Last updated on: December 4th, 2023 17:02 pm
Turnstile mechanism definition
The turnstile mechanism is an integrated device composed of various mechanical parts inside the turnstile gate (including the driving motor, reducer, gear, belt, electromagnetic device, etc), which uses the mechanical principle to control the opening and closing action of the turnstile gate blocking rod(blocking barrier).
In recent years, with the rapid development of the security market and the wide application of turnstile, tripod turnstile, swing turnstile, flap barrier turnstile, full height turnstile, sliding turnstile, and speed gate turnstile have been well known. Maybe people don’t care much about the quality of the turnstile mechanism but will pay more attention to its appearance, price, and other aspects, but it is very important for users to have a good turnstile mechanism.
Turnstile mechanism composition
The turnstile mechanism is mainly composed of electric motors, reducers, controllers, sensors, power supplies, and other components. The components of the turnstile mechanism are not only made of stainless steel but also processed using anti-oxidation processes such as nickel plating to enhance the wear resistance and corrosion resistance of the parts.
Let’s introduce these main parts separately:
1. Electric motor: the opening and closing of the turnstile machine need to be driven by an electric motor, which is one of the core components of the turnstile mechanism.
2. Reducer: The reducer converts the speed of the motor into a speed suitable for the operation of the turnstile gate through a reduction gear, which is an indispensable part of the turnstile mechanism.
3. Controller: The controller is the most core part of the turnstile gate system. It achieves the detection of the switch and traffic status of the turnstile gate by controlling the motor.
4. Sensors: Sensors can be selected and installed according to actual needs, commonly including photoelectric, infrared, and other types, used to detect traffic status.
5. Power supply: The power supply provides power for the turnstile mechanism and is a necessary part for the normal operation of the control system.
Turnstile mechanism function
The functions of the turnstile mechanism include controlling the opening and closing actions of the turnstile gate, detecting the passing status of the turnstile gate, and so on. Specifically, it mainly has the following functions:
1. Control the switch of the turnstile gate: The turnstile mechanism controls the switch of the turnstile gate by driving an electric motor to achieve passage control.
2. Detection of passage status: The sensors in the turnstile mechanism can detect the status of personnel passing through the turnstile gate, such as whether they are carrying items, to ensure passage safety.
3. Implement different levels of security control: The turnstile mechanism can achieve different levels of security control, providing varying degrees of turnstile gate security control to ensure safety.
4. Increase the service life of the turnstile machine: The turnstile mechanism has the function of shock absorption and impact reduction, which can reduce the vibration of the turnstile machine body and increase the service life.
Understanding the composition and related functions of the turnstile mechanism can help to better evaluate its value and improve the safety and reliability of the turnstile system.
Turnstile mechanism importance
As we all know, the engine is the heart of the car, then the turnstile mechanism is the heart of the turnstile gate.
The turnstile mechanism controls the turnstile gate by controlling the swing of the rod arm. It is the key for the pedestrian turnstile gate to realize the functions of fast passage and anti-tailing. So the turnstile mechanism is the core component of the turnstile gate, the basic functions of the turnstile gate are achieved through the turnstile mechanism, and its importance is self-evident.
The stability of the turnstile mechanism determines whether the turnstile gate can operate smoothly and quietly. This also directly affects the user’s experience during the use of the turnstile gate. The quality and service life of the turnstile gate is directly determined by the quality of the turnstile mechanism.
The failure of the turnstile gate is often related to the turnstile mechanism. Only the correct use method and proper maintenance are the keys to ensuring the service life of the turnstile gate. It is also a method to improve the overall service life of the turnstile gate.
Mairsturnstile has always attached great importance to the quality and craftsmanship of the turnstile mechanism. Only by grasping every accessory and component of the turnstile gate machine from the source can we truly create a turnstile gate machine that customers like and recognize. Mairsturnstile continuously improves the turnstile gate mechanism and optimizes its structure in order to better improve product quality. Our goal is to put users first and increase user satisfaction to 99%.
Where to buy turnstile mechanism?
We not only customize the turnstile mechanism but also customize the types of turnstiles. If you want to buy or customize the mechanism or customize any type of turnstiles, please choose the right one from our products page, If you have any problem, you can contact us, by directly clicking the online chat button on the lower-left corner or scan the QR code on the right to add my what’s app. Our sales experts will provide you with the perfect turnstile security solution.
The turnstile mechanism we use has a sturdy structure and durable materials. It adopts a unique hydraulic buffer device, which can effectively buffer the impact force generated by the rotating rod collision when the gate rotates, protect the internal structure of the mechanism, enhance the wear resistance of the components, and reduce operating noise.
If you need a turnstile mechanism or want to customize a turnstile mechanism, please contact us. We can customize the turnstile mechanism according to your actual needs.
Types of turnstile mechanism:
Before we start, you need to know different types of turnstile mechanisms, Maybe others will define or distinguish different types of turnstile mechanisms from other aspects. The turnstile gate mechanism provided by MairsTurnstile includes a tripod turnstile gate mechanism, swing turnstile gate mechanism, flap barrier turnstile mechanism, and full height turnstile gate mechanism. The design and improvement of the turnstile gate mechanism are very important for the improvement of the overall stability, quality, and humanized function of the pedestrian turnstile gate. Let’s briefly introduce the types of turnstile gate mechanisms:
Full height turnstile mechanism
The full height turnstile mechanism is divided into a semi-automatic full height turnstile mechanism and an automatic mute full height turnstile gate mechanism. The image on the cover of this article is a semi-automatic full height turnstile mechanism, and the image below is a fully automatic full height turnstile mechanism.
The semi-automatic full height turnstile mechanism controls the opening and closing of the machine through the solenoid valve. Through continuous improvement, the solenoid valve is equipped with a heat dissipation device, the service life is prolonged, the shock absorber is integrated, the collision sound is reduced, and the mechanical anti-reversal function is improved on the basis of the electromagnet movement, which can realize the anti reversal and buffer functions;
Its disadvantage is that there is a certain amount of noise. Because of its good performance and ultra-high cost performance, most of the full heights in the market currently use this semi-automatic full height turnstile gate mechanism.
The fully automatic mute full height turnstile gate mechanism is realized by using the motor combined with the special-shaped grooved wheel structure. When passing, it automatically rotates forward at a certain angle, and people touch the blocking rod to pass. It is a brand-new product completed by using the industrial control processing method. During the whole product operation, the start and stop are very stable, and the braking and locking can be realized quickly. It is the first mute full height turnstile gate mechanism combined with multi-channel and multi-level sensors in the industry. It has the advantages of no noise, stable operation, no mechanical wear, and long service life. Its disadvantage is that the cost is relatively high.
If you want to view the full-automatic full height turnstile gate mechanism, you can view the video at the end of the article, which contains the display of this full-automatic full height turnstile gate mechanism.
Tripod turnstile mechanism
The tripod turnstile mechanism mainly consists of a motor drive device, a deceleration device, and a sensor device.
1. Motor drive device: responsible for providing power to drive the movement of the mechanism. The motor drive device usually consists of a DC motor and corresponding circuits. DC motors transmit electrical energy and convert it into mechanical energy, allowing the tripod turnstile mechanism to rotate.
2. Reduction device: mainly composed of a reduction mechanism, its function is to reduce the speed of the motor drive device and increase the torque, so that the mechanism can operate stably.
3. Sensor device: used to sense the flow of people in and out, thereby controlling the switch action of the tripod turnstile mechanism. Sensor devices usually use infrared sensors, photoelectric sensors, etc., to detect the entry and exit of the human body and determine the status of the turnstile gate.
The working principle of the tripod turnstile mechanism:
The working principle of the tripod turnstile mechanism can be divided into three stages: detection stage, control stage, and execution stage. The following will provide a detailed introduction to the working principles of each stage:
Detection stage:
In the detection stage, the sensor device senses the human body approaching or passing through the turnstile gate and sends a signal to the control system. According to the placement and quantity of sensors, different methods of pedestrian flow detection can be achieved, such as one-way detection, two-way detection, etc.
When a human body approaches or passes through the turnstile gate, the sensor device will generate corresponding signals and transmit them to the control system for processing.
Control stage:
In the control stage, the control system makes judgments and processes based on the signals of the sensor device. According to different scene requirements, the control system can adopt various control strategies.
When the control system determines that passage is allowed, the motor drive device is controlled through a circuit to provide electrical energy to the DC motor, causing the mechanism to start rotating. The circuit in the motor drive device can be set with different parameters as needed, such as speed, rotation angle, etc.
Execution phase:
In the execution phase, the motor drive device provides force to drive the mechanism to rotate, making the rotation direction of the mechanism consistent with the direction of human passage.
According to the instructions of the control system, the mechanism will rotate forward or backward. After the human body passes through, the movement will automatically return to its initial position, ready to receive the next person’s passage.
The tripod turnstile mechanism has the following characteristics compared to other types of turnstile mechanisms:
1. Quick response: The tripod turnstile mechanism adopts a motor-driven device, which can respond in a very short time. When the human body approaches or passes through, the movement will quickly rotate to achieve rapid passage.
2. Flexible and controllable: The control system of the tripod turnstile mechanism can be flexibly adjusted according to the needs of the scene. Different control parameters can be set, such as rotation speed, angle, sensitivity, etc., to adapt to different usage scenarios.
3. High safety: The tripod turnstile mechanism has certain protective measures in design, such as a recoil seat, anti-pinch function, etc., which can ensure the safety of users. Meanwhile, the sensor device can accurately sense the human body and avoid illegal passage. At the same time, the tripod turnstile mechanism can also be used in conjunction with other access control systems, such as card swiping systems, fingerprint recognition systems, etc., to improve the security and convenience of the access control system.
4. Simple structure, easy to use: It can effectively control personnel entry and exit, prevent unauthorized personnel from entering, and ensure the safety of the site.
5. Low noise: The tripod turnstile mechanism adopts a high-quality deceleration device and motor drive device, making the operating noise of the mechanism low and not causing excessive interference to the surrounding environment and users.
The tripod turnstile mechanism is divided into a semi-automatic tripod turnstile gate mechanism and an automatic tripod turnstile gate mechanism.
Flap barrier mechanism
The operation quality of the flap barrier mechanism determines the quality of the flap barrier turnstile gate. At present, the relatively high-end high-precision casting turnstile mechanism adopts the latest arms control technology based on the mainstream high-end sliding turnstile, which has the characteristics of no noise, stability, no mechanical wear, and long service life. Of course, the correct use method and proper maintenance are also the keys to the service life of the flap barrier turnstile mechanism.
The flap barrier mechanism can be divided into a full-height mechanism and a half-height mechanism. The full height mechanism is better than the half-height mechanism. The superiority of the mechanism largely determines the superiority of the same type of pedestrian turnstile gate. The stability and use effect of the full height mechanism is very perfect. The flap barrier turnstile produced by Mairs adopts a full-height mechanism, just to bring you the best traffic experience.
Swing turnstile mechanism
The swing turnstile mechanism can be roughly divided into a brushless motor and a servo motor. The difference between a servo motor and a brushless motor lies in whether there is a commonly used brush commutator. The servo DC motor converts the current direction by touching the graphite brush with the annular commutator installed on the rotor. Swing turnstile using a brushless motor, the rotor position is transmitted to the control circuit through the Hall sensor, so that the accurate time of motor phase commutation can be obtained.
When the swing turnstile gate is equipped with a brushless motor, three Hall-effect positioning sensors can work at the same time. Because there is no brush, the brushless motor runs more stably, has no noise, the body will not shake, the friction between the swing arms and the chassis body is reduced, and has a longer service life than the brush motor.
Turnstile mechanism process
A key process in the production of turnstile machines is the production and installation of turnstile mechanisms.
The turnstile mechanism is the heart of the turnstile gate machine and the fundamental realization of its various functions. To achieve these basic functions, the manufacturing accuracy of the turnstile mechanism is guaranteed.
The components of the turnstile mechanism are generally processed using CNC machine tools, and precision grade machining accuracy is used to ensure the processing accuracy of the turnstile mechanism components, thereby ensuring the performance, stability, and long-term service life of the mechanism.
Turnstile mechanism through different process treatments, the performance of the mechanism is also different.
By frequency quenching, the core gear has high wear resistance and high toughness on the surface, and the spindle has HB220-280°tempering treatment, increasing wear resistance and impact resistance, and has strong mechanical properties.
The external structure of the core adopts electroplating and baking paint to enhance the corrosion resistance of the surface.
Mairsturnstile thinks the process of the turnstile gate mechanism is very important, so the turnstile barrier gate has the characteristics of stable use, low noise, long service time and so on which is deeply loved and trusted by customers.
Turnstile mechanism service life
According to different types of turnstile mechanisms and different craftsmanship, production processes, raw materials, and structures, the service life of the turnstile mechanism is different. Mairs customized and developed turnstile mechanisms have the characteristics of fine processing, simple and reliable structure, complete functions, stable and silent operation, and high grade. Our turnstile mechanism has been tested and has a working life of over 10 million consecutive opening and closing cycles.
The key factors affecting the performance and service life of the turnstile mechanism include the processing technology and material of mechanical parts, as well as the most important driving motor and the supporting reducer.
The drive motor usually adopts a DC brush motor or DC brushless motor. DC brush motor has low cost and simple control technology, so it is widely used by many pedestrian turnstile gate manufacturers. However, the carbon brush is a vulnerable and consumable part, which needs regular maintenance and replacement. A brushless DC motor has no carbon brush, so there is no such loss and its service life is long.
If you want to improve the performance and service life of the turnstile mechanism, it is a good choice to use the brushless DC motor with better performance and longer service life, especially the brushless DC motor of the first-line brand in Europe. Its reliability and durability can not be achieved by ordinary motors, but the cost is relatively high and the control technology is very complex.
Working principle:
what’s the working principle and function of the turnstile mechanism, Mairs will show you a brief introduction.
It can be said that the functions of the turnstile gate are all achieved through the turnstile mechanism.
The turnstile gate machine swings through blocking rods to form the access entrance gate. The turnstile gate is retracted to allow pedestrians to pass. Whether it is opened or retracted, there will be two fixed points, namely, the upper and lower fixed points. When the turnstile gate reaches the upper fixed point, the gate cannot be opened by horizontal external force and people are not easy to cross. For safety reasons, the turnstile mechanism has a mechanical anti-pinch, No matter whether it is opened or closed, when the turnstile gate encounters an external force effect (less than 3N. M), the mechanism will slip in place, which has a safety maintenance function for repairmen and pedestrians.
Generally speaking, the working principle of the turnstile mechanism is that when the turnstile gate controller receives the traffic signal, it will give the turnstile mechanism the signal command to open the gate. The turnstile mechanism completes the control of the blocking rod arm, so as to realize the personnel traffic management.
Security turnstiles are used more and more in real life. As a professional security turnstiles gate manufacturer, Mairsturnstile has continuously improved the turnstile mechanism, through the continuous improvement of the turnstile mechanism, improving stability and increasing safety as the premise, I have experienced the initial development of the first generation of turnstile mechanism, improved the second generation of turnstile mechanism, and then developed the optimized structure of the third generation turnstile mechanism to improve the quality.
Turnstile mechanism structure
The external structure of the turnstile mechanism, the appearance of the mechanism at first sight. The external structure of the turnstile mechanism needs to enhance the corrosion resistance and safety of the surface due to its unique properties. Two conventional methods are paint baking and electroplating. The exposed transmission part of the gate is added to the shield, which makes it look compact and reasonable.
The internal structure of the turnstile mechanism is the key technology that dominates the quality of the whole security turnstile gate. Key technologies determine success or failure. There are many kinds of structure, the most common is belt drive and gear drive. Belt transmission, as the name implies, is realized by belt transmission. Belt transmission needs to be paid attention to. When the belt tension is tight, the slip coefficient is small, the transmission efficiency is high, and the speed of opening and closing the door will be very slow.
Under the long time use of the machine core, the belt adjustment will slowly become loose, the tension is small, so the slip coefficient will increase, and through the heat expansion and contraction of the belt, the speed of the skid is not easy to control, so it is easy to hurt people. Gear drive As the name implies, it is driven by a tooth sucker, the tooth surface has high wear resistance and impact resistance, and mechanical properties are enhanced.
After heat treatment, the gear HRC55-60°high frequency quenching, and gear wear resistance are higher. When gear transmission, there will be some noise, usually reduce noise, just use rolling bearings in the rotating eccentric wheel to improve the axial runout. Usually, the manufacturing cost of gear transmission is high and the stability is good.
At present, it is the choice of some high-end turnstile gate manufacturers. Generally speaking, the technology determines the success or failure, and the quality of the mechanism directly determines the stability and safety of the turnstile gate, Mairsturnstile focuses on all kinds of face recognition turnstile gates, ticket integrated turnstile gates, station special turnstile gates, scenic area special turnstile gate research and development, and production.
Assembly quantity
The turnstile gate can be equipped with one or two mechanisms, and the number of mechanisms determines the function and location of the turnstile gate.
If the turnstile gate is equipped with one mechanism, we call it a single-core turnstile. If the turnstile gate is equipped with two mechanisms, we call it a dual-core turnstile.
What is the difference between a single-core turnstile and a dual-core turnstile? The difference between a single-core turnstile and a double-core turnstile is often mentioned by users. Today, let’s briefly explain:
Single-core turnstiles and double-core turnstiles are distinguished from the point of view that the turnstile gate has a number of mechanisms. A single-core turnstile has one turnstile of equipment with one mechanism that controls one-way traffic, and a double-core turnstile has two mechanisms to control two-way traffic and shares one turnstile gate equipment.
The obvious difference is that the single-core turnstile has only one blocking rod, and the double-core turnstile has two blocking rods. Two single-core turnstiles form one turnstile gate passage or channel, and one double-core turnstile and two single-core turnstiles form two turnstile gate passages or channels. Two dual-core and two single-core turnstile gates form three turnstile gate channels, and so on;
If an installation place is designed in this way, the budget cost can be saved. However, if it is installed at two entrances and exits in the same office location and two passages or channels are required, four single-core turnstile machines have to be used, and two are combined into one turnstile passage or channel.
In other words, the single-core turnstile gate is used for single-channel and multi-channel, and the double-core turnstile gate is used for multi-channel. This has nothing to do with one-way traffic and two-way traffic because the traffic direction is completed by setting, not by several turnstile gates.
Turnstile mechanism maintenance
The main performance of the turnstile gate mechanism is reflected in safety, long life, stability, supporting high-speed opening and high-speed stopping, and easy maintenance. Therefore, we must pay attention to the maintenance of the turnstile gate mechanism and improve the service life of the product.
1. Regular maintenance of turnstile mechanism method: cut off the power supply, open the swing barrier gate machine cover, clean the surface dust, clean the transmission part first, and then add butter, swing barrier gate entrance guard gear, and wheel slot should also be properly coated with butter.
2. Regular check items: check each fastener, and connecting rod for loose condition, and tighten it.
3. Swing barrier gate breakable parts maintenance: check the wear of the breakable parts, the swing barrier gate positioning arm and positioning disc to have more than 3 mm clearance timely replacement, normal clearance (1-1.5 mm), in the solenoid valve spool appropriate butter, so that solenoid valve in the left and right movement to reduce resistance, lubrication, pay attention not to add too much, to moderate.
Pay attention to the swing barrier gate limit switch and limit plate do not adjust casually, in case too far or too close to cause an error.
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