Scenic area tripod turnstile reset mechanism capable of preventing clamping stagnation
By using a pawl and a double torsion spring coaxially nested connection and angular displacement sensor monitoring, combined with electromagnet linkage and electric push rod adjustment, the response lag and jamming problems of the tripod turnstile reset mechanism in scenic areas have been solved, achieving rapid and accurate reset and improving operational stability and reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- MANZHOULI PORT TOURISM CO LTD
- Filing Date
- 2026-02-10
- Publication Date
- 2026-04-21
AI Technical Summary
The existing tripod turnstile reset mechanism in scenic areas suffers from delayed reset response and difficulty in monitoring the pawl movement when faced with high-frequency traffic, leading to mechanical jamming and component damage.
The system employs a pawl and a plate body connected by a double torsion spring in a coaxial nested configuration. An angular displacement sensor monitors the pawl's status, and an electromagnet and an iron ring are linked. An electric push rod adjusts the reset force, and a controller coordinates the actions. A limit switch detects the position of the ratchet disc, enabling the pawl to reset quickly and accurately.
It improves the operational stability and reliability of the tripod turnstile, avoids lag in reset response and mechanical jamming, and adapts to the rapid passage requirements of high-traffic scenarios.
Smart Images
Figure CN121897252A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of tripod turnstile reset technology, specifically to a tripod turnstile reset mechanism for scenic areas that prevents jamming. Background Technology
[0002] The tripod turnstile reset mechanism is a core component of the scenic area access control and security system. It is mainly used to control the orderly passage of tourists. It achieves passage and locking by driving the rollers to rotate and reset. It is widely used in the entrance and exit management of various scenic spots, amusement parks and other densely populated places.
[0003] Existing three-roller turnstile reset mechanisms in scenic areas mostly employ a single reset spring combined with a ratchet pawl. While this design achieves basic reset functionality, it has significant limitations: the fixed torque of the single reset spring prevents dynamic adjustment of the force based on the flow of passengers, often resulting in a delayed reset response when faced with rapid and continuous passage; furthermore, the lack of effective monitoring of the ratchet pawl's movement makes it difficult to detect abnormal deflection in time, leading to the roller failing to return to its original position promptly; additionally, insufficient monitoring of the ratchet disc's position results in a lack of precise coordination in the reset action, making it easy for subsequent passengers to force their way through the roller, ultimately causing mechanical jamming or even component damage. Therefore, a jamming-resistant three-roller turnstile reset mechanism for scenic areas is proposed. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this invention provides a tripod turnstile reset mechanism for scenic areas that prevents jamming, thereby solving the problems mentioned in the background section.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a reset mechanism for a scenic area tripod turnstile that prevents jamming, comprising:
[0006] The plate body has a ratchet disk at its front end, and the ratchet disk is rotatably connected to the plate body. Both sides of the ratchet disc are provided with pawls, and the pawls are coaxially nested with the plate body through double torsion springs. An angular displacement sensor is provided on the outside of the axis of the ratchet disc, and the angular displacement sensor is fixed to the plate body through a frame. A side shell is provided on the side of the pawl that is away from the ratchet disc. A pull rod is provided through the inside of the side shell. The pull rod is connected to the pawl by a connecting rod, and the two ends of the connecting rod are rotatably connected to the pull rod and the pawl, respectively. A first electromagnet is provided inside the side shell at one end away from the pawl. A first iron ring is welded and fixed to the outside of the pull rod on the side inside the side shell away from the first electromagnet. A push ring, a first return spring, and a retaining ring are sequentially provided on the outside of the pull rod from the side shell toward the connecting rod. The retaining ring is welded and fixed to the pull rod, and the retaining ring is slidably connected to the pull rod. An electric push rod is fixed to the outer side of the side shell via a frame, and the telescopic end of the electric push rod is fixed to the push ring by bolts. A controller is provided on one side of the front end of the plate. A limit switch is provided on the front end of the plate near the ratchet disc; It can provide basic reset force for the pawl through double torsion springs, monitor the pawl's movement status in real time using an angular displacement sensor, and achieve flexible linkage of the pawl by means of the cooperation of the first electromagnet and the first iron ring. The reset force can be increased as needed by pushing the push ring to squeeze the first reset spring through the electric push rod. The controller coordinates the actions of each component, and the limit switch accurately detects the position of the ratchet disk, thereby achieving fast and accurate reset of the pawl. This effectively avoids mechanical jamming caused by lag in reset response or insufficient torque, and improves the stability and reliability of the tripod turnstile operation. The plate serves as the overall installation foundation, providing stable support for all components and preventing jamming caused by loose installation. The ratchet disc is rotatably connected to the plate, and with the coaxial nested structure of the pawls on both sides and double torsion springs, it can accurately achieve unidirectional rotation limit of the ratchet disc. The double torsion springs ensure that the pawls are always tightly fitted with the ratchet disc, reducing jamming caused by gaps in the fit. The angular displacement sensor is fixed to the plate through the frame, which can detect the rotation angle of the ratchet disc in real time and provide feedback, making it easy to detect abnormal rotation in time. The side shell provides protection for internal components such as pull rods and connecting rods. The connecting rods connect the pull rods and pawls to achieve smooth power transmission. The first electromagnet, the first iron ring, the pull rod, and various springs, retaining rings, push rings, and other components work together to quickly drive the pawl movement. The electric push rod assists in adjustment, further improving the flexibility of movement. The controller and limit switches work together to achieve precise control and position detection of the mechanism's movement, avoiding jamming risks from the overall structure and adapting to the high-frequency use needs of scenic spots with high traffic.
[0007] Preferably, a top plate is provided on one side of the front end of the ratchet disc, and the top plate is fixed to the ratchet disc by bolts; three inclined grooves evenly distributed in a ring are opened on the front end face of the top plate, and the inclined grooves are integrally formed with the top plate; a side frame is provided on one side of the outer side of the top plate, and the side frame is fixedly connected to the plate body by bolts; a second electromagnet, a telescopic rod and a disc body are sequentially arranged inside the side frame near the top plate, the second electromagnet is fixed to the side frame by bolts, and the two ends of the telescopic rod are respectively fixed to the disc body and the second electromagnet by bolts; The top plate is bolted to the ratchet disc, ensuring synchronous rotation and preventing transmission jamming caused by relative slippage. Three evenly distributed annular grooves on the top plate are integrally formed with the plate, resulting in a stable structure and uniform force distribution. This allows for smooth rotation and reset of the ratchet disc in conjunction with subsequent components. The side frame is bolted to the plate, providing a reliable mounting platform for components such as the second electromagnet and telescopic rod, ensuring component installation accuracy. The second electromagnet is fixed inside the side frame and can precisely attract the disc through magnetic force, thereby causing the ball bearings to separate from the grooves and unlocking the ratchet disc. Compared to traditional mechanical unlocking, magnetic drive offers faster response and smoother unlocking, effectively avoiding jamming issues during mechanical unlocking. The telescopic rod connects the second electromagnet to the disc, ensuring precise disc movement and preventing jamming caused by offset, thus improving the overall unlocking and reset efficiency of the mechanism.
[0008] Preferably, a ball bearing is provided on the outer side of the disc body near the top plate, and the ball bearing is rotatably connected to the disc body, and the ball bearing is adapted to the inclined groove; The ball bearings are rotatably connected to the disc, allowing for flexible rolling. Compared to traditional rigid contact transmission, the rolling friction is significantly reduced, effectively minimizing wear during transmission and preventing jamming caused by debris accumulation. The ball bearings are precisely fitted into the inclined grooves on the top disc. When the ball bearings are rolled under force, the guide effect of the inclined grooves smoothly drives the top disc to rotate, which in turn drives the ratchet disc to rotate synchronously, enabling the tripod turnstile to normally release and reset. At the same time, the rolling characteristics of the ball bearings buffer the impact force during transmission, preventing component misalignment and jamming caused by rigid impacts. This ensures that the top disc and ratchet disc rotate synchronously and smoothly, further improving the anti-jamming performance of the reset mechanism. This makes it suitable for high-frequency, high-load use scenarios in scenic areas, extending the service life of the mechanism.
[0009] Preferably, a second return spring is provided on the outside of the telescopic rod, and the two ends of the second return spring are welded and fixed to the second electromagnet and the disc body, respectively; The second return spring is sleeved on the outside of the telescopic rod, with its two ends welded and fixed to the second electromagnet and the disc body respectively. The structure is firmly connected and not easy to fall off, providing a stable return force over a long period of time. When the second electromagnet loses power and loses its magnetic force, the second return spring can quickly rebound, pushing the disc body to drive the ball to return to its original position and accurately embed into the inclined groove of the top plate. This ensures that the transmission structure quickly returns to its initial state and avoids problems such as jamming and transmission failure caused by ball return offset. The telescopic rod can precisely limit the extension and retraction stroke of the second return spring, preventing the spring from twisting or offset during extension and retraction, ensuring that the spring force is always transmitted along the axial direction, further improving the return accuracy of the disc body and the ball, reducing the risk of jamming caused by spring deformation, and ensuring the long-term stable operation of the mechanism.
[0010] Preferably, the output terminal of the controller is electrically connected to the first electromagnet, the second electromagnet, and the electric push rod, respectively; As the core control component, the controller outputs precise control signals to synchronously coordinate the movements of the first electromagnet, the second electromagnet, and the electric push rod, ensuring smooth connection between the actions of each component and avoiding collisions and jamming caused by asynchronous actions. When the mechanism needs to unlock, the controller can energize the first electromagnet to generate magnetic force, attracting the first iron ring and driving the pull rod to move. At the same time, it controls the extension and retraction of the electric push rod to assist in adjustment, and controls the second electromagnet to energize the ball to separate from the inclined groove, making the unlocking process precise and efficient. When reset is required, the controller can de-energize each component, working with the reset spring to achieve rapid reset and avoid jamming caused by reset delay. In addition, automated control can reduce human operation errors, adapt to the rapid release and reset requirements in high-traffic scenic areas, and facilitate timely adjustment of the action parameters of each component to further optimize the anti-jamming performance.
[0011] Preferably, the input terminals of the controller are electrically connected to the angular displacement sensor and the limit switch, respectively; Through electrical connections between the controller, angular displacement sensor, and limit switch, the real-time monitoring and feedback of the reset mechanism's operating status is achieved. This allows for timely detection of potential jamming issues and triggers corresponding actions, significantly improving the mechanism's anti-jamming reliability. The angular displacement sensor, fixed externally to the ratchet wheel's shaft, accurately detects the ratchet's rotation angle and feeds the angle data back to the controller in real time. By analyzing the data, the controller can determine whether the ratchet's rotation is normal. If abnormal rotation angles or jamming occur, an alarm can be triggered promptly, and the actions of relevant components can be adjusted to prevent further jamming. The limit switch, located at the front end of the plate near the ratchet wheel, accurately detects the ratchet wheel's rotation position. When the ratchet wheel rotates to its limit position or fails to reset properly, the limit switch quickly feeds a signal back to the controller. The controller immediately stops the actions of each component or performs a reset adjustment, preventing excessive ratchet wheel rotation that could cause component jamming or damage, and also preventing subsequent jamming problems caused by incomplete reset. Through real-time monitoring and feedback, potential jamming issues can be detected and addressed early, preventing minor faults from escalating into serious jamming and ensuring the long-term stable operation of the mechanism.
[0012] Preferably, the limit switch is fixedly connected to the plate body by bolts, and the controller is fixedly connected to the plate body by bolts; The bolted connection method ensures a robust structure and convenient disassembly, guaranteeing the stable fixation of the limit switch and controller to the plate. This prevents components from loosening or shifting due to crowds in the scenic area or vibrations caused by the high-frequency operation of the mechanism, thus avoiding problems such as decreased detection accuracy and control failure leading to jamming. The limit switch accurately detects the rotation position of the ratchet wheel and feeds the position signal back to the controller in real time, providing the controller with a precise position reference. This ensures that the controller can accurately control the actions of components such as the first electromagnet and electric push rod based on the actual position of the ratchet wheel, avoiding component misalignment or jamming caused by position detection deviations. Once the controller is stably fixed, it ensures stable transmission of control signals, preventing signal interruption and delay due to loose components. This further improves the coordination and smoothness of the mechanism's actions, reduces the risk of jamming, and facilitates future maintenance and repair of the limit switch and controller, ensuring long-term stable operation of the mechanism.
[0013] Compared with the prior art, the present invention provides a reset mechanism for a scenic area tripod turnstile that prevents jamming, and has the following beneficial effects: This invention utilizes a ratchet pawl and a plate body connected coaxially with double torsion springs. An angular displacement sensor detects the ratchet pawl's rotation. A first electromagnet attracts a first iron ring, which drives a pull rod and connecting rod to link the ratchet pawl. An electric push rod then pushes a push ring to compress a first reset spring, increasing the reset force. A controller coordinates the actions of each component and, in conjunction with a limit switch, detects the position of the ratchet disc. This achieves rapid and precise ratchet pawl reset, offering advantages such as timely reset response and adjustable force. It solves the problem of existing scenic area three-roller turnstiles where delayed reset spring response or insufficient torque leads to the rollers failing to return to their original position in time, making them susceptible to mechanical jamming or even damage from subsequent tourists forcibly pushing them through. Attached Figure Description
[0014] Figure 1 This is a perspective view of the overall structure of the present invention; Figure 2 This is a perspective view of the top plate and side frame structure of the present invention; Figure 3 This is a cross-sectional view of the side shell structure of the present invention.
[0015] In the diagram: 1. Plate; 2. Ratchet; 3. Limit switch; 4. Pawl; 5. Angular displacement sensor; 6. Connecting rod; 7. Side shell; 8. Pull rod; 9. First electromagnet; 10. First iron ring; 11. Retaining ring; 12. First return spring; 13. Electric push rod; 14. Push ring; 15. Side frame; 16. Second electromagnet; 17. Telescopic rod; 18. Plate; 19. Ball bearing; 20. Second return spring; 21. Top plate; 22. Inclined groove; 23. Controller. Detailed Implementation
[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0017] This invention provides a technical solution: a reset mechanism for a scenic area tripod turnstile that prevents jamming. Please refer to [link / reference]. Figure 1 , Figure 2 and Figure 3 ,include: The plate body 1 has a ratchet disk 2 at its front end, and the ratchet disk 2 is rotatably connected to the plate body 1. Both sides of the ratchet disk 2 are provided with pawls 4, and the pawls 4 are coaxially nested with the plate 1 through double torsion springs. An angular displacement sensor 5 is provided on the outside of the shaft of the ratchet disk 2, and the angular displacement sensor 5 is fixed to the plate 1 through a frame. A side shell 7 is provided on the side of the pawl 4 away from the ratchet disc 2. A pull rod 8 is provided through the inside of the side shell 7. The pull rod 8 is connected to the pawl 4 by a connecting rod 6, and the two ends of the connecting rod 6 are rotatably connected to the pull rod 8 and the pawl 4 respectively. A first electromagnet 9 is provided inside the side shell 7 at one end away from the pawl 4. A first iron ring 10 is welded and fixed to the outside of the pull rod 8 on the side inside the side shell 7 away from the first electromagnet 9. A push ring 14, a first return spring 12 and a retaining ring 11 are arranged sequentially on the outside of the pull rod 8 from the side shell 7 toward the connecting rod 6. The retaining ring 11 is welded and fixed to the pull rod 8 and is slidably connected to the pull rod 8. An electric push rod 13 is fixed to the outer side of the side shell 7 via a frame, and the telescopic end of the electric push rod 13 is fixed to the push ring 14 by bolts. A controller 23 is provided on one side of the front end of the plate 1; A limit switch 3 is provided on the front end of the plate 1 near the ratchet disk 2; The plate 1 serves as the overall installation base, providing stable support for all components and preventing jamming caused by loose installation. The ratchet disc 2 is rotatably connected to the plate 1, and with the pawls 4 on both sides and the coaxial nested structure of double torsion springs, it can precisely achieve unidirectional rotation limit of the ratchet disc 2. The double torsion springs ensure that the pawls 4 are always tightly fitted with the ratchet disc 2, reducing jamming caused by gaps in the fit. The angular displacement sensor 5 is fixed to the plate 1 via the frame, which can detect and provide feedback on the rotation angle of the ratchet disc 2 in real time, facilitating timely detection of rotational abnormalities. The side shell 7 is... Internal components such as the pull rod 8 and connecting rod 6 provide protection. The connecting rod 6 connects the pull rod 8 and the pawl 4 to achieve smooth power transmission. The first electromagnet 9, the first iron ring 10, the pull rod 8, and various springs, retaining rings 11, push rings 14, etc. work together to quickly drive the pawl 4 to move. The electric push rod 13 assists in adjustment, further improving the flexibility of movement. The controller 23 works in conjunction with the limit switch 3 to achieve precise control and position detection of the mechanism's movement, avoiding the risk of jamming from the overall structure, and adapting to the high-frequency use needs of scenic spots with high traffic.
[0018] Please see Figure 1 and Figure 2 A top plate 21 is provided on one side of the front end of the ratchet disc 2, and the top plate 21 is fixed to the ratchet disc 2 by bolts; three inclined grooves 22 evenly distributed in a ring are opened on the front end face of the top plate 21, and the inclined grooves 22 are integrally formed with the top plate 21; a side frame 15 is provided on one side of the outer side of the top plate 21, and the side frame 15 is fixed to the plate body 1 by bolts; a second electromagnet 16, a telescopic rod 17 and a disc body 18 are arranged in sequence on the side of the side frame 15 near the top plate 21; the second electromagnet 16 is fixed to the side frame 15 by bolts; the two ends of the telescopic rod 17 are respectively fixed to the disc body 18 and the second electromagnet 16 by bolts; the second electromagnet 16 is used to magnetically attract the disc body 18 and thereby drive the ball 19 to separate from the inclined groove 22. The top plate 21 is fixed to the ratchet disc 2 with bolts to ensure synchronous rotation and avoid transmission jamming caused by relative sliding. Three evenly distributed annular grooves 22 on the top plate 21 are integrally formed with the top plate 21, resulting in a stable structure and uniform force distribution. This allows for smooth rotation and reset of the ratchet disc 2 in conjunction with subsequent components. The side frame 15 is fixed to the plate 1 with bolts, providing a reliable mounting carrier for components such as the second electromagnet 16 and the telescopic rod 17, ensuring component installation accuracy. The second electromagnet 16 is fixed inside the side frame 15 and can precisely attract the disc 18 through magnetic force, thereby causing the ball bearing 19 to separate from the groove 22 and unlock the ratchet disc 2. Compared with traditional mechanical unlocking, magnetic drive has a faster response and smoother unlocking, effectively avoiding jamming problems during mechanical unlocking. The telescopic rod 17 connects the second electromagnet 16 and the disc 18, ensuring precise movement of the disc 18 and avoiding jamming caused by offset, thus improving the overall unlocking and reset efficiency of the mechanism.
[0019] Please see Figure 1 and Figure 2 A ball bearing 19 is provided on the outer side of the disc body 18 near the top plate 21, and the ball bearing 19 is rotatably connected to the disc body 18. The ball bearing 19 is adapted to the inclined groove 22. The ball bearing 19 and the inclined groove 22 cooperate to drive the top plate 21 to rotate. The ball bearing 19 is rotatably connected to the disc 18, allowing for flexible rolling. Compared to traditional rigid contact transmission, the rolling friction significantly reduces frictional force, effectively minimizing wear during transmission and preventing jamming caused by debris accumulation. The ball bearing 19 is compatible with the inclined groove 22 on the top plate 21, precisely embedding into the groove. When the ball bearing 19 rolls under force, it smoothly drives the top plate 21 to rotate through the guiding effect of the inclined groove 22, thereby synchronously rotating the ratchet disc 2 and enabling normal release and reset of the tripod turnstile. Simultaneously, the rolling characteristics of the ball bearing 19 buffer the impact force during transmission, preventing component misalignment and jamming caused by rigid impact, ensuring synchronous and smooth rotation of the top plate 21 and ratchet disc 2, further enhancing the anti-jamming performance of the reset mechanism, adapting to high-frequency and high-load usage scenarios in scenic areas, and extending the service life of the mechanism.
[0020] Please see Figure 1 and Figure 2 The telescopic rod 17 is provided with a second return spring 20. The two ends of the second return spring 20 are welded and fixed to the second electromagnet 16 and the disc body 18 respectively. The telescopic rod 17 makes the extension and retraction stroke of the second return spring 20 stable. The second return spring 20 is sleeved on the outside of the telescopic rod 17, and its two ends are welded and fixed to the second electromagnet 16 and the disc 18 respectively. The structure is firmly connected and not easy to fall off, and can provide a stable return force for a long time. When the second electromagnet 16 is de-energized and loses its magnetic force, the second return spring 20 can quickly rebound, pushing the disc 18 to drive the ball 19 to reset and accurately embed into the inclined groove 22 of the top plate 21. This ensures that the transmission structure quickly returns to its initial state and avoids problems such as jamming and transmission failure caused by the ball 19 resetting off. The telescopic rod 17 can accurately limit the extension and retraction stroke of the second return spring 20, preventing the spring from twisting or shifting during the extension and retraction process. This ensures that the spring force is always transmitted along the axial direction, further improving the reset accuracy of the disc 18 and the ball 19, reducing the risk of jamming caused by spring deformation, and ensuring the long-term stable operation of the mechanism.
[0021] Please see Figure 1 The output terminals of the controller 23 are electrically connected to the first electromagnet 9, the second electromagnet 16 and the electric push rod 13, respectively. As the core control component, the controller 23 can output precise control signals to synchronously coordinate the actions of the first electromagnet 9, the second electromagnet 16, and the electric push rod 13, ensuring smooth connection of the actions of each component and avoiding collisions and jamming caused by asynchronous actions. When the mechanism needs to be unlocked, the controller 23 can control the first electromagnet 9 to generate magnetic force, attracting the first iron ring 10 to drive the pull rod 8, while controlling the extension and retraction of the electric push rod 13 to assist in adjustment, and controlling the second electromagnet 16 to separate the ball 19 from the inclined groove 22, making the unlocking process precise and efficient. When reset is required, the controller 23 can control the power off of each component, and work with the reset spring to achieve rapid reset, avoiding jamming caused by reset delay. In addition, automated control can reduce human operation errors, adapt to the rapid release and reset requirements in high-traffic scenic areas, and facilitate timely adjustment of the action parameters of each component to further optimize the anti-jamming performance.
[0022] Please see Figure 1 The input terminals of the controller 23 are electrically connected to the angular displacement sensor 5 and the limit switch 3 respectively. The angular displacement sensor 5 is used to detect the rotation angle of the pawl 4. Through the electrical connection between the controller 23 and the angular displacement sensor 5 and the limit switch 3, the real-time monitoring and feedback of the operating status of the reset mechanism can be achieved. This allows for the timely detection of potential jamming issues and the triggering of corresponding actions, significantly improving the anti-jamming reliability of the mechanism. The angular displacement sensor 5 is fixed to the outside of the shaft of the ratchet disc 2 and can accurately detect the rotation angle of the pawl 4. It feeds the angle data back to the controller 23 in real time. By analyzing the data, the controller 23 can determine whether the rotation of the pawl 4 is normal. If abnormal rotation angles or jamming occur, it can promptly trigger an alarm and adjust the actions of relevant components to prevent the jamming from worsening. Limit switch 3 is located on the front end of plate 1 near ratchet 2. It can accurately detect the rotation position of ratchet 2. When ratchet 2 rotates to the limit position or fails to reset, limit switch 3 can quickly feed the signal back to controller 23. Controller 23 immediately controls each component to stop or reset and adjust, avoiding component jamming or damage caused by excessive rotation of ratchet 2, and preventing subsequent jamming problems caused by incomplete reset. Through real-time monitoring and feedback, jamming hazards can be detected and dealt with early, preventing small faults from escalating into serious jamming and ensuring long-term stable operation of the mechanism.
[0023] Please see Figure 1 Limit switch 3 is fixedly connected to plate 1 by bolts, and controller 23 is fixedly connected to plate 1 by bolts. Limit switch 3 is used to detect the rotation position of ratchet disk 2 and thus feed back to controller 23. The bolt-fixed connection method is structurally robust and easy to disassemble, ensuring that the limit switch 3 and controller 23 are stably fixed on the plate 1. This prevents components from loosening or shifting due to crowds in the scenic area or vibrations caused by the high-frequency operation of the mechanism, thus avoiding problems such as decreased detection accuracy and control failure leading to jamming. The limit switch 3 accurately detects the rotation position of the ratchet 2 and feeds the position signal back to the controller 23 in real time, providing the controller 23 with a precise position reference. This ensures that the controller 23 can accurately control the movement of components such as the first electromagnet 9 and the electric push rod 13 based on the actual position of the ratchet 2, avoiding component misalignment or jamming caused by position detection deviation. After the controller 23 is stably fixed, it ensures stable transmission of control signals, avoiding signal interruption or delay caused by loose components. This further improves the coordination and smoothness of the mechanism's movements, reduces the risk of jamming, and facilitates the later inspection and maintenance of the limit switch 3 and controller 23, ensuring the long-term stable operation of the mechanism.
[0024] In this scheme: the controller 23 receives signals from the angular displacement sensor 5 (detecting the rotation angle of the pawl 4) and the limit switch 3 (detecting the rotation position of the ratchet disk 2). During normal passage, the first electromagnet 9 and the second electromagnet 16 are activated. The first electromagnet 9 moves the pull rod 8 by attracting the first iron ring 10, and the pawl 4 disengages from the ratchet disk 2 via the connecting rod 6. The second electromagnet 16 attracts the disk body 18, causing the ball bearing 19 to disengage from the inclined groove 22 of the top plate 21. After passage, the electromagnets are de-energized, and the first return spring 12 pushes the pull rod 8 to reset via the retaining ring 11. The connecting rod 6 then moves the pawl 4 (double torsion spring) to reset. (Auxiliary) Engages the ratchet disc 2, the second return spring 20 pushes the disc body 18 to make the ball 19 fit against the top plate 21. After the ball 19 enters the inclined groove 22, it is converted into the rotational return force of the ratchet disc 2. The bottom (deepest part) of the inclined groove 22 limits the ball 19. When the angular displacement sensor 5 detects that the deflection angle of the pawl 4 is abnormal, the controller 23 controls the electric push rod 13 to extend, push the push ring 14 to squeeze the first return spring 12, increase the return force to help the pawl 4 return and avoid jamming. When passing again, the electromagnet is activated, the ball 19 disengages from the groove and the pawl 4 disengages from the ratchet disc 2, completing the cycle.
[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0026] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A reset mechanism for a scenic area tripod turnstile designed to prevent jamming, characterized in that, include: The plate (1) has a ratchet disk (2) at its front end, and the ratchet disk (2) is rotatably connected to the plate (1). Both sides of the ratchet disc (2) are provided with pawls (4), and the pawls (4) and the plate (1) are coaxially nested and connected by double torsion springs. An angular displacement sensor (5) is provided outside the shaft of the ratchet disc (2), and the angular displacement sensor (5) and the plate (1) are fixed by a frame. A side shell (7) is provided on the side of the pawl (4) away from the ratchet disc (2). A pull rod (8) is provided through the inside of the side shell (7). The pull rod (8) is connected to the pawl (4) by a connecting rod (6), and the two ends of the connecting rod (6) are rotatably connected to the pull rod (8) and the pawl (4) respectively. The side shell (7) is provided with a first electromagnet (9) at the end opposite to the pawl (4). The pull rod (8) is provided with a first iron ring (10) welded and fixed on the side of the side shell (7) opposite to the first electromagnet (9). The pull rod (8) is provided with a push ring (14), a first return spring (12) and a retaining ring (11) in sequence on the side of the side shell (7) facing the connecting rod (6). The retaining ring (11) is welded and fixed to the pull rod (8). The retaining ring (11) is slidably connected to the pull rod (8). An electric push rod (13) is fixed to the outer side of the side shell (7) by a frame, and the telescopic end of the electric push rod (13) is fixed to the push ring (14) by bolts; A controller (23) is provided on one side of the front end of the plate (1); A limit switch (3) is provided on the front end of the plate (1) near the ratchet disk (2).
2. The anti-jamming tripod turnstile reset mechanism for scenic areas according to claim 1, characterized in that: A top plate (21) is provided on one side of the front end of the ratchet disc (2), and the top plate (21) is fixed to the ratchet disc (2) by bolts.
3. The anti-jamming tripod turnstile reset mechanism for scenic areas according to claim 2, characterized in that: The top plate (21) has three inclined grooves (22) evenly distributed along the ring at the front end face, and the inclined grooves (22) are integrally formed with the top plate (21).
4. The anti-jamming tripod turnstile reset mechanism for scenic areas according to claim 3, characterized in that: A side frame (15) is provided on the outer side of the top plate (21), and the side frame (15) is fixedly connected to the plate (1) by bolts.
5. The anti-jamming tripod turnstile reset mechanism for scenic areas according to claim 4, characterized in that: Inside the side frame (15), near the top plate (21), a second electromagnet (16), a telescopic rod (17), and a plate (18) are arranged in sequence. The second electromagnet (16) is fixed to the side frame (15) by bolts, and the two ends of the telescopic rod (17) are fixed to the plate (18) and the second electromagnet (16) by bolts, respectively.
6. The anti-jamming tripod turnstile reset mechanism for scenic areas according to claim 5, characterized in that: A ball bearing (19) is provided on the side of the outer side of the disc body (18) near the top plate (21), and the ball bearing (19) is rotatably connected to the disc body (18). The ball bearing (19) is adapted to the inclined groove (22).
7. The anti-jamming tripod turnstile reset mechanism for scenic areas according to claim 6, characterized in that: The telescopic rod (17) is provided with a second return spring (20) on its outside. The two ends of the second return spring (20) are welded and fixed to the second electromagnet (16) and the disc body (18) respectively.
8. The anti-jamming reset mechanism for a scenic area tripod turnstile according to claim 1, characterized in that: The output of the controller (23) is electrically connected to the first electromagnet (9), the second electromagnet (16) and the electric push rod (13), respectively.
9. The anti-jamming tripod turnstile reset mechanism for scenic areas according to claim 1, characterized in that: The input terminals of the controller (23) are electrically connected to the angular displacement sensor (5) and the limit switch (3), respectively.
10. A tripod turnstile reset mechanism for scenic areas to prevent jamming, as described in claim 1, characterized in that: The limit switch (3) is fixedly connected to the plate (1) by bolts, and the controller (23) is fixedly connected to the plate (1) by bolts.