A highly secure longitudinally moving parking device

Abstract

This invention relates to the field of parking equipment technology, specifically disclosing a highly safe longitudinally moving parking device, including a platform and a parking platform. A cylindrical groove is formed inside the platform, and an isolation wall is cast into the inner wall of the cylindrical groove. An underground parking garage with a steel frame structure is installed within the isolation wall. A parking platform is fixedly installed at the top of the isolation wall. Two fan-shaped positioning plates are symmetrically installed at the center of the parking platform, and a vehicle-carrying plate is slidably connected between the positioning plates. Symmetrical support plates are fixedly connected to the bottom ends of the positioning plates. Two symmetrical mounting boxes are fixedly installed on the bottom ends of both sides of the vehicle-carrying plate. Each mounting box contains an anti-deviation mechanism. A fixed cylinder is fixedly connected between every two mounting boxes, and a deceleration mechanism is installed inside the fixed cylinder. The deceleration mechanism and the anti-deviation mechanism work together, and the two deceleration methods are superimposed to enhance the deceleration and anti-fall effect, thus preventing overweight vehicles from damaging the structure of the lifting device and causing damage to equipment, property, and vehicles.

Description

Technical Field

[0001] This invention relates to the field of parking equipment technology, and in particular to a highly safe longitudinally moving parking device. Background Technology

[0002] Currently, the number of cars owned in my country has increased significantly, but urban land resources remain scarce, and the problem of parking difficulties is becoming increasingly prominent. As a result, longitudinally moving circulating multi-level parking garages that can park multiple levels of vehicles are beginning to be widely used.

[0003] The longitudinal moving circulating automated parking system mainly consists of a parking frame and a vehicle-carrying platform. Multiple parking spaces are set on the parking frame. After a vehicle is transported to the vehicle-carrying platform by an AGV (Automated Guided Vehicle), the platform is raised and lowered to an empty parking space. The AGV then transports the vehicle back to the parking space, and this cycle repeats to achieve vehicle storage and retrieval. In currently used automated parking systems, the vehicle-carrying platform often vibrates during the raising and lowering process. Due to the weight of the vehicle, this vibration can cause the platform and vehicle to tilt, posing a risk of lateral tilting. Furthermore, when overweight vehicles are parked on the platform, the lifting device may be overloaded and fall. Existing automated parking systems are not designed to slow down falling platforms, which can seriously affect the safety of equipment and property in the event of a crisis. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a highly safe longitudinally moving parking device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A high-safety longitudinally moving parking device includes a platform and a parking platform. The platform is cast below ground level and has a cylindrical groove inside. The inner wall of the cylindrical groove is filled with an isolation wall. A steel-framed underground garage is installed inside the isolation wall. The parking platform is fixedly installed at the top of the isolation wall. Two fan-shaped positioning plates are symmetrically installed at the center of the parking platform. A car carrier plate is slidably connected between the positioning plates. Symmetrical support plates are fixedly connected to the bottom of the two positioning plates. Two symmetrical mounting boxes are fixedly installed on the bottom of both sides of the car carrier plate. Each mounting box is equipped with an anti-deviation mechanism. A fixed cylinder is slidably connected between every two mounting boxes through a sleeve. A deceleration mechanism is installed inside the fixed cylinder.

[0007] The anti-deviation mechanism includes a first friction wheel and a second friction wheel. A first friction wheel is rotatably connected to the side of the mounting box near the fixed cylinder, and a second friction wheel is rotatably connected to the side of the mounting box away from the fixed cylinder. The first friction wheel and the second friction wheel are perpendicular to each other and pass through the mounting box respectively.

[0008] The deceleration mechanism includes a dual-axis motor and friction plates. A dual-axis motor is fixedly installed at the center of the fixed cylinder. A screw is fixedly connected to each of the two output ends of the dual-axis motor. A hollow slider is threaded to one side of the screw. Four sets of rotatably connected connecting rods are evenly arranged on the side wall of the hollow slider. A friction plate is rotatably connected to the end of each set of connecting rods. The end of each screw is threaded to the inside of the sleeve.

[0009] Preferably, a partition wall is fixedly installed in the center of the underground garage, and door openings are evenly distributed on the partition wall, with each door opening connecting to a parking space in the underground garage.

[0010] Preferably, a guardrail is fixedly installed on the top of the positioning plate, and detectors are installed on both sides of the top of the guardrail.

[0011] Preferably, a rotating platform is fixedly installed at the bottom of the platform below the vehicle carrier, the bottom ends of two support plates are fixedly connected to the top of the rotating platform, and a lifting device is fixedly installed at the center of the top of the rotating platform, with the top of the lifting device connected to the bottom of the vehicle carrier.

[0012] Preferably, the top of the vehicle carrier plate is provided with a track, and the top of the vehicle carrier plate on both sides of the track is evenly provided with symmetrical comb teeth, and the AGV trolley is tumbling connected inside the track.

[0013] Preferably, the support plate has two vertical grooves symmetrically formed on one side wall, and a hollow groove is formed on the side wall of the support plate between the two grooves. The mounting box is slidably connected in the groove, and the fixing cylinder is slidably connected in the hollow groove.

[0014] Preferably, the first friction wheel abuts against the inner wall of the slide groove, and the second friction wheel abuts against the side wall of the slide groove.

[0015] Preferably, a first motor is fixedly installed inside the mounting box, a driving gear is fixedly connected to the output end of the first motor, two driven gears mesh on both sides of the driving gear, a second gear is fixedly connected to the shaft of the second friction wheel, the second gear meshes with one driven gear, a second bevel gear is fixedly connected to the shaft of the first friction wheel, and the second bevel gear meshes with a first bevel gear fixedly connected to the end of the shaft of the other driven gear.

[0016] Preferably, two fixed discs are fixedly installed at both ends of the fixed cylinder. Four guide grooves are provided on the fixed discs. The end of each friction pad is slidably connected to one of the guide grooves. Four openings are evenly provided at both ends of the fixed cylinder, and each opening corresponds to each friction pad.

[0017] Preferably, the first friction wheel has a hollow groove inside, a second motor is fixedly installed in the center of the hollow groove, the output shaft of the second motor is fixedly connected to a turntable, the outer ring of the turntable is rotatably connected to six arc-shaped connecting rods, and the ends of the arc-shaped connecting rods are rotatably connected to movable blocks that are slidably connected to the inner wall of the hollow groove.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] This invention establishes partition walls, which, through the installation of electric roller shutters at the doorways, separate the parking spaces and parking platforms in an underground garage. This reduces the adverse effects of vehicle fires and other hazards on other parked vehicles, thereby improving the overall safety of the underground garage.

[0020] This invention incorporates a support plate that connects the positioning plate and the rotating platform. When the rotating platform rotates, the positioning plate, the vehicle-carrying plate, and the lifting device rotate synchronously. This facilitates the lifting and lowering of the vehicle-carrying plate, allowing for limiting and guiding its movement and increasing stability without obstructing vehicle access to parking spaces in underground garages. The sliding grooves and hollow channels facilitate the installation of anti-deviation and deceleration mechanisms. The mounting boxes, the first friction wheel, the second friction wheel, and the fixing cylinder are connected to the two support plates as a whole, thus providing limiting guidance, vibration resistance, and anti-tilt functions. Furthermore, when the vehicle-carrying plate is overloaded, it decelerates and prevents falls, preventing further damage to the vehicle and improving safety.

[0021] This invention employs an anti-deviation mechanism housed within the mounting boxes. During the lifting and lowering of the vehicle platform, the mounting boxes slide within a chute, with one side of the mounting box abutting against the side wall of the chute. Meanwhile, the first and second friction wheels abut against the inner and side walls of the chute, respectively. The distribution of four mounting boxes creates a rolling connection between the four first and four second friction wheels and the two support plates. The cooperation of the first and second friction wheels provides a limiting function for the vehicle platform, preventing lateral tilting. The stabilized platform resists vibration, preventing it from affecting vehicle safety during lifting and lowering. Furthermore, the rotation of the first and second friction wheels effectively reduces friction between the mounting boxes and the chute, minimizing wear and maintenance frequency, and extending the lifespan of the parking equipment. When the vehicle platform is overloaded or the built-in acceleration sensor detects an abnormal descent speed, external control... The controller controls the rotation of the first motor, which drives the driving gear to rotate synchronously. Simultaneously, the rotation of the two driven gears drives the first and second friction wheels to rotate. The connection between the second gear, the first bevel gear, and the second bevel gear ensures that when the first motor rotates counterclockwise, the first and second friction wheels move upwards. At this time, the four mounting boxes can decelerate the descending vehicle platform by utilizing the upward movement of the first and second friction wheels. The external controller synchronously controls the rotation of the second motor, causing the arc-shaped connecting rod to push the six movable blocks outwards, allowing the movable blocks to make more complete contact with the slide rail, enhancing the deceleration effect of the anti-deviation mechanism. Combined with the limiting and guiding function of the mounting boxes, it can effectively reduce damage to the vehicle platform, lifting device, and vehicle. In daily use, the position of the movable blocks can be adjusted by the second motor according to the wear condition of the first friction wheel, ensuring that the first friction wheel always maintains contact with the slide rail, thus reducing the frequency of maintenance and replacement.

[0022] This invention incorporates a deceleration mechanism connected to an anti-deviation mechanism. Each fixed cylinder connects to two mounting boxes and passes through a hollow groove. Similar to the anti-deviation mechanism, during normal lifting and lowering of the vehicle platform, the fixed cylinder of the deceleration mechanism abuts against the inner wall of the hollow groove, but the contact is merely linear and does not affect the normal lifting and lowering of the vehicle platform. Furthermore, it works in conjunction with the anti-deviation mechanism to enhance the stability and vibration resistance of the vehicle platform, ensuring safe vehicle entry and exit. When the vehicle platform is overloaded or the built-in acceleration sensor detects an abnormal descent speed, the external controller activates a dual-axis motor, driving two screws to rotate. This drives the hollow slider to slide, which in turn pushes the connecting rod and friction plates to unfold. Ultimately, all sixteen friction plates on both sides extend out of their openings and contact the inner wall of the hollow groove. The contact mechanism pushes the mounting boxes on both sides to move in opposite directions, making the contact between the second friction wheel and the slide groove more complete. This enhances the deceleration effect of the anti-deviation mechanism, which decelerates the descending vehicle platform through friction. When used in conjunction with the anti-deviation mechanism, the two deceleration methods are superimposed to enhance the deceleration and anti-fall effect, preventing overweight vehicles from damaging the structure of the lifting device and causing damage to equipment, property, and vehicles. In actual use, the anti-deviation mechanism can be controlled to work alone to decelerate based on the increase in descent acceleration detected by the acceleration sensor. If the acceleration is too large, the anti-deviation mechanism and the deceleration mechanism can be controlled to work together, increasing the output load, enhancing the deceleration effect, and ultimately stopping the descent of the vehicle platform. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a high-safety longitudinally moving parking device proposed in this invention.

[0024] Figure 2 This is a schematic diagram of the platform structure of a high-safety longitudinally moving parking device proposed in this invention.

[0025] Figure 3 This is a schematic diagram of the isolation wall structure of a high-safety longitudinally moving parking device proposed in this invention;

[0026] Figure 4 This is a schematic diagram of the partition wall structure of a high-safety longitudinally moving parking device proposed in this invention;

[0027] Figure 5 This is a schematic diagram of the vehicle platform and lifting device structure of a high-safety longitudinally moving parking equipment proposed in this invention.

[0028] Figure 6 This is a top view of the vehicle platform of a high-safety longitudinally moving parking device proposed in this invention.

[0029] Figure 7 This is a side view of the vehicle carrier and support plate of a high-safety longitudinally moving parking device proposed in this invention.

[0030] Figure 8 This is a schematic diagram of the support plate structure of a high-safety longitudinally moving parking device proposed in this invention.

[0031] Figure 9 This is a schematic diagram of the vehicle carrier plate and mounting box structure of a high-safety longitudinally moving parking device proposed in this invention;

[0032] Figure 10 This is a schematic diagram showing the connection between the mounting box and the fixing cylinder of a high-safety longitudinally moving parking device proposed in this invention;

[0033] Figure 11 This is a schematic diagram showing the positions of the first and second friction wheels of a high-safety longitudinally moving parking device proposed in this invention.

[0034] Figure 12 This is a schematic diagram of the anti-deviation mechanism structure of a high-safety longitudinally moving parking device proposed in this invention.

[0035] Figure 13 This is a schematic diagram of the deceleration mechanism of a high-safety longitudinally moving parking device proposed in this invention.

[0036] Figure 14 This is a schematic diagram of the external structure of the first friction wheel of a high-safety longitudinally moving parking device proposed in this invention.

[0037] Figure 15 This is a cross-sectional view of the first friction wheel of a high-safety longitudinally moving parking device proposed in this invention.

[0038] In the diagram: 1. Platform; 2. Parking platform; 3. Isolation wall; 4. Underground garage; 5. Partition wall; 6. Positioning plate; 7. Guardrail; 71. Detector; 8. Car carrier plate; 81. Comb teeth; 9. Track; 10. AGV trolley; 11. Lifting device; 12. Rotary table; 13. Support plate; 14. Slide groove; 15. Hollow groove; 16. Mounting box; 17. Anti-deviation mechanism; 18. First motor; 19. Drive gear; 20. Driven gear; 21. First bevel gear; 22. Second bevel gear; 23. First friction wheel; 24. Second gear; 25. Second friction wheel; 26. Fixed cylinder; 27. Opening; 28. Reduction mechanism; 29. ​​Dual-shaft motor; 30. Screw; 31. Hollow slider; 32. Connecting rod; 33. Friction plate; 34. Fixed plate; 35. Guide groove; 36. Movable block; 37. Second motor; 38. Arc-shaped connecting rod; 39. Turntable. Detailed Implementation

[0039] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0040] Reference Figure 1-15 A high-safety longitudinally moving parking device includes a platform 1 and a parking platform 2. The platform 1 is cast below ground level and has a cylindrical groove inside. The inner wall of the cylindrical groove is filled with an isolation wall 3. A steel frame underground garage 4 is installed inside the isolation wall 3. The parking platform 2 is fixedly installed at the top of the isolation wall 3. Two fan-shaped positioning plates 6 are symmetrically installed at the center of the parking platform 2. A car carrier plate 8 is slidably connected between the positioning plates 6. The bottom ends of the two positioning plates 6 are respectively fixedly connected with mutually symmetrical support plates 13. The bottom ends of the car carrier plate 8 are respectively fixedly installed with two mutually symmetrical mounting boxes 16. Each of the two mounting boxes 16 is provided with an anti-deviation mechanism 17. A fixed cylinder 26 is slidably connected between each pair of mounting boxes 16 through a sleeve. A deceleration mechanism 28 is provided inside the fixed cylinder 26.

[0041] The anti-deviation mechanism 17 includes a first friction wheel 23 and a second friction wheel 25. A first friction wheel 23 is rotatably connected inside the mounting box 16 on the side close to the fixed cylinder 26, and a second friction wheel 25 is rotatably connected on the side of the mounting box 16 away from the fixed cylinder 26. The first friction wheel 23 and the second friction wheel 25 are perpendicular to each other, and the first friction wheel 23 and the second friction wheel 25 respectively pass through the mounting box 16.

[0042] The reduction mechanism 28 includes a dual-axis motor 29 and friction plates 33. A dual-axis motor 29 is fixedly installed in the center of the fixed cylinder 26. A screw 30 is fixedly connected to each of the two output ends of the dual-axis motor 29. A hollow slider 31 is threaded to one side of the screw 30. Four sets of rotatably connected connecting rods 32 are evenly arranged on the side wall of the hollow slider 31. A friction plate 33 is rotatably connected to the end of each set of connecting rods 32. The end of each screw 30 is threaded into the sleeve. The platform 1 is the ground on which the parking equipment is installed. The protruding parts on both sides of the platform 1 are the vehicle entrance and exit. After the vehicle passes through the entrance and parks in the temporary parking space on the parking platform 2, the owner gets out and locks the car. After the owner exits the parking platform 2 and swipes a card or enters the license plate number, the vehicle can be automatically parked. When retrieving the car, the owner swipes a card or enters the license plate number at the exit and waits for the automatic retrieval operation. The storage and retrieval of the vehicle are both automatically completed by the AGV trolley 10. The two positioning plates 6 are relatively fixed in position and height, while the vehicle carrying plate 8 is raised and lowered. The vehicle carrying plate 8 has a built-in An acceleration sensor is included and electrically connected to an external controller. After the AGV trolley 10 transports the vehicle to the carrier plate 8 and comes to a stop, the carrier plate 8 descends to the underground garage 4 with an available parking space. The AGV trolley 10 then transports the vehicle to the parking space. Retrieval is performed by reversing the operation. The isolation wall 3 is a prefabricated settlement wall that is waterproof, earthquake-resistant, and enhances the strength of the underground garage 4. The support plate 13 connects the positioning plate 6 and the rotating platform 12, so that when the rotating platform 12 rotates, the positioning plate 6, the carrier plate 8, and the lifting device 11 rotate synchronously. This design facilitates the lifting and lowering of the vehicle carrier plate 8. The support plate 13 provides guidance and stability while allowing vehicles to enter and exit parking spaces in the underground garage 4. The anti-deviation mechanism 17 is located inside the mounting box 16. The support plate 13 is fixed relative to the rotating platform 12 and the positioning plate 6. During the lifting and lowering of the vehicle carrier plate 8, the mounting box 16 slides within the slide groove 14, with one side of the mounting box 16 abutting against the side wall of the slide groove 14. The first friction wheel 23 and the second friction wheel 25 abut against the inner and side walls of the slide groove 14, respectively. The distribution of the four mounting boxes 16 creates a rolling connection between the four first friction wheels 23 and the four second friction wheels 25 and the two support plates 13, ensuring smooth movement of the vehicle carrier plate 8 during lifting and lowering. The first friction wheel 23 and the second friction wheel 25 work together to limit the movement of the vehicle platform 8, preventing it from tilting. The stabilized vehicle platform 8 resists vibration, preventing it from affecting vehicle safety during lifting. Furthermore, the rotation of the first friction wheel 23 and the second friction wheel 25 during lifting effectively reduces friction between the mounting box 16 and the slide groove 14, reducing wear and maintenance frequency, and extending the service life of the parking equipment. The deceleration mechanism 28 is connected to the anti-deviation mechanism 17. Each fixed cylinder 26 connects to two mounting boxes 16 and passes through the hollow groove 15. Similar to the anti-deviation mechanism 17, during normal lifting of the vehicle platform 8, the fixed cylinder 26 of the deceleration mechanism 28 abuts against the inner wall of the hollow groove 15.However, the contact point is merely linear, not affecting the normal lifting and lowering of the vehicle platform 8. It can also work with the anti-deviation mechanism 17 to enhance the stability and vibration resistance of the vehicle platform 8, ensuring vehicle safety. When the vehicle platform 8 is overweight and the built-in acceleration sensor detects an abnormal descent speed, the external controller controls the dual-axis motor 29 to rotate the two screws 30, pushing the hollow slider 31 to slide and subsequently pushing the connecting rod 32 and friction plates 33 to unfold. Ultimately, all sixteen friction plates 33 on both sides extend out of the openings 27 and abut against the inner wall of the hollow groove 15, simultaneously pushing the mounting boxes 16 on both sides to move in opposite directions. This ensures more sufficient contact between the second friction wheel 25 and the slide groove 14, enhancing the deceleration effect of the anti-deviation mechanism 17. By using friction to slow down the descending vehicle platform 8, the two deceleration methods, combined with the anti-deviation mechanism 17, mutually enhance the deceleration and anti-fall effect, preventing overweight vehicles from damaging the structure of the lifting device 11 and causing damage to equipment, property, and vehicles.

[0043] As a technical optimization of the present invention, a partition wall 5 is fixedly installed in the center of the underground garage 4. Doorways are evenly distributed on the partition wall 5, and each doorway connects to a parking space in the underground garage 4. The partition wall 5 can separate each parking space in the underground garage 4 from the parking platform 2 by installing electric roller shutter doors at the doorways, thereby reducing the adverse effects of vehicle fires and other dangers on other parked vehicles and improving the overall safety of the underground garage 4.

[0044] As a technical optimization of the present invention, a guardrail 7 is fixedly installed on the top of the positioning plate 6, and detectors 71 are installed on both sides of the top of the guardrail 7. The guardrail 7 and the detectors 71 can be used to locate the AGV trolley 10 and the vehicle to be stored or retrieved.

[0045] As a technical optimization of the present invention, a rotating platform 12 is fixedly installed at the bottom of the platform 1 below the vehicle carrier 8. The bottom ends of two support plates 13 are fixedly connected to the top end of the rotating platform 12. A lifting device 11 is fixedly installed at the center of the top end of the rotating platform 12, and the top end of the lifting device 11 is connected to the bottom end of the vehicle carrier 8. After the AGV trolley 10 parks the vehicle on the top of the vehicle carrier 8, the lifting device 11 lifts or lowers the vehicle carrier 8 while the rotating platform 12 rotates, causing the lifting device 11, the vehicle carrier 8, and the support plates 13 to turn synchronously, so that the vehicle carrier 8 finally aligns the vehicle with the vacant parking space, which facilitates the AGV trolley 10 to transport the vehicle.

[0046] As a technical optimization of the present invention, a track 9 is provided at the top of the vehicle carrier plate 8, and symmetrical comb teeth 81 are evenly arranged at the top of the vehicle carrier plate 8 on both sides of the track 9. An AGV trolley 10 is rotatably connected inside the track 9. The AGV trolley 10 lifts or releases the vehicle through its own rotating lifting component and places the vehicle on the top of the comb teeth 81, which facilitates the transport of vehicles by the vehicle carrier plate 8. The track 9 facilitates the movement of the AGV trolley 10, so that the AGV trolley 10 can be hidden inside the vehicle carrier plate 8 and is suitable for vehicles with different chassis heights.

[0047] As a technical optimization of the present invention, two vertical grooves 14 are symmetrically opened on one side wall of the support plate 13, and a hollow groove 15 is opened on the side wall of the support plate 13 between the two grooves 14. The mounting box 16 is slidably connected in the groove 14, and the fixing cylinder 26 is slidably connected in the hollow groove 15. The grooves 14 and the hollow groove 15 facilitate the installation of the anti-deviation mechanism 17 and the deceleration mechanism 28, and connect each mounting box 16, the first friction wheel 23, the second friction wheel 25 and the fixing cylinder 26 with the two support plates 13 into a whole, thereby playing the functions of limiting guidance and anti-vibration and anti-tilting. It can also play the function of deceleration and anti-fall when the vehicle platform 8 is overloaded, preventing the vehicle from being damaged more, and improving the safety protection effect. At the same time, when the vehicle platform 8 rises to the position, the top of the mounting box 16 can abut the bottom of the positioning plate 6, so that the vehicle platform 8 is flush with the positioning plate 6, which facilitates the stable transportation of the vehicle by the AGV trolley 10.

[0048] As an optimized technical solution of the present invention, the first friction wheel 23 abuts against the inner wall of the slide groove 14, and the second friction wheel 25 abuts against the side wall of the slide groove 14. The first friction wheel 23 and the second friction wheel 25 form a rolling connection with the slide groove 14.

[0049] As a technical optimization of the present invention, a first motor 18 is fixedly installed inside the mounting box 16. A driving gear 19 is fixedly connected to the output end of the first motor 18. Two driven gears 20 mesh on both sides of the driving gear 19. A second gear 24 is fixedly connected to the shaft of the second friction wheel 25. The second gear 24 meshes with one of the driven gears 20. A second bevel gear 22 is fixedly connected to the shaft of the first friction wheel 23. The second bevel gear 22 meshes with a first bevel gear 21 fixedly connected to the end of the shaft of the other driven gear 20. When the vehicle platform 8 is overloaded and the built-in acceleration sensor detects an abnormal descent speed, the external controller controls the first motor 18 to rotate, driving the drive gear 19 to rotate synchronously. Simultaneously, the two driven gears 20 rotate, driving the first friction wheel 23 and the second friction wheel 25 to rotate. The connection of the second gear 24, the first bevel gear 21, and the second bevel gear 22 causes the first friction wheel 23 and the second friction wheel 25 to move upwards when the first motor 18 rotates counterclockwise. At this time, the four sets of mounting boxes 16 can decelerate the descending vehicle platform 8 through the upward trend of the first friction wheel 23 and the second friction wheel 25. Combined with the limiting and guiding function of the mounting box 16, damage to the vehicle platform 8, the lifting device 11, and the vehicle can be effectively reduced.

[0050] As a technical optimization of the present invention, two fixed disks 34 are fixedly installed at both ends of the fixed cylinder 26. Four guide grooves 35 are provided on the fixed disks 34, and the end of each friction plate 33 is slidably connected to one of the guide grooves 35. Four openings 27 are evenly provided at both ends of the fixed cylinder 26, each opening corresponding to each friction plate 33. When the friction plate 33 is pushed out by the dual-axis motor 29, the guide grooves 35 guide the friction plate 33 and also stabilize it when it abuts against the inner wall of the hollow groove 15, preventing damage due to uneven force. The openings 27 facilitate the storage and release of the friction plate 33.

[0051] As a technical optimization of the present invention, a hollow groove is formed inside the first friction wheel 23. A second motor 37 is fixedly installed at the center of the hollow groove. The output shaft of the second motor 37 is fixedly connected to a turntable 39. Six arc-shaped connecting rods 38 are rotatably connected to the outer ring of the turntable 39. The ends of the arc-shaped connecting rods 38 are rotatably connected to movable blocks 36 that are slidably connected to the inner wall of the hollow groove. When the first motor 18 is working, the external controller synchronously controls the second motor 37 to rotate, driving the turntable 39 to rotate. This causes the arc-shaped connecting rods 38 to push the six movable blocks 36 outward, allowing the movable blocks 36 to more fully contact the slide groove 14, thus enhancing the deceleration effect of the anti-deviation mechanism 17. In daily use, the position of the movable blocks 36 can be adjusted by the second motor 37 according to the wear condition of the first friction wheel 23, so that the first friction wheel 23 always keeps in contact with the slide groove 14, thereby reducing the number of maintenance and replacements.

[0052] In use, after a vehicle parks in a temporary parking space on the parking platform 2 at the entrance, the owner gets out and locks the vehicle. After the owner exits the parking platform 2 and swipes a card or enters their license plate number, the vehicle can be automatically parked. The AGV trolley 10 lifts or releases the vehicle using its own rotating lifting assembly, placing the vehicle on top of the comb teeth 81. The lifting device 11 lowers the vehicle carrier plate 8 while the rotating platform 12 rotates, causing the lifting device 11, the vehicle carrier plate 8, and the support plate 13 to rotate synchronously, so that the vehicle carrier plate 8 finally aligns the vehicle with the available parking space. At this time, the AGV trolley 10 transports the vehicle to the available parking space and returns to the track 9. During the lifting and lowering of the vehicle carrier plate 8, the first friction wheel 23 and the second friction wheel 25 are rolled and connected with the slide 14, working in conjunction with the fixed cylinder 26 to provide a limiting and guiding function. When the owner retrieves the vehicle, they swipe their card or enter their license plate number at the exit and wait for the automatic vehicle retrieval operation, which is also automatically completed by the AGV trolley 10.

[0053] When the vehicle platform 8 is overloaded and the built-in acceleration sensor detects an abnormal descent speed, the external controller's first motor 18 rotates, driving the drive gear 19 to rotate synchronously. Simultaneously, the two driven gears 20 rotate, driving the first friction wheel 23 and the second friction wheel 25 to rotate. The connection between the second gear 24, the first bevel gear 21, and the second bevel gear 22 ensures that when the first motor 18 rotates counterclockwise, the first friction wheel 23 and the second friction wheel 25 move upwards. At this time, the four mounting boxes 16 can decelerate the descending vehicle platform 8 through the upward movement of the first friction wheel 23 and the second friction wheel 25, while simultaneously controlling the dual-axis motor. When the 29th motor operates, it drives the two screws 30 to rotate, pushing the hollow slider 31 to slide, which in turn pushes the connecting rod 32 and friction plates 33 to unfold. Finally, all sixteen friction plates 33 on both sides push out of the openings 27 and abut against the inner wall of the hollow groove 15. At the same time, it pushes the mounting boxes 16 on both sides to move in opposite directions. The external controller synchronously controls the second motor 37 to rotate, driving the turntable 39 to rotate, so that the arc-shaped connecting rod 38 pushes the six movable blocks 36 to expand outward, so that the movable blocks 36 can abut against the slide groove 14 more fully, and the contact between the first friction wheel 23 and the second friction wheel 25 and the slide groove 14 is more sufficient. Thus, the descending vehicle plate 8 can be decelerated by friction.

[0054] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

[0055] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A high-safety longitudinally moving parking device, comprising a platform (1) and a parking platform (2), characterized in that: The platform (1) is cast below ground level. A cylindrical groove is opened inside the platform (1). An isolation wall (3) is cast on the inner wall of the cylindrical groove. A steel frame underground garage (4) is installed inside the isolation wall (3). A parking platform (2) is fixedly installed at the top of the isolation wall (3). Two fan-shaped positioning plates (6) are symmetrically installed in the center of the parking platform (2). A car carrier plate (8) is slidably connected between the positioning plates (6). A symmetrical support plate (13) is fixedly connected to the bottom of the two positioning plates (6). Two symmetrical mounting boxes (16) are fixedly installed on the bottom of both sides of the car carrier plate (8). An anti-deviation mechanism (17) is provided in each of the two mounting boxes (16). A fixed cylinder (26) is slidably connected between each pair of mounting boxes (16) through a sleeve. A deceleration mechanism (28) is provided inside the fixed cylinder (26). The anti-deviation mechanism (17) includes a first friction wheel (23) and a second friction wheel (25). A first friction wheel (23) is rotatably connected inside the mounting box (16) on the side close to the fixed cylinder (26), and a second friction wheel (25) is rotatably connected on the side of the mounting box (16) away from the fixed cylinder (26). The first friction wheel (23) and the second friction wheel (25) are perpendicular to each other, and the first friction wheel (23) and the second friction wheel (25) respectively pass through the mounting box (16). The deceleration mechanism (28) includes a dual-axis motor (29) and a friction plate (33). A dual-axis motor (29) is fixedly installed in the center of the fixed cylinder (26). A screw (30) is fixedly connected to each of the two output ends of the dual-axis motor (29). A hollow slider (31) is threadedly connected to one side of the screw (30). Four sets of rotating connecting rods (32) are evenly arranged on the side wall of the hollow slider (31). A friction plate (33) is rotatably connected to the end of each set of connecting rods (32). The end of each screw (30) is threadedly connected to the sleeve.

2. The high-safety longitudinally moving parking device according to claim 1, characterized in that: The underground garage (4) has a partition wall (5) fixedly installed in the center. Door openings are evenly provided on the partition wall (5), and the door openings are connected to each parking space in the underground garage (4).

3. The high-safety longitudinally moving parking device according to claim 1, characterized in that: The top of the positioning plate (6) is fixedly installed with a guardrail (7), and detectors (71) are installed on both sides of the top of the guardrail (7).

4. The high-safety longitudinally moving parking device according to claim 1, characterized in that: A rotating platform (12) is fixedly installed at the bottom of the platform (1) below the vehicle platform (8). The bottom ends of two support plates (13) are fixedly connected to the top of the rotating platform (12). A lifting device (11) is fixedly installed at the center of the top of the rotating platform (12). The top of the lifting device (11) is connected to the bottom of the vehicle platform (8).

5. The high-safety longitudinally moving parking device according to claim 1, characterized in that: The top of the vehicle platform (8) is provided with a track (9), and the top of the vehicle platform (8) on both sides of the track (9) is provided with symmetrical comb teeth (81). An AGV trolley (10) is rolled inside the track (9).

6. The high-safety longitudinally moving parking device according to claim 1, characterized in that: The support plate (13) has two vertical grooves (14) symmetrically opened on one side wall. The support plate (13) between the two grooves (14) has a hollow groove (15) opened on the side wall. The mounting box (16) is slidably connected in the groove (14), and the fixing cylinder (26) is slidably connected in the hollow groove (15).

7. A high-safety longitudinally moving parking device according to claim 6, characterized in that: The first friction wheel (23) abuts against the inner wall of the slide groove (14), and the second friction wheel (25) abuts against the side wall of the slide groove (14).

8. The high-safety longitudinally moving parking device according to claim 1, characterized in that: The first motor (18) is fixedly installed inside the mounting box (16). The output end of the first motor (18) is fixedly connected to the drive gear (19). Two driven gears (20) mesh on both sides of the drive gear (19). A second gear (24) is fixedly connected to the shaft of the second friction wheel (25). The second gear (24) meshes with one driven gear (20). A second bevel gear (22) is fixedly connected to the shaft of the first friction wheel (23). The second bevel gear (22) meshes with the first bevel gear (21) fixedly connected to the end of the shaft of the other driven gear (20).

9. A high-safety longitudinally moving parking device according to claim 1, characterized in that: The fixed cylinder (26) has two fixed plates (34) fixedly installed at both ends. The fixed plates (34) have four guide grooves (35). The end of each friction piece (33) is slidably connected in one of the guide grooves (35). The fixed cylinder (26) has four openings (27) evenly opened at both ends. Each opening (27) corresponds to each friction piece (33).

10. A high-safety longitudinally moving parking device according to claim 1, characterized in that: The first friction wheel (23) has a hollow groove inside. A second motor (37) is fixedly installed in the center of the hollow groove. The output shaft of the second motor (37) is fixedly connected to a turntable (39). The outer ring of the turntable (39) is rotatably connected to six arc-shaped connecting rods (38). The ends of the arc-shaped connecting rods (38) are rotatably connected to movable blocks (36) that are slidably connected to the inner wall of the hollow groove.

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