Anti-backing device of parking lot

Abstract

The utility model discloses an anti-backing device of a parking lot. The anti-backing device comprises a conveyor belt assembly and a blocking assembly, the conveying belt assembly comprises a first rack, the first rack comprises a first roller and a first belt which are arranged at the two ends, and the first belt and the first roller move synchronously; a ratchet wheel is arranged on the first roller at one end and rotates synchronously with the first roller; a pawl is further arranged on the first rack and connected with the ratchet wheel in a matched mode. The blocking assembly comprises a second rack, and the second rack is provided with a swing arm and a driving unit which are rotationally connected. According to the anti-backing device, when a vehicle is located on the conveying belt assembly, the swing arm rotates and rises to abut against rear wheels of the vehicle, and the vehicle is prevented from sliding; meanwhile, the first belt can only rotate in a single direction through the ratchet wheel, and when the vehicle advances, the first belt cannot rotate, so that the vehicle smoothly drives away from the parking lot; when the vehicle retreats, the first belt rotates along with the wheels to prevent the vehicle from retreating to the parking lot.

Description

Technical Field

[0001] This utility model belongs to the field of intelligent parking, specifically relating to an anti-backward device for parking lots. Background Technology

[0002] Most existing indoor parking lots are underground, with ramps at the entrances and exits for vehicles. When leaving the parking lot, vehicles typically need to stop on the ramp so that the parking gates can recognize their information and generate parking fees. However, there is a risk of vehicles reversing when starting from a ramp, and when multiple vehicles are queuing to pay and leave, there is a safety hazard of collision. Even worse, some drivers reverse back into the parking lot after paying to evade payment.

[0003] In existing technologies, such as patent document CN210217294U, a parking lot anti-rollover device is disclosed. This device uses a motor to drive a lead screw to rotate, which in turn moves a screw block, causing a stop lever to extend and block the vehicle's tires, preventing the vehicle from rolling away. However, because the extension length of the stop lever is limited, when the driver intentionally reverses, the vehicle can pass over the stop lever and return to the parking lot, thus evading payment. Summary of the Invention

[0004] To address the problems in existing technologies, this utility model proposes an anti-backward device for parking lots. When the gate recognizes vehicle information, the vehicle is located on the conveyor belt assembly, and the swing arm rotates and rises to abut against the rear wheels of the vehicle, preventing the vehicle from rolling away. At the same time, a ratchet ensures that the first belt can only rotate in one direction. When the vehicle moves forward, the first belt cannot rotate, allowing the vehicle to leave the parking lot smoothly. When the vehicle reverses, the first belt rotates with the wheels, preventing the vehicle from returning to the parking lot.

[0005] This utility model is implemented as follows: an anti-backward device for a parking lot is installed on the slope at the parking lot exit and located inside the gate at the parking lot exit, including a conveyor belt assembly and a blocking assembly arranged sequentially from top to bottom along the slope; when a vehicle stops in front of the gate, the vehicle is located on the conveyor belt assembly.

[0006] The conveyor belt assembly includes a first frame, which includes first rollers at both ends and a first belt surrounding the first rollers. The first belt is drive-connected to the first rollers and moves synchronously. The first frame also has a ratchet, which is connected to the first rollers and rotates synchronously. The first frame also has a pawl adapted to the ratchet, which engages with the ratchet. Through the engagement of the ratchet and pawl, the ratchet can only rotate in one direction, thus causing the first belt to rotate only from bottom to top. When the vehicle moves forward, the friction between the wheels and the first belt causes the first belt to tend to rotate from top to bottom. However, because the first belt cannot rotate from top to bottom under the action of the ratchet, the friction between the tires and the first belt allows the vehicle to smoothly leave the parking lot. When the vehicle reverses, the wheels cause the first belt to tend to rotate from bottom to top. Because the first belt can rotate from bottom to top, it rotates with the wheels, thus stopping the vehicle in place and preventing it from returning to the parking lot after payment, thereby preventing fare evasion.

[0007] The blocking assembly includes a second frame on which a swing arm is rotatably connected, and a drive unit that drives the swing arm to swing. The drive unit is electrically connected to the gate. When the gate detects a vehicle, it sends an electrical signal to the drive unit, which then drives the swing arm to rotate and abut against the rear wheel of the vehicle, preventing the vehicle from rolling back when starting on a slope and reducing safety risks.

[0008] Preferably, the swing arm includes second rollers respectively disposed at both ends, and a second belt surrounding the second rollers. The second belt is drive-connected to the second rollers and moves synchronously with them. The second rollers can rotate freely, thereby causing the second belt to rotate with the rolling of the wheel, preventing the vehicle from overturning the blocking assembly by the friction between the wheel and the second belt when reversing, further improving the reliability of the blocking assembly.

[0009] Specifically, the swing arm further includes a blocking unit disposed between the second rollers, the blocking unit abutting against the inner wall of the second belt. The blocking unit is used to support the vehicle's wheel when the swing arm abuts against the wheel, improving the blocking effect of the blocking assembly; at the same time, it can also prevent the second belt from being excessively deformed under the pressure of the wheel, thus improving the service life of the second belt.

[0010] Preferably, the first frame further includes a plurality of parallel-arranged support rollers, which are positioned between the first rollers and abut against the inner wall of the first belt. The support rollers support the vehicle on the first belt, preventing it from sinking downwards and thus preventing the vehicle from exiting the conveyor belt assembly. Furthermore, the support rollers are free to roll, so when the first belt presses against the support rollers, the frictional resistance of the first belt during rotation is not increased, thus preventing the first belt from failing to rotate with the wheels when the vehicle reverses, while simultaneously ensuring both the support effect and smooth movement of the conveyor belt assembly.

[0011] Preferably, multiple symmetrically arranged mounting seats are fixed to both sides of the first frame. The mounting seats are L-shaped, forming a mounting plate at the bottom. The mounting plate has multiple adjustment grooves extending perpendicular to the direction of movement of the first belt. The L-shape of the mounting seats fully exposes the adjustment grooves, improving the convenience of installing and fixing the first frame. Since the first frame is installed on the slope, mounting holes need to be pre-drilled on the slope during installation. The adjustment grooves prevent errors in the position of the mounting holes, which could cause the first frame to be unable to fit the mounting holes, thus improving the ease of installation of the first frame.

[0012] Specifically, the mounting plate is also provided with multiple adjustment holes, which are evenly distributed on the mounting plate. The adjustment holes are used to adjust the flatness of the first frame relative to the slope, preventing the first frame from tilting, thereby making the force on the first frame more even when under load, and thus improving the service life of the first frame.

[0013] Preferably, the outer wall of the first belt is coated with an anti-slip coating. The anti-slip coating is used to increase the friction between the first belt and the tire, preventing slippage between the tire and the first belt. When the vehicle moves forward, it can increase the speed at which the vehicle passes through the gate; when the vehicle reverses, it further improves the synchronization between the first belt and the tire.

[0014] Preferably, multiple ratchet wheels are provided and symmetrically installed at both ends of the first roller at one end of the first frame. When multiple ratchet wheels are provided, the load on a single ratchet wheel is reduced, thereby increasing the service life of a single ratchet wheel; at the same time, the symmetrically arranged ratchet wheels can also make the force on the first roller more even, thereby increasing the service life of the first roller.

[0015] Preferably, the angle between the swing arm and the ramp is in the range of 0°-150°; thus, the swing arm is suitable for tires of different sizes, improving the compatibility of the swing arm.

[0016] Preferably, the drive unit is an electric cylinder. Compared to a hydraulic cylinder, which requires a hydraulic pump to function, an electric cylinder can be used directly by simply connecting an electric current, thus reducing both cost and maintenance complexity.

[0017] The beneficial effects of this utility model are:

[0018] This invention proposes an anti-backward device for parking lots. When the gate recognizes vehicle information, the vehicle is positioned on the conveyor belt assembly, and the swing arm rotates and rises to contact the rear wheels of the vehicle, preventing it from rolling away. Simultaneously, a ratchet ensures that the first belt can only rotate in one direction from bottom to top. When the vehicle moves forward, the friction between the wheels and the first belt causes the first belt to tend to rotate from top to bottom. However, because the first belt cannot rotate from top to bottom under the action of the ratchet, the friction between the tires and the first belt allows the vehicle to smoothly exit the parking lot. When the vehicle reverses, the wheels cause the first belt to tend to rotate from bottom to top. Since the first belt can rotate from bottom to top, it rotates along with the wheels, thus stopping the vehicle in place and preventing it from returning to the parking lot after payment, thereby preventing evasion of payment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall anti-backward device of this utility model;

[0020] Figure 2 This is a schematic diagram of the conveyor belt assembly of the anti-backward device of this utility model;

[0021] Figure 3 for Figure 2 An enlarged schematic diagram of point a;

[0022] Figure 4 This is a schematic diagram of the internal structure of the conveyor belt assembly of the anti-backward device of this utility model;

[0023] Figure 5 This is a schematic diagram of the blocking component of the anti-backward device of this utility model;

[0024] Figure 6 This is a schematic diagram of the blocking component of the anti-backward device of this utility model.

[0025] Figure label:

[0026] 1. Inclined ramp; 2. Conveyor belt assembly; 3. Blocking assembly; 21. First frame; 31. Second frame; 32. Swing arm; 33. Drive unit; 211. First roller; 212. First belt; 213. Ratchet; 214. Pawl; 215. Mounting base; 216. Support roller; 321. Second roller; 322. Second belt; 2151. Adjustment groove; 2152. Adjustment hole. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1-6 As shown, an anti-backward device for a parking lot is installed on a ramp 1 at the parking lot exit and located inside the gate at the parking lot exit. It includes a conveyor belt assembly 2 and a blocking assembly 3 arranged sequentially from top to bottom along the ramp 1. When a vehicle stops in front of the gate, the vehicle is located on the conveyor belt assembly 2.

[0029] The conveyor belt assembly 2 includes a first frame 21, which includes first rollers 211 at both ends and a first belt 212 surrounding the first rollers 211. The first belt 212 is connected to the first rollers 211 and moves synchronously. The first frame 21 is also provided with a ratchet 213, which is connected to the first rollers 211 and rotates synchronously. The first frame 21 is also provided with a pawl 214 adapted to the ratchet 213, which is engaged with the ratchet 213. Through the engagement of the ratchet 213 and the pawl 214, the ratchet 213 can only rotate in one direction, thereby causing the first belt 212 to rotate only in one direction from bottom to top. When the vehicle moves forward, the friction between the wheels and the first belt 212 causes the first belt 212 to tend to rotate from top to bottom. However, because the first belt 212 cannot rotate from top to bottom under the action of the ratchet 213, the friction between the tire and the first belt 212 allows the vehicle to smoothly drive out of the parking lot. When the vehicle reverses, the wheels cause the first belt 212 to tend to rotate from bottom to top. Since the first belt 212 can rotate from bottom to top, the first belt 212 rotates with the wheels, thus keeping the vehicle stationary and preventing the vehicle from returning to the parking lot after payment, thereby preventing the vehicle from evading payment.

[0030] In this embodiment, the outer wall of the first belt 212 is coated with an anti-slip coating. The anti-slip coating is used to increase the friction between the first belt 212 and the tire, preventing slippage between the tire and the first belt 212. When the vehicle moves forward, it can increase the speed at which the vehicle passes through the gate; when the vehicle reverses, it further improves the synchronization between the first belt 212 and the tire.

[0031] In this embodiment, two ratchet wheels 213 are provided and symmetrically installed at both ends of the first roller 211 at one end of the first frame 21. When there are two ratchet wheels 213, the load on a single ratchet wheel 213 is reduced, thereby increasing the service life of a single ratchet wheel 213; at the same time, the symmetrically arranged ratchet wheels 213 can also make the force on the first roller 211 more even, thereby increasing the service life of the first roller 211.

[0032] In this embodiment, the first frame 21 is also provided with a torsion spring, which is elastically connected to the pawl 214 so that the pawl 214 abuts against the ratchet 213.

[0033] In this embodiment, the first frame 21 further includes a plurality of parallel-arranged support rollers 216, which are disposed between the first rollers 211 and abut against the inner wall of the first belt 212. The support rollers 216 support the vehicle on the first belt 212, preventing the vehicle from sinking downwards and thus preventing it from leaving the conveyor belt assembly 2. Furthermore, the support rollers 216 are free to roll, so when the first belt 212 presses against the support rollers 216, the frictional resistance of the first belt 212 during rotation is not increased, thus preventing the first belt 212 from failing to rotate with the wheels when the vehicle reverses, while simultaneously ensuring both the support effect and smooth movement of the conveyor belt assembly 2.

[0034] In this embodiment, multiple symmetrically arranged mounting seats 215 are fixed to both sides of the first frame 21. The mounting seats 215 are L-shaped, forming a mounting plate at the bottom. The mounting plate is provided with multiple adjustment grooves 2151, which extend in a direction perpendicular to the movement direction of the first belt 212. The L-shaped mounting seats 215 fully expose the adjustment grooves 2151, improving the convenience of installing and fixing the first frame 21. Since the first frame 21 is installed on the slope 1, mounting holes need to be reserved on the slope 1 during installation. The adjustment grooves 2151 are used to prevent errors in the position of the mounting holes, which could cause the first frame 21 to be unable to fit with the mounting holes, thus improving the installation convenience of the first frame 21.

[0035] Specifically, the mounting plate is also provided with a plurality of adjustment holes 2152, which are evenly distributed on the mounting plate. The adjustment holes 2152 are used to adjust the flatness of the first frame 21 relative to the ramp 1, to prevent the first frame 21 from tilting, thereby making the first frame 21 bear more even force when under load, and thus improving the service life of the first frame 21.

[0036] The blocking assembly 3 includes a second frame 31, on which a swing arm 32 is rotatably connected, and a drive unit 33 for driving the swing arm 32 to swing. The drive unit 33 is electrically connected to the gate. When the gate detects a vehicle, it sends an electrical signal to the drive unit 33. Subsequently, the drive unit 33 drives the swing arm 32 to rotate and abut against the rear wheel of the vehicle, preventing the vehicle from rolling back when starting on the slope 1 and reducing safety risks.

[0037] In this embodiment, the drive unit 33 is an electric cylinder. Compared to a hydraulic cylinder, which requires a hydraulic pump to function, an electric cylinder can be used directly by simply applying electricity, thus reducing both cost and maintenance difficulty.

[0038] In this embodiment, the angle between the swing arm 32 and the ramp 1 is in the range of 0°-90°; thus, the swing arm 32 is suitable for tires of different sizes, improving the compatibility of the swing arm 32.

[0039] In this embodiment, the swing arm 32 includes second rollers 321 respectively disposed at both ends, and a second belt 322 surrounding the second rollers 321. The second belt 322 is tractively connected to the second rollers 321 and moves synchronously with the second rollers 321. The second rollers 321 can rotate freely, thereby causing the second belt 322 to rotate with the rolling of the wheel, preventing the vehicle from overturning the blocking assembly 3 by means of friction between the wheel and the second belt 322 when it is reversing, further improving the reliability of the blocking assembly.

[0040] Specifically, the swing arm 32 further includes a blocking unit disposed between the second rollers 321, the blocking unit abutting against the inner wall of the second belt 322. The blocking unit is used to support the vehicle wheel when the swing arm 32 abuts against the wheel, improving the blocking effect of the blocking assembly 3; at the same time, it can also prevent the second belt 322 from being excessively deformed under the pressure of the wheel, thus improving the service life of the second belt 322.

[0041] In this embodiment, the blocking unit is a roller.

[0042] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. An anti-backward device for a parking lot, installed on the ramp at the parking lot exit and located inside the gate at the parking lot exit, characterized in that, It includes a conveyor belt assembly and a blocking assembly arranged sequentially from top to bottom along the slope; when a vehicle stops in front of the gate, the vehicle is located on the conveyor belt assembly; The conveyor belt assembly includes a first frame, the first frame including first rollers at both ends and a first belt surrounding the first rollers, the first belt being drivenly connected to the first rollers and moving synchronously; the first frame is also provided with a ratchet, the ratchet being connected to the first rollers and rotating synchronously; the first frame is also provided with a pawl adapted to the ratchet, the pawl being engaged with the ratchet. The blocking assembly includes a second frame, on which a rotatably connected swing arm is mounted, and a drive unit for driving the swing arm to swing, the drive unit being electrically connected to the gate.

2. The anti-backward device for a parking lot according to claim 1, characterized in that, The swing arm includes a second roller at each end and a second belt around the second roller. The second belt is connected to the second roller in a transmission manner and moves synchronously with the second roller.

3. The anti-backward device for a parking lot according to claim 2, characterized in that, The swing arm also includes a blocking unit disposed between the second rollers, the blocking unit abutting against the inner wall of the second belt.

4. The anti-backward device for a parking lot according to claim 1, characterized in that, The first frame also includes a plurality of support rollers arranged in parallel, the support rollers being disposed between the first rollers and abutting against the inner wall of the first belt.

5. The anti-backward device for a parking lot according to claim 1, characterized in that, Multiple symmetrically arranged mounting seats are fixed to both sides of the first frame. The mounting seats are L-shaped, forming a mounting plate at the bottom. The mounting plate is provided with multiple adjustment grooves, which extend in a direction perpendicular to the movement direction of the first belt.

6. The anti-backward device for a parking lot according to claim 5, characterized in that, The mounting plate is also provided with a plurality of adjustment holes, which are evenly distributed on the mounting plate.

7. The anti-backward device for a parking lot according to claim 1, characterized in that, The outer wall of the first belt is coated with an anti-slip coating.

8. The anti-backward device for a parking lot according to claim 1, characterized in that, The ratchet is provided in multiple parts and is symmetrically installed at both ends of the first roller at one end of the first frame.

9. The anti-backward device for a parking lot according to claim 1, characterized in that, The angle between the swing arm and the slope ranges from 0° to 150°.

10. The anti-backward device for a parking lot according to claim 1, characterized in that, The drive unit is an electric cylinder.

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