Lifting mechanism and parking equipment

By setting up a pressure detection unit in the lifting mechanism of the mechanical three-dimensional parking equipment, safety hazards caused by overweight vehicles are solved, and safe and reliable vehicle transportation and equipment protection are achieved.

CN223164327UActive Publication Date: 2025-07-29SHENZHEN WEICHUANG AUTOMATION EQUIP +3
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422462376.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-07-29
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

The lifting mechanism of existing mechanical three-dimensional parking equipment poses safety risks when carrying overweight vehicles, which may lead to structural components breakage and vehicle crash.

Method used

The first and second lifting point components are arranged in the lifting mechanism, and the vehicle weight is detected through the first and second pressure detection units respectively, and an alarm is issued to the user when overloaded to prevent overload and ensure safe operation.

Benefits of technology

It effectively avoids structural components and vehicle crashes caused by overweight of the vehicle, protects the safety of user property and equipment, and reduces the cost of transformation and implementation difficulties.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223164327U_ABST
    Figure CN223164327U_ABST
Patent Text Reader

Abstract

The utility model relates to a lifting mechanism and parking equipment. The lifting mechanism comprises a vehicle carrying plate, a frame; the lifting power source is arranged on the frame and matched with the vehicle carrying plates at intervals. The first lifting point assembly comprises a first movable pulley, a first driving wheel, a first steel wire rope, a first connecting assembly and a first pressure detection unit, the first driving wheel is in transmission connection with a lifting power source, one end of the first steel wire rope is fixedly arranged on the first driving wheel and wound around the first movable pulley, and the other end of the first steel wire rope is connected with the first connecting assembly. The first connecting assembly is arranged on the frame through the first pressure detection unit; the second lifting point assembly comprises a second movable pulley, a second driving wheel, a second steel wire rope, a second connecting assembly and a second pressure detection unit, the second driving wheel is in transmission connection with the lifting power source, one end of the second steel wire rope is fixedly arranged on the second driving wheel and wound around the second movable pulley, and the other end of the second steel wire rope is connected with the second connecting assembly. The second connecting assembly is arranged on the frame through the second pressure detection unit.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of parking devices, in particular to a lifting mechanism and a parking equipment. Background Art

[0002] The problem of nowhere to park vehicles is the result of the development of urban society, economy and transportation to a certain extent, which seriously affects people's life convenience and happiness, and poses a huge challenge to the orderly and safe management of the city. The advent of three-dimensional parking equipment has well solved the problem of parking difficulty.

[0003] The mechanical three-dimensional parking equipment is a relatively common type at present. During operation, the lifting mechanism carries the vehicle from the parking entrance to the parking space or from the lifting space to the parking exit. However, there is a design limit value for the load-bearing capacity of the lifting mechanism. If the weight of the vehicle exceeds the limit load of the lifting mechanism, structural component fractures and vehicle crashes will occur, resulting in property losses of users and damage to the three-dimensional parking equipment. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lifting mechanism and a parking equipment, which are used to solve the problem of potential safety hazards caused by overweight parking.

[0005] According to one aspect of the utility model, a lifting mechanism is provided, which includes:

[0006] A car carrier plate;

[0007] A frame;

[0008] A lifting power source, which is arranged on the frame and arranged in an interval cooperation with the car carrier plate;

[0009] A first lifting suspension point assembly, which includes a first movable pulley, a first driving wheel, a first steel wire rope, a first connection assembly and a first pressure detection unit. The first movable pulley is rotatably arranged on one side of the car carrier plate, the first driving wheel is rotatably arranged on the frame and is in transmission connection with the lifting power source, one end of the first steel wire rope is fixed on the first driving wheel and wound around the first movable pulley, the other end of the first steel wire rope is connected with the first connection assembly, and the first connection assembly is arranged on the frame through the first pressure detection unit; and

[0010] The second lifting point assembly includes a second movable pulley, a second driving wheel, a second steel wire rope, a second connecting assembly and a second pressure detection unit. The second movable pulley is rotatably arranged on the other side of the vehicle loading plate, and the second driving wheel is rotatably arranged on the frame and is connected to the lifting power source. One end of the second steel wire rope is fixed to the second driving wheel and wrapped around the second movable pulley. The other end of the second steel wire rope is connected to the second connecting assembly, and the second connecting assembly is arranged on the frame through the second pressure detection unit.

[0011] In one embodiment, the frame is provided with a first bracket, the first bracket is provided with a first through hole, the first connecting assembly includes a first screw and a first nut, the first pressure detection unit includes a first pressure plate and a first pressure sensor, the first pressure sensor is arranged on the first bracket, the first pressure plate is connected to the first pressure sensor, the first screw is fixed to the first pressure plate and can be movably passed through the first through hole, one end of the first screw is connected to the first steel wire rope, the other end of the first screw is threadedly connected to the first nut, and the first nut is crimped on the side of the first pressure plate facing away from the first bracket.

[0012] In one embodiment, the first connecting assembly includes a first adjusting spring, which is sleeved on the outside of the first screw, and one end of the first adjusting spring abuts against the first pressure plate, and the other end of the first adjusting spring abuts against the first nut.

[0013] In one embodiment, the first pressure detection unit further includes a first fastening member, the first pressure sensor is provided with a first fastening hole, and the first fastening member is disposed on the first pressure plate and passed through the first fastening hole for fixation.

[0014] In one embodiment, the frame is provided with a second bracket, the second bracket is provided with a second through hole, the second connecting assembly includes a second screw and a second nut, the second pressure detection unit includes a second pressure plate and a second pressure sensor, the second pressure sensor is arranged on the second bracket, the second pressure plate is connected to the second pressure sensor, the second screw is fixed to the second pressure plate and can be movably passed through the second through hole, one end of the second screw is connected to the second steel wire rope, the other end of the second screw is threadedly connected to the second nut, and the second nut is crimped on the side of the second pressure plate facing away from the second bracket.

[0015] In one embodiment, the second connecting component includes a second adjusting spring sleeved outside the second screw rod, with one end of the second adjusting spring abutted against the second pressing plate and the other end abutted against the second nut.

[0016] In one embodiment, the second pressure detection unit further includes a second fastener. The second pressure sensor is provided with a second fastening hole, and the second fastener is arranged on the second pressing plate and fixed by passing through the second fastening hole.

[0017] On the other hand, the present application also provides a parking device, which includes the lifting mechanism as described above.

[0018] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0019] The lifting mechanism of this solution is applied in a parking device. After the vehicle to be parked drives onto the car carrier plate, the weight of the vehicle will be transmitted to the first pressure detection unit through the first steel wire rope and the first connecting component. At the same time, the weight will be transmitted to the second pressure detection unit through the second steel wire rope and the second connecting component. By adding up the measurement values of the first pressure detection unit and the second pressure detection unit, the weight value of the vehicle can be obtained, that is, the load acting on the lifting mechanism. When the weight value of the vehicle exceeds the limit load of the lifting mechanism, the first pressure detection unit and the second pressure detection unit will send signals to the control system for alarm prompts, reminding the user to drive the vehicle out of the lifting mechanism, so as to timely and effectively eliminate the accident of structural component fracture and vehicle crash caused by the vehicle weight exceeding the limit load of the lifting mechanism, resulting in user property losses and damage to the multi-story parking equipment. When the weight of the vehicle does not exceed the limit load of the lifting mechanism, the lifting power source will drive the first steel wire rope and the second steel wire rope to drive the car carrier plate to carry the vehicle up or down through the first movable pulley and the second movable pulley to achieve vehicle parking. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 It is a top view structural schematic diagram of the lifting mechanism of an embodiment;

[0022] Figure 2 It is a front view structural schematic diagram of the first lifting suspension point component;

[0023] Figure 3 It is a front view structural schematic diagram of the second lifting point assembly;

[0024] Figure 4 is Figure 2 The partial enlarged structure diagram at position A in

[0025] Among them:

[0026] 100. Lifting mechanism; 10. Carrier board; 20. Frame; 21. First bracket; 211. First through hole; 22. Second bracket; 30. First lifting point assembly; 31. First movable pulley; 32. First driving wheel; 33. First steel wire rope; 34. First connection assembly; 341. First screw; 342. First nut; 35. First pressure detection unit; 351. First pressing plate; 352. First pressure sensor; 353. First adjusting spring; 354. First fastener; 40. Second lifting point assembly; 41. Second movable pulley; 42. Second driving wheel; 43. Second steel wire rope; 44. Second connection assembly; 45. Second pressure detection unit. Specific embodiments

[0027] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the understanding of the disclosure of the present invention is more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0030] Please refer to Figures 1-4, a lifting mechanism 100 according to an embodiment, which includes a car carrier plate 10; a frame 20; a lifting power source, the lifting power source is arranged on the frame 20 and is arranged in an interval cooperation with the car carrier plate 10; a first lifting suspension point assembly 30, the first lifting suspension point assembly 30 includes a first movable pulley 31, a first driving pulley 32, a first steel wire rope 33, a first connection assembly 34 and a first pressure detection unit 35, the first movable pulley 31 is rotatably arranged on one side of the car carrier plate 10, the first driving pulley 32 is rotatably arranged on the frame 20 and is in transmission connection with the lifting power source, one end of the first steel wire rope 33 is fixed on the first driving pulley 32 and is wound around the first movable pulley 31, the other end of the first steel wire rope 33 is connected with the first connection assembly 34, and the first connection assembly 34 is arranged on the frame 20 through the first pressure detection unit 35; and a second lifting suspension point assembly 40, the second lifting suspension point assembly 40 includes a second movable pulley 41, a second driving pulley 42, a second steel wire rope 43, a second connection assembly 44 and a second pressure detection unit 45, the second movable pulley 41 is rotatably arranged on the other side of the car carrier plate 10, the second driving pulley 42 is rotatably arranged on the frame 20 and is in transmission connection with the lifting power source, one end of the second steel wire rope 43 is fixed on the second driving pulley 42 and is wound around the second movable pulley 41, the other end of the second steel wire rope 43 is connected with the second connection assembly 44, and the second connection assembly 44 is arranged on the frame 20 through the second pressure detection unit 45.

[0031] Among them, the frame 20 is the load-bearing main body of the lifting mechanism 100, and is used for loading and fixing the lifting power source, the car carrier plate 10, the first lifting suspension point assembly 30 and the second lifting suspension point assembly 40. For example, the frame 20 is formed by splicing or welding metal components such as channel steel, and has a simple structure, high strength, easy manufacturing and good durability.

[0032] The lifting power source is used to output the moving force of rising or falling to the car carrier plate 10. For example, the lifting power source can be a winch or the like.

[0033] The car carrier plate 10 is mainly used for carrying the vehicle to be parked, that is, the vehicle to be parked drives onto the car carrier plate 10, and the car carrier plate 10 carries the vehicle to move in the space constructed inside the parking equipment, so as to transfer the vehicle to an empty parking space for parking. For example, the car carrier plate 10 can be a single metal plate or assembled by a frame 20 and a plate member.

[0034] Furthermore, the upper surface of the car carrier plate 10 is a bearing surface, and a limiting mechanism is arranged on the bearing surface. The limiting mechanism can automatically lock the wheels of the vehicle staying on the bearing surface, thereby realizing the limitation of the whole vehicle and ensuring that the vehicle can be parked more stably on the car carrier plate 10, avoiding the vehicle from shifting or even falling off the car carrier plate 10 due to vibration, tilting of the car carrier plate 10, etc. For example, the limiting mechanism can be an electric lock or the like.

[0035] Implementing the embodiments of the present utility model will have the following beneficial effects: The lifting mechanism 100 of this solution is applied in a parking device. After the vehicle to be parked drives onto the car carrier 10, the weight of the vehicle will be transmitted to the first pressure detection unit 35 through the first steel wire rope 33 and the first connection assembly 34. At the same time, the weight will be transmitted to the second pressure detection unit 45 through the second steel wire rope 43 and the second connection assembly 44. By adding up the measured values of the first pressure detection unit 35 and the second pressure detection unit 45, the weight value of the vehicle can be obtained, that is, the load acting on the lifting mechanism 100. When the weight value of the vehicle exceeds the limit load of the lifting mechanism 100, the first pressure detection unit 35 and the second pressure detection unit 45 will feedback signals to the control system to give an alarm prompt, reminding the user to drive the vehicle out of the lifting mechanism 100, so as to effectively eliminate in time the accident of structural component fracture and vehicle crash caused by the vehicle weight exceeding the limit load of the lifting mechanism 100, resulting in property losses of the user and damage to the multi-storey parking equipment. When the weight of the vehicle does not exceed the limit load of the lifting mechanism 100, the lifting power source will drive the first steel wire rope 33 and the second steel wire rope 43 to drive the car carrier 10 to carry the vehicle to rise or fall through the first movable pulley 31 and the second movable pulley 41, so as to realize vehicle parking.

[0036] Please refer to Figure 2 and Figure 4 , in one of the embodiments, the frame 20 is provided with a first bracket 21. The first bracket 21 is provided with a first through hole 211. The first connection assembly 34 includes a first screw 341 and a first nut 342. The first pressure detection unit 35 includes a first pressing plate 351 and a first pressure sensor 352. The first pressure sensor 352 is disposed on the first bracket 21. The first pressing plate 351 is connected to the first pressure sensor 352. The first screw 341 is fixed on the first pressing plate 351 and is movably disposed through the first through hole 211. One end of the first screw 341 is connected to the first steel wire rope 33, and the other end of the first screw 341 is screwed to the first nut 342. The first nut 342 is pressed against the side surface of the first pressing plate 351 facing away from the first bracket 21.

[0037] Specifically, the first bracket 21 is erected on the upper surface of the frame 20 and is located on one side in the length direction of the frame 20. The first bracket 21 is used for assembling and cooperating with the first connection assembly 34 and the first pressure detection unit 35. By screwing the first nut 342 with the first screw 341, the first screw 341 can not only be fixedly connected to the first pressing plate 351, but also can move up and down relative to the first bracket 21 through the first through hole 211. Therefore, when the vehicle drives onto the car carrier 10, the weight of the vehicle will be transmitted to the first pressure sensor 352 through the first steel wire rope 33, the first screw 341 and the first pressing plate 351, and the first pressure sensor 352 can detect the weight value of the vehicle. This measurement structure is simple, and the first pressing plate 351 and the first pressure sensor 352 can be quickly and conveniently installed on the existing lifting mechanism 100 without much structural improvement to the existing lifting mechanism 100, greatly reducing the implementation difficulty of installing a weighing device for the lifting mechanism 100 with an old structure and significantly reducing the transformation cost.

[0038] Please refer to Figure 4 Furthermore, the first connection assembly 34 includes a first adjusting spring 353. The first adjusting spring 353 is sleeved outside the first screw 341, and one end of the first adjusting spring 353 abuts against the first pressing plate 351, and the other end of the first adjusting spring 353 abuts against the first nut 342. During installation, by adjusting the tightening degree of the first nut 342, the pressure applied to the first adjusting spring 353 can be adjusted, the elastic deformation amount of the first adjusting spring 353 can be controlled, and further the pressure applied by the first adjusting spring 353 to the first pressing plate 351 can be adjusted to control the first pressing plate 351 to just contact the first pressure sensor 352 while avoiding the first pressing plate 351 applying pressure to the first pressure sensor 352 and affecting the detection result accuracy of the first pressure sensor 352; in addition, the first adjusting spring 353 also has a buffering and protective effect. When the vehicle just drives onto the car carrier 10, the impact force generated on the lifting mechanism 100 can be absorbed through the compression deformation of the first adjusting spring 353 to protect the structural safety of the lifting mechanism 100.

[0039] In one embodiment, the first pressure detection unit 35 further includes a first fastener 354. The first pressure sensor 352 is provided with a first fastening hole, and the first fastener 354 is arranged on the first pressing plate 351 and fixed by passing through the first fastening hole. The first fastener 354 can assemble the first pressing plate 351 and the first pressure sensor 352 into one body, reducing the number of parts and facilitating the installation of the first pressure detection unit 35.

[0040] It should be noted that the first fastener 354 is a bolt, and the first fastening hole is a threaded hole. The length of the bolt screwed into the threaded hole is less than the depth of the threaded hole, so as to leave a safety gap between the end of the bolt and the first bracket 21, preventing the bolt from abutting and interfering with the first bracket 21 and affecting the normal detection operation of the first pressure sensor 352.

[0041] Similarly, in another embodiment, the frame 20 is provided with a second bracket 22. The second bracket 22 is provided with a second through hole. The second connection assembly 44 includes a second screw rod and a second nut. The second pressure detection unit 45 includes a second pressing plate and a second pressure sensor. The second pressure sensor is disposed on the second bracket 22. The second pressing plate is connected to the second pressure sensor. The second screw rod is fixed on the second pressing plate and movably passes through the second through hole. One end of the second screw rod is connected to the second steel wire rope 43, and the other end of the second screw rod is screwed to the second nut. The second nut is pressed against the side of the second pressing plate facing away from the second bracket 22. Specifically, the second bracket 22 is erected on the upper surface of the frame 20 and is located on the other side in the length direction of the frame 20. The second bracket 22 is used for assembling and cooperating with the second connection assembly 44 and the second pressure detection unit 45. By screwing the second nut with the second screw rod, the second screw rod can not only be connected and fixed to the second pressing plate, but also can move up and down relative to the second bracket 22 by means of the second through hole. Therefore, when the vehicle drives onto the car carrier 10, the weight of the vehicle will be transmitted to the second pressure sensor through the second steel wire rope 43, the second screw rod and the second pressing plate, and the second pressure sensor can detect the weight value of the vehicle. The measurement structure is simple, and the second pressing plate and the second pressure sensor can be quickly and conveniently installed on the existing lifting mechanism 100 without too much structural improvement to the existing lifting mechanism 100, greatly reducing the implementation difficulty of installing a weighing device for the lifting mechanism 100 with an old structure and significantly reducing the transformation cost.

[0042] It should be noted that the first steel wire rope 33 and the second steel wire rope 43 can be different length segments of the same steel wire rope or two independent steel wire ropes.

[0043] Further, the second connection component 44 includes a second adjusting spring sleeved outside the second screw rod. One end of the second adjusting spring abuts against the second pressing plate, and the other end of the second adjusting spring abuts against the second nut. During installation, by adjusting the tightening degree of the second nut, the pressure applied to the second adjusting spring can be adjusted, the elastic deformation amount of the second adjusting spring can be controlled, and further the pressure applied by the second adjusting spring to the second pressing plate can be adjusted to control the second pressing plate to just contact the second pressure sensor while avoiding the second pressing plate applying pressure to the second pressure sensor and affecting the detection result accuracy of the second pressure sensor. In addition, the second adjusting spring also has a buffering and protective effect. When the vehicle just drives onto the car carrier 10, the impact force generated on the lifting mechanism 100 can be absorbed through the compression deformation of the second adjusting spring to protect the structural safety of the lifting mechanism 100.

[0044] In one of the embodiments, the second pressure detection unit 45 further includes a second fastener. The second pressure sensor is provided with a second fastening hole, and the second fastener is arranged on the second pressing plate and fixed by passing through the second fastening hole. The second fastener can assemble the second pressing plate and the second pressure sensor into one body, reduce the number of parts, and facilitate the installation of the second pressure detection unit 45.

[0045] It should be noted that the second fastener uses a bolt, the second fastening hole uses a threaded hole, and the length of the bolt screwed into the threaded hole is less than the depth of the threaded hole, so that a safety gap is left between the end of the bolt and the second bracket 22 to prevent the bolt from abutting and interfering with the second bracket 22 and affecting the normal detection operation of the second pressure sensor.

[0046] On the other hand, the present application also provides a parking device, which includes the lifting mechanism 100 as described above. Specifically, the parking device is specifically a mechanical multi-storey parking garage.

[0047] The above embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent application. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A lifting mechanism, characterized in that, include: Carriage plate; frame; A lifting power source, the lifting power source is arranged on the frame and spaced apart from the vehicle loading plate; a first lifting point assembly, the first lifting point assembly comprising a first movable pulley, a first driving wheel, a first steel wire rope, a first connecting assembly and a first pressure detection unit, the first movable pulley being rotatably disposed on one side of the vehicle loading plate, the first driving wheel being rotatably disposed on the frame and being transmission-connected to the lifting power source, one end of the first steel wire rope being fixed to the first driving wheel and wound around the first movable pulley, the other end of the first steel wire rope being connected to the first connecting assembly, and the first connecting assembly being disposed on the frame via the first pressure detection unit; as well as The second lifting point assembly includes a second movable pulley, a second driving wheel, a second steel wire rope, a second connecting assembly and a second pressure detection unit. The second movable pulley is rotatably arranged on the other side of the vehicle loading plate, and the second driving wheel is rotatably arranged on the frame and is connected to the lifting power source. One end of the second steel wire rope is fixed to the second driving wheel and wrapped around the second movable pulley. The other end of the second steel wire rope is connected to the second connecting assembly, and the second connecting assembly is arranged on the frame through the second pressure detection unit.

2. The lifting mechanism according to claim 1, wherein The frame is provided with a first bracket, the first bracket is provided with a first through hole, the first connecting assembly includes a first screw and a first nut, the first pressure detection unit includes a first pressure plate and a first pressure sensor, the first pressure sensor is arranged on the first bracket, the first pressure plate is connected to the first pressure sensor, the first screw is fixed to the first pressure plate and can be movably passed through the first through hole, one end of the first screw is connected to the first steel wire rope, and the other end of the first screw is threadedly connected to the first nut, and the first nut is crimped on the side of the first pressure plate facing away from the first bracket.

3. The lifting mechanism according to claim 2, characterized in that: The first connecting assembly includes a first adjusting spring, which is sleeved on the outside of the first screw rod, and one end of the first adjusting spring abuts against the first pressure plate, and the other end of the first adjusting spring abuts against the first nut.

4. The lifting mechanism according to claim 2, characterized in that, The first pressure detection unit further includes a first fastening member. The first pressure sensor is provided with a first fastening hole. The first fastening member is arranged on the first pressure plate and passed through the first fastening hole for fixation.

5. The lifting mechanism according to claim 1, characterized in that The frame is provided with a second bracket, the second bracket is provided with a second through hole, the second connecting assembly includes a second screw and a second nut, the second pressure detection unit includes a second pressure plate and a second pressure sensor, the second pressure sensor is arranged on the second bracket, the second pressure plate is connected to the second pressure sensor, the second screw is fixed to the second pressure plate and can be movably passed through the second through hole, one end of the second screw is connected to the second steel wire rope, and the other end of the second screw is threadedly connected to the second nut, and the second nut is crimped on the side of the second pressure plate facing away from the second bracket.

6. The lifting mechanism according to claim 5, characterized in that, The second connection component includes a second adjusting spring, the second adjusting spring is sleeved outside the second screw rod, and one end of the second adjusting spring abuts against the second pressing plate, and the other end of the second adjusting spring abuts against the second nut.

7. The lifting mechanism according to claim 5, characterized in that, The second pressure detection unit further includes a second fastener, the second pressure sensor is provided with a second fastening hole, and the second fastener is arranged on the second pressing plate and fixed by passing through the second fastening hole.

8. A parking device, characterized in that, It includes a lifting mechanism according to any one of claims 1 to 7.