Safety protection structure for lifting garage

Abstract

The safety protection structure for the lifting garage comprises two supporting frames, a lifting plate is arranged between the two supporting frames, and the lifting plate is in sliding connection with the supporting frames on the left side and the right side; a lifting mechanism is arranged on the supporting frame and used for driving the lifting plate to move up and down. A lock catch mechanism is arranged on the lifting plate and is used for locking the lifting plate on the support frame; a detection mechanism is arranged on the lifting plate and is used for detecting whether an automobile on the lifting plate is parked at a safe position or not; a driving mechanism is arranged on the lifting plate and is used for driving the locking mechanism to unlock when the detection mechanism detects that the automobile is parked at the safe position; the device can be normally used only when the automobile is parked at the safe position on the lifting plate, and the problem that the automobile is scratched and collided in the lifting process due to the fact that the automobile is parked obliquely can be effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of lift garages, in particular to a safety protection structure for lift garages. Background Art

[0002] As the number of cars in society gradually increases, the pressure of parking in cities will gradually increase. In order to solve the problem of tight parking spaces, some parking lots will build three-dimensional lift garages. By setting up a lift platform that can be raised and lowered, the car can be brought to different parking floors. After the car reaches the floor, it can directly drive out of the lift platform.

[0003] After the car is parked on the lifting platform, if the car is parked crookedly and part of the car body is aligned with the edge of the lifting platform or exceeds the edge of the lifting platform, the car is prone to scratches and collisions when the lifting platform drives the car up and down, causing damage to the entire equipment and the car. At the same time, if the car is parked crookedly on the lifting platform, due to the heavy weight of the car, the lifting platform will be unevenly stressed, resulting in greater wear and tear during the operation of the entire equipment. Summary of the invention

[0004] The object of the present invention is to provide a safety protection structure for a lift garage to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a safety protection structure for a lifting garage, comprising two support frames, a lifting plate is provided between the two support frames, and the lifting plate is slidably connected to the support frames on the left and right sides; a lifting mechanism is provided on the support frame, and the lifting mechanism is used to drive the lifting plate to move up and down; a locking mechanism is provided on the lifting plate, and the locking mechanism is used to lock the lifting plate to the support frame; a detection mechanism is provided on the lifting plate, and the detection mechanism is used to detect whether the car on the lifting plate is parked in a safe position; a driving mechanism is provided on the lifting plate, and the driving mechanism is used to drive the locking mechanism to unlock when the detection mechanism detects that the car is parked in a safe position.

[0006] The locking mechanism includes two locking blocks, which are located at the left and right sides of the bottom of the lifting plate and are slidably connected to the lifting plate; a plurality of locking grooves are provided on the support frame, and the locking blocks are gap-matched with the locking grooves; a control mechanism is provided on the lifting plate, and the control mechanism is used to control the locking blocks to insert and disengage from the locking grooves.

[0007] The control mechanism includes a rotating block, which is located in the middle of the bottom of the lifting plate and is rotatably connected to the lifting plate; two first connecting rods are rotatably connected to the rotating block, and the two first connecting rods are distributed in a circular array on the rotating block; the other ends of the first connecting rods on the left and right sides are rotatably connected to the locking blocks on the left and right sides respectively; a power mechanism is provided on the rotating block, and the power mechanism is used to provide rotational power to the rotating block.

[0008] The power mechanism includes two first springs, which are symmetrically distributed on the left and right sides of the rotating block; the two ends of the first springs on the left and right sides are respectively fixedly connected to the locking blocks and the lifting plates on the left and right sides; four first gear rods are fixedly connected to the bottom end of the rotating block, and a second gear rod is provided at the bottom of the rotating block in the clockwise rotation direction of the gear rod, the first gear rod is fixedly connected to the rotating block and the first gear rod and the second gear rod are fitted; the second gear rod is slidably connected to the lifting plate; a reset mechanism is provided at the bottom of the rotating block, and the reset mechanism is used to drive the locking block to extend out and insert into the lock slot.

[0009] The reset mechanism includes a first one-way bearing, which is fixedly connected to the rotating block and a first gear is fixedly connected to the bottom end of the first one-way bearing, two first racks are arranged in a circumferential array around the first gear, the two first racks are meshed with the first gear and the two first racks are slidably connected to the lifting plate; a second one-way bearing is fixedly connected to the bottom end of the first gear, a second gear is fixedly connected to the bottom end of the second one-way bearing, two second racks are arranged in a circumferential array around the second gear, the two second racks are meshed with the second gear and the two second racks are slidably connected to the lifting plate; two The first rack is parallel to the second gear rods at the left front and right rear respectively, and the two second racks are parallel to the second gear rods at the left rear and right front respectively; the first rack and the second rack are fixedly connected with a second spring, and the other end of the second spring is fixedly connected to the lifting plate; the second gear rod is fixedly connected with a push plate at one end away from the rotating block; the first rack is fixedly connected with a push rod at one end away from the first gear and the second rack is fixedly connected with a push rod at one end away from the second gear, the push rod on the first gear fits with the push plates at the left front and right rear, and the push rod on the second gear fits with the push plates at the left rear and right front.

[0010] The detection mechanism includes four detection slots, which are opened at four corners of the lifting plate; a pressure plate is provided in the detection slot, and the pressure plate is slidably connected to the detection slot; a detection block is provided above the pressure plate; a third spring is fixedly connected to the bottom end of the pressure plate, and the bottom end of the third spring is fixedly connected to the lifting plate.

[0011] A support plate is provided in the detection groove above the pressure plate, the support plate is fixedly connected to the inner wall of the detection groove and a plurality of slide grooves are provided on the support plate; a plurality of detection blocks are provided in the detection groove and the number is equal to the slide grooves; the detection block is fitted with the support plate and the detection block is slidably connected to the slide grooves; a cylinder is fixedly connected to the bottom end of the detection block, and the bottom end part of the cylinder is slidably connected to the pressure plate up and down.

[0012] The driving mechanism comprises four connecting blocks, and the four connecting blocks are fixedly connected to the bottom end parts of four pressure plates respectively; a second connecting rod is rotatably connected to the connecting block, and the other end of the second connecting rod is rotatably connected to the push plate.

[0013] The lifting mechanism includes four motors, the two motors on the left are fixedly connected to the left support frame, and the two motors on the right are fixedly connected to the right support frame; a pull rope is fixedly connected to the motor output shaft and the pull rope is wound around the motor output shaft, and the bottom end of the pull rope is fixedly connected to the lifting plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention detects whether the car is parked in a safe position on the lifting platform through a detection mechanism; if the car is not parked in a safe position, the driving mechanism will drive the locking mechanism to lock the lifting platform, and the lifting platform cannot be lifted or lowered at this time, thereby effectively avoiding the problem of scratches and collisions of the car during the lifting process caused by the car being parked crookedly; when the driver adjusts the car to a safe position and parks it, the detection mechanism detects that the car is in a safe position, and the driving mechanism drives the locking mechanism to unlock, and the lifting mechanism is started at this time, and the lifting mechanism will drive the lifting platform to rise or fall; the device can be used normally only when the car is parked in a safe position on the lifting platform, which can effectively avoid the problem of scratches and collisions of the car during the lifting process caused by the car being parked crookedly.

[0016] 2. The present invention drives the corresponding cylinders in the four detection grooves to operate according to the model of the car, and the cylinder drives the detection block to slide upward in the slide groove to the uppermost position, at which time the detection block protrudes on the surface of the lifting plate; when the car moves to a safe position on the lifting plate, the four wheels of the car will press the four detection blocks downward, and the detection blocks will transfer the pressure to the pressure plate through the cylinder, and the pressure plate will move downward; when the pressure plate moves downward, it drives the connecting block downward, and when the connecting block moves downward, it drives the second gear rod corresponding to it to move in the direction away from the rotating block through the second connecting rod connected to it; only after all the four second gear rods are disengaged from the four first gear rods, can the locking block be disengaged from the locking groove, and the lifting plate can move up and down normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure in the present invention when viewed from above;

[0019] Figure 3 It is a schematic diagram of the split structure of the present invention;

[0020] Figure 4 It is a bottom view structural schematic diagram of the lifting plate in the present invention;

[0021] Figure 5 It is a schematic diagram of the split structure of the lifting plate in the present invention;

[0022] Figure 6 It is a structural schematic diagram of the control mechanism in the present invention;

[0023] Figure 7 It is a structural schematic diagram of the reset mechanism in the present invention;

[0024] Figure 8 It is a structural schematic diagram of the detection mechanism in the present invention.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Support frame; 2. Lifting plate; 3. Lock block; 4. Lock slot; 5. Rotating block; 6. First connecting rod; 7. First spring; 8. First shift rod; 9. Second shift rod; 10. First one-way bearing; 11. First gear; 12. First rack; 13. Second one-way bearing; 14. Second gear; 15. Second rack; 16. Second spring; 17. Push rod; 18. Detection slot; 19. Pressure plate; 20. Detection block; 21. Third spring; 22. Support plate; 23. Slide slot; 24. Cylinder; 25. Connecting block; 26. Second connecting rod; 27. Push plate; 28. Motor; 29. ​​Pull rope. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 8The present invention provides a technical solution: a safety protection structure for a lifting garage, comprising two support frames 1, a lifting plate 2 is arranged between the two support frames 1, and the lifting plate 2 is slidably connected to the support frames 1 on the left and right sides; a lifting mechanism is arranged on the support frame 1, and the lifting mechanism is used to drive the lifting plate 2 to move up and down; a locking mechanism is arranged on the lifting plate 2, and the locking mechanism is used to lock the lifting plate 2 on the support frame 1; a detection mechanism is arranged on the lifting plate 2, and the detection mechanism is used to detect whether the car on the lifting plate 2 is parked in a safe position; a driving mechanism is arranged on the lifting plate 2, and the driving mechanism is used to drive the locking mechanism to unlock when the detection mechanism detects that the car is parked in a safe position;

[0029] During operation, when the car needs to be parked in the stereoscopic garage, the driver needs to drive the car onto the lifting platform 2. The detection mechanism located on the lifting platform 2 will detect whether the car is parked in a safe position; if the car is not parked in a safe position, the driving mechanism will drive the locking mechanism to lock the lifting platform 2, and the lifting platform 2 cannot be lifted at this time, thereby effectively avoiding the problem of scratches and collisions of the car during the lifting process due to the crooked parking of the car; when the driver adjusts the car to a safe position and parks it, the detection mechanism detects that the car is in a safe position, and the driving mechanism drives the locking mechanism to unlock, and the lifting mechanism is started at this time, and the lifting mechanism will drive the lifting platform 2 to rise or fall; the device can only be used normally when the car is parked in a safe position on the lifting platform 2, which can effectively avoid the problem of scratches and collisions of the car during the lifting process due to the crooked parking of the car.

[0030] like Figure 3 As shown, as a further solution of the present invention, the locking mechanism includes two locking blocks 3, the two locking blocks 3 are located at the left and right sides of the bottom of the lifting plate 2, and the two locking blocks 3 are slidably connected to the lifting plate 2; a plurality of locking grooves 4 are provided on the support frame 1, and the locking blocks 3 are clearance-matched with the locking grooves 4; a control mechanism is provided on the lifting plate 2, and the control mechanism is used to control the locking blocks 3 to be inserted into and out of the locking grooves 4;

[0031] During operation, when the two locking blocks 3 are inserted into the two locking grooves 4, the lifting plate 2 cannot move up and down; when the two locking blocks 3 are disengaged from the locking grooves 4, the lifting plate 2 can move up and down normally.

[0032] like Figure 4-6 As shown, as a further solution of the present invention, the control mechanism includes a rotating block 5, which is located at the middle position of the bottom of the lifting plate 2 and is rotatably connected to the lifting plate 2; the rotating block 5 is rotatably connected to two first connecting rods 6, and the two first connecting rods 6 are distributed on the rotating block 5 in a circular array; the other ends of the first connecting rods 6 on the left and right sides are rotatably connected to the locking blocks 3 on the left and right sides respectively; the rotating block 5 is provided with a power mechanism, which is used to provide power for the rotating block 5 to rotate;

[0033] The power mechanism includes two first springs 7, which are symmetrically distributed on the left and right sides of the rotating block 5; the two ends of the first springs 7 on the left and right sides are fixedly connected to the locking blocks 3 and the lifting plate 2 on the left and right sides respectively; four first gear rods 8 are fixedly connected to the bottom of the rotating block 5, and a second gear rod 9 is provided at the bottom of the rotating block 5 in the clockwise rotation direction of the gear rod, the first gear rod 8 is fixedly connected to the rotating block 5, and the first gear rod 8 and the second gear rod 9 are fitted; the second gear rod 9 is slidably connected to the lifting plate 2; a reset mechanism is provided at the bottom of the rotating block 5, and the reset mechanism is used to drive the locking block 3 to extend and insert into the lock slot 4;

[0034] During operation, when it is necessary to drive the locking block 3 to disengage from the locking slot 4, the four second gear rods 9 are driven to slide in the direction away from the rotating block 5. When the second gear rod 9 slides to a position disengaged from the first gear rod 8, the rotating block 5 can rotate clockwise normally. Under the action of the first spring 7, the locking blocks 3 on the left and right sides move to positions close to each other. When moving, the locking block 3 drives the rotating block 5 to rotate clockwise through the first connecting rod 6.

[0035] like Figure 4-5 , Figure 7 As shown, as a further solution of the present invention, the reset mechanism includes a first one-way bearing 10, the first one-way bearing 10 is fixedly connected to the rotating block 5 and the bottom end of the first one-way bearing 10 is fixedly connected to a first gear 11, two first racks 12 are distributed in a circumferential array around the first gear 11, the two first racks 12 are meshed with the first gear 11 and the two first racks 12 are slidably connected to the lifting plate 2; a second one-way bearing 13 is fixedly connected to the bottom end of the first gear 11, a second one-way bearing 13 is fixedly connected to the bottom end of the second gear 14, two second racks 15 are distributed in a circumferential array around the second gear 14, the two second racks 15 are meshed with the second gear 14 and the two second racks 15 are slidably connected to the lifting plate 2. 2 sliding connection; the two first racks 12 are parallel to the second gear rods 9 at the left front and right rear, respectively, and the two second racks 15 are parallel to the second gear rods 9 at the left rear and right front, respectively; the first rack 12 and the second rack 15 are fixedly connected with the second spring 16, and the other end of the second spring 16 is fixedly connected with the lifting plate 2; the end of the second gear rod 9 away from the rotating block 5 is fixedly connected with the push plate 27; the end of the first rack 12 away from the first gear 11 and the end of the second rack 15 away from the second gear 14 are fixedly connected with the push rod 17, the push rod 17 on the first gear 11 is in contact with the push plates 27 at the left front and right rear, and the push rod 17 on the second gear 14 is in contact with the push plates 27 at the left rear and right front;

[0036] When working, when the four second gear bars 9 are disengaged from the four first gear bars 8, the locking blocks 3 on the left and right sides move to the positions close to each other under the action of the first spring 7, and at this time the locking blocks 3 are disengaged from the locking groove 4; when it is necessary to drive the locking block 3 to be inserted into the locking groove 4 again, the four push plates 27 are driven to move to the position close to the rotating block 5 at the same time; when the push plate 27 moves, it will drive the second gear bar 9 and the push rod 17 that is in contact with the push plate 27 to move, and the push rod 17 will drive the first rack 12 or the second rack 15 connected thereto to move; when the two first racks 12 and the two second racks 15 move, the first gear 11 and the second gear 14 will respectively drive the rotating block 5 to rotate through the first one-way bearing 10 and the second one-way bearing 13, and the rotating block 5 will drive the locking blocks 3 on the left and right sides to move to the left or right respectively through the first connecting rod 6, and at the same time, the rotating block 5 will also drive the four first gear bars 8 connected thereto to move; when the first gear bar 8 passes over the second gear bar 9 corresponding thereto, At this time, as the push rod 17 continues to move, the first gear rod 8 will slowly move to the position where it can block the second gear rod 9; when the first gear rod 8 moves to the position where it can block the second gear rod 9, the first rack 12 and the second rack 15 are disengaged from the first gear 11 and the second gear 14 respectively, and the rotating block 5 will automatically reverse under the action of the two first springs 7, and when the first gear rod 8 on the rotating block 5 moves to the position where it is in contact with the second gear rod 9, the rotating block 5 will stop reversing; when the second gear rod 9 slides out of the first gear rod 8, under the action of the second spring 16, the first rack 12 and the second rack 15 will also move with the push plate 27, and when the first rack 12 and the second rack 15 move to the position where they are in contact with the first gear 11 and the second gear 14, at this time, under the action of the first one-way bearing 10 and the second one-way bearing 13, the first gear 11 and the second gear 14 can rotate normally, and the first rack 12 and the second rack 15 can therefore move normally with the push plate 27.

[0037] like Figure 6 , Figure 8 As shown, as a further solution of the present invention, the detection mechanism includes four detection slots 18, and the four detection slots 18 are opened at four corners of the lifting plate 2; a pressure plate 19 is provided in the detection slot 18, and the pressure plate 19 is slidably connected to the detection slot 18; a detection block 20 is provided above the pressure plate 19; a third spring 21 is fixedly connected to the bottom end of the pressure plate 19, and the bottom end of the third spring 21 is fixedly connected to the lifting plate 2;

[0038] A support plate 22 is provided in the detection groove 18 above the pressure plate 19, the support plate 22 is fixedly connected to the inner wall of the detection groove 18 and a plurality of slide grooves 23 are provided on the support plate 22; a plurality of detection blocks 20 are provided in the detection groove 18 and the number is equal to the slide grooves 23; the detection block 20 is fitted with the support plate 22 and the detection block 20 is slidably connected to the slide grooves 23; a cylinder 24 is fixedly connected to the bottom end of the detection block 20, and the bottom end of the cylinder 24 is slidably connected to the pressure plate 19 up and down;

[0039] The driving mechanism includes four connecting blocks 25, which are respectively fixedly connected to the bottom end portions of the four pressure plates 19; a second connecting rod 26 is rotatably connected to the connecting block 25, and the other end of the second connecting rod 26 is rotatably connected to the push plate 27;

[0040] During operation, due to the different sizes of cars, the corresponding cylinders 24 in the four detection slots 18 are driven to operate according to the car model, and the cylinders 24 drive the detection block 20 to slide upward in the slide slot 23 to the uppermost position. At this time, the detection block 20 is raised on the surface of the lifting plate 2; when the car moves to a safe position on the lifting plate 2, the four wheels of the car will press the four detection blocks 20 downward, and the detection blocks 20 transmit the pressure to the pressure plate 19 through the cylinders 24, and the pressure plate 19 will move downward; when the pressure plate 19 moves downward, it drives the connection block 25 to move downward. When the connecting block 25 moves downward, the second connecting rod 26 connected thereto drives the corresponding second gear rod 9 to move in the direction away from the rotating block 5; only after all four second gear rods 9 are disengaged from the four first gear rods 8, the locking block 3 can be disengaged from the locking groove 4, and the lifting plate 2 can move up and down normally; when the car leaves the lifting plate 2, under the action of the third spring 21, the pressure plate 19 moves upward and resets, and at this time, under the action of the four third springs 21, the two first racks 12 and the two second racks 15 can push the first gear 11 and the second gear 14 to rotate.

[0041] like Figure 3 As shown, as a further solution of the present invention, the lifting mechanism includes four motors 28, the two motors 28 on the left are fixedly connected to the left support frame 1 and the two motors 28 on the right are fixedly connected to the right support frame 1; a pull rope 29 is fixedly connected to the output shaft of the motor 28 and the pull rope 29 is wound around the output shaft of the motor 28, and the bottom end of the pull rope 29 is fixedly connected to the lifting plate 2;

[0042] During operation, when the car stops at a safe position on the lifting plate 2, the four motors 28 are started, and the four motors 28 start to pull the pull ropes 29, and the four pull ropes 29 drive the lifting plate 2 to move upward.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety protection structure for a lift garage, comprising two support frames (1), characterized in that: A lifting plate (2) is provided between the two support frames (1), and the lifting plate (2) is slidably connected to the support frames (1) on the left and right sides; a lifting mechanism is provided on the support frame (1), and the lifting mechanism is used to drive the lifting plate (2) to move up and down; a locking mechanism is provided on the lifting plate (2), and the locking mechanism is used to lock the lifting plate (2) on the support frame (1); a detection mechanism is provided on the lifting plate (2), and the detection mechanism is used to detect whether the car on the lifting plate (2) is parked in a safe position; a driving mechanism is provided on the lifting plate (2), and the driving mechanism is used to drive the locking mechanism to unlock when the detection mechanism detects that the car is parked in a safe position.

2. A safety protection structure for a lift garage according to claim 1, characterized in that: The locking mechanism comprises two locking blocks (3), the two locking blocks (3) are located at the left and right sides of the bottom of the lifting plate (2), and the two locking blocks (3) are slidably connected to the lifting plate (2); a plurality of locking grooves (4) are provided on the support frame (1), and the locking blocks (3) and the locking grooves (4) are clearance-matched; a control mechanism is provided on the lifting plate (2), and the control mechanism is used to control the locking blocks (3) to be inserted into and out of the locking grooves (4).

3. A safety protection structure for a lift garage according to claim 2, characterized in that: The control mechanism comprises a rotating block (5), the rotating block (5) is located at the middle position of the bottom of the lifting plate (2) and the rotating block (5) is rotatably connected to the lifting plate (2); two first connecting rods (6) are rotatably connected to the rotating block (5), and the two first connecting rods (6) are distributed on the rotating block (5) in a circular array; the other ends of the first connecting rods (6) on the left and right sides are respectively rotatably connected to the locking blocks (3) on the left and right sides; and a power mechanism is provided on the rotating block (5), and the power mechanism is used to provide the rotating block (5) with a power for rotation.

4. A safety protection structure for a lift garage according to claim 3, characterized in that: The power mechanism comprises two first springs (7), which are symmetrically distributed on the left and right sides of the rotating block (5); the two ends of the first springs (7) on the left and right sides are respectively fixedly connected to the locking blocks (3) and the lifting plate (2) on the left and right sides; four first gear rods (8) are fixedly connected to the bottom end of the rotating block (5); a second gear rod (9) is provided at the bottom of the rotating block (5) in the clockwise rotation direction of the gear rod, the first gear rod (8) is fixedly connected to the rotating block (5), and the first gear rod (8) and the second gear rod (9) are in contact; the second gear rod (9) is slidably connected to the lifting plate (2); a reset mechanism is provided at the bottom of the rotating block (5), and the reset mechanism is used to drive the locking block (3) to extend and insert into the locking groove (4).

5. A safety protection structure for a lift garage according to claim 4, characterized in that: The reset mechanism comprises a first one-way bearing (10), the first one-way bearing (10) is fixedly connected to the rotating block (5), and the bottom end of the first one-way bearing (10) is fixedly connected to a first gear (11), and two first racks (12) are arranged in a circumferential array around the first gear (11), and the two first racks (12) are both meshed with the first gear (11), and the two first racks (12) are both slidably connected to the lifting plate (2); the bottom end of the first gear (11) is fixedly connected to a second one-way bearing (13), and the bottom end of the second one-way bearing (13) is fixedly connected to a second gear (14), and the second gear (14) is arranged in a circumferential array around the second gear (14), and the two second racks (15) are both meshed with the second gear (14), and the two second racks (15) are both slidably connected to the lifting plate (2); the two first racks (15) are arranged in a circumferential array around the first gear (11), and the two second racks (15) are both meshed with the second gear (14), and the two second racks (15) are both slidably connected to the lifting plate (2); A rack (12) is parallel to the second gear rod (9) at the left front and right rear, respectively, and two second racks (15) are parallel to the second gear rod (9) at the left rear and right front, respectively; the first rack (12) and the second rack (15) are both fixedly connected with a second spring (16), and the other end of the second spring (16) is fixedly connected to the lifting plate (2); the second gear rod (9) is fixedly connected to a push plate (27) at one end away from the rotating block (5); the first rack (12) is fixedly connected to one end away from the first gear (11) and the second rack (15) is fixedly connected to one end away from the second gear (14), and the push rod (17) on the first gear (11) is in contact with the push plates (27) at the left front and right rear, and the push rod (17) on the second gear (14) is in contact with the push plates (27) at the left rear and right front.

6. The safety protection structure for a lift garage according to claim 1, characterized in that: The detection mechanism comprises four detection slots (18), wherein the four detection slots (18) are arranged at four corner positions of the lifting plate (2); a pressure plate (19) is arranged in the detection slot (18), and the pressure plate (19) is slidably connected to the detection slot (18); a detection block (20) is arranged above the pressure plate (19); a third spring (21) is fixedly connected to the bottom end of the pressure plate (19), and the bottom end of the third spring (21) is fixedly connected to the lifting plate (2).

7. A safety protection structure for a lift garage according to claim 6, characterized in that: A support plate (22) is provided in the detection groove (18) above the pressure plate (19); the support plate (22) is fixedly connected to the inner wall of the detection groove (18) and a plurality of slide grooves (23) are provided on the support plate (22); a plurality of detection blocks (20) are provided in the detection groove (18) and the number of the detection blocks (20) is equal to the number of the slide grooves (23); the detection blocks (20) are fitted with the support plate (22) and the detection blocks (20) are slidably connected to the slide grooves (23); a cylinder (24) is fixedly connected to the bottom end of the detection block (20), and the bottom end of the cylinder (24) is slidably connected to the pressure plate (19) up and down.

8. The safety protection structure for a lift garage according to claim 6, characterized in that: The driving mechanism comprises four connecting blocks (25), and the four connecting blocks (25) are respectively fixedly connected to the bottom end parts of four pressure plates (19); a second connecting rod (26) is rotatably connected to the connecting block (25), and the other end of the second connecting rod (26) is rotatably connected to the push plate (27).

9. The safety protection structure for a lift garage according to claim 1, characterized in that: The lifting mechanism comprises four motors (28), wherein the two motors (28) on the left are fixedly connected to the left support frame (1), and the two motors (28) on the right are fixedly connected to the right support frame (1); a pull rope (29) is fixedly connected to the output shaft of the motor (28) and the pull rope (29) is wound around the output shaft of the motor (28), and the bottom end of the pull rope (29) is fixedly connected to the lifting plate (2).

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