Four-column parking garage

Abstract

The utility model provides a four-column parking garage. The four-column parking garage comprises stand columns, cross beams, parking plates and lifting mechanisms. The number of the stand columns is four, the stand columns are perpendicular to the ground and arranged in four directions, the number of the cross beams is two, the cross beams are horizontally erected between the front stand column and the rear stand column, the number of the parking plates is two, the parking plates are erected between the cross beams in parallel, the distance between the two parking plates guarantees that four wheels on the two sides of a vehicle are just located on the parking plates, and the parking plates are fixedly connected with the cross beams. The beams are slidably connected with the stand columns. The stand column is provided with a lifting mechanism which drives the cross beam to ascend and descend. The cross beam is a hollow square tube, the unlocking mechanism is arranged in the cross beam, and the anti-falling mechanisms are arranged at the two ends of the cross beam. The unlocking mechanism is arranged in the cross beam, the unlocking mechanism is not prone to being affected by rainwater, dust and other environments and not prone to being damaged, the safety of the four-column parking garage is improved, the maintenance frequency is reduced, the maintenance cost is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to a parking garage, in particular to a four-column parking garage. Background Art

[0002] With the development of social economy and the improvement of living standards, cars have gradually become a necessity for many families. The rapid growth of car ownership has made the problem of urban parking increasingly prominent. The existing ground parking space resources are limited, and further expansion of ground parking lots will occupy a lot of valuable land resources, especially in the central areas of cities with high population density and tight land resources. This contradiction is particularly prominent. To solve this problem, three-dimensional parking garages came into being, such as four-column parking garages, which is one of the solutions for efficient use of space. The four-column parking garage expands the space upward to achieve multi-layer parking of vehicles, greatly increasing the number of parking spaces per unit area and effectively saving land resources. And when the vehicle needs maintenance, the four-column parking garage lifts the vehicle to facilitate workers to repair the vehicle.

[0003] The existing four-post parking garage unlocking device is usually set outside, exposing the unlocking device to the outside, which is easily damaged and easily affected by rain, dust and other environmental factors, resulting in rust and accelerated aging, increasing the risk of the four-post parking garage, thus affecting its normal operation and service life, requiring more frequent maintenance inspections to ensure its normal function, and increasing maintenance costs. In addition, the exposed unlocking device affects the overall aesthetics of the four-post parking garage.

[0004] Therefore, the above situation needs to be resolved urgently. Utility Model Content

[0005] Purpose of the utility model: In order to overcome the above shortcomings, the utility model provides a four-post parking garage.

[0006] Technical solution: In order to achieve the above-mentioned purpose, the utility model provides a four-column parking garage, including columns, beams, parking boards, and lifting mechanisms. There are four columns, which are arranged in four directions perpendicular to the ground; there are two beams, which are horizontally erected between the front and rear columns; there are two parking boards, which are erected parallel to the beams; the distance between the two parking boards ensures that the four wheels on both sides of the vehicle are just on the parking boards; the parking boards are fixedly connected to the beams, and the beams are slidably connected to the columns. The columns are provided with lifting mechanisms, which drive the beams to rise and fall. The beams are hollow square tubes. In order to solve the problem that the unlocking mechanism is exposed to the outside, the unlocking mechanism is arranged in the beams, and anti-falling mechanisms are arranged at both ends of the beams. When the vehicle is parked on the two parking boards, the unlocking mechanism is first unlocked. At this time, the lifting mechanism can drive the beams to rise. Since the parking board and the beams are fixedly connected, the vehicle parked on the parking board is driven to rise. The parking board rises to a specified height, the lifting mechanism is closed, the parking board stops rising, the unlocking mechanism is reset, and the unlocking mechanism locks the parking board at a specified height. If the lifting mechanism fails during the lifting process of the parking plate, the anti-fall mechanism at both ends of the beam will take effect to prevent the parking plate from falling and causing damage to the vehicle, avoiding casualties and property losses. The unlocking mechanism is set inside the beam, which is not easily affected by rain, dust and other environmental factors, and is not easily damaged, which increases the safety of the four-post parking garage, reduces the number of maintenance, reduces maintenance costs, and extends the service life.

[0007] Furthermore, in the above-mentioned four-column parking garage, the columns are provided with slide grooves, and the two ends of the cross beam are provided with connecting devices, which are arranged in the slide grooves, and the cross beam can slide along the slide grooves. A bottom plate is provided at the lower end of the column. A locking plate is provided in the slide groove, and locking grooves are arranged in an array along the vertical direction of the locking plate. The cross beam is connected to the column through the connecting device, and the cross beam can slide along the slide grooves provided on the column through the connecting device.

[0008] Furthermore, in the above-mentioned four-post parking garage, the connecting device includes a slider and a connecting plate. The slider and the connecting plate are arranged in a connecting cover. One end of the connecting plate is fixedly connected to the cross beam, and the connecting plate is fixedly connected to the slider on the side away from the cross beam. The cross section of the slider is T-shaped, and the slider is placed in a slide groove. A limiting portion is provided on the side of the slider away from the cross beam. A gap is left between the locking plate and the column. The limiting portion is placed in the above-mentioned gap. The limiting portion and the slider form a limiting groove. The locking plate is arranged in the limiting groove, and the slider slides along the locking plate.

[0009] Furthermore, in the above-mentioned four-post parking garage, the unlocking mechanism includes a lock handle arranged on the outside of the beam, a switching mechanism arranged in the beam, and locking blocks arranged at both ends of the beam. The lock handle and the switching mechanism are hinged, the switching mechanism and the locking block are hinged, the lock handle is connected by the switching mechanism and the locking block drive, the locking block and the connecting plate shaft are movably connected, and a limit block is provided on the side of the connecting plate where the locking block is provided, the locking block is provided with a first limit part, and the limit block forms a limit on the first limit part. The locking block is provided with a locking part, and the locking part is embedded in the locking groove provided on the locking plate to lock the parking plate. Before the lifting mechanism is lifted, the lock handle is moved, and the lock handle drives the connecting plate to rotate through the switching mechanism, thereby causing the first limit part to leave the limit block, and the locking part leaves the locking plate and disengages from the locking groove. The lifting mechanism lifts the beam to the specified position, and the lock handle is turned. The lock handle drives the connecting plate to rotate through the switching mechanism, so that the first limit part is close to the limit block. The limit block limits the first limit part, and the locking part is embedded in the locking groove, and the beam is locked. There is an unlocking mechanism in each of the two beams. The switching mechanisms in the two unlocking mechanisms are connected by a connecting rod. Turning the lock handle drives the switching mechanisms in the two unlocking mechanisms to rotate simultaneously, thereby driving the connecting plate to rotate to achieve unlocking or locking.

[0010] Furthermore, in the above-mentioned four-post parking garage, the switching shafts arranged in the two cross beams are coaxially fixedly connected through the connecting shaft, and the switching shaft realizes synchronous rotation through the connecting shaft, thereby driving the connecting plate to rotate, so that the locking part disengages from or embeds into the locking groove, thereby achieving the purpose of unlocking or locking.

[0011] Furthermore, in the above-mentioned four-post parking garage, the switching mechanism is provided with a switching shaft, a switching plate, and a switching connecting rod. A switching shaft is fixedly provided at the center of the switching plate, and switching connecting rods are respectively connected to the two ends of the switching plate. The switching plate and the switching connecting rod are hinged, and the switching connecting rods are respectively hinged to the locking blocks at the two ends of the crossbeam. The switching shaft is provided with two platforms symmetrical along the axis of the switching shaft at one end away from the switching plate, and a notch is provided at one end where the lock handle and the switching shaft are connected. The switching shaft is provided with a platform at one end which is arranged in the notch, and a rotating shaft is passed through perpendicular to the platform. The rotating shaft passes through the notch, and the switching shaft and the locking handle are movably connected through the rotating shaft, and the locking handle can rotate in the notch along the rotating shaft.

[0012] Furthermore, in the above-mentioned four-post parking garage, the switching connecting rod is divided into a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the switching plate, and the end of the first connecting rod away from the switching plate is provided with a thread. One end of the second connecting rod is hinged to the locking block, and the end of the second connecting rod away from the locking block is provided with a through hole, and the first connecting rod is provided with a threaded end extending into the through hole, and the first connecting rod is provided with a threaded end with nuts screwed on both sides of the through hole. The adjusting nut can adjust the length of the switching connecting rod, and then control the rotation angle of the connecting plate, so that the locking part is disengaged from or embedded in the locking groove.

[0013] Furthermore, in the above-mentioned four-post parking garage, the lifting mechanism includes: an oil pump, an oil cylinder, a horizontal roller, a steel wire rope, and a vertical roller. The oil pump is arranged on the column, the parking plate is a concave steel plate with an opening facing downward, the oil cylinder is arranged in the opening of the parking plate, and the oil cylinder and the parking plate are arranged in parallel. The oil pump and the oil cylinder are connected by an oil pipe. Horizontal rollers are respectively arranged at both ends of the parking plate, and the horizontal rollers move with the parking plate, and vertical rollers are arranged at both ends of the crossbeam. The horizontal rollers and the vertical rollers are provided with slide grooves, one end of the steel wire rope is connected to the cylinder shaft of the oil cylinder, and the other end of the steel wire rope passes through the horizontal roller, and then passes through the vertical roller and is fixedly connected to the upper end of the column, and the steel wire rope is placed in the slide grooves of the horizontal roller and the vertical roller.

[0014] Furthermore, in the above-mentioned four-post parking garage, the anti-fall mechanism includes an anti-fall block and a rope pulley. The anti-fall block and the locking block are coaxially movably arranged on one side of the connecting plate. The rope pulley is provided with a slide groove, and the rope pulley is arranged on the side of the wire rope close to the column, and the wire rope is arranged in the slide groove of the rope pulley. The anti-fall block is fixedly connected to the rope pulley through the rope pulley plate, and the rope pulley plate and the anti-fall block form an obtuse angle. The anti-fall block is provided with an anti-fall part and a second limiting part, and the anti-fall part is arranged on the side of the anti-fall block close to the column, and the second limiting part is arranged on the lower side of the anti-fall block. The wire rope squeezes the rope pulley, and the anti-fall part moves away from the locking plate and disengages from the locking groove, and the second limiting part is arranged on the side of the limiting block away from the column, and the second limiting part disengages from the limiting block. When the wire rope breaks, the rope wheel drops under the action of gravity, and the second limiting part drops and moves toward the limiting block at the same time. The anti-falling part moves toward the locking plate, and the anti-falling part is embedded in the locking groove. The second limiting part is limited by the limiting block to lock the beam to prevent falling.

[0015] Furthermore, in the above-mentioned four-post parking garage, an uphill plate is provided at one end of the parking plate.

[0016] It can be seen from the above technical scheme that the utility model has the following beneficial effects: the four-post parking garage of the utility model arranges the unlocking mechanism in the crossbeam, so that the unlocking mechanism is not easily affected by the environment such as rain and dust, and is not easily damaged, thereby increasing the safety of the four-post parking garage, reducing the number of maintenance times, reducing maintenance costs, and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a four-post parking garage of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the column of the utility model;

[0019] Figure 3 It is a partial enlarged view of the connecting device of the utility model;

[0020] Figure 4 It is a partial enlarged view of the unlocking mechanism of the utility model;

[0021] Figure 5 It is a partial enlarged view of the switching mechanism of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the switching mechanism of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the lifting mechanism of the utility model;

[0024] Figure 8 It is a partial enlarged view of the anti-falling mechanism of the utility model;

[0025] In the figure: 1, column, 11, slide groove, 12, bottom plate, 13, locking plate, 131, locking groove, 2, cross beam, 21, unlocking mechanism, 211, lock handle, 212, switching mechanism, 2121, switching shaft, 2122, switching plate, 2123, switching connecting rod, 21231, first connecting rod, 21232, second connecting rod, 2124, connecting shaft, 2125, rotating shaft, 213 locking block, 2131. Locking part, 2132. First limiting part, 22. Anti-falling mechanism, 221. Anti-falling block, 2211. Anti-falling part, 2212. Second limiting part, 222. Rope pulley, 223. Rope pulley plate, 23. Connecting device, 231. Sliding block, 2311. Limiting part, 2312. Limiting groove, 232. Connecting plate, 2321. Limiting block, 3. Lifting mechanism, 31. Oil pump, 32. Oil cylinder, 33. Horizontal roller, 34. Steel wire rope, 35. Vertical roller, 4. Parking plate, 5. Oil collecting tray, 6. Uphill plate. DETAILED DESCRIPTION

[0026] Example 1

[0027] like Figure 1A four-column parking garage shown in the figure includes columns 1, beams 2, parking plates 4, and lifting mechanisms 3. There are four columns 1, which are arranged in four directions perpendicular to the ground. There are two beams 2, which are horizontally erected between the front and rear columns 1. There are two parking plates 4, which are erected in parallel between the beams 2. The distance between the two parking plates 4 ensures that the four wheels on both sides of the vehicle are just on the parking plates 4. The parking plates 4 and the beams 2 are fixedly connected, and the beams 2 and the columns 1 are slidably connected. The columns 1 are provided with lifting mechanisms 3, which drive the beams 2 to rise and fall. The beams 2 are hollow square tubes. In order to solve the problem of the unlocking mechanism 21 being exposed to the outside, the unlocking mechanism 21 is arranged inside the beams 2, and anti-fall mechanisms 22 (not shown in the figure) are arranged at both ends of the beams 2. When the vehicle is parked on two parking boards 4, the unlocking mechanism 21 is first unlocked. At this time, the lifting mechanism 3 can drive the cross beam 2 to rise. Since the parking board 4 and the cross beam 2 are fixedly connected, the vehicle parked on the parking board 4 is driven to rise. The parking board 4 rises to a specified height, the lifting mechanism 3 is closed, the parking board 4 stops rising, and the unlocking mechanism 21 is reset. The unlocking mechanism 21 locks the parking board 4 at a specified height. If the lifting mechanism 3 fails during the rising process of the parking board 4, the anti-falling mechanism 22 at both ends of the cross beam 2 will take effect to prevent the parking board 4 from falling. An oil collecting pan 5 is provided between the parking boards 4. An uphill plate 6 is provided at one end of the parking board 4.

[0028] like Figure 2 In the four-column parking garage shown, the columns 1 are provided with slide grooves 11, and the two ends of the cross beam 2 are provided with connecting devices 23, which are arranged in the slide grooves 11, and the cross beam 2 can slide along the slide grooves 11. A bottom plate 12 is provided at the lower end of the column 1. A locking plate 13 is provided in the slide groove 11, and locking grooves 131 are arranged in an array along the vertical direction of the locking plate 13. The cross beam 2 is connected to the column 1 through the connecting device 23, and the cross beam 2 can slide along the slide groove 11 provided on the column 1 through the connecting device 23.

[0029] like Figure 3 In the four-post parking garage shown in the figure, the connecting device 23 includes a slider 231 and a connecting plate 232. The slider 231 and the connecting plate 232 are arranged in a connecting cover. One end of the connecting plate 232 is fixedly connected to the beam 2, and the connecting plate 232 is fixedly connected to the slider 231 on the side away from the beam 2. The cross-section of the slider 231 is T-shaped, and the slider 231 is placed in the slide groove 11. A limiting portion 2311 is provided on the side of the slider 231 away from the beam 2. A gap is left between the locking plate 13 and the column 1, and the limiting portion 2311 is placed in the above gap. The limiting portion 2311 and the slider 231 form a limiting groove 2312. The locking plate 13 is arranged in the limiting groove 2312, and the slider 231 slides along the locking plate 13.

[0030] like Figure 4In the four-post parking garage shown, the unlocking mechanism 21 includes a lock handle 211 arranged on the outside of the cross beam 2, a switching mechanism 212 arranged in the cross beam 2, and locking blocks 213 arranged at both ends of the cross beam 2. The lock handle 211 and the switching mechanism 212 are hinged, and the switching mechanism 212 and the locking block 213 are hinged. The lock handle 211 is driven and connected by the switching mechanism 212 and the locking block 213. The locking block 213 and the connecting plate 232 are axially movably connected. A limiting block 2321 is provided on one side of the connecting plate 232 with the locking block 213. The locking block 213 is provided with a first limiting portion 2132, and the limiting block 2321 forms a limit on the first limiting portion 2132. The locking block 213 is provided with a locking portion 2131, and the locking portion 2131 is embedded in the locking groove 131 provided on the locking plate 13 to lock the parking plate 4. Before the lifting mechanism 3 is lifted, the lock handle 211 is turned, and the lock handle 211 drives the connecting plate 232 to rotate through the switching mechanism 212, so that the first limiting portion 2132 leaves the limiting block 2321, and the locking portion 2131 leaves the locking plate 13 and disengages from the locking groove. The lifting mechanism 3 lifts the crossbeam 2 to the specified position, and the lock handle 211 is turned, and the lock handle 211 drives the connecting plate 232 to rotate through the switching mechanism 212, so that the first limiting portion 2132 approaches the limiting block 2321, and the limiting block 2321 limits the first limiting portion 2132, and the locking portion 2131 is embedded in the locking groove 131, and the crossbeam 2 is locked. An unlocking mechanism 21 is provided in each of the two crossbeams 2. The switching mechanisms 212 in the two unlocking mechanisms 21 are connected by a connecting rod. Turning the lock handle 211 drives the switching mechanisms 212 in the two unlocking mechanisms 21 to rotate simultaneously, thereby driving the connecting plate 232 to rotate to achieve unlocking or locking.

[0031] like Figure 5In the four-post parking garage shown, the switching mechanism 212 is provided with a switching shaft 2121, a switching plate 2122, and a switching connecting rod 2123. The switching shaft 2121 is fixedly provided at the center of the switching plate 2122, and the switching connecting rods 2123 are respectively connected to the two ends of the switching plate 2122. The switching plate 2122 and the switching connecting rod 2123 are hinged, and the switching connecting rod 2123 is respectively hinged to the locking blocks 213 at the two ends of the crossbeam 2. The switching shaft 2121 is provided with two platforms symmetrical along the axis of the switching shaft 2121 at one end away from the switching plate 2122, and a notch is provided at one end where the lock handle 211 and the switching shaft 2121 are connected. The switching shaft 2121 is provided with a platform at one end thereof and is arranged in the notch, and a rotating shaft 2125 is passed through the notch perpendicular to the platform. The rotating shaft 2125 passes through the notch, and the switching shaft 2121 and the lock handle 211 are movably connected through the rotating shaft 2125, and the lock handle 211 can rotate in the notch along the rotating shaft 2125. The switching connecting rod 2123 is divided into a first connecting rod 21231 and a second connecting rod 21232. One end of the first connecting rod 21231 is hinged to the switching plate 2122, and the end of the first connecting rod 21231 away from the switching plate 2122 is provided with a thread. One end of the second connecting rod 21232 is hinged to the locking block 213, and the end of the second connecting rod 21232 away from the locking block 213 is provided with a through hole. One end of the first connecting rod 21231 with a thread extends into the through hole, and one end of the first connecting rod 21231 with a thread is screwed with nuts on both sides of the through hole. The length of the switching connecting rod 2123 can be adjusted by adjusting the nut, and then the rotation angle of the connecting plate 232 can be controlled to make the locking portion 2131 disengage from or embed into the locking groove 131.

[0032] like Figure 6 In the four-post parking garage shown in the figure, the switching shaft 2121 arranged in the two cross beams 2 is coaxially fixedly connected through the connecting shaft 2124. The switching shaft 2121 realizes synchronous rotation through the connecting shaft 2124, and then drives the connecting plate 232 to rotate, so that the locking part 2131 is disengaged from or embedded in the locking groove 131, thereby achieving the purpose of unlocking or locking.

[0033] like Figure 7 In the four-post parking garage shown, the lifting mechanism 3 includes: an oil pump 31, an oil cylinder 32, a horizontal roller 33, a steel wire 34, and a vertical roller 35. The oil pump 31 is arranged on the column 1, the parking plate 4 is a concave steel plate with an opening facing downward, the oil cylinder 32 is arranged in the opening of the parking plate 4, and the oil cylinder 32 and the parking plate 4 are arranged in parallel. The oil pump 31 and the oil cylinder 32 are connected by an oil pipe. Horizontal rollers 33 are respectively arranged at both ends of the parking plate 4, and the horizontal rollers 33 move with the parking plate 4. Vertical rollers 35 are arranged at both ends of the crossbeam 2. The horizontal rollers 33 and the vertical rollers 35 are provided with sliding grooves, one end of the steel wire 34 is connected to the cylinder shaft of the oil cylinder 32, and the other end of the steel wire 34 passes through the horizontal roller 33, and then passes through the vertical roller 35 and is fixedly connected to the upper end of the column 1, and the steel wire 34 is placed in the sliding grooves of the horizontal rollers 33 and the vertical rollers 35.

[0034] like Figure 8 In the four-post parking garage shown, the anti-fall mechanism 22 includes an anti-fall block 221 and a rope pulley 222. The anti-fall block 221 and the locking block 213 are coaxially movably arranged on one side of the connecting plate 232. The rope pulley 222 is provided with a slide groove, and the rope pulley 222 is arranged on the side of the steel wire rope 34 close to the column 1, and the steel wire rope 34 is arranged in the slide groove of the rope pulley 222. The anti-fall block 221 is fixedly connected to the rope pulley 222 through the rope pulley plate 223, and the rope pulley plate 223 and the anti-fall block 221 form an obtuse angle. The anti-fall block 221 is provided with an anti-fall portion 2211 and a second limiting portion 2212, and the anti-fall portion 2211 is arranged on the side of the anti-fall block 221 close to the column 1, and the second limiting portion 2212 is arranged on the lower side of the anti-fall block 221. The steel wire rope 34 squeezes the rope wheel 222, the anti-falling part 2211 moves away from the locking plate 13 and disengages from the locking groove 131, the second limiting part 2212 is arranged on the side of the limiting block 2321 away from the column 1, and the second limiting part 2212 disengages from the limiting block 2321. The steel wire rope 34 breaks, the rope wheel 222 drops under the action of gravity, the second limiting part 2212 simultaneously drops and moves toward the limiting block 2321, the anti-falling part 2211 moves toward the locking plate 13, the anti-falling part 2211 is embedded in the locking groove 131, the second limiting part 2212 is limited by the limiting block 2321, and the crossbeam 2 is locked to prevent falling.

[0035] The above embodiments are exemplary, and their purpose is to illustrate the technical concept and features of the utility model so that people familiar with this field can understand the content of the utility model and implement it accordingly, and they cannot limit the protection scope of the utility model in turn. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A four-post parking garage, characterized in that: The utility model comprises a column (1), a cross beam (2), a lifting mechanism (3), and a parking plate (4); the column (1) is four in number, and the column (1) is arranged in four directions perpendicular to the ground; the cross beam (2) is two in number, and the cross beam (2) is horizontally erected between two front and rear columns (1); the parking plate (4) is two in number, and the parking plate (4) is erected in parallel between the cross beams (2); the parking plate (4) and the cross beam (2) are fixedly connected, and the cross beam (2) and the column (1) are slidably connected; the column (1) is provided with a lifting mechanism (3), and the lifting mechanism (3) drives the cross beam (2) to move up and down; the cross beam (2) is a hollow square tube, and an unlocking mechanism (21) is arranged inside the cross beam (2), and anti-falling mechanisms (22) are arranged at both ends of the cross beam (2).

2. A four-post parking garage according to claim 1, characterized in that: The upright posts (1) are provided with slide grooves (11) opposite to each other, and connecting devices (23) are provided at both ends of the cross beam (2), the connecting devices (23) are arranged in the slide groove (11), and the cross beam (2) slides along the slide groove (11) through the connecting devices (23); a bottom plate (12) is provided at the lower end of the upright post (1); a locking plate (13) is provided in the slide groove (11), and locking grooves (131) are arranged in an array in a vertical direction along the locking plate (13).

3. A four-post parking garage according to claim 2, characterized in that: The connecting device (23) comprises a slider (231) and a connecting plate (232); the slider (231) and the connecting plate (232) are arranged in a connecting cover; one end of the connecting plate (232) is fixedly connected to the cross beam (2); the side of the connecting plate (232) away from the cross beam (2) is fixedly connected to the slider (231); the slider (231) has a T-shaped cross section; the slider (231) is arranged in a slide groove (11); a limiting portion (2311) is provided on the side of the slider (231) away from the cross beam (2); the limiting portion (2311) and the slider (231) form a limiting groove (2312); the locking plate (13) is arranged in the limiting groove (2312); and the slider (231) slides along the locking plate (13).

4. A four-post parking garage according to claim 3, characterized in that: The unlocking mechanism (21) comprises a lock handle (211) disposed on the outside of the crossbeam (2), a switching mechanism (212) disposed inside the crossbeam (2), and locking blocks (213) disposed at both ends of the crossbeam (2); the lock handle (211) and the switching mechanism (212) are hingedly connected; the switching mechanism (212) and the locking block (213) are hingedly connected; the lock handle (211) is driven and connected to the locking block (213) by the switching mechanism (212); the locking block (213) and the connecting plate ( The connecting plate (232) is movably connected to the shaft, a locking block (213) is provided on one side of the connecting plate (232), the locking block (213) is provided with a first limiting portion (2132), and the limiting block (2321) limits the first limiting portion (2132); the locking block (213) is provided with a locking portion (2131), and the locking portion (2131) is embedded in a locking groove (131) provided on the locking plate (13) to lock the parking plate (4).

5. A four-post parking garage according to claim 4, characterized in that: The switching mechanism (212) is provided with a switching shaft (2121), a switching plate (2122), and a switching connecting rod (2123); the switching shaft (2121) is fixedly provided at the center of the switching plate (2122); the switching connecting rods (2123) are respectively connected to the two ends of the switching plate (2122); the switching plate (2122) and the switching connecting rod (2123) are hingedly connected; the switching connecting rod (2123) and the locking blocks (213) at the two ends of the crossbeam (2) are hingedly connected; The switching shaft (2121) is provided with two platforms symmetrical along the axis of the switching shaft (2121) at one end away from the switching plate (2122); a notch is provided at one end where the locking handle (211) and the switching shaft (2121) are connected; one end of the switching shaft (2121) provided with a platform is arranged in the notch; a rotating shaft (2125) is provided perpendicular to the platform; the rotating shaft (2125) passes through the notch; and the switching shaft (2121) and the locking handle (211) are movably connected via the rotating shaft (2125).

6. A four-post parking garage according to claim 5, characterized in that: The switching shafts (2121) disposed in the two crossbeams (2) are coaxially fixedly connected via a connecting shaft (2124), and the switching shafts (2121) rotate synchronously via the connecting shaft (2124).

7. A four-post parking garage according to claim 5, characterized in that: The switch connecting rod (2123) is divided into a first connecting rod (21231) and a second connecting rod (21232); one end of the first connecting rod (21231) is hinged to the switch plate (2122); one end of the first connecting rod (21231) is remote from the switch plate (2122) and is provided with a thread; one end of the second connecting rod (21232) is hinged to the locking block (213); one end of the second connecting rod (21232) is remote from the locking block (213) and is provided with a through hole; one end of the first connecting rod (21231) is provided with a thread and extends into the through hole; and one end of the first connecting rod (21231) is provided with a thread and nuts are screwed on both sides of the through hole.

8. A four-post parking garage according to claim 1, characterized in that: The lifting mechanism (3) comprises: an oil pump (31), an oil cylinder (32), a horizontal roller (33), a steel wire rope (34), and a vertical roller (35); the oil pump (31) is arranged on the column (1); the parking plate (4) is a concave steel plate with an opening facing downward; the oil cylinder (32) is arranged in the opening of the parking plate (4); the oil cylinder (32) and the parking plate (4) are arranged in parallel; the oil pump (31) and the oil cylinder (32) are connected by an oil pipe; the two ends of the parking plate (4) are respectively provided with horizontal rollers (33) ), the horizontal roller (33) moves with the parking plate (4), and vertical rollers (35) are provided at both ends of the crossbeam (2); the horizontal roller (33) and the vertical roller (35) are provided with slide grooves, one end of the steel wire rope (34) is connected to the cylinder shaft of the oil cylinder (32), and the other end of the steel wire rope (34) passes through the horizontal roller (33), and then passes through the vertical roller (35) and is fixedly connected to the upper end of the column (1), and the steel wire rope (34) is placed in the slide grooves of the horizontal roller (33) and the vertical roller (35).

9. A four-post parking garage according to claim 4, characterized in that: The anti-fall mechanism (22) comprises an anti-fall block (221) and a rope wheel (222); the anti-fall block (221) and the locking block (213) are coaxially movably arranged on one side of a connecting plate (232); the rope wheel (222) is provided with a slide groove, the rope wheel (222) is arranged on a side of the steel wire rope (34) close to the column (1), and the steel wire rope (34) is arranged in the slide groove of the rope wheel (222); the anti-fall block (221) is fixedly connected to the rope wheel (222) through a rope wheel plate (223), and the rope wheel plate (223) and the anti-fall block (221) form an obtuse angle; the anti-fall block ( The anti-falling portion (2211) is provided with an anti-falling portion (2211) and a second limiting portion (2212), wherein the anti-falling portion (2211) is arranged on a side of the anti-falling block (221) close to the column (1), and the second limiting portion (2212) is arranged on the lower side of the anti-falling block (221); the steel wire rope (34) presses the rope wheel (222), the anti-falling portion (2211) is away from the locking plate (13) and is separated from the locking groove (131), and the second limiting portion (2212) is arranged on a side of the limiting block (2321) away from the column (1), and the second limiting portion (2212) is separated from the limiting block (2321).

10. A four-post parking garage according to claim 1, characterized in that: An uphill plate (6) is provided at one end of the parking plate (4).

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