CN212198345U

CN212198345U - Four-column lifter

Info

Publication number: CN212198345U
Application number: CN202020650707.8U
Authority: CN
Inventors: 李加波; 张恕哲; 孙健
Original assignee: Qingdao Shunfeng Machinery Co ltd
Current assignee: Qingdao Shunfeng Machinery Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-22
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a four-column lifter, which relates to the technical field of lifters, and the technical scheme is characterized in that the lifter comprises a flat plate and four support columns, wherein the four support columns are provided with driving components for driving the flat plate to move along the vertical direction, and the lifter also comprises a fixed block and a positioning block which are arranged at the top of the flat plate, the top of the flat plate is provided with a chute matched with the positioning block, the chute runs through the flat plate along the vertical direction, the positioning block can slide along the vertical direction on the flat plate, a pushing mechanism for pushing the positioning block to move along the vertical direction is arranged below each flat plate, and when the fixed block is contacted with the front wheel of an automobile, the positioning block can be contacted with the; the utility model solves the problems that the tires on the front and the rear of the vehicle are separated from the track plate group and the danger is generated in the process of lifting the vehicle by the existing four-column lifter; through setting up fixed block and locating piece, fix the vehicle at dull and stereotyped top, when lifting the vehicle, avoid the vehicle front and back tire to break away from the flat board.

Description

Four-column lifter

Technical Field

The utility model belongs to the technical field of the technique of machine of lifting and specifically relates to a four post machines of lifting are related to.

Background

At present, when a parking area parks, only one vehicle can be parked in one parking space, the height of the vehicle is far smaller than that of the parking area, and the utilization rate of a parking space is low; parking stall department is arranged in to four post machines of lifting, and this four post machines of lifting have two parking platforms, and two parking platforms arrange and can follow vertical direction and move along vertical direction, and three cars can be parked to a parking stall, greatly increased space utilization.

The chinese utility model patent document of the prior art with the publication number CN202492327U discloses a four-column lifter with a shearing table, which comprises: four stands, lifting beam group, runway board group, cut platform, lift driver and slip driver. The lifting beam set is erected between the upright posts. The runway plate group is erected on the lifting beam group, and the lifting beam group and the runway plate group form an opening at the rear side of the four-column lifter. The shearing table is installed in the opening, and the shearing table is installed on the track plate group and slides along the track plate group. The lifting driver drives the lifting beam group to ascend or descend along the upright post. The sliding driver drives the shearing table to slide along the runway plate group.

The above prior art solutions have the following drawbacks: the existing four-column lifting machine has the advantages that in the process of lifting a vehicle, the track plate group is easy to vibrate, so that the possibility of moving the vehicle back and forth can be caused, and the front and rear tires of the vehicle are easy to separate from the track plate group, so that danger is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a four post machine of lifting through setting up fixed block and locating piece, can fix the vehicle at dull and stereotyped top, when lifting the vehicle, avoids the vehicle front and back tire to break away from the flat board, makes the vehicle take place danger.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a four-column lifter, dull and stereotyped and the support column of four vertical settings including the level setting, be provided with the drive assembly who is used for driving dull and stereotyped motion along vertical direction on four support columns, still including setting up fixed block and the locating piece at dull and stereotyped top, the spout with locating piece matched with is seted up at dull and stereotyped top, the spout runs through the flat board along vertical direction, the locating piece can be located the spout, the locating piece can slide along vertical direction on the flat board, dull and stereotyped below all is provided with the pushing mechanism who is used for promoting the locating piece along vertical direction motion, when the fixed block contacts with the front wheel of car, the locating piece can contact with the car rear.

By adopting the technical scheme, the top of the positioning block is not higher than the top of the flat plate in a normal state, when a front wheel of a vehicle is in contact with the fixing block, the pushing mechanism at the bottom of the flat plate pushes the positioning block to move upwards, the positioning block is positioned at the top of the flat plate, the vehicle is fixed at the top of the flat plate by the fixing block and the positioning block, and the driving assembly drives the flat plate to move along the vertical direction; when the vehicle leaves the top of the flat plate, the positioning block moves downwards, so that the top of the positioning block is not higher than the top of the flat plate, and the vehicle leaves the top of the flat plate; through setting up fixed block and locating piece, can fix the vehicle at dull and stereotyped top, when lifting the vehicle, avoid the vehicle front and back tire to break away from the flat board, make the vehicle take place danger.

The present invention may be further configured in a preferred embodiment as: the pushing mechanism comprises a pushing block arranged below the flat plate and a pushing assembly used for pushing the pushing block to move towards the direction close to or far away from the positioning block, the bottom of the positioning block is fixedly connected with a sliding block, the sliding block slides in the sliding groove along the vertical direction, one side of the sliding block close to the pushing block is provided with a clamping groove, the clamping groove penetrates through the sliding block along the moving direction of the pushing block, and an inclined plane is arranged in the clamping groove; the bottom of ejector pad is provided with the bracing piece that the level set up, and bracing piece fixed connection is on the flat board, and one side that the ejector pad is close to the slider is provided with the inclined plane, and the inclined plane of ejector pad can cooperate with the inclined plane of draw-in groove and promote the slider and slide along vertical direction.

By adopting the technical scheme, when the front wheel of the vehicle is contacted with the fixed block, the pushing assembly pushes the pushing block to slide on the supporting rod in the direction close to the sliding block, the inclined plane on the pushing block is matched with the inclined plane in the clamping groove, the pushing block pushes the sliding block to move upwards, the sliding block drives the positioning block to move upwards, the top of the positioning block is higher than the bottom of the flat plate, and the positioning block and the fixed block fix the vehicle on the top of the flat plate; when the vehicle needs to drive away from the flat plate, the pushing assembly drives the pushing block to slide towards the direction away from the sliding block, the positioning block and the sliding block move downwards, and the top of the positioning block is not higher than the top of the flat plate; through setting up pushing assembly and ejector pad, be convenient for promote the locating piece and slide along vertical direction on the flat board.

The present invention may be further configured in a preferred embodiment as: promote the subassembly and include the push rod of being connected with the ejector pad rotation and set up the dwang of keeping away from ejector pad one end at the push rod, the dwang rotates with the push rod and links together, dull and stereotyped bottom rigid coupling has the fixing base, and the fixing base rotates with the dwang and links together, dull and stereotyped bottom rigid coupling riser, and the riser is close to one side rotation of dwang and is connected with and drives actuating cylinder, and the piston rod that drives actuating cylinder rotates with the dwang and links together.

By adopting the technical scheme, the top of the positioning block is not higher than the top of the flat plate in a normal state, when a vehicle is positioned at the top of the flat plate, the driving cylinder pushes the rotating rod to move towards the direction close to the flat plate, the rotating rod pushes the push block to slide towards the direction close to the slide block, the push block pushes the slide block to move upwards, when the rotating rod and the push rod are positioned on the same horizontal plane, the positioning block is positioned at the top of the flat plate, and the positioning block and the fixing block fix the vehicle on the; when the vehicle needs to drive away from the flat plate, the driving cylinder pulls the rotating rod to return to the initial position, the positioning block returns to the initial position, and the push rod, the rotating rod and the driving cylinder are arranged to facilitate the pushing of the positioning block to move on the flat plate along the vertical direction.

The present invention may be further configured in a preferred embodiment as: the bottom rigid coupling of slider has the baffle of horizontal setting, and the rigid coupling has the spring on the baffle, and the one end that the baffle was kept away from to the spring is in the same place with dull and stereotyped rigid coupling.

Through adopting above-mentioned technical scheme, under the normality, when the top of locating piece is not higher than dull and stereotyped top, the spring is in the normality, and when the locating piece was located dull and stereotyped top, the spring was compressed, breaks away from the slider when the ejector pad, and the spring kick-backs and drives the locating piece and get back to initial position, through setting up spring and baffle, is convenient for drive the locating piece and gets back to initial position.

The present invention may be further configured in a preferred embodiment as: dull and stereotyped bottom fixedly connected with storing board, storing groove has been seted up at storing board top, and pushing mechanism is located the storing inslot, and the below of baffle is provided with the cushion of fixed connection on the storing board, and the baffle can contact with the cushion.

Through adopting above-mentioned technical scheme, when the spring drove the locating piece downstream, the bottom and the cushion of baffle contacted, through setting up the cushion, are convenient for carry on spacingly to the spring.

The present invention may be further configured in a preferred embodiment as: one side of the positioning block, which is close to the positioning block, is provided with a cambered surface matched with the rear wheel, and one side of the positioning block, which is close to the positioning block, is provided with a cambered surface matched with the front wheel.

Through adopting above-mentioned technical scheme, because the front wheel and the rear wheel of vehicle all are circular setting, when fixing the vehicle, through setting up the cambered surface, increase the area of contact of fixed block and locating piece and wheel to be convenient for fix the vehicle at dull and stereotyped top.

The present invention may be further configured in a preferred embodiment as: one side of the positioning block far away from the fixing block is provided with a climbing plate fixedly connected to the flat plate, and one side of the climbing plate far away from the flat plate is inclined downwards.

Through adopting above-mentioned technical scheme, because there is the certain distance between dull and stereotyped and the support column bottom, through setting up the climbing board, make the vehicle drive to dull and stereotyped top through the climbing board to be convenient for the vehicle and go to dull and stereotyped top.

The present invention may be further configured in a preferred embodiment as: the fixed block can slide towards the direction close to the positioning block or far away from the positioning block on the flat plate.

By adopting the technical scheme, because the wheelbases of the vehicles are different, the distance between the positioning block and the fixing block needs to be adjusted, so that the positioning block and the fixing block can be respectively contacted with the rear wheel and the front wheel, and the vehicles with different wheelbases are ensured to be fixed on the top of the flat plate.

The present invention may be further configured in a preferred embodiment as: the top of the flat plate is provided with a sliding groove which penetrates through the flat plate downwards, two bearing seats are fixedly connected to the bottom of the flat plate, a screw rod with an axis direction parallel to the motion direction of the fixing block is arranged at the bottom of the flat plate, the fixing block is in threaded connection with the screw rod, and the screw rod penetrates through the two bearing seats along the axis direction of the screw rod and is rotationally connected with the two bearing seats.

Through adopting above-mentioned technical scheme, rotate the screw rod, the screw rod drives the fixed block and slides towards the direction that is close to the locating piece or keeps away from the locating piece on the flat board, through setting up the screw rod, is convenient for adjust the distance between fixed block and the locating piece to guarantee that locating piece and fixed block can fix the vehicle of different wheel bases.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model is provided with the fixed block and the positioning block, the top of the positioning block is not higher than the top of the flat plate in a normal state, when the front wheel of the vehicle contacts with the fixed block, the pushing mechanism at the bottom of the flat plate pushes the positioning block to move upwards, the positioning block is positioned at the top of the flat plate, the vehicle is fixed at the top of the flat plate by the fixed block and the positioning block, and the driving component drives the flat plate to move along the vertical direction; when the vehicle leaves the top of the flat plate, the positioning block moves downwards, so that the top of the positioning block is not higher than the top of the flat plate, and the vehicle leaves the top of the flat plate; the vehicle can be fixed on the top of the flat plate by arranging the fixed block and the positioning block, and when the vehicle is lifted, the front tire and the rear tire of the vehicle are prevented from being separated from the flat plate, so that the vehicle is prevented from being dangerous;

2. the utility model is provided with a pushing component and a pushing block, when the front wheel of the vehicle contacts with the fixed block, the pushing component pushes the pushing block to slide on the support rod towards the direction close to the slide block, the inclined plane on the pushing block is matched with the inclined plane in the clamping groove, the pushing block pushes the slide block to move upwards, the slide block drives the positioning block to move upwards, the top of the positioning block is higher than the bottom of the flat plate, and the positioning block and the fixed block fix the vehicle on the top of the flat plate; when the vehicle needs to drive away from the flat plate, the pushing assembly drives the pushing block to slide towards the direction away from the sliding block, the positioning block and the sliding block move downwards, and the top of the positioning block is not higher than the top of the flat plate; the pushing assembly and the pushing block are arranged, so that the positioning block can be conveniently pushed to slide on the flat plate along the vertical direction;

3. the utility model discloses be provided with push rod, dwang and drive actuating cylinder, under the normality, the top of locating piece is not higher than the top of flat board, and when the vehicle was located the flat board top, drive actuating cylinder promoted the dwang and moved towards the direction that is close to the flat board, and the dwang promoted the ejector pad and slided towards the direction that is close to the slider, and the ejector pad promoted the slider and upwards moved, and when dwang and push rod were in a horizontal plane, the locating piece was located the flat board top, and locating piece and fixed block fixed the vehicle on the; when the vehicle needs to drive away from the flat plate, the driving cylinder pulls the rotating rod to return to the initial position, the positioning block returns to the initial position, and the push rod, the rotating rod and the driving cylinder are arranged to facilitate the pushing of the positioning block to move on the flat plate along the vertical direction.

Drawings

FIG. 1 is a schematic diagram of the complete structure of the embodiment;

FIG. 2 is a cross-sectional view of an embodiment embodying a pushing mechanism;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of an embodiment embodying a spring;

FIG. 5 is a cross-sectional view of an embodiment embodying a screw;

FIG. 6 is a cross-sectional view of the embodiment showing a slide bar.

In the figure: 1. a support pillar; 11. accommodating grooves; 12. a drive assembly; 2. a flat plate; 21. a chute; 22. a fixed block; 23. positioning blocks; 231. a slider; 2311. a card slot; 24. a spring; 241. a baffle plate; 25. a connecting plate; 251. a support bar; 26. a vertical plate; 261. a supporting seat; 262. a rotating shaft; 27. a fixed seat; 271. a rotating shaft; 28. a sliding groove; 29. a bearing seat; 3. a storage plate; 31. a storage tank; 32. cushion blocks; 33. a storage groove; 4. a pushing mechanism; 41. a pushing assembly; 411. a push rod; 412. rotating the rod; 413. a driving cylinder; 4131. a connecting seat; 42. a push block; 5. connecting blocks; 51. a connecting shaft; 6. a sliding block; 61. a slide bar; 62. rotating the block; 63. a screw; 7. climbing plate.

Detailed Description

Example (b): referring to fig. 1 and 2, in order to disclose a four-column lifting machine of the present invention, including four vertically disposed supporting columns 1 and two horizontally disposed flat plates 2, the two flat plates 2 are all located in the square region enclosed by the four supporting columns 1, one side of the four supporting columns 1 close to each other is provided with an accommodating tank 11, the accommodating tank 11 runs through the supporting columns 1 upwards, the two flat plates 2 are arranged along the vertical direction, the four corners of the two flat plates 2 are respectively located in the accommodating tanks 11 of the four supporting columns 1, and the four supporting columns 1 are all provided with driving components 12 for pushing the two flat plates 2 to move along the vertical direction; the bottom parts of the two flat plates 2 are fixedly connected with horizontally arranged storage plates 3, storage grooves 31 are formed in the top parts of the storage plates 3, two fixing blocks 22 and two positioning blocks 23 are arranged on the top parts of the flat plates 2, the fixing blocks 22 and the positioning blocks 23 are arranged on the flat plates 2 along the length direction of the flat plates 2, two sliding grooves 21 matched with the two positioning blocks 23 are formed in the top parts of the flat plates 2, the sliding grooves 21 penetrate through the flat plates 2 along the vertical direction, the two sliding grooves 21 can be communicated with the storage grooves 31, the two positioning blocks 23 can be respectively positioned in the two sliding grooves 21, and two pushing mechanisms 4 used for pushing the two positioning blocks 23 to slide on the flat plates 2 along the vertical direction are respectively arranged in each; when the two fixing blocks 22 are respectively contacted with the two front wheels of the vehicle, the two positioning blocks 23 are respectively contacted with the two rear wheels of the vehicle.

In a normal state, the tops of the two positioning blocks 23 are not higher than the top of the flat plate 2, the vehicle drives towards the flat plate 2, when two front wheels of the vehicle are respectively contacted with the two fixing blocks 22, the two pushing mechanisms 4 respectively push the two positioning blocks 23 to move upwards, the tops of the two positioning blocks 23 are higher than the top of the flat plate 2, the vehicle is fixed at the top of the flat plate 2 through the two positioning blocks 23 and the two fixing blocks 22, the flat plate 2 carrying the vehicle is pushed by the driving assembly 12 to move along the vertical direction, and when the vehicle is lifted, the front tires and the rear tires of the vehicle are prevented from being separated from the flat plate.

Referring to fig. 1, one side that fixed block 22 was kept away from to locating piece 23 is provided with the climbing plate 7 that two slopes of fixed connection set up on dull and stereotyped 2, and climbing plate 7 keeps away from one side downward sloping setting of dull and stereotyped 2, and the inclination that is located the climbing plate 7 of dull and stereotyped 2 in top is greater than the inclination that is located the climbing plate 7 of dull and stereotyped 2 in below, and the length that is located climbing plate 7 in top is greater than the length that is located climbing plate 7 in below, and the vehicle can be located dull and stereotyped 2 top through climbing plate 7.

Referring to fig. 1, one side of each of the two fixing blocks 22 close to the two positioning blocks 23 is provided with a cambered surface capable of being matched with two front wheels of the vehicle, and one side of each of the two positioning blocks 23 close to the two fixing blocks 22 is provided with a cambered surface capable of being matched with two rear wheels of the vehicle; so that the front and rear wheels of the vehicle can be better fixed on top of the plate 2.

Referring to fig. 1 and 2, the pushing mechanism 4 is located on one side of the positioning block 23 where the arc surface is located, the pushing mechanism 4 includes a pushing block 42 disposed below the flat plate 2 and a pushing component 41 for pushing the pushing block 42 to move along the length direction of the flat plate 2, the bottoms of the two positioning blocks 23 are both fixedly connected with a sliding block 231, the sliding block 231 slides in the sliding groove 21 along the vertical direction, the bottom of the sliding block 231 is provided with a clamping groove 2311, the clamping groove 2311 penetrates through the sliding block 231 along the length direction of the flat plate 2, an inclined surface is disposed in the clamping groove 2311, and one side of the inclined surface close to the; the two sides of each push block 42 are provided with connecting plates 25 fixedly connected to the bottom of the flat plate 2, the connecting plates 25 are vertically arranged, one side, close to each other, of each of the two connecting plates 25 on the two sides of each push block 42 is fixedly connected with a supporting rod 251 horizontally arranged, the two supporting rods 251 are contacted with the bottom of each push block 42, one side, close to the sliding block 231, of each push block 42 is provided with an inclined surface, the top of each inclined surface is inclined towards one side far away from the sliding block 231, and the inclined surfaces of the push blocks 42 can be matched with the inclined surfaces in the clamping grooves 2311.

In a normal state, the top of the positioning block 23 is not higher than the top of the flat plate 2, when two front wheels of the vehicle are respectively contacted with the two fixing blocks 22, the pushing assembly 41 pushes the pushing block 42 to slide on the two supporting rods 251 in a direction close to the sliding block 231, an inclined plane on the pushing block 42 is matched with an inclined plane in the clamping groove 2311, the pushing block 42 pushes the sliding block 231 to move upwards, the sliding block 231 drives the positioning block 23 to move upwards, the top of the positioning block 23 is higher than the bottom of the flat plate 2, the positioning block 23 and the fixing blocks 22 fix the vehicle on the top of the flat plate 2, and the pushing block 42 and the pushing assembly 41 are convenient for pushing the sliding block 231 to slide on the.

Referring to fig. 2 and 3, the pushing assembly 41 includes a push rod 411 rotatably connected to the push block 42 and a rotating rod 412 disposed at an end of the push rod 411 far away from the push block 42, the rotating rod 412 is rotatably connected to the push rod 411, two sides of each rotating rod 412 are provided with fixing seats 27 fixedly connected to the bottom of the flat plate 2, an end of the rotating rod 412 far away from the push rod 411 is fixedly connected to a rotating shaft 271 whose axial direction is parallel to the width direction of the flat plate 2, and two ends of the rotating shaft 271 respectively penetrate through the two fixing seats 27 at two ends of the rotating shaft 271 and are rotatably connected to the two fixing seats 27; the vertical plate 26 of the vertical setting of dull and stereotyped 2 bottom fixedly connected with, vertical plate 26 is located the dwang 412 and keeps away from the one end of push rod 411, vertical plate 26 is close to dwang 412 one side fixedly connected with two support seats 261, the pivot 262 that fixedly connected with axis direction and dull and stereotyped 2 width direction are parallel between two support seats 261, one side that vertical plate 26 is close to dwang 412 is provided with and drives actuating cylinder 413, the bottom that drives actuating cylinder 413 rotates with pivot 262 and links together, the top tilt up setting that drives actuating cylinder 413 and be provided with the one end of piston rod, the one end fixedly connected with connecting seat 4131 that drives actuating cylinder 413 is close to dwang 412, connecting seat 4131 is the U-shaped setting, dwang 412 is close to push rod 411 one end bottom fixedly connected with connecting block 5, the connecting axle 51 that fixedly connected with axis direction and pivot 262 axis direction are parallel on connecting block 5, connecting.

In a normal state, an included angle exists between the rotating rod 412 and the push rod 411, when the positioning block 23 positions the vehicle, the driving cylinder 413 pushes the rotating rod 412 to move upwards along the inclined angle of the driving cylinder 413, when the rotating rod 412 and the push rod 411 are located on the same horizontal plane, the driving cylinder 413 stops pushing, the positioning block 23 is located at the top of the flat plate 2, the positioning block 23 and the fixing block 22 limit the vehicle, when the vehicle needs to drive away from the top of the flat plate 2, the driving cylinder 413 pulls the rotating rod 412 to return to an initial position, and the positioning block 23 returns to the initial position.

Referring to fig. 4, the bottom of each slider 231 is fixedly connected with a baffle 241 horizontally arranged, the length direction of the baffle 241 is parallel to the width direction of the flat plate 2, the top of each baffle 241 is fixedly connected with a spring 24, one end of each spring 24 far away from the baffle 241 is fixedly connected with the flat plate 2, the bottom of each storage groove 31 is provided with two cushion blocks 32 fixedly connected to the storage plate 3, each cushion block 32 is elastically arranged, and the two cushion blocks 32 in one storage groove 31 can be respectively contacted with the two baffles 241.

In a normal state, the top of the positioning block 23 is not higher than the top of the flat plate 2, the springs 24 are in a normal state, when the positioning block 23 positions a vehicle on the top of the flat plate 2, the two springs 24 are in a compressed state, and after the push block 42 is separated from the sliding block 231, the two springs 24 rebound, and the springs 24 drive the positioning block 23 to move downwards, so that the positioning block 23 returns to an initial position; when spring 24 rebounds, stop 241 contacts pad 32 to facilitate limiting of spring 24.

Referring to fig. 5 and 6, the top of each flat plate 2 is provided with two sliding grooves 28, each sliding groove 28 penetrates through the flat plate 2 along the vertical direction, each sliding groove 28 is communicated with a storage groove 31 located below the flat plate 2, the bottom of each fixing block 22 is fixedly connected with a sliding block 6, each sliding block 6 corresponds to each sliding groove 28 one by one, each sliding block 6 is located in the corresponding sliding groove 28 and slides along the length direction of the flat plate 2, a horizontally arranged sliding rod 61 is fixedly connected between the two sliding blocks 6 located on the same flat plate 2, the sliding rod 61 is located at the bottom of the flat plate 2, the sliding rod 61 is in threaded connection with a screw 63, the axis direction of which is parallel to the length direction of the flat plate 2, the bottom of each flat plate 2 is fixedly connected with two bearing seats 29, the screw 63 penetrates through the two bearing seats 29 along the axis direction of the screw 63 and is rotatably connected with the two bearing seats 29, and the sliding rod 61 and the bearing; the screw 63 is far away from the one end fixedly connected with turning block 62 that fixed block 22 was provided with the cambered surface, and the one end that storing groove 31 is close to screw 63 is provided with the thing groove 33 of seting up on storing board 3, and the thing groove 33 runs through storing board 3 along the length direction of dull and stereotyped 2, and turning block 62 is located and puts the thing groove 33.

The rotating block 62 is rotated, the rotating block 62 drives the screw 63 to rotate, and the screw 63 drives the two sliding blocks 6 to slide in the sliding groove 28 along the length direction of the flat plate 2 through the sliding rod 61, so that the distance between the fixed block 22 and the positioning block 23 is adjusted, and the two fixed blocks 22 and the two positioning blocks 23 can be guaranteed to limit vehicles with different wheelbases.

The implementation principle of the embodiment is as follows: when two front wheels of the vehicle are respectively contacted with the two fixed blocks 22, the driving cylinder 413 pushes the rotating rod 412 to move upwards along the inclination angle of the driving cylinder 413, the rotating rod 412 pushes the pushing block 42 to slide on the two supporting rods 251 towards the direction close to the sliding block 231 through the push rod 411, the spring 24 is compressed, when the rotating rod 412 and the push rod 411 are positioned on the same horizontal plane, the positioning block 23 is positioned at the top of the flat plate 2, and the positioning block 23 and the fixed blocks 22 fix the vehicle at the top of the flat plate 2; when the vehicle needs to drive away from the top of the flat plate 2, the driving cylinder 413 pulls the rotating rod 412 to return to the initial position, the spring 24 rebounds, the positioning block 23 and the sliding block 231 move downwards, and the positioning block 23 returns to the initial position, so that the vehicle drives away from the top of the flat plate 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a four post machines of lifting, includes dull and stereotyped (2) that the level set up and support column (1) of four vertical settings, is provided with on four support columns (1) and is used for driving drive assembly (12) that dull and stereotyped (2) moved along vertical direction, its characterized in that: still including setting up fixed block (22) and locating piece (23) at dull and stereotyped (2) top, spout (21) with locating piece (23) matched with are seted up at the top of dull and stereotyped (2), spout (21) run through dull and stereotyped (2) along vertical direction, locating piece (23) can be located spout (21), locating piece (23) can slide along vertical direction on dull and stereotyped (2), the below of dull and stereotyped (2) all is provided with and is used for promoting locating piece (23) along push mechanism (4) of vertical direction motion, when fixed block (22) contacts with the front wheel of car, locating piece (23) can contact with the car rear wheel.

2. A four-column lift according to claim 1, wherein: the pushing mechanism (4) comprises a pushing block (42) arranged below the flat plate (2) and a pushing assembly (41) used for pushing the pushing block (42) to move towards the direction close to the positioning block (23) or away from the positioning block (23), the bottom of the positioning block (23) is fixedly connected with a sliding block (231), the sliding block (231) slides in the sliding groove (21) along the vertical direction, one side, close to the pushing block (42), of the sliding block (231) is provided with a clamping groove (2311), the clamping groove (2311) penetrates through the sliding block (231) along the moving direction of the pushing block (42), and an inclined plane is arranged in the clamping groove (2311); the bottom of ejector pad (42) is provided with bracing piece (251) that the level set up, and bracing piece (251) fixed connection is on dull and stereotyped (2), and one side that ejector pad (42) is close to slider (231) is provided with the inclined plane, and the inclined plane of ejector pad (42) can cooperate with the inclined plane of draw-in groove (2311) and promote slider (231) and slide along vertical direction.

3. A four-column lift according to claim 2, wherein: promote subassembly (41) including rotate push rod (411) of being connected with ejector pad (42) and set up dwang (412) of keeping away from ejector pad (42) one end at push rod (411), dwang (412) rotate with push rod (411) and link together, dull and stereotyped (2) bottom rigid coupling has fixing base (27), fixing base (27) rotate with dwang (412) and link together, dull and stereotyped (2) bottom rigid coupling riser (26), one side rotation that riser (26) are close to dwang (412) is connected with and drives actuating cylinder (413), the piston rod that drives actuating cylinder (413) rotates with dwang (412) and links together.

4. A four-column lift according to claim 3, wherein: the bottom rigid coupling of slider (231) has baffle (241) that the level set up, and the rigid coupling has spring (24) on baffle (241), and the one end that baffle (241) are kept away from in spring (24) is in the same place with dull and stereotyped (2) rigid coupling.

5. A four-column lift according to claim 4, wherein: the bottom fixedly connected with storing board (3) of dull and stereotyped (2), storing groove (31) have been seted up at storing board (3) top, and pushing mechanism (4) are located storing groove (31), and the below of baffle (241) is provided with cushion (32) of fixed connection on storing board (3), and baffle (241) can contact with cushion (32).

6. A four-column lift according to claim 1, wherein: one side of the positioning block (23) close to the fixing block (22) is provided with a cambered surface matched with the rear wheel, and one side of the fixing block (22) close to the positioning block (23) is provided with a cambered surface matched with the front wheel.

7. A four-column lift according to claim 1, wherein: one side of the positioning block (23) far away from the fixing block (22) is provided with a climbing plate (7) fixedly connected to the flat plate (2), and one side of the climbing plate (7) far away from the flat plate (2) is inclined downwards.

8. A four-column lift according to claim 1, wherein: the fixing block (22) can slide on the flat plate (2) towards the direction close to the positioning block (23) or away from the positioning block (23).

9. A four-column lift according to claim 8, wherein: the top of flat board (2) has been seted up and has been slided groove (28), and it runs through flat board (2) downwards to slide groove (28), and flat board (2) bottom rigid coupling has two and accepts seat (29), and the bottom of flat board (2) is provided with axis direction and fixed block (22) direction of motion parallel screw rod (63), and fixed block (22) and screw rod (63) threaded connection together, and screw rod (63) run through two and accept seat (29) and with two and accept seat (29) rotation connection together along the axis direction of screw rod (63).