CN112777514A

CN112777514A - Four-column type lifter capable of lifting 20 tons

Info

Publication number: CN112777514A
Application number: CN202010377134.0A
Authority: CN
Inventors: 饶天佑; 赵红阳; 谭晓林
Original assignee: Guangzhou City Guang Jun Hydraulic Electromechanical Equipment Co ltd
Current assignee: Guangzhou City Guang Jun Hydraulic Electromechanical Equipment Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-05-11

Abstract

The invention discloses a four-column lift capable of lifting 20 tons, comprising upright columns, the number of which is four, and which is fixedly connected with the concrete ground by means of expansion screws, and the top of the column is fixedly connected with side beams , an oil cylinder is fixedly connected to the right side of the top of the side beam, and a connecting plate is fixedly connected to the output end of the oil cylinder. The present invention adopts upright column, front end beam, longitudinal beam, rear end beam, side beam, upper plate, oil cylinder, control cabinet, connecting plate, first sprocket, second sprocket, third sprocket, first chain, first chain The combination of the two chains and the connecting block can make the longitudinal beam move up and down, thereby driving the vehicle to move up and down. The combined use of the block and the chute can lock the front-end beam and the rear-end beam, thus ensuring the safety of the equipment.

Description

Four-column type lifter capable of lifting 20 tons

Technical Field

The invention relates to the technical field of lifting machines, in particular to a four-column type lifting machine capable of lifting 20 tons.

Background

The automobile lifter is an automobile maintenance machine used in the automobile maintenance industry, the product property and the quality of the automobile lifter directly influence the personal safety of maintenance personnel, the lifter plays a vital role in the automobile maintenance, and the automobile lifter can not be left for both major maintenance and minor maintenance of the whole automobile.

Disclosure of Invention

The invention aims to provide a four-column type lifting machine capable of lifting 20 tons, which has the advantage of convenient use and solves the problem that the traditional double-cylinder underground steam-driven lifting machine is inconvenient for the overhauling work of automobiles because the light is dim during maintenance and the traditional lifting machine cannot meet the use requirement of lifting weight.

In order to achieve the purpose, the invention provides the following technical scheme: a four-column type lifting machine capable of lifting 20 tons comprises upright columns, the number of the upright columns is four, the upright columns are fixedly connected with the concrete ground through expansion screws, the tops of the upright columns are fixedly connected with side beams, the right sides of the tops of the side beams are fixedly connected with oil cylinders, the output ends of the oil cylinders are fixedly connected with connecting plates, the tops of the right sides of inner cavities of the side beams are movably connected with first chain wheels through rotating shafts, the right sides of the inner cavities of the side beams are positioned below the first chain wheels and are movably connected with second chain wheels through rotating shafts, the left tops of the inner cavities of the side beams are movably connected with third chain wheels through rotating shafts, the tops and the bottoms of one sides, far away from the oil cylinders, of the connecting plates are respectively and fixedly connected with first chains and second chains, one ends, far away from the connecting plates, of the first chains are fixedly connected with connecting blocks through the, one end of the second chain far away from the connecting plate passes through the surfaces of the second chain wheel and the third chain wheel in sequence and extends to the inner cavity of the upright post and is fixedly connected with a rear end beam through a connecting block, the front end and the rear end between the front end cross beam and the rear end cross beam are both fixedly connected with longitudinal beams, the inner cavities of the front end cross beam and the rear end cross beam at one end of the inner cavity of the upright post are fixedly connected with fixing columns, the surface of the fixed column is sleeved with a torsional spring, the surface of the torsional spring is sleeved with a locking hook, the bottom of the right side of the locking hook is fixedly connected with a pin shaft, the surface of the pin shaft is connected with a movable rod in a sliding way, the right end of the movable rod is connected with a hydraulic telescopic rod in a threaded way, the right-hand member of hydraulic telescoping rod passes through pivot and rear end crossbeam swing joint, the inner chamber of rear end crossbeam just is located the spacing post of top fixedly connected with on locking couple right side, one side fixedly connected with couple piece of stand inner chamber.

Preferably, the right side of the rear end cross beam is provided with an upper vehicle plate, and the bottom of the upper vehicle plate is fixedly connected with the concrete floor.

Preferably, the surface of the moving rod is provided with a sliding groove, and an inner cavity of the sliding groove is movably connected with the pin shaft.

Preferably, the oil cylinder and the hydraulic telescopic rod are both connected with a control cabinet through pipelines, and the bottom of the control cabinet is fixedly connected with universal wheels.

Preferably, the top of the upright post is provided with a through hole, and the diameter of the through hole is larger than the diameters of the first chain and the second chain.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention can lock the front end cross beam and the rear end cross beam by matching the upright column, the front end cross beam, the longitudinal beam, the rear end cross beam, the side beam, the upper vehicle plate, the oil cylinder, the control cabinet, the connecting plate, the first chain wheel, the second chain wheel, the third chain wheel, the first chain, the second chain and the connecting block, thereby driving the vehicle to move up and down.

2. The automobile lifting device has the advantages that the upper automobile plate is arranged, an automobile can be conveniently driven to the longitudinal beam, maintenance work can be better guaranteed, moving space can be provided for the locking hook through the sliding groove, lifting work can be better guaranteed, the first chain and the second chain can smoothly move up and down through the through hole, and lifting work can be better guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connecting structure of an oil cylinder and a longitudinal beam according to the present invention;

FIG. 3 is a schematic view of a connection structure of a rear end beam and a column according to the present invention.

In the figure: 1. a column; 2. a front end cross member; 3. a stringer; 4. a rear end cross member; 5. a side beam; 6. a vehicle loading plate; 7. an oil cylinder; 8. a control cabinet; 9. a connecting plate; 10. a first sprocket; 11. a second sprocket; 12. a third sprocket; 13. a first chain; 14. a second chain; 15. connecting blocks; 16. fixing a column; 17. a torsion spring; 18. locking the hook; 19. a pin shaft; 20. a travel bar; 21. a hydraulic telescopic rod; 22. a limiting column; 23. a hook block; 24. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

Referring to fig. 1-3, a four-column type lifting machine capable of lifting 20 tons comprises four upright columns 1, four upright columns 1 are fixedly connected with a concrete ground through expansion screws, a side beam 5 is fixedly connected to the top of each upright column 1, an oil cylinder 7 is fixedly connected to the right side of the top of each side beam 5, the oil cylinders 7 and a hydraulic telescopic rod 21 are both connected with a control cabinet 8 through pipelines, universal wheels are fixedly connected to the bottom of the control cabinet 8, a connecting plate 9 is fixedly connected to the output end of each oil cylinder 7, a first chain wheel 10 is movably connected to the top of the right side of the inner cavity of each side beam 5 through a rotating shaft, a second chain wheel 11 is movably connected to the right side of the inner cavity of each side beam 5 through a rotating shaft and is positioned below the first chain wheel 10, a third chain wheel 12 is movably connected to the top of the left side of the inner cavity of each side beam 5 through a rotating shaft, one end of the first chain 13, far away from the connecting plate 9, passes through the surface of the first chain wheel 10 and penetrates through the inner cavity of the upright post 1 to be fixedly connected with a connecting block 15, the top of the upright post 1 is provided with a through hole, the diameter of the through hole is larger than the diameters of the first chain 13 and the second chain 14, the first chain 13 and the second chain 14 can smoothly move up and down by arranging the through hole, the lifting work is better ensured to be carried out, the bottom of the connecting block 15 is fixedly connected with a front end cross beam 2, one end of the second chain 14, far away from the connecting plate 9, sequentially passes through the surfaces of the second chain wheel 11 and the third chain wheel 12, extends to the inner cavity of the upright post 1 and is fixedly connected with a rear end cross beam 4 by the connecting block 15, the right side of the rear end cross beam 4 is provided with an upper vehicle plate 6, the bottom of the upper vehicle plate 6 is fixedly connected, the maintenance work is better ensured to be carried out, the longitudinal beam 3 is fixedly connected at the front end and the rear end between the front end cross beam 2 and the rear end cross beam 4, the inner cavity of the front end cross beam 2 and the rear end cross beam 4, which is positioned at one end of the inner cavity of the upright post 1, is fixedly connected with the fixed column 16, the surface of the fixed column 16 is sleeved with the torsion spring 17, the surface of the torsion spring 17 is sleeved with the locking hook 18, the bottom of the right side of the locking hook 18 is fixedly connected with the pin shaft 19, the surface of the pin shaft 19 is slidably connected with the moving rod 20, the surface of the moving rod 20 is provided with the sliding groove 24, the inner cavity of the sliding groove 24 is movably connected with the pin shaft 19, the movable space for moving the locking hook 18 can be provided by arranging the sliding groove 24, the ascending work is better ensured to be carried out, the right end of the moving rod 20 is in threaded connection with the hydraulic telescopic rod 21, one side of the inner cavity of the upright post 1 is fixedly connected with a hook block 23, the longitudinal beam 3, the rear end cross beam 4, the side beam 5, the upper vehicle plate 6, an oil cylinder 7, a control cabinet 8, a connecting plate 9, a first chain wheel 10, a second chain wheel 11, a third chain wheel 12, a first chain 13, a second chain 14 and a connecting block 15 are matched for use, the longitudinal beam 3 can be made to move up and down, so that a vehicle can be driven to move up and down, the front end cross beam 2 and the rear end cross beam 4 can be locked through the matching use of a fixed column 16, a torsion spring 17, a locking hook 18, a pin shaft 19, a moving rod 20, a hydraulic telescopic rod 21, a limit column 22, a hook block 23 and a sliding groove 24, so that the safety of the equipment is ensured, a good lighting, convenient operation, safe and comfortable working environment can be provided for automobile repair by adopting the equipment, and the equipment can stably operate, The noise is small, the vibration is small, the operation space is wide, and great convenience is brought to maintenance work.

The control mode of the invention is automatically controlled by the control cabinet 8, the control circuit of the control cabinet 8 can be realized by simple programming of technicians in the field, the invention belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

When the device is used, when the device is lowered to the lowest, an automobile can directly drive into the surfaces of the longitudinal beams 3 through the upper plate 6, so that the condition that the automobile is in the center of the two longitudinal beams 3 is ensured, and a lifted automobile is fastened with a hand brake and is fixed and stable;

then a switch of a control cabinet 8 is started, an oil pump starts to work after a lifting button is pressed, hydraulic oil is input into the oil cylinder 7, a piston rod is pulled into the oil cylinder 7 under the action of the oil pressure, then a first chain 13 and a second chain 14 are driven to contract through a connecting plate 9, the first chain 13 and the second chain 14 can drive a front end cross beam 2 and a rear end cross beam 4 to lift, the front end cross beam 2 and the rear end cross beam 4 drive a longitudinal beam 3 to lift, and the longitudinal beam 3 drives an automobile to lift to finish the lifting work;

after rising suitable position, stretch out through hydraulic telescoping rod 21 and drive carriage release lever 20 and remove, carriage release lever 20 drives round pin axle 19 and removes, and round pin axle 19 drives locking couple 18 and removes, and locking couple 18 forms self-locking function in entering into the cavity between couple piece 23 to carry out the locking to front end crossbeam 2 and rear end crossbeam 4, can overhaul work to the car this moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A four-column lift capable of lifting 20 tons, comprising a column (1), characterized in that: the number of the column (1) is four, and is fixedly connected to the concrete ground through expansion screws, and the A side beam (5) is fixedly connected to the top of the upright column (1), an oil cylinder (7) is fixedly connected to the right side of the top of the side beam (5), and a connecting plate (9) is fixedly connected to the output end of the oil cylinder (7). ), the top of the inner cavity of the side beam (5) is movably connected with a first sprocket (10) through a rotating shaft, and the right side of the inner cavity of the side beam (5) is located on the right side of the first sprocket (10). A second sprocket (11) is movably connected below through a rotating shaft, a third sprocket (12) is movably connected to the top of the left side of the inner cavity of the side beam (5) through a rotating shaft, and the connecting plate (9) is far away from the oil cylinder ( 7) A first chain (13) and a second chain (14) are fixedly connected to the top and bottom of one side respectively, and the end of the first chain (13) away from the connecting plate (9) passes through the first sprocket (10) A connecting block (15) is fixedly connected to the inner cavity of the column (1), the bottom of the connecting block (15) is fixedly connected to the front beam (2), and the second chain (14) is far away from the connecting plate One end of (9) passes through the surfaces of the second sprocket (11) and the third sprocket (12) in turn and extends to the inner cavity of the column (1) and is fixedly connected with the rear end beam (4) through the connecting block (15). , longitudinal beams (3) are fixedly connected to the front end and the rear end between the front end beam (2) and the rear end beam (4), and the front end beam (2) and the rear end beam (4) are located in the upright column (1). ) The inner cavity of one end of the inner cavity is fixedly connected with a fixing column (16), the surface of the fixing column (16) is sleeved with a torsion spring (17), and the surface of the torsion spring (17) is sleeved with a locking hook ( 18), a pin shaft (19) is fixedly connected to the bottom of the right side of the locking hook (18), and a moving rod (20) is slidably connected to the surface of the pin shaft (19). The right end is threadedly connected with a hydraulic telescopic rod (21), and the right end of the hydraulic telescopic rod (21) is movably connected with the rear end beam (4) through a rotating shaft, and the inner cavity of the rear end beam (4) is located in the locking hook ( 18) The top of the right side is fixedly connected to a limiting column (22), and a hook block (23) is fixedly connected to one side of the inner cavity of the column (1).

2 . The four-post lift capable of lifting 20 tons according to claim 1 , characterized in that: the right side of the rear end beam ( 4 ) is provided with an upper plate ( 6 ), and the upper The bottom of the car board (6) is fixedly connected with the concrete ground.

3. A four-post lift capable of lifting 20 tons according to claim 1, characterized in that: the surface of the moving rod (20) is provided with a chute (24), the chute (24) ) is movably connected with the pin (19).

4. A four-post lift capable of lifting 20 tons according to claim 1, wherein the oil cylinder (7) and the hydraulic telescopic rod (21) are connected with a control cabinet (8) through pipelines ), a universal wheel is fixedly connected to the bottom of the control cabinet (8).

5. A four-column lift capable of lifting 20 tons according to claim 1, characterized in that: the top of the column (1) is provided with a through hole, and the diameter of the through hole is larger than that of the first chain (13 ) and the diameter of the second chain (14).