Lifting machine for automobile maintenance
Technical Field
The utility model relates to an auto repair technical field specifically is a crane for auto repair.
Background
The general working procedure is that the engine cover is removed to expose the engine on the upper part of the frame, the fastening bolt between the engine and the frame is removed, the engine is hoisted and transferred to a special workbench by a hoisting tool, and the engine is hoisted and mounted on the automobile by the hoisting tool after the overhaul is finished.
In the prior art, when the crane for automobile maintenance lifts an engine, a lifting rope bears the whole weight of the engine, so that the lifting rope is easy to wear or even break due to long-time bearing in the process of lifting the engine, and the safety of the engine and maintenance personnel is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a lifting machine for auto repair has solved, leads to the lifting rope to appear wearing and tearing or even fracture because of long-time bearing easily at the in-process of handling engine, influences the problem of engine and maintenance personal safety.
(II) technical scheme
In order to achieve the above purpose, the utility model provides a following technical scheme: a crane for automobile maintenance comprises a supporting seat, wherein a supporting arm and a guide frame are arranged above the supporting seat, the outer surface of the supporting arm is connected with the inner wall of the guide frame in a sliding manner, the bottom of the supporting arm is fixedly connected with a lifting hook used for lifting an automobile engine and a lifting rope, the left side of the bottom of the guide frame is fixedly connected with a hinged block, the front side and the rear side of the hinged block are respectively and rotatably connected with a group of connecting blocks, the bottom of each connecting block is fixedly connected with a stand column, the bottom of each stand column is fixedly connected with a bearing plate, the front side and the rear side of each bearing plate are respectively and fixedly connected with the inner wall of the supporting seat, a hydraulic cylinder is arranged on the right side of each stand column, the bottom of each hydraulic cylinder is fixedly connected with an installation block, the front side and the rear side of each installation block are respectively and rotatably provided with a group of T-shaped plates, the left ends of the opposite sides of the two groups of the T-shaped plates are respectively and fixedly connected with the outer surface of the stand columns, and the output end of each hydraulic cylinder is in a keyed connection with a push block, a concave plate is arranged above the push block, the inner wall of the concave plate is connected with the outer surface of the guide frame in a sliding manner, a group of side plates are connected to the front side and the rear side of the push block in a rotating manner, the top of each side plate is fixedly connected with the bottom of the concave plate, a supporting plate for supporting an automobile engine is arranged on the right side of the hydraulic cylinder, two groups of limiting plates are connected to the left side of the supporting plate in a sliding manner, the opposite sides of the two groups of limiting plates are fixedly connected with the inner walls of the front side and the rear side of the supporting seat respectively, two groups of lifting blocks are fixedly connected to the left side of the supporting plate, a group of first connecting rods are connected to the opposite sides of the two groups of lifting blocks in a rotating manner, a second connecting rod is connected to the left end of each first connecting rod in a rotating manner, transverse plates are arranged below the supporting plate, the front side and the rear side of each transverse plate are fixedly connected with the inner walls of the supporting seat, a motor is fixedly mounted at the top of each transverse plate, and the output end of the motor is connected with a positioning screw rod through a key, the outer surface of the positioning screw is in threaded connection with a positioning block, and the left ends of the two groups of second connecting rods are respectively in rotary connection with the front side and the rear side of the positioning block.
Preferably, the equal fixedly connected with a set of anchor strut in both sides around the stand, the bottom of anchor strut and the top fixed connection of supporting seat.
Preferably, the opposite sides of the two groups of lifting blocks are respectively in sliding connection with the opposite sides of the two groups of limiting plates, and the front side and the rear side of the supporting plate are in contact with the inner wall of the supporting seat.
Preferably, the left end of the positioning screw is rotatably connected with the right side of the bearing plate, the left side of the positioning block is in contact with the right side of the bearing plate, and a gap is reserved between the top of the motor and the bottom of the supporting plate.
Preferably, the top of the support arm is fixedly connected with a sliding block, and the top of the guide frame is provided with a sliding groove in sliding connection with the outer surface of the sliding block.
Preferably, a gap is reserved between the top of the push block and the bottom of the concave plate, and the back-to-side sides of the two groups of side plates and the front side and the rear side of the concave plate are located on the same vertical plane respectively.
(III) advantageous effects
Compared with the prior art, the utility model provides a lifting machine for auto repair possesses following beneficial effect:
1. this lifting machine for auto repair, through setting up first connecting rod and second connecting rod, when making positioning screw drive the locating piece and move along the horizontal direction, the left end of first connecting rod is followed the locating piece motion, the second connecting rod rotates and drives elevator and layer board and rise relatively first connecting rod, so that the bottom contact of layer board and engine provides the support for automobile engine, thereby reduce the wearing and tearing that lifting hook and lifting rope produced when handling automobile engine and reduce the cracked probability of lifting rope, thereby the operation safety of guarantee device.
2. This loop wheel machine for auto repair, through setting up the limiting plate for the limiting plate supports the left side of layer board, so that layer board and elevator keep steadily at the lift in-process, avoid the layer board to take place to overturn and influence the support effect that the layer board provided for automobile engine, drive the locating piece motion through setting up positioning screw, because positioning screw has self-locking function, so that maintain the stability of locating piece, further guarantee the layer board for automobile engine provides the stability when supporting.
3. This lifting machine for auto repair, realize being connected between guide frame and the supporting seat through setting up stand and loading board, so that the guide frame follows the supporting seat and removes and maintain the stability of guide frame, and set up articulated piece and connecting block, so that guide frame and the relative stand of support arm rotate, be convenient for support arm and lifting hook hoist automobile engine, through setting up two sets of T templates and installation piece, so that when the pneumatic cylinder moves and keep relatively stable between the stand, when avoiding the relative stand of pneumatic cylinder to rotate and bump between the stand.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a second link structure of the present invention;
fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.
In the figure: 1. a supporting seat; 2. a guide frame; 3. a support arm; 4. a hook; 5. a column; 6. a hinged block; 7. connecting blocks; 8. a T-shaped plate; 9. a hydraulic cylinder; 10. a push block; 11. a concave plate; 12. a side plate; 13. a reinforcing rod; 14. a support plate; 15. a lifting block; 16. a first link; 17. a second link; 18. positioning blocks; 19. positioning a screw rod; 20. a carrier plate; 21. a motor; 22. a transverse plate; 23. mounting blocks; 24. a slider; 25. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a lifting machine for automobile maintenance comprises a supporting seat 1, a supporting arm 3 and a guide frame 2 are arranged above the supporting seat 1, the outer surface of the supporting arm 3 is in sliding connection with the inner wall of the guide frame 2, a lifting hook 4 for lifting an automobile engine and a lifting rope is fixedly connected to the bottom of the supporting arm 3, a hinging block 6 is fixedly connected to the left side of the bottom of the guide frame 2, a group of connecting blocks 7 is rotatably connected to the front side and the rear side of the hinging block 6, a vertical column 5 is fixedly connected to the bottom of the connecting blocks 7, a bearing plate 20 is fixedly connected to the bottom of the vertical column 5, the front side and the rear side of the bearing plate 20 are fixedly connected to the inner wall of the supporting seat 1, a hydraulic cylinder 9 is arranged on the right side of the vertical column 5, a mounting block 23 is fixedly connected to the bottom of the hydraulic cylinder 9, a group of T-shaped plates 8 are rotatably mounted on the front side and the rear side of the mounting block 23, and the left ends of the opposite sides of the two groups of the T-shaped plates 8 are fixedly connected to the outer surface of the vertical column 5, the output end of the hydraulic cylinder 9 is connected with a push block 10 by a key, a concave plate 11 is arranged above the push block 10, the inner wall of the concave plate 11 is connected with the outer surface of the guide frame 2 in a sliding way, the front side and the rear side of the push block 10 are both connected with a group of side plates 12 in a rotating way, the top of each side plate 12 is fixedly connected with the bottom of the concave plate 11, the right side of the hydraulic cylinder 9 is provided with a supporting plate 14 for supporting an automobile engine, the left side of the supporting plate 14 is connected with two groups of limiting plates 25 in a sliding way, the back sides of the two groups of limiting plates 25 are respectively and fixedly connected with the inner walls of the front side and the rear side of the supporting seat 1, the left side of the supporting plate 14 is fixedly connected with two groups of lifting blocks 15, the opposite sides of the two groups of lifting blocks 15 are both connected with a group of first connecting rods 16 in a rotating way, the left end of each first connecting rod 16 is connected with a second connecting rod 17 in a rotating way, the transverse plate 22 is arranged below the supporting plate 14, a motor 21 is fixedly arranged at the top of the transverse plate 22, the output end of the motor 21 is connected with a positioning screw rod 19 through a key, the outer surface of the positioning screw rod 19 is connected with a positioning block 18 through threads, and the left ends of the two groups of second connecting rods 17 are respectively connected with the front side and the rear side of the positioning block 18 in a rotating mode.
Specifically, for the stability of improving the device, the equal a set of anchor strut 13 of fixedly connected with in both sides around the stand 5, the bottom of anchor strut 13 and the top fixed connection of supporting seat 1 for anchor strut 13 provides the support for stand 5, thereby improves stand 5's bearing capacity, and stand 5 is convenient for remain stable when support arm 3 and lifting hook 4 hoist automobile engine.
Specifically, in order to ensure that layer board 14 moves along the vertical direction, the opposite side of two sets of elevator blocks 15 respectively with the opposite side sliding connection of two sets of limiting plates 25, both sides all contact with the inner wall of supporting seat 1 around layer board 14 for slide along the opposite side of two sets of limiting plates 25 respectively when two sets of elevator blocks 15 drive layer board 14 to go up and down, further improve the spacing effect that limiting plates 25 provided for layer board 14.
Specifically, in order to improve the safety of the device, the left end of the positioning screw 19 is rotatably connected to the right side of the bearing plate 20, the left side of the positioning block 18 is in contact with the right side of the bearing plate 20, a gap is left between the top of the motor 21 and the bottom of the supporting plate 14, so that the positioning block 18 is limited by the bearing plate 20 when moving to the farthest left, so as to prevent the positioning block 18 from being separated from the positioning screw 19, and the supporting plate 14 descends to the lowest point, so as to prevent the motor 21 from being damaged due to the collision between the supporting plate 14 and the motor 21.
Specifically, in order to improve the practicability of the device, the slide groove connected with the outer surface of the slide block 24 is formed in the top of the support arm 3 and the top of the guide frame 2, so that the slide block 24 at the position where the worker adjusts the support arm 3 slides along the inner wall of the slide groove, and the worker can conveniently confirm the relative position between the support arm 3 and the guide frame 2.
Specifically, for the operation safety of guarantee device, leave the space between the top of ejector pad 10 and the bottom of concave plate 11, make the in-process of ejector pad 10 motion can not collide with the bottom of concave plate 11, the opposite side of two sets of curb plates 12 is located same perpendicular with the front and back both sides of concave plate 11 respectively, make two sets of curb plates 12 to the even application of force of concave plate 11, the concave plate 11 shifts because of the atress inequality when following the motion of pneumatic cylinder 9 output for ejector pad 10, thereby guarantee the relative stability between concave plate 11 and guide frame 2.
The working principle is as follows: when the lifting rope is used, the moving device is moved to a position near an automobile to be maintained, a lifting rope hung on a lifting hook 4 is wound on the outer side of an automobile engine, then a hydraulic cylinder 9 is started, an output end of the hydraulic cylinder 9 drives a push block 10 to move, the push block 10 drives a concave plate 11 to slide along the bottom of a guide frame 2 through a side plate 12, so that the concave plate 11 pushes the guide frame 2 to rotate relative to a column 5, so that a support arm 3 and the lifting hook 4 lift the automobile engine through the lifting rope, then a motor 21 is started, a positioning screw 19 rotates along with the output end of the motor 21 and drives a positioning block 18 to horizontally move, the positioning block 18 drives a lifting block 15 and a support plate 14 to ascend through a first connecting rod 16 and a second connecting rod 17 until the top of the support plate 14 abuts against the bottom of the automobile engine, so that the pressure reduction of the lifting rope is realized, and the support plate 14 provides support for the engine when the lifting rope is broken due to excessive wear, so as to prevent the engine from falling onto the ground.
To sum up, the crane for automobile maintenance is provided with the first connecting rod 16 and the second connecting rod 17, so that when the positioning screw 19 drives the positioning block 18 to move along the horizontal direction, the left end of the first connecting rod 16 moves along with the positioning block 18, the second connecting rod 17 rotates relative to the first connecting rod 16 and drives the lifting block 15 and the supporting plate 14 to ascend so that the supporting plate 14 contacts with the bottom of an engine and provides support for the automobile engine, thereby reducing the abrasion generated when the lifting hook 4 and a lifting rope lift the automobile engine and reducing the probability of breakage of the lifting rope, ensuring the operation safety of the device, and by arranging the limiting plate 25, the limiting plate 25 abuts against the left side of the supporting plate 14 so that the supporting plate 14 and the lifting block 15 are kept stable in the lifting process, and avoiding the supporting plate 14 from overturning to influence the supporting effect provided by the supporting plate 14 for the automobile engine, drive the motion of locating piece 18 through setting up positioning screw 19, because positioning screw 19 has self-locking function, so that the stability of locating piece 18 is maintained, stability when further ensuring layer board 14 provides support for automobile engine, realize being connected between guide frame 2 and the supporting seat 1 through setting up stand 5 and loading board 20, so that guide frame 2 follows the supporting seat 1 and removes and maintain the stability of guide frame 2, and set up articulated piece 6 and connecting block 7, so that guide frame 2 and support arm 3 rotate relative to stand 5, be convenient for support arm 3 and lifting hook 4 lift automobile engine, through setting up two sets of T type board 8 and installation piece 23, so that keep relatively stable between hydraulic cylinder 9 during the motion and the stand 5, avoid bumping between hydraulic cylinder 9 and the stand 5 when rotating relative to stand 5.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
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.