CN212150722U

CN212150722U - A casing hoist device for speed reducer assembly

Info

Publication number: CN212150722U
Application number: CN202020387669.1U
Authority: CN
Inventors: 伍德林; 张长平; 焦尚兵; 黄军; 姚小军; 王书君; 张陈
Original assignee: Ma'anshan Jingwei New Energy Transmission Equipment Co ltd
Current assignee: Ma'anshan Jingwei New Energy Transmission Equipment Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-15
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a casing hoist device for speed reducer assembly, drive through the second cylinder, can make the grip block can follow the casing top of speed reducer and apply the clamping-force to the casing, with the cooperation sucking disc centre gripping before hoist and mount the casing, make the casing be four point contact when hoist and mount, thereby the clamping-force contact point of casing hoist and mount has been improved greatly, and then the contact point of having avoided traditional clamping jaw and casing only has the contact point of two clamping jaws, make the casing slope appear easily at hoist and mount in-process, the defect that turns over can appear seriously, make the casing enough clamping-force when hoist and mount, and the drive through first cylinder removes to the preset position on the assembly bench, thereby the hoist and mount precision and the hoist and mount efficiency of casing have been improved greatly, make the casing more stable when hoist and mount.

Description

A casing hoist device for speed reducer assembly

Technical Field

The utility model relates to a hoist device field specifically is a casing hoist device for speed reducer assembly belongs to speed reducer casing hoist device application technical field.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. Play the effect of matching rotational speed and transmission torque between prime mover and machine or actuating mechanism, the speed reducer is when the assembly, the assembly precision of casing directly influences the torque transmission when each axis of rotation of speed reducer rotates, the hoist and mount and the assembly of casing are especially important, the casing of present speed reducer is when hoist, generally adopt the mode cooperation manual operation of pneumatic cylinder drive clamping jaw to hoist the casing to the assembly bench that needs the assembly, make the clamping jaw in clamping process through the mode of pneumatic cylinder drive clamping jaw, the contact point of clamping jaw and casing only has the contact point of two clamping jaws, make the casing incline easily to appear in hoist and mount in-process, the condition that turns over can appear seriously, position accuracy when not only can't satisfy hoist and mount, there is great safe risk simultaneously still, can not satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a casing hoist device for speed reducer assembly, with the casing that solves present speed reducer when hoist and mount, the mode cooperation manual operation that generally adopts the hydraulic cylinder drive clamping jaw hoists the casing to the assembly bench that needs the assembly, the mode through the hydraulic cylinder drive clamping jaw makes the clamping jaw at the centre gripping in-process, the contact point of clamping jaw and casing only has the contact point of two clamping jaws, make the casing incline appears in hoist and mount in-process easily, the serious condition that can appear turning over, position accuracy when not only can't satisfying the hoist and mount, great safety risk has still existed simultaneously, can not satisfy the technical problem who uses needs.

The purpose of the utility model can be realized by the following technical scheme:

a casing hoist device for speed reducer assembly includes: the lifting device comprises a lifting frame, an assembly table, a first guide rail, a first slide block, a movable plate, a first cylinder, a driving cylinder, a bearing plate, a second cylinder, a second guide rail, a second slide block, a clamping plate, a third cylinder, a limiting plate, a limiting block, a driving motor, a first screw rod, a gear and a second screw rod, wherein the first guide rail is symmetrically arranged at the top end of the lifting frame and fixedly connected with the lifting frame through bolts, the top end of the first guide rail is slidably connected with the first slide block, the movable plate is fixedly installed at the top end of the first slide block through bolts, a first push rod is fixedly installed at one end of the movable plate through bolts, the first cylinder is movably installed at one end of the first push rod, a rack is fixedly installed at one end of the first cylinder and fixedly connected with the lifting frame through bolts, the first cylinder is fixedly connected with the lifting frame through the rack, the top, the bottom end of the driving cylinder is movably provided with a telescopic rod, the bottom end of the telescopic rod penetrates through the movable plate to extend downwards, the bottom end of the telescopic rod is fixedly connected with the bearing plate through a bolt, two ends of the bearing plate are symmetrically provided with mounting plates, the mounting plates are fixedly connected with the bearing plate through bolts, the mounting plates are provided with movable grooves, the mounting plates are movably connected with second push rods through the movable grooves, the second push rods are movably connected with second cylinders, the second cylinders are fixedly connected with the mounting plates through bolts, the second push rods are fixedly connected with the clamping plates through clamping grooves formed in the clamping plates, two ends of the clamping plates are symmetrically provided with second slide blocks, the second slide blocks are fixedly connected with the clamping plates through bolts, the top ends of the clamping plates are slidably connected with second guide rails, the second guide rails are fixedly connected with the bearing plate through bolts, the periphery of the bearing plate, the one end of the limiting plate, close to the fixing seat, is provided with a limiting block through a mounting hole, the one end of the limiting plate is provided with a reinforcing rib, the reinforcing rib is fixedly connected with a support through a bolt, the support is symmetrically arranged at one end of a clamping plate, the support is fixedly connected with the clamping plate through a bolt, the support is of an L-shaped structure, and one end of the support is provided with a plurality of suckers used for adsorbing the casing.

Further, the lower extreme of support has the third cylinder through bolt fixed mounting, and the one end movable mounting of third cylinder has the third push rod, and the third push rod passes through mounting hole and fly leaf fixed connection, and the one end of fly leaf passes through mounting hole fixed mounting has a plurality of sucking discs that are used for adsorbing the casing of speed reducer fixedly.

Furthermore, guide rods are symmetrically arranged at two ends of the movable plate and are fixedly connected with the movable plate through mounting holes, one end of each guide rod is movably connected with the corresponding sleeve through a shaft hole, and the corresponding sleeve is fixedly connected with the corresponding support through bolts.

Further, a plurality of movable rods are symmetrically arranged around the bottom end of the movable plate, the movable rods are fixedly connected with the movable plate through mounting holes, the bottom ends of the movable rods are fixedly connected with the fixing seat through the mounting holes, and the fixing seat is fixedly connected with the bearing plate through bolts.

Further, the both ends of assembly bench pass through bolt fixed mounting and have the backup pad, and the one end of backup pad passes through bolt fixed mounting and has the axle sleeve, and the axle sleeve passes through screw hole and first screw rod swing joint, and the support frame upwards extends is run through on the top of first screw rod, and the top of first screw rod is rotated and is connected with driving motor.

Furthermore, the bottom end of the first screw rod is rotatably connected with the support frame through a bearing, the lower end of the first screw rod is rotatably connected with a gear through a key, the gear is movably connected with a transmission gear at the lower end of the second screw rod through a chain, and the second screw rod is movably connected with the support plate through a shaft sleeve.

Furthermore, guide shafts are symmetrically arranged at two ends of the supporting plate and are movably connected with the supporting plate through guide sleeves, the guide sleeves are fixedly connected with the supporting plate through bolts, and the guide shafts are fixedly connected with the supporting frame through mounting holes.

The utility model has the advantages that:

1. the mounting plate is movably connected with a second push rod through a movable groove, the second push rod is movably connected with a second air cylinder, the second air cylinder is fixedly connected with the mounting plate through a bolt, the second push rod is clamped and fixed with a clamping plate through a clamping groove arranged on the clamping plate, the shell of the speed reducer is conveyed to the bottom end of a hoisting frame through a conveying roller, the second push rod is pushed to move through the second air cylinder, so that the second push rod moves in the opposite direction or the reverse direction according to the size of the shell, the clamping plate drives a second sliding block to move along the length direction of a second guide rail, a support drives a sucking disc to clamp and hoist the shell, the clamping plate can apply clamping force to the shell from the top end of the shell of the speed reducer through the driving of the second air cylinder so as to match the clamping of the sucking disc before hoisting of the shell, the shell is in four-point contact during hoisting, and the contact, and then avoided the contact point of traditional clamping jaw and casing only have the contact point of two clamping jaws for the casing inclines easily to appear in hoist and mount in-process, and the defect that turns over can appear seriously, makes the casing enough clamping-force occasionally hoist, and removes to the preset position on the assembly bench through the drive of first cylinder, thereby has improved the hoist and mount precision and the hoist and mount efficiency of casing greatly, makes the casing more stable when hoist and mount.

2. The lower extreme of support has the third cylinder through bolt fixed mounting, the one end movable mounting of third cylinder has the third push rod, the third push rod passes through mounting hole and fly leaf fixed connection, and then when the support carries out the centre gripping along with the removal of grip block to the casing fixed, when the casing size of speed reducer is different, make the third cylinder promote the third push rod to remove, so that the third push rod promotes the fly leaf and removes and offset as for the casing, thereby it is fixed to make the sucking disc can adsorb the not unidimensional casing, promotion through the third push rod, make the sucking disc can adsorb fixedly with the not unidimensional casing, thereby make the absorption of sucking disc more nimble, the stability of casing in hoisting process has been improved greatly, the risk that turns over that has avoided the casing hoisting in-process, thereby the security of casing hoist and mount has been improved greatly.

3. The top of first screw rod is run through the support frame and is upwards extended, the top of first screw rod is rotated and is connected with driving motor, make the casing hoist to the top of mount table when, can highly carry out the adjustment of certain limit to the mount table in vertical direction through the backup pad, make the mount table can be according to the not co-altitude adjustment self height of casing, place the height after making things convenient for the casing hoist and mount to come, thereby under the condition that does not need to increase the drive stroke who drives actuating cylinder, drive through driving motor, the casing hoist and mount demand that different gears were realized to the lift that drives the mount table, thereby the hoist and mount efficiency of casing has been improved greatly.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall installation of the present invention.

Fig. 2 is an installation schematic diagram of the bracket of the present invention.

Fig. 3 is an installation schematic diagram of the third cylinder of the present invention.

Fig. 4 is an installation diagram of the loading plate of the present invention.

Fig. 5 is an installation schematic diagram of the second cylinder of the present invention.

Fig. 6 is an installation schematic diagram of the assembly table of the present invention.

In the figure: 1. a hoisting frame; 2. a transfer drum; 3. an assembly table; 4. a first guide rail; 5. a first slider; 6. moving the plate; 7. a first push rod; 8. a first cylinder; 9. a driving cylinder; 10. a movable rod; 11. a rack; 12. a fixed seat; 13. a carrier plate; 14. a second cylinder; 15. a support; 16. a movable plate; 17. a second guide rail; 18. a second slider; 19. a clamping plate; 20. a third cylinder; 21. a third push rod; 22. a guide bar; 23. mounting a plate; 24. a limiting plate; 25. reinforcing ribs; 26. a limiting block; 27. a second push rod; 28. a suction cup; 29. a drive motor; 30. a first screw; 31. a shaft sleeve; 32. a gear; 33. a second screw; 34. a guide shaft; 35. a guide sleeve; 36. a card slot; 37. a support plate; 38. a support frame.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, a housing lifting device for speed reducer assembly comprises: the lifting frame comprises a lifting frame 1, an assembly table 3, a first guide rail 4, a first slide block 5, a moving plate 6, a first air cylinder 8, a driving air cylinder 9, a bearing plate 13, a second air cylinder 14, a second guide rail 17, a second slide block 18, a clamping plate 19, a third air cylinder 20, a limiting plate 24, a limiting block 26, a driving motor 29, a first screw 30, a gear 32 and a second screw 33, wherein the bottom end of the lifting frame 1 is provided with a conveying roller 2 used for transmitting a speed reducer casing to be assembled to the bottom end of the lifting frame 1, the top end of the lifting frame 1 is symmetrically provided with the first guide rail 4, the first guide rail 4 is fixedly connected with the lifting frame 1 through bolts, the top end of the first guide rail 4 is slidably connected with the first slide block 5, the moving plate 6 is fixedly installed at the top end of the first slide block 5 through bolts, a first push rod 7 is fixedly installed at one end of the first slide block 5 through bolts, one end of the first cylinder 8 is fixedly provided with a rack 11, the rack 11 is fixedly connected with the hoisting frame 1 through a bolt, the first cylinder 8 is fixedly connected with the hoisting frame 1 through the rack 11, the top end of the movable plate 6 is fixedly provided with a driving cylinder 9 through a bolt, the bottom end of the driving cylinder 9 is movably provided with a telescopic rod, the bottom end of the telescopic rod penetrates through the movable plate 6 to extend downwards, the bottom end of the telescopic rod is fixedly connected with the bearing plate 13 through a bolt, two ends of the bearing plate 13 are symmetrically provided with mounting plates 23, the mounting plates 23 are fixedly connected with the bearing plate 13 through bolts, the mounting plates 23 are provided with movable grooves, the mounting plates 23 are movably connected with second push rods 27 through the movable grooves, the second push rods 27 are movably connected with the second cylinders 14, the second cylinders 14 are fixedly connected with the mounting plates 23 through bolts, the second push rods 27 are fixedly, the two ends of the clamping plate 19 are symmetrically provided with second sliding blocks 18, the second sliding blocks 18 are fixedly connected with the clamping plate 19 through bolts, the top end of the clamping plate 19 is slidably connected with a second guide rail 17, the second guide rail 17 is fixedly connected with the bearing plate 13 through bolts, the periphery of the bearing plate 13 is symmetrically provided with movable grooves, the top end of each movable groove is fixedly provided with a limiting plate 24 through bolts, one end, close to the fixing seat 12, of each limiting plate 24 is fixedly provided with a limiting block 26 through a mounting hole, the limiting block 26 is made of rubber, one end of each limiting plate 24 is provided with a reinforcing rib 25, the reinforcing ribs 25 are fixedly connected with the support 15 through bolts, the limiting blocks 26 are used for limiting the moving length of the second push rods 27, the collision between the clamping plates 19 caused in the moving length process of the clamping plates 19 is prevented, the support 15 is symmetrically arranged at one end, the support 15 is of an L-shaped structure, one end of the support 15 is provided with a plurality of suckers 28 for adsorbing the machine shell, when the machine shell is hoisted, the machine shell of the speed reducer is conveyed to the bottom end of the hoisting frame 1 through the conveying roller 2, the driving cylinder 9 is started, the driving cylinder 9 drives the telescopic rod to move downwards, so that the telescopic rod pushes the bearing plate 13 to move downwards, the bearing plate 13 drives the support 15 to move downwards, so that the support 15 moves to one end of the machine shell, the second cylinder 14 is started, the second cylinder 14 pushes the second push rod 27 to move, the second push rod 27 moves in opposite directions or opposite directions according to the size of the machine shell, the clamping plate 19 drives the second slide block 18 to move along the length direction of the second guide rail 17, so that the support 15 clamps and hoists the machine shell through the suckers 28, the first cylinder 8 is started, the first cylinder 8 pushes the first, the first push rod 7 drives the movable plate 6 to move along the length direction of the first guide rail 4, the movable plate 6 drives the bearing plate 13 to move through the plurality of movable rods 10 and the telescopic rods, so that the bearing plate 13 drives the casing of the speed reducer to move to a preset position on the assembly table 3 through the suction disc 28 arranged on the support 15, the clamping plate 19 can apply clamping force to the casing from the top end of the casing of the speed reducer through the driving of the second air cylinder 14, the clamping of the casing before the casing is hoisted by the suction disc 28 in a matching manner, the casing is in four-point contact during hoisting, the clamping force contact point of the casing hoisting is greatly improved, the contact point of the traditional clamping jaw and the casing is avoided, the casing is easy to incline in the hoisting process, the defect that the casing is turned over seriously occurs, and the casing is hoisted with enough clamping force, and the casing is driven by the first air cylinder 8 to move to a preset position on the assembling table 3, so that the hoisting precision and hoisting efficiency of the casing are greatly improved, and the casing is more stable during hoisting.

The lower end of the bracket 15 is fixedly provided with a third cylinder 20 through a bolt, one end of the third cylinder 20 is movably provided with a third push rod 21, the third push rod 21 is fixedly connected with the movable plate 16 through a mounting hole, one end of the movable plate 16 is fixedly provided with a plurality of suckers 28 for adsorbing and fixing the machine shell of the speed reducer through the mounting hole, and further when the bracket 15 clamps and fixes the machine shell along with the movement of the clamping plate 19, when the machine shell of the speed reducer is different in size, the third cylinder 20 is started to push the third push rod 21 to move so that the third push rod 21 pushes the movable plate 16 to move to abut against the machine shell, so that the suckers 28 can adsorb and fix the machine shells of different sizes, and the suckers 28 can adsorb and fix the machine shell of different sizes through the pushing of the third push rod 21, so that the suckers 28 can adsorb and fix the machine shell of different sizes more flexibly, the stability of the machine shell in the hoisting process is greatly improved, the risk of overturning in the hoisting process of the machine shell is avoided, and therefore the hoisting safety of the machine shell is greatly improved.

The two ends of the movable plate 16 are symmetrically provided with guide rods 22, the guide rods 22 are fixedly connected with the movable plate 16 through mounting holes, one end of each guide rod 22 is movably connected with a sleeve through a shaft hole, and the sleeve is fixedly connected with the support 15 through a bolt, so that the guide rods 22 can provide guide support for the movement of the movable plate 16.

The bottom of movable plate 6 is symmetry all around and is provided with a plurality of movable rods 10, a plurality of movable rods 10 all pass through mounting hole and 6 fixed connection of movable plate, mounting hole and fixing base 12 fixed connection are passed through to the bottom of a plurality of movable rods 10, fixing base 12 passes through bolt and 13 fixed connection of loading board, and then when driving actuating cylinder 9 drive telescopic link and driving loading board 13 and reciprocate along vertical direction, a plurality of movable rods 10 can provide the direction for loading board 13, make the removal of loading board 13 more reliable and more stable.

The supporting plates 37 are fixedly mounted at two ends of the assembling table 3 through bolts, the shaft sleeve 31 is fixedly mounted at one end of each supporting plate 37 through a bolt, the shaft sleeve 31 is movably connected with the first screw 30 through a threaded hole, the top end of the first screw 30 penetrates through the supporting frame 38 and extends upwards, and the top end of the first screw 30 is rotatably connected with the driving motor 29.

The bottom end of the first screw 30 is rotatably connected with the supporting frame 38 through a bearing, the lower end of the first screw 30 is rotatably connected with a gear 32 through a key, the gear 32 is movably connected with a transmission gear at the lower end of the second screw 33 through a chain, the second screw 33 is movably connected with a supporting plate 37 through a shaft sleeve 31, and when the driving motor 29 is started, the driving motor 29 drives the first screw 30 to rotate, so that the first screw 30 drives the second screw 33 to rotate through the chain arranged on the gear 33, the first screw 30 and the second screw 33 drive the supporting plate 37 to move up and down while rotating, so that the supporting plate 37 drives the assembly table 3 to move up and down, when the machine shell is hoisted to the upper part of the assembly table 3, the height of the assembly table 3 can be adjusted within a certain range in the vertical direction through the supporting plate 37, and the assembly table 3 can adjust the height according to different heights of the, the height of placing after coming with convenient casing hoist and mount to under the condition that need not increase the drive stroke that drives actuating cylinder 9, through the drive of driving motor 29, the casing hoist and mount demand that different gears were realized to the lift that drives assembly bench 3, thereby improved the hoist and mount efficiency of casing greatly.

The two ends of the supporting plate 37 are symmetrically provided with guide shafts 34, the guide shafts 34 are movably connected with the supporting plate 37 through guide sleeves 35, the guide sleeves 35 are fixedly connected with the supporting plate 37 through bolts, and the guide shafts 34 are fixedly connected with the supporting frame 38 through mounting holes.

The using method of the hoisting device specifically comprises the following steps:

firstly, symmetrically arranging first guide rails 4 at the top end of a hoisting frame 1, so that the first guide rails 4 are fixedly connected with the hoisting frame 1 through bolts, the top end of each first guide rail 4 is connected with a first slider 5 in a sliding manner, the top end of each first slider 5 is fixedly provided with a movable plate 6 through a bolt, one end of each movable plate 6 is fixedly provided with a first push rod 7 through a bolt, one end of each first push rod 7 is movably provided with a first air cylinder 8, the top end of each movable plate 6 is fixedly provided with a movable air cylinder 9 through a bolt, the bottom end of each driving air cylinder 9 is movably provided with a telescopic rod, the bottom end of each telescopic rod penetrates through the corresponding movable plate 6 to extend downwards, and the bottom end of;

secondly, symmetrically arranging mounting plates 23 at two ends of the bearing plate 13, fixedly connecting the mounting plates 23 with the bearing plate 13 through bolts, movably connecting the mounting plates 23 with second push rods 27 through movable grooves, movably connecting the second push rods 27 with second cylinders 14, fixedly connecting the second cylinders 14 with the mounting plates 23 through bolts, fixedly clamping the second push rods 27 with clamping plates 19 through clamping grooves 36 arranged on the clamping plates 19, fixedly connecting the second slide blocks 18 with the clamping plates 19 through bolts, slidably connecting the top ends of the clamping plates 19 with second guide rails 17, and fixedly connecting the second guide rails 17 with the bearing plate 13 through bolts;

thirdly, fixedly mounting a third cylinder 20 at the lower end of the support 15 through a bolt, movably mounting a third push rod 21 at one end of the third cylinder 20, fixedly connecting the third push rod 21 with the movable plate 16 through a mounting hole, and fixedly mounting a plurality of suckers 28 for adsorbing and fixing the shell of the speed reducer at one end of the movable plate 16 through the mounting hole;

fourthly, when hoisting is carried out, the machine shell of the speed reducer is conveyed to the bottom end of the hoisting frame 1 through the conveying roller 2, the driving cylinder 9 is started, the driving cylinder 9 drives the telescopic rod to move downwards, so that the telescopic rod pushes the bearing plate 13 to move downwards, and further the bearing plate 13 drives the support 15 to move downwards, so that the support 15 moves to one end of the machine shell, meanwhile, the second cylinder 14 is started, the second cylinder 14 pushes the second push rod 27 to move, so that the second push rod 27 moves in the opposite direction or in the reverse direction according to the size of the machine shell, and further the clamping plate 19 drives the second slide block 18 to move along the length direction of the second guide rail 17, so that the support 15 clamps and hoists the machine shell through the driving suction disc;

and fifthly, starting the third cylinder 20, enabling the third cylinder 20 to push the third push rod 21 to move, enabling the third push rod 21 to push the movable plate 16 to move to abut against the machine shell, enabling the suction disc 28 to adsorb and fix the machine shells with different sizes, starting the first cylinder 8, enabling the first cylinder 8 to push the first push rod 7 to move, enabling the first push rod 7 to drive the movable plate 6 to move along the length direction of the first guide rail 4, enabling the movable plate 6 to drive the bearing plate 13 to move through the plurality of movable rods 10 and the telescopic rod, and enabling the bearing plate 13 to drive the machine shell of the speed reducer to move to a preset position on the assembly table 3 through the suction disc 28 arranged on the support 15.

When the utility model is used, the mounting plate 23 is movably connected with the second push rod 27 through the movable groove, the second push rod 27 is movably connected with the second cylinder 14, the second cylinder 14 is fixedly connected with the mounting plate 23 through the bolt, the second push rod 27 is fixed with the clamping plate 19 through the clamping groove 36 arranged on the clamping plate 19 in a clamping way, the shell of the speed reducer is conveyed to the bottom end of the hoisting frame 1 through the conveying roller 2, the second push rod 27 is pushed to move through the second cylinder 14, the second push rod 27 moves in opposite direction or reverse direction according to the size of the shell, further the clamping plate 19 drives the second slider 18 to move along the length direction of the second guide rail 17, the support 15 clamps and hoists the shell through the driving suction disc 28, the first cylinder 8 is started, the first cylinder 8 pushes the first push rod 7 to move, so that the first push rod 7 drives the movable plate 6 to move along the length direction of the first guide rail 4, the movable plate 6 drives the bearing plate 13 to move through the movable rods 10 and the telescopic rods, so that the bearing plate 13 drives the casing of the speed reducer to move to a preset position on the assembly table 3 through the sucking disc 28 arranged on the bracket 15, the clamping plate 19 can apply clamping force to the casing from the top end of the casing of the speed reducer through the driving of the second air cylinder 14, the clamping disc 28 is matched for clamping the casing before hoisting, the casing is in four-point contact during hoisting, the clamping force contact point of the casing hoisting is greatly improved, the contact point of the traditional clamping jaw and the casing is avoided to be only the contact point of two clamping jaws, the casing is easy to incline and seriously overturned in the hoisting process, enough clamping force is generated during the hoisting of the casing, and the casing is driven to move to the preset position on the assembly table 3 through the first air cylinder 8, therefore, the hoisting precision and hoisting efficiency of the casing are greatly improved, and the casing is more stable during hoisting; the lower end of the bracket 15 is fixedly provided with a third cylinder 20 through a bolt, one end of the third cylinder 20 is movably provided with a third push rod 21, the third push rod 21 is fixedly connected with the movable plate 16 through a mounting hole, when the bracket 15 clamps and fixes the machine shell along with the movement of the clamping plate 19, when the machine shell size of the speed reducer is different, so that the third cylinder 20 pushes the third push rod 21 to move, so that the third push rod 21 pushes the movable plate 16 to move against the housing, thereby enabling the suction cup 28 to perform suction fixing on the machine shell with different sizes, enabling the suction cup 28 to perform suction fixing with the machine shell with different sizes through the pushing of the third push rod 21, therefore, the suction of the suction disc 28 is more flexible, the stability of the machine shell in the hoisting process is greatly improved, the risk of overturning in the hoisting process of the machine shell is avoided, and the hoisting safety of the machine shell is greatly improved; the top end of the first screw 30 extends upwards through the supporting frame 38, the top end of the first screw 30 is rotatably connected with the driving motor 29, when the driving motor 29 is started, the driving motor 29 drives the first screw 30 to rotate, so that the first screw 30 drives the second screw 33 to rotate through a chain arranged on the gear 33, the first screw 30 and the second screw 33 simultaneously drive the supporting plate 37 to move up and down when rotating, so that the supporting plate 37 drives the assembly table 3 to move up and down, when the casing is hoisted to the upper part of the assembly table 3, the height of the assembly table 3 can be adjusted within a certain range in the vertical direction through the supporting plate 37, so that the assembly table 3 can adjust the height per se according to different heights of the casing, the height of the casing after being hoisted is convenient to place, and under the condition that the driving stroke of the driving cylinder 9 does not need to be increased, through the driving of the driving motor 29, the lifting of the assembly table 3 is driven to meet the shell lifting requirements of different gears, so that the shell lifting efficiency is greatly improved.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a casing hoist device for speed reducer assembly which characterized in that includes: the lifting frame comprises a lifting frame (1), an assembly table (3), a first guide rail (4), a first sliding block (5), a movable plate (6), a first cylinder (8), a driving cylinder (9), a bearing plate (13), a second cylinder (14), a second guide rail (17), a second sliding block (18), a clamping plate (19), a third cylinder (20), a limiting plate (24), a limiting block (26), a driving motor (29), a first screw (30), a gear (32) and a second screw (33), wherein the first guide rail (4) is symmetrically arranged at the top end of the lifting frame (1), the first guide rail (4) is fixedly connected with the lifting frame (1) through bolts, the first sliding block (5) is connected at the top end of the first guide rail (4) in a sliding manner, the movable plate (6) is fixedly installed at the top end of the first sliding block (5) through bolts, a first push rod (7) is fixedly installed at one end of the movable plate, a first cylinder (8) is movably arranged at one end of a first push rod (7), a rack (11) is fixedly arranged at one end of the first cylinder (8), the rack (11) is fixedly connected with a hoisting frame (1) through a bolt, the first cylinder (8) is fixedly connected with the hoisting frame (1) through the rack (11), a driving cylinder (9) is fixedly arranged at the top end of a movable plate (6) through a bolt, a telescopic rod is movably arranged at the bottom end of the driving cylinder (9), the bottom end of the telescopic rod penetrates through the movable plate (6) to extend downwards, the bottom end of the telescopic rod is fixedly connected with a bearing plate (13) through a bolt, mounting plates (23) are symmetrically arranged at two ends of the bearing plate (13), the mounting plates (23) are fixedly connected with the bearing plate (13) through bolts, a movable groove is formed in each mounting plate (23), and the mounting plates (23) are movably connected with a second, the second push rod (27) is movably connected with the second cylinder (14), the second cylinder (14) is fixedly connected with the mounting plate (23) through a bolt, the second push rod (27) is clamped and fixed with the clamping plate (19) through a clamping groove (36) formed in the clamping plate (19), second sliding blocks (18) are symmetrically arranged at two ends of the clamping plate (19), the second sliding blocks (18) are fixedly connected with the clamping plate (19) through bolts, the top end of the clamping plate (19) is slidably connected with the second guide rail (17), the second guide rail (17) is fixedly connected with the bearing plate (13) through bolts, movable grooves are symmetrically arranged around the bearing plate (13), a limiting plate (24) is fixedly arranged at the top end of each movable groove through a bolt, a limiting block (26) is fixedly arranged at one end, close to the fixing seat (12), of the limiting plate (24), a reinforcing rib (25) is arranged at one end of the limiting plate (24), the reinforcing rib (25) is fixedly connected with the support (15) through a bolt, the support (15) is symmetrically arranged at one end of the clamping plate (19), the support (15) is fixedly connected with the clamping plate (19) through a bolt, the support (15) is of an L-shaped structure, and a plurality of suckers (28) used for adsorbing the machine shell are arranged at one end of the support (15).

2. The machine shell hoisting device for assembling the speed reducer according to claim 1, wherein a third cylinder (20) is fixedly installed at the lower end of the support (15) through a bolt, a third push rod (21) is movably installed at one end of the third cylinder (20), the third push rod (21) is fixedly connected with the movable plate (16) through a mounting hole, and a plurality of suckers (28) for adsorbing and fixing the machine shell of the speed reducer are fixedly installed at one end of the movable plate (16) through the mounting hole.

3. The machine shell hoisting device for assembling the speed reducer as claimed in claim 2, wherein the two ends of the movable plate (16) are symmetrically provided with guide rods (22), the guide rods (22) are fixedly connected with the movable plate (16) through mounting holes, one end of each guide rod (22) is movably connected with the sleeve through a shaft hole, and the sleeve is fixedly connected with the support (15) through a bolt.

4. The machine shell hoisting device for speed reducer assembly according to claim 1, wherein a plurality of movable rods (10) are symmetrically arranged around the bottom end of the movable plate (6), the movable rods (10) are all fixedly connected with the movable plate (6) through mounting holes, the bottom ends of the movable rods (10) are fixedly connected with the fixed seat (12) through the mounting holes, and the fixed seat (12) is fixedly connected with the bearing plate (13) through bolts.

5. The machine shell hoisting device for speed reducer assembly according to claim 1, wherein two ends of the assembly table (3) are fixedly provided with support plates (37) through bolts, one ends of the support plates (37) are fixedly provided with shaft sleeves (31) through bolts, the shaft sleeves (31) are movably connected with the first screw rods (30) through threaded holes, the top ends of the first screw rods (30) penetrate through the support frame (38) and extend upwards, and the top ends of the first screw rods (30) are rotatably connected with the driving motors (29).

6. The machine shell hoisting device for speed reducer assembly according to claim 1, wherein the bottom end of the first screw (30) is rotatably connected with the support frame (38) through a bearing, the lower end of the first screw (30) is rotatably connected with a gear (32) through a key, the gear (32) is movably connected with a transmission gear at the lower end of the second screw (33) through a chain, and the second screw (33) is movably connected with the support plate (37) through a shaft sleeve (31).

7. The machine shell hoisting device for assembling the speed reducer as claimed in claim 6, wherein the two ends of the supporting plate (37) are symmetrically provided with guide shafts (34), the guide shafts (34) are movably connected with the supporting plate (37) through guide sleeves (35), the guide sleeves (35) are fixedly connected with the supporting plate (37) through bolts, and the guide shafts (34) are fixedly connected with the supporting frame (38) through mounting holes.