CN117226413B - Rear frame welding device of loader - Google Patents
Rear frame welding device of loader Download PDFInfo
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- CN117226413B CN117226413B CN202311493503.2A CN202311493503A CN117226413B CN 117226413 B CN117226413 B CN 117226413B CN 202311493503 A CN202311493503 A CN 202311493503A CN 117226413 B CN117226413 B CN 117226413B
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- supporting plate
- sliding
- rear frame
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- 238000003466 welding Methods 0.000 title claims abstract description 76
- 230000008093 supporting effect Effects 0.000 claims abstract description 72
- 230000007306 turnover Effects 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 11
- 238000010030 laminating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 38
- 230000001360 synchronised effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Abstract
The invention discloses a rear frame welding device of a loader, which belongs to the field of rear frame welding and comprises a workbench, wherein a U-shaped protection plate is fixedly connected to the outer surface of the upper end of the workbench, welding equipment is fixedly connected to the rear side of the U-shaped protection plate, a turnover assembly is arranged on the inner side of the U-shaped protection plate and comprises a rotating shaft which is rotationally connected with the U-shaped protection plate, three groups of fixing seats are fixedly connected to the outer surface of the rotating shaft, and a supporting plate for placing a rear frame is fixedly connected to the outer surface of the upper end of each fixing seat. Can realize can overturn back frame to suitable welding angle when carrying out back frame welding to can satisfy welding process needs better, and compare in the upset mode that adopts artifical cooperation driving, can greatly reduce the risk that unexpected falls in the back frame upset in-process when greatly improving upset efficiency and reducing workman intensity of labour, and then can improve back frame welding set's security effectively.
Description
Technical Field
The invention relates to the field of rear frame welding, in particular to a rear frame welding device of a loader.
Background
The loader is a kind of earth-rock construction machinery widely used in construction projects such as highway, railway, architecture, hydropower, harbor, mine, etc., the rear frame of the loader is one of the core parts of the loader, it is one of the most important parts forming the chassis of the loader, locate in the latter half of the loader, used for installing and fixing many parts such as engine, gearbox, radiator, hydraulic pump, etc.;
the traditional rear frame welding device of the loader is adjusted by utilizing the planetary balance pin speed reducer and the frequency converter when the angle of the rear frame of the loader is adjusted, but the rotation angle cannot be visually displayed, so that a user cannot know the adjusted angle in the adjusting process, deviation is easy to occur during the adjustment, and the welding precision is affected;
the Chinese patent with the publication number of CN115815864B discloses a rear frame welding device of the loader, good clamping can be realized by the aid of the clamping device, the pointing block slides against the top of the corner dial when rotating, the rotating angle can be known clearly, a user can know the adjusting angle in the adjusting process, deviation is not easy to occur in the adjusting process, and therefore the welding precision of the rear frame of the loader can be improved;
the problem that the rotation angle is inconvenient to observe is solved for the traditional welding device, but when the rear frame welding device welds the rear frame of the loader, the rear frame of the loader can only be driven to swing in the horizontal direction to adjust the welding angle, and because the rear frame of the loader needs to bear very large load in the use process, double-sided welding is needed in the actual welding process to improve the stability of the rear frame structure, so frequent turnover of the rear frame is needed in the welding process, the traditional welding device still needs to turn the rear frame of the loader through manual cooperation of a travelling crane, the turnover mode is time-consuming and labor-consuming, the labor intensity of workers is increased, and the risk that the rear frame of the loader falls exists in the turnover process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the rear frame welding device of the loader, which can realize that the rear frame can be turned to a proper welding angle when the rear frame is welded by arranging the turning assembly, so that the welding processing requirement can be better met, and compared with a turning mode of manually matching with a travelling crane, the safety of the rear frame welding device can be effectively improved while greatly improving the turning efficiency, reducing the labor intensity of workers and greatly reducing the risk of unexpected falling in the turning process of the rear frame.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a frame welding set behind loader, includes the workstation, workstation upper end surface fixedly connected with U type guard plate, U type guard plate rear side fixedly connected with welding equipment, U type guard plate inboard is provided with the upset subassembly, and the upset subassembly includes the pivot of rotating with U type guard plate and being connected, pivot surface fixedly connected with three sets of fixing bases, fixing base upper end surface fixedly connected with is used for placing the layer board of back frame, be provided with displacement subassembly on the layer board;
the displacement assembly comprises a baffle fixedly connected with the right end of the supporting plate, an electric push rod is fixedly connected with the outer surface of the left end of the baffle, a first sliding chute is formed in the outer surface of the upper end of the supporting plate, a push plate is slidably connected with the outer surface of the upper end of the supporting plate through the first sliding chute, a through hole is formed in the outer surface of the right end of the push plate, the position of the through hole corresponds to that of the electric push rod, and a clamping assembly is arranged at the left end of the supporting plate;
the clamping assembly comprises a supporting plate fixedly connected with the left end of the supporting plate, a second sliding groove is formed in the outer surface of the right end of the supporting plate, a pressing plate is slidably connected with the outer surface of the right end of the supporting plate through the second sliding groove, the pressing plate penetrates to the left side of the supporting plate through the second sliding groove and is hinged to a connecting rod, a pin shaft is rotatably connected to the lower end of the connecting rod, a push rod is rotatably connected to the outer surface of the pin shaft, the push rod penetrates to the right side of the supporting plate and is slidably connected with the supporting plate, and a positioning assembly is arranged on the upper side of the supporting plate.
Further, the outer surface of the right end of the U-shaped protection plate is fixedly connected with a servo motor, the left end and the right end of the rotating shaft penetrate through the outer side of the U-shaped protection plate and are rotationally connected with the U-shaped protection plate, and an output shaft of the servo motor is fixedly connected with the right end of the rotating shaft.
Further, the displacement groove is formed in the inner side of the push plate, the displacement groove penetrates to the upper side of the push plate, the movable block is connected to the inner side of the displacement groove in a sliding mode and is of an L-shaped structure, the lower end of the movable block is inclined, and the outer surface of the lower end of the movable block is connected with the sliding plate in a sliding mode.
Further, the slide upper end is the slope form and corresponds with movable block lower extreme surface, slide lower extreme and displacement groove internal surface lower extreme sliding connection, electric putter left end is fixed with the slide magnetism, the quantity of movable block is two sets of and symmetric distribution in the through-hole both sides, two sets of fixedly connected with connecting plate between the movable block.
Further, spout one has been seted up to layer board upper end surface, layer board upper end surface has the grip block through spout one sliding connection, the quantity of push rod is two sets of and is parallel distribution, two sets of push rod right-hand member and grip block fixed connection, the anti-skidding groove has been seted up to grip block surface parallel, clamp plate lower extreme surface fixedly connected with friction pad, clamp plate lower extreme surface is located spout two inboard fixedly connected with spring one, spring lower extreme and spout two internal surface lower extreme fixed connection.
Further, the locating component comprises an air bag I fixedly connected with the outer surface of the right end of the supporting plate, the air bag I is located between the two groups of push rods, the outer surface of the right end of the air bag I is fixedly connected with the left end of the clamping plate, a conduit I is fixedly arranged on the inner side of the supporting plate in an embedded mode, the conduit I is of an L-shaped structure, the upper end of the conduit I penetrates through the inner side of the supporting plate and is communicated with the inner part of the air bag I, a connecting pipe is fixedly connected with the right end of the conduit I, the outer surface of the upper end of the supporting plate is fixedly connected with an air cylinder, the upper end of the connecting pipe is communicated with the inner part of the air cylinder, and a spring II is fixedly connected with the inner surface of the air bag I.
Further, the quantity of pipe one, connecting pipe is two sets of and symmetric distribution in spout one both sides, inflator internal surface sliding connection has the piston board, piston board surface fixedly connected with piston rod, the piston rod runs through to the inflator outside, piston board one end fixedly connected with locating plate is kept away from to the piston rod, the quantity of piston board, piston rod, locating plate is two sets of and is symmetric distribution.
Further, the inner side of the inflator is provided with a compensation component, the compensation component comprises a second conduit arranged on the inner side of the piston rod, the second conduit penetrates to the outer side of the piston plate, a pressure valve is fixedly connected to the inner surface of the second conduit, a third conduit is arranged on the inner side of the positioning plate, one end, far away from the piston plate, of the second conduit is communicated with the three phases of the conduits, an air bag II is fixedly connected to the outer surface of the positioning plate in an embedded mode, and the second conduit is in a ring shape and is communicated with the inner portion of the air bag II.
Further, the supporting component is arranged on the inner side of the supporting plate, the supporting component comprises a movable groove arranged on the inner side of the supporting plate, the lower end of the pushing plate is fixedly connected with a sliding block, the sliding block is arranged on the inner side of the sliding groove and is in sliding connection with the sliding groove, the outer surface of the sliding block is fixedly connected with a fixing plate, the outer surface of the fixing plate is rotationally connected with a first mandrel, the outer surface of the first mandrel is rotationally connected with swinging rods, and the swinging rods are symmetrically distributed in two groups.
Further, a tension spring is fixedly connected between the two groups of swinging rods, one end, far away from the first mandrel, of the swinging rods is rotationally connected with the second mandrel, the outer surface of the mandrel is rotationally connected with a guide wheel, the inner surface of the movable groove is slidably connected with a limiting plate, and the outer surface of the guide wheel is rotationally attached to and contacted with the limiting plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scheme, the turnover assembly is arranged, so that the rear frame can be turned to a proper welding angle when the rear frame is welded, the welding processing requirement can be better met, and compared with a turnover mode of manually matching with a travelling crane, the turnover efficiency is greatly improved, the labor intensity of workers is reduced, the risk of accidental falling in the turnover process of the rear frame is greatly reduced, and the safety of the rear frame welding device can be effectively improved;
(2) According to the scheme, the displacement assembly is arranged, the rear frame can be driven to move through the push plate, so that clamping and fixing of the rear frames with different lengths can be realized, and the application range of the rear frame of the loader can be greatly improved;
(3) According to the scheme, the clamping assemblies are arranged, the rear frame is clamped and limited in different directions, so that the influence of the movement of the rear frame on the welding precision in the welding process can be reduced, and the stability of the rear frame in the overturning process can be greatly improved by adopting a mode of clamping in multiple directions;
(4) According to the scheme, the positioning assembly is arranged, the positioning plate is contacted with the rear frame to push the rear frame to move back and forth on the surface of the supporting plate, and the position of the rear frame is adjusted, so that the two sides of the rear frame are balanced, and the welding precision of the rear frame can be improved to a certain extent;
(5) This scheme can enough improve the stability when locating component operates through setting up compensation component, can also play good centre gripping effect to the back frame through locating component simultaneously, further improvement back frame welding and the stability of upset in-process.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A in FIG. 3 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B in FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of a support assembly according to the present invention;
FIG. 6 is an enlarged schematic view of FIG. 3C in accordance with the present invention;
FIG. 7 is an enlarged schematic view of FIG. 3D according to the present invention;
FIG. 8 is an enlarged schematic view of FIG. 4 at E in accordance with the present invention;
FIG. 9 is a schematic view of the first and second air bags and springs according to the present invention.
The reference numerals in the figures illustrate:
11. a work table; 12. u-shaped protection plates; 13. a servo motor; 14. a rotating shaft; 15. a fixing seat; 16. a supporting plate; 17. a welding device; 18. a rear frame;
21. a baffle; 22. an electric push rod; 23. a push plate; 24. a movable block; 25. a slide plate; 27. a displacement groove; 28. a through hole; 29. a connecting plate;
30. a first spring; 31. a first chute; 32. a support plate; 33. a second chute; 34. a pressing plate; 35. a connecting rod; 36. a pin shaft; 37. a push rod; 38. a clamping plate; 39. a friction pad;
41. an air bag I; 42. a first conduit; 43. a connecting pipe; 44. an air cylinder; 45. a piston plate; 46. a piston rod; 47. a positioning plate; 48. a pressure valve; 49. a second spring;
51. a second conduit; 52. a third conduit; 53. an air bag II;
61. a movable groove; 62. a slide block; 63. a fixing plate; 64. a mandrel I; 65. a swinging rod; 66. a second mandrel; 67. a guide wheel; 68. a limiting plate; 69. and a tension spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Referring to fig. 1 to 9, a rear frame welding device of a loader comprises a workbench 11, wherein a U-shaped protection plate 12 is fixedly connected to the outer surface of the upper end of the workbench 11, welding equipment 17 is fixedly connected to the rear side of the U-shaped protection plate 12, a turnover assembly is arranged on the inner side of the U-shaped protection plate 12 and comprises a rotating shaft 14 rotationally connected with the U-shaped protection plate 12, three groups of fixing seats 15 are fixedly connected to the outer surface of the rotating shaft 14, a supporting plate 16 for placing a rear frame 18 is fixedly connected to the outer surface of the upper end of the fixing seat 15, and a displacement assembly is arranged on the supporting plate 16;
the displacement assembly comprises a baffle plate 21 fixedly connected with the right end of the supporting plate 16, an electric push rod 22 is fixedly connected to the outer surface of the left end of the baffle plate 21, a first sliding chute 31 is formed in the outer surface of the upper end of the supporting plate 16, a push plate 23 is slidably connected to the outer surface of the upper end of the supporting plate 16 through the first sliding chute 31, a through hole 28 is formed in the outer surface of the right end of the push plate 23, the position of the through hole 28 corresponds to that of the electric push rod 22, and a clamping assembly is arranged at the left end of the supporting plate 16;
the clamping assembly comprises a support plate 32 fixedly connected with the left end of the support plate 16, a second sliding groove 33 is formed in the outer surface of the right end of the support plate 32, a pressing plate 34 is slidably connected with the outer surface of the right end of the support plate 32 through the second sliding groove 33, the pressing plate 34 penetrates to the left side of the support plate 32 through the second sliding groove 33 and is hinged with a connecting rod 35, a pin shaft 36 is rotatably connected to the lower end of the connecting rod 35, a push rod 37 is rotatably connected to the outer surface of the pin shaft 36, the push rod 37 penetrates to the right side of the support plate 32 and is slidably connected with the support plate 32, and a positioning assembly is arranged on the upper side of the support plate 16.
Through adopting above-mentioned technical scheme, frame 18 welding set behind the loader is when using, workstation 11 supports welding set overall structure through U type guard plate 12, U type guard plate 12 can block the splashing of welding slag in the welding process to a certain extent, play certain safety protection effect, when welding process, at first place back frame 18 on the layer board 16 surface, the displacement subassembly is passed through push pedal 23 and is driven back frame 18 and follow layer board 16 surface linear slip afterwards, and drive clamping assembly and carry out the clamping fixed to back frame 18, in the welding process, the upset subassembly drives layer board 16 through pivot 14 and rotates the upset of realizing back frame 18, thereby be convenient for carry out two-sided welding to back frame 18.
As shown in fig. 1 and 3, the outer surface of the right end of the U-shaped protection plate 12 is fixedly connected with a servo motor 13, the left end and the right end of the rotating shaft 14 penetrate through the outer side of the U-shaped protection plate 12 and are rotationally connected with the U-shaped protection plate 12, and the output shaft of the servo motor 13 is fixedly connected with the right end of the rotating shaft 14.
Through adopting above-mentioned technical scheme, when carrying out the welding of loader back frame 18, firstly place back frame 18 level at the layer board 16 surface and lift the support through layer board 16 to back frame 18, later carry out back frame 18 welding process with back frame 18 operation welding equipment 17 after the clamping of back frame 18 is fixed, welding equipment 17 adopts prior art in this application, so welding equipment 17 theory of operation and welding method are not explained in detail any more), move the upset subassembly after one side welding is finished, electrically conductive operation with servo motor 13, drive pivot 14 through servo motor 13 and rotate 180 degrees, pivot 14 passes through fixing base 15 and drives layer board 16 synchronous rotation, layer board 16 is through respectively through displacement subassembly and clamping assembly drive back frame 18 upset, thereby carry out the welding process of another side, can overturn back frame 18 to suitable welding angle through setting up the upset subassembly when carrying out back frame 18 welding, thereby can better satisfy the welding process needs, and compare the upset mode that adopts the manual work to cooperate the upset, can greatly reduce the unexpected risk of frame 18 in the upset process of greatly improve the safety device of the welding of back frame 18 that can then effectively fall.
As shown in fig. 3 and 7, a displacement groove 27 is formed in the inner side of the push plate 23, the displacement groove 27 penetrates to the upper side of the push plate 23, a movable block 24 is slidably connected to the inner side of the displacement groove 27, the movable block 24 is in an L-shaped structure, the lower end of the movable block 24 is inclined, and a sliding plate 25 is slidably connected to the outer surface of the lower end of the movable block 24.
The upper end of the sliding plate 25 is inclined and corresponds to the outer surface of the lower end of the movable block 24, the lower end of the sliding plate 25 is in sliding connection with the lower end of the inner surface of the displacement groove 27, the left end of the electric push rod 22 is fixed with the sliding plate 25 in a magnetic attraction manner, the number of the movable blocks 24 is two, the movable blocks are symmetrically distributed on two sides of the through hole 28, and a connecting plate 29 is fixedly connected between the two movable blocks 24.
By adopting the technical scheme, the rear frame 18 is placed on the surface of the supporting plate 16 and can be welded after being clamped and positioned firmly, after the rear frame 18 is placed, the electric push rod 22 is conducted and operated, the baffle 21 can fixedly support the electric push rod 22, the electric push rod 22 stretches out leftwards and then is connected with the sliding plate 25 through the through hole 28 on the surface of the push plate 23 in a magnetic attraction way, the sliding plate 25 is driven to slide along the inner side of the displacement groove 27 along with the continuous operation of the electric push rod 22, the push plate 23 is driven to slide along the surface of the supporting plate 16 by the sliding plate 25 in a linear manner, the rear frame 18 is pushed to slide leftwards along the surface of the supporting plate 16 after the surface of the push plate 23 contacts with the rear frame 18, the lower end of the movable block 24 and the sliding plate 25 are contacted with each other in a sliding manner in the moving process of the sliding plate 25 to gradually move downwards, the upper part of the movable block 24 is contacted with the rear frame 18 to clamp the rear frame 18, the movable block 24 slides downwards and simultaneously drives the connecting plate 29 to synchronously move, the thickness of the connecting plate 29 is larger than that of the sliding plate 25, the electric push rod 22 continuously moves and then presses the surface of the connecting plate 29, the movable block 24 is extruded and limited through the connecting plate 29, so that the movable block 24 is prevented from reversely sliding in the overturning process of the rear frame 18, when the clamping of the rear frame 18 is released after welding is finished, the electric push rod 22 reversely moves and is recovered from the through hole 28, at the moment, the magnetic force between the sliding plate 25 and the electric push rod 22 drives the sliding plate 25 to slide rightwards, the sliding plate 25 upwards lifts the movable block 24 when moving, when the magnetic force born by the sliding plate 25 is smaller than the resistance born by the sliding plate, the sliding plate 25 is separated from the electric push rod 37, the movement reset of the sliding plate 25 and the movable block 24 is realized, the rear frame 18 can be driven to move through the displacement assembly, and the clamping and fixing of the rear frames 18 with different lengths can be realized, further, the range of use of the loader rear frame 18 can be greatly increased.
As shown in fig. 3, fig. 4 and fig. 6, the outer surface of the upper end of the supporting plate 16 is provided with a first chute 31, the outer surface of the upper end of the supporting plate 16 is slidably connected with a clamping plate 38 through the first chute 31, the number of push rods 37 is two, the two push rods 37 are distributed in parallel, the right ends of the two push rods 37 are fixedly connected with the clamping plate 38, the outer surface of the clamping plate 38 is provided with an anti-skid chute in parallel, the outer surface of the lower end of the pressing plate 34 is fixedly connected with a friction pad 39, the outer surface of the lower end of the pressing plate 34 is positioned on the inner side of the second chute 33 and is fixedly connected with a first spring 30, and the lower end of the first spring 30 is fixedly connected with the lower end of the inner surface of the second chute 33.
Through adopting above-mentioned technical scheme, the in-process that back frame 18 slided along the layer board 16 surface can be contacted with grip block 38, and drive grip block 38 and slide left along the layer board 16 surface, the antiskid groove of grip block 38 surface seting up can greatly increase the frictional force between grip block 38 and the back frame 18, can drive push rod 37 synchronous motion when grip block 38 moves, push rod 37 can drive connecting rod 35 through round pin axle 36 and connecting rod 35 articulated in the horizontally movable in-process and overturn, connecting rod 35 drives upper end articulated clamp plate 34 along spout two 33 up-and-down motion on backup pad 32 surface, clamp plate 34 drives friction pad 39 and back frame 18 upper side contact and carries out the block to back frame 18, through carrying out the block spacing to back frame 18 in different directions, can reduce the motion of back frame 18 in the welding process and influence welding precision, and through adopting the mode of a plurality of direction clamping can greatly improve the stability in the back frame 18 upset process.
As shown in fig. 3, 4 and 8, the positioning assembly comprises an air bag one 41 fixedly connected with the outer surface of the right end of the supporting plate 32, the air bag one 41 is positioned between two groups of push rods 37, the outer surface of the right end of the air bag one 41 is fixedly connected with the left end of the clamping plate 38, a conduit one 42 is fixedly arranged on the inner side of the supporting plate 16 in an embedded mode, the conduit one 42 is in an L-shaped structure, the upper end of the conduit one 42 penetrates through the inner side of the supporting plate 32 and is communicated with the inner side of the air bag one 41, the right end of the conduit one 42 is fixedly connected with a connecting pipe 43, the outer surface of the upper end of the supporting plate 16 is fixedly connected with an air cylinder 44, and the upper end of the connecting pipe 43 is communicated with the inner side of the air cylinder 44.
The number of the first guide pipes 42 and the number of the connecting pipes 43 are two, the first guide pipes and the connecting pipes are symmetrically distributed on two sides of the first chute 31, the inner surface of the air cylinder 44 is slidably connected with a piston plate 45, the outer surface of the piston plate 45 is fixedly connected with a piston rod 46, the piston rod 46 penetrates through the outer side of the air cylinder 44, one end, away from the piston plate 45, of the piston rod 46 is fixedly connected with a positioning plate 47, and the number of the piston plate 45, the piston rod 46 and the positioning plate 47 are two and are symmetrically distributed.
Through adopting above-mentioned technical scheme, the clamping assembly can drive location operation synchronous operation when the operation, when grip block 38 slides to the left side, grip block 38 cooperates backup pad 32 and can compress first gasbag 41, gas in first gasbag 41 gets into in the inflator 44 through pipe 42 and connecting pipe 43 under the effect of pressure, the gas pressure in the inflator 44 increases gradually at this moment, gas promotes piston plate 45 and slides along the inner surface of inflator 44, piston plate 45 moves and drives locating plate 47 simultaneous movement through piston rod 46, promote back frame 18 and carry out the back and forth movement on the layer board 16 surface through locating plate 47 and back frame 18 contact, adjust the position of back frame 18, make back frame 18 both sides keep balanced, thereby can improve the welding precision of back frame 18 to a certain extent, and carry out the butt location to back frame 18 through locating plate 47, can further improve the firm of back frame 18 clamping, and then can improve the stability in the back frame 18 upset in-process, when releasing back frame 18, when grip block 38 receives pressure and receive the back frame 18 and expand forward and backward in the inflator 16 through the pipe that the locating plate 47 can be in the back frame 18, thereby inhale the gasbag 41 from first gasbag is reversed in the back frame 44.
As shown in fig. 8, a compensation component is disposed inside the air cylinder 44, the compensation component includes a second conduit 51 disposed inside the piston rod 46, the second conduit 51 penetrates to the outside of the piston plate 45, a pressure valve 48 is fixedly connected to the inner surface of the second conduit 51, a third conduit 52 is disposed inside the positioning plate 47, one end of the second conduit 51, which is far away from the piston plate 45, is communicated with the third conduit 52, an air bag 53 is fixedly connected to the outer surface of the positioning plate 47 in an embedded manner, the air bag 53 is annular, the third conduit 52 is communicated with the inside of the air bag 53, and a second spring 49 is fixedly connected to the inner surface of the first air bag 41.
Through adopting above-mentioned technical scheme, in order to avoid the damage that the locating component receives the too big pressure and lead to, compensation component has been set up, when compensation component during operation, when the gas pressure in the inflator 44 is too big, partial gas gets into in the pipe one 42 through the inside pressure valve 48 of pipe two 51, and pour into gasbag two 53 through pipe one 42, thereby make the gas pressure in the inflator 44 maintain in the appropriate range, stability in the locating component operation process has been improved, gasbag two 53 can contact with back frame 18 after inflation, can greatly improve the frictional force between gasbag two 53 and the back frame 18 through increasing the area of contact of gasbag two 53 and back frame 18, thereby can play good centre gripping effect to back frame 18 through the locating component, further improved the stability in the back frame 18 welding and the upset process.
As shown in fig. 3 and fig. 5, the inner side of the supporting plate 16 is provided with a supporting component, the supporting component comprises a movable groove 61 formed in the inner side of the supporting plate 16, the lower end of the push plate 23 is fixedly connected with a sliding block 62, the sliding block 62 is located in the inner side of the first sliding groove 31 and is in sliding connection with the first sliding groove 31, the outer surface of the sliding block 62 is fixedly connected with a fixing plate 63, the outer surface of the fixing plate 63 is rotationally connected with a first mandrel 64, the outer surface of the first mandrel 64 is rotationally connected with swinging rods 65, and the number of the swinging rods 65 is two groups and symmetrically distributed.
The tension springs 69 are fixedly connected between the two groups of swinging rods 65, one end, far away from the first mandrel 64, of the swinging rods 65 is rotationally connected with the second mandrel 66, the outer surface of the second mandrel 66 is rotationally connected with the guide wheel 67, the inner surface of the movable groove 61 is slidably connected with the limiting plate 68, and the outer surface of the guide wheel 67 is movably connected with the limiting plate 68.
Through adopting above-mentioned technical scheme, the in-process that displacement subassembly moved can drive supporting component synchronous motion, push pedal 23 drives slider 62 and can drive fixed plate 63 synchronous operation when following spout one 31 linear motion, fixed plate 63 carries out the rotation support to dabber one 64, fixed plate 63 articulates through dabber one 64 has swinging rod 65, swinging rod 65 drives guide pulley 67 synchronous motion through dabber two 66, when guide pulley 67 moves to movable groove 61 in, swinging rod 65 swings to both sides under the elasticity effect of extension spring 69, swinging rod 65 drives guide pulley 67 synchronous motion, release limiting plate 68 outside from movable groove 61 through guide pulley 67, thereby play certain supporting role to back frame 18 both sides through limiting plate 68, and then can reduce back frame 18 and the unbalanced and unexpected probability that drops of both sides weight when sliding, and then can improve safety and reliability of welding set in the clamping process of back frame 18 greatly.
The using method comprises the following steps: when the rear frame 18 of the loader is welded, the rear frame 18 is firstly placed on the surface of the supporting plate 16, the displacement assembly drives the rear frame 18 to slide along the surface of the supporting plate 16 through the push plate 23, the rear frame 18 is clamped and limited through the contact between the upper part of the movable block 24 and the rear frame 18, the limiting plate 68 is pushed out of the movable groove 61 through the guide wheel 67 by the supporting assembly, so that certain supporting effect is achieved on two sides of the rear frame 18 through the limiting plate 68, in the process, the clamping assembly respectively contacts with the friction pad 39 through the clamping plate 38 to clamp and fix the rear frame 18 in different directions, the positioning assembly contacts with the rear frame 18 through the positioning plate 47 to push the rear frame 18 to move forwards and backwards on the surface of the supporting plate 16, the two sides of the rear frame 18 are balanced when the position of the rear frame 18 is adjusted, meanwhile, part of gas is injected into the air bag two 53 through the pressure valve 48 in the air bag 44 through the guide wheel two 51 when the gas pressure in the air bag 44 is overlarge, the gas pressure in the air bag two air bag 53 is maintained in a proper range, the stability in the running process of the positioning assembly is improved, after the rear frame 18 is finished, the clamping assembly is clamped and the welding device 17 is rotated, the rear frame 18 is welded in the welding process of the two sides of the supporting frame 18 is driven by an operator, and the rotating device 18 is welded, and the rotating shafts 18 are welded in the welding process is convenient to realize, and the rotating of the rotating shafts 18 after the frame 18 is welded 18, and the rotating device is welded to the frame 18.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a frame welding set behind loader, includes workstation (11), workstation (11) upper end surface fixedly connected with U type guard plate (12), U type guard plate (12) rear side fixedly connected with welding equipment (17), its characterized in that: the inner side of the U-shaped protection plate (12) is provided with a turnover assembly, the turnover assembly comprises a rotating shaft (14) which is rotationally connected with the U-shaped protection plate (12), three groups of fixing seats (15) are fixedly connected to the outer surface of the rotating shaft (14), a supporting plate (16) for placing a rear frame (18) is fixedly connected to the outer surface of the upper end of each fixing seat (15), and a displacement assembly is arranged on each supporting plate (16);
the displacement assembly comprises a baffle (21) fixedly connected with the right end of a supporting plate (16), an electric push rod (22) is fixedly connected to the outer surface of the left end of the baffle (21), a first sliding chute (31) is formed in the outer surface of the upper end of the supporting plate (16), a push plate (23) is slidably connected to the outer surface of the upper end of the supporting plate (16) through the first sliding chute (31), a through hole (28) is formed in the outer surface of the right end of the push plate (23), the position of the through hole (28) corresponds to that of the electric push rod (22), and a clamping assembly is arranged at the left end of the supporting plate (16);
the clamping assembly comprises a supporting plate (32) fixedly connected with the left end of a supporting plate (16), a sliding groove II (33) is formed in the outer surface of the right end of the supporting plate (32), a pressing plate (34) is slidably connected to the outer surface of the right end of the supporting plate (32) through the sliding groove II (33), the pressing plate (34) penetrates to the left side of the supporting plate (32) through the sliding groove II (33) and is hinged to a connecting rod (35), a pin roll (36) is rotatably connected to the lower end of the connecting rod (35), a push rod (37) is rotatably connected to the outer surface of the pin roll (36), the push rod (37) penetrates to the right side of the supporting plate (32) and is slidably connected with the supporting plate (32), a sliding groove I (31) is formed in the outer surface of the upper end of the supporting plate (16), a clamping plate (38) is slidably connected to the outer surface of the upper end of the supporting plate (16) through the sliding groove I (31), and a positioning assembly is arranged on the upper side of the supporting plate (16).
The positioning assembly comprises an air bag I (41) fixedly connected with the outer surface of the right end of the supporting plate (32), the air bag I (41) is positioned between two groups of push rods (37), the outer surface of the right end of the air bag I (41) is fixedly connected with the left end of the clamping plate (38), a guide pipe I (42) is fixedly arranged on the inner side of the supporting plate (16), the guide pipe I (42) is of an L-shaped structure, the upper end of the guide pipe I (42) penetrates through the inner side of the supporting plate (32) and is communicated with the inner side of the air bag I (41), a connecting pipe (43) is fixedly connected with the right end of the guide pipe I (42), the outer surface of the upper end of the supporting plate (16) is fixedly connected with an air cylinder (44), the upper end of the connecting pipe (43) is communicated with the inner side of the air cylinder (44), and a spring II (49) is fixedly connected with the inner surface of the air bag I (41).
2. The rear frame welding device of a loader according to claim 1, wherein: the outer surface of the right end of the U-shaped protection plate (12) is fixedly connected with a servo motor (13), the left end and the right end of the rotating shaft (14) penetrate through the outer side of the U-shaped protection plate (12) and are rotationally connected with the U-shaped protection plate (12), and the output shaft of the servo motor (13) is fixedly connected with the right end of the rotating shaft (14).
3. The rear frame welding device of a loader according to claim 2, wherein: the novel movable pushing device is characterized in that a displacement groove (27) is formed in the inner side of the pushing plate (23), the displacement groove (27) penetrates through the upper side of the pushing plate (23), a movable block (24) is connected to the inner side of the displacement groove (27) in a sliding mode, the movable block (24) is of an L-shaped structure, the lower end of the movable block (24) is inclined, and a sliding plate (25) is connected to the outer surface of the lower end of the movable block (24) in a sliding mode.
4. A loader rear frame welding device as claimed in claim 3, wherein: the upper end of the sliding plate (25) is inclined and corresponds to the outer surface of the lower end of the movable block (24), the lower end of the sliding plate (25) is in sliding connection with the lower end of the inner surface of the displacement groove (27), the left end of the electric push rod (22) is fixed with the sliding plate (25) in a magnetic attraction mode, the movable blocks (24) are two groups of the movable blocks and are symmetrically distributed on two sides of the through hole (28), and a connecting plate (29) is fixedly connected between the two groups of the movable blocks (24).
5. The rear frame welding device of a loader according to claim 4, wherein: the number of push rods (37) is two, the push rods (37) are distributed in parallel, the two push rods (37) are fixedly connected with a clamping plate (38), anti-slip grooves are formed in the outer surface of the clamping plate (38) in parallel, friction pads (39) are fixedly connected with the outer surface of the lower end of the pressing plate (34), a first spring (30) is fixedly connected with the outer surface of the lower end of the pressing plate (34) and located inside of a second sliding groove (33), and the lower end of the first spring (30) is fixedly connected with the lower end of the inner surface of the second sliding groove (33).
6. The rear frame welding device of a loader according to claim 5, wherein: the number of the first guide pipes (42) and the connecting pipes (43) is two, the first guide pipes and the connecting pipes are symmetrically distributed on two sides of the first sliding chute (31), the inner surface of the air cylinder (44) is slidably connected with a piston plate (45), the outer surface of the piston plate (45) is fixedly connected with a piston rod (46), the piston rod (46) penetrates through the outer side of the air cylinder (44), one end, away from the piston plate (45), of the piston rod (46) is fixedly connected with a positioning plate (47), and the number of the piston plate (45), the piston rod (46) and the positioning plate (47) is two.
7. The rear frame welding device of a loader according to claim 6, wherein: the inner side of the inflator (44) is provided with a compensation component, the compensation component comprises a second conduit (51) which is arranged on the inner side of the piston rod (46), the second conduit (51) penetrates to the outer side of the piston plate (45), the inner surface of the second conduit (51) is fixedly connected with a pressure valve (48), the inner side of the positioning plate (47) is provided with a third conduit (52), one end, far away from the piston plate (45), of the second conduit (51) is communicated with the third conduit (52), the outer surface of the positioning plate (47) is fixedly connected with a second air bag (53) in an embedded mode, the second air bag (53) is in a ring shape, and the third conduit (52) is communicated with the inner part of the second air bag (53).
8. The rear frame welding device of a loader according to claim 7, wherein: the support assembly is arranged on the inner side of the supporting plate (16), the support assembly comprises a movable groove (61) formed in the inner side of the supporting plate (16), a sliding block (62) is fixedly connected to the lower end of the pushing plate (23), the sliding block (62) is located on the inner side of the sliding groove I (31) and is in sliding connection with the sliding groove I (31), a fixing plate (63) is fixedly connected to the outer surface of the sliding block (62), a mandrel I (64) is rotatably connected to the outer surface of the fixing plate (63), swinging rods (65) are rotatably connected to the outer surface of the mandrel I (64), and the swinging rods (65) are symmetrically distributed in two groups.
9. The rear frame welding device of a loader according to claim 8, wherein: two sets of swing rod (65) between fixedly connected with extension spring (69), swing rod (65) keep away from dabber one (64) one end and rotate and be connected with dabber two (66), dabber two (66) surface rotates and is connected with guide pulley (67), movable groove (61) internal surface sliding connection has limiting plate (68), guide pulley (67) surface and limiting plate (68) rotate laminating contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311493503.2A CN117226413B (en) | 2023-11-10 | 2023-11-10 | Rear frame welding device of loader |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311493503.2A CN117226413B (en) | 2023-11-10 | 2023-11-10 | Rear frame welding device of loader |
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| CN117226413A CN117226413A (en) | 2023-12-15 |
| CN117226413B true CN117226413B (en) | 2024-01-09 |
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| CN103029059A (en) * | 2012-12-06 | 2013-04-10 | 周家莉 | Swinging clamping device |
| WO2019149484A1 (en) * | 2018-01-30 | 2019-08-08 | Walter Maschinenbau Gmbh | Steady rest and method for supporting a rod-shaped workpiece |
| CN213998606U (en) * | 2020-11-17 | 2021-08-20 | 河钢承德钒钛新材料有限公司 | Aluminum ingot pressing device |
| CN114393366A (en) * | 2022-02-24 | 2022-04-26 | 连丽洁 | Small-size machine of shifting of helping hand manual welding |
| CN114871665A (en) * | 2022-03-29 | 2022-08-09 | 重庆光禹汽车零部件有限公司 | Clamping device for skeleton welding based on automobile seat production |
| CN114985890A (en) * | 2022-07-01 | 2022-09-02 | 嘉善优博自动化设备有限公司 | Trihedral multi-vehicle-type common spot welding fixture |
-
2023
- 2023-11-10 CN CN202311493503.2A patent/CN117226413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029059A (en) * | 2012-12-06 | 2013-04-10 | 周家莉 | Swinging clamping device |
| WO2019149484A1 (en) * | 2018-01-30 | 2019-08-08 | Walter Maschinenbau Gmbh | Steady rest and method for supporting a rod-shaped workpiece |
| CN213998606U (en) * | 2020-11-17 | 2021-08-20 | 河钢承德钒钛新材料有限公司 | Aluminum ingot pressing device |
| CN114393366A (en) * | 2022-02-24 | 2022-04-26 | 连丽洁 | Small-size machine of shifting of helping hand manual welding |
| CN114871665A (en) * | 2022-03-29 | 2022-08-09 | 重庆光禹汽车零部件有限公司 | Clamping device for skeleton welding based on automobile seat production |
| CN114985890A (en) * | 2022-07-01 | 2022-09-02 | 嘉善优博自动化设备有限公司 | Trihedral multi-vehicle-type common spot welding fixture |
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| CN117226413A (en) | 2023-12-15 |
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