CN114789320B

CN114789320B - Axle skeleton assembly welding fixture and application method thereof

Info

Publication number: CN114789320B
Application number: CN202210637495.3A
Authority: CN
Inventors: 徐辉
Original assignee: Anhui Shiny Horse Intelligent Technology Co ltd
Current assignee: Anhui Shiny Horse Intelligent Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-06-23
Anticipated expiration: 2042-06-07
Also published as: CN114789320A

Abstract

The invention discloses a welding fixture for an axle framework assembly and a use method thereof. According to the invention, through the arrangement of the cleaning structure, when in use, along with the rotation of the connecting inner ring, sparks during welding can be scraped in time through the scraping rubber block when the sparks fall on the connecting inner ring, when the sparks which are difficult to clean and are attached are met through the arrangement of the extrusion steel balls, the extrusion steel balls can be extruded through the scraping, so that the extrusion steel balls move upwards, then when the sparks move to the lower end of the protective rubber pad, the connecting sliding rod can be extruded through the elasticity of the extrusion spring, so that the extrusion steel balls are driven to move downwards to impact the sparks, the sparks are broken, and when the following connecting inner ring moves, the sparks flow out of the other scraping rubber block.

Description

Axle skeleton assembly welding fixture and application method thereof

Technical Field

The invention relates to the technical field, in particular to a welding fixture for an axle skeleton assembly and a using method thereof.

Background

An automobile axle (also called an axle) is connected with a frame (or a bearing type automobile body) through a suspension, and wheels are arranged at two ends of the axle. The axle is used for bearing the load of the automobile, and the axle for maintaining the normal running of the automobile on a road can be integrated, such as a huge barbell, and two ends of the axle support the automobile body through a suspension system, so that the integrated axle is usually matched with a non-independent suspension; the axle can also be disconnected, like two umbrellas are inserted at two sides of the vehicle body, and then the vehicle body is supported by the suspension system, so that the disconnected axle is matched with the independent suspension.

Among the prior art, anchor clamps that axle skeleton assembly welding was used when using, if when the higher region of temperature was used, the spark cooling rate of welding spill can reduce to can make the spark drop on the mount pad, need follow-up the clearance of shoveling, and during manual cleaning, need clear up after the complete welding, thereby can make the spark comparatively fastened with the connection of mount pad, thereby make the clearance comparatively difficult.

Therefore, we propose a welding fixture for an axle skeleton assembly and a use method thereof, so as to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an axle skeleton assembly welding fixture and a use method thereof, which are used for solving the problems that when the fixture for welding the axle skeleton assembly is used in a region with higher temperature, the cooling speed of sparks splashed by welding is reduced, so that sparks can fall on a mounting table, subsequent shoveling and cleaning are required, and cleaning is required after complete welding is finished when manual cleaning is required, so that the connection between the sparks and the mounting table is relatively tight, and cleaning is relatively difficult.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an axle skeleton assembly welding jig, includes mounting structure, mounting structure includes a mounting bracket and No. two mounting brackets, be provided with rotating structure between a mounting bracket and No. two mounting brackets, rotating structure is including connecting the inner loop, connect the inner loop setting in the inboard of a mounting bracket, one side of a mounting bracket and No. two mounting brackets is provided with the clearance structure, the clearance structure is including rotating the installation piece, the quantity of rotating the installation piece is two, two rotate the installation piece and be fixedly connected with one side of a mounting bracket and No. two mounting brackets respectively, rotate the inside rotation of installation piece and be connected with the rotation connecting rod, the one end fixedly connected with cleaning scraper blade of rotation connecting rod, the equal fixedly connected with in both sides of cleaning scraper blade lower extreme scrapes the rubber piece, the inside of cleaning scraper blade has been seted up and has been connected the slide bar, the lower extreme fixedly connected with extrusion steel ball of connecting the slide bar, one side of scraping the rubber piece is the inclined design, fixedly connected with extrusion spring between upper end and the sliding groove of connection, two scrape the lower extreme fixedly connected with protection rubber pad between the rubber pad.

Preferably, the extrusion steel ball is of a hollow design, and the inner part of the extrusion steel ball is fixedly connected with a supporting inner rod.

Preferably, the rotary chute is all offered to one side of a mounting bracket and No. two mounting brackets, the inside rotation of rotary chute is connected with a driving motor, connect inner ring fixed connection at a driving motor's interior ring face, the inside of connecting the inner ring is provided with the clamping structure, the clamping structure includes the switching platform, switching platform fixed connection is at the interior ring face of connecting the inner ring, the rotation hole has been seted up to the inside of switching platform.

Preferably, the inside rotation of rotating the hole is connected with the rotation end axle, the inside of connecting the inner ring is provided with the centre gripping mounting bracket, rotate the upper and lower end of end axle fixed connection at the centre gripping mounting bracket, the equal fixedly connected with centre gripping pneumatic cylinder in both sides of the inside upper and lower end of centre gripping mounting bracket, the tip fixedly connected with clamping lever of centre gripping pneumatic cylinder, the one end fixedly connected with extrusion rubber sheet of clamping lever.

Preferably, the arc limiting groove has all been seted up to one side of a mounting bracket and No. two mounting brackets, be provided with No. two driving motor between a mounting bracket and No. two mounting brackets, no. two driving motor's one end fixedly connected with spacing mount pad, the both sides of spacing mount pad respectively with one side sliding connection of a mounting bracket and No. two mounting brackets, no. two driving motor's output is connected with the transmission of rotation end axle.

Preferably, the both sides of spacing mount table have all been seted up and have been rotated the draw-in groove, the inside rotation joint that rotates the draw-in groove has spacing ball, one side and the arc spacing groove slip joint of spacing ball.

Preferably, a mounting side groove is formed in one side of the first mounting frame, a first transmission motor is fixedly clamped in the mounting side groove, the output end of the first transmission motor is fixedly connected with a driving bevel gear, a driven bevel gear is fixedly connected to the inner edge of one side of the first transmission motor, and the driven bevel gear is meshed with the driving bevel gear.

Preferably, the installation pole is rotated to equal fixedly connected with in the middle part upper and lower side in the both ends of installation frame one side No. one the installation frame and No. two installation frames, one side of rotating the installation pole is provided with and connects the horizontal pole, the one end of connecting the horizontal pole rotates the joint with rotating the installation pole, the both sides of No. one installation frame and No. two installation frames all are provided with the fixed mounting board, the other end of connecting the horizontal pole rotates the joint with one side of fixed mounting board, the connection unthreaded hole has all been seted up to the upper and lower side in the middle part of the fixed mounting board.

The application method of the welding fixture for the axle skeleton assembly comprises the following steps:

s1, according to different installation areas, fixing the fixed installation plate by using bolts to penetrate through the connecting unthreaded holes, so that the first installation frame and the second installation frame are fixed;

s2, the axle framework assembly is prevented from clamping the inside of the mounting frame, and the clamping rod is driven to move by starting the clamping hydraulic cylinder to fix the axle framework assembly;

s3, when the axle framework assembly needs to be changed, starting a second transmission motor and a first transmission motor according to different angles required to be changed, and respectively driving the clamping installation frame and the first transmission motor to rotate so as to adjust the welding position of the axle framework assembly;

s4, when the first transmission motor rotates, the scraping rubber block can contact and scrape with the inner ring surface of the connecting inner ring, when encountering the falling spark connected with the connecting inner ring, the scraping rubber block is used for scraping and removing, when encountering the spark which is difficult to clean, the scraping rubber block is extruded to deform, the extrusion steel balls move upwards, the extrusion steel balls extrude and connect the sliding rod when the spark enters the lower end of the scraping rubber block, the extrusion steel balls impact the spark, the spark impact is broken, then flows out of the scraping rubber block from the other side, and the cleaned spark automatically drops when rotating.

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

1. through the arrangement of the cleaning structure, when the spark welding device is used, along with the rotation of the connecting inner ring, sparks during welding can be timely scraped off by scraping the rubber block, so that sparks are prevented from being attached to the connecting inner ring, subsequent cleaning is complicated, through the arrangement of the extrusion steel balls, when the sparks which are attached and difficult to clean are encountered, the extrusion steel balls can be extruded through the scraping, so that the extrusion steel balls move upwards, then when the sparks move to the lower end of the protective rubber pad, the connecting sliding rod can be extruded through the elasticity of the extrusion spring, so that the extrusion steel balls are driven to move downwards to impact the sparks, the sparks are broken, when the following connecting inner ring moves, the sparks flow out from the other scraping rubber block, and along with the rotation of the connecting inner ring, the sparks can fall out of the connecting inner ring through the gravity of the sparks so as to facilitate cleaning of the sparks;

2. the hollow design of the extrusion steel ball plays a role in reducing the gravity of the extrusion steel ball, so that the force required by upward movement of the extrusion steel ball is reduced, the extrusion steel ball is convenient to use, and the strength of the extrusion steel ball is increased through the arrangement of the support inner rod;

3. through No. two driving motor's setting for drive the centre gripping mounting bracket and rotate, thereby can weld the outside of axle skeleton assembly in one side, so as to facilitate the use, through driven bevel gear and No. one driving motor's setting, be used for driving the driving bevel gear through No. one driving motor and rotate, thereby drive No. one driving motor and rotate, cooperation No. two driving motor can make the axle skeleton assembly 360 regulation, make the welding more convenient.

4. Through the setting of spacing ball for with buffering between spacing mount table and a mounting bracket and the No. two mounting brackets, thereby reduce friction, cooperation arc spacing groove can play certain supporting role, with the wearing and tearing of reducing spacing mount table.

5. Through the setting of connecting the horizontal pole for when using, according to the difference of installation area size, the rotation at the horizontal pole both ends is connected in the cooperation, and the angle of accessible connection horizontal pole slope changes, so that install the region at equidimension not with first mounting bracket and second mounting bracket, in order to increase the practicality of this invention.

Drawings

FIG. 1 is a schematic perspective view of a welding fixture for an axle frame assembly and a method of using the same;

FIG. 2 is a schematic illustration of an exploded view of a portion of a welding fixture for an axle frame assembly and a method of using the same in accordance with the present invention;

FIG. 3 is a schematic perspective view of a clamping structure of an axle skeleton assembly welding fixture and a method of using the same according to the present invention;

FIG. 4 is a schematic perspective view of a first mounting bracket of an axle frame assembly welding fixture and a method of using the same;

FIG. 5 is an enlarged schematic view of the structure of the area A in FIG. 4 illustrating a welding fixture for an axle skeleton assembly and a method of using the same according to the present invention;

FIG. 6 is a schematic perspective view of a welding fixture for an axle frame assembly and a method of using the same, wherein the welding fixture is used for connecting an inner ring;

FIG. 7 is a schematic perspective view of a cleaning structure of an axle skeleton assembly welding fixture and method of using the same;

FIG. 8 is a schematic view of a connection structure of a cleaning blade and a scraping rubber block (34) in an axle skeleton assembly welding fixture and a method of using the same.

In the figure:

1. a mounting structure; 11. a first mounting rack; 12. rotating the mounting rod; 13. connecting the cross bars; 14. a fixed mounting plate; 15. connecting the light holes; 16. a second mounting rack; 17. rotating the chute; 18. an arc-shaped limit groove;

2. a clamping structure; 21. clamping the mounting frame; 22. clamping a hydraulic cylinder; 23. a clamping rod; 24. a transfer table; 25. rotating the end shaft; 26. extruding a rubber sheet;

3. cleaning the structure; 31. rotating the mounting block; 32. a cleaning blade; 33. rotating the connecting rod; 34. scraping the rubber block; 35. a protective rubber pad; 36. extruding the steel balls; 37. supporting the inner rod; 38. connecting a slide bar; 39. sliding the inner tank; 310. extruding a spring;

4. a rotating structure; 41. connecting an inner ring; 42. a first transmission motor; 43. a second transmission motor; 44. a driving bevel gear; 45. a limit mounting table; 46. rotating the clamping groove; 47. limiting balls; 48. rotating the inner hole; 49. a driven bevel gear; 410. and installing a side groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2 and fig. 7-8, the present invention provides a technical solution: the utility model provides an axle skeleton assembly welding jig, including mounting structure 1, mounting structure 1 includes mounting bracket 11 and No. two mounting brackets 16, be provided with rotating structure 4 between mounting bracket 11 and No. two mounting brackets 16, rotating structure 4 is including connecting inner ring 41, connect inner ring 41 and set up the inboard at No. one mounting bracket 11, one side of mounting bracket 11 and No. two mounting brackets 16 is provided with clearance structure 3, clearance structure 3 includes rotates installation piece 31, the quantity of rotation installation piece 31 is two, two rotation installation pieces 31 are fixed connection respectively in one side of mounting bracket 11 and No. two mounting brackets 16, the inside rotation of rotation installation piece 31 is connected with rotation connecting rod 33, the one end fixedly connected with cleaning scraper blade 32 of rotation connecting rod 33, the equal fixedly connected with in both sides of cleaning scraper blade 32 lower extreme scrapes rubber piece 34, the inside of cleaning scraper blade 32 has been seted up and has been connected with slide bar 38, the lower extreme fixedly connected with extrusion steel ball 36 of connecting slide bar 38, one side of scraping rubber piece 34 is the inclined design, fixedly connected with extrusion spring 310 between the upper end and the sliding groove 39, the lower extreme fixedly connected with protection rubber pad 35 between two scraping rubber pieces 34.

The working principle of the embodiment is as follows: through the arrangement of the cleaning structure 3, when in use, along with the rotation of the connecting inner ring 41, sparks during welding can be scraped off in time through the scraping rubber block 34 when the sparks fall on the connecting inner ring 41, so that the sparks are prevented from being attached to the connecting inner ring 41, the subsequent cleaning is more complicated, through the arrangement of the extrusion steel balls 36, when the sparks which are attached and difficult to clean are encountered, the extrusion steel balls 36 are extruded through the scraping, so that the extrusion steel balls 36 move upwards, then when the sparks move to the lower end of the protective rubber pad 35, the connecting sliding rod 38 can be extruded through the elasticity of the extrusion spring 310, so that the extrusion steel balls 36 are driven to move downwards, the sparks are impacted, the sparks are broken, when the subsequent connecting inner ring 41 moves, the sparks flow out of the other scraping rubber block 34, and along with the rotation of the connecting inner ring 41, the sparks can fall out of the connecting inner ring 41 through the gravity of the self so as to facilitate the cleaning of the sparks;

meanwhile, according to the embodiment shown in fig. 8, the extrusion steel ball 36 is hollow, the support inner rod 37 is fixedly connected to the inside of the extrusion steel ball 36, the rotation connecting rod 33 is rotationally connected with the rotation mounting block 31 through a torsion spring, the gravity of the extrusion steel ball 36 is reduced through the hollow design of the extrusion steel ball 36, so that the force required by upward movement of the extrusion steel ball 36 is reduced, the use is facilitated, the strength of the extrusion steel ball 36 is increased through the arrangement of the support inner rod 37, and the torsion spring is used for driving the cleaning scraping plate 32 to reset after passing through the transfer table 24.

Meanwhile, as shown in fig. 1-2 and 6, the rotating sliding grooves 17 are formed in one sides of the first mounting frame 11 and the second mounting frame 16, the first transmission motor 42 is connected in a rotating mode in the rotating sliding grooves 17, the connecting inner ring 41 is fixedly connected to the inner ring surface of the first transmission motor 42, the clamping structure 2 is arranged in the connecting inner ring 41, the clamping structure 2 comprises a switching table 24, the switching table 24 is fixedly connected to the inner ring surface of the connecting inner ring 41, the rotating inner hole 48 is formed in the switching table 24, the first transmission motor 42 can be conveniently detached and replaced through the arrangement of the first transmission motor 42, the first mounting frame 11 and the second mounting frame 16, abrasion can be generated after the first transmission motor 42 is used for a long time, or the first transmission motor 42 is conveniently taken out and replaced when the first transmission motor 42 is damaged.

Meanwhile, according to the illustrations of fig. 1-3 and 6, the rotating end shaft 25 is connected to the inner portion of the rotating inner hole 48 in a rotating manner, the clamping installation frame 21 is arranged in the connecting inner ring 41, the rotating end shaft 25 is fixedly connected to the upper end and the lower end of the clamping installation frame 21, the clamping hydraulic cylinders 22 are fixedly connected to the two sides of the upper end and the lower end of the inner portion of the clamping installation frame 21, the clamping rods 23 are fixedly connected to the end portions of the clamping hydraulic cylinders 22, one end of each clamping rod 23 is fixedly connected with the extrusion rubber sheet 26, the clamping hydraulic cylinders 22 and the clamping rods 23 are used for clamping the axle framework assembly, the outer side of the axle framework assembly is exposed to a large extent through the design, so that welding of all areas is facilitated, and the times of disassembly and installation are needed during welding are reduced, so that the axle framework is convenient to use.

Meanwhile, as shown in fig. 1-5, one side of the first mounting frame 11 and one side of the second mounting frame 16 are provided with arc-shaped limiting grooves 18, a second transmission motor 43 is arranged between the first mounting frame 11 and the second mounting frame 16, one end of the second transmission motor 43 is fixedly connected with a limiting mounting table 45, two sides of the limiting mounting table 45 are respectively in sliding connection with one side of the first mounting frame 11 and one side of the second mounting frame 16, an output end of the second transmission motor 43 is in transmission connection with the rotating end shaft 25, and the clamping mounting frame 21 is driven to rotate through the arrangement of the second transmission motor 43, so that the outer side of the axle framework assembly can be welded on one side, and convenience in use is achieved.

Meanwhile, according to the illustration in fig. 2, the two sides of the limit mounting table 45 are provided with the rotation clamping grooves 46, the inside of the rotation clamping grooves 46 is rotationally clamped with the limit balls 47, one side of each limit ball 47 is slidably clamped with the corresponding arc-shaped limit groove 18, and the limit mounting table 45 is buffered between the first mounting frame 11 and the second mounting frame 16 through the arrangement of the limit balls 47, so that friction is reduced, and a certain supporting effect can be achieved by matching with the arc-shaped limit grooves 18, so that abrasion of the limit mounting table 45 is reduced.

Meanwhile, as shown in fig. 2 and 4, a mounting side groove 410 is formed in one side of the first mounting frame 11, a first transmission motor 42 is fixedly clamped in the mounting side groove 410, an output end of the first transmission motor 42 is fixedly connected with a driving bevel gear 44, a driven bevel gear 49 is fixedly connected to an inner edge of one side of the first transmission motor 42, the driven bevel gear 49 is meshed with the driving bevel gear 44, the driving bevel gear 44 is driven to rotate through the first transmission motor 42 by the aid of the arrangement of the driven bevel gear 49 and the first transmission motor 42, the first transmission motor 42 is driven to rotate, and the axle skeleton assembly can be adjusted by 360 degrees by matching with the second transmission motor 43, so that welding is more convenient.

Meanwhile, according to the illustrations of fig. 1-2, the upper and lower parts of the middle parts of the two ends of one side of the first mounting frame 11 and the second mounting frame 16 are fixedly connected with a rotary mounting rod 12, one side of the rotary mounting rod 12 is provided with a connecting cross rod 13, one end of the connecting cross rod 13 is in rotary clamping connection with the rotary mounting rod 12, two sides of the first mounting frame 11 and the second mounting frame 16 are respectively provided with a fixed mounting plate 14, the other end of the connecting cross rod 13 is in rotary clamping connection with one side of the fixed mounting plate 14, connecting unthreaded holes 15 are formed in the upper and lower parts of the middle parts of the fixed mounting plates 14, and the connecting cross rod 13 is used for being matched with rotary connection of the two ends of the connecting cross rod 13 according to the size of the mounting area, and the inclination angle of the connecting cross rod 13 is changed so as to conveniently mount the first mounting frame 11 and the second mounting frame 16 in areas with different sizes, so that the practicability of the invention is improved.

according to the difference of the installation areas, the fixed installation plate 14 is fixedly installed by using bolts to penetrate through the connecting unthreaded holes 15, so that the first installation frame 11 and the second installation frame 16 are fixed.

And secondly, the axle skeleton assembly is prevented from clamping the inside of the mounting frame 21, and the clamping rod 23 is driven to move by opening the clamping hydraulic cylinder 22 to fix the axle skeleton assembly.

And thirdly, when the axle framework assembly needs to be changed, starting the second transmission motor 43 and the first transmission motor 42 according to the difference of the angle to drive the clamping installation frame 21 and the first transmission motor 42 to rotate respectively, so that the welding position of the axle framework assembly is adjusted.

Step four, when the first transmission motor 42 rotates, the scraping rubber block 34 contacts and scrapes with the inner ring surface of the connecting inner ring 41, when encountering the falling sparks connected with the connecting inner ring 41, the sparks are scraped and removed through the scraping rubber block 34, when encountering the sparks which are difficult to clean, the scraping rubber block 34 is extruded to generate deformation, the extrusion steel balls 36 move upwards, and when the sparks enter the lower end of the scraping rubber block 34, the extrusion steel balls 38 are extruded to enable the extrusion steel balls 36 to impact the sparks, the sparks are broken, then the sparks flow out of the scraping rubber block 34 from the other side, and when in rotation, the cleaned sparks automatically drop.

In this embodiment, the second transmission motor 43, the first transmission motor 42 and the clamping hydraulic cylinder 22 are all of the prior art, and will not be described herein.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides an axle skeleton assembly welding jig, includes mounting structure (1), its characterized in that: the utility model discloses a steel ball type cleaning device, including a mounting bracket (11), a mounting bracket (16), be provided with rotating structure (4) between mounting bracket (11) and No. two mounting brackets (16), rotating structure (4) are including connecting inner ring (41), connect inner ring (41) to set up in the inboard of mounting bracket (11), one side of mounting bracket (11) and No. two mounting brackets (16) is provided with clearance structure (3), clearance structure (3) are including rotating mounting block (31), the quantity of rotating mounting block (31) is two, two rotating mounting block (31) are fixed connection respectively in one side of mounting bracket (11) and No. two mounting brackets (16), the inside rotation of rotating mounting block (31) is connected with rotation connecting rod (33), the one end fixedly connected with cleaning scraper blade (32) of rotation connecting rod (33), the both sides of cleaning scraper blade (32) lower extreme are all fixedly connected with scratch rubber piece (34), the inside of cleaning scraper blade (32) is seted up and is connected with slide bar (38), connect lower extreme (38) is extrusion design one side of the steel ball type cleaning device, the utility model discloses a hydraulic clamping device, which is characterized in that an extrusion spring (310) is fixedly connected between the upper end of a connecting sliding rod (38) and a sliding inner groove (39), a protection rubber pad (35) is fixedly connected to the lower end of the connecting sliding rod between two scraping rubber blocks (34), a rotating sliding groove (17) is formed in one side of a first mounting frame (11) and one side of a second mounting frame (16), a first transmission motor (42) is rotatably connected to the inside of the rotating sliding groove (17), a clamping structure (2) is arranged in the inner ring surface of the connecting inner ring (41) in a fixedly connected mode, the clamping structure (2) comprises a switching table (24), a rotating inner hole (48) is formed in the inner part of the switching table (24), a rotating end shaft (25) is rotatably connected to the inside of the rotating inner hole (48), a clamping mounting frame (21) is arranged in the inner part of the connecting inner ring (17), the rotating end shaft (25) is fixedly connected to the upper end surface and the lower end surface of the clamping motor (42), the clamping structure (2) is fixedly connected to the upper end surface and the lower end surface of the clamping cylinder (21) of the connecting inner ring (24), the clamping cylinder (22) is fixedly connected to the two sides of the clamping cylinder (22), the utility model discloses a motor-driven device for the automobile, including clamping lever (23) and mounting bracket (16), clamping lever (23)'s one end fixedly connected with extrusion sheet rubber (26), arc spacing groove (18) have all been seted up to one side of mounting bracket (11) and mounting bracket (16), be provided with No. two driving motor (43) between mounting bracket (11) and No. two mounting bracket (16), no. two driving motor (43)'s one end fixedly connected with spacing mount pad (45), one side sliding connection with mounting bracket (11) and No. two mounting bracket (16) respectively in the both sides of spacing mount pad (45), no. two driving motor (43) output and rotation end axle (25) transmission are connected.

2. The axle skeleton assembly welding jig of claim 1, wherein: the extrusion steel ball (36) is of a hollow design, and a supporting inner rod (37) is fixedly connected to the inside of the extrusion steel ball (36).

3. The axle skeleton assembly welding jig of claim 1, wherein: the two sides of the limiting mounting table (45) are provided with rotating clamping grooves (46), limiting balls (47) are rotatably clamped in the rotating clamping grooves (46), and one side of each limiting ball (47) is slidably clamped with the corresponding arc-shaped limiting groove (18).

4. The axle skeleton assembly welding jig of claim 1, wherein: one side of a mounting rack (11) is provided with a mounting side groove (410), a first transmission motor (42) is fixedly clamped in the mounting side groove (410), the output end of the first transmission motor (42) is fixedly connected with a driving bevel gear (44), one side inner edge of the first transmission motor (42) is fixedly connected with a driven bevel gear (49), and the driven bevel gear (49) is in meshed connection with the driving bevel gear (44).

5. The axle skeleton assembly welding jig of claim 4, wherein: the utility model discloses a solar energy collecting device, including installation frame (11), fixed mounting board (14), connecting cross bar (15) are all offered to the both ends middle part upper and lower equal fixedly connected with of installation frame (16) one side, one side of rotating installation bar (12) is provided with connects horizontal pole (13), the one end of connecting horizontal pole (13) rotates the joint with rotating installation bar (12), the both sides of installation frame (11) and No. two installation frames (16) all are provided with fixed mounting board (14), the other end of connecting horizontal pole (13) rotates the joint with one side of fixed mounting board (14), connecting unthreaded hole (15) have all been offered to the upper and lower side at fixed mounting board (14) middle part.

6. A method of using the welding jig for an axle skeleton assembly of any one of claims 1-5, comprising the steps of:

s1, according to the different sizes of installation areas, a fixed installation plate (14) is fixedly installed by using bolts to penetrate through a connecting unthreaded hole (15), so that a first installation frame (11) and a second installation frame (16) are fixed;

s2, the axle framework assembly is prevented from clamping the inside of the mounting frame (21), and the clamping rod (23) is driven to move by opening the clamping hydraulic cylinder (22) so as to fix the axle framework assembly;

s3, when the axle framework assembly needs to be changed, starting a second transmission motor (43) and a first transmission motor (42) according to different angles required to be changed, and respectively driving the clamping installation frame (21) and the first transmission motor (42) to rotate so as to adjust the welding position of the axle framework assembly;

s4, when the first transmission motor (42) rotates, the scraping rubber block (34) can contact and scrape the inner ring surface of the connecting inner ring (41), when encountering a falling spark connected with the connecting inner ring (41), the scraping rubber block (34) is used for scraping and removing, when encountering a spark which is difficult to clean, the scraping rubber block (34) is extruded to deform, the extrusion steel ball (36) moves upwards, the extrusion spring (310) is used for extruding the connecting sliding rod (38) when the spark enters the lower end of the scraping rubber block (34), so that the extrusion steel ball (36) impacts the spark, the spark impacts and breaks, then flows out of the scraping rubber block (34) at the other side, and when the spark rotates, the cleaned spark automatically drops.