CN114789320A

CN114789320A - Axle frame assembly welding fixture and using method thereof

Info

Publication number: CN114789320A
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: 2022-07-26
Anticipated expiration: 2042-06-07
Also published as: CN114789320B

Abstract

The invention discloses an axle skeleton assembly welding fixture 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, when sparks during welding fall on the connecting inner ring, the sparks can be scraped in time through the scraping rubber block, through the arrangement of the extrusion steel ball, when the sparks which are attached and difficult to clean are encountered, the extrusion steel ball can be extruded through scraping, so that the extrusion steel ball moves upwards, and then when the sparks move to the lower end of the protective rubber pad, the connecting slide rod can be extruded through the elasticity of the extrusion spring, so that the extrusion steel ball is driven to move downwards to impact the sparks to break the sparks, and when the subsequent connecting inner ring moves, the sparks flow out from the other scraping rubber block.

Description

Axle frame assembly welding fixture and using method thereof

Technical Field

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

Background

The automobile axle (also called as axle) is connected with the frame (or the bearing type automobile body) through the suspension, and wheels are arranged at the two ends of the automobile axle. The axle is used for bearing the load of the automobile, and the normal running axle maintaining the automobile on the 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 of a disconnected type, like two umbrellas are inserted at the two sides of the vehicle body, and then the vehicle body is supported by the suspension system respectively, so that the disconnected type axle is matched with the independent suspension.

Among the prior art, the anchor clamps of axle skeleton assembly welding usefulness when using, if when the region of the higher temperature uses, the spark cooling rate of welding spill can reduce to can make the spark fall on the mount table, need follow-up shovel clearance of removing, and during manual cleaning, need clear up after the complete welding end, thereby can make the spark comparatively fasten with being connected of mount table, thereby make the clearance comparatively difficult.

Therefore, we propose an axle frame assembly welding jig and a method of using the same to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an axle skeleton assembly welding clamp and a using method thereof, and aims to solve the problems that when the axle skeleton assembly welding clamp provided by the background technology is used in a region with higher temperature, the cooling speed of welding spattered sparks is reduced, so that sparks fall on an installation table and need to be subsequently shoveled and cleaned, and when the axle skeleton assembly welding clamp is manually cleaned, the sparks need to be cleaned after complete welding is finished, so that the sparks are tightly connected with the installation table, and the cleaning is difficult.

In order to achieve the purpose, the invention provides the following technical scheme: an axle skeleton assembly welding jig comprises a mounting structure, wherein the mounting structure comprises a first mounting frame and a second mounting frame, a rotating structure is arranged between the first mounting frame and the second mounting frame, the rotating structure comprises a connecting inner ring, the connecting inner ring is arranged on the inner side of the first mounting frame, one side of the first mounting frame and one side of the second mounting frame are provided with a cleaning structure, the cleaning structure comprises two rotating mounting blocks, the two rotating mounting blocks are respectively and fixedly connected to one side of the first mounting frame and one side of the second mounting frame, the rotating connecting rod is rotatably connected to the inner part of the rotating mounting blocks, one end of the rotating connecting rod is fixedly connected with a cleaning scraper blade, the two sides of the lower end of the cleaning scraper blade are both fixedly connected with scraping rubber blocks, and a connecting slide rod is arranged in the cleaning scraper blade, the lower extreme fixedly connected with extrusion steel ball of connecting the slide bar, one side of scraping the block rubber is the tilting design, fixedly connected with extrusion spring between the upper end of connecting the slide bar and the slip inside groove, two lower extreme fixedly connected with protection rubber pad between the block rubber of scraping.

Preferably, the extrusion steel ball is designed in a hollow mode, and a support inner rod is fixedly connected inside the extrusion steel ball.

Preferably, a rotation spout has all been seted up to one side of mounting bracket and No. two mounting brackets, the inside rotation of rotating the spout is connected with a drive machine, connect inner ring fixed connection in a drive machine's interior anchor ring, the inside of connecting the inner ring is provided with clamping structure, clamping structure includes the switching platform, switching platform fixed connection is at the interior anchor ring of connecting the inner ring, the rotation hole has been seted up to the inside of switching platform.

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

Preferably, an arc limiting groove is formed in one side of the first mounting frame and one side of the second mounting frame, a second transmission motor is arranged between the first mounting frame and the second mounting frame, a one end fixedly connected with limiting mounting table of the second transmission motor is fixedly connected with the two sides of the limiting mounting table respectively in sliding connection with one side of the first mounting frame and the second mounting frame, and the output end of the second transmission motor is in transmission connection with the rotating end shaft.

Preferably, the rotation clamping groove is formed in each of two sides of the limiting installation platform, the limiting ball is connected to the inside of the rotation clamping groove in a rotating mode, and one side of the limiting ball is connected with the arc-shaped limiting groove in a sliding mode.

Preferably, an installation side groove is formed in one side of the first installation frame, a first transmission motor is fixedly clamped in the installation side groove, a driving bevel gear is fixedly connected to the output end of the first transmission motor, 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 equal fixedly connected with in both ends middle part of a mounting bracket and No. two mounting bracket one sides rotates the installation pole from top to bottom, the one side of rotating the installation pole is provided with connects the horizontal pole, the one end of connecting the horizontal pole rotates the joint with the rotation installation pole, the both sides of a mounting bracket and No. two mounting brackets all are provided with 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 top and bottom in fixed mounting board middle part.

A use method of an axle frame assembly welding clamp comprises the following steps:

s1, according to the different sizes of the installation areas, the fixed installation plate is fixedly installed by penetrating a connecting unthreaded hole through a bolt, and thus the first installation frame and the second installation frame are fixed;

s2, preventing the axle framework assembly from clamping the interior of the mounting frame, and driving the clamping rod to move by opening the clamping hydraulic cylinder to fix the axle framework assembly;

s3, when the axle frame assembly needs to be changed, according to the different angles needing to be changed, a second transmission motor and a first transmission motor are started to respectively drive the clamping mounting frame and the first transmission motor to rotate, so that the welding position of the axle frame assembly is adjusted;

s4, when a transmission motor rotates, the scraping rubber block can be scraped with the inner ring surface contact of the inner ring, when the scraping rubber block falls and is connected with the spark of the inner ring, the scraping rubber block is scraped to remove, when the scraping rubber block meets the spark difficult to clean, the scraping rubber block is extruded to deform, the extrusion steel ball moves upwards, the extrusion steel ball is extruded to connect the sliding rod through the elasticity of the extrusion spring, when the spark enters the lower end of the scraping rubber block, the extrusion steel ball impacts the spark, the spark is impacted to crack, the scraping rubber block flows out from the other side, and when the spark is rotated, the cleaned spark automatically drops.

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

1. through the arrangement of the cleaning structure, when in use, the spark can be timely scraped by scraping the rubber block when the spark falls on the inner connecting ring during welding along with the rotation of the inner connecting ring, thereby preventing sparks from being attached to the connecting inner ring, leading to more complicated subsequent cleaning, and through the arrangement of the extrusion steel balls, when meeting the attached difficult-to-clean spark, the extrusion steel ball can be extruded by scraping, so that the extrusion steel balls move upwards, and then when the sparks move to the lower end of the protective rubber pad, the connection 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 sparks, and the sparks are crushed, when the subsequent connection inner ring moves, the sparks flow out of the other scraping rubber block, and can fall out of the connection inner ring through the gravity of the sparks along with the rotation of the connection inner ring so as to be convenient for cleaning the sparks;

2. the hollow design of the extrusion steel ball is used for reducing the gravity of the extrusion steel ball, so that the force required by the upward movement of the extrusion steel ball is reduced, and the use is facilitated;

3. the driving bevel gear is arranged through the driven bevel gear and the first transmission motor and used for driving the driving bevel gear to rotate through the first transmission motor, so that the first transmission motor is driven to rotate, the axle framework assembly can be adjusted by 360 degrees through the cooperation of the second transmission motor, and the welding is more convenient.

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

5. Through the arrangement of the connecting cross rod, when the mounting rack is used, the connecting cross rod is matched with the rotary connection of the two ends of the connecting cross rod according to the difference of the sizes of mounting areas, and the inclined angle of the connecting cross rod can be changed, so that the first mounting rack and the second mounting rack can be conveniently mounted in the areas with different sizes, and the practicability of the mounting rack is improved.

Drawings

FIG. 1 is a schematic perspective view of an axle frame assembly welding fixture and method of use thereof according to the present invention;

FIG. 2 is an exploded view of a portion of the structure of an axle frame assembly weld fixture and method of use of the same in accordance with the present invention;

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

FIG. 5 is an enlarged structural view of an axle frame assembly welding fixture and method of use thereof FIG. 4A;

FIG. 6 is a schematic perspective view of a welding fixture for an axle frame assembly and a connecting inner ring used in the method of using the same according to the present invention;

FIG. 7 is a schematic perspective view of a cleaning structure of an axle frame assembly welding fixture and method of use thereof according to the present invention;

fig. 8 is a schematic view of a connecting structure of a cleaning scraper and a scraping rubber block (34) in the axle frame assembly welding fixture and the use method thereof.

In the figure:

1. a mounting structure; 11. a first mounting rack; 12. rotating the mounting rod; 13. connecting a cross bar; 14. fixing the mounting plate; 15. connecting the light hole; 16. a second mounting rack; 17. rotating the chute; 18. an arc-shaped limiting groove;

2. a clamping structure; 21. clamping the mounting frame; 22. clamping a hydraulic cylinder; 23. a clamping rod; 24. a transfer station; 25. rotating the end shaft; 26. extruding the 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 sliding rod; 39. a sliding inner groove; 310. a compression spring;

4. a rotating structure; 41. connecting the inner ring; 42. a first transmission motor; 43. a second transmission motor; 44. a driving bevel gear; 45. a limiting installation 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 technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2 and fig. 7-8, the present invention provides a technical solution: an axle skeleton assembly welding jig comprises a mounting structure 1, wherein the mounting structure 1 comprises a first mounting frame 11 and a second mounting frame 16, a rotating structure 4 is arranged between the first mounting frame 11 and the second mounting frame 16, the rotating structure 4 comprises a connecting inner ring 41, the connecting inner ring 41 is arranged on the inner side of the first mounting frame 11, a cleaning structure 3 is arranged on one side of the first mounting frame 11 and one side of the second mounting frame 16, the cleaning structure 3 comprises two rotating mounting blocks 31, the two rotating mounting blocks 31 are respectively and fixedly connected with one side of the first mounting frame 11 and one side of the second mounting frame 16, a rotating connecting rod 33 is rotatably connected inside the rotating mounting blocks 31, a cleaning scraper 32 is fixedly connected with one end of the rotating connecting rod 33, two sides of the lower end of the cleaning scraper 32 are respectively and fixedly connected with a scraping rubber block 34, a connecting slide rod 38 is arranged inside the cleaning scraper 32, the lower end of the connecting slide rod 38 is fixedly connected with an extrusion steel ball 36, one side of the scraping rubber blocks 34 is designed in an inclined manner, an extrusion spring 310 is fixedly connected between the upper end of the connecting slide rod 38 and the sliding inner groove 39, and a protective rubber pad 35 is fixedly connected between the lower ends of the two scraping rubber blocks 34.

The working principle of the embodiment is as follows: through the arrangement of the cleaning structure 3, when the spark falls on the connecting inner ring 41 along with the rotation of the connecting inner ring 41 during welding, the spark can be timely scraped through the scraping rubber block 34 to prevent the spark from being attached to the connecting inner ring 41, the subsequent cleaning is complicated, through the arrangement of the extrusion steel balls 36, when the attached spark which is difficult to clean is encountered, the extrusion steel balls 36 can be extruded through scraping, so that the extrusion steel balls 36 move upwards, and then when the spark moves to the lower end of the protective rubber pad 35, the connection sliding rod 38 can be extruded through the elasticity of the extrusion spring 310 to drive the extrusion steel balls 36 to move downwards to impact the spark to break the spark, and when the subsequent connecting inner ring 41 moves, the spark flows out from the other scraping rubber block 34 and rotates along with the connection inner ring 41, can fall out of the connecting inner ring 41 by the weight of the spark itself to facilitate cleaning of the spark;

meanwhile, as shown in fig. 8, the extrusion steel ball 36 is of a hollow design, an inner support rod 37 is fixedly connected inside the extrusion steel ball 36, the rotary connecting rod 33 is rotatably connected with the rotary mounting block 31 through a torsion spring, and the hollow design of the extrusion steel ball 36 plays a role in reducing the gravity of the extrusion steel ball 36, so that the force required by the upward movement of the extrusion steel ball 36 is reduced, and the use is facilitated.

Meanwhile, as shown in fig. 1-2 and 6, a rotating chute 17 is formed in one side of each of the first mounting frame 11 and the second mounting frame 16, a first transmission motor 42 is connected to the inside of the rotating chute 17 in a rotating mode, an inner ring 41 is connected to the inner ring surface of the first transmission motor 42 in a fixed mode, a clamping structure 2 is arranged inside the inner ring 41 in a connected mode, the clamping structure 2 comprises a transfer table 24, the transfer table 24 is fixedly connected to the inner ring surface of the inner ring 41 in a connected mode, a rotating inner hole 48 is formed in the transfer 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, and therefore abrasion can be generated after the first transmission motor 42 is used for a long time, or the first transmission motor 42 can be conveniently taken out and replaced when the first transmission motor 42 is damaged.

Meanwhile, as shown in fig. 1-3 and 6, a rotating end shaft 25 is rotatably connected inside the rotating inner hole 48, a clamping mounting frame 21 is arranged inside the connecting inner ring 41, the rotating end shaft 25 is fixedly connected to the upper end and the lower end of the clamping mounting frame 21, clamping hydraulic cylinders 22 are fixedly connected to the upper end and the lower end inside the clamping mounting frame 21, clamping rods 23 are fixedly connected to the ends of the clamping hydraulic cylinders 22, one ends of the clamping rods 23 are fixedly connected with extrusion rubber sheets 26, the clamping hydraulic cylinders 22 and the clamping rods 23 are used for clamping the axle skeleton assembly, and the outer side of the axle skeleton assembly can be exposed to a large extent due to the design, so that welding of each area is facilitated, the number of times of dismounting and mounting during welding is reduced, and the use is facilitated.

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

According to fig. 2 simultaneously, rotation draw-in groove 46 has all been seted up to the both sides of spacing mount table 45, the inside rotation joint of rotation draw-in groove 46 has spacing ball 47, one side and the spacing groove 18 slip joint of arc of spacing ball 47, through the setting of spacing ball 47, be used for buffering between spacing mount table 45 and mounting bracket 11 and No. two mounting brackets 16, thereby reduce the friction, cooperation arc spacing groove 18 can play certain supporting role, in order to reduce the wearing and tearing of spacing mount table 45.

Meanwhile, as shown in fig. 2 and 4, an installation side groove 410 is formed in one side of the first installation frame 11, a first transmission motor 42 is fixedly clamped inside the installation side groove 410, a driving bevel gear 44 is fixedly connected to an output end of the first transmission motor 42, 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, and the driven bevel gear 49 and the first transmission motor 42 are arranged to drive the driving bevel gear 44 to rotate through the first transmission motor 42 so as to drive the first transmission motor 42 to rotate.

Meanwhile, as shown in 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 rotatably clamped with the rotary mounting rod 12, the two sides of the first mounting frame 11 and the second mounting frame 16 are provided with fixed mounting plates 14, the other end of the connecting cross rod 13 is rotatably clamped with one side of the fixed mounting plates 14, the upper and lower parts of the middle parts of the fixed mounting plates 14 are provided with connecting light holes 15, and through the arrangement of the connecting cross rod 13, when in use, according to the different sizes of the installation areas, the rotary connection of the two ends of the connecting cross rod 13 can be matched, the inclination angle of the connecting cross rod 13 can be changed, so that the first mounting bracket 11 and the second mounting bracket 16 are installed in different sized regions to increase the utility of the present invention.

step one, according to different sizes of installation areas, the fixed installation plate 14 is fixedly installed by penetrating through the connecting unthreaded hole 15 through bolts, and therefore the first installation frame 11 and the second installation frame 16 are fixed.

And step two, preventing the axle frame assembly from clamping the inside of the mounting frame 21, and driving the clamping rod 23 to move by opening the clamping hydraulic cylinder 22 so as to fix the axle frame assembly.

And step three, when the axle frame assembly needs to be changed, the second transmission motor 43 and the first transmission motor 42 are started according to the different angles needed to be changed, and the clamping mounting frame 21 and the first transmission motor 42 are respectively driven to rotate, so that the welding position of the axle frame assembly is adjusted.

Step four, when the first transmission motor 42 rotates, the scraping rubber block 34 can be in contact with the inner ring surface of the connection inner ring 41 to be scraped, when falling sparks connected with the connection inner ring 41 are encountered, the scraping rubber block 34 is scraped to be removed, when sparks which are difficult to clean are encountered, the scraping rubber block 34 is extruded to generate deformation, the extrusion steel ball 36 moves upwards, through the elasticity of the extrusion spring 310, when sparks enter the lower end of the scraping rubber block 34, the extrusion connection sliding rod 38 is extruded, the extrusion steel ball 36 impacts sparks, the sparks are broken, then the scraping rubber block 34 flows out from the other side, and when the spark which is cleaned automatically falls.

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

Although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. The utility model provides an axle skeleton assembly welding jig, includes mounting structure (1), its characterized in that: the mounting structure (1) comprises a first mounting frame (11) and a second mounting frame (16), a rotating structure (4) is arranged between the first mounting frame (11) and the second mounting frame (16), the rotating structure (4) comprises a connecting inner ring (41), the connecting inner ring (41) is arranged on the inner side of the first mounting frame (11), a cleaning structure (3) is arranged on one side of the first mounting frame (11) and the second mounting frame (16), the cleaning structure (3) comprises rotating mounting blocks (31), the number of the rotating mounting blocks (31) is two, the two rotating mounting blocks (31) are respectively and fixedly connected to one side of the first mounting frame (11) and the second mounting frame (16), a rotating connecting rod (33) is rotatably connected to the inside of the rotating mounting blocks (31), and a cleaning scraper (32) is fixedly connected to one end of the rotating connecting rod (33), the equal fixedly connected with in both sides of cleaning scraper blade (32) lower extreme scrapes rubber piece (34), connecting slide bar (38) have been seted up to the inside of cleaning scraper blade (32), the lower extreme fixedly connected with extrusion steel ball (36) of connecting slide bar (38), one side of scraping rubber piece (34) is the tilting design, fixedly connected with extrusion spring (310), two between the upper end of connecting slide bar (38) and slip inside groove (39) scrape lower extreme fixedly connected with protection rubber pad (35) between rubber piece (34).

2. The axle frame assembly welding jig of claim 1, characterized in that: the extrusion steel ball (36) is designed in a hollow mode, and a support inner rod (37) is fixedly connected to the inside of the extrusion steel ball (36).

3. The axle frame assembly welding jig of claim 1, characterized in that: a rotation spout (17) have all been seted up to one side of mounting bracket (11) and No. two mounting brackets (16), the inside of rotating spout (17) is rotated and is connected with drive machine (42) No. one, connect inner ring (41) fixed connection at the interior anchor ring of a drive machine (42), the inside of connecting inner ring (41) is provided with clamping structure (2), clamping structure (2) are including switching platform (24), switching platform (24) fixed connection is at the interior anchor ring of connecting inner ring (41), rotation hole (48) have been seted up to the inside of switching platform (24).

4. The axle frame assembly welding jig of claim 3, characterized in that: the inside of rotating hole (48) is rotated and is connected with rotation end shaft (25), the inside of connecting inner ring (41) is provided with centre gripping mounting bracket (21), rotate end shaft (25) fixed connection at the upper and lower end of centre gripping mounting bracket (21), the equal fixedly connected with centre gripping pneumatic cylinder (22) in both sides of lower extreme about centre gripping mounting bracket (21) is inside, the tip fixedly connected with supporting rod (23) of centre gripping pneumatic cylinder (22), the one end fixedly connected with extrusion sheet rubber (26) of supporting rod (23).

5. The axle frame assembly welding jig of claim 1, characterized in that: arc spacing groove (18) have all been seted up to one side of mounting bracket (11) and No. two mounting brackets (16), be provided with No. two drive machine (43) between mounting bracket (11) and No. two mounting brackets (16), the spacing mount table (45) of one end fixedly connected with of No. two drive machine (43), the both sides of spacing mount table (45) respectively with one side sliding connection of mounting bracket (11) and No. two mounting brackets (16), the output and the rotation end shaft (25) transmission of No. two drive machine (43) are connected.

6. The axle frame assembly welding jig of claim 5, characterized in that: rotation draw-in groove (46) have all been seted up to the both sides of spacing mount table (45), the inside rotation joint that rotates draw-in groove (46) has spacing ball (47), one side and arc spacing groove (18) slip joint of spacing ball (47).

7. The axle frame assembly welding jig of claim 1, characterized in that: installation side groove (410) have been seted up to one side of an installation frame (11), the inside joint of installation side groove (410) is fixed with a drive motor (42), the output fixedly connected with initiative bevel gear (44) of a drive motor (42), the driven bevel gear (49) of one side inner edge department fixedly connected with of a drive motor (42), driven bevel gear (49) are connected with initiative bevel gear (44) meshing.

8. The axle frame assembly welding jig of claim 7, characterized in that: mounting bracket (11) and the equal fixedly connected with in both ends middle part below on one side of No. two mounting brackets (16) rotate installation pole (12), one side of rotating installation pole (12) is provided with connects horizontal pole (13), the one end of connecting horizontal pole (13) rotates the joint with rotation installation pole (12), mounting bracket (11) all is provided with fixed mounting panel (14) with the both sides of No. two mounting brackets (16), the joint is rotated to the other end of connecting horizontal pole (13) and one side of fixed mounting panel (14), connect unthreaded hole (15) have all been seted up to the below of fixed mounting panel (14) middle part.

9. An application method of an axle frame assembly welding clamp, which is characterized in that the axle frame assembly welding clamp of any one of claims 1-8 is used, and comprises the following steps:

s1, according to the size of the installation area, the fixed installation plate (14) is fixedly installed by penetrating a connecting unthreaded hole (15) through bolts, and thus the first installation frame (11) and the second installation frame (16) are fixed;

s2, preventing the axle frame assembly from clamping the interior of the mounting frame (21), and driving the clamping rod (23) to move by opening the clamping hydraulic cylinder (22) to fix the axle frame assembly;

s3, when the axle frame assembly needs to be changed, according to the different angles needing to be changed, a second transmission motor (43) and a first transmission motor (42) are started, and the clamping mounting frame (21) and the first transmission motor (42) are respectively driven to rotate, so that the welding position of the axle frame assembly is adjusted;

s4, when the first transmission motor (42) rotates, the scraping rubber block (34) can be in contact with the inner ring surface of the inner ring (41) for scraping, when falling sparks connected with the inner ring (41) are encountered, the scraping rubber block (34) is scraped and removed, when sparks which are difficult to clean are encountered, the scraping rubber block (34) is extruded to generate deformation, the extrusion steel balls (36) move upwards, through the elasticity of the extrusion spring (310), when sparks enter the lower end of the scraping rubber block (34), the extrusion connection sliding rod (38) is extruded, the extrusion steel balls (36) are subjected to spark impact, the sparks are cracked, the rubber block (34) flows out from the other side, and when the spark rotates, the cleaned sparks automatically fall.