CN110883490A - Auxiliary tool for welding bogie beam tube assembly - Google Patents

Abstract

The invention discloses an auxiliary tool for welding a bogie beam tube assembly, which comprises an auxiliary tool for welding a bogie beam, a motor hanging seat fixing clamp, a traction pull rod seat fixing clamp, a gear box hanging seat fixing clamp and a motor anti-falling stopping fixing clamp. The auxiliary tool for welding the bogie beam pipe assembly can accurately and reliably clamp and position the beam pipe assembly through the beam pipe positioning tool frame main body, and can drive the beam pipe assembly fixed inside to rotate or position at any given inclination angle after being fixedly connected with the deflection disc of the automatic welding machine, so that a welding probe of a mechanical arm can accurately weld a welding seam on the beam pipe assembly under the programming control of a control system. The motor hanging seat fixing clamp, the traction pull rod seat fixing clamp, the gear box hanging seat fixing clamp and the motor anti-falling stopping fixing clamp are compact in layout, exquisite in structure, high in integration level and small in occupied space.

Description

Auxiliary tool for welding bogie beam tube assembly

Technical Field

The invention relates to the technical field of railway passenger car bogie manufacturing devices, in particular to an auxiliary tool for welding a bogie beam tube assembly.

Background

The main structure of a cross beam tube assembly 2 of a railway passenger car bogie in the prior art is shown in fig. 1 to 3, and comprises a cross beam tube 201, two cross beam end seats 202, two traction pull rod seat plates 203, two gear box hanger seat plates 204, a motor anti-drop stop plate 205 and two motor hanger seat plates 206;

the two beam end mounts 202 are pentagonal plate structures having at least two parallel sides, and the two are respectively and coaxially connected to two ends of the beam tube 201.

The main structure of the traction pull rod seat plate 203 is a vertical shaft seat 20301 in the plumb direction, and a half-moon-shaped clamp which is vertically connected with the axial circumferential outer side wall of the beam tube 201 is arranged on the side of the vertical shaft seat 20301; the two tie rod seat plates 203 are parallel to each other, both of which are welded to the outer side wall of the beam tube 201 in exactly the same posture, and together constitute a tie rod seat.

A horizontal large through hole 20601 along the axial direction of the cross beam pipe 201 and a positioning small screw hole 20602 along the axial direction of the cross beam pipe 201 are arranged on the main body wall plate structure of the motor hanging seat plate 206, and a half-moon-shaped hoop structure used for being vertically connected with the circumferential outer side wall of the cross beam pipe 201 is arranged on the side of the main body wall plate structure; two motor hanger plates 206 are parallel to each other, both of which are vertically welded to the axially outer side wall of the beam tube 201 in exactly the same posture, and together constitute a motor hanger.

The upper end surface of the main body wall plate structure of the motor hanger plate 206 is parallel to the upper end surface of the vertical shaft seat 20301 on the draw rod seat, and the draw rod seat and the motor hanger seat are respectively located at the same axial segment position in the axial direction of the beam tube 201, and the two are approximately bilaterally symmetrical about the axis of the beam tube 201.

The main body structure of the gear box hanging seat plate 204 is a gear box hanging seat quadrangular column 20401, and a half-moon-shaped hoop for being vertically connected with the axial circumferential outer side wall of the beam pipe 201 is arranged on the side of the gear box hanging seat quadrangular column 20401; two gearbox hanger plates 204 are parallel to each other, both of which are vertically welded to the axially outer side walls of the beam pipes 201 in exactly the same posture, and together constitute a gearbox hanger.

The structure and the installation posture of the motor anti-falling stop plate 205 are similar to those of the gearbox hanging seat plate 204. The motor anti-falling stop plate 205 and the gearbox hanging seat are respectively located at the same axial section position in the axial direction of the beam pipe 201, but the two are approximately symmetrical left and right about the axis of the beam pipe 201. The upper end surface of the anti-falling stop plate quadrangular column 20501 of the motor anti-falling stop plate 205 and the upper end surface of the gearbox hanging seat quadrangular column 20401 are both parallel to the upper end surface of the vertical shaft seat 20301.

Because the layout positions of the two motor hanging seat plates 206, the two gear box hanging seat plates 204, the motor anti-falling stop plate 205 and the two traction pull rod seat plates 203 on the cross beam pipe 201 are close, and the layout postures have relative position relation requirements and precision requirements at the same time, even if the seven conventional universal fixtures in the high-density compact layout are adopted for positioning, the seven fixtures still conflict and interfere with each other, reasonable arrangement cannot be realized, too many conventional positioning fixtures occupy and block the operating space of a welding manipulator, the welding process of the welding manipulator needs to be stopped and adjusted for many times midway, and all operations cannot be finished continuously.

On the other hand, even if the seven positioning and welding on the beam tube 201 are temporarily achieved according to the correct positioning posture, if the positioning is achieved only by the self structure of the welding position, and the relative positions of the seven and the beam tube 201 cannot be continuously maintained, the positioning postures of the seven will be significantly changed again under the influence of the subsequent welding thermal shrinkage deformation, so that not only the positioning accuracy cannot be effectively guaranteed, but also the beam tube 201 is subjected to a large drawing action, so that the beam tube 201 is subjected to the distortion deformation, the mechanical structure strength is reduced, and the heavy subsequent remedial work is required to correct the beam tube 201, so that extra manpower and material resources are wasted, the production takt is prolonged, the production efficiency is reduced, the manufacturing cost is increased, and the economic benefit is reduced.

Disclosure of Invention

The invention provides an auxiliary tool for welding a bogie beam tube assembly, which improves the assembly precision, reduces the deformation degree after welding and improves the automation degree.

In order to achieve the above purpose, the invention provides the following technical scheme:

the invention discloses an auxiliary tool for welding a bogie beam tube assembly, which comprises:

the beam pipe positioning tool frame main body is internally provided with a beam processing cavity;

the two ends of the beam pipe positioning tool frame main body are provided with automatic welding machine connecting discs, and the beam pipe positioning tool frame main body is connected with an external automatic welding machine through the automatic welding machine connecting discs;

the crossbeam pipe positioning tool frame main body is provided with a crossbeam pipe fixing mechanism and a crossbeam end seat multi-angle fixing mechanism;

the beam pipe fixing mechanism is fixedly connected below the beam pipe positioning tool frame main body and used for fixing a beam pipe of the beam pipe assembly in a three-point supporting mode;

the beam end seat multi-angle fixing mechanism is fixedly connected to the side wall of the beam processing cavity and used for fixing a beam end seat at the end part of a beam pipe assembly in a three-point supporting mode, and supporting force generated by at least one supporting point of the two oppositely-arranged beam end seat multi-angle fixing mechanisms extends along the axial direction of the beam pipe and provides axial clamping force for the beam pipe assembly;

this auxiliary fixtures still includes:

the device comprises a motor hanging seat fixing clamp, a traction pull rod seat fixing clamp, a gear box hanging seat fixing clamp and a motor anti-drop stopping fixing clamp;

the motor hanging seat fixing clamp is fixedly connected above a frame of the beam pipe positioning tool frame main body and used for positioning a motor hanging seat plate on the left side of the radial outer side wall of the beam pipe;

the traction pull rod seat fixing clamp is fixedly connected below a frame of the beam tube positioning tool frame main body and used for positioning the traction pull rod seat plate on the right side of the radial outer side wall of the beam tube;

the gearbox hanging seat fixing clamp is fixedly connected above the frame of the beam pipe positioning tool frame main body, is positioned on the same side of the radial outer side wall of the beam pipe with the motor hanging seat fixing clamp, and is used for positioning a gearbox hanging seat plate on the left side of the radial outer side wall of the beam pipe;

the motor anti-falling stopping fixing clamp is fixedly connected above a frame of the beam tube positioning tool frame main body and is positioned on the same side of the radial outer side wall of the beam tube with the traction pull rod seat fixing clamp;

the motor hanging seat fixing clamp and the traction pull rod seat fixing clamp are close to the same automatic welding machine connecting plate;

the gear box lifting seat fixing clamp and the motor anti-falling stopping fixing clamp are close to the automatic welding machine connecting plate on the other side.

Further, the beam tube positioning tool frame body is configured into a frame structure extending along the length direction of the beam tube assembly, and two sides of the frame structure are fixedly connected with structural beams;

the two ends of the beam pipe positioning tool frame main body along the length direction are fixedly connected with the automatic welding machine connecting discs;

the beam tube fixing mechanism comprises a beam tube embedding seat, and the beam tube embedding seat is inwards sunken to form a beam tube embedding groove;

the beam tube embedding groove is provided with a first inclined surface, a second inclined surface and a horizontal plane positioned between the first inclined surface and the second inclined surface, and the first inclined surface, the second inclined surface and the horizontal plane form an inverted trapezoidal positioning shaft seat structure;

a first beam tube abutting bolt is mounted on the first inclined surface, a second beam tube abutting bolt is mounted on the second inclined surface, and a pressing arm is arranged at a position, close to the beam tube embedding groove, of the beam tube embedding seat;

the pressing arm is arranged on the upper end face of the beam tube embedding seat and is provided with a pressing end extending towards the beam tube embedding groove direction;

when the beam pipe is arranged in the beam pipe embedding groove, the beam pipe first abutting bolt, the beam pipe second abutting bolt and the pressing end are respectively abutted with three points of the circumference of the beam pipe to form a three-point supporting and fixing structure;

the multi-angle fixing mechanism for the cross beam end seat comprises a first connecting seat abutting bolt and a second connecting seat abutting bolt which are respectively fixed on the two structural beams, wherein the first connecting seat abutting bolt and the second connecting seat abutting bolt are respectively in vertical contact with two opposite side walls on the cross beam end seat and apply radial fastening pressure to the corresponding side walls of the cross beam end seat;

wherein, crossbeam end seat multi-angle fixed establishment still includes:

a third abutting bolt of the connecting seat assembled on the connecting disc of the automatic welding machine;

the third butt bolt of the connecting seat extends along the axial direction of the beam pipe and is fixedly connected with the end surface of the connecting plate of the automatic welding machine;

the beam end seat is formed into a three-point limiting fixing structure through the first abutting bolt of the connecting seat, the second abutting bolt of the connecting seat and the third abutting bolt of the connecting seat.

Further, the motor hanging seat fixing clamp comprises a motor hanging seat assembling seat, a connecting lug plate vertical pressing plate, a motor hanging seat plate connecting plate, a connecting plate rotating shaft, a vertical pressing plate, a screw nut handle, a vertical pressing plate supporting screw rod mechanism, a double-end fastening screw rod, a motor hanging seat plate small screw hole fixing nut, a horizontal transverse shaft seat and a pressing guide bolt;

the U-shaped sliding groove on the motor hanging seat assembling seat is fixedly assembled with the structural beam through a bolt;

two connecting lug plate vertical pressing plates are symmetrically arranged on the motor hanging seat assembling seat;

the connecting lug plate vertical pressing plate is connected with the tail end shaft of the motor hanging seat plate connecting plate through a connecting plate rotating shaft, the motor hanging seat plate connecting plate extends to the outside of the motor hanging seat assembling seat and forms a straight cantilever, and the opposite end faces of the straight cantilever ends of the two motor hanging seat plate connecting plates are fixedly connected with each other through rib plates;

the end part of the connecting plate of the motor hanging seat plate is provided with two connecting plate through holes respectively corresponding to the small positioning screw holes and the large horizontal through holes;

the motor hanger seat plate is fixedly assembled with the motor hanger seat plate connecting plate through the motor hanger seat plate small screw hole fixing nut and the double-end fastening screw rod;

the upper end of the middle section of the connecting plate of the motor hanging seat plate is provided with a vertical rectangular groove, the center of the vertical pressing plate is provided with a U-shaped notch, two ends of the vertical pressing plate are respectively embedded into the corresponding rectangular grooves, the center of the motor hanging seat assembling seat is fixedly connected with the horizontal cross shaft seat, and a horizontal rotating shaft on the horizontal cross shaft seat is parallel to the extending direction of the structural beam;

the lower end of the compression guide bolt is vertically and fixedly connected with the horizontal rotating shaft; the upper end of the compression guide bolt sequentially penetrates through the U-shaped notch and is in threaded connection with the threaded through hole in the nut handle;

the two vertical pressing plate supporting lead screw mechanisms are respectively arranged on two sides of the horizontal transverse shaft seat;

the lower end of the vertical pressing plate supporting lead screw mechanism is abutted to the motor hanging seat clamp seat plate, and the upper end of the vertical pressing plate supporting lead screw mechanism is abutted to the lower end face of the vertical pressing plate.

Further, the traction pull rod seat fixing clamp comprises a traction pull rod seat fixing clamp assembling seat which is assembled and fixed on the lower surface of the structural beam through a bolt;

the lower end face of the traction pull rod seat fixing clamp assembling seat is fixedly connected with two traction pull rod seat fixing clamp rotating shaft seats;

the side wall of the rotating shaft seat of the traction pull rod seat fixing clamp extends to the outer side of the assembly seat of the traction pull rod seat fixing clamp and forms a cantilever, and the end part of the cantilever of the rotating shaft seat of the traction pull rod seat fixing clamp is fixedly connected with a fixed seat of an axial positioning rod of the traction pull rod seat;

two guide rod threaded holes are symmetrically formed in the vertical end face of the fixed seat of the axial positioning rod of the traction pull rod seat;

this draw pull rod seat mounting fixture still includes:

the turning body of the fixed clamp of the traction pull rod seat is J-shaped, the top end part of the vertical section of the J shape is hinged with the rotating shaft seat of the fixed clamp of the traction pull rod seat through a rotating shaft, and the J-shaped bent end parts of the turning bodies of the fixed clamp of the two traction pull rod seats are fixedly connected through a connecting rod;

the outer side wall of the J-shaped bent end part on the traction pull rod seat fixing clamp overturning body is provided with a hook transverse screw hole, and two distance adjusting screws are respectively in threaded connection with the corresponding hook transverse screw holes;

and the lower part of the turning body of the traction pull rod seat fixing clamp is provided with an operating handle.

Further, the motor anti-falling stopping fixing clamp comprises an industrial quick clamp, a motor anti-falling stopping fixing clamp base plate, an L-shaped cantilever, a motor anti-falling stopping fixing clamp vertical seat plate and at least three lateral positioning bolts;

the bottom of the base of the motor anti-falling backstop fixing clamp is fixedly assembled with the structural beam through a bolt, and the lower end of the vertical seat plate of the motor anti-falling backstop fixing clamp is vertically and fixedly connected with the base plate of the motor anti-falling backstop fixing clamp;

the L-shaped cantilever is horizontally and fixedly connected to the middle upper part of the vertical seat plate of the motor anti-falling backstop fixing clamp to form an embedded groove;

the two lateral positioning bolts are sequentially and vertically fixedly connected to the side wall of the vertical base plate of the motor anti-falling stopping fixing clamp along the plumb bob direction, the other lateral positioning bolt is fixedly connected to the end part of the L-shaped cantilever, and the axis of the lateral positioning bolt positioned at the end part of the L-shaped cantilever is parallel to the side wall of the vertical base plate of the motor anti-falling stopping fixing clamp and the upper end surface of the base plate of the motor anti-falling stopping fixing clamp;

the industrial quick clamp is vertically and fixedly connected with the side wall of the middle section of the vertical base plate of the motor anti-falling stopping fixing clamp, the pressing end on the industrial quick clamp is positioned outside the opening end of the embedded groove, and the vertical height of the pressing end is positioned between two lateral positioning bolts on the side wall of the vertical base plate of the motor anti-falling stopping fixing clamp.

Furthermore, gear box hanger seat mounting fixture includes two sets of with motor anticreep backstop mounting fixture structure the same gear box hanger seat board mounting fixture, and is two sets of gear box hanger seat board mounting fixture links firmly as an organic whole through gear box hanger seat mounting fixture base.

Furthermore, a vertical wall plate fixedly connected to the base of the gearbox hanging seat fixing clamp and a lateral positioning bolt in threaded connection with the vertical wall plate are arranged between the two groups of gearbox hanging seat plate fixing clamps.

In the technical scheme, the auxiliary tool for welding the bogie beam tube assembly provided by the invention has the following beneficial effects:

the auxiliary tool for welding the bogie beam pipe assembly can accurately and reliably clamp and position the beam pipe assembly through the beam pipe positioning tool frame main body, and can drive the beam pipe assembly fixed inside to rotate or position at any given inclination angle after being fixedly connected with the deflection disc of the automatic welding machine, so that a welding probe of a mechanical arm can accurately weld a welding seam on the beam pipe assembly under the programming control of a control system. The four parts of the motor hanging seat fixing clamp, the traction pull rod seat fixing clamp, the gear box hanging seat fixing clamp and the motor anti-falling stopping fixing clamp are compact in layout, exquisite in structure, high in integration level and small in occupied space, the four parts can complete two motor hanging seat plates in a split layout mode, two gear box hanging seat plates, seven motor anti-falling stopping plates and two traction pull rod seat plates can meet all requirements on relative position relation and precision when the two motor hanging seat plates and the two traction pull rod seat plates are assembled and positioned on a beam pipe, and the occupied space and the clamp quantity required when the conventional positioning clamp completes the same requirement can be greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic structural view of a cross beam tube assembly of a railway car truck in the prior art;

FIG. 2 is an exploded view of a prior art cross beam tube assembly of a railway car truck;

FIG. 3 is a front view of a cross beam tube assembly of a prior art railway car truck;

FIG. 4 is a schematic structural view of an auxiliary tool for welding a bogie beam tube assembly, which is disclosed by the embodiment of the invention;

FIG. 5 is an exploded view of the structure of an auxiliary tool for welding a bogie beam tube assembly according to an embodiment of the invention;

FIG. 6 is an exploded view of the frame body of the positioning tool for the beam tube in the embodiment of the invention;

FIG. 7 is a schematic view of an assembly structure of a fixing clamp of an auxiliary tool for welding a bogie beam tube assembly and the beam tube assembly, according to an embodiment of the invention;

FIG. 8 is a schematic structural view of a part to be positioned of a fixing clamp of the auxiliary tool for welding the bogie beam tube assembly, which is disclosed by the embodiment of the invention;

FIG. 9 is a schematic structural view of a motor hanger fixing clamp of the auxiliary tool for welding the bogie beam tube assembly disclosed in the embodiment of the present invention;

FIG. 10 is a front view of a motor hanger fixing clamp of the auxiliary tool for welding a bogie beam tube assembly according to the embodiment of the invention;

fig. 11 is a schematic structural view of an assembly state of a motor hanger bracket fixing clamp and a motor hanger bracket plate of the auxiliary tool for welding the bogie beam tube assembly disclosed by the embodiment of the invention;

fig. 12 is a first schematic structural view of a first fixing clamp of a traction link seat of the auxiliary tool for welding the bogie beam tube assembly disclosed in the embodiment of the invention;

fig. 13 is a second schematic structural view of a second tie rod seat fixing clamp of the auxiliary tool for welding the bogie beam tube assembly disclosed in the embodiment of the invention;

fig. 14 is a schematic structural view of an assembly state of a traction link seat fixing clamp and a traction link seat plate of the auxiliary tool for welding the bogie beam tube assembly disclosed by the embodiment of the invention;

FIG. 15 is a schematic structural view of a motor anti-separation stop fixing clamp of the auxiliary tool for welding the bogie beam tube assembly disclosed in the embodiment of the present invention;

FIG. 16 is a top view of a motor anti-separation stop fixing clamp of the auxiliary tool for welding the bogie beam tube assembly disclosed in the embodiment of the invention;

fig. 17 is a schematic structural view of an assembly state of a motor anti-falling stopper fixing clamp and a motor anti-falling stopper plate of the auxiliary tool for welding the bogie beam tube assembly disclosed in the embodiment of the invention;

FIG. 18 is a schematic structural view of a gearbox suspension seat fixing clamp of the auxiliary tool for welding the bogie beam tube assembly according to the embodiment of the invention;

FIG. 19 is a top view of a gearbox hanger fixing clamp of the auxiliary tool for welding a bogie beam tube assembly according to the embodiment of the invention;

fig. 20 is a schematic structural view of an assembly state of an auxiliary tool for welding a bogie beam tube assembly and the beam tube assembly, which is disclosed by the embodiment of the invention.

Description of reference numerals:

1. a beam pipe positioning tool frame main body; 2. a cross beam tube assembly; 3. fixing a clamp by a motor hanging seat; 4. the clamp is fixed by the traction pull rod seat; 5. fixing a clamp on a gearbox hanging seat; 6. the motor anti-drop backstop fixes the clamp; 7. fixing a clamp on a gearbox hanging seat plate;

101. a structural beam; 102. connecting discs of automatic welding machines; 103. a beam tube fixing mechanism; 104. the crossbeam end seat multi-angle fixing mechanism;

10301. the beam tube is embedded in the seat; 10302. the beam tube is embedded in the groove; 10303. a first inclined surface; 10304. a second inclined surface; 10305. a horizontal plane; 10306. a pressure arm; 10307. a pressing end; 10308. a beam tube first abutment bolt; 10309. a beam tube second abutment bolt;

10401. a first abutting bolt of the connecting seat; 10402. a second abutting bolt of the connecting seat; 10403. a third abutting bolt of the connecting seat;

201. a beam tube; 202. a connecting seat; 203. a traction pull rod seat plate; 204. a gearbox hanger plate; 205. a motor anti-falling stop plate; 206. a motor hanger plate;

301. a motor hanging seat assembling seat; 302. the lug plate is connected with the pressing plate vertically; 303. a beam vertical plate connecting plate; 304. a connecting plate rotating shaft; 305. reinforcing the body; 306. a nut handle; 307. the vertical pressing plate supports the screw mechanism; 308. fastening a bolt; 309. a beam vertical plate fixing rod;

30110. a horizontal shaft seat; 30111. compressing the guide bolt;

3011001, horizontal rotating shaft;

401. the traction pull rod seat fixes the clamp assembly seat; 402. the traction pull rod seat fixes the clamp structure frame; 403. the traction pull rod seat fixes the fixture fixing rod; 404. the traction pull rod seat fixes the clamp overturning body; 405. an operating handle; 406. a fixed seat for the axial positioning rod of the traction pull rod seat; 407. a spacing adjustment screw;

40401. a hook transverse screw hole;

40601. a guide rod threaded hole;

501. the gear box hanging seat is fixed on the clamp assembly seat; 502. the gear box hanging seat fixing clamp is embedded in the groove;

601. the motor anti-drop backstop fixes the base plate of the clamp; 602. an L-shaped cantilever;

E. a lateral positioning bolt;

K. industrial quick clamp pliers;

G. and a groove is embedded.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

See fig. 4-20;

the bogie beam tube assembly welding of this embodiment uses auxiliary fixtures includes:

a beam pipe positioning tool frame main body 1, wherein a beam processing cavity is formed inside the beam pipe positioning tool frame main body 1;

the automatic welding machine connecting discs 102 are arranged at two ends of the beam pipe positioning tool frame main body 1, and the beam pipe positioning tool frame main body 1 is connected with an external automatic welding machine through the automatic welding machine connecting discs 102;

the crossbeam pipe positioning tool frame body 1 is provided with a crossbeam pipe fixing mechanism 103 and a crossbeam end seat multi-angle fixing mechanism 104;

the beam pipe fixing mechanism 103 is fixedly connected below the beam pipe positioning tool frame main body 1 and used for fixing a beam pipe 201 of the beam pipe assembly 2 in a three-point supporting mode;

the beam end seat multi-angle fixing mechanism 104 is fixedly connected to the side wall of the beam processing cavity and used for fixing a beam end seat 202 at the end part of the beam pipe assembly 2 in a three-point supporting mode, and supporting force generated by at least one supporting point of the two oppositely-arranged beam end seat multi-angle fixing mechanisms 104 extends along the axial direction of the beam pipe 201 and provides axial clamping force for the beam pipe assembly 2;

this auxiliary fixtures still includes: the device comprises a motor hanging seat fixing clamp 3, a traction pull rod seat fixing clamp 4, a gear box hanging seat fixing clamp 5 and a motor anti-drop stopping fixing clamp 6;

the motor hanging seat fixing clamp 3 is fixedly connected above the frame of the beam pipe positioning tool frame main body 1 and is used for positioning the motor hanging seat plate 206 on the left side of the radial outer side wall of the beam pipe 201;

the traction pull rod seat fixing clamp 4 is fixedly connected below the frame of the beam pipe positioning tool frame main body 1 and used for positioning the traction pull rod seat plate 203 on the right side of the radial outer side wall of the beam pipe 201;

the gearbox hanging seat fixing clamp 5 is fixedly connected above the frame of the beam pipe positioning tool frame main body 1, is positioned on the same side of the radial outer side wall of the beam pipe 201 as the motor hanging seat fixing clamp 3, and is used for positioning the gearbox hanging seat plate 204 on the left side of the radial outer side wall of the beam pipe 201;

the motor anti-falling stopping fixing clamp 6 is fixedly connected above a frame of the beam pipe positioning tool frame main body 1 and is positioned on the same side of the radial outer side wall of the beam pipe 201 with the traction pull rod seat fixing clamp 4, and the motor anti-falling stopping fixing clamp 6 is used for positioning the traction pull rod seat plate 203 on the right side of the radial outer side wall of the beam pipe 201;

the motor hanging seat fixing clamp 3 and the traction pull rod seat fixing clamp 4 are both close to the same automatic welding machine connecting plate 102;

the gearbox hanging seat fixing clamp 5 and the motor anti-falling stopping fixing clamp 6 are both close to the other automatic welding machine connecting disc 102.

Specifically, this embodiment discloses a be applicable to the framework crossbeam assembly of full hanger form and welding requirement's auxiliary fixtures. The auxiliary tool completes the positioning of different parts on a beam tube assembly in a split distribution and high-density integration mode, and four sets of fixing clamps, namely a motor hanging seat fixing clamp 3, a traction pull rod seat fixing clamp 4 and a gear box hanging seat fixing clamp 5, integrated on the auxiliary tool are respectively designed by taking parts, such as a motor hanging seat plate 206, a gear box hanging seat plate 204, a motor anti-falling stop plate 205, a traction pull rod seat plate 203 and the like, as examples, to be positioned and fixed on a beam tube 201.

The inside crossbeam processing chamber that can hold crossbeam pipe assembly 2 that forms of the frame of crossbeam pipe location frock frame main part 1 of this embodiment, two crossbeam pipe fixed establishment 103 bilateral symmetry link firmly in the both sides of crossbeam pipe location frock frame main part 1. The beam tube fixing mechanism 103 axially positions the beam tube 201 in a three-point support. Two sets of beam end seat multi-angle fixing mechanisms 104 are fixedly connected to two ends of an inner frame of the beam pipe positioning tool frame main body 1 in a mirror image mode, and each beam end seat multi-angle fixing mechanism 104 is clamped, limited and fixed with two corresponding beam end seats 202 on the beam pipe assembly 2 in a three-point supporting mode. In consideration of avoiding the situation of axial displacement, the multi-angle beam end seat fixing mechanism 104 can also apply a restraining force along the axial direction of the beam tube 201 during reinforcement so as to ensure that the whole beam tube assembly 2 is fixed.

Preferably, in this embodiment, the beam pipe positioning tool frame body 1 is a frame structure extending along the length direction of the beam pipe assembly 2, and two sides of the frame structure are fixedly connected with the structural beams 101;

two ends of the beam pipe positioning tool frame body 1 along the length direction are fixedly connected with automatic welding machine connecting discs 102;

the automatic welding machine connecting disc 102 is a basic connecting piece for connecting the auxiliary tool disclosed in this embodiment with the displacement disc of the automatic welding machine for the external assembly, and after being connected with the displacement disc of the automatic welding machine, the automatic welding machine connecting disc can drive the whole device and the beam tube assembly 2 fixed inside the device to rotate or position in any given inclination angle posture, so that a welding probe of the mechanical arm can accurately weld a welding seam on the beam tube assembly 2 under the programming control of the control system.

The beam tube fixing mechanism 103 includes a beam tube embedding seat 10301, and the beam tube embedding seat 10301 is recessed inward to form a beam tube embedding groove 10302;

the beam tube insertion groove 10302 has a first inclined surface 10303, a second inclined surface 10304, and a horizontal surface 10305 between the first inclined surface 10303 and the second inclined surface 10304; the three parts form an inverted trapezoidal positioning shaft seat structure together;

a beam tube first abutting bolt 10308 is mounted on the first inclined surface 10303, a beam tube second abutting bolt 10309 is mounted on the second inclined surface 10304, and a pressing arm 10306 is arranged at a position of the beam tube embedding seat 10301 close to the beam tube embedding groove 10302;

the pressing arm 10306 is fixedly connected with the upper end face of the beam tube embedding seat 10301 through a connecting rod support, and the pressing arm 10306 has a pressing end 10307 extending toward the beam tube embedding groove 10302 direction;

when the beam tube 201 is placed in the beam tube embedding groove 10302, the beam tube first abutting bolt 10308, the beam tube second abutting bolt 10309 and the pressing end 10307 are respectively abutted with three points of the circumference of the beam tube 201 to form a three-point supporting and fixing structure;

the multi-angle fixing mechanism 104 for the cross beam end seat comprises a first connecting seat abutting bolt 10401 and a second connecting seat abutting bolt 10402 which are respectively fixed on the two structural beams 101, wherein the first connecting seat abutting bolt 10401 and the second connecting seat abutting bolt 10402 are respectively in vertical contact with two opposite side walls on the cross beam end seat 202, and apply radial fastening pressure to the corresponding side walls of the cross beam end seat 202;

wherein, above-mentioned crossbeam end seat multi-angle fixed establishment 104 still includes:

a third abutting bolt 10403 of the connecting seat assembled on the connecting disc 102 of the automatic welding machine;

a third abutting bolt 10403 of the connecting seat extends along the axial direction of the cross beam pipe 201 and is fixedly connected to the end face of the connecting plate 102 of the automatic welding machine;

the beam end base 202 forms a three-point limiting fixing structure through the first abutting bolt 10401 of the connecting base, the second abutting bolt 10402 of the connecting base and the third abutting bolt 10403 of the connecting base.

The structure of the beam tube positioning tool frame main body 1 is specifically introduced in the embodiment, and the design principle is that a plurality of key positioning points on the beam tube assembly 2 are selected based on the overall structure of the beam tube assembly 2, so that the beam tube assembly 2 is firmly fixed in the beam tube positioning tool frame main body 1.

The specific positioning and fixing mode is as follows:

the beam pipe fixing mechanism 103 is provided with a beam pipe embedding groove 10302 matched with the beam pipe 201, and three-point positioning and fixing are carried out by using two beam pipe abutting bolts and a pressing end 10307 of a pressing arm 10306, so that the beam pipe 201 is ensured not to generate radial displacement; and crossbeam end seat multi-angle fixed establishment 104 design has the three connecting seat butt bolt with crossbeam end seat 202 butt, and wherein, the first butt bolt 10401 of connecting seat and the relative point of circumference that connecting seat second butt bolt 10402 contacted crossbeam end seat 202 to ensure that radial displacement can not appear in crossbeam end seat 202, and connecting seat third butt bolt 10403 then along the axial extension of crossbeam pipe 201 and with crossbeam end seat 202 butt, in order to ensure that axial displacement can not appear in crossbeam pipe 201 assembly.

Preferably, the motor hanging seat fixing clamp 3 in this embodiment includes a motor hanging seat assembling seat 301, a connecting lug plate vertical pressing plate 302, a motor hanging seat plate connecting plate 303, a connecting plate rotating shaft 304, a vertical pressing plate 305, a nut handle 306, a vertical pressing plate supporting screw rod mechanism 307, a double-headed fastening screw rod 308, a beam and upright rod fixing rod 309, a horizontal cross shaft seat 30110 and a pressing guide bolt 30111;

the U-shaped sliding groove on the motor hanging seat assembling seat 301 is fixedly assembled with the structural beam 101 through a bolt;

two connecting lug plate vertical pressing plates 302 are symmetrically arranged on the motor hanging seat assembling seat 301;

the connecting lug plate vertical pressing plate 302 is connected with the tail end of a motor hanging seat plate connecting plate 303 through a connecting plate rotating shaft 304, and the motor hanging seat plate connecting plate 303 extends to the outside of the motor hanging seat assembling seat 301 to form a straight cantilever; the opposite end faces of the cantilever ends of the two motor hanger seat plate connecting plates 303 are fixedly connected with each other through rib plates, and the distance value of the outer end faces of the two motor hanger seat plate connecting plates 303 is the same as the drawing theoretical distance value of the two motor hanger seat plates 206 on the motor hanger seat;

two connecting plate through holes respectively corresponding to the small positioning screw hole 20302 and the large horizontal through hole 20301 are formed in the end part of the connecting plate 303 of the motor hanging seat plate;

the beam upright rod fixing rod 309 penetrates through a corresponding connecting plate through hole from the outer side and then is in threaded connection with a small positioning screw hole 20302 on the motor hanger base plate 206, and a double-head fastening screw 308 with a gasket penetrates through another corresponding connecting plate through hole and a horizontal large through hole 20301 at the end part of the motor hanger base plate connecting plate 303 in sequence and then is fastened with the motor hanger base plate connecting plate 303 through a nut connecting piece;

the upper end of the middle section of the motor hanging seat plate connecting plate 303 is provided with a vertical rectangular open slot 30301, the center of the vertical pressing plate 305 is provided with a U-shaped notch 30501, two ends of the vertical pressing plate 305 are respectively embedded into the rectangular open slot 30301 on the corresponding motor hanging seat plate connecting plate 303, the center of the motor hanging seat assembling seat 301 is fixedly connected with a horizontal cross shaft seat 30110, and a horizontal rotating shaft 3011001 on the horizontal cross shaft seat 30110 is parallel to the extending direction of the structural beam 101; the lower end of the pressing guide bolt 30111 is vertically and fixedly connected with the horizontal rotating shaft 3011001; the upper end of the pressing guide bolt 30111 passes through the U-shaped notch 30501 and is in threaded connection with the threaded through hole on the nut handle 306;

the two vertical pressing plate supporting screw rod mechanisms 307 are respectively arranged on two sides of the horizontal shaft seat 30110; the lower end of the vertical pressing plate support screw rod mechanism 307 is abutted with the motor hanger clamp seat plate 301, and the upper end of the vertical pressing plate support screw rod mechanism is abutted with the lower end face of the vertical pressing plate 305;

by screwing the nut handle 306 downwards along the pressing guide bolt 30111, the pressing force of the vertical pressing plate 305 on the two motor hanger seat plate connecting plates 303 can be adjusted conveniently, the nut handle 306 is matched with the two vertical pressing plate supporting screw rod mechanisms 307 for use, the height and the inclination angle of the two motor hanger seat plate connecting plates 303 can be finely adjusted, and therefore the posture of the motor hanger seat plate 206 can be finely adjusted on the premise that the two motor hanger seat plates 206 are kept parallel.

The structure and the working principle of the motor hanger fixing clamp 3 are specifically described in this embodiment, the double-headed fastening screw 308 with the gasket and the motor hanger plate small screw hole fixing nut 309 are jointly used as main assembling components to fixedly connect the motor hanger plate 206 with two motor hanger plate connecting plates 303 on the motor hanger fixing clamp 3 into a whole, and the motor hanger plate connecting plates 303 can be rotated in a fine tuning mode by the axis of the connecting plate rotating shaft 304 under the matching control of the nut handle 306 and two vertical pressing plate supporting screw mechanisms 307, so that the angle of the motor hanger plate 206 at the position can be adjusted, and in actual operation, the adjusted motor hanger plate 206 is completely matched with the beam tube 201 and then is correspondingly welded and fixed.

Preferably, the towing bar seat fixing clamp 4 in the embodiment includes a towing bar seat fixing clamp assembling seat 401 fixed on the lower surface of the structural beam 101 by bolt assembling;

the lower end face of the traction pull rod seat fixing clamp assembling seat 401 is fixedly connected with two traction pull rod seat fixing clamp rotating shaft seats 402;

the side wall of the rotating shaft seat 402 of the traction pull rod seat fixing clamp extends to the outer side of the assembly seat 401 of the traction pull rod seat fixing clamp and forms a cantilever, and the axial positioning rod fixing seat 406 of the traction pull rod seat is fixedly connected with the cantilever ends of the rotating shaft seats 402 of the two traction pull rod seats respectively; two guide rod threaded holes 40601 are symmetrically arranged on the vertical end surface of the traction pull rod seat axial positioning rod fixing seat 406;

the traction pull rod seat fixing clamp overturning body 404 is in a J shape, the top end part of the vertical section of the J shape is hinged with the traction pull rod seat fixing clamp rotating shaft seat 402 through a rotating shaft, and the J-shaped bent end parts of the two traction pull rod seat fixing clamp overturning bodies 404 are fixedly connected through a connecting rod; the outer side wall of the J-shaped bent end part on the traction pull rod seat fixing clamp overturning body 404 is provided with a hook transverse screw hole 40401; the two spacing adjusting screws 408 are respectively in threaded connection with a hook transverse screw hole 40401 on the corresponding traction pull rod seat fixing clamp overturning body 404; the lower part of the towing pull rod seat fixing clamp overturning body 404 is provided with an operating handle 405.

When the J-shaped vertical section on the turning body 404 of the traction pull rod seat fixing clamp is turned to a horizontal posture around the rotating shaft seat 402 of the traction pull rod seat fixing clamp, the J-shaped vertical section is just limited by the fixing seat 406 of the axial positioning rod of the traction pull rod seat; the distance value of the guide rod threaded holes 40601 is the same as the drawing theoretical distance value of the two traction pull rod base plates 203 on the traction pull rod base;

the adjusting range of the distance value L1 between the outer end faces of the two distance adjusting screws 407 is 90-120% of the standard distance value L2 between the two guide rod threaded holes 40601;

when the device is used specifically, the polish rod sections on the two axial positioning rods 403 of the drag link seat pass through the vertical shaft seat 20301 on the main body structure of the drag link seat plate 203, the thread sections at the lower ends of the axial positioning rods 403 of the drag link seat are respectively in threaded connection with a corresponding threaded hole 40601 of the guide rod, and two spacing adjusting screws 407 are respectively abutted against the opposite end faces of the half-moon-shaped hoop structure on the corresponding drag link seat plate 203, so as to finely adjust the rotation angle of the two drag link seat plates 203 around the axial positioning rod 403 of the drag link seat, and after the two drag link seat plates 203 are parallel to each other, the vertical shaft seat 20301 is axially compressed by the end of each axial positioning rod 403 of the drag link seat, so that the two drag link seat plates 203 are respectively assembled and fixed with the upper end.

Preferably, in this embodiment, the motor anti-separation stopping fixing clamp 6 includes an industrial quick clamp K, a motor anti-separation stopping fixing clamp base plate 601, an L-shaped cantilever 602, a motor anti-separation stopping fixing clamp vertical seat plate 603 and at least three lateral positioning bolts E, the bottom of the motor anti-separation stopping fixing clamp base 601 is fixedly assembled with the structural beam 101 through bolts, and the lower end of the motor anti-separation stopping fixing clamp vertical seat plate 603 is vertically and fixedly connected with the motor anti-separation stopping fixing clamp base plate 601; the L-shaped cantilever 602 is horizontally and fixedly connected to the middle upper part of the motor anti-falling stopping fixing clamp vertical seat plate 603, the two parts surround together to form a C-shaped embedded groove G, and the C-shaped opening of the embedded groove G faces outwards; two lateral positioning bolts E are sequentially and vertically fixedly connected to the side wall of the motor anti-falling stopping fixing clamp vertical base plate 603 along the plumb direction, the other lateral positioning bolt E is fixedly connected to the end part of the L-shaped cantilever 602, and the axis of the lateral positioning bolt E positioned at the end part of the L-shaped cantilever 602 is parallel to the side wall of the motor anti-falling stopping fixing clamp vertical base plate 603 and the upper end surface of the motor anti-falling stopping fixing clamp base plate 601; the industrial quick clamp K is vertically and fixedly connected with the side wall of the middle section of the vertical base plate 603 of the motor anti-falling stopping fixing clamp, a pressing end on the industrial quick clamp K is positioned outside the opening end of the embedded groove G, and the vertical height of the pressing end is positioned between two lateral positioning bolts E on the side wall of the vertical base plate 603 of the motor anti-falling stopping fixing clamp;

when the motor anti-falling stopping fixing clamp 6 is particularly applied, the middle upper section of the anti-falling stopping plate quadrangular prism 20501 is vertically embedded into the embedded groove G, the anti-falling stopping plate quadrangular prism 20501 is clamped and fixed from the left side and the right side of the anti-falling stopping plate quadrangular prism 20501 by using a pressing end on an industrial quick clamp K and two lateral positioning bolts E which are positioned on the side wall of the motor anti-falling stopping fixing clamp vertical seat plate 603, and the other lateral positioning bolt E positioned at the end part of the L-shaped cantilever 602 is used for finely adjusting and positioning the posture and the position of the anti-falling stopping plate quadrangular prism 20501 from the front end surface of the anti-falling stopping plate;

the gear box hanging seat fixing clamp 5 comprises two gear box hanging seat plate fixing clamps 7 which are completely the same as the motor anti-falling stopping fixing clamp 6, and the gear box hanging seat plate fixing clamps 7 are fixedly connected to the same gear box hanging seat fixing clamp base 501 in parallel;

preferably, one industrial quick clamp K located in the middle of the two sets of gearbox hanging seat plate fixing clamps 7 can be replaced by a vertical wall plate fixedly connected to the base 501 of the gearbox hanging seat fixing clamp and a horizontal lateral positioning bolt E in threaded connection with the vertical wall plate;

when the gearbox hanging seat fixing clamp is used, two sets of gearbox hanging seat plate fixing clamps 7 on the gearbox hanging seat fixing clamp 5 respectively fix one corresponding gearbox hanging seat plate 204 in parallel in the same posture, and the distance value between the two gearbox hanging seat plates 204 is made to accord with the drawing theoretical value.

According to the auxiliary tool for welding the bogie beam pipe assembly, the two beam pipe fixing mechanisms 103 are bilaterally and symmetrically fixedly connected to the two sides of the middle section of the frame body 1 of the beam pipe positioning tool, and the inverted trapezoidal positioning shaft seat structure and the pressing arm 10306 on the beam pipe fixing mechanisms 103 are matched for use, so that the two end parts of the beam pipe 201 can be axially fixed in a three-point supporting mode. The two beam pipe fixing mechanisms 103 and the beam pipe positioning tool frame body 1 jointly form a round segment structure which is used for accommodating the beam pipe assembly 2 and is open at the upper end.

Two sets of crossbeam end seat multi-angle fixed establishment 104 link firmly in the both ends of crossbeam pipe location frock frame main part 1 inside casing for the mirror image ground each other, two strong point symmetries in every crossbeam end seat multi-angle fixed establishment 104 link firmly respectively on two structure roof beams 101 of crossbeam pipe location frock frame main part 1, its two are used for carrying out the normal direction with the vertically gesture to two lateral wall terminal surfaces that are parallel to each other on crossbeam end seat 202 and press from both sides tightly, another strong point in every crossbeam end seat multi-angle fixed establishment 104 is fixed on the medial surface of an automatic welding machine connection pad 102 that corresponds, it is used for carrying out position fine setting and spacing fixed to it along the axial direction of crossbeam pipe 201.

The motor hanging seat fixing clamp 3 can use the double-head fastening screw 308 with the gasket and the motor hanging seat plate small screw hole fixing nut 309 as main assembling components to fixedly connect the motor hanging seat plate 206 and two motor hanging seat plate connecting plates 303 on the motor hanging seat fixing clamp 3 into a whole, and the distance value of the outer end surfaces of the two motor hanging seat plate connecting plates 303 is the same as the drawing theoretical distance value of the two motor hanging seat plates 206. The motor hanger seat plate connecting plate 303 can be rotated by fine adjustment of the axis of the connecting plate rotating shaft 304 under the matching control of the nut handle 306 and the two vertical pressing plate supporting screw mechanisms 307, so that the angle of the motor hanger seat plate 206 at the position can be adjusted, the motor hanger seat clamp seat plate 301 is fixedly connected with a structural beam 101 in an adjustable mode, the distance value of the two motor hanger seat plates 206 positioned by the motor hanger seat fixing clamp 3 at the same time and the relative position and the inclination angle posture of the two motor hanger seat plates and the beam tube 201 all accord with the drawing theoretical value, the two motor hanger seat plates are butted to the given position on the outer diameter of the beam tube 201 in the drawing given posture, and the requirement of welding group pairing is further met.

In the tie-rod seat fixing clamp 4 of the present invention, the threaded sections of the lower ends of the two tie-rod seat axial positioning rods 403 may be respectively in threaded connection with a corresponding guide rod threaded hole 40701, and the optical rod section on the tie-rod seat axial positioning rod 403 is used to coaxially pass through a corresponding vertical shaft seat 20301 on the main body structure of the tie-rod seat plate 203. The two spacing adjustment screws 408 are abutted against the opposite end faces of the half moon-shaped hoop structure on the corresponding traction pull rod seat plate 203, so as to finely adjust the rotation angle and the spacing value of the two traction pull rod seat plates 203 around the traction pull rod seat axial positioning rod 403, when the spacing value of the two traction pull rod seat plates 203 is the same as the drawing theoretical spacing value of the two traction pull rod seat plates 203 on the traction pull rod seat, the end of each traction pull rod seat axial positioning rod 403 compresses the vertical shaft seat 20301 axially, so that the two traction pull rod seat plates 203 are respectively assembled and fixed with the upper end face of the traction pull rod seat axial positioning rod fixing seat 407. The draw rod seat fixing clamp 4 is fixedly connected with the lower end face of one structural beam 101 in an adjustable mode through the draw rod seat fixing clamp assembling seat 401, so that the relative positions and postures of the two draw rod seat plates 203 fixed by the draw rod seat fixing clamp 4 all accord with the drawing theoretical value, the two draw rod seat plates are butted to the given positions on the outer diameter of the beam pipe 201 in the postures given by the drawing, and the welding assembly requirements are further met.

The L-shaped cantilever 602 on the motor anti-falling stopping fixing clamp 6 is horizontally and fixedly connected to the middle upper part of the vertical seat plate 603 of the motor anti-falling stopping fixing clamp, the two parts jointly surround to form an embedded groove G in a letter C shape, a horizontally arranged industrial quick clamp K is matched with the embedded groove G for use, the middle section of the anti-falling stopping plate quadrangular prism 20501 can be clamped and positioned, the base plate 601 of the motor anti-falling stopping fixing clamp is fixedly connected with a structural beam 101 in an adjustable mode, and therefore the motor anti-falling stopping plate 205 clamped by the motor anti-falling stopping fixing clamp 6 can be butted to a given position on the outer diameter of a beam tube 201 in a given posture.

The gearbox hanging seat fixing clamp 5 is formed by fixedly connecting the positioning mechanisms of two sets of motor anti-falling stopping fixing clamps 6 on the same gearbox hanging seat fixing clamp base in parallel, when the gearbox hanging seat fixing clamp is used, the two sets of motor anti-falling stopping fixing clamps 6 on the gearbox hanging seat fixing clamp 5 respectively fix a corresponding gearbox hanging seat plate 204 in the same posture in parallel, and the distance value between the two gearbox hanging seat plates 204 is in accordance with the drawing theoretical value.

The auxiliary tool for welding the bogie beam pipe assembly can accurately and reliably clamp and position the beam pipe assembly 2 through the beam pipe positioning tool frame main body 1, and can drive the beam pipe assembly 2 fixed inside to rotate or position at any given inclination angle after being fixedly connected with an automatic welding machine deflection disc, so that a welding probe of a mechanical arm can accurately weld a welding seam on the beam pipe assembly 2 under the programming control of a control system. The layout of the four motor hanging seat fixing clamp 3, the traction pull rod seat fixing clamp 4, the gear box hanging seat fixing clamp 5 and the motor anti-falling stopping fixing clamp 6 is compact, the structure is exquisite, the integration level is high, the occupied space is small, the four motor hanging seat plates 206, the two gear box hanging seat plates 204, the motor anti-falling stopping plates 205 and the two traction pull rod seat plates 203 can be completed in a split layout mode, seven requirements on all relative position relations and precision during assembly and positioning on the beam pipe 201 are met, the occupied space and the clamp number required when the same requirement is met by a conventional positioning clamp can be greatly reduced, therefore, the auxiliary tool can reserve a sufficiently wide operating space for a welding manipulator, the welding process does not need to be stopped and adjusted, and all welding operations can be completed at one time. After the welding, this auxiliary fixtures can continue to keep two motor hanger plates 206, two gear box hanger plates 204, seven total relative position and gesture on crossbeam pipe 201 of motor anticreep backstop board 205 and two traction pull rod bedplate 203, thereby reduce welding pyrocondensation cooling deformation to crossbeam pipe assembly 2's influence by a wide margin, guarantee positioning accuracy, release distortion stress, stop the distortion of crossbeam pipe 201, ensure that its mechanical structure intensity accords with the design requirement, and avoid heavy follow-up remedial work completely, thereby practice thrift a large amount of manpower and materials resources, reduce manufacturing cost, show and accelerate the production beat, improve production efficiency and economic benefits.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (7)

1. Bogie beam pipe assembly auxiliary fixtures is used in welding which characterized in that includes:

the beam pipe positioning tool frame body (1) is internally provided with a beam processing cavity;

two ends of the beam pipe positioning tool frame main body (1) are provided with automatic welding machine connecting discs (102), and the beam pipe positioning tool frame main body (1) is connected with an external automatic welding machine through the automatic welding machine connecting discs (102);

a crossbeam pipe fixing mechanism (103) and a crossbeam end seat multi-angle fixing mechanism (104) are arranged on the crossbeam pipe positioning tool frame main body (1);

the beam pipe fixing mechanism (103) is fixedly connected below the beam pipe positioning tool frame main body (1) and is used for fixing a beam pipe (201) of the beam pipe assembly (2) in a three-point supporting mode;

the beam end seat multi-angle fixing mechanism (104) is fixedly connected to the side wall of the beam processing cavity and used for fixing a beam end seat (202) at the end part of a beam pipe assembly (2) in a three-point supporting mode, and supporting force generated by at least one supporting point of the two oppositely-arranged beam end seat multi-angle fixing mechanisms (104) extends along the axial direction of the beam pipe (201) and provides axial clamping force for the beam pipe assembly (2);

this auxiliary fixtures still includes:

a motor hanging seat fixing clamp (3), a traction pull rod seat fixing clamp (4), a gear box hanging seat fixing clamp (5) and a motor anti-drop backstop fixing clamp (6);

the motor hanging seat fixing clamp (3) is fixedly connected above a frame of the beam pipe positioning tool frame main body (1) and is used for positioning the motor hanging seat plate (206) on the left side of the radial outer side wall of the beam pipe (201);

the traction pull rod seat fixing clamp (4) is fixedly connected below the frame of the beam pipe positioning tool frame main body (1) and is used for positioning the traction pull rod seat plate (203) on the right side of the radial outer side wall of the beam pipe (201);

the gearbox hanging seat fixing clamp (5) is fixedly connected above the frame of the beam pipe positioning tool frame main body (1), is positioned on the same side of the radial outer side wall of the beam pipe (201) as the motor hanging seat fixing clamp (3), and is used for positioning the gearbox hanging seat plate (204) on the left side of the radial outer side wall of the beam pipe (201);

the motor anti-falling stopping fixing clamp (6) is fixedly connected above a frame of the beam pipe positioning tool frame main body (1) and is positioned on the same side of the radial outer side wall of the beam pipe (201) with the traction pull rod seat fixing clamp (4), and the motor anti-falling stopping fixing clamp (6) is used for positioning the traction pull rod seat plate (203) on the right side of the radial outer side wall of the beam pipe (201);

the motor hanging seat fixing clamp (3) and the traction pull rod seat fixing clamp (4) are close to the same automatic welding machine connecting plate (102);

the gear box lifting seat fixing clamp (5) and the motor anti-falling stopping fixing clamp (6) are close to the automatic welding machine connecting plate (102) on the other side.

2. The auxiliary tool for welding the bogie beam pipe assembly according to claim 1, wherein the beam pipe positioning tool frame body (1) is configured into a frame structure extending along the length direction of the beam pipe assembly (2), and two sides of the frame structure are fixedly connected with structural beams (101);

the two ends of the beam pipe positioning tool frame main body (1) along the length direction are fixedly connected with the automatic welding machine connecting discs (102);

the beam pipe fixing mechanism (103) comprises a beam pipe embedding seat (10301), and the beam pipe embedding seat (10301) is inwards sunken to form a beam pipe embedding groove (10302);

the beam pipe embedding groove (10302) is provided with a first inclined surface (10303), a second inclined surface (10304) and a horizontal surface (10305) positioned between the first inclined surface (10303) and the second inclined surface (10304), and the first inclined surface and the second inclined surface form an inverted trapezoidal positioning shaft seat structure;

a first beam tube abutting bolt (10308) is mounted on the first inclined surface (10303), a second beam tube abutting bolt (10309) is mounted on the second inclined surface (10307), and a pressing arm (10306) is arranged at the position, close to the beam tube embedding groove (10302), of the beam tube embedding seat (10301);

the pressing and holding arm (10306) is arranged on the upper end surface of the beam tube embedding seat (10301), and the pressing and holding arm (10306) is provided with a pressing and holding end (10307) extending towards the direction of the beam tube embedding groove (10302);

when the beam tube (201) is arranged in the beam tube embedded groove (10302), the first beam tube abutting bolt (10308), the second beam tube abutting bolt (10309) and the pressing end (10307) are respectively abutted with three points of the circumference of the beam tube (201) to form a three-point supporting and fixing structure;

the multi-angle fixing mechanism (104) for the cross beam end seat comprises a first connecting seat abutting bolt (10401) and a second connecting seat abutting bolt (10402) which are respectively fixed on the two structural beams (101), wherein the first connecting seat abutting bolt (10401) and the second connecting seat abutting bolt (10402) are respectively in vertical contact with two opposite side walls on the cross beam end seat (202) and exert radial fastening pressure on the corresponding side walls of the cross beam end seat (202);

wherein, crossbeam end seat multi-angle fixed establishment (104) still includes:

a connecting seat third abutting bolt (10403) assembled on the automatic welding machine connecting disc (102);

the third abutting bolt (10403) of the connecting seat extends along the axial direction of the cross beam pipe (201) and is fixedly connected to the end face of the connecting plate (102) of the automatic welding machine;

the beam end seat (202) forms a three-point limiting fixing structure through a first abutting bolt (10401) of the connecting seat, a second abutting bolt (10402) of the connecting seat and a third abutting bolt (10403) of the connecting seat.

3. The auxiliary tool for welding the bogie beam tube assembly according to claim 2, wherein the motor hanger fixing clamp (3) comprises a motor hanger assembling seat (301), a connecting lug plate vertical pressing plate (302), a motor hanger seat plate connecting plate (303), a connecting plate rotating shaft (304), a vertical pressing plate (305), a screw nut handle (306), a vertical pressing plate supporting screw rod mechanism (307), a double-end fastening screw rod (308), a motor hanger seat plate small screw hole fixing nut (309), a horizontal shaft seat (30110) and a pressing guide bolt (30111);

the U-shaped sliding groove in the motor hanging seat assembling seat (301) is fixedly assembled with the structural beam (101) through a bolt;

two connecting lug plate vertical pressing plates (302) are symmetrically arranged on the motor hanging seat assembling seat (301);

the connecting lug plate vertical pressing plate (302) is connected with a tail end shaft of a motor hanging seat plate connecting plate (303) through a connecting plate rotating shaft (304), the motor hanging seat plate connecting plate (303) extends to the outside of a motor hanging seat assembling seat (301) to form a straight cantilever, and opposite end faces of straight cantilever ends of the two motor hanging seat plate connecting plates (303) are fixedly connected with each other through rib plates;

the end part of the motor hanging seat plate connecting plate (303) is provided with two connecting plate through holes respectively corresponding to the positioning small screw hole (20302) and the horizontal large through hole (20301);

the motor hanging seat plate (206) is fixedly assembled with the motor hanging seat plate connecting plate (303) through the motor hanging seat plate small screw hole fixing nut (309) and the double-end fastening screw rod (308);

the upper end of the middle section of the motor hanging seat plate connecting plate (303) is provided with a vertical rectangular open slot (30301), the center of the vertical pressing plate (305) is provided with a U-shaped notch (30501), two ends of the vertical pressing plate (305) are respectively embedded into the corresponding rectangular open slots (30301), the center of the motor hanging seat assembling seat (301) is fixedly connected with the horizontal cross shaft seat (30110), and a horizontal rotating shaft (3011001) on the horizontal cross shaft seat (30110) is parallel to the extending direction of the structural beam (101);

the lower end of the pressing guide bolt (30111) is vertically and fixedly connected with the horizontal rotating shaft (3011001); the upper end of the pressing guide bolt (30111) penetrates through the U-shaped notch (30501) and is in threaded connection with the threaded through hole in the nut handle (306);

the two vertical pressing plate supporting lead screw mechanisms (307) are respectively arranged at two sides of the horizontal shaft seat (30110);

the lower end of the vertical pressing plate supporting lead screw mechanism (307) is abutted against the motor hanger clamp seat plate (301), and the upper end of the vertical pressing plate supporting lead screw mechanism is abutted against the lower end face of the vertical pressing plate (305).

4. The auxiliary tool for welding the bogie beam tube assembly according to claim 2, wherein the traction pull rod seat fixing clamp (4) comprises a traction pull rod seat fixing clamp assembling seat (401) which is assembled and fixed on the lower surface of the structural beam (101) through a bolt;

the lower end face of the traction pull rod seat fixing clamp assembling seat (401) is fixedly connected with two traction pull rod seat fixing clamp rotating shaft seats (402);

the side wall of the traction pull rod seat fixing clamp rotating shaft seat (402) extends to the outer side of the traction pull rod seat fixing clamp assembling seat (401) to form a cantilever, and the end part of the cantilever of the traction pull rod seat fixing clamp rotating shaft seat (402) is fixedly connected with a traction pull rod seat axial positioning rod fixing seat (406);

two guide rod threaded holes (40601) are symmetrically formed in the vertical end face of the traction pull rod seat axial positioning rod fixing seat (406);

this draw pull rod seat mounting fixture (4) still includes:

the turning body (404) of the traction pull rod seat fixing clamp is J-shaped, the top end part of the vertical section of the J shape is hinged with the rotating shaft seat (402) of the traction pull rod seat fixing clamp through a rotating shaft, and the J-shaped bent end parts of the two turning bodies (404) of the traction pull rod seat fixing clamp are fixedly connected through a connecting rod;

the outer side wall of the J-shaped bent end part of the traction pull rod seat fixing clamp overturning body (404) is provided with a hook transverse screw hole (40401), and two distance adjusting screws (407) are respectively in threaded connection with the corresponding hook transverse screw holes (40401);

the lower part of the traction pull rod seat fixing clamp overturning body (404) is provided with an operating handle (405).

5. The auxiliary tool for welding the bogie beam tube assembly according to claim 2, wherein the motor anti-drop stopping fixing clamp (6) comprises an industrial quick clamp (K), a motor anti-drop stopping fixing clamp base plate (601), an L-shaped cantilever (602), a motor anti-drop stopping fixing clamp vertical base plate (603) and at least three lateral positioning bolts (E);

the bottom of the motor anti-falling stopping fixing clamp base (601) is fixedly assembled with the structural beam (101) through bolts, and the lower end of the motor anti-falling stopping fixing clamp vertical seat plate (603) is vertically and fixedly connected with the motor anti-falling stopping fixing clamp base plate (601);

the L-shaped cantilever (602) is horizontally and fixedly connected to the middle upper part of the motor anti-falling stopping fixing clamp vertical seat plate (603) to form an embedded groove (G);

the two lateral positioning bolts (E) are sequentially and vertically fixedly connected to the side wall of the vertical base plate (603) of the motor anti-falling stopping fixing clamp along the plumb direction, the other lateral positioning bolt (E) is fixedly connected to the end part of the L-shaped cantilever (602), and the axis of the lateral positioning bolt (E) positioned at the end part of the L-shaped cantilever (602) is parallel to the side wall of the vertical base plate (603) of the motor anti-falling stopping fixing clamp and the upper end face of the base plate (601) of the motor anti-falling stopping fixing clamp;

the industrial quick clamp (K) is vertically and fixedly connected with the side wall of the middle section of the vertical base plate (603) of the motor anti-falling stopping fixing clamp, the pressing end on the industrial quick clamp (K) is positioned outside the opening end of the embedded groove (G), and the vertical height of the pressing end is positioned between two lateral positioning bolts (E) on the side wall of the vertical base plate (603) of the motor anti-falling stopping fixing clamp.

6. The auxiliary tool for welding the bogie beam tube assembly according to claim 5, wherein the gearbox hanging seat fixing clamp (5) comprises two groups of gearbox hanging seat plate fixing clamps (7) which have the same structure as the motor anti-dropping stop fixing clamp (6), and the two groups of gearbox hanging seat plate fixing clamps (7) are fixedly connected into a whole through a gearbox hanging seat fixing clamp base (501).

7. The auxiliary tool for welding the bogie beam tube assembly according to claim 6, wherein a vertical wall plate fixedly connected to the base (501) of the gearbox saddle fixing clamp and a lateral positioning bolt (E) in threaded connection with the vertical wall plate are arranged between the two groups of gearbox saddle fixing clamps (7).

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