CN205184113U - Electric locomotive bogie frame welding fixture - Google Patents

Abstract

An electric locomotive bogie frame welding fixture, including a support frame, the support frame includes two side beams, two beams between the side beams, end beams at both ends of the side beams, and connecting seats on the end beams; the two beams 1. The side beams located between the beams and the connection between the two beams form the middle positioning area; the end beams and beams on the same side of the side beams and the side beams between the end beams and the beams form the end positioning area; The middle positioning area includes a locator arranged on the connecting beam, a first mounting seat provided on the side beam and a pushing mechanism provided on the first mounting seat; the end positioning area includes three The second mounting seat, the pressing mechanism located on the second mounting seat and the locator located on the second mounting seat; the side beam is provided with a locator at the joint of the side beam and the cross beam. The utility model enables fast and accurate positioning of the plate through the cooperation of the locator, the pushing mechanism, the pressing mechanism, the end positioning mechanism and the end thrust mechanism. <u />

Description

An electric locomotive bogie frame welding fixture

technical field

The utility model relates to a welding tool, in particular to a welding tool fixture for a bogie frame frame of an electric locomotive.

Background technique

The bogie frame of an electric locomotive is welded by multiple metal plates. The welding position and welding quality of each part directly affect the quality of the bogie frame. Regarding the safety of the locomotive operation, the bogie frame requires special attention when welding. carefully. The premise of the welding quality of the bogie frame is whether the relative position of the plate and the plate meets the design requirements before welding. However, the existing technology lacks positioning tooling specially used for bogie frames, which leads to inaccurate relative positions between plates and affects welding quality; moreover, it takes a long time to adjust and fix the position between plates, which greatly reduces the working efficiency. Low.

Contents of the invention

The technical problem to be solved by the utility model is to provide a welding fixture for the bogie frame of an electric locomotive, which can rapidly and accurately position the plates of the bogie frame.

In order to solve the above-mentioned technical problems, the technical solution of the present utility model is: a welding fixture for the bogie frame of an electric locomotive, including a support frame, and the support frame includes two side beams arranged in parallel, which are arranged between the two side beams and The cross beams arranged in parallel, the end beams respectively arranged at both ends of the side beams and the connecting seat arranged in the middle of the end beams to connect with the rotating equipment, two connecting beams arranged in parallel are arranged between the two cross beams; The above beams, the side beams arranged between the beams and the connection between the two beams form the middle positioning area; the end beams and beams on the same side of the side beams and the side beams between the end beams and the beams The end positioning area; the middle positioning area includes a locator arranged on the connecting beam, a first mounting seat provided on the side beam and a pushing mechanism provided on the first mounting seat; the end The local positioning area includes three second mounts on the side beams, a pressing mechanism on the second mounts and a locator on the second mounts; A locator is provided at the joint between the side beam and the cross beam. The utility model is specially aimed at the welding tooling of the eight-axis bogie frame. The eight-axis bogie frame shown includes an intermediate frame located in the middle and B0 frames located on both sides of the intermediate frame. The intermediate positioning area of the utility model is specially aimed at the positioning of the intermediate frame. , the end positioning area is specially for the positioning of the B0 frame; since the frame is a box structure, including the bottom seal plate, side seal plate and top seal plate; the bottom seal plate and the inner side seal plate can be positioned and fixed by using the locator, The pushing mechanism can be used to position and fix the outer side sealing plate, and the pressing mechanism can be used to position and fix the top sealing plate; so that the plates can be spliced and formed before welding, and finally the plates can be welded and connected through the welding process. The utility model can be connected with a rotating device, and the welding process can be rotated 360 degrees, and the welding has no dead angle.

As an improvement, an end positioning mechanism is provided at both ends of one end beam, and an end thrust mechanism is provided at both ends of the other end beam.

As an improvement, the end positioning mechanism includes an end bottom plate, an end positioning plate and an end thrust plate, the end bottom plate is fixed on the end beam, the end thrust plate is vertically fixed on the end bottom plate, and the end The upper positioning plate is fixed on the end thrust plate, and the end thrust plate is perpendicular to the end bottom plate; the end thrust mechanism includes a support plate, a hinged vertical plate fixed on the support plate, a pressure-pull handle, a lever 1. A guide bushing fixed on the support plate, a telescopic rod and a flat pressing plate, one end of the pressure-pull handle is hinged with the hinged vertical plate, the other end is hinged with one end of the lever, the other end of the lever is hinged with one end of the telescopic rod, and the other end of the telescopic rod is worn After passing through the guide bushing, it is connected with the flush pressing plate.

As an improvement, the positioner includes a positioning body, a first sleeve, a second sleeve, a first bolt and a second bolt; a first cavity is provided on one side of the positioning body, and a cavity is provided on the other side. A second cavity perpendicular to and communicated with the first cavity, the first sleeve is set in the first cavity, the second sleeve is set in the second cavity; the first The sleeve is provided with a first threaded hole, and the second sleeve is provided with a second threaded hole, the first bolt is threaded with the first threaded hole, the second bolt is connected with the second threaded hole, and the first set A positioning groove is provided on the surface of the cylinder, and one end of the second bolt extends into the positioning groove through the second threaded hole.

As an improvement, the first sleeve is in sliding fit with the first cavity, and the second sleeve is in interference fit with the second cavity; the head of the first sleeve is provided with a first flange, and the first The diameter of the flange is greater than that of the first cavity; the head of the second sleeve is provided with a second flange, and the diameter of the second flange is greater than that of the second cavity.

As an improvement, the pressing mechanism includes a clamp body, a first hinge seat, a first screw shaft sleeve, a first screw, a pressing block and a first handle; the clamp body is C-shaped, and it includes a first connecting plate, a second Two connection plates and the third connection plate, one end of the first connection plate is connected to one end of the second connection plate and are perpendicular to each other, the other end of the second connection plate is connected to one end of the third connection plate and are perpendicular to each other, and the other end of the first connection plate is connected to each other and are perpendicular to each other. One end is hinged with the first hinge seat, and the other end of the third connecting plate is fixedly connected with the first screw sleeve; the first screw sleeve is provided with a threaded hole, and the central axis of the threaded hole is parallel to the second connecting plate. One end of the first screw rod passes through the first screw shaft sleeve and is connected to the pressure block, and the other end of the first screw rod is connected to the first handle.

As an improvement, the first hinge seat includes a first mounting plate and a first vertical plate arranged symmetrically on the first mounting plate, the first vertical plate is provided with a first hinge hole, and the first connection The end of the plate is provided with a second hinge hole, the end of the first connecting plate is arranged between two first vertical plates, and the first hinge shaft passes through the first hinge hole and the second hinge hole.

As an improvement, the pushing mechanism includes a curved rod, a second screw rod, a second screw shaft sleeve, a pressure block and a second hinged seat; one end of the curved rod is hinged to the second hinged seat, and the other end is connected to the second screw shaft sleeve connection, the second screw shaft sleeve is provided with a threaded hole, one end of the second screw rod passes through the second screw shaft sleeve and is connected to the pressure block, and the other end of the second screw rod is connected to the second handle; The second hinge base includes a second mounting plate and a second vertical plate arranged symmetrically on the second mounting plate. The second vertical plate is provided with a strip-shaped third hinge hole, a curved rod The end of the curved rod is provided with a fourth hinge hole, and the end of the curved rod is arranged between two second vertical plates, and a second hinge shaft is provided to pass through the third hinge hole and the fourth hinge hole; A limit slot is provided on the vertical plate, and a limit rod is provided at the end of the curved rod, and the limit rod cooperates with the limit slot.

As an improvement, the limiting groove is composed of a rear stop and a front stop, and the opening of the limiting groove faces upward; the surface of the limiting groove formed by the rear stop is S-shaped.

As an improvement, the briquetting block includes an extruding part and a connecting part, the extruding part is connected to the screw through the connecting part, the bottom surface of the extruding part is a plane, and a groove is provided on the bottom surface; Cylindrical cavity, the top inner wall of the cylindrical cavity extends inwardly with a convex ring, the lower end of the screw rod is provided with a connecting head, the connecting head is arranged in the cylindrical cavity, and the diameter of the cylindrical cavity is larger than The diameter of the connector, the inner diameter of the convex ring is smaller than the diameter of the connector.

The beneficial effects brought by the utility model compared with the prior art are:

In the utility model, through the cooperation of the locator, the pushing mechanism, the pressing mechanism, the end positioning mechanism and the end thrust mechanism, the plate can be positioned quickly and accurately, and the plates of the whole bogie frame are spliced and formed, and finally the welding process is carried out. , to ensure the continuity and consistency of the welding process and improve the welding quality.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Figure 2 is a schematic diagram of the structure of the locator.

Figure 3 is an exploded view of the locator.

Fig. 4 is a structural schematic diagram of the pressing mechanism.

Fig. 5 is a structural schematic diagram of the pushing mechanism.

Figure 6 is a sectional view of the compact.

Fig. 7 is a schematic structural diagram of the end positioning mechanism.

Fig. 8 is a schematic structural diagram of the end thrust mechanism.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Fig. 1 , a welding fixture for the bogie frame of an electric locomotive includes a support frame 1, the support frame 1 includes two side beams 11 arranged in parallel, and a cross beam arranged in parallel between the two side beams 11 12. The end beams 14 provided at both ends of the side beams 11 and the connection seat 15 provided in the middle of the end beams 14 to connect with the rotating equipment, and two parallel connecting beams 13 are arranged between the two cross beams 12 . The two cross beams 12, the side beams 11 arranged between the cross beams 12 and the connection between the two cross beams 12 form an intermediate positioning area; The locator 2 , the first mounting seat 17 provided on the side beam 11 and the pushing mechanism 4 located on the first mounting seat 17 . The end beam 14 and the cross beam 12 on the same side of the side beam 11 and the side beam 11 between the end beam 14 and the cross beam 12 form an end positioning area; The second mounting base 16 , the pressing mechanism 3 disposed on the second mounting base 16 and the positioner 2 disposed on the second mounting base. The side beam 11 is provided with a locator 2 at the junction of the side beam 11 and the cross beam 12, and the locator 2 cooperates with the propulsion mechanism to form internal and external clamping. One end beam 14 is provided with an end positioning mechanism 5 at both ends, and the other end beam 14 is provided with an end thrust mechanism 6 at both ends. The utility model is specially aimed at the welding tooling of the eight-axis bogie frame. The eight-axis bogie frame shown includes an intermediate frame located in the middle and B0 frames located on both sides of the intermediate frame. The intermediate positioning area of the utility model is specially aimed at the positioning of the intermediate frame. , the end positioning area is specifically for the positioning of the B0 frame; since the frame is a box structure, including the bottom seal, side seal and top seal; the positioner 2 can be used to position and fix the bottom seal and the inner side seal , use the pushing mechanism 4 to position and fix the outer side sealing plate, and use the pressing mechanism 3 to position and fix the top sealing plate; so that the plates can be spliced and formed before welding, and finally the plates can be welded through the welding process connect.

As shown in FIGS. 2 and 3 , the positioner 2 includes a positioning body 21 , a first sleeve 22 , a second sleeve 24 , a first bolt 23 and a second bolt 25 . A first cavity 211 is provided on one side of the positioning body 21, and a second cavity 212 perpendicular to and communicated with the first cavity 211 is provided on the other side, and the first cavity 211 is a cylinder shaped through hole, the second cavity 212 is a cylindrical blind hole; the first sleeve 22 is set in the first cavity 211, and the second sleeve 24 is set in the second cavity 212 , the first sleeve 22 is a sliding fit with the first cavity 211, and the second sleeve 24 is an interference fit with the second cavity 212; the head of the first sleeve 22 is provided with a first flange 222, the diameter of the first flange 222 is greater than the diameter of the first cavity 211, preventing the first sleeve 22 from completely sinking into the first cavity 211; the head of the second sleeve 24 is provided with a second flange 242 , the diameter of the second flange 242 is larger than the diameter of the second cavity 212 , preventing the second sleeve 24 from fully sinking into the second cavity 212 . The first sleeve 22 is provided with a first threaded hole 221, the second sleeve 24 is provided with a second threaded hole 241, the first threaded hole 221 and the second threaded hole 241 are through holes, the first The bolt 23 is threadedly connected with the first threaded hole 221 , and the second bolt 25 is connected with the second threaded hole 241 . The surface of the first sleeve 22 is provided with a positioning groove 223, the positioning groove 223 is an elongated groove, and one end of the second bolt 25 extends into the positioning groove through the second threaded hole 241 Inside. The working principle of the locator: splice the plates, then use the locator 22 to fix the plates, and adjust the extension length of the second bolt 25 so that the first sleeve 22 and the first bolt 3 can be together in the first cavity 211 Slide to roughly adjust the contact position between the head of the first bolt 23 and the plate; then tighten the second bolt 25 so that the second bolt 25 extends into the positioning groove and presses the first sleeve 22 tightly. At this time, the first sleeve 22 It cannot slide freely in the first cavity 211; since the first sleeve 22 is fixed, the first bolt 23 can rotate relative to the first sleeve 22, so that it can expand and contract relative to the first sleeve 22, adjust the first bolt 23 until The board can be pressed and fixed. Cooperate with other welding tools to splice and shape the plates of the entire bogie frame.

As shown in FIG. 4 , the pressing mechanism 3 includes a clamp body 31 , a first hinge seat 36 , a first screw shaft sleeve 34 , a first screw rod 32 , a pressing block 35 and a first handle 33 . The clamp body 31 is C-shaped and includes a first connecting plate 311, a second connecting plate 312 and a third connecting plate 313. One end of the first connecting plate 311 is connected to one end of the second connecting plate 312 and are perpendicular to each other. The other end of the plate 312 is connected to one end of the third connecting plate 313 and is perpendicular to each other, the other end of the first connecting plate 311 is hinged to the first hinge seat 36, and the other end of the third connecting plate 313 is fixed to the first screw shaft sleeve 34 Connection; the first connecting plate 311 and the second connecting plate 312 are connected with a reinforcing plate 314 ; the second connecting plate 312 and the third connecting plate 313 are connected with a reinforcing plate 314 . The first hinge seat 36 includes a first mounting plate 361 and a first vertical plate 362 arranged symmetrically on the first mounting plate 361, the first vertical plate 362 is provided with a first hinge hole, and the first vertical plate 362 is provided with a first hinge hole. The end of a connecting plate 311 is provided with a second hinge hole, and the end of the first connecting plate 311 is arranged between two first vertical plates 362, and the first hinge shaft 363 passes through the first hinge hole and the second hinge hole. The first connecting plate 311 and the first hinge seat 36 are hinged by the two hinge holes; the clip body 31 can be turned around the first hinge seat 36, and when the clip body 31 is turned over to the working state, the first screw rod 32 is positioned at the position of the first hinge seat 36. Directly above, the welded product is located between the first screw rod 32 and the first hinged seat 36, so that the first screw rod 32 and the first hinged seat 36 form a clamping mechanism to clamp and fix the product. The first screw bushing 34 is provided with a threaded hole, the central axis of the threaded hole is parallel to the second connecting plate 312, and one end of the first screw 32 passes through the first screw bushing 34 and connects with the briquetting block 7 connect. The other end of the first screw rod 32 is connected with the first handle 33 , and the first screw rod 32 can be manually rotated through the first handle 33 . Working principle of the pressing mechanism: the utility model is used for positioning and pressing the top sealing plate located at the top of the side beam of the bogie frame, turning over the clamp body 31, so that the first screw 32 can be located above the top sealing plate, because the first connecting plate 311 , the second connecting plate 312 and the third connecting plate 313 are perpendicular to each other, after the clamp body 31 is turned over in place, the first screw rod 32 can be substantially perpendicular to the top sealing plate; the first handle 33 is pulled to rotate the first screw rod 32, because The first screw rod 32 is threadedly connected with the threaded hole of the first screw rod sleeve 34, and the rotary motion of the first screw rod 32 is transformed into the up-and-down movement of the first screw rod 32 relative to the first screw rod sleeve 34; slowly adjust the first screw rod 32 to go down Movement finally enables the briquetting block 7 to be extruded on the top seal plate, and its force acting on the top seal plate should be moderate, and cooperate with other welding fixtures to jointly form the entire bogie frame.

As shown in FIG. 5 , the pushing mechanism 4 includes a curved rod 41 , a second screw rod 43 , a second handle 42 , a second screw shaft sleeve 46 , a pressing block 7 and a second hinge seat 44 . The curved rod 41 is V-shaped and is formed by connecting two connecting rods 411, 412. One end of the curved rod 41 is hinged to the second hinge seat 44, and the other end is connected to the second screw shaft sleeve 46. The curved rod 41 can be Flip around the second hinged seat 44, and adjust the angle between the two connecting rods 411, 412 to make the curved rod 41 flip in place, and the second screw rod 43 is basically horizontal. The second screw shaft sleeve 46 is provided with a threaded hole, and one end of the second screw rod 43 passes through the second screw shaft sleeve 46 and is connected with the briquetting block 7, and the other end of the second screw rod 43 is connected with the second handle 42 connections. The second hinged seat 44 includes a second mounting plate 441 and a second vertical plate 442 arranged symmetrically on the second mounting plate 441, and the second vertical plate 442 is provided with a strip-shaped third Hinged hole 444, the end of curved bar 41 is provided with the 4th hinged hole, and the end of curved bar 41 is located between two second vertical plates 442, is provided with hinge shaft 443 and passes through described 3rd hinged hole 444 and The fourth hinge hole enables the curved rod to be hinged with the second hinge seat 44; the second vertical plate 442 is provided with a limit groove 446, and the end of the curved rod 41 is provided with a limit rod 413, and the limit rod 413 protrudes on both sides of the curved rod to cooperate with the stopper groove 446 described on both sides. The stopper groove 446 is composed of a rear stopper 445 and a front stopper. The opening of the stopper groove 446 is upward, and the stopper rod After 413 falls into the limit groove 446 and cooperates, the movement of the curved rod 41 is restricted, and the curved rod 41 is lifted up so that the limit rod 413 leaves the limit groove 446, and the curved rod 41 can be unlocked so that it can be turned over again. The surface of the limiting groove 446 formed by the backstop 445 is S-shaped, and the protrusion located on the upper half of the backstop 445 prevents the limiting rod 413 from accidentally breaking away from the limiting groove 446 . Working principle of the pushing mechanism: the utility model is used for positioning and pressing the side sealing plate located on the side beam of the bogie frame, flipping the curved rod 41 so that the second screw 43 can be located on the side of the side sealing plate, and adjusting the position of the curved rod 41 The bending angle can make the second screw rod 43 substantially perpendicular to the side sealing plate after the curved rod 41 is overturned. At this time, the curved rod 41 is fixed by the cooperation of the limit rod 413 and the limit groove 446; pull the handle so that the second screw rod 43 Rotate, because the second screw rod 43 is threadedly connected with the threaded hole of the second screw shaft sleeve 46, the rotational motion of the screw rod 3 is transformed into the horizontal movement of the second screw rod 43 relative to the second screw shaft sleeve 46; slowly adjust the second screw rod 43 toward The direction movement of the side seal plate finally enables the pressure block 7 to be squeezed on the side seal plate, and the force acting on the side seal plate should be moderate, and cooperate with other welding fixtures to jointly form the entire bogie frame.

As shown in Figure 6, the briquetting block 7 includes an extruding portion 71 and a connecting portion 72, the extruding portion 71 is connected with the screws 32, 43 through the connecting portion 72, the bottom surface of the extruding portion 71 is a plane, and the bottom surface A groove 711 is provided; the connecting portion 72 is provided with a cylindrical cavity 721, and the top inner wall of the cylindrical cavity 721 extends inwardly with a convex ring 722, and the lower end of the screw rod is provided with a connecting head 8. The connecting head 8 is disposed in the cylindrical cavity 721 , the diameter of the cylindrical cavity 721 is larger than the diameter of the connecting head 8 , and the inner diameter of the protruding ring 722 is smaller than the diameter of the connecting head 8 . The connecting head 8 has a certain movable space in the cylindrical cavity 721, so that the screw drives the briquetting block to have a certain buffer when pressing the plate tightly, so as to ensure that the bottom surface of the briquetting block is vertically pressed on the surface of the plate.

As shown in Figure 7, the end positioning mechanism 5 includes an end bottom plate 51, an end positioning plate 52 and an end thrust plate 53, the end bottom plate 51 is fixed on the end beam 14, and the end thrust plate 53 is vertically fixed on the end bottom plate 51, the end positioning plate 52 is fixed on the end thrust plate 53, and the end thrust plate 53 is perpendicular to the end bottom plate 51. As shown in Figure 8, the end thrust mechanism 6 includes a support plate 61, a hinged vertical plate 62 fixed on the support plate 61, a pressing and pulling handle 63, a lever 64, and a guide bush 65 fixed on the support plate 61 , telescopic rod 66 and flat pressing plate 67, one end of the pressure-pull handle 63 is hinged with the hinged vertical plate 62, the other end is hinged with one end of the lever 64, the other end of the lever 64 is hinged with one end of the telescopic rod 66, and the other end of the telescopic rod 66 passes through the After the guide bushing 65 is connected with the flat pressing plate 67. The end positioning mechanism and the end thrust mechanism are respectively located at the two ends of the bogie frame to position and fix the two ends of the frame.

Claims (10)

1. a bogie of electric locomotive framework welding tool setup, is characterized in that: comprise bracing frame,

Support frame as described above comprises two curb girders be arranged in parallel, to be located between two curb girders and the crossbeam be arranged in parallel, be located at curb girder two ends respectively end carriage be located at the Connection Block be connected with slewing in the middle of described end carriage, be provided with two tie-beams be arranged in parallel between two described crossbeams; Crossbeam described in two, be located at the curb girder between described crossbeam and the connection between two crossbeams two forms interfix district; End carriage in curb girder the same side and crossbeam and the composition of the curb girder between end carriage and crossbeam end positioning area; The push-tight mechanism that described interfix district comprises the locator be arranged on described tie-beam, is located at the first mount pad on curb girder and is located on described first mount pad; Described end positioning area comprises three locators be located at the second mount pad on described curb girder, be located at the hold-down mechanism on described second mount pad and be located on the second mount pad; Described curb girder is provided with locator in the junction of curb girder and crossbeam.

2. a kind of bogie of electric locomotive framework welding tool setup according to claim 1, it is characterized in that: wherein the two ends of an end carriage are provided with end detent mechanism, the two ends of another end carriage are provided with end thrust mechanism.

3. a kind of bogie of electric locomotive framework welding tool setup according to claim 2, it is characterized in that: described end detent mechanism comprises end bottom plate, end location-plate and end thrust plate, described end bottom plate is fixed on end carriage, end thrust plate is vertically fixed in end bottom plate, end location-plate is fixed on the thrust plate of end, and end thrust plate is vertical with end bottom plate; Described end thrust mechanism comprises gripper shoe, fixing hinged riser, pressure handle, lever, fixing guideway, expansion link and concordant pressing plate on the supporting plate on the supporting plate, described pressure handle one end and hinged riser hinged, the other end and lever one end hinged, the lever other end and expansion link one end hinged, the expansion link other end is through being connected with concordant pressing plate after described guideway.

4. a kind of bogie of electric locomotive framework welding tool setup according to claim 1, is characterized in that: described locator comprises positioning body, the first sleeve, the second sleeve, the first bolt and the second bolt; One side of described positioning body is provided with the first cavity, and another side is provided with and second cavity that be communicated with vertical with described first cavity, and described first sleeve is located in described first cavity, and described second sleeve is located in described second cavity; Described first sleeve is provided with the first screwed hole, second sleeve is provided with the second screwed hole, described first bolt is threaded with the first screwed hole, second bolt is connected with the second screwed hole, described first sleeve surface is provided with locating slot, and one end of described second bolt extend in described locating slot through described second screwed hole.

5. a kind of bogie of electric locomotive framework welding tool setup according to claim 4, is characterized in that: described first sleeve and the first cavity are for being slidably matched, and the second sleeve and the second cavity are interference fit; The head of described first sleeve is provided with the first flange, and the diameter of the first flange is greater than the diameter of the first cavity; The head of described second sleeve is provided with the second flange, and the diameter of the second flange is greater than the diameter of the second cavity.

6. a kind of bogie of electric locomotive framework welding tool setup according to claim 1, is characterized in that: described hold-down mechanism comprises clamp body, the first hinged seat, the first screw rod axle sleeve, the first screw rod, briquetting and first handle; Described clamp body is c-shaped, it comprises the first connecting plate, the second connecting plate and the 3rd connecting plate, first connecting plate one end is connected with second connecting plate one end and mutually vertical, the other end of the second connecting plate is connected with one end of the 3rd connecting plate and mutually vertical, the other end and first hinged seat of the first connecting plate are hinged, and the other end of the 3rd connecting plate is fixedly connected with the first screw rod axle sleeve; Be provided with screwed hole in described first screw rod axle sleeve, the central shaft of screwed hole is parallel with the second connecting plate, and one end of described first screw rod is connected with briquetting through after described first screw rod axle sleeve, and the other end of the first screw rod is connected with first handle.

7. a kind of bogie of electric locomotive framework welding tool setup according to claim 6, it is characterized in that: described first hinged seat comprises the first installing plate and to be located on described first installing plate and symmetrically arranged first riser, described first riser is provided with the first hinge hole, the end of the first connecting plate is provided with the second hinge hole, the end of the first connecting plate is located between two piece of first riser, by the first jointed shaft through described first hinge hole and the second hinge hole.

8. a kind of bogie of electric locomotive framework welding tool setup according to claim 1, is characterized in that: described push-tight mechanism comprises curved bar, the second screw rod, the second screw rod axle sleeve, briquetting and the second hinged seat; One end and second hinged seat of described curved bar are hinged, the other end is connected with the second screw rod axle sleeve, be provided with screwed hole in described second screw rod axle sleeve, one end of described second screw rod is connected with briquetting through after described second screw rod axle sleeve, and the other end of the second screw rod is connected with second handle; Described second hinged seat comprises the second installing plate and to be located on described second installing plate and symmetrically arranged second riser, described second riser is provided with the 3rd hinge hole of strip, the end of curved bar is provided with the 4th hinge hole, the end of curved bar is located between two piece of second riser, is provided with the second jointed shaft through described 3rd hinge hole and the 4th hinge hole; Described second riser is provided with stopper slot, and the end of described curved bar is provided with gag lever post, and described gag lever post coordinates with described stopper slot.

9. a kind of bogie of electric locomotive framework welding tool setup according to claim 8, is characterized in that: described stopper slot is made up of rear stopper and front block unit, stopper slot opening up; The surface of described rear stopper composition stopper slot is S-shaped.

10. a kind of bogie of electric locomotive framework welding tool setup according to claim 6 or 8, it is characterized in that: described briquetting comprises press section and connecting portion, press section is connected with screw rod by connecting portion, and the bottom surface of described press section is plane, and bottom surface is provided with groove; Described connecting portion is provided with circular cylindrical cavity, the top inner wall of circular cylindrical cavity extends internally and is provided with bulge loop, the lower end of described screw rod is provided with connector, described connector is located in described circular cylindrical cavity, the diameter of circular cylindrical cavity is greater than the diameter of connector, and the internal diameter of bulge loop is less than the diameter of connector.