CN113814618A

CN113814618A - Tool for assembling and welding underframe of locomotive cab

Info

Publication number: CN113814618A
Application number: CN202111220625.5A
Authority: CN
Inventors: 苌晓兵; 袁志刚; 苌悦贝
Original assignee: Changzhou Vocational Institute of Mechatronic Technology
Current assignee: Changzhou Vocational Institute of Mechatronic Technology
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2021-12-21
Anticipated expiration: 2041-10-20
Also published as: CN113814618B

Abstract

The invention discloses a tool for assembling and welding a bottom frame of a locomotive driver's cab, which belongs to the technical field of mechanical welding process equipment. The locomotive cab chassis assembly and welding tooling includes a base platform, and above the base platform are provided with a flip positioning fixture, a flip positioning seat, a pressing quick fixture, a jacking quick fixture, a hook tightening fixture, a contour seat set, a wedge Block clamping seat and positioning seat, the positioning seat is movably connected with the flip positioning fixture; the rotation positioning fixture, the flip positioning seat, the pressing quick fixture, the jacking quick fixture, the hook tightening fixture, the contour seat group, the wedge block clamp The number of the tightening seat and the positioning seat is at least one. The invention can accurately locate in multiple directions, fast clamp and fix, avoid interference phenomenon, and after welding is completed, each clamp can be quickly released, and the work efficiency is greatly improved; and the control is precise, the operation is convenient, fully meets the production requirements, and greatly improves the Stability and efficiency in locomotive cab manufacturing.

Description

Tool for assembling and welding underframe of locomotive cab

Technical Field

The invention relates to a tool for assembling and welding a chassis of a locomotive cab, and belongs to the technical field of mechanical welding process equipment.

Background

The conventional locomotive cab underframe has a complex structure, comprises welding components in various shapes, and is welded into an integral structure by components such as thick plates, bending pieces, channel steel, cutting pieces and the like, and the welding difficulty of the locomotive cab underframe is large due to the fact that the welding positions of the welding components are highly different and the positioning surfaces are not uniform.

The existing welding of the underframe of the locomotive cab mainly depends on manual measurement, lineation and positioning, has large positioning error, needs to frequently detach, replace, position and compress a welding tool assembly in the welding process, and has very low welding efficiency. Due to the fact that the positioning error is large, the welded underframe is large in overall deformation, assembly of a subsequent cab is seriously affected, and then stability and high efficiency of manufacturing of the locomotive cab are restricted.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the tool for assembling and welding the underframe of the locomotive cab, the tool can be accurately positioned in multiple directions, is quickly clamped and fixed, avoids the interference phenomenon, can quickly release each clamp after welding is finished, and greatly improves the working efficiency; the control is accurate, the operation is convenient, the production requirement is completely met, the difficult problem of difficult welding of the underframe of the locomotive cab is fundamentally solved, and the stability and the high efficiency of the locomotive cab are greatly improved.

The tool for assembling and welding the locomotive cab underframe comprises a basic platform, wherein an overturning positioning fixture, an overturning positioning seat, a pressing rapid fixture, a jacking rapid fixture, a hooking fixture, an equal-height seat group, a wedge clamping seat and a positioning seat are arranged above the basic platform, and the positioning seat is movably connected with the overturning positioning fixture; the number of the rotary positioning fixture, the turnover positioning seat, the pressing rapid fixture, the jacking rapid fixture, the hooking fixture, the equal-height seat group, the wedge block clamping seat and the positioning seat is at least one.

In one embodiment of the invention, the overturning positioning fixture comprises a first positioning base, a vertical plate, a connecting arm and a positioning rod; the first positioning base is fixed on the foundation platform, two vertical plates are arranged on the first positioning base, a connecting arm is movably connected between the two vertical plates and can rotate around the two vertical plates, and a positioning rod is sleeved at the end of the connecting arm.

In one embodiment of the invention, the positioning seat comprises a fixing sleeve, a circular ring and a connecting sleeve, the fixing sleeve is fixed on the base platform, the connecting sleeve is connected above the fixing sleeve, the circular ring is arranged between the connecting sleeve and the fixing sleeve, the connecting sleeve is in threaded connection with the fixing sleeve, and the positioning rod is movably connected with the connecting sleeve.

In one embodiment of the invention, the turnover positioning seat comprises a second positioning base, a fixed block, a connecting rod, a first connecting shaft, an elastic retainer ring, a movable block, a first nut and a first bolt, wherein the second positioning base is fixed on a base platform, the fixed block is fixed above the second positioning base, the fixed block is movably connected with the movable block through the connecting rod and the first connecting shaft, and the elastic retainer ring is arranged between the connecting rod and the first connecting shaft; one side of the movable block, which deviates from the fixed block, is provided with a first nut and a first bolt, and the end face of the first bolt is abutted against the side face of the underframe of the locomotive cab.

In one embodiment of the invention, the compaction rapid clamp comprises a compaction base, a connecting seat, a first handle, a first connecting piece, a fixed arm and a screw rod, wherein the compaction base is fixed on a basic platform, the connecting seat is fixed above the compaction base, the connecting seat is movably connected with the first connecting piece and the fixed arm, the first connecting piece and the fixed arm are connected through the first handle, the screw rod is arranged in the fixed arm, and one end of the screw rod is abutted to the upper plane of the underframe of the locomotive cab.

In an embodiment of the invention, the quick jacking fixture comprises a jacking base, a first fixed seat, a second connecting piece, a second handle and a jacking cylinder, wherein the jacking base is fixed on a base platform, the first fixed seat is fixed above the jacking base, the second handle and the jacking cylinder are movably connected above the first fixed seat, the second handle is connected with the jacking cylinder through the second connecting piece, the jacking cylinder is stretched by rotating the second handle, and the end surface of the jacking cylinder is abutted against the side surface of the underframe of a cab of a locomotive.

In an embodiment of the present invention, the hooking jig includes a hooking base, a second fixing base, a third handle, a second connecting shaft, a third connecting shaft, a locking arm, and a second bolt, the hooking base is fixed on the base platform, the second fixing base is fixed above the hooking base, the second fixing base is movably connected to the third handle through the third connecting shaft, and the third handle is movably connected to the locking arm through the second connecting shaft.

In one embodiment of the invention, the locking arm is fixedly connected with a second bolt, the head of the second bolt is positioned at the inner side of the locking arm, and the angle of the locking arm is adjusted by rotating the third handle, so that the second bolt at the inner side of the locking arm is abutted against the underframe of the locomotive cab.

In an embodiment of the present invention, the equal-height seat set includes a first baffle and a second baffle, the first baffle and the second baffle are fixed on the base platform, and the first baffle and the second baffle are fixedly connected.

In one embodiment of the invention, the wedge clamping seat comprises a wedge and a wedge base, the wedge base is fixed on the foundation platform, and the wedge base are in sliding connection.

Advantageous effects

1. The tool for assembling and welding the underframe of the locomotive cab has the advantages of accurate control and convenient operation, and completely meets the production requirements; the reliability and the high efficiency of the assembly welding of the locomotive cab underframe are greatly improved, the manufacturing cost is low, and the overhaul is convenient.

2. The base platform has universality, and the base platform is provided with corresponding positioning and clamping piece mounting positions for various machine type chassis, so that the positioning and clamping of the various machine type chassis can be realized.

3. The turnover positioning seat is arranged in the horizontal direction, a side wall positioning mode is adopted, the turnover positioning seat is designed in a turnover structure, the part is in a lifting position when the underframe of the locomotive cab is hoisted, the avoidance position and the positioning work position are quickly and efficiently converted through the turnover angle, and the turnover positioning seat is different from a traditional straight line avoidance mode, so that the equipment structure is more compact.

4. The overturning positioning fixture disclosed by the invention adopts an overturning structure design, so that the equipment space is effectively saved, and when the underframe of the locomotive cab is placed, the overturning positioning fixture is fast and efficient and ensures that no interference occurs.

5. The quick jacking clamp and the hooking clamp quickly realize the accurate positioning of the longitudinal and transverse side surfaces of the underframe of the locomotive cab and ensure the positioning accuracy.

6. The wedge clamping seat is ingeniously designed, and the wedge is matched with a slotted hole of the underframe of the locomotive cab to carry out pre-positioning, so that the positioning error is reduced, and the positioning efficiency is improved.

7. The invention designs the equal-height seat group, improves the rigidity of the locomotive cab chassis in the height direction and the lateral direction, controls the deformation of the locomotive cab chassis, and improves the welding and mounting precision.

8. The invention adopts a rapid turnover structure design in many places, and the fastening is convenient and rapid to realize and release.

Drawings

FIG. 1 is a perspective view of a tooling for assembling and welding a locomotive cab underframe and a locomotive cab underframe according to the invention;

FIG. 2 is a perspective view of the tooling for assembling and welding the underframe of the locomotive cab;

FIG. 3 is a perspective view of the inverted positioning fixture of the present invention;

FIG. 4 is a perspective view of the flip positioning base of the present invention;

FIG. 5 is a perspective view of the hold down quick clamp of the present invention;

FIG. 6 is a perspective view of the present invention;

FIG. 7 is a perspective view of the present clinch clip;

FIG. 8 is a perspective view of an iso-header assembly of the present invention;

FIG. 9 is a perspective view of the wedge clamp block of the present invention;

FIG. 10 is a perspective view of the positioning socket of the present invention;

in the figure: 1. a base platform; 2. turning over the positioning fixture; 3. turning over the positioning seat; 4. compressing the rapid clamp; 5. tightly propping the rapid clamp; 6. hooking the clamp; 7. an equal-height seat group; 8. a wedge clamping seat; 9. positioning seats; 21. a first positioning base; 22. a vertical plate; 23. a connecting arm; 24. positioning a rod; 31. a second positioning base; 32. a fixed block; 33. a connecting rod; 34. a first connecting shaft; 35. a circlip; 36. a movable block; 37. a first nut; 38. a first bolt; 41. pressing the base; 42. a connecting seat; 43. a first handle; 44. a first connecting member; 45. a fixed arm; 46. a screw; 51. tightly propping the base; 52. a first fixed seat; 53. a second connecting member; 54. a second handle; 55. tightly pushing the cylinder; 61. hooking the base tightly; 62. a second fixed seat; 63. a third handle; 64. a second connecting shaft; 65. a third connecting shaft; 66. a locking arm; 67. a second bolt; 71. a first baffle plate; 72. a second baffle; 81. a wedge block; 82. a wedge block base; 91. fixing the sleeve; 92. a circular ring; 93. a connecting sleeve; 101. locomotive cab underframe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

A tool for assembling and welding a chassis of a locomotive cab is shown in figure 1 or 2 and comprises a basic platform 1, wherein an overturning positioning clamp 2, an overturning positioning seat 3, a pressing rapid clamp 4, a jacking rapid clamp 5, a hooking clamp 6, an equal-height seat group 7, a wedge clamping seat 8 and a positioning seat 9 are arranged above the basic platform 1, and the positioning seat 9 is movably connected with the overturning positioning clamp 2; the number of the rotary positioning fixture 2, the turnover positioning seat 3, the pressing fast fixture 4, the jacking fast fixture 5, the hooking fixture 6, the equal-height seat group 7, the wedge block clamping seat 8 and the positioning seat 9 is at least one.

As shown in fig. 2 or 3, the turning positioning fixture 2 includes a first positioning base 21, a vertical plate 22, a connecting arm 23 and a positioning rod 24; first locating base 21 is fixed on basic platform 1, is equipped with two risers 22 on the first locating base 21, swing joint has linking arm 23 between two risers 22, linking arm 23 can rotate around two risers 22, and the end cover of linking arm 23 has locating lever 24.

As shown in fig. 2 or 10, the positioning seat 9 includes a fixing sleeve 91, a ring 92 and a connecting sleeve 93, the fixing sleeve 91 is fixed on the base platform 1, the connecting sleeve 93 is connected above the fixing sleeve 91, the ring 92 is disposed between the connecting sleeve 93 and the fixing sleeve 91, the connecting sleeve 93 is connected to the fixing sleeve 91 by a screw, and the height of the positioning seat 9 is adjusted by rotating the connecting sleeve 93. The positioning rod 24 is movably connected with the connecting sleeve 93, and when the overturning positioning clamp 2 is in a locking state, the connecting arm 23 is rotated to enable the positioning rod 24 to be sleeved in the connecting sleeve 93 to clamp the locomotive cab underframe 101; when the overturning positioning clamp 2 is in a lifting state, the connecting arm 23 is rotated to pull the positioning rod 24 out of the connecting sleeve 93, and the positioning rod 24 is movably connected with the connecting sleeve 93 to clamp or open the locomotive cab underframe 101.

As shown in fig. 2 or 4, the turnover positioning seat 3 includes a second positioning base 31, a fixed block 32, a connecting rod 33, a first connecting shaft 34, an elastic retainer ring 35, a movable block 36, a first nut 37 and a first bolt 38, the second positioning base 31 is fixed on the base platform 1, the fixed block 32 is fixed above the second positioning base 31, the fixed block 32 is movably connected with the movable block 36 through the connecting rod 33 and the first connecting shaft 34, and the elastic retainer ring 35 is further disposed between the connecting rod 33 and the first connecting shaft 34; one side of the movable block 36, which is far away from the fixed block 32, is provided with a first nut 37 and a first bolt 38, and the end surface of the first bolt 38 is abutted against the side surface of the locomotive cab underframe 101. The movable block 36 can rotate a certain angle around the fixed block 32, and when the movable block 36 is lifted, the locomotive cab underframe 101 to be welded is placed; when the movable block 36 is turned to the horizontal positioning position, namely the movable block 36 is abutted against the second positioning base 31, the locomotive cab underframe 101 is subjected to horizontal reference positioning by adjusting the first nut 37 and the first bolt 38.

As shown in fig. 2 or 5, the pressing rapid clamp 4 includes a pressing base 41, a connecting base 42, a first handle 43, a first connecting member 44, a fixing arm 45 and a screw 46, the pressing base 41 is fixed on the base platform 1, the height of the pressing base 41 can be adjusted at different positions of the base platform 1 according to the pressing rapid clamp 4, the connecting base 42 is fixed above the pressing base 41, the connecting base 42 is movably connected with the first connecting member 44 and the fixing arm 45, the first connecting member 44 and the fixing arm 45 are connected through the first handle 43, the screw 46 is arranged in the fixing arm 45, one end of the screw 46 is used for abutting against the upper plane of the locomotive cab underframe 101, the screw 46 and the fixing arm 45 are connected through a nut (the nut is not shown), the inclination angle of the fixing arm 45 is adjusted by rotating the first handle 43, and the screw 46 is further abutted against the upper plane of the locomotive cab underframe 101, thereby completing the clamping of the locomotive cab underframe 101.

As shown in fig. 2 or 6, the quick jacking clamp 5 includes a jacking base 51, a first fixing seat 52, a second connecting member 53, a second handle 54 and a jacking cylinder 55, the jacking base 51 is fixed on the base platform 1, the first fixing seat 52 is fixed above the jacking base 51, the second handle 54 and the jacking cylinder 55 are movably connected above the first fixing seat 52, the second handle 54 is connected with the jacking cylinder 55 through the second connecting member 53, the jacking cylinder 55 is extended and retracted by rotating the second handle 54, the end surface of the jacking cylinder 55 is abutted against the side surface of the locomotive cab underframe 101, and the quick jacking clamp 5 is used for quickly and accurately positioning the side surface of the locomotive cab underframe 101 to ensure the positioning accuracy.

As shown in fig. 2 or 7, the hooking jig 6 includes a hooking base 61, a second fixing base 62, a third handle 63, a second connecting shaft 64, a third connecting shaft 65, a locking arm 66 and a second bolt 67, the hooking base 61 is fixed on the base platform 1, the second fixing base 62 is fixed above the hooking base 61, the second fixing base 62 is movably connected with the third handle 63 through the third connecting shaft 65, the third handle 63 is movably connected with the locking arm 66 through the second connecting shaft 64, the locking arm 66 is fixedly connected with the second bolt 67, and the head of the second bolt 67 is located on the inner side of the locking arm 66. The angle of the locking arm 66 is adjusted by rotating the third handle 63, so that the locking arm 66 locks the locomotive cab underframe 101, and the locking arm is abutted against the locomotive cab underframe 101 through the second bolt 67, so that the inner wall of the locomotive cab underframe 101 is hooked tightly by the hooking clamp 6, and the lateral positioning surface of the side wall of the locomotive cab underframe 101 is accurately attached to the positioning surface of the turnover positioning seat 3.

As shown in fig. 2 or 8, the seat group 7 includes a first baffle 71 and a second baffle 72, the shape and size of the first baffle 71 and the second baffle 72 can be adjusted according to the disposition of the seat group 7 on the base platform 1, the first baffle 71 and the second baffle 72 are fixed on the base platform 1, the first baffle 71 and the second baffle 72 are fixedly connected, the locomotive cab underframe 101 is limited by the first baffle 71 and the second baffle 72, the rigidity of the locomotive cab underframe 101 in the height direction and the lateral direction is further improved, the deformation of the locomotive cab underframe 10 is controlled, and the welding and installation accuracy is improved.

As shown in fig. 2 or 9, the wedge clamping seat 8 includes a wedge 81 and a wedge base 82, the wedge base 82 is fixed on the base platform 1, the wedge 81 and the wedge base 82 are connected in a sliding manner, the locomotive cab underframe 101 is placed on the base platform 1, and pre-positioning is performed through the wedge 81, so that positioning errors are reduced, and positioning efficiency is improved.

The working process of the invention is as follows:

s1, enabling the overturning positioning clamp 2, the overturning positioning seat 3, the pressing rapid clamp 4, the jacking rapid clamp 5 and the hooking clamp 6 to be in lifting positions, and avoiding interference on positioning of the locomotive cab underframe 101;

s2, hoisting the locomotive cab underframe 101 and placing the locomotive cab underframe on the foundation platform 1; the wedge clamping seat 8 is matched with a slotted hole of the locomotive cab underframe 101, and pre-positioning is realized through a wedge 81;

s3, overturning the overturning positioning seat 3 to a horizontal positioning position to play a role of horizontal positioning reference;

s4, the quick jacking clamp 4 jacks the side wall of the locomotive cab underframe 101 tightly, so that the longitudinal positioning surface of the side wall of the locomotive cab underframe 101 is accurately attached to the positioning surface of the turnover positioning seat 3;

s5, the inner wall of the locomotive cab underframe 101 is hooked tightly by the hooking clamp 6, so that the lateral positioning surface of the side wall of the locomotive cab underframe 101 is accurately attached to the positioning surface of the turnover positioning seat 3;

s6, turning over the positioning clamp 2 and pressing the rapid clamp 4 to complete the clamping of the locomotive cab underframe 101;

s7, the equal-height seat group 7 plays an auxiliary role, and the height and the lateral support of the locomotive cab underframe 101 are realized.

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

Claims

1. The utility model provides a frock is used in equipment welding of locomotive cab chassis which characterized in that: the device comprises a base platform (1), wherein a turnover positioning fixture (2), a turnover positioning seat (3), a pressing rapid fixture (4), a jacking rapid fixture (5), a hooking fixture (6), an equal-height seat group (7), a wedge clamping seat (8) and a positioning seat (9) are arranged above the base platform (1), and the positioning seat (9) is movably connected with the turnover positioning fixture (2); the rotary positioning fixture 2, the turnover positioning seat (3), the pressing fast fixture (4), the jacking fast fixture (5), the hooking fixture (6), the equal-height seat groups (7), the wedge block clamping seats (8) and the positioning seats (9) are all at least one in number.

2. The tool for assembling and welding the underframe of the locomotive cab according to claim 1, wherein: the overturning positioning clamp (2) comprises a first positioning base (21), a vertical plate (22), a connecting arm (23) and a positioning rod (24); first locating base (21) are fixed on basic platform (1), are equipped with two riser (22) on first locating base (21), swing joint has linking arm (23) between two riser (22), linking arm (23) can rotate around two riser (22), and the end cover of linking arm (23) has locating lever (24).

3. The tool for assembling and welding the underframe of the locomotive cab according to claim 2, wherein: positioning seat (9) are including fixed sleeve (91), ring (92) and connecting sleeve (93), fixed sleeve (91) are fixed on basic platform (1), and the top of fixed sleeve (91) is connected with connecting sleeve (93), be equipped with ring (92) between connecting sleeve (93) and fixed sleeve (91), connecting sleeve (93) are threaded connection with the connected mode of fixed sleeve (91), locating lever (24) and connecting sleeve (93) swing joint.

4. The tool for assembling and welding the underframe of the locomotive cab according to claim 1, wherein: the overturning positioning seat (3) comprises a second positioning base (31), a fixed block (32), a connecting rod (33), a first connecting shaft (34), an elastic retainer ring (35), a movable block (36), a first nut (37) and a first bolt (38), the second positioning base (31) is fixed on the base platform (1), the fixed block (32) is fixed above the second positioning base (31), the fixed block (32) is movably connected with the movable block (36) through the connecting rod (33) and the first connecting shaft (34), and the elastic retainer ring (35) is further arranged between the connecting rod (33) and the first connecting shaft (34); one side of the movable block (36) departing from the fixed block (32) is provided with a first nut (37) and a first bolt (38), and the end face of the first bolt (38) is abutted to the side face of the locomotive cab underframe (101).

5. The tool for assembling and welding the underframe of the locomotive cab according to claim 1, wherein: compress tightly rapid jig (4) including compressing tightly base (41), connecting seat (42), the first in command (43), first connecting piece (44), fixed arm (45) and screw rod (46), compress tightly base (41) and fix on basic platform (1), the top of compressing tightly base (41) is fixed with connecting seat (42), connecting seat (42) swing joint has first connecting piece (44) and fixed arm (45), first connecting piece (44) and fixed arm (45) are connected through the first in command (43), be equipped with screw rod (46) in fixed arm (45), the one end of screw rod (46) is inconsistent with the last plane of locomotive cab chassis (101).

6. The tool for assembling and welding the underframe of the locomotive cab according to claim 1, wherein: the jacking quick clamp (5) comprises a jacking base (51), a first fixing seat (52), a second connecting piece (53), a second handle (54) and a jacking cylinder (55), wherein the jacking base (51) is fixed on a base platform (1), the first fixing seat (52) is fixed above the jacking base (51), the second handle (54) and the jacking cylinder (55) are movably connected above the first fixing seat (52), the second handle (54) and the jacking cylinder (55) are connected through the second connecting piece (53), the jacking cylinder (55) is telescopic through rotating the second handle (54), and the end face of the jacking cylinder (55) is abutted against the side face of the locomotive cab underframe (101).

7. The tool for assembling and welding the underframe of the locomotive cab according to claim 1, wherein: the hooking clamp (6) comprises a hooking base (61), a second fixing seat (62), a third handle (63), a second connecting shaft (64), a third connecting shaft (65), a locking arm (66) and a second bolt (67), the hooking base (61) is fixed on the base platform (1), the second fixing seat (62) is fixed above the hooking base (61), the second fixing seat (62) is movably connected with the third handle (63) through the third connecting shaft (65), and the third handle (63) is movably connected with the locking arm (66) through the second connecting shaft (64).

8. The tool for assembling and welding the underframe of the locomotive cab according to claim 7, wherein: the locking arm (66) is fixedly connected with a second bolt (67), the head of the second bolt (67) is located on the inner side of the locking arm (66), and the angle of the locking arm (66) is adjusted by rotating the third handle (63), so that the second bolt (67) on the inner side of the locking arm (66) is abutted to the locomotive cab underframe (101).

9. The tool for assembling and welding the underframe of the locomotive cab according to claim 1, wherein: the equal-height seat group (7) comprises a first baffle plate (71) and a second baffle plate (72), the first baffle plate (71) and the second baffle plate (72) are fixed on the basic platform (1), and the first baffle plate (71) is fixedly connected with the second baffle plate (72).

10. The tool for assembling and welding the underframe of the locomotive cab according to claim 1, wherein: the wedge clamping seat (8) comprises a wedge (81) and a wedge base (82), the wedge base (82) is fixed on the foundation platform (1), and the wedge (81) is in sliding connection with the wedge base (82).