Welding tool for swing bolster of bogie of passenger train

By designing welding fixtures for railway passenger car bogie bolsters and utilizing structures such as hydraulic rods and rotating brackets to achieve precise fixation of the bolsters, the problem of joint position deviation during welding is solved, thereby improving welding stability and the smoothness of vehicle operation.

CN223338737UActive Publication Date: 2025-09-16ZHEJIANG ZHIZHUANG RAIL TRANSIT EQUIP CO LTD
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Patent Information

Application Number
CN202422699475.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-09-16
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

During the welding process of the bolster of railway passenger car bogies, manual hand-held fixation can easily cause inaccurate docking of the welding joints, resulting in poor stability and affecting the welding effect.

Method used

A welding fixture for the bolster of a railway passenger car bogie is designed. A hydraulic rod is used to drive the displacement and rotation of the bracket, so that the abutment rod is rotated to a position close to the bolster. The bolster is fixed by the contact between the pressure block and the bolster. Combined with structures such as the rotating block and the insertion rod, precise fixation of different parts of the bolster is achieved.

Benefits of technology

The stability and accuracy of bolster welding are improved, the welding effect is enhanced, and the stability of the bogie and the ride comfort of the vehicle are ensured.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223338737U_ABST
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Abstract

The utility model relates to the technical field of bogie swing bolster welding, in particular to a railway carriage bogie swing bolster welding tool which comprises an operation table, a positioning bottom plate is fixed on the operation table, a plurality of limiting holes are formed in the positioning bottom plate at equal intervals, and a positioning frame is installed on the positioning bottom plate. The positioning frame is fixed to the positioning bottom plate through the mounting mechanism, the pressing mechanism and the rotating mechanism are mounted on the positioning frame in a threaded mode, the pressing mechanism comprises a hydraulic rod and an insertion block, the insertion block is mounted at the top end of the positioning frame in a threaded mode, the hydraulic rod is fixed to the insertion block, and a support is rotatably arranged at the telescopic end of the hydraulic rod. The support is in threaded connection with an abutting rod, a rotating block is fixed to the abutting rod, and a pressing block is fixed to the abutting rod. After the hydraulic rod drives the support to displace, the support is rotated, the abutting rod is rotated to the position close to the swing bolster, the rotating block is rotated, the pressing block fixed to the abutting rod can abut against the swing bolster, and then different parts of the swing bolster can be fixed conveniently.
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Description

Technical Field

[0001] The utility model relates to a welding tool, in particular to a welding tool for a railway passenger car bogie bolster, and belongs to the technical field of bogie bolster welding. Background Art

[0002] The various parameters of the bogie also directly determine the stability of the vehicle and the ride comfort of the vehicle. With the installation and use of new bogies and the application of various advanced technologies, the operation of vehicles has become more and more stable. The bolster is the connecting device between the body of the railway freight flatcar and the bogie frame, which mainly bears and transmits vertical force, lateral force and longitudinal force.

[0003] However, when welding the bogie bolsters of railway passenger cars, manual hand-held fixation can easily cause the welded joints to be not accurately docked. Once the joint position deviates, the stability of the bolster components during the welding process is poor, which is not conducive to improving the welding effect. Utility Model Content

[0004] The purpose of the present utility model is to provide a railway passenger car bogie bolster welding tool in order to solve the above-mentioned problem. After the hydraulic rod drives the bracket to move, the bracket is rotated to rotate the push rod to a position close to the bolster. The rotating block is rotated to make the pressure block fixed on the push rod come into contact with the bolster, thereby facilitating the fixation of different parts of the bolster.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a railway passenger car bogie bolster welding tool, including an operating table, a positioning base plate is fixedly installed on the top of the operating table, a plurality of limit holes are equidistantly provided in the positioning base plate, a positioning frame is installed on the positioning base plate, the positioning frame is fixed to the top of the positioning base plate through a mounting mechanism, a clamping mechanism and a rotating mechanism are threadedly installed on the positioning frame, the clamping mechanism includes a hydraulic rod and an insert block, an insert block is threadedly installed on the top of the positioning frame, a hydraulic rod is fixedly connected to the insert block, the telescopic end of the hydraulic rod is rotatably connected to a bracket, a push rod is threadedly connected to the bracket, a rotating block is fixedly installed on the push rod, and a pressing block is fixedly connected to the bottom end of the push rod.

[0006] Preferably, the bottom end of the hydraulic rod contacts the positioning frame, and the bracket is arranged in an inclined structure.

[0007] Preferably, the rotating block is arranged in a regular hexagonal structure, and the cross-section of the pressing block is arranged in an isosceles trapezoidal structure.

[0008] Preferably, the rotating mechanism includes a swivel and an insertion rod, the side wall of the positioning frame is threadedly installed with the insertion rod, the insertion rod is rotatably connected to the swivel, the swivel is threadedly connected to the support rod, the support rod is threadedly connected to the sliding rod, and the two ends of the sliding rod are respectively fixedly installed with a stop block and a fixed block.

[0009] Preferably, the diameter of the rotating ring is larger than the diameter of the support rod, and the width of the fixing block is larger than the diameter of the sliding rod.

[0010] Preferably, the abutment block and the pressing block have the same shape, and the diameter of the support rod is larger than the diameter of the sliding rod.

[0011] Preferably, the mounting mechanism includes a first socket and a second socket, the positioning frame is provided with several first sockets and second sockets, the positioning frame is fixedly connected with a handle and several mounting blocks, the positioning frame is provided with a mounting hole, and the mounting hole is threaded with a positioning bolt.

[0012] Preferably, an insert rod is threadedly installed at the first insertion hole, and an insert block is threadedly installed at the second insertion hole.

[0013] Preferably, the insert block and the insert rod are all threadedly connected to the positioning frame and the mounting block, and the mounting block is arranged in a regular hexagonal structure.

[0014] Preferably, the positioning frame is connected to the limiting hole provided on the positioning base plate through the mounting hole, and the positioning bolt is threadedly connected to the positioning base plate.

[0015] The beneficial effects of the present invention are as follows: the plug block installed at the bottom end of the hydraulic rod is threadedly installed to the top end of the positioning frame, and then the control switch of the hydraulic rod is started. The telescopic end of the hydraulic rod is installed with a bracket. When the hydraulic rod is started, it can drive the bracket to move up and down, and then the bracket is rotated by hand to make the bracket rotate to a position close to the bogie bolster. Then the rotating block is rotated, and the rotating block is fixed to the top end of the push rod. The rotating block drives the push rod to rotate inside the bracket. Due to the threaded connection between the push rod and the bracket, it is convenient to adjust the placement height of the push rod; when the push rod moves in the direction close to the bolster, the pressure block fixed at the end of the push rod can be made to contact the top end of the bolster, so that different parts of the bolster can be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 for Figure 1 The enlarged structural diagram of part A is shown;

[0018] Figure 3 for Figure 1 The enlarged structural diagram of part B is shown;

[0019] Figure 4 This is a schematic diagram of the connection structure of the positioning frame and the mounting block of the utility model;

[0020] Figure 5 This is a schematic diagram of the connection structure of the support rod and the sliding rod of the utility model;

[0021] Figure 6 This is a schematic diagram of the connection structure of the bracket and the support rod of the present invention.

[0022] In the figure: 1. operating table; 2. positioning base plate; 3. limiting hole; 4. positioning frame; 5. mounting mechanism; 501. first socket; 502. second socket; 503. mounting block; 504. handle; 505. positioning bolt; 506. mounting hole; 6. clamping mechanism; 601. hydraulic rod; 602. bracket; 603. rotating block; 604. push rod; 605. pressing block; 606. insert block; 7. rotating mechanism; 701. support rod; 702. swivel; 703. insert rod; 704. slide rod; 705. push block; 706. fixed block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-6 As shown, a railway passenger car bogie bolster welding tool comprises an operating platform 1, a positioning base plate 2 is fixedly mounted on the top of the operating platform 1, a plurality of limiting holes 3 are equidistantly provided in the positioning base plate 2, a positioning frame 4 is mounted on the positioning base plate 2, the positioning frame 4 is fixed to the top of the positioning base plate 2 through a mounting mechanism 5, a clamping mechanism 6 and a rotating mechanism 7 are threadedly mounted on the positioning frame 4, the clamping mechanism 6 comprises a hydraulic rod 601 and an insert block 606, an insert block 606 is threadedly mounted on the top of the positioning frame 4, a hydraulic rod 601 is fixedly connected to the insert block 606, the telescopic end of the hydraulic rod 601 is rotatably connected to a bracket 602, a push rod 604 is threadedly connected to the bracket 602, a rotating block 603 is fixedly mounted on the push rod 604, and a pressing block 605 is fixedly connected to the bottom end of the push rod 604.

[0025] As a technical optimization solution of the present invention, the bottom end of the hydraulic rod 601 contacts the positioning frame 4, and the bracket 602 is arranged in an inclined structure. The bracket 602 supports the support rod 604, and then the pressure block 605 can be used to resist different parts of the rocker.

[0026] As a technical optimization solution of the present invention, the rotating block 603 is arranged in a regular hexagonal structure, and the cross-section of the pressing block 605 is arranged in an isosceles trapezoidal structure. When the pressing block 605 contacts the top of the bolster, the bolster can be fixed to the top of the positioning base plate 2.

[0027] As a technical optimization solution of the present invention, the rotating mechanism 7 includes a rotating ring 702 and an insert rod 703. The side wall of the positioning frame 4 is threadedly installed with an insert rod 703. The insert rod 703 is rotatably connected to the rotating ring 702. The rotating ring 702 is threadedly connected to the support rod 701. The support rod 701 is threadedly connected to the sliding rod 704. The two ends of the sliding rod 704 are respectively fixed with a stop block 705 and a fixed block 706. By rotating the insert rod 703, it can be threadedly installed to the side wall of the positioning frame 4.

[0028] As a technical optimization solution of the present invention, the diameter of the swivel 702 is larger than the diameter of the support rod 701, and the width of the fixed block 706 is larger than the diameter of the sliding rod 704. By rotating the support rod 701, its placement length can be adjusted, and rotating the support rod 701 can make the swivel 702 rotate along the insertion rod 703.

[0029] As a technical optimization solution of the present invention, the shape of the stop block 705 is the same as that of the pressure block 605, the diameter of the support rod 701 is larger than the diameter of the slide rod 704, and the length of the slide rod 704 can be adjusted by adjusting the position of the support rod 701 on the rotating ring 702.

[0030] As a technical optimization solution of the present invention, the mounting mechanism 5 includes a first socket 501 and a second socket 502, and the positioning frame 4 is provided with several first sockets 501 and second sockets 502. The positioning frame 4 is fixedly connected with a handle 504 and several mounting blocks 503. The positioning frame 4 is provided with a mounting hole 506, and the mounting hole 506 is threadedly installed with a positioning bolt 505. The positioning frame 4 can be fixed to the top of the positioning base plate 2 through the positioning bolt 505.

[0031] As a technical optimization solution of the present invention, a rod 703 is threadedly installed on the first socket 501, and a block 606 is threadedly installed on the second socket 502. The positioning frame 4 limits the block 606 and the rod 703, so that the positioning assembly can be fixed.

[0032] As a technical optimization solution of the present invention, the insert block 606 and the insert rod 703 are both threadedly connected to the positioning frame 4 and the mounting block 503. The mounting block 503 is arranged in a regular hexagonal structure. When the insert block 606 and the insert rod 703 are rotated into the interior of the mounting block 503, they can be fixed in the positioning frame 4.

[0033] As a technical optimization solution of the present invention, the positioning frame 4 is connected to the limiting hole 3 provided on the positioning base plate 2 through the mounting hole 506, and the positioning bolt 505 is threadedly connected to the positioning base plate 2. When the positioning frame 4 conflicts with the positioning base plate 2, it can be fixed to the top of the positioning base plate 2.

[0034] When the present invention is in use, first, the operator aligns the mounting hole 506 provided on the positioning frame 4 with the limiting hole 3 provided on the positioning base plate 2, and then inserts the positioning bolt 505 into the mounting hole 506. Use a tool to rotate the positioning bolt 505 so that its end can be threadedly installed into the interior of the positioning base plate 2, thereby facilitating the positioning frame 4 to be fixed on the top of the positioning base plate 2. When the positions of several positioning frames 4 are fixed, the operator can thread the plug 606 installed at the bottom end of the hydraulic rod 601 to the top of the positioning frame 4, and then start the control switch of the hydraulic rod 601. The telescopic end of the hydraulic rod 601 is installed with the bracket 602. When the hydraulic rod 601 is started, it can drive the bracket 602 to move up and down, and then rotate the bracket 602 by hand to make the bracket 602 rotate to a position close to the bogie bolster, and then rotate the rotating block 603. The rotating block 603 is fixed to the top of the push rod 604, and the rotating block 603 drives the push rod 604 to move inside the bracket 602. When the slide block 704 drives the block 705 to slide in the direction close to the bolster, the side wall of the bolster can be made to resist, thereby preventing the bolster from shaking during welding.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0036] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A railway passenger car bogie bolster welding tool, comprising an operating table (1), characterized in that: A positioning base plate (2) is fixedly mounted on the top of the operating table (1), and a plurality of limiting holes (3) are equidistantly provided in the positioning base plate (2). A positioning frame (4) is mounted on the positioning base plate (2), and the positioning frame (4) is fixed to the top of the positioning base plate (2) through a mounting mechanism (5). A pressing mechanism (6) and a rotating mechanism (7) are threadedly mounted on the positioning frame (4), and the pressing mechanism (6) comprises a hydraulic rod (601) and an insert block (606). The top of the positioning frame (4) is threadedly mounted with an insert block (606), and the insert block (606) is fixedly connected to the hydraulic rod (601). The telescopic end of the hydraulic rod (601) is rotatably connected to a bracket (602), and a support rod (604) is threadedly connected to the bracket (602). A rotating block (603) is fixedly mounted on the support rod (604), and a pressing block (605) is fixedly connected to the bottom end of the support rod (604).

2. The railway passenger car bogie bolster welding tool according to claim 1, characterized in that: The bottom end of the hydraulic rod (601) contacts the positioning frame (4), and the bracket (602) is arranged in an inclined structure.

3. The railway passenger car bogie bolster welding tool according to claim 1, characterized in that: The rotating block (603) is arranged in a regular hexagonal structure, and the cross section of the pressing block (605) is arranged in an isosceles trapezoidal structure.

4. The railway passenger car bogie bolster welding tool according to claim 3, characterized in that: The rotating mechanism (7) comprises a rotating ring (702) and an inserting rod (703); the inserting rod (703) is threadedly mounted on the side wall of the positioning frame (4); the rotating ring (702) is rotatably connected to the inserting rod (703); the rotating ring (702) is threadedly connected to a supporting rod (701); the supporting rod (701) is threadedly connected to a sliding rod (704); and a stop block (705) and a fixed block (706) are fixedly mounted on both ends of the sliding rod (704).

5. The railway passenger car bogie bolster welding tool according to claim 4, characterized in that: The diameter of the rotating ring (702) is greater than the diameter of the supporting rod (701), and the width of the fixing block (706) is greater than the diameter of the sliding rod (704).

6. The railway passenger car bogie bolster welding tool according to claim 4, characterized in that: The shape of the stop block (705) is the same as that of the pressing block (605), and the diameter of the support rod (701) is larger than the diameter of the sliding rod (704).

7. The railway passenger car bogie bolster welding tool according to claim 1, characterized in that: The mounting mechanism (5) comprises a first jack (501) and a second jack (502); the positioning frame (4) is provided with a plurality of first jacks (501) and second jacks (502); a handle (504) and a plurality of mounting blocks (503) are fixedly connected to the positioning frame (4); a mounting hole (506) is provided on the positioning frame (4); and a positioning bolt (505) is threadedly mounted on the mounting hole (506).

8. The railway passenger car bogie bolster welding tool according to claim 7, characterized in that: The first insertion hole (501) is threadedly mounted with an insertion rod (703), and the second insertion hole (502) is threadedly mounted with an insertion block (606).

9. The railway passenger car bogie bolster welding tool according to claim 7, characterized in that: The insert block (606) and the insert rod (703) are both threadedly connected to the positioning frame (4) and the mounting block (503), and the mounting block (503) is arranged in a regular hexagonal structure.

10. The railway passenger car bogie bolster welding tool according to claim 7, characterized in that: The positioning frame (4) is connected to the limiting hole (3) provided on the positioning base plate (2) through the mounting hole (506), and the positioning bolt (505) is threadedly connected to the positioning base plate (2).