CN214134658U - A chassis crossbeam assembly welding frock for rail vehicle - Google Patents

Abstract

The utility model provides a chassis crossbeam assembly welding frock for rail vehicle, the first slewing mechanism of one end installation of workstation, the second slewing mechanism is installed to the other end, the second axis of rotation of second slewing mechanism is connected to the motor, the workstation top surface level in proper order sets up first clamping mechanism, second clamping mechanism, a chassis crossbeam assembly welding frock for rail vehicle, can realize 360 upsets, improve welding quality, increased production efficiency, all join in marriage closing device in frock each direction, realize crossbeam and reinforcement muscle compress tightly on the child position and fix; the main beam straightness and flatness are effectively improved, the main beam adjusting and repairing difficulty is reduced, 4 main beams can be welded simultaneously, the main beam welding production efficiency is improved, and because two sets of first clamping mechanisms are arranged in parallel, the length of the main beam is lengthened subsequently, the tool realizes the compatible welding of the large main beam and the small main beam, the tool requirement quantity is saved, and the project investment cost is reduced.

Description

A chassis crossbeam assembly welding frock for rail vehicle

Technical Field

The utility model belongs to the rail vehicle field especially relates to a chassis crossbeam assembly welding frock for rail vehicle.

Background

The underframe beam is an important component of a steel structure of the underframe of the railway passenger car body, is an important supporting point for hoisting equipment under the car and requires the dimensional requirements of high precision and high strength; in order to enhance the hoisting strength of the cross beam, the cross beam of the underframe is a structure consisting of a main cross beam and reinforcing ribs; the welding deformation of the beam reinforcing rib is large, and a proper tool needs to be formulated to restrain welding stress, so that the subsequent adjustment and repair amount is reduced, and the dimensional accuracy is guaranteed to reach the standard;

the disadvantages in the prior art are: the method comprises the following steps that reinforcing ribs in a cross beam of an underframe are fillet welded in holes, the main cross beam is bent in straightness due to heat brought by welding, the existing tool scheme is that welding is carried out on a platform, the main cross beam and the reinforcing ribs are paired and point-fixed and then placed on a Daimler platform, the main cross beam is fixed by a pressing device, the reinforcing ribs are welded, the main cross beam is turned after the welding is finished, and the steps are repeated; the existing tool cannot ensure the matching precision of the long circular holes of the cross beam of the underframe, and greatly influences the hoisting of subsequent assembled electrical equipment; the inner angle of the beam hole is welded, and the welding angle is limited, so that the turnover welding is required to be carried out continuously, and the production efficiency is seriously influenced; the assembly and welding of the cross beams must be carried out one by one, and assembly errors exist; the crossbeam just compresses tightly both ends with closing device during the welding, can't satisfy in the middle of the crossbeam in the post production process with the close subsides of platform, increases the degree of difficulty for follow-up accent repairment.

Disclosure of Invention

In view of this, the utility model aims at providing an chassis crossbeam assembly welding frock for rail vehicle to solve crossbeam closing device unstability, because of the limited needs of welding angle constantly carry out upset welding scheduling problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an underframe crossbeam assembly welding frock for rail vehicle, including the workstation, first clamping mechanism, first slewing mechanism, second slewing mechanism, including a motor, an end cap, a controller, and a cover plate, second clamping mechanism, first slewing mechanism is installed to the one end of workstation, the other end installation second slewing mechanism, the second axis of rotation of second slewing mechanism is connected to the motor, the workstation top surface level sets up first clamping mechanism in proper order, second clamping mechanism, first clamping mechanism and second clamping mechanism are the same, first clamping mechanism includes first lateral compressing unit, first high compressing unit, first longitudinal orientation piece, first locating plate, first adjustment unit and first work piece cushion, second clamping mechanism includes second lateral compressing unit, second high compressing unit, second longitudinal orientation piece, the second locating plate, second adjustment unit and second work piece cushion, first lateral compressing unit, The first height pressing unit, the first longitudinal positioning block, the first positioning plate, the first adjusting unit, the first workpiece cushion block, the second lateral pressing unit, the second height pressing unit, the second longitudinal positioning block, the second positioning plate, the second adjusting unit and the second workpiece cushion block are all independently installed on the top surface of the workbench, the center line direction of the workbench is sequentially horizontal and is provided with the first positioning plate, the first height pressing units, the first longitudinal positioning blocks, the first adjusting units installed in two rows and each row, the second positioning plate, the second height pressing units, the second longitudinal positioning blocks and the second adjusting units installed in two rows and each row, wherein the first height pressing unit and the first longitudinal positioning block are arranged in an overlapped mode, the front side and the rear side of each first longitudinal positioning block are respectively provided with the first workpiece cushion block, The first lateral pressing unit is arranged on the first side of the first vertical positioning block, the second height pressing unit and the second vertical positioning blocks are arranged in an overlapped mode, a second workpiece cushion block and a second lateral pressing unit are arranged on the front side and the rear side of each second vertical positioning block respectively, and a motor signal is connected to the controller.

Furthermore, the first height pressing unit comprises a supporting rod, an arc-shaped plate and a first lead screw, the arc-shaped plate is installed on the top surface of the workbench through the supporting rod, and the two ends of the arc-shaped plate are respectively provided with the first lead screw.

Further, first lateral pressing unit includes first fixed plate, first supporting block and second lead screw, and first supporting block bottom surface is through first fixed plate fixed connection to workstation top surface, and the second lead screw is installed to the top surface.

Furthermore, the first adjusting unit comprises a second fixing plate, a second supporting block, a third lead screw and a second vertical plate, the bottom surface of the second supporting block is fixedly connected to the top surface of the workbench through the second fixing plate, the third lead screw is installed on the top surface, and a second vertical plate is installed at the pressing end of the third lead screw.

Furthermore, first longitudinal positioning piece includes first riser and connecting plate, and connecting plate bottom surface fixed mounting is to the workstation top surface, and a first riser is respectively installed at top surface both ends.

Further, workstation top surface both sides respectively are equipped with a first spout, the top surface is equipped with a second spout along the central line direction, and inside bracing piece bottom and the connecting plate bottom all installed to the second spout, inside first fixed plate bottom was installed to first spout.

Further, first clamping mechanism still includes location bolt and reinforcement muscle, and inside the reinforcement muscle installed to the crossbeam, location bolt top surface was connected to the crossbeam inner wall, and the bottom surface is connected to the reinforcement muscle.

Furthermore, first slewing mechanism includes first base, first ring, first rotation board and first axis of rotation, first ring one end fixed connection to first base top surface, and first axis of rotation passes through the one end of first rotor plate fixed connection to workstation behind the first ring, and second slewing mechanism includes the second base, second ring and second rotor plate, second ring fixed connection to second base top surface, and pass through the one end of second rotor plate fixed connection to workstation behind the second ring in second axis of rotation one end, second axis of rotation other end fixed connection to motor.

Compared with the prior art, a chassis crossbeam assembly welding frock for rail vehicle have following advantage:

(1) the utility model discloses a chassis crossbeam assembly welding frock for rail vehicle, can realize 360 upsets, improve welding quality, greatly increased production efficiency, all join in marriage closing device in frock each direction, realize crossbeam and strengthening rib compress tightly on the child position and fix; the main beam straightness and flatness are effectively improved, the main beam adjusting and repairing difficulty is reduced, 4 main beams can be welded simultaneously, the main beam welding production efficiency is improved, and because two sets of first clamping mechanisms are arranged in parallel, the length of the main beam is lengthened subsequently, the tool realizes the compatible welding of the large main beam and the small main beam, the tool requirement quantity is saved, and the project investment cost is reduced.

(2) A chassis crossbeam assembly welding frock for rail vehicle, the locating pin device of newly-increased strengthening rib, avoid the error of operating personnel assembly, the manufacturing accuracy of whole chassis crossbeam has been improved, satisfy the use of later process, first lead screw is used for pressing from both sides tight crossbeam top surface, the second lead screw with be used for compressing tightly the front and back two sides of crossbeam together with first riser, second riser and first locating plate are used for compressing tightly crossbeam both sides face, thereby press from both sides six faces of crossbeam whole tightly, it is more firm when making the crossbeam welding, the motor is used for driving the second axis of rotation and rotates, the second axis of rotation rotates and can drive first axis of rotation, thereby make the workstation rotate, reach 360 welding crossbeam's effect, first spout and second spout play limiting displacement, it is pressed from both sides tightly more firmly to indirectly make the crossbeam.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an assembly schematic view of a cross beam and an underframe cross beam assembly welding tool for a rail vehicle according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembly welding tool for a chassis beam of a rail vehicle according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view a of a chassis beam assembly welding tool for a rail vehicle according to an embodiment of the present invention.

Description of reference numerals:

1-a workbench; 2-a first clamping mechanism; 21-a first lateral pressing unit; 211-a first fixation plate; 212-a first support block; 213-second lead screw; 22-a first level compression unit; 221-a support bar; 222-an arc plate; 223-a first lead screw; 23-a first longitudinal locating block; 231-a first riser; 232-connecting plate; 24-a first positioning plate; 25-a first adjusting unit; 251-a second fixing plate; 252-a second support block; 253-third lead screw; 254-a second riser; 26-a first workpiece pad; 3-a first rotating mechanism; 31-a first base; 32-a first ring; 33-a first rotation plate; 34-a first rotating shaft; 4-a second rotating mechanism; 41-a second base; 42-a second ring; 43-a second rotating plate; 44-a second rotational axis; 5, a motor; 6-a second clamping mechanism; 61-a second lateral pressing unit; 62-a second level compression unit; 63-a second longitudinal locating block; 64-a second positioning plate; 65-a second adjustment unit; 66-second workpiece pad.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 2 to 3, an undercarriage cross member assembling and welding tool for a railway vehicle includes: one end of the workbench 1 is provided with a first rotating mechanism 3, the other end is provided with a second rotating mechanism 4, a second rotating shaft 44 of the second rotating mechanism 4 is connected to a motor 5, the top surface of the workbench 1 is sequentially and horizontally provided with a first clamping mechanism 2 and a second clamping mechanism 6, the first clamping mechanism 2 comprises a first lateral pressing unit 21, a first height pressing unit 22, a first longitudinal positioning block 23, a first positioning plate 24, a first adjusting unit 25 and a first workpiece cushion block 26, the second clamping mechanism 6 comprises a second lateral pressing unit 61, a second height pressing unit 62, a second longitudinal positioning block 63, a second positioning plate 64, a second adjusting unit 65 and a second workpiece cushion block 66, the first lateral pressing unit 21, the first height pressing unit 22, the first longitudinal positioning block 23, the first positioning plate 24, the first adjusting unit 25, the first workpiece cushion block 26, the second lateral pressing unit 61, The second height pressing unit 62, the second longitudinal positioning block 63, the second positioning plate 64, the second adjusting unit 65 and the second workpiece pad block 66 are all independently installed on the top surface of the workbench 1, the central line direction of the workbench 1 is sequentially and horizontally and independently provided with a first positioning plate 24, a plurality of first height pressing units 22, a plurality of first longitudinal positioning blocks 23, two rows of first adjusting units 25, one second positioning plate 64, a plurality of second height pressing units 62, a plurality of second longitudinal positioning blocks 63, two rows of second adjusting units 65, wherein the first height pressing units 22 and the first longitudinal positioning blocks 23 are arranged in an overlapped mode, the front side and the rear side of each first longitudinal positioning block 23 are respectively provided with a first workpiece pad block 26 and a first lateral pressing unit 21, the second height pressing unit 62 and the second longitudinal positioning block 63 are arranged in an overlapped mode, a second workpiece cushion block 66 and a second lateral pressing unit 61 are respectively arranged at the front side and the rear side of each second longitudinal positioning block 63, and the motor 5 is in signal connection with the controller. The controller is a PLC, the model of the controller is Siemens S7-200 smart, the motor 5 is a three-phase asynchronous motor, and the model is Y2-100L24-3KW, because the structures and the working principles of the first clamping mechanism 2 and the second clamping mechanism 6 are the same, the structure of the first clamping mechanism 2 is only explained later, and the second clamping mechanism 6 is not repeated.

As shown in fig. 3, the first height pressing unit 22 includes a support rod 221, an arc-shaped plate 222 and a first lead screw 223, the arc-shaped plate 222 is mounted on the top surface of the workbench 1 through the support rod 221, two ends of the arc-shaped plate 222 are respectively mounted with the first lead screw 223, and the first lead screws 223 are used for clamping the top surface of the beam;

the first lateral pressing unit 21 comprises a first fixing plate 211, a first supporting block 212 and a second lead screw 213, wherein the bottom surface of the first supporting block 212 is fixedly connected to the top surface of the workbench 1 through the first fixing plate 211, the second lead screw 213 is mounted on the top surface, and the second lead screw 213 and the front and back surfaces used for pressing the cross beam together with the first vertical plate 231 are provided;

the first adjusting unit 25 comprises a second fixing plate 251, a second supporting block 252, a third lead screw 253 and a second vertical plate 254, the bottom surface of the second supporting block 252 is fixedly connected to the top surface of the workbench 1 through the second fixing plate 251, the third lead screw 253 is installed on the top surface, a second vertical plate 254 is installed at the pressing end of the third lead screw 253, the third lead screw is used for pushing the second vertical plate 254, and the second vertical plate 254 and the first positioning plate 24 are used for pressing two side surfaces of the beam;

first longitudinal positioning piece 23 includes first riser 231 and connecting plate 232, and connecting plate 232 bottom surface fixed mounting is to 1 top surface of workstation, and first riser 231 is respectively installed at the top surface both ends, and connecting plate 232 plays the fixed action, and first riser 231 is used for pressing from both sides the front and back two sides of tight crossbeam together with second lead screw 213, has also set up the strengthening rib between two first risers 231, and the strengthening rib plays the reinforcing effect.

As shown in fig. 2-3, two sides of the top surface of the working table 1 are respectively provided with a first sliding groove, the top surface is provided with a second sliding groove along the central line direction, the bottom ends of the supporting rods 221 and the connecting plate 232 are both installed inside the second sliding grooves, the bottom end of the first fixing plate 211 is installed inside the first sliding grooves, the first sliding grooves and the second sliding grooves play a limiting role, and indirectly, the cross beam is clamped more firmly.

As shown in fig. 1, first clamping mechanism 2 still includes location bolt and reinforcement bar, and inside the reinforcement bar installed to the crossbeam, location bolt top surface was connected to the crossbeam inner wall, and the bottom surface is connected to the reinforcement bar, and the error of operating personnel assembly has been avoided to location bolt and reinforcement bar, has improved the manufacturing accuracy of whole chassis crossbeam, satisfies the use of later process.

As shown in fig. 2, the first rotating mechanism 3 further includes a first base 31, a first ring 32, and a first rotating plate 33, one end of the first ring 32 is fixedly connected to the top surface of the first base 31, and the first rotating shaft 34 is fixedly connected to one end of the working table 1 through the first rotating plate 33 after passing through the first ring 32, the second rotating mechanism 4 comprises a second base 41, a second ring 42, a second rotating plate 43 and a second rotating shaft 44, the second ring 42 is fixedly connected to the top surface of the second base 41, and second axis of rotation 44 one end passes through second ring 42 back and passes through second rotating plate 43 fixed connection to the one end of workstation 1, and second axis of rotation 44 other end fixed connection to motor 5, and motor 5 is used for driving second axis of rotation 44 to rotate, and second axis of rotation 44 rotates and can drive first axis of rotation 44 and rotate to make workstation 1 rotate, reach 360 welded beam's effect.

The utility model discloses the theory of operation: as shown in fig. 1, a worker places four crossbeams in a first clamping mechanism 2, wherein only one of the crossbeams is taken as an example, the worker firstly installs reinforcing ribs inside the crossbeams, the top surfaces of the positioning pins are connected to the inner walls of the crossbeams, the bottom surfaces of the positioning pins are connected to the reinforcing ribs, then the worker sequentially adjusts a first screw 223, a second screw 213 and a third screw 253, so that the first screw 223 clamps the top surfaces of the crossbeams, the second screw 213 and a first vertical plate 231 tightly press the front and back surfaces of the crossbeams together, and the second vertical plate 254 and a first positioning plate 24 tightly press the two side surfaces of the crossbeams, and at this time, the fixing of the crossbeams on a workbench 1 is completed;

afterwards the staff welds four crossbeams in proper order, when needs change the crossbeam position, the staff opens motor 5 through the controller, motor 5 is used for driving second axis of rotation 44 and rotates, second axis of rotation 44 rotates and can drives first axis of rotation 44 and rotate, thereby make workstation 1 rotate, workstation 1 drives the crossbeam and rotates, when the workstation rotates can the welded position, the staff passes through the controller and closes the motor, crossbeam stall, the staff continues to weld the crossbeam, constantly repeat above-mentioned step afterwards, until the welding is accomplished, once can weld four crossbeams, work efficiency is greatly improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides an chassis crossbeam assembly welding frock for rail vehicle which characterized in that: the automatic clamping device comprises a workbench (1), a first clamping mechanism (2), a first rotating mechanism (3), a second rotating mechanism (4), a motor (5) and a second clamping mechanism (6), wherein the first rotating mechanism (3) is installed at one end of the workbench (1), the second rotating mechanism (4) is installed at the other end of the workbench (1), a second rotating shaft (44) of the second rotating mechanism (4) is connected to the motor (5), the first clamping mechanism (2) and the second clamping mechanism (6) are sequentially and horizontally arranged on the top surface of the workbench (1), the first clamping mechanism (2) and the second clamping mechanism (6) are identical in structure, the first clamping mechanism (2) comprises a first lateral pressing unit (21), a first high pressing unit (22), a first longitudinal positioning block (23), a first positioning plate (24), a first adjusting unit (25) and a first workpiece cushion block (26), and the second clamping mechanism (6) comprises a second lateral pressing unit (61), A second height pressing unit (62), a second longitudinal positioning block (63), a second positioning plate (64), a second adjusting unit (65) and a second workpiece cushion block (66), a first lateral pressing unit (21), a first height pressing unit (22), a first longitudinal positioning block (23), a first positioning plate (24), a first adjusting unit (25), a first workpiece cushion block (26), a second lateral pressing unit (61), a second height pressing unit (62), a second longitudinal positioning block (63), a second positioning plate (64), a second adjusting unit (65) and a second workpiece cushion block (66) are all independently installed on the top surface of the workbench (1), the center line direction of the workbench (1) is sequentially and horizontally provided with the first positioning plate (24), the first height pressing units (22), the first longitudinal positioning blocks (23) and the first adjusting units (25) which are installed in two rows and are installed in each row, The device comprises a second positioning plate (64), a plurality of second height pressing units (62), a plurality of second longitudinal positioning blocks (63), two rows of second adjusting units (65) which are respectively installed in each row, wherein the first height pressing units (22) and the first longitudinal positioning blocks (23) are arranged in an overlapped mode, a first workpiece cushion block (26) and a first lateral pressing unit (21) are respectively arranged on the front side and the rear side of each first longitudinal positioning block (23), the second height pressing units (62) and the second longitudinal positioning blocks (63) are arranged in an overlapped mode, a second workpiece cushion block (66) and a second lateral pressing unit (61) are respectively arranged on the front side and the rear side of each second longitudinal positioning block (63), and a motor (5) is connected to a controller in a signal mode.

2. The assembly welding tool for the underframe cross beam of the railway vehicle as claimed in claim 1, wherein: the first height pressing unit (22) comprises a supporting rod (221), an arc-shaped plate (222) and a first lead screw (223), the arc-shaped plate (222) is installed on the top surface of the workbench (1) through the supporting rod (221), and two ends of the arc-shaped plate (222) are respectively provided with the first lead screw (223).

3. The assembly welding tool for the underframe cross beam of the railway vehicle as claimed in claim 1, wherein: the first lateral pressing unit (21) comprises a first fixing plate (211), a first supporting block (212) and a second lead screw (213), the bottom surface of the first supporting block (212) is fixedly connected to the top surface of the workbench (1) through the first fixing plate (211), and the second lead screw (213) is installed on the top surface.

4. The assembly welding tool for the underframe cross beam of the railway vehicle as claimed in claim 1, wherein: the first adjusting unit (25) comprises a second fixing plate (251), a second supporting block (252), a third lead screw (253) and a second vertical plate (254), the bottom surface of the second supporting block (252) is fixedly connected to the top surface of the workbench (1) through the second fixing plate (251), the third lead screw (253) is installed on the top surface, and a second vertical plate (254) is installed at the pressing end of the third lead screw (253).

5. The assembly welding tool for the underframe cross beam of the railway vehicle as claimed in claim 1, wherein: the first longitudinal positioning block (23) comprises a first vertical plate (231) and a connecting plate (232), the bottom surface of the connecting plate (232) is fixedly installed on the top surface of the workbench (1), and the two ends of the top surface are respectively provided with the first vertical plate (231).

6. The assembly welding tool for the underframe cross beam of the railway vehicle as claimed in claim 5, wherein: workstation (1) top surface both sides respectively are equipped with a first spout, the top surface is equipped with a second spout along the central line direction, and inside bracing piece (221) bottom and connecting plate (232) bottom all installed to the second spout, inside first fixed plate (211) bottom was installed to first spout.

7. The assembly welding tool for the underframe cross beam of the railway vehicle as claimed in claim 1, wherein: first clamping mechanism (2) still include location bolt and reinforcement muscle, and inside the reinforcement muscle installed to the crossbeam, location bolt top surface was connected to the crossbeam inner wall, and the bottom surface is connected to the reinforcement muscle.

8. The assembly welding tool for the underframe cross beam of the railway vehicle as claimed in claim 1, wherein: first slewing mechanism (3) include first base (31), first ring (32), first rotating plate (33) and first axis of rotation (34), first ring (32) one end fixed connection is to first base (31) top surface, and first axis of rotation (34) pass through the one end of first rotor plate (33) fixed connection to workstation (1) behind first ring (32), second slewing mechanism (4) include second base (41), second ring (42) and second rotor plate (43), second ring (42) fixed connection is to second base (41) top surface, and pass through second ring (42) behind second axis of rotation (44) one end through the one end of second rotor plate (43) fixed connection to workstation (1), the other end fixed connection of second axis of rotation (44) is to motor (5).

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