Manipulator welding tool for cross beam of high-speed motor train unit of railway passenger car

Abstract

The utility model discloses a beam manipulator welding tool for a high-speed motor train unit of a railway passenger car. The beam manipulator welding tool comprises a base, wherein the upper surface of the base is provided with a bearing area; a groove is formed in the middle of the bearing area; a longitudinal positioning block protruding out of the upper surface of the base is fixedly connected to the edge of one side of the groove, a positioning face making contact with the inner wall of the cross beam is arranged on the side portion of the longitudinal positioning block, and a first jacking mechanism fixedly connected into the groove is provided with a first jacking rod capable of stretching out and drawing back along the axis perpendicular to the positioning face. The end, located in the bearing area, of the base is fixedly connected with a transverse positioning block, the side of the transverse positioning block is provided with a positioning face making contact with the end face of the beam, and the other end, located in the bearing area, of the base is provided with a second jacking mechanism. The second jacking mechanism is provided with a sliding groove and a second jacking rod connected with the sliding groove in a sliding mode. The front end of the second push rod is provided with a positioning plate which contacts with the end face of the crossbeam and lifts along with the second push rod. And pressing mechanisms for applying pressing force from the upper part are further distributed at the two ends of the bearing area on the base. The welding device has the advantages that the labor intensity is effectively reduced, and the welding efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tooling, in particular to a manipulator welding tooling for the cross beam of a high-speed EMU of a rail passenger car. Background Art

[0002] At present, before the cross beam of the bogie of the Chinese standard EMU with a speed of 350 km / h is welded by a manipulator, the cross beam needs to be hoisted onto the manipulator welding tooling for the cross beam to position and clamp the cross beam. Due to the complex structure of the cross beam of such a high-speed EMU bogie and the high requirement for welding positioning accuracy, after the cross beam is hoisted and installed on the welding tooling, a large amount of time is required for manual adjustment of the welding starting origin, simulation and calibration of the welding route to ensure that the weld bead will not deviate from the predetermined route during the welding process, and the welding assembly efficiency is very low. Moreover, the pressing bar type fastening tooling of the tooling is placed in the middle of the cross beam, blocking part of the cross beam weld. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the defects existing in the prior art, and provide a manipulator welding tooling for the cross beam of a high-speed EMU of a rail passenger car, which can realize the accurate and rapid positioning of the cross beam on the welding tooling, reduce the labor intensity of workers and save the time for manual adjustment of the position of the welding torch.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A manipulator welding tooling for the cross beam of a high-speed EMU of a rail passenger car disclosed by the utility model comprises:

[0006] A base with a bearing area on the upper surface;

[0007] A groove is formed in the middle of the bearing area;

[0008] A longitudinal positioning block protruding from the upper surface of the base is fixedly connected to one side edge position of the groove. The side part of the longitudinal positioning block has a positioning surface in contact with the inner wall of the cross beam. The first jacking mechanism fixedly connected in the groove has a first jacking rod capable of telescoping along the axis perpendicular to the positioning surface;

[0009] A transverse positioning block is fixedly connected to one end of the base where the bearing area is located. The side part of the transverse positioning block has a positioning surface in contact with the end face of the cross beam. The second jacking mechanism is arranged at the other end of the base where the bearing area is located;

[0010] The second jacking mechanism has a sliding groove and a second jacking rod slidably connected to the sliding groove;

[0011] A positioning plate in contact with the end face of the cross beam and rising and falling along with the second jacking rod is arranged at the front end of the second jacking rod;

[0012] Wherein, pressing mechanisms for applying pressing forces from above are further arranged at both ends of the base in the bearing area, so that the cross beam is fixedly connected to the base.

[0013] Furthermore, the second jacking mechanism includes a sliding seat. An opening part penetrating through the sliding seat is formed at the top end of the sliding seat. Two side walls opposite to each other of the opening part are slidably connected with sliders through sliding grooves. The sliders are in screw drive with the second ejector rod. One end of the second ejector rod is rotatably connected to the positioning plate, and a handle part is formed at the other end.

[0014] Furthermore, the top end of the sliding seat is a free end, and the opening part is of an open structure at the free end.

[0015] Furthermore, square-shaped positioning pins are fixedly connected to the bottoms of both ends of the positioning plate. Positioning holes matching the cross sections of the positioning pins are formed in the base corresponding to the positions below the positioning pins, and the positioning holes are matched with the positioning pins.

[0016] Furthermore, the first jacking mechanism includes a base. The bottom end of the base is fixedly connected to the groove, and the first ejector rod is screwed and rotated on the top end of the base.

[0017] Furthermore, the pressing mechanism includes a support seat, a pressing plate, and a third ejector rod in screw drive with the support seat;

[0018] One side of the support seat is fixedly connected to the base. A support arm is arranged at the top end of the support seat. The support arm is connected with the pressing plate capable of moving towards the upper surface of the cross beam through a shaft. A through hole is formed in the support seat away from the base end corresponding to the position below the pressing plate. The through hole is in screw drive with the third ejector rod, and the top end of the third ejector rod contacts the end of the pressing plate.

[0019] Furthermore, the hole formed in the pressing plate for cooperating with the shaft is a long hole.

[0020] In the above technical solution, for a cross beam manipulator welding tooling for a high-speed EMU of a rail passenger car provided by the present utility model, the beneficial effects are as follows:

[0021] For the welding tooling designed by the present utility model, firstly, the base uses the bearing area as a working surface to bear the cross beam, and a groove is formed in the middle of the bearing area. A longitudinal positioning block is fixedly connected to one side of the groove, and a first jacking mechanism is fixedly connected in the groove. The longitudinal positioning of the cross beam is realized through the cooperation of the first ejector rod of the first jacking mechanism and the longitudinal positioning block.

[0022] Secondly, a transverse positioning block is fixedly connected to one end of the base located in the bearing area, and a second tightening mechanism is arranged at the other end. The second tightening mechanism has a second ejector rod that can lift and horizontally extend. A positioning plate that contacts the end face of the cross beam and moves up and down with the second ejector rod is installed at the front end of the second ejector rod. By cooperating the second ejector rod and the positioning plate with the transverse positioning block, the cross beam is transversely positioned;

[0023] In addition, tightening mechanisms that apply a pressing force from above are arranged at both ends of the base. The cross beam is pressed from above by the pressing plates of the tightening mechanisms, so that the cross beam is fixedly connected to the base;

[0024] For this tooling, the cross beam is longitudinally positioned by the first tightening mechanism, the cross beam is transversely positioned by the positioning plate driven by the second ejector rod of the second tightening mechanism that can lift and horizontally extend, and the cross beam is fixed by the link-type tightening mechanism. It can achieve accurate and rapid positioning of the cross beam on the welding tooling, reduce the labor intensity of workers, save the time for manually adjusting the position of the welding torch during welding, and improve the welding efficiency and quality. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0026] Figure 1 is an axonometric view of a cross beam robotic welding tooling for a high-speed EMU of a rail vehicle disclosed by the present invention;

[0027] Figure 2 is a front view of a cross beam robotic welding tooling for a high-speed EMU of a rail vehicle disclosed by the present invention;

[0028] Figure 3 is a top view of a cross beam robotic welding tooling for a high-speed EMU of a rail vehicle disclosed by the present invention;

[0029] Figure 4 is a left view of a cross beam robotic welding tooling for a high-speed EMU of a rail vehicle disclosed by the present invention;

[0030] Figure 5 is a schematic diagram of the use state of a cross beam robotic welding tooling for a high-speed EMU of a rail vehicle disclosed by the present invention.

[0031] Description of the Reference Numerals:

[0032] 1. Base; 101. Groove; 102. Positioning hole; 2. Longitudinal positioning block; 3. Base; 4. First ejector rod; 5. Transverse positioning block; 6. Slide base; 601. Opening part; 602. Slide groove; 7. Slide block; 8. Second ejector rod; 9. Positioning plate; 10. Support base; 11. Pressing plate; 12. Third ejector rod. Detailed implementation mode

[0033] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further introduced in detail below with reference to the accompanying drawings.

[0034] See Figures 1-4 as shown;

[0035] A kind of crossbeam manipulator welding tooling for high-speed multiple unit of rail passenger car, comprising:

[0036] A base 1 with a bearing area on its upper surface, and the crossbeam is borne through the bearing area as a working surface;

[0037] A groove 101 is formed in the middle of the bearing area, and the bearing area is recessed below the lower surface of the crossbeam through the groove 101;

[0038] A longitudinal positioning block 2 protruding from the upper surface of the base 1 is fixedly connected to one side edge position of the groove 101. A positioning surface in contact with the inner wall of the crossbeam is provided on the side of the longitudinal positioning block 2. The crossbeam is longitudinally positioned through the longitudinal positioning block 2. A first tightening mechanism fixedly connected in the groove 101 has a first ejector rod 4 capable of telescoping along an axis perpendicular to the positioning surface;

[0039] During use, the positioning surface of the longitudinal positioning block 2 is in contact with the inner wall on one side of the crossbeam, and the first ejector rod 4 abuts against the inner wall on the other side of the inner wall of the crossbeam, so as to realize the longitudinal positioning of the crossbeam on this tooling;

[0040] A transverse positioning block 5 is fixedly connected to one end of the base 1 located in the bearing area, and a positioning surface in contact with the end face of the crossbeam is provided on its side. A second tightening mechanism is arranged at the other end of the base 1 located in the bearing area;

[0041] The second tightening mechanism has a slide groove 602 and a second ejector rod 8 slidably connected to the slide groove 602;

[0042] A positioning plate 9 in contact with the end face of the crossbeam and rising and falling with the second ejector rod 8 is installed at the front end of the second ejector rod 8;

[0043] During use, the positioning plate 9 is driven by the second ejector rod 8 of the second tightening mechanism to rise and fall and displace towards the transverse positioning block 5 to contact the crossbeam. At the same time, a tightening force is applied to the positioning surface through the second ejector rod 8 to realize the transverse positioning of the crossbeam on this tooling. This tooling ensures the longitudinal and transverse positioning accuracy of the crossbeam on this tooling through the first tightening mechanism and the second tightening mechanism;

[0044] Among them, pressing mechanisms for applying a pressing force from above are also arranged at both ends of the base 1 in the bearing area, so that the cross beam is fixedly connected to the base 1. Specifically, pressing mechanisms are evenly arranged on both sides at both ends of the base 1, that is, the cross beam is pressed at four corner positions of the base 1 by four press mechanisms.

[0045] See Figure 1 as shown in:

[0046] Preferably, the second jacking mechanism includes a sliding seat 6. An opening 601 penetrating the sliding seat 6 and having a U-shaped structure is formed at the top end of the sliding seat 6. Two opposite side walls of the opening 601 are slidably connected with sliders 7 through chutes 602. The sliders 7 are in screw drive with a second ejector rod 8. One end of the second ejector rod 8 is rotatably connected to a positioning plate 9, and the other end is formed with a handle portion for easy gripping by the hand. The second ejector rod 8 can be a lead screw or a screw rod in the prior art. During use, the second ejector rod 8 is driven to rotate through the handle portion.

[0047] Among them, the top end of the sliding seat 6 is a free end, and the opening 601 is an open structure at the free end, so that the slider 7 can be removed through the free end and separated from the sliding seat 6, which is convenient for assembly and disassembly.

[0048] See Figure 1 and 3 as shown in:

[0049] Preferably, square-shaped positioning pins are fixedly connected to the bottoms of both ends of the positioning plate 9. Positioning holes 102 matching the cross sections of the positioning pins are formed in the base 1 corresponding to the positions below the positioning pins. During use, the positioning plate 9 is driven to move back and forth by the second ejector rod 8, and the positioning pins on the positioning plate 9 fall into the positioning holes 102 to achieve precise positioning of the cross beam.

[0050] See Figure 1 as shown in:

[0051] Preferably, the first jacking mechanism includes a base 3. The bottom end of the base 3 is fixedly connected to the groove 101. A first ejector rod 4 is rotatably screwed at the top end of the base 3. The first ejector rod 4 is a lead screw or a screw rod in the prior art. One end of the first ejector rod 4 is rotatably connected to a cushion block, and the other end has a handle portion. During use, the first ejector rod 4 is driven to horizontally displace through the handle portion, so that the cushion block abuts against the cross beam to longitudinally position the cross beam.

[0052] See Figure 1 as shown in:

[0053] Preferably, the pressing mechanism includes a support seat 10, a pressing plate 11, and a third ejector rod 12 in screw drive with the support seat 10;

[0054] One side of the support base 10 is fixedly connected to the base 1. A support arm is provided at the top end of the support base 10. The support arm is connected by a shaft to a pressing plate 11 that can move towards the upper surface of the cross beam. A long hole matching the shaft is provided on the pressing plate 11, so that the pressing plate 11 can displace towards the center direction of the cross beam through the long hole, adjust the extending length of the pressing plate 11, ensure it is pressed tightly on the upper part of the cross beam. A through hole is provided at the end of the support base 10 away from the base 1 corresponding to the lower part of the pressing plate 11. The through hole is in screw drive connection with the third ejector rod 12. The top end of the third ejector rod 12 contacts the end of the pressing plate 11. The third ejector rod 12 is a lead screw or a screw rod in the prior art. The bottom end of the third ejector rod 12 has a handle part. During use, the third ejector rod 12 is driven through the handle part. The third ejector rod 12 provides a vertically upward supporting force to support the pressing plate 11 to rotate around the shaft, so that the front end of the pressing plate 11 presses tightly on the cross beam.

[0055] In the above technical solution, for a cross beam manipulator welding tooling for a high-speed EMU of a rail passenger car provided by the present utility model, the usage method is as follows:

[0056] See Figure 5 as shown in

[0057] Base 1; groove 101; positioning hole 102; longitudinal positioning block 2;

[0058] Base 3; first ejector rod 4; transverse positioning block 5; sliding seat 6; opening part 601; sliding groove 602; sliding block 7; second ejector rod 8; positioning plate 9; support base 10; pressing plate 11; third ejector rod 12.

[0059] First, hoist the cross beam of the EMU to the loading area above the base 1, rotate the first ejector rod 4, and push the cross beam through the first ejector rod 4 to make the cross beam contact the positioning surfaces of the two longitudinal positioning blocks 2;

[0060] Secondly, rotate the second ejector rod 8. The second ejector rod 8 drives the positioning plate 9 to move towards the transverse positioning block 5. After the end of the cross beam contacts the two transverse positioning blocks 5, move the sliding block 7 downward along the sliding groove 602, so that the second ejector rod 8 drives the positioning plate 9 and makes the square positioning pin of the positioning plate 9 fall into the positioning hole 102;

[0061] Move the pressing plate 11 towards the center direction of the cross beam. After the pressing plate 4 contacts the cross beam, rotate the third ejector rod 12 to make the pressing plate 11 rotate horizontally around the shaft. The front end of the pressing plate 11 presses the cross beam tightly, and then rotate the first ejector rod 4 to tighten the cross beam longitudinally.

[0062] Finally, hoist the cross beam together with the tooling as a whole to the manipulator for welding. After welding is completed, loosen the pressing plate 11 and the ejector rods, pull out the positioning plate 9, and hoist the welded cross beam frame away from the tooling.

[0063] Through this tooling, the welding and assembly process of the crossbeam manipulator for the standard multiple unit is optimized, greatly improving the installation quality and production efficiency of the crossbeam on the manipulator welding tooling. Moreover, there is no need to perform cumbersome operations, significantly reducing the labor intensity of workers.

[0064] Only some exemplary embodiments of the present utility model are described by way of illustration above. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. A beam manipulator welding tooling for high-speed multiple units of rail passenger cars, characterized in that Comprising: A base (1) with a bearing area on its upper surface; A groove (101) is formed in the middle of the bearing area; A longitudinal positioning block (2) protruding from the upper surface of the base (1) is fixedly connected to one side edge position of the groove (101). The side part of the longitudinal positioning block (2) has a positioning surface in contact with the inner wall of the cross beam. The first jacking mechanism fixedly connected in the groove (101) has a first jacking rod (4) that can expand and contract along an axis perpendicular to the positioning surface; The base (1) is fixedly connected with a transverse positioning block (5) at one end of the bearing area. The side part of the transverse positioning block (5) has a positioning surface in contact with the end face of the cross beam. The base (1) is provided with a second jacking mechanism at the other end of the bearing area; The second jacking mechanism has a sliding groove (602) and a second jacking rod (8) slidably connected to the sliding groove (602); A positioning plate (9) in contact with the end face of the cross beam and rising and falling with the second jacking rod (8) is installed at the front end of the second jacking rod (8); Wherein, the base (1) is also provided with a pressing mechanism for applying a pressing force from above at both ends of the bearing area, so that the cross beam is fixedly connected to the base (1).

2. An overhead manipulator welding tooling for high-speed multiple units of rail passenger cars according to claim 1, It is characterized in that; The second jacking mechanism includes a sliding seat (6). An opening part (601) penetrating through the sliding seat (6) is formed at the top end of the sliding seat (6). Two opposite side walls of the opening part (601) are slidably connected with sliders (7) through the sliding groove (602). The sliders (7) are in screw drive with the second jacking rod (8). One end of the second jacking rod (8) is rotatably connected to the positioning plate (9).

3. An overhead manipulator welding tooling for high-speed EMU of rail passenger cars according to claim 2, It is characterized in that; The top end of the sliding seat (6) is a free end, and the opening part (601) is an open structure at the free end.

4. An overhead manipulator welding tooling for high-speed multiple units of rail passenger cars according to claim 1 or 2, It is characterized in that; Square-shaped positioning pins are fixedly connected to the bottoms of both ends of the positioning plate (9). Positioning holes (102) matching the cross section of the positioning pins are formed in the base (1) corresponding to the positions below the positioning pins, and the positioning holes (102) are matched with the positioning pins.

5. An overhead manipulator welding tooling for high-speed multiple units of rail passenger cars according to claim 1, It is characterized in that; The first jacking mechanism includes a base (3). The bottom end of the base (3) is fixedly connected to the groove (101), and the first jacking rod (4) is screwed and rotated at the top end of the base (3).

6. The robotic welding tooling for the crossbeam of a high-speed multiple unit of a rail passenger car according to claim 1, characterized in that ； The pressing mechanism includes a support seat (10), a pressing plate (11), and a third jacking rod (12) in screw drive with the support seat (10); One side of the support seat (10) is fixedly connected to the base (1). A support arm is arranged at the top end of the support seat (10). The support arm is connected by a shaft to the pressing plate (11) that can move towards the upper surface of the cross beam. A through hole is formed in the support seat (10) away from the base (1) corresponding to the position below the pressing plate (11). The through hole is in screw drive with the third jacking rod (12), and the top end of the third jacking rod (12) is in contact with the end of the pressing plate (11).

7. The robotic welding tooling for the crossbeam of a high-speed multiple unit of a rail passenger car according to claim 6, characterized in that ； The hole formed in the pressing plate (11) for cooperating with the shaft is a long hole.

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