Universal installing and welding device for chassis of urban rail vehicle

By designing a universal urban rail vehicle underframe welding device, using basic support modules and adjustable side beam support modules to adapt to different vehicle models, the problem of incompatibility of existing devices was solved, and efficient underframe welding was achieved.

CN223418650UActive Publication Date: 2025-10-10CSR CHENGDU
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Patent Information

Application Number
CN202422396984.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-10-10
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The existing urban rail vehicle underframe welding equipment is not compatible with different vehicle models, resulting in low production efficiency.

Method used

A universal urban rail vehicle underframe assembly and welding device is designed, which includes a base support module, a semi-fixed side beam support module, a movable side beam support module, and a cross beam support module. By adjusting the position of the movable side beam support module and the number of cross beam support modules, it can adapt to vehicle underframes of different widths and lengths. Combined with a gantry support frame and a hydraulic press, precise positioning and welding can be achieved.

Benefits of technology

It improves the production efficiency of urban rail vehicle chassis, can take into account the welding requirements of different models, and ensures welding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a universal urban rail vehicle chassis assembling and welding device, which relates to the technical field of urban rail vehicle manufacturing and comprises a foundation supporting module, a plurality of semi-fixed boundary beam supporting modules, a plurality of movable boundary beam supporting modules and a plurality of cross beam supporting modules. The foundation supporting module comprises two parallel foundation frame beams arranged in a spaced mode. The semi-fixed boundary beam supporting modules are installed on one of the foundation frame beams at intervals in the first direction and used for supporting one of the boundary beams. The movable boundary beam supporting modules are mounted on the other foundation frame beam at intervals in the first direction, can move in the second direction and are used for supporting the other boundary beam; the cross beam supporting module is arranged on the two foundation frame beams in a striding mode in the second direction and used for supporting an underframe of the urban rail vehicle. By means of the arrangement, the installing and welding device can adapt to installing and welding of vehicle underframes of various widths and lengths, the production efficiency of urban rail vehicles is improved, and the adaptability of the installing and welding device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of urban rail vehicle manufacturing, in particular to a universal urban rail vehicle underframe assembly welding device. Background Art

[0002] As a key component of urban rail vehicles, the underframe plays a crucial role in vehicle operation. Currently, urban rail vehicles have two types of underframes: Type A and Type B. Type A vehicles are 22 meters long and 3 meters wide, with their side beams and end underframes lapped together. Type B vehicles are 19 meters long and 2.8 meters wide, with their side beams and end underframes spliced ​​together.

[0003] Therefore, in order to achieve compatible assembly welding of different vehicle models, it is necessary to design a universal underframe assembly welding device to improve the production efficiency of urban rail vehicle underframes. Utility Model Content

[0004] The utility model aims to provide a universal urban rail vehicle underframe assembly welding device, which can take into account different vehicle models and improve the production efficiency of vehicle underframes.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A universal urban rail vehicle underframe assembly welding device, comprising:

[0007] A foundation support module includes two parallel and spaced foundation frame beams;

[0008] A plurality of semi-fixed side beam support modules are installed at intervals on one of the basic frame beams along a first direction, and are used to support one of the side beams of the urban rail vehicle;

[0009] A plurality of movable side beam support modules are installed on another basic frame beam at intervals along a first direction, and the movable side beam support modules can be moved along a second direction to support another side beam of the urban rail vehicle;

[0010] A plurality of crossbeam support modules are arranged across the two basic frame beams along the second direction and are arranged at intervals. The crossbeam support modules are used to support the underframe of the urban rail vehicle.

[0011] As a preferred embodiment, a press-fitting module is further included, and the press-fitting module includes:

[0012] The gantry support frame is movably arranged in a first direction and spans between the two basic frame beams;

[0013] The hydraulic press is movably hoisted on the gantry support frame, and the movable end of the hydraulic press can move along the third direction. The hydraulic press is used to press down the underframe of the urban rail vehicle so that the underframe and the side beam are located in the same plane.

[0014] Preferably, the semi-fixed side beam support module includes a first base, a semi-fixed support seat and a locking bolt. The first base is evenly installed on one of the basic frame beams, and the semi-fixed support seat is installed on the first base through the locking bolt.

[0015] Preferably, the movable side beam support module includes a second base and a movable support seat. The second base is evenly installed on another basic frame beam. A guide rail is provided on the upper end face of the second base along the second direction. A slider is provided at the bottom of the movable support seat to cooperate with the guide rail. The movable support seat is movably installed on the second base through the slider.

[0016] Preferably, limiting devices are provided at both ends of the second base in the second direction.

[0017] Preferably, the beam support module includes a beam and a plurality of beam support seats. The beam can be detachably arranged to span between two basic frame beams, and the plurality of beam support seats can be movably installed on the upper end surface of the beam.

[0018] Preferably, a movable groove is provided on the upper end face of the beam, and a movable protrusion matching the movable groove is provided on the bottom of the beam support seat. Several bolt holes are provided on the upper end face of the beam and the movable protrusion, and the beam support seat is fixed to the beam by bolts.

[0019] Preferably, the movable side beam support module also includes a propulsion device, which is installed on the basic frame beam on which the movable side beam support module is installed, and the propulsion device is located on the outside of the two basic frame beams. The propulsion device is used to provide power for the movement of the movable side beam support module.

[0020] Preferably, the number of the semi-fixed side beam support modules and the movable side beam support modules are the same, and they correspond one to one in the second direction.

[0021] Preferably, rollers are provided at the bottom of the gantry support frame, and guide rail beams matching the rollers are provided on both sides of the basic frame beam.

[0022] Compared with the above-mentioned background technology, the utility model provides a universal urban rail vehicle underframe assembly welding device, comprising: a basic support module, a plurality of semi-fixed side beam support modules, a plurality of movable side beam support modules and a plurality of cross beam support modules; the basic support module comprises two parallel and spaced basic frame beams; a plurality of semi-fixed side beam support modules are installed at intervals on one of the basic frame beams along a first direction, for supporting one of the side beams of the urban rail vehicle; a plurality of movable side beam support modules are installed at intervals on the other basic frame beam along the first direction, and the movable side beam support modules can be moved along the second direction, for supporting the other side beam of the urban rail vehicle; a plurality of cross beam support modules are spanned on the two basic frame beams along the second direction and the plurality of cross beam support modules are spaced apart, and the cross beam support modules are used to support the underframe of the urban rail vehicle.

[0023] Specifically, when using this embodiment, it is necessary to first determine the width and length of the underframe of the urban rail vehicle, and then adjust the distance between the movable side beam support module and the semi-fixed side beam support module to reach the preset width, and then fix the two side beams through several semi-fixed side beam support modules and several movable side beam support modules respectively, and then place the underframe on the crossbeam support modules of the two basic frame beams, and fine-tune their positions so that the underframe and the two side beams reach the expected positions. Finally, the staff can perform welding work to weld the two side beams to the underframe, thereby completing the welding of the urban rail vehicle underframe; in this way, the distance between the two side beams can be adjusted through the movable side beam support module to meet the welding needs of vehicle underframes of different widths. In addition, since multiple groups of crossbeam support modules are arranged in the length direction of the basic frame beam, the welding needs of vehicle underframes of different lengths can also be met, thereby improving the overall versatility of the welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0025] Figure 1 A front view of a universal urban rail vehicle underframe assembly welding device provided by an embodiment of the utility model;

[0026] Figure 2 A top view of a universal urban rail vehicle underframe assembly welding device provided by an embodiment of the utility model;

[0027] Figure 3 for Figure 1 Middle AA section view;

[0028] Figure 4 for Figure 1 Middle BB cross-sectional view;

[0029] Figure 5 This is a schematic structural diagram of the movable side beam support module provided in an embodiment of the present utility model.

[0030] in:

[0031] 01-side beam, 02-base frame;

[0032] 100-foundation support module, 110-foundation frame beam;

[0033] 200-semi-fixed side beam support module, 210-first base, 220-semi-fixed support seat;

[0034] 300- movable side beam support module, 310- second base, 320- movable support seat, 330- guide rail, 340- slider, 350- limit device, 360- propulsion device;

[0035] 400- crossbeam support module, 410- crossbeam, 420- crossbeam support base;

[0036] 500-pressing module, 510-gantry support frame, 511-roller, 512-guide rail beam, 520-hydraulic press. DETAILED DESCRIPTION

[0037] 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.

[0038] In order to enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0039] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left" and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limitations of the present invention.

[0040] The utility model aims to provide a universal urban rail vehicle underframe assembly welding device, which can take into account different vehicle models and improve the production efficiency of vehicle underframes.

[0041] It should be noted that, in this embodiment, the X direction in the accompanying drawings is defined as the first direction, the Y direction is defined as the second direction, and the Z direction is defined as the third direction. The first direction, the second direction and the third direction are perpendicular to each other.

[0042] To achieve the above objectives, the present invention provides the following technical solutions:

[0043] See also Figures 1 to 5 The present embodiment provides a universal urban rail vehicle underframe 02 assembly welding device, which is characterized by comprising: a basic support module 100, a plurality of semi-fixed side beam support modules 200, a plurality of movable side beam support modules 300 and a plurality of cross beam support modules 400; the basic support module 100 includes two parallel and spaced basic frame beams 110; a plurality of semi-fixed side beam support modules 200 are installed on one of the basic frame beams 110 at intervals along a first direction, for supporting one of the side beams 01 of the urban rail vehicle; a plurality of movable side beam support modules 300 are installed on the other basic frame beam 110 at intervals along the first direction, and the movable side beam support modules 300 can be moved along a second direction, for supporting the other side beam 01 of the urban rail vehicle; a plurality of cross beam support modules 400 are arranged across the two basic frame beams 110 along the second direction and are spaced apart, and the cross beam support modules 400 are used to support the underframe 02 of the urban rail vehicle.

[0044] Specifically, two basic frame beams 110 are laid on the ground in parallel and at the same height to support the remaining components and parts to be welded. The lengths of the two basic frame beams 110 can be adjusted according to actual conditions, and are not specifically limited in this article. A number of semi-fixed side beam support modules 200 are detachably installed on one of the basic frame beams 110, and each two semi-fixed side beam support modules 200 are a certain distance apart. The cooperation of these semi-fixed side beam support modules 200 is required to ensure that a side beam 01 can be stably fixed and supported. At the same time, a number of movable side beam support modules 300 are also detachably installed on the other basic frame beam 110, wherein the movable side beam While ensuring that it can support the other side beam 01, the support module 300 can also move in the second direction, that is, close to the other basic frame beam 110 or away from the other basic frame beam 110; finally, the vehicle's chassis 02 is supported by the crossbeam support module 400, and the crossbeam support module 400 is spanned between the two basic frame beams 110. The vehicle's chassis 02 is assumed to be on the measuring support assembly, and cooperates with the semi-fixed side beam support module 200 and the movable side beam support module 300 to assemble the two side beams 01 and the vehicle's chassis 02 together for welding operations, wherein the crossbeam support module 400 can also adjust its installation position in the first direction according to actual needs.

[0045] When using this embodiment, it is first necessary to determine the width and length of the urban rail vehicle underframe 02, then adjust the distance between the movable side beam support module 300 and the semi-fixed side beam support module 200 to reach the preset width, and then fix the two side beams 01 through a plurality of semi-fixed side beam support modules 200 and a plurality of movable side beam support modules 300 respectively. Then, the underframe 02 is placed on the crossbeam support modules 400 of the two basic frame beams 110, and their positions are fine-tuned so that the underframe 02 and the two side beams 01 reach the expected positions. Finally, the staff can perform welding work to weld the two side beams 01 to the underframe 02, thereby completing the welding of the urban rail vehicle underframe 02; in this way, the distance between the two side beams 01 can be adjusted by the movable side beam support module 300 to meet the welding requirements of vehicle underframes 02 of different widths. In addition, since multiple groups of crossbeam support modules 400 are provided in the length direction of the basic frame beam 110, the welding requirements of vehicle underframes 02 of different lengths can also be met, thereby improving the overall versatility of the welding device.

[0046] As preferred, the universal urban rail vehicle chassis 02 group welding device further comprises a press-fitting module 500, and the press-fitting module 500 comprises a gantry support frame 510 and an oil press 520; the gantry support frame 510 is movably arranged between the two base frame beams 110 in the first direction, that is, the gantry support frame 510 can move along the base frame beam 110, and the movable oil press 520 is arranged below the beam in the horizontal direction of the gantry support frame 510, that is, the oil press 520 can move along the beam in the horizontal direction of the gantry support frame 510, and the gantry support frame 510 is also arranged in the second direction in this embodiment, that is, the gantry support frame 510 extends in the direction perpendicular to the length direction of the two base frame beams 110.

[0047] In this embodiment, the oil press 520 can move in the third direction, that is, the movable end of the oil press 520 can move up and down, which is arranged to prevent the to-be-welded parts from being not level in the horizontal direction after the chassis 02 of the vehicle and the two side beams 01 are fixed in place; by moving the gantry support frame 510 to change its position on the base frame beam 110 and moving the oil press 520 so that the oil press 520 can move to the position that needs to be flattened, starting the oil press 520 to press down, so that the chassis 02 of the vehicle and the two side beams 01 are installed in place, and then the welding of the two is facilitated, and thus the welding quality of the chassis 02 of the vehicle and the side beams 01 is improved.

[0048] Of course, the number of oil presses 520 mounted on the gantry support frame 510 can be selected according to actual conditions, and two are preferred in this embodiment.

[0049] In this embodiment, the semi-fixed side beam support module 200 comprises a first base 210, a semi-fixed support seat 220 and a locking bolt, and the first base 210 is uniformly spaced and mounted on one of the base frame beams 110, wherein the number and spacing distance of the first base 210 can be adjusted according to actual conditions, as long as the side beam 01 can be stably supported, and the semi-fixed support seat 220 is directly fixed and mounted on the first base 210 by the locking bolt, which is a common ordinary screw.

[0050] In addition, the movable side beam support module 300 comprises a second base 310 and a movable support seat 320, and the second base 310 is also uniformly spaced and mounted on the other base frame beam 110, but unlike the semi-fixed side beam support module 200, the upper end surface of the second base 310 is provided with two parallel guide rails 330 in the second direction, that is, perpendicular to the direction of the two base frame beams 110, and the bottom of the movable support seat 320 is provided with a sliding block 340 that can cooperate with the guide rail 330 at the position corresponding to the guide rail 330, wherein two sliding blocks 340 are provided corresponding to each guide rail 330, which greatly increases the stability of the semi-fixed side beam support module 200 when moving.

[0051] That is, the width between the two side beams 01 can be changed by moving the movable support seat 320 closer to or farther away from the semi-fixed side beam support module 200, so as to adapt to the welding of vehicle chassis 02 of different models.

[0052] Further, the second base 310 is provided with a limiting device 350 at both ends in the second direction, in order to prevent the movable support seat 320 from falling off the second base 310 during movement, the limiting device 350 is arranged at both ends of the guide rail 330 on the second base 310.

[0053] In the embodiment, the cross beam support module 400 includes a cross beam 410 and a plurality of cross beam support seats 420, the cross beam 410 is detachably arranged between the two base frame beams 110 in the second direction, in addition, in order to facilitate supporting the vehicle chassis 02, a plurality of cross beam support seats 420 which can be detached, replaced and moved are arranged on the upper end surface of the cross beam 410, each time when supporting the chassis 02 of the vehicle, the workers first select the appropriate number of cross beam support seats 420 according to the width of the chassis 02, and then fix and install these cross beam support seats 420 in the appropriate position, so as to better support the chassis 02.

[0054] Further, the upper end surface of the cross beam 410 can be provided with a moving groove, at the same time, a moving protrusion matched with the moving groove is arranged at the bottom of the cross beam support seat 420, in this way, when the cross beam support seat 420 is not fixed, the cross beam support seat 420 can be more conveniently moved; in the embodiment, a plurality of bolt holes are arranged on the upper end surface of the cross beam 410, the bolt holes are uniformly and spaced arranged, correspondingly, bolt holes are also arranged on the moving protrusion of the cross beam support seat 420, in this way, when it is necessary to fix and install the cross beam support seat 420, only need to move the cross beam support seat 420 to the right position, that is, the bolt holes on the moving protrusion are matched with the bolt holes on the cross beam 410, and then the bolts are screwed in to complete the fixing.

[0055] It can be understood that the movable side beam support module 300 also includes a pushing device 360, the pushing device 360 is installed on the base frame beam 110 on which the movable side beam support module 300 is installed, and the pushing device 360 is located outside the two base frame beams 110, the pushing device 360 is directly connected with the movable support seat 320, and can drag the movable support seat 320 to move when it is necessary to adjust the width between the two side beams 01; it should be noted that the pushing device 360 can be selected as manpower or mechanical pushing, the mechanical pushing can be selected as a hydraulic cylinder, and the text does not make specific limitation, as long as it meets the requirements.

[0056] In this embodiment, the number of semi-fixed side beam support modules 200 and movable side beam support modules 300 is not only the same, but also corresponds one to one in the second direction, that is, each semi-fixed side beam support module 200 corresponds to a movable side beam support module 300 in the width direction. This arrangement makes the support of the side beam 01 more stable.

[0057] In addition, in this embodiment, the movement of the gantry support frame 510 is achieved through the cooperation between the roller 511 and the guide rail beam 512. Figure 5 As shown, rollers 511 are provided at the bottom of the two vertical support legs of the gantry support frame 510. Correspondingly, guide rail beams 512 matching the rollers 511 are provided on the two outer sides of the basic frame beam 110, so that the movement of the gantry support frame 510 is smoother, more convenient and faster.

[0058] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0059] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0060] The above is a detailed introduction to the embodiments provided by the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only intended to help understand the method and core concept of the present invention. It should be noted that, for those skilled in the art, without departing from the principles of the present invention, various improvements and modifications may be made to the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A universal urban rail vehicle underframe welding device, characterized in that: include: A basic support module (100) includes two parallel and spaced basic frame beams (110); A plurality of semi-fixed side beam support modules (200) are installed at intervals along a first direction on one of the basic frame beams (110) for supporting one of the side beams (01) of the urban rail vehicle; A plurality of movable side beam support modules (300) are installed at intervals on another of the basic frame beams (110) along the first direction, and the movable side beam support modules (300) are movable along a second direction to support another side beam (01) of the urban rail vehicle; A plurality of crossbeam support modules (400) are arranged across the two basic frame beams (110) along the second direction, and the plurality of crossbeam support modules (400) are arranged at intervals, and the crossbeam support modules (400) are used to support the underframe (02) of the urban rail vehicle.

2. The universal urban rail vehicle underframe assembly welding device according to claim 1, characterized in that: It also includes a press-fitting module (500), the press-fitting module (500) including: A gantry support frame (510) is movably arranged in the first direction and spans between the two basic frame beams (110); The hydraulic press (520) is movably hoisted on the gantry support frame (510), and the movable end of the hydraulic press (520) is movable along a third direction. The hydraulic press (520) is used to press down the underframe (02) of the urban rail vehicle so that the underframe (02) and the side beam (01) are located in the same plane.

3. The universal urban rail vehicle underframe assembly welding device according to claim 1, characterized in that: The semi-fixed side beam support module (200) comprises a first base (210), a semi-fixed support seat (220) and a locking bolt, wherein the first base (210) is evenly spaced and mounted on one of the basic frame beams (110), and the semi-fixed support seat (220) is mounted on the first base (210) via the locking bolt.

4. The universal urban rail vehicle underframe assembly welding device according to claim 3, characterized in that: The movable side beam support module (300) includes a second base (310) and a movable support base (320), wherein the second base (310) is evenly spaced and installed on another of the basic frame beams (110), and a guide rail (330) is provided on the upper end surface of the second base (310) along the second direction, and a slider (340) is provided at the bottom of the movable support base (320) to cooperate with the guide rail (330), and the movable support base (320) is movably installed on the second base (310) via the slider (340).

5. The universal urban rail vehicle underframe assembly welding device according to claim 4, characterized in that: Limiting devices (350) are provided at both ends of the second base (310) in the second direction.

6. The universal urban rail vehicle underframe assembly welding device according to claim 1, characterized in that: The beam support module (400) comprises a beam (410) and a plurality of beam support seats (420), wherein the beam (410) is detachably arranged between the two basic frame beams (110), and the plurality of beam support seats (420) are movably mounted on the upper end surface of the beam (410).

7. The universal urban rail vehicle underframe assembly welding device according to claim 6, characterized in that: The upper end surface of the crossbeam (410) is provided with a movable groove, and the bottom of the crossbeam support seat (420) is provided with a movable protrusion matching the movable groove. A plurality of bolt holes are provided on the upper end surface of the crossbeam (410) and the movable protrusion, and the crossbeam support seat (420) is fixed to the crossbeam (410) by bolts.

8. The universal urban rail vehicle underframe assembly welding device according to claim 1, characterized in that: The movable side beam support module (300) further includes a propulsion device (360), the propulsion device (360) being installed on the base frame beam (110) on which the movable side beam support module (300) is installed, and the propulsion device (360) is located outside the two base frame beams (110), and the propulsion device (360) is used to provide power for the movable side beam support module (300) to move.

9. The universal urban rail vehicle underframe assembly welding device according to claim 1, characterized in that: The number of the semi-fixed side beam support modules (200) and the movable side beam support modules (300) is the same, and they correspond one to one in the second direction.

10. The universal urban rail vehicle underframe assembly welding device according to claim 2, characterized in that: The bottom of the gantry support frame (510) is provided with a roller (511), and both sides of the basic frame beam (110) are provided with guide rail beams (512) matching the roller (511).