Urban rail vehicle roof camber beam positioning device

Abstract

The utility model relates to the technical field of rail vehicle camber beam positioning, in particular to an urban rail vehicle roof camber beam positioning device which comprises a camber beam body and a positioning device, a sliding groove is formed in the lower portion of the inner side of a base, a check block connecting rod is arranged on the surface of one side of a positioning check block, and a compression spring is arranged on the inner side of the end portion of the surface of the bottom end of the check block connecting rod. A stop plate is arranged on the surface of the bottom end of the sleeve, a limiting piece is arranged on the surface of the bottom end of the downward pressing rod, extension springs are arranged at the two ends of the surface of the top end of the limiting piece, rebound springs are arranged on the two sides of the surface of the top end of the sleeve, and rotating tables are arranged on the surfaces of the top ends of the rebound springs. The technology can be matched with a groove track to achieve interval adjustment, supporting camber beam orientation adjustment and supporting camber beam single-piece size adjustment at the same time, the tool manufacturing cost needed during vehicle model changing can be effectively and greatly reduced, the tool structure flexibility is enhanced, and the overall practical performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail vehicle bending beam positioning technical field especially relates to a city rail vehicle roof bending beam positioning device. BACKGROUND

[0002] Through the retrieval existing announcement number for CN208593389U's Chinese patent document, disclose a kind of applied to city / underground car roof lower side beam, including roof lower side beam, straight edge I, straight edge II, straight edge III, bend I and bend II;Through the above design, the utility model can satisfy the various requirements of modern city rail, subway roof lower side beam, and strength is improved, can satisfy the need of city rail, subway car long time work;Meanwhile, the utility model surface has no defect, will not cause unnecessary safety problem.

[0003] City rail vehicle roof bending beam is an important component in the structure of city rail vehicle body, usually made of high-strength steel, has high strength and toughness, can withstand various loads and impact forces during vehicle driving. The design of the roof bending beam takes into account the carrying capacity and safety of the vehicle, as well as the vibration and noise of the body, to ensure the overall stability and safety of the body structure.

[0004] Currently, the city rail vehicle roof bending beam adopts a whole bending beam support structure, which cannot change the position of the support point. When the size between the bending beams changes due to the change of production model, the whole support plate needs to be replaced, which cannot be adjusted. The current bending beam support is a whole laser cutting blank, so the size of the single bending beam that can be supported cannot be adjusted, such as the replacement of the bending beam type. At the same time, due to the whole support structure, the bending beam cannot be adjusted if the orientation changes. SUMMARY

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a city rail vehicle roof bending beam positioning device, which aims to solve the technical problem that the current city rail vehicle roof bending beam adopts a whole bending beam support structure, which cannot change the position of the support point. When the size between the bending beams changes due to the change of production model, the whole support plate needs to be replaced, which cannot be adjusted. The current bending beam support is a whole laser cutting blank, so the size of the single bending beam that can be supported cannot be adjusted, such as the replacement of the bending beam type. At the same time, due to the whole support structure, the bending beam cannot be adjusted if the orientation changes.

[0006] To solve the above technical problems, the utility model provides the following technical solutions:

[0007] The utility model relates to a kind of urban rail vehicle roof bent beam positioning device, including bent beam body and positioning device, the bent beam body includes Z-shaped bent beam and recessed groove type bent beam, the positioning device includes pedestal, the lower part of the inboard of the pedestal is provided with sliding slot, the top surface end of the pedestal is provided with locating stopper, the side surface of the locating stopper is provided with stopper connecting rod, the bottom end surface end inboard of the stopper connecting rod is provided with compression spring, the other end inboard of the pedestal is provided with rotary groove, the inboard of the rotary groove is provided with sleeve, the bottom end surface of the sleeve is provided with stop plate, the inside top end surface of the sleeve is provided with clamping groove, the inboard of the sleeve is provided with down rod, the bottom end surface of the down rod is provided with limit piece, the top end surface both ends of the limit piece are provided with stretch spring, the bottom end surface both sides and the inboard upper side surface both sides of the rotary groove are provided with magnetic attraction piece, the top end surface both sides of the sleeve are provided with rebound spring, the top end surface of the rebound spring is provided with rotary table.

[0008] As further description of the above technical solution:

[0009] The locating stopper and the stopper connecting rod are integrally arranged, the stopper connecting rod end is T-shaped, and is arranged in the sliding slot.

[0010] As further description of the above technical solution:

[0011] The sleeve and the down rod are fixedly connected, the top inboard of the sleeve is provided with a down rod telescopic groove body, the down rod and the limit piece are fixedly connected, the limit piece is T-shaped, and the limit piece bottom end surface protrusion is correspondingly arranged with the clamping groove.

[0012] As further description of the above technical solution:

[0013] The stretch spring two ends are respectively connected and fixed with the limit piece and the sleeve inboard top end surface both sides, the pedestal and the magnetic attraction piece are fixedly connected, the rotary groove and the rotary table are fixedly connected through bolt, the rotary groove is cylindrical, and the cross section is convex.

[0014] As further description of the above technical solution:

[0015] The rebound spring two ends are respectively connected and fixed with the sleeve and the rotary table, the sleeve is connected with the rotary table through the rebound spring, can rotate in the rotary groove, and realizes the automatic rebound clamping action of down rod and sleeve in cooperation with the rebound spring.

[0016] The utility model has the following beneficial effects:

[0017] In this invention, since the position of the curved beam support changes in different roof structures during vehicle model changes, this technology, in conjunction with the grooved track, can achieve spacing adjustment, curved beam orientation adjustment, and single-piece size adjustment of the curved beam. This can effectively and significantly reduce the tooling manufacturing cost required during vehicle model changes, enhance the flexibility of the tooling structure, and improve overall practicality. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Fig. 1 This is a schematic diagram of the Z-shaped curved beam cross-section of the positioning device and the curved beam body structure of this utility model;

[0020] Fig. 2 This is a schematic diagram of the positioning device and the cross-section of the groove-shaped curved beam of the curved beam body structure of this utility model;

[0021] Fig. 3 This is a schematic diagram of structure A of this utility model;

[0022] In the diagram: 1. Curved beam body; 2. Base; 3. Slide groove; 4. Positioning block; 5. Block connecting rod; 6. Compression spring; 7. Rotating groove; 8. Sleeve; 9. Stop plate; 10. Slot; 11. Downward pressure rod; 12. Limiting component; 13. Tension spring; 14. Magnetic block; 15. Rebound spring; 16. Rotating table. Detailed Implementation

[0023] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0024] In the attached diagram, all identical reference numerals refer to the same components.

[0025] Example 1

[0026] Reference Figs. 1-3The utility model provides an embodiment: a kind of city rail vehicle roof bent beam positioning device, including bent beam body 1 and positioning device, bent beam body 1 includes Z-shaped bent beam and recessed groove type bent beam, positioning device includes pedestal 2, the lower part of the inner side of pedestal 2 is provided with sliding groove 3, the top end surface end of pedestal 2 is provided with positioning stopper 4, the surface of one side of positioning stopper 4 is provided with stopper connecting rod 5, the bottom end surface end of stopper connecting rod 5 is provided with compression spring 6 inside, the other end of pedestal 2 is provided with rotating groove 7 inside, rotating groove 7 is provided with sleeve 8 inside, the bottom end surface of sleeve 8 is provided with stop plate 9, the inside top end surface of sleeve 8 is provided with clamping groove 10, the inside of sleeve 8 is provided with lower pressure rod 11, the bottom end surface of lower pressure rod 11 is provided with limit piece 12, the top end surface both ends of limit piece 12 are provided with stretch spring 13, the bottom end surface both sides and the inside upper portion both sides surface of rotating groove 7 are provided with magnetic attraction piece 14, the both sides of the top end surface of sleeve 8 are provided with rebound spring 15, and the top end surface of rebound spring 15 is provided with rotating table 16.

[0027] Positioning stopper 4 and stopper connecting rod 5 are integrally arranged, and the end of stopper connecting rod 5 is T-shaped, which is arranged in the inner side of sliding groove 3, and the two ends of compression spring 6 are respectively connected and fixed with the end of stopper connecting rod 5 and the inner wall of sliding groove 3, and sleeve 8 and stop plate 9 are fixedly connected, and stop plate 9 is a semicircular plate.

[0028] Sleeve 8 and lower pressure rod 11 are fixedly connected, and the inside top end of sleeve 8 is provided with lower pressure rod 11 telescopic groove body, and lower pressure rod 11 and limit piece 12 are fixedly connected, and limit piece 12 is T-shaped, and the bottom end surface bump of limit piece 12 is correspondingly arranged with clamping groove 10.

[0029] The two ends of stretch spring 13 are respectively connected and fixed with the inside top end surface both sides of limit piece 12 and sleeve 8, pedestal 2 and magnetic attraction piece 14 are fixedly connected, rotating groove 7 and rotating table 16 are fixedly connected through bolt, and rotating groove 7 is a cylinder, and the cross section is convex.

[0030] The two ends of rebound spring 15 are respectively connected and fixed with sleeve 8 and rotating table 16, and sleeve 8 is connected with rotating table 16 through rebound spring 15, can rotate in rotating groove 7, and realizes the automatic rebound clamping effect of lower pressure rod 11 and sleeve 8 in cooperation with rebound spring 15.

[0031] Specifically, the structure is formed by the bending beam body 1, the base 2, the sliding groove 3, the positioning block 4, the block connecting rod 5, the compression spring 6, the rotating groove 7, the sleeve 8, the stop plate 9, the clamping groove 10, the pressing rod 11, the limiting part 12, the tension spring 13, the magnetic block 14, the rebound spring 15, and the rotating table 16 to form the metro vehicle roof bending beam positioning device. The bending beam body 1 is used as a part of the metro vehicle body structure to bear and disperse the load of the roof part, increase the rigidity and stability of the vehicle body, the base 2 is used as the basis of the overall structure of the metro vehicle roof bending beam positioning device to bear the load, the sliding groove 3 enables the positioning block 4 to slide in space, the positioning block 4 cooperates with the block connecting rod 5 to adjust the size of the chuck according to the size of the clamped bending beam through the compression spring 6, the block connecting rod 5 extends to contact the positioning block 4 and the compression spring 6, the compression spring 6 adjusts the spacing of the positioning block 4, the rotating groove 7 enables the sleeve 8 and the pressing rod 11 to rotate and press down, the sleeve 8 and the pressing rod 6 cooperate with the stop plate 9 to realize the automatic rebound clamping function through the tension spring 13 and the rebound spring 15, the stop plate 9 rotates to realize quick fixing or removal from the groove slide, the clamping groove 10 and the limiting part 12 are preliminarily docked during use, and there is a clamping sound after clamping to remind the staff to operate, and the pressing rod 6 facilitates the rotation of the sleeve 8 as a whole, the pressing rod 11 connects the stop plate 9 to rotate and is fixed to the external groove slide below the base 1 through the tension of the rebound spring 15, the tension spring 13 cooperates with the rebound spring 15 to be tensioned when the pressing rod 6 operates downward, and forms two upward rebound forces when unloading to strengthen the automatic rebound reset of the sleeve 8 as a whole, the magnetic block 14 rebounds inside the rotating groove 7 when the sleeve 8 as a whole is not used, the stop plate 9 and the sleeve 8 can be fixed by being adsorbed on the bottom of the base 1 and the inside of the rotating groove 7, the rebound spring 15 applies tension to ensure that the whole is fixed to the groove track, and the rotating table 16 enables the sleeve 8 connected with the rebound spring 15 to rotate after the pressing rod 11 presses down, so that the sleeve 8 as a whole can effectively operate up and down and rotate inside the rotating groove 7. The positioning and supporting device of the metro vehicle roof bending beam positioning device cooperates with the groove track to realize the adjustment of the bending beam spacing at any time, can meet the production needs of different vehicle structures, the positioning and supporting can be adjusted according to the size of the single bending beam to be supported for clamping, so as to ensure that different bending beams can be universal, and the positioning and supporting can be turned by 180° when used with the groove track, so as to ensure that the production needs can still be met when the design bending beam changes direction, and the overall use efficiency is effectively improved.

[0032] Working principle: in use, first fix the bending beam body 1, pull the positioning block 2, put the bending beam body 1 into the positioning device, loosen the positioning block 2, then compress the spring 5 to push 3 and drive the positioning block 2 to clamp and fix the bending beam body 1. Then fix the positioning device, insert the stop plate 9 into the track parallel to the groove track direction, move the positioning device to the required position, then press down the lower pressing rod 11 through the tension spring 13, at this time the middle lug of the limiting piece 12 will be clamped into the clamping groove 10, reminding the staff that the sleeve 8 and the lower pressing rod 11 are connected, then continue to press down, make the stop plate 9 and the sleeve 8 separate from the magnetic block 14, and rotate 90°, under the condition that the sleeve 8 is rotated by the lower pressing rod 11, make the stop plate 9 become perpendicular to the groove track direction, loosen the lower pressing rod 11, cooperate with the two rebound forces of the rebound spring 15 and the tension spring 13, pull back the sleeve 8, so as to tighten the stop plate 9, after tightening to a certain position, the magnetic block 14 will adsorb and fix the stop plate 9 and the sleeve 8 at the top of the rotating groove 7, at this time it is perpendicular to the track groove, so the stop plate 9 and the base 1 will clamp the track together, and then realize the position fixing effect.

[0033] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A positioning device for the roof bending beam of a city vehicle, comprising a bending beam body (1) and a positioning device, characterized in that, The bending beam body (1) includes Z-shaped bending beam and groove-shaped bending beam, the positioning device includes a base (2), the inner side of the lower part of the base (2) is provided with a sliding groove (3), the top end surface of the base (2) is provided with a positioning stop block (4), one side surface of the positioning stop block (4) is provided with a stop block connecting rod (5), the bottom end surface of the stop block connecting rod (5) is provided with a compression spring (6) inside the end surface, the other end of the base (2) is provided with a rotating groove (7) inside, the rotating groove (7) is provided with a sleeve (8) inside, the bottom end surface of the sleeve (8) is provided with a stop plate (9), the inside of the sleeve (8) is provided with a clamping groove (10) at the top end surface, the inside of the sleeve (8) is provided with a pressing rod (11), the bottom end surface of the pressing rod (11) is provided with a limiting piece (12), the top end surface of the limiting piece (12) is provided with a tension spring (13) at both ends, the bottom end surface of the rotating groove (7) and the upper surface of both sides of the inside are provided with a magnetic block (14), the top end surface of both sides of the sleeve (8) is provided with a rebound spring (15), and the top end surface of the rebound spring (15) is provided with a rotating table (16).

2. A roof beam positioning device for a metro vehicle according to claim 1, characterized in that The positioning stop block (4) and the stop block connecting rod (5) are integrally arranged, the end of the stop block connecting rod (5) is T-shaped, and is arranged inside the sliding groove (3), the compression spring (6) is connected and fixed at both ends with the end of the stop block connecting rod (5) and the inner wall of the sliding groove (3), the sleeve (8) and the stop plate (9) are fixedly connected, and the stop plate (9) is a semicircular arc plate.

3. A roof beam positioning device for a metro vehicle according to claim 1, characterized in that, The sleeve (8) and the pressing rod (11) are fixedly connected, the sleeve (8) is provided with a telescopic groove body of the pressing rod (11) inside the top end, the pressing rod (11) and the limiting piece (12) are fixedly connected, the limiting piece (12) is T-shaped, and the protrusions on the bottom end surface of the limiting piece (12) are correspondingly arranged in the clamping groove (10).

4. A roof beam positioning device for a metro vehicle according to claim 1, characterized in that, The tension spring (13) is connected and fixed at both ends with the limiting piece (12) and the inside of the top end surface of the sleeve (8), the base (2) and the magnetic block (14) are fixedly connected, the rotating groove (7) and the rotating table (16) are fixedly connected through bolts, the rotating groove (7) is a cylindrical body and is provided in a convex section.

5. A roof beam positioning device for a metro vehicle as defined in claim 1, characterized in that The rebound spring (15) is connected and fixed at both ends with the sleeve (8) and the rotating table (16), the sleeve (8) is connected with the rotating table (16) through the rebound spring (15) and can rotate in the rotating groove (7), and the pressing rod (11) and the sleeve (8) realize automatic rebound clamping action in cooperation with the rebound spring (15).

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