Ballastless track limiting groove elastic base plate four-corner supporting and tightly-attaching tool

By designing a four-corner support tightly-fitted elastic pad plate with a combination of inner frame, elastic support and outer support frame, the problem that elastic pad plates are not easy to stick tightly at the four corners is solved, the stable resistance effect is achieved, and the physical quality of ballless track construction is improved.

CN223118770UActive Publication Date: 2025-07-18CHINA RAILWAY SHANGHAI ENG BUREAU GRP THIRD ENG CO LTD +1
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Patent Information

Application Number
CN202422487367.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-07-18
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

The elastic pads in the limit groove of the ballless track are not easily attached to the concrete groove at the arc chamfers of the four corners, resulting in hollows during construction of the track bed plate and affecting the physical quality control.

Method used

A four-corner support tightly-fitted tool for ballless track limit groove elastic pad plate is designed, including an inner frame, an elastic support member and an outer support frame, forming a stable support structure through hinged connection, and a guide tube and a guide rod are provided on the inner side wall of the frame to match the pad plate to adapt to the limit groove of different sizes.

Benefits of technology

The stable retention of the elastic cushion layer on the side wall of the limit groove is achieved, ensuring effective adhesion of the elastic cushion layer, avoiding hollows during construction, and improving construction quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223118770U_ABST
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Abstract

The utility model relates to the related technical field of track construction, in particular to a ballastless track limiting groove elastic base plate four-corner supporting and tightly-attaching tool which comprises an inner frame body, elastic supporting pieces and an outer supporting frame body. First-stage hinge seats are fixedly welded to the outer side walls of the four corners of the inner frame body, the inner side ends of the elastic supporting pieces are hinged to the first-stage hinge seats, the outer supporting frame body is arranged in an L shape, and second-stage hinge seats are fixedly welded to the corners of the inner side wall of the outer supporting frame body; according to the ballastless track limiting groove elastic cushion plate four-corner supporting and tightly-attaching tool, the inner frame body, the elastic supporting piece and the outer supporting frame body are combined to form the ballastless track limiting groove elastic cushion plate four-corner supporting and tightly-attaching tool, and therefore under the elastic supporting effect of the elastic supporting piece, the outer supporting frame body stably abuts against an elastic cushion layer attached to the side wall of a limiting groove; therefore, the sticking effect of the elastic cushion layer is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of track construction, in particular to a four-corner support and close-fitting tool for an elastic pad in a ballastless track limit groove. Background Technique

[0002] During the actual construction of the elastic pad in the ballastless track limit groove, since the splicing seam is located at the four-corner arc chamfer when the elastic cushion layer is pasted around the limit groove, and due to the resistance of the elastic pad and foam board materials themselves, it is not easy to closely paste with the concrete groove when bending, and cavities will occur during the construction of the ballast bed plate limit concrete, which is not conducive to the control of the entity quality. Therefore, the utility model provides a four-corner support and close-fitting tool for an elastic pad in a ballastless track limit groove to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a four-corner support and close-fitting tool for an elastic pad in a ballastless track limit groove to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A four-corner support and close-fitting tool for an elastic pad in a ballastless track limit groove, the four-corner support and close-fitting tool for an elastic pad in a ballastless track limit groove includes:

[0005] An inner frame body, the inner frame body is of a rectangular frame structure, and first-stage hinge seats are fixedly welded on the outer side walls at the four corners of the inner frame body;

[0006] An elastic support member, the inner end of the elastic support member is hinged to the first-stage hinge seat;

[0007] An outer support frame body, the outer support frame body is arranged in an L shape, and second-stage hinge seats are fixedly welded at the inner side wall corners of the outer support frame body, and the outer end of the outer support frame body is hinged to the second-stage hinge seat;

[0008] The inner frame body, the elastic support member, and the outer support frame body are arranged and installed in the limit groove on the ballastless track during actual use, an elastic cushion layer is adhesively installed on the side wall of the limit groove, and the outer side surface of the elastic cushion layer abuts against the support frame body.

[0009] Preferably, a grip rod is fixedly welded on the upper side of the inner frame body.

[0010] Preferably, a transverse guide tube is fixedly welded on the inner side wall of the transverse plate of the outer support frame body, and a longitudinal guide tube is fixedly welded on the inner side wall of the longitudinal plate of the outer support frame body. During actual installation of the outer support frame body, a transverse guide rod is movably inserted into the transverse guide tubes on adjacent outer support frames, and a longitudinal guide rod is movably inserted between the longitudinal guide tubes on adjacent outer support frames.

[0011] Preferably, when the inner frame body, the elastic support member, and the outer support frame body are actually installed, a backing plate is provided at the gap between adjacent outer support frame bodies. When the backing plate is actually installed, the inner and outer sides of the backing plate are respectively abutted against the guide rod and the elastic cushion layer.

[0012] Preferably, the elastic support member is composed of a damping rod, an adjustment seat, and a support tube. The root of the damping rod is hingedly connected to the secondary hinge seat.

[0013] Preferably, an external thread structure is provided at the outer end of the telescopic rod on the damping rod. The adjustment seat is threadedly connected to the telescopic rod. An annular rotating protrusion is integrally formed on the inner side wall of the support tube. An annular rotating groove is provided on the outer side wall of the adjustment seat. The support tube is rotatably connected to the adjustment seat. When the adjustment seat is actually installed, the rotating protrusion is arranged in the annular rotating groove in a matching manner. A hinge joint is integrally formed at the inner end of the support tube. The hinge joint is hingedly connected to the primary hinge seat.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By providing a ballastless track limit groove elastic pad four-corner support and close-fitting tooling composed of an inner frame body, an elastic support member, and an outer support frame body, under the elastic support of the elastic support member, the outer support frame body can stably abut against the elastic cushion layer pasted on the side wall of the limit groove, thereby ensuring the pasting effect of the elastic cushion layer;

[0016] 2. By providing a transverse guide tube and a longitudinal guide tube on the inner side wall of the outer support frame body, respectively providing a transverse guide rod and a longitudinal guide rod in the transverse guide tube and the longitudinal guide tube, and providing a backing plate, the tooling can achieve a relatively comprehensive abutting effect on the elastic cushion layer when constructing limit grooves of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the inner frame body of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the outer support frame body of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the elastic support member of the present utility model;

[0021] Figure 5 is Figure 4 a schematic enlarged view of the structure at A in

[0022] Figure 6This is the actual usage effect diagram of the utility model;

[0023] Figure 7 It is Figure 6 The enlarged schematic diagram of the structure at position B in

[0024] In the figure: inner frame body 1, elastic support member 2, outer support frame body 3, ballastless track 4, limit groove 5, elastic cushion layer 6, first-level hinge seat 7, second-level hinge seat 8, grip rod 9, transverse guide tube 10, longitudinal guide tube 11, transverse guide rod 12, longitudinal guide rod 13, backing plate 14, damping rod 15, adjustment seat 16, support tube 17, telescopic rod 18, annular rotating protrusion 19. Specific embodiments

[0025] In order to clearly and completely describe the purpose and technical solutions of the present utility model, and make the advantages more clear, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0026] Please refer to Figures 1-7 , the present utility model provides embodiments of the following three preferred solutions:

[0027] Embodiment 1

[0028] A ballastless track limit groove elastic cushion four-corner support and close-fitting tooling. The ballastless track limit groove elastic cushion four-corner support and close-fitting tooling includes an inner frame body 1, an elastic support member 2, and an outer support frame body 3. The inner frame body 1 is a rectangular frame structure, and first-level hinge seats 7 are fixedly welded on the outer side walls at the four corners of the inner frame body 1. The inner end of the elastic support member 2 is hingedly connected to the first-level hinge seat 7. The outer support frame body 3 is arranged in an L shape, and second-level hinge seats 8 are fixedly welded at the inner side wall corners of the outer support frame body 3. The outer end of the outer support frame body 3 is hingedly connected to the second-level hinge seat 8. The inner frame body 1, the elastic support member 2, and the outer support frame body 3 are arranged and installed in the limit groove 5 on the ballastless track 4 during actual use. An elastic cushion layer 6 is adhesively installed on the side wall of the limit groove 5, and the outer side surface of the elastic cushion layer 6 abuts against the support frame body 3. By setting the ballastless track limit groove elastic cushion four-corner support and close-fitting tooling composed of the inner frame body 1, the elastic support member 2, and the outer support frame body 3, under the elastic support of the elastic support member 2, the outer support frame body 3 can stably abut against the elastic cushion layer 6 pasted on the side wall of the limit groove 5, thus ensuring the pasting effect of the elastic cushion layer 6.

[0029] The upper side edge of the inner frame body 1 is fixedly welded with a grip rod 9. Through the setting of the grip rod 9, it is convenient for the tooling to be taken.

[0030] Embodiment 2

[0031] On the basis of Embodiment 1, a transverse guide tube 10 is fixedly welded on the inner side wall of the transverse plate of the outer support frame body 3, and a longitudinal guide tube 11 is fixedly welded on the inner side wall of the longitudinal plate of the outer support frame body 3. When the outer support frame body 3 is actually installed, a transverse guide rod 12 is movably inserted between the transverse guide tubes 10 on adjacent outer support frame bodies 3, and a longitudinal guide rod 13 is movably inserted between the longitudinal guide tubes 11 on adjacent outer support frame bodies 3. When the inner frame body 1, the elastic support member 2, and the outer support frame body 3 are actually installed, a cushion plate 14 is provided at the gap between adjacent outer support frame bodies 3. When the cushion plate 14 is actually installed, the inner and outer sides of the cushion plate 14 are respectively abutted against the guide rod and the elastic cushion layer 6. By providing the transverse guide tube 10 and the longitudinal guide tube 11 on the inner side wall of the outer support frame body 3, and by respectively providing the transverse guide rod 12 and the longitudinal guide rod 13 in the transverse guide tube 10 and the longitudinal guide tube 11, and by providing the cushion plate, the tooling can achieve a more comprehensive abutting effect on the elastic cushion layer 6 when constructing for different-sized limit grooves 5.

[0032] Embodiment 3

[0033] On the basis of Embodiment 2, the elastic support member 2 is composed of a damping rod 15, an adjustment seat 16, and a support tube 17. The root of the damping rod 15 is hinged to the secondary hinge seat 8. An external thread structure is provided on the outer side end of the telescopic rod 18 on the damping rod 15, and the adjustment seat 16 is threadedly connected to the telescopic rod 18. An annular rotating protrusion 19 is integrally formed on the inner side wall of the support tube 17, and an annular rotating groove is provided on the outer side wall of the adjustment seat 16. The support tube 17 is rotatably connected to the adjustment seat 16, and when the adjustment seat 16 is actually installed, the rotating protrusion 19 is cooperatively arranged in the annular rotating groove. A hinge head is integrally formed at the inner end of the support tube 17, and the hinge head is hinged to the primary hinge seat 7. By setting the elastic support member 2 to be composed of the damping rod 15, the adjustment seat 16, and the support tube 17, the position of the support tube 17 is adjusted through the adjustment seat 16, so as to ensure that when the tooling constructs for different-sized limit grooves 5, the elastic support force provided by the elastic support member 2 can be maintained within a suitable range.

[0034] Although the above describes the illustrative specific embodiments of the present application for the convenience of those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all application creations using the concept of the present application are within the scope of protection.

Claims

1. A four-corner support and close-fitting tooling for an elastic pad of a ballastless track limit groove, characterized in that: The four-corner support and close-fitting tooling for the elastic pad of the ballastless track limit groove includes: An inner frame body (1), the inner frame body (1) is of a rectangular frame structure, and first-stage hinge seats (7) are fixedly welded on the outer side walls at the four corners of the inner frame body (1); An elastic support member (2), the inner end of the elastic support member (2) is hinged to the first-stage hinge seat (7); An outer support frame body (3), the outer support frame body (3) is arranged in an L shape, and second-stage hinge seats (8) are fixedly welded at the corners of the inner side wall of the outer support frame body (3), and the outer end of the outer support frame body (3) is hinged to the second-stage hinge seat (8); The inner frame body (1), the elastic support member (2), and the outer support frame body (3) are arranged and installed in the limit groove (5) on the ballastless track (4) during actual use. An elastic cushion layer (6) is adhesively installed on the side wall of the limit groove (5), and the outer side surface of the elastic cushion layer (6) abuts against the support frame body (3).

2. The close-fitting tooling for four-corner support of the elastic pad in the ballastless track limit groove according to claim 1, characterized in that: A grip rod (9) is fixedly welded on the upper side of the inner frame body (1).

3. The elastic pad four-corner support and close-fitting tooling for the ballastless track limit groove according to claim 1, characterized in that: A transverse guide tube (10) is fixedly welded on the inner side wall of the transverse plate of the outer support frame body (3), and a longitudinal guide tube (11) is fixedly welded on the inner side wall of the longitudinal plate of the outer support frame body (3). When the outer support frame body (3) is actually installed, a transverse guide rod (12) is movably inserted into the transverse guide tube (10) on the adjacent outer support frame body (3), and a longitudinal guide rod (13) is movably inserted between the longitudinal guide tubes (11) on the adjacent outer support frame body (3).

4. The close-fitting tooling for four-corner support of the elastic pad for the limiting groove of the ballastless track according to claim 3, characterized in that: When the inner frame body (1), the elastic support member (2), and the outer support frame body (3) are actually installed, a cushion plate (14) is provided in the gap between the adjacent outer support frame bodies (3). When the cushion plate (14) is actually installed, the inner and outer sides of the cushion plate (14) respectively abut against the guide rod and the elastic cushion layer (6).

5. The close-fitting tooling for four-corner support of the elastic pad in the ballastless track limit groove according to claim 4, characterized in that: The elastic support member (2) is composed of a damping rod (15), an adjustment seat (16), and a support tube (17) in combination. The root of the damping rod (15) is hinged to the second-stage hinge seat (8).

6. The close-fitting tooling for four-corner support of the elastic pad for the ballastless track limit groove according to claim 5, characterized in that: An external thread structure is provided at the outer end of the telescopic rod (18) on the damping rod (15). The adjustment seat (16) is threadedly connected to the telescopic rod (18). An annular rotating protrusion (19) is integrally formed on the inner side wall of the support tube (17). An annular rotating groove is provided on the outer side wall of the adjustment seat (16). The support tube (17) is rotatably connected to the adjustment seat (16). When the adjustment seat (16) is actually installed, the rotating protrusion (19) is arranged in the annular rotating groove in a matching manner. A hinge joint is integrally formed at the inner end of the support tube (17), and the hinge joint is hinged to the first-stage hinge seat (7).