Railway bridge connecting and fastening assembly convenient to install

By designing a connection structure that includes the main body of the connecting fastening components, railway support plates, steel beams, etc., the problem of inaccurate positioning during railway bridge installation was solved, achieving rapid, accurate connection and stability, and ensuring the safe use of railway bridges.

CN223921976UActive Publication Date: 2026-02-17LANZHOU JIAOTONG UNIV
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Patent Information

Application Number
CN202520531856.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-17
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

The existing railway bridges are not accurately positioned during installation, requiring time for precise adjustments, which is quite inconvenient.

Method used

The connection structure consists of fasteners and support connectors, including the main body of the fastening assembly, railway support plate, steel beam, rotating support plate, threaded connecting column, threaded positioning sleeve, positioning fastening seat, limit plug, L-shaped angle steel structure, etc. It achieves fast and accurate positioning through pre-embedded positioning seat and snap-fit.

Benefits of technology

This enables a rapid and precise connection between the steel beams and the railway support plates, ensuring the safe use and stability of the railway bridge.

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Abstract

The utility model relates to the technical field of railway bridge connection, in particular to a railway bridge connecting and fastening assembly convenient to install, which comprises a connecting and fastening assembly main body, a railway supporting plate and a steel beam, a threaded connecting column is arranged at the bottom of the connecting and fastening assembly body, a threaded positioning sleeve is connected to the outer portion of the threaded connecting column in a sleeving mode, positioning and fastening bases which are symmetrically designed are further arranged at the bottom of the connecting and fastening assembly body, limiting inserting rods symmetrically penetrate through the positioning and fastening bases, and the positioning and fastening bases are matched with the threaded positioning sleeve in a clamped mode; positioning nails are integrally arranged in the limiting grooves, and supporting connecting pieces matched with the positioning nails in a penetrating mode are symmetrically clamped in the limiting grooves. The railway bridge connecting and fastening assembly convenient to install is used for connection between a steel beam and a railway supporting plate, connecting and positioning treatment can be accurately and rapidly conducted, the supporting stability is guaranteed, and safe use of a railway bridge is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway bridge connection technical field, concretely is a railway bridge connection fastening assembly convenient to install. BACKGROUND

[0002] Railway bridge is the bridge specially designed and built for railway, is used to cross river, valley, road or other obstacles, ensures train safe traffic, plays a vital role in the railway system, not only needs to bear the weight of train and the dynamic load generated when running, but also resists the influence of natural environment, such as flood, snowstorm etc.Railway bridge is mainly divided into steel bridge, concrete bridge, stone arch bridge, combined bridge etc., is composed of bridge deck, girder, pier, abutment, foundation, support, protective facilities, drainage system etc.

[0003] The existing railway bridge is connected in each part by connecting assembly during construction, but the connecting assembly needs to be locked and fixed with the parts needing to be connected, and when installing, the positioning is not accurate, accurate adjustment needs to be spent time, and it is relatively inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a railway bridge connection fastening assembly convenient to install to solve the problem of the railway bridge in the market when installing, the positioning is not accurate, accurate adjustment needs to be spent time, and it is relatively inconvenient.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a railway bridge connection fastening assembly convenient to install, including connecting fastening assembly main part, railway support plate and steel beam, the connecting fastening assembly main part is equipped with the support plate and the threaded connection column of rotation connection, and the threaded connection column is externally equipped with the threaded positioning sleeve of connection, the connecting fastening assembly main part bottom is also equipped with the positioning fastening seat of symmetrical design, and the limiting insertion rod is penetrated between the symmetrical positioning fastening seat, and the positioning fastening seat and threaded positioning sleeve are clamped and cooperate, the support plate is equipped with the limiting slot, and the limiting slot is integrally equipped with the positioning nail, and the limiting slot is symmetrically clamped with the support connecting piece of the positioning nail penetration cooperation, the positioning fastening seat outside is respectively fixed with fastener, and fastener and support connecting piece are all L type angle steel structure, and the telescopic filling joint is clamped between support connecting piece, the connecting fastening assembly main part below is equipped with the precast beam plate, and the precast beam plate upper end evenly spaced embedded with the preburied positioning seat of U type structure, and the positioning fastening seat is clamped in the preburied positioning seat.

[0006] Preferably, the U-shaped structure of the pre-buried positioning seat is provided with a beveled structure at both ends of both sides, and a connecting hole with a circular hole structure is evenly and spaced provided on the pre-buried positioning seat.

[0007] Preferably, the positioning fastening seat is internally provided with a T-shaped structure through hole, and the inner side of the positioning fastening seat is integrally provided with a clamping protrusion.

[0008] Preferably, the fastener is provided with a fastening hole and a pre-positioning hole, the fastening hole and the pre-positioning hole correspond to the positions of the connecting holes respectively, the fastening hole is a circular hole structure, the pre-positioning hole is an oblong hole structure, and the pre-positioning hole is located between the fastening holes.

[0009] Preferably, the support plate is further provided with uniformly spaced screw holes, and the support connecting piece is provided with through holes corresponding to the positions of the screw holes.

[0010] Preferably, the threaded connecting column is provided with a through shaft pin insertion hole on the upper side of the side surface, and the length of the threaded connecting column is greater than the depth of the threaded positioning sleeve.

[0011] Preferably, the threaded positioning sleeve is provided with a deviation preventing limiting groove on the outer side, the deviation preventing limiting groove corresponds to the position of the clamping protrusion, and the deviation preventing limiting groove is clamped and fastened with the clamping protrusion.

[0012] Preferably, the steel beam is uniformly welded and fixed with a steel beam shear pin on the upper end, and the precast beam plate is precast and fixed on the steel beam through the steel beam shear pin.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the railway bridge connecting fastening assembly convenient to install is used for the connection between the steel beam and the railway support plate, can accurately and quickly perform connection positioning treatment, and guarantees the support stability, ensures the safe use of the railway bridge. The railway bridge connecting fastening assembly convenient to install is composed of the upper positioning structure of the support plate, the threaded connecting column and the threaded positioning sleeve, can be fixed with the railway support plate, is composed of the lower positioning structure of the positioning fastening seat and the precast beam plate, can be fixed with the steel beam, most of the connecting piece structures can be pre-fixed when the steel beam and the railway support plate are installed and connected, and finally the clamping and fastening of the positioning fastening seat and the threaded positioning sleeve and the spacing adjustment of the support plate and the positioning fastening seat ensure the stable and reliable positioning between the steel beam and the railway support plate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the railway bridge connecting fastening assembly convenient to install.

[0015] Figure 2 It is a positioning fastening seat and threaded positioning sleeve connecting structure schematic view of the railway bridge connecting fastening assembly convenient to install.

[0016] Figure 3 It is a support plate structure schematic view of the railway bridge connecting fastening assembly convenient to install.

[0017] Figure 4 Figure is the positioning fastening seat structure diagram of the railway bridge connecting fastening assembly convenient to install of the utility model;

[0018] Figure 5 Figure is the side view of the railway bridge connecting fastening assembly convenient to install of the utility model.

[0019] In the drawing: 1, connecting fastening assembly main body;2, prefabricated beam plate;201, pre-burying positioning seat;202, connecting hole;3, positioning fastening seat;301, limiting insertion rod;302, clamping protrusion;4, fastener;401, fastening hole;402, pre-positioning hole;5, support plate;501, positioning nail;502, support connecting piece;503, limiting slot;504, threaded hole;6, threaded connecting column;601, shaft pin insertion hole;7, threaded positioning sleeve;701, anti-deviation limiting slot;8, railway support plate;9, telescopic filling joint;10, steel beam;1001, steel beam shear nail. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5The utility model provides a kind of technical scheme: a railway bridge connecting fastening assembly convenient to install, including connecting fastening assembly main body 1, railway support plate 8 and steel beam 10, connecting fastening assembly main body 1 is equipped with rotatably connected support plate 5 and threaded connection column 6, and threaded connection column 6 is externally equipped with threaded positioning sleeve 7, threaded connection column 6 side top is equipped with the shaft pin insertion hole 601 that penetrates, and the length of threaded connection column 6 is greater than the depth of threaded positioning sleeve 7, this structure by inserting the rod structure into shaft pin insertion hole 601, the rotation drive of threaded connection column 6 can be carried out, threaded positioning sleeve 7 outside is equipped with anti-deviation limit groove 701, and anti-deviation limit groove 701 and the position corresponding of clamping protrusion 302, and anti-deviation limit groove 701 and clamping protrusion 302 are clamped and fastened, this structure can let threaded positioning sleeve 7 and positioning fastening seat 3 between by the cooperation of anti-deviation limit groove 701 and clamping protrusion 302 carry out firm, avoid the upward movement and rotation of threaded positioning sleeve 7, connecting fastening assembly main body 1 bottom is also equipped with the positioning fastening seat 3 of symmetrical design, the section of positioning fastening seat 3 internal through-hole is T type structure, and positioning fastening seat 3 inboard is also equipped with clamping protrusion 302 integrally, this structure can be reliably positioned threaded positioning sleeve 7 by positioning fastening seat 3, let threaded connection column 6 carry out the positioning processing of rotation by threaded positioning sleeve 7, to realize the position of threaded connection column 6 relative threaded positioning sleeve 7, further adjust the spacing of support plate 5 and positioning fastening seat 3, and the limit insertion rod 301 of symmetry penetration between positioning fastening seat 3, and positioning fastening seat 3 and threaded positioning sleeve 7 clamping cooperation, support plate 5 is equipped with limit groove 503, and limit groove 503 is equipped with positioning nail 501 integrally, and limit groove 503 is symmetrically clamped with support connecting piece 502 and threaded positioning sleeve 7 penetration cooperation in positioning nail 501, support plate 5 is also evenly spaced and equipped with threaded hole 504, and support connecting piece 502 is provided with through-hole corresponding with the position of threaded hole 504, this structure can let support plate 5 carry out fixed processing by threaded hole 504 and support connecting piece 502 and railway support plate 8, fastener 4 is respectively fixed on the outside of positioning fastening seat 3, fastener 4 is equipped with fastening hole 401 and pre-positioning hole 402, and fastening hole 401 and pre-positioning hole 402 are respectively corresponding with the position of connecting hole 202, fastening hole 401 is round hole structure, and pre-positioning hole 402 is long round hole structure, and pre-positioning hole 402 is between fastening hole 401, this structure can make positioning fastening seat 3 can carry out installation fastening processing by fastener 4 by bolt fixing or welding fixing to positioning fastening seat 3, pre-positioning hole 402 can make positioning fastening seat 3 can be pre-positioned by long round hole design, by the spacing that can accommodate threaded positioning sleeve 7 clamping in between design to positioning fastening seat 3, can make the support plate 5 and positioning fastening seat 3 of connecting fastening assembly main body 1 respectively with railway support plate 8 and steel beam 10 connection, again through the connection between support plate 5 and positioning fastening seat 3, realize quick fastening processing,Most of the connecting structure can be pre-installed, greatly convenient for connecting operation, and the fastener 4 and the support connecting piece 502 are both L-shaped angle steel structures, and the support connecting pieces 502 are clamped with the expansion filling joint 9, the lower part of the connecting fastening assembly body 1 is provided with the precast beam plate 2, the two ends of the U-shaped structure of the pre-buried positioning seat 201 are respectively provided with inclined structures, and the pre-buried positioning seat 201 is uniformly and spaced apart from the connecting hole 202 with a round hole structure, this structure can make the pre-buried positioning seat 201 position the positioning fastening seat 3 through the connecting hole 202, and the pre-buried positioning seat 201 is used for limiting the positioning fastening seat 3, and the upper end of the precast beam plate 2 is uniformly and spaced apart from the pre-buried positioning seat 201 with a U-shaped structure, and the positioning fastening seat 3 is clamped in the pre-buried positioning seat 201, the steel beam 10 is uniformly and spaced apart from the steel beam shear stud 1001 welded and fixed on the upper end, and the precast beam plate 2 is precast and fixed on the steel beam 10 through the steel beam shear stud 1001, this structure can make the precast beam plate 2 and the steel beam 10 stable, so that the positioning fastening seat 3 is connected with the precast beam plate 2 and the steel beam 10.

[0022] Working principle: when using the convenient-to-install railway bridge connecting fastening assembly, first, the steel beam shear pin 1001 is welded on the steel beam 10, the prefabricated beam plate 2 is prefabricated and fixed on the steel beam 10 through the steel beam shear pin 1001, the embedded positioning seat 201 provided with the connecting hole 202 is also embedded and fixed on the prefabricated beam plate 2, when the steel beam 10 is connected with the railway support plate 8, the positioning and fastening seat 3 is clamped in the embedded positioning seat 201, and the positioning and fastening seat 3 is inserted and stably treated by the limiting insertion rod 301, and the gap between the positioning and fastening seat 3 is matched, the pre-positioning and stable treatment of the positioning and fastening seat 3 is carried out through the cooperation of the pre-positioning hole 402 and the embedded positioning seat 201, the support connecting piece 502 is pre-fixed on the support plate 5 through the positioning pin 501 and the limiting groove 503, the railway support plate 8 is clamped with the support connecting piece 502, and the railway support plate 8, the support connecting piece 502 and the support plate 5 are fastened through the threaded hole 504 by high-strength bolts, then the railway support plate 8 is hoisted above the steel beam 10, the threaded connecting column 6 installed at the bottom of the support plate 5 is clamped between the positioning and fastening seat 3, the pre-connection and stability of the railway support plate 8 and the steel beam 10 are realized, then the bolt at the pre-positioning hole 402 is loosened, the positioning and fastening seat 3 is pushed to move, the threaded positioning sleeve 7 outside the threaded connecting column 6 is clamped, the clamping protrusion 302 is clamped into the anti-deviation limiting groove 701, the stability of the threaded positioning sleeve 7 and the positioning and fastening seat 3 is ensured, then the fastener 4 is stably treated through the cooperation of the fastening hole 401 and the connecting hole 202, the threaded connecting column 6 can be threaded connected with the threaded positioning sleeve 7 through the shaft pin insertion hole 601 penetrating the rod-shaped structure, so as to adjust the distance between the positioning and fastening seat 3 and the support plate 5, and then adjust the distance between the railway support plate 8 and the steel beam 10, during the installation process, the connecting fastening assembly body 1 can effectively ensure the positioning accuracy of each part, finally, the telescopic filling joint 9 is installed between the support connecting pieces 502, so as to complete a series of work.

[0023] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the 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 railway bridge connection fastening assembly for easy installation comprising a connection fastening assembly body (1), a railway support plate (8) and a steel beam (10), characterized in that: The connecting fastening assembly body (1) is provided with a rotatingly connected support plate (5) and a threaded connecting column (6), a threaded positioning sleeve (7) is connected to the threaded connecting column (6), the connecting fastening assembly body (1) is further provided with symmetrically designed positioning fastening seats (3) at the bottom, a limiting insertion rod (301) penetrates between the positioning fastening seats (3) symmetrically, the positioning fastening seats (3) are in clamping cooperation with the threaded positioning sleeve (7), a limiting groove (503) is formed in the support plate (5), a positioning nail (501) is integrally arranged in the limiting groove (503), and a support connecting piece (502) penetratingly matched with the positioning nail (501) is symmetrically clamped in the limiting groove (503), fasteners (4) are respectively fixed to the outer sides of the positioning fastening seats (3), the fasteners (4) and the support connecting piece (502) are both L-shaped angle steel structures, and a telescopic filling joint (9) is clamped between the support connecting pieces (502), a precast beam plate (2) is arranged below the connecting fastening assembly body (1), U-shaped pre-buried positioning seats (201) are uniformly and intervally embedded in the upper end of the precast beam plate (2), and the positioning fastening seats (3) are clamped in the pre-buried positioning seats (201).

2. A railway bridge connection fastening assembly for ease of installation according to claim 1 characterised in that: The U-shaped structure of the pre-buried positioning seat (201) is provided with inclined opening structures at both ends of the two sides, and the pre-buried positioning seat (201) is uniformly and intervally provided with connecting holes (202) of a round hole structure.

3. A railway bridge connection fastening assembly for ease of installation according to claim 1, characterized in that: The inner through hole of the positioning fastening seat (3) is of a T-shaped structure, and a clamping protrusion (302) is further integrally arranged on the inner side of the positioning fastening seat (3).

4. A railway bridge connection fastening assembly for ease of installation according to claim 1, characterized in that: Fastening holes (401) and pre-positioning holes (402) are formed in the fasteners (4), the fastening holes (401) and the pre-positioning holes (402) correspond to the positions of the connecting holes (202) respectively, the fastening holes (401) are circular hole structures, the pre-positioning holes (402) are long circular hole structures, and the pre-positioning holes (402) are located between the fastening holes (401).

5. A railway bridge connection fastening assembly for ease of installation according to claim 1, characterized in that: Threaded holes (504) are further uniformly and intervally formed in the support plate (5), and through holes corresponding to the positions of the threaded holes (504) are arranged on the support connecting piece (502).

6. A railway bridge connection fastening assembly for ease of installation according to claim 1, characterized in that: An axially inserted hole (601) is formed in the upper side of the side surface of the threaded connecting column (6), and the length of the threaded connecting column (6) is greater than the depth of the threaded positioning sleeve (7).

7. A railway bridge connection fastening assembly for ease of installation according to claim 1, characterized in that: A deviation preventing limiting groove (701) is formed in the outer side surface of the threaded positioning sleeve (7), the deviation preventing limiting groove (701) corresponds to the position of the clamping protrusion (302), and the deviation preventing limiting groove (701) is clamped and fastened with the clamping protrusion (302).

8. A railway bridge connection fastening assembly for ease of installation according to claim 1, characterized in that: Steel beam shear nails (1001) are uniformly and intervally welded and fixed to the upper end of the steel beam (10), and the precast beam plate (2) is pre-fixed to the steel beam (10) through the steel beam shear nails (1001).