Splicing type railway bridge handguard

By designing a spliced ​​railway bridge guardrail, which uses detachable upper guardrail units, lower guardrail units, and U-shaped reinforcing plates, the problems of inconvenient transportation and easy corrosion of existing railway bridge guardrails are solved, achieving efficient construction and long service life.

CN223738477UActive Publication Date: 2025-12-30中国铁路北京局集团有限公司邯郸工务段
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Patent Information

Application Number
CN202520125287.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-30
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The existing railway bridge guardrails are of a single integrated structure, which leads to inconvenient transportation, time-consuming and labor-intensive construction operations, and the low strength of the wood makes it susceptible to corrosion, resulting in a short service life and high maintenance costs.

Method used

It adopts a modular structure, including an upper guardrail unit, a lower guardrail unit, end components, and a U-shaped reinforcing plate. It can be detachably connected by fastening components and is made of composite plastic and carbon steel materials, which enhances structural stability and convenience.

Benefits of technology

It improved construction efficiency, reduced maintenance costs, extended service life, and enhanced the stability and safety of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a splicing type railway bridge handguard. Comprising a plurality of upper handguard units, a plurality of lower handguard units inserted between the lower ends of every two adjacent upper handguard units, two end components inserted at the lower ends of the two upper handguard units located at the ends and U-shaped reinforcing plates buckled on the outer sides of all the upper handguard units. Wherein the upper handguard unit and the lower handguard unit which are adjacent are detachably connected together through at least two first fastening components, and the upper handguard unit located at the end and the end component are detachably connected together through at least two second fastening components. And a third fastening component is detachably connected between each upper guard wood unit and the U-shaped reinforcing plate. Due to the splicing type structural form and the characteristics of materials, the transportation convenience can be improved, the service life can be prolonged, in the construction operation process, operation is easy and convenient, time and labor are saved, the construction efficiency can be effectively improved, and the maintenance cost can be effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a railway bridge guard, in particular to a spliced railway bridge guard. BACKGROUND

[0002] The railway bridge guard is an important component of the railway bridge structure, and its main function is to fix the relative position of the bridge sleeper to ensure the stability and safety of the track. Figure 1 As shown in the drawings, the existing railway bridge guard is a one-piece structure, and the bottom of the railway bridge guard is provided with a plurality of limiting grooves 1, which are inserted into the bridge sleeper during installation and are fixed and connected together with the bridge sleeper by using a plurality of bolts and a plurality of matched nuts. However, the existing railway bridge guard has the following defects:

[0003] (1) The existing railway bridge guard is a one-piece structure, and the length of the railway bridge guard is relatively long and the weight is relatively heavy, which is inconvenient for transportation. In addition, when the existing railway bridge guard is installed, repaired or replaced, the whole railway bridge guard needs to be operated, which is inconvenient to operate, time-consuming and laborious, and seriously affects the construction efficiency. In addition, when part of the existing railway bridge guard is damaged, the whole railway bridge guard needs to be replaced, which will seriously increase the maintenance cost in the later period.

[0004] (2) The existing railway bridge guard is made of wood, and the mechanical strength of wood is relatively low and the wood is easy to crack and corrode after being blown by the wind, exposed to the sun and rained on, which shortens the service life of the existing railway bridge guard. SUMMARY

[0005] In order to solve the above problems in the prior art, the utility model aims to provide a spliced railway bridge guard to improve the construction efficiency, reduce the maintenance cost and prolong the service life.

[0006] To achieve the above object, the utility model adopts the technical scheme as follows: A spliced railway bridge guard wood, including a plurality of upper guard wood units for being placed on bridge sleepers and being arranged side by side and at intervals, a plurality of lower guard wood units for being respectively inserted between the lower ends of two adjacent upper guard wood units among the plurality of upper guard wood units, two end head components for being respectively inserted on the lower ends of two upper guard wood units at the end among the plurality of upper guard wood units and a U-shaped reinforcing plate for being buckled on the outer side of all upper guard wood units, wherein the adjacent upper guard wood unit and lower guard wood unit are detachably connected together through at least two first fastening components, the upper guard wood unit at the end and the end head component are detachably connected together through at least two second fastening components, and the upper guard wood unit, the U-shaped reinforcing plate, the bridge sleeper and the steel beam are detachably connected together through the third fastening component which is detachably connected between each upper guard wood unit and the U-shaped reinforcing plate.

[0007] As the limitation of the utility model, the upper guard wood unit comprises a first T-shaped block, and the lower guard wood unit comprises a second T-shaped block; the thickness of the first web in the first T-shaped block is less than the width of the bridge sleeper, the thickness of the web of the second T-shaped block is equal to the spacing between the two adjacent bridge sleepers, the two sides of the top surface of the flange in the second T-shaped block are respectively attached together with the two bottom surfaces of the flanges in the two first T-shaped blocks adjacent to the second T-shaped block, and the two sides of the flange in the second T-shaped block are respectively attached together with the two web sides in the two first T-shaped blocks adjacent to the second T-shaped block.

[0008] As the further limitation of the utility model, the first fastening component comprises a first fastening bolt which is threadedly connected in sequence on the corresponding upper guard wood unit and the corresponding lower guard wood unit and a first fastening nut which is threadedly connected on the lower end of the screw rod in the first fastening bolt and is pressed on the corresponding lower guard wood unit.

[0009] As the further limitation of the utility model, the second fastening component comprises a second fastening bolt which is threadedly connected in sequence on the corresponding upper guard wood unit and the corresponding end head component and a second fastening nut which is threadedly connected on the lower end of the screw rod in the second fastening bolt and is pressed on the corresponding end head component.

[0010] As the further limitation of the utility model, the third fastening component comprises a hook head screw which is threadedly connected on the U-shaped reinforcing plate and the corresponding upper guard wood unit, a pad plate which is threadedly connected on the upper end of the hook head screw and is pressed on the top of the U-shaped reinforcing plate and a third fastening nut which is threadedly connected on the upper end of the hook head screw and is pressed on the pad plate; the pad plate comprises a rectangular plate piece and an antiskid rubber layer which is fixed on the bottom of the rectangular plate piece.

[0011] As another limitation of the utility model, the upper guard unit, lower guard unit and end member are all made of composite plastic material.

[0012] As a further limitation of the utility model, the U-shaped reinforcing plate is made of carbon steel material or galvanized steel material.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) The utility model adopts the splicing structure form combining multiple upper guard units, multiple lower guard units, two end members and a U-shaped reinforcing plate, can be produced in a mold factory, has uniform specifications, is convenient for transportation, and when installation, maintenance or replacement work is carried out, corresponding work can be carried out on each part of the component separately, which is simple to operate, saves time and effort, can effectively improve the construction efficiency, when part of the position of the railway bridge guard wood is damaged, only the damaged component needs to be replaced, which can effectively reduce the maintenance cost. In addition, the U-shaped reinforcing plate can enhance the strength and integrity of the structure of the utility model, and can effectively improve the stability and safety of the structure of the utility model.

[0015] (2) The upper guard unit and the lower guard unit in the structure of the utility model respectively adopt a first T-shaped block and a second T-shaped block, the first T-shaped block and the second T-shaped block are both T-shaped structures, the T-shaped structure has good stress performance, and the structure formed by splicing multiple second T-shaped blocks and multiple second T-shaped blocks can be stably clamped between the bridge sleepers, the structure design of the utility model is ingenious and reasonable, and the stability and safety of the structure of the utility model can be effectively improved.

[0016] (3) The first fastening component and the second fastening component in the utility model are both at least two, and the first fastening component and the second fastening component adopt the form of bolt and nut cooperation, the structure of the first fastening component and the second fastening component is simple, has good fastening effect and is easy to install, and the convenience of installation and the firmness of fastening of the utility model can be effectively improved. The third fastening component is provided with a hook head screw, a backing plate and a third fastening nut, the hook head of the hook head screw can hook the steel beam in the railway bridge guard wood, so that the upper guard unit, the U-shaped reinforcing plate, the bridge sleeper and the steel beam are fixedly connected together, and the stability and reliability of the structure of the utility model can be effectively improved.

[0017] (4) The upper guard unit, the lower guard unit and the end member in the utility model are all made of composite plastic material, the composite plastic material has high strength, is not easy to corrode and has good durability, and the service life of the utility model can be effectively prolonged. In addition, the U-shaped reinforcing plate is made of carbon steel material or galvanized steel material, which can increase the strength of the structure of the utility model, and the stability and reliability of the structure of the utility model can be effectively improved.

[0018] In summary, the utility model discloses clever structure design, high structural strength, high safety and strong practicality, the utility model discloses the structure form of splicing and the utility model is made of composite plastic material, can improve the convenience of transportation of the utility model and improve the service life, and when installing, maintaining or replacing etc. Construction operation can be individually corresponding construction operation to each part component, and the operation is simple, time -saving and labor -saving, can effectively improve construction efficiency and reduce maintenance cost. The utility model is suitable for being used as railway bridge guard wood. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.

[0020] Figure 1 It is the structural schematic diagram of the prior railway bridge guard wood;

[0021] Figure 2 It is the structural schematic diagram of the utility model embodiment;

[0022] Figure 3 It is the structural schematic diagram of the utility model embodiment after dismantling U type reinforcing plate;

[0023] Figure 4 It is the structural schematic diagram of another angle of the utility model embodiment after dismantling U type reinforcing plate;

[0024] Figure 5 It is the front view of Figure 3 ;

[0025] Figure 6 It is the connection relation schematic diagram of the hook head screw and the upper guard wood unit in the utility model embodiment;

[0026] Figure 7 It is the use state schematic diagram of the utility model embodiment;

[0027] Figure 8 It is the use state schematic diagram of another angle of the utility model embodiment;

[0028] In the drawing: 1, limit card slot;2, upper guard wood unit;3, lower guard wood unit;4, end component;5, first fastening component;6, second fastening component;7, hook head screw;8, pad;9, third fastening nut;10, U type reinforcing plate;11, bridge pillow;12, steel beam;13, circular recess;14, reinforcing nut;15, waterproof gasket. DETAILED DESCRIPTION

[0029] The preferred embodiments of the utility model will be described below in combination with the drawings. It should be understood that the preferred embodiments described here are only for illustrating and understanding the utility model, and are not used to limit the utility model.

[0030] A spliced railway bridge guardwood

[0031] As shown in Figures 2-5 the embodiment, it comprises a plurality of upper guardwood units 2 arranged side by side and spaced apart for being placed on bridge sleepers 11, a plurality of lower guardwood units 3 respectively inserted between lower ends of two adjacent upper guardwood units 2 in the plurality of upper guardwood units 2, two end head members 4 respectively inserted on lower ends of two end upper guardwood units 2 in the plurality of upper guardwood units 2, and a U-shaped reinforcing plate 10 buckled on the outer sides of all the upper guardwood units 2. The upper end of each lower guardwood unit 3 is capable of being erected on two adjacent bridge sleepers 11, and the lower end of each lower guardwood unit 3 is capable of being inserted between the two adjacent bridge sleepers 11. The upper guardwood units 2, the lower guardwood units 3 and the end head members 4 are all made of composite plastic material, and the U-shaped reinforcing plate 10 is made of carbon steel material or galvanized steel material. The upper guardwood units 2 comprise first T-shaped blocks, and the lower guardwood units 3 comprise second T-shaped blocks. The two sides of the flanges of the second T-shaped blocks are respectively erected on two adjacent bridge sleepers 11, and the web of the second T-shaped blocks is inserted between the two adjacent bridge sleepers 11. Further, the thickness of the first web of the first T-shaped blocks is less than the width of the bridge sleepers 11, the thickness of the web of the second T-shaped blocks is equal to the spacing between the two adjacent bridge sleepers 11, the two sides of the top surface of the flanges of the second T-shaped blocks are respectively in contact with the bottom surfaces of the two flanges of the two first T-shaped blocks adjacent to the second T-shaped blocks, and the two sides of the flanges of the second T-shaped blocks are respectively in contact with the sides of the two webs of the two first T-shaped blocks adjacent to the second T-shaped blocks.

[0032] As shown in Figure 4 the embodiment, the adjacent upper guardwood units 2 and the lower guardwood units 3 are detachably connected together through at least two first fastening members 5. The first fastening member 5 comprises a first fastening bolt which is threadedly connected from top to bottom on the corresponding upper guardwood unit 2 and the corresponding lower guardwood unit 3, and a first fastening nut which is threadedly connected on the lower end of the screw rod in the first fastening bolt and is pressed against the corresponding lower guardwood unit 3. Specifically, in the embodiment, the adjacent upper guardwood units 2 and the lower guardwood units 3 are detachably connected together through two first fastening members 5. It should be noted that the top of the upper guardwood unit 2 is provided with a first accommodating groove for accommodating the nut in the first fastening bolt at the position where the first fastening bolt passes through, so that after the first fastening bolt is installed in place, the nut in the first fastening bolt is located in the first accommodating groove.

[0033] The upper guard unit 2 at the end is detachably connected with the end member 4 by at least two second fastening members 6, the second fastening member 6 comprises a second fastening bolt which is screwed from top to bottom on the corresponding upper guard unit 2 and the corresponding end member 4, and a second fastening nut which is screwed on the lower end of the screw rod in the second fastening bolt and presses against the corresponding end member 4. Specifically, in the embodiment, the upper guard unit 2 at the end is detachably connected with the end member 4 by two second fastening members 6. It should be noted that the top of the upper guard unit 2 is provided with a second accommodating groove at the position where the second fastening bolt passes through, so that the screw cap in the second fastening bolt is accommodated in the second accommodating groove after the second fastening bolt is installed in place.

[0034] Each upper guard unit 2 is detachably connected with the U-shaped reinforcing plate 10 by a third fastening member which can detachably connect the upper guard unit 2, the U-shaped reinforcing plate 10, the tie rod 11 and the steel beam 12 together, the third fastening member comprises a hook screw 7 which is screwed on the U-shaped reinforcing plate 10 and the corresponding upper guard unit 2, a pad 8 which is screwed on the upper end of the hook screw 7 and presses against the top of the U-shaped reinforcing plate 10, and a third fastening nut 9 which is screwed on the upper end of the hook screw 7 and presses against the pad 8, wherein the upper end of the hook screw 7 refers to the end of the hook screw 7 away from the hook, and the pad 8 comprises a rectangular plate and an anti-skid rubber layer fixed on the bottom of the rectangular plate. As shown in Figure 6 The top of the upper guard unit 2 is provided with a circular groove 13 at the position where the hook screw 7 passes through, the size of the circular groove 13 is larger than the size of the cross section of the hook screw, in order to improve the stability of the fixation of the hook screw 7 on the corresponding upper guard unit, a waterproof gasket 15 is sleeved on the hook screw 7 and a reinforcing nut 14 is screwed on the hook screw 7, the reinforcing nut 14 is located above the waterproof gasket 15 and fastens the waterproof gasket 15 to the bottom of the circular groove 13. The U-shaped reinforcing plate 10 is provided with a through hole at the position where the hook screw 7 passes through, the size of the through hole is larger than the size of the cross section of the hook screw 7.

[0035] When using the embodiment, as Figure 7 , Figure 8As shown, the plurality of upper guard units 2, the plurality of lower guard units 3 and the two end members 4 are fixedly connected together by the plurality of first fastening members 5, and then are placed on the bridge pier 11, and it is necessary to ensure that the upper guard unit 2 is placed on the bridge pier 11, the two sides of the lower guard unit 3 are respectively erected on the two sides of the bridge pier 11, and the lower guard unit 3 is inserted between the adjacent two bridge piers 11, finally, the U-shaped reinforcing plate 10 is installed and the upper guard unit 2, the U-shaped reinforcing plate 10, the bridge pier 11 and the steel beam 12 are fixedly connected together by the third fastening member, wherein the hook head screw 7 in the third fastening member is fastened on the steel beam 12, and it is necessary to explain that the bridge pier 11 and the steel beam 12 in the embodiment are structures in the railway bridge.

[0036] It should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application, and although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A spliceable railway bridge timber characterised in that: The application relates to a bridge guard unit for placing on bridge piers, which comprises a plurality of upper guard units arranged side by side and spaced apart, a plurality of lower guard units respectively inserted between the lower ends of two adjacent upper guard units, two end head members respectively inserted on the lower ends of two end upper guard units, and a U-shaped reinforcing plate buckled on the outer sides of all the upper guard units, wherein the adjacent upper guard units and the lower guard units are detachably connected together through at least two first fastening members, the upper guard units at the ends and the end head members are detachably connected together through at least two second fastening members, and the upper guard units and the U-shaped reinforcing plate are detachably connected together through third fastening members; the upper ends of each lower guard unit can be arranged on two adjacent bridge piers, and the lower end of each lower guard unit can be inserted between two adjacent bridge piers.

2. A spliceable railway bridge timber according to claim 1, characterised in that: The upper guard unit comprises a first T-shaped block, and the lower guard unit comprises a second T-shaped block; the thickness of the first web in the first T-shaped block is smaller than the width of the bridge pier, the thickness of the web in the second T-shaped block is equal to the distance between the two adjacent bridge piers, the two sides of the top surface of the flange in the second T-shaped block are respectively attached to the bottom surfaces of the two flanges in the two first T-shaped blocks adjacent to the second T-shaped block, and the two sides of the flange in the second T-shaped block are respectively attached to the sides of the two webs in the two first T-shaped blocks adjacent to the second T-shaped block.

3. A spliceable railway bridge timber according to claim 2, characterised in that: The first fastening member comprises a first fastening bolt threadedly connected in sequence on the corresponding upper guard unit and the corresponding lower guard unit, and a first fastening nut threadedly connected on the lower end of the screw rod in the first fastening bolt and abutting against the corresponding lower guard unit.

4. A spliceable railway bridge timber according to claim 3, characterised in that: The second fastening member comprises a second fastening bolt threadedly connected in sequence on the corresponding upper guard unit and the corresponding end head member, and a second fastening nut threadedly connected on the lower end of the screw rod in the second fastening bolt and abutting against the corresponding end head member.

5. A spliceable railway tie according to claim 4, wherein: The third fastening member comprises a hook head screw threadedly connected on the U-shaped reinforcing plate and the corresponding upper guard unit, a pad abutting against the top of the U-shaped reinforcing plate threadedly connected on the upper end of the hook head screw, and a third fastening nut abutting against the pad threadedly connected on the upper end of the hook head screw; the pad comprises a rectangular plate and an anti-skid rubber layer fixed on the bottom of the rectangular plate.

6. A spliced railway bridge timber according to any one of claims 1-5, characterized in that: The upper guard unit, the lower guard unit and the end head member are all made of composite plastic material.

7. A spliceable railway tie according to claim 6, wherein: The U-shaped reinforcing plate is made of carbon steel material or galvanized steel material.