Road and bridge protective fence

By designing a cleaning mechanism and a return spring, the scraper of the bridge guardrail can be stored and easily replaced, solving the aging problem caused by the exposure of the scraper and extending its service life.

CN223907335UActive Publication Date: 2026-02-13阮泽明
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Patent Information

Application Number
CN202520504491.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-13
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

The existing bridge guardrails cannot store the scrapers after cleaning, causing the scrapers to be exposed to wind and sun for a long time, which makes them prone to aging and damage, shortening their service life.

Method used

A cleaning mechanism was designed, in which a crank handle drives a threaded rod to rotate, and a slider moves to move a fixed rod and a U-shaped block to store the scraper. A return spring facilitates scraper replacement.

Benefits of technology

It enables the scraper to be stored away, avoiding wind and sun exposure, extending the scraper's lifespan, and making it easy to replace damaged scrapers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a protective fence, belongs to the technical field of protective fences, in particular to a road and bridge protective fence which comprises two stand columns, containing grooves are formed in the sides, close to each other, of the two stand columns, and the two stand columns are jointly and fixedly connected with a plurality of handrails. Through the arrangement of the cleaning mechanism, a crank is rotated to drive a threaded rod to rotate, the threaded rod rotates a sliding block to move, the sliding block moves to drive a fixed rod to move, the fixed rod moves to drive a plurality of U-shaped blocks to move, the U-shaped blocks move to drive a sliding rod and a clamping block to move, and the clamping block moves to drive a connector and a scraper to move. After cleaning is completed, a fixing rod drives a U-shaped block, a sliding rod, a clamping block, a connector and the scraping plate to enter a storage groove for storage, the scraping plate can be stored, the scraping plate is not exposed to the wind and the sun, the service life of the scraping plate is prolonged, and the problem that the scraping plate is exposed to the wind and the sun for a long time and cannot be damaged is solved. And the scraping plate is easy to age and damage.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of guardrails, in particular to a road and bridge guardrail. BACKGROUND

[0002] Some road and bridge guardrails for viewing will accumulate a large amount of dust every day, which is inconvenient for the viewing personnel to hold and rely on, and the guardrail needs to be cleaned.

[0003] Through the retrieval of the Chinese patent with the announcement number CN220953128U, a road and bridge guardrail is disclosed, which relates to the technical field of road and bridge guardrails and comprises a fixed plate, a lower placement block, a fixed column fixedly connected to the top of the fixed plate, a square limiting groove formed on the outer side of the fixed column, a lifting column slidingly connected to the outer side of the fixed column, and a lower placement block fixedly connected to one side of the lifting column.

[0004] Based on the above retrieval and the existing technology, it is found that:

[0005] Most of the existing bridge guardrails use scrapers for cleaning, and the scraper cannot be stored after cleaning the guardrail, which causes the scraper to be exposed to wind and sunlight for a long time, making the scraper prone to aging and damage and shortening the service life of the scraper. UTILITY MODEL CONTENT

[0006] To solve the above technical problems, the utility model provides a road and bridge guardrail, a crank handle drives a threaded rod to rotate, the threaded rod rotates a sliding block to move, the sliding block moves to drive a fixed rod to move, the fixed rod moves to drive multiple U-shaped blocks to move, the multiple U-shaped blocks move to drive a sliding rod and a clamping block to move, the clamping block moves to drive a connecting head and a scraper to move, so that the scraper cleans the pull rod, and after cleaning, the fixed rod drives the U-shaped block, the sliding rod, the clamping block, the connecting head and the scraper into the storage groove for storage, which realizes the storage of the scraper, prevents the scraper from being exposed to wind and sunlight, and improves the service life of the scraper.

[0007] The technical solution for achieving the utility model is as follows: a road and bridge guardrail comprises two upright columns, a storage groove is formed on one side of each of the two upright columns, multiple guardrails are fixedly connected to the two upright columns, and the road and bridge guardrail further comprises:

[0008] A cleaning mechanism is arranged on the upright column.

[0009] The cleaning mechanism comprises a threaded rod which is jointly and rotationally connected to the two stand columns, one end of the threaded rod is fixedly connected with a crank handle, a sliding block is screwed on the threaded rod, the top of the sliding block is fixedly connected with a fixing rod, a plurality of U-shaped blocks are fixedly connected on the fixing rod, two sliding rods are slidingly connected on the U-shaped blocks, one end of each of the two sliding rods which are close to each other is fixedly connected with a clamping block, a connecting head is slidingly sleeved on each of the two clamping blocks, and a scraper is fixedly connected on each of the two connecting heads.

[0010] In some embodiments, two scrapers are attached to each of the railings, and the clamping blocks are square in shape.

[0011] In some embodiments, a reset spring is sleeved on each of the sliding rods, and the two ends of the reset spring are fixedly connected with the U-shaped block and the sliding rod respectively.

[0012] In some embodiments, a fixed shell is jointly and fixedly connected to the two stand columns, a strip-shaped hole is formed in the fixed shell, and the fixing rod is slidingly connected in the strip-shaped hole.

[0013] In some embodiments, limit strips are fixedly connected to the inner walls of the two sides of the fixed shell, and the sliding block is jointly and slidingly connected to the two limit strips.

[0014] In some embodiments, a fixed seat is fixedly connected to the bottom end of each of the two stand columns.

[0015] Compared with the prior art, the present utility model has the following advantages:

[0016] Firstly, the present utility model is provided with a cleaning mechanism, the crank handle is rotated to drive the threaded rod to rotate, the threaded rod drives the sliding block to move, the sliding block drives the fixing rod to move, the fixing rod drives the plurality of U-shaped blocks to move, the plurality of U-shaped blocks drive the sliding rods and the clamping blocks to move, the clamping blocks drive the connecting heads and the scrapers to move, the scrapers clean the pull rods, after cleaning, the fixing rod drives the U-shaped blocks, the sliding rods, the clamping blocks, the connecting heads and the scrapers to enter the storage grooves for storage, the scrapers can be stored, the scrapers are not affected by wind and sunlight, and the service life of the scrapers is prolonged.

[0017] Secondly, the sliding rod is pulled outward to drive the clamping block to move away from the connecting head, the damaged scraper is taken out, the to-be-replaced scraper is placed below the clamping block, the reset spring drives the sliding rod and the clamping block to reset, and the clamping block enters the connecting head, so that the scraper can be replaced conveniently.

[0018] The problem that the existing scrapers are exposed to wind and sunlight for a long time, so that the scrapers are prone to aging and damage is solved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present utility model will be further explained in combination with the drawings and embodiments:

[0020] Figure 1 is a schematic diagram of the whole three-dimensional structure provided by the utility model in an embodiment;

[0021] Figure 2 is a schematic diagram of the three-dimensional structure of the scraper and the railing provided by the utility model in an embodiment;

[0022] Figure 3 is a schematic diagram of the cross-sectional plane structure of the clamping block and the connecting head provided by the utility model in an embodiment;

[0023] Figure 4 is a schematic diagram of the cross-sectional plane structure of the sliding block and the limiting strip provided by the utility model in an embodiment.

[0024] Mark explanation:

[0025] 1, stand; 11, storage groove; 12, crank; 13, threaded rod; 14, sliding block; 15, fixed rod; 16, U-shaped block; 17, sliding rod; 18, clamping block; 19, connecting head; 110, scraper; 111, return spring; 2, fixed shell; 21, limiting strip; 3, railing; 4, fixed seat. Specific implementation

[0026] The utility model will be described in detail below, and the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] The utility model provides a road bridge guardrail by improvement, and the technical scheme of the utility model is:

[0028] As Figures 1-4As shown, a road bridge guardrail, including two columns 1, two columns 1 are close to each other on one side of the receiving groove 11 are provided, two columns 1 on the common fixed connection with a plurality of railings 3, also includes cleaning mechanism, cleaning mechanism includes common rotation connection on two columns 1 on the threaded rod 13, one end of the threaded rod 13 is fixedly connected with the crank 12, threaded rod 13 on the screw has a sliding block 14, the top of the sliding block 14 is fixedly connected with the fixed rod 15, the fixed rod 15 is fixedly connected with a plurality of U-shaped block 16, U-shaped block 16 on the sliding connection with two sliding rods 17, two sliding rods 17 are close to each other on one end are fixedly connected with the block 18, two block 18 on the sliding sleeve are connected with the connector 19, two connector 19 are fixedly connected with the scraper 110; through the setting of cleaning mechanism, rotating crank 12 drive threaded rod 13 rotation, threaded rod 13 rotation sliding block 14 movement, sliding block 14 movement drive fixed rod 15 movement, fixed rod 15 movement drive a plurality of U-shaped block 16 movement, a plurality of U-shaped block 16 movement drive sliding rod 17 and block 18 movement, block 18 movement drive connector 19 and scraper 110 movement, so that the scraper 110 on the pull rod cleaning, after cleaning, fixed rod 15 drive U-shaped block 16, sliding rod 17, block 18, connector 19 and scraper 110 into the receiving groove 11 for storage, can realize the scraper 110 for storage, so that the scraper 110 is not affected by the wind and sun, improve the service life of the scraper 110.

[0029] As Figure 2 shown, in an embodiment, each rail 3 are attached with two scraper 110, the shape of the block 18 is square; through the setting of block 18, because the block 18 is square, can limit the position of the scraper 110.

[0030] As Figure 3 shown, in an embodiment, a plurality of sliding rods 17 are connected with reset spring 111, the both ends of reset spring 111 are fixedly connected with U-shaped block 16 and sliding rod 17; through the setting of reset spring 111, pull out the sliding rod 17, so that the sliding rod 17 drive block 18 away from the connector 19, take out the damaged scraper 110, and put the scraper 110 to be replaced into the lower of block 18, so that the reset spring 111 drive sliding rod 17 and block 18 reset, so that the block 18 into the connector 19, realize the scraper 110 is convenient to replace.

[0031] As Figure 4 shown, in an embodiment, two columns 1 on the common fixed connection fixed shell 2, the fixed shell 2 on the strip hole, the fixed rod 15 is slidingly connected in the strip hole; through the setting of fixed shell 2, realize the protection of threaded rod 13, improve the service life of threaded rod 13.

[0032] As Figure 4As shown in the drawings, in an embodiment, the two side inner walls of the fixed shell 2 are fixedly connected with limiting strips 21, and the sliding block 14 is slidably connected to the two limiting strips 21.

[0033] As shown in the drawings, in an embodiment, the two side inner walls of the fixed shell 2 are fixedly connected with limiting strips 21, and the sliding block 14 is slidably connected to the two limiting strips 21. Figure 1 As shown in the drawings, in an embodiment, the two side inner walls of the fixed shell 2 are fixedly connected with limiting strips 21, and the sliding block 14 is slidably connected to the two limiting strips 21.

[0034] The specific working method is: rotating the handle 12 to drive the threaded rod 13 to rotate, the threaded rod 13 rotates the sliding block 14 to move, the sliding block 14 moves to drive the fixed rod 15 to move, the fixed rod 15 moves to drive the plurality of U-shaped blocks 16 to move, the plurality of U-shaped blocks 16 moves to drive the sliding rod 17 and the clamping block 18 to move, the clamping block 18 moves to drive the connecting head 19 and the scraper 110 to move, so that the scraper 110 cleans the pull rod, after cleaning, the fixed rod 15 drives the U-shaped block 16, the sliding rod 17, the clamping block 18, the connecting head 19 and the scraper 110 into the storage slot 11 for storage, realizing that the scraper 110 can be stored, so that the scraper 110 is not affected by wind and sun, improving the service life of the scraper 110, pulling the sliding rod 17 outward, so that the sliding rod 17 drives the clamping block 18 to move away from the connecting head 19, the damaged scraper 110 is taken out, and the to-be-replaced scraper 110 is placed below the clamping block 18, so that the return spring 111 drives the sliding rod 17 and the clamping block 18 to reset, so that the clamping block 18 enters the connecting head 19, realizing that the scraper 110 is convenient to replace.

[0035] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above technical means, and also includes technical solutions composed of equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A road bridge barrier comprising two uprights (1), characterised in that: Two sides of two columns (1) close to each other are provided with receiving grooves (11), a plurality of railings (3) are fixedly connected on two columns (1), and the railing (3) comprises; The cleaning mechanism is located on the column (1); The cleaning mechanism comprises a threaded rod (13) which is rotatably connected to the two columns (1), one end of the threaded rod (13) is fixedly connected with a crank (12), the threaded rod (13) is screwed with a sliding block (14), the top of the sliding block (14) is fixedly connected with a fixed rod (15), a plurality of U-shaped blocks (16) are fixedly connected on the fixed rod (15), two sliding rods (17) are slidably connected on the U-shaped blocks (16), the ends of the two sliding rods (17) close to each other are fixedly connected with clamping blocks (18), two connecting heads (19) are slidably sleeved on the two clamping blocks (18), and two scraping plates (110) are fixedly connected on the two connecting heads (19).

2. A road bridge guard rail according to claim 1, characterised in that: Two scraping plates (110) are attached to each of the railings (3), and the clamping blocks (18) are square in shape.

3. A road bridge barrier according to claim 2, characterised in that: A reset spring (111) is sleeved on each of the sliding rods (17), and the two ends of the reset spring (111) are fixedly connected with the U-shaped block (16) and the sliding rod (17) respectively.

4. A road bridge barrier according to claim 3, characterised in that: Two columns (1) are fixedly connected with a fixed shell (2), a strip-shaped hole is formed in the fixed shell (2), and the fixed rod (15) is slidably connected in the strip-shaped hole.

5. A road bridge barrier according to claim 4, wherein: The two sides of the fixed shell (2) are fixedly connected with limiting strips (21), and the sliding block (14) is slidably connected with the two limiting strips (21).

6. A highway bridge guard rail according to claim 5 wherein: The bottom ends of the two columns (1) are fixedly connected with fixed seats (4).

Citation Information

Patent Citations

  • Road bridge guardrail

    CN220953128U