CN222349529U - A height-limiting frame for road and bridge - Google Patents
A height-limiting frame for road and bridge Download PDFInfo
- Publication number
- CN222349529U CN222349529U CN202420509773.1U CN202420509773U CN222349529U CN 222349529 U CN222349529 U CN 222349529U CN 202420509773 U CN202420509773 U CN 202420509773U CN 222349529 U CN222349529 U CN 222349529U
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- limiting frame
- fixing
- height
- height limiting
- rod
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Abstract
The utility model discloses a height limiting frame for roads and bridges. The utility model comprises a height limiting frame main body, wherein a chute is formed in a supporting leg of the height limiting frame main body, the bottom of the cross rod is fixedly connected to the upper part of the height limiting frame main body, a display board is fixedly connected to one side of the cross rod, and a protection structure is arranged on the outer side of the supporting leg of the height limiting frame main body and comprises a sliding block, a connecting rod, a spring, a fixing frame, a fixing block and a protection plate. According to the utility model, the protection structure is formed by the sliding blocks, the connecting rods, the springs, the fixed frames, the fixed blocks and the protection plates, the supporting rods of the limiting frame main body are protected by the six groups of protection plates, the bending condition of the supporting rods caused by the collision of vehicles with the limiting frame is reduced, the fixed structure is formed by the two-way threaded rods, the fixed blocks and the rotating disc, the protection plates can be detached or installed by rotating the two-way threaded rods, and the damaged protection plates can be replaced conveniently by workers.
Description
Technical Field
The utility model relates to the technical field of height limiting frames, in particular to a height limiting frame for roads and bridges.
Background
The height limiting frame is mainly used for door-type frameworks at the entrance of bridges, culverts and tunnels and is mainly divided into two types, namely a fixed height limiting frame and an adjustable height limiting frame, wherein the fixed height limiting frame and a common steel structure are welded to form the height limiting frame, so that the height limiting frame has the function of protecting the bridges, the culverts and the tunnels, a cross rod is provided with a signpost for indicating vehicles, and the adjustable height limiting frame can adjust the height of a limiting rod when required through an adjusting device.
The existing height limiting frame for the road bridge is usually formed by a cross rod and a supporting rod, vehicles are limited by the cross rod, the vehicles collide with the supporting rod when passing through the height limiting frame, the supporting rod is bent due to the fact that the vehicles collide, the follow-up vehicle passing is affected after the supporting rod is bent, the whole height limiting frame is usually required to be replaced, and the cost is high.
Disclosure of utility model
The utility model aims to provide a height limiting frame for roads and bridges, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the technical scheme that the height limiting frame for the road bridge comprises a height limiting frame main body, wherein sliding grooves are formed in supporting legs of the height limiting frame main body, a cross rod is arranged at the position, the bottom of the cross rod is fixedly connected above the height limiting frame main body, and a display board is fixedly connected to one side of the cross rod.
The protection structure is arranged on the outer side of a supporting leg of the height limiting frame body and comprises a sliding block, a connecting rod, a spring, a fixing frame, a fixing block and a protection plate, wherein the sliding block is in sliding connection with a sliding groove of the height limiting frame body, one end of the connecting rod is rotationally connected with the sliding block, the other end of the connecting rod is rotationally connected with the fixing frame, one end of the spring is fixedly connected in the sliding groove of the height limiting frame body, the other end of the spring is fixedly connected with one side of the sliding block, the fixing frame is in sliding connection with the fixing block, one side of the protection plate is provided with a fixing groove, the fixing block is in sliding connection with the fixing groove of the protection plate, and the bottom of the fixing block is provided with a thread groove.
Through adopting above-mentioned technical scheme, can protect the bracing piece of locating rack main part through six sets of guard plates, reduce the circumstances that the vehicle collision limit for height frame leads to the bracing piece crooked.
Preferably, the bidirectional threaded rod is in threaded connection with the threaded groove of the fixed block, and the bidirectional threaded rod is rotationally connected with the fixed frame, and the turntable is fixedly connected with one end of the bidirectional threaded rod.
Through adopting above-mentioned technical scheme, can accomplish the dismantlement or the installation of guard plate through rotating two-way threaded rod, the staff of being convenient for changes the guard plate of damage.
Preferably, a limiting rod is fixedly connected in the chute of the height limiting frame main body, the limiting rod is in sliding connection with the sliding block, and the limiting rod penetrates through a hole formed in the center of the spring.
Through adopting above-mentioned technical scheme, can carry out spacingly through the gag lever post to the spring, avoid appearing the circumstances of spring deformation dislocation.
Preferably, a sliding rod is fixedly connected inside the fixed frame, and the sliding rod is in sliding connection with the fixed block.
Through adopting above-mentioned technical scheme, can carry out spacingly to the fixed block through the sliding rod, guarantee the stability in the fixed block motion process.
Preferably, one end of the fixing block is provided with a fixing protrusion, and the fixing protrusion is embedded into the fixing groove of the protection plate.
Through adopting above-mentioned technical scheme, can guarantee the stability after the guard plate installation through being provided with fixed protruding.
Preferably, a rubber pad is arranged on one side of the fixed frame, and the rubber pad and the side face of the fixed frame are the same in size.
Through adopting above-mentioned technical scheme, can avoid fixed frame and supporting leg collision to appear damaging the condition through being provided with the rubber pad.
Preferably, the bottom of the height limiting frame main body is fixedly connected with a fixing seat, and the bottom of the fixing seat is provided with anti-slip protrusions.
Through adopting above-mentioned technical scheme, can be through multiunit outside bolt can be fixed the fixing base in road bridge entrance, stability is high.
Compared with the prior art, the anti-collision limiting frame has the beneficial effects that the anti-collision limiting frame is provided with the sliding blocks, the connecting rods, the springs, the fixing frames, the fixing blocks and the protection plates to form the protection structure, the six groups of protection plates are used for protecting the supporting rods of the limiting frame main body, the situation that the supporting rods are bent due to the fact that a vehicle collides with the limiting frame is reduced, the fixing structure is formed by the two-way threaded rods, the fixing blocks and the rotating disc, the protection plates can be detached or installed by rotating the two-way threaded rods, and the damaged protection plates can be replaced conveniently by workers.
Drawings
FIG. 1 is a schematic view of the appearance structure of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 in accordance with the present utility model;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1 in accordance with the present utility model;
FIG. 4 is a schematic side view of the present utility model;
Fig. 5 is an enlarged schematic view of the portion C of fig. 4 according to the present utility model.
The height limiting frame comprises a height limiting frame body 1, a cross rod 2, a display board 3, a protective structure 4, a sliding block 401, a connecting rod 403, a spring 404, a fixing frame 405, a fixing block 406, a protection plate 407, a limiting rod 5, a two-way threaded rod 6, a rotary table 7, a rubber pad 8, a fixing seat 9 and a sliding rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is described in further detail below with reference to fig. 1-5.
Referring to fig. 1-5, the height limiting frame for the road and bridge provided by the embodiment of the utility model comprises a height limiting frame main body 1, wherein a chute is formed in a supporting leg of the height limiting frame main body 1, an electric telescopic rod is arranged in the supporting leg of the height limiting frame main body 1, the height of a railing can be adjusted by starting the electric telescopic rod, a cross rod 2 is fixedly connected to the upper part of the height limiting frame main body 1, a display board 3 is fixedly connected to one side of the cross rod 2, the display board 3 is electrically connected with the height limiting frame main body 1, and when the railing height of the height limiting frame main body is changed, the height displayed by a display screen can be changed to prompt a passing vehicle.
The protection structure 4, this protection structure 4 sets up in limit for height frame body 1's supporting leg outside, protection structure 4 is including sliding block 401, connecting rod 402, spring 403, fixed frame 404, fixed block 405 and guard plate 406, sliding block 401 and limit for height frame body 1's spout sliding connection, connecting rod 402 one end rotates with sliding block 401 to be connected, the connecting rod 402 other end rotates with fixed frame 404 to be connected, spring 403 one end fixed connection is in limit for height frame body 1's spout, and the spring 403 other end and sliding block 401 one side fixed connection, fixed frame 404 and fixed block 405 sliding connection, the fixed slot has been seted up to guard plate 406 one side, fixed slot sliding connection of fixed block 405 and guard plate 406, the screw thread groove has been seted up to the fixed block 405 bottom, protect limit for height frame body 1's bracing piece through six sets of guard plates 406, reduce the circumstances that the vehicle collision limit for height frame leads to the bracing piece crooked.
Referring to fig. 1, 3 and 4, the bidirectional threaded rod 5 is screwed into the thread groove of the fixed block 405, the bidirectional threaded rod 5 is rotatably connected with the fixed frame 404, the turntable 6 is fixedly connected with one end of the bidirectional threaded rod 5, and the protection plate 406 can be detached or installed by rotating the bidirectional threaded rod 5, so that the damaged protection plate 406 can be replaced by a worker.
Referring to fig. 2, a limiting rod 407 is fixedly connected in a chute of the height-limiting frame main body 1, the limiting rod 407 is slidably connected with the sliding block 401, the limiting rod 407 penetrates through a hole formed in the center of the spring 403, and the spring 403 is limited by the limiting rod 407, so that deformation dislocation of the spring 403 is avoided.
Referring to fig. 3, a sliding rod 9 is fixedly connected inside the fixed frame 404, and the sliding rod 9 is slidably connected with the fixed block 405, so that the fixed block 405 is limited by the sliding rod 9, and the stability of the fixed block 405 in the moving process is ensured.
Referring to fig. 3, one end of the fixing block 405 is provided with a fixing protrusion, and the fixing protrusion is embedded in a fixing groove of the protection plate 406, so that stability of the protection plate 406 after installation is ensured by the fixing protrusion.
Referring to fig. 3, a rubber pad 7 is disposed on one side of the fixing frame 404, and the rubber pad 7 has the same size as the side of the fixing frame 404, so that damage caused by collision between the fixing frame 404 and the supporting legs is avoided by the rubber pad 7.
Referring to fig. 1 and 4, a fixing seat 8 is fixedly connected to the bottom of the height limiting frame main body 1, anti-slip protrusions are arranged at the bottom of the fixing seat 8, and the fixing seat 8 can be fixed at the entrance of the road bridge through a plurality of groups of external bolts, so that the stability is high.
Firstly, when the supporting leg of the height limiting frame main body 1 is collided by a vehicle, the vehicle applies pressure to a protection plate 406, the protection plate 406 moves towards the supporting leg side, the movement of the protection plate 406 drives a fixed frame 404 to move, and the fixed frame 404 is rotationally connected with a connecting rod 402, and the connecting rod 402 is rotationally connected with a sliding block 401, so that the fixed frame 404 moves to drive the sliding block 401 to move, one end of a spring 403 is fixedly connected with the sliding block 401, and the other end of the spring 403 is fixedly connected with the inner wall of a chute of the supporting leg, and therefore the sliding block 401 moves to pull the spring 403 to deform, and the impact force of the vehicle is buffered by the deformed spring 403, so that the bending condition of the supporting leg of the height limiting frame main body 1 is reduced;
Secondly, when the damaged protection plate 406 needs to be replaced, the turntable 6 is rotated, the turntable 6 rotates to drive the bidirectional threaded rod 5 to rotate, and the bidirectional threaded rod 5 is in threaded connection with the fixing block 405, and the fixing block 405 is in sliding connection with the sliding rod 9, so that the bidirectional threaded rod 5 rotates to drive the fixing block 405 to move under the influence of threads, the fixing protrusion at one end of the fixing block 405 moves to be separated from the fixing groove of the protection plate 406, then the protection plate 406 is pulled to complete disassembly, when the new protection plate 406 needs to be installed, the fixing groove of the protection plate 406 is aligned with the fixing block 405, then the protection plate 406 is pressed to enable the fixing block 405 to enter the fixing groove, and then the bidirectional threaded rod 5 is reversely rotated to drive the fixing block 405 to move to fix the protection plate 406.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420509773.1U CN222349529U (en) | 2024-03-15 | 2024-03-15 | A height-limiting frame for road and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420509773.1U CN222349529U (en) | 2024-03-15 | 2024-03-15 | A height-limiting frame for road and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222349529U true CN222349529U (en) | 2025-01-14 |
Family
ID=94201533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420509773.1U Active CN222349529U (en) | 2024-03-15 | 2024-03-15 | A height-limiting frame for road and bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222349529U (en) |
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2024
- 2024-03-15 CN CN202420509773.1U patent/CN222349529U/en active Active
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