CN215329535U

CN215329535U - Controllable height limiting device for road and bridge traffic

Info

Publication number: CN215329535U
Application number: CN202120935037.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2021-12-28
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a road and bridge traffic controllable height limiting device, and particularly relates to the technical field of road and bridge height limiting, wherein the road and bridge traffic controllable height limiting device comprises a support frame, wherein a protection mechanism is arranged on one side of the support frame; the protection mechanism comprises four buffer sleeve frames, wherein a stabilizing block is arranged inside each buffer sleeve frame, one side of each stabilizing block is connected with a buffer spring, one side of each buffer spring is connected with a concave frame, and a buffer rod is arranged inside each concave frame. According to the utility model, the protection mechanism is arranged, the concave frame drives the buffer spring to move to one side, so that the buffer spring starts to compress on the stable block, the impact force is converted into elastic potential energy and then slowly released, the arc-shaped elastic plate starts to compress under stress, and a buffer effect is performed for three times, so that the protection is more comprehensive, the buffer effect is better, the damage to the bridge caused by impact is effectively avoided, the protection effect is better, the bridge is not easy to damage, and the practicability is better.

Description

Controllable height limiting device for road and bridge traffic

Technical Field

The utility model relates to the technical field of road and bridge height limitation, in particular to a road and bridge traffic controllable height limitation device.

Background

With the vigorous development of the traffic industry, the number of high-grade roads mainly including expressways and first-grade roads is increased year by year, the road industry in China starts to enter a new stage mainly including the construction of the high-grade roads, the high-grade roads are particularly designed in a linear shape, the linear continuity is maintained, passengers have a sense of safety and comfort in physiology and psychology, and in order to prevent ultrahigh vehicles from colliding with bridges, a height limiting device is generally installed to perform height limiting reminding operation on the vehicles.

However, in practical use, if a general height limiting device is used, a lot of lucky illegal drivers can forcibly drive into the height limiting area to collide, the collision can cause damage to the bridge, the protection effect of the height limiting device on the bridge is poor, the buffering performance is poor, and the bridge is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a road and bridge traffic controllable height limiting device, and by arranging a protection mechanism, a third buffer effect is performed, so that the protection is more comprehensive, the buffer effect is better, the damage to a bridge caused by impact is effectively avoided, the protection effect is better, the bridge is less prone to being damaged, and the practicability is better, so that the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a road and bridge traffic controllable height limiting device comprises a support frame, wherein a protection mechanism is arranged on one side of the support frame;

protection machanism includes four buffering cover frames, the inside firm piece that is provided with of buffering cover frame, firm piece one side is connected with buffer spring, buffer spring one side is connected with concave frame, the inside buffer beam that is provided with of concave frame, the outside cover of buffer beam is equipped with firm axle collar, support frame one side middle part has from left to right set gradually two extrusion pieces, extrusion piece one end is connected with arc springboard, arc springboard one side is connected with the supporting shoe, the extrusion piece both sides all are provided with the gasbag frame, the inside first gasbag that is provided with of gasbag frame, first gasbag one side is provided with the second gasbag, the welding of buffer beam one end has the limit for height board.

In a preferred embodiment, three concave blocks are sequentially arranged on one side of the height limiting plate from left to right, a detaching block is arranged inside the concave block, a detaching rod is arranged inside the detaching block, an extension spring is connected to one side, located outside the detaching rod, of the concave block, a pulling cap is connected to one side of the extension spring, and a height limiting identification supporting disc is connected to one side of the detaching block.

In a preferred embodiment, a reflective frame is arranged outside the height limiting plate, and the reflective frame and the height limiting plate are welded and fixed.

In a preferred embodiment, a telescopic rod is installed at the bottom end of the supporting frame, and an electric hydraulic cylinder is connected to the bottom end of the telescopic rod.

In a preferred embodiment, a mounting plate is mounted at the bottom end of the electric hydraulic cylinder, and the mounting plate is fixedly connected with the electric hydraulic cylinder.

In a preferred embodiment, two sides of the buffer spring are respectively welded and fixed with the stabilizing block and the concave frame in pairs, and the inner wall of the stabilizing collar is movably connected with the outside of the buffer rod through a bearing.

In a preferred embodiment, two sides of the arc-shaped elastic plate are fixedly connected with the squeezing block and the supporting block in pairs respectively, and the first air bag and the second air bag are fixedly bonded.

The utility model has the technical effects and advantages that:

1. by arranging the protection mechanism, the concave frame drives the buffer spring to move to one side, so that the buffer spring starts to be compressed on the stable block, impact force is converted into elastic potential energy and then slowly released, the arc-shaped elastic plate starts to be compressed under stress, the impact force is further converted into the elastic potential energy and then slowly released, the first air bag and the second air bag are compressed to enable the air inside the first air bag and the second air bag to contract, the three-time buffer effect is achieved, the protection is more comprehensive, the buffer effect is better, the damage to the bridge caused by impact is effectively avoided, the protection effect is better, the bridge is not easily damaged, and the practicability is better;

2. when limit for height sign zhi wan needs to be changed, can be through pulling the pulling cap to one side, the pulling cap drives the dismounting rod and removes the dismounting rod to one side and drive extension spring and stretch to one side, can make dismounting rod and dismantlement piece separate like this can be quick dismantle limit for height sign zhi wan not then more change the high sign zhi wan of limit for height that new limit for height makes the quick dismantlement piece that inserts of dismounting rod inside extension spring's resilience force effect, convenient dismantlement, and easy operation, time saving and labor saving more.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of a top part of the joint of the disassembly block and the height limiting plate.

FIG. 3 is a schematic view of a cross-sectional structure of a portion of the connection between the buffer spring and the concave frame according to the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

The reference signs are: 1. a support frame; 2. a buffer sleeve frame; 3. a stabilizing block; 4. a buffer spring; 5. a concave frame; 6. a buffer rod; 7. a stabilizing collar; 8. extruding the block; 9. an arc-shaped elastic plate; 10. a support block; 11. An air bag frame; 12. a first air bag; 13. a second air bag; 14. a height limiting plate; 15. a concave block; 16. disassembling the block; 17. disassembling the rod; 18. an extension spring; 19. pulling the cap; 20. a height-limiting mark supporting disc; 21. a light reflecting frame; 22. a telescopic rod; 23. an electric hydraulic cylinder; 24. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The road and bridge traffic controllable height limiting device shown in the attached figures 1-4 comprises a support frame 1, wherein a protection mechanism is arranged on one side of the support frame 1;

protection machanism includes four buffering cover frames 2, the inside firm piece 3 that is provided with of

buffering cover frame

2, 3 one sides of firm piece are connected with buffer spring 4, buffer spring 4 one side is connected with concave frame 5, the inside buffer beam 6 that is provided with of concave frame 5, the outside cover of buffer beam 6 is equipped with

firm collar

7, 1 one side middle part of support frame has from left to right set gradually two extrusion piece 8, extrusion piece 8 one side is connected with arc springboard 9, arc springboard 9 one side is connected with supporting shoe 10, supporting shoe 10 both sides all are provided with gasbag frame 11, gasbag frame 11 inside is provided with first gasbag 12, first gasbag 12 one side is provided with second gasbag 13, the welding of 6 one end of buffer beam has limit for height board 14.

As shown in fig. 1 and 2, three concave blocks 15 are sequentially arranged on one side of the height limiting plate 14 from left to right, a detaching block 16 is arranged inside the concave block 15, a detaching rod 17 is arranged inside the detaching block 16, an extension spring 18 is connected to one side of the concave block 15 outside the detaching rod 17, a pulling cap 19 is connected to one side of the extension spring 18, a height limiting mark supporting disc 20 is connected to one side of the detaching block 16, so that when the height limiting mark supporting disc 20 needs to be replaced, the pulling cap 19 is pulled to one side, the pulling cap 19 drives the dismounting rod 17 to move to one side, the dismounting rod 17 drives the extension spring 18 to extend to one side, this allows the detachment rod 17 to be separated from the detachment block 16, so that the height-limiting indication support plate 20 can be quickly detached and then replaced with a new height-limiting indication support plate 20, and the detachment rod 17 can be quickly inserted into the detachment block 16 under the resilient force of the extension spring 18.

As shown in the attached drawing 1, the outside of the height limiting plate 14 is provided with a reflection frame 21, and the reflection frame 21 and the height limiting plate 14 are welded and fixed, so that light can irradiate on the reflection frame 21 at night, the reflection operation can be performed, and a driver can know that the height limiting device exists.

As shown in the attached drawing 1, the telescopic rod 22 is installed to support frame 1 bottom, and telescopic rod 22 bottom is connected with electric hydraulic cylinder 23 to begin to drive telescopic rod 22 upwards or move downwards through starting electric hydraulic cylinder 23, can adjust the height of support frame 1 like this, conveniently control and adjust the limit for height.

As shown in the attached drawing 1, the mounting plate 24 is installed at the bottom end of the electric hydraulic cylinder 23, and the mounting plate 24 is fixedly connected with the electric hydraulic cylinder 23, so that the mounting plate 24 can be fixed by bolts, the mounting plate 24 can support and stabilize the electric hydraulic cylinder 23, and the stability of the electric hydraulic cylinder 23 is ensured.

As shown in the attached drawing 3, the two sides of the buffer spring 4 are respectively welded and fixed with the stable block 3 and the concave frame 5 in pairs, the inner wall of the stable shaft ring 7 is movably connected with the buffer rod 6 through a bearing, so that when the stress of the concave frame 5 is applied to the buffer spring 4, the buffer spring 4 is initially applied to the stable block 3 for compression, and when the stress of the buffer rod 6 is buffered, the buffer rod 6 can be moved on the stable shaft ring 7.

As shown in fig. 2, two sides of the arc-shaped elastic plate 9 are respectively fixedly connected with the extrusion block 8 and the supporting block 10 pairwise, and the first air bag 12 and the second air bag 13 are fixedly bonded, so that when the supporting block 10 is impacted, the first air bag acts on the arc-shaped elastic plate 9, and the arc-shaped elastic plate 9 acts on the extrusion block 8, so that the arc-shaped elastic plate 9 is stressed and compressed to play a role in buffering.

The working principle of the utility model is as follows: when the height limiting plate 14 is impacted, impact force begins to act on the height limiting plate 14, the height limiting plate 14 drives the buffer rod 6 to move towards one side, the stable shaft collar 7 ensures stable extrusion of the buffer rod 6, the buffer rod 6 drives the concave frame 5 to move towards one side, the concave frame 5 drives the buffer spring 4 to move towards one side, so that the buffer spring 4 begins to compress on the stable block 3, the impact force is converted into elastic potential energy and then slowly released, meanwhile, the support block 10 moves towards one side under stress, the support block 10 drives the arc-shaped elastic plate 9 to begin to compress under stress, the impact force is further converted into elastic potential energy and then slowly released, then, the internal air can be contracted by compressing the first air bag 12 and the second air bag 13, the impact force is buffered again, and the buffer protection effect is effectively achieved, the bridge is protected.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a controllable limit for height device of road and bridge traffic, includes support frame (1), its characterized in that: one side of the support frame (1) is provided with a protection mechanism;

the protection mechanism comprises four buffer sleeve frames (2), a stabilizing block (3) is arranged in each buffer sleeve frame (2), one side of the stabilizing block (3) is connected with a buffer spring (4), one side of the buffer spring (4) is connected with a concave frame (5), a buffer rod (6) is arranged in the concave frame (5), a stable shaft collar (7) is sleeved outside the buffer rod (6), the middle part of one side of the supporting frame (1) is sequentially provided with two extrusion blocks (8) from left to right, one end of the extrusion block (8) is connected with an arc-shaped elastic plate (9), one side of the arc-shaped elastic plate (9) is connected with a supporting block (10), both sides of the extrusion block (8) are provided with air bag frames (11), a first air bag (12) is arranged in the air bag frames (11), a second air bag (13) is arranged on one side of the first air bag (12), and a height limiting plate (14) is welded at one end of the buffer rod (6).

2. The road and bridge traffic controllable height limiting device of claim 1, wherein: three concave blocks (15) are sequentially arranged on one side of the height limiting plate (14) from left to right, a disassembling block (16) is arranged inside the concave block (15), a disassembling rod (17) is arranged inside the disassembling block (16), the outer portion of the disassembling rod (17) is located on one side of the concave block (15) and is connected with an extension spring (18), one side of the extension spring (18) is connected with a pulling cap (19), and one side of the disassembling block (16) is connected with a height limiting identification supporting disc (20).

3. The road and bridge traffic controllable height limiting device of claim 1, wherein: the outside of the height limiting plate (14) is provided with a light reflecting frame (21), and the light reflecting frame (21) and the height limiting plate (14) are welded and fixed.

4. The road and bridge traffic controllable height limiting device of claim 1, wherein: the telescopic rod (22) is installed to support frame (1) bottom, telescopic rod (22) bottom is connected with electric hydraulic cylinder (23).

5. The road and bridge traffic controllable height limiting device of claim 4, wherein: mounting panel (24) are installed to electric hydraulic cylinder (23) bottom, fixed connection between mounting panel (24) and electric hydraulic cylinder (23).

6. The road and bridge traffic controllable height limiting device of claim 1, wherein: the two sides of the buffer spring (4) are respectively welded and fixed with the stabilizing block (3) and the concave frame (5) in pairs, and the inner wall of the stabilizing shaft ring (7) is movably connected with the outside of the buffer rod (6) through a bearing.

7. The road and bridge traffic controllable height limiting device of claim 1, wherein: the two sides of the arc-shaped elastic plate (9) are respectively fixedly connected with the extrusion block (8) and the supporting block (10) in pairs, and the first air bag (12) and the second air bag (13) are fixedly bonded.