CN220953088U - Road and bridge height limiting device - Google Patents
Road and bridge height limiting device Download PDFInfo
- Publication number
- CN220953088U CN220953088U CN202321765784.8U CN202321765784U CN220953088U CN 220953088 U CN220953088 U CN 220953088U CN 202321765784 U CN202321765784 U CN 202321765784U CN 220953088 U CN220953088 U CN 220953088U
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- height limiting
- supporting
- rod
- sliding
- frame
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 98
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a road and bridge height limiting device, and relates to the technical field of traffic facilities; comprises a portal frame and a height limiting assembly; the portal frame comprises supporting frames which are respectively positioned at two sides, each supporting frame comprises two symmetrical vertical supporting rods, each height limiting component comprises a plurality of groups of sliding rods which are parallel to each other, each sliding rod is positioned at the inner side of each supporting frame and is obliquely connected with the two supporting rods on the same supporting frame, each sliding rod is inclined relative to the ground, one end, close to the ground, of each sliding rod is provided with a sliding seat, and each sliding seat is rotatably provided with a height limiting rod connected with the sliding seat at the other side; the slide bar is connected with a buffer spring connected with the slide seat in series. The device can obviously reduce damage caused by collision when an overhigh vehicle passes through the portal frame, reduce economic loss, avoid economic blockage caused by the vehicle clamped at the position of the portal frame, and have obvious height limiting effect.
Description
Technical Field
The utility model relates to the technical field of traffic facilities, in particular to a road and bridge height limiting device.
Background
The height limiting frame is mainly used for door-type frameworks at the inlets of bridges, culverts and tunnels, and limits the highest height of the vehicle by the height of the cross rod at the upper part, is generally formed by welding steel structures, and plays a role in protecting the bridges, the culverts and the tunnels; the vehicle is provided with a signpost for indicating the vehicle, and the number of the signposts is limited. The height limiting frame is generally installed on urban streets and bridges, and because the pavement is fragile, large and heavy trucks cannot travel, the height limiting frame is required to be installed on the roads in order to avoid collapse of the roads and the bridges and protect the roads and the bridges.
The cross rod installed on the height limiting frame generally uses a fixed structure to limit traffic, but in actual use, when a driver neglects the existence of the height limiting frame or generates errors on vehicle height measurement, the vehicle greatly bounces and the like to pass through the height limiting frame, the problems of damage and the like of the vehicle, the height limiting frame and the like can be caused, the vehicle can be blocked under the height limiting frame and cannot play a role in protecting a road surface, economic losses of the height limiting frame and the vehicle can be caused, and meanwhile, the road surface is blocked under the height limiting frame due to the vehicle blocking, so that the vehicle can also have great negative influence.
Disclosure of utility model
The utility model aims to provide a road and bridge height limiting device which aims to solve the problems in the background technology. The height limiting device can effectively limit the passing height of the vehicle, meanwhile, the damage caused by the collision of the vehicle on the height limiting frame can be reduced, and the problems of traffic jam and the like are avoided.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A road and bridge height limiting device comprises a portal frame and a height limiting assembly; the portal frame comprises supporting frames which are respectively positioned at two sides, the supporting frames comprise two symmetrical vertical supporting rods, the height limiting assembly comprises a plurality of groups of sliding rods which are parallel to each other, the sliding rods are positioned at the inner side of the supporting frames and are obliquely connected with the two supporting rods on the same supporting frame, the sliding rods are inclined relative to the ground, one end, close to the ground, of each sliding rod is provided with a sliding seat in a sliding manner, and the sliding seats are rotatably provided with height limiting rods connected with the sliding seats at the other side; and the slide rod is connected with a buffer spring connected with the slide seat in series.
As a further scheme of the utility model: the portal frame comprises a connecting plate and a height limiting frame, wherein the height limiting frame is positioned at one end of the portal frame far away from the sliding seat, the height limiting frame is connected with supporting rods on the supporting frames at two sides, and the height of one side of the height limiting frame close to the ground is the same as that of the height limiting rod.
As still further aspects of the utility model: the connecting plate is located at one end of the portal frame far away from the height limiting frame, and the connecting plate is connected with the supporting rods on the supporting frames on two sides.
As still further aspects of the utility model: the display screen is arranged on the connecting plate, the camera is arranged on the display screen, and the loudspeaker is arranged on the connecting plate.
As still further aspects of the utility model: the support frame includes horizontal pole and stiffener, be connected with horizontal pole and cross connection's stiffener between the branch, the auxiliary rod of slope is installed in the branch outside.
As still further aspects of the utility model: the buffer spring comprises a plurality of groups of inner rings and outer rings which are sequentially connected in a nested mode, the inner rings and the outer rings are made of spring steel, the outer sides of the outer rings are cylindrical surfaces, the inner sides of the outer rings are symmetrical conical surfaces, the inner sides of the inner rings are cylindrical surfaces, the outer sides of the inner rings are symmetrical conical surfaces, and the conical surfaces of the inner rings are attached to the conical surfaces of the outer rings.
Compared with the prior art, the utility model has the beneficial effects that:
By adopting the road and bridge height limiting device, the device can buffer collision caused by misjudgment of a driver and the like relatively gently while limiting the height, so that the damage to the height limiting equipment and vehicles caused by direct collision and collision is avoided, the safety is improved while the height is effectively limited, the economic damage is reduced, and the problem of traffic jam caused by vehicle jam is also avoided;
By adopting the road and bridge height limiting device, the device is provided with the sliding seats by using the sliding rods with a certain inclination angle, the height limiting rods are arranged between the sliding seats and used for limiting the height, when a vehicle is in misjudgment and collides on the height limiting rods, the height limiting rods can slide to a certain extent along with the sliding seats, meanwhile, the sliding process is influenced by the extremely large resistance generated by the buffer springs, a driver can find the collision condition and can also buffer and reduce the collision damage, after the collision, the height limiting rods are retracted and can be gradually lifted, the driver cannot be blocked after the collision, the driver can be retracted from the container to avoid traffic jam, in addition, the rear side of the device is also provided with the supplementary height limiting frame, if the driver collides with the height limiting rods, the driver is lifted up, and is remitted of going forward, the driver is thoroughly blocked by the height limiting frame, and the driver is prevented from passing through the device.
Drawings
Fig. 1 is a schematic structural view of a road and bridge height limiting device.
Fig. 2 is a schematic diagram of the front structure of the road and bridge height limiting device.
Fig. 3 is a schematic structural view of a buffer spring in the road and bridge height limiting device.
In the figure: 1. a support rod; 2. a cross bar; 3. a buffer spring; 4. a reinforcing rod; 5. a support frame; 6. a height limiting assembly; 7. a sliding seat; 8. a connecting plate; 9. a display screen; 10. a height limiting rod; 11. an auxiliary lever; 12. a height limiting frame; 13. a portal frame; 14. a slide bar; 15. a camera; 16. an outer ring; 17. an inner ring; 18. and amplifying the loudspeaker.
Description of the embodiments
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.
Referring to fig. 1 to 3, in embodiment 1 of the present utility model, a road and bridge height limiting device includes a portal frame 13 and a height limiting assembly 6; the portal frame 13 comprises supporting frames 5 which are respectively positioned at two sides, the supporting frames 5 comprise two symmetrical vertical supporting rods 1, the height limiting assembly 6 comprises a plurality of groups of sliding rods 14 which are parallel to each other, the sliding rods 14 are positioned at the inner side of the supporting frames 5 and are obliquely connected with the two supporting rods 1 on the same supporting frame 5, the sliding rods 14 are inclined relative to the ground, one end, close to the ground, of each sliding rod 14 is slidably provided with a sliding seat 7, and the sliding seat 7 is rotatably provided with a height limiting rod 10 connected with the sliding seat 7 at the other side; the slide bar 14 is connected with a buffer spring 3 connected with the slide seat 7 in series.
The device uses a portal frame 13 installed on a road or a bridge as a support, wherein the portal frame 13 comprises supporting frames 5 respectively positioned on two sides of the road, each supporting frame 5 comprises at least two vertical supporting rods 1 arranged along the road surface, a sliding rod 14 is installed on the inner side of each supporting rod 1, and the sliding rod 14 is inclined to the ground in the coming direction. The slide bar 14 is connected with the slide seat 7 in series, a height limiting rod 10 crossing the upper part of the road surface is connected between the slide seats 7, and meanwhile, the slide bar 14 is sleeved with the buffer spring 3 for providing support for the slide seat 7.
Under the action of the buffer spring 3 and self gravity, the height limiting rod 10 is positioned at the lowest position of the slide rod 14, and the height is taken as the height limiting height. If the vehicle collides with the height limiting rod 10 due to misjudgment and other reasons, the external force can enable the sliding seat 7 to retreat along the sliding rod 14 so as to reduce damage caused by collision, and huge resistance is generated along with deformation of the buffer spring 3 when retreating, so that a driver can clearly realize that the vehicle collides and can park and retreat. The device uses the inclined slide bar 14, so that the height of the device can be continuously raised along with the retreating of the height limiting rod 10, and therefore, for vehicles with the height very close to the height limiting rod 10 and clamped below the height limiting rod 10, after the height limiting rod 10 moves forwards for a small distance, the height limiting rod 10 can be lifted, the vehicles are not clamped any more, the vehicles can retreat, and the blockage caused by the clamping of the vehicles is avoided.
The device can ensure the passing of vehicles with higher limit, and simultaneously lighten the damage of the device and the vehicles caused by the collision when encountering the collision of the vehicles, thereby reducing the economic cost and avoiding the problem that the vehicles are blocked to cause traffic jam.
As another embodiment of the present utility model, referring to fig. 1 to 3, the main difference between the present embodiment 2 and the embodiment 1 is that:
Referring to fig. 1 and 2, in embodiment 2 of the present utility model, the gantry 13 includes a connection plate 8 and a height-limiting frame 12, the height-limiting frame 12 is located at one end of the gantry 13 far away from the sliding seat 7, the height-limiting frame 12 is connected to the struts 1 on the supporting frames 5 at two sides, and the height of the side of the height-limiting frame 12 near the ground is the same as the height of the height-limiting rod 10. The height limiting frame 12 is located at the rear of the portal frame 13, and the height limiting rod 10 is mainly used as a height limiting tool, but because the height limiting rod 10 of the device adopts a structure capable of buffering and lifting, part of the movement of the driver can exist, and the driver passes through the device in a lifting way by the height limiting rod 10, the height limiting frame 12 is arranged at the rear, and vehicles which still go forward after encountering collision are blocked.
Referring to fig. 1 and 2, the connecting plate 8 is located at one end of the gantry 13 away from the height limiting frame 12, and the connecting plate 8 is connected to the struts 1 on the supporting frames 5 at two sides. The connecting plate 8 is matched with the supporting frame 5 and the height limiting frame 12 to form a complete frame-shaped structure, so that the supporting strength is improved, and the connecting plate is used for installing other equipment.
Referring to fig. 1 and 2, the display screen 9 is mounted on the connection board 8, the camera 15 is mounted on the display screen 9, and the loudspeaker 18 is mounted on the connection board 8. The display screen 9, or a billboard, a display board, etc. is installed on the connection board 8 for displaying information, playing advertisements or notices, etc., the camera 15 identifies the vehicle, makes a determination on the height of the vehicle, and the loudspeaker 18 is used for playing information, or playing warning of the vehicle over height.
Referring to fig. 1 and 2, the supporting frame 5 includes a cross bar 2 and a reinforcing bar 4, the cross bar 2 and the cross-connected reinforcing bar 4 are connected between the supporting bars 1, and an inclined auxiliary bar 11 is installed at the outer side of the supporting bar 1. The connection between the two struts 1 is stabilized by the cross rod 2 and the reinforcing rod 4, so that sufficient supporting capacity is provided for the height limiting rod 10, and the outer auxiliary rod 11 is connected with the ground as the struts 1, so that the stability is enhanced.
Referring to fig. 3, the buffer spring 3 includes a plurality of groups of inner rings 17 and outer rings 16 that are sequentially nested and connected, the inner rings 17 and the outer rings 16 are made of spring steel, the outer side of the outer rings 16 is a cylindrical surface, the inner side is a symmetrical conical surface, the inner side of the inner rings 17 is a cylindrical surface, the outer side is a symmetrical conical surface, and the conical surfaces of the inner rings 17 and the outer rings 16 are attached. The annular springs formed by the inner rings 17 and the outer rings 16 can buffer impact through self shrinkage deformation, the special structure of the annular springs ensures that a sufficient buffer effect can be provided for large loads such as vehicle collision and the like, and the springs rebound slowly after buffering, so that time can be reserved for vehicle reversing, the outwards-popped distance after rebound is short, and the sliding seat 7 cannot collide at the corner position of the sliding rod 14.
The working principle of the utility model is as follows:
The device uses the support frames 5 positioned on two sides of a road to jointly form the portal frame 13, the support frames 5 comprise at least two supporting rods 1, a sliding rod 14 positioned on the inner side of the portal frame 13 is connected between the supporting rods 1, one end, close to the direction of coming vehicles, of the sliding rod 14 inclines towards one side of the ground, a sliding seat 7 is slidably mounted on the sliding rod 14, a height limiting rod 10 is rotatably connected between the sliding seat 7 and the sliding seat 7 on the other side, a height limiting frame 12 with the same height as the height limiting rod 10 is mounted on the other end, far away from the height limiting rod 10, of the portal frame 13, and a buffer spring 3 connected with the sliding seat 7 is sleeved on the sliding rod 14. The device uses the height limiting rod 10 to block an incoming vehicle, when the condition that the vehicle collides with the height limiting rod 10 occurs, the height limiting rod 10 can retreat a certain distance, damage caused by vibration is reduced, meanwhile, the buffer spring 3 is used for buffering, a driver can definitely feel collision, so that the driver is caused to park and back, the height limiting rod 10 can retreat and simultaneously lift by a small extent, the problem that the vehicle is blocked below the height limiting rod 10 is avoided, meanwhile, the height limiting frame 12 makes a blocking at the rear, and the phenomenon that the driver can attempt to forcedly pass through the device through lifting the height limiting rod 10 when colliding is avoided.
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 (6)
1. A road and bridge height limiting device comprises a portal frame and a height limiting assembly; the device is characterized in that the portal frame comprises supporting frames which are respectively positioned at two sides, the supporting frames comprise two symmetrical vertical supporting rods, the height limiting assembly comprises a plurality of groups of sliding rods which are parallel to each other, the sliding rods are positioned at the inner side of the supporting frames and are obliquely connected with the two supporting rods on the same supporting frame, the sliding rods are inclined relative to the ground, one end, close to the ground, of each sliding rod is slidably provided with a sliding seat, and the sliding seats are rotatably provided with height limiting rods connected with the sliding seats at the other side; and the slide rod is connected with a buffer spring connected with the slide seat in series.
2. The road and bridge height limiting device according to claim 1, wherein the portal frame comprises a connecting plate and a height limiting frame, the height limiting frame is located at one end of the portal frame far away from the sliding seat, the height limiting frame is connected with the supporting rods on the supporting frames on two sides, and the height of one side of the height limiting frame close to the ground is the same as the height of the height limiting rod.
3. The road and bridge height limiting device according to claim 2, wherein the connecting plate is located at one end of the portal frame far away from the height limiting frame, and the connecting plate is connected with the supporting rods on the supporting frames at two sides.
4. The road and bridge height limiting device according to claim 3, wherein a display screen is installed on the connecting plate, a camera is installed on the display screen, and a loudspeaker is installed on the connecting plate.
5. The road and bridge height limiting device according to claim 1, wherein the supporting frame comprises a cross rod and a reinforcing rod, the cross rod and the cross-connected reinforcing rod are connected between the supporting rods, and an inclined auxiliary rod is arranged on the outer side of each supporting rod.
6. The road and bridge height limiting device according to claim 1, wherein the buffer spring comprises a plurality of groups of inner rings and outer rings which are sequentially connected in a nested mode, the inner rings and the outer rings are made of spring steel, the outer sides of the outer rings are cylindrical surfaces, the inner sides of the outer rings are symmetrical conical surfaces, the inner sides of the inner rings are cylindrical surfaces, the outer sides of the inner rings are symmetrical conical surfaces, and the conical surfaces of the inner rings are attached to the conical surfaces of the outer rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321765784.8U CN220953088U (en) | 2023-07-06 | 2023-07-06 | Road and bridge height limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321765784.8U CN220953088U (en) | 2023-07-06 | 2023-07-06 | Road and bridge height limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220953088U true CN220953088U (en) | 2024-05-14 |
Family
ID=90976925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321765784.8U Active CN220953088U (en) | 2023-07-06 | 2023-07-06 | Road and bridge height limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220953088U (en) |
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2023
- 2023-07-06 CN CN202321765784.8U patent/CN220953088U/en active Active
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