CN215714824U - Height limiting frame for municipal road - Google Patents
Height limiting frame for municipal road Download PDFInfo
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- CN215714824U CN215714824U CN202120703293.5U CN202120703293U CN215714824U CN 215714824 U CN215714824 U CN 215714824U CN 202120703293 U CN202120703293 U CN 202120703293U CN 215714824 U CN215714824 U CN 215714824U
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- supporting seat
- limiting frame
- buffer spring
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Abstract
The utility model relates to an elevation limiting frame for a municipal road. The height limiting frame for the municipal road comprises a base, a supporting seat, a supporting rod, a buffer spring and a height limiting rod, wherein the base is buried under the asphalt pavement, the supporting seat is fixed on the base and extends out of the asphalt pavement, the supporting rod is slidably assembled in the corresponding supporting seat so as to enable the supporting seat to move back and forth in the length direction of the supporting seat, the supporting seat is provided with two supporting seats, the length direction of the supporting seat is perpendicular to the length direction of the base, and the two supporting seats are symmetrically arranged in the length direction of the base; two support rods are arranged and extend out of the support seat; the buffer spring is positioned in the supporting seat, one end of the buffer spring is connected with the supporting seat, the other end of the buffer spring is connected with the supporting rod, and the telescopic direction of the buffer spring is the same as the length direction of the supporting seat; the height limiting rods are two, the two height limiting rods are respectively assembled with the corresponding support rods in a rotating mode, and the two height limiting rods are connected through rubber connectors. When the height limiting frame is impacted by a vehicle, the damage degree of the height limiting frame and the vehicle can be reduced to the greatest extent, and the loss is reduced.
Description
Technical Field
The utility model belongs to the technical field of traffic safety facilities, and particularly relates to an elevation limiting frame for a municipal road.
Background
The height limiting frame is generally applied to the positions, such as bridges and tunnels, where the passing height of vehicles is limited, and has the function of blocking the passing of ultrahigh vehicles, so that the bridges and the tunnels are prevented from being damaged. The common structure of the height limiting frame is generally in a door shape and comprises two upright posts and a height limiting cross beam at the top, and when an ultrahigh vehicle forcibly passes through the height limiting frame, the ultrahigh vehicle can collide with the height limiting cross beam at the top, so that the passage of the ultrahigh vehicle is limited.
The existing height limiting frame is mostly made by welding channel steel and angle steel, when an ultrahigh vehicle collides with a cross beam, the hit-and-trouble vehicle and the height limiting frame are easily damaged together, the damaged height limiting frame cannot be recovered, a large amount of manpower and material resources are needed for rush repair, traffic jam is caused lightly, inconvenience is brought to normal travel of people, and casualties and huge economic losses are caused heavily.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide an elevation limiting frame for a municipal road, so as to solve the technical problem that the elevation limiting frame is easy to damage when a vehicle collides with the elevation limiting frame in the prior art.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the limit for height frame for town road includes:
a base for being buried under an asphalt pavement;
the supporting seats are fixed on the base and extend out of the asphalt pavement, the number of the supporting seats is two, the length direction of the supporting seats is perpendicular to that of the base, and the two supporting seats are symmetrically arranged in the length direction of the base;
the bottom ends of the two support rods are respectively assembled in the corresponding support seats in a sliding manner so that the support rods can move back and forth in the length direction of the support seats, and the support rods all extend out of the support seats;
the buffer spring is positioned in the supporting seat, one end of the buffer spring is connected with the supporting seat, the other end of the buffer spring is connected with the supporting rod, and the telescopic direction of the buffer spring is the same as the length direction of the supporting seat;
the height limiting rods are provided with two height limiting rods which are respectively assembled with the corresponding support rods in a rotating mode, and the two height limiting rods are connected through rubber connectors.
The beneficial effects of the above technical scheme are: when the height limiting frame for the municipal road collides with an ultrahigh vehicle, the height limiting rod can drive the supporting rod to move along the length direction of the supporting seat along with the continuous advance of the ultrahigh vehicle, so that the stress of the buffer spring is in a stretching state, a certain reaction time can be reserved for a driver, the driver can stop in time, the height limiting frame can play a role in height limiting prompt, the damage to the height limiting frame and the ultrahigh vehicle can be avoided, and the loss is reduced; in addition, when the ultrahigh vehicle fails to stop within the moving stroke range of the supporting rod, the rubber connector between the two height limiting rods can be broken in the process of continuous operation of the vehicle, and at the moment, the height limiting rods can rotate relative to the supporting rod, so that the damage of the height limiting frame for the municipal road is further prevented.
Furthermore, be fixed with the electric cabinet on the bracing piece, the internally mounted of electric cabinet has the buzzer siren, and the limit for height frame still includes the stay cord switch that is in buffer spring for the town road, and the stay cord switch is connected with the buzzer siren electricity.
Has the advantages that: the bracing piece atress can make the stay cord switch pull open along the in-process that the supporting seat removed to make the buzzer siren report to the police, remind the driver to notice.
Furthermore, a wheel groove is arranged in the supporting seat, and a roller which is matched with the wheel groove in a rolling manner is arranged on the part of the supporting rod extending into the supporting seat.
Has the advantages that: adopt the gyro wheel can reduce with the frictional force between the wheel groove wall to when super high vehicle striking limit for height frame, the bracing piece removes more easily, with the impact of buffering vehicle, thereby furthest reduces the damage of vehicle and limit for height frame.
Further, the bracing piece includes the body of rod and connects the slider in the body of rod bottom, and the slider sliding assembly is in the supporting seat, the gyro wheel is installed on the bottom surface and four sides of slider, buffer spring and slider fixed connection.
Has the advantages that: simple structure and convenient assembly.
Further, limit for height frame for town road still includes torsion assembly, torsion assembly including install the positioning seat at body of rod top, rotate the lasso of assembly on the positioning seat and with the torsion spring that the inner wall of lasso and positioning seat are connected, the one end of keeping away from the rubber connector of limit for height pole and the outer wall fixed connection of lasso.
Has the advantages that: adopt torsion assembly can guarantee the firm nature of assembly between limit for height pole and the bracing piece when not receiving the impact to when limit for height pole receives the striking, can the maximum degree cushion the impact of vehicle under torsion spring's torsion effect.
Furthermore, the length of the rod body is adjustable.
Has the advantages that: the height limit rod can adjust the height limit, so that the height limit rod can meet the height limit requirements of different positions on a road.
Further, the body of rod includes the sleeve pipe with slider fixed connection and sets up at the intraductal flexible section that can follow the sheathed tube axial and reciprocate that is equipped with the scale strip of arranging along its axial on the surface of flexible section.
Has the advantages that: the arrangement of the scale bars facilitates accurate adjustment of the height limit rod.
Drawings
FIG. 1 is a schematic view of the overall plan structure of the height limiting frame for municipal roads of the utility model;
FIG. 2 is a schematic plan view of the torsion assembly of the present invention in an elevation-limiting frame for a town road;
FIG. 3 is a schematic view of the internal plane structure of an electric cabinet in the height-limiting frame for the town road;
fig. 4 is a schematic plan view of the structure of the town road elevation limiting frame of the present invention at the area of the display roller.
Description of reference numerals: 1. a base; 2. a supporting seat; 3. a wheel groove; 4. a buffer spring; 5. a roller; 6. a slider; 7. an electric cabinet; 8. clamping a hoop; 9. a sleeve; 10. jacking the bolt; 11. a telescopic section; 12. a scale bar; 13. a torsion assembly; 14. a height limiting rod; 15. a rubber connector; 16. a pull-cord switch; 17. positioning seats; 18. a torsion spring; 19. a ferrule; 20. positioning a nut; 21. a buzzer alarm; 22. an asphalt pavement.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
The utility model discloses a specific embodiment of an elevation limiting frame for a municipal road, which comprises the following steps:
as shown in fig. 1, 2, 3 and 4, the height-limiting frame for the town road comprises a base 1, a supporting seat 2, a supporting rod and a height-limiting rod 14.
Specifically, in this embodiment, the base 1 is fixed below the asphalt pavement 22. Supporting seat 2 is equipped with two, and equal fixed mounting is on base 1, and outside bituminous paving 22 was stretched out to supporting seat 2, the length direction of supporting seat 2 and the length direction mutually perpendicular of base 1. Two supporting seats 2 are symmetrically arranged in the length direction of the base 1, and the two supporting rods are arranged on the corresponding supporting seats in a sliding manner. The two height limiting rods 14 are also arranged and are respectively rotatably assembled at the tops of the corresponding supporting rods, and the two height limiting rods 14 are connected together by rubber connectors 15.
As shown in fig. 1 and 4, the support rod comprises a rod body and a sliding block 6 connected to the bottom end of the rod body, rollers 5 are mounted on four side surfaces of the sliding block 6 and the bottom surface of the sliding block 6, and a roller groove 3 matched with the rollers 5 is arranged in the support seat 2. When the installation, slider 6 is installed inside supporting seat 2, and gyro wheel 5 on the slider 6 and the cell wall roll cooperation of race 3 have reduced frictional force between the two, through the round trip roll of gyro wheel 5, realize the reciprocating motion of bracing piece in supporting seat 2 length direction. In order to prevent the support rod from moving along the length direction of the support seat without limitation, a buffer spring 4 is arranged between the slide block 6 and the groove wall of the wheel groove 3, namely, one end of the buffer spring 4 is connected with the support seat 2, the other end of the buffer spring is connected with the slide block 6, and the telescopic direction of the buffer spring 4 is the same as the length direction of the support seat 2.
In order to meet the requirements of different height restrictions, in the present embodiment, the rod body is a telescopic rod body with adjustable length, and includes a sleeve 9 fixedly connected with the slider 6 and a telescopic section 11 disposed in the sleeve 9 and capable of moving up and down along the axial direction of the sleeve 9, and the sleeve 9 is installed at the top center position of the slider 6. The exposed length of the telescopic section 11 relative to the sleeve 9 is adjusted, the height of the height limiting rod 14 is adjusted, and after the adjustment is finished, the telescopic section 11 is locked at the current position through the tightening bolt 10 outside the sleeve 9. In order to enable the height of the height limiting rod 14 to be adjusted more accurately, the outer surface of the telescopic section 11 is provided with scale strips 12 which are arranged along the axial direction of the telescopic section, and when the telescopic section is adjusted, corresponding scale marks on the scale strips 2 are enabled to be flush with the upper end face of the sleeve 9.
Be fixed with electric cabinet 7 through clamp 8 on the sleeve pipe 9, as shown in fig. 3, the internally mounted of electric cabinet 7 has buzzer siren 21, and one side of slider 6 is installed and is located the inside stay cord switch 16 of buffer spring 4, and stay cord switch 16 is connected with buzzer siren 21 electricity, and at the in-process of the inside motion of slider 6 atress at supporting seat 2, make stay cord switch 16 pull open, and buzzer siren 21 reports to the police, reminds the driver to pay attention to.
A torsion assembly 13 is mounted on the top of the telescoping section 11. As shown in fig. 2, the torsion assembly 13 includes a positioning seat 17, a torsion spring 18, a ferrule 19 and a positioning nut 20, the positioning seat 17 is fixed at the top of the telescopic section 11, the positioning seat 17 is rotatably connected with the ferrule 19 through the positioning nut 20, the height-limiting rod 14 is fixedly connected with the outer wall of the ferrule 19, and the inner wall of the ferrule 19 is connected with the positioning seat 17 through the torsion spring 18. When the height-limiting rods are subjected to overlarge external force to break the rubber connectors between the two height-limiting rods, the height-limiting rods 14 rotate under the action of the torsion springs 18, so that the height-limiting frame for the municipal road is prevented from being damaged.
When the height limiting device is used, when an ultrahigh vehicle contacts the height limiting rod 14, the height limiting rod 14 can move forward along with the ultrahigh vehicle along with the continuous forward movement of the ultrahigh vehicle, so that the sliding block 6 is driven to move in the length direction of the supporting seat 2 in the supporting seat 2, the buffer spring 4 is stressed to be stretched, a certain reaction time can be reserved for a driver under the buffer action of the buffer spring 4, the driver can stop the vehicle in time, the height limiting device not only can play a role in height limiting, but also can avoid the damage of a height limiting frame and the ultrahigh vehicle, and the loss is reduced. When the vehicle fails to stop within the moving stroke range of the sliding block 6, the rubber connector 15 between the two height limiting rods 14 can be broken during the continuous operation of the vehicle, so that the height limiting rods 14 can rotate under the action of the torsion spring 18, and the height limiting frame for the municipal road is prevented from being further deformed and damaged. In the process that the sliding block 6 moves in the supporting seat 2, the pull-cord switch 16 can be pulled open, and then the buzzer alarm 21 gives an alarm to remind a driver of paying attention.
The height limiting frame for the municipal road is simple and novel in overall structure, can remind a driver, reserve certain reaction time for the driver to stop in time during collision, protect the personal safety of the driver, avoid deformation and damage of the height limiting frame to the greatest extent and reduce loss.
In other embodiments, a slide rail may be disposed in the support seat, and a slide groove may be disposed on the slide block, at which time the roller on the bottom surface of the slide block is replaced by the slide groove, and the slide groove may slide back and forth on the slide rail.
In other embodiments, if the limited height on the road is a fixed value, the rod body can be a rod body with a fixed length, and the length of the rod body cannot be adjusted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An elevation limiting frame for a municipal road is characterized by comprising:
a base for being buried under an asphalt pavement;
the supporting seats are fixed on the base and extend out of the asphalt pavement, the number of the supporting seats is two, the length direction of the supporting seats is perpendicular to that of the base, and the two supporting seats are symmetrically arranged in the length direction of the base;
the bottom ends of the two support rods are respectively assembled in the corresponding support seats in a sliding manner so that the support rods can move back and forth in the length direction of the support seats, and the support rods all extend out of the support seats;
the buffer spring is positioned in the supporting seat, one end of the buffer spring is connected with the supporting seat, the other end of the buffer spring is connected with the supporting rod, and the telescopic direction of the buffer spring is the same as the length direction of the supporting seat;
the height limiting rods are provided with two height limiting rods which are respectively assembled with the corresponding support rods in a rotating mode, and the two height limiting rods are connected through rubber connectors.
2. The height-limiting frame for the municipal road according to claim 1, wherein an electric cabinet is fixed on the support rod, a buzzer alarm is installed inside the electric cabinet, and the height-limiting frame for the municipal road further comprises a pull-cord switch in the buffer spring, and the pull-cord switch is electrically connected with the buzzer alarm.
3. The height-limiting frame for the municipal road according to claim 1 or 2, wherein the supporting seat is provided with a wheel groove, and the part of the supporting rod extending into the supporting seat is provided with a roller which is in rolling fit with the wheel groove.
4. The height-limiting frame for the municipal road according to claim 3, wherein the supporting rod comprises a rod body and a sliding block connected to the bottom end of the rod body, the sliding block is slidably assembled in the supporting seat, the rollers are installed on the bottom surface and four side surfaces of the sliding block, and the buffer spring is fixedly connected with the sliding block.
5. The height-limiting frame for the municipal road according to claim 4, further comprising a torsion assembly, wherein the torsion assembly comprises a positioning seat mounted at the top of the rod body, a ferrule rotatably mounted on the positioning seat, and a torsion spring connecting the inner wall of the ferrule with the positioning seat, and one end of the height-limiting rod, which is far away from the rubber connector, is fixedly connected with the outer wall of the ferrule.
6. The height-limiting frame for the municipal road according to claim 4 or 5, wherein the length of the rod body is adjustable.
7. The height limiting frame for the municipal road according to claim 6, wherein the rod body comprises a sleeve fixedly connected with the sliding block and a telescopic section which is arranged in the sleeve and can move up and down along the axial direction of the sleeve, and scale strips arranged along the axial direction of the telescopic section are arranged on the outer surface of the telescopic section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120703293.5U CN215714824U (en) | 2021-04-07 | 2021-04-07 | Height limiting frame for municipal road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120703293.5U CN215714824U (en) | 2021-04-07 | 2021-04-07 | Height limiting frame for municipal road |
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| Publication Number | Publication Date |
|---|---|
| CN215714824U true CN215714824U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120703293.5U Active CN215714824U (en) | 2021-04-07 | 2021-04-07 | Height limiting frame for municipal road |
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| Country | Link |
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| CN (1) | CN215714824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319988A (en) * | 2022-02-10 | 2022-04-12 | 上海市城市建设设计研究总院（集团）有限公司 | Rotating type traffic sign portal frame and construction method |
-
2021
- 2021-04-07 CN CN202120703293.5U patent/CN215714824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319988A (en) * | 2022-02-10 | 2022-04-12 | 上海市城市建设设计研究总院（集团）有限公司 | Rotating type traffic sign portal frame and construction method |
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