CN210857027U - Portal frame with adjustable municipal administration road bridge is with anticollision - Google Patents
Portal frame with adjustable municipal administration road bridge is with anticollision Download PDFInfo
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- CN210857027U CN210857027U CN201921181412.4U CN201921181412U CN210857027U CN 210857027 U CN210857027 U CN 210857027U CN 201921181412 U CN201921181412 U CN 201921181412U CN 210857027 U CN210857027 U CN 210857027U
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Abstract
The utility model discloses an anticollision adjustable portal frame for a municipal road bridge, which comprises two parallel supporting rods, wherein an anticollision beam buffer structure is arranged between the two supporting rods and consists of an anticollision beam and a corrugated plate, and a first damping device and a second damping device are alternately arranged between the anticollision beam and the corrugated plate at intervals; the first damping device comprises a first pi-shaped support, an air bag arranged at the top of the first pi-shaped support and an arc-shaped elastic sheet arranged in an inner cavity of the first pi-shaped support; the support legs of the first pi-shaped support and the support legs of the arc-shaped elastic sheet are fixed on the anti-collision cross beam, one end of the air bag abuts against the top of the first pi-shaped support, and the other end of the air bag abuts against the wave trough of the corrugated plate; the second damping device comprises a second pi-shaped support and a buffer spring arranged in an inner cavity of the second pi-shaped support. The utility model discloses, can realize the regulation to anticollision roof beam buffer structure height, can be applicable to various roads.
Description
Technical Field
The utility model relates to a town road bridge technical field specifically is a portal frame with adjustable anticollision for town road bridge.
Background
The height-limiting portal frame for the municipal road and bridge is a door frame type frame for limiting the height of the road and bridge, two columns of the height-limiting portal frame are similar to a dragon column and are used for the road and bridge, so that the height-limiting portal frame for the municipal road and bridge is vivid, the too high vehicle body runs inside a city to easily cause traffic accidents due to the fact that road traffic inside the city is busy, and the height-limiting portal frame is arranged to give a vehicle height forced warning limit so as to guarantee the safe operation of the city road. The height limiting portal frame for the existing municipal road bridge is difficult to change the height of the height limiting rod, and cannot be applied to various roads, and the traditional portal frame has no anti-collision function, so that the buffering effect is poor, and the trafficability of the vehicle is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portal frame with adjustable town road bridge is with anticollision to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-collision adjustable portal frame for municipal road bridges comprises two support rods arranged in parallel, an anti-collision beam buffer structure is arranged between the two support rods, the anti-collision beam buffer structure is composed of an anti-collision cross beam and a corrugated plate, and a first damping device and a second damping device are alternately arranged between the anti-collision cross beam and the corrugated plate at intervals; the first damping device comprises a first pi-shaped support, an air bag arranged at the top of the first pi-shaped support and an arc-shaped elastic sheet arranged in an inner cavity of the first pi-shaped support; the support legs of the first pi-shaped support and the support legs of the arc-shaped elastic sheet are fixed on the anti-collision cross beam, one end of the air bag abuts against the top of the first pi-shaped support, and the other end of the air bag abuts against the wave trough of the corrugated plate; the second damping device comprises a second pi-shaped bracket and a buffer spring arranged in an inner cavity of the second pi-shaped bracket; the top of the second pi-shaped support is fixed with the anti-collision cross beam, and two support legs of the second pi-shaped support are respectively fixed at the positions of the wave crests adjacent to the corrugated plate.
Preferably, the equal fixed mounting in both ends lateral wall of anticollision crossbeam and wave plate has the connecting block, every the bracing piece inner wall that the equal fixed connection of outer wall of connecting block corresponds, the through-hole has been seted up to the outer wall of bracing piece, be provided with expansion bolts in the inner chamber of through-hole, the connecting block is kept away from one side outer wall of anticollision roof beam buffer structure and is seted up the recess that matches with expansion bolts, the bracing piece passes through expansion bolts and connecting block fixed connection.
Preferably, the outer wall of connecting block is seted up threadedly, two the installation screw that matches with the connecting block screw thread is all seted up to the inner wall of bracing piece, anticollision roof beam buffer structure is connected with the bracing piece through the installation screw.
Preferably, the bottom of the two supporting rods is fixedly provided with a base, and the base is provided with a fixing bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the mounting screw holes and the through holes are sequentially arranged on the support rod in equal parts from top to bottom, so that the height of the buffer structure of the anti-collision beam can be adjusted, the anti-collision beam can be suitable for various roads, the expansion bolts are further limited, the structure is simple, and the applicability and the practicability of the height-limiting portal frame of the municipal road bridge are facilitated;
2. through the setting of anticollision roof beam buffer structure inner structure, thereby the anticollision effect has been realized, make the buffering effect of this portal frame improve greatly, produce harm when can effectually avoiding the vehicle striking, through producing deformation and the energy-absorbing, the negative effects that striking inertia brought that can significantly reduce through the part setting of mounting panel, can avoid the vehicle striking to exert pressure to a point, can effectual branch can, thereby can improve the security of road.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the impact beam buffering structure shown in fig. 1 according to the present invention.
In the figure: 1. a support bar; 2. mounting a screw hole; 3. an impact beam cushioning structure; 4. a through hole; 5. an expansion bolt; 6. connecting blocks; 31. an anti-collision beam; 32. a corrugated plate; 33. a first pi-shaped stent; 34. a buffer spring; 35. an arc-shaped elastic sheet; 36. an air bag; 37. a second pi-shaped stent.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, in an embodiment of the present invention, an anti-collision adjustable portal frame for a municipal road bridge includes two support rods 1 arranged in parallel, an anti-collision beam buffer structure 3 is installed between the two support rods 1, the anti-collision beam buffer structure 3 is composed of an anti-collision beam 31 and a corrugated plate 32, and a first damping device and a second damping device are alternately arranged between the anti-collision beam 31 and the corrugated plate 32 at intervals; the first damping device comprises a first pi-shaped support 33, an air bag 36 arranged at the top of the first pi-shaped support 33 and an arc-shaped elastic sheet 35 arranged in an inner cavity of the first pi-shaped support 33; the support legs of the first pi-shaped bracket 33 and the support legs of the arc-shaped elastic sheets 35 are fixed on the anti-collision cross beam 31, one end of the air bag 36 abuts against the top of the first pi-shaped bracket 33, and the other end of the air bag abuts against the wave trough of the corrugated plate 32; the second damping device comprises a second pi-shaped bracket 37 and a buffer spring 34 arranged in an inner cavity of the second pi-shaped bracket; the top of the second pi-shaped bracket 37 is fixed with the anti-collision beam 31, two support feet of the second pi-shaped bracket are respectively fixed at the positions of wave crests adjacent to the corrugated plate 32, connecting blocks 6 are respectively and fixedly installed on the side walls of two ends of the anti-collision beam 31 and the corrugated plate 32, the outer wall of each connecting block 6 is fixedly connected with the corresponding inner wall of the supporting rod 1, the outer wall of each supporting rod 1 is provided with a through hole 4, an expansion bolt 5 is arranged in the inner cavity of each through hole 4, the outer wall of one side, away from the anti-collision beam buffer structure 3, of each connecting block 6 is provided with a groove matched with the expansion bolt 5, the supporting rod 1 is fixedly connected with the connecting block 6 through the expansion bolt 5, the outer wall of each connecting block 6 is provided with threads, the inner walls of the two supporting rods 1 are respectively provided with installation screw holes 2 matched with, the bottom of two bracing pieces 1 is equal fixed mounting has the base, installs fixing bolt on the base.
The utility model discloses a theory of operation is: the worker can firstly directly screw the connecting blocks 6 at the two ends of the anti-collision beam buffer structure 3 into the mounting screw holes 2 corresponding to the supporting rods 1 to mount the anti-collision beam buffer structure 3, then insert the expansion bolts 5 into the through holes 4 on the outer wall of the supporting rods 1, and the outer wall of one side of the connecting blocks 6, which is far away from the anti-collision beam buffer structure 3, is provided with grooves matched with the expansion bolts 5, the tail ends of the expansion bolts 5 can extend into the grooves of the connecting blocks 6 during mounting, so that the supporting rods 1 and the anti-collision beam buffer structure 3 can be further mounted, the structure is more stable, when an automobile or other vehicles impact the anti-collision beam buffer structure 3, the air bag 36 buffer spring 34 and the arc-shaped elastic sheet 35 are deformed, when the impact pressure is too large, the first pi-shaped support 33 and the second pi-shaped support 37 can be deformed greatly, and even are pulled to perform, the huge impact force to the vehicle produces and alleviates, through producing deformation and the energy-absorbing, the negative effects that striking inertia that can significantly reduce brought, through first damping device and second damping device's setting in turn, can avoid the vehicle striking to exert pressure to a point, can effectual dispersed energy to realized anticollision effect, make the buffering effect of this portal frame improve greatly, produce harm when can effectually avoiding the vehicle striking.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (4)
1. The utility model provides a portal frame with adjustable town road bridge is with anticollision, includes two parallel arrangement's bracing piece (1), its characterized in that: an anti-collision beam buffer structure (3) is arranged between the two support rods (1), the anti-collision beam buffer structure (3) is composed of an anti-collision cross beam (31) and a corrugated plate (32), and a first damping device and a second damping device are alternately arranged between the anti-collision cross beam (31) and the corrugated plate (32) at intervals; the first damping device comprises a first pi-shaped support (33), an air bag (36) arranged at the top of the first pi-shaped support (33) and an arc-shaped elastic sheet (35) arranged in an inner cavity of the first pi-shaped support (33); the support legs of the first pi-shaped support (33) and the support legs of the arc-shaped elastic sheets (35) are fixed on the anti-collision cross beam (31), one end of the air bag (36) abuts against the top of the first pi-shaped support (33), and the other end of the air bag abuts against the wave trough of the wave-shaped plate (32); the second damping device comprises a second pi-shaped bracket (37) and a buffer spring (34) arranged in an inner cavity of the second pi-shaped bracket; the top of the second pi-shaped bracket (37) is fixed with the anti-collision beam (31), and two support legs of the second pi-shaped bracket are respectively fixed at the adjacent wave crest positions of the corrugated plate (32).
2. The anti-collision adjustable portal frame for the municipal road bridge according to claim 1, characterized in that: the equal fixed mounting in both ends lateral wall of anticollision crossbeam (31) and wave plate (32) has connecting block (6), every bracing piece (1) inner wall that the equal fixed connection of outer wall of connecting block (6) corresponds, through-hole (4) have been seted up to the outer wall of bracing piece (1), be provided with expansion bolts (5) in the inner chamber of through-hole (4), the recess that matches with expansion bolts (5) is seted up to one side outer wall that anticollision roof beam buffer structure (3) was kept away from in connecting block (6), bracing piece (1) is through expansion bolts (5) and connecting block (6) fixed connection.
3. The anti-collision adjustable portal frame for the municipal road bridge according to claim 2, characterized in that: the outer wall of connecting block (6) is seted up threadedly, two installation screw (2) that match with connecting block (6) screw thread are all seted up to the inner wall of bracing piece (1), anticollision roof beam buffer structure (3) are connected with bracing piece (1) through installation screw (2).
4. The anti-collision adjustable portal frame for the municipal road bridge according to claim 1, characterized in that: the bottom of the two support rods (1) is fixedly provided with a base, and the base is provided with a fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181412.4U CN210857027U (en) | 2019-07-25 | 2019-07-25 | Portal frame with adjustable municipal administration road bridge is with anticollision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181412.4U CN210857027U (en) | 2019-07-25 | 2019-07-25 | Portal frame with adjustable municipal administration road bridge is with anticollision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210857027U true CN210857027U (en) | 2020-06-26 |
Family
ID=71296115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921181412.4U Active CN210857027U (en) | 2019-07-25 | 2019-07-25 | Portal frame with adjustable municipal administration road bridge is with anticollision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210857027U (en) |
-
2019
- 2019-07-25 CN CN201921181412.4U patent/CN210857027U/en active Active
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