CN213653306U

CN213653306U - Expansion device of highway bridge guardrail

Info

Publication number: CN213653306U
Application number: CN202022385295.2U
Authority: CN
Inventors: 王琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-09
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a public road bridge roof beam technical field just discloses a telescoping device of public road bridge roof beam guardrail, including the guard plate, the guard plate openly is pegged graft and is had the first buffer beam of multiunit, the first buffer board of front end fixedly connected with of first buffer beam, the front side of first buffer beam surface has cup jointed first spring, first buffer beam rear end fixedly connected with stripper plate, guard plate back fixedly connected with casing. This telescoping device of public road bridge roof beam guardrail, through first buffer board, first spring, stripper plate and buffering gasbag cooperation are used, make when the first buffer board of vehicle striking, first buffer board carries out the one-level buffering to the vehicle through first spring, first buffer board carries out the second grade buffering to the vehicle through stripper plate and buffering gasbag, thereby further reduced the probability that vehicle and the device received the damage, the life of the device has been prolonged, driver's life safety has been protected.

Description

Expansion device of highway bridge guardrail

Technical Field

The utility model relates to a public road bridge roof beam technical field specifically is a telescoping device of public road bridge roof beam guardrail.

Background

A highway bridge guardrail is mainly used for protecting and protecting personal safety and equipment facilities in occasions such as houses, highways, commercial districts, public places and the like. The guard rail is visible everywhere in our lives. The price of the guardrail can also be different according to the difference of height, and highway and bridge guardrail refer to the guardrail that sets up in bridge or highway. Its purpose is in order to prevent that the vehicle out of control from crossing outside the guardrail, has the function that makes the vehicle can not break through, wear down, cross public road bridge roof beam and beautify public road bridge roof beam building, and the guardrail of general bridge road is inconvenient many times when the accident damage or other reasons need be changed, also can't adjust the angle of putting of guardrail when general adjustment road surface or bridge face.

For example, chinese patent application nos.: 201920833127.X provides a telescopic device for a highway bridge railing, substantially as follows: comprises a base, a pull ring, a connecting pin and a telescopic rod; the base is connected with the main supporting rod in a sleeving manner, and the main supporting rod is connected with the telescopic rod in a sleeving manner; the utility model discloses a guardrail device, including main tributary pole and fixing base, telescopic link and fixed pin, be fixed for the welding mode between main tributary pole and the fixing base, and also be the welding mode reciprocal anchorage between the pull ring on telescopic link and its top, the connecting pin is fixed in the bottom of main tributary pole with the mode of cup jointing, and the connecting pin has also been cup jointed on the top of telescopic link, the slide bar passes through angle connected mode and fixed pin interconnect, and still is provided with into the branch of cutting the fork structure constitution between the slide bar, and the connecting pin cup joints on telescopic link and main tributary pole, and can prolong main tributary pole and telescopic link between the connecting pin of two and carry out axial rotation, makes things convenient for the guardrail effect to be used on road surface and the road of difference, and when carrying out partial highway section and maintaining, can directly pull out the guardrail from the base, carry out interim road warning effect.

Therefore, the inventor provides a telescopic device for a road bridge guardrail, which is researched and improved aiming at the existing structure and deficiency, with the experience of abundant design development and actual manufacturing of the related industry for years.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a telescoping device of public road bridge roof beam guardrail has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a telescopic device of a road bridge guardrail comprises a protection plate, wherein a plurality of groups of first buffer rods are inserted in the front of the protection plate, the front ends of the first buffer rods are fixedly connected with a first buffer plate, the front side of the outer surface of each first buffer rod is sleeved with a first spring, the rear ends of the first buffer rods are fixedly connected with an extrusion plate, the back of the protection plate is fixedly connected with a shell, a buffer air bag is arranged in the shell, the left side surface and the right side surface of the protection plate are fixedly connected with fixing sleeves, a mounting plate is arranged right below the fixing sleeves, fixing bolts are inserted in four corners of the upper surface of the mounting plate, a mounting block is fixedly connected with the upper surface of the mounting plate, a sliding groove is formed in the middle of the upper surface of the mounting block, two groups of sliding rods are fixedly connected with the inner wall of the sliding groove, and, fixed surface is connected with the spliced pole on the sliding block, the spliced pole is located fixed sheathed tube inside, the fixed lantern ring has all been cup jointed to the top and the bottom of spliced pole surface, the inboard rotation of fixed lantern ring surface is connected with two sets of dwangs, the inboard of dwang upper surface is pegged graft and is had the connecting rod, multiunit buffer has been cup jointed to the connecting rod surface, buffer includes the cushion sleeve, the second buffer beam has all been pegged graft with the back in the cushion sleeve front, the inner fixedly connected with second buffer board of second buffer beam, both sides all are provided with the second spring around the cushion sleeve inner wall, the middle part of cushion sleeve inner wall is provided with the third spring, the second buffer beam outer end fixedly connected with link ring, the connecting rod is located link ring inside.

Preferably, the equal fixedly connected with T shape slide rail of sliding tray front side inner wall and rear side inner wall, the T shape spout with T shape slide rail looks adaptation is seted up to the sliding block surface.

Preferably, the front surface of the first buffer plate is fixedly connected with a buffer sheet, the buffer sheet is made of rubber, and the thickness of the buffer sheet is five millimeters.

Preferably, the front side and the rear side of the left side face and the right side face of the mounting block are fixedly connected with reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the mounting plate.

Preferably, the upper surface and the lower surface of the fixing sleeve are both provided with a first limiting ring, the inner wall of the first limiting ring is fixedly connected with the outer surface of the connecting column, the outer side surface of the fixing sleeve ring is provided with a second limiting ring, and the inner wall of the second limiting ring is fixedly connected with the outer surface of the connecting column.

Preferably, the material of guard plate, first buffer plate and casing is the Q235 steel, and the surface of guard plate, first buffer plate and casing all sprays the antirust paint.

(III) advantageous effects

Compared with the prior art, the utility model provides a telescoping device of public road bridge roof beam guardrail possesses following beneficial effect:

1. this telescoping device of public road bridge roof beam guardrail, through first buffer board, first spring, stripper plate and buffering gasbag cooperation are used, make when the first buffer board of vehicle striking, first buffer board carries out the one-level buffering to the vehicle through first spring, first buffer board carries out the second grade buffering to the vehicle through stripper plate and buffering gasbag, thereby further reduced the probability that vehicle and the device received the damage, the life of the device has been prolonged, driver's life safety has been protected.

2. This telescoping device of public road bridge roof beam guardrail uses through spliced pole and the cooperation of solid fixed sleeving for constructor can adjust the angle of putting between every group guard plate according to actual need, thereby further improved the device's suitability, made things convenient for the user to use, make buffer play the cushioning effect between to every group spliced pole through setting up buffer, thereby further improved the device to the shock resistance of vehicle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic view showing the structure of the present invention.

In the figure: 1. a protection plate; 2. a first buffer rod; 3. a first buffer plate; 4. a first spring; 5. a pressing plate; 6. a housing; 7. a buffer air bag; 8. fixing the sleeve; 9. mounting a plate; 10. mounting blocks; 1001. a sliding groove; 11. a slide bar; 12. a slider; 13. connecting columns; 14. a fixed collar; 15. rotating the rod; 16. a connecting rod; 17. a buffer device; 1701. a buffer sleeve; 1702. a second buffer rod; 1703. a second buffer plate; 1704. a second spring; 1705. a third spring; 1706. a connecting lantern ring; 18. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-4, the present invention provides a technical solution: a telescopic device of a road bridge guardrail comprises a protection plate 1, a plurality of groups of first buffer rods 2 are inserted in the front of the protection plate 1, a first buffer plate 3 is fixedly connected to the front ends of the first buffer rods 2, a first spring 4 is sleeved on the front side of the outer surface of each first buffer rod 2, an extrusion plate 5 is fixedly connected to the rear end of each first buffer rod 2, a shell 6 is fixedly connected to the back of the protection plate 1, a buffer air bag 7 is arranged in the shell 6, fixing sleeves 8 are fixedly connected to the left side surface and the right side surface of the protection plate 1, a mounting plate 9 is arranged under each fixing sleeve 8, fixing bolts 18 are inserted in four corners of the upper surface of each mounting plate 9, a mounting block 10 is fixedly connected to the upper surface of each mounting block 9, a sliding groove 1001 is formed in the middle of the upper surface of each mounting block 10, two groups of sliding rods 11 are fixedly connected to, sliding block 12 upper surface fixedly connected with spliced pole 13, spliced pole 13 is located fixed sleeve 8's inside, the fixed lantern ring 14 has all been cup jointed to the top and the bottom of spliced pole 13 surface, the inboard rotation of fixed lantern ring 14 surface is connected with two sets of dwang 15, the inboard of dwang 15 upper surface is pegged graft and is had connecting rod 16, connecting rod 16 surface has been cup jointed multiunit buffer 17, buffer 17 includes buffer sleeve 1701, buffer sleeve 1701 front and back all are pegged graft and have second buffer bar 1702, second buffer bar 1702 inner end fixedly connected with second buffer plate 1703, both sides all are provided with second spring 1704 around buffer sleeve 1701 inner wall, the middle part of buffer sleeve 1701 inner wall is provided with third spring 1705, second buffer bar 1702 outer end fixedly connected with connects the lantern ring, connecting rod 16 is located inside the connection lantern ring 1706, through first buffer plate 3,

first spring

4, 1706, Stripper plate 5 and buffering gasbag 7 cooperation are used, make when the first buffer plate 3 of vehicle striking, first buffer plate 3 carries out the one-level buffering to the vehicle through first spring 4, first buffer plate 3 carries out the second grade buffering to the vehicle through stripper plate 5 and buffering gasbag 7, thereby further reduced the vehicle and the device receives the probability of damage, the life of the device has been prolonged, driver's life safety has been protected, use through spliced pole 13 and the cooperation of solid fixed sleeving 8, make constructor can adjust the angle of putting between every group guard plate 1 according to actual need, thereby further improved the device's suitability, the user uses has been made things convenient for, make buffer 17 play the cushioning effect to between every group spliced pole 13 through setting up buffer 17, thereby further improved the device to the shock resistance of vehicle.

The utility model discloses in, for further reinforcing sliding block 12's motion stability, consequently at the equal fixedly connected with T shape slide rail of sliding tray 1001 front side inner wall and rear side inner wall, sliding block 12 surface offer with the T shape spout of T shape slide rail looks adaptation, through T shape slide rail and the cooperation of T shape spout to sliding block 12's motion stability has further been strengthened.

The utility model discloses in, in order to further improve the shock-absorbing capacity of first buffer board 3, consequently at the positive fixedly connected with buffer plate of first buffer board 3, the material of buffer plate is rubber, and the thickness of buffer plate is five millimeters for the buffer plate openly plays the cushioning effect to first buffer board 3, thereby has further improved the shock-absorbing capacity of first buffer board 3.

The utility model discloses in, for further improvement installation piece 10's installation stability, consequently the equal fixedly connected with strengthening rib in both sides around installation piece 10 left surface and right flank, the lower surface of strengthening rib is connected with the last fixed surface of mounting panel 9 for the strengthening rib plays the effect of stabilizing the support to the surface of installation piece 10, thereby has further improved installation piece 10's installation stability.

The utility model discloses in, in order to further improve the rotational stability of the fixed sleeving 8 and the fixed sleeving 14, consequently all be provided with first spacing ring at the fixed sleeving 8 upper surface and lower surface, the inner wall of first spacing ring and the outer fixed surface of spliced pole 13 are connected, the 14 lateral surfaces of the fixed sleeving are provided with the second spacing ring, the inner wall of second spacing ring and the outer fixed surface of spliced pole 13 are connected, make first spacing ring play limiting displacement to the fixed sleeving 8, the second spacing ring plays limiting displacement to the fixed sleeving 14, thereby further improved the rotational stability of the fixed sleeving 8 and the fixed sleeving 14.

The utility model discloses in, in order to further improve the device's antirust property, consequently guard plate 1, first buffer board 3 and casing 6's material is the Q235 steel, and the surface of guard plate 1, first buffer board 3 and casing 6 all is sprayed and is had the anti-rust paint, through spraying anti-rust paint to the device's antirust property has further been improved.

When using, install mounting panel 9 subaerial through fixing bolt 18, when the first buffer board 3 of vehicle striking, first buffer board 3 receives the impact force, first spring 4 receives the extrusion, first spring 4 carries out the one-level buffering to first buffer board 3, first buffer board 3 extrudees buffering gasbag 7 through first buffer beam 2 and stripper plate 5, buffering gasbag 7 carries out the second grade buffering to first buffer board 3, when the vehicle strikes two sets of spliced pole 13, two sets of spliced pole 13 move to the outside, spliced pole 13 drives the outside motion of fixed lantern ring 14, the contained angle increase between dwang 15, the distance between two sets of connecting rods 16 shortens, the inside side motion of second buffer beam 1702, third spring 1705 cushions second buffer beam 1702.

In conclusion, this telescoping device of public road bridge roof beam guardrail, through first buffer board 3, first spring 4, stripper plate 5 and buffering gasbag 7 cooperation are used, make when the first buffer board 3 of vehicle striking, first buffer board 3 carries out the one-level buffering to the vehicle through first spring 4, first buffer board 3 carries out the second grade buffering to the vehicle through stripper plate 5 and buffering gasbag 7, thereby further reduced the probability that vehicle and the device received the damage, the life of the device has been prolonged, driver's life safety has been protected.

This telescoping device of public road bridge roof beam guardrail uses through the cooperation of spliced pole 13 and fixed sleeve 8 for constructor can adjust the angle of putting between every group guard plate 1 according to actual need, thereby has further improved the device's suitability, has made things convenient for the user to use, makes buffer 17 play the cushioning effect to between every group spliced pole 13 through setting up buffer 17, thereby has further improved the device to the shock resistance of vehicle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a telescoping device of public road bridge roof beam guardrail, includes guard plate (1), its characterized in that: the protective plate is characterized in that a plurality of groups of first buffer rods (2) are inserted in the front of the protective plate (1), a first buffer plate (3) is fixedly connected to the front ends of the first buffer rods (2), a first spring (4) is sleeved on the front side of the outer surface of the first buffer rod (2), an extrusion plate (5) is fixedly connected to the rear end of the first buffer rod (2), a shell (6) is fixedly connected to the back of the protective plate (1), a buffer air bag (7) is arranged inside the shell (6), fixing sleeves (8) are fixedly connected to the left side surface and the right side surface of the protective plate (1), a mounting plate (9) is arranged under the fixing sleeves (8), fixing bolts (18) are inserted in four corners of the upper surface of the mounting plate (9), a mounting block (10) is fixedly connected to the upper surface of the mounting plate (9), and a sliding groove (1001) is formed in the middle of, the inner wall of the sliding groove (1001) is fixedly connected with two groups of sliding rods (11), the left side and the right side of the outer surface of each sliding rod (11) are respectively sleeved with a sliding block (12), the upper surface of each sliding block (12) is fixedly connected with a connecting column (13), each connecting column (13) is positioned in a fixed sleeve (8), the top and the bottom of the outer surface of each connecting column (13) are respectively sleeved with a fixed sleeve ring (14), the inner side of the outer surface of each fixed sleeve ring (14) is rotatably connected with two groups of rotating rods (15), the inner side of the upper surface of each rotating rod (15) is spliced with a connecting rod (16), the outer surface of each connecting rod (16) is sleeved with a plurality of groups of buffer devices (17), each buffer device (17) comprises a buffer sleeve (1701), the front surface and the back surface of each buffer sleeve (1701) are respectively spliced with a second buffer rod (1702), the front side and the rear side of the inner wall of the buffering sleeve (1701) are respectively provided with a second spring (1704), the middle of the inner wall of the buffering sleeve (1701) is provided with a third spring (1705), the outer end of the second buffering rod (1702) is fixedly connected with a connecting lantern ring (1706), and the connecting rod (16) is positioned inside the connecting lantern ring (1706).

2. The telescopic device of a road bridge railing of claim 1, wherein: the equal fixedly connected with T shape slide rail of sliding tray (1001) front side inner wall and rear side inner wall, the T shape spout with T shape slide rail looks adaptation is seted up to sliding block (12) surface.

3. The telescopic device of a road bridge railing of claim 1, wherein: the front surface of the first buffer plate (3) is fixedly connected with a buffer sheet, the buffer sheet is made of rubber, and the thickness of the buffer sheet is five millimeters.

4. The telescopic device of a road bridge railing of claim 1, wherein: the mounting block (10) is characterized in that reinforcing ribs are fixedly connected to the front side and the rear side of the left side face and the right side face of the mounting block respectively, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the mounting plate (9).

5. The telescopic device of a road bridge railing of claim 1, wherein: the upper surface and the lower surface of the fixed sleeve (8) are respectively provided with a first limiting ring, the inner wall of the first limiting ring is fixedly connected with the outer surface of the connecting column (13), the outer side surface of the fixed sleeve ring (14) is provided with a second limiting ring, and the inner wall of the second limiting ring is fixedly connected with the outer surface of the connecting column (13).

6. The telescopic device of a road bridge railing of claim 1, wherein: the material of guard plate (1), first buffer board (3) and casing (6) is the Q235 steel, and the surface of guard plate (1), first buffer board (3) and casing (6) all sprays and has rust-resistant paint.