CN218621802U

CN218621802U - Stable protective fence

Info

Publication number: CN218621802U
Application number: CN202222898176.6U
Authority: CN
Inventors: 王剑鑫; 王建林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-14
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a firm type rail guard relates to road bridge engineering technical field, when receiving the striking to the rail guard that the background art provided, the easy emergence fracture of protection side post, lose the due blocking effect of rail guard, security and steadiness are low, vehicle and rail guard direct contact, rail guard take place deformation, cause the problem of rail guard protecting effect step-down easily, present following scheme of proposition, including two stands, stay tube and fixed pipe, be equipped with the connecting piece that the equidistance distributes on the outer wall of stay tube top, the connecting piece includes connecting rod and two spliced poles, all be equipped with a buffer gear on connecting rod upper portion and the lower part outer wall, a buffer gear includes fixed block and torsion spring. The utility model discloses can avoid the stand fracture for the rail guard loses safeguard, has improved security and steadiness, can cushion non-vertical direction and vertical direction's impact, avoids rail guard deformation too serious, leads to the protecting effect step-down.

Description

Stable protective guard

Technical Field

The utility model relates to a road bridge engineering technical field especially relates to a firm type rail guard.

Background

In road and bridge engineering, guard rails need to be arranged on bridges or road pavements for separating vehicles from pedestrians so as to improve safety.

Through retrieval, chinese patent application No. 202023202857.1 discloses "a stable guard rail for road and bridge engineering", the guard rail includes guard side columns and a ground, and a guard part is disposed between adjacent guard side columns, but the guard rail has the following problems when in use:

1. the support plate and the protective side columns are fixed through the fixing piece, so that the strength of the connecting positions of the protective side columns is low, when the protective guard is impacted, the protective side columns are easy to break, the blocking effect of the protective guard is lost, and the safety and the stability are low;

2. the buffer mechanism is not arranged, when the guard rail is impacted by a vehicle, the vehicle is directly contacted with the guard rail, the guard rail is deformed, and the protection effect of the guard rail is easily reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a firm type rail guard when having solved the rail guard among the prior art and having received the striking, the easy emergence fracture of protection side column loses the due effect of stopping of rail guard, and security and steadiness are low, vehicle and rail guard direct contact, and the rail guard takes place deformation, causes the problem of rail guard protecting effect step-down easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a firm type rail guard, includes two stands, stay tube and fixed pipe, be equipped with the connecting piece that the equidistance distributes on the outer wall of stay tube top, the connecting piece includes connecting rod and two spliced poles, all be equipped with first buffer gear on connecting rod upper portion and the lower part outer wall, first buffer gear includes fixed block and torsion spring, the connecting rod is equipped with second buffer gear on one side, second buffer gear includes buffer board and two elastic component, elastic component includes sleeve pipe, compression spring and stripper beam.

Preferably, two all the welding has the fixing base on the outer wall of stand bottom, and just two fixing bases pass through bolted connection subaerially respectively, the stay tube both ends weld respectively on the lower part outer wall of two relative one sides of stand, and just fixed socle portion welds respectively on two stand top outer walls.

Through above-mentioned scheme, fixing base lug weld avoids the stand position that intensity is low to appear in the stand bottom, prevents that the stand from breaking when receiving the striking.

Preferably, the two connecting columns are welded on the outer walls of the two ends of the connecting rod respectively, through holes are formed in the outer wall of the opposite side of the supporting tube and the outer wall of the fixed tube, and the two connecting columns are sleeved in the through holes respectively.

Preferably, the fixed block is fixedly arranged on the outer wall of the connecting rod, the outer walls of the top and the bottom of the fixed block are respectively provided with a fixed hole, and one end of the torsion spring is inserted into the fixed holes.

Through the scheme, the connecting rod and the fixing block rotate to drive the torsion spring to twist, and the impact force in the non-vertical direction is buffered under the action of the tension of the torsion spring.

Preferably, the outer walls of the top of the supporting tube and the bottom of the fixing tube are both provided with fixing openings, and one end of the torsion spring is inserted into the fixing openings.

Preferably, the sleeve welding is on one side outer wall of fixed block, and in compression spring cover located the cover, sliding mounting has the slide in the sleeve pipe, and the welding has the spacing ring on the sleeve pipe one end inner wall, the stripper bar welds on one side outer wall of slide, and stripper bar sliding mounting is in the spacing ring, the buffer board passes through bolted connection on two stripper bar one end outer walls.

Through above-mentioned scheme, drive slide extrusion compression spring through the stripper rod, cushion the impact of vertical direction under the effect of compression spring tension.

The beneficial effects of the utility model are that:

1. the protective guard is provided with the two upright columns, the supporting pipe and the fixing pipe, the strength of each part of each upright column is consistent, the position with lower strength is not arranged, when the protective guard is impacted, the breakage of the upright columns can be avoided, the protective guard loses the protection effect, and the safety and the stability are improved.

2. Be provided with the first buffer gear of a plurality of and a plurality of second buffer gear, when the rail guard receives the striking of non-vertical direction, the buffer board drives fixed block and connecting rod and takes place to deflect along the axial of connecting rod under the effect of impact force, and then it twists reverse to drive torsion spring, cushion the impact of non-vertical direction under the effect of torsion spring tension, when receiving the striking of vertical direction, the buffer board drives the stripper bar and extrudees the slide, the slide extrudees compression spring, cushion the impact of vertical direction under the effect of compression spring tension, can cushion the impact of non-vertical direction and vertical direction, avoid rail guard deformation too serious, lead to the protecting effect step-down.

To sum up, the utility model discloses can avoid the stand fracture for the rail guard loses the guard action, has improved security and steadiness, can cushion non-vertical direction and vertical direction's impact, avoids rail guard deformation too serious, leads to the protecting effect step-down.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram is looked to main sight of firm type rail guard.

Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 3 is the utility model provides a second buffer gear schematic structure of firm type rail guard.

Fig. 4 is the utility model provides an elastic component structural schematic diagram of firm type rail guard.

In the figure: 1. a column; 2. a fixed seat; 3. supporting a tube; 4. a fixed tube; 5. a connecting member; 501. mounting a rod; 502. connecting columns; 6. a first buffer mechanism; 601. a fixed block; 602. a torsion spring; 7. a second buffer mechanism; 71. a buffer plate; 72. an elastic component; 721. a sleeve; 722. a compression spring; 723. a slide plate; 724. a limiting ring; 725. the rod is squeezed.

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.

Embodiment 1, refer to fig. 1, a firm type rail guard, including two stands 1, stay tube 3, fixed pipe 4 and a plurality of connecting piece 5, all weld on the outer wall of 1 bottom of two stands and have fixing base 2, two fixing bases 2 are subaerial through bolted connection respectively, 3 both ends of stay tube weld respectively on the lower part outer wall of two 1 relative one sides of stand, fixed pipe 4 bottom welds respectively on the outer wall of 1 top of two stands, connecting piece 5 includes connecting rod 501 and two spliced poles 502, two spliced poles 502 weld respectively on the outer wall of connecting rod 501 both ends, all open the through-hole on the outer wall of 3 relative one sides of stay tube and fixed pipe 4, two spliced poles 502 overlap respectively and locate in the through-hole.

Embodiment 2, referring to fig. 1 to 4, a stable guard rail includes a plurality of first buffer mechanisms 6 and a plurality of second buffer mechanisms 7, each of the first buffer mechanisms 6 includes a fixed block 601 and a torsion spring 602, the fixed block 601 is fixed on an outer wall of the connecting rod 501, the top and bottom outer walls of the fixed block 601 are both provided with a fixed hole, one end of the torsion spring 602 is inserted into the fixed hole, the top of the supporting tube 3 and the bottom outer wall of the fixed tube 4 are both provided with a fixed port, one end of the torsion spring 602 is inserted into the fixed port, each of the second buffer mechanisms 7 includes a buffer plate 71 and two elastic components 72, each of the elastic components 72 includes a sleeve 721, a compression spring 722 and an extrusion rod 725, each of the sleeve 721 is welded to an outer wall of one side of the fixed block 601, each of the compression spring 722 is sleeved in each of the sleeve 721, a sliding plate 723 is slidably installed in the sleeve 721, a limit ring 724 is welded to an inner wall of one end of the sleeve 721, each of the extrusion rod 725 is slidably installed in the limit ring 724, and each of the buffer plate 71 is connected to an outer wall of one end of each of the two extrusion rods via a bolt.

The working principle is as follows: when the guard rail is impacted in a non-vertical direction, the buffer plate 71 drives the fixed block 601 and the connecting rod 501 to deflect along the axial direction of the connecting rod 501 under the action of impact force, so as to drive the torsion spring 602 to twist, the impact force in the non-vertical direction is buffered under the action of the tension of the torsion spring 602, when the guard rail is impacted in the vertical direction, the buffer plate 71 drives the extrusion rod 825 to extrude the sliding plate 723, the sliding plate 723 extrudes the compression spring 722, and the impact force in the vertical direction is buffered under the action of the tension of the compression spring 722.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A stable guard rail comprises two upright posts (1), a supporting tube (3) and a fixing tube (4), and is characterized in that connecting pieces (5) distributed at equal intervals are arranged on the outer wall of the top of the supporting tube (3), and each connecting piece (5) comprises a connecting rod (501) and two connecting columns (502);

the outer walls of the upper part and the lower part of the connecting rod (501) are respectively provided with a first buffer mechanism (6), and each first buffer mechanism (6) comprises a fixed block (601) and a torsion spring (602);

one side of the connecting rod (501) is provided with a second buffer mechanism (7), the second buffer mechanism (7) comprises a buffer plate (71) and two elastic components (72), and each elastic component (72) comprises a sleeve (721), a compression spring (722) and an extrusion rod (725).

2. A firm type rail guard according to claim 1, characterized in that, two fixing bases (2) are welded on the outer wall of the bottom of the two upright columns (1), the two fixing bases (2) are respectively connected to the ground through bolts, the two ends of the supporting tube (3) are respectively welded on the outer wall of the lower portion of one side opposite to the two upright columns (1), and the bottoms of the fixing tubes (4) are respectively welded on the outer walls of the top ends of the two upright columns (1).

3. The stable protective guard according to claim 1, wherein two connecting posts (502) are welded to the outer walls of the two ends of the connecting rod (501), the outer walls of the opposite sides of the supporting tube (3) and the fixing tube (4) are provided with through holes, and the two connecting posts (502) are respectively sleeved in the through holes.

4. A stable guard rail according to claim 1, wherein the fixing block (601) is fixed on the outer wall of the connecting rod (501), the outer walls of the top and bottom of the fixing block (601) are respectively provided with a fixing hole, and one end of the torsion spring (602) is inserted into the fixing hole.

5. A stable guard rail according to claim 1, wherein the outer walls of the top of the supporting tube (3) and the bottom of the fixing tube (4) are provided with fixing openings, and one end of the torsion spring (602) is inserted into the fixing openings.

6. A stable guard rail according to claim 1, wherein the sleeve (721) is welded to one outer wall of the fixing block (601), the compression spring (722) is sleeved in the sleeve (721), the sliding plate (723) is slidably mounted in the sleeve (721), the limiting ring (724) is welded to the inner wall of one end of the sleeve (721), the extrusion rods (725) are welded to one outer wall of the sliding plate (723), the extrusion rods (725) are slidably mounted in the limiting ring (724), and the buffer plate (71) is connected to the outer walls of one ends of the two extrusion rods (725) through bolts.