CN214497179U

CN214497179U - Simple guardrail for bridge

Info

Publication number: CN214497179U
Application number: CN202023342046.1U
Authority: CN
Inventors: 熊陈; 王卫; 晁洋洋; 傅光登
Original assignee: Chongqing Leway Civil Engineering Design Co ltd
Current assignee: Chongqing Leway Civil Engineering Design Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-26
Anticipated expiration: 2030-12-31

Abstract

The application relates to a simple bridge guardrail, which relates to the field of bridge building design and comprises a plurality of single-section guardrails, wherein each single-section guardrail comprises two stand columns, two cross beams, a plurality of fixed rods, a plurality of connecting rods and a plurality of supporting rods; the two beams are fixed between the two upright posts, the fixed rods form a diamond-shaped frame between the upright posts and the beams, a plurality of connecting rods are connected in the diamond-shaped frame, and the connecting rods and the fixed rods form a plurality of triangular frames; the supporting rods are connected between the fixing rods and the stand columns, the supporting rods and the connecting rods on the two adjacent single-section guardrails form a regular hexagon structure between the cross beams, the regular hexagon structure is composed of a plurality of triangular frames, and the stand columns on the two single-section guardrails are the central axes of the regular hexagons. This application has solved the unstable problem of bridge railing structure.

Description

Simple guardrail for bridge

Technical Field

The application relates to the technical field of bridge construction, in particular to a simple bridge guardrail.

Background

The bridge guardrail is a guardrail arranged on a bridge and used for protection, the bridge guardrail can prevent pedestrians from falling down from the bridge floor, and meanwhile, out-of-control vehicles can be prevented from crossing the bridge, so that the possibility of safety accidents is reduced.

The utility model with the related technology being granted under the publication number of CN211498462U discloses a novel bridge deck protection guardrail, which comprises a bridge deck, wherein a plurality of fixing pile mechanisms are fixedly arranged on the upper surface of the bridge deck at uniform intervals, a group of guardrail structures are jointly sleeved between every two adjacent fixing pile mechanisms, two positioning mechanisms are respectively arranged at the positions corresponding to the guardrail mechanisms inside the fixing pile mechanisms, and two limiting mechanisms are symmetrically arranged inside the positioning mechanisms, when in use, the T-shaped blocks on two fixing plates fixedly connected together among the three protection rods are respectively aligned with the corresponding T-shaped grooves and are pushed downwards to abut against the lower end groove walls of the T-shaped grooves, at the moment, the positioning holes are coincided with the groove openings of the positioning grooves, the positioning rods move under the elasticity of springs and extend into the positioning grooves to fix the T-shaped blocks, thereby the T-shaped block can not be taken out, and the fixing plate and the guard bar are fixed at the same time.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: this bridge railing single structure, fender rod lug connection are on the fixed plate, and the structure is unstable.

SUMMERY OF THE UTILITY MODEL

In order to improve the unstable problem of bridge railing structure, this application provides a bridge simple and easy guardrail.

The application provides a simple and easy guardrail of bridge adopts following technical scheme:

a bridge simple guardrail comprises a plurality of single guardrails, wherein each single guardrail comprises two upright posts, two cross beams, a plurality of fixed rods, a plurality of connecting rods and a plurality of supporting rods; the two beams are fixed between the two upright posts, the fixed rods form a diamond-shaped frame between the upright posts and the beams, a plurality of connecting rods are connected in the diamond-shaped frame, and the connecting rods and the fixed rods form a plurality of triangular frames; the supporting rods are connected between the fixing rods and the stand columns, the supporting rods and the connecting rods on the two adjacent single-section guardrails form a regular hexagon structure between the cross beams, the regular hexagon structure is composed of a plurality of triangular frames, and the stand columns on the two single-section guardrails are the central axes of the regular hexagons.

Through adopting the above technical scheme, crossbeam and stand fixed connection, the dead lever forms the rhombus frame between stand and crossbeam, the connecting rod has formed a plurality of triangle-shaped structures in the rhombus frame, triangle-shaped has stability, the stability of guardrail has been strengthened, be connected with the bracing piece between dead lever and the stand, bracing piece and connecting rod on two adjacent single section guardrails form the regular hexagon structure between the crossbeam, the regular hexagon structure comprises a plurality of triangle-shaped frames, the stability of guardrail has further been strengthened, and simultaneously, rhombus and regular hexagon structure make the guardrail more pleasing to the eye.

Optionally, the middle upright post of the single guardrail is fixedly connected with the upright post of the adjacent single guardrail of the upright post side by side.

Through adopting above-mentioned technical scheme, each single section guardrail can utilize respective stand to link together side by side and form bridge simple and easy guardrail, and a plurality of independent units are more convenient transportation and installation.

Optionally, the end parts of the two columns fixed side by side are bundled with the reinforcing steel bars of the bridge deck and are fixed by pouring concrete.

Through adopting above-mentioned technical scheme, bridge guardrail can be fixed more stably with the bridge floor, has increased the shock resistance of guardrail.

Optionally, a limiting hole corresponding to and penetrating through the stand column is formed between two adjacent stand columns, and the two stand columns are connected through the limiting hole by a bolt.

Through adopting above-mentioned technical scheme, before fixing the stand at the bridge floor, will be fixed with two adjacent stands of single section guardrail through spacing hole bolted connection earlier, prevent that two stands from sliding dislocation influence and bridge floor mutually fixed.

Optionally, a protective shell is arranged at the position of the bolt on the upright column, and a nut matched with the bolt is located in the protective shell.

Through adopting above-mentioned technical scheme, the nut can be protected to the protective housing, has reduced the nut and has damaged the possibility that influences the rotation.

Optionally, fixing portions connected with the upright posts and the cross beam are arranged at two ends of the fixing rod.

Through adopting above-mentioned technical scheme, the dead lever can be dismantled with stand and crossbeam through the fixed part and be connected, easy to assemble and dismantlement.

Optionally, a supporting frame for supporting and fixing the upright column is arranged at the fixing position of the upright column and the bridge floor.

Through adopting above-mentioned technical scheme, the support frame can further support the fixed post, increases the impact strength of whole guardrail.

Optionally, the support frame is a right-angled triangle frame, one right-angled side of the support frame is fixedly connected with the upright column, and the other right-angled side of the support frame is fixedly connected with the bridge floor.

Through adopting above-mentioned technical scheme, the triangle-shaped support frame can be more effective, more stable support post, strengthens the bulk strength of guardrail.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bridge guardrail is formed by splicing a plurality of single guardrails, the cross beam is fixedly connected with the stand column, the fixed rod forms a diamond frame between the stand column and the cross beam, the connecting rod forms a plurality of triangular structures in the diamond frame, the triangle has stability and strengthens the stability of the guardrail, the supporting rod is connected between the fixed rod and the stand column, the supporting rods on two adjacent single guardrails and the connecting rod form a regular hexagon structure between the cross beam, the regular hexagon structure is formed by a plurality of triangular frames, the stability of the guardrail is further strengthened, and meanwhile, the diamond and regular hexagon structures enable the guardrail to be more attractive;

2. the right-angled triangle support frame that is used for supporting the fixed stand is equipped with in stand and the fixed department of bridge floor, and the support post that the triangle-shaped support frame can be more effective, more stable strengthens the bulk strength of guardrail.

Drawings

FIG. 1 is a schematic overall structure view of a bridge easy guard rail according to a first embodiment of the present application;

FIG. 2 is a schematic structural view illustrating a use state of the bridge easy guard according to the first embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the overall structure of a bridge guardrail according to the second embodiment of the present application;

fig. 5 is a schematic structural view of a bridge easy guard according to a second embodiment in a use state.

Description of reference numerals: 1. a single section of guardrail; 11. a column; 111. a support end; 112. a protective shell; 12. a cross beam; 13. fixing the rod; 131. a connecting portion; 132. a fixed part; 14. a connecting rod; 15. a support bar; 151. connecting blocks; 16. a support frame; 2. a concrete platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses simple bridge guardrail.

Example 1

Referring to fig. 1, the bridge simple guardrail comprises a plurality of single guardrails 1 spliced together side by side, and each single guardrail 1 comprises a column 11, a beam 12, a fixing rod 13, a connecting rod 14 and a supporting rod 15. The cross beams 12 are fixed between the upright posts 11, and the fixing rods 13, the connecting rods 14 and the supporting rods 15 form a plurality of triangular structures between the upright posts 11 and the cross beams 12, so that the stability of the bridge guardrail is improved.

Referring to fig. 1, a single-section guardrail 1 has two upright posts 11, the two upright posts 11 are arranged at the same height, and the whole upright post 11 is a long rod with a rectangular cross section. The number of the cross beams 12 is two, the cross beam 12 is a long rod with a rectangular cross section, one cross beam 12 is supported and fixed at one end of the two upright posts 11, the fixing mode can be welding or splicing, and the welding is selected here; the other beam 12 is supported and fixed at the other end of the two upright posts 11 and has a distance of 20-30cm from the end part, the 20-30cm part of the section on the upright post 11 is a supporting end 111 of the upright post 11, and a rectangular frame is formed between the two upright posts 11 and the two beams 12.

Referring to fig. 1, there are 4 fixing rods 13, the whole fixing rod 13 is a long rod with a rectangular cross section, the fixing rod 13 is fixed between the adjacent cross beam 12 and the upright post 11, the fixing point may be the midpoint position of the upright post 11 and the cross beam 12, the fixing mode may be welding or plugging, where welding is selected, and the 4 fixing rods 13 form a diamond frame in the rectangular frame. The whole connecting rod 14 is a long rod with a round cross section, a plurality of equidistant insertion holes are formed in the fixing rod 13, and the connecting rod 14 can be inserted into the insertion holes in the fixing rod 13 in the vertical direction and fixed in the diamond-shaped frame where the fixing rod 13 is located. A plurality of connecting rods 14 are vertically arranged in parallel in the rhombic frame to form a protective net, so that the safety of the guardrail is improved; the connecting rods 14 and the fixing rods 13 form a plurality of triangular frames, and the triangles have stability, so that the stability of the guardrail is improved.

Referring to fig. 1, one end of the support rod 15 is inserted into the fixing rod 13, and the other end is inserted into the upright post 11. 4 bracing pieces 15 and 2 connecting rods 14 of two adjacent single section guardrails 1 junctions form the regular hexagon frame, and whole bridge simple guardrail forms rhombus frame and regular hexagon frame in turn, makes the guardrail more pleasing to the eye. The regular hexagon frame is composed of a plurality of triangle-shaped frames, has further improved the stability of guardrail.

Referring to fig. 2 and 3, two adjacent single guardrails 1 are arranged side by side, and the corresponding limiting holes are arranged on the upright posts 11 on the two adjacent single guardrails 1, so that the two upright posts 11 can be fixed through the bolt connection of the limiting holes, and the two upright posts 11 are prevented from sliding mutually to influence guardrail installation. The bolted connection department welding of stand 11 has protective housing 112, and protective housing 112 is inside cavity, the open pipe in both ends. The side wall of the opening face at one end of the protective shell 112 is connected with the upright post 11, the inner diameter of the protective shell 112 is 3-4mm larger than the outer diameter of a nut matched with the bolt, and the nut is positioned in the protective shell 112. The supporting ends 111 of the two upright posts 11 and the bridge deck steel bars are bundled and fixed by concrete pouring to form a concrete platform 2, and then a plurality of single guardrails 1 are fixed together to form the whole bridge simple guardrail.

The implementation principle of the embodiment 1 is as follows: before installing the guardrails, a single section of guardrail 1 is installed, and a fixed rod 13 and a connecting rod 14 are installed in a rectangular frame formed by the upright post 11 and the cross beam 12; then fixing two adjacent single guardrails 1 together through the upright post 11, bundling the upright post 11 and the bridge deck slab steel bars and pouring and fixing the concrete so as to fix the guardrails on the bridge deck; the fixing rod 13 forms a diamond frame in the rectangular frame, the connecting rod 14 can be inserted into the insertion hole in the fixing rod 13 along the vertical direction and fixed in the diamond frame where the fixing rod 13 is located, the connecting rod 14 and the fixing rod 13 form a plurality of triangular frames, the triangles have stability, and the overall stability of the guardrail is improved; 4 bracing pieces 15 and 2 connecting rods 14 of 1 junction of two adjacent single section guardrails form the regular hexagon frame, and whole bridge simple and easy guardrail forms rhombus frame and regular hexagon frame in turn, makes the guardrail more pleasing to the eye, and the regular hexagon frame comprises a plurality of triangle-shaped frames, has further improved the stability of guardrail.

Example 2

Referring to fig. 4, the bridge simple guardrail comprises a plurality of single guardrails 1 spliced together side by side, and each single guardrail 1 comprises a column 11, a beam 12, a fixing rod 13, a connecting rod 14 and a supporting rod 15. One end of the fixed rod 13 is detachably connected with the upright post 11, and the other end is detachably connected with the cross beam 12. The fixing rod 13 is provided with a connecting part 131 detachably connected with the connecting rod 14. Bracing piece 15 one end can be dismantled with stand 11 and be connected, and the other end can be dismantled with dead lever 13 and be linked, conveniently changes dead lever 13, connecting rod 14 and the bracing piece 15 of damage, reduces the construction degree of difficulty.

Referring to fig. 4, a single-section guardrail 1 has two upright posts 11, the two upright posts 11 are arranged at the same height, and the whole upright post 11 is a long rod with a rectangular cross section. The number of the cross beams 12 is two, the cross beam 12 is a long rod with a rectangular cross section, one cross beam 12 is supported and fixed at one end of the two upright posts 11, and the fixing mode can be welding or splicing; the other beam 12 is supported and fixed at the other end of the two upright posts 11 and has a distance of 20-30cm from the end part, the 20-30cm part of the section on the upright post 11 is a supporting end 111 of the upright post 11, and a rectangular frame is formed between the two upright posts 11 and the two beams 12.

Referring to fig. 4, the number of the fixing rods 13 is 4, the whole fixing rod 13 is a long rod with a rectangular cross section, fixing parts 132 are welded to both ends of the fixing rod 13, and the fixing parts 132 are rectangular blocks and are provided with through holes for bolt connection. The fixing rods 13 are fixed between the adjacent cross beam 12 and the upright post 11, the fixing point can be the midpoint position of the upright post 11 and the cross beam 12, the fixing mode is that the fixing parts 132 are connected with the upright post 11 and the cross beam 12 through bolts, and 4 fixing rods 13 form a diamond frame in the rectangular frame. A plurality of equidistant jacks are formed in the fixing rod 13 far away from the supporting end 111 of the upright post 11, and the connecting part 131 is connected with the fixing rod 13 through the jacks. The connecting part 131 is a connecting piece with a nut in the middle and inserted rods welded at two ends, the inserted rod at one end of the connecting part 131 can be inserted into the fixed rod 13, the inserted rod inserted into the fixed rod 13 is 2-3cm long, and the inserted rod at the other end is 4-5cm long. A threaded rod is welded on the fixed rod 13 close to the supporting end 111 of the upright post 11, and the length of the threaded rod is 4-5 cm.

Referring to fig. 4, one end of the connection rod 14 is inserted into the insertion rod of the connection portion 131, and the other end is threadedly connected to the threaded rod. When the fixing rod 14 is installed, the connecting rod 14 is firstly inserted into the inserted rod of the connecting part 131 and then is in threaded connection with the threaded rod, and the connecting rod 14 moves downwards and is fixed between the fixing rods 13. When the connecting rod 14 is screwed during disassembly, the connecting rod 14 moves upwards to leak the threaded rod, and the connecting rod 14 is convenient to take down. A plurality of connecting rods 14 are vertically arranged in the rhombic frame side by side to form a protective net, the safety of the guardrail is improved, and the triangular frame formed by the fixing rods 13 and the connecting rods 14 can improve the stability of the guardrail.

Referring to fig. 4, one end of the support rod 15 is inserted into the fixing rod 13, and the other end is welded with a connecting block 151 and is connected with the upright post 11 near the cross beam 12 by a bolt through the connecting block 151. 4 spinal branch vaulting poles 15 and 2 connecting rods 14 of 1 junction of two adjacent single section guardrails form the regular hexagon frame, and whole bridge simple and easy guardrail forms rhombus frame and regular hexagon frame in turn, makes the guardrail more pleasing to the eye, also can promote the stability of guardrail simultaneously. The two ends of the fixed rod 13, the connecting rod 14 and the supporting rod 15 are detachably connected, so that the damaged fixed rod 13, the damaged connecting rod 14 and the damaged supporting rod 15 are conveniently replaced, and the difficulty degree of construction is reduced.

Referring to fig. 4, two adjacent single-section guardrails 1 are arranged side by side, and the corresponding limiting holes are arranged on the upright posts 11 on the two adjacent single-section guardrails 1, so that the two upright posts 11 can be fixed through the limiting hole bolt connection, and the two upright posts 11 are prevented from sliding mutually to influence guardrail installation. The supporting ends 111 of the two upright posts 11 and the bridge deck steel bars are bundled and fixed by concrete pouring to form a concrete platform 2, and then a plurality of single guardrails 1 are fixed together to form the whole bridge simple guardrail.

Referring to fig. 5, in order to further reinforce the vertical column 11, a support frame 16 is arranged at one end of the vertical column 11 close to the bridge deck, the support frame 16 is a right-angled triangle frame, one right-angled side of the right-angled triangle frame is connected with the vertical column 11 through a bolt, the other right-angled side of the right-angled triangle frame is connected with the concrete platform 2 through a bolt, and the triangular support frame 16 can further enhance the stability of the vertical column 11.

The implementation principle of the embodiment 2 is as follows: before installing the guardrails, a single section of guardrail 1 is installed, and a fixed rod 13 and a connecting rod 14 are installed in a rectangular frame formed by the upright post 11 and the cross beam 12; when the connecting rod 14 is damaged and needs to be maintained, the connecting rod 14 can be screwed, the connecting rod 14 moves upwards to leak out of the threaded rod, and then the connecting rod 14 is taken down for replacement; when the fixing rod 13 is damaged and needs to be repaired, the bolt on the fixing part 132 is screwed off to replace the fixing rod 13; when the supporting rod 15 is damaged and needs to be maintained, the bolt on the connecting block 151 is screwed off to replace the supporting rod 15, so that the construction difficulty is reduced; the upright post 11, the cross beam 12, the fixing rod 13, the connecting rod 14 and the supporting rod 15 can form a plurality of triangular frames, so that the overall stability of the guardrail is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bridge simple guardrail which characterized in that: the guardrail comprises a plurality of single guardrails (1), wherein each single guardrail (1) comprises two upright posts (11), two cross beams (12), a plurality of fixed rods (13), a plurality of connecting rods (14) and a plurality of supporting rods (15); the two cross beams (12) are fixed between the two upright posts (11), the fixing rods (13) form a diamond-shaped frame between the upright posts (11) and the cross beams (12), a plurality of connecting rods (14) are connected in the diamond-shaped frame, and the connecting rods (14) and the fixing rods (13) form a plurality of triangular frames; be connected with bracing piece (15) between dead lever (13) and stand (11), bracing piece (15) and connecting rod (14) on two adjacent single section guardrails (1) form regular hexagon structure between crossbeam (12), and regular hexagon structure comprises a plurality of triangle-shaped frames, and stand (11) are regular hexagon's axis on two single section guardrails (1).

2. The bridge drop rail of claim 1, wherein: the middle upright post (11) of the single guardrail (1) is fixedly connected with the upright post (11) of the adjacent single guardrail (1) of the upright post (11) side by side.

3. The bridge drop rail of claim 2, wherein: the end parts of the two upright posts (11) fixed side by side are tied up with the reinforcing steel bars of the bridge deck and are fixed by pouring concrete.

4. The bridge drop rail of claim 2, wherein: and a limiting hole which corresponds to and penetrates through the upright columns (11) is arranged between every two adjacent upright columns (11), and the two upright columns (11) are connected through the limiting hole by bolts.

5. The bridge drop rail of claim 4, wherein: a protective shell (112) is arranged at the position of a bolt on the upright post (11), and a nut matched with the bolt is located in the protective shell (112).

6. The bridge drop rail of claim 1, wherein: and fixing parts (132) connected with the upright columns (11) and the cross beams (12) are arranged at two ends of the fixing rod (13).

7. The bridge drop rail of claim 1, wherein: and a support frame (16) for supporting and fixing the upright column (11) is arranged at the fixing position of the upright column (11) and the bridge deck.

8. The bridge drop rail of claim 7, wherein: the support frame (16) is a right-angled triangle frame, one right-angled side of the support frame (16) is fixedly connected with the upright post (11), and the other right-angled side is fixedly connected with the bridge floor.