CN211256664U

CN211256664U - Guardrail for bridge floor

Info

Publication number: CN211256664U
Application number: CN201921832345.8U
Authority: CN
Inventors: 孙国灿; 周飞; 黄明实; 朱叶军; 郭清净
Original assignee: Zhejiang Communications Construction Group Co Ltd
Current assignee: Zhejiang Communications Construction Group Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-14
Anticipated expiration: 2029-10-29

Abstract

The utility model belongs to the technical field of bridge construction, in particular to a guardrail for a bridge floor, which comprises a plurality of upright posts which are fixed on the bridge floor and are arranged at equal intervals, wherein the upright posts are connected in series through a steel wire rope; the guard plate includes interconnect's protection net piece and prevents the kickboard, prevents that the kickboard is located the bottom of guard plate and contacts with the bridge floor. The utility model discloses can reduce the size in guardrail clearance, and then prevent effectively that the less article of volume from passing through the guardrail and falling, prevent effectively that constructor or equipment from falling because of the article injured or damage, promote construction safety, promote to use and experience.

Description

Guardrail for bridge floor

Technical Field

The utility model belongs to the technical field of the bridge construction, concretely relates to guardrail for bridge floor.

Background

In the bridge construction, the bridge can be located in the air for form difference in height between bridge floor and ground, have the potential safety hazard of falling. For this reason, usually can set up the guardrail at the bridge floor edge, effectively prevent personnel from falling. The existing guardrails are simple structures and only comprise upright posts and cross rods which are bridged between the upright posts, and the structure has the following defects: because the clearance between stand and the horizontal pole is great, less article pass through the guardrail tenesmus easily, have the potential safety hazard, influence and use experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that a smaller object easily passes through the guardrail on the bridge and falls down in the prior art, and providing the guardrail for the bridge floor.

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

a guardrail for a bridge floor comprises a plurality of upright columns which are fixed on the bridge floor and are arranged at equal intervals, wherein the upright columns are connected in series through steel wire ropes, and a protection plate is arranged between every two adjacent upright columns; the guard plate includes interconnect's protection net piece and prevents the kickboard, and the protection net piece is connected with wire rope, prevents that the kickboard is located the bottom of protection net piece and contradicts in the bridge floor.

Further, the length between adjacent upright columns is integral multiple of the length of the protective net sheet; one or a plurality of protective net sheets which are spliced mutually are arranged between the adjacent upright columns, and the edges of the protective net sheets are matched with the side walls of the upright columns; the anti-kicking plate and the protective net piece are positioned on the same vertical plane.

Furthermore, each stand all is equipped with high-order perforation and the low-order perforation that supplies the wire rope to run through, and the high-order perforation of each stand is located the coplanar, and the low-order perforation of each stand is located the coplanar.

Furthermore, the bridge comprises an adjusting anchor point and a transition anchor point which are fixed at two ends of the bridge floor, wherein the transition anchor point is provided with a steering ring; the first end of the steel wire rope is connected with the adjusting anchor point, and the second end of the steel wire rope penetrates through the low-position perforation, the steering ring and the high-position perforation of each upright column in sequence and then is connected with the adjusting anchor point.

Furthermore, the first end and the second end of the steel wire rope are connected with the adjusting anchor point through turn buckle screws.

Furthermore, the adjusting anchor point and the transition anchor point are fixedly connected with a steel bar head of the bridge floor.

Furthermore, the adjusting anchor point and the transition anchor point are sleeved on a steel bar head of the bridge floor and are fixedly connected with the steel bar head through fixing screws; the adjusting anchor point and the transition anchor point are provided with threaded holes matched with the fixing screws.

Furthermore, each upright post is fixedly connected with a reinforcing steel bar head of the bridge deck.

Furthermore, each upright post is sleeved on a reinforcing steel bar head of the bridge floor and is fixedly connected with the reinforcing steel bar head through a locking screw; the bottom of the upright post is provided with a threaded hole matched with the locking screw.

Furthermore, the protective net piece is provided with a plurality of through holes in a matrix shape, and the kicking-proof plate is of a plate-shaped structure without holes.

Compared with the prior art, the utility model has the beneficial technical effects that:

the utility model discloses can reduce the size in guardrail clearance, and then prevent effectively that the less article of volume from passing through the guardrail and falling, prevent effectively that constructor or equipment from falling because of the article injured or damage, promote construction safety, promote to use and experience.

Drawings

FIG. 1 is a schematic view of a guardrail structure for a bridge deck according to the present embodiment;

FIG. 2 is a schematic structural diagram of a guard plate;

FIG. 3 is a schematic cross-sectional view of a transition anchor point;

fig. 4 is a schematic sectional structure view of the pillar.

In the figure, 1 upright post, 2 steel wire ropes, 3 protective plates, 4 protective meshes, 5 anti-kicking plates, 6 high-position through holes, 7 low-position through holes, 8 adjusting anchor points, 9 transition anchor points, 10 locking screws, 11 fixing screws and 12 reinforcing steel bar heads.

Detailed Description

The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.

As shown in fig. 1 to 4, the guardrail for a bridge floor according to the present embodiment includes a plurality of columns 1 fixed on the bridge floor and arranged at equal intervals, wherein the columns 1 are connected in series by a horizontally arranged steel cable 2, and a protection plate 3 is arranged between adjacent columns 1. The protection plate 3 includes interconnect's protection net piece 4 and prevents kicking plate 5, and protection net piece 4 is connected with wire rope 2, prevents that kicking plate 5 is located the bottom of protection plate 3 and contradicts in the bridge floor. The columns 1 can be laid along a straight line or along the edge of the deck in a non-straight line. The upright column 1 plays a role in supporting the steel wire rope 2 and assisting the steel wire rope 2 to deflect, so that the steel wire rope is aligned with the edge of the bridge deck. The protective net 4 is provided with a plurality of through holes in a matrix shape, and the kick-proof plate 5 is in a plate-shaped structure without holes. The steel wire rope 2 can be connected with the protective net piece 4 through a connecting piece, and the connecting piece can be a fixing rope respectively wound on the steel wire rope 2 and the protective net piece 4. The steel wire rope 2 can also be connected with the protective net 4 in a winding mode. Protection net piece 4 is connected on wire rope 2, and space between existing effective shutoff stand 1 still ensures to prevent that kickplate 5 from contradicting on the bridge floor, prevents through reducing the gap that the article from taking place to pass through the condition of falling. This embodiment is through setting up protection net piece 4 and preventing kickplate 5 between stand 1, can reduce the size in guardrail clearance, and then prevents effectively that the less article of volume from passing through the guardrail and falling, prevents effectively that constructor or equipment from falling because of the article and be injured or damage, promotes construction safety, promotes to use and experiences.

The length between the adjacent stand columns 1 is the integral multiple of the length of the protection net sheets 4, one or more protection net sheets 4 spliced with each other are arranged between the adjacent stand columns 1, the edges of the protection net sheets 4 are spliced with the side walls of the stand columns 1 in a matched mode, the regions between the stand columns 1 are completely plugged by the protection net sheets 4, the overlapping region area of the adjacent protection net sheets 4 is effectively reduced, and the using amount of raw materials is reduced. Preferably, this embodiment sets up monolithic protection net piece 4 between adjacent stand 1, has both ensured that the edge of protection net piece 4 matches the laminating with stand 1, effectively reduces the gap between the two, promotes the security performance, can also effectively save the raw materials quantity, again easy to assemble. According to the actual situation on site, two or three protection net pieces 4 which are arranged in parallel can be arranged between the adjacent upright posts 1 to block and cover the gaps between the adjacent upright posts 1. The vertical projection of the anti-kicking plate 5 is coincided with the vertical projection of the protective net piece 4, and the anti-kicking plate 5 and the protective net piece 4 are located on the same vertical plane. In order to enhance the firmness of the anti-kicking plate 5, the anti-kicking plate 5 can be fixedly laid on the bridge deck. The anti-kicking plates 5 are laid continuously in the region between the bottoms of adjacent uprights 1. The kicking-proof plate 5 is of a plate-shaped structure and is not provided with a through hole, the kicking-proof plate 5 completely blocks a gap between the bottom edge of the protective net 4 and the bridge floor, and articles are prevented from passing through and falling. Safety is ensured by setting the height H of the reasonable protection plate 3, and the height H of the protection plate 3 is not less than 1.2 m. When H < 1.2m, objects may easily pass through the area above it and fall because the height of the shield plate 3 is too low. The height of the protection plate 3 is 1.2m, so that safety is ensured, the consumption of raw materials is effectively reduced, and cost is reduced.

Each upright post 1 is provided with a high-position through hole 6 and a low-position through hole 7 for the steel wire rope to penetrate through, the setting height of the low-position through hole 7 is H1, H1 is more than or equal to 0.3m and less than or equal to 0.4m, and H1 is preferably more than or equal to 0.35 m. The height of the high-level through hole 6 is H2, 1m H2 m 1.2m, preferably H2 m 1.1 m. The high-level through holes 6 of the stand columns 1 are positioned on the same horizontal plane, and the low-level through holes 7 of the stand columns 1 are positioned on the same horizontal plane. The high-position through holes 6 and the low-position through holes 7 play a role in supporting the steel wire rope 2, ensure that the steel wire rope 2 can stably support the protective net piece 4, and ensure that the protective net piece 4 is positioned at a preset height. Through increasing the interval of low position perforation 7 and high position perforation 6 can promote the anti-overturning performance of guard plate 3, can also effectively ensure the interval between

wire rope

2 and 3 apical margin of guard plate or end edge, promote joint strength, can also effectively disperse in addition and undertake 3 level of guard plate to the effort. When constructor leaned on, can play the level to spacing supporting role to constructor, prevent the condition that takes place to fall.

This embodiment is still including being fixed in the regulation anchor point 8 and the transition anchor point 9 at bridge floor both ends, and transition anchor point 9 is equipped with the steering ring. The first end of the steel wire rope 2 is connected with the adjusting anchor point 8, and the second end of the steel wire rope passes through the low-level through holes 7 of the stand columns 1, the steering ring and the high-level through holes 6 of the stand columns 1 in sequence and then is connected with the adjusting anchor point 8. The first end and the second end of the steel wire rope 2 are connected with the adjusting anchor point 8 through the turnbuckle. The adjusting anchor point 8 is used for fixedly connecting and tensioning the end part of the steel wire rope 2. The turnbuckle can adjust the tension state of the steel wire rope 2. Transition anchor point 9 is used for taut wire rope 2 and assists wire rope 2 to turn to, ensures that guard plate 3 can promote assembly efficiency through reducing cutting wire rope 2 number of times on stand 1, effectively reduces turn-buckle use amount in addition, reduce cost. And the steel wire rope 2 is connected in series between the upright posts 1 in a tensioned state by adjusting the anchor points 8 and the transition anchor points 9. In addition, adjust anchor point 8 and transition anchor point 9 and all be located low perforation 7 below for wire rope 2 can exert down the effort to stand 1, prevents effectively that stand 1 from breaking away from reinforcing bar head 12.

The adjusting anchor point 8 and the transition anchor point 9 are fixedly connected with a steel bar head 12 of the bridge floor. Specifically, the adjusting anchor point 8 and the transition anchor point 9 are both tubular, an exposed and vertically arranged steel bar head 12 is left after the bridge deck is constructed, and the adjusting anchor point 8 and the transition anchor point 9 are both sleeved on the steel bar head 12 of the bridge deck and are fixedly connected with the steel bar head 12 through fixing screws 11. Adjust anchor point 8 and transition anchor point 9 and all be equipped with the screw hole of set screw 11 assorted. As shown in fig. 3, during installation, the adjusting anchor 8 and the transition anchor 9 are respectively sleeved on the steel bar head 12 and are fixedly locked with the steel bar head 12 through the fixing screws 11. The fixing screw 11 is screwed into the screw hole from outside to inside, and after the sleeve is in place, the fixing screw 11 is screwed and locked, so that the reinforcement head 12 is clamped between the fixing screw 11 and the inner side wall of the anchor point device. The number of the fixing screws 11 is at least two, and the fixing screws are arranged in a height staggered mode.

Each upright column 1 is fixedly connected with a reinforcing steel bar head 12 of the bridge floor. Specifically, the upright column 1 is tubular, an exposed and vertically arranged steel bar head 12 is left after the construction of the bridge deck, and the upright column 1 is sleeved on the steel bar head 12 of the bridge deck and is fixedly connected with the steel bar head 12 through a locking screw 10. The lower section of the reinforcing steel bar head 12 is inserted and fixedly connected in the bridge, and the upper end is exposed and fixedly connected with the upright post 1, so that the horizontal positioning of the upright post 1 is ensured. The bottom of the first upright post 1 is provided with a threaded hole matched with the locking screw 10. As shown in fig. 4, during installation, the vertical column 1 is sleeved on the steel bar head 12 from above and is fixedly locked with the steel bar head 12 through the locking screw 10. The locking screw 10 is screwed into the screw hole from outside to inside, and after the sleeve is put in place, the locking screw 10 is screwed and locked, so that the reinforcement head 12 is clamped between the locking screw 10 and the inner side wall of the upright post 1. The number of the locking screws 10 is at least two, and the locking screws are arranged in a height staggered mode.

The bridge is formed by pouring reinforced concrete, and after pouring is finished, the ends of the reinforcing steel bars are exposed out of the bridge floor to form reinforcing steel bar heads 12 which are distributed at equal intervals. The specific installation of this embodiment is realized by the following steps: firstly, respectively sleeving an adjusting anchor point 8 and a transition anchor point 9 on reinforcing steel bar heads 12 at two ends of a bridge deck, and screwing and locking the reinforcing steel bar heads 12 through fixing screws 11; then, sequentially sleeving a plurality of upright posts 1 on a steel bar head 12 positioned between the adjusting anchor point 8 and the transition anchor point 9, and fixedly connecting and locking the upright posts with the steel bar head 12 through locking screws 10; then, one end of the steel wire rope 2 is connected to an adjusting anchor point 8 through a turnbuckle, the other end of the steel wire rope sequentially passes through a low-level perforation 7 of each upright post 1, a steering ring and a high-level perforation 6 of each upright post 1, then is connected to the adjusting anchor point 8 through the turnbuckle, and the steel wire rope 2 is tensioned through adjusting the turnbuckle; and finally, fixedly connecting the protection plate 3 on the steel wire rope 2 through the protection net piece 4, and enabling the anti-kicking plate 5 to abut against the bridge floor. In the actual operation process, the protection net 4 is provided with a plurality of through holes in a matrix shape, and the kicking-proof plate 5 is of a plate-shaped structure without holes.

The embodiments of the present invention have been described in detail, and those skilled in the art can easily understand that there are various changes in the embodiments according to the idea of the present invention, and such changes should be considered as the protection scope of the present invention.

Claims

1. The utility model provides a guardrail for bridge floor which characterized in that:

the bridge comprises a plurality of upright columns (1) which are fixed on a bridge floor and are arranged at equal intervals, wherein the upright columns (1) are connected in series through steel wire ropes (2), and a protection plate (3) is arranged between every two adjacent upright columns (1);

the protection plate (3) comprises a protection net piece (4) and a kicking prevention plate (5) which are connected with each other, the protection net piece (4) is connected with the steel wire rope (2), and the kicking prevention plate (5) is located at the bottom of the protection net piece (4) and props against the bridge floor.

2. The guardrail for a bridge deck according to claim 1, wherein: the length between the adjacent upright posts (1) is integral multiple of the length of the protective net sheet (4); one or more mutually spliced protective meshes (4) are arranged between the adjacent upright columns (1), and the edges of the protective meshes (4) are matched with the side walls of the upright columns (1); the anti-kicking plate (5) and the protective net piece (4) are positioned on the same vertical plane.

3. The guardrail for a bridge deck according to claim 2, wherein: each upright post (1) is provided with a high-position through hole (6) and a low-position through hole (7) for the steel wire rope (2) to penetrate through, the high-position through holes (6) of the upright posts (1) are positioned on the same horizontal plane, and the low-position through holes (7) of the upright posts (1) are positioned on the same horizontal plane.

4. The guardrail for a bridge deck according to claim 3, wherein: the bridge deck is characterized by also comprising an adjusting anchor point (8) and a transition anchor point (9) which are fixed at the two ends of the bridge deck, wherein the transition anchor point (9) is provided with a steering ring; the first end of the steel wire rope (2) is connected with the adjusting anchor point (8), and the second end of the steel wire rope penetrates through the low-level through hole (7) of each upright post (1), the steering ring and the high-level through hole (6) of each upright post (1) in sequence and then is connected with the adjusting anchor point (8).

5. The guardrail for a bridge deck according to claim 4, wherein: the first end and the second end of the steel wire rope (2) are connected with the adjusting anchor point (8) through the turnbuckle.

6. The guardrail for a bridge deck according to claim 5, wherein:

the adjusting anchor point (8) and the transition anchor point (9) are fixedly connected with a steel bar head (12) of the bridge floor.

7. The guardrail for a bridge deck according to claim 6, wherein: the adjusting anchor point (8) and the transition anchor point (9) are sleeved on a steel bar head (12) of the bridge floor and are fixedly connected with the steel bar head (12) through a fixing screw (11); the adjusting anchor point (8) and the transition anchor point (9) are provided with threaded holes matched with the fixing screws (11).

8. The guardrail for a bridge deck according to claim 1, wherein: each upright post (1) is fixedly connected with a reinforcing steel bar head (12) of the bridge floor.

9. The guardrail for a bridge deck according to claim 8, wherein: each upright post (1) is sleeved on a reinforcing steel bar head (12) of the bridge deck and is fixedly connected with the reinforcing steel bar head (12) through a locking screw (10); the bottom of the upright post (1) is provided with a threaded hole matched with the locking screw (10).

10. The guardrail for a bridge deck according to any one of claims 1 to 9, wherein: the protective net (4) is provided with a plurality of through holes in a matrix shape, and the kicking-proof plate (5) is of a plate-shaped structure without holes.