CN217536660U

CN217536660U - Bridge steel guardrail telescoping device

Info

Publication number: CN217536660U
Application number: CN202220797098.8U
Authority: CN
Inventors: 麻伟; 刘纯; 张文亮
Original assignee: Civil Engineering Design Academy Of Chang'an University Co ltd
Current assignee: Civil Engineering Design Academy Of Chang'an University Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-10-04
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to a bridge steel guardrail telescoping device, it includes: the guardrail comprises a guardrail body, a fixed end guardrail and a sliding end guardrail; one end of the telescopic assembly is welded and fixed on the side walls of the first handrail column and the first handrail of the fixed-end guardrail, and the other end of the telescopic assembly is sleeved in a second handrail, a second cross rod and a telescopic cavity corresponding to the sliding-end guardrail; the telescoping assembly slides in the direction of the sliding end fence. The utility model provides a simple structure, construction convenience, swift, to pedestrian's safety protection ability high, flexible volume is big, later stage management maintains convenient, handsome in appearance's bridge steel guardrail telescoping device.

Description

Bridge steel guardrail telescoping device

Technical Field

The patent of the utility model relates to a bridge steel guardrail telescoping device belongs to the bridge engineering field.

Background

Many modern bridges in China adopt steel guardrails which are highly popular due to the advantages of light weight, various shapes, attractive appearance and the like. However, the steel guardrail deforms obviously under the action of temperature load, and especially the continuity of appearance, the scalability of deformation and the safety of structure are kept at the position of the bridge expansion joint. This requires the provision of a guardrail retractor.

At present, the main types of the bridge steel guardrail expansion device comprise a chain connection type, a movable hinge connection type, a clamping groove connection type and the like. Wherein, although the chain connection type has simple structure, the safety and the aesthetic property are not enough; the movable hinge connection type and the clamping groove connection type are complex in design, complex in construction and high in manufacturing cost.

According to the existing 'urban bridge design standard', the maximum clear distance between vertical members of sidewalk railings is not more than 110mm, and a structure with treading surfaces is not suitable for being adopted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, construction convenience, swift, to pedestrian's safety protection ability height, flexible volume big, later stage management maintenance convenience, handsome in appearance's bridge steel guardrail telescoping device.

This patent adopts following technical scheme to solve above technical problem:

the utility model provides a bridge steel guardrail telescoping device which includes:

the guardrail comprises a guardrail body, a fixed end guardrail and a sliding end guardrail;

one end of the telescopic assembly is welded and fixed on the side walls of the first handrail column and the first handrail of the fixed-end guardrail, and the other end of the telescopic assembly is sleeved in a second handrail, a second cross rod and a telescopic cavity corresponding to the sliding-end guardrail; the telescoping assembly slides in the direction of the sliding end fence.

Furthermore, the telescopic assembly comprises a telescopic handrail, a telescopic plate and telescopic cross rods arranged at the upper end and the lower end of the telescopic plate;

the telescopic handrail is inserted into a handrail II corresponding to the sliding end guardrail;

the telescopic plate is inserted into the corresponding telescopic cavity from an opening formed in a railing column II of the sliding end guardrail;

the telescopic cross rods at the upper end and the lower end are inserted into the cross rods II corresponding to the guardrails at the sliding ends.

Furthermore, the telescopic cavity is a closed cavity formed by welding steel plates, and decorative patterns or engraving publicity characters are arranged on the outer side of the telescopic cavity;

the expansion plate is designed in a hollow manner.

Furthermore, the periphery of the inner wall of the opening formed in the second handrail upright post is provided with a waterproof sealing rubber ring.

Further, the fixed-end guardrail sequentially comprises a first railing base, a first railing upright post, a first vertical rod, a first cross rod and a first handrail, wherein the first cross rod is arranged at the upper end and the lower end of the first vertical rod, and the first handrail is arranged at the top end of the first vertical rod;

the sliding end guardrail sequentially comprises a railing base II, a railing upright post II, a vertical rod II, a cross rod II and a handrail II, wherein the cross rod II is arranged at the upper end and the lower end of the vertical rod II, and the handrail II is arranged at the top end;

the position of the railing upright post two corresponding to the telescopic plate is provided with a hole and communicated with the telescopic cavity to supply the telescopic plate to slide.

Furthermore, the telescopic handrails, the telescopic plates and the telescopic cross rods arranged at the upper end and the lower end of the telescopic plates are all rectangular or round steel pipes.

Furthermore, the first railing upright post, the first cross rod, the first handrail, the second railing upright post, the second cross rod and the second handrail are all rectangular or round steel pipes;

furthermore, the telescopic handrail, the telescopic plate, the telescopic cross rod, the first railing column, the first cross rod, the first railing column, the second cross rod and the second railing column are made of Q235 or Q355 steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. simple structure, design processing and construction convenience.

2. Can guarantee that railing montant clear distance is not more than 110 mm's standard requirement, have certain crashproof ability, whole security is higher.

3. The device has better durability and less later-period management and maintenance cost through the structure, the waterproof measures and the coating process.

4. Different telescopic quantity requirements can be realized by adjusting the lengths of the telescopic handrails, the telescopic cross rods and the telescopic plates, the telescopic quantity is large, and the application range is wide.

5. The appearance of the telescopic device can be improved by hollowing out the telescopic plate and adding pattern decoration or engraving publicity characters on the outer surface of the telescopic cavity.

Drawings

FIG. 1 is an elevation view of a steel guardrail retraction device in an embodiment of the present patent;

FIG. 2 is a cross-sectional view of a steel guardrail retraction device in an embodiment of the present invention;

FIG. 3 is a sectional view of the bellows chamber of the bellows device according to the embodiment of the present patent;

fig. 4 is a schematic view of the expansion plate in the embodiment of this patent.

Fig. 5 is a schematic view of a pattern or promotional text outside the telescoping chamber in the embodiment of this patent.

Reference numerals are as follows:

1. a fixed end guardrail; 11. a railing base I; 12. a railing column I; 13. a first vertical rod; 14. a first cross bar; 15. a first handrail;

2. a sliding end guard rail; 21. a railing base II; 22. a railing post II; 23. a second vertical rod; 24. a second cross bar; 25. a second handrail; 26. opening a hole; 27. a telescopic cavity;

3. a telescoping assembly; 31. a telescopic handrail; 32. a retractable plate; 33. a telescopic cross bar;

4. waterproof sealing rubber rings; 5. a telescoping gap;

Detailed Description

In order to facilitate understanding of the purpose, technical solution and effect of the present invention, the present invention will now be described in further detail with reference to the embodiments.

As shown in fig. 1-5, the utility model discloses a bridge steel guardrail telescoping device, it includes:

the guardrail comprises a guardrail body, a guardrail body and a guardrail body, wherein the guardrail body comprises a fixed end guardrail 1 and a sliding end guardrail 2;

one end of the telescopic component 3 is welded and fixed on the side walls of the first railing column 12 and the first handrail 15 of the fixed end guardrail 1, and the other end of the telescopic component is sleeved in the second handrail 25, the second cross rod 24 and the telescopic cavity 27 corresponding to the sliding end guardrail 2; the telescopic assembly 3 slides in the direction of the sliding end rail 2.

The utility model discloses a bridge steel guardrail expansion device, which is characterized in that an expansion component 3 is arranged on the existing guardrail body; the length of the telescopic handrail 31, the telescopic cross rod 33 and the telescopic plate 32 can be adjusted to meet different telescopic quantity requirements, the telescopic quantity is large, and the application range is wide.

The utility model discloses a bridge steel guardrail telescoping device can guarantee standard requirement completely, guarantees pedestrian's safety. Meanwhile, the anti-collision device has the advantages of simple structure, convenience in processing, large telescopic quantity, high safety, strong practicability, convenience and quickness in construction, strong anti-collision capacity and high attractiveness.

As shown in fig. 1-3, the telescopic assembly 3 of the steel guardrail device for a bridge of the present invention comprises a telescopic handrail 31, a telescopic plate 32 and telescopic cross bars 33 disposed at the upper and lower ends of the telescopic plate 32;

the telescopic handrail 31 is inserted into the second handrail 25 corresponding to the sliding end guardrail 2;

the telescopic plate 32 is inserted into the corresponding telescopic cavity 27 from the opening 26 arranged on the second railing post 22 of the sliding end guardrail 2;

the telescopic cross bars 33 at the upper end and the lower end are inserted into the cross bars 24 corresponding to the sliding end guardrails 2.

The utility model discloses a bridge steel guardrail telescoping device, the telescopic component 3 comprises a telescopic handrail 31, a telescopic plate 32 and telescopic cross rods 33 arranged at the upper end and the lower end of the telescopic plate 32, and the purpose of fine tuning and telescoping can be realized according to the deformation of the bridge railing; especially, the continuity of appearance, the scalability of deformation and the structural safety are kept at the position of the bridge expansion joint.

The utility model discloses a bridge steel guardrail telescoping device, the side wall department of stiff end guardrail 1 is located in the welding of 3 one ends of flexible subassembly, and the other end inserts the position that sliding end guardrail 2 corresponds; the exposed part of the telescopic assembly 3, namely the telescopic gap 5, can be adjusted according to the continuity of the telescopic position of the bridge and the scalability on the deformation, thereby effectively ensuring the use safety of the guardrail.

As shown in fig. 1-3, in the bridge steel fence telescoping device of the present invention, the telescoping cavity 27 is formed by welding steel plates to form a closed cavity, and the outside of the telescoping cavity 27 is provided with decorative patterns or engraves publicity characters;

the expansion plate 32 is designed to be hollow, and the expansion plate 32 is designed to reduce the dead weight, improve the appearance and permeability, so the hollow design is adopted; effectively reducing the weight of the utility model and enhancing the aesthetic property of the utility model.

As shown in fig. 1-3, the utility model discloses a bridge steel guardrail telescoping device, the trompil 26 inner wall week that sets up on railing post two 22 sets up waterproof sealing rubber circle 4, improves the durability of telescoping device.

As shown in fig. 1, the fixed-end guardrail 1 of the bridge steel guardrail telescoping device of the present invention comprises, from bottom to top, a first railing base 11, a first railing column 12, a first vertical rod 13, a first cross rod 14 disposed at the upper and lower ends of the first vertical rod 13, and a first handrail 15 disposed at the top end;

the sliding end guardrail 2 sequentially comprises a railing base II 21 a second railing post 22 the second vertical rod 23, the second cross rod 24 arranged at the upper end and the lower end of the second vertical rod 23 and the second handrail 25 arranged at the top end are arranged;

the position of the second railing post 22 corresponding to the telescopic plate 32 is provided with an opening 26 and communicated with the telescopic cavity 27 for the telescopic plate 32 to slide.

The utility model discloses a bridge steel guardrail telescoping device, this stiff end guardrail 1 and slip end guardrail 2 are current guardrail, its improve do in the position that railing stand two 22 correspond expansion plate 32 is equipped with trompil 26 and with flexible chamber 27 intercommunication supplies expansion plate 32 slides.

The telescopic handrail 31, the telescopic plate 32 and the telescopic cross rods 33 arranged at the upper end and the lower end of the telescopic plate 32 are all rectangular or round steel pipes.

As shown in fig. 1, the utility model discloses a bridge steel guardrail telescoping device, railing post 12, horizontal pole 14, handrail 15, railing post two 22, horizontal pole two 24 and handrail two 25 all adopt rectangle or circular steel pipe, and length is confirmed according to the design needs.

It should be further noted that the second cross bar 24 and the second handrail 25, which are inserted correspondingly in the telescopic handrail 31 and the telescopic cross bar 33, are both circular hollow steel pipes, so that they can slide therein.

As shown in fig. 1, in the steel guardrail telescoping device for a bridge of the present invention, the telescopic handrail 31, the telescopic plate 32 and the telescopic cross rods 33 disposed at the upper and lower ends of the telescopic plate 32 are all rectangular or circular steel pipes; the length is determined by calculation according to the design expansion amount of the bridge.

As shown in fig. 1, the utility model discloses a bridge steel guardrail telescoping device, flexible handrail 31, expansion plate 32, flexible horizontal pole 33, railing post 12, horizontal pole 14, handrail 15, railing post 22, horizontal pole 24 and handrail 25 all adopt Q235 or Q355 steel.

The utility model discloses a bridge steel guardrail telescoping device sets up stiff end guardrail 1 in the lower one side of elevation, and slip end guardrail 2 sets up and prevents that the rainwater from corroding in the higher one side of elevation.

The utility model discloses a bridge steel guardrail telescoping device, flexible subassembly 3 is unanimous with the anticorrosive application of guardrail, this kind of bridge steel guardrail telescoping device simple structure, and processing is convenient, and flexible volume is big, and the security is high, and the practicality is stronger, and construction convenience is swift, has certain aesthetic property.

The utility model discloses a promote reinforcing system of bridge bearing capacity fast's construction steps as follows:

A. the sizes of the fixed end guardrail 1 and the sliding end guardrail 2 are processed in a factory according to the design requirements;

B. and (4) selecting an anticorrosive coating process and parameters according to the environmental conditions of the reinforced bridge and relevant specifications, and finishing construction.

C. Welding the telescopic handrail 31, the telescopic plate 32 and the telescopic cross rod 33 on the railing post I12 in a factory;

D. anchoring or welding a railing post I12 on a railing base I11 (ground burden) in a construction site;

E. the telescopic handrail 31 is inserted into the second handrail 25 corresponding to the sliding end guardrail 2;

the telescopic cross rods 33 at the upper end and the lower end are inserted into the cross rod II 24 corresponding to the sliding end guardrail 2;

F. and (5) completing the installation of the full-bridge railing and the railing telescopic device and completing construction.

The present invention has been further described with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a bridge steel guardrail telescoping device which characterized in that, it includes:

the guardrail comprises a guardrail body, a guardrail body and a guardrail body, wherein the guardrail body comprises a fixed end guardrail (1) and a sliding end guardrail (2);

one end of the telescopic component (3) is welded and fixed on the side walls of the first handrail column (12) and the first handrail (15) of the fixed end guardrail (1), and the other end of the telescopic component is sleeved in a second handrail (25), a second cross bar (24) and a telescopic cavity (27) corresponding to the sliding end guardrail (2); the telescopic assembly (3) slides along the direction of the sliding end guardrail (2).

2. The steel bridge guardrail telescoping device of claim 1, wherein:

the telescopic assembly (3) comprises a telescopic handrail (31), a telescopic plate (32) and telescopic cross rods (33) arranged at the upper end and the lower end of the telescopic plate (32);

the telescopic handrail (31) is inserted into a second handrail (25) corresponding to the sliding end guardrail (2);

the telescopic plate (32) is inserted into the corresponding telescopic cavity (27) from an opening hole (26) formed in a railing column II (22) of the sliding end guardrail (2);

telescopic cross bars (33) at the upper end and the lower end are inserted into the cross bar II (24) corresponding to the sliding end guardrail (2).

3. The telescopic device for steel bridge guardrails according to claim 2, characterized in that:

the telescopic cavity (27) is a sealed cavity formed by welding steel plates, and the telescopic plate (32) is designed in a hollow mode.

4. The steel bridge guardrail telescoping device of claim 3, wherein:

the side of the inner wall of the opening (26) arranged on the second railing upright post (22) is provided with a waterproof sealing rubber ring (4).

5. The steel bridge guardrail telescoping device of claim 4, wherein:

the fixed end guardrail (1) sequentially comprises a railing base I (11), a railing upright post I (12), a vertical rod I (13), a cross rod I (14) arranged at the upper end and the lower end of the vertical rod I (13) and a handrail I (15) arranged at the top end from bottom to top;

the sliding end guardrail (2) sequentially comprises a second railing base (21), a second railing upright post (22) and a second railing frame a second vertical rod (23), a second cross rod (24) arranged at the upper end and the lower end of the second vertical rod (23), and a second handrail (25) arranged at the top end;

the position of the second railing column (22) corresponding to the expansion plate (32) is provided with an opening (26) and communicated with the expansion cavity (27) for the expansion plate (32) to slide.

6. The steel bridge guardrail telescoping device of claim 5, wherein:

the telescopic handrail (31), the telescopic plate (32) and the telescopic cross rods (33) arranged at the upper end and the lower end of the telescopic plate (32) are all rectangular or circular steel pipes.

7. The steel bridge guardrail telescoping device of claim 6, wherein:

the first railing post (12), the first cross rod (14), the first handrail (15), the second railing post (22), the second cross rod (24) and the second handrail (25) are all rectangular or round steel pipes.

8. The steel bridge guardrail telescoping device of claim 7, wherein:

the telescopic handrail (31), the telescopic plate (32), the telescopic cross rod (33), the railing post I (12), the cross rod I (14), the railing post I (15), the railing post II (22), the cross rod II (24) and the railing post II (25) are all made of Q235 or Q355 steel.