CN212052339U

CN212052339U - Large-span bridge frame

Info

Publication number: CN212052339U
Application number: CN202020009191.9U
Authority: CN
Inventors: 文会儒
Original assignee: Zhuhai Extreme Aerial Working Equipment Co ltd
Current assignee: Zhuhai Extreme Aerial Working Equipment Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-12-01
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a large-span bridge frame, including the bridge subassembly, the guardrail subassembly is all installed to the top of bridge subassembly corresponding both sides, the both ends of bridge subassembly are all installed on the second grade support frame that forms by the young concatenation of the young frame of second grade snake and the young frame of tertiary snake, the top center department at the tertiary support frame that forms by the young frame concatenation of tertiary snake is installed to the second grade support frame, the bridge subassembly includes the young frame of lower level four snake, not opening platform board, the young backing plate of frame of snake and square connecting block, the bridge subassembly has the young parallel concatenation of the young frame of lower level four snake that a plurality of symmetry set up to form, and two adjacent young framves of lower level four snake are connected through the square connecting block. The utility model discloses novel structure thinks about ingeniously, and concatenation length can be according to using place independent assortment to use, the effectual convenience that promotes the use, and the installation is convenient with the dismantlement moreover, and structural strength is high, ensures the firm reliable stability of bridge, effectively ensures staff's safety.

Description

Large-span bridge frame

Technical Field

The utility model relates to a bridge frame technical field specifically is a large-span bridge frame.

Background

Along with the development of science and technology, many difficult and complicated problems at high altitude are treated, the existing high-altitude operation equipment on the market is various in types and complete in matching, and the technology in the aspect is mature day by day. The scaffold is used as one of main forces of high-altitude operation equipment, has wide application, such as maintenance, decoration and the like, and also has a plurality of advantages: light weight, flexibility, convenient transportation, quick assembly and disassembly and the like.

However, the conventional scaffold is generally short in stroke and inconvenient to use in large-span operation, so that a large-span bridge frame is necessary to design.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a large-span bridge frame, this large-span bridge frame, novel structure thinks about ingeniously, and concatenation length can be used according to using the place independent assortment, the effectual convenience that has promoted the use, and the installation is convenient with the dismantlement moreover, and structural strength is high, ensures that the bridge is firm reliable stable, effectively ensures staff's safety.

In order to achieve the above object, the utility model provides a following technical scheme: a large-span bridge frame comprises a bridge span assembly, wherein guardrail assemblies are mounted on two corresponding sides of the top of the bridge span assembly, two ends of the bridge span assembly are mounted on a secondary support frame formed by splicing a secondary snake rack and a tertiary snake rack, and the secondary support frame is mounted in the center of the top of the tertiary support frame formed by splicing the tertiary snake racks;

the bridge span assembly comprises a lower four-level snake rack, a non-opening platform plate, a snake rack base plate and square connecting blocks, the bridge span assembly is formed by splicing a plurality of symmetrically arranged lower four-level snake racks in parallel, two adjacent lower four-level snake racks are connected through the square connecting blocks, the two square connecting blocks are connected through the snake rack base plate, and the non-opening platform plate is symmetrically arranged on two sides of the snake rack base plate and is positioned between the two lower four-level snake racks;

the guardrail subassembly includes the young frame of bracing piece and last level four snake, the young frame parallel distribution of last level four snake is under the young frame of level four snake directly over, and two adjacent young framves of last level four snake are connected through the square connecting block, and the square connecting block on the young frame of last level four snake is connected through the young frame of second grade snake with the square connecting block on the young frame of level four snake down, the young frame of last level four snake is connected through the bracing piece of dislocation cross distribution with the young frame of lower level four snake.

Preferably, the support rod is fixed with the upper level snake rack and the lower level snake rack through universal buckles.

Preferably, the four corner positions at the bottom of the third-level support frame are provided with trundles, and the periphery of the bottom of the third-level support frame is provided with a plurality of pin assemblies.

Preferably, the pin assembly comprises a mounting seat, a socket, an insertion rod, a bottom foot and an insertion handle, the mounting seat is mounted around the bottom of the three-level support frame, the socket is mounted at the center of the top of the mounting seat, the insertion rod is fixedly inserted into the socket, the insertion handle is fixedly arranged at the top end of the insertion rod, and the bottom foot is fixedly arranged at the bottom end of the insertion rod.

Preferably, a hanging ladder is installed on one side of the top of the third-level support frame.

Preferably, the second-level snake rack, the third-level snake rack, the lower-level snake rack and the upper-level snake rack are all high-strength aluminum alloy material components.

The utility model has the advantages that:

the bridge span assembly and the guardrail assembly are formed by mutually splicing the upper-level snake and the lower-level snake, the splicing length of the bridge span assembly and the guardrail assembly can be used according to free combination of the use field, the use convenience is effectively improved, the bridge span assembly is convenient to install and disassemble, meanwhile, the upper-level snake and the lower-level snake are connected through the support rods which are staggered and distributed in a cross mode, the structural strength of the bridge span assembly can be effectively enhanced, the bending deformation of the bridge span assembly is reduced, the bridge is ensured to be firm, reliable and stable, and the safety of workers is effectively guaranteed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall left-side view structure of the present invention;

FIG. 3 is a schematic plan view of the bridge span assembly of the present invention;

fig. 4 is a schematic plan view of the guardrail assembly of the present invention;

FIG. 5 is a schematic plan view of the pin assembly of the present invention;

FIG. 6 is a schematic view of the three-dimensional structure of the second-stage snake rack of the present invention;

fig. 7 is a schematic view of a three-dimensional structure of the three-stage snake rack of the present invention;

reference numbers in the figures: 1. a bridge span assembly; 2. a guardrail assembly; 3. a secondary support frame; 4. a third-stage support frame; 5. a caster wheel; 6. a pin assembly; 7. hanging a ladder; 8. a fourth-stage snake rack; 9. a platform plate is not opened; 10. a snake rack backing plate; 11. a square connecting block; 12. a support bar; 13. a snake rack of the upper level; 14. a mounting seat; 15. a socket; 16. inserting a rod; 17. footing; 18. a handle is inserted; 19. a second-stage snake rack; 20. three-stage snake rack.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-7.

Given by fig. 1-7, the utility model provides the following technical scheme: a large-span bridge frame comprises a bridge span assembly 1, wherein guardrail assemblies 2 are mounted on two corresponding sides of the top of the bridge span assembly 1, two ends of the bridge span assembly 1 are mounted on a second-stage support frame 3 formed by splicing a second-stage snake rack 19 and a third-stage snake rack 20, and the second-stage support frame 3 is mounted in the center of the top of a third-stage support frame 4 formed by splicing the third-stage snake racks 20;

the bridge span assembly 1 comprises a lower four-level snake rack 8, a non-opening platform plate 9, snake rack backing plates 10 and square connecting blocks 11, the bridge span assembly 1 is formed by splicing a plurality of symmetrically arranged lower four-level snake racks 8 in parallel, two adjacent lower four-level snake racks 8 are connected through the square connecting blocks 11, the two square connecting blocks 11 are connected through the snake rack backing plates 10, the non-opening platform plates 9 are symmetrically arranged on two sides of the snake rack backing plates 10 and located between the two lower four-level snake racks 8, and meanwhile, other types of scaffolds can be built on the bridge span assembly 1 to form a combined bridge frame;

the guardrail component 2 comprises a supporting rod 12, an upper level four snake rack 13 and a second level snake rack 19, the upper level four snake rack 13 is distributed in parallel right above a lower level four snake rack 8, two adjacent upper level four snake racks 13 are connected through a square connecting block 11, the square connecting block 11 on the upper level four snake rack 13 is connected with the square connecting block 11 on the lower level four snake rack 8 through the second level snake rack 19, the upper level four snake rack 13 and the lower level four snake rack 8 are connected through supporting rods 12 which are distributed in a staggered and crossed manner, the bridge span component 1 and the guardrail component 2 are formed by splicing the upper level four snake rack 13, the lower level four snake rack 8 and the square connecting block 11, the splicing length can be freely combined and used according to the use field, the use convenience is effectively improved, the installation and disassembly are convenient, meanwhile, the upper level four snake rack 13 and the lower level four snake rack 8 are connected through the supporting rods 12 which are distributed in a staggered and crossed manner, can effectively strengthen the structural strength of bridge span subassembly 1, reduce bridge span subassembly 1 bending deformation, ensure that the bridge is firm reliable stable, effectively ensure staff's safety.

The bracing piece 12 is all fixed through universal knot with the young frame of last level four snake 13 and the young frame 8 of lower level four snake, and connection stability is good.

The trundles 5 are arranged at the four corner positions at the bottom of the three-level support frame 4, and the pin assemblies 6 are arranged around the bottom of the three-level support frame 4, so that the whole bridge frame can be flexibly moved.

The pin subassembly 6 includes mount pad 14, socket 15, the inserted bar 16, footing 17 and plug handle 18, mount pad 14 is installed around the bottom of tertiary support frame 4, the top center department of mount pad 14 installs socket 15, it is fixed with inserted bar 16 to peg graft on the socket 15, the top of inserted bar 16 is fixed with plug handle 18, the bottom mounting of inserted bar 16 has footing 17, when moving bridge frame to the position of use, through shaking plug handle 18, drive the inside motion of inserted bar 16 at socket 15, make footing 17 and ground contact, thereby can effectually guarantee the fixed stability of bridge frame.

A hanging ladder 7 is installed on one side of the top of the three-level support frame 4, and climbing is facilitated.

The two-stage snake rack 19, the three-stage snake rack 20, the lower four-stage snake rack 8 and the upper four-stage snake rack 13 are all high-strength aluminum alloy members, so that the bridge is firm, reliable and stable, and the safety of workers is effectively guaranteed.

The utility model discloses during the use, the bridge span subassembly 1 and guardrail subassembly 2 are by the young frame 13 of last level four snake, the young frame 8 of lower level four snake and the mutual concatenation of square connecting block 11 form, its concatenation length can be according to using the place independent assortment to use, the effectual convenience that has promoted the use, and the installation is convenient with the dismantlement, the young frame 13 of last level four snake is connected through dislocation cross distribution's bracing piece 12 with the young frame 8 of lower level four snake simultaneously, can effectively strengthen the structural strength of bridge span subassembly 1, reduce bridge span subassembly 1 bending deformation, ensure that the bridge is firm reliable stable, effectively ensure staff's safety.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-span bridge frame, includes bridge span subassembly (1), its characterized in that: the guardrail assemblies (2) are mounted on two corresponding sides of the top of the bridge span assembly (1), two ends of the bridge span assembly (1) are mounted on a secondary support frame (3) formed by splicing a secondary snake rack (19) and a tertiary snake rack (20), and the secondary support frame (3) is mounted at the center of the top of a tertiary support frame (4) formed by splicing the tertiary snake racks (20);

the bridge span assembly (1) comprises lower level four snake sub-frames (8), non-opening platform plates (9), snake sub-frame base plates (10) and square connecting blocks (11), the bridge span assembly (1) is formed by splicing a plurality of symmetrically arranged lower level four snake sub-frames (8) in parallel, two adjacent lower level four snake sub-frames (8) are connected through the square connecting blocks (11), the two square connecting blocks (11) are connected through the snake sub-frame base plates (10), and the non-opening platform plates (9) are symmetrically arranged on two sides of the snake sub-frame base plates (10) and located between the two lower level four snake sub-frames (8);

guardrail subassembly (2) are including bracing piece (12), the young frame of last level four snake (13) and the young frame of second grade snake (19), the young frame of last level four snake (13) parallel distribution is under the young frame of level four snake (8) directly over, and two adjacent young frames of last level four snake (13) are connected through square connecting block (11), and square connecting block (11) on the young frame of last level four snake (13) are connected through the young frame of second grade snake (19) with square connecting block (11) on the young frame of lower level four snake (8), the young frame of last level four snake (13) is connected through dislocation cross distribution's bracing piece (12) with the young frame of lower level four snake (8).

2. The large-span bridge as claimed in claim 1, wherein: the support rod (12) is fixed with the upper level snake rack (13) and the lower level snake rack (8) through universal buckles.

3. The large-span bridge as claimed in claim 1, wherein: the four corner positions in the bottom of three-level support frame (4) are provided with truckles (5), and a plurality of pin assemblies (6) are arranged around the bottom of three-level support frame (4).

4. The large-span bridge as claimed in claim 3, wherein: the base pin assembly (6) comprises a mounting seat (14), a socket (15), an inserting rod (16), a bottom foot (17) and an inserting handle (18), the mounting seat (14) is mounted on the periphery of the bottom of the three-level supporting frame (4), the socket (15) is mounted at the center of the top of the mounting seat (14), the inserting rod (16) is fixedly connected to the socket (15) in an inserting mode, the inserting handle (18) is fixedly arranged at the top end of the inserting rod (16), and the bottom end of the inserting rod (16) is fixedly provided with the bottom foot (17).

5. The large-span bridge as claimed in claim 1, wherein: and a hanging ladder (7) is installed on one side of the top of the three-stage support frame (4).

6. The large-span bridge as claimed in claim 1, wherein: the second-level snake rack (19), the third-level snake rack (20), the lower-level snake rack (8) and the upper-level snake rack (13) are all high-strength aluminum alloy material components.