CN214143341U - Walking type hanging bracket for post-pouring section of box girder flange plate - Google Patents
Walking type hanging bracket for post-pouring section of box girder flange plate Download PDFInfo
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- CN214143341U CN214143341U CN202023240404.8U CN202023240404U CN214143341U CN 214143341 U CN214143341 U CN 214143341U CN 202023240404 U CN202023240404 U CN 202023240404U CN 214143341 U CN214143341 U CN 214143341U
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Abstract
The utility model discloses a watering section walking gallows behind case roof beam flange board, including the girder, the girder passes through symmetrical connection around the I-steel together, is provided with flat bar, walking dolly, preceding fulcrum and operation platform on the girder, flat bar welded mounting is fixed in two girder bottoms, the walking dolly is fixed in on the flat bar of girder bottom through round pin axle pin joint, and the interior track has been placed to walking dolly bottom symmetry, preceding fulcrum passes through bracing and flat bar and welds in the middle of the girder bottom, and outer track has been placed to preceding fulcrum bottom symmetry, operation platform passes through the bolted connection installation and is fixed in girder top right side. The utility model discloses effectively solved the problem that surpasss the unable dismouting of tower crane scope block section gallows and template, reasonable tissue refines the process, fine improvement efficiency of construction, reduce the cost.
Description
Technical Field
The utility model relates to a case roof beam flange plate post-cast section walking gallows belongs to bridge construction equipment technical field.
Background
The post-cast strip is a harmful crack which is possibly generated due to the fact that the cast-in-place reinforced concrete structure shrinks unevenly or settles unevenly in the building construction process. At present, a single-box three-chamber large-cantilever variable-cross-section PC continuous box girder is adopted in the existing main bridge box girder construction, a post-cast strip cantilever is long, the thickness of the plate is thin, meanwhile, the midspan part block section of the main bridge box girder exceeds the range of a tower crane, and no hoisting machinery is used in the construction. In order to solve the problems, a new technical scheme is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a case roof beam flange plate post-cast section walking gallows to solve the problem that proposes among the above-mentioned background art.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a case roof beam flange board post-cast section walking gallows, includes the girder, the girder passes through I-steel front and back symmetrical connection together, is provided with flat bar, walking dolly, front branch and operation platform on the girder, flat bar welded mounting is fixed in two girder bottoms, the walking dolly is fixed in on the girder bottom flat bar through round pin axle pin joint, and the inner rail has been placed to walking dolly bottom symmetry, preceding fulcrum passes through bracing and flat bar and welds in the middle of the girder bottom, and outer track has been placed to front branch bottom symmetry, operation platform passes through bolted connection installation and is fixed in girder top right side.
Preferably, the inner rail is fixed on the inner side of the top of the box girder through bolts, and the outer rail is fixed on the outer side of the top of the box girder through bolts.
Preferably, the hanging strip is fixedly installed on the right side of the top of the main beam through a channel steel and a pin shaft, a longitudinal beam is placed below the hanging strip, a lower channel steel and a truss are arranged on the longitudinal beam, the lower channel steel is symmetrically installed and fixed on two sides of the bottom of the longitudinal beam through bolts, the truss is installed and fixed on the top of the longitudinal beam through I-shaped steel, a safety protection platform and a template are arranged on the truss, the safety protection platform is installed and fixed on the right side of the top of the truss through bolts, and the template is installed and fixed on the top of the truss through bolts.
Preferably, the channel-section steel is connected with the suspender through the round pin axle under the right side, and the channel-section steel is connected with the stock through the nut under the left side, the stock top is connected in the case roof beam top outside through the nut.
Preferably, the distance between the walking trolleys is 6 meters, the distance between the front supporting points is 4.8 meters, and the walking trolleys are formed by mutually connecting and combining an upper supporting frame, a cross support and a wheel carrier assembly through pin shafts.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is designed as a walking type, compared with the common detachable type hanger, the utility model saves manpower and material resources, and normal construction can be carried out without a hoisting equipment block in the midspan; the hanging bracket can be connected with a lower flat rod of the main bridge hanging basket and travels together with the main bridge hanging basket, so that the traveling construction process of the post-cast strip hanging bracket is saved; the walking trolley is designed to be movably connected by three pins in a pin mode, and the transverse bridge of the walking trolley can swing in the axial direction so as to ensure that the wheels of the walking trolley are stressed uniformly; synthesize the above the utility model discloses effectively solved the problem that surpasss the unable dismouting of tower crane range block gallows and template, reasonable tissue refines the process, fine improvement efficiency of construction, reduce the cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the walking trolley of the present invention;
FIG. 4 is a schematic view of the structure of the walking trolley of the present invention;
in the figure: 1-a main beam; 2-a flat bar; 3-a walking trolley; 4-front pivot; 5-operating the platform; 6-inner orbit; 7-diagonal bracing; 8-outer orbit; 9-a sling; 10-longitudinal beams; 11-lower channel steel; 12-a truss; 13-a safety protection platform; 14-a template; 15-anchor rod; 16-upper support frame; 17-a cross brace; 18-a wheel carriage assembly; 19-pin shaft.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely explained below with reference to the drawings in the embodiment of the present invention.
As shown in figures 1-4, a walking type hanger for post-cast sections of box girder flange plates comprises main girders 1, the main girders 1 are symmetrically connected together in the front-back direction through I-steel, a flat bar 2, a walking trolley 3, a front support point 4 and an operating platform 5 are arranged on the main girders 1, the flat bar 2 is welded and fixed at the bottoms of the two main girders 1, the walking trolley 3 is fixed on the flat bar 2 at the bottoms of the main girders 1 through pin pins of pin shafts, inner rails 6 are symmetrically placed at the bottom of the walking trolley 3, the front support point 4 is welded in the middle of the bottom of the main girder 1 through an inclined support 7 and the flat bar 2, outer rails 8 are symmetrically placed at the bottom of the front support point 4, the operating platform 5 is fixed at the right side of the top of the main girders 1 through bolt connections, the inner rails 6 are fixed at the inner side of the top of the box girder through bolts, the outer rails 8 are fixed at the outer side of the top of the box girder through bolts, braces 9 are fixed at the right side of the top of the main girders 1 through channel steel and pin shafts, longeron 10 has been placed to suspender 9 below, be provided with down channel-section steel 11 and truss 12 on the longeron 10, lower channel-section steel 11 is fixed in longeron 10 bottom both sides through the installation of bolt symmetry, truss 12 is fixed in longeron 10 top through the installation of worker's shaped steel, be provided with safety protection platform 13 and template 14 on the truss 12, safety protection platform 13 is fixed in truss 12 top right side through the bolt installation, template 14 is fixed in truss 12 top through the bolt installation, channel-section steel 11 is connected with suspender 9 through the round pin axle under the right side, channel-section steel 11 is connected with stock 15 through the nut under the left side, 15 tops of stock are connected in the roof beam top outside through the nut, the interval of walking dolly 3 is 6 meters, the interval of front fulcrum 4 is 4.8 meters, walking dolly 3 is by upper bracket 16, cross brace 17, wheel carrier assembly 18 forms through the combination of round pin axle 19.
The specific use mode is as follows: splitting the hanging bracket on each side of the box girder into two hanging brackets, and walking independently, wherein the hanging brackets on the two sides walk synchronously; when the post-cast strip hanger moves, the outer side of the truss 12 is lifted and hung unchanged, and the longitudinal beam 10 is lifted and hung inwards by a sliding hanger of a hole-through finish-rolling deformed steel bar anchor pre-embedded on the post-cast strip; the hanger is anchored on the track by adopting a walking trolley in the walking process, the walking hanger is pushed by adopting a jack at the position of the front pivot 4, the hanger is fixed on the box girder after the walking is finished, and then the post-cast strip construction of the cantilever section is carried out.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.
Claims (5)
1. The utility model provides a box girder flange board post-cast section walking gallows, includes girder (1), its characterized in that: girder (1) through I-steel front and back symmetrical connection together, be provided with flat bar (2), walking dolly (3), preceding fulcrum (4) and operation platform (5) on girder (1), flat bar (2) welded mounting is fixed in two girder (1) bottoms, walking dolly (3) are fixed in girder (1) bottom flat bar (2) through round pin axle pin joint on, and inner rail (6) have been placed to walking dolly (3) bottom symmetry, preceding fulcrum (4) weld in the middle of girder (1) bottom through bracing (7) and flat bar (2), and outer track (8) have been placed to preceding fulcrum (4) bottom symmetry, operation platform (5) are fixed in girder (1) top right side through bolted connection installation.
2. The box girder flange plate post-cast section walking type hanger of claim 1, characterized in that: the inner rail (6) is fixedly installed on the inner side of the top of the box girder through bolts, and the outer rail (8) is fixedly installed on the outer side of the top of the box girder through bolts.
3. The box girder flange plate post-cast section walking type hanger of claim 1, characterized in that: girder (1) top right side is fixed with suspender (9) through channel-section steel and round pin axle installation, longeron (10) have been placed to suspender (9) below, be provided with down channel-section steel (11) and truss (12) on longeron (10), channel-section steel (11) are fixed in longeron (10) bottom both sides through the bolt symmetry installation down, truss (12) are fixed in longeron (10) top through the installation of I-shaped steel, are provided with safety protection platform (13) and template (14) on truss (12), safety protection platform (13) are fixed in truss (12) top right side through the bolt installation, template (14) are fixed in truss (12) top through the bolt installation.
4. The box girder flange plate post-cast section walking hanger of claim 3, characterized in that: channel-section steel (11) are connected with suspender (9) through round pin axle under the right side, and channel-section steel (11) are connected with stock (15) through the nut under the left side, stock (15) top is connected in the case roof beam top outside through the nut.
5. The box girder flange plate post-cast section walking type hanger of claim 1, characterized in that: the walking trolley (3) is characterized in that the distance between the walking trolley (3) and the front supporting point (4) is 6 meters, the distance between the front supporting points (4) is 4.8 meters, and the walking trolley (3) is formed by mutually connecting and combining an upper supporting frame (16), a cross support (17) and a wheel carrier assembly (18) through a pin shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023240404.8U CN214143341U (en) | 2020-12-29 | 2020-12-29 | Walking type hanging bracket for post-pouring section of box girder flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023240404.8U CN214143341U (en) | 2020-12-29 | 2020-12-29 | Walking type hanging bracket for post-pouring section of box girder flange plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214143341U true CN214143341U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023240404.8U Active CN214143341U (en) | 2020-12-29 | 2020-12-29 | Walking type hanging bracket for post-pouring section of box girder flange plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214143341U (en) |
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2020
- 2020-12-29 CN CN202023240404.8U patent/CN214143341U/en active Active
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