CN219059780U - Support for large-span cast-in-situ bridge construction - Google Patents

Abstract

The utility model provides a support for large-span cast-in-situ bridge construction, which relates to the technical field of construction supports, and comprises a bailey beam, a scaffold and a steel pipe support, wherein the steel pipe support is vertically arranged on the ground, the bailey beam is paved on the steel pipe support, the scaffold is arranged on the bailey beam, the scaffold is formed by splicing a plurality of support groups, one support group comprises a cross rod, a longitudinal rod, a vertical rod and a sweeping rod, adjacent rod bodies among the cross rod, the longitudinal rod, the sweeping rod or the vertical rod are vertically spliced, a chassis is detachably arranged below the support group, a plurality of through holes are formed in the chassis, the lower ends of the vertical rods are penetrated in the through holes, and the lower ends of the vertical rods are flush with the lower part of the chassis. According to the utility model, the bracket group is pre-erected before the assembly bracket is erected, and the erected bracket group is assembled on the bailey beam, so that the installation efficiency of the scaffold is greatly improved.

Description

Support for large-span cast-in-situ bridge construction

Technical Field

The utility model relates to the technical field of construction supports, in particular to a support for large-span cast-in-situ bridge construction.

Background

The bridge cast-in-situ construction is a construction process, is generally used for large and medium-sized bridges, and is inconvenient to transport, so that a bracket is erected at a bridge site of a construction site, bridge body concrete is poured on the bracket, and the template and the bracket are removed after the strength is reached;

the large-span cast-in-situ bridge support is formed by splicing a Bailey beam, a scaffold and a steel pipe support in a combined mode, the scaffold is arranged above the Bailey beam, and after the support is built, a casting template is built on the scaffold to perform casting construction.

Disclosure of Invention

The utility model provides a support for large-span cast-in-situ bridge construction, which aims to solve the problem that the installation operation of a large number of scaffolds is inconvenient.

In order to solve the problems, the utility model provides a large-span support for cast-in-place bridge construction, which comprises a bailey beam, a scaffold and a steel pipe support, wherein the steel pipe support is vertically arranged on the ground, the bailey beam is paved on the steel pipe support, the scaffold is arranged on the bailey beam, the scaffold is formed by splicing a plurality of support groups, one support group comprises a cross rod, a longitudinal rod, a vertical rod and a sweeping rod, adjacent rod bodies among the cross rod, the longitudinal rod, the sweeping rod or the vertical rod are vertically spliced, a chassis is detachably arranged below the support group, a plurality of through holes are formed in the chassis, the lower ends of the vertical rods are penetrated in the through holes, the lower ends of the vertical rods are flush with the lower parts of the chassis, limiting pipes are arranged on the through holes at four corners of the chassis, the limiting pipes are detachably spliced with the lower ends of the vertical rods, the bailey beam is provided with a mounting piece matched with the lower ends of the vertical rod, the lower ends of the vertical rod and the lifting appliance is detachably assembled with the mounting piece, and the lifting appliance is arranged at the center position above the chassis.

The further improvement is that: the chassis is formed by splicing a plurality of splice plates, each limiting pipe is arranged at the splicing position of the adjacent splice plates, and the adjacent splice plates are connected through bolt assembly.

The further improvement is that: the lifting appliance is in a rod shape and is arranged at the center of the chassis, and a lifting hole is formed in the upper end of the lifting appliance.

The further improvement is that: the lower extreme of pole setting with the inner wall adaptation of installed part, the inner wall of spacing pipe with the outer wall laminating of installed part, the upper end of spacing pipe with the lateral wall assembly connection of pole setting.

The further improvement is that: the limiting pipe is composed of two half pipes, two sides of each half pipe are respectively provided with a clamping block and a clamping buckle, and the clamping blocks are matched with the clamping buckles in a proper mode.

The further improvement is that: the outer side of installed part is equipped with the external screw thread, the outside below of pole setting slides and is equipped with the adapter sleeve, the inner wall of adapter sleeve with the outer wall screw thread assembly connection of installed part, be equipped with the backing ring on the pole setting lateral wall directly over the installed part, the backing ring sets up between adapter sleeve and the installed part upper end.

The beneficial effects of the utility model are as follows: this support for construction of cast-in-place bridge of large-span is through setting up the support and can set up in advance the support group earlier, form a plurality of subgroups, lift up each support group in proper order through hoist through hoisting accessory and steadily place on the bailey roof beam for pole setting lower extreme and the installed part block assembly on the support group, and then dismantle the chassis, and carry out fastening assembly operation between pole setting and the installed part, accessible independent pole setting, longitudinal rod, horizontal pole or sweep the ground pole assembly connection between the adjacent support group of assembled, through carrying out the concatenation operation in advance to the scaffold frame, effectively improved the dismouting efficiency to the scaffold frame, and then improved the efficiency of construction.

Drawings

FIG. 1 is a schematic view of a stent of the present utility model.

Fig. 2 is a schematic view of a stent set according to the present utility model.

Fig. 3 is a perspective view of the chassis and beret beam of the present utility model.

Fig. 4 is a perspective view of the utility model with the pole and spacing tube separated.

Wherein: 1. bailey beam; 2. a steel pipe bracket; 3. a scaffold; 4. a bracket group; 5. a cross bar; 6. a longitudinal bar; 7. a vertical rod; 8. a sweeping rod; 9. a chassis; 10. a through hole; 11. a limiting tube; 12. a mounting member; 13. a lifting appliance; 14. a bolt; 15. a clamping block; 16. a clamping buckle; 17. a fastening sleeve; 18. and a backing ring.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the figures 1, 2, 3 and 4, the embodiment provides a support for large-span cast-in-situ bridge construction, which comprises a bailey beam 1, a scaffold 3 and a steel pipe support 2, wherein the steel pipe support 2 is vertically arranged on the ground, the bailey beam 1 is paved on the steel pipe support 2, the scaffold 3 is arranged on the bailey beam 1, the scaffold 3 is formed by splicing a plurality of support groups 4, one support group 4 comprises a cross rod 5, a longitudinal rod 6, a vertical rod 7 and a sweeping rod 8, the cross rod 5, the longitudinal rod 6, the sweeping rod 8 or adjacent rod bodies between the vertical rods 7 are vertically spliced, a chassis 9 can be detachably arranged below the support group 4, a plurality of through holes 10 are arranged on the chassis 9, the lower ends of the vertical rods 7 are penetrated in the through holes 10, the lower ends of the vertical rods 7 are flush with the lower sides of the chassis 9, the through holes 10 at four corners of the chassis 9 are provided with limiting pipes 11, the limiting pipes 11 are detachably spliced with the lower ends of the vertical rods 7, the bailey beam 1 is provided with mounting pieces 12 which are matched with the lower ends of the vertical rods 7, the lower ends of the vertical rods 7 are detachably assembled with the mounting pieces 12, the center position above the chassis 9 is provided with a lifting appliance 13, the bracket groups 4 can be firstly built in advance before the bracket is built to form a plurality of subgroups, when the bracket is built, the vertical rods 7 are firstly built, the lower ends of the vertical rods 7 are inserted into the through holes 10 at corresponding positions, the lower ends of the vertical rods 7 at the four corners are assembled and connected with the limiting pipes 11 to ensure the stability of the whole bracket groups 4, the steel pipe brackets 2 and the bailey beam 1 are further built, after the building is completed, each bracket group 4 is sequentially lifted and stably placed on the bailey beam 1 through the lifting appliance 13 by a lifting device, make pole setting 7 lower extreme and installed part 12 block assembly on the support group 4, and then dismantle chassis 9 to carry out fastening assembly operation between pole setting 7 and the installed part 12, accessible independent pole setting 7, vertical pole 6, horizontal pole 5 or sweep the floor pole 8 assembly connection between the adjacent support group 4 that is assembled, through carrying out the concatenation operation in advance to scaffold frame 3, effectively improved the dismouting efficiency to scaffold frame 3, and then improved the efficiency of construction.

The chassis 9 is formed by splicing a plurality of splice plates, each limiting pipe 11 is arranged at the splicing position of the adjacent splice plates, the adjacent splice plates are assembled and connected through bolts 14, the chassis 9 is formed by a plurality of splice plates, after the bracket group 4 and the mounting piece 12 on the bailey beam 1 are assembled, the bolts 14 can be detached, and the splice plates are separated, so that the whole chassis 9 can be quickly detached, the limiting pipes 11 are arranged between the adjacent splice plates, and after the splice plates are separated, the automatic separation effect is realized between the limiting pipes 11 and the vertical rods 7, so that the chassis 9 can be detached more simply.

The lifting appliance 13 is in a rod shape and is arranged at the center position of the chassis 9, a lifting hole is formed in the upper end of the lifting appliance 13, and workers can conveniently and stably lift the whole bracket group 4 to transport through the lifting appliance 13 through the arranged lifting appliance 13.

The lower extreme of pole setting 7 with the inner wall adaptation of installed part 12, the inner wall of spacing pipe 11 with the outer wall laminating of installed part 12, the upper end of spacing pipe 11 with the lateral wall assembly connection of pole setting 7 is through the inner wall laminating of spacing pipe 11 with the outer wall laminating of installed part 12 for when installing support group 4, the accessible is directly inserted pole setting 7 lower extreme on the support group 4 and is established in installed part 12, guarantees preliminary spacing between installed part 12 and the pole setting 7.

The limiting pipe 11 is composed of two half pipes, two sides of each half pipe are respectively provided with a clamping block 15 and a clamping buckle 16, the clamping blocks 15 and the clamping buckles 16 are matched appropriately, after the vertical rod 7 is inserted into the limiting pipe 11, the clamping buckles 16 and the clamping blocks 15 on the other half pipe are matched appropriately, the fastening operation of the limiting pipe 11 can be completed, and the limiting operation of the vertical rod 7 arranged inside is realized.

The outside of installed part 12 is equipped with the external screw thread, the outside below of pole setting 7 slides and is equipped with the adapter sleeve 17, the inner wall of adapter sleeve 17 with the outer wall screw thread assembly connection of installed part 12, be equipped with the backing ring 18 on the pole setting 7 lateral wall directly over the installed part 12, the backing ring 18 sets up between adapter sleeve 17 and the installed part 12 upper end, inserts the pole setting 7 after dismantling spacing pipe 11 and chassis 9 in installed part 12, through rotating the adapter sleeve 17 on the pole setting 7 for adapter sleeve 17 can at the outer wall screw thread connection of installed part 12, until the inner wall top and the backing ring 18 in close contact of adapter sleeve 17.

The support for the large-span cast-in-situ bridge construction can be firstly erected on the support group 4 to form a plurality of groups before the support is erected, when the support is erected, the vertical rods 7 are firstly erected, the lower ends of the vertical rods 7 are inserted into the through holes 10 at corresponding positions, the lower ends of the vertical rods 7 positioned at four corners are assembled and connected with the limiting pipes 11 to ensure the stability of the whole support group 4, then the steel pipe support 2 and the bailey beam 1 are erected, after the erection is completed, each support group 4 is sequentially hoisted and stably placed on the bailey beam 1 through the hoisting device 13 by virtue of the hoisting device, the lower ends of the vertical rods 7 on the support groups 4 are assembled with the mounting pieces 12 in a clamping manner, then the chassis 9 is disassembled, the fastening assembly operation is carried out between the vertical rods 7 and the mounting pieces 12, the assembled adjacent support groups 4 can be assembled and connected through the independent vertical rods 7, the longitudinal rods 6, the cross rods 5 or the sweeping rods 8, and the scaffold 3 are effectively assembled and the scaffold 3 is further improved by the pre-splicing operation of the scaffold 3.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a support is used in construction of cast-in-place bridge of large-span, includes bailey beam (1), scaffold frame (3) and steel pipe support (2), steel pipe support (2) set up perpendicularly subaerial, bailey beam (1) are laid on steel pipe support (2), scaffold frame (3) set up on bailey beam (1), its characterized in that: scaffold frame (3) are formed by concatenation of a plurality of support group (4), one support group (4) include horizontal pole (5), vertical pole (6), pole setting (7) and sweep pole (8), perpendicular concatenation sets up between adjacent body of rod between horizontal pole (5), vertical pole (6), sweep pole (8) or pole setting (7), can dismantle in the below of support group (4) and be equipped with chassis (9), be equipped with a plurality of through-holes (10) on chassis (9), be used for wearing to establish the lower extreme of pole setting (7) in through-hole (10), the lower extreme of pole setting (7) with the below of chassis (9) flushes, be equipped with spacing pipe (11) on through-hole (10) of chassis (9) four corners department, spacing pipe (11) with the concatenation can be dismantled to the lower extreme of pole setting (7), be equipped with on bailey roof beam (1) with installed part (12) of pole setting (7) lower extreme adaptation, lower extreme with install position (13) on the center of hoist.

2. The bracket for construction of a large-span cast-in-situ bridge according to claim 1, wherein: the chassis (9) is formed by splicing a plurality of splice plates, each limiting pipe (11) is arranged at the splicing position of the adjacent splice plates, and the adjacent splice plates are connected in an assembling mode through bolts (14).

3. The bracket for construction of the large-span cast-in-situ bridge according to claim 2, wherein: the lifting appliance (13) is arranged in a rod shape at the center of the chassis (9), and a lifting hole is formed in the upper end of the lifting appliance (13).

4. The bracket for construction of the large-span cast-in-situ bridge according to claim 2, wherein: the lower extreme of pole setting (7) with the inner wall adaptation of installed part (12), the inner wall of spacing pipe (11) with the laminating of the outer wall of installed part (12), the upper end of spacing pipe (11) with the lateral wall assembly connection of pole setting (7).

5. The bracket for construction of the large-span cast-in-situ bridge according to claim 4, wherein: the limiting pipe (11) is composed of two half pipes, two sides of each half pipe are respectively provided with a clamping block (15) and a clamping buckle (16), and the clamping blocks (15) are matched with the clamping buckles (16) in a clamping mode.

6. The bracket for construction of the large-span cast-in-situ bridge according to claim 4, wherein: the outer side of installed part (12) is equipped with the external screw thread, the outside below of pole setting (7) slides and is equipped with adapter sleeve (17), the inner wall of adapter sleeve (17) with the outer wall screw thread assembly connection of installed part (12), be equipped with backing ring (18) on pole setting (7) lateral wall directly over installed part (12), backing ring (18) set up between adapter sleeve (17) and installed part (12) upper end.

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