CN217870057U

CN217870057U - Bridge hanging basket construction structure

Info

Publication number: CN217870057U
Application number: CN202222039725.4U
Authority: CN
Inventors: 杨贵柏; 宋雪梅; 吴继全; 张川
Original assignee: China 19th Metallurgical Corp
Current assignee: China 19th Metallurgical Corp
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-22
Anticipated expiration: 2032-08-03

Abstract

The utility model belongs to the technical field of highway traffic construction equipment and specifically relates to a can effectively realize driving each lock rail spare and reach synchronous along orbital motion to effectively guarantee the bridge string basket construction structure of the shaping quality of external mold removal, including bridge pier stud and crossbeam, be provided with the bridge section between bridge pier stud and the crossbeam, the top surface of bridge section is provided with step-by-step advancing device and two piece at least bridge rails, all corresponds on the every bridge rail and is provided with string basket construction equipment, step-by-step advancing device slidable sets up on the bridge rail, and all string basket construction equipment all drive through step-by-step advancing device. The utility model is particularly suitable for a bridge construction field.

Description

Bridge hanging basket construction structure

Technical Field

The utility model belongs to the technical field of highway traffic construction equipment and specifically relates to a bridge hangs basket construction structures.

Background

In bridge hanging basket construction, a plurality of jacks are usually installed on each walking track, the external molds of the bridge hanging basket system are led to move, and when the walking of the jacks in each group is inconsistent, the moving forming quality of the external molds is influenced. And the scheme that the internal mold mounting and pushing device leads each internal mold of the bridge hanging basket system to move has higher cost and complicated working procedures. And the chain block for the bridge hanging basket has low lifting efficiency. This method has plagued construction units.

The utility model discloses a traveling system for construction of a corrugated steel web bridge hanging basket, which is disclosed by a utility model CNCN216586214U, and comprises a hanging basket body and a plurality of tracks arranged on the bridge body, wherein a truss is arranged at the bottom of the hanging basket body, a front support and a rear support are arranged on the truss, and the front support and the rear support are slidably connected with the tracks; the rail locking piece is connected to the rail in a sliding mode; the driving mechanism comprises a driving beam and a driving unit, the driving beam is connected with each rail locking piece, and the driving unit can drive each rail locking piece to synchronously move along the track; the jacking devices are arranged between the rail locking piece and the front support, the hydraulic devices are connected with the jacking devices, and the jacking devices can receive the drive of the hydraulic devices to work synchronously. The utility model provides a traveling system mutually supports through lock rail spare, actuating mechanism and hydraulic means, can realize that the continuity drive hangs the basket and walks until reaching suitable position, so can reduce constructor's work load, promotes work efficiency. The driving unit drives each rail locking piece to move along the rail, so that the synchronization difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can effectively realize that each lock rail spare of drive reaches in step along orbital motion to effectively guarantee the bridge of the shaping quality of external mold removal and hang basket construction structures.

The utility model provides a technical scheme that its technical problem adopted is: bridge string basket construction structures, including bridge pier column and crossbeam, be provided with the bridge section between bridge pier column and the crossbeam, the top surface of bridge section is provided with step-by-step advancing device and two piece at least bridge rails, all corresponds on the every bridge rail to be provided with string basket construction device, step-by-step advancing device slidable sets up on the bridge rail, and all string basket construction device all drive through step-by-step advancing device.

Further, the bridge rail is arranged on a bridge face at the top of the bridge section.

Further, the stepping propulsion device is a stepping jack.

Further, the backseat of the stepping jack is connected with the bridge rail.

Further, the hanging basket construction device comprises an outer formwork which is connected with the outer mold sliding beam.

Furthermore, the hanging basket construction device comprises a rear cross beam hanger rod, one end of the rear cross beam hanger rod is connected with the rear end working platform, and the other end of the rear cross beam hanger rod is connected with the lifting device.

Furthermore, the lifting device and the joint of the lifting device and the rear cross beam hanger rod are provided with limit clamps.

Further, the cradle construction device comprises a hanging beam, and the hanging beam is connected with the front lower cross beam and the rear lower cross beam respectively.

The beneficial effects of the utility model are that: the problem of the quality that conventional bridge hangs basket construction and installed a plurality of jacks on every walking track usually and walk when inconsistent is solved to this scheme to and the higher problem of centre form installation pusher jack cost that leads to from this. On the basis, accurate lifting and mold moving of the bridge hanging basket can be realized through a corresponding driving device. The scheme is applied to the field of bridge construction, and can achieve the purposes of simple and convenient construction operation, high quality, short construction period, low cost and high safety. The utility model discloses be particularly useful for bridge construction field.

Drawings

Fig. 1 is an elevation view of the bridge structure of the present invention.

Fig. 2 is the elevation of the utility model discloses a bridge hanging basket construction.

Fig. 3 is the section view of the utility model discloses a bridge cradle construction.

Labeled as: the device comprises a crossbeam 1, a stepping jack 2, a rear anchor 3, a rear seat 4, an outer mold sliding beam 5, a rear end working platform 6, a hanging beam 7, an outer template 8, a front tensioning platform 9, a bridge section 10, a front lower crossbeam 11, an inner template 12, a rear lower crossbeam 13, a rear suspender 14, a rear crossbeam suspender 15, a pier column 16, a buried pipe 17, a construction greenhouse 18, a lifting device 19, a limiting clamp 20, a bridge surface 21 and a bridge rail 22.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The bridge hanging basket construction structure shown in fig. 1, fig. 2 and fig. 3 comprises a bridge pier column 16 and a cross beam 1, a bridge section 10 is arranged between the bridge pier column 16 and the cross beam 1, the top surface of the bridge section 10 is provided with a stepping propulsion device and at least two bridge rails 22, a hanging basket construction device is correspondingly arranged on each bridge rail 22, the stepping propulsion device is slidably arranged on the bridge rails 22, and all the hanging basket construction devices are driven by the stepping propulsion device. In practical use, the cradle construction devices of the bridge rail 22 are driven by the stepping propulsion devices, so that the problem that in the traditional scheme, due to inconsistent driving of a plurality of travelling mechanisms, the progress of each cradle construction device is deviated, and the forming quality of each external mold moving is influenced is solved.

In terms of specific arrangement, in order to facilitate the driving propulsion of the stepping propulsion device, it is preferable that the bridge track 22 is provided on the bridge face 21 at the top of the bridge section 10. Generally, it is preferred that the step-by-step propulsion means is a step-by-step jack 2. In order to stabilize the stepping jack 2 during actual propulsion and prevent falling, the rear seat 4 of the stepping jack 2 is preferably connected to the bridge rail 22. The additionally arranged construction greenhouse 18 can ensure that the construction can be normally carried out in rainy, snowy and high-temperature weather.

As for a specific cradle construction device, it is preferable that the cradle construction device includes an outer mold runner 5 and an outer mold plate 8 connected to the outer mold runner 5 in order to facilitate the corresponding construction operation. The preferable hanging basket construction device comprises a rear cross beam hanger rod 15, one end of the rear cross beam hanger rod 15 is connected with the rear end working platform 6, and the other end of the rear cross beam hanger rod 15 is connected with a lifting device 19. Preferably, a limiting clamp 20 is arranged at the joint of the lifting device 19 and the rear cross beam hanger rod 15, so that the descending height of the bridge hanging basket is within a controllable range. The preferable hanging basket construction device comprises a hanging beam 7, and the hanging beam 7 is connected with a front lower cross beam 11 and a rear lower cross beam 13 respectively.

In actual construction, the operation steps are as follows: 1. firstly, completing the construction of pier columns 16, and constructing a first bridge unit, namely a bridge section 10, between a cross beam 1 and the pier columns 16; 2. arranging stepping jacks 2 on the top surface of the cross beam 1 close to the two side edges, wherein a rear seat 4 of each stepping jack is reliably connected with a bridge rail 22, and the bridge rail is fixed on a constructed bridge surface 21; 3. the outer formwork 8 and the outer formwork sliding beam 5 of the hanging basket construction device are firmly connected, and the rear cross beam hanger rod 15 and the rear cross beam at the top of the rear cross beam hanger rod 15 are firmly connected. The jack group on the hanging beam 7 controls the elevation of the front lower beam 11 and the rear lower beam 13 and also controls the elevation of the inner formworks 12. The rear suspension rod 14 is reliably connected with the rear lower cross beam 13; 4. the top of the inner template 12 is provided with a buried pipe 17, the front tensioning platform 9 is used for tensioning the reinforcing steel bar bundles, and after the working procedure in the bridge concrete is completed, the bridge section 10 is poured with concrete; 5. after the concrete pouring reaches a specified state, loosening the rear anchor 3, loosening the suspender of the buried pipe 17, adjusting the lifting device 19 to enable the bridge hanging basket to be in a demoulding state, and controlling the descending height of the bridge hanging basket by the limiting clamp 20; and starting the stepping jack 2 to push the whole basket system to move to the next construction section. And repeating the construction to complete the construction of the whole bridge section.

Claims

1. Bridge string basket construction structures, including pier stud (16) and crossbeam (1), be provided with bridge section (10), its characterized in that between pier stud (16) and crossbeam (1): the top surface of bridge section (10) is provided with step-by-step advancing device and two piece at least bridging tracks (22), all corresponds on every bridging track (22) and is provided with a string basket construction device, step-by-step advancing device slidable sets up on bridging track (22), and all string basket construction devices all drive through step-by-step advancing device.

2. The bridge hanging basket construction structure of claim 1, wherein: the bridge rail (22) is arranged on a bridge face (21) at the top of the bridge section (10).

3. The bridge hanging basket construction structure according to claim 1 or 2, characterized in that: the stepping propulsion device is a stepping jack (2).

4. The bridge hanging basket construction structure according to claim 3, wherein: the backseat (4) of the stepping jack (2) is connected with the bridge rail (22).

5. The bridge hanging basket construction structure according to claim 1 or 2, characterized in that: the hanging basket construction device comprises an outer mold sliding beam (5) and an outer template (8) connected with the outer mold sliding beam (5).

6. The bridge hanging basket construction structure according to claim 1 or 2, characterized in that: the cradle construction device comprises a rear cross beam hanger rod (15), one end of the rear cross beam hanger rod (15) is connected with the rear end working platform (6), and the other end of the rear cross beam hanger rod (15) is connected with a lifting device (19).

7. The bridge hanging basket construction structure of claim 6, wherein: and a limiting clamp (20) is arranged at the joint of the lifting device (19) and the rear cross beam hanger rod (15).

8. The bridge hanging basket construction structure of claim 6, wherein: the hanging basket construction device comprises a hanging beam (7), wherein the hanging beam (7) is connected with a front lower cross beam (11) and a rear lower cross beam (13) respectively.