CN215052158U

CN215052158U - Novel trolley and fixing device for mounting and dismounting bridge wet joint concrete formwork

Info

Publication number: CN215052158U
Application number: CN202120581305.1U
Authority: CN
Inventors: 李鹏飞; 李海超
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-12-07
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a novel platform truck and fixing are torn open to wet seam concrete form ann of bridge device, including concrete box girder and hoisting device, the bottom laminating of concrete box girder lower extreme pterygoid lamina is provided with the fixed die plate, the back of the body rib that the lower extreme fixedly connected with of fixed die plate is the cuboid structure supports wood, the back of the body rib supports wood lower extreme and is provided with the steel gasket piece, the upper end of steel gasket piece is connected with the finish rolling screw-thread steel jib that is vertical state. This novel platform truck and fixing device are torn open to wet seam concrete form ann of bridge, overall structure is light and handy, and production efficiency is high, labour saving and time saving, effectively reduces wet seam construction formwork erection quality problem, and dismouting efficiency is higher, and the template seam is tighter, and wet seam concrete levels closely knit of quality, and process operation is simple, has strengthened wet seam construction formwork erection quality to the platform truck can remove by oneself, need not with the help of mechanical movement, has improved the efficiency of construction, has practiced thrift construction cost.

Description

Novel trolley and fixing device for mounting and dismounting bridge wet joint concrete formwork

Technical Field

The utility model discloses the relevant technical field of bridge construction specifically is a novel platform truck and fixed are torn open to wet seam concrete form ann of bridge device.

Background

At present, in the construction process of building a bridge, a prestressed concrete beam body is usually prefabricated in blocks, cantilevers are assembled into a large-span continuous beam, the beam bodies are usually connected into a whole by adopting cast-in-place concrete, and then the beam bodies are subjected to wet connection;

referring to a Chinese patent publication No. CN211922305U, publication No. 2020, 11 and 13, discloses a simple device for fixing a wet joint pouring concrete template of a simply supported T beam of a bridge, and the patent discloses a simple device for fixing the wet joint pouring concrete template of the simply supported T beam of the bridge, wherein a first fastening bracket and a second fastening bracket are arranged, a split screw is arranged in a penetrating way, and a reinforcing nut is arranged to fasten the template, so that the construction efficiency is greatly improved, and meanwhile, the personnel and resource investment is reduced, thereby saving the cost, reducing the unnecessary waste and simultaneously being more convenient when the template is disassembled;

however, the formwork is fixed and installed when the wet joint formwork is installed in the using process of the concrete pouring formwork in the patent, the formwork is installed and disassembled manually, the mode is poor in flatness of the formwork installation, the square timber is prone to slipping in the concrete pouring process, quality problems such as slab staggering and slurry leakage are caused after the formwork is disassembled, and the large potential safety hazard exists in the installation and disassembly of the formwork.

Therefore, a novel trolley and a fixing device for mounting and dismounting a wet joint concrete formwork of a bridge are provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel platform truck and fixing device are torn open to wet seam concrete form ann of bridge, with the reference chinese patent that proposes in solving above-mentioned background art grant publication number CN211922305U,

grant publication day

2020, 11, 13 days, disclose a be used for wet seam concreting template of bridge simple T roof beam fixed simple and easy device, this patent is through setting up first fastening support and second fastening support, through wearing to establish the split screw, and install the reinforcement nut and fasten the template, make the efficiency of construction obtain great improvement, reduce personnel and resource input simultaneously, thereby practice thrift the cost, reduce unnecessary waste, and simultaneously, it is also more convenient when the template is demolishd, however, this patent is fixed when wet-joint template installation in the use and the installation adopts artifical template of tearing open, this mode not only template mounting roughness is poor, concrete placement in-process square wood is easy to be slipped, The quality problems of slab staggering, slurry leakage and the like occur after the formwork is disassembled, and the problem of larger potential safety hazard exists in the installation and disassembly of the formwork.

In order to achieve the above object, the utility model provides a following technical scheme: a novel mounting and dismounting trolley and a fixing device for a wet joint concrete formwork of a bridge comprise a concrete box girder and a lifting device, wherein a fixed formwork is attached to the bottom of a wing plate at the lower end of the concrete box girder, and the lower end of the fixed formwork is fixedly connected with a back rib support wood in a cuboid structure;

the lower end of the back rib support wood is provided with a steel gasket, and the upper end of the steel gasket is connected with a finish rolling deformed steel bar suspender in a vertical state;

the upper end of the concrete box girder is provided with a main body frame which moves left and right through a fixed caster, the middle part of the main body frame is provided with an operating platform, and the lifting device is arranged at the rear end of the operating platform;

the lifting device comprises a pulley, a steel wire rope, a winch and a lifting hook.

Preferably, the single bodies of the back rib support wood are uniformly arranged at the lower end of the fixed template.

Preferably, the outside cover of finish rolling deformed steel bar jib upper end is equipped with the nut, the upper end of finish rolling deformed steel bar jib is connected with fixed rod spare, fixed rod spare is "U" font structure, the middle part of fixed rod spare is connected with finish rolling deformed steel bar jib through butterfly fastener.

Preferably, the fixed rod piece and the steel gasket are arranged in the middle of the fixed template at equal intervals, and the middle of the fixed rod piece is in through connection with a finish rolling deformed steel bar suspender.

Preferably, the fixed rod piece and the finish rolling deformed steel bar suspender are connected through a butterfly fastener, a nut is arranged at the upper end of the butterfly fastener, the butterfly fastener and the nut are arranged in a laminating mode, and the nut fixes the butterfly fastener at the upper end of the fixed rod piece.

Preferably, the hoist engine is installed at the rear end of operation platform, the last winding of hoist engine has wire rope, wire rope's front end is connected with the lifting hook through the pulley, pulley fixed connection is in the middle part of main body frame upper end inside wall.

Preferably, the bottom of the operation platform is provided with a support beam, and an anti-skid steel plate is laid at the upper end of the support beam.

Preferably, the support beam is connected with the main body frame in a welding mode, and the lower end of the main body frame is provided with a fixed caster.

Compared with the prior art, the beneficial effects of the utility model are that: the novel mounting and dismounting trolley and the fixing device for the wet joint concrete formwork of the bridge have the advantages that the overall structure is light, the production efficiency is high, time and labor are saved, the mounting quality problem of the wet joint construction formwork is effectively reduced, the mounting and dismounting efficiency is higher, the formwork joint is tighter, the leveling and compacting quality of the wet joint concrete is good, the process operation is simple, the mounting quality of the wet joint construction formwork is enhanced, the trolley can move automatically, the mechanical movement is not needed, the construction efficiency is improved, and the construction cost is saved;

1. the fixed template is attached to the lower end of the concrete box girder, and meanwhile, the stress on the fixed template is more uniform, so that the practicability and the service life of the device are improved, and better flatness is achieved in the pouring process;

2. the device is provided with a fixed rod piece, a finish rolling deformed steel bar hanging rod and a butterfly fastener, wherein the middle part of the fixed rod piece is connected with the upper end of the finish rolling deformed steel bar hanging rod through the butterfly fastener, and then the fixed rod piece and the finish rolling deformed steel bar hanging rod are pressed on the upper end of the butterfly fastener through nuts to further play a role in fixing, so that the fixed rod piece is fixed at the upper end of a concrete box girder, a fixed template is tightly limited at the lower end of the concrete box girder, the loosening of the fixed template is avoided, the quality problems of slab staggering, slurry leakage and the like after the template removal are avoided, the dismounting efficiency is higher, the process operation is simple, and the mounting quality of a wet joint construction template is enhanced;

3. be equipped with truckle, main body frame and hoisting device, drive main body frame through the truckle and remove on concrete box girder, install the hoist engine on the operation platform at main body frame middle part, drive wire rope through the hoist engine and zoom, hang fixed die plate and other required articles on the lifting hook, need not with the help of mechanical movement, improved the efficiency of construction, practiced thrift construction cost.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is the utility model discloses fixed member, finish rolling screw-thread steel jib and fixed die plate are connected and are looked sideways at spatial structure schematic.

In the figure: 1. a concrete box girder; 2. fixing the template; 3. back rib support wood; 4. a steel gasket; 5. fixing the rod piece; 6. finish rolling the deformed steel bar suspender; 7. a butterfly fastener; 8. fixing a caster; 9. a main body frame; 10. a pulley; 11. a wire rope; 12. a winch; 13. an operating platform; 14. a hook; 15. a nut; 16. a support beam; 17. and (3) a steel plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel trolley and a fixing device for mounting and dismounting a wet joint concrete formwork of a bridge comprise a concrete box girder 1, a fixing formwork 2 and a lifting device.

When the novel bridge wet joint concrete formwork mounting and dismounting trolley and fixing device are used, firstly, the lower end of a main body frame 9 is provided with a fixed caster 8, the main body frame 9 moves on a concrete box girder 1 through the fixed caster 8, when the main body frame 9 moves to a proper position, the fixed caster 8 is limited to prevent the main body frame 9 from moving in the using process, the middle part of the main body frame 9 is provided with an operating platform 13, meanwhile, the bottom of the operating platform 13 is provided with a supporting beam 16, the operating platform 13 is fixedly mounted through the supporting beam 16, the supporting beam 16 is connected with the main body frame 9 in a welding mode, an anti-skid steel plate 17 is laid above the supporting beam 16, when corresponding operation is carried out on the operating platform 13, skid is avoided, and the safety of the device is improved;

a lifting device is arranged at the rear end of an operation platform 13 and comprises a pulley 10, a steel wire rope 11, a winch 12 and a lifting hook 14, the winch 12 is arranged on the operation platform 13 in the middle of a main body frame 9, the steel wire rope 11 is wound on the winch 12, the winch 12 drives the steel wire rope 11 to zoom, a fixed template 2 and other required objects are hung on the lifting hook 14, the winch 12 drives the steel wire rope 11 to move, the front end of the steel wire rope 11 is connected with the lifting hook 14 through the pulley 10, the steel wire rope 11 drives the objects on the lifting hook 14 to ascend, the pulley 10 is fixedly connected to the middle of the inner side wall of the upper end of the main body frame 9, mechanical movement is not needed, construction efficiency is improved, and construction cost is saved;

the hook 14 drives the fixed template 2 to move, when the fixed template 2 rises to the bottom end of the concrete box girder 1 and is jointed with the concrete box girder 1, the upper end of the steel gasket 4 is connected with a finish rolling deformed steel bar suspender 6 in a vertical state, the middle part of the fixed rod 5 is connected with the finish rolling deformed steel bar suspender 6 through a butterfly fastener 7, the fixed rod 5 is placed at a corresponding position at the upper end of the concrete box girder 1, the fixed rod 5 is in a U-shaped structure, the fixed rod 5 is connected with the finish rolling deformed steel bar suspender 6 through the butterfly fastener 7, a nut 15 is sleeved outside the upper end of the finish rolling deformed steel bar suspender 6, the butterfly fastener 7 is jointed with the nut 15 by turning to the nut 15, the butterfly fastener 7 is fixed at the upper end of the fixed rod 5, the fixed rod 5 and the finish rolling deformed steel bar suspender 6 are further fixed, so that the fixed rod 5 is fixed at the upper end of the concrete box girder 1, the fixed rod piece 5 and the steel gasket 4 are arranged in the middle of the fixed template 2 at equal intervals, the finish rolling deformed steel bar suspender 6 is connected to the middle of the fixed rod piece 5 in a penetrating manner through the arrangement of the fixed rod piece 5 and the finish rolling deformed steel bar suspender 6, and the fixed template 2 is tightly attached to the lower end of the concrete box girder 1 through the finish rolling deformed steel bar suspender 6, so that the fixed template 2 is prevented from being loosened, the installation is convenient and fast, and quality problems such as slab staggering, slurry leakage and the like after the template is disassembled are prevented;

in addition, the monomer of back of the body rib support wood 3 evenly arranges at the lower extreme of fixed die plate 2, through the setting of back of the body rib support wood 3, can be fine drag fixed die plate 2 for 2 holistic atress of fixed die plate are more even, thereby pour the in-process limited roughness of having guaranteed, this is the whole process that trolley and fixing device used is installed and torn open to novel wet seam concrete form of bridge.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel mounting and dismounting trolley and a fixing device for a wet joint concrete formwork of a bridge comprise a concrete box girder and a lifting device, wherein a fixed formwork is attached to the bottom of a wing plate at the lower end of the concrete box girder, and the lower end of the fixed formwork is fixedly connected with a back rib support wood in a cuboid structure;

2. The novel trolley and fixing device for installing and detaching the wet joint concrete formwork of the bridge as claimed in claim 1, wherein: the single bodies of the back rib support wood are uniformly arranged at the lower end of the fixed template.

3. The novel trolley and fixing device for installing and detaching the wet joint concrete formwork of the bridge as claimed in claim 1, wherein: the outside cover of finish rolling deformed steel bar jib upper end is equipped with the nut, the upper end of finish rolling deformed steel bar jib is connected with fixed rod spare, fixed rod spare is "U" font structure, fixed rod spare's middle part is connected with finish rolling deformed steel bar jib through butterfly fastener.

4. The novel trolley and fixing device for installing and detaching the wet joint concrete formwork of the bridge as claimed in claim 3, wherein: the fixed rod piece and the steel gasket are arranged in the middle of the fixed template at equal intervals, and the middle of the fixed rod piece is in through connection with a finish rolling threaded steel suspender.

5. The novel trolley and fixing device for installing and detaching the wet joint concrete formwork of the bridge as claimed in claim 4, wherein: the fixed rod piece and the finish rolling deformed steel bar suspender are connected through a butterfly fastener, a nut is arranged at the upper end of the butterfly fastener, the butterfly fastener and the nut are in a laminating arrangement, and the nut fixes the butterfly fastener at the upper end of the fixed rod piece.

6. The novel trolley and fixing device for installing and detaching the wet joint concrete formwork of the bridge as claimed in claim 1, wherein: the hoist engine is installed in operation platform's rear end, the winding has wire rope on the hoist engine, wire rope's front end is connected with the lifting hook through the pulley, pulley fixed connection is in the middle part of main body frame upper end inside wall.

7. The novel trolley and fixing device for installing and detaching the wet joint concrete formwork of the bridge as claimed in claim 6, wherein: a supporting beam is arranged at the bottom of the operating platform, and an anti-skid steel plate is laid at the upper end of the supporting beam.

8. The novel trolley and fixing device for installing and detaching the wet joint concrete formwork of the bridge as claimed in claim 7, wherein: the supporting beam is connected with the main body frame in a welding mode, and the lower end of the main body frame is provided with a fixed caster.