CN220117206U

CN220117206U - Positioning and guiding device for lowering reinforcement cage

Info

Publication number: CN220117206U
Application number: CN202320983361.7U
Authority: CN
Inventors: 姚景议; 刘光杰; 孙圣; 杨雪冬; 陈忠旭; 于伯阳; 刘士杰
Original assignee: China Railway 19th Bureau Group Co Ltd; First Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: China Railway 19th Bureau Group Co Ltd; First Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-12-01
Anticipated expiration: 2033-04-27

Abstract

A positioning and guiding device for lowering a reinforcement cage relates to a positioning and guiding device for lowering the reinforcement cage. The steel reinforcement cage is designed mainly for solving the problem that a plurality of workers are required to conduct the steel reinforcement cage to be lowered by resultant force at present, and the labor capacity of the workers is increased. The rotary ring comprises an annular rail, a plurality of bases are arranged outside the annular rail, telescopic pieces are arranged on each base, a supporting plate is fixed between the extending end of each telescopic piece and the outer side wall of the annular rail, a rotary ring is arranged at the top of the annular rail, a plurality of universal wheels are arranged at the bottom of the rotary ring, the universal wheels are arranged in the annular rail, a circle of teeth are fixed on the outer side wall of the rotary ring, a motor is arranged at the top of one supporting plate, and gears on an output shaft of the motor are meshed with the teeth on the rotary ring. The top welding of swivel ring has a plurality of fixing base, all installs U-shaped bolt on every fixing base, twists on the U-shaped bolt and has the nut. The automatic steel reinforcement cage adjusting device has the advantages that workers are not required to manually adjust the positions of the steel reinforcement cages, and the labor capacity of the workers is reduced.

Description

Positioning and guiding device for lowering reinforcement cage

Technical Field

The utility model relates to the field of pile foundation construction, in particular to a positioning and guiding device for a reinforcement cage to be lowered.

Background

The stress of the reinforcement cage and the longitudinal reinforcement of the column is the same, and the reinforcement cage mainly plays a role in tensile strength, and the compressive strength of the concrete is high but the tensile strength is very low. The reinforcement cage can restrain pile body concrete, so that the pile body concrete can bear certain axial tension.

At present, in the construction process of an ultra-long pile foundation, the reinforcement cage is required to be manufactured in sections, heavy lifting equipment (a crane and a gantry crane) is adopted to carry out lengthening and lowering, after a single-section reinforcement cage is lowered in place, the reinforcement cage is required to be temporarily fixed, then a new reinforcement cage is lifted, and the new reinforcement cage is connected with a joint of the lifted reinforcement cage.

In the actual lifting process, the positions of the joints of the reinforcement cages cannot be accurately controlled by heavy lifting equipment, a plurality of workers are required to pull the reinforcement cages in resultant force, and the heights of the ends of the main bars of two adjacent reinforcement cages are different, so that the workers are required to rotate the reinforcement cages, and the joints of the two reinforcement cages are corresponding to each other so as to facilitate connection. The resultant force of a plurality of workers adjusts the positions of the reinforcement cages to guide the reinforcement cages to be lowered, so that the labor capacity of the workers is increased, and a certain danger exists.

Therefore, we propose a positioning and guiding device for lowering the reinforcement cage to solve the above problems.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a positioning and guiding device for lowering a reinforcement cage, which can reduce the labor capacity of workers, ensure the butt joint accuracy of the reinforcement cage and improve the lowering efficiency of the reinforcement cage.

The above object is achieved in that: the novel rotary rack comprises an annular rail, wherein a plurality of bases are arranged outside the annular rail, telescopic pieces are fixed on each base, a supporting plate is fixed between the extending end of each telescopic piece and the outer side wall of the annular rail, a rotary ring is arranged at the top of the annular rail, a plurality of universal wheels are arranged at the bottom of the rotary ring and are arranged on the rotary ring through shafts, the universal wheels are arranged in the annular rail, a circle of teeth are fixed on the outer side wall of the rotary ring, a motor is fixed at the top of one supporting plate, a gear is fixed on an output shaft of the motor, and the gear on the output shaft of the motor is meshed with the teeth on the rotary ring. The top welding of swivel ring has a plurality of fixing base, all installs U-shaped bolt on every fixing base, has screwed the nut on the screw thread of U-shaped bolt.

The telescopic piece can be any one of a jack, a cylinder and a hydraulic rod.

The utility model has the advantages that: the U-shaped bolt is used for fixing the main reinforcement of the upper reinforcement cage on the fixing seat, the driving motor drives the transmission teeth to enable the rotating ring and the upper reinforcement cage to rotate, and then the positions of the joints of the upper reinforcement cage are adjusted, so that the joints of the upper reinforcement cage and the lower reinforcement cage are corresponding, the positions of the reinforcement cages do not need to be manually adjusted by workers, the labor capacity of workers is reduced, the butt joint accuracy of the reinforcement cages is guaranteed, and the lowering efficiency of the reinforcement cages is improved.

The upper reinforcement cage is slowly lowered through heavy lifting equipment, and meanwhile, the telescopic piece is contracted, so that the support plate and the rotary ring are lowered simultaneously to position and guide the upper reinforcement cage, the lowering stability of the upper reinforcement cage is guaranteed, and the butt joint of the upper reinforcement cage and the lower reinforcement cage is further facilitated.

Through set up the universal wheel on the swivel ring, can reduce the friction between swivel ring and the annular track, make things convenient for the swivel ring to rotate. Under the action of gravity of the rotating ring, the universal wheel is continuously positioned in the annular track, so that the rotating ring is not required to be further limited, and the stability of the rotating ring in the rotating process can be ensured.

Drawings

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

FIG. 2 is a schematic perspective sectional structure of the present utility model;

fig. 3 is a schematic top view of the connection state of the upper reinforcement cage of the present utility model;

fig. 4 is a schematic view of a front sectional structure of the installation state of the present utility model.

Detailed Description

The utility model is further described below with reference to fig. 1-4;

the novel rotary rack comprises an annular track 1, a plurality of bases 2 are arranged outside the annular track, telescopic pieces 3 are fixed on each base, a supporting plate 4 is fixed between the extending end of each telescopic piece and the outer side wall of the annular track, a rotary ring 5 is arranged at the top of the annular track, a plurality of universal wheels 6 are arranged at the bottom of the rotary ring and are arranged on the rotary ring through shafts, the universal wheels are arranged in the annular track, a circle of teeth 7 are fixed on the outer side wall of the rotary ring, a motor 8 is fixed at the top of one supporting plate, a gear 9 is fixed on an output shaft of the motor, and the gear on the output shaft of the motor is meshed with the teeth on the rotary ring. The top of the rotating ring is welded with a plurality of fixing seats 10, each fixing seat is provided with a U-shaped bolt 11, and nuts are screwed on the threads of the U-shaped bolts.

The telescopic piece can be any one of a jack, a cylinder and a hydraulic rod.

When the device is specifically used, firstly, the lower reinforcement cage 12 is hoisted into the steel pile casing 13 and is temporarily fixed, the device is placed at the steel pile casing, U-shaped bolts and nuts on each supporting seat of the device are dismounted, then the heavy hoisting equipment is used for hoisting the upper reinforcement cage 14, and under the auxiliary action of workers, the upper reinforcement cage is hoisted into the rotating ring and the positions of the main reinforcements and the fixing seats are corresponding;

the main bars of the upper reinforcement cage are respectively fixed on the fixed seats through U-shaped bolts and nuts on the fixed seats, then the motor works to drive the gears to rotate, the gears are meshed with the transmission teeth, then under the action of the universal wheels, the rotating ring and the upper reinforcement cage are driven to rotate, and the positions of all joints of the upper reinforcement cage are adjusted, so that the joints of the upper reinforcement cage and the lower reinforcement cage correspond to each other, and the upper reinforcement cage and the lower reinforcement cage are conveniently butted;

and finally, slowly lowering the upper reinforcement cage by the heavy lifting equipment, simultaneously controlling the shrinkage of the telescopic piece, positioning and guiding the upper reinforcement cage, butting the joints of the upper reinforcement cage and the lower reinforcement cage, and connecting the upper reinforcement cage and the lower reinforcement cage.

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

Claims

1. Positioning and guiding device for lowering reinforcement cage is characterized by: including annular orbit (1), annular orbit's outside is equipped with a plurality of base (2), all be fixed with extensible member (3) on every base, be fixed with backup pad (4) between the extension end of every extensible member all and annular orbit's lateral wall, annular orbit's top is arranged in to rotatory ring (5), rotatory ring's bottom is equipped with a plurality of universal wheel (6), the universal wheel passes through the axle and installs on rotatory ring, the universal wheel is arranged in annular orbit, rotatory ring's lateral wall is fixed with round tooth (7), the top of one of them backup pad is fixed with motor (8), be fixed with gear (9) on the motor output shaft, gear and the tooth meshing on the rotatory ring, rotatory ring's top welding has a plurality of fixing base (10), install U-shaped bolt (11) on every fixing base.

2. A positioning and guiding device for lowering a reinforcement cage according to claim 1, wherein: the telescopic piece is any one of a jack, an air cylinder and a hydraulic rod.