The invention content is as follows:
in view of the above situation, the invention provides an efficient hoisting tool for a concrete pipeline, which can safely, conveniently and efficiently perform auxiliary hoisting and installation on a precast concrete pipeline, and solves the technical problems of large potential safety hazard, high damage rate, low installation efficiency, high installation cost and the like of the conventional hoisting method for the concrete pipeline.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a high-efficiency hoisting tool for a concrete pipeline, which comprises a hoisting steel wire rope, a steel wire rope fixing piece, a pin bolt rod, a steel hanging scaffold, an embedded part, a balance steel wire rope and a balance hook, wherein the steel wire rope fixing piece is fixedly connected with the steel hanging scaffold; the embedded parts are symmetrically arranged at the central positions of two sides of the precast concrete pipeline; one end of the pin bolt rod is inserted into the embedded part, and the other end of the pin bolt rod is fixedly connected with the steel hanging plate; a steel wire rope groove is arranged on the outer edge of the steel hanging disc; the steel wire rope fixing piece is fixedly connected with the steel hanging plate and fixes the hoisting steel wire rope on a steel wire rope groove of the steel hanging plate; one end of the hoisting steel wire rope is connected with the steel hoisting disc, and the other end of the hoisting steel wire rope is connected with a hoisting hook of the hoisting equipment; one end of the balance steel wire rope is connected with the balance hook, and the other end of the balance steel wire rope is connected with the lifting hook of the lifting equipment; the balance hook is clamped on the socket end of the precast concrete pipeline.
The length of the embedded part is determined by the wall thickness of the precast concrete pipeline, and the size of the embedded part is matched with the pin bolt rod; the embedded part is of a cylindrical structure and is formed by welding a steel pipe, a steel plate and reinforcing steel bars, the length of the steel pipe is determined by the wall thickness of the precast concrete pipeline, the size of the steel pipe is matched with that of the pin bolt rod, one end of the steel pipe is sealed by welding the steel plate, and the other end of the steel pipe is provided with the reinforcing steel bars; the embedded parts are arranged at the center positions of the two sides of the precast concrete pipeline and can slightly deviate from the socket end of the precast concrete pipeline.
The pin bolt rod is made of high-strength round steel solid materials, and one end of the pin bolt rod is connected with the steel hanging disc in a welding or threaded mode.
The steel hanging scaffold is made of profile steel, and the diameter of the steel hanging scaffold is set according to the minimum bending radius of a hoisting steel wire rope; the size of the steel wire rope groove on the steel hanging plate is matched with the hanging steel wire rope.
The center of the steel hanging scaffold is provided with a hole matched with the pin bolt rod, and the steel hanging scaffold is connected with the pin bolt rod through welding or screw threads.
The steel wire rope fixing pieces are connected with the steel hanging scaffold in a welding mode, and the steel hanging scaffold is symmetrically provided with 3 steel wire rope fixing pieces.
The balance hook is made of profile steel.
And a rubber protective pad is arranged at the contact position of the balance hook and the precast concrete pipeline.
The contact position of the balance hook and the precast concrete pipeline adopts a binding mode, and the net size in the hook of the balance hook is matched with the wall thickness of the precast concrete pipeline.
One end of the hoisting steel wire rope is fixed into a soft cable sleeve by a U-shaped clamp and then is connected with the steel hoisting disc, and the other end of the hoisting steel wire rope is fixed into a soft cable sleeve by a U-shaped clamp and then is connected with a hoisting equipment hook; one end of the balance steel wire rope is fixed into a lantern ring by a U-shaped clamp and then is connected with the balance hook, and the other end of the balance steel wire rope is fixed into a soft cable sleeve by the U-shaped clamp and then is connected with the lifting hook of the lifting equipment.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is processed in factories, has light weight, and is convenient and quick to mount and dismount during operation.
2. When the lifting and mounting device is used for lifting and mounting the precast concrete pipeline, the lifting and mounting in place can be completed only by simple assistance of a small amount of personnel, other machines are not required to be pushed in place, the whole process is simple, rapid and efficient to operate, extra machines and labor are not increased, and the construction cost is greatly reduced.
3. The lifting steel wire rope is a main stressed structure, the pin bolt rod connected with the precast concrete pipeline is stressed by the structure to reduce unhooking, safety risks are reduced, the stress of the position of the balance hook is extremely small, and the rubber protective pad is arranged, so that the abrasion and damage conditions of the precast concrete pipeline in the lifting and mounting processes can be greatly reduced.
4. The invention has wide application range, can be used for hoisting precast concrete pipelines with different diameter models and different lengths, and particularly has strong applicability to pipelines with larger diameters.
5. The invention is suitable for wide construction environment, can install the precast concrete pipeline in place by simple assistance of fewer personnel, is not limited by equipment operation conditions and operation space of more personnel, and is less influenced by construction environment conditions.
In conclusion, the lifting and mounting device for the precast concrete pipeline can ensure the lifting safety, reduce the abrasion and damage of the precast concrete pipeline in the lifting process, quickly lift and mount the precast concrete pipeline in place and reduce the mounting cost.
The specific implementation mode is as follows:
the present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.
Referring to fig. 1-4, the invention provides an efficient hoisting tool for a concrete pipeline, which comprises a hoisting steel wire rope 1, a steel wire rope fixing piece 3, a pin bolt rod 4, a steel hoisting disc 5, an embedded part 6, a balance steel wire rope 9 and a balance hook 10. The embedded parts 6 are symmetrically arranged at the central positions of two sides of the precast concrete pipeline 8 and can be slightly deviated to the socket end of the precast concrete pipeline 8, the length of the embedded parts 6 is determined by the wall thickness of the precast concrete pipeline 8, and the size of the embedded parts is matched with the pin bolt rod 4; the embedded part 6 is of a cylindrical structure and is formed by welding a steel pipe, a steel plate and reinforcing steel bars, the length of the steel pipe is determined by the wall thickness of the precast concrete pipeline 8, the steel pipe is matched with the pin bolt rod 4 in size, one end of the steel pipe is sealed by welding the steel plate, the reinforcing steel bars 7 are installed at the other end of the steel pipe, and the embedded part 6 is installed in place along with the reinforcing steel bars in the precast concrete pipeline 8. The pin bolt rod 4 is made of high-strength round steel solid materials, one end of the pin bolt rod is inserted into the embedded part 6, and the other end of the pin bolt rod is connected with the steel hanging disc 5 in a welding or screw thread mode. The steel hanging scaffold 5 is made of profile steel, the diameter of the steel hanging scaffold is set according to the minimum bending radius of the hoisting steel wire rope 1, a hole matched with the pin bolt rod 4 is formed in the center of the steel hanging scaffold 5 and is connected with the pin bolt rod 4 in a welding or screw thread mode, a steel wire rope groove 2 is formed in the outer edge of the steel hanging scaffold 5, and the size of the steel wire rope groove 2 is matched with the hoisting steel wire rope 1; the steel wire rope fixing pieces 3 are fixedly connected with the steel hanging plate 5 in a welding mode, after the hoisting steel wire rope 1 is installed, the hoisting steel wire rope 1 is fixed on the steel wire rope groove 2 of the steel hanging plate 5 through the steel wire rope fixing pieces 3, and the steel hanging plate 5 is symmetrically provided with the 3 steel wire rope fixing pieces 3. One end of the hoisting steel wire rope 1 is fixed into a soft cable sleeve by a U-shaped card and then is connected with the steel hoisting disc 5, and the other end of the hoisting steel wire rope is fixed into a soft cable sleeve by a U-shaped card and then is connected with a hoisting equipment hook. One end of the balance steel wire rope 9 is fixed into a lantern ring by a U-shaped card and then is connected with the balance hook 10, and the other end of the balance steel wire rope is fixed into a soft cable sleeve by the U-shaped card and then is connected with the lifting hook of the lifting equipment. The balance hook 10 is made of profile steel, the contact position of the balance hook 10 and the precast concrete pipeline 8 is bound, and a rubber protective pad with good elasticity is arranged at the contact position, so that the precast concrete pipeline 8 is prevented from being worn and damaged in the hoisting process; the net size in the hook of the balance hook 10 is matched with the wall thickness of the precast concrete pipeline 8, and the balance hook 10 is clamped on the socket end of the precast concrete pipeline 8.
When the hoisting tool is used for hoisting and installing the precast concrete pipeline 8, the pin bolt rod 4 of the hoisting tool is firstly inserted into the embedded part 6 on the precast concrete pipeline 8, the balance hook 10 is installed at the socket end of the precast concrete pipeline 8, and the other ends of the hoisting steel wire rope 1 and the balance steel wire rope 9 are both connected with the lifting hook of the hoisting equipment. After the hoisting to the installation position, the socket end of the precast concrete pipeline 8 is aligned to the socket end of the installed precast concrete pipeline 8 by the manual auxiliary hoisting equipment, the precast concrete pipeline 8 is adjusted and installed in place, and the next precast concrete pipeline 8 can be installed by disassembling the hoisting tool after the completion.