CN219620751U - Construction lifting appliance - Google Patents

Abstract

The utility model provides a construction sling, which belongs to the technical field of overhead line maintenance. The construction sling includes: a pulley assembly, a suspension rope and a driving device; the sling not only changes the The direction of the force is also used to offset part of the pulling force by the gravity of the driving device, changing the greater gravity of the electrical equipment into a smaller pulling force on the pulley assembly, and replacing the manual labor with electrical energy and mechanical energy, without the need to frequently switch ropes, reducing the number of operators. The labor intensity is reduced, the work efficiency of the operators is improved, and the construction time is shortened. The spreader improves the working efficiency of the operators, shortens the construction time, reduces the power outage time, and improves the power acquisition sense of the resident users. The spreader is suitable for hoisting equipment for overhead line construction, inspection and repair, and has a wide range of applications and strong practicability.

Description

a construction spreader

technical field

The utility model belongs to the technical field of maintenance of overhead lines, in particular to a construction spreader.

Background technique

Power lines are lines used to transmit electric energy between power plants, substations and power users. They are an important part of the power supply system and are responsible for the task of transmitting and distributing electric energy. The quality of line operation is directly related to the reliability of power supply to users. In order to improve the reliability of power supply to users, the power lines are generally repaired, maintained or upgraded on a regular basis.

At present, in the overhead lines of 35kV and below, the construction team generally adopts a purely manual construction method for hoisting on the tower. Operators need to carry a sling to climb to the top of the tower, first tie one end of the sling to the cross arm, then use the sling to hoist the equipment from the ground to the top of the tower, and finally install it. Before installing equipment with different phase sequences, the ropes need to be switched frequently, resulting in high labor intensity and high physical consumption for high-altitude operations.

Utility model content

In order to solve the problems in the above prior art that the ropes need to be frequently switched before installing equipment with different phase sequences, resulting in high labor intensity and high physical energy consumption for high-altitude operations, the utility model provides a construction spreader. By installing the pulley assembly On the cross-arm of the pole tower, the greater gravity of the electrical equipment is changed into a smaller pulling force on the pulley assembly, and the human labor is replaced by electric energy and mechanical energy. There is no need to change the rope frequently, which reduces the labor intensity of the operators and improves the operation efficiency. The work efficiency of personnel is improved, and the construction time is shortened. Its specific technical plan is:

A construction spreader, the construction spreader includes: a pulley assembly, a suspension rope and a driving device; the pulley assembly is detachably connected to the cross arm; the suspension rope goes around the pulley assembly, and the first end of the suspension rope is detachable from the equipment to be hoisted Connection; the driving device is arranged on the ground, the driving device is connected with the second end of the suspension rope, and the driving device is used for coiling the suspension rope.

In addition, a construction spreader in the above technical solution provided by the utility model can also have the following additional technical features:

Optionally, the construction spreader further includes: a base assembly; the base assembly is arranged below the driving device, and the base assembly is used to move the driving device.

Optionally, the construction spreader further includes: counterweights; the counterweights are detachably arranged on the base assembly.

Optionally, the base assembly includes: a mounting frame, a moving wheel and a brake wheel; the moving wheel is evenly arranged on the mounting frame; at least one brake wheel is arranged on the mounting frame, and the braking wheel is used to fix the mounting frame.

Optionally, the moving wheel is a directional wheel; the brake wheel is a universal wheel.

Optionally, the construction spreader also includes: a handle; the handle is arranged on the installation frame.

Optionally, the pulley assembly includes: a first hook and a fixed pulley; the first hook is detachably connected to the cross arm; the fixed pulley is rotatably connected to the first hook, and the suspension rope passes over the fixed pulley, and the fixed pulley Used to support the sling.

Optionally, a mounting hole is provided on the cross arm, and the first hook passes through the mounting hole.

Optionally, the driving device includes: a winch and a power supply; the winch is used to coil the suspension rope; the power supply is used to supply power to the winch.

Optionally, the lifting rope includes: a wire rope and a second hook; the second hook is connected to the wire rope, and the second hook is used to connect to the equipment to be lifted.

Compared with the prior art, a construction hanger of the present utility model has the following beneficial effects:

By installing the pulley assembly on the cross arm of the tower, the spreader not only changes the direction of the force, but also uses the gravity of the driving device to offset part of the pulling force, so that the greater gravity of the electrical equipment becomes a smaller pulling force on the pulley assembly. Electric energy and mechanical energy replace human labor, without frequent switching of ropes, which reduces the labor intensity of operators, improves the work efficiency of operators, and shortens the construction time.

The spreader improves the working efficiency of the operators, shortens the construction time, reduces the power outage time, and improves the power acquisition sense of the resident users.

The spreader is suitable for hoisting equipment for overhead line construction, inspection and repair, and has a wide range of applications and strong practicability.

Description of drawings

Fig. 1 is the structural representation of a kind of construction spreader of an embodiment of the utility model;

Fig. 2 is a front view of a base assembly of a construction spreader according to an embodiment of the present invention;

Fig. 3 is a top view of a base assembly of a construction spreader according to an embodiment of the present invention;

Fig. 4 is a side view of a base assembly of a construction spreader according to an embodiment of the present invention;

Wherein, the corresponding relationship between the reference numerals and the part names in Fig. 1 to Fig. 4 is:

10. Cross arm; 11. Pulley assembly; 111. First hook; 112. Fixed pulley; 12. Hanging rope; 121. Steel wire rope; 122. Second hook; 13. Driving device; 131. Winch; 132. Power supply ; 14, base assembly; 141, mounting frame; 142, moving wheel; 143, brake wheel; 15, counterweight block; 16, handle.

Detailed ways

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it cannot be understood as a limitation of the present utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this application, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited. , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

Referring to Figures 1 to 4, according to an embodiment of the present application, a construction spreader includes: a pulley assembly 11, a suspension rope 12 and a driving device 13; the pulley assembly 11 is detachably connected to the cross arm 10; the sling 12 bypasses the pulley assembly 11, and the first end of the sling 12 is detachably connected to the equipment to be hoisted; the driving device 13 is arranged on the ground, and the driving device 13 is connected with the second end of the sling 12 to drive The device 13 is used to coil the suspension rope 12 . The whole driving device 13 is placed on the ground, one end of the suspension rope 12 is fixed on the driving device 13, and the other end is supported by the pulley assembly 11 on the cross arm 10, and is connected with the equipment to be hoisted. Stretch and unwind to complete the lifting of electrical equipment. Not only the direction of the force is changed, but also the gravity of the driving device 13 is used to offset part of the pulling force, so that the greater gravity of the electrical equipment is changed into a smaller pulling force on the pulley assembly 11, without frequent switching of the ropes, which saves a lot of manpower and reduces the workload of operators. Reduce labor intensity, improve the working efficiency of operators, shorten the construction time, ensure timely power supply of the grid, and improve the reliability of power supply.

When in use, operators need to transport the spreader to the construction site before construction. The driving device 13 is placed on the ground so that the construction spreader is firm and stable. The high-altitude worker carries the pulley assembly 11 and the suspension rope 12 to climb the pole tower, and the ground operator controls the driving device 13, and the high-altitude worker climbs and spreads the suspension rope 12 until the high-altitude worker reaches the working height. Install the pulley assembly 11 on the cross arm 10 of the pole tower, and the workers at heights will tie the equipment that needs to be replaced with a rope and hang it on the hook. lifting.

As an embodiment, the base assembly 14 is disposed under the driving device 13 , and the base assembly 14 is used to move the driving device 13 . By setting the base assembly 14 to support the driving device 13, the counterweight can be increased at the same time to share part of the tension required for hoisting and prevent the driving device 13 from breaking off the ground, so as to improve the stability of the driving device 13 and facilitate transportation.

The counterweight 15 is detachably disposed on the base assembly 14 . The weight of the base assembly 14 is increased by the counterweight 15 to improve the stability of the driving device 13, facilitate the lifting of some heavy equipment, expand the scope of application of the sling, and improve practicability.

Further, the counterweight 15 and the base assembly 14 are fastened and fixed by bolts, which can be quickly disassembled.

The moving wheels 142 are evenly arranged on the installation frame 141 ; at least one brake wheel 143 is arranged on the installation frame 141 , and the brake wheel 143 is used to fix the installation frame 141 . By setting the moving wheel 142 and the brake wheel 143 at the bottom of the mounting frame 141, the driving device 13 is adjusted by the moving wheel 142 and the braking wheel 143 before lifting, so that the driving device 13 is close to the pole tower; The movement of the driving device 13 ensures the stability when lifting the equipment, prevents the sudden movement of the driving device 13 and causes the equipment to fall, and improves the safety of the construction site.

The brake wheel 143 is a universal wheel, which is convenient to adjust and lock the moving direction of the mounting frame 141, so that the driving device 13 is quickly moved to the desired position; Can turn to, guarantee the stability of driving device 13.

Further, the mounting frame 141 is square, and the frame is welded by four sections of preferred angle steel, the thickness of the angle steel is 4mm, and the length of each section is 34cm, so as to ensure the support strength of the mounting frame 141 .

Further, the fixed pulley 112 without brake and the universal wheel with brake are welded on the bottom side of the angle steel.

The handle 16 is disposed on the mounting frame 141 . By setting the handle 16 on the mounting frame 141 , it is convenient to control the moving direction of the mounting frame 141 , the adjustment is convenient, labor-saving and efficient.

Further, the handle 16 is made of steel bars, installed on the outside of the angle steel of the mounting frame 141, holes are punched on the angle steel and the steel bars, and fixed with bolts, which can be flexibly disassembled and assembled according to requirements, and are easy to use.

As another embodiment, the first hook 111 is detachably connected to the cross arm 10; the fixed pulley 112 is rotatably connected to the first hook 111, and the suspension rope 12 passes over the fixed pulley 112, and the fixed pulley 112 is used to Support hanging rope 12. The fixed pulley 112 is connected with the cross arm 10 through the first hook 111, and the action of disassembling and assembling the pulley assembly 11 can be completed with one hand at high altitude, reducing the safety risk of workers working at high altitude.

The cross arm 10 is provided with a mounting hole, and the first hook 111 passes through the mounting hole. The installation of the pulley assembly 11 can be completed by using the original installation holes on the cross arm 10 without the need for high-altitude workers to drill holes, reducing the preparation process before hoisting, shortening the construction time, reducing the power outage time, and improving the sense of power acquisition of residents.

The winch 131 is used to coil the suspension rope 12 ; the power supply 132 is used to supply power to the winch 131 . By providing a separate power supply 132 for the winch 131, it is not limited by the location during use, and has strong practicability.

Further, the winch 131 is an electric winch 131 , the rated no-load speed of the electric winch 131 is 30 m/min, and the speed of the motor can be adjusted by adjusting the planetary gear in the electric winch 131 . The electric winch 131 has an operating handle, and a single person can complete the operation to realize the lifting of electrical equipment. The electric winch 131 has a power-off protection function, which can prevent the hoisted electrical equipment from falling.

Further, the power supply 132 is a lead-acid battery with a rated voltage of 12V and a rated capacity of 100AH, so as to ensure that the winch 131 has sufficient power supply time and power supply.

The second hook 122 is connected with the wire rope 121, and the second hook 122 is used for connecting the equipment to be lifted. By setting the second hook 122 on the wire rope 121, it is convenient to quickly connect the wire rope 121 to the equipment to be hoisted, the connection is simple and convenient, the maintenance period is shortened, and the power supply is restored quickly.

Further, the wire rope 121 is a steel wire rope 121 with a diameter of 3 mm and a length of 70 m, which can carry the weight of most equipment and is enough to hoist the equipment to the cross arm 10 on the top of the tower.

Those skilled in the art can easily understand that, on the premise of no conflict, the above-mentioned advantageous modes can be freely combined and superimposed.

The above are only preferred embodiments of the application, and are not intended to limit the application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the application should be included in the protection scope of the application. Inside. The above are only the preferred embodiments of the present application. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the technical principle of the application. These improvements and modifications should also be It is regarded as the scope of protection of this application.

Claims (10)

1. A construction hoist, characterized in that it comprises:

a pulley assembly (11), the pulley assembly (11) being detachably connected to the cross arm (10);

the lifting rope (12), the lifting rope (12) bypasses the pulley assembly (11), and the first end of the lifting rope (12) is detachably connected with equipment to be lifted;

the driving device (13) is arranged on the ground, the driving device (13) is connected with the second end of the lifting rope (12), and the driving device (13) is used for coiling the lifting rope (12).

2. The construction hoist according to claim 1, characterized in that the construction hoist further comprises:

-a base assembly (14), the base assembly (14) being arranged below the driving device (13), the base assembly (14) being adapted to move the driving device (13).

3. The construction hoist according to claim 2, characterized in that the construction hoist further comprises:

the balancing weight (15), balancing weight (15) detachably sets up on base subassembly (14).

4. A construction hoist according to claim 3, characterized in that the base assembly (14) comprises:

a mounting frame (141);

the moving wheels (142) are uniformly arranged on the mounting frame (141);

and the brake wheels (143), at least one brake wheel (143) is arranged on the mounting frame (141), and the brake wheels (143) are used for fixing the mounting frame (141).

5. The construction hoist according to claim 4, characterized in that:

the moving wheel (142) is a directional wheel;

the brake wheel (143) is a universal wheel.

6. The construction hoist of claim 5, characterized in that it further comprises:

-a handle (16), said handle (16) being arranged on said mounting frame (141).

7. A construction hoist according to claim 1, characterized in that the pulley assembly (11) comprises:

the first lifting hook (111) is detachably connected with the cross arm (10);

the fixed pulley (112), fixed pulley (112) with first lifting hook (111) rotatable coupling, lifting rope (12) are followed fixed pulley (112) top is walked around, fixed pulley (112) are used for supporting lifting rope (12).

8. The construction hoist of claim 7, characterized in that:

the cross arm (10) is provided with a mounting hole, and the first lifting hook (111) penetrates through the mounting hole.

9. A construction hoist according to claim 1, characterized in that the driving device (13) comprises:

-a winch (131), said winch (131) being adapted to reel said lifting rope (12);

-a power supply (132), the power supply (132) being adapted to power the winch (131).

10. A construction hoist according to any one of claims 1-9, characterized in that the lifting rope (12) comprises:

a wire rope (121);

the second lifting hook (122), second lifting hook (122) with wire rope (121) are connected, second lifting hook (122) are used for connecting waiting to lift by crane equipment.