CN203359890U - Small-sized electric pole hoisting device - Google Patents

Abstract

The utility model discloses a small-sized electric pole hoisting device which comprises a deflector rod, a power mechanism and a hoisting pulley block. The deflector rod is a telescopic type single-foot deflector rod. The power mechanism is connected with a guiding mechanism arranged at the lower end of the deflector rod and the hoisting pulley block fixed at the upper end of the deflector rod through steel wire ropes. According to the small-sized electric pole hoisting device, the power mechanism provides tractive force; through the adoption of the hoisting pulley block, the tractive force is saved and the principle that the direction of the tractive force can be changed is used, so an electric pole can be hoisted easily; according to the telescopic type single-foot deflector rod, transportation of the deflector rod is facilitated, and the height of the deflector rod can be adjusted according to actual needs when the small-sized electric pole hoisting device is assembled, so applicability is strong.

Description

Small pole lifting device

technical field

The utility model relates to a lifting device, in particular to a small lifting device for erecting electric poles.

Background technique

In the process of building the power grid, it is necessary to assemble the utility poles first and then build cables and wires above the erected utility poles. At present, cranes are mainly used to lift the wire poles and then fixed by the staff. However, in remote rural areas, it is not economical to use cranes to assemble light wire poles, and the cranes are often unable to drive in due to terrain and construction site restrictions. Therefore, these occasions usually adopt the original human assembly method. The way of manpower assembling poles needs more manpower, time-consuming, and low work efficiency, and if everyone cooperates slightly improperly during the assembling process, it may cause casualties, and the safety factor is low.

Therefore, there is a need for a small-sized lifting device for erecting electric poles, which has a simple structure, is convenient to use, saves labor and time, and can replace the original manual erection method.

Utility model content

In view of this, the utility model provides a small electric pole lifting device, which has a simple structure, is convenient to use, saves labor and time, and can replace the original manpower assembly method.

The small electric pole lifting device of the utility model comprises a pulling rod, a power mechanism and a lifting pulley block. And be fixed on the hoisting pulley block connection of described pulling bar upper end.

Further, the pulling rod is composed of outer steel pipes and inner steel pipes with different diameters, and the inner steel pipe can be freely expanded and contracted on the outer steel pipe. Relatively positioned circular holes.

Further, the power mechanism is a miniature electric winch.

Further, the lifting pulley set includes a lifting fixed pulley and a lifting movable pulley, the lifting fixed pulley is fixedly installed on the upper end of the pulling rod, and the lifting movable pulley is connected to the lifting fixed pulley through a wire rope.

Further, the guide mechanism is a certain pulley.

Beneficial effects of the utility model: the small electric pole lifting device of the present utility model provides the traction force by the power mechanism, and the pulley block can not only save the traction force but also change the direction of the traction force, and can easily lift the pole; the retractable independent The foot pulling rod is not only convenient for the transportation of the pulling rod, but also can adjust the height of the pulling rod according to the actual needs during assembly, which has strong applicability.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model.

Detailed ways

Fig. 1 is a schematic structural view of the utility model, as shown in the figure: the small electric pole lifting device of the present embodiment includes a pulling rod 1, a power mechanism 2 and a lifting pulley block, and the pulling rod 1 is a telescopic monopod The puller, the power mechanism 2 is connected with the guide mechanism 4 at the lower end of the puller 1 and the lifting pulley block fixed at the upper end of the puller 1 through a steel wire rope 3; the puller 1 is made of steel and is made into a telescopic The structure is convenient for transportation, and it can be stretched to the required length according to the installation height and component weight during hoisting; the cable wind rope 6 and the ground anchor 7 together form the stability system of the pulling rod 1, which keeps the pulling rod 1 upright and stable, and the cable The number of 6 wind ropes is determined according to the lifting weight, height and other conditions, and this device has four; the power mechanism 2 provides traction for the lifting of the pole, and this traction can come from both mechanical power and manpower; the lifting pulley block consists of Composed of multiple pulleys, the layout can be arranged according to the specific assembly situation; the length of the wire rope 3 between the pulling rod 1 and the power mechanism 2 can also be determined according to the specific situation, so as to ensure that the operator will not be injured even if an accident occurs when the rod is reversed; The guide mechanism 4 can convert the horizontal traction force into a traction force acting along the pulling rod 1 to keep the pulling rod 1 stable.

In this embodiment, the pulling rod 1 is composed of outer steel pipes 11 and inner steel pipes 12 with different diameters. The inner steel pipes 11 can be freely stretched on the outer steel pipes 12. It is convenient to pass through the pin shaft 13 to fix the relative position of the two steel pipes; the pulling rod 1 adopts a sleeve type telescopic structure, the outer steel pipe 12 is made of channel steel, and the inner steel pipe 11 is made of square steel one size smaller than the channel steel ; In order to maintain the strength of the lifting device, a plurality of pin shafts 13 may be established corresponding to a plurality of circular holes.

In this embodiment, the power mechanism 2 is a miniature electric hoist; the electric hoist can replace the original manpower assembly method, saving labor and time; the electric hoist includes a motor, a coupling, a brake, a gear box and a reel, and is jointly installed on the On the frame, for the situation of high lifting height and frequent work of loading and unloading, the speed regulation performance is good, and the empty hook can be lowered quickly, and a lower speed can be used for the installation in place or sensitive materials; the motor and wire rope of the miniature hoist On the same transmission shaft, it is light, compact and space-saving.

In this embodiment, the lifting pulley set includes a lifting fixed pulley 51 and a lifting movable pulley 52, the lifting fixed pulley 51 is fixedly installed on the upper end of the pulling rod 1, and the lifting movable pulley 52 is connected to the lifting pulley 52 through the steel wire rope 3. Said lifting fixed pulley 51 is connected; Lifting movable pulley 52 is equipped with hook, and the upper end of utility pole is tied up with rope and hung on the hook during vertical pole.

In this embodiment, the guide mechanism 4 is a fixed pulley, which is convenient for installation and replacement.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (5)

1. A small electric pole lifting device, characterized in that it includes a pulling rod (1), a power mechanism (2) and a lifting pulley block, the pulling rod (1) is a telescopic single-leg pulling rod, and the The power mechanism (2) is connected with the guide mechanism (4) at the lower end of the pulling rod (1) and the lifting pulley block fixed at the upper end of the pulling rod (1) through the steel wire rope (3). 2. The small electric pole lifting device according to claim 1, characterized in that: the pulling rod (1) is composed of outer steel pipes (11) and inner steel pipes (12) with different diameters, and the inner steel pipes (11) The outer steel pipes (12) can be freely expanded and contracted, and the overlapping parts of the two steel pipes are provided with circular holes for convenient penetration into the pin shaft (13) to fix the relative positions of the two steel pipes. 3. The small electric pole lifting device according to claim 2, characterized in that: the power mechanism (2) is a miniature electric winch. 4. The small electric pole lifting device according to claim 3, characterized in that: the lifting pulley block includes a lifting fixed pulley (51) and a lifting movable pulley (52), and the lifting fixed pulley (51) is fixedly installed on The upper end of the pulling rod (1), the lifting movable pulley (52) is connected with the lifting fixed pulley (51) through the steel wire rope (3). 5. The small electric pole lifting device according to claim 4, characterized in that: the guide mechanism (4) is a fixed pulley.