CN207276078U - Portable hoisting device - Google Patents

Abstract

The utility model discloses a portable hoisting device, which relates to the technical field of electric power system auxiliary equipment, and comprises channel steel, two pulleys, a horizontal shaft, several pull wires and chains, and the channel steel is fixedly installed on the cross arm of the fuse on the electric pole. In the middle position, one end of the stay wire is connected to one end of the channel steel, and the other end of the stay wire is fixed on the pole. The two side plates of the channel steel are respectively equipped with pulley tracks, and the two pulleys are respectively located on the pulley tracks on both sides of the channel steel. Among them, two pulleys are connected and fixedly installed at both ends of the horizontal shaft by means of bearings, a hook is arranged in the middle of the horizontal shaft, and the inverted chain is installed on the hook. The hoisting of transformers or JP cabinets is realized by this technical means, and lifting machinery is no longer needed, which reduces the cost of installation. At the same time, because the portable hoisting device is small in size and easy to carry, it can complete the work in a small space and is not affected by environmental factors. Constraints, improve the efficiency of transformer or JP cabinet installation.

Description

portable hanger

technical field

The utility model relates to the technical field of electric power system auxiliary equipment, in particular to a portable hoisting device.

Background technique

During the construction process of erecting or replacing transformers and JP cabinets, the construction team needs to use cranes or large-scale machinery to carry out operations. Due to the restrictions of the construction site or environment, it is difficult to use cranes or large-scale machinery for hoisting, which has caused inconvenience to the construction. Less trouble will affect the construction efficiency, and the other is the high cost of using cranes and large machinery, which will increase the construction cost.

Utility model content

The technical problem to be solved by the utility model is to provide a portable hoisting device for the deficiencies of the above-mentioned prior art to solve the problems that the installation of power system transformers and JP cabinets is greatly affected by environmental factors and the installation efficiency is low. The cabinet installation is not affected by environmental factors and has the characteristics of high installation efficiency.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a portable hoisting device, including a channel steel, two pulleys, a horizontal shaft, several pull wires and an inverted chain, and the channel steel is fixedly installed on the pole In the middle position of the cross arm of the fuse, one end of the stay wire is connected to one end of the channel steel, the other end of the stay wire is fixed on the pole, and the two side plates of the channel steel are respectively provided with pulley tracks The two pulleys are respectively located in the pulley tracks on both sides of the channel steel. The two pulleys are fixedly installed at both ends of the horizontal shaft by means of bearings. A hook is arranged in the middle of the horizontal shaft, and the inverted chain is installed on the hook superior.

Preferably, there are two stay wires, one end of the two stay wires is connected to one end of the channel steel, and the other ends of the two stay wires are respectively fixed on two electric poles.

Preferably, the pull wire is oil silk rope.

Preferably, two screw holes are provided in the middle of the channel steel, screw holes corresponding to the positions of the two screw holes on the channel steel are provided on the two splints, and the two splints hold the channel steel and the fuse across Sandwiched in the middle, two splints are bolted to secure the channel to the crossarm of the fuse.

Preferably, the chain hoist is a 2-ton hoist.

Preferably, the length of the channel steel is 3 meters.

The beneficial effects produced by adopting the above-mentioned technical solution are: the utility model designs a portable hoisting device, including channel steel, two pulleys, a horizontal shaft, several pull wires and an inverted chain. In the middle position of the load, one end of the stay wire is connected to one end of the channel steel, and the other end of the stay wire is fixed on the pole. The two side plates of the channel steel are respectively equipped with pulley tracks, and the two pulleys are respectively located on the pulleys on both sides of the channel steel. In the track, two pulleys are connected and fixedly installed at both ends of the horizontal shaft by means of bearings, a hook is arranged in the middle of the horizontal shaft, and the inverted chain is installed on the hook. When installing the transformer and JP cabinet, after the portable hoist is connected with the fuse cross arm and the pole, the lifting chain of the down chain is fixedly connected with the transformer or JP cabinet, and then the transformer or JP cabinet is lifted to the The specified height, and then push the transformer or JP cabinet to move horizontally to the predetermined position, separate the lifting chain from the transformer or JP cabinet to complete the installation, and realize the hoisting of the transformer or JP cabinet through this technical means, without the need for lifting machinery, which reduces the installation cost At the same time, because the portable hoist is small in size and easy to carry, it can complete the work in a small space without being restricted by environmental factors, and improves the efficiency of transformer or JP cabinet installation.

Description of drawings

Fig. 1 is a schematic structural view of the utility model providing an embodiment of the portable hoist when in use;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is a sectional view of the channel steel.

In the figure: 1. Pole; 2. Channel steel; 3. Pull wire; 4. Back chain; 5. Hook; 6. Transformer or JP cabinet; 7. Cross arm of fuse; 8. Pulley;

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the utility model is not limited to the following description.

As shown in Figure 1-3, the portable hoist includes a channel steel 2, two pulleys 8, a horizontal shaft 9, several stay wires 3 and an inverted chain 4, and the channel steel 2 is fixedly installed on the fuse cross arm 7 on the pole 1 In the middle position, one end of the stay wire 3 is connected to one end of the channel steel 2, the other end of the stay wire 3 is fixed on the pole 1, the two side plates of the channel steel 2 are provided with pulley tracks respectively, and the two pulleys 8 are respectively located in the groove In the pulley track on both sides of the steel 2, two pulleys 8 are fixedly installed on the two ends of the cross shaft 9 by means of bearings.

When installing the transformer and JP cabinet, after the portable hoist is connected with the fuse cross arm 7 and the pole 1, the lifting chain of the down chain 4 is fixedly connected with the transformer or the JP cabinet (6), and then the down chain 4 is used to Raise the transformer or JP cabinet (6) to the specified height, then push the transformer or JP cabinet (6) to move horizontally to the predetermined position, separate the lifting chain from the transformer or JP cabinet (6) to complete the installation, and realize the transformer through this technical means Or the hoisting of the JP cabinet (6) does not require lifting machinery, which reduces the cost of installation. At the same time, because the portable hoist is small in size and easy to carry, it can complete the work in a small space without being restricted by environmental factors, and improves Efficiency of transformer or JP cabinet (6) installation.

In one embodiment of the present utility model, there are two backguy wires 3, one end of the two backguy wires 3 is connected to one end of the channel steel 2, and the other ends of the two backguy wires 3 are respectively fixed on two poles 1. This design can ensure the stability of the channel steel 2 when hoisting the transformer or JP cabinet (6), and enhance the overall stability of the device. At the same time, according to actual requirements, the design of the number of 3 pull wires can be changed.

In one embodiment of the present utility model, backguy 3 selects oil silk rope for use.

In one embodiment of the present utility model, the middle position of channel steel 2 is provided with two screw holes, and two splints are provided with the screw holes corresponding to two screw hole positions on channel steel 2, two splints are provided with channel steel 2 It is clamped in the middle with the fuse cross arm 7, and the two splints are connected by bolts to fix the channel steel 2 on the fuse cross arm 7.

In one embodiment of the present utility model, the inverted chain 4 is a 2-ton inverted chain 4 .

In one embodiment of the present utility model, the length of the channel steel 2 is 3 meters, and the length of the channel steel 2 can also be set according to actual conditions.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. A portable hoist, characterized in that it includes a channel steel (2), two pulleys (8), a horizontal shaft (9), several stay wires (3) and an inverted chain (4), the channel steel ( 2) Fixedly installed on the middle position of the fuse crossarm (7) on the pole (1), one end of the stay wire (3) is connected to one end of the channel steel (2), and the stay wire (3) The other end is fixed on the pole (1), and the two side plates of the channel steel (2) are respectively provided with pulley tracks, and the two pulleys (8) are respectively located in the pulley tracks on both sides of the channel steel (2), Two pulleys (8) are fixedly installed at both ends of the horizontal shaft (9) by means of bearing connections, a hook (5) is provided in the middle of the horizontal shaft (9), and the inverted chain (4) is installed on the hook (5) up. 2. The portable hanger according to claim 1, characterized in that there are two stay wires (3), and one end of the two stay wires (3) is connected to one end of the channel steel (2), and the two stay wires (3) are connected to one end of the channel steel (2). The other ends of the stay wires (3) are respectively fixed on the two poles (1). 3. The portable hanger according to claim 1, characterized in that the pull wire (3) is an oil silk rope. 4. The portable hanger according to claim 1, characterized in that two screw holes are provided in the middle of the channel steel (2), and two screw holes on the two splints are provided on the channel steel (2). The screw hole corresponding to the hole position, two splints clamp the channel steel (2) and the fuse cross arm (7) in the middle, and the two splints fix the channel steel (2) to the fuse cross arm (7) through bolt connection )superior. 5. The portable hoist according to claim 1, characterized in that, the chain hoist (4) is a 2-ton hoist. 6. The portable hanger according to claim 1, characterized in that the length of the channel steel (2) is 3 meters.