CN203359893U - Portable lift - Google Patents

Abstract

The utility model relates to the technical field of maintenance and overhaul equipment for power transmission lines in the electric power industry, in particular to a portable lift. Replacement of old equipment on poles in substations usually uses manpower hoisting on sand poles or large cranes. The manual hoisting of sand poles has problems such as insufficient interval safety distance, and the hoisting of large cranes is often limited by the site. The utility model includes a motor, a deceleration winch, a vertical rod, a rotating mechanism and a boom; the vertical rods are connected by flanges; the middle part of the vertical rod is connected to the hoop through the support arm; the rotating mechanism is composed of an insertion rod and a vertical shaft; the lower part of the vertical shaft is inserted Inside the insertion rod, a boom is fixed at the top; the lower section of the insertion rod is inserted into the first vertical rod at the upper end, and connected to the first vertical rod through the flange on the outer wall of the insertion rod. The utility model has the advantages of simple structure, convenient use, detachable design, convenient transportation and storage, not limited by the construction site, reduced labor intensity of operators, and improved construction efficiency.

Description

A portable lift

technical field

The utility model relates to the technical field of maintenance and overhaul equipment for transmission lines in the electric power industry, in particular to a portable lift.

Background technique

In the daily operation and maintenance of substations to replace aging and hidden dangers of old equipment, the prior art hoisting operations usually use manpower hoisting on sand poles or large cranes.

Due to the fixed lifting point of the traditional sand pole manual lifting method, after hoisting the circuit breaker switch, a special person must use a rope to pull it to the side and then use a chain to lift it. There are problems such as insufficient safety distance, heavy workload, and low work efficiency. The length is long and the transportation is inconvenient; although it saves time and effort by using a large crane for hoisting operation, due to the limitation of the substation site, sometimes it is necessary to expand the scope of power outage for maintenance, and the maintenance cost is high. Neither of the two construction methods can well meet the needs of the site.

Contents of the invention

The purpose of this utility model is to provide a portable lift to overcome the deficiencies in the prior art, reduce the labor intensity of operators, and improve work efficiency.

The technical scheme of the utility model is: including motor, deceleration winch, hand wheel; also includes vertical rod, rotating mechanism and boom; the end of vertical rod is provided with flange, and the flange and bolt are passed between every two vertical rods. Connection; the middle part of the pole is connected to the hoop through the support arm; the deceleration hoist, motor and handwheel are assembled on the bottom pole at the lower end;

The rotating mechanism is composed of an insertion rod and a vertical shaft; the top of the vertical shaft is fixed with a boom, and a pulley is installed at each end of the boom; the suspension rope goes around the two pulleys, and the two ends are respectively connected to the deceleration hoist and the hook; the lower part of the vertical shaft is inserted into the insertion rod Inside, the insertion rod and the vertical shaft are matched by bearings; the lower end of the vertical shaft is provided with external threads, and is locked and limited by nuts;

The outer wall of the upper section of the insertion rod is provided with a flange, and the lower section of the insertion rod is inserted into the first vertical rod at the upper end, and the flange at the top of the first vertical rod is connected with the flange on the outer wall of the insertion rod.

Further, the bearing fit between the insertion rod of the rotating mechanism and the vertical shaft is that the upper part is a pressure bearing, and the lower part is a rolling bearing.

Further, a support rod is installed between the upper section of the vertical shaft and the boom.

The utility model has the advantages of simple structure, convenient use, and easy operation, which solves the shortcomings of the prior art sand pole hoisting or crane hoisting, and the vertical pole adopts a detachable design, which is convenient for transportation and storage, and is not subject to construction. Due to the limitation of the site, the construction efficiency is high. the

The technical scheme of the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

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

Fig. 2 is a schematic diagram of the assembly of the rotating mechanism and the vertical rod of the utility model.

Detailed ways

In the figure: 1, vertical rod, 2, vertical shaft, 3, flange, 4, boom, 5, pulley, 6, support rod, 7, electric motor, 8, deceleration winch, 9, hoop, 10, insertion rod, 11, support arm, 12, pole.

Example

As can be seen from Fig. 1, the utility model comprises motor 7, deceleration winch 8, handwheel; Also comprises pole 1, rotating mechanism and boom 4; The hoop 9; every two vertical poles 1 are connected by flanges and bolts; the deceleration winch 8, the motor 7 and the hand wheel are assembled on the bottom pole 1, and the power output shaft of the motor 7 is connected with the handwheel shaft. The hand wheel drives the deceleration winch 8 through the belt; in the case of power failure or no power supply, the hand wheel can be manually turned to lift the equipment.

The rotating mechanism is composed of an insertion rod 10 and a vertical shaft 2; the lower part of the vertical shaft 2 is inserted into the insertion rod 10, and the insertion rod 10 and the vertical shaft 2 are matched by two bearings, the upper part is a pressure bearing, and the lower part is a rolling bearing; the lower end of the vertical shaft 2 is provided with The external thread is locked and limited by nuts; the outer wall of the upper section of the insertion rod 10 is provided with a flange 3, and the lower section of the insertion rod 10 (that is, the part below the flange 3) is inserted into the first vertical rod 1 at the upper end, and the first section The flange at the top of the vertical pole 1 is connected with the flange 3 of the insertion pole 10 by bolts; the boom 4 is assembled on the top of the vertical shaft 2, and a pulley 5 is installed at both ends of the boom 4; Respectively connect the deceleration winch 8 and the suspension hook; the upper section of the vertical shaft 2 and the boom 4 are equipped with an oblique support rod 6 .

In order to facilitate the utility model to move in the substation, rollers can be assembled on the lowermost end pole 1.

During use, connect each vertical rod 1 and the rotating mechanism on the spot, stand the utility model elevator that has assembled on the ground, and connect and fix the main body of the elevator with the electric pole 12 by the hoop 9, and then the equipment hoisting operation can be carried out.

Finally, it should be noted that: the above examples are used to illustrate the technical solution of the utility model rather than to limit it. Those skilled in the art can modify the implementation or equivalently replace some technical features without departing from the technology of the utility model. The essence of the scheme should be covered within the scope of protection required by the utility model.

Claims (3)

1. a Portable lifting machine, comprise electrical motor (7), deceleration winch (8), handwheel; It is characterized in that: also comprise vertical rod (1), rotating mechanism and arm (4); The end of vertical rod (1) is provided with flange, between every two joint vertical rods (1), by flange and bolt, connects; Vertical rod (1) middle part connects anchor ear (9) by support arm (11); Deceleration winch (8), electrical motor (7) and handwheel are assemblied in the minor details vertical rod (1) of lower end;

Rotating mechanism is comprised of insertion rod (10), vertical shaft (2); Vertical shaft (2) top is fixed with arm (4), and a pulley (5) respectively is equipped with at arm (4) two ends; Lifting rope is walked around two pulleys (5), and two ends connect respectively deceleration winch (8) and suspension hook; Vertical shaft (2) hypomere is inserted in insertion rod (10), between insertion rod (10) and vertical shaft (2), passes through bearing fit; Vertical shaft (2) lower end is provided with outside thread, and spacing by nut locking;

The outer wall of insertion rod (10) epimere is provided with flange (3), and the hypomere of insertion rod (10) is inserted in upper end first segment vertical rod (1), and the flange on first segment vertical rod (1) top is connected with the flange (3) of insertion rod (10) outer wall.

2. a kind of Portable lifting machine according to claim 1 is characterized in that: the bearing fit between described rotating mechanism insertion rod (10) and vertical shaft (2) is, top is pressure bearing, and below is antifriction-bearing box.

3. a kind of Portable lifting machine according to claim 1, is characterized in that: between the epimere of described vertical shaft (2) and arm (4), strut bar (6) is housed.

Images