CN204079401U - Aloft work maintenance lift cramping arrangement - Google Patents

Abstract

The utility model relates to a lifting and clamping device for high-altitude operation, and its technical proposal is as follows: it includes a lifting body, a suspension head, a fixed end, a top fixed suspension head of the lifting body, and a fixed end is provided at the lower part of the lifting body. An arc-shaped cover is arranged in the middle of the lifting body, and the lifting rack is fixed vertically inside the lifting body. , the turbine is connected to the worm, the worm is connected to the rotating handle, and the top of the lifting rack is fixed to the clamping unit; the beneficial effects of the utility model are: reasonable design, easy and convenient operation, flexible and reliable, suitable for power equipment maintenance The lifting operation of heavy objects reduces labor intensity and improves work efficiency.

Description

Lifting and clamping device for working at heights

technical field

The utility model relates to electric power maintenance equipment, in particular to a lifting and clamping device for high-altitude operation maintenance.

Background technique

In order to ensure a stable supply of electricity, a large number of electric workers and maintenance tools are required for support. The power maintenance ladder is the most commonly used tool, and most of the power maintenance ladders in the prior art are the most common ladders, and at most, some insulation treatments have been done. With the vigorous promotion of smart grid technology, power maintenance often involves multiple fields. There are complex circuits in the power cabinet, involving many fields such as machinery, electric control, and software debugging. This kind of maintenance often requires experts from multiple fields. Workers participate simultaneously. The problem is that many substation switches are suspended at high places. At present, in the power system, various switches and switch operating mechanisms in 110kV-500kV substations are very common, especially the main switch of each group of switch switches in the substation. Install this mechanism. Due to the high requirements for installation accuracy, heavy weight, and open-air operations, it often causes headaches for installers during the construction process. During installation, a stainless steel body with a weight of 40-100kg and built-in precision transmission parts needs to be suspended and vertically fixed on the equipment support, and, in the raised and unfixed state, the horizontal height of the box body, the horizontal front, rear, left, and right sides need to be adjusted first. During installation, line maintenance personnel need to replace or reinstall the fallen spacers. Due to the lack of professional maintenance equipment, line maintenance personnel usually fix the equipment manually by multiple people. The work process is complicated, time-consuming and laborious. During the process, it is easy to cause the installation equipment to slip, causing accidents and affecting the installation efficiency.

The publication number of the Chinese patent application is: CN 103280716 A, and the patent name is "A Knife Gate Maintenance Frame", which is characterized in that: the knife gate maintenance frame includes the lower frame, the maintenance equipment frame 2, the bottom fastening bolts, the side Fastening bolts, protective rods, and reserved holes for safety ropes, wherein: the lower frame is a channel steel welded structure, and the maintenance equipment frame is locked in the lower frame through the bottom fastening bolts and side fastening bolts; the lower end of the protective rod is installed on the Above the lower frame, the upper end of the protective rod has two reserved holes for safety ropes. The Chinese patent publication number is: CN 203242941 U, and the patent name is "A New Type of Electric Maintenance Frame", which includes a base, a support body, a column, a climbing ladder, a connection locking device, a maintenance frame table, an insulating protective fence and a fitter's table , the bottom of the column is fixedly connected to the base through the support body, several climbing ladders are evenly arranged on both sides of the column, and a connection locking device is installed above the column, and an inspection frame table is installed on the top of the column, and the inspection frame table is provided around There are several insulating protective fence bars, and a fitter's table is fixedly arranged on the maintenance stand table.

The existing defects are: the fixed installation of the installation equipment cannot be realized in the high-altitude operation, and the adjustment is unreasonable in the actual operation, which may easily cause the equipment to slip and affect the operation and construction.

Contents of the invention

The purpose of this utility model is to aim at the above-mentioned defects existing in the prior art, and to provide a lifting and clamping device for working at heights, which is reasonable in design, easy to operate, flexible and reliable.

Its technical scheme is: including the lifting body, the suspension head, the fixed end, the top of the lifting body to fix the suspension head, the lower part of the lifting body is provided with the fixed end, the middle of the lifting body is provided with an arc cover, and the inside of the lifting body is vertical The lifting rack is fixed, the lifting rack is provided with a rack, the inside of the arc cover is fixed with a rotating shaft, the worm gear is meshed with the lifting rack, the worm gear is connected to the worm, and the worm is connected to the rotating handle. The clamping unit is fixed on the top of the lifting rack.

The above-mentioned clamping unit includes a clamping belt, a spring, a clamping oil cylinder, a clamping arm, a telescopic arm, a fixing buckle, and a body. The telescopic arm is horizontally arranged on the body, and the clamping arm is fixed in the vertical direction of the telescopic arm. The outside of the clamping arm is fixed with a clamping oil cylinder, and the clamping oil cylinder is connected to the clamping belt through a spring, and the end of the telescopic arm is provided with a fixing buckle.

The top of the clamping arm is provided with a rocker, and the rocker includes an upper rotating rod and a lower rotating rod, and the upper rotating rod and the lower rotating rod are connected by a locking ring.

The beneficial effects of the utility model are: through the gear transmission deceleration, the shell is lifted or lowered, and objects are transported and fixed during high-altitude operations. It plays the role of lifting and lowering during the working process, which plays a good role in improving work efficiency and reducing labor intensity. The product is reasonable in design, easy to operate, flexible and reliable, and is suitable for lifting and lowering operations of heavy objects in power equipment maintenance, which reduces labor intensity and improves work efficiency.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the internal structure schematic diagram of the present utility model;

Accompanying drawing 3 is the structural representation of clamping unit;

Accompanying drawing 4 is the structural representation of clamping arm;

In the above picture: lifting body 1, arc cover 2, suspension head 3, fixed end 4, turbine 5, worm screw 6, lifting rack 7, rotating handle 8, clamping unit 9, rotating shaft 10, clamping belt 9.1, spring 9.2, Rocker 9.3, Clamping Cylinder 9.4, Clamping Arm 9.5, Telescopic Arm 9.6, Fixing Buckle 9.7, Body 9.8, Upper Rotating Rod a, Lower Rotating Rod b, Locking Ring c.

Detailed ways

In conjunction with accompanying drawings 1-4, the utility model is further described:

The utility model includes a lifting body 1, an arc cover 2, a suspension head 3, a fixed end 4, a turbine 5, a worm 6, a lifting rack 7, a rotating handle 8, a clamping unit 9, and a suspension head 3 fixed on the top of the lifting body 1. The lower part of the lifting body 1 is provided with a fixed end 4, the middle of the lifting body 1 is provided with an arc-shaped cover 2, and the inside of the lifting body 1 is vertically fixed to a lifting rack 7, and the lifting rack 7 is provided with teeth The inside of the arc cover 2 fixes the turbine 5 through the shaft 10, the turbine 5 meshes with the elevating rack 7, the worm 5 is connected with the worm 6, the worm 6 is connected with the rotating handle 8, and the elevating rack The top fixed clamping unit 9.

Referring to accompanying drawing 3, clamping unit 9 comprises clamping band 9.1, spring 9.2, clamping oil cylinder 9.4, clamping arm 9.5, telescopic arm 9.6, fixing buckle 9.7, body 9.8, and telescopic arm is horizontally arranged on described body 9.8 9.6, the clamping arm 9.5 is fixed in the vertical direction of the telescopic arm 9.6, the external clamping cylinder 9.4 of the clamping arm 9.5 is fixed, the clamping cylinder 9.4 is connected to the clamping belt 9.1 through the spring 9.2, and the end of the telescopic arm 9.6 is provided with Fixed buckle 9.7.

Referring to accompanying drawing 4, the top of clamping arm 9.5 is provided with rocking bar 9.3, and described rocking bar 9.3 comprises upper turning bar a and lower turning bar b, and described upper turning bar a and lower turning bar b pass through locking ring c connection, the clamped object can be fixed and clamped by rotating the rocker to prevent the clamped object from falling off and ensure the safety of the clamp.

A method for using a lifting and clamping device for working at heights, comprising the following steps:

A. First fix the suspension head on the main line, and the fixed end is fixedly connected with the insulator. The location of the maintenance device should be selected according to the center of gravity of the heavy object, so that it will not fall over when lifting. The horizontal height of the box, the horizontal front, rear, left, and right directions, need to be replaced by line maintenance personnel or reinstall the fallen spacers during installation; before use, it should be shaken once, from low to high, to check whether there is any jamming or abnormal phenomenon, Everything is normal to use;

B. Fix the clamped object through the clamping unit to prevent the clamped object from falling off during the installation process and cause work errors. By adjusting the clamping cylinder, adjust the tightness of the clamped object, and the clamping arm can adjust the installation angle;

C. Lift the installation object to a suitable position by turning the rotating handle to ensure accurate installation positioning;

D. After the positioning is accurate, fix the installation object. After fixing, disassemble the clamping unit, and at the same time disassemble the fixed end of the device from the insulator, and separate the suspension head to realize the installation and disassembly process.

The device is decelerated by the turbine to drive the shell to rise or fall to realize the handling and fixing of objects during high-altitude operations. The structure is simple and the design is reasonable. When unloading or descending, the speed is manually controlled. It plays the role of lifting and lowering during the working process, which plays a good role in improving work efficiency and reducing labor intensity. The product is reasonable in design, easy to operate, flexible and reliable, and is suitable for lifting and lowering operations of heavy objects in power equipment maintenance, which reduces labor intensity and improves work efficiency.

Claims (3)

1. A lifting and clamping device for working at heights, characterized by: including a lifting body (1), an arc cover (2), a suspension head (3), a fixed end (4), a turbine (5), a worm (6 ), lifting rack (7), rotating handle (8), clamping unit (9), the top of the lifting body (1) is fixed with a suspension head (3), and the lower part of the lifting body (1) is provided with a fixed end (4) , the middle of the lifting body (1) is provided with an arc-shaped cover (2), and the inside of the lifting body (1) is vertically fixed to the lifting rack (7), and the lifting rack (7) is provided with a rack , the interior of the arc-shaped cover (2) fixes the turbine (5) through the shaft (10), the turbine (5) is meshed with the lifting rack (7), the turbine (5) is connected with the worm (6), and the The worm (6) is connected to the rotating handle (8), and the top of the elevating rack (7) fixes the clamping unit (9). 2. The lifting and clamping device for aerial work inspection and maintenance according to claim 1, characterized in that: the clamping unit (9) includes a clamping belt (9.1), a spring (9.2), a clamping cylinder (9.4), Clamping arm (9.5), telescopic arm (9.6), fixed buckle (9.7), body (9.8), the telescopic arm (9.6) is horizontally arranged on the body (9.8), and the telescopic arm (9.6) is vertically Fix the clamping arm (9.5), the external fixed clamping cylinder (9.4) of the clamping arm (9.5), the clamping cylinder (9.4) connects the clamping belt (9.1) through the spring (9.2), and the telescopic arm (9.6 ) is provided with a fixed buckle (9.7) at the end. 3. The lifting and clamping device for aerial work maintenance according to claim 1, characterized in that: the top of the clamping arm (9.5) is provided with a rocker (9.3), and the rocker (9.3) includes an upper The rotating rod (a) and the lower rotating rod (b), the upper rotating rod (a) and the lower rotating rod (b) are connected through a locking ring (c).