CN221070727U - Electric hoisting frame for installing distribution switch on electrified line - Google Patents

Abstract

The utility model discloses an electric hoisting frame for installing a distribution switch on an electrified line, which comprises a telegraph pole, wherein an upper hoisting frame and a lower hoisting frame which are matched with each other are sleeved outside the telegraph pole, the upper hoisting frame comprises two first hoops fixedly sleeved outside the telegraph pole, a double-triangular bracket is rotationally connected between the upper hoop and the lower hoop, and a hoisting mechanism is fixedly arranged outside the double-triangular bracket.

Description

Electric hoisting frame for installing distribution switch on electrified line

Technical Field

The utility model relates to the technical field of electric power operation, in particular to an electric hoisting frame for installing a distribution switch on an electrified line.

Background

At present, when 10kV and 0.4kV distribution overhead line live installation distribution switch and carry out other relevant distribution line construction tasks, the problem that special topography crane can't get into the job site generally exists, simultaneously, special mounting tool or the lack of equipment makes the operating personnel can only carry out manual hoisting with the help of cross arm, fag end and pulley, because the instability of cross arm, in hoist and mount distribution switch in-process, the accident that the cross arm atress warp, the switch falls on ground very easily takes place, and the switch rises to the not good location and regulation and control direction when installing the switch frame position in advance, a lot of difficulties have been increased for distribution switch's installation.

In the prior operation mode, potential safety hazards such as interphase short circuit or grounding accidents exist, even if the condition that a crane enters a construction site to mechanically install a power distribution switch can be met, in order to ensure construction safety, live working staff is required to utilize an insulating bucket arm car to firstly insulate and shield a live body which is possibly touched by the crane so as to prevent the suspension arm and a steel wire rope from being mistakenly touched with the live body or the grounding body in the process of lifting the installation switch, so that the interphase short circuit or the grounding accidents are caused,

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides the electric hoisting frame for installing the distribution switch on the electrified line, which is characterized in that the upright post is used as a rotating platform to drive the double-triangular support to rotate in a certain range by taking the upright post as a center, and when the operation in other directions of the same horizontal plane is required, the fixed position of the hoisting frame can be directly hoisted to a proper position through the upright post rotating hoisting mechanism without disassembling or replacing the fixed position of the hoisting frame, so that the operation time is saved.

The technical scheme of the utility model is as follows:

The utility model provides an electrified line goes up distribution switch installation and uses electronic hoist and mount frame, includes the wire pole, the wire pole overcoat is equipped with gallows and lower gallows of mutually supporting, it establishes including two fixed cover to go up the gallows first staple bolt outside the wire pole, upper and lower two rotate between the first staple bolt and be connected with two triangular supports, two triangular supports external fixation is provided with elevating system.

Further, an upright post is rotationally connected between the upper hoop and the lower hoop, and the double-triangular bracket is connected with the upright post in a clamping way.

Further, the double-triangular bracket comprises a cross rod with one end rotationally connected with the upright post, reinforcing rods are fixedly arranged at the upper end and the lower end of the cross rod respectively, and the other ends of the reinforcing rods are rotationally connected with the upright post.

Further, the outside of horizontal pole is fixed to be provided with the pulley.

Further, the lower hanging bracket comprises two second hoops fixedly sleeved outside the telegraph pole, and the lifting mechanism comprises an electric hoist fixedly connected with the second hoops.

Further, the electric hoist is connected with an insulating lifting rope, the other end of the insulating lifting rope passes through the pulley to be connected with a lifting hook, and the other end of the lifting hook is connected with a distribution switch main body.

Further, an infrared sensor is arranged at the outlet of the insulating lifting rope on the electric hoist.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the stand column is arranged outside the telegraph pole and is used as a rotating platform, the double triangular brackets are driven to rotate in a certain range by taking the stand column as the center, when other azimuth operation on the same horizontal plane is required, the fixed position of the lifting frame can be directly removed or replaced, the power distribution switch can be lifted to a proper position through the stand column rotating lifting mechanism, meanwhile, uninterrupted maintenance construction can be realized, the uninterrupted maintenance construction can be effectively shortened, the power outage working time is effectively shortened, the construction difficulty of live working personnel is greatly reduced, and the problem that lifting operation cannot be carried out when large-scale lifting equipment in complex terrains cannot enter is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the upper hanger of the present utility model;

FIG. 3 is a schematic view of a lifting mechanism according to the present utility model;

fig. 4 is an enlarged schematic view at a in fig. 2.

In the drawings, the list of components represented by the various numbers is as follows:

1. A pole; 2. a hanging bracket is arranged; 21. the first hoop; 22. a double tripod; 221. a cross bar; 222. a reinforcing rod; 23. a column; 24. a pulley; 3. a lower hanging bracket; 301. the second hoop; 4. a lifting mechanism; 401. an electric hoist; 402. an insulating hanging rope; 403. a lifting hook; 404. a power distribution switch body; 405. and an infrared sensor.

Detailed Description

In order to make the contents of the present utility model more easily understood, the technical scheme of the present utility model will be further described with reference to the specific embodiments and the accompanying drawings, but the present utility model is not limited thereto.

Referring to fig. 1, an electric hoisting frame for installing a distribution switch on an electrified line comprises a telegraph pole 1, wherein an upper hanging frame 2 and a lower hanging frame 3 which are matched with each other are sleeved outside the telegraph pole 1, the upper hanging frame 2 comprises two first anchor clamps 21 fixedly sleeved outside the telegraph pole 1, a stand column 23 is rotationally connected between the upper anchor clamps 21 and the lower anchor clamps 21, a double-triangular support 22 is connected with the stand column 23 in a clamping manner, and a lifting mechanism 4 is fixedly arranged outside the double-triangular support 22.

From the above description, the upright post 23 is a rotating platform, the double-tripod 22 can rotate in a certain range by taking the upright post 23 as a central main body, when other azimuth operations requiring the same horizontal plane occur, the fixed position of the hoisting frame is not required to be replaced, the power distribution switch main body 404 can be directly hoisted to a proper position by rotating the double-tripod 22 through the upright post 23, the hoisting frame is not required to be disassembled, the safety of construction and installation of the power distribution switch in a charged environment is ensured, uninterrupted maintenance construction can be realized, the outage working time is effectively reduced, the construction difficulty of charged operators is greatly reduced, and the problem that hoisting operations cannot be performed when large hoisting equipment in complex terrains cannot enter is solved.

In combination with fig. 2, the double-triangular bracket 22 comprises a cross rod 221 with one end rotationally connected with the upright 23, reinforcing rods 222 are fixedly arranged at the upper end and the lower end of the cross rod 221 respectively, the reinforcing rods 222 at the upper side and the lower side can support the cross rod 221, the other ends of the reinforcing rods 222 are rotationally connected with the upright 23, and the lifting process of the power distribution switch can be ensured to be more stable and safe due to the design of the double-triangular structure.

Specifically, according to fig. 4, a clamping block is arranged on the outer side of the upright 23, a clamping groove is formed at the joint of the cross bar 221 and the reinforcing rod 222 and the upright 23, and the double-triangular support 22 is connected with the upright 23 through the clamping block and the clamping groove in a clamping manner, so that the double-triangular support 22 can rotate along with the rotation of the upright 23.

In combination with fig. 3, the lower hanger 3 comprises two second anchor clamps 301 fixedly sleeved outside the telegraph pole 1, the lifting mechanism 4 comprises an electric hoist 401 fixedly connected with the second anchor clamps 301, the electric hoist 401 is installed at the bottom of the telegraph pole 1, the bearing pressure of the double-triangular bracket 22 at the top is reduced, the electric hoist 401 is connected with an insulating lifting rope 402, the other end of the insulating lifting rope 402 is connected with a lifting hook 403 through a pulley 24, the other end of the lifting hook 403 is connected with a distribution switch main body 404 in a hanging manner, the pulley 24 is fixedly arranged on the outer side of the cross rod 221, and the direction of the pulley 24 can be changed to lift a heavy object.

Specifically, the electric hoist 401 has an overload sensor automatic protection function, so that the hoisting equipment of the hoisting frame is ensured to be in an allowable range, and meanwhile, the overload sensor has a speed difference protection function, so that the hoisting frame is ensured to hoist at a constant speed, and the equipment safety is ensured.

Specifically, the electric hoist 401 has a limiting device and a braking function, and mainly hoists the distribution switch main body 404 or other devices to the top of the telegraph pole 1 through the insulating hoist rope 402 and the pulley 24. An adjustable collision device is fixed on the insulating lifting rope 402, when the lifting hook 403 rises to a set limit height, the insulating lifting rope 402 is pulled back to press down the limiter through the collision device to disconnect the main contact of the motor contactor, the lifting hook 403 cannot continuously rise, the lifting hook 403 is prevented from bumping, and the lifting equipment is ensured to be used in an allowable range.

Preferably, the pulley 24 can be additionally arranged on the outer side of the cross bar 221 to form a pulley block, so that the electric hoist 401 with the same power can hoist equipment with larger weight.

Preferably, an infrared sensor 405 is arranged at the outlet of the insulating lifting rope 402 on the electric hoist 401, the infrared sensor 405 is used for detecting the speed of the insulating lifting rope 402, and the motor is controlled to brake in time when the over-fast stall is detected, so that the lifting process is ensured to be stable at a constant speed.

Specifically, the galvanized flat belt is used for blanking by the first anchor ear 21 and the second anchor ear 301, and through punching and forming plastic spraying rust prevention treatment, the effects of rust prevention and strong bearing capacity are achieved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (7)

1. An electric hoisting frame for installing a distribution switch on an electrified line is characterized in that: including wire pole (1), wire pole (1) overcoat is equipped with gallows (2) and gallows (3) down of mutually supporting, it establishes including two fixed cover to go up gallows (2) first staple bolt (21) outside wire pole (1), upper and lower two rotate between first staple bolt (21) and be connected with two triangle-shaped support (22), two triangle-shaped support (22) external fixation are provided with hoist mechanism (4).

2. The electric hoisting frame for installing a distribution switch on an electrified line according to claim 1, wherein: an upright post (23) is rotationally connected between the upper hoop (21) and the lower hoop (21), and the double-triangular bracket (22) is connected with the upright post (23) in a clamping way.

3. The electric hoisting frame for installing a distribution switch on an electrified line according to claim 2, wherein: the double-triangular bracket (22) comprises a cross rod (221) with one end rotationally connected with the upright post (23), reinforcing rods (222) are fixedly arranged at the upper end and the lower end of the cross rod (221) respectively, and the other ends of the reinforcing rods (222) are rotationally connected with the upright post (23).

4. An electric hoist rack for installing distribution switches on live lines according to claim 3, wherein: the outside of horizontal pole (221) is fixed to be provided with pulley (24).

5. The electric hoisting frame for installing a distribution switch on an electrified line according to claim 4, wherein: the lower hanging bracket (3) comprises two second anchor clamps (301) fixedly sleeved outside the telegraph pole (1), and the lifting mechanism (4) comprises an electric hoist (401) fixedly connected with the second anchor clamps (301).

6. The electric hoisting frame for installing a distribution switch on a live line according to claim 5, wherein: the electric hoist (401) is connected with an insulating lifting rope (402), the other end of the insulating lifting rope (402) is connected with a lifting hook (403) through the pulley (24), and the other end of the lifting hook (403) is connected with a power distribution switch main body (404).

7. The electric hoisting frame for installing a distribution switch on an electrified line according to claim 6, wherein: an infrared sensor (405) is arranged at the outgoing line of the insulating lifting rope (402) on the electric hoist (401).