CN205294663U - Hoisting device for isolation switch - Google Patents

Abstract

The utility model relates to a hoisting device for an isolating switch. The vertical arm is rotatably installed on the base plate, the cross arm is installed on the top of the vertical arm, and a suspension hook is arranged on the cross arm, and the isolation switch is hoisted on the hook to realize isolation. The switch is lifted and set by rotating the vertical arm. The cross arm can be rotated with the vertical arm as the axis, so that the isolating switch can be moved in the horizontal direction, so that the isolating switch can be hoisted on the pillar, and the supporting mechanism is connected with the pillar through the retaining mechanism. Use the pillars to provide support for the support mechanism, effectively preventing dumping during the hoisting process. The isolation switch is hoisted by using the above-mentioned supporting mechanism and retaining mechanism, which reduces the volume and working space of the hoisting device, avoids the need to increase the scope of power failure, and improves the reliability of power supply. Compared with the way of building scaffolding to overhaul the isolating switch, it improves the working efficiency and reduces the labor load and safety risks.

Description

Isolation switch lifting device

technical field

The utility model relates to the technical field of hoisting tools, in particular to a hoisting device for a disconnector switch.

Background technique

In the construction and maintenance of substation equipment, disconnectors are indispensable equipment. During installation or dismantling, the use of the crane is limited due to the limited space of the site, and the safe distance between the boom and the live area is insufficient, which requires additional power failures at adjacent intervals and reduces the reliability of power supply.

In order to solve the above problems, the staff usually build a scaffolding platform, disassemble the isolation switch, and multiple people pass it to the ground for maintenance in layers. After the maintenance is completed, it is passed to the structural pillars for assembly. This method greatly increases the number of staff and labor intensity, reduces work efficiency, increases the risk of operation, and also increases the power outage time. Although some hoisting tool products for equipment in substations have been released, it is difficult to meet the hoisting requirements of 110kV and 220kV folding isolating switches with a height of 4.5 meters and 5.5 meters.

Utility model content

Based on this, it is necessary to provide an isolating switch hoisting device for the existing method of disassembling and assembling isolating switches in layers by multiple people, which increases the number of workers and labor intensity, and reduces work efficiency.

A hoisting device for a disconnector switch, used for hoisting a disconnector switch, the hoisting device for a disconnector switch includes a support mechanism, and one end can be connected to a pillar for installing the disconnector switch, and the other end is installed on the retaining mechanism on the support mechanism mechanism;

The support mechanism includes a bottom plate, a vertical arm and a cross arm, the vertical arm is rotatably mounted on the bottom plate, the cross arm is mounted on the top of the vertical arm, and the cross arm is provided with a The isolating switch is connected to drive the lifting hook of the isolating switch, and the hook is installed on the end of the cross arm away from the vertical arm.

The above isolating switch lifting device, the vertical arm is rotatably installed on the bottom plate, the cross arm is installed on the top of the vertical arm, the cross arm is provided with a hook, and the isolating switch is hoisted on the hook to realize the lifting of the isolating switch, and Using the vertical arm rotation setting, the cross arm can be rotated with the vertical arm as the axis, so that the isolating switch can be moved in the horizontal direction, so that the isolating switch can be hoisted on the pillar, and the supporting mechanism is connected with the pillar through the retaining mechanism, and the supporting mechanism is supported by the pillar Provide support to effectively prevent dumping during hoisting. The isolation switch is hoisted by using the above-mentioned supporting mechanism and retaining mechanism, which reduces the volume and working space of the hoisting device, avoids the need to increase the scope of power failure, and improves the reliability of power supply. Compared with the way of building scaffolding to overhaul the isolating switch, it improves the working efficiency and reduces the labor load and safety risks.

In one embodiment, a rotating base is provided on the bottom plate, and the bottom of the vertical arm is rotatably mounted on the rotating base.

In one embodiment, the vertical arm includes at least two sub-vertical arms, and the adjacent sub-vertical arms can be lifted and lowered so that the height of the vertical arm can be adjusted.

In one of the embodiments, the adjacent sub-vertical arms are internally disassembled butted, and externally connected by flanges.

In one of the embodiments, the cross arm has an I-shaped structure.

In one embodiment, the support mechanism further includes an oblique arm, one end of the oblique arm is connected to the horizontal arm, and the other end is connected to the vertical arm.

In one of the embodiments, the retaining mechanism includes a first connecting rod and a first hoop that can be hooped on the pillar, one end of the first connecting rod is connected to the first hoop, and the other end It is rotatably mounted on the vertical arm.

In one embodiment, the first connecting rod is connected to the vertical arm through a bearing.

In one of the embodiments, the retaining mechanism further includes a second connecting rod and a second hoop that can be hooped at the bottom of the pillar, one end of the second connecting rod is connected to the second hoop, and another One end is connected with the bottom plate.

In one of the embodiments, the vertical arm is provided with an operating handle.

Description of drawings

Fig. 1 is a schematic structural view of a disconnector hoisting device in a preferred embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the first hoop of the isolating switch hoisting device shown in Fig. 1;

Fig. 3 is a structural schematic diagram of the second hoop of the hoisting device for the disconnector shown in Fig. 1 .

detailed description

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Fig. 1, Fig. 2 and Fig. 3, the isolating switch hoisting device in this preferred embodiment is used for hoisting isolating switch 30, and this hoisting device comprises supporting mechanism 10 and retaining mechanism 20, and retaining mechanism 20 one end can be connected with The pillar 320 is connected, wherein, the isolating switch 30 is installed on the pillar 320 through the isolating switch hoisting device. Support is provided to effectively prevent the support mechanism 10 from tipping over during hoisting. The support mechanism 10 includes a bottom plate 110, a vertical arm 120 and a cross arm 130. The vertical arm 120 is rotatably mounted on the bottom plate 110. The cross arm 130 is mounted on the top of the vertical arm 120. To drive the lifting hook 140 of the isolation switch 30, the hook 140 can be a gourd hook, and the hook 140 is installed on the end of the cross arm 130 away from the vertical arm 120, so as to realize the lifting of the isolation switch 30, and use the vertical arm 120 to rotate and set , the cross arm 130 can rotate with the vertical arm 120 as the axis, so that the isolating switch 30 can be moved in the horizontal direction, so that the isolating switch 30 is hoisted on the pillar 320 . Using the supporting mechanism 10 and the retaining mechanism 20 to complete the hoisting of the isolating switch 30 reduces the volume and working space of the hoisting device, avoids the need to increase the power failure range, and improves the reliability of power supply. Compared with the method of building a scaffold to inspect and repair the folding isolating switch 30, the operation efficiency is improved, and the labor load and safety risks are reduced.

The isolating switch hoisting device in this preferred embodiment is applicable to hoisting requirements of 110kV and 220kV foldable isolating switches 30 with a height of 4.5 meters and 5.5 meters. The support mechanism 10 can be made of 6-series aluminum alloy material. For example, high-strength, light-weight 6061 aluminum alloy material can be used to ensure the strength of the hoisting device. Small parts, easy to carry and reduce labor. Based on the advantages of light weight of each component, the staff can easily complete the assembly of the hoisting device with the aid of a ladder.

Preferably, the bottom plate 110 is provided with a rotating base 150 , and the bottom of the vertical arm 120 is rotatably mounted on the rotating base 150 . Specifically, the lower part of the rotating base 150 is fixed on the base plate 110 by screws, and the upper part of the rotating base 150 is screwed to the vertical arm 120, so that the vertical arm 120 is rotatably arranged on the base plate 110 through the rotating base 150. The base plate 110, the vertical The arm 120 and the cross arm 130 are connected to form a T-shaped structure. It can be understood that the swivel base 150 is optional, and it is enough to achieve the purpose of the vertical arm 120 being rotatably disposed on the bottom plate 110 .

Preferably, the vertical arm 120 includes at least two sub-vertical arms 122 , and the adjacent sub-vertical arms 122 can be raised and lowered so that the height of the vertical arm 120 can be adjusted to meet the hoisting requirements of the isolating switch 30 of different heights. Preferably, the adjacent sub-vertical arms 122 are internally disassembled butted, and the external parts are fastened through flanges 124 . During use, the sub-vertical arm 122 is first docked to the required height, and then fastened with flange 124 screws to meet the hoisting requirements of the disconnector 30 of different heights. The disassembly and assembly are convenient, the connection is stable, and the vertical arm 120 All subsections are coaxial as a whole, so as to prevent the vertical arm 120 from being stuck and unable to rotate when rotating.

Preferably, the cross arm 130 has an I-shaped structure, which enhances the stability of the cross arm 130 structure. Preferably, the supporting mechanism 10 further includes an oblique arm 160 , one end of the oblique arm 160 is connected to the cross arm 130 , and the other end is connected to the vertical arm 120 to form a triangular stable structure to ensure the support stability of the supporting structure for the isolating switch 30 . Prevent damage to equipment due to breakage during hoisting. Specifically, the oblique arm 160 can be welded to the cross arm 130 and the vertical arm 120 respectively.

Preferably, the retaining mechanism 20 includes a first connecting rod 210 and a first hoop 220 that can be sleeved on the pillar 320. One end of the first connecting rod 210 is connected to the first hoop 220, and the other end is rotatably installed on the vertical arm 120. In this way, on the basis of not hindering the rotation of the vertical arm 120 , the hoisting stability of the device is improved and the toppling is prevented. Preferably, the first connecting rod 210 is connected to the vertical arm 120 through a bearing 230 . By adopting the sleeve structure of the bearing 230, the first connecting rod 210 can be fixed on the vertical arm 120 without hindering the rotation of the vertical arm 120. The structure is simple and does not occupy a volume. Specifically, the end of the first connecting rod 210 for connecting with the vertical arm 120 may also be provided with a hoop, and the hoop is connected with the vertical arm 120 through the bearing 230 .

Preferably, the retaining mechanism 20 further includes a second link 240 and a second hoop 250 that can be hooped at the bottom of the pillar 320 . One end of the second link 240 is connected to the second hoop 250 , and the other end is connected to the bottom plate 110 . In this way, the first hoop 220 and the second hoop 250 are respectively connected to the upper and lower ends of the pillar 320 to provide support for the support mechanism 10 and prevent tipping during hoisting, which is safe and reliable.

Preferably, an operating handle 126 is disposed on the vertical arm 120 . It is convenient for staff to rotate the vertical arm 120 . An extension arm 128 can also be added to the operating end of the operating handle 126 to save labor.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A disconnector switch hoisting device for hoisting a disconnector switch, characterized in that the disconnector switch hoisting device comprises a support mechanism, and one end can be connected with a pillar for installing the disconnector switch, and the other end is installed on the retention mechanism on the support mechanism; The support mechanism includes a bottom plate, a vertical arm and a cross arm, the vertical arm is rotatably mounted on the bottom plate, the cross arm is mounted on the top of the vertical arm, and the cross arm is provided with a The isolating switch is connected to drive the lifting hook of the isolating switch, and the hook is installed on the end of the cross arm away from the vertical arm. 2. The hoisting device for a disconnector switch according to claim 1, wherein a rotating base is provided on the bottom plate, and the bottom of the vertical arm is rotatably mounted on the rotating base. 3. The isolating switch hoisting device according to claim 1, wherein the vertical arm comprises at least two sub-vertical arms, and the adjacent sub-vertical arms can be lifted and lowered so that the vertical arms Height adjustable. 4. The hoisting device for a disconnector according to claim 3, characterized in that, the adjacent sub-vertical arms are internally disassembled butted, and the external parts are fastened and connected by flanges. 5. The hoisting device for a disconnector switch according to claim 1, wherein the cross arm has an I-shaped structure. 6. The hoisting device for a disconnector according to claim 1, wherein the supporting mechanism further comprises an oblique arm, one end of the oblique arm is connected to the horizontal arm, and the other end is connected to the vertical arm . 7. The hoisting device for a disconnector according to claim 1, wherein the retaining mechanism includes a first connecting rod and a first hoop that can be hooped on the pillar, and one end of the first connecting rod It is connected with the first hoop, and the other end is rotatably installed on the vertical arm. 8. The hoisting device for a disconnector switch according to claim 7, wherein the first connecting rod is connected to the vertical arm through a bearing. 9. The disconnecting switch hoisting device according to claim 7, wherein the retaining mechanism further comprises a second connecting rod and a second hoop that can be hooped at the bottom of the pillar, and the second connecting rod One end is connected with the second hoop, and the other end is connected with the bottom plate. 10. The hoisting device for a disconnector according to any one of claims 1 to 9, wherein an operating handle is provided on the vertical arm.