CN202550338U - Mobile insulation track platform for live-line operation on transformer - Google Patents

Abstract

The utility model discloses a mobile insulating track platform for live work of substation equipment, which comprises a track, a supporting base, more than four insulating ladders, and an insulating platform. The supporting base is supported on the track and can slide along the track. The insulating ladders are respectively supported on the supporting bases, and an insulating platform is set on the upper part of the insulating ladders, and detachable movable connections are adopted between the rails, the supporting bases, more than 4 insulating ladders and the insulating platforms. The mobile insulated track platform of the substation equipment for live work of the utility model is easy to assemble as a whole, and the installation time is about 20 minutes. It adopts a track-type mobile design, which can adapt to the stable transfer of potential or choose the best working position in an uneven site; it adopts a trapezoidal shape. The structural platform bracket and support rods make the insulation platform stable and mobile performance more stable and safe; the rail-type insulation platform moves effectively solves the problem of insufficient combination distance and ensures the safety of operators entering and exiting the electric field.

Description

Mobile insulating track platform for live working of substation equipment

technical field

The utility model relates to an insulating platform for live work, in particular to a movable insulating track platform suitable for equipotential live work of substation equipment.

Background technique

In recent years, with the acceleration of the construction of Haixi Economic Zone in our province, the rapid growth of regional economic development and scale economy construction, the power consumption load in various places has increased sharply, and the overload operation of the power grid has appeared from time to time, which poses a threat to the safe operation of the power grid, especially for heavy-duty The safe operation of the load substation brings certain hidden dangers, and the overheating phenomenon of the connection line of the equipment in the station occurs from time to time due to overload operation. Therefore, it is particularly important to use live work methods to check the connection points of fastening equipment in a timely manner. However, the main means of live work in substations is to perform equipotential work with insulating ladders or ordinary insulating platforms. Due to the restriction of safety distance and combined distance, most of the workers in the operating point cannot enter the electric field, especially defects such as CT, PT, knife switch or pillar lead contact loosening, overheating, etc. cannot be dealt with in a timely and effective manner, thus affecting the substation equipment The live working rate and reliability.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art, and provide a path for transferring equipotential operators through the insulating track platform to enter and exit the electric field, so as to realize the combination distance of most equipment in 110-220kV substations. Potential work substation equipment live work mobile insulating track platform.

A mobile insulating track platform for live work of substation equipment, the key points of its structure are: including a track, a support base, more than 4 insulating ladders, and an insulating platform, the support base is supported on the track and can slide along the track, and more than 4 supports The insulating ladders are respectively supported on the supporting bases, and an insulating platform is set on the upper part of the insulating ladders, and detachable movable connections are adopted between the rails, the supporting bases, more than 4 insulating ladders and the insulating platforms.

The mobile insulating track platform for live work of substation equipment with this structure, when in use, install the track under the equipment to be overhauled, and then install the supporting base, more than 4 insulating ladders, and insulating platforms in sequence, and equipotential operators along the insulating The ladder reaches the insulating platform, and by moving the support base, the equipotential workers can enter the electric field to work.

The sliding of the support base on the track is that the lower part of the support base is provided with rollers rolling along the track.

The two ends of the track are provided with limiting devices that limit the support base from sliding out of the track.

The said limiting device is provided with a stopper or a limiting bar in the running direction of the supporting base on the track.

The lower part of the support base is provided with a locking device to prevent the support base from deviating from the track.

The locking device may be provided with two positioning strips extending downwards and arranged side by side under the supporting base, and the two positioning strips are respectively clamped on the inner and outer sides of the track.

The locking device may be provided with a downwardly extending positioning bar under the support base, and the positioning bar is fixed on the track with a connecting piece that can slide relative to the track.

The connecting piece is either a threaded connecting piece or a bolt.

The track is made of channel-shaped steel with the opening facing the side.

On the upper surface of the support base, an upwardly extending guardrail that can prevent the insulating ladder from sliding out is provided on the outer side for supporting the insulating ladder.

The insulating ladders arranged symmetrically in pairs are arranged together in the form of "herringbone", and the two oppositely arranged insulating ladders are connected together by connecting rods, and the connecting rods and the two insulating ladders are detachably connected. .

The detachable movable connection between the above-mentioned components is connected by fastening joints.

The components of the insulation ladder are detachable and movable connections.

The two columns of the detachable movable connection insulation ladder are composed of multi-section pipes, and the pins inserted into the inner chambers of the two pipes are used to connect the two adjacent pipes together, and the connected pipes are then connected. to position it.

The cross bar and the column of the insulating ladder are connected by joint connectors.

The live working mobile insulating track platform of the substation equipment further includes sleepers, and the sleepers are laid under the track to support the track.

The adjustable fixed splint design is adopted between the sleeper and the track. The adjustable fixed splint includes an adjustable nut screw adjustment device. The fixed splint is fixed on the nut. There is a support foot at the lower end of the screw rod, and the track is installed on the fixed splint. .

The track is also a spliced track.

The track adopts splicing type, which is convenient for transportation and loading and unloading, and flexible for installation and operation.

A protective fence is arranged on the outer periphery of the insulating platform.

The mobile insulating track platform for live working of substation equipment also includes a suspended auxiliary insulating ladder.

The suspended auxiliary insulating ladder is an effective supplement to the working height of the platform, and can meet the live maintenance operations of substation equipment with different structures and heights. Especially in the case of complicated equipment wiring in substations, operators can The working position or height is shifted through the insulating auxiliary ladder to improve the effective working range.

In summary, the utility model has the following advantages compared with the prior art:

The mobile insulated track platform of the substation equipment for live work of the utility model is easy to assemble as a whole, and the installation time is about 20 minutes. It adopts a track-type mobile design, which can adapt to the stable transfer of potential or choose the best working position in an uneven site; it adopts a trapezoidal shape. The structural platform bracket and support rods make the insulation platform stable and mobile performance more stable and safe; the rail-type insulation platform moves effectively solves the problem of insufficient combination distance and ensures the safety of operators entering and exiting the electric field.

Description of drawings

Figure 1 is a schematic diagram of the structure of the mobile insulating track platform for live work of substation equipment according to an embodiment of the utility model.

Figure 2 is a schematic diagram of the cooperation between the support base and the track.

Figure 3 is a schematic diagram of the structure of two insulating ladders fixed by connecting rods.

Figure 4 is a schematic diagram of the connection structure between the pipes between the columns of the insulation ladder.

DESCRIPTION OF SYMBOLS 1 Rail 11 Limiting device 2 Supporting base 21 Roller 22 Locking device 23 Guardrail on the surface of supporting base 3 Insulating ladder 31 Connecting rod 4 Insulating platform 5 Fastening joint 6 Crossties 7 Guardrail.

Detailed ways

Below in conjunction with embodiment the utility model is described in more detail.

Example 1

A mobile insulated track platform for live work of substation equipment as shown in Figure 1-4, including a track 1, a support base 2, an insulating ladder 3 with more than 4 frames, and an insulating platform 4. The support base is supported on the track and can move along the The track slides, the 4 insulating ladders are respectively supported on the supporting base, and the insulating platform is set on the upper part of the insulating ladder, and the rails, the supporting base, the 4 insulating ladders and the insulating platform adopt detachable movable connections. The sliding of the support base on the track is that the bottom of the support base is provided with a roller 21 rolling along the track. Limiting devices 11 for limiting the support base to slide out of the track are provided at both ends of the track. The said limiting device or the running direction of the support base on the track is provided with a stopper. The bottom of the support base is provided with a locking device 22 that prevents the support base from deviating from the track. In the locking device, a downwardly extending positioning bar is provided under the support base, and the positioning bar is fixed on the track with a connecting piece that can slide relative to the track. The track is made of channel steel. On the upper surface of the support base, an upwardly extending guardrail 23 that can prevent the insulating ladder from sliding out is provided on the outer side for supporting the insulating ladder. The two pairs of symmetrically arranged insulating ladders are arranged together in the form of "herringbone", and the two oppositely arranged insulating ladders are connected together by connecting rods 31, and the connecting rod and the two insulating ladders are detachable. connect. The detachable and movable connection between the above-mentioned components is connected by fastening joints 5 . The components of the insulation ladder are detachable and movable connections. The two columns of the detachable movable connection insulation ladder are composed of multi-section pipes, and the pins inserted into the inner chambers of the two pipes are used to connect the two adjacent pipes together, and the connected pipes are then connected. to position it. The cross bar and the column of the insulating ladder are connected by joint connectors. The mobile insulation track platform for live work of substation equipment also includes 6 sleepers, and the sleepers are laid under the track to support the track. The adjustable fixed splint design is adopted between the sleeper and the track. The adjustable fixed splint includes an adjustable nut screw adjustment device. The fixed splint is fixed on the nut. There is a support foot at the lower end of the screw rod, and the track is installed on the fixed splint. . The track is also a spliced track. A protective fence 7 is arranged on the outer periphery of the insulating platform. The mobile insulating track platform for live working of substation equipment also includes a suspended auxiliary insulating ladder.

The parts not described in this embodiment are the same as the prior art.

Claims (10)

1. the insulated track platform is moved in a converting equipment live line working; It is characterized in that: comprise track, base for supporting, the insulating ladder more than 4, insulated platform; Base for supporting supports in orbit and can slide along the track; Insulating ladder more than 4 is supported on respectively on the base for supporting, on the top of insulating ladder insulated platform is set, and adopts dismountable flexible connection between track, base for supporting, the insulating ladder more than 4 and the insulated platform.

2. the insulated track platform is moved in converting equipment live line working according to claim 1, it is characterized in that: base for supporting slip in orbit is for being provided with the roller that rolls along track in the bottom of base for supporting.

3. the insulated track platform is moved in converting equipment live line working according to claim 2, it is characterized in that: be provided with the stopping means that the restriction base for supporting skids off track at the both ends of track.

4. the insulated track platform is moved in converting equipment live line working according to claim 3, it is characterized in that: described stopping means or on the traffic direction of base for supporting block is set in orbit, perhaps positive stop strip.

5. the insulated track platform is moved in converting equipment live line working according to claim 4; It is characterized in that: be provided with the locking device that prevents that base for supporting from de-orbiting in the bottom of base for supporting; Described self-locking device or for below base for supporting, to be provided with to two positioning strips that are set up in parallel that extend below, two positioning strips are stuck in the interior outside of track; Described locking device or for the below of base for supporting is provided with to the positioning strip that extends below, but positioning strip is fixed on the track with what the connector relative orbit slided.

6. the insulated track platform is moved in converting equipment live line working according to claim 5, it is characterized in that: the upper surface at base for supporting has the upwardly extending guardrail that prevents that insulating ladder from skidding off in the arranged outside that is used for the support edge ladder.

7. the insulated track platform is moved in converting equipment live line working according to claim 6; It is characterized in that: the described insulating ladder of arranging symmetric arrays in twos adopts the form of " people " font to be arranged in together; The two relative insulating ladders of arranging adopt connecting rod to link together, and are detachable flexible connection between connecting rod and two insulating ladders.

8. the insulated track platform is moved in converting equipment live line working according to claim 7, it is characterized in that: be detachable flexible connection between each parts of described insulating ladder.

9. the insulated track platform is moved in any one described converting equipment live line working according to claim 1 to 8; It is characterized in that: described converting equipment live line working is moved the insulated track platform and is also comprised sleeper; The below that described sleeper is laid on track is used for supporting track; Adopt adjustable strap design between sleeper and the track, this adjustable strap includes adjustable nut screw mandrel adjusting device, and strap is fixed on the nut; Lower end at screw mandrel is provided with spike, and track is installed on the strap.

10. the insulated track platform is moved in converting equipment live line working according to claim 9, it is characterized in that: the periphery at insulated platform is provided with guard rail.

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