CN206057495U - High voltage electric equipment pressure test assistance platform - Google Patents

Abstract

The utility model discloses a kind of high voltage electric equipment pressure test assistance platform, including the removable floor module, some telescoping shoring column modules, insulation siphunculus stuck-module that are connected with this from bottom to top；Removable floor module includes base plate；Each telescoping shoring column module includes sliding supporting bar, hydraulically extensible bar, upper and lower two gripper shoe；The shape of upper and lower two gripper shoe is identical with base plate；Both sides difference two sliding supporting bars of chain connection of lower supporting plate near end, middle part chain connection hydraulically extensible bar of the lower supporting plate near the other end；Two sliding supporting bars and hydraulically extensible bar are interwoven and be connected with upper backup pad；Insulation siphunculus stuck-module includes fixed plate；The shape of fixed plate is identical with base plate, and in fixed plate, Middle face is provided with holder.This utility model exactly employs said structure, can conveniently, safety test lead or other test connectors caused into equipment under test from Withstand test device.

Description

Auxiliary platform for withstand voltage test of high-voltage electrical equipment

technical field

The utility model relates to the technical field of withstand voltage test of electrical equipment in electric power system substations, in particular to an auxiliary platform for withstand voltage test of high-voltage electrical equipment.

Background technique

After the electrical equipment such as high-voltage power distribution devices or high-voltage cables in the substation is laid and installed on site, a withstand voltage test is often performed before it is put into operation, so as to ensure the withstand voltage performance and insulation level of the equipment. Land resources in large and medium-sized cities are tight, especially the substations in the urban area have a small area of land, and the layout of the substation is very compact. Usually, if it is an indoor substation, the floor height of the substation may also be limited, which often results in GIS combined electrical appliances (a high-voltage power distribution system) device) room withstand voltage test does not meet the requirements of the electrified distance, and it is necessary to improve the withstand voltage test scheme. The more practical method currently adopted is to arrange the withstand voltage test device outdoors.

In this case, if the old outdoor substation is to be renovated, the possibility of expansion in the later period is often not considered in the initial construction of the substation infrastructure, and the land is very tight, and there is not much reserved space on site. At this time, GIS combined electrical appliances Or the withstand voltage test of the cable terminal, etc. is also a problem, and the withstand voltage test device needs to be placed at a distance.

Therefore, continue to develop an auxiliary tool that can lead the test lead of the withstand voltage test device to the equipment under test for the withstand voltage test.

Utility model content

In view of the above-mentioned defects of the prior art, the utility model provides an auxiliary platform for withstand voltage testing of high-voltage electrical equipment. One of the purposes achieved is to be able to lead the test leads of the withstand voltage test device to the equipment to be tested for the withstand voltage test.

In order to achieve the above purpose, the utility model provides an auxiliary platform for withstand voltage tests of high-voltage electrical equipment, including a movable base plate module, a number of retractable bracket modules, and an insulating through-pipe fixing module;

Wherein, the movable floor module includes a floor;

The bottom plate is rectangular, and bottom plate mounting holes are provided at the four corners of the bottom plate;

Each of the telescopic support modules includes a sliding support rod, a hydraulic telescopic rod, an upper support plate, and a lower support plate;

The shape of the upper support plate and the lower support plate is the same as that of the bottom plate, and the four corners of the upper support plate and the lower support plate are provided with mounting holes for the support plate;

The two sides of the lower support plate close to the end are respectively hinged to the two sliding support rods, and the middle part of the lower support plate close to the other end is hinged to the hydraulic telescopic rod;

The two sliding support rods and the hydraulic telescopic rods are arranged alternately and connected with the upper support plate;

The upper support plate is provided with sliding grooves on both sides corresponding to one end of the hinge connection between the lower support plate and the hydraulic telescopic rod, and the other end of the sliding support rod is arranged in the sliding groove;

The other end of the sliding support rod performs reciprocating motion and rotary motion in the sliding groove;

The middle part of the upper support plate corresponding to one end of the lower support plate hinged to the sliding support rod is hinged to the other end of the hydraulic telescopic rod;

The insulating duct fixing module includes a fixing plate;

The shape of the fixed plate is the same as that of the bottom plate, the four corners of the fixed plate are provided with mounting holes for the fixed plate, and the upper middle part of the fixed plate is provided with a retainer;

The movable bottom plate module and the telescopic bracket module are detachably and fixedly connected by the bottom plate installation hole and the support plate installation hole;

The plurality of telescopic bracket modules are detachably and fixedly connected by means of the mounting holes of the two adjacent upper and lower support plates that are in contact with each other;

The telescopic support module and the insulating through-pipe fixing module are detachably and fixedly connected by means of the mounting holes of the support plate and the mounting holes of the fixing plate.

The utility model just adopts the above-mentioned structure, which can conveniently and safely lead test lead wires or other test connectors from the withstand voltage test device to the equipment to be tested.

Preferably, moving wheels are provided under the bottom plate.

In order to move quickly, moving wheels can be set under the bottom plate.

Preferably, the moving wheels are detachably connected to the bottom plate.

Preferably, the hydraulic telescopic rod is provided with a handle.

Preferably, cross-shaped bolt grooves are provided on the fixer.

The cross-shaped bolt groove can be used to install the post insulator, and can also be used to fix the SF6 insulating through-pipe support.

Preferably, the bolt groove is 25mm wide.

Preferably, the fixer is provided with a through groove with a semicircular cross section.

The semicircular through groove can be used to support the SF6 insulating through pipe.

Preferably, the radius of the semicircle in the cross section of the through groove is 300mm.

The beneficial effects of the utility model:

1. The utility model can conveniently and safely lead test lead wires or other test connectors from the withstand voltage test device to the equipment to be tested.

2. The telescopic support module of the utility model can be vertically telescopic, and each telescopic support module can be disassembled, which is convenient for adjusting the limit height of the support.

The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.

Description of drawings

Fig. 1 shows a schematic structural diagram of a movable floor module in an embodiment of the present invention.

FIG. 2 shows a schematic view of the structure in direction A in FIG. 1 .

Fig. 3 shows a schematic diagram of the structure of the telescopic support module in an embodiment of the present invention.

FIG. 4 shows a schematic view of the structure in direction B in FIG. 3 .

Fig. 5 is a schematic diagram showing the structure of the insulating through pipe fixing module with cross-shaped bolt grooves provided on the fixing device in an embodiment of the present invention.

Fig. 6 is a schematic diagram of the structure of the insulating through pipe fixing module in which the fixer is provided with a through groove with a semicircular cross section in an embodiment of the present invention.

FIG. 7 is a schematic structural view of a fixture with a through slot in an embodiment of the present invention.

Fig. 8 is a schematic diagram showing the installation of the movable floor module, several telescopic bracket modules and the insulating through-pipe fixing module in an embodiment of the present invention.

Fig. 9 shows a schematic view of the use state of the test lead wires supported by the post insulators in an embodiment of the present invention.

Fig. 10 shows a schematic diagram of the use state of the SF6 insulating through-pipe supported by a fixture in an embodiment of the present invention.

detailed description

Example

As shown in FIG. 8 , an auxiliary platform for withstand voltage tests of high-voltage electrical equipment includes a movable base plate module 1 , a number of retractable support modules 2 , and an insulating through-pipe fixing module 3 .

As shown in FIG. 1 and FIG. 2 , the movable base plate module 1 includes a base plate 11 ; the base plate 11 is rectangular, and base plate installation holes 12 are provided at the four corners of the base plate 11 .

As shown in Figures 3 and 4, each telescopic support module 2 includes a sliding support rod 21, a hydraulic telescopic rod 25, a lower support plate 22, and an upper support plate 22'; the lower support plate 22, the upper support plate 22' The shape is the same as that of the bottom plate 11 , and the four corners of the lower support plate 22 and the upper support plate 22 ′ are provided with support plate installation holes 23 .

The two sides of the lower support plate 22 close to the end are hinged to connect the two sliding support rods 21 respectively, and the middle part of the lower support plate 22 close to the other end is hinged to the hydraulic telescopic rod 25 .

Two sliding support rods 21 and hydraulic telescopic rods 25 are interlaced with each other and connected with upper support plate 22'.

The upper support plate 22' is provided with a sliding groove 23 on both sides of one end corresponding to the lower support plate 22 and the hydraulic telescopic rod 25 hinge connection, and the other end of the sliding support rod 21 is arranged in the sliding groove 28; the other end of the sliding support rod 21 is sliding Do reciprocating motion and rotary motion in the groove 28.

The middle part of one end of the upper support plate 22' corresponding to the lower support plate 22 and the sliding support rod 21 is hingedly connected with the other end of the hydraulic telescopic rod 25.

As shown in FIG. 5 and FIG. 6 , the insulating through pipe fixing module 3 includes a fixing plate 31 ; the shape of the fixing plate 31 is the same as that of the bottom plate 11 .

The four corners of the fixing plate 31 are equipped with fixing plates, which can be suitable for supporting bare wires or GIL SF6 insulated pipes. The support is reserved with a post insulator interface and a GIL support module interface. The support can be vertically telescopic, and each telescopic module can be Disassemble, easy to adjust the limit height of the bracket. Mounting holes 23 are connected with bolts.

Between some telescopic bracket modules 2, the support plate mounting holes 23 of two adjacent upper and lower support plates 22, 22' that are in contact with each other are connected with bolts.

The telescopic bracket module 2 and the insulating through pipe fixing module 3 are connected by bolts through the support plate mounting holes 23 and the fixing plate mounting holes 32.

In actual use, it can be suitable for supporting bare wires or GIL SF6 insulated pipes. The bracket can be vertically telescopic, and each telescopic module can be disassembled, which is convenient for adjusting the limit height of the bracket.

As shown in FIG. 2 , moving wheels 13 are arranged under the bottom plate 11 .

In order to move quickly, moving wheels 13 can be set below the base plate.

In some preferred embodiments, the moving wheel 13 can also be set to be detachable, so as to meet the needs of various situations.

As shown in FIG. 3 , the hydraulic telescopic rod 25 is provided with a handle 24 .

Hydraulic telescopic rod 25 is a kind of existing technology, realizes by arranging two connecting rods at the two ends of a hydraulic cylinder with a handle, controls the expansion and contraction of the hydraulic cylinder piston by rotating the handle, thus changes the overall length.

As shown in FIG. 5 , a cross-shaped bolt groove 33 is provided on the fixture.

The bolt groove 33 is used to adapt to the footings of post insulators of different specifications and models and the SF6 through-pipe insulation through-pipe support for fixing.

The fixing bolts of the insulator can move in the bolt groove, and the inner wall of the groove is required to be flat and smooth.

The cross-shaped bolt groove can be used to install the post insulator, and can also be used to fix the SF6 insulating through-pipe support.

As shown in Figures 6 and 7, a through groove 34 with a semicircular cross section is provided on the fixer.

The semi-circular through slot can be used to support the SF6 insulating through pipe.

In some preferred embodiments, the radius of the semicircle in the cross section of the through groove 34 is 300 mm.

As shown in Figure 9, in actual use, the utility model is arranged between the withstand voltage test device and the high-voltage electrical equipment, and the test lead is supported by the post insulator installed on the utility model, so as to solve the existing Many substations with narrow spaces in the technology have the problem that the withstand voltage test of the GIS combined electrical room does not meet the requirements of the live distance.

As shown in Fig. 10, in actual use, the utility model is arranged on, the withstand voltage test device is outside the substation wall, and the fixer with the through groove 34 on the insulation through pipe fixing module 3 is used to fix the SF^ insulation channel, so as to This solves the problem in the prior art that the withstand voltage test of the GIS combined electrical appliance room of many substations with narrow spaces does not meet the requirements of the electrified distance.

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .

Claims (8)

1. An auxiliary platform for withstand voltage tests of high-voltage electrical equipment, characterized in that it includes a movable base plate module (1), a plurality of scalable support modules (2), and an insulating through-pipe fixing module (3); The movable base plate module (1) includes a base plate (11); the base plate (11) is rectangular, and base plate mounting holes (12) are provided at the four corners of the base plate (11); Each of the telescopic support modules (2) includes a sliding support rod (21), a hydraulic telescopic rod (25), a lower support plate (22), an upper support plate (22 ′); the lower support plate (22) 1. The shape of the upper support plate (22') is the same as that of the base plate (11), and the four corners of the lower support plate (22) and the upper support plate (22') are provided with support plate mounting holes (23 ); the two sides of the lower support plate (22) near the end are hinged to connect two described sliding support rods (21), and the middle hinge of the lower support plate (22) near the other end is connected to the hydraulic telescopic rod (25 ); the two sliding support rods (21) are respectively interlaced with the hydraulic telescopic rods (25) and connected with the upper support plate (22'); the upper support plate (22') corresponds to the A slide groove (23) is provided on both sides of the hinge connection end of the lower support plate (22) and the hydraulic telescopic rod (25), and the other end of the slide support rod (21) is arranged in the slide groove (28) The other end of the sliding support rod (21) performs reciprocating motion and rotary motion in the sliding groove (28); the upper supporting plate (22') corresponds to the lower supporting plate (22) and the sliding The middle part of one end of the support rod (21) is hingedly connected with the other end of the hydraulic telescopic rod (25); The insulating duct fixing module (3) includes a fixing plate (31); the shape of the fixing plate (31) is the same as that of the bottom plate (11), and the four corners of the fixing plate (31) are positioned at There is a fixing plate mounting hole (32), and the middle part of the fixing plate (31) is provided with a fixer; The movable floor module (1) and the telescopic support module (2) are detachably and fixedly connected by means of the floor mounting hole (12) and the support plate mounting hole (23); The support plate installation holes (23) of the two adjacent lower support plates (22) and the upper support plate (22') that are in contact with each other can be used between the several telescopic support modules (2). Disconnect the connection; The telescopic bracket module (2) and the insulating through pipe fixing module (3) are detachably connected via the support plate mounting hole (23) and the fixing plate mounting hole (32). 2. The auxiliary platform for withstand voltage test of high-voltage electrical equipment according to claim 1, characterized in that, moving wheels (13) are arranged under the bottom plate (11). 3. The auxiliary platform for withstand voltage tests of high-voltage electrical equipment according to claim 2, characterized in that the moving wheels (13) are detachably connected to the bottom plate (11). 4. The auxiliary platform for withstand voltage test of high-voltage electrical equipment according to claim 1, characterized in that, the hydraulic telescopic rod (25) is provided with a handle (24). 5 . The auxiliary platform for withstand voltage test of high-voltage electrical equipment according to claim 1 , characterized in that a cross-shaped bolt groove ( 33 ) is provided on the fixer. 6 . 6. The auxiliary platform for withstand voltage test of high-voltage electrical equipment according to claim 5, characterized in that, the bolt groove (33) has a width of 25 mm. 7 . The auxiliary platform for withstand voltage test of high-voltage electrical equipment according to claim 1 , characterized in that, a through groove ( 34 ) with a semicircular cross-section is provided on the fixer. 7 . 8. The auxiliary platform for withstand voltage test of high-voltage electrical equipment according to claim 7, characterized in that, the radius of the semicircle in the cross section of the through groove (34) is 300 mm.