CN214673867U

CN214673867U - Auxiliary device for disassembling and installing mutual inductor in control cabinet of transformer substation

Info

Publication number: CN214673867U
Application number: CN202120379263.3U
Authority: CN
Inventors: 张国恒
Original assignee: State Grid Henan Electric Power Company Xiangcheng Power Supply Co
Current assignee: State Grid Henan Electric Power Company Xiangcheng Power Supply Co
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-11-09
Anticipated expiration: 2031-02-20

Abstract

The utility model relates to an auxiliary device for disassembling and installing a mutual inductor in a transformer substation control cabinet, wherein the lower end of a horizontal jack is provided with a roller wheel, the upper end of the horizontal jack is provided with a lifting control and a supporting head, a lifting handle is inserted in the lifting control, the supporting head is provided with a connecting piece, and the upper end of the connecting piece is provided with a connecting groove; the placing part comprises a connecting block, an expansion sleeve and a placing plate, a clamping block is arranged at the lower end of the connecting block, the upper end of the connecting block is connected with the expansion sleeve, the expansion sleeve comprises a bottom plate, a top plate, an outer pipe, an inner pipe and a limiting screw, the lower end of the outer pipe is fixedly connected with the connecting block through the bottom plate, an opening is formed in the upper end of the outer pipe, a plurality of limiting holes a are formed in the outer pipe, the upper end of the inner pipe is connected with a supporting block through the top plate, the lower end of the inner pipe is located in the outer pipe and provided with a limiting hole b, the limiting screw sequentially penetrates through the limiting holes a and the limiting holes b, a supporting plate is arranged at the upper end of the supporting block, and the placing plate is arranged at the upper end of the supporting plate through the fixing screw; the utility model has the advantages of reasonable structure, good applicability and convenient installation and adjustment operation.

Description

Auxiliary device for disassembling and installing mutual inductor in control cabinet of transformer substation

Technical Field

The utility model belongs to the technical field of supplementary mounting tool, concretely relates to mutual-inductor dismantles and installs and uses auxiliary device in transformer substation's switch board.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current, so that the device is used for measuring or protecting a system, and is indispensable electrical equipment in a power supply and power consumption circuit of a transformer substation; however, when the existing mutual inductor is damaged and needs to be disassembled and replaced in the using process, the mutual inductor has heavier weight and narrower installation space inside the control cabinet, and the disassembling and installing operations of the mutual inductor are labor-consuming, time-consuming and very troublesome; therefore, in order to solve the above problems, it is necessary to develop an auxiliary device for detaching and installing a transformer in a control cabinet of a transformer substation, which has a reasonable structure, good applicability and convenient detachment, installation and adjustment operations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, and provide a rational in infrastructure, the suitability is good and dismouting and adjust auxiliary device for installation is dismantled to mutual-inductor in the control cabinet of transformer substation of simple operation.

The purpose of the utility model is realized like this: an auxiliary device for dismounting and mounting a mutual inductor in a control cabinet of a transformer substation comprises a horizontal jack and a placing piece, wherein two ends of the lower surface of the horizontal jack are respectively provided with a roller wheel, one end of the upper surface is provided with a lifting control, the other end of the upper surface is connected with a supporting head, a lifting handle is detachably inserted in the lifting control, the upper end of the supporting head is fixedly provided with a connecting piece, and the center of the upper surface of the connecting piece is provided with a connecting groove; the placing part is positioned at the upper end of the horizontal jack and comprises a connecting block, a telescopic sleeve and a placing plate, a clamping block matched with the connecting groove structure is arranged at the center of the lower end of the connecting block, the upper end of the connecting block is fixedly connected with the telescopic sleeve, the telescopic sleeve comprises a bottom plate, a top plate, an outer tube, an inner tube and a limiting screw, the lower end of the outer tube is fixedly connected with the connecting block through the bottom plate, an opening is formed in the upper end of the outer tube, a plurality of limiting holes a are uniformly formed in the outer surface of the outer tube along the length direction of the outer tube, a supporting block is connected to the upper end of the inner tube through the top plate, the lower end of the inner tube is positioned in the outer tube through the opening end of the outer tube, a limiting hole b is formed in the lower end of the outer surface of the inner tube, the limiting screw sequentially penetrates through the limiting holes a and the limiting holes b to realize limiting connection between the outer tube and the inner tube, a supporting plate is fixedly arranged at the upper end of the supporting block, and the placing plate is positioned at the upper end of the supporting plate, and is fixedly connected with the supporting plate through a fixing screw.

The middle position of the upper surface of the placing plate is fixedly provided with a rubber anti-slip layer.

The fixing screw is a hexagon socket head screw, a circular groove is formed in the contact position of the upper surface of the placing plate and the screw head end of the fixing screw, and the depth of the groove is larger than the thickness of the screw head end of the fixing screw.

The two sides of the supporting block are symmetrically provided with reinforcing plates which are of a right-angled triangle structure, and two right-angled sides of the reinforcing plates are fixedly connected with the lower surface of the supporting plate and the outer side surface of the supporting block respectively.

The middle positions of the two ends of the placing plate are respectively provided with a hanging groove and a hanging hole, a winding column is arranged in the hanging groove in a rotating mode, an elastic limiting rope is wound outside the winding column, one end of the elastic limiting rope is fixedly connected with the winding column, and the other end of the elastic limiting rope is connected with a hook.

The spread groove is square groove structure, the structure of fixture block is the cuboid structure with spread groove structure matched with.

The utility model has the advantages that: the utility model discloses a set up horizontal jack, lift accuse, support head, lift handle, connecting block, fixture block, connecting piece and spread groove, during the use, through reciprocal lifting handle that pushes down, can drive the reciprocating motion of lift accuse to drive support head vertical direction displacement from top to bottom, at this moment, utilize the cooperation between fixture block and the spread groove to be connected, can realize being connected between connecting block and the connecting piece, thereby utilize support head vertical direction's upper and lower displacement, drive connecting block, connecting piece and place the whole upper and lower displacement of piece, realize the utility model discloses the regulation of height when using increases its suitability; meanwhile, the utility model discloses a set up outer tube, inner tube, spacing screw, spacing hole a and spacing hole b, when using, through changing spacing hole b and spacing screw and the cooperation connection of spacing hole a of co-altitude not, can realize the regulation to the whole length of telescopic tube, and then through the regulation to placing the whole length of piece, realize adjusting the height of placing the board, thereby increase the utility model discloses adjust the convenience and the suitability of operation, the utility model discloses through setting up the reinforcing plate, utilize the reinforcing plate, can increase the stability of being connected between supporting shoe and the backup pad, through setting up the recess, utilize the recess can avoid because of the spiral shell head end of fixed screw outburst outside placing the board, and cause the problem of influence to placing of mutual-inductor; the mutual inductor at the upper end of the placing plate can be limited to a certain extent by arranging the hanging groove, the hanging hole, the elastic limiting rope and the hook, utilizing the matching connection between the hook and the hanging hole and the elastic limiting effect of the elastic limiting rope, so that the stability of the mutual inductor before installation and after disassembly when the mutual inductor is placed on the placing plate is improved; generally, the utility model has the advantages of rational in infrastructure, the suitability is good and installation and regulation simple operation.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a sectional view of a front view of the connection block and the connection member according to the present invention.

Fig. 3 is a sectional view of the front view of the middle telescopic tube of the present invention.

Fig. 4 is a top view of the placing plate of the present invention.

In the figure: 1. the horizontal jack comprises a horizontal jack 2, a placing part 21, a connecting block 22, an expansion sleeve 221, a bottom plate 222, a top plate 223, an outer pipe 224, an inner pipe 225, a limiting screw 226, a limiting hole a 227, a limiting hole b 23, a placing plate 231, a groove 232, a hanging groove 233, a hanging hole 234, an elastic limiting rope 235, a hook 24, a fixture block 25, a support block 26, a support plate 27, a fixing screw 28, a rubber anti-slip layer 29, a reinforcing plate 3, a roller 4, a lifting controller 5, a support head 6, a lifting handle 7, a connecting part 71 and a connecting groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example (b): as shown in fig. 1, 2, 3 and 4, an auxiliary device for dismounting and mounting a transformer in a transformer substation control cabinet comprises a horizontal jack 1 and a placing part 2, wherein two ends of the lower surface of the horizontal jack 1 are respectively provided with a roller 3, one end of the upper surface is provided with a lifting controller 4, the other end of the upper surface is connected with a supporting head 5, a lifting handle 6 is detachably inserted in the lifting controller 4, the upper end of the supporting head 5 is fixedly provided with a connecting piece 7, and the center of the upper surface of the connecting piece 7 is provided with a connecting groove 71; the placing part 2 is positioned at the upper end of the horizontal jack 1 and comprises a connecting block 21, an expansion sleeve 22 and a placing plate 23, a clamping block 24 structurally matched with the connecting groove 71 is arranged at the center of the lower end of the connecting block 21, the upper end of the connecting block is fixedly connected with the expansion sleeve 22, the expansion sleeve 22 comprises a bottom plate 221, a top plate 222, an outer pipe 223, an inner pipe 224 and a limiting screw 225, the lower end of the outer pipe 223 is fixedly connected with the connecting block 21 through the bottom plate 221, an opening is formed in the upper end of the outer pipe 223, a plurality of limiting holes a226 are uniformly formed in the outer surface of the outer pipe 223 along the length direction of the outer pipe, a supporting block 25 is connected to the upper end of the inner pipe 224 through the top plate 222, the lower end of the inner pipe is positioned in the outer pipe 223 through the opening end of the outer pipe 223, a limiting hole b227 is formed in the lower end of the outer surface of the inner pipe 224, the limiting screw 225 is sequentially arranged in the limiting holes a226 and the limiting hole b227, so as to realize the limiting connection between the outer pipe 223 and the inner pipe 224, the upper end of the supporting block 25 is fixedly provided with a supporting plate 26, and the placing plate 23 is positioned at the upper end of the supporting plate 26 and is fixedly connected with the supporting plate 26 through a fixing screw 27.

The middle position of placing the board 23 upper surface is fixed and is provided with rubber skid resistant course 28, utilizes rubber inoxidizing coating 28 multiplicable mutual inductor and places the frictional force between the board 23 to increase the mutual inductor and placing the stability of board 23 upper end when placing, the middle position of placing board 23 both ends is provided with hanging groove 232 and hanging hole 233 respectively, the hanging groove 232 internal rotation is provided with the winding post, and the outside winding of winding post has elasticity spacing rope 234, elasticity spacing rope 234 one end and winding post fixed connection, the other end are connected with couple 235, utilize the cooperation between couple 235 and the hanging hole 233 to be connected to and the elasticity spacing effect of elasticity spacing rope 234, can play certain limiting displacement to the mutual inductor that is located placing the board 23 upper end, thereby increase the mutual inductor before the installation and dismantle the stability when placing on the board 23 after.

The fixing screws 27 are hexagon socket head cap screws, circular grooves 231 are formed in the contact positions of the upper surfaces of the placing plates 23 and the screw ends of the fixing screws 27, the depth of each groove 231 is larger than the thickness of the screw end of each fixing screw 27, and by adopting the structure, the problem that the mutual inductor is placed in a mode that the screw ends of the fixing screws 27 protrude out of the placing plates 23 is solved; reinforcing plates 29 are symmetrically arranged on two sides of the supporting block 25, the reinforcing plates 29 are in a right-angled triangle structure, two right-angled sides of the reinforcing plates 29 are fixedly connected with the lower surface of the supporting plate 26 and the outer side surface of the supporting block 25 respectively, and the reinforcing plates 29 are utilized to increase the connection stability between the supporting block 25 and the supporting plate 26; connecting groove 71 is square groove structure, fixture block 24's structure be with connecting groove 71 structure matched with cuboid structure, adopt this structure, can avoid because of taking place relative rotation between fixture block 24 and the connecting groove 71, and right the utility model discloses an use the problem that causes the influence.

The utility model discloses when using, at first, be connected through the cooperation between fixture block 24 and the spread groove 71, realize being connected between connecting block 21 and the connecting piece 7, thereby realize horizontal jack 1 and place being connected between 2, then, according to the height of waiting to dismantle the mutual-inductor, be connected through the cooperation that changes spacing hole b227 and spacing screw 225 and spacing hole a226 of co-altitude not, adjust telescopic tube 22's whole length, thereby realize the regulation to placing 23 height of board, adjust the operation and accomplish the back, promote horizontal jack 1, utilize gyro wheel 3 to drive horizontal jack 1 and place 2 integrated movement to the inside mutual-inductor of switch board under, finally, through reciprocal lift handle 6 that pushes down, can drive the reciprocating motion of lift accuse 4, thereby drive the upward displacement of die-head 5, and then utilize the upward movement of die-head 5, drive connecting piece 7, The connecting block 21 and the placing part 2 integrally move upwards to enable the placing plate 23 to be in close contact with the lower end of the mutual inductor, after the operations are completed, connecting wires and connecting screws between the mutual inductor and the control cabinet and other electrical appliances inside the control cabinet are disassembled, after the disassembling is completed, the hook 235 on the elastic limiting rope 234 is pulled to enable the elastic limiting rope 234 to be unfolded and wound outside the mutual inductor, meanwhile, the hook 235 is connected with the hanging hole 233, and then, the control valve on the horizontal jack 1 is rotated, the lifting handle 6 and the lifting controller 4 are pressed down in a reciprocating mode, the supporting head 5 drives the placing part 2 integrally and the mutual inductor to move downwards, the horizontal jack 1 is pulled out of the control cabinet outwards, and the disassembling of the mutual inductor is achieved; by adopting the structure, the utility model increases the convenience of the operation when the mutual inductor is mounted and dismounted, and simultaneously, the applicability of the utility model can be increased by adjusting the height of the placing plate 23 through the horizontal jack 1 and the telescopic sleeve 22; generally, the utility model has the advantages of rational in infrastructure, the suitability is good and installation and regulation simple operation.

Claims

1. The utility model provides an auxiliary device is used in mutual-inductor dismantlement and installation in transformer substation's switch board, includes horizontal jack and places the piece, its characterized in that: the lifting control device comprises a horizontal jack, a lifting handle, a connecting piece and a connecting groove, wherein two ends of the lower surface of the horizontal jack are respectively provided with a roller, one end of the upper surface of the horizontal jack is provided with a lifting control, the other end of the upper surface of the horizontal jack is connected with a supporting head, the lifting handle is detachably inserted in the lifting control, the upper end of the supporting head is fixedly provided with the connecting piece, and the center of the upper surface of the connecting piece is provided with the connecting groove; the placing part is positioned at the upper end of the horizontal jack and comprises a connecting block, a telescopic sleeve and a placing plate, a clamping block matched with the connecting groove structure is arranged at the center of the lower end of the connecting block, the upper end of the connecting block is fixedly connected with the telescopic sleeve, the telescopic sleeve comprises a bottom plate, a top plate, an outer tube, an inner tube and a limiting screw, the lower end of the outer tube is fixedly connected with the connecting block through the bottom plate, an opening is formed in the upper end of the outer tube, a plurality of limiting holes a are uniformly formed in the outer surface of the outer tube along the length direction of the outer tube, a supporting block is connected to the upper end of the inner tube through the top plate, the lower end of the inner tube is positioned in the outer tube through the opening end of the outer tube, a limiting hole b is formed in the lower end of the outer surface of the inner tube, the limiting screw sequentially penetrates through the limiting holes a and the limiting holes b to realize limiting connection between the outer tube and the inner tube, a supporting plate is fixedly arranged at the upper end of the supporting block, and the placing plate is positioned at the upper end of the supporting plate, and is fixedly connected with the supporting plate through a fixing screw.

2. The auxiliary device for dismounting and mounting the mutual inductor in the control cabinet of the transformer substation of claim 1, is characterized in that: the middle position of the upper surface of the placing plate is fixedly provided with a rubber anti-slip layer.

3. The auxiliary device for dismounting and mounting the mutual inductor in the control cabinet of the transformer substation of claim 1, is characterized in that: the fixing screw is a hexagon socket head screw, a circular groove is formed in the contact position of the upper surface of the placing plate and the screw head end of the fixing screw, and the depth of the groove is larger than the thickness of the screw head end of the fixing screw.

4. The auxiliary device for dismounting and mounting the mutual inductor in the control cabinet of the transformer substation of claim 1, is characterized in that: the two sides of the supporting block are symmetrically provided with reinforcing plates which are of a right-angled triangle structure, and two right-angled sides of the reinforcing plates are fixedly connected with the lower surface of the supporting plate and the outer side surface of the supporting block respectively.

5. The auxiliary device for dismounting and mounting the mutual inductor in the control cabinet of the transformer substation of claim 1, is characterized in that: the middle positions of the two ends of the placing plate are respectively provided with a hanging groove and a hanging hole, a winding column is arranged in the hanging groove in a rotating mode, an elastic limiting rope is wound outside the winding column, one end of the elastic limiting rope is fixedly connected with the winding column, and the other end of the elastic limiting rope is connected with a hook.

6. The auxiliary device for dismounting and mounting the mutual inductor in the control cabinet of the transformer substation of claim 1, is characterized in that: the spread groove is square groove structure, the structure of fixture block is the cuboid structure with spread groove structure matched with.