CN217168326U

CN217168326U - Insulating sleeve for maintaining low-voltage power equipment

Info

Publication number: CN217168326U
Application number: CN202221200063.8U
Authority: CN
Inventors: 刘金
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-08-12
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses an insulating sleeve for low voltage power equipment maintenance, including the insulator spindle and set up the insulating cover in the insulator spindle below, interior hexagonal nut groove has been seted up to the bottom of insulating cover, and wherein interior hexagonal nut groove is used for drive nut to rotate, the insulating handle bar of top fixedly connected with of insulator spindle, the rectangular hole has been seted up on the top of insulator spindle, and sliding sleeve is equipped with the rectangular pole in the rectangular hole, and the bottom of rectangular pole extends to the below of insulator spindle, rotates between the both sides inner wall of rectangular hole and installs screw thread actuating mechanism, and screw thread actuating mechanism is used for driving the rectangular pole and removes to the realization is to the regulation of the total length of whole device. The utility model discloses be convenient for adjust the total length of whole device according to the position of operation to can effectually avoid insulating handle bar to arrange the operating space in and influence the operation, and be convenient for carry out the dismouting change to insulating cover fast through the mode of simple pulling, improve and change efficiency.

Description

Insulating sleeve for maintaining low-voltage power equipment

Technical Field

The utility model relates to an insulating sleeve technical field especially relates to an insulating sleeve for low pressure power equipment maintenance.

Background

The low-voltage distribution equipment is mostly maintained in a power failure mode, maintenance personnel can use the insulating sleeve or the wrench to twist the nut after disconnecting the disconnecting link to maintain the low-voltage equipment, the length of the existing insulating sleeve is mostly fixed, and because the equipment in the equipment box is compact, the number of wires is large, the operation space is narrow, when the operation position is deeper and the upper end of the insulating sleeve is positioned in the operation space during maintenance, the rotary disassembly and assembly operation of personnel are inconvenient, in addition, as the specifications of the nuts in the equipment box are different, when the nuts with different specifications are screwed, the insulation sleeve at the end part of the insulation sleeve needs to be replaced frequently, the insulation sleeve at the end part of the existing insulation sleeve is mostly fixed on the insulation sleeve through a plurality of bolts, so that the replacement speed is slow, the use requirement cannot be met, and the situations are combined, we have therefore proposed an insulating sleeve for low voltage power equipment maintenance to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an insulating sleeve for maintaining low-voltage power equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an insulating sleeve for maintaining low-voltage power equipment comprises an insulating rod and an insulating sleeve arranged below the insulating rod, wherein an inner hexagonal nut groove is formed in the bottom of the insulating sleeve and used for driving a nut to rotate, an insulating handle rod is fixedly connected to the top end of the insulating rod, a rectangular hole is formed in the top end of the insulating rod, a rectangular rod is sleeved in the rectangular hole in a sliding mode, the bottom end of the rectangular rod extends to the lower portion of the insulating rod, a thread driving mechanism is rotatably installed between the inner walls of the two sides of the rectangular hole, the top of the thread driving mechanism extends to the upper portion of the insulating handle rod, the thread driving mechanism is used for driving the rectangular rod to move vertically up and down, a rectangular groove is formed in the top portion of the insulating sleeve, the rectangular rod is movably inserted into the rectangular groove, a clamping hole is formed in the inner wall of the left side of the rectangular groove, and an elastic clamping mechanism is movably clamped in the clamping hole, the top end of the rectangular rod is provided with a threaded hole, a threaded driving mechanism is sleeved in the threaded hole in a threaded manner, the adjustment of the total length of the whole device can be realized by matching the threaded driving mechanism, the rectangular rod, the threaded hole and the insulating rod, the influence on the operation caused by the arrangement of the insulating handle rod in an operation space is avoided, the right end of the elastic clamping mechanism extends into the threaded hole and is installed on the right inner wall of the threaded hole, the right side of the elastic clamping mechanism is fixedly connected with a pulling driving mechanism which is used for pulling the elastic clamping mechanism, the top of the right side of the rectangular rod is provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding manner, the sliding block is contacted with the bottom inner wall of the sliding groove, the sliding groove provides a supporting force for the sliding block through the bottom inner wall of the sliding groove, the top of the pulling driving mechanism extends into the sliding groove and is fixedly connected with the bottom of the sliding block, and the right inner wall of the rectangular hole is provided with a first through hole, fixedly connected with guiding mechanism between the top inner wall of first through-hole and the bottom inner wall, guiding mechanism plays the purpose to the slider direction, and guiding mechanism's left side and the right side fixed connection of slider cooperate through card hole, elasticity clamping mechanism, pulling actuating mechanism, slider and guiding mechanism, can change insulating cover fast, improve change efficiency.

Preferably, the screw thread driving mechanism comprises a screw rod rotatably installed between the inner walls of the two sides of the rectangular hole, the top end of the screw rod extends to the upper portion of the insulating handle rod and is fixedly connected with an insulating knob, and the screw thread is sleeved in the threaded hole.

Preferably, the elastic clamping mechanism comprises a clamping block movably clamped in the clamping hole, the right side of the clamping block extends into the threaded hole, a positioning rod is fixedly connected to the inner wall of the right side of the threaded hole, the clamping block is slidably sleeved on the positioning rod, a spring is fixedly connected between the right side of the clamping block and the inner wall of the right side of the threaded hole, and the spring is movably sleeved on the positioning rod.

Preferably, the pulling driving mechanism comprises a flexible steel rope, the left end of the flexible steel rope is fixedly connected with the top of the right side of the clamping block, a first groove is formed in the inner wall of the right side of the threaded hole, a fixed pulley is rotatably mounted between the inner wall of the front side of the first groove and the inner wall of the rear side of the first groove, and the right end of the flexible steel rope extends into the sliding groove around the bottom of the fixed pulley and is fixedly connected with the bottom of the sliding block.

Preferably, guiding mechanism includes the guide bar of fixed connection between first through-hole top inner wall and bottom inner wall, and sliding sleeve is equipped with the guide block on the guide bar, the left side of guide block and the right side fixed connection of slider, and the right side of guide block extends to the right side of insulator spindle.

Preferably, the outside of insulator spindle bonds the cladding and has first insulating rubber, and the second through-hole that is linked together with first through-hole is seted up on the right side of first insulating rubber, and the outside bonding cladding of insulating cover has second insulating rubber.

Preferably, a limiting hole is formed in the inner wall of the left side of the rectangular hole, a limiting block in sliding connection with the limiting hole is fixedly connected to the top of the left side of the rectangular rod, and the limiting block and the limiting hole are matched to assist the rectangular rod to move up and down.

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

1. the screw rod, the rectangular rod, the threaded hole and the insulating rod are matched, so that the total length of the whole device can be adjusted, and the insulating handle rod is prevented from being arranged in an operation space to influence the operation;

2. the insulation sleeve can be rapidly replaced by matching the clamping hole, the elastic clamping mechanism, the pulling driving mechanism, the sliding block and the guide mechanism, so that the replacement efficiency is improved;

the utility model discloses be convenient for adjust the total length of whole device according to the position of operation to can effectually avoid insulating handle bar to arrange the operating space in and influence the operation, and be convenient for carry out the dismouting change to insulating cover fast through the mode of simple pulling, improve and change efficiency.

Drawings

Fig. 1 is a schematic structural view of an insulating sleeve for maintaining low-voltage power equipment according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100. an insulating rod; 101. an insulated handle bar; 102. an insulating sleeve; 1. a rectangular hole; 2. a screw; 3. a rectangular bar; 4. a first through hole; 5. a guide bar; 6. a guide block; 7. a slider; 8. a chute; 9. positioning a rod; 10. a clamping block; 11. a rectangular perforation; 12. a spring; 13. a threaded hole; 14. a fixed pulley; 15. a flexible steel cord; 16. a clamping hole; 17. a rectangular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an insulating sleeve for maintaining low-voltage power equipment comprises an insulating rod 100 and an insulating sleeve 102 arranged below the insulating rod 100, wherein the insulating rod 100 is bonded and coated with a first insulating rubber sheet, the insulating sleeve 102 is bonded and coated with a second insulating rubber sheet, the first insulating rubber sheet and the second insulating rubber sheet are arranged to achieve an insulating effect, the bottom of the insulating sleeve 102 is provided with an inner hexagonal nut groove used for driving a nut to rotate, the top end of the insulating rod 100 is fixedly connected with an insulating handle rod 101, the top end of the insulating rod 100 is provided with a rectangular hole 1, the rectangular hole 1 is slidably sleeved with a rectangular rod 3, the inner wall of the left side of the rectangular hole 1 is provided with a limiting hole, the top of the left side of the rectangular rod 3 is fixedly connected with a limiting block slidably connected with the limiting hole, the limiting hole is matched with the limiting block to achieve the effect of limiting the rectangular rod 3 to prevent the rectangular rod from slipping out of the rectangular hole 1, and plays a role of vertical guiding for assisting the rectangular rod 3 to move up and down, the bottom end of the rectangular rod 3 extends to the lower part of the insulating rod 100, a thread driving mechanism for driving the rectangular rod 3 to move in the vertical direction is rotatably arranged between the inner walls at the two sides of the rectangular hole 1, wherein the thread driving mechanism comprises a screw rod 2 which is rotatably arranged between the inner walls at the two sides of the rectangular hole 1, a first bearing is fixedly connected between the inner walls at the two sides of the rectangular hole 1, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the screw rod 2, the first bearing has the effect of allowing the screw rod 2 to be rotatably arranged in the rectangular hole 1, the top end of the screw rod 2 extends to the upper part of the insulated handle rod 101 and is fixedly connected with an insulated knob, wherein the top of the insulating handle rod 101 is provided with a first through hole for the screw rod 2 to pass through, the screw rod 2 is sheathed in the threaded hole 13 in a threaded manner, the threaded hole 13 is in threaded connection with the screw rod 2, so that a thread driving effect can be achieved;

the top of the insulating sleeve 102 is provided with a rectangular groove 17, the rectangular rod 3 is movably inserted in the rectangular groove 17, the left inner wall of the rectangular groove 17 is provided with a clamping hole 16, an elastic clamping mechanism is movably clamped in the clamping hole 16, the top end of the rectangular rod 3 is provided with a threaded hole 13, the right end of the elastic clamping mechanism extends into the threaded hole 13 and is mounted with the right inner wall of the threaded hole 13, wherein the elastic clamping mechanism comprises a clamping block 10 movably clamped in the clamping hole 16, the right side of the clamping block 10 extends into the threaded hole 13, the left inner wall of the threaded hole 13 is provided with a rectangular through hole for the sliding mounting of the clamping block 10, the right inner wall of the threaded hole 13 is fixedly connected with a positioning rod 9, the clamping block 10 is slidably sleeved on the positioning rod 9, the right side of the clamping block 10 is provided with a positioning hole slidably connected with the outer side of the positioning rod 9, and the positioning rod 9 plays a role of positioning and guiding the clamping block 10, a spring 12 in a compressed state is fixedly connected between the right side of the fixture block 10 and the inner wall of the right side of the threaded hole 13, the spring 12 is movably sleeved on the positioning rod 9, and the spring 12 in the compressed state provides a leftward pushing force for the fixture block 10;

a pulling driving mechanism is fixedly connected to the right side of the fixture block 10, the pulling driving mechanism comprises a flexible steel rope 15, the left end of the flexible steel rope 15 is fixedly connected with the top of the right side of the fixture block 10, a first groove is formed in the inner wall of the right side of the threaded hole 13, a fixed pulley 14 is rotatably installed between the inner wall of the front side of the first groove and the inner wall of the rear side of the first groove, a pin shaft is fixedly connected between the inner wall of the front side of the first groove and the inner wall of the rear side of the first groove, a circular hole is formed in the front side of the fixed pulley 14, a mounting bearing is fixedly sleeved in the circular hole, the inner side of an inner ring of the mounting bearing is fixedly connected with the outer side of the pin shaft, and the fixed pulley 14 is rotatably installed between the inner wall of the front side and the inner wall of the rear side of the first groove through the matching of the pin shaft and the mounting bearing;

the right side top of the rectangular rod 3 is provided with a sliding chute 8, the sliding chute 8 is internally and slidably connected with a sliding block 7, the sliding block 7 is contacted with the bottom inner wall of the sliding chute 8, the sliding chute 8 provides a supporting force for the sliding block 7 through the bottom inner wall of the sliding chute 8, the right end of a flexible steel rope 15 bypasses the bottom of the fixed pulley 14 and extends into the sliding chute 8 and is fixedly connected with the bottom of the sliding block 7, the bottom inner wall of the sliding chute 8 and the top inner wall of the first groove are provided with a steel rope threading hole for the flexible steel rope 15 to vertically pass through, the right side inner wall of the rectangular hole 1 is provided with a first through hole 4, the right side of the first insulating rubber is provided with a second through hole communicated with the first through hole 4, a guide mechanism is fixedly connected between the top inner wall and the bottom inner wall of the first through hole 4, the left side of the guide mechanism is fixedly connected with the right side of the sliding block 7, wherein the guide mechanism comprises a guide rod 5 fixedly connected between the top inner wall and the bottom inner wall of the first through hole 4, sliding sleeve is equipped with guide block 6 on guide bar 5, and the left side of guide block 6 and the right side fixed connection of slider 7, wherein the guide hole with 5 outside sliding connection of guide bar is seted up at the top of guide block 6, and guide block 6 and guide bar 5 cooperate, play the effect to the slider 7 direction, and the right side of guide block 6 extends to the right side of insulator spindle 100, the utility model discloses be convenient for adjust the total length of whole device according to the position of operation to can effectually avoid insulating handle bar 101 to arrange operation in the operating space influence operation in, and be convenient for carry out the dismouting change through the mode of simple pulling fast to insulator housing 102, improve the replacement efficiency.

The working principle is as follows: when the device is used, when the total length of the whole device is adjusted according to the operating position depth, the screw rod 2 is driven to rotate by forward rotation of the insulating knob, under the action of the threaded hole 13 formed in the rectangular rod 3, the rectangular rod 3 is driven to move downwards by rotation of the screw rod 2, the rectangular rod 3 drives the insulating sleeve 102 and the fixture block 10 to move downwards, the fixture block 10 drives the slider 7 to move downwards along with the rectangular rod 3 synchronously through the flexible steel rope 15 fixedly connected with the fixture block 10, the slider 7 drives the guide block 6 to slide downwards on the guide rod 5, the insulating sleeve 102 moves downwards, the total length of the whole device is changed, when the insulating sleeve 102 moves downwards to the operating position, the insulating knob stops rotating, the insulating handle rod 101 is still positioned outside the operating space, the operation of a person is facilitated, the person can rotate the insulating handle rod 101 to drive the insulating rod 100 to rotate, the insulating rod 100 drives the insulating sleeve 102 to rotate through the rectangular rod 3, and the insulating sleeve 102 rotates to screw and disassemble the nut, so that maintenance operation is realized;

when the insulating sleeve 102 is replaced according to the size of the nut, the guide block 6 is moved upwards, the guide block 6 drives the slide block 7 to move upwards, the slide block 7 pulls the flexible steel rope 15 upwards to enable the flexible steel rope 15 to slide at the bottom of the fixed pulley 14, the flexible steel rope 15 pulls the fixture block 10 to slide rightwards on the positioning rod 9, the fixture block 10 moves rightwards and compresses the spring 12, the fixture block 10 moves rightwards and moves out of the fixture hole 16 to release the fixation of the insulating sleeve 102, the insulating sleeve 102 can be moved downwards to be separated from the rectangular rod 3 at the moment, the replaced insulating sleeve 102 is sleeved on the rectangular rod 3, when the bottom end of the rectangular rod 3 is contacted with the inner wall of the bottom of the rectangular groove 17 on the replaced insulating sleeve 102, the upward thrust on the guide block 6 is released, the elastic force of the spring 12 in the compressed state drives the fixture block 10 to move leftwards to the fixture hole 16, the fixture block 10 pulls the flexible steel rope 15 to drive the slide block 7 to move downwards to reset, the slider 7 drives the guide block 6 to move downwards for resetting, the clamping block 10 is clamped with the clamping hole 16, the insulating sleeve 102 is fixed, the dismounting and replacing are completed, the insulating sleeve 102 is conveniently dismounted, mounted and replaced quickly in a simple pulling mode, and the replacing efficiency is improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An insulating sleeve for maintaining low-voltage power equipment comprises an insulating rod (100) and an insulating sleeve (102) arranged below the insulating rod (100), wherein a hexagon socket nut groove is formed in the bottom of the insulating sleeve (102), and an insulating handle rod (101) is fixedly connected to the top end of the insulating rod (100), the insulating sleeve is characterized in that a rectangular hole (1) is formed in the top end of the insulating rod (100), a rectangular rod (3) is sleeved in the rectangular hole (1) in a sliding manner, a thread driving mechanism used for driving the rectangular rod (3) to move in the vertical direction is rotatably arranged between the inner walls of two sides of the rectangular hole (1), a rectangular groove (17) is formed in the top end of the insulating sleeve (102), the rectangular rod (3) is movably inserted in the rectangular groove (17), a clamping hole (16) is formed in the inner wall of the left side of the rectangular groove (17), and an elastic clamping mechanism is movably clamped in the clamping hole (16), threaded hole (13) have been seted up on the top of rectangular pole (3), screw thread actuating mechanism threaded sleeve establishes in screw hole (13), elasticity clamps the right-hand member of mechanism and extends to in screw hole (13) and install mutually with the right side inner wall of screw hole (13), elasticity clamps the right side fixedly connected with pulling actuating mechanism of mechanism, spout (8) have been seted up at the right side top of rectangular pole (3), sliding connection has slider (7) in spout (8), pulling actuating mechanism's top extend to in spout (8) and with the bottom fixed connection of slider (7), first through-hole (4) have been seted up on the right side inner wall of rectangular hole (1), fixedly connected with one between the top inner wall of first through-hole (4) and the bottom inner wall and slider (7) fixed mounting's guiding mechanism.

2. The insulating sleeve for maintaining the low-voltage power equipment is characterized in that the thread driving mechanism comprises a screw rod (2) rotatably installed between the inner walls of two sides of the rectangular hole (1), the top end of the screw rod (2) extends to the upper part of the insulating handle rod (101) and is fixedly connected with an insulating knob, and the screw rod (2) is sleeved in the threaded hole (13) in a threaded manner.

3. The insulating sleeve for maintaining the low-voltage power equipment as claimed in claim 1, wherein the elastic clamping mechanism comprises a clamping block (10) movably clamped in a clamping hole (16), the right side of the clamping block (10) extends into a threaded hole (13), a positioning rod (9) is fixedly connected to the inner wall of the right side of the threaded hole (13), the clamping block (10) is slidably sleeved on the positioning rod (9), a spring (12) is fixedly connected between the right side of the clamping block (10) and the inner wall of the right side of the threaded hole (13), and the spring (12) is movably sleeved on the positioning rod (9).

4. The insulating sleeve for maintaining the low-voltage power equipment as claimed in claim 3, wherein the pulling driving mechanism comprises a flexible steel cable (15), the left end of the flexible steel cable (15) is fixedly connected with the top of the right side of the clamping block (10), a first groove is formed in the right inner wall of the threaded hole (13), a fixed pulley (14) is rotatably mounted between the front inner wall and the rear inner wall of the first groove, and the right end of the flexible steel cable (15) extends into the sliding groove (8) around the bottom of the fixed pulley (14) and is fixedly connected with the bottom of the sliding block (7).

5. The insulating sleeve for low-voltage power equipment maintenance according to claim 1, wherein the guide mechanism comprises a guide rod (5) fixedly connected between the top inner wall and the bottom inner wall of the first through hole (4), a guide block (6) is slidably sleeved on the guide rod (5), the left side of the guide block (6) is fixedly connected with the right side of the sliding block (7), and the right side of the guide block (6) extends to the right side of the insulating rod (100).

6. The insulation sleeve for maintaining the low-voltage power equipment as claimed in claim 1, wherein a first insulation rubber is bonded and coated on the outer side of the insulation rod (100), a second through hole communicated with the first through hole (4) is formed in the right side of the first insulation rubber, and a second insulation rubber is bonded and coated on the outer side of the insulation sleeve (102).

7. The insulating sleeve for maintaining the low-voltage power equipment as claimed in claim 1, wherein a limiting hole is formed in the inner wall of the left side of the rectangular hole (1), and a limiting block slidably connected with the limiting hole is fixedly connected to the top of the left side of the rectangular rod (3).