CN220662314U - Replacing tool for insulator of rigid contact net - Google Patents

Abstract

The utility model discloses a rigid contact net insulator replacement tool, which comprises closed clamps, wherein an upper clamping head is positioned at the upper end of a lower clamping head, the upper clamping head and the lower clamping head are fixedly connected through bolts, a threaded shaft is connected inside the upper clamping head, the upper end of the threaded shaft is fixedly connected with a first handle, a first guide rod is connected inside the upper clamping head in a sliding manner, the lower end of the first guide rod is fixedly connected with a compression plate, the threaded shaft is rotationally connected with the compression plate, two groups of adjusting mechanisms are arranged, and the two groups of adjusting mechanisms are symmetrically distributed between the two groups of closed clamps in a front-back manner; the two threaded rods are fixedly connected with a connector at one end far away from each other, the connector is fixedly connected with the upper clamping head and the lower clamping head through bolts, the circumferential surface of the threaded cylinder is detachably connected with a pressing mechanism through a connecting assembly, and the pressing mechanism is positioned at the upper end of the threaded cylinder; the utility model can play a role in facilitating insulator replacement under the action of the pressing mechanism.

Description

Replacing tool for insulator of rigid contact net

Technical Field

The utility model relates to the technical field of insulator replacement tools, in particular to a rigid contact net insulator replacement tool.

Background

In urban traffic, subways belong to important traffic tools, most subways are underground in cities and are formed in a tunnel mode, the tunnel is powered by a large amount of overhead rigid suspension overhead contact lines, and current is isolated between a powered busbar and an upper fixed support through insulators, so that the insulators are important components of a power transmission line and are essential insulating materials for conveying electric energy; the insulator is influenced by various external factors after long-term use, and damage to a certain extent can occur, so that the damaged part of the insulator needs to be detached and replaced by a tool in order to ensure that the rigid contact net insulator can still be used normally.

The Chinese patent application number is: 201820093072.9, a novel tension insulator replacement tool uses a tightening frame formed by double wire rods, is more labor-saving and reliable than a traditional tightener, does not slip, and has high safety; the traditional wire clamping device and the wire tightener are combined and designed into a set of new clamping device, so that the connecting parts are reduced, and the tool is more convenient and safer to use.

However, when the above-mentioned patent is specifically used, still need the workman to hold two tight line handles and rotate and control the extension length of lead screw, and workman's both hands pivoted range can not keep unanimously, can appear being in the inconsistent problem of extension length of fore-and-aft direction lead screw like this, can not make the insulator steadily tighten up or loosen finally, and then seriously influence the change of insulator, consequently need design a rigidity contact net insulator change instrument.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a rigid contact net insulator replacing tool.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a rigidity contact net insulator replacement tool, includes closed fixture, closed fixture includes chuck, lower chuck, pressure strip, first handle, screw thread axle and first guide bar, go up the upper end that the chuck is located lower chuck, go up through bolt fixed connection between chuck and the lower chuck, go up the inside threaded connection of chuck and have the screw thread axle, the upper end fixedly connected with first handle of screw thread axle, the inside sliding connection of last chuck has first guide bar, the lower extreme fixedly connected with pressure strip of first guide bar, the screw thread axle rotates with pressure strip to be connected, closed fixture is provided with two sets of, and is bilateral symmetry distribution, and two sets of closed fixtures pass through adjustment mechanism and connect, adjustment mechanism is provided with two sets of, and is the front and back symmetric distribution and all is located between two sets of closed fixtures;

the adjusting mechanism comprises threaded rods, threaded barrels, connectors and a first connecting seat, wherein the threaded rods are connected with the internal threads of the threaded barrels, the threaded rods are arranged in two and are distributed in bilateral symmetry, the threaded rods are located in the threaded barrels, one ends of the two threaded rods, which are far away from each other, of the threaded rods are fixedly connected with the connectors, the connectors are fixedly connected with the upper clamping head and the lower clamping head through bolts, the circumferential surfaces of the threaded barrels are detachably connected with pressing mechanisms through connecting assemblies, and the pressing mechanisms are located at the upper ends of the threaded barrels.

Further, the inner wall fixed mounting of pinch plate has the lug, the lug is provided with a plurality ofly, and even distribution is in the pinch plate, the inner wall fixedly connected with skid resistant course of chuck down, pinch plate and lug all are located the upper end on skid resistant course.

Further, the inside fixedly connected with second guide bar of screw thread section of thick bamboo, the sliding hole has been seted up to the inside of threaded rod, second guide bar and sliding connection of sliding hole.

Further, the thread directions of the surfaces of the two threaded rods positioned at the left end and the right end are opposite, and the thread shapes of the surfaces of the threaded rods are triangular.

Further, coupling assembling includes first connecting seat and screw thread location axle, the lower extreme fixedly connected with first connecting seat of screw thread section of thick bamboo, the upper end fixedly connected with screw thread location axle of first connecting seat.

Further, pressing mechanism includes second connecting seat, mounting hole, first fixing base, connecting rod, second fixing base and second handle, the second connecting seat has been placed to the upper end of first connecting seat, the mounting hole has been seted up to the up end of second connecting seat, screw thread locating shaft runs through the mounting hole, the upper end fixedly connected with first fixing base of second connecting seat, the inside rotation of first fixing base is connected with the connecting rod, second fixing base and connecting rod rotate to be connected, the upper end fixedly connected with second handle of second fixing base.

The utility model has the following beneficial effects:

compared with the prior art, the rigid contact net insulator replacing tool has the advantages that under the action of the pressing mechanism, a worker only needs to control the pressing mechanism by one hand, so that the two threaded cylinders can simultaneously and reversely rotate, further, the two threaded rods inside the threaded cylinders in the front-back direction simultaneously move, the moving distance of the threaded rods in the front-back direction is consistent, and finally, the two ends of a section of rigid contact net insulator needing to be disassembled can simultaneously tighten or loosen, so that replacement of the insulator is facilitated.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a front view of a rigid catenary insulator replacement tool according to the present utility model;

fig. 2 is an enlarged schematic structural view of a rigid catenary insulator replacement tool a in fig. 1 according to the present utility model;

fig. 3 is a schematic diagram of the overall structure of a rigid catenary insulator replacement tool in a top view according to the present utility model;

fig. 4 is an enlarged schematic structural view of the rigid catenary insulator replacement tool B in fig. 3 according to the present utility model;

fig. 5 is a schematic diagram of a structure of the rigid contact net insulator replacement tool according to the present utility model, which is split after being partially sectioned from the front view.

In the figure: 1. an upper clamping head; 2. a first handle; 3. a compacting plate; 4. a connector; 5. an anti-slip layer; 6. a lower chuck; 7. a thread cylinder; 8. a threaded rod; 9. a first connection base; 10. a first fixing seat; 11. a connecting rod; 12. the second fixing seat; 13. a second handle; 14. a second connecting seat; 15. a threaded shaft; 16. a first guide bar; 17. a bump; 18. a threaded positioning shaft; 19. a mounting hole; 20. a sliding hole; 21. and a second guide bar.

Detailed Description

The present utility model will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are shown in schematic, rather than physical, drawings, and are not to be construed as limiting the utility model, and wherein certain components of the drawings are omitted, enlarged or reduced in size, and do not represent the actual product size, so it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that all other embodiments obtained by those of ordinary skill in the art without making inventive efforts, based on the embodiments of the present utility model, are within the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "front", "rear", "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the utility model provides a rigid contact net insulator replacing tool, which comprises a closed clamp, wherein the closed clamp comprises an upper clamp 1, a lower clamp 6, a pressing plate 3, a first handle 2, a threaded shaft 15 and a first guide rod 16, the upper clamp 1 is positioned at the upper end of the lower clamp 6, the upper clamp 1 and the lower clamp 6 are fixedly connected through bolts, the threaded shaft 15 is connected inside the upper clamp 1, the first handle 2 is fixedly connected at the upper end of the threaded shaft 15, the first guide rod 16 is slidingly connected inside the upper clamp 1, the pressing plate 3 is fixedly connected at the lower end of the first guide rod 16, the threaded shaft 15 is rotationally connected with the pressing plate 3, the closed clamp is provided with two groups and is symmetrically distributed left and right, the two groups of closed clamps are connected through an adjusting mechanism, and the adjusting mechanism is provided with two groups and is symmetrically distributed between the two groups of closed clamps;

the adjusting mechanism comprises threaded rods 8, threaded cylinders 7, connectors 4 and a first connecting seat 9, wherein the threaded rods 8 are connected with the internal threads of the threaded cylinders 7, the threaded rods 8 are arranged in two and are distributed in bilateral symmetry, the threaded cylinders 7 are located, one ends, far away from each other, of the two threaded rods 8 are fixedly connected with the connectors 4, the connectors 4 are fixedly connected with the upper clamping head 1 and the lower clamping head 6 through bolts, the circumferential surfaces of the threaded cylinders 7 are detachably connected with pressing mechanisms through connecting components, and the pressing mechanisms are located at the upper ends of the threaded cylinders 7.

During operation, through under the effect of pressing mechanism, the workman only needs manual control pressing mechanism, just can make two screw thread section of thick bamboo 7 reverse rotation simultaneously, and then makes the inside two threaded rods 8 of direction screw thread section of thick bamboo 7 remove simultaneously in the front and back, and the distance that is in the 8 removal of front and back threaded rods is unanimous like this, finally makes the both ends of the one section rigidity contact net insulator that need dismantle tighten up or loosen the operation simultaneously, more helps the change of insulator like this.

The inner wall fixed mounting of pressure strip 3 has lug 17, and lug 17 is provided with a plurality ofly, and even distribution is in pressure strip 3, and the inner wall fixedly connected with skid resistant course 5 of lower dop 6, pressure strip 3 and lug 17 all are located skid resistant course 5's upper end. During operation, under the mutual cooperation of the protruding blocks 17 and the anti-slip layer 5, the closed fixture can be stably arranged at two ends of the insulator to be replaced.

The second guide rod 21 is fixedly connected to the inside of the threaded cylinder 7, the sliding hole 20 is formed in the threaded rod 8, and the second guide rod 21 is in sliding connection with the sliding hole 20. During operation, under the action of the second guide rod 21, the threaded rod 8 can move more stably along with the rotation of the threaded cylinder 7.

The thread directions of the surfaces of the two threaded rods 8 positioned at the left end and the right end are opposite, and the thread shapes of the surfaces of the threaded rods 8 are triangular. During operation, along with the rotation of the thread cylinder 7, the two threaded rods 8 positioned inside the thread cylinder 7 simultaneously perform reverse movement, and the threaded rods 8 can be stably positioned in the thread cylinder 7 under the condition that the thread cylinder 7 is not rotated.

The connecting assembly comprises a first connecting seat 9 and a threaded positioning shaft 18, the lower end of the threaded cylinder 7 is fixedly connected with the first connecting seat 9, and the upper end of the first connecting seat 9 is fixedly connected with the threaded positioning shaft 18. During operation, under the action of the connecting component, the pressing mechanism can be stably connected with the threaded cylinder 7.

The pressing mechanism comprises a second connecting seat 14, a mounting hole 19, a first fixing seat 10, a connecting rod 11, a second fixing seat 12 and a second handle 13, wherein the second connecting seat 14 is arranged at the upper end of the first connecting seat 9, the mounting hole 19 is formed in the upper end face of the second connecting seat 14, a threaded positioning shaft 18 penetrates through the mounting hole 19, the first fixing seat 10 is fixedly connected with the upper end of the second connecting seat 14, the connecting rod 11 is rotatably connected with the inner part of the first fixing seat 10, the second fixing seat 12 is rotatably connected with the connecting rod 11, and the second handle 13 is fixedly connected with the upper end of the second fixing seat 12.

When the novel electric insulator disassembling and assembling device works, the second connecting seat 14 is located at the upper end of the first connecting seat 9, the threaded locating shaft 18 penetrates through the mounting hole 19, then the threaded cap is selected to be sleeved on the circumferential surface of the threaded locating shaft 18 and rotate, so that the second connecting seat 14 can be firmly installed at the upper end of the first connecting seat 9 under the mutual matching of the threaded locating shaft 18 and the threaded cap, then the second handle 13 can be pressed downwards or lifted upwards to drive the second fixing seat 12 to move downwards or upwards, at the moment, under the action of the connecting rod 11 and the first fixing seat 10, the two threaded cylinders 7 are driven to reversely rotate, and then the two threaded rods 8 located inside the threaded cylinders 7 simultaneously reversely move, under the action of the threaded rods 8, the two connecting heads 4 at the left end and the right end and the closed clamp are pulled to move towards directions close to each other or away from each other, so that a section of insulator to be replaced can be loosened or tightened, when the insulator is loosened, the insulator is replaced, and after the replacement is completed, the insulator is disassembled and assembled.

When the novel electric insulator fixing device is used, the closed clamp is firstly arranged at two ends of a section of insulator to be replaced, the first handle 2 is rotated to drive the threaded shaft 15 to rotate, the pressing plate 3 can stably move downwards under the action of the first guide rod 16 and press the insulator, two ends of the insulator are fixed by the closed clamp, then the connecting assembly is utilized to enable the pressing mechanism to be firmly arranged at the upper end of the threaded cylinder 7, then the second handle 13 can be downwards pressed or upwards lifted to drive the second fixing seat 12 to move downwards or upwards, at this moment, under the action of the connecting rod 11 and the first fixing seat 10, the two threaded cylinders 7 are driven to reversely rotate, and then the two connectors 4 at the left end and the right end of the threaded rod 8 are pulled to move towards directions close to or far away from each other, so that the section of insulator to be replaced is loose or tighten, when the insulator to be replaced is detached, and after the insulator is newly replaced, the insulator is assembled, and the insulator is detached is completed.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. The utility model provides a rigid contact net insulator change instrument, includes closed fixture, its characterized in that: the closed clamp comprises an upper clamping head (1), a lower clamping head (6), a pressing plate (3), a first handle (2), a threaded shaft (15) and a first guide rod (16), wherein the upper clamping head (1) is positioned at the upper end of the lower clamping head (6), the upper clamping head (1) is fixedly connected with the lower clamping head (6) through bolts, the threaded shaft (15) is connected with the inner threads of the upper clamping head (1), the first handle (2) is fixedly connected with the upper end of the threaded shaft (15), the first guide rod (16) is connected with the inner part of the upper clamping head (1) in a sliding manner, the pressing plate (3) is fixedly connected with the lower end of the first guide rod (16), the threaded shaft (15) is rotationally connected with the pressing plate (3), the closed clamps are provided with two groups and are symmetrically distributed left and right, the two groups of closed clamps are connected through an adjusting mechanism, and the adjusting mechanism is provided with two groups and are symmetrically distributed between the two groups of closed clamps;

adjustment mechanism includes threaded rod (8), screw thread section of thick bamboo (7), connector (4) and first connecting seat (9), the inside threaded connection of screw thread section of thick bamboo (7) has threaded rod (8), threaded rod (8) are provided with two, and are bilateral symmetry distribution, all lie in screw thread section of thick bamboo (7), the equal fixedly connected with connector (4) of one end that two threaded rods (8) kept away from each other, through bolt fixed connection between connector (4) and last chuck (1) and lower chuck (6), the circumference of screw thread section of thick bamboo (7) can be dismantled through coupling assembling and be connected with pressing mechanism, pressing mechanism is located the upper end of screw thread section of thick bamboo (7).

2. The rigid catenary insulator replacement tool of claim 1, wherein: the inner wall fixed mounting of clamp plate (3) has lug (17), lug (17) are provided with a plurality ofly, and even distribution is in clamp plate (3), the inner wall fixedly connected with skid resistant course (5) of lower dop (6), clamp plate (3) and lug (17) all are located the upper end of skid resistant course (5).

3. The rigid catenary insulator replacement tool of claim 1, wherein: the inside fixedly connected with second guide bar (21) of screw section of thick bamboo (7), sliding hole (20) have been seted up to the inside of threaded rod (8), second guide bar (21) and sliding hole (20) sliding connection.

4. The rigid catenary insulator replacement tool of claim 1, wherein: the thread directions of the surfaces of the two threaded rods (8) positioned at the left end and the right end are opposite, and the thread shapes of the surfaces of the threaded rods (8) are triangular.

5. The rigid catenary insulator replacement tool of claim 1, wherein: the connecting assembly comprises a first connecting seat (9) and a threaded positioning shaft (18), wherein the lower end of the threaded cylinder (7) is fixedly connected with the first connecting seat (9), and the upper end of the first connecting seat (9) is fixedly connected with the threaded positioning shaft (18).

6. The rigid catenary insulator replacement tool of claim 5, wherein: the pressing mechanism comprises a second connecting seat (14), a mounting hole (19), a first fixing seat (10), a connecting rod (11), a second fixing seat (12) and a second handle (13), wherein the second connecting seat (14) is arranged at the upper end of the first connecting seat (9), the mounting hole (19) is formed in the upper end face of the second connecting seat (14), a threaded positioning shaft (18) penetrates through the mounting hole (19), the first fixing seat (10) is fixedly connected to the upper end of the second connecting seat (14), the connecting rod (11) is connected to the first fixing seat (10) in a rotating mode, the second fixing seat (12) is connected with the connecting rod (11) in a rotating mode, and the second handle (13) is fixedly connected to the upper end of the second fixing seat (12).