CN112886467A

CN112886467A - Novel tool for power grid equipment maintenance

Info

Publication number: CN112886467A
Application number: CN202110096828.1A
Authority: CN
Inventors: 王燕玲
Original assignee: Individual
Current assignee: Guangxi Power Grid Co Ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-06-01
Anticipated expiration: 2041-01-25
Also published as: CN112886467B

Abstract

The invention discloses a novel tool for maintaining power grid equipment, which structurally comprises two tool handles, two anti-slip sleeves, a shearing device and a limiting device, wherein the two tool handles are arranged, the two anti-slip sleeves are arranged, the right ends of the two tool handles are fixedly connected with the two anti-slip sleeves in an embedded manner, the two anti-slip sleeves are made of chloroprene rubber, the chloroprene rubber has good physical and mechanical properties and strong corrosion resistance, the shearing device is welded and connected to the left end of the tool handles, and the limiting device is arranged on the inner side of the shearing device. The shearing device is prevented from loosening, so that the cable to be recovered falls off.

Description

Novel tool for power grid equipment maintenance

Technical Field

The invention relates to the field of power grids, in particular to a novel tool for maintaining power grid equipment.

Background

The cable scissors are special cutting pliers for cutting cables, and two blades of the cable scissors are staggered and can be opened and closed. The cable scissors are large scissors and designed by utilizing the lever principle and the inverse ratio of pressure intensity to area. For intensity, the convenience that strengthens the cable and cut, the cable is cut and is developed ratchet cable from traditional manual cable and cut, and hydraulic cable is cut, electronic hydraulic cable is cut, full-electric cable is cut to the continuous reappearance, but prior art has following not enoughly:

generally speaking, the cables in mountainous areas are installed at high altitude, the lengths of the cables are very long, more than two workers are needed to cooperate when the cables are cut off by the cable shears, one worker cuts off the cables by the cable shears, other people fix the cables, the cut cables are prevented from being separated, and the cables need to be searched on the ground to be recycled.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a novel tool for maintaining power grid equipment so as to solve the problems in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme: a novel tool for maintaining power grid equipment structurally comprises two tool handles, two anti-skidding sleeves, a shearing device and a limiting device, wherein the two tool handles are arranged, the two anti-skidding sleeves are fixedly connected to the right ends of the two tool handles in an embedded mode, the two anti-skidding sleeves are made of chloroprene rubber, the chloroprene rubber has good physical and mechanical properties and strong corrosion resistance, the shearing device is connected to the left end of the tool handles in a welded mode, and the limiting device is arranged on the inner side of the shearing device;

the shearing device comprises a right blade, a left blade, a supporting shaft and a fixing device, wherein the right blade is movably clamped at the right end of the supporting shaft, the left blade is welded at the left end of the supporting shaft, the fixing device is installed at the right end of the right blade, and the right blade and the rear end of the left blade are welded with two tool handles.

The invention is further improved, the fixing device comprises an upper fixing block, a lower fixing block, clamping grooves and fastening mechanisms, the lower end of the upper fixing block is connected to the surface of the supporting shaft in a welding mode, the left side of the lower fixing block is fixedly connected with the right side of the right knife body in an embedded mode, the lower fixing block is movably clamped on the surface of the supporting shaft in a clamping mode, the clamping grooves are two, the two clamping grooves are recessed in the inner sides of the upper fixing block and the lower fixing block, the fastening mechanisms are two groups, and the two groups of fastening mechanisms are arranged inside the upper fixing block and the lower fixing.

The invention is further improved, the fastening mechanism comprises two abutting blocks, two push rods, two pushing devices and two fixing rods, the two abutting blocks are arranged, the rear ends of the two abutting blocks are fixedly embedded at the front ends of the two push rods, the two pushing devices are arranged, the rear ends of the two push rods are movably clamped in the pushing devices, the two pushing devices are respectively arranged in the upper fixing block and the lower fixing block, the two fixing rods are arranged in two groups, each group of fixing rods is respectively provided with two fixing rods, and the two fixing rods are movably clamped in the pushing devices.

The invention is further improved, the pushing device comprises a shell, first pistons, hydraulic liquid, second pistons and first springs, the first pistons are movably clamped on the inner wall of the shell, the upper parts of the first pistons are fixedly connected below the push rods in an embedded mode, the hydraulic liquid is arranged in the shell, the number of the second pistons is two, the two second pistons are movably clamped in the shell, the upper parts of the two second pistons are fixedly connected below the two fixing rods in an embedded mode, the first springs are arranged between the bottom of the inner wall of the shell and the lower parts of the first pistons, and the first springs are compression springs.

The invention is further improved, the limiting device comprises a first limiting block, a latch, a second limiting block, a pushing block and a clamping mechanism, the lower end of the first limiting block is connected to the inner side of the left cutter body in a welding mode, the left side of the upper end of the first limiting block is provided with the latch, the latch and the first limiting block are of an integrated structure, the upper end of the second limiting block is connected to the inner side of the right cutter body in a welding mode, the pushing block is movably clamped on the right side of the second limiting block, a semi-cylindrical structure is arranged on the right side of the pushing block, and the clamping mechanism is installed inside the first limiting block.

The invention is further improved, the clamping mechanism consists of a movable cavity, two clamping rods, elastic sheets, a deflector rod and a second spring, the movable cavity is sunken on the right side of the lower end of the first limiting block, the two clamping rods are movably clamped on the inner wall of the movable cavity, the lower end of each clamping rod is of a claw-shaped structure, the two elastic sheets are riveted and connected on the inner wall of the movable cavity, the right lower parts of the two elastic sheets are respectively attached to the left sides of the lower ends of the two clamping rods, the left upper parts of the two elastic sheets are attached to the inner wall of the left side of the movable cavity, the two elastic sheets are made of spring steel, the spring steel has excellent comprehensive performance, anti-elastic and anti-fatigue performance, the permanent deformation cannot occur after the load of elastic deformation is removed, the deflector rod is movably matched in the movable cavity, the upper end and the lower end of the right side of the deflector rod are attached to the left side of, the second spring is fixedly connected below the left end of the shifting lever, and is an extension spring.

According to the technical scheme, the novel tool for maintaining the power grid equipment has the following beneficial effects:

the shearing device can shear the cable in the electric high altitude of the mountainous area under the condition of only one operator, and ensures that one end of the sheared cable is still left in the hand, thereby facilitating the recovery of the sheared cable by maintenance personnel.

The limiting device can clamp the shearing device together even if a maintenance worker operates a maintenance tool with one hand after the cable is sheared, so that the shearing device is prevented from loosening, and the cable to be recovered can be prevented from falling off.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a novel power grid equipment maintenance tool according to the present invention;

FIG. 2 is a schematic diagram of the right view of the shearing device of the present invention;

FIG. 3 is a front sectional structural schematic view of the shearing apparatus of the present invention;

FIG. 4 is a schematic right-view structural view of the fixing device of the present invention;

FIG. 5 is a front view of the fastening mechanism of the present invention;

FIG. 6 is a front sectional view of the pushing device of the present invention;

FIG. 7 is a front view of the spacing device of the present invention;

FIG. 8 is a schematic cross-sectional view of an orthographic view of the fastening mechanism of the present invention.

In the figure: the device comprises a knife handle-1, an anti-skidding sleeve-2, a shearing device-3, a limiting device-4, a right knife body-31, a left knife body-311, a supporting shaft-32, a fixing device-33, an upper fixing block-331, a lower fixing block-332, a clamping groove-333, a fastening mechanism-6, a resisting block-61, a push rod-62, a pushing device-63, a fixing rod-64, a shell-631, a first piston-632, hydraulic liquid-633, a second piston-634, a first spring-635, a first limiting block-41, a clamping tooth-52, a second limiting block-43, a pushing block-44, a clamping mechanism-45, a movable cavity-451, a clamping rod-452, a spring piece-453, a driving lever-454 and a second spring-455.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment is as follows: referring to fig. 1-6, the embodiments of the present invention are as follows:

the invention provides a novel tool for maintaining power grid equipment, which structurally comprises two tool handles 1, two anti-slip sleeves 2, two shearing devices 3 and a limiting device 4, wherein the two tool handles 1 are arranged, the two anti-slip sleeves 2 are fixedly embedded at the right ends of the two tool handles 1, the two anti-slip sleeves 2 are made of chloroprene rubber, the chloroprene rubber has good physical and mechanical properties and is strong in corrosion resistance, the shearing device 3 is welded at the left end of the tool handle 1, the limiting device 4 is arranged at the inner side of the shearing device 3, the longer tool handle 1 utilizes the lever principle to enable cables to be easily sheared, and the two anti-slip sleeves 2 made of chloroprene rubber can prevent accidents such as hand drop and the like in the shearing process;

shearing mechanism 3 comprises right blade 31, left blade 311, back shaft 32, fixing device 33, right blade 31 activity block is at back shaft 32 right-hand member, left side blade 311 welded connection is at back shaft 32 left end, fixing device 33 installs at right blade 31 right-hand member, right blade 31 and left blade 311 rear end welded connection have two handle of a knife 1, right blade 31 and left blade 311 are crisscross in back shaft 32 position, and right blade 31 and left blade 311 that stagger in back shaft 32 position can be two cut the cable when handle of a knife 1 moves.

Fixing device 33 comprises last fixed block 331, lower fixed block 332, draw-in groove 333, fastening device 6, it is surperficial at back shaft 32 to go up fixed block 331 lower extreme welded connection, fixed block 332 left side and right blade 31 right side are connected admittedly down, fixed block 332 activity block is on back shaft 32 surface down, draw-in groove 333 is equipped with two altogether, two draw-in groove 333 is sunken in the inboard of last fixed block 331 and lower fixed block 332, fastening device 6 is equipped with two sets ofly altogether, two sets of fastening device 6 is located fixed block 331 and the inside of fixed block 332 down, and when right blade 31 and left blade 311 cut, no matter the size of cable, the cable all can just get into in the draw-in groove 333.

The fastening mechanism 6 consists of a resisting block 61, a push rod 62, a pushing device 63 and a fixing rod 64, the number of the resisting blocks 61 is two, the number of the push rods 62 is two, the rear ends of the two resisting blocks 61 are fixedly connected with the front ends of the two push rods 62 in an embedded manner, the number of the pushing devices 63 is two, the rear ends of the two pushing rods 62 are movably clamped in the pushing devices 63, the two pushing devices 63 are respectively arranged in the upper fixing block 331 and the lower fixing block 332, the fixing rods 64 are provided with two groups, two fixing rods 64 are respectively arranged in each group, the two fixing rods 64 are movably clamped in the pushing device 63, the middle part is sunken with the abutting blocks 61 with two convex sides, the cables are prevented from sliding in the slots 333 after coming into contact with the cables, and the two sets of needle-point-shaped fixing rods 64 can be inserted into the cut cables in four directions to fix the cables in the slots 333.

The pushing device 63 includes a housing 631, a first piston 632, a hydraulic fluid 633, a second piston 634, and a first spring 635, the first piston 632 is movably engaged with an inner wall of the housing 631, the first piston 632 is fixedly connected to a lower portion of the push rod 62, the hydraulic fluid 633 is disposed inside the housing 631, two second pistons 634 are movably engaged with an inner wall of the housing 631, two second pistons 634 are fixedly connected to a lower portion of the fixing rod 64, the first spring 635 is installed between a bottom portion of the inner wall of the housing 631 and the lower portion of the first piston 632, the first spring 635 is a compression spring, a bottom surface area of the first piston 632 is twice as large as that of the second piston 634, when the first piston 632 moves, the hydraulic fluid pushes the two second pistons 634 to move, and when the first piston 632 loses pressure, the first piston 632 is slowly reset.

Based on the above embodiment, the specific working principle is as follows:

the anti-skid sleeve 2 is held by two hands to open the knife handle 1, a cable is sleeved in the shearing device 3, the knife handle 1 is closed to drive the right knife body 31 and the left knife body 311 to be staggered, the cable is cut, when the right knife body 31 and the left knife body 311 are staggered, the upper fixing block 331 rotates downwards along with the supporting shaft 32, the lower fixing block 332 rotates upwards along with the right knife body 31, the cable is collected in the clamping groove 333, when the two abutting blocks 61 abut against the upper surface and the lower surface of the cable, the two push rods 62 move towards the inside of the pushing device 63, the first piston 632 pushes hydraulic fluid 633, the hydraulic fluid 633 in the shell 631 pushes the two second pistons 634, the needle-tip-shaped fixing rods 64 above the second pistons 634 are driven to be inserted into the cable, when the front ends of the upper fixing block 331 and the lower fixing block 332 are attached, the four needle-tip-shaped fixing rods 64 are all inserted into the cable, the cable is fixed on the inner wall of the clamping groove 333, when, the upper fixing block 331 and the lower fixing block 332 are driven to be separated, the abutting block 61 is separated from the surface of the cable, the first piston 632 is pushed by the first spring 635 in a compressed state, the push rod 62 is made to slowly withdraw from the pushing device 63, and the fixing rod 64 is retracted to release the cable fixing on the inner wall of the clamping groove 333.

Example two: referring to fig. 6-8, the embodiment of the present invention is as follows:

the invention provides a novel tool for maintaining power grid equipment, wherein a limiting device 4 consists of a first limiting block 41, a latch 52, a second limiting block 43, a push block 44 and a clamping mechanism 45, the lower end of the first limiting block 41 is welded on the inner side of the left blade body 311, the left side of the upper end of the first limiting block 41 is provided with a latch 52, the latch 52 and the first limit block 41 are integrated, the upper end of the second limit block 43 is welded and connected with the inner side of the right knife body 31, a push block 44 is movably clamped at the right side of the second limit block 43, a semi-cylindrical structure is arranged at the right side of the push block 44, the clamping mechanism 45 is installed inside the first limiting block 41, and when the clamping mechanism 45 clamps the latch 52, the push block 44 can be pushed to release the limit, and the semi-cylindrical structure arranged on the right side of the push block 44 can prevent the hand from slipping with the push block 44 when the push block 44 is pushed by hand.

The clamping mechanism 45 comprises a movable cavity 451, two clamping rods 452, elastic pieces 453, a shift lever 454 and a second spring 455, the movable cavity 451 is recessed at the right side of the lower end of the first limiting block 41, the two clamping rods 452 are arranged, the two clamping rods 452 are movably clamped on the inner wall of the movable cavity 451, the lower end of the clamping rod 452 is of a hook-claw-shaped structure, the two elastic pieces 453 are arranged, the two elastic pieces 453 are riveted on the inner wall of the movable cavity 451, the right lower parts of the two elastic pieces 453 are respectively attached to the left sides of the lower ends of the two clamping rods 452, the left upper parts of the two elastic pieces 453 are attached to the inner wall of the left side of the movable cavity 451, the two elastic pieces 453 are made of spring steel, the material of the spring steel has excellent comprehensive performance, anti-elastic and anti-fatigue performance and no permanent deformation after the load of the elastic deformation is removed, the shift lever 454 is movably matched in the movable cavity 451, the left end of the shift lever, the upper end and the lower end of the right side of the shift lever 454 are attached to the left side of the upper end of the clamping rod 452, the second spring 455 is fixedly connected below the left end of the shift lever 454 in an embedded manner, the second spring 455 is an extension spring, the clamping rod 452 with a hook-shaped lower end can move along with the latch 52 under the pressure of the elastic piece 453 made of spring steel and is attached to the surface of the latch 52, and after the push block 44 drives the shift lever 454 to move, the second spring 455 in an extension state can enable the shift lever 454 to return to the original position.

Based on the above embodiment, the specific working principle is as follows:

when the right blade 31 and the left blade 311 are sheared in an interlaced manner, the first limiting block 41 and the second limiting block 43 are driven to interlace, the clamping mechanism 45 is clamped on the surface of the latch 52, the latch 452 with the lower end of a hook-shaped structure can move along with the latch 52 under the pressure of the spring sheet 453 made of spring steel, when the latch 452 is pulled back, the hook-shaped structures of the two latch 452 are attached to the surface of the latch 52 to limit the first limiting block 41 and the second limiting block 43, so that the interlaced angle between the right blade 31 and the left blade 311 is fixed, the fixing device 33 is prevented from being loosened, a cable to be recovered is prevented from falling off, when the fixing device 33 is to be opened, the pushing block 44 is pushed upwards by hand to drive the shifting lever 454 to move upwards, the shifting lever 454 is attached to the left side surface of the latch 452, so that the upper end of the latch 452 moves rightwards, and the hook-shaped structure of the lower end of the latch 452 moves away from the latch 52, the first stopper 41 and the second stopper 43 are fixed, the knife handle 1 is opened, the first stopper 41 and the second stopper 43 which are staggered are separated, the fixing device 33 releases the cable, the push block 44 is released after the limitation is released, and the second spring 455 in a stretching state enables the shift lever 454 to return to the original position.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel instrument is used in power grid equipment maintenance, its structure includes handle of a knife (1), antiskid cover (2), shearing mechanism (3), stop device (4), its characterized in that:

the anti-skidding sleeve (2) is fixedly connected to the right end of the cutter handle (1) in an embedded mode, the shearing device (3) is connected to the left end of the cutter handle (1) in a welded mode, and the limiting device (4) is arranged on the inner side of the shearing device (3);

shearing mechanism (3) comprise right blade (31), left blade (311), back shaft (32), fixing device (33), right blade (31) activity block is at back shaft (32) right-hand member, left blade (311) welded connection is in back shaft (32) left end, fixing device (33) are installed at right blade (31) right-hand member.

2. The novel power grid equipment maintenance tool of claim 1, characterized in that: fixing device (33) comprise last fixed block (331), lower fixed block (332), draw-in groove (333), fastening device (6), go up fixed block (331) lower extreme welded connection on back shaft (32) surface, fixed block (332) left side and right blade (31) right side are inlayed fixedly down and are connected, fixed block (332) activity block is on back shaft (32) surface down, draw-in groove (333) are equipped with two altogether, two draw-in groove (333) are sunken in the inboard of last fixed block (331) and lower fixed block (332), fastening device (6) are equipped with two sets ofly altogether, two sets of fastening device (6) are located fixed block (331) and the inside of fixed block (332) down.

3. The novel power grid equipment maintenance tool of claim 2, characterized in that: fastening device (6) are by supporting piece (61), push rod (62), thrust unit (63), dead lever (64) and constitute, support piece (61) rear end embedded joint and connect in push rod (62) front end, push rod (62) rear end activity block is inside thrust unit (63), thrust unit (63) are equipped with two altogether, two thrust unit (63) are installed respectively at last fixed block (331) and under inside fixed block (332), dead lever (64) are equipped with two altogether, and every group dead lever (64) respectively is equipped with two, two dead lever (64) activity block is inside thrust unit (63).

4. The novel power grid equipment maintenance tool of claim 3, characterized in that: thrust unit (63) comprises casing (631), first piston (632), hydraulic fluid (633), second piston (634), first spring (635), the inside activity block of casing (631) has first piston (632), fixed connection is inlayed below push rod (62) in first piston (632) top, hydraulic fluid (633) are located inside casing (631), second piston (634) are equipped with two altogether, two second piston (634) activity block is inside casing (631), two second piston (634) top is inlayed fixed connection and is two dead lever (64) below, first spring (635) are installed between casing (631) inner wall bottom and first piston (632) below.

5. The novel power grid equipment maintenance tool of claim 1, characterized in that: the limiting device (4) is composed of a first limiting block (41), a latch (52), a second limiting block (43), a push block (44) and a clamping and fixing mechanism (45), the lower end of the first limiting block (41) is connected to the inner side of a left cutter body (311) in a welded mode, the latch (52) is arranged on the left side of the upper end of the first limiting block (41), the latch (52) and the first limiting block (41) are of an integrated structure, the upper end of the second limiting block (43) is connected to the inner side of a right cutter body (31) in a welded mode, the push block (44) is movably clamped on the right side of the second limiting block (43), and the clamping and fixing mechanism (45) is installed inside the first limiting block (41).

6. The novel power grid equipment maintenance tool of claim 5, wherein: the clamping mechanism (45) is composed of a movable cavity (451), a clamping rod (452), an elastic sheet (453), a shifting rod (454) and a second spring (455), the movable cavity (451) is sunken on the right side of the lower end of the first limiting block (41), the clamping rod (452) is movably clamped on the inner wall of the movable cavity (451), the middle of the elastic sheet (453) is riveted on the inner wall of the movable cavity (451), the shifting rod (454) is movably matched inside the movable cavity (451), and the second spring (455) is fixedly connected below the left end of the shifting rod (454).