CN220691785U

CN220691785U - Protection equipment

Info

Publication number: CN220691785U
Application number: CN202322404628.5U
Authority: CN
Inventors: 张金亮; 张广宗; 周通
Original assignee: Linyi Jinhao Line Accessories Co ltd
Current assignee: Linyi Jinhao Line Accessories Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-03-29
Anticipated expiration: 2033-09-05

Abstract

The utility model provides protection equipment, which comprises a porcelain head and a steel cap arranged at the upper end of the porcelain head, wherein an installation box is arranged at the middle position of the upper end of the steel cap, the upper end surface of the installation box is downwards recessed to form a U-shaped groove, the U-shaped groove extends to the top end inside the installation box, the U-shaped groove extends to the front end of the installation box, a cylinder is arranged at the middle position of the lower end of the porcelain head, a clamping block matched with the installation box is arranged on the cylinder, a rectangular block is arranged at the upper end of the steel cap, the upper end surface of the rectangular block is downwards recessed to form a plurality of concave holes, a disc is connected inside the concave holes in a sliding manner, an elastic piece is arranged between the lower end of the disc and the bottom end inside the concave holes, and a limiting block is arranged at the middle position of the upper end of the disc, and extends out of the upper side of the concave holes and is positioned right in front of an opening of the installation box.

Description

Protection equipment

Technical Field

The utility model relates to protection equipment, and belongs to the technical field of insulators.

Background

The insulator is a device which is arranged between conductors or conductors with different electric potentials and a grounding component and can bear the action of voltage and mechanical stress, wherein the steel cap and the porcelain head are one of main accessories in the insulator, the steel cap is arranged at the upper end of the porcelain head, a groove with an inverted T-shaped cross section is formed in the upper end of the steel cap in the prior art, a rod with a stud is arranged at the lower end of the porcelain head, during assembly, a nut is generally inserted into the transverse part of the groove, then the stud penetrates through the vertical part of the groove and is in butt joint with the nut, then the stud is rotated, and then the stud is in threaded connection with the nut, so that the rod is connected with the steel cap, the installation between two adjacent porcelain heads is realized, but in the threaded connection process of the stud and the nut, the stud penetrates through the nut, the stud easily extrudes the bottom end inside the groove, so that the stud always applies a downward pressure to the top of the steel cap in the use process of the assembled insulator, the probability of damaging the steel cap is high, and the safety is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the protection equipment so as to solve the problems in the background art, and the utility model achieves the aim of limiting installation between the clamping block and the installation box, and effectively avoids the phenomenon that pressure is applied to the steel cap after the assembly, thereby reducing the probability of damage to the steel cap and ensuring good safety.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a protection equipment, includes the ceramic head and sets up the steel cap in the ceramic head upper end, steel cap upper end intermediate position sets up the opening of mounting box and arranges forward, mounting box up end undercut forms U type groove and extends to the inside top of mounting box, U type groove extends to the mounting box front end, ceramic head lower extreme intermediate position sets up the cylinder of vertical arrangement, the cylinder sets up the fixture block that uses with the mounting box cooperation, steel cap upper end installation rectangle piece, rectangle piece up end undercut forms a plurality of shrinkage pool, the inside sliding connection disc of shrinkage pool, set up the elastic component between disc lower extreme and the inside bottom of shrinkage pool, disc upper end intermediate position sets up the stopper of vertical arrangement, stopper extends shrinkage pool upside and stopper and is in the opening in front of mounting box.

Further, the concave hole inner wall outwards sunken to form the draw-in groove, the last locating part of assembly of draw-in groove, the locating part laminating is in the disc upper end and the locating part is in the stopper outside.

Further, the stopper outside sets up T type stopper, the horizontal portion laminating of T type stopper is in the rectangular piece upper end, the vertical portion of T type stopper extends into the shrinkage pool in and T type stopper is located the locating part upper end.

Further, the rear end face of the clamping block is recessed forward to form a plurality of positioning holes, and a plurality of positioning columns which are longitudinally arranged and matched with the positioning holes are arranged on the inner rear wall of the mounting box at equal intervals.

Further, the outer end of the positioning column is inwards recessed to form a placing groove, an auxiliary piece is assembled on the placing groove, the auxiliary piece is attached to the inner wall of the positioning hole, and the positioning column is in interference fit with the positioning hole through the auxiliary piece.

Further, the annular end of the steel cap is recessed to form a plurality of annular grooves, and zinc ring pieces are arranged on the annular grooves.

Further, the zinc ring piece includes two semicircular zinc rings of relative arrangement, two semicircular zinc rings all block into the ring channel, both ends all set up straight board about the semicircular zinc ring, straight board towards outer end laminating nut and nut are in the steel cap outside, another of corresponding one side straight board towards the nut of outer end laminating screw and screw be in the steel cap outside, the pole portion of screw runs through two straight boards of corresponding one side and with nut threaded connection, has the clearance between two straight boards of corresponding one side.

Further, the front end of the clamping block is provided with a plurality of U-shaped clamping plates which are vertically arranged and matched with the limiting block, and the lower end face of the U-shaped clamping plate is overlapped with the lower end face of the clamping block.

The utility model has the beneficial effects that:

1. the fixture block is utilized to apply down force to a plurality of limiting blocks, so that the limiting blocks and the disc move downwards, the elastic piece is compressed, elastic force is generated by the elastic piece, the fixture block is moved to the position right in front of the opening of the installation box, then the fixture block is inserted into the installation box, the disc and the limiting blocks move upwards under the action of the elastic force of the elastic piece, the limiting blocks are inserted into the U-shaped clamping plates, the purpose of limiting installation between the limiting blocks and the installation box is achieved, the phenomenon that pressure is applied to the steel cap after assembly is effectively avoided, the damage probability of the steel cap is reduced, the steel cap is protected, and the safety is good.

2. The screw and the nut are utilized to fasten and install the two semicircular zinc rings on the annular groove, so that the structure formed by the two semicircular zinc rings is limited to be installed on the outer end of the steel cap, the corrosion probability of the steel cap due to electrolysis can be reduced by utilizing the structure formed by the two semicircular zinc rings, the protection performance is realized, when the screw and the nut cannot be normally dismounted, the screw rod part between the gaps between the two straight plates can be cut off, the convenient dismounting between the two semicircular zinc rings and the steel cap is realized, and the maintenance is convenient.

3. Make the pole portion threaded connection of bolt to threaded hole, make be connected between fixture block and the cylinder, can rotate the bolt in addition to make the pole portion of bolt reciprocate along the threaded hole under the effect of screw thread, reach the purpose of adjusting the distance between fixture block and the cylinder, the practicality is good.

4. Utilize reference column and locating hole, make the location installation between mounting box and the fixture block to through the rubber circle, make interference fit between reference column and the locating hole, thereby make the stable installation between mounting box and the fixture block.

5. The clamping springs are assembled on the clamping grooves, so that the discs are limited to be installed in the concave holes, convenient disassembly and assembly of components in the concave holes are realized, and assembly and maintenance are facilitated.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a protection device according to the present utility model;

fig. 2 is a perspective view of a protection device according to the present utility model;

FIG. 3 is an assembly view of a cylinder and a cartridge in a protective device according to the present utility model;

FIG. 4 is a perspective view of a steel cap in a protective device according to the present utility model;

fig. 5 is a cross-sectional view of a mounting box in a protective apparatus according to the present utility model;

fig. 6 is an assembly diagram of a rectangular block and a stopper in a protection device according to the present utility model.

In the figure: the novel steel wire rope welding device comprises a 1-mounting box, a 2-steel cap, a 3-porcelain head, a 4-cylinder, a 5-clamping block, a 6-rectangular block, a 7-limiting block, an 8-positioning column, an 11-U-shaped groove, a 21-semicircular zinc ring, a 22-straight plate, a 23-annular groove, a 51-U-shaped clamping plate, a 52-positioning hole, a 53-groove, a 54-bolt, a 55-round rod, a 61-T-shaped plug, a 62-clamping spring, a 63-concave hole, a 64-elastic piece, a 71-disc and an 81-rubber ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and fig. 4, the present utility model provides a technical solution: the protection equipment comprises a porcelain head 3 and a steel cap 2 arranged at the upper end of the porcelain head 3, wherein a plurality of annular grooves 23 are formed towards the concave direction at the annular end of the steel cap 2, two straight plates 22 are respectively arranged at the left end and the right end of a semicircular zinc ring 21, the two semicircular zinc rings 21 which are oppositely arranged can be clamped into the annular grooves 23, then the rod parts of screws positioned at the outer side of the steel cap 2 penetrate through the two straight plates 22 with gaps between the two corresponding sides and are in threaded connection with nuts attached to the outer end face of one straight plate 22 and positioned at the outer side of the steel cap 2, the nuts of the screws are attached to the outer end of the other straight plate 22 at the corresponding side, the two semicircular zinc rings 21 are fastened and mounted on the annular grooves 23, the structure formed by the two semicircular zinc rings 21 is limited to be mounted at the outer end of the steel cap 2, corrosion probability of the steel cap 2 due to electrolysis can be reduced by utilizing the structure formed by the two semicircular zinc rings 21, protection performance is realized, when the screws and the nuts cannot be detached normally, the rod parts positioned between the two straight plates 22 are cut off, and the two zinc rings 21 are convenient to detach from the steel cap 2.

As shown in fig. 1, 2, 3 and 5, a U-shaped groove 11 extending to the top end inside the mounting box 1 and extending to the front end of the mounting box 1 is formed in the upper end face of the mounting box 1 by being recessed downward, a mounting space is provided for the cylinder 4 by the U-shaped groove 11, the mounting box 1 arranged with the opening facing forward is arranged at the middle position of the upper end of the steel cap 2, a plurality of positioning columns 8 arranged longitudinally and used together with the positioning holes 52 are arranged on the inner rear wall of the mounting box 1 at equal intervals, a placing groove is formed in the inner end of the positioning columns 8 by being recessed inward, the cylinder 4 arranged vertically is arranged at the middle position of the lower end of the porcelain head 3, a threaded hole is formed in the lower end face of the cylinder 4 by being recessed upward, a groove 53 is formed in the lower end face of the fixture block 5 used together with the mounting box 1 by being recessed upward, a nut of the bolt 54 is hidden by the groove 53, the stem of the bolt 54 in the groove 53 is penetrated through the fixture block 5 and the bolt 54 is connected with the fixture block 5 in a rotating manner, then the rod part of the bolt 54 is connected into the threaded hole by threads, the clamping block 5 is connected with the cylinder 4, in addition, the bolt 54 can be rotated, the rod part of the bolt 54 can move up and down along the threaded hole under the action of the threads, the purpose of adjusting the distance between the clamping block 5 and the cylinder 4 is achieved, the practicability is good, a plurality of positioning holes 52 positioned at the outer side of the groove 53 are formed by forwardly sinking the rear end surface of the clamping block 5 matched with the mounting box 1, when in assembly, the auxiliary piece is assembled on the placing groove, then the clamping block 5 is inserted into the mounting box 1 on the insulator structure formed by the porcelain head 3 and the steel cap 2, the connection between the two insulator structures is realized, at the moment, the positioning column 8 is inserted into the positioning holes 52, the mounting box 1 and the clamping block 5 are positioned and mounted, and the auxiliary piece is attached on the inner wall of the positioning holes 52, through auxiliary member, make carry out interference fit between reference column 8 and the locating hole 52 to make stable installation between mounting box 1 and the fixture block 5, the terminal surface upwards is sunken to form a plurality of vertical arrangement's guiding hole under cylinder 4, will be a plurality of round bars 55 that are located the bolt 54 outside that are circular arrangement insert a plurality of guiding holes respectively in, make sliding connection between round bar 55 and the guiding hole, can lead fixture block 5 to remove, and prevent fixture block 5 to produce the rotation phenomenon, stability is good, wherein the auxiliary member can adopt rubber circle 81.

As shown in fig. 1, 2, 3 and 6, a plurality of concave holes 63 are formed by downwards sinking the upper end surface of a rectangular block 6 arranged at the upper end of a steel cap 2, a clamping groove is formed by outwards sinking the inner wall of the concave hole 63, an elastic piece 64 is firstly arranged at the inner bottom end of the concave hole 63, then a disc 71 which is in sliding connection with the concave hole 63 is inserted into the concave hole 63, the disc 71 is attached to the upper end of the elastic piece 64, then a limiting piece arranged at the outer side of a limiting block 7 is assembled on the clamping groove, the limiting piece is attached to the upper end of the disc 71, thereby limiting the disc 71 to be arranged in the concave hole 63, the convenient disassembly and assembly of components in the concave hole 63 are realized, the assembly and maintenance are convenient, the vertical part positioned at the outer side of the limiting block 7 is extended into the concave hole 63, a T-shaped plug 61 is attached to the upper end of the limiting piece, the transverse part of the T-shaped plug 61 is attached to the upper end of the rectangular block 6, the opening of the concave hole 63 can be plugged so as to protect the internal parts of the concave hole 63, when the disc 71 is installed in the concave hole 63, the limiting block 7 which is arranged in the middle of the upper end of the disc 71 and is vertically arranged extends out of the upper side of the concave hole 63, the limiting block 7 is positioned right in front of the opening of the installation box 1, a plurality of U-shaped clamping plates 51 which are vertically arranged, the lower end faces of the U-shaped clamping plates are overlapped with the lower end faces of the clamping blocks 5 and are matched with the limiting block 7 for use are equidistantly arranged on the front end of the clamping block 5, when in use, the clamping block 5 is utilized to apply downward pressure to the limiting blocks 7, so that the limiting blocks 7 synchronously move downwards, the disc 71 moves downwards along the concave hole 63, the elastic part 64 is compressed, the elastic part 64 generates elastic force, the clamping block 5 is simultaneously moved to the right in front of the opening of the installation box 1, then the clamping block 5 is pushed, the clamping block 5 is inserted into the installation box 1, at this moment, the downward pressure on the limiting block 7 is relieved, and under the action of the elastic force of the elastic piece 64, the disc 71 moves upwards along the concave hole 63, and then the limiting block 7 moves upwards, so that the limiting block 7 is inserted into the U-shaped clamping plate 51, the purpose of limiting installation between the clamping block 5 and the installation box 1 is achieved, the phenomenon that pressure can be applied to the steel cap 2 after assembly is effectively avoided, the probability of damage to the steel cap 2 is reduced, the steel cap 2 is protected, the safety is good, the elastic piece 64 can adopt a spring, and the limiting piece can adopt a clamping spring 62.

The present disclosure describes embodiments in terms of which each embodiment does not comprise a separate embodiment, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the embodiments in the examples may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

Claims

1. The utility model provides a protection equipment, includes ceramic head (3) and sets up steel cap (2) in ceramic head (3) upper end, its characterized in that: the utility model provides a steel cap (2) upper end intermediate position sets up mounting box (1) and mounting box (1) opening forward and arranges, mounting box (1) up end undercut forms U type groove (11) and U type groove (11) extend to mounting box (1) inside top, U type groove (11) extend to mounting box (1) front end, ceramic head (3) lower extreme intermediate position sets up cylinder (4) of vertical arrangement, cylinder (4) set up fixture block (5) of using with mounting box (1) cooperation, steel cap (2) upper end installation rectangle piece (6), rectangle piece (6) up end undercut forms a plurality of shrinkage pool (63), shrinkage pool (63) inside sliding connection disc (71), set up elastic component (64) between disc (71) lower extreme and the inside bottom of shrinkage pool (63), disc (71) upper end intermediate position sets up stopper (7) of vertical arrangement, stopper (7) extend shrinkage pool (63) upside and stopper (7) are in the opening place ahead of mounting box (1).

2. A protection device according to claim 1, characterized in that: the inner wall of the concave hole (63) is outwards sunken to form a clamping groove, a limiting piece is assembled on the clamping groove, and the limiting piece is attached to the upper end of the disc (71) and is located on the outer side of the limiting block (7).

3. A protection device according to claim 2, characterized in that: the T-shaped plug (61) is arranged on the outer side of the limiting block (7), the transverse portion of the T-shaped plug (61) is attached to the upper end of the rectangular block (6), the vertical portion of the T-shaped plug (61) extends into the concave hole (63) and the T-shaped plug (61) is located at the upper end of the limiting piece.

4. A protection device according to claim 1, characterized in that: the rear end face of the clamping block (5) is recessed forward to form a plurality of positioning holes (52), and a plurality of positioning columns (8) which are longitudinally arranged and matched with the positioning holes (52) are arranged on the inner rear wall of the installation box (1) at equal intervals.

5. A protection device according to claim 4, characterized in that: the positioning column (8) is characterized in that the outer end of the positioning column (8) is recessed inwards to form a placing groove, an auxiliary piece is assembled on the placing groove, the auxiliary piece is attached to the inner wall of the positioning hole (52), and the positioning column (8) is in interference fit with the positioning hole (52) through the auxiliary piece.

6. A protection device according to claim 1, characterized in that: the annular end of the steel cap (2) is recessed to form a plurality of annular grooves (23), and the annular grooves (23) are provided with zinc ring pieces.

7. A protection device according to claim 6, characterized in that: the zinc ring piece comprises two semicircular zinc rings (21) which are oppositely arranged, the two semicircular zinc rings (21) are clamped into annular grooves (23), straight plates (22) are arranged at the left end and the right end of each semicircular zinc ring (21), nuts are attached to the outer ends of the straight plates (22) and located on the outer sides of steel caps (2), the other one of the corresponding sides of the straight plates is attached to a screw cap of a screw towards the outer ends of the straight plates (22) and located on the outer sides of the steel caps (2), the rod portion of the screw penetrates through the two straight plates (22) on the corresponding side and is in threaded connection with the nuts, and gaps are reserved between the two straight plates (22) on the corresponding side.

8. A protection device according to claim 1, characterized in that: the front end of the clamping block (5) is provided with a plurality of U-shaped clamping plates (51) which are vertically arranged and matched with the limiting block (7), and the lower end face of the U-shaped clamping plates (51) is overlapped with the lower end face of the clamping block (5).