CN221327463U - End cover trimming tool for 10kV porcelain bushing lightning arrester - Google Patents

Abstract

The utility model discloses a trimming tool for an end cover of a 10kV porcelain bushing arrester, and relates to the technical field of arrester processing. The lightning arrester comprises a base, a lightning arrester main body, a sealing cover and a binding assembly, wherein the lightning arrester main body is arranged at the upper ends of the arc-shaped block I and the arc-shaped block II; an elliptical arc edge is arranged on the outer peripheral side of the tail part of the lightning arrester main body, and a sealing cover is sleeved on the tail part of the lightning arrester main body; the third support plate and the fourth support plate are provided with edge rolling assemblies, and the edge rolling assemblies comprise right-angle sections, first thread sections, bending sections and second thread sections which are sequentially connected. According to the utility model, the trimming assembly, the first rubber pad, the second rubber pad, the elliptical arc edge, the sealing cover and the elliptical arc groove are arranged, so that the problems that gaps are easy to generate and accurate trimming structure assistance is lacking when the sealing cover is assembled are solved; and the porcelain jacket lacks protection and the conventional sealing cover has insufficient tightness and is easy to fall off when being assembled with the sealing cover.

Description

End cover trimming tool for 10kV porcelain bushing lightning arrester

Technical Field

The utility model belongs to the technical field related to lightning arrester processing, and particularly relates to a trimming tool for an end cover of a 10kV porcelain bushing lightning arrester.

Background

The 10kV porcelain bushing arrester is internally composed of a PBT (polybutylene terephthalate) structural core group, a porcelain bushing, a sealing cover and other parts, the sealing cover always has a long-term problem, in the assembly process, the sealing cover needs to be tightly sleeved on the edge of the porcelain bushing end, the sealing cover is guaranteed not to fall off, the sealing performance is good, otherwise, water vapor is caused to invade the porcelain bushing, and accordingly direct-current 1mA of the arrester participates in voltage drop and leakage current is increased. Therefore, the perfect combination of the sealing cover and the porcelain bushing port is critical, but the current sealing cover mounting mode still has the following defects:

When the sealing cover is sleeved at the end part of the porcelain bushing, the sealing cover is usually manually processed to ensure that the porcelain bushing cannot be broken due to excessive or insufficient force, the sealing cover cannot be perfectly aligned easily due to manual assembly, the sealing cover is difficult to perfectly combine with the port, and gaps caused by slight deformation easily exist, so that the sealing performance is insufficient and the sealing cover is invaded by water vapor, so that corresponding tools are required to be mechanically assisted, and the perfect edging assembly can be realized;

Secondly, in the sleeving process of the sealing cover, the porcelain jacket of the lightning arrester is necessarily required to bear certain acting force, is required to be rigidly extruded into the tail end part of the porcelain jacket to be sleeved, and is easy to damage once the porcelain jacket is excessively stressed, so that certain protection treatment is required to be carried out on the porcelain jacket during assembly;

Finally, the conventional sealing cover is directly sleeved at the end part of the porcelain jacket for protection treatment, no special structure exists, the 10kV porcelain jacket arrester is very large in annual supply quantity and mainly supplied in the south area, and the climate in the south area is moist, so that the sealing performance of the arrester is not strict, the tripping phenomenon of a power system can be caused, in addition, in the long-term operation of the arrester body, the end cover of the sealing cover of the arrester falls off due to the influence of long-term tensile force, and the sealing performance and the falling-off-proof function of the sealing cover of the arrester are required to be ensured.

Disclosure of utility model

The utility model aims to provide a trimming tool for an end cover of a 10kV porcelain bushing arrester, which solves the problems that a sealing cover is inaccurate, gaps are easy to generate and the accurate trimming structure is lacked to assist when being assembled by arranging a trimming assembly, a first rubber pad, a second rubber pad, an elliptical arc edge, a sealing cover and an elliptical arc groove; and the porcelain jacket lacks protection and the conventional sealing cover has insufficient tightness and is easy to fall off when being assembled with the sealing cover.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to an end cover edging fixture for a 10kV porcelain bushing arrester, which comprises a base, an arrester main body, a sealing cover and a edging assembly, wherein a first support plate, a second support plate, a third support plate and a fourth support plate are sequentially fixed at the upper end of the base, an arc block I is fixed at the upper end of the first support plate, an arc block II is fixed at the upper end of the second support plate, and the arrester main body is erected at the upper ends of the arc block I and the arc block II;

the first arc-shaped block and the second arc-shaped block are respectively arranged on the first support plate and the second support plate, and the lightning arrester main body (the porcelain outer sleeve part) is supported by the first arc-shaped block and the second arc-shaped block;

The tail end of the lightning arrester main body is erected on the arc-shaped block II, an elliptical arc edge is arranged on the outer peripheral side of the tail of the lightning arrester main body, and a sealing cover is sleeved on the tail of the lightning arrester main body;

an elliptical arc groove matched with the elliptical arc edge is arranged in the sealing cover, and the elliptical arc groove is firmly matched with the elliptical arc surface, so that the sealing performance is better in long-term use and the sealing cover cannot fall off;

The support plate III and the support plate IV are provided with edge rolling assemblies, each edge rolling assembly comprises a right-angle section, a first thread section, a bending section and a second thread section which are sequentially connected, the first thread section is in threaded connection with the support plate III, the second thread section is in threaded connection with the support plate IV, and one end, far away from the first thread section, of the right-angle section is fixedly provided with a ball and is close to the sealing cover;

When the edge is rolled, the rotation of the bending section is manually controlled, at the moment, the first thread section and the second thread section respectively synchronously advance in the third support plate and the fourth support plate, the balls at the end parts of the right-angle sections can move circumferentially along with the rotation of the first thread section, the sealing cover is uniformly extruded gradually along with the advance of the first thread section to approach the lightning arrester main body until the sealing cover completely fits the end part of the lightning arrester main body, and the assembly is completed.

Further, a first rubber pad matched with the cross section of the arc-shaped block is fixed on two side surfaces of the first arc-shaped block, a second rubber pad matched with the cross section of the arc-shaped block is fixed on two side surfaces of the second arc-shaped block, and the first rubber pad and the second rubber pad which are close to each other contact the lightning arrester main body;

The first rubber pad is matched with the second rubber pad, so that stress is buffered when the lightning arrester main body is assembled with the sealing cover.

Further, an elliptical arc groove matched with the elliptical arc edge is formed in the inner wall of the sealing cover, the sealing cover wraps the position of the elliptical arc edge in the lightning arrester main body, and a connector at the tail end of the lightning arrester main body extends out through the sealing cover.

Further, the ball is abutted against the end face of the sealing cover; the sealing cover is continuously extruded to approach the lightning arrester main body along with the circular motion of the ball.

Further, two symmetrical bearings are connected to the outer circle of the horizontal part of the bending section in a rotating way, and a sleeve is fixed on the outer ring of the two bearings together; the handheld sleeve controls the bending section to rotate, and because of the rotating connection structure of the bearing, when the bending section is held to rotate, the hand of a worker does not need to be redirected, and the whole operation is more convenient.

Further, the axes of the lightning arrester main body, the first thread section and the second thread section are positioned on the same horizontal line, and the horizontal parts of the right-angle section and the bending section are positioned at the same horizontal height.

Further, reinforcing rib plates are welded and fixed on two side edges of the first support plate, the second support plate, the third support plate and the fourth support plate, and the bottom surfaces of the reinforcing rib plates are welded and fixed on the base; the design of a plurality of deep floor, effectual improvement holistic structural strength makes the arrester main part more stable with sealed lid equipment time.

The utility model has the following beneficial effects:

According to the utility model, the trimming assembly and the sealing cover are arranged, so that the problems that gaps are easy to generate and the accurate trimming structure assistance is lacking when the sealing cover is assembled are solved; when the edging, establish the simple cover of sealed lid in the tip of arrester main part earlier, the rotation of manual control bending section, and the ball of right angle section tip can be along with the rotation of screw thread section one, is circular motion at the terminal surface of sealed lid, even and along with screw thread section one advance progressively extrude sealed lid towards the arrester main part be close to, until accomplishing the equipment, this edging operation is more efficient, more stable, the error is less, more laborsaving, be difficult for makeing mistakes.

According to the utility model, the first rubber pad and the second rubber pad are arranged, so that the problem that the porcelain jacket lacks protection when assembled with the sealing cover is solved; the cooperation of rubber pad one and rubber pad two for the atress when arrester main part and sealed lid equipment obtains buffering, and can not directly with arc piece one and arc piece etc. direct contact, produce hard friction and damage.

The utility model solves the problems of insufficient tightness and easy falling of the conventional sealing cover by arranging the elliptical arc edge, the sealing cover and the elliptical arc groove; after the sealing cover is sleeved on the sealing cover, the elliptical arc groove is firmly matched with the elliptical arc surface, so that the sealing performance in long-term use is better, the sealing cover cannot fall off, the long service life is ensured, the stress area of the lightning arrester in the operation working condition is increased, and the damage rate of the lightning arrester in the operation is reduced.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.

FIG. 1 is a perspective view of a trimming tool for an end cover of a 10kV porcelain bushing arrester;

FIG. 2 is a perspective view of a base and its upper structure;

Fig. 3 is a structural view of the lightning arrester main body;

FIG. 4 is a block diagram of a binding assembly;

FIG. 5 is a block diagram of the piping assembly with the sleeve in section;

Fig. 6 is a sectional view of the seal cap.

Reference numerals:

1. A base; 101. a first support plate; 1011. arc-shaped block I; 1012. a first rubber pad; 102. a second support plate; 1021. arc-shaped blocks II; 1022. a second rubber pad; 103. a third support plate; 104. a support plate IV; 105. reinforcing rib plates; 2. a lightning arrester body; 201. an elliptical arc edge; 3. sealing cover; 301. an elliptical arc groove; 4. a binding assembly; 401. a right angle section; 4011. a ball; 402. a first thread section; 403. bending sections; 4031. a sleeve; 4032. a bearing; 404. and a second thread section.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the utility model discloses a trimming tool for an end cover of a 10kV porcelain bushing arrester, which comprises a base 1, an arrester main body 2, a sealing cover 3 and a trimming assembly 4, wherein a first support plate 101, a second support plate 102, a third support plate 103 and a fourth support plate 104 are sequentially fixed at the upper end of the base 1, an arc block 1011 is fixed at the upper end of the first support plate 101, an arc block two 1021 is fixed at the upper end of the second support plate 102, and the arrester main body 2 is commonly erected at the upper ends of the arc block two 1011 and the arc block two 1021;

The first arc-shaped block 1011 and the second arc-shaped block 1021 are respectively arranged through the first support plate 101 and the second support plate 102, and the first arc-shaped block 1011 and the second arc-shaped block 1021 are inconsistent in size, but the axes are on the same straight line, so that the lightning arrester main body 2 (a porcelain outer sleeve part) is supported through the first arc-shaped block 1011 and the second arc-shaped block 1021 together;

The tail end of the lightning arrester main body 2 is erected on an arc-shaped block II 1021, an elliptical arc edge 201 is arranged on the outer peripheral side of the tail of the lightning arrester main body 2, and a sealing cover 3 is sleeved at the tail of the lightning arrester main body 2;

The sealing cover 3 is sleeved at the tail end part of the lightning arrester main body 2, the traditional structural design is changed by additionally arranging the elliptical arc edge 201, an elliptical arc groove 301 which is matched with the elliptical arc edge 201 is arranged in the sealing cover 3, after the sealing cover 3 is sleeved on the sealing cover, the elliptical arc groove 301 is firmly matched with the elliptical arc surface, the sealing performance in long-term use is better, the sealing cover cannot fall off, and the long service life is ensured;

The third support plate 103 and the fourth support plate 104 are provided with a binding assembly 4, the binding assembly 4 comprises a right-angle section 401, a first thread section 402, a bending section 403 and a second thread section 404 which are sequentially connected, wherein the first thread section 402 is in threaded connection with the third support plate 103, the second thread section 404 is in threaded connection with the fourth support plate 104, and one end, far away from the first thread section 402, of the right-angle section 401 is fixedly provided with a ball 4011 and is close to the sealing cover 3;

When in edging, the sealing cover 3 is simply sleeved at the end part of the lightning arrester main body 2, the balls 4011 are close to and abutted against the end part of the sealing cover 3, the rotation of the bending section 403 is manually controlled, the first thread section 402 and the second thread section 404 synchronously advance in the third support plate 103 and the fourth support plate 104 respectively, the balls 4011 at the end part of the right-angle section 401 move circumferentially along with the rotation of the first thread section 402, the sealing cover 3 is gradually extruded towards the lightning arrester main body 2 along with the advance of the first thread section 402 and the second thread section 404 uniformly until the sealing cover 3 is completely attached to the end part of the lightning arrester main body 2, and the edging operation is more efficient, more stable, less in error and is less in error.

Two side surfaces of the arc-shaped block I1011 are both fixed with a rubber gasket I1012 matched with the cross section size of the arc-shaped block I, two side surfaces of the arc-shaped block II 1021 are fixed with a rubber gasket II 1022 matched with the cross section size of the arc-shaped block II, and the rubber gasket I1012 and the rubber gasket II 1022 which are close to each other are contacted with the lightning arrester main body 2;

The cooperation of the first rubber pad 1012 and the second rubber pad 1022 allows the stress of the lightning arrester main body 2 during the assembly with the sealing cover 3 to be buffered, and the lightning arrester main body can not directly contact with the first arc-shaped block 1011, the second arc-shaped block 1021 and the like to generate hard friction so as to be damaged.

An elliptical arc groove 301 which is matched with the elliptical arc edge 201 is formed in the inner wall of the sealing cover 3, the sealing cover 3 wraps the position of the elliptical arc edge 201 in the lightning arrester main body 2, and a joint at the tail end of the lightning arrester main body 2 extends out through the sealing cover 3; the mutually matched structures are more sealed and more fastened and can not fall off compared with the traditional sealing cover 3 which is directly buckled.

The ball 4011 abuts against the end face of the seal cover 3; the sealing cap 3 is continuously pressed toward the arrester body 2 along with the circumferential movement of the ball 4011.

The outer circle of the horizontal part of the bending section 403 is in rotary connection with two symmetrical bearings 4032, and the outer rings of the two bearings 4032 are jointly fixed with a sleeve 4031; the handheld sleeve 4031 controls the bending section 403 to rotate, and the bending section 403 is held by the rotating connection structure of the bearing 4032, so that the hand of a worker does not need to be redirected, and the whole operation is more convenient.

The axes of the lightning arrester main body 2, the first thread section 402 and the second thread section 404 are positioned on the same horizontal line, and the horizontal parts of the right-angle section 401 and the bending section 403 are positioned at the same horizontal level.

Reinforcing rib plates 105 are welded and fixed on two side edges of the first support plate 101, the second support plate 102, the third support plate 103 and the fourth support plate 104, and the bottom surfaces of the reinforcing rib plates 105 are welded and fixed on the base 1; the design of the reinforcing rib plates 105 effectively improves the overall structural strength, so that the lightning arrester main body 2 and the sealing cover 3 are more stable in assembly.

The specific working principle of the utility model is as follows: an arc-shaped block I1011 and an arc-shaped block II 1021 are respectively arranged on a base 1 through a support plate I101 and a support plate II 102, the axes of the arc-shaped block I1011 and the arc-shaped block II 1021 are both in the same straight line, the lightning arrester main body 2 (a porcelain outer sleeve part) is supported through the arc-shaped block I1011 together, a rubber pad I1012 matched with the section size of the lightning arrester main body is fixed on the two side surfaces of the arc-shaped block I1011, a rubber pad II 1022 matched with the section size of the lightning arrester main body is fixed on the two side surfaces of the arc-shaped block II 1021, and the rubber pad I1012 and the rubber pad II 1022 which are close to each other are contacted with the lightning arrester main body 2, so that the stress when the lightning arrester main body 2 is assembled with a sealing cover 3 is buffered, and the lightning arrester main body 2 is not directly contacted with the arc-shaped block I1011, the arc-shaped block II 1021 and the like;

Secondly, the sealing cover 3 is simply sleeved at the end part of the lightning arrester main body 2, the ball 4011 is close to and abuts against the end part of the sealing cover 3, the handheld sleeve 4031 controls the bending section 403 to rotate, the bending section 403 is held for rotation due to the rotating connection structure of the bearing 4032, a worker does not need to change direction when holding the bending section 403 for rotation, the first thread section 402 and the second thread section 404 synchronously advance in the third support plate 103 and the fourth support plate 104 respectively, the ball 4011 at the end part of the right-angle section 401 moves circularly on the end surface of the sealing cover 3 along with the rotation of the first thread section 402, and gradually extrudes the sealing cover 3 towards the lightning arrester main body 2 along with the advance of the first thread section 402 and the second thread section 404 until the sealing cover 3 is completely abutted against the end part of the lightning arrester main body 2, and the whole operation is simple, efficient and accurate;

After the assembly is completed, the elliptical arc groove 301 is firmly matched with the elliptical arc surface, so that the sealing performance is better in long-term use, and the elliptical arc groove cannot fall off.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (7)

1. A be used for 10kV porcelain bushing arrester end cover binding frock, includes base (1), arrester main part (2), sealed lid (3) and binding subassembly (4), its characterized in that: the lightning arrester is characterized in that a first support plate (101), a second support plate (102), a third support plate (103) and a fourth support plate (104) are sequentially fixed at the upper end of the base (1), an arc block I (1011) is fixed at the upper end of the first support plate (101), an arc block II (1021) is fixed at the upper end of the second support plate (102), and a lightning arrester main body (2) is erected at the upper ends of the arc block I (1011) and the arc block II (1021) together;

the tail end of the lightning arrester main body (2) is arranged on the arc-shaped block II (1021) in an erecting mode, an elliptical arc edge (201) is arranged on the outer periphery of the tail of the lightning arrester main body (2), and a sealing cover (3) is sleeved on the tail of the lightning arrester main body (2);

Be provided with binding subassembly (4) on extension board three (103) and the extension board four (104), binding subassembly (4) are including right angle section (401), screw thread section one (402), buckling section (403) and screw thread section two (404) that connect gradually, and wherein screw thread section one (402) threaded connection is in extension board three (103), screw thread section two (404) threaded connection is in extension board four (104), and the one end that screw thread section one (402) was kept away from to right angle section (401) is fixed with ball 4011 and is close to sealed lid (3).

2. The trimming tool for the end cover of the 10kV porcelain bushing lightning arrester according to claim 1, wherein: the lightning arrester is characterized in that rubber pads I (1012) matched with the cross section of the arc-shaped block I (1011) are fixed on two side surfaces of the arc-shaped block I (1011), rubber pads II (1022) matched with the cross section of the arc-shaped block II (1021) are fixed on two side surfaces of the arc-shaped block II, and the adjacent rubber pads I (1012) and II (1022) are in contact with the lightning arrester main body (2).

3. The trimming tool for the end cover of the 10kV porcelain bushing lightning arrester according to claim 1, wherein: an elliptical arc groove (301) matched with the elliptical arc edge (201) is formed in the inner wall of the sealing cover (3), the sealing cover (3) wraps the position of the elliptical arc edge (201) in the lightning arrester main body (2), and a connector at the tail end of the lightning arrester main body (2) penetrates through the sealing cover (3) to extend out.

4. The trimming tool for the end cover of the 10kV porcelain bushing lightning arrester according to claim 1, wherein: the ball (4011) is in contact with the end surface of the seal cover (3).

5. The trimming tool for the end cover of the 10kV porcelain bushing lightning arrester according to claim 1, wherein: the outer circle of the horizontal part of the bending section (403) is in rotary connection with two symmetrical bearings (4032), and the outer rings of the two bearings (4032) are jointly fixed with a sleeve (4031).

6. The trimming tool for the end cover of the 10kV porcelain bushing lightning arrester according to claim 1, wherein: the axle centers of the lightning arrester main body (2), the first thread section (402) and the second thread section (404) are positioned on the same horizontal line, and the horizontal parts of the right-angle section (401) and the bending section (403) are positioned at the same horizontal height.

7. The trimming tool for the end cover of the 10kV porcelain bushing lightning arrester according to claim 1, wherein: reinforcing rib plates (105) are welded and fixed on two side edges of the first support plate (101), the second support plate (102), the third support plate (103) and the fourth support plate (104), and the bottom surfaces of the reinforcing rib plates (105) are welded and fixed on the base (1).