CN212647963U

CN212647963U - Composite insulator with adjustable cylinder structure

Info

Publication number: CN212647963U
Application number: CN202021387153.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Ying Jinguo
Current assignee: SHANGHAI JUNDA SCIENCE & TECHNOLOGY DEVELOPMENT CO.,LTD.
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-02
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a composite insulator with adjustable cylinder structure, including last insulator body and lower insulator body, go up the connecting axle of insulator body bottom and connect the surge drum, the one end of surge drum's bottom connection regulation post, the connecting axle on lower insulator body top is connected to the other end of regulation post, and the connecting axle of lower insulator body bottom is connected the connecting drum, the utility model discloses, utilize the spring to make and go up the insulator body and can reach the effect that can small amplitude displacement between last insulator body and the lower insulator body at the small amplitude displacement of its axis direction, play the effect of buffering under the effect of axial force is received to the insulator, safety in the protection insulator use.

Description

Composite insulator with adjustable cylinder structure

Technical Field

The utility model relates to an insulator technical field specifically is a composite insulator with adjustable cylinder structure.

Background

Insulators are devices that can withstand the action of voltage and mechanical stress, mounted between conductors of different electrical potentials or between a conductor and a grounded member. Insulators are various in types and shapes. Although the structures and the shapes of different types of insulators are greatly different, the insulators are composed of two parts, namely an insulating part and a connecting hardware fitting. The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical loading conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line. The length and the size of the existing composite insulator are fixed, the composite insulator is inconvenient to install due to the fact that the composite insulator is possibly too long or insufficient when meeting some special installation connecting positions, and meanwhile, when the composite insulator is caused to receive large axial force due to some special conditions, the middle of the composite insulator is broken and damaged due to certain eccentric force, and normal use of the composite insulator is not facilitated. Therefore, the utility model provides a composite insulator with adjustable cylinder structure is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a composite insulator with adjustable cylinder structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite insulator with an adjustable cylinder structure comprises an upper insulator body and a lower insulator body, wherein a connecting shaft at the bottom end of the upper insulator body is connected with a buffer cylinder, the bottom of the buffer cylinder is connected with one end of an adjusting column, the other end of the adjusting column is connected with a connecting shaft at the top end of the lower insulator body, the connecting shaft at the bottom end of the lower insulator body is connected with the connecting cylinder, the buffer cylinder comprises an outer cylinder, a spring, an adjusting plate, an adjusting bolt and a nut, the spring is installed on the inner side of the outer cylinder, the nut is welded at the upper part of a through hole formed in two sides of the top of the outer cylinder, the nut is in threaded connection with the adjusting bolt, the adjusting plate is installed between the top of the inner side of the outer cylinder and the upper end of the spring, the bottom end of the adjusting bolt is in contact with the top end of the adjusting plate, the upper part of the adjusting screw cylinder is in threaded connection with one side of the second stud.

Preferably, the buffer cylinder further comprises a bottom cover and a fixing bolt, the bottom cover is sleeved at the bottom end of the outer cylinder, and the through holes on the two sides of the bottom cover are correspondingly connected with the screw holes on the two sides of the lower portion of the outer cylinder through the fixing bolt.

Preferably, the through-hole that supplies insulator body bottom connecting axle to pass is seted up to urceolus top and regulating plate central point, the welding of connecting axle bottom of going up insulator body bottom has the bottom plate, the spring is between regulating plate and bottom plate.

Preferably, the adjusting column further comprises a fastening bolt and a connecting plate, the fastening bolt is installed in a screw hole formed in one side of the upper portion and the lower portion of the adjusting screw cylinder, the connecting plate is welded to two sides of the outer end of the first stud, and a connecting hole in the middle of the connecting plate is connected with a connecting hole formed in the end portion of a connecting shaft at the top end of the lower insulator body through a pin shaft.

Preferably, the connecting cylinder further comprises a straight cylinder, a rubber inner bushing and a connecting shaft, the rubber inner bushing is mounted on the inner side of the straight cylinder, the connecting shaft at the bottom end of the lower insulator body is inserted into the inner side of the rubber inner bushing, and through holes formed in two sides of the straight cylinder are connected with connecting holes formed in the end portion of the connecting shaft at the bottom end of the lower insulator body through the connecting shaft.

Preferably, the two ends of the connecting shaft are welded with limiting blocks, the top end of the straight cylinder is open, and the bottom end of the straight cylinder is welded with a connecting plate with an opening in the middle.

Preferably, the upper insulator body and the lower insulator body are identical in structure, and the middle of one side of the adjusting screw cylinder is horizontally welded with the inserting cylinder.

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

1. the upper insulator body can displace in a small amplitude in the axial direction by using the spring, so that the effect of small-amplitude displacement between the upper insulator body and the lower insulator body is achieved, the buffer effect is achieved under the action of the axial force on the insulator, and the safety of the insulator in the use process is protected;

2. the length-adjustable connecting cylinder structure formed by the adjusting screw cylinder, the first stud and the second stud can adapt to different installation requirements, the length of the upper insulator body, the lower insulator and the whole part between the upper insulator body and the lower insulator body is adjusted, the length is shortened after the insulators are installed, the whole structure can be tensioned, the stability is improved, the length can be lengthened to meet the requirement of installation length, and the mounting and dismounting are facilitated;

3. the straight cylinder and the connecting shaft of the lower insulator body are separated through the rubber inner bushing, the connecting shaft at the bottom end of the lower insulator body is protected by the rubber inner bushing, and the rubber inner bushing plays a role in buffering and improving the insulating property.

Drawings

FIG. 1 is a schematic view of the structure of the buffer tube and the connection column of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the connecting cylinder of the present invention.

In the figure: the upper insulator comprises an upper insulator body 1, a lower insulator body 2, a buffer cylinder 3, an adjusting column 4, a connecting cylinder 5, a bottom plate 6, a pin shaft 7, an outer cylinder 31, a bottom cover 32, a spring 33, an adjusting plate 34, an adjusting bolt 35, a nut 36, a fixing bolt 37, an adjusting screw cylinder 41, a first stud 42, a second stud 43, a fastening bolt 44, a connecting plate 45, a straight cylinder 51, a rubber inner bushing 52 and a connecting shaft 53.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a composite insulator with an adjustable cylinder structure comprises an upper insulator body 1 and a lower insulator body 2, wherein a connecting shaft at the bottom end of the upper insulator body 1 is connected with a buffer cylinder 3, the bottom of the buffer cylinder 3 is connected with one end of an adjusting column 4, the other end of the adjusting column 4 is connected with a connecting shaft at the top end of the lower insulator body 2, the connecting shaft at the bottom end of the lower insulator body 2 is connected with a connecting cylinder 5, the buffer cylinder 3 comprises an outer cylinder 31, a spring 33, an adjusting plate 34, an adjusting bolt 35 and a nut 36, the spring 33 is installed on the inner side of the outer cylinder 31, the nut 36 is welded on the upper portion of a through hole formed in two sides of the top of the outer cylinder 31, the nut 36 is in threaded connection with the adjusting bolt 35, the adjusting plate 34 is installed between the top of the inner side of the outer cylinder 31 and the upper end of the, the effect that can small amplitude displacement between insulator body 1 and the lower insulator body 2 is reached, play the effect of buffering under the effect that the insulator receives the axial force, safety in the protection insulator use, adjust post 4 including adjusting barrel 41, first double-screw bolt 42 and second double-screw bolt 43, the lower part threaded connection one side of first double-screw bolt 42 of adjusting barrel 41, the upper portion threaded connection one side of second double-screw bolt 43 of adjusting barrel 41, adjust barrel 41, first double-screw bolt 42, constitute length-adjustable's connection cylinder structure with second double-screw bolt 43 and can adapt to different installation demands, adjust the holistic length of upper insulator body 1 and lower insulator 2 and part between them, shorten length can be taut and improve stability with overall structure after the insulator installation, and the adaptable installation length's demand when length extension, the dismouting of being convenient for.

Further, the buffer tube 3 further comprises a bottom cover 32 and a fixing bolt 37, the bottom cover 32 is sleeved at the bottom end of the outer tube 31, through holes on two sides of the bottom cover 32 are correspondingly connected with screw holes on two sides of the lower portion of the outer tube 31 through the fixing bolt 37, the fixing bolt 37 is convenient for fixing the bottom cover 32 to the bottom end of the outer tube 31, and the bottom cover 32 is convenient for installing internal components of the outer tube 31 through movable installation.

Further, through holes for the connecting shaft at the bottom end of the upper insulator body 1 to pass through are formed in the center of the top of the outer cylinder 31 and the center of the adjusting plate 34, the bottom plate 6 is welded at the bottom end of the connecting shaft at the bottom end of the upper insulator body 1, and the spring 33 flexibly connects the adjusting plate 34 and the bottom plate 6 between the adjusting plate 34 and the bottom plate 6 and plays a role in buffering.

Furthermore, the adjusting column 4 further comprises a fastening bolt 44 and a connecting plate 45, the fastening bolt 44 is installed in screw holes formed in one side of the upper portion and the lower portion of the adjusting screw cylinder 41, the connecting plate 45 is welded on two sides of the outer end of the first stud 42, a connecting hole in the middle of the connecting plate 45 is connected with a connecting hole formed in the end portion of a connecting shaft at the top end of the lower insulator body 2 through a pin shaft 7, the fastening bolt 44 fastens the adjusting screw sleeve 41, the first stud 42 and the second stud 43, the firmness of the structure formed by the adjusting screw sleeve 41, the first stud 42 and the second stud 43 is improved, and the connecting plate 45 facilitates the first stud 42 to be connected with the connecting.

Further, the connecting cylinder 5 further comprises a straight cylinder 51, a rubber inner bushing 52 and a connecting shaft 53, the rubber inner bushing 52 is installed on the inner side of the straight cylinder 51, the connecting shaft at the bottom end of the lower insulator body 2 is inserted into the inner side of the rubber inner bushing 52, through holes formed in two sides of the straight cylinder 51 are connected with connecting holes formed in the end portion of the connecting shaft at the bottom end of the lower insulator body 2 through the connecting shaft 53, the straight cylinder 51 is separated from the connecting shaft of the lower insulator body 2 through the rubber inner bushing 52, the rubber inner bushing 52 protects the connecting shaft at the bottom end of the lower insulator body 2, and the rubber inner bushing 52 improves the insulating property while achieving the.

Furthermore, the two ends of the connecting shaft 53 are welded with limiting blocks, the limiting blocks improve the firmness degree of the connecting shaft 53 connecting the straight cylinder 51 with the lower insulator body 2, the top end of the straight cylinder 51 is opened, the bottom end of the straight cylinder is welded with a connecting plate with an opening in the middle, and the connecting plate is convenient for connecting the straight cylinder 51 with a fixed connecting position.

Further, the upper insulator body 1 and the lower insulator body 2 are identical in structure, an inserting barrel is horizontally welded in the middle of one side of the adjusting barrel 41, the inserting barrel is convenient for workers to use an auxiliary lever to insert the inserting barrel to rotate the adjusting barrel 41, and rotation of the adjusting barrel 41 is convenient.

The working principle is as follows: during actual work, according to the distance between the two connecting positions, a worker rotates the adjusting screw cylinder 41 to enable the length of the connecting cylinder structure with the adjustable length consisting of the screw cylinder 41, the first stud 42 and the second stud 43 to extend until the connecting cylinder structure can be smoothly installed, then the connecting cylinder 5 at the end part of the upper insulator body 1 and the lower insulator body 2 is connected with the connecting positions through bolts, after the connection is completed, the operator rotates the adjusting screw cylinder 41 to enable the length of the adjusting column 4 to be shortened by proper length so as to tighten the structure and improve the stability, the connecting shaft at the bottom end of the upper insulator body 1 moves the compression spring 33 so as to enable the compression spring 33 to enable the upper insulator body 1 to displace in a small amplitude along the axial direction, the effect that the upper insulator body 1 and the lower insulator body 2 can displace in a small amplitude is achieved, the insulator plays a role of buffering under the action of axial force, the worker rotates the adjusting bolt 35 to control the length of the upper insulator, the compression stroke of the spring 33 is controlled by adjusting the position of the adjusting plate 34, so that the displacement between the upper insulator body 1 and the lower insulator body 2 is controlled, and the buffering performance is adjusted, so that the insulator can normally work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The composite insulator with the adjustable cylinder structure comprises an upper insulator body (1) and a lower insulator body (2), and is characterized in that a connecting shaft at the bottom end of the upper insulator body (1) is connected with a buffer cylinder (3), one end of a regulating column (4) is connected with the bottom of the buffer cylinder (3), the other end of the regulating column (4) is connected with a connecting shaft at the top end of the lower insulator body (2), the connecting shaft at the bottom end of the lower insulator body (2) is connected with a connecting cylinder (5), the buffer cylinder (3) comprises an outer cylinder (31), a spring (33), a regulating plate (34), a regulating bolt (35) and a nut (36), the spring (33) is installed on the inner side of the outer cylinder (31), the nut (36) is welded on the upper part of a through hole formed in two sides of the top of the outer cylinder (31), and the nut (36) is in, install regulating plate (34) between the upper end of urceolus (31) inboard top and spring (33), the bottom of adjusting bolt (35) contacts with the top of regulating plate (34), adjust post (4) including adjusting barrel (41), first double-screw bolt (42) and second double-screw bolt (43), the one side of the first double-screw bolt of lower part threaded connection (42) of adjusting barrel (41), the one side of the upper portion threaded connection second double-screw bolt (43) of adjusting barrel (41).

2. The composite insulator with the adjustable column structure as claimed in claim 1, wherein: the buffer cylinder (3) further comprises a bottom cover (32) and fixing bolts (37), the bottom cover (32) is sleeved at the bottom end of the outer cylinder (31), and through holes in two sides of the bottom cover (32) are correspondingly connected with screw holes in two sides of the lower portion of the outer cylinder (31) through the fixing bolts (37).

3. The composite insulator with the adjustable column structure as claimed in claim 1, wherein: urceolus (31) top and regulating plate (34) central point put and offer the through-hole that supplies insulator body (1) bottom connecting axle to pass, the welding of connecting axle bottom of going up insulator body (1) bottom has bottom plate (6), spring (33) are between regulating plate (34) and bottom plate (6).

4. The composite insulator with the adjustable column structure as claimed in claim 1, wherein: the adjusting column (4) further comprises a fastening bolt (44) and a connecting plate (45), the fastening bolt (44) is installed in screw holes formed in one side of the upper portion and the lower portion of the adjusting screw cylinder (41), the connecting plate (45) is welded to two sides of the outer end of the first stud (42), and a connecting hole in the middle of the connecting plate (45) is connected with a connecting hole formed in the end portion of a connecting shaft at the top end of the lower insulator body (2) through a pin shaft (7).

5. The composite insulator with the adjustable column structure as claimed in claim 1, wherein: the connecting cylinder (5) further comprises a straight cylinder (51), a rubber inner bushing (52) and a connecting shaft (53), the rubber inner bushing (52) is installed on the inner side of the straight cylinder (51), the connecting shaft at the bottom end of the lower insulator body (2) is inserted into the inner side of the rubber inner bushing (52), and through holes formed in two sides of the straight cylinder (51) are connected with connecting holes formed in the end portion of the connecting shaft at the bottom end of the lower insulator body (2) through the connecting shaft (53).

6. The composite insulator with the adjustable column structure as claimed in claim 5, wherein: the two ends of the connecting shaft (53) are welded with limiting blocks, the top end of the straight cylinder (51) is open, and the bottom end of the straight cylinder is welded with a connecting plate with an opening in the middle.

7. The composite insulator with the adjustable column structure as claimed in claim 1, wherein: the structure of the upper insulator body (1) is the same as that of the lower insulator body (2), and the middle part of one side of the adjusting screw cylinder (41) is horizontally welded with the inserting cylinder.