CN210325366U

CN210325366U - Spindle-shaped high-strength insulator

Info

Publication number: CN210325366U
Application number: CN201921793108.5U
Authority: CN
Inventors: 张志宏; 张茹淇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-04-14
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a spindle-shaped high strength insulator relates to power equipment technical field. The device comprises a spindle-shaped insulating cylinder, wherein a circular truncated cone is longitudinally nested at the upper end in the cylinder, a longitudinal screw is fixedly connected to the top of the circular truncated cone, the screw extends upwards to the outer side of the cylinder, and the periphery of the bottom of the circular truncated cone extends downwards to form a cylinder; the lower part vertically nests has the sleeve in the post, and the sleeve bottom surface is parallel and level mutually with the post bottom surface, is equipped with in the sleeve with screw rod assorted internal thread. The utility model discloses a round platform with the screw rod that the top was equipped with be equipped with screw rod assorted internal thread respectively nested in insulating cylinder upper portion and lower part, can effectively resist the torsion that the insulator received to effectively avoid receiving torsion great and arouse insulating cylinder fracture problem, further strengthen the bulk strength of insulator simultaneously.

Description

Spindle-shaped high-strength insulator

Technical Field

The utility model relates to a power equipment technical field, concretely relates to spindle-shaped high strength insulator.

Background

The insulator is a special insulating fastening support, is widely used in electrical equipment, and is generally used in generator equipment to isolate a wire row from main equipment of a motor. At present, insulators can be divided into suspension insulators and post insulators according to different mounting modes; according to the difference of the used insulating materials, the insulator can be divided into a porcelain insulator, a glass insulator and a composite insulator (also called a composite insulator); according to different voltage grades, the insulator can be divided into a low-voltage insulator and a high-voltage insulator. In the prior art, the torsion of a connecting piece acting on an insulator is difficult to meet the design requirement, the insulator is easy to crack, the mutual connecting piece is loosened in the using process, the connecting piece on the insulator is pulled out, or the insulator is cracked under the action of certain torsion, and therefore, the design of the insulator which is high in strength and can resist the torsion is particularly important in order to prevent the insulator from loosening or twisting.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies in the above background art, the utility model provides a spindle-shaped high strength insulator.

In order to achieve the purpose, the utility model provides a fusiform high-strength insulator, including fusiform insulating cylinder, the top vertically nests the round platform in the cylinder inside, the top rigid coupling of round platform has vertical screw rod, the screw rod upwards extends to the cylinder outside, the periphery of round platform bottom extends downwards and forms the barrel;

a sleeve with a closed top and an open bottom is longitudinally nested in the cylinder body and is positioned right below the circular truncated cone, the outer diameter of the sleeve is smaller than the inner diameter of the cylinder body, two sides or one side of the outer wall of the sleeve are planes, the bottom surface of the sleeve is flush with the bottom surface of the cylinder body, and an internal thread matched with the screw rod is arranged on the inner wall of the sleeve; the cylinder bottom is also provided with a round hole corresponding to the inner diameter of the sleeve, and the round hole enables an opening at the bottom of the sleeve to be communicated with the outer side of the cylinder bottom.

Further, the cylinder, the round platform, the screw rod and the axis of sleeve all coincide.

Further, the bottom of the circular truncated cone is inwards provided with a groove communicated with the barrel.

Further, the barrel is an inverted cone-shaped barrel.

Furthermore, a plurality of through holes are formed around the side wall of the cylinder body.

Further, the outer wall of the sleeve is provided with a plurality of grooves or threads from top to bottom in the circumferential direction except for the position of the plane.

Further, the area of the top surface of the sleeve is larger than that of the bottom surface of the sleeve.

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

the utility model discloses a clamp with the upper portion being the barrel of round platform lower part is nested in the cylinder upper portion of insulator, and lie in vertically nested closed open bottom clamp sleeve in the top under the round platform in the cylinder, simultaneously, process into the plane in clamp sleeve outer wall both sides or one side, prevent the wrench movement of sleeve, can strengthen fastening strength, and effectively resist the torsion that the insulator received, avoided between barrel clamp and the insulating cylinder because rotatory not hard up, and then avoided the insulator to appear the torsional fracture phenomenon;

the plurality of through holes are formed in the outer wall of the barrel clamp, so that the looseness between the sleeve and the insulating cylinder is avoided; the area of the top surface of the clamp piece of the sleeve is larger than that of the bottom surface of the clamp piece, so that the tensile force of the sleeve nested in the insulating cylinder is effectively improved, and the stability of the sleeve in the insulating cylinder is further improved;

in addition, the top end of the clamp sleeve extends into the cylinder, and the insulating material is filled between the cylinder and the sleeve with two planes or one plane, so that the strength of the cylinder tightly supports the two sides, and the torsion between the sleeve and the insulating cylinder is further enhanced.

Drawings

Fig. 1 is a schematic structural view of a spindle-shaped high-strength insulator in example 1.

Fig. 2 is a top view of the spindle-shaped high-strength insulator of example 1.

Fig. 3 is a top view of a spindle-shaped circular truncated cone of the high-strength insulator in embodiment 1.

Fig. 4 is a schematic structural view of a spindle-shaped high-strength insulator in example 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

A spindle-shaped high-strength insulator is disclosed, as shown in figures 1-3, and comprises a spindle-shaped insulating cylinder 1, wherein the middle part of the outer side of the spindle-shaped cylinder 1 can be annularly processed into a hexagonal structure, so that a clamp can be clamped to rotate conveniently, an upper clamp round platform 201 is longitudinally nested at the upper end inside the cylinder 1, a longitudinal screw 2 is fixedly connected to the top of the round platform 201, the screw 2 extends upwards to the outer side of the cylinder 1, the periphery of the bottom of the round platform 201 extends downwards to form a cylinder 202, so that the contact area between the upper clamp and the insulating cylinder is increased, meanwhile, a groove is formed inwards in the bottom of the round platform 201, the contact area between the bottom of the round platform and the insulating cylinder is further increased, and the bonding strength between the round platform;

a lower clamp sleeve 3 is longitudinally nested in the cylinder 1 under the circular truncated cone 201, the outer diameter of the sleeve 3 is smaller than the inner diameter of the cylinder 202, so that the sleeve and the cylinder are separated from each other, the bottom surface of the sleeve 3 is flush with the bottom surface of the cylinder 1, an internal thread matched with the screw rod 2 is arranged in the sleeve 3, a round hole corresponding to the inner diameter of the sleeve 3 is formed in the bottom of the cylinder 1, an opening in the bottom of the sleeve 3 is communicated with the outer side of the bottom of the cylinder 1, and the external screw rod is conveniently connected with the sleeve; therefore, the round platform, the barrel at the bottom of the round platform and the sleeve are jointly fixed in a preset spindle-shaped cylinder die, the barrel and two clamp pieces of the sleeve are equally spaced, and a thermosetting insulating material is poured and cured to form, so that the high-strength insulator is assembled, the round platform of the upper clamp piece, the barrel and the sleeve of the lower clamp piece are mutually independent, and the insulating effect is realized. The generator body is connected by the screw rod in the connection process, and the sleeve of the insulator is connected with the screw rod of the cable bank piece, so that the insulation and fastening of the cable bank and the generator body are realized.

The top surface of the sleeve 3 is larger than the bottom surface, so that the sleeve is inverted-cone-shaped, the drawing force of the sleeve towards the bottom of the main body can be effectively resisted, and meanwhile, the central axes of the cylinder 1, the circular truncated cone 201, the screw rod 2 and the sleeve 3 are overlapped, so that the drawing acting force borne by the two ends of the insulator are on the same central axis, and the drawing resistance force is effectively improved;

in order to further enhance the firmness, a plurality of through holes 203 are formed in the periphery of the side wall of the cylinder 202, an insulator material penetrates through the through holes, the bonding force between the cylinder and the insulator is increased, and looseness caused by rotation between the circular truncated cone and the insulating cylinder can be avoided.

In order to further strengthen the torsion between the sleeve and the cylinder, two sides or one side of the outer wall of the sleeve 3 are provided with planes, meanwhile, the outer wall of the sleeve 3 is annularly provided with a plurality of annular grooves or threads from top to bottom except for the plane position, in addition, the top of the sleeve 3 extends into the cylinder 202, and the cylinder and the sleeve are kept independent from each other, under the action of the torsion on the sleeve, because the cylinder and two planes or one plane are filled with insulating materials, the strength of the cylinder tightly supports two sides or one side, and the torsion between the sleeve and the insulating cylinder is strengthened.

Example 2

Referring to fig. 4, the difference from the above embodiment is that the barrel 202 is an inverted cone structure, and similarly, a plurality of through holes 203 are formed around the sidewall of the inverted cone 202, for this purpose, the top of the sleeve is extended into the cavity of the bottom of the inverted cone, and the inverted cone-shaped cylinder structure and the sleeve are kept independent from each other and are pre-fixed in a spindle-shaped cylinder die, the cylinder and two clamp pieces of the sleeve are equally spaced, and a thermosetting insulating material is poured to enable the round platform 201, the cylinder 202 and the sleeve 3 which are nested in the insulating cylinder to form a whole, so that the pulling resistance between the screw and the sleeve is effectively enhanced, the torsion force borne by the insulator is enhanced, the problem of cracking of the insulating cylinder caused by larger torsion force is effectively avoided, and the stability of the sleeve in the insulating column body is improved, the looseness between the sleeve and the insulating column body is avoided, and the overall strength of the insulator is further enhanced.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a spindle-shaped high strength insulator which characterized in that: the insulation cylinder comprises a fusiform insulation cylinder body (1), a circular truncated cone (201) is longitudinally nested at the upper end in the cylinder body (1), a longitudinal screw (2) is fixedly connected to the top of the circular truncated cone (201), the screw (2) upwards extends to the outer side of the cylinder body (1), and the periphery of the bottom of the circular truncated cone (201) downwards extends to form a cylinder body (202);

a sleeve (3) with a closed top and an open bottom is longitudinally nested in the cylinder (1) under the circular truncated cone (201), the outer diameter of the sleeve (3) is smaller than the inner diameter of the cylinder (202), two sides or one side of the outer wall of the sleeve (3) are planes, the bottom surfaces of the two sides or one side of the outer wall of the sleeve (3) are flush with the bottom surface of the cylinder (1), and an internal thread matched with the screw (2) is arranged on the inner wall of the sleeve (3); the bottom of the cylinder (1) is also provided with a round hole corresponding to the inner diameter of the sleeve (3), and the round hole enables an opening at the bottom of the sleeve (3) to be communicated with the outer side of the bottom of the cylinder (1).

2. The spindle-shaped high-strength insulator according to claim 1, wherein: the cylinder (1), the round platform (201), the screw rod (2) and the central axis of the sleeve (3) are overlapped.

3. The spindle-shaped high-strength insulator according to claim 1, wherein: the bottom of the circular truncated cone (201) is inwards provided with a groove communicated with the cylinder (202).

4. The spindle-shaped high-strength insulator according to claim 1, wherein: the barrel (202) is an inverted cone-shaped barrel.

5. The spindle-shaped high-strength insulator according to claim 1, wherein: a plurality of through holes (203) are formed in the periphery of the side wall of the barrel (202).

6. The spindle-shaped high-strength insulator according to claim 1, wherein: the outer wall of the sleeve (3) is provided with a plurality of grooves or threads from top to bottom in the circumferential direction except for the position of the plane.

7. The spindle-shaped high-strength insulator according to claim 1, wherein: the area of the top surface of the sleeve (3) is larger than that of the bottom surface.