CN212725150U

CN212725150U - Insulating pull rod that security performance is high

Info

Publication number: CN212725150U
Application number: CN202021893514.1U
Authority: CN
Inventors: 张泽政
Original assignee: Hebei Junze Power Equipment Co ltd
Current assignee: Hebei Junze Power Equipment Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-16
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses an insulating pull rod that security performance is high, including first pull rod, the one end fixedly connected with connecting rod of first pull rod, the other end fixedly connected with cavity of first pull rod, the other end surface spiral of first pull rod is fixed with the adapter sleeve, the insulating frame of the other end fixedly connected with of adapter sleeve, the inside movable mounting of insulating frame has the second pull rod, the surface connection of second pull rod has insulating the pad, the other end fixedly connected with vacuum interrupter of second pull rod. An insulating pull rod that security performance is high, through the pull rod structure who sets up, can make each insulating material not bearing the impact tension load, but bear the impact pressure load, greatly increased bears the impact load ability, has effectively improved the fatigue resistance of each part, supports through setting up to lean on the structure for overall structure is simpler, the processing of being convenient for, can greatly reduced cost of manufacture, improvement production efficiency.

Description

Insulating pull rod that security performance is high

Technical Field

The utility model relates to a pull rod technical field, in particular to insulating pull rod that security performance is high.

Background

The insulating pull rod is also called an insulating rod and is used for closing or opening the high-voltage isolating switch, assembling and disassembling the portable grounding wire and carrying out measurement and experiment; the existing insulating pull rod has certain defects in structure, and in the integrated power system of ships and warships and other direct current regional power distribution occasions, because a feed line loop in the system is short, the system energy is large, if a short circuit condition occurs, short-circuit current can rise to a very high order of magnitude (hundred kiloamperes) in a very short time, so that a circuit breaker is required to be capable of reliably cutting off the system loop at a high speed for protection, and most insulating pull rods have too complex structures at present, so that the insulating pull rod is not convenient to produce and install, and the insulating pull rod with high safety performance is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an insulating pull rod with high safety, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an insulating pull rod that security performance is high, includes first pull rod, the one end fixedly connected with connecting rod of first pull rod, the other end fixedly connected with cavity of first pull rod, the other end surface spiral of first pull rod is fixed with the adapter sleeve, the insulating frame of the other end fixedly connected with of adapter sleeve, the inside movable mounting of insulating frame has the second pull rod, the surface connection of second pull rod has insulating the pad, the other end fixedly connected with vacuum interrupter of second pull rod.

Preferably, a section of surface of the first pull rod is fixedly provided with threads.

Preferably, a connecting ring is fixedly arranged at one end of the connecting rod, the connecting rod is fixedly connected with the first pull rod through the connecting ring, and a telescopic rod is fixedly connected at the other end of the connecting rod.

Preferably, one end of the cavity is fixedly provided with a cavity abutting part, and one end of the cavity abutting part is fixedly connected with a guide groove.

Preferably, the surface of the connecting sleeve is fixedly provided with a screw hole, and the connecting sleeve is spirally fixed with the first pull rod through the screw hole and threads.

Preferably, a shed is fixedly arranged on the surface of the insulating outer frame, and a movable groove is fixedly arranged in the insulating outer frame.

Preferably, the fixed surface of the second pull rod is provided with a fixing ring, one end of the second pull rod is fixedly provided with a pull rod abutting end, and the second pull rod is movably connected with the insulating outer frame through a movable groove.

Preferably, the surface of the insulating pad is fixedly connected with a spring, and the other end of the spring is fixedly connected with a gasket.

Preferably, one end of the vacuum arc-extinguishing chamber is fixedly connected with a contact connecting rod, the surface of the contact connecting rod is fixedly connected with a grounding static contact, the other end of the contact connecting rod is fixedly connected with a moving contact, the other end of the moving contact is movably connected with a closing static contact, and the second pull rod is fixedly connected with the vacuum arc-extinguishing chamber through the contact connecting rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the draw bar structure who sets up, draw bar structure can make each insulating material not bearing the impact tension load, but bears the impact pressure load, greatly increased bears the impact load ability, has effectively improved the fatigue resistance ability of each part, supports through setting up to lean on the structure, supports to lean on the structure to make overall structure simpler, and the processing of being convenient for can greatly reduced cost of manufacture, improvement production efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of an insulating pull rod with high safety performance;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is the utility model relates to a connection use structure schematic diagram of insulating pull rod that security performance is high.

In the figure: 1. a first pull rod; 101. a thread; 2. a connecting rod; 201. a connecting ring; 202. a telescopic rod; 3. A cavity; 301. a cavity abutment; 302. a guide groove; 4. connecting sleeves; 401. a screw hole; 5. an insulating outer frame; 501. an umbrella skirt; 502. a movable groove; 6. a second pull rod; 601. a fixing ring; 602. a pull rod abutting end; 7. an insulating pad; 701. a spring; 702. a gasket; 8. a vacuum arc-extinguishing chamber; 801. a contact connecting rod; 802. a grounding static contact; 803. a moving contact; 804. and closing a static contact.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an insulating pull rod with high safety performance comprises a first pull rod 1, wherein one end of the first pull rod 1 is fixedly connected with a connecting rod 2, the other end of the first pull rod 1 is fixedly connected with a cavity 3, a connecting sleeve 4 is spirally fixed on the surface of the other end of the first pull rod 1, an insulating outer frame 5 is fixedly connected with the other end of the connecting sleeve 4, a second pull rod 6 is movably installed inside the insulating outer frame 5, an insulating pad 7 is connected on the surface of the second pull rod 6, and a vacuum arc-extinguishing chamber 8 is fixedly connected with the other end of the second pull rod 6;

a thread 101 is fixedly arranged on one section of the surface of the first pull rod 1; one end of the connecting rod 2 is fixedly provided with a connecting ring 201, the connecting rod 2 is fixedly connected with the first pull rod 1 through the connecting ring 201, the other end of the connecting rod 2 is fixedly connected with a telescopic rod 202, when the connecting rod is installed, one end of the first pull rod 1 is connected with the upper connecting rod 2, and then the connecting rod is fixed through the connecting ring 201, so that a worker can conveniently operate according to requirements through the telescopic rod 202; a cavity abutting part 301 is fixedly arranged at one end of the cavity 3, a guide groove 302 is fixedly connected at one end of the cavity abutting part 301, after the cavity 3 is formed, the cavity abutting part 301 can be arranged at one end of the cavity 3, and the guide groove 302 is arranged at the other end of the cavity abutting part 301; the surface of the connecting sleeve 4 is fixedly provided with a screw hole 401, the connecting sleeve 4 is spirally fixed with the first pull rod 1 through the screw hole 401 and the thread 101, the connecting sleeve 4 is abutted against the other end of the first pull rod 1 and is spirally rotated through the thread 101 and the screw hole 401 to be fixed with the first pull rod 1; an umbrella skirt 501 is fixedly arranged on the surface of the insulating outer frame 5, and a movable groove 502 is fixedly arranged in the insulating outer frame 5; a fixing ring 601 is fixedly installed on the surface of the second pull rod 6, a pull rod abutting end 602 is fixedly arranged at one end of the second pull rod 6, and the second pull rod 6 is movably connected with the insulating outer frame 5 through a movable groove 502; the surface of the insulating pad 7 is fixedly connected with a spring 701, the other end of the spring 701 is fixedly connected with a gasket 702, the second pull rod 6 can be prevented from directly contacting the connecting sleeve 4 and the insulating outer frame 5 through the arranged insulating pad 7, when the second pull rod 6 moves towards the other end, the pull rod abutting end 602 abuts against the gasket 702, so that the spring 701 is compressed, the umbrella skirt 501 is in a contraction state, and the contact area of the surface can be increased as much as possible under the condition of limited volume; one end of the vacuum arc-extinguishing chamber 8 is fixedly connected with a contact connecting rod 801, the surface of the contact connecting rod 801 is fixedly connected with a grounding static contact 802, the other end of the contact connecting rod 801 is fixedly connected with a moving contact 803, the other end of the moving contact 803 is movably connected with a closing static contact 804, the second pull rod 6 is fixedly connected with the vacuum arc-extinguishing chamber 8 through the contact connecting rod 801, the other end of the second pull rod 6 is fixedly connected with the vacuum arc-extinguishing chamber 8, the contact connecting rod 801 is used for connecting and contacting, the switch with the three-station function can be conveniently used in the high-voltage vacuum arc-extinguishing chamber 8 through the grounding static contact 802, the moving contact 803 and the closing static contact.

It should be noted that the present invention is an insulating pull rod with high safety performance, when installing, the upper connecting rod 2 is connected to one end of the first pull rod 1, and then fixed by the connecting ring 201, the telescopic rod 202 can facilitate the operation of the worker according to the requirement, the connecting sleeve 4 is abutted to the other end of the first pull rod 1, and is fixed with it by the screw thread 101 and the screw hole 401 spiral rotation, after forming the cavity 3, the cavity abutting part 301 can be installed at one end of the cavity 3, the guiding groove 302 is installed at the other end of the cavity abutting part 301, thereby facilitating the guiding abutting of the second pull rod 6, the second pull rod 6 can be prevented from directly contacting with the connecting sleeve 4 and the insulating outer frame 5 by the installed insulating pad 7, when the second pull rod 6 moves to the other end, the pull rod abutting end 602 is abutted to the pad 702, thereby compressing the spring 701, and making it be in the contraction state, the contact area of the surface can be increased as much as possible under the condition of limited volume through the umbrella skirt 501, the other end of the second pull rod 6 is fixedly connected with the vacuum arc-extinguishing chamber 8, the contact connecting rod 801 plays a role in connection and contact, the switch with the three-station function can be conveniently used in the high-voltage vacuum arc-extinguishing chamber 8 through the grounding static contact 802, the moving contact 803 and the closing static contact 804, and the use requirements of some users are met as much as possible.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an insulating pull rod that security performance is high which characterized in that: including first pull rod (1), one end fixedly connected with connecting rod (2) of first pull rod (1), other end fixedly connected with cavity (3) of first pull rod (1), the other end surface spiral of first pull rod (1) is fixed with adapter sleeve (4), the insulating frame of other end fixedly connected with (5) of adapter sleeve (4), the inside movable mounting of insulating frame (5) has second pull rod (6), the surface connection of second pull rod (6) has insulating pad (7), the other end fixedly connected with vacuum interrupter (8) of second pull rod (6).

2. The insulating pull rod with high safety performance according to claim 1, is characterized in that: a thread (101) is fixedly arranged on one section of the surface of the first pull rod (1).

3. The insulating pull rod with high safety performance according to claim 1, is characterized in that: one end of the connecting rod (2) is fixedly provided with a connecting ring (201), the connecting rod (2) is fixedly connected with the first pull rod (1) through the connecting ring (201), and the other end of the connecting rod (2) is fixedly connected with a telescopic rod (202).

4. The insulating pull rod with high safety performance according to claim 1, is characterized in that: one end of the cavity (3) is fixedly provided with a cavity abutting part (301), and one end of the cavity abutting part (301) is fixedly connected with a guide groove (302).

5. The insulating pull rod with high safety performance as claimed in claim 2, wherein: the surface of the connecting sleeve (4) is fixedly provided with a screw hole (401), and the connecting sleeve (4) is spirally fixed with the first pull rod (1) through the screw hole (401) and the thread (101).

6. The insulating pull rod with high safety performance according to claim 1, is characterized in that: an umbrella skirt (501) is fixedly arranged on the surface of the insulating outer frame (5), and a movable groove (502) is fixedly arranged in the insulating outer frame (5).

7. The insulating pull rod with high safety performance as claimed in claim 6, wherein: the fixed surface of second pull rod (6) installs solid fixed ring (601), the fixed pull rod that is equipped with of one end of second pull rod (6) supports and leans on end (602), second pull rod (6) are through activity groove (502) and insulating frame (5) swing joint.

8. The insulating pull rod with high safety performance according to claim 1, is characterized in that: the surface of the insulating pad (7) is fixedly connected with a spring (701), and the other end of the spring (701) is fixedly connected with a gasket (702).

9. The insulating pull rod with high safety performance according to claim 1, is characterized in that: one end of the vacuum arc-extinguishing chamber (8) is fixedly connected with a contact connecting rod (801), the surface of the contact connecting rod (801) is fixedly connected with a grounding static contact (802), the other end of the contact connecting rod (801) is fixedly connected with a moving contact (803), the other end of the moving contact (803) is movably connected with a closing static contact (804), and the second pull rod (6) is fixedly connected with the vacuum arc-extinguishing chamber (8) through the contact connecting rod (801).