CN216926974U - Insulating rod calibration system - Google Patents

Insulating rod calibration system Download PDF

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Publication number
CN216926974U
CN216926974U CN202122997037.4U CN202122997037U CN216926974U CN 216926974 U CN216926974 U CN 216926974U CN 202122997037 U CN202122997037 U CN 202122997037U CN 216926974 U CN216926974 U CN 216926974U
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China
Prior art keywords
insulating
movable
rod
grounding
clamping part
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CN202122997037.4U
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Chinese (zh)
Inventor
程本国
颜炳达
赵正华
李朋
郭乃文
李崇
王新霞
秦建利
徐金明
常习斌
鄢芳
李磊
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State Grid Henan Electric Power Co Huixian Power Supply Co
State Grid Corp of China SGCC
Xinxiang Power Supply Co of State Grid Henan Electric Power Co Ltd
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State Grid Henan Electric Power Co Huixian Power Supply Co
State Grid Corp of China SGCC
Xinxiang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Application filed by State Grid Henan Electric Power Co Huixian Power Supply Co, State Grid Corp of China SGCC, Xinxiang Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical State Grid Henan Electric Power Co Huixian Power Supply Co
Priority to CN202122997037.4U priority Critical patent/CN216926974U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model discloses an insulating rod checking system which comprises a fixed insulating support device, a left movable grounding device and a right movable grounding device, wherein a movable structure for realizing the horizontal movement of the movable grounding device is arranged at the lower part of the movable grounding device; the upper ends of the fixed insulating support device and the movable grounding device are respectively provided with a plurality of groups of insulating rod clamps which are uniformly distributed, and the left part, the middle part and the right part of each insulating rod are respectively connected with the left movable grounding device, the fixed insulating support device and the right movable grounding device through the insulating rod clamps; the upper end of the fixed insulating support device is provided with a wiring end of a voltage withstand test device, and the wiring end of the voltage withstand test device is electrically connected with the insulating rod clamp. The utility model can quickly and conveniently complete the sectional calibration of a plurality of groups of insulating rods, greatly improves the calibration efficiency of the insulating rods, and is suitable for the application occasions with the limitations of voltage levels of experimental instruments and laboratory space.

Description

Insulating rod calibration system
Technical Field
The utility model relates to the field of verification of safety tools of electricity customers, in particular to an insulating rod verification system.
Background
At present, with the development of the power society and economy in China, the stability of power supply of a power grid becomes a central importance. For guaranteeing power supply stability, electric power staff often need overhaul and maintain all kinds of power supply unit under live working's the condition. In the process of overhauling and maintaining electric equipment, various safety tools must be used for operation according to relevant safety working rules, and the insulating rod is one of the common safety tools.
Safety tools such as an insulating rod must be subjected to periodic power frequency voltage withstand test according to a period so as to ensure that the insulating property meets the requirement and avoid potential safety hazards. When the existing insulating rod is used for checking, a method for checking single rods one by one is mostly adopted, and the checking efficiency is low. Meanwhile, in a high-voltage laboratory of the existing power supply company, the voltage class of the experimental instrument and the space of the laboratory limit, and the test equipment with a larger voltage class cannot be applied due to the space limit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an insulating rod checking system which can quickly and conveniently complete the sectional checking of a plurality of groups of insulating rods, greatly improve the checking efficiency of the insulating rods and is suitable for the application occasions with the limitations of voltage levels of experimental instruments and laboratory space.
The utility model adopts the following technical scheme:
an insulation rod checking system comprises a fixed insulation supporting device and two groups of movable grounding devices with the same structure, wherein a left movable grounding device and a right movable grounding device are respectively arranged on two sides of the fixed insulation supporting device, and a movable structure for realizing horizontal movement of the movable grounding devices is arranged at the lower parts of the movable grounding devices; the upper ends of the fixed insulating support device and the movable grounding device are respectively provided with a plurality of groups of insulating rod clamps which are uniformly distributed, and the left part, the middle part and the right part of each insulating rod are respectively connected with the left movable grounding device, the fixed insulating support device and the right movable grounding device through the insulating rod clamps; the upper end of the fixed insulating support device is provided with a wiring end of a voltage withstand test device, and the wiring end of the voltage withstand test device is electrically connected with the insulating rod clamp.
Fixed insulating support device including front and back parallel arrangement's two sets of fixed insulating support, the top of two sets of fixed insulating support is provided with the support cross arm, a plurality of groups of insulator spindle anchor clamps evenly set up on the support cross arm, the withstand voltage test equipment wiring end sets up the front end at the support cross arm, a plurality of groups of insulator spindle anchor clamps all are connected with withstand voltage test equipment wiring end electricity through the support cross arm.
The movable grounding device comprises two groups of movable grounding supports which are arranged in parallel front and back, a grounding cross arm is arranged on the top ends of the two groups of movable grounding supports, a plurality of groups of insulating rod clamps are uniformly arranged on the grounding cross arm, the lower end of the grounding cross arm is arranged on the movable structure in a sliding mode, and the lower end of the grounding cross arm is connected with a grounding electrode through a ground wire connecting device.
The movable structure comprises a frame-shaped insulating base arranged on the ground, slide rails are arranged on the upper surfaces of a front plate and a rear plate of the insulating base, and the bottom ends of two groups of movable grounding supports in the movable grounding device are connected through an insulating sliding plate; the front side and the rear side of the insulated sliding plate are respectively provided with an insulated rubber wheel which is connected with the sliding rail in a sliding way; a screw rod nut is fixedly arranged in the insulating sliding plate; a left plate of the insulating base is provided with a lead screw motor, and a driving threaded rod of the lead screw motor penetrates through a rotating bearing arranged on the left plate and is in threaded connection with a lead screw nut in the left movable grounding device; a right plate of the insulating base is provided with a driven threaded rod through a rotating bearing, and the driven threaded rod is in threaded connection with a feed screw nut in the right movable grounding device; the driving thread is coaxially connected with the driven threaded rod through the coupler, and the threads of the driving thread are opposite to those of the driven threaded rod.
The ground wire connecting device comprises a ground wire connecting bolt arranged on the movable grounding support, one end of the ground wire is sleeved with an annular ground wire connecting sleeve, a compression nut is connected to the ground wire connecting bolt in a threaded mode, and the other end of the ground wire is connected with a grounding electrode.
The insulation rod clamp comprises a fixed clamping part and a movable clamping part, wherein arc accommodating grooves are symmetrically formed in the upper parts of the fixed clamping part and the movable clamping part, the middle parts of the fixed clamping part and the movable clamping part are hinged through a hinged shaft, a torsional spring is arranged on the hinged shaft, and the fixed clamping part and the movable clamping part clamp the insulation rod in an original length state; the lower end of the fixed clamping part is connected with the corresponding bracket cross arm and the corresponding grounding cross arm through the connecting seat; the lower ends of the movable clamping parts in the multiple groups of insulating rod clamps positioned on the same bracket cross arm or the grounding cross arm are connected with movable clamping part driving devices; the movable clamping part driving device drives the movable clamping part to open or close.
Clamping part drive arrangement include linear driving motor, the connecting seat of every fixed clamping part lower extreme all is connected with linear bearing through the insulator seat, linear driving motor's drive end coaxial coupling has the insulating actuating lever, in the linear bearing in the multiunit insulator spindle anchor clamps on same support cross arm or the ground connection cross arm are worn to establish by the insulating actuating lever, the lower extreme of activity clamping part is provided with the slot hole, the insulating actuating lever is through a plurality of cylindricality drive division and slot hole sliding connection to setting up.
A scale is arranged on the surface of the front plate of the insulating base, and a marking line is arranged on the insulating sliding plate.
The screw motor adopts a stepping type rotating motor, and the linear driving motor adopts a stepping type linear motor.
The lead screw motor and the linear driving motor are both controlled by remote control.
According to the utility model, the fixed insulating support device and the two groups of movable grounding devices are arranged, the distance adjustment is realized by utilizing the movement of the left movable grounding device and the right movable grounding device, and the sectional type transverse detection on the 110kV insulating rod can be realized under the condition that the voltage grade of laboratory instruments does not reach the standard or the laboratory space is insufficient. According to the utility model, the lead screw motor is used for driving the reverse-thread screws with the two specially designed ends, and the left movable grounding device and the right movable grounding device are respectively controlled to synchronously approach or synchronously separate, so that the movement precision and stability can be ensured, and meanwhile, the limit locking effect is achieved. The utility model also clamps the insulating rod to be detected by arranging the insulating rod clamp with a special structure so as to ensure the reliable connection of the insulating rod. And meanwhile, an electric control movable clamping part driving device is designed to synchronously drive the movable clamping parts of all the insulating rod clamps on the same support cross arm or the grounding cross arm to be synchronously opened so as to quickly put in a plurality of insulating rods and keep away from a live environment through remote control, thereby avoiding potential safety hazards.
The utility model can quickly and conveniently complete the sectional calibration of a plurality of groups of insulating rods, greatly improves the calibration efficiency of the insulating rods, and is suitable for the application occasions with the limitations of voltage levels of experimental instruments and laboratory space.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the left mobile grounding device of the present invention;
fig. 3 is a schematic view of a connection structure of the insulation rod clamp and the movable clamping part driving device according to the present invention.
Detailed Description
The utility model is described in detail below with reference to the following figures and examples:
as shown in fig. 1 to 3, the insulation rod checking system according to the present invention includes a fixed insulation support device 1 and two sets of mobile grounding devices 2 having the same structure, wherein a left mobile grounding device 2-1 and a right mobile grounding device 2-2 are respectively disposed at two sides of the fixed insulation support device 1, and a mobile structure for realizing horizontal movement of the mobile grounding device 2 is disposed at a lower portion of the mobile grounding device 2; the upper ends of the fixed insulating supporting device 1 and the movable grounding device 2 are respectively provided with a plurality of groups of insulating rod clamps 3 which are uniformly distributed, and the left part, the middle part and the right part of each insulating rod are respectively connected with the left movable grounding device 2-1, the fixed insulating supporting device 1 and the right movable grounding device 2-2 through the insulating rod clamps 3; the upper end of the fixed insulating supporting device 1 is provided with a voltage-withstanding test equipment wiring end 4, and the voltage-withstanding test equipment wiring end 4 is electrically connected with the insulating rod clamp 3. The left movable grounding device 2-1 and the right movable grounding device 2-2 can be adjusted in distance, and under the condition that the voltage grade of laboratory experiment instruments does not reach the standard or the laboratory space is insufficient, sectional type transverse detection on the 110kV insulating rod is achieved.
In the utility model, a fixed insulating support device 1 comprises two groups of fixed insulating supports 1-1 which are arranged in parallel front and back, support cross arms 1-2 are arranged at the top ends of the two groups of fixed insulating supports 1-1, a plurality of groups of insulating rod clamps 3 are uniformly arranged on the support cross arms 1-2, a voltage-withstanding test equipment wiring terminal 4 is arranged at the front end of the support cross arms 1-2, and the plurality of groups of insulating rod clamps 3 are electrically connected with the voltage-withstanding test equipment wiring terminal 4 through the support cross arms 1-2.
The movable grounding device 2 comprises two sets of movable grounding supports 5 which are arranged in parallel front and back, the top ends of the two sets of movable grounding supports 5 are provided with a grounding cross arm 6, a plurality of sets of insulating rod clamps 3 are uniformly arranged on the grounding cross arm 6, the lower end of the grounding cross arm 6 is arranged on a movable structure in a sliding mode, and the lower end of the grounding cross arm 6 is connected with a grounding electrode through a grounding wire connecting device 7.
In this embodiment, the moving structure includes a frame-shaped insulating base disposed on the ground, sliding rails are disposed on the upper surfaces of a front plate 8 and a rear plate of the insulating base, and the bottom ends of two sets of movable grounding supports 5 in the movable grounding device 2 are connected through an insulating sliding plate 9; the front side and the rear side of the insulated sliding plate 9 are respectively provided with an insulated rubber wheel 10 which is connected with the sliding rail in a sliding way; a screw nut 11 is fixedly arranged in the insulating sliding plate 9; a left plate of the insulating base is provided with a lead screw motor 12, and a driving threaded rod 13 of the lead screw motor 12 penetrates through a rotating bearing arranged on the left plate and is in threaded connection with a lead screw nut 11 in the left movable grounding device 2-1; a driven threaded rod 14 is arranged on the right plate of the insulating base through a rotating bearing, and the driven threaded rod 14 is in threaded connection with a feed screw nut in the right movable grounding device 2-2; the driving thread is coaxially connected with the driven threaded rod 14 through a coupler 15, and the driving thread is opposite to the thread of the driven threaded rod 14. When the screw motor 12 works, the left movable grounding device 2-1 and the right movable grounding device 2-2 are driven to synchronously and stably move, and under the condition that the driving threads are opposite to the threads of the driven threaded rod 14, the left movable grounding device 2-1 and the right movable grounding device 2-2 synchronously approach or synchronously move away. The driving mode of the screw rod nut can guarantee the moving precision and stability, and meanwhile, the screw rod nut has a limiting locking effect.
The ground wire connecting device 7 comprises a ground wire connecting bolt arranged on the movable grounding support 5, one end of the ground wire is sleeved with a circular ground wire connecting sleeve, a compression nut is connected to the ground wire connecting bolt in a threaded mode, and the other end of the ground wire is connected with a grounding electrode. The gland nut can ensure the reliable connection of the ground wire and the ground wire connecting device 7 so as to avoid safety risks.
In this embodiment, the insulating rod clamp 3 includes a fixed clamping portion 16 and a movable clamping portion 17, the upper portions of the fixed clamping portion 16 and the movable clamping portion 17 are symmetrically provided with arc-shaped accommodating grooves, the middle portions of the fixed clamping portion 16 and the movable clamping portion 17 are hinged through a hinge shaft 18, a torsion spring is arranged on the hinge shaft, and the fixed clamping portion 16 and the movable clamping portion 17 clamp the insulating rod in an original length state; the lower end of the fixed clamping part 16 is connected with the corresponding bracket cross arm 1-2 and the grounding cross arm 6 through a connecting seat 19; the lower ends of the movable clamping parts 17 in the multiple groups of insulating rod clamps 3 positioned on the same bracket cross arm 1-2 or the grounding cross arm 6 are all connected with a movable clamping part driving device; the movable clamp driving means drives the movable clamp 17 to open or close.
The clamping part driving device comprises a linear driving motor 20, a connecting seat 19 at the lower end of each fixed clamping part 16 is connected with a linear bearing 22 through an insulating seat 21, a driving end of the linear driving motor 20 is coaxially connected with an insulating driving rod 23, the insulating driving rod 23 penetrates through the linear bearings 22 in a plurality of groups of insulating rod clamps 3 on the same support cross arm 1-2 or the grounding cross arm 6, a long hole 24 is formed in the lower end of the movable clamping part 17, and the insulating driving rod 23 is in sliding connection with the long holes 24 of the insulating rod clamps 3 through a plurality of cylindrical driving parts.
According to the utility model, the surface of the front plate 8 of the insulating base is provided with the scale, and the insulating sliding plate 9 is provided with the marked line, so that a detection person can conveniently observe the distance in a long distance. The screw motor 12 adopts a stepping type rotating motor, the linear driving motor 20 adopts a stepping type linear motor, accurate control is facilitated, an electrified environment is kept away, and potential safety hazards are avoided.
When in use, the utility model sequentially comprises the following steps:
a: when the withstand voltage detection of the 110kV insulating rod is carried out, the positions of a left movable grounding device 2-1 and a right movable grounding device 2-2 are adjusted to a specified distance through a lead screw motor 12, so that the distance between the left movable grounding device 2-1 and a fixed insulating supporting device 1 and the distance between the right movable grounding device 2-2 and the fixed insulating supporting device 1 are half of the length of the insulating rod to be detected;
b: the linear driving motor 20 controls the insulating driving rod 23 to move for a certain stroke, and the movable clamping part 17 is driven to open through the cylindrical driving part and the long hole 24;
c: placing a plurality of insulating rods to be detected in the corresponding insulating rod clamps 3 in sequence, and then controlling the insulating driving rod 23 to move through the linear driving motor 20, so that the movable clamping part 17 and the fixed clamping part 16 clamp the insulating rods to be detected;
d: a high-voltage test wire connecting the ground wire and the withstand voltage test equipment; and (4) carrying out insulation rod voltage-withstanding equipment inspection by using voltage-withstanding test equipment.

Claims (10)

1. An insulator spindle check-up system which characterized in that: the movable grounding device comprises a fixed insulating support device and two groups of movable grounding devices with the same structure, wherein the left movable grounding device and the right movable grounding device are respectively arranged on two sides of the fixed insulating support device, and the lower part of each movable grounding device is provided with a movable structure for realizing horizontal movement of the movable grounding device; the upper ends of the fixed insulating support device and the movable grounding device are respectively provided with a plurality of groups of insulating rod clamps which are uniformly distributed, and the left part, the middle part and the right part of each insulating rod are respectively connected with the left movable grounding device, the fixed insulating support device and the right movable grounding device through the insulating rod clamps; the upper end of the fixed insulating support device is provided with a voltage withstand test equipment wiring end, and the voltage withstand test equipment wiring end is electrically connected with the insulating rod clamp.
2. The insulator rod verification system of claim 1, wherein: fixed insulating support device including front and back parallel arrangement's two sets of fixed insulating support, the top of two sets of fixed insulating support is provided with the support cross arm, a plurality of groups of insulator spindle anchor clamps evenly set up on the support cross arm, the withstand voltage test equipment wiring end sets up the front end at the support cross arm, a plurality of groups of insulator spindle anchor clamps all are connected with withstand voltage test equipment wiring end electricity through the support cross arm.
3. The insulator rod verification system of claim 1, wherein: the movable grounding device comprises two groups of movable grounding supports which are arranged in parallel front and back, a grounding cross arm is arranged on the top ends of the two groups of movable grounding supports, a plurality of groups of insulating rod clamps are uniformly arranged on the grounding cross arm, the lower end of the grounding cross arm is arranged on the movable structure in a sliding mode, and the lower end of the grounding cross arm is connected with a grounding electrode through a ground wire connecting device.
4. The insulator rod verification system of claim 3, wherein: the movable structure comprises a frame-shaped insulating base arranged on the ground, slide rails are arranged on the upper surfaces of a front plate and a rear plate of the insulating base, and the bottom ends of two groups of movable grounding supports in the movable grounding device are connected through an insulating sliding plate; the front side and the rear side of the insulated sliding plate are respectively provided with an insulated rubber wheel which is connected with the sliding rail in a sliding way; a screw rod nut is fixedly arranged in the insulating sliding plate; a left plate of the insulating base is provided with a lead screw motor, and a driving threaded rod of the lead screw motor penetrates through a rotating bearing arranged on the left plate and is in threaded connection with a lead screw nut in the left movable grounding device; a right plate of the insulating base is provided with a driven threaded rod through a rotating bearing, and the driven threaded rod is in threaded connection with a lead screw nut in the right movable grounding device; the driving thread is coaxially connected with the driven threaded rod through the coupler, and the threads of the driving thread are opposite to those of the driven threaded rod.
5. The insulator rod verification system of claim 4, wherein: the ground wire connecting device comprises a ground wire connecting bolt arranged on the movable grounding support, one end of the ground wire is sleeved with an annular ground wire connecting sleeve, a compression nut is connected to the ground wire connecting bolt in a threaded mode, and the other end of the ground wire is connected with a grounding electrode.
6. The insulator rod verification system of claim 4, wherein: the insulating rod clamp comprises a fixed clamping part and a movable clamping part, wherein arc-shaped accommodating grooves are symmetrically formed in the upper parts of the fixed clamping part and the movable clamping part, the middle parts of the fixed clamping part and the movable clamping part are hinged through a hinged shaft, a torsional spring is arranged on the hinged shaft, and the fixed clamping part and the movable clamping part clamp the insulating rod in an original length state; the lower end of the fixed clamping part is connected with the corresponding bracket cross arm and the corresponding grounding cross arm through the connecting seat; the lower ends of the movable clamping parts in the multiple groups of insulating rod clamps positioned on the same bracket cross arm or the grounding cross arm are connected with movable clamping part driving devices; the movable clamping part driving device drives the movable clamping part to open or close.
7. The insulator rod verification system of claim 6, wherein: clamping part drive arrangement include linear driving motor, the connecting seat of every fixed clamping part lower extreme all is connected with linear bearing through the insulator seat, linear driving motor's drive end coaxial coupling has the insulating actuating lever, in the linear bearing in the multiunit insulator spindle anchor clamps on same support cross arm or the ground connection cross arm are worn to establish by the insulating actuating lever, the lower extreme of activity clamping part is provided with the slot hole, the insulating actuating lever is through a plurality of cylindricality drive division and slot hole sliding connection to setting up.
8. The insulator rod verification system of claim 4, wherein: a scale is arranged on the surface of the front plate of the insulating base, and a marking line is arranged on the insulating sliding plate.
9. The insulator rod verification system of claim 7, wherein: the screw motor adopts a stepping type rotating motor, and the linear driving motor adopts a stepping type linear motor.
10. The insulator rod verification system of claim 9, wherein: the lead screw motor and the linear driving motor are both controlled by remote control.
CN202122997037.4U 2021-12-01 2021-12-01 Insulating rod calibration system Active CN216926974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122997037.4U CN216926974U (en) 2021-12-01 2021-12-01 Insulating rod calibration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122997037.4U CN216926974U (en) 2021-12-01 2021-12-01 Insulating rod calibration system

Publications (1)

Publication Number Publication Date
CN216926974U true CN216926974U (en) 2022-07-08

Family

ID=82251087

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122997037.4U Active CN216926974U (en) 2021-12-01 2021-12-01 Insulating rod calibration system

Country Status (1)

Country Link
CN (1) CN216926974U (en)

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