CN203870074U - One-time actuator for insulator - Google Patents
One-time actuator for insulator Download PDFInfo
- Publication number
- CN203870074U CN203870074U CN201420285434.6U CN201420285434U CN203870074U CN 203870074 U CN203870074 U CN 203870074U CN 201420285434 U CN201420285434 U CN 201420285434U CN 203870074 U CN203870074 U CN 203870074U
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- insulator
- cylindrical shell
- excitation block
- block
- cylinder
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Abstract
The utility model discloses a one-time actuator for an insulator. The one-time actuator comprises supports, a cylinder body, an actuation block and a pull rod, wherein the supports are uniformly arranged on the outer surface of the cylinder body of which the upper part is closed and the lower part is open; the actuation block is arranged in the cylinder body; the pull rod penetrates the top of the cylinder body to be connected with the actuation block. The one-time actuator further comprises proximity switches arranged on the inner surface of the bottom of the cylinder body and two cylinders symmetrically fixed to the outer surface of the bottom of the cylinder body; holes for the extending ends of the cylinders to penetrate are further formed in the cylinder body; the proximity switches are positioned above the extending ends of the cylinders and connected with the control signal input terminals of cylinder-driven pumps. According to the utility model, the insulator is prevented from secondarily knocking from the actuation block through the proximity switches and the cylinders, so that the accuracy in detecting defects of the insulator is improved.
Description
Technical field
The utility model relates to field of electrical equipment, is specifically related to a kind of device for insulator excitation.
Background technology
Insulator plays a part to support transmission line of electricity, disconnector and insulation, and whether in good condition it is, and the safety to grid equipment and operations staff, has significant impact.During operation, porcelain insulator is bearing the effect that strong wind, sleet, the temperature difference and isolating switch switch equal stress, and the mechanical damage when insulator inside exists tiny flaw or installs, just may develop into fracture accident.In recent years, operating insulator fracture accident repeatedly occurs, and operation of power networks and personal security have been caused to serious harm.Therefore, carry out defects of insulator and detect, to the security of raising equipment and operation of power networks and stability, protect the safety of equipment and personnel, be significant.
Existingly a kind ofly detect the method for defect in insulator and be, by knocking insulator, insulator is encouraged, and gather the sound wave that insulator produces because of forced vibration, by analyzing sound wave, judge whether insulator exists inherent vice.
This method is knocked insulator by instruments such as the hand-held hammers of staff, and its shortcoming is, the dynamics of at every turn knocking can not reach unanimously, thereby affects the accuracy of monitoring result.
In order to overcome the problems referred to above, the utility application that publication number is " 203396754U " discloses a kind of insulator single-point-excitation device, and its dynamics of knocking to insulator is fixed, and guarantees the accuracy that defects of insulator detects.But also there is following problem in this exciting bank:
After excitation block drops on insulator, can be upspring, and then drop on insulator, thereby cause for the second time, knock, this accuracy that defects of insulator is detected has certain influence.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of insulator single activation device that can avoid secondary to knock is provided.
The purpose of this utility model is achieved through the following technical solutions:
Insulator single activation device, comprise support, cylindrical shell, excitation block and pull bar, a plurality of supports are evenly arranged on the outside surface of cylindrical shell, cylindrical shell closed upper part bottom is open, and excitation block is arranged at inner barrel, and pull bar runs through cylindrical shell top and is connected with excitation block, also comprise the approach switch that is arranged at cylindrical shell bottom inner surface, be symmetrically fixed on two cylinders of cylindrical shell bottom outer surface, also offer the hole that the telescopic end for cylinder runs through on cylindrical shell, approach switch is positioned at the top of Telescopic-cylinder end; Approach switch is connected with the control signal input end of air cylinder driven pump.
After excitation block drops on insulator, upspring, and then the secondary causing on insulator that drops knocks, the utility model arranges approach switch and cylinder.Approach switch is positioned at cylindrical shell bottom, before excitation block drops downwards and contacts with insulator, excitation block is through approach switch, approach switch is triggered and to air cylinder driven pump input enabling signal, air cylinder driven pump drives the telescopic end of cylinder to stretch out, after excitation block is upspring, the telescopic end of cylinder extends excitation block below, thereby stop excitation block to drop downwards, so can avoid secondary to knock, improve the accuracy that defects of insulator detects.
Further, also comprise the block rubber being connected with the telescopic end of described cylinder.
If the height that excitation block is upspring is lower, the telescopic end of cylinder can directly be against on the outside surface of excitation block so, and excitation block is clamped.In order to prevent that telescopic end and the excitation block of cylinder from damaging, block rubber is set, the telescopic end of cylinder clamps excitation block by block rubber, so also can prevent that excitation block from carrying out secondary to insulator and knocking.
Further, on described block rubber, be provided with many anti-slip tanks.
Anti-slip tank is set, improves the friction force between block rubber and excitation block, can further prevent that excitation block is from landing between two cylinders.
Further, the top of described excitation block is provided with terminal pad, and terminal pad is coaxial with described excitation block, and described pull bar is connected with the center of terminal pad; The bottom of terminal pad is provided with threaded column, and the top of described excitation block offers threaded hole, and threaded column is threaded with threaded hole.
Excitation block and terminal pad are threaded connection, and excitation block can be replaced.Adopt the excitation block of Different Weight, thereby make the utility model be applicable to the insulator of different model.
Further, the top of described pull bar is provided with handle.
By handle, staff can draw high excitation block more easily.
Further, also comprise two slip rails that are vertically installed in described cylinder top, the two ends of described handle and slip rail are slidably connected.
Said structure can be avoided when falling, producing crookedly because of excitation block, and the situation generation that causes the contact area of excitation block and insulator to diminish, has further guaranteed the accuracy of testing result.
In sum, advantage of the present utility model and beneficial effect are:
1. the utility model has avoided excitation block to knock the secondary of insulator by approach switch and cylinder, has improved the accuracy that defects of insulator detects;
2. block rubber is set, and the telescopic end of cylinder clamps excitation block by block rubber, is preventing that excitation block from carrying out insulator when secondary knocks, having avoided the telescopic end of cylinder and excitation block to damage;
3. anti-slip tank is set, improves the friction force between block rubber and excitation block, can further prevent that excitation block is from landing between two cylinders;
4. excitation block and terminal pad are threaded connection, and excitation block can be replaced, thereby are applicable to the insulator of different model;
5. by handle, staff can draw high excitation block more easily;
6. slip rail is set, avoids when falling, producing crookedly because of excitation block, the situation generation that causes the contact area of excitation block and insulator to diminish, has further guaranteed the accuracy of testing result.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present utility model, will be briefly described describing the required accompanying drawing of using in the utility model embodiment below.Apparent, the accompanying drawing in the following describes is only some embodiment that record in the utility model, to those skilled in the art, in the situation that not paying creative work, can also, according to accompanying drawing below, obtain other accompanying drawing.
Fig. 1 is working state figure A of the present utility model;
Fig. 2 is working state figure B of the present utility model;
Fig. 3 is working state figure C of the present utility model;
Wherein, the parts title that Reference numeral is corresponding is as follows:
1-support, 2-cylindrical shell, 3-excitation block, 4-pull bar, 5-approach switch, 6-cylinder, 7-hole, 8-air cylinder driven pump, 9-block rubber, 10-terminal pad, 11-threaded column, 12-threaded hole, 13-handle, 14-slip rail, 15-insulator.
Embodiment
In order to make those skilled in the art understand better the utility model, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out to clear, complete description.Apparent, embodiment described below is only the part in the utility model embodiment, rather than all.The embodiment recording based on the utility model, other all embodiment that those skilled in the art obtain in the situation that not paying creative work, all in the scope of the utility model protection.
Embodiment 1:
As depicted in figs. 1 and 2, insulator single activation device, comprise support 1, cylindrical shell 2, excitation block 3 and pull bar 4, a plurality of supports 1 are evenly arranged on the outside surface of cylindrical shell 2, cylindrical shell 2 closed upper part bottoms are open, excitation block 3 is arranged at cylindrical shell 2 inside, pull bar 4 runs through cylindrical shell 2 tops and is connected with excitation block 3, also comprise the approach switch 5 that is arranged at cylindrical shell 2 bottom inner surface, be symmetrically fixed on two cylinders 6 of cylindrical shell 2 bottom outer surface, on cylindrical shell 2, also offer the hole 7 that the telescopic end for cylinder 6 runs through, approach switch 5 is positioned at the top of cylinder 6 telescopic ends; Approach switch 5 is connected with the control signal input end of air cylinder driven pump 8.
In use, insulator 15 is positioned over to cylindrical shell 2 belows, by mode portable or that apparatus draws high, upwards pulls pull bar 4, excitation block 3 is stretched to cylindrical shell 2 tops, then releasing lever 4, and excitation block 3 falls to insulator 15 in the effect of gravity, realizes knocking insulator 15.
Before excitation block 3 drops downwards and contacts with insulator 15, excitation block 3 is through approach switch 5, and approach switch 5 is triggered and to air cylinder driven pump 8 input enabling signals, air cylinder driven pump 8 drives the telescopic end of cylinder 6 to stretch out.As shown in Figure 2, after excitation block 3 is upspring, the telescopic end of cylinder 6 extends excitation block 3 belows, thereby stops excitation block 3 to drop downwards, so can avoid secondary to knock, and improves the accuracy that defects of insulator detects.
Embodiment 2:
As shown in Fig. 1 ~ Fig. 3, the present embodiment, on the basis of embodiment 1, also comprises the block rubber 9 being connected with the telescopic end of described cylinder 6.
As shown in Figure 3, if the height that excitation block 3 is upspring is lower, the telescopic end of cylinder 6 can directly be against on the outside surface of excitation block 3 so, and excitation block 3 is clamped.In order to prevent that telescopic end and the excitation block 3 of cylinder 6 from damaging, block rubber 9 is set, the telescopic end of cylinder 6 clamps excitation block 3 by block rubber 9, so also can prevent that 3 pairs of insulators of excitation block 15 from carrying out secondary and knocking.
Embodiment 3:
The present embodiment, on the basis of embodiment 2, is provided with many anti-slip tanks on described block rubber 9.
Anti-slip tank is set, improves the friction force between block rubber 9 and excitation block 3, can further prevent that excitation block 3 is from landing between two cylinders 6.
Embodiment 4:
As shown in Figure 1, the present embodiment is on the basis of above-mentioned any one embodiment, and the top of described excitation block 3 is provided with terminal pad 10, and terminal pad 10 is coaxial with described excitation block 3, and described pull bar 4 is connected with the center of terminal pad 10; The bottom of terminal pad 6 is provided with threaded column 11, and the top of described excitation block 3 offers threaded hole 12, and threaded column 11 is threaded with threaded hole 12.
Embodiment 5:
As shown in Figure 1, the present embodiment is on the basis of above-mentioned any one embodiment, and the top of described pull bar 4 is provided with handle 13.Also comprise two slip rails 14 that are vertically installed in described cylindrical shell 2 tops, the two ends of described handle 13 and slip rail 14 are slidably connected.
As mentioned above, just can realize preferably the utility model.
Claims (6)
1. insulator single activation device, comprise support (1), cylindrical shell (2), excitation block (3) and pull bar (4), a plurality of supports (1) are evenly arranged on the outside surface of cylindrical shell (2), cylindrical shell (2) closed upper part bottom is open, excitation block (3) is arranged at cylindrical shell (2) inside, pull bar (4) runs through cylindrical shell (2) top and is connected with excitation block (3), it is characterized in that:
Also comprise the approach switch (5) that is arranged at cylindrical shell (2) bottom inner surface, be symmetrically fixed on two cylinders (6) of cylindrical shell (2) bottom outer surface, on cylindrical shell (2), also offer the hole (7) run through of telescopic end for cylinder (6), approach switch (5) is positioned at the top of cylinder (6) telescopic end;
Approach switch (5) is connected with the control signal input end of air cylinder driven pump (8).
2. insulator single activation device according to claim 1, is characterized in that:
Also comprise the block rubber (9) being connected with the telescopic end of described cylinder (6).
3. insulator single activation device according to claim 2, is characterized in that:
Described block rubber is provided with many anti-slip tanks on (9).
4. according to the insulator single activation device described in any one in claim 1 ~ 3, it is characterized in that:
The top of described excitation block (3) is provided with terminal pad (10), and terminal pad (10) is coaxial with described excitation block (3), and described pull bar (4) is connected with the center of terminal pad (10);
The bottom of terminal pad (6) is provided with threaded column (11), and the top of described excitation block (3) offers threaded hole (12), and threaded column (11) is threaded with threaded hole (12).
5. according to the insulator single activation device described in any one in claim 1 ~ 3, it is characterized in that:
The top of described pull bar (4) is provided with handle (13).
6. insulator single activation device according to claim 5, is characterized in that:
Also comprise two the slip rails (14) that are vertically installed in described cylindrical shell (2) top, the two ends of described handle (13) and slip rail (14) are slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285434.6U CN203870074U (en) | 2014-05-30 | 2014-05-30 | One-time actuator for insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285434.6U CN203870074U (en) | 2014-05-30 | 2014-05-30 | One-time actuator for insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870074U true CN203870074U (en) | 2014-10-08 |
Family
ID=51651014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420285434.6U Expired - Fee Related CN203870074U (en) | 2014-05-30 | 2014-05-30 | One-time actuator for insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533043A (en) * | 2021-07-08 | 2021-10-22 | 萍乡强盛电瓷制造有限公司 | Tension detection device for disc-type suspension porcelain insulator |
-
2014
- 2014-05-30 CN CN201420285434.6U patent/CN203870074U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533043A (en) * | 2021-07-08 | 2021-10-22 | 萍乡强盛电瓷制造有限公司 | Tension detection device for disc-type suspension porcelain insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20200530 |