CN201638946U - Electrostatic grounding protection device for detecting grounding resistance - Google Patents
Electrostatic grounding protection device for detecting grounding resistance Download PDFInfo
- Publication number
- CN201638946U CN201638946U CN2009202712556U CN200920271255U CN201638946U CN 201638946 U CN201638946 U CN 201638946U CN 2009202712556 U CN2009202712556 U CN 2009202712556U CN 200920271255 U CN200920271255 U CN 200920271255U CN 201638946 U CN201638946 U CN 201638946U
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- electrostatic
- grounding
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- board
- static board
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model relates to an electrostatic grounding protection device for detecting a grounding resistance, belongs to the technical field of electrostatic conductive grounding equipment and mainly solves the problem that when in use, the existing electrostatic conductive grounding system cannot detect the grounding resistance regularly so as to reliably discharge electrostatic into the ground. The electrostatic grounding protection device is mainly characterized by comprising a base and a cap cover which form an enclosed cavity, wherein the bottom inside a base cavity is provided with an insulation board; the upper surface of the insulation board is provided with a connecting electrostatic conductive board and a grounding electrostatic conductive board at intervals; the connecting electrostatic conductive board and the grounding electrostatic conductive board respectively pass through both left and right side walls of the base by inner holes of an oil-resistant insulation sleeve; and a connecting copper plate conducts the connecting electrostatic conductive board and the grounding electrostatic conductive board which are separated by a coupling screw. The electrostatic grounding protection device has the characteristics of difficult rusting outdoors, easy detection and easy protection, is mainly used for a large-scale oil storage, an oil pipeline and a dispensing pump station and provides reliable guarantee for the large-scale oil storage, the oil pipeline and the dispensing pump station to discharge electrostatic into the ground.
Description
Technical field
The utility model belongs to the electrostatic grounding equipment technology field of leading.Being specifically related to being used on the large-scale storage tank farm in a kind of field, petroleum pipeline, the pump cabinet detects the electrostatic grounding protective device of earth resistance.
Background technology
The static of open-air large-scale storage tank farm, petroleum pipeline, pump cabinet need reliably leak into the earth.Present way is directly to draw from the large-scale storage tank farm in field etc. longly to lead static board and be embedded in underground earth electrode and be connected, and makes its static leak into the earth.This way, during use because of can not regularly detecting the earth resistance of earth electrode and the earth, static can't reliably leak into the earth by earth electrode when causing earth resistance excessive, in this state, there are potential, serious potential safety hazard in large-scale storage tank farm, petroleum pipeline, pump cabinet etc.
Summary of the invention
The purpose of this utility model is exactly that design at above-mentioned deficiency a kind of leads static, detects the electrostatic grounding protective device that safe and reliable and good being used to of protection effect in the open air of earth resistance detects earth resistance.
Technical solution of the present utility model is: a kind of electrostatic grounding protective device that is used to detect earth resistance is characterized in that: comprise the base and the cap that constitute closed cavity; The base cavity inner bottom part is provided with insulation board, is interval with above the insulation board to connect to lead static board and ground connection is led static board, connects to lead static board and ground connection and lead static board and pass base left and right sides wall through oil resistant insulating cover endoporus respectively; The connection copper coin by attachment screw static board is led in isolated connection and ground connection is led the static board conducting.
The matching part of base described in the technical solution of the present utility model and cap is provided with the step of the interior tyre gradient that cooperatively interacts, and oil resistant O type large sealing packing ring is housed.
The rear portion is provided with the rotating shaft that can supply the cap upset between base described in the technical solution of the present utility model and the cap, the front portion is provided with locking device, this locking device comprises that locking colludes, rotation lock mandrel and oil resistant O shape small sealing ring, wherein, locking colludes and is fixed on the rotation lock mandrel that is installed on the base.
Oil resistant insulating cover described in the technical solution of the present utility model is that profile is step, has a cuboid of square hole, its profile is installed in the stepped hole of base both sides, be glued then, endoporus respectively be connected lead static board, ground connection is led static board and is closely cooperated.
Ground connection described in the technical solution of the present utility model leads static board, connect and to lead static board, connect the copper coin surface and be provided with tin coating, the zinc coat that base, cap, screw, locking collude, rotation lock mandrel surface is provided with color passivation.
Cap top described in the technical solution of the present utility model is a sphere.
The utility model is owing to adopt by base; connect and lead static board; ground connection is led static board; connect copper coin; insulation board; the electrostatic grounding protective device that cap is formed; wherein; connect and lead static board; ground connection is led static board and is passed base left and right sides wall from oil resistant insulating cover endoporus respectively; connect the inside cavity that copper coin is positioned at protective device; static board is led in isolated connection and ground connection is led the static board conducting by attachment screw; thereby; make through the connection after the antirust processing and lead static board; ground connection is led static board; connect the protective device cavity that copper coin and attachment screw are positioned at relative closure all the time; even it is so open-air in the open and have in the environment of fuel gas; this electrostatic grounding protective device also can access protection preferably; and guarantee that effectively static reliably leaks into the earth, prolonged the useful life of device greatly.Can make and connect copper coin and two and lead static board and separate by unscrewing attachment screw, realize that ground connection leads the detection of the earth resistance of static board and the earth, thereby got rid of the excessive phenomenon of earth resistance, guarantee that effectively static reliably leaks into the earth.
The utility model makes things convenient for base, cap to cooperate up and down reliably, is difficult for dislocation owing to the step that is provided with the interior tyre gradient that cooperatively interacts at the matching part of base and cap, and is difficult for making it damaging when external force is collided.The earhole at base and cap rear portion is equipped with and can uses in the time of can opening and closing for cap for the rotating shaft of cap upset.The cap front portion is provided with the lock pin for locking device locking; can be rotatably installed in the rotation lock mandrel of base front portion by specific purpose tool; make the locking that is fixed on the rotation lock mandrel collude the lock pin that locking cap covers; thereby be easy to realize the locking of base and cap, play connection copper coin, connect and lead static board, ground connection and lead the disabler that this protective device static that phenomenons such as static board etc. is lost, damage cause leaks into the earth because of this protective device inside.The utility model is owing to adopt oil resistant insulating cover, oil resistant O shape large sealing packing ring, O shape small sealing ring that open-air wet gas and fuel gas are entered in this protective device cavity; the parts of its inside are played the effect of effective sealing protection, the useful life of having improved this protective device significantly.
The present test run usefulness on dual-use large-scale storage tank farm, petroleum pipeline, pump cabinet of the utility model; its result shows; this electrostatic grounding protective device has not only promoted the safety factor that static leaks into the earth greatly by reference; and obtaining significant achievement aspect the maintenance of static grounding system, maintenance, the update; improved 2～3 times its useful life than originally, thereby produced bigger society and economic benefits.
The utlity model has protection effect in the open air good, be difficult for corrosion and can be used for detecting the characteristics of earth resistance.The utility model is mainly used in the electrostatic grounding protective device on open-air large-scale storage tank farm, petroleum pipeline, the pump cabinet.
Description of drawings
Fig. 1 is the connection diagram of the utility model in leading static grounding system;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the right TV structure schematic diagram of Fig. 2;
Fig. 4 is the local enlarged diagram of Fig. 3;
Fig. 5 is the plan structure schematic diagram of Fig. 2;
Fig. 6 is the partial schematic diagram of Fig. 3;
Fig. 7 is a profile schematic diagram of the present utility model;
Fig. 8 is a detected state schematic diagram of the present utility model.
Large-scale storage tank farm, petroleum pipeline, pump cabinet 1; The long static board 2 of leading; Connect and lead static board 3; Base 4; Cap 5; Connect copper coin 6; Ground connection is led static board 7; Earth electrode 8; Set bolt 9; Cement pedestal 10; Rotation lock mandrel 11; O shape small sealing ring 12; Locking colludes 13; Lock pin 14; Oil resistant insulating cover 15; Attachment screw 16; Insulation board 17; O shape large sealing packing ring 18; Rotating shaft 19; Insulation board breach 20; Hide rain eaves 21.
Embodiment
Connect and to lead static board 3, ground connection and lead after oil resistant insulating that static board 7 installs from base 4 left and right sides respectively overlaps 15 endoporus and pass, the left side connects leads static board 3 external parts and leads static board 2 one ends and be connected with growing, right side ground connection is led static board 7 external parts and is connected with earth electrode 8, after these two junctions are fastening with bolts, nut, and along the reliable welding of the periphery of overlap joint, mode preservative treatments such as pitching are adopted in the commissure.Long static board 2 other ends of leading are connected with large-scale storage tank farm, petroleum pipeline, pump cabinet 1.Connecting connection that copper coin 6 two ends are overlapped on base inside respectively leads the other end and the ground connection of static board 3 and leads on static board 7 other ends, and by attachment screw 16 will connect copper coin 6 two ends, static board 3 other ends are led in connection, ground connection is led static board 7 other ends and together is fastened on the insulation board 17 that is fastenedly connected with base, thereby make long lead static board 2 by connection lead static board 3, connect copper coin 6, ground connection is led static board 7 and earth electrode 8 conductings.Base 4 is fastened on the cement pedestal 10 by set bolt 9.
The two ear seats at base 4, cap 5 rear portions assemble the back mutually and connect by rotating shaft 19, use in the time of can opening and closing for cap.Base 4 is provided with the step of the interior tyre gradient that cooperatively interacts with the matching part of cap 5, and oil resistant O shape large sealing packing ring 18 is housed, and makes things convenient for base, cap to cooperate up and down tightly.Be installed in and be fixed with locking on the rotation lock mandrel 11 on the base 4 and collude 13, rotate rotation lock mandrel 11, make locking collude lock pins 14 on the 13 locking caps 5, thereby conveniently realize the locking of base 4 and cap 5 by specific purpose tool; In the time of need opening cap 5,, make locking collude that lock pin 14 gets final product on the 13 whiz caps 5 by specific purpose tool backward rotation rotation lock mandrel 11.Oil resistant O shape small sealing ring 12 is contained between rotation lock mandrel 11 and the base 4, together with the screening rain eaves 21 on the rotation lock mandrel 11 top caps 5, the locking device of installing on the base 4 is played sealing, protective action.
When needs detect earth resistance; rotate rotation lock mandrel 11 by specific purpose tool; make locking collude lock pin 14 on the 13 whiz caps 5; carry out following operation after opening cap: unscrew and take out the attachment screw 16 that connects copper coin 6 two ends and be connected copper coin 6; can see this moment; ground connection is led on the insulation board 17 below static board 7 ends and is had an insulation board breach 20; the clip 22 of earth resistance tester can utilize this insulation board breach 20 to clamp ground connection and lead static board 7; carry out the detection of earth resistance then according to method of testing; see whether earth resistance meets the demands; if meet the demands; to connect copper coin 6 by situation before the overlap joint restores to the original state; and screw attachment screw 16, and the connection resistance of assurance whole protecting device is less than 0.02 ohm.If can not satisfy earth resistance and be connected resistance, will keep in repair and change till meeting the demands.
In addition; before the assembling of whole protecting device; ground connection leads static board 7, connect and to lead static board 3, connect copper coin 6 and carried out zinc-plated processing; except seal member, insulating element, the zinc-plated protective treatment that other base 4, cap 5, locking collude 13, rotation lock mandrel 11, attachment screw 16 etc. have carried out color passivation.
Claims (6)
1. an electrostatic grounding protective device that is used to detect earth resistance is characterized in that: comprise base (4) and the cap (5) of being with closed cavity; Base (4) chamber inner bottom part is provided with insulation board (17), be interval with above the insulation board (17) to connect and lead static board (3) and ground connection is led static board (7), connection is led static board (3) and ground connection and is led static board (7) and pass base (4) left and right sides wall through oil resistant insulating cover (15) endoporus respectively; Connection copper coin (6) by attachment screw (16) static board (3) is led in isolated connection and ground connection is led static board (7) conducting.
2. the electrostatic grounding protective device that is used to detect earth resistance according to claim 1 is characterized in that: described base (4) is provided with the step of the interior tyre gradient that cooperatively interacts with the matching part of cap (5), and oil resistant O shape large sealing packing ring (18) is housed.
3. the electrostatic grounding protective device that is used to detect earth resistance according to claim 1 and 2 is characterized in that: the rear portion is provided with and can be provided with locking device for rotating shaft (19), the front portion of cap upset between described base (4) and the cap (5); This locking device comprises that locking colludes (13), rotation lock mandrel (11) and oil resistant O shape small sealing ring (12), and wherein, locking colludes (13) and is fixed on the rotation lock mandrel (11) that is installed on the base (4).
4. the static electricity earthing device that is used to detect earth resistance according to claim 1 and 2, it is characterized in that: described oil resistant insulating cover (15) is that profile is step, has a cuboid of square hole, its profile is installed in the stepped hole of base (4) both sides, be glued then, endoporus respectively be connected lead static board (3), ground connection is led static board (7) and is closely cooperated.
5. the static electricity earthing device that is used to detect earth resistance according to claim 1 and 2, it is characterized in that: described ground connection leads static board (7), connect and to lead static board (3), connect copper coin (6) surface and be provided with tin coating, and base (4), cap (5), screw (16), locking collude the zinc coat that (13), rotation lock mandrel (11) surface are provided with color passivation.
6. the static electricity earthing device that is used to detect earth resistance according to claim 1 and 2 is characterized in that: described cap (5) top is a sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202712556U CN201638946U (en) | 2009-11-29 | 2009-11-29 | Electrostatic grounding protection device for detecting grounding resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202712556U CN201638946U (en) | 2009-11-29 | 2009-11-29 | Electrostatic grounding protection device for detecting grounding resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638946U true CN201638946U (en) | 2010-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202712556U Expired - Fee Related CN201638946U (en) | 2009-11-29 | 2009-11-29 | Electrostatic grounding protection device for detecting grounding resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081119A (en) * | 2009-11-29 | 2011-06-01 | 新兴重工湖北三六一一机械有限公司 | Electrostatic grounding protection device for detecting grounding resistances |
-
2009
- 2009-11-29 CN CN2009202712556U patent/CN201638946U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081119A (en) * | 2009-11-29 | 2011-06-01 | 新兴重工湖北三六一一机械有限公司 | Electrostatic grounding protection device for detecting grounding resistances |
| CN102081119B (en) * | 2009-11-29 | 2013-05-01 | 新兴重工湖北三六一一机械有限公司 | Electrostatic grounding protection device for detecting grounding resistances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20131129 |