CN202693657U - Mining explosion-proof type voltage and ampere meter structure - Google Patents
Mining explosion-proof type voltage and ampere meter structure Download PDFInfo
- Publication number
- CN202693657U CN202693657U CN 201220219734 CN201220219734U CN202693657U CN 202693657 U CN202693657 U CN 202693657U CN 201220219734 CN201220219734 CN 201220219734 CN 201220219734 U CN201220219734 U CN 201220219734U CN 202693657 U CN202693657 U CN 202693657U
- Authority
- CN
- China
- Prior art keywords
- voltage
- casing
- proof
- entrance hole
- volometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005065 mining Methods 0.000 title abstract 3
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000005341 toughened glass Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 4
- 239000002360 explosive Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 7
- 239000002817 coal dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
A mining explosion-proof type voltage and ampere meter structure includes a casing and a cover plate in threaded connection with the casing, wherein a reading window is formed in the outer surface of the casing; explosion-proof toughened glass is arranged on the inner surface of the casing, corresponding to the reading window in position; a voltage and ampere meter body is arranged in a chamber formed by the casing and the cover plate; a pointer of the voltage and ampere meter body is jointed with the explosion-proof toughened glass, a shock-absorbing rubber gasket and a clamping ring fastening threaded ring; the mounting part of the voltage and ampere meter body is connected with a pressure plate fixed on an inner chamber wall of the casing; a cable clamping and introducing device is arranged at the side end part of the casing, and a power cord extends into a pressing line clamping nut; and a metal washer and a rubber seal gasket enter the chamber and are finally and electrically connected with the voltage and ampere meter body. Through the adoption of the structure, the standard provisions of the national GB3836.1-3-2010 explosive environmental products are conformed, and the mining explosion-proof type voltage and ampere meter structure has excellent explosion-proof and shock-proof effects, and is particularly suitable for the coal mine underground explosive environment.
Description
Technical field
The present invention relates to a kind of flame-proof mine electric current and voltage list structure.
Background technology
Anti-riot secondary battery anti-explosion electric locomotive is one of colliery industry instrument commonly used, voltage table or reometer are adopted in the monitoring of the situations such as its voltage, electric current mostly, but under coal mine, be flooded with inflammable and explosive methane gas (CH4) coal dusts such as a large amount of methane, coal dust, the gases such as these methane, coal dust are under conditions such as high temperature, burning-point, be easy to blast, the voltage table that is used for this kind occasion of selling in the market, reometer are all without explosion prevention function, and then there is very large potential safety hazard in the electric spark of voltage table or reometer inside like this.
The utility model content
The invention reside in and overcome the deficiencies in the prior art, a kind of flame-proof mine voltage table structure is provided, solved the problem of explosive atmosphere electric locomotive voltage, electric current safety monitoring under the coal mine.
The utility model is achieved in that a kind of flame-proof mine electric current and voltage list structure, comprises shell, and the cover plate that links to each other with outer casing screw, and described outer surface of outer cover offers the reading window; Inside surface and reading window opposite position are provided with copper washer and cloche; Be provided with the volometer body in the cavity that described shell and cover plate form, described volometer bulk voltage magnitude of current display instrument plate portion and cloche and fit with the tight wire ring that is arranged on the cloche place, instrument yielding rubber pad, trim ring, volometer body mounting portion is connected with pressing plate on being installed in the shell inner cavity wall, insulated wire plate and pressing plate Joint, be provided with binding post on the insulated wire plate, be provided with rubber slab between described volometer body and the pressing plate; Described shell side end offers entrance hole and the entrance hole cable clamps introducing device, described entrance hole cable clamps introducing device and is connected with entrance hole by the line ball clamp nut, in order to facilitate the introduction of cable, the entrance hole inwall also is provided with metal gasket and O-ring seal, cable stretches into entrance hole and stretches into inner chamber via line ball clamp nut, metal gasket, O-ring seal and be connected with insulated wire plate, binding post and volometer body, the O-ring seal of described entrance hole inwall setting is elastic seal ring, and described line ball clamp nut is located at cable introducing place.
Also be provided with the retaining trip bolt between described shell and the cover plate; Also be provided with copper washer and packing washer between described cloche and the inner surface of outer cover surface of contact, be provided with instrument yielding rubber pad, trim ring between cloche and this contact level of volometer.
Described shell, cover plate are made for being not less than the HT250 cast iron quality; Described cloche is explosion-proof transparent toughened glass.
The beneficial effects of the utility model are:
1, this enclosure interior can arrange current meter body equally, and versatility is good.
2, the design of employing threaded flame-proof type is safe and reliable, effectively dustproof and waterproof, vibrationproof antidetonation.
Description of drawings
Fig. 1 is side-looking sectional structure synoptic diagram of the present utility model;
Fig. 2 is main TV structure synoptic diagram of the present utility model;
Fig. 3 is the structural representation of the utility model housing parts.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, 2, 3, a kind of flame-proof mine electric current and voltage list structure comprises shell 1, and the cover plate 2 that links to each other with shell 1 screw thread, and described shell 1 outside surface offers reading window 20; Inside surface and reading window 20 opposite positions are provided with copper washer 7 and cloche 6; Be provided with volometer body 3 in the cavity that described shell 1 and cover plate 2 form, described volometer body 3 electric current and voltage amount display instrument plate portions and cloche 6 and fit with the tight wire ring 10 that is arranged on cloche 6 places, instrument yielding rubber pad 8, trim ring 9, volometer body 3 mounting portions are connected with pressing plate 21 on being installed in shell 1 internal chamber wall, insulated wire plate 11 and pressing plate 21 Joints, be provided with binding post 12 on the insulated wire plate 11, be provided with rubber slab 5 between described volometer body 3 and the pressing plate 21; Described shell 1 side end offers entrance hole 22 and the entrance hole cable clamps introducing device 17, described entrance hole cable clamps introducing device 17 and is connected with entrance hole 22 by line ball clamp nut 23, in order to facilitate the introduction of cable, entrance hole 22 inwalls also are provided with metal gasket 16 and O-ring seal 15, cable stretches into entrance hole 22 via line ball clamp nut 23, metal gasket 16, O-ring seal 15 stretches into inner chamber and insulated wire plate 11, binding post 12 and volometer body 3 connect, the O-ring seal 15 that described entrance hole 22 inwalls arrange is elastic seal ring, and described line ball clamp nut 23 is located at cable introducing place.
Also be provided with retaining trip bolt 14 between described shell 1 and the cover plate 2; Also be provided with copper washer (not shown) and packing washer 7 between described cloche 6 and the shell 1 inside surface surface of contact, be provided with instrument yielding rubber pad 8, trim ring 9 between cloche 6 and volometer body 3 surface of contact.
Described shell 1, cover plate 2 are made for being not less than the HT250 cast iron quality; Described cloche 6 is explosion-proof transparent toughened glass.
Below only be preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. flame-proof mine electric current and voltage list structure is characterized in that: comprise shell, and the cover plate that links to each other with outer casing screw, described outer surface of outer cover offers the reading window; Inside surface and reading window opposite position are provided with copper washer and cloche; Be provided with the volometer body in the cavity that described shell and cover plate form, described volometer bulk voltage magnitude of current display instrument plate portion and cloche and fit with the tight wire ring that is arranged on the cloche place, instrument yielding rubber pad, trim ring, volometer body mounting portion is connected with pressing plate on being installed in the shell inner cavity wall, insulated wire plate and pressing plate Joint, be provided with binding post on the insulated wire plate, be provided with rubber slab between described volometer body and the pressing plate; Described shell side end offers entrance hole and the entrance hole cable clamps introducing device, described entrance hole cable clamps introducing device and is connected with entrance hole by the line ball clamp nut, in order to facilitate the introduction of cable, the entrance hole inwall also is provided with metal gasket and O-ring seal, cable stretches into entrance hole and stretches into inner chamber via line ball clamp nut, metal gasket, O-ring seal and be connected with insulated wire plate, binding post and volometer body, the O-ring seal of described entrance hole inwall setting is elastic seal ring, and described line ball clamp nut is located at cable introducing place.
2. a kind of flame-proof mine electric current and voltage list structure according to claim 1 is characterized in that: also be provided with the retaining trip bolt between described shell and the cover plate; Also be provided with copper washer and packing washer between described cloche and the inner surface of outer cover surface of contact, be provided with instrument yielding rubber pad, trim ring between cloche and this contact level of volometer.
3. a kind of flame-proof mine electric current and voltage list structure according to claim 1, it is characterized in that: described shell, cover plate are made for being not less than the HT250 cast iron quality; Described cloche is explosion-proof transparent toughened glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220219734 CN202693657U (en) | 2012-05-17 | 2012-05-17 | Mining explosion-proof type voltage and ampere meter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220219734 CN202693657U (en) | 2012-05-17 | 2012-05-17 | Mining explosion-proof type voltage and ampere meter structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693657U true CN202693657U (en) | 2013-01-23 |
Family
ID=47549258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220219734 Expired - Fee Related CN202693657U (en) | 2012-05-17 | 2012-05-17 | Mining explosion-proof type voltage and ampere meter structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516155A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Wire outgoing structure for explosion-proof electric machine |
| CN112659894A (en) * | 2020-12-31 | 2021-04-16 | 衡阳合力工业车辆有限公司 | Explosion-proof vehicle and display instrument thereof |
-
2012
- 2012-05-17 CN CN 201220219734 patent/CN202693657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516155A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Wire outgoing structure for explosion-proof electric machine |
| CN112659894A (en) * | 2020-12-31 | 2021-04-16 | 衡阳合力工业车辆有限公司 | Explosion-proof vehicle and display instrument thereof |
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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: 20130123 Termination date: 20140517 |