CN2171852Y - Checking device for breakout pressure meter - Google Patents
Checking device for breakout pressure meter Download PDFInfo
- Publication number
- CN2171852Y CN2171852Y CN 93234397 CN93234397U CN2171852Y CN 2171852 Y CN2171852 Y CN 2171852Y CN 93234397 CN93234397 CN 93234397 CN 93234397 U CN93234397 U CN 93234397U CN 2171852 Y CN2171852 Y CN 2171852Y
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- CN
- China
- Prior art keywords
- valve
- adjusting
- cylinder
- pressure meter
- variable valve
- 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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Abstract
The utility model discloses a checking device for a locomotive breakout pressure meter, comprising a gas cylinder, adjusting valves, a standard pressure meter, and an adjusting cylinder, and the components are connected through a high pressure rubber hose. The outlet end of the gas cylinder is connected in series with the adjusting valve and a safety adjusting valve through the high pressure rubber hose, the other end of the safety adjusting valve is connected in parallel with an adjusting cylinder and a detecting tube through the high pressure rubber hose, two adjusting valves are connected in parallel at the middle of the detecting tube, the other ends of the two adjusting valves are respectively connected with the standard pressure meter and the checked breakout pressure meter, and the tail end of the detecting tube is connected with an air discharging valve.
Description
The utility model relates to a kind of instrument check device, exactly, is a kind of locomotive explosive pressure gauge calibration equipment.
The diesel engine of locomotive explosive pressure gauge is that diesel locomotive is examined surely, water resistance is tested requisite important specially-used measuring instrument.The explosive pressure gauge inaccurate to verification can not be handed over the car utilization of reaching the standard grade.Traditional calibration equipment of locomotive explosive pressure gauge regulates oil cylinder by lubricant plug, operation valve, one and drain valve is formed, and the medium of verification employing is a transformer oil.This method calibration, the excess oil in the table can't clean up, and when pressure measurement was used to on-the-spot locomotive, what detected was 400～600 ℃ of high temperature and 2.5～12.2MPa high pressure draught, and residual excess oil is met high-temperature high-pressure air flow and is easy to generate carbon distribution.Simultaneously, carbon distribution is arranged also in the air-flow of High Temperature High Pressure in the cylinder of diesel engine, be easy to be adsorbed in the excess oil, make the current limliting micropore be easy to stop up.Though the calibration interval of explosive pressure gauge are three months, but the in fact general table by measurement verification, the scene can only just be stopped up fully with two to three days sometimes and be done for, thereby has caused very big waste and the economic loss on the human and material resources, influences locomotive quality and Jiao Che time.
The purpose of this utility model is that providing a kind of is the locomotive outburst pressure table calibration equipment of medium with nitrogen, solves the practical problems that carbon distribution stops up, and overcomes above-mentioned deficiency.
Order of the present utility model is actual like this, and this device is become through the high-pressure rubber pipe winding by nitrogen cylinder, variable valve, master gauge, adjusting cylinder.Endpiece at nitrogen cylinder is serially connected with variable valve and safety regulating valve through high-pressure rubber pipe, the other end of safety regulating valve is through high-pressure rubber pipe and connect at least one adjusting cylinder and detector tube, the middle part of detector tube also is connected with two variable valve, the other end of two variable valve connects master gauge respectively and treats the explosive pressure gauge in school, the tail end of the detector tube air valve that runs in.
That this device is selected for use is nontoxic, harmless, do not fire, not quick-fried nitrogen is made medium replacing transformer oil, thereby solved remaining excess oil knot carbon blocking problem effectively.
Concrete structure of the present utility model is provided by following examples and accompanying drawing.
Fig. 1 is according to the concrete locomotive explosive pressure gauge calibration equipment that the utility model proposes.
Describe in detail according to concrete device and the working condition that the utility model proposes below in conjunction with Fig. 1.
This device is become through the high-pressure rubber pipe winding by nitrogen cylinder, variable valve, master gauge, adjusting cylinder.Endpiece in nitrogen cylinder ［ 1 ］, be serially connected with variable valve ［ 2 ］ and safety regulating valve ［ 3 ］ through high-pressure rubber pipe, the other end of safety regulating valve ［ 3 ］ is through high-pressure rubber pipe and connect two adjusting cylinders ［ 4 ］ and detector tube, the middle part of detector tube also is connected with variable valve ［ 5 ］, ［ 6 ］, the other end of two valves connects master gauge ［ 7 ］ respectively and treats the explosive pressure gauge ［ 8 ］ in school, at the tail end of the detector tube air valve ［ 9 ］ that runs in.When measuring explosive pressure gauge ［ 8 ］, close vent valve ［ 9 ］ earlier, open variable valve ［ 2 ］, safety regulating valve ［ 3 ］, adjust two and regulate cylinder ［ 4 ］, open variable valve ［ 5 ］, make master gauge ［ 7 ］ to required pressure, open variable valve ［ 6 ］ again, proofread and correct explosive pressure gauge ［ 8 ］ and get final product.
Claims (1)
- A kind ofly become through the high-pressure rubber pipe winding by gas cylinder, variable valve, master gauge, adjusting cylinder, locomotive explosive pressure gauge calibration equipment, the endpiece that it is characterized in that gas cylinder [1] is serially connected with variable valve [2] and safety regulating valve [3] through high-pressure rubber pipe, the other end of safety regulating valve, through high-pressure rubber pipe and connect at least one and regulate cylinder [4] and detector tube, the middle part of detector tube also is connected with variable valve [5], [6], the other end of two valves connects master gauge [7] respectively and treats the explosive pressure gauge [8] in school, the tail end of the detector tube air valve [9] that runs in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93234397 CN2171852Y (en) | 1993-07-21 | 1993-07-21 | Checking device for breakout pressure meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93234397 CN2171852Y (en) | 1993-07-21 | 1993-07-21 | Checking device for breakout pressure meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2171852Y true CN2171852Y (en) | 1994-07-13 |
Family
ID=33810080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93234397 Expired - Fee Related CN2171852Y (en) | 1993-07-21 | 1993-07-21 | Checking device for breakout pressure meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2171852Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729793A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Pressure gauge calibrating device |
| CN106525333A (en) * | 2016-05-23 | 2017-03-22 | 中国机械工业第二建设工程有限公司 | Simple micro-pressure instrument calibration device |
-
1993
- 1993-07-21 CN CN 93234397 patent/CN2171852Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729793A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Pressure gauge calibrating device |
| CN106525333A (en) * | 2016-05-23 | 2017-03-22 | 中国机械工业第二建设工程有限公司 | Simple micro-pressure instrument calibration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |