CN201662462U - Calibration device of mining pressure transmitter - Google Patents
Calibration device of mining pressure transmitter Download PDFInfo
- Publication number
- CN201662462U CN201662462U CN2010201572861U CN201020157286U CN201662462U CN 201662462 U CN201662462 U CN 201662462U CN 2010201572861 U CN2010201572861 U CN 2010201572861U CN 201020157286 U CN201020157286 U CN 201020157286U CN 201662462 U CN201662462 U CN 201662462U
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- Prior art keywords
- pressure unit
- mining
- mining pressure
- manual pump
- hydraulic oil
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- 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 calibration device of a mining pressure transmitter, which comprises a manual pump, a pressure gauge and two steel tubes. The manual pump is used for storing hydraulic oil and pressurizing the mining pressure transmitter, the pressure gauge is used for measuring the pressure of the hydraulic oil transmitted from the manual pump, the two steel tubes are respectively connected with two sensors of the mining pressure transmitter and used for delivering the hydraulic oil to the sensors, and the manual pump, the pressure gauge and the two steel tubes are respectively connected with the four joints of a four-way joint. The calibration device of the mining pressure transmitter can simultaneously calibrate two sensors, and is high in efficiency and reliability, convenient in connection and installation and low in labor intensity.
Description
Technical field
The utility model relates to the pressure sensor calibrating field, particularly a kind of mining pressure unit caliberating device.
Background technology
The hydraulic support working resistance monitoring of coal mine work area has crucial meaning to guaranteeing the coal mine work area ordinary production, pressure unit is the important instrument of monitoring hydraulic support working resistance, pressure unit is a core with piezoceramic transducer and microprocessor, piezoceramic transducer changes the pressure that records into electric signal, then electric signal is amplified, microprocessor is discerned, is handled and show the electric signal after amplifying.Pressure unit must reflect the hydraulic system pressure size, so pressure unit must carry out precision calibration before dispatching from the factory.Piston gage is generally used in the demarcation of pressure, and piston gage generally can only be demarcated a pressure transducer, and mining pressure unit has two sensors.Use piston gage that mining pressure unit is carried out precision calibration process complexity, and expend a large amount of manpower and materials.
The utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model provides a kind of mining pressure unit caliberating device, with the caliberating device that solves prior art to the calibration process complexity of mining industry pressure unit, expend the defective of a large amount of manpower and materials.
(2) utility model content
For this reason, a kind of mining pressure unit caliberating device that the utility model provides comprises:
Manual pump is used for stores hydraulic pressure oil and gives described mining pressure unit pressurization;
Tensimeter is used to measure the pressure of the hydraulic oil that described manual pump sends;
Two steel pipes are connected with two sensors of described mining pressure unit respectively, are used for described hydraulic oil is sent to described sensor; Described manual pump, tensimeter, two steel pipes are connected with four pipeline connectors of four-way connection respectively.
Two pipeline connectors of described four-way connection weld respectively at two steel pipes.
Described tensimeter is connected by thread seal with a pipeline connector of described four-way connection.
(3) beneficial effect
The technical solution of the utility model has following beneficial effect: the mining pressure unit caliberating device that present embodiment provides, can demarcate two sensors simultaneously, and the efficient height, the reliability height, and also connection is convenient, and labour intensity is low.
Description of drawings
Fig. 1 is the mining pressure unit caliberating device of a utility model structural representation.
Wherein, 1: manual pump; 2: tensimeter; 3: steel pipe; 4: steel pipe; 5: four-way connection; 6: mining pressure unit.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, be the mining pressure unit caliberating device of the utility model structural representation; The mining pressure unit caliberating device of present embodiment is connected with mining pressure unit 6, comprising: manual pump 1, tensimeter 2, steel pipe 3 and steel pipe 4, and four-way connection 5.Wherein manual pump 1 is used for stores hydraulic pressure oil and gives mining pressure unit 6 pressurizations, tensimeter 2 is used to measure the pressure of the hydraulic oil that manual pump 1 sends, two steel pipes 3 and 4 are connected with two sensors of mining pressure unit 5 respectively, are used for hydraulic oil is sent to two sensors; Manual pump 1, tensimeter 2, two steel pipes 3 are connected with four pipeline connectors of four-way connection 5 respectively with 4.
Wherein, tensimeter 2 is selected high-precision tensimeter for use, to realize the accurate demarcation to mining pressure unit 6; Steel pipe 3 and 4 is a stainless-steel tube, hollow, and hydraulic oil is given mining pressure unit 6 pressurizations by steel pipe 3 and 4, and two pipeline connectors of four-way connection 5 are respectively at steel pipe 3 and 4 welding; Tensimeter 2 is connected by thread seal with a pipeline connector of four pipeline connectors 5.
The operation manual pump makes hydraulic oil wherein under the pressure of manual pump hydraulic oil be reached tensimeter by four-way connection, reaches the sensor of mining pressure unit again by two steel pipes, to realize the accurate demarcation to mining pressure unit.
The mining pressure unit caliberating device that present embodiment provides can be demarcated two sensors simultaneously, the efficient height, and the reliability height, and also connection is convenient, and labour intensity is low.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (3)
1. a mining pressure unit caliberating device is connected with mining pressure unit, it is characterized in that, comprising:
Manual pump is used for stores hydraulic pressure oil and gives described mining pressure unit pressurization;
Tensimeter is used to measure the pressure of the hydraulic oil that described manual pump sends;
Two steel pipes are connected with two sensors of described mining pressure unit respectively, are used for described hydraulic oil is sent to described sensor;
Described manual pump, tensimeter, two steel pipes are connected with four pipeline connectors of four-way connection respectively.
2. mining pressure unit caliberating device as claimed in claim 1 is characterized in that, two pipeline connectors of described four-way connection weld with two steel pipes respectively.
3. mining pressure unit caliberating device as claimed in claim 1 is characterized in that, described tensimeter is connected by thread seal with a pipeline connector of described four-way connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572861U CN201662462U (en) | 2010-04-12 | 2010-04-12 | Calibration device of mining pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572861U CN201662462U (en) | 2010-04-12 | 2010-04-12 | Calibration device of mining pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662462U true CN201662462U (en) | 2010-12-01 |
Family
ID=43232881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201572861U Expired - Fee Related CN201662462U (en) | 2010-04-12 | 2010-04-12 | Calibration device of mining pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228739A (en) * | 2017-07-11 | 2017-10-03 | 成都众山科技有限公司 | A kind of pressure transmitter detecting system of high efficiency, low cost |
-
2010
- 2010-04-12 CN CN2010201572861U patent/CN201662462U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228739A (en) * | 2017-07-11 | 2017-10-03 | 成都众山科技有限公司 | A kind of pressure transmitter detecting system of high efficiency, low cost |
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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: 20101201 Termination date: 20140412 |