CN208366527U - Pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ - Google Patents
Pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ Download PDFInfo
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- CN208366527U CN208366527U CN201821166664.5U CN201821166664U CN208366527U CN 208366527 U CN208366527 U CN 208366527U CN 201821166664 U CN201821166664 U CN 201821166664U CN 208366527 U CN208366527 U CN 208366527U
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Abstract
The utility model discloses a kind of pressure-measuring pipe apertures to survey pressure and pressure value calibrating installation in situ, lower flange is fixed at pressure-measuring pipe upper opening, lower flange is equipped with upper flange plate corresponding with lower flange, through hole is provided on the upper flange plate and lower flange, through hole includes pressure gauge gaging hole and artificial gaging hole, pressure gauge mounting bracket is tee pipe fitting, tee pipe fitting includes the first passage for connecting pressure gauge, connect the second channel of pressure gauge gaging hole, third channel equipped with drainage hole, first passage, second channel, third channel meet is equipped with valve, pressure instrumentataion is equipped in artificial gaging hole, artificial gaging hole is equipped with Waterproof connector of cable, the transmission cable of pressure instrumentataion is connected by Waterproof connector of cable with external equipment.The utility model structure is simple, easy to use, and using a variety of instruments, measured value, multiple groups measurement result are mutually checked simultaneously, ensure that the accuracy of measured value.And the latter measurement period is interior without disassembly in place for once mounting, greatly improves work efficiency.
Description
Technical field
The utility model relates to a kind of pressure measuring units more particularly to a kind of pressure-measuring pipe aperture to survey pressure and pressure value calibration in situ
Device.
Background technique
Pressure-measuring pipe measures a kind of thin tube-like seepage monitoring instrument of the liquid with respect to pressure, and the height of water column is come in its tube
Indicate the size of osmotic pressure.It can be used to monitor dam seepage line, osmotic pressure pressure, level of ground water and around dam seepage flow etc..It answers extensively
For the industries monitoring instrument such as water conservancy, petroleum, chemical industry, construction machinery production, coal mine, shipbuilding, aviation, automobile, medical instrument, tool
Have the advantages that materials it is convenient, it is technical require it is low, convenient for manufacture and installation, cheap.In civil engineering, pressure-measuring pipe is common
In the evaluation for determining direction of groundwater flow, flow velocity and permitted pumping discharge, for in dam infiltration section in hydraulic and hydroelectric engineering
The observation of the position of seepage field Free Surface upper thread judges whether seepage flow is normal to understand position and the variation of saturation.Usually
Three or more representational cross sections are selected on dam, each lay is no less than three percolation line holes, buries and survey in hole
Pressure pipe.
Currently, using carrying out survey pressure by the way of pressure-measuring pipe mouth plus-pressure table, in this way vulnerable to artificial destruction, rainfall shadow
It ringing, solid and chemical precipitates are easy silting, and long term monitoring is time-consuming and laborious, and lag time is long, and pressure table safety is unsecured,
Institute's measuring pressure accuracy can not be considered simultaneously.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide that a kind of structure is simple, may be implemented to stablize
Measurement, multiple groups measured value guarantee that pressure and pressure value calibrating installation are surveyed in the pressure-measuring pipe aperture of measurement accuracy in situ.
The purpose of this utility model is achieved through the following technical solutions:
Pressure and pressure value calibrating installation, including pressure-measuring pipe, pressure gauge mounting bracket, the survey pressure are surveyed in pressure-measuring pipe aperture in situ
Pipe upper and lower opening, lower flange is fixed at pressure-measuring pipe upper opening, and lower flange is equipped with upper method corresponding with lower flange
Blue disk, is provided with through hole on the upper flange plate and lower flange, and the through hole includes at least one pressure gauge gaging hole and extremely
A few artificial gaging hole, the pressure gauge mounting bracket are tee pipe fitting, and the tee pipe fitting includes first passage, second logical
Road, third channel, first passage connect pressure gauge, and second channel connects pressure gauge gaging hole, and third channel is equipped with drainage hole, institute
It states first passage, second channel, third channel meet and is equipped with valve, be equipped with pressure instrumentataion, the people in the artificial gaging hole
Work gaging hole is equipped with Waterproof connector of cable, and the transmission cable of pressure instrumentataion is connected by Waterproof connector of cable with external equipment.
Preferably, the lower flange is welded at pressure-measuring pipe upper opening.
Preferably, the upper flange plate is connected with lower flange by flange bolt.
Preferably, the through hole is uniformly arranged, and the through hole is a pressure gauge gaging hole and two artificial gaging holes.
Preferably, the valve is spherical valve.
Preferably, the Waterproof connector of cable is gland head.
Preferably, the pressure instrumentataion is water-level gauge, osmometer.
Preferably, pressure-measuring pipe lower opening connection pvc pipe or metal tube.
The beneficial effects of the utility model are:
(1) structure is simple, easy to use, and using a variety of instruments, measured value, multiple groups measurement result are mutually checked simultaneously, guarantees to survey
Value is accurate.
(2) the latter measurement period is interior without dismantling in place for artificial gaging hole and pressure gauge once mounting, time saving and energy saving, significantly
It improves work efficiency, while reducing instrument removal damage to lead to reduced lifetime or bad stability.
(3) waterproofing protection of the gland head commonly used to realize internal electric equipment, that is, prevent water to be externally entering electrical
In equipment, and gland head is innovatively applied to interior external sealing by the application, while realizing that cable draws function, is realized
The sealing of pressure-measuring pipe, avoids the liquid in pressure-measuring pipe from leaking from inside to outside and influence to measure.
Detailed description of the invention
Fig. 1 is the utility model structure chart；
In figure, 1- pressure gauge, 2- discharge outlet, 3- pressure gauge mounting bracket, 4- flange bolt, 5- pressure gauge gaging hole, 6- survey
Pressure pipe, 7- lower flange, 8- upper flange plate, 9- Waterproof connector of cable, 10- valve.
Specific embodiment
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
Refering to fig. 1, the utility model provides a kind of technical solution:
Pressure and pressure value calibrating installation, including pressure-measuring pipe 6, pressure gauge mounting bracket 3, the survey are surveyed in pressure-measuring pipe aperture in situ
The steel pipe of pressure pipe 6(diameter 90mm) upper and lower opening, by being welded to connect lower flange 7, lower flange 7 at 6 upper opening of pressure-measuring pipe
Upper flange plate 8 is connected by four evenly arranged flange bolts 4, is provided with and runs through on the upper flange plate 8 and lower flange 7
Hole, the through hole be a pressure gauge gaging hole 5 and two artificial gaging holes (it is without being limited thereto, can be multiple, main purpose is
Multi-group data is surveyed correction is compared, keeps measurement result more acurrate), pressure gauge gaging hole 5 and artificial gaging hole are uniformly arranged.It is described
Pressure gauge mounting bracket 3 is tee pipe fitting (3/4 inch of steel pipe), and the tee pipe fitting includes first passage, second channel, third
Channel, first passage connect pressure gauge 1, and second channel connects pressure gauge gaging hole 5, and third channel is equipped with drainage hole 2, and described the
One channel, second channel, third channel meet are equipped with spherical valve, and spherical valve can effectively throttle, and reduce valve and valve seat
Erosion.
The pvc pipe or metal tube of the 6 lower opening connection diameter 50mm of pressure-measuring pipe, as entering for importing testing liquid
Mouthful.
Further, pressure instrumentataion is equipped in the artificial gaging hole, the transmission cable of the pressure instrumentataion is anti-by cable
Water swivel 9 is connected with external equipment, and Waterproof connector of cable 9, as gland head are additionally provided on the artificial gaging hole, and gland head is logical
Glan locking transmission cable is crossed, so that transmission cable is not generated axial displacement and radial rotation, guarantees the company of transmission cable in this way
It connects normal, it can also be ensured that leakproofness has the function that prevent fluid seepage in pressure-measuring pipe 6.Pressure instrumentataion is in the present embodiment
Pressure water-level gauge and osmometer, pressure water-level gauge cooperation osmometer and pressure gauge measure three groups of data, mutually check and guarantee to survey
It is accurate and effective to measure result.
The utility model operating process is as follows:
Pressure instrumentataion is mounted in artificial gaging hole, and constant transmissions cable, transmission electricity are sealed by Waterproof connector of cable 9
One end of cable is connected with pressure instrumentataion, and the other end is connected by Waterproof connector of cable 9 with external equipment, then leads to testing liquid
The pvc pipe for crossing 6 lower opening of pressure-measuring pipe imports pressure-measuring pipe 6, opens spherical valve, submerges testing liquid and is installed in artificial gaging hole
Pressure instrumentataion (water-level gauge and osmometer), after testing liquid goes upward to tee pipe fitting, by extra air from 2 row of drainage hole
Out, until stable liquid is discharged from drainage hole 2, globe valve is closed at this time, sees that gauge hand rises to highest order no longer
Start to measure when dynamic, record measurement data, then carry out comparing, correction, corrects measured value with correction parameter,
Obtain practical accurate pressure value.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection scope in.
Claims (8)
1. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ, it is characterised in that: installed including pressure-measuring pipe (6), pressure gauge
Bracket (3), pressure-measuring pipe (6) upper and lower opening are fixed with lower flange (7) at pressure-measuring pipe (6) upper opening, lower flange (7)
It is equipped with upper flange plate (8) corresponding with lower flange (7), is provided with and runs through on the upper flange plate (8) and lower flange (7)
Hole, the through hole include at least one pressure gauge gaging hole (5) and at least one artificial gaging hole, the pressure gauge mounting bracket
It (3) is tee pipe fitting, the tee pipe fitting includes first passage, second channel, third channel, and first passage connects pressure gauge
(1), second channel connection pressure gauge gaging hole (5), third channel be equipped with drainage hole (2), the first passage, second channel,
Third channel meet is equipped with valve (10), and pressure instrumentataion is equipped in the artificial gaging hole, and the artificial gaging hole is equipped with cable
The transmission cable of waterproof connector (9), pressure instrumentataion is connected by Waterproof connector of cable (9) with external equipment.
2. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture according to claim 1 in situ, it is characterised in that: described
Lower flange (7) is welded at pressure-measuring pipe (6) upper opening.
3. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture according to claim 1 in situ, it is characterised in that: described
Upper flange plate (8) and lower flange (7) are connected by flange bolt (4).
4. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture according to claim 1 in situ, it is characterised in that: described
Through hole is uniformly arranged, and the through hole is a pressure gauge gaging hole (5) and two artificial gaging holes.
5. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture according to claim 1 in situ, it is characterised in that: described
Valve (10) is spherical valve.
6. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture according to claim 1 in situ, it is characterised in that: the electricity
Cable waterproof connector (9) is gland head.
7. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture according to claim 1 in situ, it is characterised in that: described
Pressure instrumentataion is water-level gauge or osmometer.
8. pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture according to claim 1 in situ, it is characterised in that: described
Pressure-measuring pipe (6) lower opening connects pvc pipe or metal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166664.5U CN208366527U (en) | 2018-07-23 | 2018-07-23 | Pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166664.5U CN208366527U (en) | 2018-07-23 | 2018-07-23 | Pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366527U true CN208366527U (en) | 2019-01-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821166664.5U Active CN208366527U (en) | 2018-07-23 | 2018-07-23 | Pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ |
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| CN (1) | CN208366527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871667A (en) * | 2018-07-23 | 2018-11-23 | 中国水利水电第七工程局有限公司 | Pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ |
-
2018
- 2018-07-23 CN CN201821166664.5U patent/CN208366527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871667A (en) * | 2018-07-23 | 2018-11-23 | 中国水利水电第七工程局有限公司 | Pressure and pressure value calibrating installation are surveyed in pressure-measuring pipe aperture in situ |
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