CN219911332U - Pressure supplementing and exhausting device of hydraulic unit of pipeline pressure monitoring valve - Google Patents
Pressure supplementing and exhausting device of hydraulic unit of pipeline pressure monitoring valve Download PDFInfo
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- CN219911332U CN219911332U CN202320948839.2U CN202320948839U CN219911332U CN 219911332 U CN219911332 U CN 219911332U CN 202320948839 U CN202320948839 U CN 202320948839U CN 219911332 U CN219911332 U CN 219911332U
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- pipeline
- pressure measuring
- measuring cylinder
- hydraulic unit
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 26
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a pressure supplementing and exhausting device of a pipeline pressure monitoring valve hydraulic unit, which is characterized in that: the top end of the pressure measuring cylinder is provided with a common pressure gauge, and the four sides of the pressure measuring cylinder are respectively provided with a hand pump, a needle valve, a pressure sensor interface and a safety valve. The beneficial effects of the utility model are as follows: the pressure supplementing and exhausting device of the pipeline pressure monitoring valve hydraulic unit is characterized in that a hand pump, an oil tank, a needle valve and other members are additionally arranged on the basis of a pressure measuring oil cylinder, so that the pressure monitoring equipment can be manually supplemented and maintained on site. Compared with the traditional oil return circuit breaker, the oil return circuit breaker reduces the pipeline arrangement, so that the structure configuration is simpler, the failure rate is lower, the production cost is reduced, and the production safety is ensured.
Description
Technical Field
The utility model relates to a pressure supplementing and exhausting device of a pipeline pressure monitoring valve hydraulic unit, in particular to a pressure supplementing and exhausting device of a pipeline pressure monitoring valve hydraulic unit in the technical field of mine filling pipeline pressure monitoring.
Background
In the mine filling industry, pipeline pressure is an important technical index parameter, and has very important reference value for filling safety measures.
The load carrying capacity of the filling pipeline can be indirectly reflected by the data of pipeline pressure monitoring. The pressure is too high, and risks of pipe blockage and equipment failure can exist; the pressure is too low, the condition that the upstream is possibly not full of pipes and the like can be achieved, the operation parameters of the filling system can be timely adjusted according to the pressure parameters, the pipeline conveying capacity is improved to the maximum extent, and the working efficiency is improved.
At present, a diaphragm type pressure gauge is mainly adopted in conventional pipeline pressure monitoring, but errors exist in detection of pasty fluid delivery; the part also adopts a hydraulic cylinder piston rod type pressure gauge, but due to sealing reasons, air and oil leakage sometimes mix in a cylinder body, and the data accuracy is affected, so that the pressure measuring cylinder is mostly provided with an oil return circuit breaking valve for pressure compensation, but the pipeline arrangement is more.
Disclosure of Invention
The utility model provides a pressure supplementing and exhausting device of a pipeline pressure monitoring valve hydraulic unit, which aims to make up the defects in the prior art.
The utility model is realized by the following technical scheme:
the utility model provides a pipeline pressure monitoring valve hydraulic unit's pressure compensation and exhaust apparatus which characterized in that: the top end of the pressure measuring cylinder is provided with a common pressure gauge, and the four sides of the pressure measuring cylinder are respectively provided with a hand pump, a needle valve, a pressure sensor interface and a safety valve.
A liquid supplementing oil tank is arranged between the hand pump and the pressure measuring oil cylinder, and the hand pump and the oil tank mainly play a role in carrying out initial pressure supplementing and liquid supplementing on the pressure measuring oil cylinder.
The pressure sensor interface can be connected with an electronic pressure sensor, can remotely monitor pressure data, realizes transmission of pipeline pressure data, and is convenient for automatic integrated control.
And an opening is formed in the upper part of the pipeline, a pressure measuring cylinder fixing seat is welded at the opening, the pressure measuring cylinder is fixedly arranged on the pressure measuring cylinder fixing seat so as to be fixed on the pipeline, a piston rod of the pressure measuring cylinder is communicated into the pipeline, the piston rod is pressed when fluid flows through, and the pipeline pressure is displayed through a pressure gauge arranged at the top end of the pressure measuring cylinder.
The hand pump and the oil tank mainly play a role in carrying out initial pressure and liquid compensation on the pressure measuring oil cylinder; the needle valve can adjust the initial pressure, can empty air mixed in the oil cylinder and the like, and ensures the accuracy of monitoring data; the safety valve can ensure the initial pressure of the pressure measuring cylinder and simultaneously prevent the pressure overload of the pressure measuring cylinder caused by equipment failure;
the beneficial effects of the utility model are as follows: the pressure supplementing and exhausting device of the pipeline pressure monitoring valve hydraulic unit is characterized in that a hand pump, an oil tank, a needle valve and other members are additionally arranged on the basis of a pressure measuring oil cylinder, so that the pressure monitoring equipment can be manually supplemented and maintained on site. Compared with the traditional oil return circuit breaker, the oil return circuit breaker reduces the pipeline arrangement, so that the structure configuration is simpler, the failure rate is lower, the production cost is reduced, and the production safety is ensured.
Drawings
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is an isometric view of the present utility model;
fig. 4 is a schematic cross-sectional view of the present utility model.
In the figure, 1, a pressure measuring cylinder, 2, a pressure gauge, 3, an oil tank, 4, a hand pump, 5, a needle valve, 6, a safety valve, 7, a pressure sensor interface, 8, a pipeline, 9 and a pressure measuring cylinder fixing seat.
Detailed Description
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Fig. 1-4 show a specific embodiment of the present utility model, which is a pressure supplementing and exhausting device of a hydraulic unit of a pipeline pressure monitoring valve, and as shown in the figure, the mechanism comprises a pressure measuring cylinder 1, a pressure gauge 2, an oil tank 3, a hand pump 4, a needle valve 5, a safety valve 6, a pressure sensor interface 7, a pipeline 8 and a pressure measuring cylinder fixing seat 9.
The pressure compensating and exhausting device of the pipeline pressure monitoring valve hydraulic unit is characterized in that a common pressure gauge 2 is arranged at the top end of a pressure measuring cylinder 1, and a hand pump 4, a needle valve 5, a pressure sensor interface 7 and a safety valve 6 are respectively arranged on four sides of the pressure measuring cylinder.
A liquid supplementing oil tank is arranged between the hand pump and the pressure measuring oil cylinder, and the hand pump and the oil tank mainly play a role in carrying out initial pressure supplementing and liquid supplementing on the pressure measuring oil cylinder.
The pressure sensor interface 7 can be connected with an electronic pressure sensor, can remotely monitor pressure data, realizes transmission of pipeline pressure data, and is convenient for automatic integrated control.
The pressure measuring cylinder is characterized in that an opening is formed in the upper portion of the pipeline 8, a pressure measuring cylinder fixing seat 9 is welded at the opening, the pressure measuring cylinder 1 is fixedly arranged on the pressure measuring cylinder fixing seat and is fixed on the pipeline, a piston rod of the pressure measuring cylinder is communicated into the pipeline, the piston rod is pressed when fluid flows through the pipeline, and the pipeline pressure is displayed through a pressure gauge arranged at the top end of the pressure measuring cylinder.
The pressure measuring cylinder is a square cylinder, and different components, namely a hand pump 4, a needle valve 5, a pressure sensor interface 7 and a safety valve 6 are arranged on four surfaces of the square cylinder.
After the installation is finished, hydraulic oil is injected into the side oil filling hole of the fluid filling oil tank 3, the pressure measuring oil cylinder 1 is subjected to initial pressure filling through the hand pump 4, and the piston rod of the oil cylinder is pre-pressed, so that data monitoring is more accurate. The safety valve 6 can ensure the initial pressure of the pressure measuring cylinder 1 and simultaneously prevent the pressure overload condition of the pressure measuring cylinder 1 caused by equipment failure. After the pressure measuring cylinder is used or placed for a period of time, the compression ratio of air and hydraulic oil is different due to the fact that air is mixed in the cylinder, so that deviation occurs in the monitoring data, at the moment, the needle valve 5 is required to be opened to remove air in the pressure measuring cylinder 1, and then the pressure is compensated again through the liquid compensation oil tank 3 and the hand pump 4.
The pressure sensor interface 7 at one side of the pressure measuring cylinder 1 can be connected with an electronic pressure sensor, so that transmission of pipeline pressure data is realized, automatic integrated control is convenient, and pipeline filling safety is ensured.
According to the pressure supplementing and exhausting device of the pipeline pressure monitoring valve hydraulic unit, on the basis of a piston rod type pressure gauge of a hydraulic oil cylinder, components such as a hand pump, an oil tank, a needle valve and the like are added on the pressure measuring oil cylinder, so that air in the cylinder body can be timely exhausted, lost hydraulic oil in the cylinder body is supplemented, and pressure is pre-applied to a piston rod through the hand pump, so that the pressure monitoring numerical value is more accurate.
Claims (4)
1. The utility model provides a pipeline pressure monitoring valve hydraulic unit's pressure compensation and exhaust apparatus which characterized in that: the top end of the pressure measuring cylinder is provided with a pressure gauge, and four sides of the pressure measuring cylinder are respectively provided with a hand pump, a needle valve, a pressure sensor interface and a safety valve.
2. The pressure compensating and exhausting apparatus for a pipeline pressure monitoring valve hydraulic unit of claim 1, wherein: a liquid supplementing oil tank is arranged between the hand pump and the pressure measuring oil cylinder, and the hand pump and the oil tank perform the function of initially supplementing pressure and liquid to the pressure measuring oil cylinder.
3. The pressure compensating and exhausting apparatus for a pipeline pressure monitoring valve hydraulic unit of claim 1, wherein: the pressure sensor interface can be connected with an electronic pressure sensor, can remotely monitor pressure data, realizes transmission of pipeline pressure data, and is convenient for automatic integrated control.
4. The pressure compensating and exhausting apparatus for a pipeline pressure monitoring valve hydraulic unit of claim 1, wherein: and an opening is formed in the upper part of the pipeline, a pressure measuring cylinder fixing seat is welded at the opening, the pressure measuring cylinder is fixedly arranged on the pressure measuring cylinder fixing seat so as to be fixed on the pipeline, a piston rod of the pressure measuring cylinder is communicated into the pipeline, the piston rod is pressed when fluid flows through, and the pipeline pressure is displayed through a pressure gauge arranged at the top end of the pressure measuring cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320948839.2U CN219911332U (en) | 2023-04-25 | 2023-04-25 | Pressure supplementing and exhausting device of hydraulic unit of pipeline pressure monitoring valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320948839.2U CN219911332U (en) | 2023-04-25 | 2023-04-25 | Pressure supplementing and exhausting device of hydraulic unit of pipeline pressure monitoring valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911332U true CN219911332U (en) | 2023-10-27 |
Family
ID=88440299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320948839.2U Active CN219911332U (en) | 2023-04-25 | 2023-04-25 | Pressure supplementing and exhausting device of hydraulic unit of pipeline pressure monitoring valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911332U (en) |
-
2023
- 2023-04-25 CN CN202320948839.2U patent/CN219911332U/en active Active
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