CN212331578U - Downhole vulcanizer pressurization and pressure keeping device - Google Patents
Downhole vulcanizer pressurization and pressure keeping device Download PDFInfo
- Publication number
- CN212331578U CN212331578U CN202021294608.7U CN202021294608U CN212331578U CN 212331578 U CN212331578 U CN 212331578U CN 202021294608 U CN202021294608 U CN 202021294608U CN 212331578 U CN212331578 U CN 212331578U
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- Prior art keywords
- pressure
- valve
- water inlet
- water
- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract 2
- 239000003245 coal Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012354 overpressurization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
本实用新型涉及一种井下硫化器加压保压装置。现有井下硫化器调压、保压不方便。为此，本井下硫化器加压保压装置包括压力包、进水管、进水阀、回水管、回水阀、压力表、第二进水阀、前阀、后阀和阶梯活塞压力调节机构，第二进水阀设置在进水阀与回水管之间的进水管上，阶梯活塞压力调节机构包括壳体和阶梯活塞杆，其中阶梯活塞杆包括粗圆柱体和细圆柱体，二者的横截面面积之比等于4︰1.8，阶梯活塞杆就设置在壳体内，粗圆柱腔外端的壳体侧壁和细圆柱腔外端的壳体侧壁上分别开有接口，并分别与第二进水阀前后的进水管相通，粗、细圆柱体上设有O型密封圈。本实用新型调压、保压方便，适合为煤矿井下硫化器加压、保压。
The utility model relates to a pressure maintaining device for a downhole vulcanizer. The existing downhole vulcanizer is inconvenient for pressure regulation and pressure maintenance. To this end, the pressure and pressure maintaining device of the downhole vulcanizer includes a pressure pack, a water inlet pipe, a water inlet valve, a water return pipe, a water return valve, a pressure gauge, a second water inlet valve, a front valve, a rear valve and a stepped piston pressure regulating mechanism , the second water inlet valve is arranged on the water inlet pipe between the water inlet valve and the water return pipe, the stepped piston pressure regulating mechanism includes a casing and a stepped piston rod, wherein the stepped piston rod includes a thick cylinder and a thin cylinder, and the two The ratio of the cross-sectional area is equal to 4:1.8, the stepped piston rod is arranged in the casing, the casing side wall of the outer end of the thick cylindrical cavity and the casing side wall of the outer end of the thin cylindrical cavity are respectively provided with interfaces, which are respectively connected with the second inlet. The water inlet pipes before and after the water valve communicate with each other, and the thick and thin cylinders are provided with O-rings. The utility model is convenient for pressure regulation and pressure maintenance, and is suitable for pressurizing and maintaining pressure for the coal mine underground vulcanizer.
Description
Technical Field
The utility model relates to a vulcanizer pressurization pressurizer in pit.
Background
Various underground equipment needs to be pressurized, such as a hydraulic prop, a vulcanizer, a hydraulic clamp and the like, the traditional pressurization mode is electric pressurization, a switch and a cable are used for supplying power to a pump station, and the pump station is used for pressurizing the equipment needing to be pressurized. The pressurizing link is complex, the equipment and electric energy investment is more, and the cost needs to include working hours and expenses of pump stations, switches, cables, electric energy, personnel installation and the like. Meanwhile, the electric energy is used, so that the potential danger of electric shock of personnel is avoided, the pressure of a pump station is not easy to adjust, and the potential danger that the personnel are injured due to the fact that the pipeline collapses and bounces can occur in the case of overlarge pressure.
Published in 2017, 03, and 22, and publication numbers are as follows: CN 206030332U Chinese utility model discloses a static pressure device for vulcanizing a steel wire rope core rubber belt joint, which is characterized in that a pressure bag is connected with a water inlet pipe, and the water inlet pipe is communicated with an underground dustproof water pipe; a first valve, a first tee joint, a second tee joint and a water pressure gauge are sequentially arranged on the water inlet pipe from the water inlet of the water inlet pipe; the first tee joint is connected with a second valve, and the second valve is connected with a water return pipe; and a third valve is connected through a second tee joint and is provided with a safety valve, and the pressure of the safety valve is adjusted to be the pressure when the joint of the steel wire rope core rubber belt is vulcanized.
The utility model has certain progress, but still has the following problems:
1. after the first valve is opened, the pressure bag is communicated with a 4 MPa high-pressure water source commonly used in the well, attention must be paid to the water pressure gauge all the time, when the water pressure gauge reaches 1.8 MPa, the first valve is closed in time, otherwise, the pressure bag can continuously pressurize until the safety valve jumps.
2. In the vulcanization process, attention must be paid to the indication of the water pressure gauge at any time, when the pressure is reduced, the first valve needs to be opened again to pressurize the pressure bag, otherwise, the pressure is unstable, so that the rubber in the pressure bag flows unsmoothly, air gaps are generated on the local part of the adhesive tape, and the quality of the vulcanized adhesive tape is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to overcome prior art's defect, provide an underground vulcanizer pressurization pressurizer convenient to pressure regulating, pressurize.
In order to solve the technical problem, the pressurizing and pressure maintaining device of the underground vulcanizer comprises a pressure bag, a water inlet pipe, a water inlet valve, a water return pipe, a water return valve and a pressure gauge, wherein one end of the water inlet pipe is communicated with the pressure bag, the other end of the water inlet pipe is communicated with a 4 MPa high-pressure water source commonly used underground, the water inlet valve is arranged on the water inlet pipe, the water return pipe is communicated with the water inlet pipe at the downstream of the water inlet valve, the water return valve is arranged on the water return pipe, and the pressure gauge is communicated with the water: the water inlet valve is arranged on a water inlet pipe between the water inlet valve and the water return pipe, the stepped piston pressure adjusting mechanism comprises a shell and a stepped piston rod, the stepped piston rod comprises a thick cylinder and a thin cylinder which are coaxially and fixedly connected, the ratio of the cross section areas of the thick cylinder and the thin cylinder is equal to 4: 1.8, a thick cylinder cavity and a thin cylinder cavity are arranged in the shell, the inner ends of the thick cylinder cavity and the thin cylinder cavity are communicated, the central lines of the thick cylinder cavity and the thin cylinder cavity coincide, the stepped piston rod is arranged in the shell, the shell side wall at the outer end of the thick cylinder cavity and the shell side wall at the outer end of the thin cylinder cavity are respectively provided with an interface, the interface of the thick cylinder cavity is communicated with the water inlet pipe between the second water inlet valve and the water return pipe through the rear valve and a matched pipeline and a tee joint, the interface of the thin cylinder cavity is communicated with the water inlet pipe between the second water inlet valve and the water inlet valve through the, annular caulking grooves are formed in the thick cylinder body and the thin cylinder body respectively, and O-shaped sealing rings are arranged in the annular caulking grooves.
By the design, the pressure in the pressure bag can be maintained at 1.8 MPa, and the vulcanization quality of the adhesive tape is effectively ensured.
Preferably, a branch pipe is further arranged on the water inlet pipe at the downstream of the water return pipe, a valve is arranged on the branch pipe, the outer end of the branch pipe is communicated with a safety valve, and the tripping pressure of the safety valve is 2.0 MPa. By such design, the faults such as deformation of the pressure bag caused by over pressurization can be prevented.
The utility model discloses pressurization, pressure regulating, pressurize method of vulcanizer pressurization pressurizer in pit, including following step:
pressurizing: firstly, ensuring that the front valve, the rear valve and the water return valve are in a closed state, then opening the second water inlet valve, and then slowly opening the water inlet valve, so that water can be injected into the pressure bag for pressurization;
regulating pressure: when the pressure gauge displays that the internal pressure of the pressure bag reaches 1.9 MPa, the second water inlet valve is closed, the front valve and the rear valve are opened, the stepped piston rod moves towards the thin cylindrical cavity, the liquid in the pressure bag is reduced, and the pressure in the pressure bag is reduced and kept at 1.8 MPa;
pressure maintaining: when the pressure of the pressure package drops, the stepped piston rod moves towards the thick cylindrical cavity to supplement liquid into the pressure package, so that the pressure in the pressure package rises and is kept at 1.8 MPa.
The utility model discloses vulcanizer pressurization pressurizer in pit simple structure, pressurization, pressurize effectual, convenient to use are fit for being the pressurization of colliery vulcanizer in the pit, pressurize.
Drawings
The utility model discloses vulcanize ware pressurization pressurizer in pit is explained further below with the accompanying drawing:
FIG. 1 is a schematic structural diagram of the pressurizing and pressure maintaining device of the downhole vulcanizer (the stepped piston pressure adjusting mechanism is sectioned along a vertical bisection plane).
In the figure: 1 is a pressure bag, 2 is a water inlet pipe, 3 is a water inlet valve, 4 is a water return pipe, 5 is a water return valve, 6 is a pressure gauge, 7 is a second water inlet valve, 8 is a front valve, 9 is a rear valve, 10 is a shell, 101 is a thick cylindrical cavity, 102 is a thin cylindrical cavity, 11 is a thick cylindrical body, 12 is a thin cylindrical body, 13 is a connector, 14 is a matched pipeline, 15 is a tee joint, 16 is an O-shaped sealing ring, 17 is a branch pipe, 18 is a valve, and 19 is a safety valve.
Detailed Description
The first implementation mode comprises the following steps: as shown in fig. 1, the pressure maintaining device of the underground vulcanizer comprises a pressure bag 1, a water inlet pipe 2, a water inlet valve 3, a water return pipe 4, a water return valve 5 and a pressure gauge 6, wherein one end of the water inlet pipe 2 is communicated with the pressure bag 1, the other end of the water inlet pipe 2 is communicated with a 4 mpa high-pressure water source (not shown in the figure) commonly used underground, the water inlet valve 3 is arranged on the water inlet pipe 2, the water return pipe 4 is communicated with the water inlet pipe 2 at the downstream of the water inlet valve 3, the water return valve 5 is arranged on the water return pipe 4, and the pressure gauge 6 is communicated with the water: the water inlet valve is characterized by further comprising a second water inlet valve 7, a front valve 8, a rear valve 9 and a stepped piston pressure adjusting mechanism, wherein the second water inlet valve 7 is arranged on the water inlet pipe 2 between the water inlet valve 3 and the water return pipe 4, the stepped piston pressure adjusting mechanism comprises a shell 10 and a stepped piston rod, the stepped piston rod comprises a thick cylinder 11 and a thin cylinder 12, the thick cylinder 11 and the thin cylinder 12 are coaxially and fixedly connected, the cross-sectional area ratio of the thick cylinder to the thin cylinder is equal to 4: 1.8, a thick cylinder cavity 101 and a thin cylinder cavity 102 are arranged in the shell 10, the inner ends of the thick cylinder cavity and the inner ends of the thin cylinder cavity are communicated, the central lines of the thick cylinder cavity and the thin cylinder cavity are overlapped, the interface 13 of the thick cylinder cavity is respectively arranged on the shell side wall at the outer end of the thick cylinder cavity and the shell side wall at the outer end of the thin cylinder cavity, the interface 13 of the thick cylinder cavity 101 is communicated with the water inlet pipe 2 between the second water inlet valve 7 and the water return pipe 5 through the And the water inlet pipe 2 is communicated with the water inlet valve 3, the thick cylinder 11 and the thin cylinder 12 are respectively provided with an annular caulking groove, and an O-shaped sealing ring 16 is arranged in the annular caulking groove.
A branch pipe 17 is arranged on the water inlet pipe 2 at the downstream of the water return pipe 5, a valve 18 is arranged on the branch pipe 17, the outer end of the branch pipe 17 is communicated with a safety valve 19, and the tripping pressure of the safety valve 19 is 2.0 MPa.
Embodiment one the pressurization, pressure regulation, pressurize method of pressurizer of the underground vulcanizer, including the following steps:
pressurizing: the front valve 8, the rear valve 9 and the water return valve 5 are ensured to be in a closed state, then the second water inlet valve 7 is opened, then the water inlet valve 3 is opened slowly, and water is injected into the pressure bag 1 for pressurization.
Regulating pressure: when the pressure gauge 6 displays that the internal pressure of the pressure pack 1 reaches 1.9 MPa, the second water inlet valve 7 is closed, the front valve 8 and the rear valve 9 are opened, the stepped piston rod moves towards the thin cylindrical cavity 102 (moves to the right in the view of figure 1), the liquid in the pressure pack 1 is reduced, and the internal pressure of the pressure pack 1 is reduced and kept at 1.8 MPa, so that the pressure pack is very convenient. This takes full advantage of the downhole stable source of high pressure water at 4 mpa.
Pressure maintaining: when the pressure of the pressure package 1 drops, the stepped piston rod automatically moves towards the thick cylindrical cavity 101 (moves to the left in the view of figure 1), and liquid is supplemented into the pressure package 1, so that the pressure in the pressure package 1 rises and is kept at 1.8 MPa.
Note: the pressure unit of the patent is megapascal, actually pressure intensity, and is called pressure according to industrial habits.
Claims (2)
1. The utility model provides an underground vulcanizer pressurization pressurizer, includes pressure package, inlet tube, water intaking valve, wet return and manometer, and inlet tube one end communicates with each other with the pressure package, and the other end communicates with each other with 4 megapascal high pressure water sources commonly used in the pit, the water intaking valve sets up on the inlet tube, the wet return communicates with each other with the inlet tube of water intaking valve low reaches, the wet return sets up on the wet return, the manometer communicates with each other with the inlet tube of wet return low reaches, its characterized in that: the water inlet valve is arranged on a water inlet pipe between the water inlet valve and the water return pipe, the stepped piston pressure adjusting mechanism comprises a shell and a stepped piston rod, the stepped piston rod comprises a thick cylinder and a thin cylinder which are coaxially and fixedly connected, the ratio of the cross section areas of the thick cylinder and the thin cylinder is equal to 4: 1.8, a thick cylinder cavity and a thin cylinder cavity are arranged in the shell, the inner ends of the thick cylinder cavity and the thin cylinder cavity are communicated, the central lines of the thick cylinder cavity and the thin cylinder cavity coincide, the stepped piston rod is arranged in the shell, the shell side wall at the outer end of the thick cylinder cavity and the shell side wall at the outer end of the thin cylinder cavity are respectively provided with an interface, the interface of the thick cylinder cavity is communicated with the water inlet pipe between the second water inlet valve and the water return pipe through the rear valve and a matched pipeline and a tee joint, the interface of the thin cylinder cavity is communicated with the water inlet pipe between the second water inlet valve and the water inlet valve through the, annular caulking grooves are formed in the thick cylinder body and the thin cylinder body respectively, and O-shaped sealing rings are arranged in the annular caulking grooves.
2. The downhole vulcanizer pressurizing and pressure maintaining device of claim 1, wherein: a branch pipe is arranged on the water inlet pipe at the downstream of the water return pipe, a valve is arranged on the branch pipe, the outer end of the branch pipe is communicated with a safety valve, and the take-off pressure of the safety valve is 2.0 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294608.7U CN212331578U (en) | 2020-07-03 | 2020-07-03 | Downhole vulcanizer pressurization and pressure keeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294608.7U CN212331578U (en) | 2020-07-03 | 2020-07-03 | Downhole vulcanizer pressurization and pressure keeping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212331578U true CN212331578U (en) | 2021-01-12 |
Family
ID=74080550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021294608.7U Withdrawn - After Issue CN212331578U (en) | 2020-07-03 | 2020-07-03 | Downhole vulcanizer pressurization and pressure keeping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212331578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730788A (en) * | 2020-07-03 | 2020-10-02 | 兖州煤业股份有限公司 | Downhole vulcanizer pressurizing and maintaining device and method for pressurizing, regulating and maintaining pressure |
-
2020
- 2020-07-03 CN CN202021294608.7U patent/CN212331578U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730788A (en) * | 2020-07-03 | 2020-10-02 | 兖州煤业股份有限公司 | Downhole vulcanizer pressurizing and maintaining device and method for pressurizing, regulating and maintaining pressure |
| CN111730788B (en) * | 2020-07-03 | 2025-02-11 | 兖矿能源集团股份有限公司 | Downhole vulcanizer pressurizing and maintaining device and pressurizing, regulating and maintaining method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210112 Effective date of abandoning: 20250211 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210112 Effective date of abandoning: 20250211 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |