CN219452128U - Hydraulic supercharging device for coal mine - Google Patents
Hydraulic supercharging device for coal mine Download PDFInfo
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- CN219452128U CN219452128U CN202222087290.0U CN202222087290U CN219452128U CN 219452128 U CN219452128 U CN 219452128U CN 202222087290 U CN202222087290 U CN 202222087290U CN 219452128 U CN219452128 U CN 219452128U
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Abstract
The utility model provides a hydraulic pressurizing device for a coal mine, which belongs to the technical field of supporting upright post equipment for the coal mine, and comprises a bottom plate, upright posts and a cross beam, wherein a first hydraulic jack is arranged on the bottom plate, a second hydraulic jack is arranged on the cross beam, the side wall of the first hydraulic jack is communicated with a first liquid supply pipeline and a second liquid supply pipeline through a three-way valve, the second hydraulic jack is communicated with the other end of the second liquid supply pipeline through a three-way valve, liquid is supplied to the first hydraulic jack and the second hydraulic jack through the first liquid supply pipeline through an external emulsifying pump, after the set pressure of the emulsifying pump is reached, the first hydraulic jack pushes the second hydraulic jack to continuously pressurize, the pressure can only be increased to a pressure testing device connected with a liquid outlet pipeline through a first one-way valve and a second one-way valve, the purpose of pressurizing is achieved, the pressure can be increased by 3 times according to the cylinder diameter ratio, and the purpose of reducing investment cost and meeting production needs is achieved.
Description
Technical Field
The utility model belongs to the technical field of supporting upright post equipment for coal mines, and particularly relates to a hydraulic supercharging device for a coal mine.
Background
The safety pressure of the upright post of the hydraulic support used under the coal mine is generally 31.5MPa, and the hydraulic support can be used in the coal mine after being damaged and being repaired when the hydraulic support is required to be lifted up, and the hydraulic support is tested to be qualified. However, during the test, a 75kW emulsion pump is required to be installed on the well, the supply pressure can reach 31.5MPa, and the pressure of the emulsion pump is required to be adjusted downwards when other low-pressure supporting materials (such as single supporting columns) are required to be tested, so that the electric power is wasted, the work efficiency is reduced, and the equipment cost is increased.
Disclosure of Invention
The utility model aims to provide a hydraulic supercharging device for a coal mine, so as to make up the defects, and aims to effectively solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the hydraulic supercharging device for the coal mine comprises a bottom plate, wherein a pair of upright posts are vertically arranged on the bottom plate, a cross beam is horizontally arranged between the pair of upright posts, a first hydraulic jack is arranged on the bottom plate, a second hydraulic jack is arranged on the cross beam, a double-cross connector is connected between the movable end of the first hydraulic jack and the movable end of the second hydraulic jack, a liquid inlet is formed in the side wall of the first hydraulic jack, the liquid inlet is communicated with a first liquid supply pipeline and a second liquid supply pipeline through a three-way valve, and the second hydraulic jack is communicated with the other end of the second liquid supply pipeline through a three-way valve;
the cross beam is provided with a four-way joint, a liquid outlet pipeline is communicated with the four-way joint, liquid is supplied to the first hydraulic jack and the second hydraulic jack through a first liquid supply pipeline by an external emulsion pump, the first hydraulic jack pushes the second hydraulic jack to continuously boost pressure after the set pressure of the emulsion pump is reached, the pressure can only be increased to pressure testing equipment connected with the liquid outlet pipeline through a first one-way valve and a second one-way valve, the purpose of boosting the pressure is achieved, the pressure can be increased by 3 times according to the cylinder diameter proportion, and therefore the purposes of reducing investment cost and meeting production requirements are achieved.
As one preferable mode of the utility model, the first one-way valve is arranged on the second liquid supply pipeline, and the second one-way valve is arranged on the three-way valve connected with the second hydraulic jack.
Preferably, the four-way joint is also connected with a pressure gauge and a safety valve.
As one preferable mode of the utility model, the base plate is provided with the fixing seat, the first hydraulic jack is arranged in the fixing seat, a notch is formed in the fixing seat, the first hydraulic jack is provided with the pressure relief opening, and the pressure relief opening is positioned at the notch.
As a preferable mode of the utility model, the liquid outlet pipeline is provided with a high-pressure ball valve.
Preferably, the triangular plates are arranged on a common vertical plane of the upright posts and the bottom plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the external emulsion pump supplies liquid to the first hydraulic jack and the second hydraulic jack through the first liquid supply pipeline, so that after the set pressure of the emulsion pump is reached, the first hydraulic jack pushes the second hydraulic jack to continuously boost pressure, the pressure can only be increased to the pressure test equipment connected with the liquid outlet pipeline through the first one-way valve and the second one-way valve, the purpose of boosting pressure is achieved, the pressure can be increased by 3 times according to the cylinder diameter proportion, and the purposes of reducing investment cost and meeting production requirements are achieved.
2. For safety, the four-way connector is provided with the pressure gauge and the safety valve, and when the set pressure of the safety valve is reached, the safety valve is automatically opened and relieved, so that safety is ensured.
Description of the drawings:
the accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;
fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to the present utility model.
In the figure: 1. a bottom plate; 2. a column; 3. a cross beam; 4. a first hydraulic jack; 401. a liquid inlet; 402. a pressure relief port; 5. a second hydraulic jack; 6. double cross connectors; 7. a first liquid supply line; 8. a second liquid supply line; 9. a four-way joint; 10. a liquid outlet pipeline; 11. a first one-way valve; 12. a second one-way valve; 13. a pressure gauge; 14. a safety valve; 15. a fixing seat; 1501. a notch; 16. a high pressure ball valve; 17. triangle.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-3, the present utility model provides the following technical solutions: the hydraulic supercharging device for the coal mine comprises a bottom plate 1, wherein a pair of upright posts 2 are vertically arranged on the bottom plate 1, a cross beam 3 is horizontally arranged between the pair of upright posts 2, a first hydraulic jack 4 is arranged on the bottom plate 1, a second hydraulic jack 5 is arranged on the cross beam 3, the cylinder diameter ratio of the first hydraulic jack 4 to the second hydraulic jack 5 is 3:1, a double-cross connector 6 is connected between the movable end of the first hydraulic jack 4 and the movable end of the second hydraulic jack 5, a liquid inlet 401 is arranged on the side wall of the first hydraulic jack 4, the liquid inlet 401 is communicated with a first liquid supply pipeline 7 and a second liquid supply pipeline 8 through a three-way valve, the arranged first liquid supply pipeline 7 is externally connected with a 37kW emulsion pump, and the second hydraulic jack 5 is communicated with the other end of the second liquid supply pipeline 8 through the three-way valve;
the cross beam 3 is provided with a four-way joint 9, a liquid outlet pipeline 10 is communicated with the four-way joint 9, an emulsion pump supplies liquid to the first hydraulic jack 4 and the second hydraulic jack 5 through the first liquid supply pipeline 7, the first hydraulic jack 4 pushes the second hydraulic jack 5 to continuously boost pressure after the set pressure of the emulsion pump is reached, the purpose of boosting the pressure is achieved, the pressure can be increased by 3 times according to the cylinder diameter proportion, the power consumption is reduced, and the labor efficiency is increased.
Specifically, referring to fig. 1, a first check valve 11 is installed on the second liquid supply pipeline 8, a second check valve 12 is installed on the three-way valve connected to the second hydraulic jack 5, and when the first hydraulic jack 4 pushes the second hydraulic jack 5 to continue pressurizing again, the pressure can only be increased to the pressure testing device connected to the liquid outlet pipeline 10 through the first check valve 11 and the second check valve 12, so that the purpose of pressurizing is achieved.
Specifically, referring to fig. 3, for safety, the four-way connector 9 is provided with a pressure gauge 13 and a safety valve 14, and when the set pressure of the safety valve 14 is reached, the safety valve 14 is automatically opened and relieved, so that safety is ensured, and the four-way connector 9 is also connected with the pressure gauge 13 and the safety valve 14.
Specifically, referring to fig. 2, a fixing seat 15 is installed on the base plate 1, the first hydraulic jack 4 is installed in the fixing seat 15, a notch 1501 is formed in the fixing seat 15, a pressure relief opening 402 is formed in the first hydraulic jack 4, the pressure relief opening 402 is located at the notch 1501, the pressure relief opening 402 is arranged outside, and the worker can regularly care and maintain conveniently.
Specifically, referring to fig. 1, a high-pressure ball valve 16 is installed on the liquid outlet pipe 10 to facilitate control of the liquid supply flow rate.
Specifically, referring to fig. 1, in order to enhance stability of the device, a triangular plate 17 is mounted on a common vertical plane of the upright post 2 and the bottom plate 1, and functions as a reinforcing rib.
The working principle and the using flow of the utility model are as follows:
when the pressure is increased, the external emulsion pump supplies liquid to the first hydraulic jack 4 and the second hydraulic jack 5 through the first liquid supply pipeline 7, the first hydraulic jack 4 pushes the second hydraulic jack 5 to continuously increase the pressure after the set pressure of the emulsion pump is reached, the pressure can only be increased to the pressure test equipment connected with the liquid outlet pipeline 10 through the first one-way valve 11 and the second one-way valve 12, the purpose of increasing the pressure is achieved, the pressure can be increased by 3 times according to the cylinder diameter proportion, the pressure gauge 13 and the safety valve 14 are arranged for safety, and when the set pressure of the safety valve 14 is reached, the safety valve 14 is automatically opened and relieved, so that the safety is ensured, the power consumption is reduced, and the labor efficiency is increased.
Finally, it should be noted that: the above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a colliery is with hydraulic supercharging device, includes bottom plate (1), install a pair of stand (2) perpendicularly on bottom plate (1), a pair of horizontal installation has crossbeam (3), its characterized in that between stand (2): the hydraulic lifting device is characterized in that a first hydraulic jack (4) is arranged on the bottom plate (1), a second hydraulic jack (5) is arranged on the cross beam (3), a double-cross connector (6) is connected between the movable end of the first hydraulic jack (4) and the movable end of the second hydraulic jack (5), a liquid inlet (401) is formed in the side wall of the first hydraulic jack (4), the liquid inlet (401) is communicated with a first liquid supply pipeline (7) and a second liquid supply pipeline (8) through three-way valves, and the second hydraulic jack (5) is communicated with the other end of the second liquid supply pipeline (8) through three-way valves; the cross beam (3) is provided with a four-way joint (9), and the four-way joint (9) is communicated with a liquid outlet pipeline (10).
2. The hydraulic supercharging device for coal mine as claimed in claim 1, wherein: the first one-way valve (11) is arranged on the second liquid supply pipeline (8), and the second one-way valve (12) is arranged on the three-way valve connected with the second hydraulic jack (5).
3. The hydraulic supercharging device for coal mine as claimed in claim 1, wherein: the four-way joint (9) is also connected with a pressure gauge (13) and a safety valve (14).
4. The hydraulic supercharging device for coal mine as claimed in claim 1, wherein: install fixing base (15) on bottom plate (1), first hydraulic jack (4) are installed in fixing base (15), set up breach (1501) in fixing base (15), be provided with pressure release mouth (402) on first hydraulic jack (4), pressure release mouth (402) are located breach (1501) department.
5. The hydraulic supercharging device for coal mine as claimed in claim 1, wherein: the liquid outlet pipeline (10) is provided with a high-pressure ball valve (16).
6. The hydraulic supercharging device for coal mine as claimed in claim 1, wherein: and a triangular plate (17) is arranged on a common vertical plane of the upright post (2) and the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087290.0U CN219452128U (en) | 2022-08-09 | 2022-08-09 | Hydraulic supercharging device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087290.0U CN219452128U (en) | 2022-08-09 | 2022-08-09 | Hydraulic supercharging device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219452128U true CN219452128U (en) | 2023-08-01 |
Family
ID=87387990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222087290.0U Active CN219452128U (en) | 2022-08-09 | 2022-08-09 | Hydraulic supercharging device for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219452128U (en) |
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2022
- 2022-08-09 CN CN202222087290.0U patent/CN219452128U/en active Active
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