CN209875193U - Novel hydraulic prop lifter - Google Patents
Novel hydraulic prop lifter Download PDFInfo
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- CN209875193U CN209875193U CN201920519444.4U CN201920519444U CN209875193U CN 209875193 U CN209875193 U CN 209875193U CN 201920519444 U CN201920519444 U CN 201920519444U CN 209875193 U CN209875193 U CN 209875193U
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Abstract
A novel hydraulic prop lifter comprises a mining stop valve, a manual reversing valve and a pressure cylinder; the pressure cylinder comprises a cylinder body and a piston rod, the piston rod is arranged in the cylinder body and divides the cylinder body into a cavity A, a cavity B, a cavity C, a cavity D, a cavity C1 and a cavity D1; the cavity C and the cavity C1 are respectively provided with a liquid inlet and a liquid outlet, after the liquid inlet and the liquid outlet of the cavity C are connected with a tee joint through a high-pressure rubber pipe, one end of the liquid inlet is connected with a liquid inlet of a one-way valve a, and the other end of the liquid inlet is connected with a liquid outlet of a one-way valve b; and after a liquid inlet and a liquid outlet of the C1 cavity are connected with a tee joint through a high-pressure rubber tube, one end of the liquid inlet and the liquid outlet of the C1 cavity is connected with a liquid outlet of a one-way valve C, the other end of the liquid inlet and the liquid outlet of the one-way valve d are connected together, and then the liquid outlet of the one-way valve a and the liquid outlet of the one-way valve d are connected with a. The utility model discloses the main function is with hydraulic jacking hydraulic prop, replaces the emulsion pump station, need not the power consumption, only needs the process water of certain pressure, and safe energy-conserving convenience.
Description
Technical Field
The utility model relates to a hydraulic power rises post ware, concretely relates to mining hydrostatic water power of improved generation rises post ware belongs to water hydraulic pressure machinery.
Background
Description of the background Art temporary support is an important link in the occasions of underground coal mine roadway maintenance, tunneling, corner coal mining, disaster rescue and fire relief, and the like, and the achievement of the temporary support is an important guarantee for realizing safety work. At present, a front canopy is generally adopted for temporary support of a coal mine, and the method has the defects of small bearing capacity, unfinished roof connection, low support strength and the like and is poor in safety. In order to improve the supporting effect, the single hydraulic prop is generally adopted to be used for temporary supporting at present, and the single hydraulic prop needs a hydraulic pump station to provide power for temporary supporting, so that the occupied space for installing the hydraulic pump station is large, time and labor are wasted, the cost is higher under the condition of temporary supporting, and the operation is inconvenient.
In addition, the existing hydraulic column lifting device has the defects of large water volume overflow, slow pressurization speed and more fault points with complex structure in the working process.
Disclosure of Invention
The weak point to above technique, the utility model provides a novel hydraulic power rises post ware, the main function is with hydraulic jacking hydraulic prop, replaces the emulsion pump station, and simple structure low in cost need not the power consumption, only needs the process water of certain pressure, and is safe energy-conserving convenient. And the pressurization speed is high, the water yield overflow is less, and the emulsion is automatically proportioned, stable and reliable.
The utility model discloses a realize with following technical scheme: a novel hydraulic prop lifter comprises a mining stop valve, a manual reversing valve and a pressure cylinder; the pressure cylinder comprises a cylinder body and a piston rod, the piston rod is arranged in the cylinder body and divides the cylinder body into a cavity A, a cavity B, a cavity C, a cavity D, a cavity C1 and a cavity D1; the cavity A and the cavity B are respectively provided with a pressure water inlet and a pressure water outlet and are respectively connected with a manual reversing valve through a high-pressure rubber pipe; the cavity C and the cavity C1 are respectively provided with a liquid inlet and a liquid outlet, after the liquid inlet and the liquid outlet of the cavity C are connected with a tee joint through a high-pressure rubber pipe, one end of the liquid inlet is connected with a liquid inlet of a one-way valve a, and the other end of the liquid inlet is connected with a liquid outlet of a one-way valve b; the liquid inlet and the liquid outlet of the C1 cavity are connected with a tee joint through a high-pressure rubber pipe, one end of the liquid inlet and the liquid outlet of the C1 cavity is connected with a liquid outlet of a one-way valve C, the other end of the liquid inlet and the liquid outlet of the one-way valve d, and the liquid outlet of the one-way valve a and the liquid outlet of the one-way valve d are connected together and then connected with a main output; the cavity D and the cavity D1 are respectively provided with an emulsified oil inlet and an emulsified oil outlet, after the emulsified oil inlet and the emulsified oil outlet of the cavity D are connected with a tee joint through a high-pressure rubber pipe, one end of the emulsified oil inlet and the emulsified oil outlet is connected with a liquid outlet of a check valve e, and the other end of the emulsified oil inlet and the emulsified oil outlet is connected with a liquid inlet of a check; an emulsified oil inlet and an emulsified oil outlet of the D1 cavity are connected with a tee joint through a high-pressure rubber pipe, one end of the emulsified oil inlet and the other end of the emulsified oil outlet are connected with a liquid inlet of a one-way valve g, and the other end of the emulsified oil inlet and the liquid outlet of the one-way valve h; the liquid inlet ends of the check valve e and the check valve h are respectively connected with the oil bag;
the mining stop valve is connected in three ways through a high-pressure rubber pipe provided with a filter: one path is connected with a one-way valve i and then connected with a liquid injection gun; one path is connected with a manual reversing valve; one path is connected with two tee joints, one end of one tee joint is connected with a liquid inlet of the one-way valve b, and the other end of the tee joint is connected with a liquid inlet of the one-way valve c; one end of the other tee joint is connected with a liquid outlet of the one-way valve f, and the other end of the other tee joint is connected with a liquid outlet of the one-way valve g;
the manual reversing valve is provided with an overflow port;
the front end of the liquid injection gun is provided with a safety valve.
The high-pressure water pressure meter is arranged on the main output pipe, and the low-pressure water pressure meter is arranged on the high-pressure rubber pipe which is provided with the filter and is connected with the tee joint.
The utility model discloses utilize pressure water jacking hydraulic prop, need not the power consumption, it is safe energy-conserving, and only have the water yield overflow at the pressure boost in-process, the water economy is extravagant, and manual control switching-over valve has improved pressure boost speed. The automatic proportioning system of the emulsion is improved, the structure is simplified, and the fault points are reduced.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
In the figure: 1. a mining stop valve, 2, a filter, 3, a tee joint, 4, a low-pressure water pressure gauge, 5, a manual reversing valve, 6, an overflow port, 7, a liquid injection gun, 8, a high-pressure water pressure gauge, 9, a total output pipe, 10, check valves a, 11, check valves b, 12, check valves c, 13, check valves d, 14, check valves e, 15, check valves f, 16, check valves g, 17 and check valves h, 18, the device comprises a C cavity liquid inlet and outlet, 19, a C cavity, 20 and a D cavity emulsified oil inlet and outlet, 21, a D cavity, 22 and an A cavity pressure water inlet and outlet, 23, an A cavity, 24, a B cavity, 25 and a B cavity pressure water inlet and outlet, 26 and a D1 cavity emulsified oil inlet and outlet, 27 and a D1 cavity, 28, a cylinder body, 29, a piston rod, 30 and a C1 cavity, 31 and a C1 cavity liquid inlet and outlet, 32, an oil bag, 33, a high-pressure rubber tube, 34, a safety valve, 35 and a one-way valve i.
Detailed Description
The novel hydraulic prop lifter as shown in fig. 1 comprises a mining stop valve 1, a manual reversing valve 5 and a pressure cylinder; the pressure cylinder comprises a cylinder body 28 and a piston rod 29, wherein the piston rod 29 is arranged inside the cylinder body 28 and divides the cylinder body 28 into an A cavity 23, a B cavity 24, a C cavity 19, a D cavity 21, a C1 cavity 30 and a D1 cavity 27; the cavity A23 and the cavity B24 are respectively provided with a cavity A pressure water inlet and outlet 22 and a cavity B pressure water inlet and outlet 25, and are respectively connected with a manual reversing valve 5 through a high-pressure rubber pipe 33; the C cavity 19 and the C1 cavity 30 are respectively provided with a C cavity liquid inlet/outlet 18 and a C1 cavity liquid inlet/outlet 31, after the C cavity liquid inlet/outlet 18 is connected with the tee joint 3 through a high-pressure rubber tube 33, one end of the C cavity liquid inlet/outlet is connected with a liquid inlet of a one-way valve a 10, and the other end of the C cavity liquid inlet/outlet is connected with a liquid outlet of a one-way valve b 11; the liquid inlet and outlet 31 of the C1 cavity is connected with the tee joint 3 through a high-pressure rubber tube 33, one end of the liquid inlet and outlet 31 is connected with the liquid outlet of a one-way valve C12, the other end of the liquid inlet and outlet 31 is connected with the liquid inlet of a one-way valve d13, and the liquid outlet of a one-way valve a 10 and the liquid outlet of the one-way valve d13 are connected together and then connected with a total output pipe 9 and a liquid injection gun; the D cavity 21 and the D1 cavity 27 are respectively provided with a D cavity emulsified oil inlet and outlet 20 and a D1 cavity emulsified oil inlet and outlet 26, after the D cavity emulsified oil inlet and outlet 20 is connected with the tee joint 3 through a high-pressure rubber tube 33, one end of the D cavity emulsified oil inlet and outlet is connected with a liquid outlet of a one-way valve e14, and the other end of the D cavity emulsified oil inlet and outlet is connected with a liquid inlet of a one-way valve f 15; the D1 cavity emulsified oil inlet/outlet 26 is connected with the tee joint 3 through a high-pressure rubber pipe 33, one end of the D1 cavity emulsified oil inlet/outlet is connected with a liquid inlet of a one-way valve g 16, and the other end of the D1 cavity emulsified oil inlet/outlet is connected with a liquid outlet of a one-way valve h 17; the liquid inlet ends of the check valve e14 and the check valve h 17 are respectively connected with the oil bag 32;
mining stop valve 1 divide three ways to connect through the high-pressure rubber pipe 33 who installs filter 2: one path is connected with a one-way valve i 35 and then connected with the liquid injection gun 7; one path is connected with a manual reversing valve 5; one path is connected with two tee joints 3, one end of one tee joint 3 is connected with a liquid inlet of a one-way valve b 11, and the other end of the other tee joint 3 is connected with a liquid inlet of a one-way valve c 12; one end of the other tee joint 3 is connected with a liquid outlet of a one-way valve f 15, and the other end of the other tee joint is connected with a liquid outlet of a one-way valve g 16;
the manual reversing valve 5 is provided with an overflow port 6;
the front end of the liquid injection gun 7 is provided with a safety valve 34.
The total output pipe 9 is provided with a high pressure water gauge 8, and the high pressure rubber pipe which is provided with the filter 2 and is connected with the tee joint 3 is provided with a low pressure water gauge 4.
The working process is as follows:
connecting a water inlet of the mining stop valve 1 with underground static pressure water, starting the mining stop valve 1, and directly injecting the static pressure water into the liquid injection gun 7 to jack the empty column through the filter 2 and the one-way valve i 35; when the single hydraulic prop rises to the top end, the manual reversing valve 5 is operated, static pressure water is injected into the cavity B24 of the pressure cylinder through the filter 2 and the manual reversing valve 5, the piston rod 29 is pushed to move leftwards, the cavity A23 of the pressure cylinder automatically drains water, the static pressure water flows out from the overflow port 6 of the manual reversing valve 5, meanwhile, emulsified oil in the oil bag 32 enters the cavity D21 through the one-way valve e14, and the static pressure water is injected into the cavity C1 30 through the one-way valve C12; when the piston rod 29 moves to the limit position, no water flows out from the overflow port 6 of the manual reversing valve 5, the manual reversing valve 5 is controlled to reverse, static pressure water is injected into the cavity A23 of the pressure cylinder through the filter 2 and the manual reversing valve 5, the piston rod 29 is pushed to move rightwards, the cavity B24 of the pressure cylinder drains automatically, the static pressure water flows out from the overflow port 6 of the manual reversing valve 5, meanwhile, emulsified oil in the oil bag 32 enters the cavity D1 27 through the one-way valve h 17, the static pressure water is injected into the cavity C19 through the one-way valve B11, the pressure water in the cavity C1 is conveyed out at high pressure through the one-way valve D13 and the main output pipe 9, and the single hydraulic prop is lifted continuously; emulsified oil in the cavity D21 is conveyed out at high pressure through the check valve f 15, the check valve c 12, the check valve D13 and the main output pipe 9, and the single hydraulic prop is continuously jacked. The pressure water in the cavity 30 of C1 and the emulsified oil in the cavity 21 of D are proportioned and mixed in the high-pressure rubber tube 33 to form an emulsion with fixed concentration.
The circulation completes the alternating conveyance of the emulsion in the C1 cavity, the D cavity and the C1 cavity. When the pressure of the single hydraulic prop reaches the supporting force required by design, the liquid injection gun is pulled down, and the prop lifting operation is finished.
The front end of the liquid injection gun 7 is provided with a safety valve 34, so that the pressure of the whole system is ensured within the design range, and the safety of the system is ensured.
Claims (2)
1. A novel hydraulic prop lifter is characterized in that: the mining stop valve comprises a mining stop valve, a manual reversing valve and a pressure cylinder; the pressure cylinder comprises a cylinder body and a piston rod, the piston rod is arranged in the cylinder body and divides the cylinder body into a cavity A, a cavity B, a cavity C, a cavity D, a cavity C1 and a cavity D1; the cavity A and the cavity B are respectively provided with a pressure water inlet and a pressure water outlet and are respectively connected with a manual reversing valve through a high-pressure rubber pipe; the cavity C and the cavity C1 are respectively provided with a liquid inlet and a liquid outlet, after the liquid inlet and the liquid outlet of the cavity C are connected with a tee joint through a high-pressure rubber pipe, one end of the liquid inlet is connected with a liquid inlet of a one-way valve a, and the other end of the liquid inlet is connected with a liquid outlet of a one-way valve b; the liquid inlet and the liquid outlet of the C1 cavity are connected with a tee joint through a high-pressure rubber pipe, one end of the liquid inlet and the liquid outlet of the C1 cavity is connected with a liquid outlet of a one-way valve C, the other end of the liquid inlet and the liquid outlet of the one-way valve d, and the liquid outlet of the one-way valve a and the liquid outlet of the one-way valve d are connected together and then connected with a main output;
the cavity D and the cavity D1 are respectively provided with an emulsified oil inlet and an emulsified oil outlet, after the emulsified oil inlet and the emulsified oil outlet of the cavity D are connected with a tee joint through a high-pressure rubber pipe, one end of the emulsified oil inlet and the emulsified oil outlet is connected with a liquid outlet of a check valve e, and the other end of the emulsified oil inlet and the emulsified oil outlet is connected with a liquid inlet of a check; an emulsified oil inlet and an emulsified oil outlet of the D1 cavity are connected with a tee joint through a high-pressure rubber pipe, one end of the emulsified oil inlet and the other end of the emulsified oil outlet are connected with a liquid inlet of a one-way valve g, and the other end of the emulsified oil inlet and the liquid outlet of the one-way valve h; the liquid inlet ends of the check valve e and the check valve h are respectively connected with the oil bag;
the mining stop valve is connected in three ways through a high-pressure rubber pipe provided with a filter: one path is connected with a one-way valve i and then connected with a liquid injection gun; one path is connected with a manual reversing valve; one path is connected with two tee joints, one end of one tee joint is connected with a liquid inlet of the one-way valve b, and the other end of the tee joint is connected with a liquid inlet of the one-way valve c; one end of the other tee joint is connected with a liquid outlet of the one-way valve f, and the other end of the other tee joint is connected with a liquid outlet of the one-way valve g;
the manual reversing valve is provided with an overflow port;
the front end of the liquid injection gun is provided with a safety valve.
2. The novel hydraulic prop lifter of claim 1, wherein: the high-pressure water pressure meter is arranged on the main output pipe, and the low-pressure water pressure meter is arranged on the high-pressure rubber pipe which is provided with the filter and is connected with the tee joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519444.4U CN209875193U (en) | 2019-04-17 | 2019-04-17 | Novel hydraulic prop lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519444.4U CN209875193U (en) | 2019-04-17 | 2019-04-17 | Novel hydraulic prop lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875193U true CN209875193U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920519444.4U Active CN209875193U (en) | 2019-04-17 | 2019-04-17 | Novel hydraulic prop lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875193U (en) |
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2019
- 2019-04-17 CN CN201920519444.4U patent/CN209875193U/en active Active
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