CN203269472U - Hydraulic control system of coal mine fully mechanized mining face hydraulic lifting platform - Google Patents
Hydraulic control system of coal mine fully mechanized mining face hydraulic lifting platform Download PDFInfo
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- CN203269472U CN203269472U CN 201320219240 CN201320219240U CN203269472U CN 203269472 U CN203269472 U CN 203269472U CN 201320219240 CN201320219240 CN 201320219240 CN 201320219240 U CN201320219240 U CN 201320219240U CN 203269472 U CN203269472 U CN 203269472U
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Abstract
The utility model provides a hydraulic control system of a coal mine fully mechanized mining face hydraulic lifting platform and belongs to the technical field of hydraulic control. The hydraulic control system of the coal mine fully mechanized mining face hydraulic lifting platform overcomes the defects of the prior art. The hydraulic lifting platform controlled through the hydraulic control system of the coal mine fully mechanized mining face hydraulic lifting platform has the advantages of being simple in structure, convenient to install, capable of walking and high in reliability. According to the technical scheme, the hydraulic control system of the coal mine fully mechanized mining face hydraulic lifting platform comprises a first lifting jack, a second lifting jack, a first supporting jack, a second supporting jack, a first motor and a second motor, an oil outlet of a hydraulic pump is communicated with an oil inlet P of a liquid distribution plate through an oil inlet pipeline, an oil return port O of the liquid distributing plate is communicated with an oil tank of through an oil return pipeline, and four pairs of working oil ports are formed in the liquid distributing plate. The hydraulic control system of the coal mine fully mechanized mining face hydraulic lifting platform is mainly used for control over the lifting platform.
Description
Technical field
A kind of coal mine fully-mechanized mining working hydraulic elevating platform of the utility model hydraulic control system belongs to technical field of hydraulic.
Background technology
Along with developing rapidly of large-mining-height working surface construction under coal mine, the hydraulic support of large-mining-height working surface reaches as high as 7.2m, to the conventional maintenance operation of support with great mining height become very difficult, and often run into soft seam or breaking roof, top board roof fall and coal wall caving more easily occur in the coal mining process, control to rib and top board is more difficult, develop a kind of simple in structure, quick for installation, can walk, operation lifting table and control system that reliability is high be extremely urgent.
The utility model content
The utility model has overcome the deficiency that prior art exists, and a kind of coal mine fully-mechanized mining working hydraulic elevating platform hydraulic control system is provided, and the hydraulic elevating platform that uses this system to control is simple in structure, quick for installation, can walk, and reliability is high.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of coal mine fully-mechanized mining working hydraulic elevating platform hydraulic control system, comprise the first lifting jack, the second lifting jack, the first support jack, the second support jack, the first motor and the second motor, the oil outlet of Hydraulic Pump is communicated with the oil inlet P of fluid proportion plate by chargine line, the return opening O of fluid proportion plate is communicated with fuel tank by oil return line, is provided with four pairs of actuator ports on fluid proportion plate;
The first motor and the second motor are set up in parallel, and the oil inlet of the first motor and the second motor and oil outlet are respectively by actuator port A1 and the corresponding connection of B1 with fluid proportion plate of oil inlet and oil return pipe;
The actuator port A2 of fluid proportion plate by oil pipe and the first lifting jack the lifting chamber and the lifting chamber of the second lifting jack be communicated with, the actuator port B2 of fluid proportion plate by oil pipe and the first lifting jack the forced landing chamber and the forced landing chamber of the second lifting jack be communicated with;
The actuator port A3 of fluid proportion plate is communicated with by the lifting chamber of oil pipe and the first support jack, and the actuator port B3 of fluid proportion plate is communicated with by the forced landing chamber of oil pipe and the first support jack;
The actuator port A4 of fluid proportion plate is communicated with by the lifting chamber of oil pipe and the second support jack, and the actuator port B4 of fluid proportion plate is communicated with by the forced landing chamber of oil pipe and the second support jack;
Be provided with reversible lock on two oil pipes on two oil pipes on two oil pipes between the first lifting jack and the second lifting jack and fluid proportion plate, between the first support jack and fluid proportion plate, between the second support jack and fluid proportion plate.
The structure of described fluid proportion plate is: four groups of change-over valves are successively set in fluid proportion plate, and four groups of change-over valves share oil inlet P and the return opening O of fluid proportion plates, and every group of fluid proportion plate is provided with actuator port separately.
Be provided with ball check valve on oil inlet between described the first motor and the second motor and fluid proportion plate and oil return pipe.
Be provided with ball check valve on chargine line between described fluid proportion plate and Hydraulic Pump.
Be provided with back the liquid cutout valve on oil return line between described fluid proportion plate and fuel tank.
The beneficial effect that the utility model compared with prior art has is: the driving surface lifting hydraulic platform that the utility model is controlled is simple in structure, quick for installation, can walk, and reliability is high, lifting is steady, can stop at any time, simultaneously change-over valve is integrated in fluid proportion plate, not only layout is clean and tidy, and operation, easy to maintenance.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 is structural representation of the present utility model.
In figure: 1 is that the first lifting jack, 2 is that the second lifting jack, 3 is that the first support jack, 4 is that the second support jack, 5 is that the first motor, 6 is that the second motor, 7 is back liquid cutout valve for reversible lock, 11 for ball check valve, 12 for fuel tank, 10 for fluid proportion plate, 9 for Hydraulic Pump, 8.
The specific embodiment
As shown in Figure 1, a kind of coal mine fully-mechanized mining working hydraulic elevating platform of the utility model hydraulic control system, comprise the first lifting jack 1, the second lifting jack 2, the first support jack 3, the second support jack 4, the first motor 5 and the second motor 6, the oil outlet of Hydraulic Pump 7 is communicated with by the oil inlet P of chargine line with fluid proportion plate 8, the return opening O of fluid proportion plate 8 is communicated with fuel tank 9 by oil return line, is provided with four pairs of actuator ports on fluid proportion plate 8;
The first motor 5 and the second motor 6 are set up in parallel, and the oil inlet of the first motor 5 and the second motor 6 and oil outlet are respectively by actuator port A1 and the corresponding connection of B1 with fluid proportion plate 8 of oil inlet and oil return pipe;
The actuator port A2 of fluid proportion plate 8 by oil pipe and the first lifting jack 1 the lifting chamber and the lifting chamber of the second lifting jack 2 be communicated with, the actuator port B2 of fluid proportion plate 8 by oil pipe and the first lifting jack 1 the forced landing chamber and the forced landing chamber of the second lifting jack 2 be communicated with;
The actuator port A3 of fluid proportion plate 8 is communicated with by the lifting chamber of oil pipe and the first support jack 3, and the actuator port B3 of fluid proportion plate 8 is communicated with by the forced landing chamber of oil pipe and the first support jack 3;
The actuator port A4 of fluid proportion plate 8 is communicated with by the lifting chamber of oil pipe and the second support jack 4, and the actuator port B4 of fluid proportion plate 8 is communicated with by the forced landing chamber of oil pipe and the second support jack 4;
Be provided with reversible lock 10 on two oil pipes on two oil pipes on two oil pipes between the first lifting jack 1 and the second lifting jack 2 and fluid proportion plate 8, between the first support jack 3 and fluid proportion plate 8, between the second support jack 4 and fluid proportion plate 8.
The structure of described fluid proportion plate 8 is: four groups of change-over valves are successively set in fluid proportion plate 8, and four groups of change-over valves share oil inlet P and the return opening O of fluid proportion plates 8, and every group of fluid proportion plate 8 is provided with actuator port separately.
Be provided with ball check valve 11 on oil inlet between described the first motor 5 and the second motor 6 and fluid proportion plate 8 and oil return pipe.
Be provided with ball check valve 11 on chargine line between described fluid proportion plate 8 and Hydraulic Pump 7.
Be provided with back liquid cutout valve 12 on oil return line between described fluid proportion plate 8 and fuel tank 9.
principle of work of the present utility model: Hydraulic Pump 7 use high-pressure emulsions are as propulsion source, drive the first motor 5 and second motor 6 of traveling gear, by first, the gear that the output shaft of the second motor connects is meshed with the rack rails of slat conveyer and realizes walking, lifting mechanism is arranged on above traveling gear, the first lifting jack 1 of lifting mechanism and the second lifting jack 2 drive jointed connecting rod and carry out dipping and heaving under the effect of high-pressure emulsion, service platform is installed above connecting rod, service platform is along with traveling gear, a left side is carried out in the motion of lifting mechanism, right, rise or descending motion.
The above has done detailed description to embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skills possess, can also make various variations under the prerequisite that does not break away from the utility model aim.
Claims (5)
1. coal mine fully-mechanized mining working hydraulic elevating platform hydraulic control system, it is characterized in that: comprise the first lifting jack (1), the second lifting jack (2), the first support jack (3), the second support jack (4), the first motor (5) and the second motor (6), the oil outlet of Hydraulic Pump (7) is communicated with by the oil inlet P of chargine line with fluid proportion plate (8), the return opening O of fluid proportion plate (8) is communicated with fuel tank (9) by oil return line, is provided with four pairs of actuator ports on fluid proportion plate (8);
The first motor (5) and the second motor (6) are set up in parallel, and the oil inlet of the first motor (5) and the second motor (6) and oil outlet are respectively by actuator port A1 and the corresponding connection of B1 with fluid proportion plate (8) of oil inlet and oil return pipe;
The actuator port A2 of fluid proportion plate (8) by oil pipe and the first lifting jack (1) the lifting chamber and the lifting chamber of the second lifting jack (2) be communicated with, the actuator port B2 of fluid proportion plate (8) by oil pipe and the first lifting jack (1) the forced landing chamber and the forced landing chamber of the second lifting jack (2) be communicated with;
The actuator port A3 of fluid proportion plate (8) is communicated with by the lifting chamber of oil pipe and the first support jack (3), and the actuator port B3 of fluid proportion plate (8) is communicated with by the forced landing chamber of oil pipe and the first support jack (3);
The actuator port A4 of fluid proportion plate (8) is communicated with by the lifting chamber of oil pipe and the second support jack (4), and the actuator port B4 of fluid proportion plate (8) is communicated with by the forced landing chamber of oil pipe and the second support jack (4);
Be provided with reversible lock (10) on two oil pipes on two oil pipes on two oil pipes between the first lifting jack (1) and the second lifting jack (2) and fluid proportion plate (8), between the first support jack (3) and fluid proportion plate (8), between the second support jack (4) and fluid proportion plate (8).
2. a kind of coal mine fully-mechanized mining working hydraulic elevating platform hydraulic control system according to claim 1, it is characterized in that: the structure of described fluid proportion plate (8) is: four groups of change-over valves are successively set in fluid proportion plate (8), four groups of change-over valves share oil inlet P and the return opening O of fluid proportion plate (8), and every group of fluid proportion plate (8) is provided with actuator port separately.
3. a kind of coal mine fully-mechanized mining working hydraulic elevating platform hydraulic control system according to claim 1, is characterized in that: be provided with ball check valve (11) on the oil inlet between described the first motor (5) and the second motor (6) and fluid proportion plate (8) and oil return pipe.
4. a kind of coal mine fully-mechanized mining working hydraulic elevating platform hydraulic control system according to claim 1, is characterized in that: be provided with ball check valve (11) on the chargine line between described fluid proportion plate (8) and Hydraulic Pump (7).
5. a kind of coal mine fully-mechanized mining working hydraulic elevating platform hydraulic control system according to claim 1, is characterized in that: be provided with back liquid cutout valve (12) on the oil return line between described fluid proportion plate (8) and fuel tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219240 CN203269472U (en) | 2013-04-26 | 2013-04-26 | Hydraulic control system of coal mine fully mechanized mining face hydraulic lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219240 CN203269472U (en) | 2013-04-26 | 2013-04-26 | Hydraulic control system of coal mine fully mechanized mining face hydraulic lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203269472U true CN203269472U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320219240 Expired - Lifetime CN203269472U (en) | 2013-04-26 | 2013-04-26 | Hydraulic control system of coal mine fully mechanized mining face hydraulic lifting platform |
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| Country | Link |
|---|---|
| CN (1) | CN203269472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402181A (en) * | 2015-09-24 | 2016-03-16 | 北京天地玛珂电液控制系统有限公司 | Hydraulic system of hydraulic self-moving type movable transformer train |
-
2013
- 2013-04-26 CN CN 201320219240 patent/CN203269472U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402181A (en) * | 2015-09-24 | 2016-03-16 | 北京天地玛珂电液控制系统有限公司 | Hydraulic system of hydraulic self-moving type movable transformer train |
| CN105402181B (en) * | 2015-09-24 | 2017-12-26 | 北京天地玛珂电液控制系统有限公司 | A kind of hydraulic pressure automatic moving type moves changing train hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |