WO2019120128A1 - 一种封闭式水压凿岩机工作系统 - Google Patents

一种封闭式水压凿岩机工作系统 Download PDF

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Publication number
WO2019120128A1
WO2019120128A1 PCT/CN2018/120808 CN2018120808W WO2019120128A1 WO 2019120128 A1 WO2019120128 A1 WO 2019120128A1 CN 2018120808 W CN2018120808 W CN 2018120808W WO 2019120128 A1 WO2019120128 A1 WO 2019120128A1
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WIPO (PCT)
Prior art keywords
water
diverter valve
rock drill
hydraulic rock
high pressure
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PCT/CN2018/120808
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English (en)
French (fr)
Inventor
李永胜
王维林
杨琦
张凤琴
王秋景
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山东天瑞重工有限公司
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Application filed by 山东天瑞重工有限公司 filed Critical 山东天瑞重工有限公司
Publication of WO2019120128A1 publication Critical patent/WO2019120128A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00—Percussion drilling
    • E21B1/36—Tool-carrier piston type, i.e. in which the tool is connected to an impulse member
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
    • E21B6/04—Separate drives for percussion and rotation

Definitions

  • the embodiment of the invention relates to, but is not limited to, a hydraulic rock drill, in particular to a closed hydraulic rock drill working system used in mining, road, railway, water conservancy and tunnel construction projects, belonging to the field of engineering machinery.
  • Pneumatic rock drill has more than 100 years of development and application history, but in addition to the structure, material and other improvements of the machine, the energy utilization rate has not been substantially improved, and the problems of large vibration and high noise have not been solved.
  • the hydraulic rock drill put into the market in the 1970s uses medium and high pressure hydraulic oil as the energy transmission medium.
  • the equipment has high output power, high rock breaking efficiency, low energy consumption, long service life, good working environment and easy automatic control. It has been rapidly promoted. However, due to the heavy weight and large thrust, it must be placed on the corresponding hydraulic drill to achieve its efficiency. Therefore, the hydraulic rock drill is mainly used in the tunneling of large sections.
  • hydraulic rock drills and trolleys have high cost, high cost of use, high skill requirements for operators, and high maintenance technical requirements, which limits its application in mining, road, railway, water conservancy and tunnel construction projects. Therefore, the gas-legged pneumatic rock drill is still widely used in most of the medium and small-scale mining and underground construction, and the hydraulic rock drill is used less than 1%.
  • an object of the present application is to provide a closed type hydraulic rock drill.
  • the present application provides a closed hydraulic rock drill working system with high rock drilling speed, low noise, no oil mist pollution, small vibration and energy saving, and replaces the pneumatic drilling machine working system which is currently used in a large amount to improve the working environment of the operator.
  • it can also be extended to small hydraulic drilling rigs, which can replace some of the imports of hydraulic rock drills in China, thereby reducing the cost of drilling rigs and promoting the construction of rigs in mines and tunnels.
  • the application provides a closed hydraulic rock drill working system, comprising a hydraulic rock drill and a water tank, the water tank supplies water to the hydraulic rock drill through a high pressure water supply system, and returns water from the hydraulic rock drill through a water return system.
  • the high-pressure water supply system comprises a high-pressure pump, the high-pressure pump is in communication with a diverter valve, the diverter valve is provided with a diverter valve water outlet and a diverter valve high-pressure water outlet, the diverter valve outlet is installed on a hydraulic rock drill
  • the upper hydraulic pressure motor is connected, the high pressure water outlet of the diverter valve is in communication with the hydraulic rock drill;
  • the return water system includes a return water connection pipe, and the water tank is connected to the hydraulic rock drill through the return water connection pipe .
  • the first end of the hydraulic motor is provided with a water pressure motor water inlet, and the water pressure motor water inlet is connected with the water outlet of the diverter valve.
  • the diverter valve is further provided with a main recirculation port of the diverter valve, and the main water return port of the diverter valve is in communication with the return water pipe to deliver the low pressure water in the diverter valve to the water tank.
  • the diverter valve is provided with a low pressure water port, and high pressure water in the hydraulic rock drill body enters the low pressure water port, and the water in the low pressure water port is delivered to the main water return port of the diverter valve.
  • the hydraulic motor is provided with a hydraulic motor water return port at a position close to the water pressure inlet of the hydraulic motor, and the water of the water pressure return port of the hydraulic motor is sent to the main water return port of the diverter valve.
  • the diverter valve is provided with a diverter valve return port, the diverter valve return port is in communication with the water pressure motor return port, and the water of the hydraulic motor return port is sent to the diverter valve main through the diverter valve return port Backwaters.
  • the diverter valve is provided with a diverter valve water inlet, and the diverter valve water inlet is in communication with the high pressure pump.
  • the water inlet of the diverter valve is in communication with the leg control valve, and the leg control valve is provided with a leg control valve high pressure water inlet and a leg control valve return port.
  • the high pressure water inlet of the leg control valve is in communication with the water inlet of the diverter valve, and the water return port of the leg control valve is in communication with the main water return port of the diverter valve.
  • the first end surface of the diverter valve is provided with the diverter valve water inlet and the diverter valve main water return port located near the water inlet of the diverter valve.
  • the second end surface of the diverter valve is provided with the high pressure water outlet and the low pressure water port at a position close to the high pressure water outlet of the diverter valve.
  • the high pressure water supply system is provided with a filtering system, and the water returning system is provided with a detecting system.
  • the filtration system comprises a precision stage filter, the precision stage filter is disposed on the water return connection pipe of the water tank and the hydraulic rock drill; the detection system comprises a first flow meter, the first flow meter Connected between the precision grade filter and the water dividing valve.
  • the filtration system comprises a precision stage filter, the precision stage filter is connected between the transfer water pump and the high pressure pump; the detection system comprises a second flow meter, the second flow meter is connected to the Between the precision filter and the high pressure pump.
  • the beneficial effects of the present application include: the closed hydraulic rock drill working system provided by the present application can directly use tap water to realize closed circuit circulation of high pressure water and low pressure water, and energy saving of more than 90% than that of the pneumatic rock drill system, and a 13 m3 screw type.
  • the air compressor can carry 4 pneumatic rock drills, and the power of the screw air compressor is 110KW.
  • the pneumatic rock drill works, a large amount of oil mist is generated. It is necessary to use a blower to blow the wind to the rock face to strengthen the outer row of the oil mist. It is 75KW; the rock drilling time is about 4 hours in the mining operation.
  • the hydraulic rock drill is under the same conditions.
  • the rock drilling speed is 2.5 times that of the pneumatic rock drill and the pumping station power is 13KW.
  • the pneumatic rock drill The system noise is low, the noise of the pneumatic rock drill is 128.5dB(A) on the mining surface, and the noise of the hydraulic rock drill is 100.5dB(A), which can reduce the noise by more than 20%.
  • FIG. 1 is a schematic view showing the operation of a hydraulic rock drill in an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a hydraulic rock drill according to an embodiment of the present invention.
  • Figure 3 is a schematic structural view of a diverter valve in an embodiment of the present invention.
  • Figure 4 is a bottom structural view of the diverter valve in the embodiment of the present invention.
  • Figure 5 is a schematic structural view of a hydraulic motor in an embodiment of the present invention.
  • Figure 6 is a schematic view showing the structure of a leg control valve in the embodiment of the present invention.
  • FIG. 1 is a working principle diagram of a hydraulic rock drill in an embodiment of a closed hydraulic rock drill working system
  • FIG. 2 is an embodiment of a closed hydraulic rock drill working system.
  • the structural schematic diagram of the hydraulic rock drill FIG. 3 is a schematic structural view of the diverter valve in the working system of the closed hydrostatic rock drill
  • FIG. 4 is the bottom structural diagram of the diverter valve in the embodiment of the closed hydraulic rock drill working system.
  • 5 is a schematic structural view of a hydraulic motor in an embodiment of a closed hydraulic rock drill working system
  • FIG. 6 is a structural schematic view of a leg control valve in an embodiment of a closed hydraulic rock drill working system, as shown in FIGS.
  • the closed hydraulic rock drill working system comprises a hydraulic rock drill 18 and a water tank 2, and the water tank 2 supplies water to the hydraulic rock drill 18 through a high pressure water supply system, and returns water from the hydraulic rock drill 18 through a water return system.
  • the high-pressure water supply system is provided with a filtration system for filtering water, and the water return system is provided with a detection system that measures a flow rate of water and a water pressure.
  • the high-pressure water supply system includes a water pump 11 that communicates with the water tank 2, and the water inlet of the water pump 11 communicates with the water tank 2 through a connection pipe, and the water pump 11 is used to pump water out of the water tank 2.
  • a second check valve 5 is disposed on the connecting pipe between the water pump 11 and the water tank 2 for controlling the opening and closing of the connecting pipe.
  • the water outlet of the water pump 11 is connected to the high pressure pump 16 through a connecting pipe.
  • the water outlet of the high pressure pump 16 is connected with a high pressure pipe.
  • the high pressure pipe is separated from the high pressure pump 16 by a high pressure water outlet B, and the water is pressurized by the high pressure pump 16. And the high pressure water is output through the high pressure water outlet B.
  • the high pressure water outlet B communicates with the diverter valve inlet J2, and the diverter valve inlet J2 is disposed on the first end surface of the diverter valve 19 on the hydrostatic rock drill 18 such that the high pressure water enters the diverter valve 19.
  • the water return system includes a return water connection pipe for connecting the water tank 2 and the hydraulic rock drill 18, and a low pressure return port A is disposed at an end of the return water connection pipe remote from the water tank 2.
  • the low pressure return port A is connected with the main return port P2 of the diverter valve, and the main return port P2 of the diverter valve is disposed on the diverter valve 19 on the hydrostatic rock drill 18 near the inlet port J2 of the diverter valve, so that the low pressure in the hydraulic rock drill 18 The water flows back to the water tank 2 through the main return port P2 of the diverter valve.
  • the filtration system includes a precision filter 12 for filtering water connected between the transfer water pump 11 and the high pressure pump 16, and the water inlet of the precision filter 12 communicates with the water outlet of the transfer water pump 11, the precision filter 12 The water outlet is connected to the water inlet of the high pressure pump 16.
  • the filtration system includes a precision filter 7, and a micron filter 7 for filtering water is disposed on the water return pipe of the water tank 2 and the hydraulic rock drill 18, and the water inlet and low pressure back of the micron filter 7
  • the nozzle A is connected, and the water outlet of the micron-sized filter 7 is in communication with the water tank 2.
  • the detection system includes a second flow meter 13 coupled between the precision stage filter 12 and the high pressure pump 16 for measuring the flow of water there.
  • a second pressure gauge 15 for detecting the water pressure at the place is disposed between the second flow meter 13 and the high pressure pump 16.
  • a third pressure gauge 17 for measuring the water pressure at the high pressure pump 16 and the high pressure water outlet B is provided, which also achieves the measurement of the pressure of the high pressure water entering the hydraulic rock drill 18.
  • the detection system includes a first flow meter 1 disposed between the micron-sized filter 7 and the low pressure return port A for detecting water flow there.
  • a first pressure gauge 8 for measuring the water pressure at the water flow is provided between the first flow meter 1 and the low pressure return port A.
  • a third shutoff valve 10 is disposed between the transfer water pump 11 and the precision filter 12 .
  • a fourth shutoff valve 14 is disposed between the precision filter 12 and the second flow meter 13 .
  • a first shutoff valve 6 and a first check valve 4 are sequentially disposed between the micron-sized filter 7 and the water tank 2 along the flow direction of the water there.
  • a second shutoff valve 9 is disposed between the micrometer filter 7 and the first flow meter 1 .
  • a side of the diverter valve 19 near the left end is provided with a diverter valve water outlet J3, and a side of the side near the right end is provided with a diverter valve return port P3.
  • a diverter valve high pressure water outlet J5 is disposed on the second end surface of the diverter valve 19 near the left end, and a low pressure water port P5 is disposed on the second end surface of the diverter valve 19 near the diverter valve high pressure water outlet J5.
  • one of the high-pressure water is output from the diverter valve outlet J3; the other high-pressure water enters the body of the hydrostatic rock drill 18 from the high-pressure water outlet J5 of the diverter valve (not shown), and pushes the piston to realize In the back stroke movement, the high pressure water that pushes the piston back movement in the body of the hydraulic rock drill 18 enters the low pressure water port P5 of the diverter valve 19 at the end of the return movement.
  • the water outlet port J3 of the diverter valve is connected to the water inlet J1 of the hydraulic motor through a high pressure pipe, and the high pressure water enters the hydraulic motor 20 through the water inlet J1 of the hydraulic motor.
  • the hydraulic motor water inlet J1 is disposed on the first end of the hydraulic motor 20 near the left end, the hydraulic motor 20 is mounted on the hydraulic rock drill 18 near the diverter valve 19, and the hydraulic motor 20 is in the hydraulic rock drill Rotating torque is provided in the working system to drive the rotating mechanism of the hydraulic rock drill 18 to rotate to drive the drill bit to rotate the hole.
  • the water return port P3 of the diverter valve is connected to the water pressure return port P1 of the hydraulic motor through a high pressure pipe, and the water return port P1 of the water pressure motor is disposed at a position of the water pressure motor 20 near the water inlet J1 of the water pressure motor, and the water in the water pressure motor 20 passes through.
  • the hydraulic motor return port P1 flows to the diverter valve return port P3, and then flows through the diverter valve 19 to the main recirculation port P2 of the diverter valve.
  • One side of the hydraulic rock drill 18 is hinged with a hydraulic leg 21 which provides an upward supporting force and a forward force to the hydraulic rock drill 18 to achieve the continuity of the hydraulic rock drill 18 (water)
  • the movement of the presser leg 22 is in the form of an extension and contraction of the piston rod connected to the hydraulic rock drill 18 by means of an articulation.
  • One end of the water pressure leg 21 is provided with a leg control valve 22 for controlling the elongation and contraction of the water pressure leg 22.
  • the leg control valve 22 is provided with a leg control valve high pressure water inlet J4 and a leg control valve return port P4.
  • leg control valve high pressure water inlet J4 is connected with the diverter valve inlet J2, that is, the leg control valve high pressure water inlet J4 is connected to the diverter valve inlet J2 and the high pressure water outlet B through the tee joint.
  • the leg control valve return port P4 is in communication with the main return port P2 of the diverter valve, that is, the leg control valve return port P4 communicates with the diverter valve main return port P2 and the low pressure return port A through the three-way joint.
  • a drain valve 3 is provided at the outer portion of the water tank 2 near the bottom, so that the water in the water tank 2 is drained.
  • the worker When in use, the worker adds tap water to the water tank 2, and the tap water is sent to the precision filter 12 through the transfer water pump 11 (0.5-1 kw) (the filter adopts a polypropylene hollow fiber membrane, and the effective intercepting pore diameter is 0.01-0.1 um. , the filtered water is pressurized by the second flow meter 13 into the high pressure pump 16 (7.5-10kw), the pressurized high pressure water enters the diverter valve inlet J2;
  • the high pressure water enters the diverter valve 19 and is simultaneously distributed to the impact portion of the rock drill and the hydraulic motor 20 under the regulation of the diverter valve 19, so that the piston of the hydraulic rock drill 18 is synchronized with the hydraulic motor 20; during the operation of the hydraulic rock drill 18
  • the return water in the backwater is returned to the water tank 2 through the connecting pipe main water return port P2 through the connecting pipe through the first flow meter 1 and through the micron-sized filter 7 (the micron-sized filter 7 is a pore 2um-5um filter).
  • the application adopts the above scheme, and can directly use tap water to realize closed circuit circulation of high pressure water and low pressure water, which is more than 90% energy saving than a pneumatic rock drill system, and a 13 m3 screw air compressor can carry 4 pneumatic rock drills, screw type
  • the air compressor power is 110KW; when the pneumatic rock drill is working, it generates a large amount of oil mist. It needs to use the blower to blow the wind to the rock face and strengthen the oil mist.
  • the power is 75KW.
  • the pneumatic rock drill is in the mining operation and the rock drilling time.
  • the noise is lower than that of the pneumatic rock drill system, and the noise of the pneumatic rock drill is at the mining working surface. With an average of 128.5dB(A), the hydraulic rock drill has a noise of 100.5dB(A), which can reduce noise by more than 20%.

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Abstract

一种封闭式水压凿岩机工作系统，包括水压凿岩机（18）和水箱（2），所述水箱（2）通过高压供水系统向所述水压凿岩机（18）供水，通过回水系统从所述水压凿岩机（18）回水。本系统可直接使用自来水，实现了高压水与低压水的闭路循环，比气动凿岩机系统节能90％以上，比气动凿岩机系统噪音低，在采矿作业面处气动凿岩机的噪音平均在128.5dB(A)，水压凿岩机的噪音在100.5dB(A)，可降低20％以上的噪音。

Description

一种封闭式水压凿岩机工作系统
本申请要求在2017年12月20日提交中国专利局、申请号为201711386025.X、发明名称为“一种封闭式水压凿岩机工作系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及但不限于一种水压凿岩机，具体地说涉及一种使用在矿山开采、公路、铁路、水利、隧道建设工程中的封闭式水压凿岩机工作系统，属于工程机械领域。
背景技术
目前在我国矿山开采、高铁、地铁隧道、水利建设中，大量使用气腿式气动凿岩机，年需求量在10万台以上，从业人员达到35万以上。气动凿岩机已有100多年的发展与应用历史，但除机具结构、材质及其它一些改进外，能量利用率一直得不到实质性提高，振动大、噪声高等问题也始终无法解决。
20世纪70年代投入市场的液压凿岩机以中、高压液压油作为能量传递介质，设备输出功率大、破岩效率高、能耗低、寿命长、工作环境好、易于自动控制，在世界范围内获得了迅速推广，然而由于机型重、推力大，必须安放在相应的液压钻车上才能发挥其效率，因此，液压凿岩机主要应用于大断面的巷(隧)道掘进中。其次，液压凿岩机及台车造价高、使用成本高、对操作者的技能要求高、维修技术要求高，限制了它在矿山开采、公路、铁路、水利、隧道建设工程中的应用。因此，在大部分中、小型采掘及地下工程建设中仍在大量使用气腿式气动凿岩机，而液压凿岩机的使用量不及它的1％。
大量的气腿式气动凿岩机的使用一方面消耗大量的能源，增加了矿山生产成本，另一方面噪声超过125dB(A)及强烈的振动和大量的油污，使大量的从业人员患上耳聋、白手病等职业疾病，严重威胁着矿工的身心健康。
发明内容
针对上述问题，本申请的目的是提供一种封闭式水压凿岩机。具体地，本申请提供一种凿岩速度快、噪音低、无油雾污染、振动小、节能的封闭式水压凿岩机工作系统，替代现在 大量使用的气动凿岩机工作系统，改善操作者的工作环境，降低能耗、保护操作者的身心健康，还可拓宽使用到小型液压钻车上，可取代我国液压凿岩机的部分进口，从而降低钻车的成本，推动钻车在矿山及隧道等工程建设中的应用。
本申请提供了一种封闭式水压凿岩机工作系统，包括水压凿岩机和水箱，所述水箱通过高压供水系统向所述水压凿岩机供水，通过回水系统从所述水压凿岩机回水。
其中，所述高压供水系统包括高压泵，所述高压泵与分流阀连通，所述分流阀上设置有分流阀出水口和分流阀高压水出口，所述分流阀出水口与安装在水压凿岩机上的水压马达连通，所述分流阀高压水出口与所述水压凿岩机连通；所述回水系统包括回水连接管，所述水箱通过所述回水连接管与所述水压凿岩机连通。
其中，所述水压马达上的第一端设置有水压马达进水口，所述水压马达进水口与所述分流阀出水口连通。
其中，所述分流阀上还设置有分流阀主回水口，所述分流阀主回水口与所述回水管连通，以将所述分流阀内的低压水输送至水箱。
其中，所述分流阀设置有低压水口，在水压凿岩机机体内的高压水进入所述低压水口，所述低压水口内的水输送至所述分流阀主回水口。
其中，所述水压马达上靠近水压马达进水口的位置设置有水压马达回水口，所述水压马达回水口的水输送至所述分流阀主回水口。
其中，所述分流阀设置有分流阀回水口，所述分流阀回水口与所述水压马达回水口连通，所述水压马达回水口的水通过分流阀回水口输送至所述分流阀主回水口。
其中，所述分流阀设置有分流阀进水口，所述分流阀进水口与所述高压泵连通。
其中，所述分流阀进水口与支腿控制阀连通，所述支腿控制阀上设置有支腿控制阀高压水进口和支腿控制阀回水口。
其中，所述支腿控制阀高压水进口与所述分流阀进水口连通，所述支腿控制阀回水口与所述分流阀主回水口连通。
其中，所述分流阀的第一端面设置有所述分流阀进水口和靠近所述分流阀进水口的位置的所述分流阀主回水口。
其中，所述分流阀的第二端面设置有所述高压水出口和靠近所述分流阀高压水出口的位置的所述低压水口。
其中，所述高压供水系统设置有过滤系统，所述回水系统设置有检测系统。
其中，所述过滤系统包括精密级过滤器，所述精密级过滤器设置在所述水箱和水压凿岩机的回水连接管上；所述检测系统包括第一流量计，所述第一流量计连接在所述精密级过滤 器与所述分水阀之间。
其中，所述过滤系统包括精密级过滤器，所述精密级过滤器连接在输送水泵与所述高压泵之间；所述检测系统包括第二流量计，所述第二流量计连接在所述精密级过滤器与所述高压泵之间。
本申请的有益效果包括：本申请所提供的封闭式水压凿岩机工作系统可直接使用自来水，实现了高压水与低压水的闭路循环，比气动凿岩机系统节能90％以上，一台13m3的螺杆式空压机可带4台气动式凿岩机，螺杆式空压机功率为110KW；气动凿岩机工作时产生大量的油雾，需使用鼓风机向凿岩面处鼓风，加强油雾的外排，其功率为75KW；气动凿岩机在采矿作业中，凿岩时间大约在4小时，在这4小时中电能耗费量为(110+75)×4＝740KW，费用大约为740元；水压凿岩机在同等条件下，凿岩速度是气动凿岩机的2.5倍，泵站功率13KW，在同等开采量下，水压凿岩机的耗电费用为1.6×13×1＝20.8元，节电能达到90％以上；比气动凿岩机系统噪音低，在采矿作业面处气动凿岩机的噪音平均在128.5dB(A)，水压凿岩机的噪音在100.5dB(A),可降低20％以上的噪音。
附图说明
并入到说明书中并且构成说明书的一部分的附图示出了本申请的实施例，并且与描述一起用于解释本申请的原理。在这些附图中，类似的附图标记用于表示类似的要素。下面描述中的附图是申请的一些实施例，而不是全部实施例。对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，可以根据这些附图获得其他的附图。
图1是本发明实施例中液压凿岩机的工作原理图；
图2是本发明实施例中液压凿岩机的结构原理图；
图3是本发明实施例中分流阀的结构示意图；
图4是本发明实施例中分流阀的底部结构图；
图5是本发明实施例中水压马达的结构示意图；
图6是本发明实施例中支腿控制阀的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本申请中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明 实施例保护的范围。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。下面结合附图，对根据本发明实施例所提供的地弹门进行详细说明。
本发明实施例提供了一种封闭式水压凿岩机工作系统，图1是封闭式水压凿岩机工作系统的实施例中液压凿岩机的工作原理图，图2是封闭式水压凿岩机工作系统的实施例中液压凿岩机的结构原理图，图3是封闭式水压凿岩机工作系统的实施例中分流阀的结构示意图，图4是封闭式水压凿岩机工作系统的实施例中分流阀的底部结构图，图5是封闭式水压凿岩机工作系的实施例中水压马达的结构示意图，图6是封闭式水压凿岩机工作系统的实施例中支腿控制阀的结构示意图，参照图1-图6所示，该封闭式水压凿岩机工作系统，包括水压凿岩机18和水箱2，所述水箱2通过高压供水系统向所述水压凿岩机18供水，通过回水系统从所述水压凿岩机18回水。
所述高压供水系统设置有用于过滤水的过滤系统，所述回水系统设置有对水的流量、水压进行测量的检测系统。
所述高压供水系统包括与水箱2连通的输送水泵11，输送水泵11的进水口通过连接管与水箱2连通，输送水泵11用于将水箱2内的水抽出。
所述输送水泵11与水箱2之间的连接管上设置有第二单向阀5，用来控制该连接管的通与断。
所述输送水泵11的出水口通过连接管连接有高压泵16，高压泵16的出水口连接有高压管，该高压管远离高压泵16的一端为高压水出口B，水经过高压泵16加压并通过高压水出口B输出高压水。
所述高压水出口B与分流阀进水口J2连通，分流阀进水口J2设置在水压凿岩机18上的分流阀19的第一端面上，这样高压水就进入分流阀19内。
所述回水系统包括用于连接水箱2和水压凿岩机18的回水连接管，该回水连接管上远离水箱2的一端设置有低压回水口A。
所述低压回水口A连接有分流阀主回水口P2，分流阀主回水口P2设置在水压凿岩机18上的分流阀19上靠近分流阀进水口J2的位置，这样水压凿岩机18内的低压水就通过分流阀主回水口P2流回水箱2。
所述过滤系统包括连接在输送水泵11与高压泵16之间的用于过滤水的精密级过滤器12，精密级过滤器12的进水口与输送水泵11的出水口连通，精密级过滤器12的出水口与高压泵16的进水口连通。
所述过滤系统包括精密级过滤器7，用于过滤水的微米级过滤器7设置在所述水箱2和水压凿岩机18的回水连接管上，微米级过滤器7的进水口与低压回水口A连通，微米级过滤器7的 出水口与水箱2连通。
所述检测系统包括连接在精密级过滤器12与高压泵16之间的用于测量该处水流量的第二流量计13。
所述第二流量计13与高压泵16之间设置有用于检测该处水压的第二压力表15。
所述高压泵16与高压水出口B之间设置有用于测量该处水压的第三压力表17，这样也实现了测量进入水压凿岩机18内的高压水的压力。
所述检测系统包括设置在所述微米级过滤器7与低压回水口A之间用于检测该处水流量的第一流量计1。
所述第一流量计1与低压回水口A之间设置有用于测量该处水压的第一压力表8。
所述输送水泵11与精密级过滤器12之间设置有第三截止阀10。
所述精密级过滤器12与第二流量计13之间设置有第四截止阀14。
所述微米级过滤器7与水箱2之间沿该处水的流向依次设置有第一截止阀6和第一单向阀4。
所述微米级过滤器7与第一流量计1之间设置有第二截止阀9。
所述分流阀19的一侧靠近左端的位置设置有分流阀出水口J3，该侧靠近右端的位置设置有分流阀回水口P3。
所述分流阀19的第二端面上靠近左端的位置设置有分流阀高压水出口J5，分流阀19的第二端面上靠近分流阀高压水出口J5的位置设置有低压水口P5。
在分流阀19的调节下，其中一路高压水从分流阀出水口J3输出；另一路高压水从分流阀高压水出口J5进入到水压凿岩机18的机体内(图中未表示)，推动活塞实现冲回程运动，在水压凿岩机18机体内推动活塞回程运动的高压水在回程运动即将结束时就进入分流阀19的低压水口P5。
所述分流阀出水口J3通过高压管连通有水压马达进水口J1，高压水通过水压马达进水口J1进入水压马达20。
所述水压马达进水口J1设置在水压马达20的第一端上靠近左端的位置，水压马达20安装在水压凿岩机18上靠近分流阀19的位置，水压马达20在水压凿岩机工作系统中提供旋转扭矩，带动水压凿岩机18的回转机构进行旋转从而带动钎杆钻头旋转凿出孔。
所述分流阀回水口P3通过高压管与水压马达回水口P1连通，水压马达回水口P1设在水压马达20上靠近水压马达进水口J1的位置，水压马达20内的水经过水压马达回水口P1流至分流阀回水口P3，再经分流阀19的调节流至分流阀主回水口P2。
所述水压凿岩机18的一侧铰接有水压支腿21，水压支腿21给水压凿岩机18提供向上的支 撑力和向前的力，实现水压凿岩机18凿孔的连续性(水压支腿22的运动形式是与水压凿岩机18通过铰接方式连接的活塞杆伸长与收缩两种运动。)。
所述水压支腿21的一端设置有支腿控制阀22，支腿控制阀22用来控制水压支腿22的伸长与收缩。
所述支腿控制阀22上设置有支腿控制阀高压水进口J4和支腿控制阀回水口P4。
所述支腿控制阀高压水进口J4与分流阀进水口J2连通，即支腿控制阀高压水进口J4通过三通接头与分流阀进水口J2以及高压水出口B连通。
所述支腿控制阀回水口P4与分流阀主回水口P2相连通，即支腿控制阀回水口P4通过三通接头与分流阀主回水口P2以及低压回水口A连通。
所述水箱2的外部靠近底部的位置设置有排水阀3，这样设计便于将水箱2中的水排掉。
使用时，工作人员向水箱2中添加自来水，自来水经输送水泵11(0.5-1kw)输送至精密级过滤器12(该过滤器采用聚丙烯中空纤维膜，其有效截留孔径为0.01—0.1um。)中，过滤后的水通过第二流量计13进入高压泵16(7.5-10kw)加压，加压后的高压水进入分流阀进水口J2；
然后高压水进入分流阀19并在分流阀19的调节下同时分配给凿岩机的冲击部分和水压马达20，实现水压凿岩机18的活塞与水压马达20同步运行；在水压凿岩机18工作过程中的回水通过分流阀主回水口P2经连接管路流经第一流量计1再通过微米级过滤器7(该微米级过滤器7为孔隙2um-5um的过滤器)回到水箱2。上面描述的内容可以单独地或者以各种方式组合起来实施，而这些变型方式都在本发明实施例的保护范围之内。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括……”限定的要素，并不排除在包括所述要素的物品或者设备中还存在另外的相同要素。
以上实施例仅用以说明本申请的技术方案而非限制，仅仅参照较佳实施例对本申请进行了详细说明。本领域的普通技术人员应当理解，可以对本申请的技术方案进行修改或者等同替换，而不脱离本申请技术方案的精神和范围，均应涵盖在本申请的权利要求范围当中。
工业实用性
本申请采用上述方案，可直接使用自来水，实现了高压水与低压水的闭路循环，比气动凿岩机系统节能90％以上，一台13m3的螺杆式空压机可带4台气动式凿岩机，螺杆式空压机功率为110KW；气动凿岩机工作时产生大量的油雾，需使用鼓风机向凿岩面处鼓风，加强油雾的外排，其功率为75KW；气动凿岩机在采矿作业中，凿岩时间大约在4小时，在这4小时中电能耗费量为(110+75)×4＝740KW，费用大约为740元；水压凿岩机在同等条件下，凿岩速度是气动凿岩机的2.5倍，泵站功率13KW，在同等开采量下，水压凿岩机的耗电费用为1.6×13×1＝20.8元，节电能达到90％以上；比气动凿岩机系统噪音低，在采矿作业面处气动凿岩机的噪音平均在128.5dB(A)，水压凿岩机的噪音在100.5dB(A),可降低20％以上的噪音。

Claims (15)

  1. 一种封闭式水压凿岩机工作系统，包括水压凿岩机(18)和水箱(2)，所述水箱(2)通过高压供水系统向所述水压凿岩机(18)供水，通过回水系统从所述水压凿岩机(18)回水。
  2. 如权利要求1所述的封闭式水压凿岩机工作系统，其中，
    所述高压供水系统包括高压泵(16)，所述高压泵(16)与分流阀(19)连通，所述分流阀(19)上设置有分流阀出水口(J3)和分流阀高压水出口(J5)，所述分流阀出水口(J3)与安装在水压凿岩机(18)上的水压马达(20)连通，所述分流阀高压水出口(J5)与所述水压凿岩机(18)连通；
    所述回水系统包括回水连接管，所述水箱(2)通过所述回水连接管与所述水压凿岩机(18)连通。
  3. 如权利要求2所述的封闭式水压凿岩机工作系统，其中，
    所述水压马达(20)上的第一端设置有水压马达进水口(J1)，所述水压马达进水口(J1)与所述分流阀出水口(J3)连通。
  4. 如权利要求2所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)上还设置有分流阀主回水口(P2)，所述分流阀主回水口(P2)与所述回水管连通，以将所述分流阀(19)内的低压水输送至水箱(2)。
  5. 如权利要求4所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)设置有低压水口(P5)，在水压凿岩机(18)机体内的高压水进入所述低压水口(P5)，所述低压水口(P5)内的水输送至所述分流阀主回水口(P2)。
  6. 如权利要求5所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)设置有低压水口(P5)，在水压凿岩机(18)机体内的高压水进入所述低压水口(P5)，所述低压水口(P5)内的水输送至所述分流阀主回水口(P2)。
  7. 如权利要求6所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)设置有分流阀回水口P3，所述分流阀回水口(P3)与所述水压马达回水口(P1)连通，所述水压马达回水口(P1)的水通过分流阀回水口(P3)输送至所述分流 阀主回水口(P2)。
  8. 如权利要求1-7任一所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)设置有分流阀进水口(J2)，所述分流阀进水口(J2)与所述高压泵(16)连通。
  9. 如权利要求8所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)设置有分流阀进水口(J2)，所述分流阀进水口(J2)与所述高压泵(16)连通。
  10. 如权利要求8所述的封闭式水压凿岩机工作系统，其中，
    所述支腿控制阀高压水进口(J4)与所述分流阀进水口(J2)连通，所述支腿控制阀回水口(P4)与所述分流阀主回水口(P2)连通。
  11. 如权利要2所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)的第一端面设置有所述分流阀进水口(J2)和靠近所述分流阀进水口(J2)的位置的所述分流阀主回水口(P2)。
  12. 如权利要求11所述的封闭式水压凿岩机工作系统，其中，
    所述分流阀(19)的第二端面设置有所述高压水出口(J5)和靠近所述分流阀高压水出口(J5)的位置的所述低压水口(P5)。
  13. 如权利要求1所述的封闭式水压凿岩机工作系统，其中，
    所述高压供水系统设置有过滤系统，所述回水系统设置有检测系统。
  14. 如权利要求13所述的封闭式水压凿岩机工作系统，其中，
    所述过滤系统包括精密级过滤器(7)，所述精密级过滤器(7)设置在所述水箱(2)和水压凿岩机(18)的回水连接管上；
    所述检测系统包括第一流量计(1)，所述第一流量计(1)连接在所述精密级过滤器(7)与低压回水口(A)之间。
  15. 如权利要求13所述的封闭式水压凿岩机工作系统，其中，
    所述过滤系统包括精密级过滤器(12)，所述精密级过滤器(12)连接在输送水泵(11)与所述高压泵(16)之间；
    所述检测系统包括第二流量计(13)，所述第二流量计(13)连接在所述精密级过滤器 (12)与所述高压泵(16)之间。
PCT/CN2018/120808 2017-12-20 2018-12-13 一种封闭式水压凿岩机工作系统 WO2019120128A1 (zh)

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