CN208669721U - A kind of drilling machine and its all-hydraulic hand control valve station - Google Patents

A kind of drilling machine and its all-hydraulic hand control valve station Download PDF

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Publication number
CN208669721U
CN208669721U CN201821252326.3U CN201821252326U CN208669721U CN 208669721 U CN208669721 U CN 208669721U CN 201821252326 U CN201821252326 U CN 201821252326U CN 208669721 U CN208669721 U CN 208669721U
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China
Prior art keywords
valve
oil
pressure
way valve
drilling machine
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程永亮
郑大桥
肖前龙
张明明
王博
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China Railway Construction Heavy Industry Group Co Ltd
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China Railway Construction Heavy Industry Group Co Ltd
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Abstract

The utility model discloses a kind of all-hydraulic hand control valve station of drilling machine, including main in-line, main oil return line, it further include several control units that corresponding function is realized for controlling drilling machine ontology, the first end of control unit is connected with main in-line and main oil return line, and second end with drilling machine ontology for being connected；Several control units are respectively included with the proportional multi-way valve for switching the reversing handle of drilling machine ontology working condition.Existing electro hydraulic valve is substituted using several proportional multi-way valves, reduces valve body type, volume becomes smaller, weight；Several proportional multi-way valves all have the reversing handle for switching drilling machine ontology working condition, realize it is all-hydraulic manually controls, avoid external control cabinet or electric cabinet, assemble products from parts tail off, weight, therefore convenient to use.The utility model further relates to a kind of comprising the all-hydraulic drilling machine for manually controlling valve group, and working efficiency is higher.

Description

A kind of drilling machine and its all-hydraulic hand control valve station
Technical field
The utility model relates to technical field of engineering equipment, in particular to the all-hydraulic hand control valve station of a kind of drilling machine. The utility model further relates to a kind of drilling machine.
Background technique
In recent years, development machine is widely applied in constructing tunnel, it, often need to be using super due to the complexity of geological condition The modes such as preceding drill hole of drilling machine or core drilling rig coring carry out forward probe, unlike the application of TBM jumbolter, advanced drilling machine It with core drilling rig system as a kind of follow-up device, is usually detached from development machine, just in the case where needing forward probe geology Equipment is transported in hole and is matched with development machine installation.
However, the hydraulic station of the drilling machines such as existing advanced drilling machine or core drilling rig generallys use electro hydraulic valve, and use In existing drilling machine hydraulic station comprising compared with polymorphic type, greater number of electro hydraulic valve, cause existing one side of hydraulic station Face is inconvenient to transport because of heavier-weight, on the other hand because of broad categories assembly difficulty is become larger；Further, existing brill Machine is often configured with the ancillary equipments such as power control cabinet, remote controler, so that transhipment difficulty is further enlarged.
Therefore, the hydraulic station of existing drilling machine is inconvenient to use.
Utility model content
In view of this, conveniently making the purpose of this utility model is to provide a kind of all-hydraulic hand control valve station of drilling machine With.The utility model further relates to a kind of comprising the above-mentioned all-hydraulic drilling machine for manually controlling valve group, and working efficiency is higher.
Its concrete scheme is as follows:
The utility model provides a kind of all-hydraulic hand control valve station of drilling machine, including main in-line, main oil return line, also wraps Include several control units that corresponding function is realized for controlling drilling machine ontology, the first end of the control unit and the main in-line and The main oil return line is connected, and second end with drilling machine ontology for being connected；Several described control units respectively include having for cutting Change the proportional multi-way valve of the reversing handle of drilling machine ontology working condition.
Preferably, the control unit further include:
The oil inlet branch being connected between the main in-line and the first end of the proportional multi-way valve；
The oil return branch being connected between the main oil return line and the first end of the proportional multi-way valve；
It is connected with the second end of the proportional multi-way valve, the work in-line for being connected respectively with drilling machine ontology and work Oil return line；
The relief circuit being connected between the main oil return line and the second end of the proportional multi-way valve.
It preferably, further include the load-sensitive working connection being connected respectively with control unit described in several, the load-sensitive Working connection includes several connected shuttle valves corresponding with several control units respectively；The control unit further include:
With oil-control mouth and it is set to the oil inlet branch road, the pressure-compensated valve for controlling pressure difference；
It is connected between the shuttle valve and the first end of the proportional multi-way valve and can be alternatively more by the ratio The load-sensitive that road valve is connected with the work in-line and the work oil return line respectively divides oil circuit；
It is connected between the oil return branch and the first end of the proportional multi-way valve, pressed safely for limiting oil circuit The the first pressure limiting oil circuit and the second pressure limiting oil circuit of power, the first pressure limiting oil circuit and the second pressure limiting oil circuit are respectively equipped with first Pressure limiting valve and the second pressure limiting valve；
The pressure control oil circuit being connected between the oil-control mouth of the pressure-compensated valve and the first end of the proportional multi-way valve.
It preferably, further include that measurement interface, load signal interface and pump side valve block, the pump side valve block include:
The filtering oil circuit being connected between the measurement interface and the main in-line, the filtering oil circuit are equipped with filtering Device；
Both ends are connected respectively with the main in-line and the main oil return line and the pump side pressure with load-sensitive hydraulic fluid port Force compensating valve；
Pass in and out connected main pressure limiting valve corresponding with load signal interface and main oil return line respectively；
The pre- pressure drag of hydraulic shock on the load-sensitive working connection, for slowing down the load-sensitive working connection Buddhist nun's valve group.
Preferably, the control unit specifically include impulsive control portion parallel with one another, rotation control unit, Solid rocket engine portion and Clamping bar control unit, the proportional multi-way valve, which specifically includes, to be respectively correspondingly arranged in the impulsive control portion, rotation control unit, promotes control Impact proportional multi-way valve, rotary proportional multi-way valve, propulsion proportional multi-way valve and clamping bar ratio inside portion processed and clamping bar control unit Multi-way valve, the shuttle valve specifically include be connected with the load-sensitive working connection and be respectively correspondingly arranged in the impulsive control portion, Impact shuttle valve, rotation shuttle valve, propulsion shuttle valve and clamping bar shuttle valve inside rotation control unit, Solid rocket engine portion and clamping bar control unit.
Preferably, the Solid rocket engine portion further includes being respectively used to be connected to drilling machine ontology and the propulsion proportional multi-way valve Second end between propulsion work in-line and promote work oil return line, the rotation control unit further includes being respectively used to connect Rotary work in-line and rotary work oil return line between drilling machine ontology and the second end of the rotary proportional multi-way valve, are also wrapped It includes:
Primary feedback oil circuit for being connected with drilling machine ontology；
Outlet be connected respectively with the propulsion working oil path and the propulsion work oil return line and draining mouth respectively with institute State the anti-sticking pricker control unit that rotary work oil return line is connected with the primary feedback oil circuit；The anti-sticking pricker control unit includes having liquid Control mouth and respectively with the propulsion work in-line and it is described promote the pilot operated directional control valve that is connected of work oil return line and one end with The hydraulic control mouth of the pilot operated directional control valve be connected and the other end respectively with the rotary work oil return line and the primary feedback oil circuit phase Anti-sticking pricker reversal valve even.
Preferably, the control unit includes specially several sub- assist controls parallel with one another, and several sons are auxiliary One end of control unit is helped to be connected respectively with the main in-line and the main oil return line, the other end is connected with drilling machine auxiliary body； The proportional multi-way valve specifically includes several auxiliary multi-channel proportional valves being correspondingly arranged in several described sub- assist controls, institute It states shuttle valve and specifically includes several auxiliary shuttle valves being correspondingly arranged in several described sub- assist controls, the sub- assist control Including the auxiliary oil inlet branch, auxiliary oil return branch, the first auxiliary pressure limiting being connected with the first end of the auxiliary multi-channel proportional valve Oil circuit, the second auxiliary pressure limiting oil circuit, auxiliary pressure control oil circuit and assistant load sensitivity oil circuit further include and the auxiliary multi-channel proportional The connected back work in-line of the second end of valve, back work oil return line and auxiliary relief circuit.
Preferably, further includes:
Both ends are used to connect the buffering oil circuit between the main in-line and drilling machine ontology, for shock absorbing, described slow It rushes oil circuit and is equipped with interconnected buffering pressure reducing valve and buffer throttling valve.
Preferably, Solid rocket engine portion further include: it is described buffering pressure reducing valve oil-control mouth and the propulsion proportional multi-way valve it Between be equipped with propelling pressure regulating loop for adjusting propelling pressure, the propelling pressure regulating loop is equipped with pressure adjustment relief valve.
The utility model also provides a kind of drilling machine, including drilling machine ontology, further includes the as above described in any item and brill The connected all-hydraulic hand control valve station of machine ontology.
With respect to the background art, the utility model provides a kind of all-hydraulic hand control valve station of drilling machine, including main oil inlet Road, main oil return line further include several control units that corresponding function is realized for controlling drilling machine ontology, the first end of the control unit It is connected with the main in-line and the main oil return line, second end with drilling machine ontology for being connected；Several described control sections It does not include with the proportional multi-way valve for switching the reversing handle of drilling machine ontology working condition.
It is utilized respectively several proportional multi-way valves and substitutes existing electro hydraulic valve, drilling machine ontology is made to can be realized same movement Under the premise of, the valve body type for connection reduces, and assembling difficulty is small；While the volume of valve body becomes smaller, weight, transhipment is difficult Degree reduces.Therefore, assembling difficulty and transhipment difficulty reduce.
Further, several proportional multi-way valves all have the reversing handle for switching drilling machine ontology working condition, work When only need to stir reversing handle just that can to make spool mobile, thus realize it is all-hydraulic manually control, avoid external control cabinet or electricity Cabinet, assemble products from parts tail off, weight, therefore assemble difficulty and transhipment difficulty is further reduced.
Therefore, the all-hydraulic hand control valve station of drilling machine provided by the utility model is easy to use.
The utility model further relates to a kind of comprising the all-hydraulic drilling machine for manually controlling valve group, due to convenient to use, invalid work Make time reduction, and labor intensity reduces, therefore working efficiency is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 provides the all-hydraulic hydraulic schematic diagram for manually controlling valve group by a kind of specific embodiment of the utility model；
Appended drawing reference is as follows:
Main in-line P, main oil return line R, load-sensitive working connection LS, primary feedback oil circuit L, measurement interface M, load signal connect Mouth DW, load pressure signal import Y and outlet interface T；
Drilling machine ontology 01 and drilling machine auxiliary body 02；
Impulsive control portion 1, rotation control unit 2, Solid rocket engine portion 3, clamping bar control unit 4, anti-sticking pricker control unit 5, sub- auxiliary Control unit 6, pump side valve block 7, buffering oil circuit 8, flushing water control unit 9 and lubrication gas control unit 10；
Impact proportional multi-way valve 11, impact shuttle valve 12, impact oil inlet branch 13, impact oil return branch 14, impact work into Oil circuit 151, impact work oil return line 152, impact relief circuit 16, impact load sensitivity divide oil circuit 17, first to impact pressure limiting valve 181 and second impact pressure limiting valve 182；
Surge recuperation valve 131；
Rotary proportional multi-way valve 21, rotation shuttle valve 22, rotation oil inlet branch 23, rotation oil return branch 24, rotary work into Oil circuit 251, rotary work oil return line 252, rotation relief circuit 26, rotary load sensitivity divide oil circuit 27, first to rotate pressure limiting valve 281 and second rotate pressure limiting valve 282；
Rotational pressure recuperation valve 231；
First ball valve 2511 and the second ball valve 2521；
Promote proportional multi-way valve 31, promote shuttle valve 32, promote oil inlet branch 33, promote oil return branch 34, promote work into Oil circuit 351 promotes work oil return line 352, promotes relief circuit 36, promotes load-sensitive that oil circuit 37, first is divided to promote pressure limiting valve 381, it second promotes pressure limiting valve 382 and promotes regulating loop 39；
Propelling pressure recuperation valve 331；
Promote pressure adjustment relief valve 391；
Clamping bar proportional multi-way valve 41, clamping bar shuttle valve 42, clamping bar oil inlet branch 43, clamping bar oil return branch 44, clamping bar work into Oil circuit 451, clamping bar work oil return line 452, clamping bar relief circuit 46, clamping bar load-sensitive divide oil circuit 47, the first clamping bar pressure limiting valve 481 and the second clamping bar pressure limiting valve 482；
Clamping bar pressure-compensated valve 431；
Pilot operated directional control valve 51 and anti-sticking pricker reversal valve 52；
Auxiliary ratio multi-way valve 61, auxiliary shuttle valve 62, auxiliary oil inlet branch 63, auxiliary oil return branch 64, back work into Oil circuit 651, back work oil return line 652, auxiliary relief circuit 66, assistant load sensitivity divide oil circuit 67, first to assist pressure limiting valve 681 and second assist pressure limiting valve 682；
Aux. pressure recuperation valve 631；
Filter 71, pump side pressure-compensated valve 72, main pressure limiting valve 73 and precompressed damp valve group 74；
Buffer pressure reducing valve 81 and buffer throttling valve 82；
Third ball valve 91；
4th ball valve 101, filter 102, lubrication gas pressure reducing valve 103 and oil sprayer 104.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation The utility model is described in further detail for mode.
Referring to FIG. 1, Fig. 1 provides the all-hydraulic liquid for manually controlling valve group by a kind of specific embodiment of the utility model Press schematic diagram.
The utility model embodiment discloses a kind of all-hydraulic hand control valve station of drilling machine, including main in-line P and master Oil return line R, further includes several control units that corresponding function is realized for controlling drilling machine ontology 01, the first end of control unit and it is main into Oil circuit P is connected with main oil return line R, and second end with drilling machine ontology 01 for being connected, in the premise that can be realized existing drilling machine function Under, valve body type reduces, and assembling difficulty is small.Further, several control units respectively include having for switching drilling machine ontology The proportional multi-way valve of the reversing handle of 01 working condition avoids external control cabinet or electric cabinet, and assemble products from parts tail off, weight becomes Gently, assembling difficulty and transhipment difficulty are further reduced.Therefore, the all-hydraulic manual control of drilling machine provided by the utility model Valve station processed is convenient to use.
Each control unit further includes oil inlet branch, oil return branch, work in-line, work oil return line and relief circuit, with Just cooperate several multi-channel proportional valves that drilling machine ontology 01 is made to realize corresponding function.Wherein, oil inlet branch be connected to main in-line P with Between the first end of proportional multi-way valve, usually it is connected with oil pump, to be 01 fuel feeding of drilling machine ontology.Oil return branch, which is connected to, to be led back Between oil circuit R and the first end of proportional multi-way valve, usually it is connected with oil return box.The both ends point of work in-line and the oil return line that works It is not connected between the second end of proportional multi-way valve and drilling machine ontology 01, works normally drilling machine.Relief circuit is connected to and leads back Between oil circuit R and the second end of proportional multi-way valve, so as to off-load when standby mode.
In order to make oil circuit pressure adapt to the load pressure of drilling machine ontology 01, the utility model further includes several control unit phases Load-sensitive working connection LS even, load-sensitive working connection LS include several connected shuttles corresponding with several control units respectively Valve.Correspondingly, each control unit further includes that pressure-compensated valve, load-sensitive divide oil circuit, the first pressure limiting oil circuit, the second pressure limiting oil circuit With pressure control oil circuit.Wherein, pressure-compensated valve is set to oil inlet branch, is mainly used for controlling pressure difference.Load-sensitive divide oil circuit connection in Between shuttle valve and the first end of proportional multi-way valve and can alternatively by proportional multi-way valve respectively with work in-line and work Oil return line is connected, and is mainly used for the pressure of oil circuit where proportional multi-way valve being transferred to the shuttle valve being attached thereto.First pressure limiting Oil circuit and the second pressure limiting oil circuit are connected between oil return branch and the first end of proportional multi-way valve, in order to limit place oil The safe pressure on road, specifically, the first pressure limiting oil circuit and the second pressure limiting oil circuit are respectively equipped with the first pressure limiting valve and the second pressure limiting valve. Pressure control oil circuit connection between the oil-control mouth of pressure-compensated valve and the first end of proportional multi-way valve, so as to cooperate the first pressure limiting valve and The pressure of control unit where the adjustment of second pressure limiting valve.
In order to cooperate load-sensitive working connection LS to adjust oil circuit pressure jointly with load pressure needed for adapting to drilling machine ontology 01 Power, the utility model further include measurement interface M, load signal interface DW and pump side valve block 7, and wherein pump side valve block 7 includes filtering Oil circuit, pump side pressure-compensated valve 72, main pressure limiting valve 73 and precompressed damp valve group 74.
In this specific embodiment, filtering oil circuit is equipped with filter 71, and the inlet and outlet of filter 71 connect with measurement respectively Mouth M is connected with main in-line P.The both ends of pump side pressure-compensated valve 72 are connected with main in-line P and main oil return line R respectively, and With load-sensitive hydraulic fluid port, so that the pressure of oil feed pump adapts to the variation of load pressure automatically.Pump side pressure-compensated valve 72 is preferred Bi-bit bi-pass reversal valve, the import of the reversal valve are connected with main in-line P and main oil return line R respectively, and two sides respectively set one point The load-sensitive hydraulic fluid port not being connected with main in-line P and load signal interface DW.The inlet and outlet of main pressure limiting valve 73 respectively with load Signaling interface DW is connected with main oil return line R, to limit the pressure of entire hydraulic circuit.It is quick set on loading that precompressed damps valve group 74 Feel on working connection LS, it is hydraulic on load-sensitive working connection LS to slow down for the pressure for the sensitive working connection LS that balances the load Impact and concussion.
Specifically, precompressed damping valve group 74 include throttle valve on the load-sensitive working connection LS and with the throttle valve simultaneously The precompression valve and check valve that connection and inlet and outlet are connected with load-sensitive working connection LS.
In this specific embodiment, control unit specifically includes impulsive control portion 1 parallel with one another, rotation control unit 2, promotes Control unit 3 and clamping bar control unit 4, impulsive control portion 1, rotation control unit 2, one end of Solid rocket engine portion 3 and clamping bar control unit 4 are equal It is connected with main in-line P, main oil return line R, and the other end is connected with drilling machine ontology 01, it is right respectively to control drilling machine ontology 01 It should realize impact, forward and reverse rotation, propulsion and retrogressing, clamping and unclamp the movement such as drilling rod.
Correspondingly, proportional multi-way valve specifically includes the impulsive control portion 1 that is respectively correspondingly arranged in, rotation control unit 2, Solid rocket engine Impact proportional multi-way valve 11, rotary proportional multi-way valve 21, propulsion proportional multi-way valve 31 and folder inside portion 3 and clamping bar control unit 4 Bar proportional multi-way valve 41, shuttle valve, which is specifically included, is connected with load-sensitive working connection LS and is respectively correspondingly arranged in impulsive control portion 1, rotation Turn the impact shuttle valve 12 inside control unit 2, Solid rocket engine portion 3 and clamping bar control unit 4, rotation shuttle valve 22, promote shuttle valve 32 and folder Bar shuttle valve 42.
In this specific embodiment, impulsive control portion 1 includes impact proportional multi-way valve 11, impact shuttle valve 12, impact oil inlet Branch 13, impact oil return branch 14, impact work in-line 151, impact work oil return line 152, impact relief circuit 16, impact Load-sensitive divides oil circuit 17, first to impact pressure limiting oil circuit, the second impact pressure limiting oil circuit and impact pressure control oil circuit.
The spool function for impacting proportional multi-way valve 11 is specially H-type, and there are three working positions for tool, to make drilling machine ontology 01 Power head realizes the functions such as aperture impact and rock drilling impact.Impacting proportional multi-way valve 11 includes for being connected with main in-line P First end and second end for being connected with drilling machine ontology 01.The reversing handle of impact proportional multi-way valve 11 has any positioning function Can, can work angle range be ± 31 °.The reversing handle of impact proportional multi-way valve 11 mainly limits its operation using stop screw Direction avoids reverse operating that the pressure oil for impacting oil inlet branch 13 is caused to be directly entered in impact oil return branch 14 and damage drilling machine Ontology 01；Stop screw limits the maximum work angle of the reversing handle of impact proportional multi-way valve 11 simultaneously, and then controls impact Flow is required flow.
Impact shuttle valve 12 is connected to impact load sensitivity and divides on oil circuit 17 and on load-sensitive working connection LS, is mainly used for obtaining The oil liquid pressure in impulsive control portion 1 is taken, to cooperate other shuttle valves by maximum oil circuit pressure signal transmission to the main oil of load-sensitive On the LS of road.
Impact oil inlet branch 13 is connected to main in-line P and impacts between the first end of proportional multi-way valve 11, is mainly used for Realize that the component of impact provides the oil liquid with certain pressure for drilling machine ontology 01.In order to guarantee the inlet and outlet in impulsive control portion 1 Pressure is constant, and impact oil inlet branch 13 is equipped with the surge recuperation valve 131 with oil-control mouth, to adjust its place oil circuit Pressure, in this specific embodiment, surge recuperation valve 131 preferably determine differential pressure valve.
Impact oil return branch 14 is connected to main oil return line R and impacts between the first end of proportional multi-way valve 11, is mainly used for With the impact cooperation of oil inlet branch 13 to facilitate oil liquid to be back to fuel tank.
Impact work in-line 151 and impact one end of work oil return line 152 respectively with impact the of proportional multi-way valve 11 Two ends are connected, and the other end for impacting work in-line 151 and impact work oil return line 152 is connected with drilling machine ontology 01 respectively, with It controls the power head of drilling machine ontology 01 and impacts rock mass with different pressures, so that drilling machine ontology 01 be enable to realize that aperture is impacted respectively Two kinds of movements are impacted with rock drilling.
Impact relief circuit 16 is connected to main oil return line R and impacts between the second end of proportional multi-way valve 11, to impact Proportional multi-way valve 11 facilitates off-load at middle position.
Impact load sensitivity divides oil circuit 17 to be connected to impact shuttle valve 12 and impact between the first end of proportional multi-way valve 11, and Can alternatively it be connected respectively with impact work in-line 151 and impact work oil return line 152 by impact proportional multi-way valve 11 It is logical.Specifically, impact proportional multi-way valve 11 second end have be equipped with two respectively with hit work in-line and impact work Branch's oil circuit that oil return line 152 is connected can to impact shuttle valve 12 when impacting the different operating of proportional multi-way valve 11 Obtain the maximum pressure of current oil circuit.
First impact pressure limiting oil circuit and the second impact pressure limiting oil circuit are connected to impact oil return branch 14 and impact ratio Between the first end of multi-way valve 11, and the first impact pressure limiting oil circuit and the second impact pressure limiting oil circuit are in parallel, are mainly used for limiting punching Hit the safe pressure of oil return branch 14.The first impact limit is respectively equipped on first impact pressure limiting oil circuit and the second impact pressure limiting oil circuit Pressure valve 181 and the second impact pressure limiting valve 182, the first impact pressure limiting valve 181 and the second impact preferred overflow valve of pressure limiting valve 182.
Pressure control oil circuit connection is impacted in the first end of the oil-control mouth of surge recuperation valve 131 and impact proportional multi-way valve 11 Between, it should be pointed out that since the spool of impact proportional multi-way valve 11 is there are two types of shift position, correspondingly impact proportional multi-path There are two the connectors for connecting impact pressure control oil circuit for the first end of valve 11.
When impact proportional multi-way valve 11 is in middle position, the oil liquid in drilling machine ontology 01 flows into impact work in-line 151 With impact work oil return line 152, and flowed into main oil return line R through impact proportional multi-way valve 11 by impact oil return branch 14；Meanwhile When the pressure for impacting oil inlet branch 13 is larger, the oil liquid flowed out from main in-line P flows into impact oil inlet branch 13, through percussive pressure The oil-control mouth of force compensating valve 131 flows into impact pressure control oil circuit, then is flowed back through impact proportional multi-way valve 11 by impact relief circuit 16 To main oil return line R.
When impacting proportional multi-way valve 11 in first, namely impact proportional multi-way valve 11 is relative to the current of attached drawing 1 Position moves up, and oil liquid is flowed into impact oil inlet branch 13 by main in-line P, successively through surge recuperation valve 131 and impulse ratio Example multi-way valve 11 is flowed into drilling machine ontology 01 by impact work in-line 151, and then the oil liquid in drilling machine ontology 01 is by impact work Make the outflow of oil return line 152, then flow into main oil return line R from impact oil return branch 14 through impact proportional multi-way valve 11, to make drilling machine Ontology 01 realizes aperture impact；At the same time, the part oil liquid impacted in work in-line 151 successively passes through and impact proportional multi-path The connected branch's oil circuit of the second end of valve 11 and impact proportional multi-way valve 11 flow into impact load sensitivity and divide oil circuit 17, impact shuttle valve 12 obtain the oil liquid pressure in the impact impulsive control portion 1 at first of proportional multi-way valve 11；It is reached when flowing into impact oil inlet branch 13 When to surge 131 preset pressure value of recuperation valve, the part oil liquid in oil inlet branch 13 is impacted by surge recuperation valve 131 Oil-control mouth flow into impact pressure control oil circuit, the interface for being impacted proportional multi-way valve 11 flows into the first impact pressure limiting oil circuit, by the One impact pressure limiting valve 181 flows into impact oil return branch 14 after depressurizing.
When impact proportional multi-way valve 11 is in second, namely impact proportional multi-way valve 11 is relative to the current of attached drawing 1 Position moves down, and oil liquid is flowed into impact oil inlet branch 13 by main in-line P, successively through surge recuperation valve 131 and impulse ratio Example multi-way valve 11 is flowed into drilling machine ontology 01 by impact work oil return line 152, and then the oil liquid in drilling machine ontology 01 is by impact work Make the outflow of in-line 151, then flow into main oil return line R from impact oil return branch 14 through impact proportional multi-way valve 11, to make drilling machine Ontology 01 realizes rock drilling impact；At the same time, the part oil liquid in work oil return line 152 is impacted successively through another and impact ratio The connected branch's oil circuit of the second end of multi-way valve 11 and impact proportional multi-way valve 11 flow into impact load sensitivity and divide oil circuit 17, impact Shuttle valve 12 obtains the oil liquid pressure in the impact impulsive control portion 1 at first of proportional multi-way valve 11；Oil inlet branch is impacted when flowing into 13 when reaching surge 131 preset pressure value of recuperation valve, and the part oil liquid impacted in oil inlet branch 13 is compensated by surge The oil-control mouth of valve 131 flows into impact pressure control oil circuit, and another interface for being impacted proportional multi-way valve 11 flows into the second impact pressure limiting oil Road flows into impact oil return branch 14 after depressurizing by the second impact pressure limiting valve 182, and then flows into main oil return line R.
In this specific embodiment, rotation control unit 2 includes rotary proportional multi-way valve 21, rotation shuttle valve 22, rotation oil inlet Branch 23, rotation oil return branch 24, rotary work in-line 251, rotary work oil return line 252, rotation relief circuit 26, rotation Load-sensitive divides oil circuit 27, first to rotate pressure limiting oil circuit, the second rotation pressure limiting oil circuit and rotation pressure control oil circuit.
The spool function of rotary proportional multi-way valve 21 is specially H-type, and there are three working positions for tool, to make drilling machine ontology 01 Power head realizes forward and reverse rotation.Rotary proportional multi-way valve 21 include first end for being connected with main in-line P and for The connected second end of drilling machine ontology 01.The reversing handle of rotary proportional multi-way valve 21 also has any positioning function, can operation angle Spending range is ± 31 °.The reversing handle of rotary proportional multi-way valve 21 mainly limits it using stop screw and rotated forward and reverse Maximum work angle in journey, to control rotating flow by the reversing handle of operation rotary proportional multi-way valve 21 within this range Amount output is required flow.
Rotation shuttle valve 22 is connected to rotary load sensitivity and divides on oil circuit 27 and on load-sensitive working connection LS, is mainly used for obtaining The oil liquid pressure of rotation control unit 2 is taken, to cooperate other shuttle valves by maximum oil circuit pressure signal transmission to the main oil of load-sensitive On the LS of road.
Rotation oil inlet branch 23 is connected between main in-line P and the first end of rotary proportional multi-way valve 21, is mainly used for The oil liquid with certain pressure is provided for the corresponding component of drilling machine ontology 01.In order to guarantee the inlet and outlet pressure of rotation control unit 2 Constant, rotation oil inlet branch 23 is equipped with the rotational pressure recuperation valve 231 with oil-control mouth, to adjust the pressure of its place oil circuit Power, in this specific embodiment, rotational pressure recuperation valve 231 preferably determine differential pressure valve.
Rotation oil return branch 24 is connected between main oil return line R and the first end of rotary proportional multi-way valve 21, is mainly used for With the rotation cooperation of oil inlet branch 23 to facilitate oil liquid to be back to fuel tank.
One end of rotary work in-line 251 and rotary work oil return line 252 respectively with rotary proportional multi-way valve 21 Two ends are connected, and the other end of rotary work in-line 251 and rotary work oil return line 252 is connected with drilling machine ontology 01 respectively, with The power head for controlling drilling machine ontology 01 realizes positive and negative rotation.It is pointed out that rotary work in-line 251 and rotary work oil return The first ball valve 2511 and the second ball valve 2521 to build the pressure is respectively provided on road 252, so as to by first rotation pressure limiting oil circuit and Second rotation pressure limiting oil circuit is adjusted to required maximum rotational pressure.
Rotation relief circuit 26 is connected between main oil return line R and the second end of rotary proportional multi-way valve 21, to rotate Proportional multi-way valve 21 facilitates off-load at middle position.
Rotary load sensitivity divides oil circuit 27 to be connected between rotation shuttle valve 22 and the first end of rotary proportional multi-way valve 21, and Can alternatively it be connected respectively with rotary work in-line 251 and rotary work oil return line 252 by rotary proportional multi-way valve 21 It is logical.Specifically, the second end of rotary proportional multi-way valve 21 have be equipped with two respectively with hit work in-line and rotary work Branch's oil circuit that oil return line 252 is connected can to rotate shuttle valve 22 in the different operating of rotary proportional multi-way valve 21 Obtain the maximum pressure of current oil circuit.
First rotation pressure limiting oil circuit and the second rotation pressure limiting oil circuit are connected to rotation oil return branch 24 and rotary proportional Between the first end of multi-way valve 21, and the first rotation pressure limiting oil circuit and the second rotation pressure limiting oil circuit are in parallel, are mainly used for limiting rotation Go back to the safe pressure of oily branch 24.The first rotation limit is respectively equipped on first rotation pressure limiting oil circuit and the second rotation pressure limiting oil circuit Pressure valve 281 and the second rotation pressure limiting valve 282, the first rotation pressure limiting valve 281 and the second rotation preferred overflow valve of pressure limiting valve 282.
Pressure control oil circuit connection is rotated in the oil-control mouth of rotational pressure recuperation valve 231 and the first end of rotary proportional multi-way valve 21 Between, it should be pointed out that since the spool of rotary proportional multi-way valve 21 is there are two types of shift position, correspondingly rotary proportional multichannel There are two the connectors for connecting rotation pressure control oil circuit for the first end of valve 21.
When rotary proportional multi-way valve 21 is in middle position, the oil liquid in drilling machine ontology 01 flows into rotary work in-line 251 With rotary work oil return line 252, the first ball valve 2511 and the second ball valve 2521 are flowed through, then through rotary proportional multi-way valve 21 by rotating Oil return branch 24 flows into main oil return line R；Meanwhile when the pressure for rotating oil inlet branch 23 is larger, flowed out from main in-line P Oil liquid flows into rotation oil inlet branch 23, and the oil-control mouth through rotational pressure recuperation valve 231 flows into rotation pressure control oil circuit, then through speed ratio Example multi-way valve 21 is back to main oil return line R by rotation relief circuit 26.
When rotary proportional multi-way valve 21 is in first namely rotary proportional multi-way valve 21 is relative to the current of attached drawing 1 Position moves up, and oil liquid is flowed into rotation oil inlet branch 23 by main in-line P, successively through rotational pressure recuperation valve 231, rotary proportional Multi-way valve 21 and the first ball valve 2511 are flowed into drilling machine ontology 01 by rotary work in-line 251, then in drilling machine ontology 01 Oil liquid is flowed out through the second ball valve 2521 by rotary work oil return line 252, then through rotary proportional multi-way valve 21 from rotation oil return branch 24 flow into main oil return line R, reversely rotate so that drilling machine ontology 01 be made to realize；At the same time, the portion in rotary work in-line 251 Branch oil circuit and rotary proportional multi-way valve 21 of the oil liquid successively through being connected with the second end of rotary proportional multi-way valve 21 is divided to flow into rotation Turn load-sensitive and divide oil circuit 27, rotation shuttle valve 22 obtains the oil liquid of the rotation control unit 2 at first of rotary proportional multi-way valve 21 Pressure；When inflow rotation oil inlet branch 23 reaches rotational pressure 231 preset pressure value of recuperation valve, rotate in oil inlet branch 23 Part oil liquid flows into rotation pressure control oil circuit, the interface through rotary proportional multi-way valve 21 by the oil-control mouth of rotational pressure recuperation valve 231 The first rotation pressure limiting oil circuit is flowed into, flows into rotation oil return branch 24 after depressurizing by the first rotation pressure limiting valve 281.
When rotary proportional multi-way valve 21 is in second namely rotary proportional multi-way valve 21 is relative to the current of attached drawing 1 Position moves down, and oil liquid is flowed into rotation oil inlet branch 23 by main in-line P, successively through rotational pressure recuperation valve 231, rotary proportional Multi-way valve 21 and the second ball valve 2521 are flowed into drilling machine ontology 01 by rotary work oil return line 252, then in drilling machine ontology 01 Oil liquid is flowed out through the first ball valve 2511 by rotary work in-line 251, then through rotary proportional multi-way valve 21 from rotation oil return branch 24 flow into main oil return line R, so that the realization of drilling machine ontology 01 be made to rotate in the forward direction；At the same time, the portion in rotary work oil return line 252 The branch's oil circuit and rotary proportional multi-way valve 21 for dividing oil liquid to be successively connected through another second end with rotary proportional multi-way valve 21 flow Enter rotary load sensitivity and divide oil circuit 27, rotation shuttle valve 22 obtains the rotation control unit 2 at first of rotary proportional multi-way valve 21 Oil liquid pressure；When inflow rotation oil inlet branch 23 reaches rotational pressure 231 preset pressure value of recuperation valve, oil inlet branch 23 is rotated Interior part oil liquid flows into rotation pressure control oil circuit by the oil-control mouth of rotational pressure recuperation valve 231, through rotary proportional multi-way valve 21 Another interface flows into the second rotation pressure limiting oil circuit, flows into rotation oil return branch 24 after depressurizing by the second rotation pressure limiting valve 282, into And flow into main oil return line R.
In this specific embodiment, Solid rocket engine portion 3 includes promoting proportional multi-way valve 31, promoting shuttle valve 32, promote oil inlet Branch 33 promotes oil return branch 34, promotes work in-line 351, promote work oil return line 352, promote relief circuit 36, promote Load-sensitive divides oil circuit 37, first that pressure limiting oil circuit, second is promoted to promote pressure limiting oil circuit and promote pressure control oil circuit.
The spool function for promoting proportional multi-way valve 31 is specially L-type, and there are three working positions for tool, to make drilling machine ontology 01 Power head, which is realized, to be promoted or retreats, so that drilling rod is close to or far from rock mass.Promote proportional multi-way valve 31 include for main oil inlet Road P connected first end and the second end for being connected with drilling machine ontology 01.The reversing handle of proportional multi-way valve 31 is promoted also to have Standby any positioning function, can work angle range be ± 31 °.The reversing handle of proportional multi-way valve 31 is promoted mainly to utilize limit spiral shell Nail limits its maximum work angle in forward and reverse rotation process, to pass through operation rotary proportional multi-way valve within this range It is required flow that 21 reversing handle control, which promotes flow output,.
Promoting shuttle valve 32 to be connected to promotes load-sensitive to divide on oil circuit 37 and on load-sensitive working connection LS, is mainly used for obtaining The oil liquid pressure in Solid rocket engine portion 3 is taken, to cooperate other shuttle valves by maximum oil circuit pressure signal transmission to the main oil of load-sensitive On the LS of road.
It promotes oil inlet branch 33 to be connected between main in-line P and the first end for promoting proportional multi-way valve 31, is mainly used for The oil liquid with certain pressure is provided for the corresponding component of drilling machine ontology 01.In order to guarantee the inlet and outlet pressure in Solid rocket engine portion 3 It is constant, promote oil inlet branch 33 to be equipped with the propelling pressure recuperation valve 331 with oil-control mouth, to adjust the pressure of its place oil circuit Power, in this specific embodiment, propelling pressure recuperation valve 331 preferably determine differential pressure valve.
It promotes oil return branch 34 to be connected between main oil return line R and the first end for promoting proportional multi-way valve 31, is mainly used for Cooperate with oil inlet branch 33 is promoted to facilitate oil liquid to be back to fuel tank.
The for promoting work in-line 351 and promoting one end of work oil return line 352 respectively with propulsion proportional multi-way valve 31 Two ends are connected, and promote work in-line 351 and the other end of work oil return line 352 is promoted to be connected respectively with drilling machine ontology 01, with The power head for controlling drilling machine ontology 01, which is realized, to be promoted or retreats.
Relief circuit 36 is promoted to be connected between main oil return line R and the second end for promoting proportional multi-way valve 31, to promote Proportional multi-way valve 31 facilitates off-load at middle position.
It promotes load-sensitive that oil circuit 37 is divided to be connected to promote between shuttle valve 32 and the first end for promoting proportional multi-way valve 31, and It can be alternatively by promoting proportional multi-way valve 31 to be connected respectively with work in-line 351 and propulsion work oil return line 352 is promoted It is logical.Specifically, promote proportional multi-way valve 31 second end have be equipped with two respectively with hit work in-line and propulsion work Branch's oil circuit that oil return line 352 is connected, to promote shuttle valve 32 can when promoting the different operating of proportional multi-way valve 31 Obtain the maximum pressure of current oil circuit.
First propulsion pressure limiting oil circuit and the second propulsion pressure limiting oil circuit are connected to and promote oil return branch 34 and propulsion ratio Between the first end of multi-way valve 31, and first promotes pressure limiting oil circuit and second to promote pressure limiting oil circuit in parallel, is mainly used for restriction and pushes away The safe pressure of oil inlet and oil return branch 34.The first propulsion limit is respectively equipped on first propulsion pressure limiting oil circuit and the second propulsion pressure limiting oil circuit Pressure valve 381 and second promotes pressure limiting valve 382, and first promotes pressure limiting valve 381 and second to promote the preferred overflow valve of pressure limiting valve 382.
It promotes pressure control oil circuit connection in the oil-control mouth of propelling pressure recuperation valve 331 and promotes the first end of proportional multi-way valve 31 Between, it should be pointed out that due to promoting the spool of proportional multi-way valve 31, there are two types of shift positions, correspondingly promote proportional multi-path There are two for connecting the connector for promoting pressure control oil circuit for the first end of valve 31.
When promoting proportional multi-way valve 31 to be in middle position, with the increase for the pressure for promoting oil inlet branch 33, from main oil inlet The oil liquid of road P outflow, which flows into, promotes oil inlet branch 33, and the oil-control mouth through propelling pressure recuperation valve 331, which flows into, promotes pressure control oil circuit, Again through promoting proportional multi-way valve 31 to be back to main oil return line R by propulsion relief circuit 36.
When promoting proportional multi-way valve 31 to be in first, namely promote proportional multi-way valve 31 relative to the current of attached drawing 1 Position moves up, and oil liquid is flowed by main in-line P and promoted in oil inlet branch 33, successively through propelling pressure recuperation valve 331 and impelling ratio Example multi-way valve 31 is flowed into drilling machine ontology 01 by propulsion work in-line 351, and then the oil liquid in drilling machine ontology 01 is by propulsion work Make the outflow of oil return line 352, then promoted proportional multi-way valve 31 from promoting oil return branch 34 to flow into main oil return line R, to make drilling machine Ontology 01, which is realized, to be promoted；At the same time, the part oil liquid in work in-line 351 is promoted successively to pass through and promote proportional multi-way valve 31 The connected branch's oil circuit of second end and promote proportional multi-way valve 31 to flow into promote load-sensitive to divide oil circuit 37, shuttle valve 32 is promoted to obtain Take the oil liquid pressure for promoting the Solid rocket engine portion 3 at first of proportional multi-way valve 31；It is pushed away when inflow promotes oil inlet branch 33 to reach When into 331 preset pressure value of pressure-compensated valve, promote the part oil liquid in oil inlet branch 33 by the control of propelling pressure recuperation valve 331 Hydraulic fluid port, which flows into, promotes pressure control oil circuit, is promoted the interface of proportional multi-way valve 31 to flow into first and promotes pressure limiting oil circuit, pushed away by first It is flowed into after being depressurized into pressure limiting valve 381 and promotes oil return branch 34.
When promoting proportional multi-way valve 31 to be in second, namely promote proportional multi-way valve 31 relative to the current of attached drawing 1 Position moves down, and oil liquid is flowed by main in-line P and promoted in oil inlet branch 33, successively through propelling pressure recuperation valve 331 and impelling ratio Example multi-way valve 31 is flowed into drilling machine ontology 01 by propulsion work oil return line 352, and then the oil liquid in drilling machine ontology 01 is by propulsion work Make the outflow of in-line 351, then promoted proportional multi-way valve 31 from promoting oil return branch 34 to flow into main oil return line R, to make drilling machine Ontology 01, which is realized, to be retreated；At the same time, promote the part oil liquid in work oil return line 352 successively through another and propulsion proportional multi-path The connected branch's oil circuit of the second end of valve 31 and propulsion proportional multi-way valve 31 flow into and load-sensitive are promoted to divide oil circuit 37, promote shuttle valve 32 obtain the oil liquid pressure for promoting the Solid rocket engine portion 3 at first of proportional multi-way valve 31；Oil inlet branch 33 is promoted to reach when flowing into When to propelling pressure 331 preset pressure value of recuperation valve, promote the part oil liquid in oil inlet branch 33 by propelling pressure recuperation valve 331 Oil-control mouth flow into promote pressure control oil circuit, through promote proportional multi-way valve 31 another interface flow into second promote pressure limiting oil circuit, lead to It crosses after the second propulsion pressure limiting valve 382 depressurizes to flow into and promotes oil return branch 34, and then flow into main oil return line R.
In this specific embodiment, clamping bar control unit 4 includes clamping bar proportional multi-way valve 41, clamping bar shuttle valve 42, clamping bar oil inlet Branch 43, clamping bar oil return branch 44, clamping bar work in-line 451, clamping bar work oil return line 452, clamping bar relief circuit 46, clamping bar Load-sensitive divides oil circuit 47, the first clamping bar pressure limiting oil circuit, the second clamping bar pressure limiting oil circuit and clamping bar pressure control oil circuit.
The spool function of clamping bar proportional multi-way valve 41 is specially L-type, and there are three working positions for tool, to press from both sides drilling machine ontology 01 Tight or release drilling machine.Clamping bar proportional multi-way valve 41 includes first end for being connected with main in-line P and is used for and drilling machine ontology 01 connected second end.The reversing handle of clamping bar proportional multi-way valve 41 has three operating positions, to make drilling machine ontology 01 Tongs device attached to crane for ship building clamp or release drilling rod.
Clamping bar shuttle valve 42 is connected to clamping bar load-sensitive and divides on oil circuit 47 and on load-sensitive working connection LS, is mainly used for obtaining The oil liquid pressure of clamping bar control unit 4 is taken, to cooperate other shuttle valves by maximum oil circuit pressure signal transmission to the main oil of load-sensitive On the LS of road.
Clamping bar oil inlet branch 43 is connected between main in-line P and the first end of clamping bar proportional multi-way valve 41, is mainly used for The oil liquid with certain pressure is provided for 01 corresponding component of drilling machine ontology.Inlet and outlet pressure in order to guarantee clamping bar control unit 4 is permanent Fixed, clamping bar oil inlet branch 43 is equipped with the clamping bar pressure-compensated valve 431 with oil-control mouth, to adjust the pressure of its place oil circuit, In this specific embodiment, clamping bar pressure-compensated valve 431 preferably determines differential pressure valve.
Clamping bar oil return branch 44 is connected between main oil return line R and the first end of clamping bar proportional multi-way valve 41, is mainly used for Cooperate with clamping bar oil inlet branch 43 to facilitate oil liquid to be back to fuel tank.
Clamping bar work in-line 451 and clamping bar work oil return line 452 one end respectively with clamping bar proportional multi-way valve 41 the Two ends are connected, and the other end of clamping bar work in-line 451 and clamping bar work oil return line 452 is connected with drilling machine ontology 01 respectively, with The clamp or release drilling for controlling drilling machine ontology 01, from easy disassembly drilling rod.
Clamping bar relief circuit 46 is connected between main oil return line R and the second end of clamping bar proportional multi-way valve 41, so as to clamping bar Proportional multi-way valve 41 facilitates off-load at middle position.
Clamping bar load-sensitive divides oil circuit 47 to be connected between clamping bar shuttle valve 42 and the first end of clamping bar proportional multi-way valve 41, and The oil return line 452 that can alternatively be worked respectively with clamping bar work in-line 451 and clamping bar by clamping bar proportional multi-way valve 41 is connected It is logical.Specifically, the second end of clamping bar proportional multi-way valve 41 have be equipped with two respectively with hit work in-line and clamping bar and work Branch's oil circuit that oil return line 452 is connected, so that clamping bar shuttle valve 42 can in the different operating of clamping bar proportional multi-way valve 41 Obtain the maximum pressure of current oil circuit.
First clamping bar pressure limiting oil circuit and the second clamping bar pressure limiting oil circuit are connected to clamping bar oil return branch 44 and clamping bar ratio Between the first end of multi-way valve 41, and the first clamping bar pressure limiting oil circuit and the second clamping bar pressure limiting oil circuit are in parallel, are mainly used for limiting folder The safe pressure of bar oil return branch 44.The first clamping bar limit is respectively equipped on first clamping bar pressure limiting oil circuit and the second clamping bar pressure limiting oil circuit Pressure valve 481 and the second clamping bar pressure limiting valve 482, the first clamping bar pressure limiting valve 481 and the preferred overflow valve of the second clamping bar pressure limiting valve 482.
Clamping bar pressure control oil circuit connection is in the oil-control mouth of clamping bar pressure-compensated valve 431 and the first end of clamping bar proportional multi-way valve 41 Between, it should be pointed out that since the spool of clamping bar proportional multi-way valve 41 is there are two types of shift position, correspondingly clamping bar proportional multi-path There are two the connectors for connecting clamping bar pressure control oil circuit for the first end of valve 41.
When clamping bar proportional multi-way valve 41 is in middle position, with the increase of the pressure of clamping bar oil inlet branch 43, from main oil inlet The oil liquid of road P outflow flows into clamping bar oil inlet branch 43, flows into clamping bar pressure control oil by the oil-control mouth of clamping bar pressure-compensated valve 431 Road, then main oil return line R is back to by clamping bar relief circuit 46 through clamping bar proportional multi-way valve 41.
When clamping bar proportional multi-way valve 41 is in first namely clamping bar proportional multi-way valve 41 is relative to the current of attached drawing 1 Position moves up, and oil liquid is flowed into clamping bar oil inlet branch 43 by main in-line P, successively through clamping bar pressure-compensated valve 431 and clamping bar ratio Example multi-way valve 41 is flowed into drilling machine ontology 01 by clamping bar work in-line 451, and then the oil liquid in drilling machine ontology 01 is by clamping bar work Make the outflow of oil return line 452, then flow into main oil return line R from clamping bar oil return branch 44 through clamping bar proportional multi-way valve 41, to make drilling machine Ontology 01 clamps clamping bar；At the same time, the part oil liquid in clamping bar work in-line 451 successively passes through and clamping bar proportional multi-way valve 41 The connected branch's oil circuit and clamping bar proportional multi-way valve 41 of second end flow into clamping bar load-sensitive and divide oil circuit 47, clamping bar shuttle valve 42 obtains Take the oil liquid pressure of the clamping bar control unit 4 at first of clamping bar proportional multi-way valve 41；Reach folder when flowing into clamping bar oil inlet branch 43 When rod pressure 431 preset pressure value of recuperation valve, part oil liquid in clamping bar oil inlet branch 43 by clamping bar pressure-compensated valve 431 control Hydraulic fluid port flows into clamping bar pressure control oil circuit, and the interface through clamping bar proportional multi-way valve 41 flows into the first clamping bar pressure limiting oil circuit, passes through the first folder Bar pressure limiting valve 481 flows into clamping bar oil return branch 44 after depressurizing.
When clamping bar proportional multi-way valve 41 is in second namely clamping bar proportional multi-way valve 41 is relative to the current of attached drawing 1 Position moves down, and oil liquid is flowed into clamping bar oil inlet branch 43 by main in-line P, successively through clamping bar pressure-compensated valve 431 and clamping bar ratio Example multi-way valve 41 is flowed into drilling machine ontology 01 by clamping bar work oil return line 452, and then the oil liquid in drilling machine ontology 01 is by clamping bar work Make the outflow of in-line 451, then flow into main oil return line R from clamping bar oil return branch 44 through clamping bar proportional multi-way valve 41, to make drilling machine Ontology 01 unclamps drilling rod；At the same time, the part oil liquid in clamping bar work oil return line 452 is successively through another and clamping bar proportional multi-path The connected branch's oil circuit of the second end of valve 41 and clamping bar proportional multi-way valve 41 flow into clamping bar load-sensitive and divide oil circuit 47, clamping bar shuttle valve 42 obtain the oil liquid pressure of the clamping bar control unit 4 at first of clamping bar proportional multi-way valve 41；It is reached when flowing into clamping bar oil inlet branch 43 When to clamping bar 431 preset pressure value of pressure-compensated valve, the part oil liquid in clamping bar oil inlet branch 43 is by clamping bar pressure-compensated valve 431 Oil-control mouth flow into clamping bar pressure control oil circuit, another interface through clamping bar proportional multi-way valve 41 flows into the second clamping bar pressure limiting oil circuit, leads to Clamping bar oil return branch 44 is flowed into after crossing the decompression of the second clamping bar pressure limiting valve 482, and then flows into main oil return line R.
In order to realize anti-sticking pricker function, the utility model further includes the primary feedback oil circuit L for being connected with drilling machine ontology 01 With anti-sticking pricker control unit 5.
Wherein, the outlet of anti-sticking pricker control unit 5 is connected with working oil path 351 and propulsion work oil return line 352 is promoted respectively Logical and draining mouth is connected with rotary work oil return line 252 and primary feedback oil circuit L respectively.In this specific embodiment, anti-sticking pricker control Portion 5 processed includes having hydraulic control mouth and changing respectively with work in-line 351 and the hydraulic control for promoting work oil return line 352 to be connected is promoted Be connected to valve 51 and one end with the hydraulic control mouth of pilot operated directional control valve 51 and the other end respectively with rotary work oil return line 252 and primary feedback Oil circuit L connected anti-sticking pricker reversal valve 52.
Specifically, pilot operated directional control valve 51 is two position and four-way reversing valves, the oil liquid stream of the first working position and the second working position Intrinsic oil liquid stream is pierced on the contrary, being mainly used for changing promoting work in-line 351 and work oil return line 352 being promoted to enter To.
Anti-sticking pricker reversal valve 52 is specially two-bit triplet reversal valve, when being in first, the hydraulic control of pilot operated directional control valve 51 Mouth is connected with primary feedback oil circuit L.When being in second, the hydraulic control mouth and rotary work oil return line 252 of pilot operated directional control valve 51 It is connected.It should be pointed out that the hydraulic control mouth of pilot operated directional control valve 51 is specifically connected to the entrance of the second ball valve 2521.
Other miscellaneous functions are realized in order to facilitate drilling machine ontology 01, and drilling machine ontology 01 generally comprises many auxiliary bodies, example Such as walking mechanism, mill exhauster structure, supporting mechanism.Correspondingly, control unit specially includes several son auxiliary parallel with one another One end of control unit 6, several sub- assist controls 6 is connected with main in-line P and main oil return line R respectively, and the other end is auxiliary with drilling machine Mechanism 02 is helped to be connected；Further, proportional multi-way valve specifically include it is several be correspondingly arranged at it is auxiliary in several sub- assist controls 6 Multi-channel proportional valve is helped, shuttle valve specifically includes several auxiliary shuttle valves 62 being correspondingly arranged in several sub- assist controls 6.
In this specific embodiment, control unit preferably includes the identical sub- assist control 6 of three structures, so as to for not The drilling machine of same type reserves a certain amount of spare interface.By taking one of them sub- assist control 6 as an example, sub- assist control 6 is wrapped Include auxiliary ratio multi-way valve 61, auxiliary shuttle valve 62, auxiliary oil inlet branch 63, auxiliary oil return branch 64, back work in-line 651, back work oil return line 652, auxiliary relief circuit 66, assistant load sensitivity divide oil circuit 67, first to assist pressure limiting oil circuit, the Two auxiliary pressure limiting oil circuits and auxiliary pressure control oil circuit.It should be pointed out that due to the spool function and punching of auxiliary ratio multi-way valve 61 The spool function for hitting proportional multi-way valve 11 is identical, therefore the connection type and impact of each oil circuit of sub- assist control 6 and each valve body Each oil circuit of control unit 1 and the connection type of each valve body correspond to identical.
Specifically, the spool function of auxiliary ratio multi-way valve 61 is specially H-type, including for being connected with main in-line P First end and second end for being connected with drilling machine ontology 01.
Auxiliary shuttle valve 62 is connected to assistant load sensitivity and divides on oil circuit 67 and on load-sensitive working connection LS, assists oil inlet branch Road 63 is connected between main in-line P and the first end of auxiliary ratio multi-way valve 61, and auxiliary oil inlet branch 63, which is equipped with, has oil-control The aux. pressure recuperation valve 631 of mouth, auxiliary oil return branch 64 are connected to the first end of main oil return line R and auxiliary ratio multi-way valve 61 Between；One end of back work in-line 651 and back work oil return line 652 second end with auxiliary ratio multi-way valve 61 respectively It is connected, the other end of back work in-line 651 and back work oil return line 652 is connected with drilling machine ontology 01 respectively；Auxiliary is unloaded Lotus circuit 66 is connected between main oil return line R and the second end of auxiliary ratio multi-way valve 61, and assistant load sensitivity divides oil circuit 67 to connect It is connected between auxiliary shuttle valve 62 and the first end of auxiliary ratio multi-way valve 61, and can alternatively pass through auxiliary ratio multi-way valve 61 It is connected respectively with back work in-line 651 and back work oil return line 652；First auxiliary pressure limiting oil circuit and the second auxiliary limit Pressure oil road is connected between auxiliary oil return branch 64 and the first end of auxiliary ratio multi-way valve 61, the first auxiliary pressure limiting oil circuit Pressure limiting valve 682 is assisted with the first auxiliary pressure limiting valve 681 and second is respectively equipped on the second auxiliary pressure limiting oil circuit, assists pressure control oil circuit It is connected between the oil-control mouth of aux. pressure recuperation valve 631 and the first end of auxiliary ratio multi-way valve 61.
When auxiliary ratio multi-way valve 61 is in middle position, the oil liquid in drilling machine ontology 01 flows into back work in-line 651 With back work oil return line 652, and flowed into main oil return line R through auxiliary ratio multi-way valve 61 by auxiliary oil return branch 64；Meanwhile When the pressure of auxiliary oil inlet branch 63 is larger, the oil liquid flowed out from main in-line P flows into auxiliary oil inlet branch 63, through auxiliary pressure The oil-control mouth of force compensating valve 631 flows into auxiliary pressure control oil circuit, then is flowed back through auxiliary ratio multi-way valve 61 by auxiliary relief circuit 66 To main oil return line R.
When auxiliary ratio multi-way valve 61 is in first namely auxiliary ratio multi-way valve 61 is relative to the current of attached drawing 1 Position moves up, and oil liquid is flowed into auxiliary oil inlet branch 63 by main in-line P, successively through aux. pressure recuperation valve 631 and auxiliary ratio Example multi-way valve 61 is flowed into drilling machine ontology 01 by back work in-line 651, and then the oil liquid in drilling machine ontology 01 is by backman Make the outflow of oil return line 652, then flows into main oil return line R from auxiliary oil return branch 64 through auxiliary ratio multi-way valve 61；At the same time, auxiliary Assistant engineer makees the part oil liquid in in-line 651 successively through branch's oil circuit for being connected with the second end of auxiliary ratio multi-way valve 61 and auxiliary It helps proportional multi-way valve 61 to flow into assistant load sensitivity and divides oil circuit 67, auxiliary shuttle valve 62 obtains auxiliary ratio multi-way valve 61 at first When assist control oil liquid pressure；When inflow auxiliary oil inlet branch 63 reaches aux. pressure 631 preset pressure value of recuperation valve, The part oil liquid in oil inlet branch 63 is assisted to flow into auxiliary pressure control oil circuit by the oil-control mouth of aux. pressure recuperation valve 631, through assisting The interface of proportional multi-way valve 61 flows into the first auxiliary pressure limiting oil circuit, flows into and assists back after being depressurized by the first auxiliary pressure limiting valve 681 Oily branch 64.
When auxiliary ratio multi-way valve 61 is in second namely auxiliary ratio multi-way valve 61 is relative to the current of attached drawing 1 Position moves down, and oil liquid is flowed into auxiliary oil inlet branch 63 by main in-line P, successively through aux. pressure recuperation valve 631 and auxiliary ratio Example multi-way valve 61 is flowed into drilling machine ontology 01 by back work oil return line 652, and then the oil liquid in drilling machine ontology 01 is by backman Make the outflow of in-line 651, then flows into main oil return line R from auxiliary oil return branch 64 through auxiliary ratio multi-way valve 61；At the same time, auxiliary Assistant engineer makees branch's oil circuit that the part oil liquid in oil return line 652 is successively connected through another second end with auxiliary ratio multi-way valve 61 Assistant load sensitivity is flowed into auxiliary ratio multi-way valve 61 and divides oil circuit 67, and auxiliary shuttle valve 62 obtains auxiliary ratio multi-way valve 61 the The oil liquid pressure of assist control at one；Reach 631 preset pressure of aux. pressure recuperation valve when flowing into auxiliary oil inlet branch 63 When value, the part oil liquid in oil inlet branch 63 is assisted to flow into auxiliary pressure control oil circuit, warp by the oil-control mouth of aux. pressure recuperation valve 631 Another interface of auxiliary ratio multi-way valve 61 flows into the second auxiliary pressure limiting oil circuit, flows after being depressurized by the second auxiliary pressure limiting valve 682 Enter to assist oil return branch 64, and then flows into main oil return line R.
For further shock absorbing load, the utility model further includes both ends for connecting main in-line P and drilling machine sheet Buffering oil circuit 8 between body 01, in this specific embodiment, it is gentle that buffering oil circuit 8 is equipped with interconnected buffering pressure reducing valve 81 Rush throttle valve 82, the oil liquid of buffering oil circuit 8 first passes through buffering pressure reducing valve 81 and limits oil liquid to setting pressure, then makes have setting pressure The oil liquid of power flows through buffer throttling valve 82, so that the rebound energy that rock mass generates during rock drilling of drilling machine ontology 01 is absorbed, into And protect each associated components of drilling machine ontology 01.
It is worth noting that, in order to further limit the propelling pressure in Solid rocket engine portion 3, Solid rocket engine portion 3 further includes pushing away Into regulating loop 39, promote the both ends of regulating loop 39 respectively with the oil-control mouth of buffering pressure reducing valve 81 and propulsion proportional multi-way valve 31 It is connected, and promotes regulating loop 39 to be equipped with and promote pressure adjustment relief valve 391, to adjust propelling pressure in real time, and then controls and promote Speed.
In addition, in order to make the stable operation long-term effectively of drilling machine ontology 01, the utility model further includes flushing water control unit 9 With lubrication gas control unit 10.Wherein, flushing water control unit 9 is equipped with third ball valve 91, is rinsed with will pass through the control of third ball valve 91 The on-off and flow of water.Lubricating gas control unit 10 includes the 4th ball valve 101, filter 102, lubrication gas pressure reducing valve 103 and mist of oil Device 104.4th ball valve 101 is mainly used for the on-off of control gas supply.Filter 102 is used to filter out the moisture in gas supply.Lubricate gas Pressure reducing valve 103 is mainly used for the pressure of control gas supply.Oil sprayer 104, which is mainly used for for 01 special lube of drilling machine ontology being added, to be supplied Lubrication needs in gas, when normal use to guarantee drilling machine ontology 01.
The utility model further includes load pressure signal import Y and outlet interface T, and wherein load pressure signal import Y is same When connect with outlet interface T, load-sensitive working connection LS and main oil return line R, wherein between main oil return line R and outlet interface T Have additional check valve, so that the oil liquid in load pressure signal import Y flows into main oil return line R, prevent load pressure signal into Mouth Y builds the pressure.
The utility model also provides a kind of drilling machine, including drilling machine ontology 01, further includes the full liquid being connected with drilling machine ontology 01 Hand control valve station is pressed, since the convenience at all-hydraulic hand control valve station is promoted, is easy to use, the contracting of non-productive work time Short, labor intensity reduces, therefore working efficiency is higher.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Drilling machine provided by the utility model and its all-hydraulic hand control valve station are described in detail above, herein In apply specific case the principles of the present invention and embodiment be expounded, the explanation of above embodiments is only used The method and its core concept of the utility model are understood in help；At the same time, for those skilled in the art, according to this reality With novel thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not It is interpreted as limitations of the present invention.

Claims (10)

1. a kind of all-hydraulic hand control valve station of drilling machine, which is characterized in that including main in-line, main oil return line, if further including Do the control unit that corresponding function is realized for controlling drilling machine ontology (01), the first end of the control unit and the main in-line and The main oil return line is connected, and second end with drilling machine ontology (01) for being connected；Several described control units are respectively included having and be used In the proportional multi-way valve of the reversing handle of switching drilling machine ontology (01) working condition.
2. all-hydraulic hand control valve station according to claim 1, which is characterized in that the control unit further include:
The oil inlet branch being connected between the main in-line and the first end of the proportional multi-way valve；
The oil return branch being connected between the main oil return line and the first end of the proportional multi-way valve；
It is connected with the second end of the proportional multi-way valve, for the work in-line that is connected respectively with drilling machine ontology (01) and work Oil return line；
The relief circuit being connected between the main oil return line and the second end of the proportional multi-way valve.
3. all-hydraulic hand control valve station according to claim 2, which is characterized in that further include respectively and described in several The connected load-sensitive working connection of control unit, the load-sensitive working connection include several respectively with several control units pair The shuttle valve that should be connected；The control unit further include:
With oil-control mouth and it is set to the oil inlet branch road, the pressure-compensated valve for controlling pressure difference；
It is connected between the shuttle valve and the first end of the proportional multi-way valve and can alternatively pass through the proportional multi-way valve The load-sensitive being connected respectively with the work in-line and the work oil return line divides oil circuit；
It is connected between the oil return branch and the first end of the proportional multi-way valve, for limiting oil circuit safe pressure First pressure limiting oil circuit and the second pressure limiting oil circuit, the first pressure limiting oil circuit and the second pressure limiting oil circuit are respectively equipped with the first pressure limiting Valve and the second pressure limiting valve；
The pressure control oil circuit being connected between the oil-control mouth of the pressure-compensated valve and the first end of the proportional multi-way valve.
4. all-hydraulic hand control valve station according to claim 3, which is characterized in that further include measurement interface, load letter Number interface and pump side valve block (7), the pump side valve block (7) include:
The filtering oil circuit being connected between the measurement interface and the main in-line, the filtering oil circuit are equipped with filter (71)；
Both ends are connected with the main in-line and the main oil return line respectively and the pump side pressure with load-sensitive hydraulic fluid port is mended Repay valve (72)；
Import and export connected main pressure limiting valve (73) corresponding with the load signal interface and the main oil return line respectively；
The precompressed orifice valve of hydraulic shock on the load-sensitive working connection, for slowing down the load-sensitive working connection Group (74).
5. all-hydraulic hand control valve station according to claim 3, which is characterized in that the control unit specifically includes mutually The impulsive control portion (1) of parallel connection, rotation control unit (2), Solid rocket engine portion (3) and clamping bar control unit (4), the proportional multi-way valve It specifically includes and is respectively correspondingly arranged in the impulsive control portion (1), rotation control unit (2), Solid rocket engine portion (3) and clamping bar control unit (4) internal impact proportional multi-way valve (11), rotary proportional multi-way valve (21), propulsion proportional multi-way valve (31) and clamping bar ratio are more Road valve (41), the shuttle valve, which is specifically included, is connected with the load-sensitive working connection and is respectively correspondingly arranged in the impulsive control portion (1), the internal impact shuttle valve (12) of rotation control unit (2), Solid rocket engine portion (3) and clamping bar control unit (4), rotation shuttle valve (22), shuttle valve (32) and clamping bar shuttle valve (42) are promoted.
6. all-hydraulic hand control valve station according to claim 5, which is characterized in that the Solid rocket engine portion (3) is also wrapped Include be respectively used to be connected to drilling machine ontology (01) and it is described promote proportional multi-way valve (31) second end between propulsion work into Oil circuit (351) and propulsion work oil return line (352), the rotation control unit (2) further include being respectively used to connection drilling machine ontology (01) the rotary work in-line (251) and rotary work oil return line between the second end of the rotary proportional multi-way valve (21) (252), further includes:
Primary feedback oil circuit for being connected with drilling machine ontology (01)；
Outlet is connected respectively with the propulsion work in-line (351) and the propulsion work oil return line (352) and draining mouth The anti-sticking pricker control unit (5) being connected respectively with the rotary work oil return line (252) and the primary feedback oil circuit；The anti-sticking pricker Control unit (5) include with hydraulic control mouth and respectively with the propulsion work in-line (351) and the propulsion work oil return line (352) pilot operated directional control valve (51) and one end being connected are connected with the hydraulic control mouth of the pilot operated directional control valve (51) and the other end is distinguished The anti-sticking pricker reversal valve (52) being connected with the rotary work oil return line (252) and the primary feedback oil circuit.
7. all-hydraulic hand control valve station according to claim 5, which is characterized in that if the control unit is specially to include A dry sub- assist control (6) parallel with one another, one end of several sub- assist controls (6) respectively with the main in-line It is connected with the main oil return line, the other end is connected with drilling machine auxiliary body (02)；The proportional multi-way valve specifically includes several right The auxiliary multi-channel proportional valve (61) that should be set in several described sub- assist controls (6), the shuttle valve specifically includes several right Should be set to several described sub- assist controls (6) in auxiliary shuttle valve (62), the sub- assist control (6) include with it is described The connected auxiliary oil inlet branch (63) of the first end of auxiliary multi-channel proportional valve (61), auxiliary oil return branch (64), the first auxiliary limit Pressure oil road (681), the second auxiliary pressure limiting oil circuit (682), auxiliary pressure control oil circuit and assistant load sensitivity oil circuit (67), further include with The connected back work in-line (651) of the second end of auxiliary multi-channel proportional valve (61), back work oil return line (652) and It assists relief circuit (66).
8. all-hydraulic hand control valve station according to claim 7, which is characterized in that further include:
Both ends are used to connect the buffering oil circuit (8) between the main in-line and drilling machine ontology (01), for shock absorbing, described It buffers oil circuit (8) and is equipped with interconnected buffering pressure reducing valve (81) and buffer throttling valve (82).
9. all-hydraulic hand control valve station according to claim 8, which is characterized in that Solid rocket engine portion (3) further include: institute It states and is equipped between the oil-control mouth and the propulsion proportional multi-way valve (31) of buffering pressure reducing valve (81) for adjusting pushing away for propelling pressure Into pressure regulation circuit (39), the propelling pressure regulating loop is equipped with pressure adjustment relief valve (391).
10. a kind of drilling machine, including drilling machine ontology (01), which is characterized in that further include as described in any one of claim 1 to 9 The all-hydraulic hand control valve station being connected with the drilling machine ontology (01).
CN201821252326.3U 2018-08-03 2018-08-03 A kind of drilling machine and its all-hydraulic hand control valve station Active CN208669721U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679014A (en) * 2018-08-03 2018-10-19 中国铁建重工集团有限公司 A kind of drilling machine and its all-hydraulic hand control valve station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679014A (en) * 2018-08-03 2018-10-19 中国铁建重工集团有限公司 A kind of drilling machine and its all-hydraulic hand control valve station

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