CN203022763U - Hydraulic control system of drill loader - Google Patents

Hydraulic control system of drill loader Download PDF

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Publication number
CN203022763U
CN203022763U CN 201220648769 CN201220648769U CN203022763U CN 203022763 U CN203022763 U CN 203022763U CN 201220648769 CN201220648769 CN 201220648769 CN 201220648769 U CN201220648769 U CN 201220648769U CN 203022763 U CN203022763 U CN 203022763U
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China
Prior art keywords
valve
control valve
oil
mouth
directional control
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Withdrawn - After Issue
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CN 201220648769
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Chinese (zh)
Inventor
谭正生
刁文庆
王清峰
肖高雄
杨林
孙章虎
朱利民
任晓华
杨洋
郭向勇
郝少楠
余明姚
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Chongqing Research Institute Co Ltd of China Coal Technology and Engineering Group
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Chongqing Research Institute Co Ltd of China Coal Technology and Engineering Group
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Priority to CN 201220648769 priority Critical patent/CN203022763U/en
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Publication of CN203022763U publication Critical patent/CN203022763U/en
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Abstract

The utility model discloses a hydraulic control system of a drill loader. The hydraulic control system of the drill loader comprises a main pump, a jack-head pump, a first multiple directional control valve, a second multiple directional control valve, a pilot oil control valve group, an anti-jamming valve group, a pilot oil source valve group, a track tension valve group, a third multiple directional control valve, a first hydraulic pilot control valve group, a second hydraulic pilot control valve group, a first hydraulic pilot control valve device, a second hydraulic pilot control valve device, a third hydraulic pilot control valve device, a hand-operated direction valve, a first balance valve, a boom cylinder and the like. According to the hydraulic control system of the drill loader, a plurality of levels of propelling and surge pressure force are set, the drill loader can adapt to different geological conditions, active anti-jamming is effectively achieved, when jamming occurs, the hydraulic control system can control an impacter and a thrust cylinder to work in a light-impacting and light-pushing mode, blasted holes are restored, anti-jamming effect is effectively improved, and meanwhile due to the fact that the load-sensitive technique is adopted, efficiency and accuracy of the control system are improved.

Description

The drill loader hydraulic control system
Technical field
The utility model patent relates to mining comprehensive heading equipment technical field, particularly a kind of hydraulic control system of mining drill installation.
Background technology
Drill loader is a kind of comprehensive heading equipment that integrates boring, hoeing, carries, and is mainly used in the driving of hard rock roadway with small cross-section in China's coal-mine, also can be used for the excavation work of the departments such as metallurgy, railway, highway, water power, and application prospect is very wide.Drill loader mainly comprises hoeing section, rig section, feed hopper, running part, framework portion, support portion, a fortune section etc.
Existing drill loader, its hydraulic control system control accuracy and control efficiency are not high, and it is convenient not that operation is controlled, and anti-sticking pricker function is relatively poor, has more defective.
For example existing single arm type drill loader mainly adopts all-hydraulic rock drilling mode, and the mode that when mainly adopting the card pricker, propelling cylinder retreats is come the anti-sticking pricker, is difficult to prevention and the complicated card pricker operating mode of processing.
Therefore need the drill loader hydraulic control system is improved, to improve system's control accuracy and efficient, improve its anti-sticking pricker function.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of drill loader hydraulic control system, with better prevention and transaction card pricker situation, improves system's control accuracy and efficient, reduces labour intensity.The utility model purpose is achieved through the following technical solutions:
The utility model drill loader hydraulic control system comprises main pump, auxiliary pump, boom cylinder, bucket cylinder, bucket arm cylinder, left running motor, right running motor, quartering hammer, swing arm rotation oil cylinder, propelling cylinder, impactor, drill boom rotation oil cylinder, drill boom pitching oil cylinder, drill boom telescopic oil cylinder, carriage overturning oil cylinder, carriage rotation oil cylinder, carriage pitching oil cylinder and fuel tank; Also comprise the first multiple directional control valve, the second multiple directional control valve, guide oil control valve group, anti-sticking pricker valve group, guide oil source valve group, crawler tensioning valve group, the 3rd multiple directional control valve, the first Hydraulic guide control valve group, the second Hydraulic guide control valve group, the first Hydraulic guide control valve gear, the second Hydraulic guide control valve gear, the 3rd Hydraulic guide control valve gear, hand-operated direction valve, the first one way valve and the first equalizing valve;
Described main pump go out the oil content two-way, the first via is connected with boom cylinder, bucket cylinder, bucket arm cylinder, left running motor, right running motor, quartering hammer and swing arm rotation oil cylinder respectively through the second multiple directional control valve, the second the tunnel is connected with anti-sticking pricker valve group, impactor, drill boom rotation oil cylinder, drill boom pitching oil cylinder, drill boom telescopic oil cylinder, carriage overturning oil cylinder, carriage rotation oil cylinder and carriage pitching oil cylinder respectively through the 3rd multiple directional control valve, and the oil-out of described anti-sticking pricker valve group is connected oil pocket and is connected with propelling cylinder by the equalizing valve group;
Described auxiliary pump go out the oil content two-way, the first via is connected with the crawler tensioning oil cylinder through crawler tensioning valve group, the second tunnel turns motor and compensating cylinder with a fortune motor, scraping plate lifting oil cylinder, angling cylinder, pricker respectively through the first multiple directional control valve;
described main pump is connected oil-out and also is connected with the oil-in of guide oil source valve group with auxiliary pump, the control oil of guide oil source valve group goes out the oil content two-way, the first via and the first Hydraulic guide control valve group be connected the Hydraulic guide control valve gear and be connected, the second the tunnel after moving reversal valve with the second Hydraulic guide control valve group, the second Hydraulic guide control valve gear, the 3rd Hydraulic guide control valve gear, the control oil export of described the first Hydraulic guide control valve gear is connected with the pilot control hydraulic fluid port of anti-sticking pricker valve group after guide oil control valve group, described the first Hydraulic guide control valve group, the second Hydraulic guide control valve group, the control oil export of the second Hydraulic guide control valve gear and the 3rd Hydraulic guide control valve gear respectively with the first multiple directional control valve, the pilot control hydraulic fluid port of the second multiple directional control valve and the 3rd multiple directional control valve connects.
further, the P mouth of described main pump is connected with the p2 mouth with the p1 of the second multiple directional control valve respectively, first of the second multiple directional control valve 4 is connected with boom cylinder, second of the second multiple directional control valve is connected with bucket cylinder, the 3rd of the second multiple directional control valve is connected with bucket arm cylinder, the tetrad of the second multiple directional control valve is connected with left running motor, the 5-linked of the second multiple directional control valve is connected with right running motor, the 6th of the second multiple directional control valve is connected with quartering hammer, the 7th sealing of the second multiple directional control valve, the 8th of the second multiple directional control valve is connected with swing arm rotation oil cylinder, the T mouth of described the second multiple directional control valve is connected with fuel tank,
It is O type function that first of described the second multiple directional control valve is coupled to the 3rd main control valve Median Function, tetrad to the eight main control valve Median Functions are y-function, the first, second, the 3rd, the 6th, the 7th and the 8th A/B mouth of described the second multiple directional control valve is all with overload oil compensating valve, and the tetrad of the second multiple directional control valve and the A/B mouth of 5-linked are all with Fill valve;
The P mouth of described main pump is the oil-out of main pump, the A/B mouth of described two multiple directional control valves is the oil-out that two multiple directional control valves respectively join main control valve, the p1 of described the second multiple directional control valve and p2 mouth are its two oil-in, and the T mouth of described the second multiple directional control valve is its oil return opening.
further, the P mouth of described main pump is connected with the P mouth of the 3rd multiple directional control valve, first of described the 3rd multiple directional control valve is connected with anti-sticking pricker valve group, the second B15 mouth of described the 3rd multiple directional control valve is connected with the oil-in of impactor, described impactor oil return directly takes back fuel tank, the 3rd of described the 3rd multiple directional control valve is connected with drill boom rotation oil cylinder through the second equalizing valve, the tetrad of described the 3rd multiple directional control valve is connected with drill boom pitching oil cylinder through the 3rd balance, the 5-linked of described the 3rd multiple directional control valve is connected with the drill boom telescopic oil cylinder through the 4th equalizing valve, the 6th of described the 3rd multiple directional control valve is connected with the carriage overturning oil cylinder through the 5th equalizing valve, the 7th of described the 3rd multiple directional control valve is connected with carriage rotation oil cylinder through the 6th equalizing valve, the 8th of described the 3rd multiple directional control valve is connected with carriage pitching oil cylinder through the 7th equalizing valve, the T mouth of described the 3rd multiple directional control valve is connected with fuel tank,
All main control valve Median Functions of described the 3rd multiple directional control valve are y-function, the first associated Ls overflow valve difference that two oil pressure that restrict export are arranged of described the 3rd multiple directional control valve, and on the first oil circuit of described the 3rd multiple directional control valve, with overload oil compensating valve, second of described the 3rd multiple directional control valve is coupled to the 8th all with a Ls overflow valve that limits corresponding outlet oil pressure;
The P mouth of described the 3rd multiple directional control valve is its oil-in, and the second B15 mouth of described the 3rd multiple directional control valve is the oil-out of the second main control valve, and the T mouth of described the 3rd multiple directional control valve is its oil return opening.
Further, described crawler tensioning valve group comprises two-bit triplet rotary valve, the first damper and the first overflow valve, the P mouth of described auxiliary pump is done the chamber with the nothing of two crawler tensioning oil cylinders respectively and is connected after P mouth, two-bit triplet rotary valve and the crawler tensioning valve group of crawler tensioning valve group are connected A1, A2 mouth, the oil-out of described two-bit triplet rotary valve is connected with the first overflow valve through the first damper, and the oil-out of described the first overflow valve is connected with the T mouth of crawler tensioning valve group;
The P mouth of described auxiliary pump is its oil-out, and the P mouth of described crawler tensioning valve group is its oil-in, and the A1 of described crawler tensioning valve group, A2 mouth are its oil-out.
Further, the P mouth of described auxiliary pump is connected with the P mouth of the first multiple directional control valve, first of described the first multiple directional control valve is connected with a fortune motor, second of described the first multiple directional control valve is connected with the scraping plate lifting oil cylinder after the 8th equalizing valve, the 3rd of described the first multiple directional control valve is connected with angling cylinder after equalizing valve, the tetrad of described the first multiple directional control valve turns motor with pricker and is connected, the 5-linked of described the first multiple directional control valve is connected with compensating cylinder after the 9th balance, and the T mouth of described the first multiple directional control valve is connected with fuel tank;
All main control valve Median Functions of described the first multiple directional control valve are y-function, second of described the first multiple directional control valve is coupled to 5-linked all with a corresponding Ls overflow valve that joins outlet oil pressure of restriction, first without the Ls overflow valve, all be with overload oil compensating valve on the oil circuit of first and tetrad of described the first multiple directional control valve, described the first multiple directional control valve first, the 3rd and 5-linked without overload oil compensating valve;
The P mouth of described the first multiple directional control valve is its oil-in, and the T mouth of described the first multiple directional control valve is its oil return opening.
further, the P mouth of described main pump is connected with the P1 mouth of guide oil source valve group, the P mouth of auxiliary pump is connected with the P2 mouth of guide oil source valve group, the PV mouth of guide oil source valve group divides two-way, the first via is connected oil-in with the first Hydraulic guide control valve group respectively and is connected with the Hydraulic guide control valve gear, the second the tunnel after hand-operated direction valve respectively with the second Hydraulic guide control valve group, the first Hydraulic guide control valve gear, the oil-in of the second Hydraulic guide control valve gear and the 3rd Hydraulic guide control valve gear connects, the first Hydraulic guide control valve group and the second Hydraulic guide control valve group, the first Hydraulic guide control valve gear, the oil return opening of the second Hydraulic guide control valve gear and the 3rd Hydraulic guide control valve gear is connected with fuel tank,
The control oil export of described the first Hydraulic guide control valve gear is connected with the pilot control oil inlet of pilot-actuated valve group, and the control oil export of described pilot-actuated valve group, the first Hydraulic guide control valve group, the second Hydraulic guide control valve group, the second Hydraulic guide control valve gear and the 3rd Hydraulic guide control valve gear is connected with corresponding main valve control oil inlet in described the first multiple directional control valve, the second multiple directional control valve and the 3rd multiple directional control valve;
The k1 mouth of described pilot-actuated valve group is connected with the k1 mouth of anti-sticking pricker valve group, and the oil circuit B12 mouth that pricker turns motor is connected with the k3 mouth of anti-sticking pricker valve group, and the second k4 mouth of described the 3rd multiple directional control valve is connected with the k4 mouth of anti-sticking pricker valve group; The Ls mouth of described the first multiple directional control valve is connected with the Ls ' mouth of crawler tensioning valve group, the Ls mouth of crawler tensioning valve group is connected with the X mouth of auxiliary pump, the Ls mouth of described the 3rd multiple directional control valve then is connected with the X mouth of main pump after the Ls mouth parallel connection of the first one way valve and the second multiple directional control valve;
The P1 of described guide oil source valve group, P2 mouth are its two oil-in, and the PV mouth of described guide oil source valve group is controlled oily oil-out for it;
The k1 mouth of described pilot-actuated valve group is controlled oil export for it, and the k1 mouth of described anti-sticking pricker valve group is controlled oil export for it;
The oil circuit B12 mouth that described pricker turns motor is the oil-out on its oil circuit, and the k3 mouth of anti-sticking pricker valve group is controlled oil inlet for it;
The second k4 mouth of described the 3rd multiple directional control valve is controlled oil export for it, and the k4 mouth of anti-sticking pricker valve group is controlled oil inlet for it;
The Ls mouth of described the first multiple directional control valve is its pilot control oil export, and the Ls ' of described crawler tensioning valve group mouthful is its pilot control oil inlet, and the Ls mouth of crawler tensioning valve group is its pilot control outlet,
The X mouth of described main pump is controlled oil inlet for it, and the X mouth of described auxiliary pump is controlled oil inlet for it;
The Ls mouth of described the 3rd multiple directional control valve is controlled oil export for it, and the Ls mouth of described the second multiple directional control valve is controlled oil export for it.
further, described guide oil control valve group comprises the first shuttle valve, two-bit triplet pilot operated valve device and direction valve, the a2 ' of described guide oil control valve group mouthful is connected with an oil-in of the first shuttle valve, the b2 ' of described guide oil control valve group is connected with another oil-in of the first shuttle valve with the k2 mouth, the oil-out of described the first shuttle valve simultaneously and the a1 mouth of guide oil control valve group be connected the G1 mouth with the two-bit triplet pilot operated valve device and be connected, the T1 mouth of described two-bit triplet pilot operated valve device, the T2 mouth of direction valve is connected the a2 mouth and is connected with fuel tank with guide oil control valve group, the N1 mouth of described two-bit triplet pilot operated valve device is connected with the b2 mouth of guide oil control valve group, the N2 mouth of described direction valve is connected with the control oil pocket of two-bit triplet pilot operated valve device, the G2 mouth of described direction valve is connected with the k1 mouth of guide oil control valve group,
A2 ', the b2 ' of described guide oil control valve group, k1 mouth, k2 mouth, a1 mouth, b2 mouth are controlled oil for it and are imported and exported, the G1 mouth of described two-bit triplet pilot operated valve device, T1 mouth, N1 mouth are its oil inlet and outlet, and the T2 mouth of described direction valve, G2 mouth, N2 mouth are its oil inlet and outlet.
Further, described anti-sticking pricker valve group comprises reducing valve, the first sequence valve, the second shuttle valve, two four-way pilot operated directional control valves, the second sequence valve, the second overflow valve, the 3rd overflow valve, the 4th overflow valve, 2/2-way pilot operated directional control valve, the second one way valve, the 3rd one way valve, the first built-in one way valve, the second built-in one way valve, the 3rd built-in one way valve, the 3rd shuttle valve, the 4th built-in individual event valve, the second damper and the 3rd dampers
the A1 mouth of anti-sticking pricker valve group is communicated with the oil-in of reducing valve and the second one way valve simultaneously, the oil-out while of reducing valve and the e1 mouth of two four-way pilot operated directional control valves, the k1 mouth of anti-sticking pricker valve group connects with the 4th built-in individual event valve, the B1 of anti-sticking pricker valve group, A1 ', B1 ' mouth respectively with the f1 of two four-way pilot operated directional control valves, h1, the g1 mouth connects, the A1 ' of anti-sticking pricker valve group is connected with the control oil pocket of the second sequence valve, the B1 mouth of anti-sticking pricker valve group is connected oil-out and is connected with two oil-ins of the second shuttle valve respectively with reducing valve, the oil-out of the second shuttle valve is connected with built-in the 3rd shuttle valve, the k3 mouth of described anti-sticking pricker valve group is connected with the first sequence valve, the first sequence valve go out oil content three tunnel, the first via is connected with the control oil pocket of two four-way pilot operated directional control valves after the second damper, the second tunnel directly is connected with fuel tank through the 3rd damper, Third Road is connected with the first built-in one way valve, the k4 mouth of described anti-sticking pricker valve group is connected with the 3rd built-in one way valve, the 3rd one way valve go out oil content three tunnel, the first via is oil sump tank after 2/2-way pilot operated directional control valve, the 3rd overflow valve, the second tunnel after the 4th overflow valve oil sump tank, Third Road is oil sump tank after the second sequence valve, the second overflow valve, the outlet of the second sequence valve is connected with the second built-in one way valve, and described reducing valve, the first sequence valve, the second sequence valve and being connected is connected with fuel tank after the leakage oil of a four-way pilot operated directional control valve converges,
The e1 of described two four-way pilot operated directional control valves, f1, h1, g1 mouth are its oil inlet and outlet, and A1, the B1 of described anti-sticking pricker valve group, A1 ', B1 ' mouth are its oil inlet and outlet.
Further, described main pump and auxiliary pump are shaft orientation plunger variable pump; Described the first multiple directional control valve and the 3rd multiple directional control valve are high-voltage sheet type load-sensitive multi-way reversing proportioning valve, and described the second multiple directional control valve is the assignment of traffic banked direction control valves that has nothing to do with pressure and flow.
Further, the first of described the first Hydraulic guide control valve group and the second Hydraulic guide control valve group is controlled valve block and is band friction plate type control valve block, and it is that the spring reset type is controlled valve block that all the other of described the first Hydraulic guide control valve group and the second Hydraulic guide control valve group are controlled valve blocks.
The beneficial effects of the utility model: the utility model drill loader hydraulic control system, by the aforementioned techniques scheme, obtained following technique effect:
1, the utility model can be set multistage propelling and surge by guide oil source valve group, guide oil control valve group, Hydraulic guide control valve, Hydraulic guide control valve gear, to adapt to different geological conditions, effectively realize the automatic anti-blocking pricker, when running into card pricker situation, the utility model single arm type drill loader hydraulic control system can be controlled impactor, propelling cylinder changes light punching over to, touches operation, anti-sticking pricker effect is effectively improved in reparation big gun hole.
2, the break-make that hand-operated direction valve is controlled guide's oil circuit is set in guide's oil circuit, takes off arm and drill boom mechanism when guaranteeing bore operation by locked, improve the job safety reliability.
3, the utility model adopts the load-sensitive technology, has improved the efficient of control system, and has had energy-saving effect preferably, adopts load-sensitive plunger variable pump, load-sensitive proportional reversing valve, has improved the control accuracy of control system, and is simple to operation.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the schematic diagram of guide oil control valve group in Fig. 1;
Fig. 3 is the schematic diagram of anti-sticking pricker valve group in Fig. 1;
Fig. 4 is the schematic diagram of guide oil source valve group in Fig. 1;
Fig. 5 is the schematic diagram of crawler tensioning valve group in Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
as shown in the figure, the present embodiment drill loader hydraulic control system, comprise main pump 1, auxiliary pump 2, boom cylinder 18, bucket cylinder 19, bucket arm cylinder 20, left running motor 21, right running motor 22, quartering hammer 23, swing arm rotation oil cylinder 24, propelling cylinder 31, impactor 32, drill boom rotation oil cylinder 33, drill boom pitching oil cylinder 34, drill boom telescopic oil cylinder 35, carriage overturning oil cylinder 36, carriage rotation oil cylinder 37, carriage pitching oil cylinder 38 and fuel tank 39, it is characterized in that: also comprise the first multiple directional control valve 3, the second multiple directional control valve 4, guide oil control valve group 5, anti-sticking pricker valve group 6, guide oil source valve group 7, crawler tensioning valve group 8, the 3rd multiple directional control valve 9, the first Hydraulic guide control valve group 10, the second Hydraulic guide control valve group 12, the first Hydraulic guide control valve gear 11, the second Hydraulic guide control valve gear 13, the 3rd Hydraulic guide control valve gear 14, hand-operated direction valve 15, the first one way valve 16 and the first equalizing valve 17,
described main pump 1 go out the oil content two-way, the first via through the second multiple directional control valve 4 respectively with boom cylinder 18, bucket cylinder 19, bucket arm cylinder 20, left running motor 21, right running motor 22, quartering hammer 23 is connected connection with swing arm rotation oil cylinder, the second the tunnel through the 3rd multiple directional control valve 9 respectively with anti-sticking pricker valve group 6, impactor 32, drill boom rotation oil cylinder 33, drill boom pitching oil cylinder 34, drill boom telescopic oil cylinder 35, carriage overturning oil cylinder 36, carriage rotation oil cylinder 37 is connected connection with carriage pitching oil cylinder, the oil pocket that the oil-out of described anti-sticking pricker valve group 6 is connected with propelling cylinder by equalizing valve group 17 connects,
Described auxiliary pump 2 go out the oil content two-way, the first via is connected with crawler tensioning oil cylinder 25 through crawler tensioning valve group 8, the second tunnel turns motor 29 and compensating cylinder 30 with a fortune motor 26, scraping plate lifting oil cylinder 27, angling cylinder 28, pricker respectively through the first multiple directional control valve 3;
the oil-out that described main pump 1 is connected with auxiliary pump also is connected with the oil-in of guide oil source valve group 7, the control oil of guide oil source valve group 7 goes out the oil content two-way, the first via and the first Hydraulic guide control valve group 10 be connected Hydraulic guide control valve gear 11 and be connected, the second the tunnel after moving reversal valve 15 with the second Hydraulic guide control valve group 12, the second Hydraulic guide control valve gear 13, the 3rd Hydraulic guide control valve gear 14, the control oil export of described the first Hydraulic guide control valve gear 11 is connected with the pilot control hydraulic fluid port of anti-sticking pricker valve group 6 after guide oil control valve group 5, described the first Hydraulic guide control valve group 10, the second Hydraulic guide control valve group 12, the control oil export of the second Hydraulic guide control valve gear 13 and the 3rd Hydraulic guide control valve gear 14 respectively with the first multiple directional control valve 3, the pilot control hydraulic fluid port of the second multiple directional control valve 4 and the 3rd multiple directional control valve 9 connects.
The utility model can be set multistage propelling and surge by guide oil source valve group, guide oil control valve group, Hydraulic guide control valve, Hydraulic guide control valve gear, to adapt to different geological conditions, effectively realizes initiatively anti-sticking pricker.When running into card pricker situation, the utility model drill loader hydraulic control system can be controlled impactor, propelling cylinder changes light punching over to, touches operation, repairs the big gun hole, effectively improves anti-sticking pricker effect.
as the improvement to the present embodiment, the P mouth of described main pump 1 is connected with the p2 mouth with the p1 of the second multiple directional control valve 4 respectively, first of the second multiple directional control valve 4 is connected with boom cylinder 18, second of the second multiple directional control valve 4 is connected with bucket cylinder 19, the 3rd of the second multiple directional control valve 4 is connected with bucket arm cylinder 20, the tetrad of the second multiple directional control valve 4 is connected with left running motor 21, the 5-linked of the second multiple directional control valve 4 is connected with right running motor 22, the 6th of the second multiple directional control valve 4 is connected with quartering hammer 23, the 7th sealing of the second multiple directional control valve 4, the 8th of the second multiple directional control valve 4 is connected with swing arm rotation oil cylinder 24, the T mouth of described the second multiple directional control valve 4 is connected with fuel tank 39,
It is O type function that first of described the second multiple directional control valve 4 is coupled to the 3rd main control valve Median Function, tetrad to the eight main control valve Median Functions are y-function, the first, second, the 3rd, the 6th, the 7th and the 8th A/B mouth of described the second multiple directional control valve 4 is all with overload oil compensating valve, and the tetrad of the second multiple directional control valve 4 and the A/B mouth of 5-linked are all with Fill valve.
Can control reliably, easily the action of walking, scraper bowl and the quartering hammer of drill loader by the second multiple directional control valve 4.
as the improvement to the present embodiment, the P mouth of described main pump 1 is connected with the P mouth of the 3rd multiple directional control valve 9, first of described the 3rd multiple directional control valve 9 is connected with anti-sticking pricker valve group 6, the second B15 mouth of described the 3rd multiple directional control valve 9 is connected with the oil-in of impactor 32, described impactor 32 oil returns directly take back fuel tank 39, the 3rd of described the 3rd multiple directional control valve 9 is connected with drill boom rotation oil cylinder 33 through the second equalizing valve, the tetrad of described the 3rd multiple directional control valve 9 is connected with drill boom pitching oil cylinder 34 through the 3rd balance, the 5-linked of described the 3rd multiple directional control valve 9 is connected with drill boom telescopic oil cylinder 35 through the 4th equalizing valve, the 6th of described the 3rd multiple directional control valve 9 is connected with carriage overturning oil cylinder 36 through the 5th equalizing valve, the 7th of described the 3rd multiple directional control valve 9 is connected with carriage rotation oil cylinder 37 through the 6th equalizing valve, the 8th of described the 3rd multiple directional control valve 9 is connected with carriage pitching oil cylinder 38 through the 7th equalizing valve, the T mouth of described the 3rd multiple directional control valve 9 is connected with fuel tank 39,
All main control valve Median Functions of described the 3rd multiple directional control valve 9 are y-function, the first associated Ls overflow valve difference that two oil pressure that restrict export are arranged of described the 3rd multiple directional control valve 9, and on the first oil circuit of described the 3rd multiple directional control valve 9, with overload oil compensating valve, second of described the 3rd multiple directional control valve 9 is coupled to the 8th all with a Ls overflow valve that limits corresponding outlet oil pressure.
By the 3rd multiple directional control valve 9 convenient and reliable impactor 32, drill boom rotation oil cylinder 33, drill boom pitching oil cylinder 34, drill boom telescopic oil cylinder 35, carriage overturning oil cylinder 36, carriage rotation oil cylinder 37 and the carriage pitching oil cylinders 38 of energy, control the drilling process of drilling rod, prevent the card pricker.
As the improvement to the present embodiment, described crawler tensioning valve group 8 comprises two-bit triplet rotary valve 81, the first damper 82 and the first overflow valve 83, the P mouth of described auxiliary pump 2 is done the chamber with the nothing of two crawler tensioning oil cylinders 25 respectively and is connected after A1 that P mouth, two-bit triplet rotary valve 81 and the crawler tensioning valve group of crawler tensioning valve group 8 are connected, A2 mouth, the oil-out of described two-bit triplet rotary valve 81 is connected with the first overflow valve 83 through the first damper 82, the oil-out of described the first overflow valve 83 is connected with the T mouth of crawler tensioning valve group 8, and this structure is better controlled the drill loader walking mechanism.
as the improvement to the present embodiment, the P mouth of described auxiliary pump 2 is connected with the P mouth of the first multiple directional control valve 3, first of described the first multiple directional control valve 3 is connected with a fortune motor 26, second of described the first multiple directional control valve 3 is connected with scraping plate lifting oil cylinder 27 after the 8th equalizing valve, the 3rd of described the first multiple directional control valve 3 is connected with angling cylinder 28 after equalizing valve, the tetrad of described the first multiple directional control valve 3 turns motor 29 with pricker and is connected, the 5-linked of described the first multiple directional control valve 3 is connected with compensating cylinder 30 after the 9th balance, the T mouth of described the first multiple directional control valve 3 is connected with fuel tank 39,
All main control valve Median Functions of described the first multiple directional control valve 3 are y-function, second of described the first multiple directional control valve 3 is coupled to 5-linked all with a corresponding Ls overflow valve that joins outlet oil pressure of restriction, first without the Ls overflow valve, all be with overload oil compensating valve on the oil circuit of first and tetrad of described the first multiple directional control valve 3, described the first multiple directional control valve 3 first, the 3rd and 5-linked without overload oil compensating valve;
This structure turns motor 29 and compensating cylinder 30 by controlling fortune motor 26, a scraping plate lifting oil cylinder 27, angling cylinder 28, pricker, can better control the drilling process of drill loader, improves anti-sticking pricker ability.
as the improvement to the present embodiment, the P mouth of described main pump is connected with the P1 mouth of guide oil source valve group 7, the P mouth of auxiliary pump 2 is connected with the P2 mouth of guide oil source valve group 7, the PV mouth of guide oil source valve group 7 divides two-way, the first via is connected with the oil-in that the first Hydraulic guide control valve group 10 is connected with the Hydraulic guide control valve gear respectively, the second the tunnel after hand-operated direction valve 15 respectively with the second Hydraulic guide control valve group 12, the first Hydraulic guide control valve gear 11, the oil-in of the second Hydraulic guide control valve gear 13 and the 3rd Hydraulic guide control valve gear 14 connects, the first Hydraulic guide control valve group 10 and the second Hydraulic guide control valve group 12, the first Hydraulic guide control valve gear 11, the oil return opening of the second Hydraulic guide control valve gear 13 and the 3rd Hydraulic guide control valve gear 14 is connected with fuel tank 39,
The control oil export of described the first Hydraulic guide control valve gear 11 is connected with the pilot control oil inlet of pilot-actuated valve group 5, and the control oil export of described pilot-actuated valve group 5, the first Hydraulic guide control valve group 10, the second Hydraulic guide control valve group 12, the second Hydraulic guide control valve gear 13 and the 3rd Hydraulic guide control valve gear 14 is connected with corresponding main valve control oil inlet in described the first multiple directional control valve 3, the second multiple directional control valve 4 and the 3rd multiple directional control valve 9; Its concrete connected mode is (referring to Fig. 1):
The a1/b1 mouth of the second Hydraulic guide control valve gear 13, a2/b2 oil-out are connected with first a1/b1 mouth of the second multiple directional control valve 4, second a2/b2 mouth respectively;
The a8/b8 mouth of the a3/b3 mouth of the a3/b3 mouth of the 3rd Hydraulic guide control valve gear 14, the second Hydraulic guide control valve group 12, a4/b4 mouth, a5/b5 mouth, a6/b6 mouth, a7/b7 mouth, the 3rd Hydraulic guide control valve gear 14 is connected with the 3rd a3/b3 mouth of the second multiple directional control valve 4, the 3rd a3/b3 mouth, the a4/b4 mouth of tetrad, the a5/b5 mouth of 5-linked, the 6th a6/b6 mouth, the 7th a7/b7 mouth, the 8th a8/b8 mouth respectively;
The a9/b9 mouth of the second Hydraulic guide control valve group 12, a10/b10 mouth, a11/b11 mouth, and the a12/b12 mouth of the first Hydraulic guide control valve group 10, a13/b13 mouth are connected with the a9/b9 mouth of the first multiple directional control valve 3 first, second a10/b10 mouth, the 3rd a11/b11 mouth, the a12/b12 mouth of tetrad, the a13/b13 mouth of 5-linked respectively;
The k1 mouth of described pilot-actuated valve group 5 is connected with the k1 mouth of anti-sticking pricker valve group 6, and the oil circuit B12 mouth that pricker turns motor 29 is connected with the k3 mouth of anti-sticking pricker valve group 6, and the second k4 mouth of described the 3rd multiple directional control valve 9 is connected with the k4 mouth of anti-sticking pricker valve group 6; The Ls mouth of described the first multiple directional control valve 3 is connected with the Ls ' mouth of crawler tensioning valve group 8, the Ls mouth of crawler tensioning valve group 8 is connected with the X mouth of auxiliary pump 2, the Ls mouth of described the 3rd multiple directional control valve 9 then is connected with the X mouth of main pump 1 after the Ls mouth parallel connection of the first one way valve 16 and the second multiple directional control valve 4;
This structure adopts Hydraulic guide control, and control accuracy is high, and system's corresponding speed is fast.
as the improvement to the present embodiment, described guide oil control valve group 5 comprises the first shuttle valve 53, two-bit triplet pilot operated valve device 52 and direction valve 51, the a2 ' of described guide oil control valve group 5 mouthful is connected with an oil-in of the first shuttle valve 53, the b2 ' of described guide oil control valve group 5 is connected with k2 mouth another oil-in with the first shuttle valve 53, the oil-out of described the first shuttle valve 53 is connected with the G1 mouth that the a1 mouth of guide oil control valve group 5 is connected with the two-bit triplet pilot operated valve device simultaneously, the T1 mouth of described two-bit triplet pilot operated valve device 52, the a2 mouth that the T2 mouth of direction valve 51 is connected with guide oil control valve group is connected with fuel tank 39, the N1 mouth of described two-bit triplet pilot operated valve device 52 is connected with the b2 mouth of guide oil control valve group 5, the N2 mouth of described direction valve 51 is connected with the control oil pocket of two-bit triplet pilot operated valve device 52, the G2 mouth of described direction valve 51 is connected with the k1 mouth of guide oil control valve group 5.
as the improvement to the present embodiment, described anti-sticking pricker valve group 6 comprises reducing valve 61, the first sequence valve 62, the second shuttle valve 63, two four-way pilot operated directional control valves 64, the second sequence valve 65, the second overflow valve 66, the 3rd overflow valve 67, the 4th overflow valve 68,2/2-way pilot operated directional control valve 69, the second one way valve 610, the 3rd one way valve 611, the first built-in one way valve 612, the second built-in one way valve 614, the 3rd built-in one way valve 615, the 3rd shuttle valve 616, the 4th built-in individual event valve 617, the second damper 618 and the 3rd damper 619
the A1 mouth of anti-sticking pricker valve group 6 is communicated with the oil-in of reducing valve 61 and the second one way valve 610 simultaneously, the oil-out while of reducing valve 61 and the e1 mouth of two four-way pilot operated directional control valves 64, the k1 mouth of anti-sticking pricker valve group 6 connects with the 4th built-in individual event valve 617, the B1 of anti-sticking pricker valve group 6, A1 ', B1 ' mouth respectively with the f1 of two four-way pilot operated directional control valves 64, h1, the g1 mouth connects, the A1 ' of anti-sticking pricker valve group 6 is connected with the control oil pocket of the second sequence valve 65, the oil-out that the B1 mouth of anti-sticking pricker valve group 6 is connected with reducing valve is connected with two oil-ins of the second shuttle valve 63 respectively, the oil-out of the second shuttle valve 63 is connected with built-in the 3rd shuttle valve 616, the k3 mouth of described anti-sticking pricker valve group 6 is connected with the first sequence valve 62, the first sequence valve 62 go out oil content three tunnel, the first via is connected with the control oil pocket of two four-way pilot operated directional control valves 64 after the second damper 618, the second tunnel directly is connected with fuel tank 39 through the 3rd damper 619, Third Road is connected with the first built-in one way valve 612, the k4 mouth of described anti-sticking pricker valve group 6 is connected with the 3rd built-in one way valve 615, the 3rd one way valve 611 go out oil content three tunnel, the first via is oil sump tank 39 after 2/2-way pilot operated directional control valve 69, the 3rd overflow valve 67, the second the tunnel after the 4th overflow valve 68 oil sump tank 39, Third Road is oil sump tank 39 after the second sequence valve 65, the second overflow valve 66, the outlet of the second sequence valve 65 is connected with the second built-in one way valve 614, and described reducing valve 61, the first sequence valve 62, the second sequence valve 65 and being connected is connected with fuel tank 39 after the leakage oil of a four-way pilot operated directional control valve 64 converges.
As the improvement to the present embodiment, described main pump 1 and auxiliary pump 2 are shaft orientation plunger variable pump; Described the first multiple directional control valve 3 and the 3rd multiple directional control valve 9 are high-voltage sheet type load-sensitive multi-way reversing proportioning valve, and described the second multiple directional control valve 4 is the assignment of traffic banked direction control valves that has nothing to do with pressure and flow; The control mode of main pump 1 is the control of going beyond one's commission of band intersection sensing, load sensing, the control mode of auxiliary pump 2 is that pressure, flow and power are controlled, native system adopts the load-sensitive technology, improve the efficient of control system, and had energy-saving effect preferably, adopted load-sensitive plunger variable pump, load-sensitive proportional reversing valve, improved the control accuracy of control system, simple to operation.
As the improvement to the present embodiment, the first of described the first Hydraulic guide control valve group 10 and the second Hydraulic guide control valve group 12 is controlled valve block and is band friction plate type control valve block, it is that the spring reset type is controlled valve block that all the other of described the first Hydraulic guide control valve group 10 and the second Hydraulic guide control valve group 12 are controlled valve block, and control accuracy is high.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (10)

1. a drill loader hydraulic control system, comprise main pump (1), auxiliary pump (2), boom cylinder (18), bucket cylinder (19), bucket arm cylinder (20), left running motor (21), right running motor (22), quartering hammer (23), swing arm rotation oil cylinder (24), propelling cylinder (31), impactor (32), drill boom rotation oil cylinder (33), drill boom pitching oil cylinder (34), drill boom telescopic oil cylinder (35), carriage overturning oil cylinder (36), carriage rotation oil cylinder (37), carriage pitching oil cylinder (38) and fuel tank (39) is characterized in that: also comprise the first multiple directional control valve (3), the second multiple directional control valve (4), guide oil control valve group (5), anti-sticking pricker valve group (6), guide oil source valve group (7), crawler tensioning valve group (8), the 3rd multiple directional control valve (9), the first Hydraulic guide control valve group (10), the second Hydraulic guide control valve group (12), the first Hydraulic guide control valve gear (11), the second Hydraulic guide control valve gear (13), the 3rd Hydraulic guide control valve gear (14), hand-operated direction valve (15), the first one way valve (16) and the first equalizing valve (17),
described main pump (1) go out the oil content two-way, the first via through the second multiple directional control valve (4) respectively with boom cylinder (18), bucket cylinder (19), bucket arm cylinder (20), left running motor (21), right running motor (22), quartering hammer (23) is connected 24 with swing arm rotation oil cylinder) connect, the second the tunnel through the 3rd multiple directional control valve (9) respectively with anti-sticking pricker valve group (6), impactor (32), drill boom rotation oil cylinder (33), drill boom pitching oil cylinder (34), drill boom telescopic oil cylinder (35), carriage overturning oil cylinder (36), carriage rotation oil cylinder (37) is connected 38 with carriage pitching oil cylinder) connect, the oil-out of described anti-sticking pricker valve group (6) is connected 31 by equalizing valve group (17) with propelling cylinder) oil pocket connect,
Described auxiliary pump (2) go out the oil content two-way, the first via is connected with crawler tensioning oil cylinder (25) through crawler tensioning valve group (8), and the second the tunnel turns motor (29) and compensating cylinder (30) with a fortune motor (26), scraping plate lifting oil cylinder (27), angling cylinder (28), pricker respectively through the first multiple directional control valve (3);
described main pump (1) is connected 2 with auxiliary pump) oil-out also be connected with the oil-in of guide oil source valve group (7), the control oil of guide oil source valve group (7) goes out the oil content two-way, the first via and the first Hydraulic guide control valve group (10) be connected Hydraulic guide control valve gear (11) and be connected, the second the tunnel after moving reversal valve (15) and the second Hydraulic guide control valve group (12), the second Hydraulic guide control valve gear (13), the 3rd Hydraulic guide control valve gear (14), the control oil export of described the first Hydraulic guide control valve gear (11) is connected with the pilot control hydraulic fluid port of anti-sticking pricker valve group (6) after guide oil control valve group (5), described the first Hydraulic guide control valve group (10), the second Hydraulic guide control valve group (12), the control oil export of the second Hydraulic guide control valve gear (13) and the 3rd Hydraulic guide control valve gear (14) respectively with the first multiple directional control valve (3), the pilot control hydraulic fluid port of the second multiple directional control valve (4) and the 3rd multiple directional control valve (9) connects.
2. drill loader hydraulic control system according to claim 1, it is characterized in that: the P mouth of described main pump (1) is connected with the p2 mouth with the p1 of the second multiple directional control valve (4) respectively, first of the second multiple directional control valve (4) is connected with boom cylinder (18), second of the second multiple directional control valve (4) is connected with bucket cylinder (19), the 3rd of the second multiple directional control valve (4) is connected with bucket arm cylinder (20), the tetrad of the second multiple directional control valve (4) is connected with left running motor (21), the 5-linked of the second multiple directional control valve (4) is connected with right running motor (22), the 6th of the second multiple directional control valve (4) is connected with quartering hammer (23), the 7th sealing of the second multiple directional control valve (4), the 8th of the second multiple directional control valve (4) is connected with swing arm rotation oil cylinder (24), the T mouth of described the second multiple directional control valve (4) is connected with fuel tank (39),
It is O type function that first of described the second multiple directional control valve (4) is coupled to the 3rd main control valve Median Function, tetrad to the eight main control valve Median Functions are y-function, the first, second, the 3rd, the 6th, the 7th and the 8th A/B mouth of described the second multiple directional control valve (4) is all with overload oil compensating valve, and the tetrad of the second multiple directional control valve (4) and the A/B mouth of 5-linked are all with Fill valve;
The P mouth of described main pump (1) is the oil-out of main pump, the A/B mouth of described two multiple directional control valves (4) is the oil-out that two multiple directional control valves (4) respectively join main control valve, the p1 of described the second multiple directional control valve (4) and p2 mouth are its two oil-in, and the T mouth of described the second multiple directional control valve (4) is its oil return opening.
3. drill loader hydraulic control system according to claim 1, it is characterized in that: the P mouth of described main pump (1) is connected with the P mouth of the 3rd multiple directional control valve (9), first of described the 3rd multiple directional control valve (9) is connected with anti-sticking pricker valve group (6), the second B15 mouth of described the 3rd multiple directional control valve (9) is connected with the oil-in of impactor (32), described impactor (32) oil return directly takes back fuel tank (39), the 3rd of described the 3rd multiple directional control valve (9) is connected with drill boom rotation oil cylinder (33) through the second equalizing valve, the tetrad of described the 3rd multiple directional control valve (9) is connected with drill boom pitching oil cylinder (34) through the 3rd balance, the 5-linked of described the 3rd multiple directional control valve (9) is connected with drill boom telescopic oil cylinder (35) through the 4th equalizing valve, the 6th of described the 3rd multiple directional control valve (9) is connected with carriage overturning oil cylinder (36) through the 5th equalizing valve, the 7th of described the 3rd multiple directional control valve (9) is connected with carriage rotation oil cylinder (37) through the 6th equalizing valve, the 8th of described the 3rd multiple directional control valve (9) is connected with carriage pitching oil cylinder (38) through the 7th equalizing valve, the T mouth of described the 3rd multiple directional control valve (9) is connected with fuel tank (39),
All main control valve Median Functions of described the 3rd multiple directional control valve (9) are y-function, the first associated Ls overflow valve difference that two oil pressure that restrict export are arranged of described the 3rd multiple directional control valve (9), and on the first oil circuit of described the 3rd multiple directional control valve (9), with overload oil compensating valve, second of described the 3rd multiple directional control valve (9) is coupled to the 8th all with a Ls overflow valve that limits corresponding outlet oil pressure;
The P mouth of described the 3rd multiple directional control valve (9) is its oil-in, and the second B15 mouth of described the 3rd multiple directional control valve (9) is the oil-out of the second main control valve, and the T mouth of described the 3rd multiple directional control valve (9) is its oil return opening.
4. drill loader hydraulic control system according to claim 1, it is characterized in that: described crawler tensioning valve group (8) comprises two-bit triplet rotary valve (81), the first damper (82) and the first overflow valve (83), the P mouth of described auxiliary pump (2) is through the P mouth of crawler tensioning valve group (8), the A1 of two-bit triplet rotary valve (81) and crawler tensioning valve group (8), doing the chamber with the nothing of two crawler tensioning oil cylinders (25) respectively after the A2 mouth is connected, the oil-out of described two-bit triplet rotary valve (81) is connected with the first overflow valve (83) through the first damper (82), the oil-out of described the first overflow valve (83) is connected with the T mouth of crawler tensioning valve group (8),
The P mouth of described auxiliary pump (2) is its oil-out, and the P mouth of described crawler tensioning valve group (8) is its oil-in, and the A1 of described crawler tensioning valve group (8), A2 mouth are its oil-out.
5. drill loader hydraulic control system according to claim 1, it is characterized in that: the P mouth of described auxiliary pump (2) is connected with the P mouth of the first multiple directional control valve (3), first of described the first multiple directional control valve (3) is connected with a fortune motor (26), second of described the first multiple directional control valve (3) is connected with scraping plate lifting oil cylinder (27) after the 8th equalizing valve, the 3rd of described the first multiple directional control valve (3) is connected with angling cylinder (28) after equalizing valve, the tetrad of described the first multiple directional control valve (3) turns motor (29) with pricker and is connected, the 5-linked of described the first multiple directional control valve (3) is connected with compensating cylinder (30) after the 9th balance, the T mouth of described the first multiple directional control valve (3) is connected with fuel tank (39),
All main control valve Median Functions of described the first multiple directional control valve (3) are y-function, second of described the first multiple directional control valve (3) is coupled to 5-linked all with a corresponding Ls overflow valve that joins outlet oil pressure of restriction, first without the Ls overflow valve, all be with overload oil compensating valve on the oil circuit of first and tetrad of described the first multiple directional control valve (3), described the first multiple directional control valve (3) first, the 3rd and 5-linked without overload oil compensating valve;
The P mouth of described the first multiple directional control valve (3) is its oil-in, and the T mouth of described the first multiple directional control valve (3) is its oil return opening.
6. drill loader hydraulic control system according to claim 1, it is characterized in that: the P mouth of described main pump is connected with the P1 mouth of guide oil source valve group (7), the P mouth of auxiliary pump (2) is connected with the P2 mouth of guide oil source valve group (7), the PV mouth of guide oil source valve group (7) divides two-way, the first via is connected 11 with the first Hydraulic guide control valve group (10) with the Hydraulic guide control valve gear respectively) oil-in be connected, the second the tunnel after hand-operated direction valve (15) respectively with the second Hydraulic guide control valve group (12), the first Hydraulic guide control valve gear (11), the oil-in of the second Hydraulic guide control valve gear (13) and the 3rd Hydraulic guide control valve gear (14) connects, the first Hydraulic guide control valve group (10) and the second Hydraulic guide control valve group (12), the first Hydraulic guide control valve gear (11), the oil return opening of the second Hydraulic guide control valve gear (13) and the 3rd Hydraulic guide control valve gear (14) is connected with fuel tank (39),
The control oil export of described the first Hydraulic guide control valve gear (11) is connected with the pilot control oil inlet of pilot-actuated valve group (5), and the control oil export of described pilot-actuated valve group (5), the first Hydraulic guide control valve group (10), the second Hydraulic guide control valve group (12), the second Hydraulic guide control valve gear (13) and the 3rd Hydraulic guide control valve gear (14) is connected with corresponding main valve control oil inlet in described the first multiple directional control valve (3), the second multiple directional control valve (4) and the 3rd multiple directional control valve (9);
The k1 mouth of described pilot-actuated valve group (5) is connected with the k1 mouth of anti-sticking pricker valve group (6), the oil circuit B12 mouth that pricker turns motor (29) is connected with the k3 mouth of anti-sticking pricker valve group (6), and the second k4 mouth of described the 3rd multiple directional control valve (9) is connected with the k4 mouth of anti-sticking pricker valve group (6); The Ls mouth of described the first multiple directional control valve (3) is connected with the Ls ' mouth of crawler tensioning valve group (8), the Ls mouth of crawler tensioning valve group (8) is connected with the X mouth of auxiliary pump (2), the Ls mouth of described the 3rd multiple directional control valve (9) then is connected with the X mouth of main pump (1) after the Ls mouth parallel connection of the first one way valve (16) and the second multiple directional control valve (4);
The P1 of described guide oil source valve group (7), P2 mouth are its two oil-in, and the PV mouth of described guide oil source valve group (7) is controlled oily oil-out for it;
The k1 mouth of described pilot-actuated valve group (5) is controlled oil export for it, and the k1 mouth of described anti-sticking pricker valve group (6) is controlled oil export for it;
The oil circuit B12 mouth that described pricker turns motor (29) is the oil-out on its oil circuit, and the k3 mouth of anti-sticking pricker valve group (6) is controlled oil inlet for it;
The second k4 mouth of described the 3rd multiple directional control valve (9) is controlled oil export for it, and the k4 mouth of anti-sticking pricker valve group (6) is controlled oil inlet for it;
The Ls mouth of described the first multiple directional control valve (3) is its pilot control oil export, and the Ls ' of described crawler tensioning valve group (8) mouthful is its pilot control oil inlet, and the Ls mouth of crawler tensioning valve group (8) is its pilot control outlet,
The X mouth of described main pump (1) is controlled oil inlet for it, and the X mouth of described auxiliary pump (2) is controlled oil inlet for it;
The Ls mouth of described the 3rd multiple directional control valve (9) is controlled oil export for it, and the Ls mouth of described the second multiple directional control valve (4) is controlled oil export for it.
7. drill loader hydraulic control system according to claim 1, it is characterized in that: described guide oil control valve group (5) comprises the first shuttle valve (53), two-bit triplet pilot operated valve device (52) and direction valve (51), the a2 ' of described guide oil control valve group (5) mouthful is connected with an oil-in of the first shuttle valve (53), the b2 ' of described guide oil control valve group (5) is connected with k2 mouth another oil-in with the first shuttle valve (53), the oil-out of described the first shuttle valve (53) is connected 52 with the a1 mouth of guide oil control valve group (5) with the two-bit triplet pilot operated valve device simultaneously) the G1 mouth be connected, the T1 mouth of described two-bit triplet pilot operated valve device (52), the T2 mouth of direction valve (51) is connected 5 with guide oil control valve group) the a2 mouth be connected with fuel tank (39), the N1 mouth of described two-bit triplet pilot operated valve device (52) is connected with the b2 mouth of guide oil control valve group (5), the N2 mouth of described direction valve (51) is connected with the control oil pocket of two-bit triplet pilot operated valve device (52), the G2 mouth of described direction valve (51) is connected with the k1 mouth of guide oil control valve group (5),
A2 ', the b2 ' of described guide oil control valve group (5), k1 mouth, k2 mouth, a1 mouth, b2 mouth are controlled oil for it and are imported and exported, the G1 mouth of described two-bit triplet pilot operated valve device (52), T1 mouth, N1 mouth are its oil inlet and outlet, and the T2 mouth of described direction valve (51), G2 mouth, N2 mouth are its oil inlet and outlet.
8. drill loader hydraulic control system according to claim 1, it is characterized in that: described anti-sticking pricker valve group (6) comprises reducing valve (61), the first sequence valve (62), the second shuttle valve (63), two four-way pilot operated directional control valves (64), the second sequence valve (65), the second overflow valve (66), the 3rd overflow valve (67), the 4th overflow valve (68), 2/2-way pilot operated directional control valve (69), the second one way valve (610), the 3rd one way valve (611), the first built-in one way valve (612), the second built-in one way valve (614), the 3rd built-in one way valve (615), the 3rd shuttle valve (616), the 4th built-in individual event valve (617), the second damper (618) and the 3rd damper (619),
the A1 mouth of anti-sticking pricker valve group (6) is communicated with the oil-in of reducing valve (61) and the second one way valve (610) simultaneously, the oil-out while of reducing valve (61) and the e1 mouth of two four-way pilot operated directional control valves (64), the k1 mouth of anti-sticking pricker valve group (6) connects with the 4th built-in individual event valve (617), the B1 of anti-sticking pricker valve group (6), A1 ', B1 ' mouth respectively with the f1 of two four-way pilot operated directional control valves (64), h1, the g1 mouth connects, the A1 ' of anti-sticking pricker valve group (6) is connected with the control oil pocket of the second sequence valve (65), the B1 mouth of anti-sticking pricker valve group (6) is connected 61 with reducing valve) oil-out be connected with two oil-ins of the second shuttle valve (63) respectively, the oil-out of the second shuttle valve (63) is connected with built-in the 3rd shuttle valve (616), the k3 mouth of described anti-sticking pricker valve group (6) is connected with the first sequence valve (62), the first sequence valve (62) go out oil content three tunnel, the first via is connected with the control oil pocket of two four-way pilot operated directional control valves (64) after the second damper (618), the second the tunnel directly is connected with fuel tank (39) through the 3rd damper (619), and Third Road is connected with the first built-in one way valve (612), the k4 mouth of described anti-sticking pricker valve group (6) is connected with the 3rd built-in one way valve (615), the 3rd one way valve (611) go out oil content three tunnel, the first via is oil sump tank (39) after 2/2-way pilot operated directional control valve (69), the 3rd overflow valve (67), the second the tunnel after the 4th overflow valve (68) oil sump tank (39), Third Road is oil sump tank (39) after the second sequence valve (65), the second overflow valve (66), the outlet of the second sequence valve (65) is connected with the second built-in one way valve (614), is connected with fuel tank (39) after described reducing valve (61), the first sequence valve (62), the second sequence valve (65) and a leakage oil of four-way pilot operated directional control valve (64) of being connected converge,
E1, the f1 of described two four-way pilot operated directional control valves (64), h1, g1 mouth are its oil inlet and outlet, and A1, the B1 of described anti-sticking pricker valve group (6), A1 ', B1 ' mouth are its oil inlet and outlet.
9. drill loader hydraulic control system according to claim 1, it is characterized in that: described main pump (1) and auxiliary pump (2) they are shaft orientation plunger variable pump; Described the first multiple directional control valve (3) and the 3rd multiple directional control valve (9) are high-voltage sheet type load-sensitive multi-way reversing proportioning valve, and described the second multiple directional control valve (4) is the assignment of traffic banked direction control valves that has nothing to do with pressure and flow.
10. drill loader hydraulic control system according to claim 1, it is characterized in that: the first of described the first Hydraulic guide control valve group (10) and the second Hydraulic guide control valve group (12) is controlled valve block and is band friction plate type control valve block, and it is that the spring reset type is controlled valve block that all the other of described the first Hydraulic guide control valve group (10) and the second Hydraulic guide control valve group (12) are controlled valve blocks.
CN 201220648769 2012-11-30 2012-11-30 Hydraulic control system of drill loader Withdrawn - After Issue CN203022763U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102996139A (en) * 2012-11-30 2013-03-27 中煤科工集团重庆研究院 Hydraulic control system of drill loader
CN105114373A (en) * 2015-08-05 2015-12-02 南车石家庄车辆有限公司 Hydraulic control system for impact hammer of rock drilling machine
CN105332967A (en) * 2015-12-11 2016-02-17 重庆纳川山隅重工设备有限公司 Self-adaptive valve bank for rock drilling machine
CN110056552A (en) * 2019-03-27 2019-07-26 中铁隧道股份有限公司 A kind of monoblock type turns over slag workbench hydraulic system
WO2021016885A1 (en) * 2019-07-30 2021-02-04 广西恒日科技股份有限公司 Hydraulic control system for fully hydraulic wheel rock drill

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102996139A (en) * 2012-11-30 2013-03-27 中煤科工集团重庆研究院 Hydraulic control system of drill loader
CN105114373A (en) * 2015-08-05 2015-12-02 南车石家庄车辆有限公司 Hydraulic control system for impact hammer of rock drilling machine
CN105114373B (en) * 2015-08-05 2018-09-25 中车石家庄车辆有限公司 The hydraulic control system of rock drill jump bit
CN105332967A (en) * 2015-12-11 2016-02-17 重庆纳川山隅重工设备有限公司 Self-adaptive valve bank for rock drilling machine
CN110056552A (en) * 2019-03-27 2019-07-26 中铁隧道股份有限公司 A kind of monoblock type turns over slag workbench hydraulic system
WO2021016885A1 (en) * 2019-07-30 2021-02-04 广西恒日科技股份有限公司 Hydraulic control system for fully hydraulic wheel rock drill

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