CN102966612A - Hydraulic control system for mining full-hydraulic underground drill - Google Patents
Hydraulic control system for mining full-hydraulic underground drill Download PDFInfo
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- CN102966612A CN102966612A CN201210503070XA CN201210503070A CN102966612A CN 102966612 A CN102966612 A CN 102966612A CN 201210503070X A CN201210503070X A CN 201210503070XA CN 201210503070 A CN201210503070 A CN 201210503070A CN 102966612 A CN102966612 A CN 102966612A
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- 238000005065 mining Methods 0.000 title claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims description 13
- 239000002828 fuel tank Substances 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 79
- 238000001914 filtration Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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Abstract
The invention discloses a hydraulic control system for a mining full-hydraulic underground drill and belongs to the technical field of underground drill equipment. The hydraulic control system comprises a plunger pump, a multi-way reversing valve, a first pressure gauge, a second pressure gauge, a two-way hydraulic lock, a slope regulating oil cylinder, a rotary motor, a shuttle valve, a boosting oil way control block, a boosting oil cylinder, a holder, a one-way hydraulic lock, a chuck and a cooler. The hydraulic control system adopts a load sensitivity technique, the efficiency of the control system is improved, the problems that the control is lagged, the control precision is lower, and the system heating is severe are solved, and the energy-saving effect is good; the hydraulic control system adopts the load-sensitive manual proportional reversing valve, the control precision of the control system is improved, and the operation is simple and convenient; with the adoption of the boosting oil way control block, the drilling scope of a drill is extended, the problem that the drill skids when drilling at a large inclination angle is effectively solved, and the drilling safety is improved; and the holder and the chuck are combined and rotate reversely for automatically dismounting a drilling rod, the labor intensity for dismounting the drilling rod is reduced, and the working efficiency is improved.
Description
Technical field
Patent of the present invention relates to the underground drill rig equipment technical field, particularly a kind of hydraulic control system of mining all-hydraulic tunnel drilling rig.
Background technique
Mining all-hydraulic tunnel drilling rig is to be exclusively used in the drilling equipment of holing in the underground passage, is mainly used in the underground gas that creeps into and takes out (row) discharge hole, the anti-fire extinguishing of slip casting hole, coal-bed flooding hole, protrusion-dispelling pressure relief vent, geologic prospecting hole and other engineering hole.Mining all-hydraulic tunnel drilling rig mainly is comprised of pumping plant, operating table, unit head, mounting, clamp holder, column, drilling tool etc.
Present mining all-hydraulic tunnel drilling rig mainly adopts quantitative or manual variable control system, and control unit mainly adopts common multiple directional control valve, has the problems such as control hysteresis, control accuracy is lower, system's heating is serious, efficient is lower.And rig has skidding during unit head when carrying out the creeping into of wide-angle pitching hole, have potential safety hazard; Dismounting drilling rod mainly relies on the artificial unloading, and labor intensity is large, inefficiency.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of mining all-hydraulic tunnel drilling rig hydraulic control system, the shortcoming that exists with the control system that solves existing all-hydraulic tunnel drilling rig.
All-hydraulic tunnel drilling rig hydraulic control system that the present invention is mining, comprise fuel tank, plunger pump, multiple directional control valve, the first pressure gauge, the second pressure gauge, bidirectional hydraulic lock, the oblique adjusting oil cylinder, revolution motor, shuttle valve, advance oil circuit controll block, propelling cylinder, clamp holder, one-way hydraulic lock, chuck and cooler, described fuel tank is connected with the S mouth of plunger pump, the P mouth of described plunger pump is connected with the P mouth of multiple directional control valve, the X mouth of described plunger pump is connected with the LS mouth of multiple directional control valve, the first M mouth of described multiple directional control valve is connected with the first pressure gauge, first of described multiple directional control valve is connected with revolution motor, the first A1 of described multiple directional control valve is connected with the import of shuttle valve with the B1 mouth, the outlet of described shuttle valve is connected with the 5-linked A5 mouth of multiple directional control valve, first B1 mouth of described multiple directional control valve is connected with the E mouth that advances oil circuit controll block, second of described multiple directional control valve is connected with advancing oil circuit controll block, described propelling oil circuit controll block is connected with propelling cylinder, the 3rd M2 mouth of described multiple directional control valve is connected with the second pressure gauge, the tetrad of described multiple directional control valve is connected with clamp holder, the 5-linked of described multiple directional control valve is connected with chuck, the first R mouth of described multiple directional control valve is connected with cooler, and described cooler is connected with fuel tank.
Further, described multiple directional control valve comprises safety valve, filter, the first main control valve, the first compensator, the second main control valve, the second compensator, A2 mouth LS relief valve, B2 mouth LS relief valve, tetrad main control valve, tetrad compensator, A4 mouth LS relief valve, B4 mouth LS relief valve, 5-linked main control valve, tetrad compensator, A5 mouth LS relief valve, B5 mouth LS relief valve, 5-linked LS shuttle valve, tetrad LS shuttle valve, the second LS shuttle valve, the first LS shuttle valve; The first main control valve of described multiple directional control valve and the second main control valve are three ten threeway proportional reversing valves of band friction location, the tetrad main control valve of multiple directional control valve and 5-linked main control valve are three ten threeway proportional reversing valves with the spring position, the first main control valve of described multiple directional control valve, the second main control valve and tetrad main control valve Median Function are the Y type, and the Median Function of the 5-linked main control valve of multiple directional control valve is the O type.
Further, described propelling oil circuit controll block comprises the first damper, the second damper, the first relief valve, the second relief valve, the first one-way valve, the second one-way valve, sequence valve, the 3rd damper, the 4th damper and 2/2-way pilot operated directional control valve; Described the first damper, the second damper, the first relief valve, the second relief valve, the first one-way valve, the second one-way valve connect to form Bidirectional balanced valve with the A21/B21 hydraulic fluid port that advances oil circuit controll block; Described counter-rotating oil circuit control oil is through the control chamber of the 3rd damper, sequence valve introducing 2/2-way pilot operated directional control valve, simultaneously control chamber signal oil sump tank after the leakage oil of the 4th damper and sequence valve converges; The oil inlet and outlet of described 2/2-way pilot operated directional control valve is connected with the B22 hydraulic fluid port with the A22 that advances oil circuit controll block respectively.
Further, described plunger pump is variable displacement pump, and described multiple directional control valve is the manual proportional reversing valve of load-sensitive.
Further, pipeline is connected with quick release coupling between the main control valve of described revolution motor, propelling cylinder, clamp holder, one-way hydraulic lock and chuck and multiple directional control valve, and oblique adjusting oil cylinder and clamp holder share the tetrad main control valve of multiple directional control valve.
Beneficial effect of the present invention: all-hydraulic tunnel drilling rig hydraulic control system that the present invention is mining, by the aforementioned techniques scheme, obtained following technique effect:
1, the present invention adopts the load-sensitive technology, has improved the efficient of control system, has solved the problems such as control hysteresis, control accuracy is lower, system's heating is serious, and has had preferably energy-saving effect.
2, the present invention adopts the manual proportional reversing valve of load-sensitive, has improved the control accuracy of control system, and is simple to operation.
3, the propelling oil circuit controll block of the present invention's employing has improved the scope of creeping into of rig, and has efficiently solved the skid problem of rig when large inclined angle creeps into, and has improved the Security of creeping into.
4, the present invention adopts clamp holder and chuck to carry out the technology of automatic dismantling drilling rod in conjunction with counter-rotating, has reduced drilling rod dismounting labor intensity, has improved working efficiency.
Description of drawings
Fig. 1 is the schematic diagram of the mining all-hydraulic tunnel drilling rig hydraulic control system of the present invention;
Fig. 2 is the schematic diagram of multiple directional control valve among Fig. 1;
Fig. 3 is the schematic diagram that advances oil circuit controll block among Fig. 1.
Among Fig. 1: 1. fuel tank, 2. oil suction coarse-grain filtering device, 3. plunger pump, 4. the first high pressure fine filter, 17. the second high pressure fine filter, 5. multiple directional control valve, 6. the first pressure gauge, 7. the second pressure gauge, 8. bidirectional hydraulic lock, 9. oblique adjusting oil cylinder, 10. revolution motor, 11. shuttle valve, 12. advance oil circuit controll block, 13. propelling cylinders, 14. clamp holder, 15. one-way hydraulic locks, 16. chucks, 18. rapid pipe joint, 19. coolers, 20. oil return fine filters.
Among Fig. 2: 51. safety valves, 52. filter, 53. first main control valves, 54. first compensators, 55. the second main control valve, 56. the second compensator, 57.A2 mouth LS relief valve, 58.B2 mouth LS relief valve, 59. tetrad main control valve, 510. the tetrad compensator, 511.A4 mouth LS relief valve, 512.B4 mouth LS relief valve, 513. 5-linked main control valve, 516. the tetrad compensator, 515.A5 mouth LS relief valve, 514.B5 mouth LS relief valve, 517. 5-linked LS shuttle valve, 518. tetrad LS shuttle valve, 519. second LS shuttle valves, 520. first LS shuttle valves.
Among Fig. 3: 120. first dampers, 121. second dampers, 124. the 3rd dampers, 126. the 4th dampers, 122. the first relief valve, 129. second relief valves, 123. first one-way valves, 128. the second one-way valve, 125. sequence valves, 127. 2/2-way pilot operated directional control valves.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in the figure, all-hydraulic tunnel drilling rig hydraulic control system that present embodiment is mining, comprise fuel tank 1, oil suction coarse-grain filtering device 2, plunger pump 3, the first high pressure fine filter 4, the second high pressure fine filter 17, multiple directional control valve 5, the first pressure gauge 6, the second pressure gauge 7, bidirectional hydraulic lock 8, oblique adjusting oil cylinder 9, revolution motor 10, shuttle valve 11, advance oil circuit controll block 12, propelling cylinder 13, clamp holder 14, one-way hydraulic lock 15, chuck 16, cooler 19 and oil return fine filter 20, described fuel tank 1 is connected with oil suction coarse-grain filtering device 2, described oil suction coarse-grain filtering device 2 is connected with the S mouth of plunger pump 3, the P mouth of described plunger pump 3 is connected with high pressure fine filter 4, described high pressure fine filter 4 is connected with the P mouth of multiple directional control valve 5, the X mouth of described plunger pump 3 is connected with the LS mouth of multiple directional control valve 5, the first M mouth of described multiple directional control valve 5 is connected with the first pressure gauge 6, first of described multiple directional control valve 5 is connected with revolution motor 10, import with shuttle valve 11 is connected the first A1 of described multiple directional control valve 5 with the B1 mouth, the outlet of described shuttle valve 11 is connected with the 5-linked A5 mouth of multiple directional control valve 5, first B1 mouth of described multiple directional control valve 5 is connected with the E mouth that advances oil circuit controll block 12, second of described multiple directional control valve 5 is connected with advancing oil circuit controll block 12, described propelling oil circuit controll block 12 is connected with propelling cylinder 13, the 3rd M2 mouth of described multiple directional control valve 5 is connected with the second pressure gauge 7, the tetrad of described multiple directional control valve 5 is connected with clamp holder 14, the 5-linked of described multiple directional control valve 5 is connected with chuck 16, the first R mouth of described multiple directional control valve 5 is connected with cooler 19, described cooler 19 is connected with oil return fine filter 20, and described oil return fine filter 20 is connected with fuel tank 1.
The oil suction coarse-grain filtering device 2 that arranges in the present embodiment, the first high pressure fine filter 4, the second high pressure fine filter 17 and oil return fine filter 20 can guarantee the turbidity test of hydraulic oil, can prolong lifetime of system.
All-hydraulic tunnel drilling rig hydraulic control system that present embodiment is mining has adopted the load-sensitive technology, has improved the efficient of control system, and has preferably energy-saving effect; Also adopt in addition clamp holder and chuck to carry out the technology of automatic dismantling drilling rod in conjunction with counter-rotating, reduced labor intensity, improved working efficiency.
In the present embodiment, described multiple directional control valve 5 comprises safety valve 51, filter 52, the first main control valve 53, the first compensator 54, the second main control valve 55, the second compensator 56, A2 mouth LS relief valve 57, B2 mouth LS relief valve 58, tetrad main control valve 59, tetrad compensator 510, A4 mouth LS relief valve 511, B4 mouth LS relief valve 512,5-linked main control valve 513, tetrad compensator 516, A5 mouth LS relief valve 515, B5 mouth LS relief valve 514,5-linked LS shuttle valve 517, tetrad LS shuttle valve 518, the second LS shuttle valve 519, the first LS shuttle valve 520; The first main control valve 53 of described multiple directional control valve 5 and the second main control valve 55 are three ten threeway proportional reversing valves of band friction location, the tetrad main control valve 59 of multiple directional control valve 5 and 5-linked main control valve 513 are three ten threeway proportional reversing valves with the spring position, the first main control valve 53 of described multiple directional control valve 5, the second main control valve 55 and tetrad main control valve 59 Median Functions are the Y type, and the Median Function of the 5-linked main control valve 513 of multiple directional control valve 5 is the O type; This structure multiple directional control valve 5 functional reliabilities are good, easy to operate.
As the improvement to present embodiment, described propelling oil circuit controll block 12 comprises the first damper 120, the second damper 121, the first relief valve 122, the second relief valve 129, the first one-way valve 123, the second one-way valve 128, sequence valve 125, the 3rd damper 124, the 4th damper 126 and 2/2-way pilot operated directional control valve 127; Described the first damper 120, the second damper 121, the first relief valve 122, the second relief valve 129, the first one-way valve 123, the second one-way valve 128 connect to form Bidirectional balanced valve with the A21/B21 hydraulic fluid port that advances oil circuit controll block 12, described counter-rotating oil circuit control oil is through the control chamber of the 3rd damper 124, sequence valve 125 introducing 2/2-way pilot operated directional control valves 127, simultaneously control chamber signal oil sump tank after the leakage oil of the 4th damper 126 and sequence valve 125 converges; The oil inlet and outlet of described 2/2-way pilot operated directional control valve 127 is connected with the B22 hydraulic fluid port with the A22 that advances oil circuit controll block 12 respectively; This structure advances oil circuit controll block, has improved the scope of creeping into of rig, and has efficiently solved the skid problem of rig when large inclined angle creeps into, and has improved the Security of creeping into.
As the improvement to present embodiment, described plunger pump 3 is variable displacement pump, and control mode is power control, and band pressure cuts off and load sensing, and described multiple directional control valve 5 is the manual proportional reversing valve of load-sensitive; Improved the control accuracy of control system, made operation more simple and convenient.
As the improvement to present embodiment, pipeline is connected with quick release coupling 18 between the main control valve of described revolution motor 10, propelling cylinder 13, clamp holder 14, one-way hydraulic lock 15 and chuck 16 and multiple directional control valve 5, oblique adjusting oil cylinder 9 and clamp holder 14 share the tetrad main control valve of multiple directional control valve 5, have simplified system architecture and annexation.
Lower mask body is introduced the working principle of this mining all-hydraulic tunnel drilling rig hydraulic control system:
As shown in Figure 1, present embodiment all-hydraulic tunnel drilling rig hydraulic control system, the low pressure oil that described plunger pump 3 sucks in the fuel tank 1 through oil suction coarse-grain filtering device 2, the output high pressure oil enters multiple directional control valve 5 through high pressure fine filter 4, the oil return of multiple directional control valve 5 is got back in the fuel tank 1 through cooler 19 and oil return fine filter 20, the load feedback signal oil of multiple directional control valve 5 links to each other with the X mouth of plunger pump 3, the second pressure gauge 7 indication unit head propelling pressures, the 6 indication unit heads rotations of the first pressure gauge and retreat, clamp holder 14 and chuck 16 pressure.Multiple directional control valve 5 is comprised of head and the tail connection and 5-linked control valve block, and the first linkage control valve sheet and revolution motor 10 form the unit head rotary control circuit, control the unit head forward, stop and reversing; The second linkage control valve sheet forms unit head propelling loop with advancing oil circuit controll block 12 and propelling cylinder 13, and the control unit head advances, stops and retreating; Relief valve 58 in the 3rd linkage control valve sheet advances oil circuit B mouth to be connected to form pressure-control circuit with unit head, regulates the propelling pressure of unit head propelling cylinder 13; Tetrad control valve block and clamp holder 14 and one-way hydraulic lock 15 form the clamp holder control loop, control clamp holder 14 clamping, meta and unclamp, simultaneously tetrad control valve block forms oblique adjusting oil cylinder control loops with bidirectional hydraulic lock 8 and oblique adjusting oil cylinder 9, control oblique adjusting oil cylinder 9 rising, stop and descending; 5-linked control valve block forms the chuck control loop with chuck 16 and one-way hydraulic lock, controls clamping, the meta of chuck 16 and unclamps.
The standby operating mode, behind the actuating motor, the low pressure oil that plunger pump 3 sucks in the fuel tank 1 through oil suction coarse-grain filtering device 2, the output high pressure oil enters multiple directional control valve 5 through high pressure fine filter 4, the operating grip of multiple directional control valve 5 is without any action at this moment, high-pressure oil passage interrupts, the load feedback signal oil of multiple directional control valve 5 enters the X mouth of plunger pump 3, make the swashplate angle of plunger pump 3 be in minimum state, the rate of discharge of plunger pump 3 only is its internal leakage, make the energy loss under the standby operating mode drop to minimum, have good energy-saving effect.
Dip angle of hole is adjusted operating mode, 1. A4, the B4 oil circuit of the tetrad of multiple directional control valve 5 being controlled valve block are connected with oblique adjusting oil cylinder loop by quick release coupling 18,2. operate the Joystick of tetrad control valve block, multiple directional control valve 5 mesohigh oil enter oblique adjusting oil cylinder 9 through A4/B4 mouth and fluid lock 8, regulate the borer frame angle, thereby realize the adjustment of dip angle of hole.
Drilling condition, 1. the tetrad of multiple directional control valve 5 is controlled the A4 of valve block, the B4 oil circuit is connected with clamp holder 14 by quick release coupling 18,2. the Joystick that operates tetrad control valve block is in and unclamps the position, multiple directional control valve 5 mesohigh oil are opened one-way hydraulic lock 15 through the B4 mouth, clamp holder 14 pressure release under the effect of dish spring, clamp holder unclamps, 3. the Joystick that operates tetrad control valve block is in meta, with drilling rod pack into chuck and clamp holder, 5. the Joystick that operates the 5-linked control valve block of multiple directional control valve 5 is in and clamps the position, multiple directional control valve 5 mesohigh oil are through the A5 mouth, high pressure fine filter 17 and one-way hydraulic lock enter chuck 16, make chuck be in clamped condition, the Joystick that operates 5-linked control valve block is returned to meta, 6. the Joystick that operates the first linkage control valve sheet of multiple directional control valve 5 is in positive transposition, multiple directional control valve 5 mesohigh oil divide two-way through the A1 mouth, one road pressure oil enters revolution motor 10, revolution motor 10 beginning forwards, another road pressure oil is through shuttle valve 11, high pressure fine filter 17 and one-way hydraulic lock enter chuck 16, make chuck 16 be in all the time clamped condition, 7. the Joystick that operates the second linkage control valve sheet of multiple directional control valve 5 is in advanced potential, multiple directional control valve 5 mesohigh oil enter the B21 mouth that advances oil circuit controll block 12 through the B2 mouth, open the second individual event valve 128, enter the rod chamber of propelling cylinder 13, the A2 mouth that relief valve 122 is got back to multiple directional control valve 5 is opened in the oil return of rodless cavity, unit head is advanced, thereby realization drilling operation, after a rod boring is complete, can add new drilling rod at the unit head afterbody, repeat above operation and can realize creeping into continuously.
Move back driller's condition, when creep into put in place after, stop to advance, this moment, revolution motor still was in the forward state, 1. after being in, the Joystick that operates the second linkage control valve sheet gives up the throne, multiple directional control valve 5 mesohigh oil enter the A21 mouth that advances oil circuit controll block 12 through the A2 mouth, open the first individual event valve 123, enter the rodless cavity of propelling cylinder 13, the B2 mouth that relief valve 129 is got back to multiple directional control valve 5 is opened in the oil return of rod chamber, making the unit head chuck clamp drilling rod retreats, 2. when retreat put in place after, the Joystick of the 5-linked control valve block of operation multiple directional control valve 5 is in and unclamps the position, multiple directional control valve 5 mesohigh oil are opened the one-way hydraulic lock pressure release through the B5 mouth makes chuck 16 be in releasing orientation, the Joystick that operates 5-linked control valve block is returned to meta, 3. the Joystick that operates the second linkage control valve sheet of multiple directional control valve 5 is in advanced potential, unit head unclamps drilling rod and advances separately, advance put in place after, 4. the Joystick that operates the 5-linked control valve block of multiple directional control valve 5 is in and clamps the position, 5. after being in, the Joystick that operates the second linkage control valve sheet of multiple directional control valve 5 gives up the throne, making chuck clamp drilling rod draws back, after withdrawing from a drilling rod, when making two tool joints be between clamp holder and the chuck, 6. the Joystick that operates the tetrad control valve block of multiple directional control valve 5 is in and clamps the position, this moment, clamp holder 14 and chuck 16 all were in clamped condition, 7. the Joystick that operates the first linkage control valve sheet of multiple directional control valve 5 is in the counter-rotating position, B1 mouth high pressure oil is divided into two-way, one road high pressure oil is through the 3rd damper 124, opening sequence valve 125, make 2/2-way pilot operated directional control valve 127 overcome the spring force commutation, propelling cylinder 13 is in floating bit, another road high-pressure oil flow is to revolution motor 10, make the revolution motor counter-rotating, the come loose connecting thread of two drilling rods is realized automatic dismantling drilling rod function.Repeat continuously dismounting drilling rod of above action, realize moving back brill.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. mining all-hydraulic tunnel drilling rig hydraulic control system, comprise fuel tank (1), plunger pump (3), multiple directional control valve (5), the first pressure gauge (6), the second pressure gauge (7), bidirectional hydraulic lock (8), oblique adjusting oil cylinder (9), revolution motor (10), shuttle valve (11), advance oil circuit controll block (12), propelling cylinder (13), clamp holder (14), one-way hydraulic lock (15), chuck (16) and cooler (19), it is characterized in that: described fuel tank (1) is connected with the S mouth of plunger pump (3), the P mouth of described plunger pump (3) is connected with the P mouth of multiple directional control valve (5), the X mouth of described plunger pump (3) is connected with the LS mouth of multiple directional control valve (5), the first M mouth of described multiple directional control valve (5) is connected with the first pressure gauge (6), first of described multiple directional control valve (5) is connected with revolution motor (10), import with shuttle valve (11) is connected the first A1 of described multiple directional control valve (5) with the B1 mouth, the outlet of described shuttle valve (11) is connected with the 5-linked A5 mouth of multiple directional control valve (5), first B1 mouth of described multiple directional control valve (5) is connected with the E mouth that advances oil circuit controll block (12), second of described multiple directional control valve (5) is connected with advancing oil circuit controll block (12), described propelling oil circuit controll block (12) is connected with propelling cylinder (13), the 3rd M2 mouth of described multiple directional control valve (5) is connected with the second pressure gauge (7), the tetrad of described multiple directional control valve (5) is connected with clamp holder (14), the 5-linked of described multiple directional control valve (5) is connected with chuck (16), the first R mouth of described multiple directional control valve (5) is connected with cooler (19), and described cooler (19) is connected with fuel tank (1);
Described S mouth is inlet port, and described P mouth is oil inlet and outlet, and described X mouth is control port, described LS mouth is the load-sensitive hydraulic fluid port, and described M mouth, M2 mouth are the pressure measurement hydraulic fluid port, and described A1, B1, A5 mouth are oil inlet and outlet, described E mouth is control port, and described R mouth is return opening.
2. mining all-hydraulic tunnel drilling rig hydraulic control system according to claim 1, it is characterized in that: described multiple directional control valve (5) comprises safety valve (51), filter (52), the first main control valve (53), the first compensator (54), the second main control valve (55), the second compensator (56), A2 mouth LS relief valve (57), B2 mouth LS relief valve (58), tetrad main control valve (59), tetrad compensator (510), A4 mouth LS relief valve (511), B4 mouth LS relief valve (512), 5-linked main control valve (513), tetrad compensator (516), A5 mouth LS relief valve (515), B5 mouth LS relief valve (514), 5-linked LS shuttle valve (517), tetrad LS shuttle valve (518), the second LS shuttle valve (519), the first LS shuttle valve (520); First main control valve (53) of described multiple directional control valve (5) and the second main control valve (55) are three ten threeway proportional reversing valves of band friction location, the tetrad main control valve (59) of multiple directional control valve (5) and 5-linked main control valve (513) are three ten threeway proportional reversing valves with the spring position, first main control valve (53) of described multiple directional control valve (5), the second main control valve (55) and tetrad main control valve (59) Median Function are the Y type, and the Median Function of the 5-linked main control valve (513) of multiple directional control valve (5) is the O type;
Described A2 mouth, B2 mouth, A4 mouth, B4 mouth, A5 mouth, B5 mouth are the oil inlet and outlet of multiple directional control valve (5).
3. mining all-hydraulic tunnel drilling rig hydraulic control system according to claim 1, it is characterized in that: described propelling oil circuit controll block (12) comprises the first damper (120), the second damper (121), the first relief valve (122), the second relief valve (129), the first one-way valve (123), the second one-way valve (128), sequence valve (125), the 3rd damper (124), the 4th damper (126) and 2/2-way pilot operated directional control valve (127); Described the first damper (120), the second damper (121), the first relief valve (122), the second relief valve (129), the first one-way valve (123), the second one-way valve (128) connect to form Bidirectional balanced valve with the A21/B21 hydraulic fluid port that advances oil circuit controll block (12); Described counter-rotating oil circuit control oil is through the control chamber of the 3rd damper (124), sequence valve (125) introducing 2/2-way pilot operated directional control valve (127), simultaneously control chamber signal oil sump tank after the leakage oil of the 4th damper (126) and sequence valve (125) converges; The oil inlet and outlet of described 2/2-way pilot operated directional control valve (127) is connected with the B22 hydraulic fluid port with the A22 that advances oil circuit controll block (12) respectively;
Described A21 hydraulic fluid port, B21 hydraulic fluid port, A22 hydraulic fluid port and B22 hydraulic fluid port are for advancing the oil inlet and outlet of oil circuit controll block (12).
4. mining all-hydraulic tunnel drilling rig hydraulic control system according to claim 1, it is characterized in that: described plunger pump (3) is variable displacement pump, and described multiple directional control valve (5) is the manual proportional reversing valve of load-sensitive.
5. mining all-hydraulic tunnel drilling rig hydraulic control system according to claim 1, it is characterized in that: pipeline is connected with quick release coupling (18) between the main control valve of described revolution motor (10), propelling cylinder (13), clamp holder (14), one-way hydraulic lock (15) and chuck (16) and multiple directional control valve (5), and oblique adjusting oil cylinder (9) and clamp holder (14) share the tetrad main control valve of multiple directional control valve (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210503070.XA CN102966612B (en) | 2012-11-30 | 2012-11-30 | Hydraulic control system for mining full-hydraulic underground drill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210503070.XA CN102966612B (en) | 2012-11-30 | 2012-11-30 | Hydraulic control system for mining full-hydraulic underground drill |
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| CN102966612A true CN102966612A (en) | 2013-03-13 |
| CN102966612B CN102966612B (en) | 2014-12-10 |
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| CN107448430A (en) * | 2017-09-19 | 2017-12-08 | 锦州力特液压科技有限公司 | All-hydraulic tunnel drilling rig multiple directional control valve |
| CN108612516A (en) * | 2018-06-07 | 2018-10-02 | 中国铁建重工集团有限公司 | A kind of rock drilling machine and its hydraulic control valve group |
| CN108661965A (en) * | 2018-05-28 | 2018-10-16 | 徐州燕大传动与控制技术有限公司 | A kind of 3 position-5 way load port independent control multi-way valve with Y type Median Functions |
| 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 |
| CN110513057A (en) * | 2019-08-07 | 2019-11-29 | 中煤科工集团西安研究院有限公司 | A kind of suspension type underground drill rig shackle device and method |
| CN110566526A (en) * | 2019-08-27 | 2019-12-13 | 中国煤炭科工集团太原研究院有限公司 | Full-hydraulic automatic leveling control device and control system for intelligent anchor rod drilling frame |
| CN111677707A (en) * | 2020-05-09 | 2020-09-18 | 中国船舶重工集团公司第七一六研究所 | Hydraulic control system suitable for automatic butt joint of loading and unloading arm for ship |
| CN112196847A (en) * | 2020-10-12 | 2021-01-08 | 江苏煤炭地质机械研制中心 | Hydraulic system of drilling machine actuating mechanism and working method thereof |
| CN114233193A (en) * | 2021-12-29 | 2022-03-25 | 徐州徐工基础工程机械有限公司 | Power head multi-mode horizontal directional drilling machine and control method thereof |
| CN114320290A (en) * | 2021-11-24 | 2022-04-12 | 中煤科工集团西安研究院有限公司 | Full hydraulic control system and control method for automatic rod-adding drilling machine for coal mine |
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| CN107448430A (en) * | 2017-09-19 | 2017-12-08 | 锦州力特液压科技有限公司 | All-hydraulic tunnel drilling rig multiple directional control valve |
| CN107448430B (en) * | 2017-09-19 | 2023-05-30 | 锦州力特液压科技有限公司 | All-hydraulic tunnel drilling machine multi-way reversing valve |
| CN108661965B (en) * | 2018-05-28 | 2022-02-11 | 徐州燕大传动与控制技术有限公司 | Three-position five-way load port independent control multi-way valve with Y-shaped neutral position function |
| CN108661965A (en) * | 2018-05-28 | 2018-10-16 | 徐州燕大传动与控制技术有限公司 | A kind of 3 position-5 way load port independent control multi-way valve with Y type Median Functions |
| CN108612516A (en) * | 2018-06-07 | 2018-10-02 | 中国铁建重工集团有限公司 | A kind of rock drilling machine and its hydraulic control valve group |
| CN108612516B (en) * | 2018-06-07 | 2024-02-20 | 中国铁建重工集团股份有限公司 | Rock drilling machine and hydraulic control valve group thereof |
| 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 |
| CN110513057B (en) * | 2019-08-07 | 2020-10-16 | 中煤科工集团西安研究院有限公司 | Suspension type underground drill rig shackle device and method |
| CN110513057A (en) * | 2019-08-07 | 2019-11-29 | 中煤科工集团西安研究院有限公司 | A kind of suspension type underground drill rig shackle device and method |
| CN110566526A (en) * | 2019-08-27 | 2019-12-13 | 中国煤炭科工集团太原研究院有限公司 | Full-hydraulic automatic leveling control device and control system for intelligent anchor rod drilling frame |
| CN111677707A (en) * | 2020-05-09 | 2020-09-18 | 中国船舶重工集团公司第七一六研究所 | Hydraulic control system suitable for automatic butt joint of loading and unloading arm for ship |
| CN112196847A (en) * | 2020-10-12 | 2021-01-08 | 江苏煤炭地质机械研制中心 | Hydraulic system of drilling machine actuating mechanism and working method thereof |
| CN114320290A (en) * | 2021-11-24 | 2022-04-12 | 中煤科工集团西安研究院有限公司 | Full hydraulic control system and control method for automatic rod-adding drilling machine for coal mine |
| CN114320290B (en) * | 2021-11-24 | 2023-08-11 | 中煤科工集团西安研究院有限公司 | Full-hydraulic control system and control method for automatic rod-adding drilling machine for coal mine |
| CN114233193A (en) * | 2021-12-29 | 2022-03-25 | 徐州徐工基础工程机械有限公司 | Power head multi-mode horizontal directional drilling machine and control method thereof |
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