CN202971363U - Full-hydraulic underground drill rig hydraulic control system for mine - Google Patents
Full-hydraulic underground drill rig hydraulic control system for mine Download PDFInfo
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- CN202971363U CN202971363U CN 201220649069 CN201220649069U CN202971363U CN 202971363 U CN202971363 U CN 202971363U CN 201220649069 CN201220649069 CN 201220649069 CN 201220649069 U CN201220649069 U CN 201220649069U CN 202971363 U CN202971363 U CN 202971363U
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- 238000005553 drilling Methods 0.000 claims abstract description 38
- 238000005065 mining Methods 0.000 claims description 17
- 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
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 79
- 238000001914 filtration Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010438 heat treatment Methods 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 utility model discloses a full-hydraulic underground drill rig hydraulic control system for a mine and belongs to the technical field of underground drill rig equipment. The full-hydraulic underground drill rig hydraulic control system for the mine comprises a plunger pump, a multiple directional control valve, a first pressure gage, a second pressure gage, a bidirection hydraulic lock, an inclination adjusting oil cylinder, a rotating motor, a shuttle valve, a boosting oil way control block, a boosting oil cylinder, a clamp holder, a one-way hydraulic lock, a chuck, a cooler and the like. Load-sensitive technology is adopted so as to improve efficiency of a control system, solve the problems that control is delayed, control accuracy is low, system heats seriously and the like, and be good in energy-saving effect. A load-sensitive manual operation proportional reversing valve is adopted so that control accuracy of the control system is improved, and operation is simple and convenient. The boosting oil way control block improves drilling scope of a drill rig, effectively solves the problem of slipping when the drill rig conducts large inclination angle drill, and improves drilling safety. The technology that the clamp holder and the clamping disc are combined to conduct reverse rotation to automatically dismantle a drill rod is adopted, so that labor intensity for dismantling of the drill rod is reduced, and working efficiency is improved.
Description
Technical field
The utility model patent 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 underground passage, is mainly used in the underground gas that creeps into and takes out the anti-fire extinguishing of (row) discharge hole, 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.
The model utility content
In view of this, the purpose of this utility model 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 utility model is mining comprises 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, 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 is controlled oil and is introduced the control chamber of 2/2-way pilot operated directional control valve, control chamber signal oil sump tank after the leakage oil of the 4th damper and sequence valve converges simultaneously through the 3rd damper, sequence valve; 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, between the main control valve of described revolution motor, propelling cylinder, clamp holder, one-way hydraulic lock and chuck and multiple directional control valve, pipeline is connected with quick release coupling, and oblique adjusting oil cylinder and clamp holder share the tetrad main control valve of multiple directional control valve.
The beneficial effects of the utility model: all-hydraulic tunnel drilling rig hydraulic control system that the utility model is mining, by the aforementioned techniques scheme, obtained following technique effect:
1, the utility model 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 energy-saving effect preferably.
2, the utility model 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 utility model employing, improved the scope of creeping into of rig, and efficiently solved the skid problem of rig when large inclined angle creeps into, and improved the Security of creeping into.
4, the utility model 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 utility model;
Fig. 2 is the schematic diagram of multiple directional control valve in Fig. 1;
Fig. 3 advances the schematic diagram of oil circuit controll block in Fig. 1.
In 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.
in Fig. 2: 51. safety valves, 52. filter, 53. the first main control valve, 54. the first compensator, 55. the second main control valve, 56. the second compensator, 57.A2 mouthful LS relief valve, 58.B2 mouthful LS relief valve, 59. tetrad main control valve, 510. tetrad compensator, 511.A4 mouthful LS relief valve, 512.B4 mouthful LS relief valve, 513. 5-linked main control valve, 516. tetrad compensator, 515.A5 mouthful LS relief valve, 514.B5 mouthful LS relief valve, 517. 5-linked LS shuttle valve, 518. tetrad LS shuttle valve, 519. the second LS shuttle valve, 520. the first LS shuttle valve.
In 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
Below in conjunction with drawings and Examples, the utility model is further described.
as shown in the figure, all-hydraulic tunnel drilling rig hydraulic control system that the present embodiment is mining comprises 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, 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 extend lifetime of system.
All-hydraulic tunnel drilling rig hydraulic control system that the present embodiment is mining has adopted the load-sensitive technology, has improved the efficient of control system, and has energy-saving effect preferably; 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 the 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 is controlled oil and is introduced the control chamber of 2/2-way pilot operated directional control valve 127 through the 3rd damper 124, sequence valve 125, 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 the present embodiment, described plunger pump 3 is variable displacement pump, and control mode is that power is controlled, 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 the present embodiment, 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, pipeline is connected with quick release coupling 18, 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, the present embodiment all-hydraulic tunnel drilling rig hydraulic control system, the low pressure oil that described plunger pump 3 sucks in 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 fuel tank 1 through cooler 19 and oil return fine filter 20, the load feedback signal oil of multiple directional control valve 5 is connected with the X mouth of plunger pump 3, the second pressure gauge 7 indication unit head propelling pressures, the first pressure gauge 6 indication unit heads rotations and retreat, clamp holder 14 and chuck 16 pressure.Multiple directional control valve 5 is controlled valve block by head and the tail connection and 5-linked and is formed, 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 advances the loop with advancing oil circuit controll block 12 and propelling cylinder 13 composition unit heads, controls unit head and 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 is controlled valve block and clamp holder 14 and one-way hydraulic lock 15 and is formed the clamp holder control loop, control clamping, the meta of clamp holder 14 and unclamp, simultaneously tetrad is controlled valve block and is formed oblique adjusting oil cylinder control loops with bidirectional hydraulic lock 8 and oblique adjusting oil cylinder 9, the rising of control oblique adjusting oil cylinder 9, stops and descending; 5-linked is controlled valve block and chuck 16 and one-way hydraulic lock and is formed the chuck control loop, controls clamping, the meta of chuck 16 and unclamps.
The standby operating mode, after actuating motor, the low pressure oil that plunger pump 3 sucks in 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 is only 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. the A4, B4 oil circuit that the tetrad of multiple directional control valve 5 is controlled valve block is connected with oblique adjusting oil cylinder loop by quick release coupling 18,2. operate tetrad and control the Joystick of 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 realize drilling operation, after a rod boring is complete, can add new drilling rod at the unit head afterbody, repeating above operation can realize creeping into continuously.
move back driller's condition, when creep into put in place after, stop advancing, 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 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 position of reversing, 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 connecting thread of two drilling rods comes loose, realize automatic dismantling drilling rod function.Repeat above action dismounting drilling rod continuously, realize moving back brill.
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 (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), 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); The oil circuit that reverses is controlled oil and is introduced the control chamber of 2/2-way pilot operated directional control valve (127) through the 3rd damper (124), sequence valve (125), 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: 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), pipeline is connected with quick release coupling (18), and oblique adjusting oil cylinder (9) and clamp holder (14) share the tetrad main control valve of multiple directional control valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649069 CN202971363U (en) | 2012-11-30 | 2012-11-30 | Full-hydraulic underground drill rig hydraulic control system for mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649069 CN202971363U (en) | 2012-11-30 | 2012-11-30 | Full-hydraulic underground drill rig hydraulic control system for mine |
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| CN202971363U true CN202971363U (en) | 2013-06-05 |
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| CN 201220649069 Expired - Fee Related CN202971363U (en) | 2012-11-30 | 2012-11-30 | Full-hydraulic underground drill rig hydraulic control system for mine |
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| CN102966612A (en) * | 2012-11-30 | 2013-03-13 | 中煤科工集团重庆研究院 | Hydraulic control system for mining full-hydraulic underground drill |
| CN103510845A (en) * | 2013-10-29 | 2014-01-15 | 七台河市新富机电制造有限责任公司 | Double-rod hydraulic drilling machine |
| CN103527534A (en) * | 2013-10-24 | 2014-01-22 | 连云港天明装备有限公司 | Novel feeding hydraulic system of all-hydraulic drill |
| CN103591061A (en) * | 2013-11-28 | 2014-02-19 | 安徽理工大学 | Full-hydraulic-control anti-explosion walking driving hydraulic system |
| CN106286481A (en) * | 2016-08-19 | 2017-01-04 | 中航飞机起落架有限责任公司 | A kind of hydraulic commutating circuit without channelling and commutation method thereof |
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