CN113107915B - Hydraulic control valve group and anchor rod drilling machine - Google Patents
Hydraulic control valve group and anchor rod drilling machine Download PDFInfo
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- CN113107915B CN113107915B CN202110286490.6A CN202110286490A CN113107915B CN 113107915 B CN113107915 B CN 113107915B CN 202110286490 A CN202110286490 A CN 202110286490A CN 113107915 B CN113107915 B CN 113107915B
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- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 19
- 230000001276 controlling effect Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a hydraulic control valve group and an anchor rod drilling machine, wherein the hydraulic control valve group comprises: the device comprises a fixed valve, an intermediate valve, an oil inlet and return valve and a plurality of functional valves; the fixed valve is provided with a drill box rotating control flow passage; the middle valve is provided with a plurality of switching runners, the middle valve is fixedly connected with the fixed valve, and the rotary control runner of the drilling box is hermetically communicated with the switching runners corresponding to the middle valve; the oil inlet and return valve is provided with a total oil inlet flow passage and a total oil return flow passage, the oil inlet and return valve is fixedly connected with the intermediate valve, and the total oil inlet flow passage and the total oil return flow passage are respectively communicated with the corresponding switching flow passages of the intermediate valve in a sealing way; every functional valve all has internal flow channel, and a plurality of functional valves all fix on the intermediate valve to with the sealed intercommunication of the corresponding switching runner of intermediate valve. According to the invention, other valves are connected together through the intermediate valve, so that 1 worker can operate a plurality of anchor rod drilling machines to drill holes simultaneously, the number of support workers is reduced, the labor intensity is reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of hydraulic control, in particular to a hydraulic control valve group and a jumbolter.
Background
When a roadway is excavated, three working procedures of digging, transporting and supporting cannot be coordinated and synchronized, the digging and transporting working procedures wait for a supporting working procedure, and the digging proportion is not balanced. The supporting time accounts for 60% -70% of the comprehensive tunneling time and becomes a main factor influencing the tunneling speed of the roadway. However, as the anchor bolt supporting equipment falls behind, the supporting efficiency is a main factor for restricting the roadway driving.
Most of the existing jumbolters used in coal mines adopt handheld pneumatic drilling machines, handheld hydraulic drilling machines or machine-mounted hydraulic jumbolters. The single drilling machine has simple structure, laggard technology, must be operated by people on the back and shoulder, at least more than 2 persons are required for cooperative operation of each drilling machine, the efficiency is low, the labor intensity is high, the working environment is severe, and the safety is poor. The machine-mounted hydraulic jumbolter is mainly controlled by a multi-way valve, so that the cost is high, the automatic drilling operation is inconvenient, the labor intensity of workers is high, and the overall efficiency is not high.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, an embodiment of the present invention proposes a hydraulic control valve group for a roof bolter, comprising:
the fixed valve is fixedly connected with the mounting part and is provided with a drill box rotation control flow passage;
the middle valve is provided with a plurality of switching flow passages, the middle valve is fixedly connected with the fixed valve, and the rotary control flow passage of the drilling box is in sealing communication with the switching flow passage corresponding to the middle valve;
the oil inlet and return valve is provided with a total oil inlet flow passage and a total oil return flow passage, the oil inlet and return valve is fixedly connected with the intermediate valve, and the total oil inlet flow passage and the total oil return flow passage are respectively communicated with the corresponding switching flow passages of the intermediate valve in a sealing manner;
and the functional valves are used for controlling the anchor rod drilling machine to work, each functional valve is provided with an internal flow channel, and the functional valves are fixed on the intermediate valve and are communicated with the corresponding switching flow channels of the intermediate valve in a sealing manner.
The hydraulic control valve group provided by the embodiment of the invention is designed into a split structure according to the control function, and the split valve group has the advantages of simplicity in processing, low cost, convenience in connection among the valve groups, few pipelines, convenience in pipeline arrangement, easiness in maintenance and the like. Other valves are connected together through the intermediate valve, so that 1 worker can operate a plurality of anchor rod drilling machines to drill holes simultaneously, the number of supporting workers is reduced, the labor intensity is reduced, and the working efficiency is improved.
According to the hydraulic control valve group disclosed by the embodiment of the invention, an O-shaped ring is arranged between the rotary control flow passage of the drilling box and the corresponding switching flow passage of the intermediate valve so as to realize sealed communication;
o-shaped rings are arranged between the total oil inlet flow passage and the total oil return flow passage and the corresponding switching flow passage of the intermediate valve respectively so as to realize sealed communication;
and O-shaped rings are arranged between the plurality of functional valves and the switching flow passages corresponding to the intermediate valves respectively so as to realize sealed communication.
According to an embodiment of the present invention, the plurality of functional valves includes:
the drilling and dust removing control valve is used for controlling the anchor rod drilling machine to automatically drill holes and remove dust;
an upper operating valve for controlling at least one of automatic rotation, manual rotation, automatic feed, manual feed, and support column lifting action of the jumbolter;
the speed regulating valve is used for controlling the automatic feeding speed of the jumbolter;
the quick-stop valve is used for controlling the jumbolter to stop automatic rotation, automatic feeding and dust removal actions;
and the lower operating valve is used for controlling the anchor rod drilling machine to swing back and forth, rotate left and right, open and close the clamping drill rod, start and stop the fan and move the drilling rig laterally.
According to the hydraulic control valve group provided by the embodiment of the invention, the middle valve is in a cuboid shape, and the upper operating valve, the speed regulating valve, the quick stop valve and the lower operating valve are all fixed on the first surface of the cuboid.
According to the hydraulic control valve group provided by the embodiment of the invention, the drilling dust removal control valve and the oil inlet and return valve are fixed on the second surface of the cuboid, and the first surface and the second surface are arranged oppositely.
According to the hydraulic control valve group provided by the embodiment of the invention, the fixed valve is fixed on the third surface of the cuboid.
According to the hydraulic control valve group provided by the embodiment of the invention, the plurality of functional valves further comprise water valves, the water valves are hydraulic control valves, and oil inlets of the hydraulic control valves are hermetically communicated with the corresponding adapter flow passages of the intermediate valve.
According to the hydraulic control valve group provided by the embodiment of the invention, the water valve is fixed on the second surface of the cuboid.
According to the hydraulic control valve group provided by the embodiment of the invention, the mounting component is a drill stand or a mounting rack.
According to the hydraulic control valve group of the embodiment of the invention, the middle valve is provided with a first oil port, a second oil port, a third oil port, a fourth oil port, a fifth oil port, a sixth oil port, a seventh oil port, an eighth oil port, a ninth oil port, a tenth oil port, an eleventh oil port, a twelfth oil port, a thirteenth oil port, a fourteenth oil port, a fifteenth oil port, a sixteenth oil port, a seventeenth oil port, an eighteenth oil port, a nineteenth oil port, a twentieth oil port, a twenty-first oil port, a twenty-second oil port, a twenty-third oil port, a twenty-fourth oil port, a twenty-fifth oil port, a twenty-sixth oil port, a twenty-seventh oil port, a twenty-eighth oil port, a twenty-ninth oil port, a thirty-fifth oil port, a thirty-eleventh oil port, a thirty-second oil port, a thirty-fourth oil port, a twenty-fifth oil port, a twenty-sixth oil port, a twenty-seventh oil port, a twenty-eighth oil port, a twenty-ninth oil port, a thirty-sixth oil port a thirty-third oil port, a thirty-fourth oil port, a thirty-fifth oil port, a thirty-sixth oil port, a thirty-seventh oil port, a thirty-eighth oil port, a thirty-ninth oil port, a forty-fourth oil port, a forty-first oil port, a forty-second oil port, a forty-third oil port, a forty-fourth oil port, a forty-fifth oil port, a forty-sixth oil port, a forty-seventh oil port, a forty-eighth oil port, a forty-ninth oil port, a fifty-fifth oil port, a fifty-second oil port, a fifty-third oil port, a fifty-fourth oil port, a fifty-fifth oil port, a fifty-sixth oil port, a fifty-seventh oil port, a fifty-eighth oil port, a fifty-ninth oil port and a sixty oil port;
the first oil port, the second oil port, the third oil port, the fourth oil port, the fifth oil port, the sixth oil port, the seventh oil port, the eighth oil port, the ninth oil port, the tenth oil port, the eleventh oil port, the twelfth oil port, the thirteenth oil port and the fourteenth oil port are all communicated with the oil inlet and return valve;
the fifteenth oil port, the sixteenth oil port, the seventeenth oil port, the eighteenth oil port, the nineteenth oil port, the twentieth oil port, the twenty-first oil port, the twenty-second oil port, the twenty-third oil port, the twenty-fourth oil port, the twenty-fifth oil port, the twenty-sixth oil port, the twenty-seventh oil port, the twenty-eighth oil port, the twenty-ninth oil port, the thirty-fifth oil port and the thirty-eleventh oil port are all communicated with the drilling dust removal control valve;
the thirty-second oil port and the thirty-third oil port are both communicated with the fixed valve;
the thirty-fourth oil port, the thirty-fifth oil port, the thirty-sixth oil port, the thirty-seventh oil port, the thirty-eighth oil port, the thirty-ninth oil port, the forty-fourth oil port, the forty-first oil port, the forty-second oil port, the forty-third oil port, the forty-fourth oil port, the forty-fifth oil port, the forty-sixth oil port and the forty-seventh oil port are all communicated with the upper operating valve;
the forty-eighth oil port, the forty-ninth oil port, the fifty-fifth oil port and the fifty-first oil port are all communicated with the emergency stop valve;
the fifty-second oil port, the fifty-third oil port and the fifty-fourth oil port are communicated with the speed regulating valve;
the fifty-fifth oil port, the fifty-sixth oil port, the fifty-seventh oil port, the fifty-eighth oil port and the fifty-ninth oil port are communicated with the lower operation valve;
the first oil port is communicated with the forty-third oil port, the second oil port is communicated with the forty-first oil port and the fifty-sixth oil port, the third oil port is communicated with the thirty-third oil port, the fourth oil port is communicated with the seventeenth oil port and the eighteenth oil port, the fifth oil port is communicated with the thirty-ninth oil port, the sixth oil port is communicated with the thirteenth oil port and the forty-fourth oil port, the seventh oil port is communicated with the twenty-first oil port, the eighth oil port is communicated with the nineteenth oil port, the ninth oil port is communicated with the sixteenth oil port, the tenth oil port is communicated with the thirty-fifth oil port and the twenty-sixth oil port, and the eleventh oil port is communicated with the thirty-sixth oil port, the twelfth oil port is communicated with the forty-fourth oil port and the fifty-eighth oil port, the thirteenth oil port is communicated with the forty-fourth oil port, the fourteenth oil port is communicated with the forty-second oil port, the fifty-first oil port, the fifty-second oil port, the fifty-ninth oil port and the twenty-third oil port, the sixteenth oil port is communicated with the fifteenth oil port, the twenty-fourth oil port is communicated with the twenty-seventh oil port, the forty-sixth oil port, the forty-ninth oil port, the fifty-fifth oil port, the fifty-fourth oil port and the fifty-seventh oil port, the twenty-eighth oil port is communicated with the fifty-third oil port, the twenty-ninth oil port is communicated with the forty-eighth oil port, and the thirty-eleventh oil port is communicated with the forty-first oil port and the fifty-sixth oil port.
In another aspect, the invention provides a jumbolter, which includes the hydraulic control valve group of the embodiment of the invention, the drill box rotation control flow channel is in sealed communication with the flow channel on the mounting part, and the flow channel on the mounting part leads to the drill box.
Drawings
Fig. 1 is a schematic perspective view of a hydraulic control valve assembly according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a fixed valve according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of an intermediate valve according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a dedusting control valve for drilling according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of an oil inlet/return valve according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of an upper operating valve in accordance with an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a speed valve according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a hard stop valve according to an embodiment of the present invention;
FIG. 9 is a schematic perspective view of a lower operating valve in accordance with an embodiment of the present invention;
FIG. 10 is a schematic perspective view of a fitting according to an embodiment of the present invention;
fig. 11 is a schematic diagram of an oil passage of an intermediate valve according to an embodiment of the present invention.
Reference numerals:
10-a fixed valve; 11-fixing plate, 12-fixing screw, 13-O-shaped ring, 14-fixing screw;
20-an intermediate valve; 21-an intermediate valve block, 22-a lower operating valve set fixing screw hole, 23-an emergency stop valve set fixing screw hole, 24-a speed regulating valve set fixing screw hole, 25-an upper operating valve set fixing screw hole and 26-a fixing valve set fixing screw hole;
30-oil inlet and return valves; 31-oil inlet and return valve block, 32-O-shaped ring, 33-fixing screw and 34-functional valve block plug-in unit;
40-drilling dust removal control valve; 41-an oil inlet valve block, 42-an O-shaped ring, 43-a fixing screw and 44-an oil inlet valve block insert;
50-upper operating valve; 51-upper operating valve block, 52-O-ring, 53-set screw, 54-upper operating valve block insert;
60-speed regulating valve; 61-a speed regulating valve block, 62-an O-shaped ring, 63-a fixing screw and 64-a speed regulating valve block plug-in unit;
70-a hard stop valve; 71-scram valve block, 72-O-ring, 73-set screw, 74-scram valve block insert;
80-lower operating valve; 81-lower operating valve block, 82-O-ring, 83-set screw, 84-lower operating valve block insert;
a 90-water valve; 91-water valve block, 92-O-shaped ring, 93-fixing screw and 94-water valve block plug-in.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
Referring to fig. 1, the present embodiment provides a hydraulic control valve pack for a jumbolter, the hydraulic control valve pack including: a fixed valve 10, an intermediate valve 20, an inlet/outlet valve 30 and a plurality of functional valves. The standing valve 10 is adapted to be fixedly connected to a mounting member, which may be a drill stand or a mounting bracket. The fixed valve 10 is provided with a drill box rotating control flow passage; the intermediate valve 20 is provided with a plurality of switching flow passages, the intermediate valve 20 is fixedly connected with the fixed valve 10, and the drill box rotating control flow passage is in sealed communication with the corresponding switching flow passage of the intermediate valve 20; the oil inlet and return valve 30 is provided with a total oil inlet flow passage and a total oil return flow passage, the oil inlet and return valve 30 is fixedly connected with the intermediate valve 20, and the total oil inlet flow passage and the total oil return flow passage are respectively communicated with the corresponding switching flow passages of the intermediate valve 20 in a sealing manner; the functional valves are used for controlling the jumbolter to work, each functional valve is provided with an internal flow channel, and the functional valves are fixed on the intermediate valve 20 and are communicated with the switching flow channels corresponding to the intermediate valve 20 in a sealing mode. The specific manner of the fixed connection in the above scheme may be a screw connection.
In the working process of the hydraulic control valve group, high-pressure oil firstly enters the oil inlet and return valve 30 from the main oil inlet flow passage, flows into the intermediate valve 20 through the main oil inlet flow passage and the opening of the cartridge valve, and realizes corresponding actions according to the operation conditions and logic control of a plurality of functional valves. The actuated low-pressure oil is merged to the total return flow path of the oil inlet and return valve 30 through the internal flow path and then flows into the oil tank return port. The oil drainage passing through each pressure valve and the reversing valve is converged to the oil drainage port of the intermediate valve 20 through the internal flow passage and then flows into the oil drainage port of the oil tank.
The hydraulic control valve group of the embodiment is designed into a split structure according to a control function, and the split valve group has the advantages of simplicity in processing, low cost, convenience in connection among valve groups, few pipelines, convenience in pipeline arrangement, easiness in maintenance and the like. Other valves are connected together through the intermediate valve 20, so that 1 worker can operate a plurality of anchor rod drilling machines to drill holes simultaneously, the number of supporting workers is reduced, the labor intensity is reduced, and the working efficiency is improved.
In a specific embodiment, an O-ring is arranged between the drill box rotation control flow passage and the switching flow passage corresponding to the intermediate valve 20 to realize sealed communication; an O-shaped ring is arranged between the total oil inlet flow passage and the total oil return flow passage and the corresponding switching flow passage of the intermediate valve 20 respectively so as to realize sealed communication; and O-shaped rings are arranged between the switching flow passages of the functional valves corresponding to the intermediate valves 20 respectively so as to realize sealed communication. The O-shaped ring is made of rubber, and the sealing effect is good.
In one particular embodiment, the plurality of functional valves includes: a drill hole dust removal control valve 40, an upper operation valve 50, a speed regulating valve 60, an emergency stop valve 70, and a lower operation valve 80. The drilling dust removal control valve 40 is used for controlling the anchor rod drilling machine to automatically drill holes and remove dust; the upper operation valve 50 is used for controlling at least one of automatic rotation, manual rotation, automatic feeding, manual feeding and supporting column lifting actions of the jumbolter; the speed regulating valve 60 is used for controlling the automatic feeding speed of the jumbolter; the quick stop valve 70 is used for controlling the jumbolter to stop automatic rotation, automatic feeding and dust removal actions; the lower operating valve 80 is used for controlling the anchor rod drilling machine to swing back and forth, rotate left and right, open and close a clamping drill rod, start and stop a fan and move the drill frame laterally.
The upper operating valve 50, the speed valve 60, the scram valve 70, and the lower operating valve 80 each have an operating handle. The operator controls the operating handles to realize the automation of the drilling process and the dust removal follow-up control of the anchor rod drilling machine, the actions of manual rotation, manual feeding, front-back swinging, left-right swinging, support column lifting, drill rod clamping opening and closing, lateral movement of the drilling machine and the like of the drilling machine, the operation is convenient, and the operation position is relatively flexible.
In the present embodiment, the intermediate valve 20 has a rectangular parallelepiped shape, and the upper operation valve 50, the speed control valve 60, the emergency stop valve 70, and the lower operation valve 80 are fixed to a first surface of the rectangular parallelepiped shape. Referring to fig. 3, the intermediate valve 20 includes: the intermediate valve block 21 is provided with a lower operating valve group fixing screw hole 22, an emergency stop valve group fixing screw hole 23, a speed regulating valve group fixing screw hole 24, an upper operating valve group fixing screw hole 25 and a fixing valve group fixing screw hole 26.
Further, the drilling dust removal control valve 40 and the oil inlet and return valve 30 are fixed on a second surface of the cuboid, and the first surface and the second surface are arranged oppositely. The drilling dust removal control valve 40 and the oil inlet and return valve 30 are arranged on two parallel surfaces of the middle valve block 21 opposite to other functional valves, so that the design of a switching flow passage in the middle valve block 21 can be simplified, and the reliability is higher.
Further, the fixed valve 10 is fixed to a third surface of the rectangular parallelepiped. The installation of the standing valve 10 and the installation component is facilitated by arranging the standing valve 10 on the third surface of the cuboid.
In a specific embodiment, the plurality of functional valves further includes a water valve 90, the water valve 90 is a hydraulic control valve, and an oil inlet of the hydraulic control valve is in sealed communication with the corresponding transfer flow passage of the intermediate valve 20. The water outlet of the water valve 90 leads into the hollow drill rod to discharge coal dust and the like generated by the drill hole out of the drill hole.
Wherein the water valve 90 is fixed to the second face of the cuboid.
Referring to fig. 2, the fixed valve 10 includes a fixed plate 11, and a fixing screw 12, an O-ring 13, a fixing screw 14, and the like are disposed on the fixed plate 11.
Referring to fig. 5, the oil inlet and return valve 30 includes an oil inlet and return valve block 31, and the oil inlet and return valve block 31 is provided with an O-ring 32, a fixing screw 33, and a functional valve block insert 34.
Referring to fig. 4, the drilling dust removal control valve 40 includes an oil inlet valve block 41, and an O-ring 42, a fixing screw 43, and an oil inlet valve block insert 44 are disposed on the oil inlet valve block 41.
Referring to fig. 6, the upper operating valve 50 includes an upper operating valve block 51, and the upper operating valve block 51 is provided with an O-ring 52, a fixing screw 53, and an upper operating valve block insert 54.
Referring to fig. 7, the speed regulating valve 60 includes a speed regulating valve block 61, and an O-ring 62, a fixing screw 63 and a speed regulating valve block insert 64 are disposed on the speed regulating valve block 61;
referring to fig. 8, the emergency stop valve 70 includes an emergency stop valve block 71, and an O-ring 72, a fixing screw 73 and an emergency stop valve block insert 74 are disposed on the emergency stop valve block 71;
referring to fig. 9, the lower operating valve 80 includes a lower operating valve block 81, an O-ring 82 provided on the lower operating valve block 81, a fixing screw 83, and a lower operating valve block insert 84;
referring to fig. 10, the water valve 90 includes a water valve block 91, and an O-ring 92, a fixing screw 93 and a water valve block insert 94 are disposed on the water valve block 91.
In one embodiment, referring to fig. 11, the intermediate valve 20 has a first oil port 160, a second oil port 161, a third oil port 162, a fourth oil port 164, a fifth oil port 157, a sixth oil port 158, a seventh oil port 153, an eighth oil port 152, a ninth oil port 150, a tenth oil port 156, an eleventh oil port 155, a twelfth oil port 151, a thirteenth oil port 163, a fourteenth oil port 159, a fifteenth oil port 179, a sixteenth oil port 173, a seventeenth oil port 169, an eighteenth oil port 170, a nineteenth oil port 174, a twentieth oil port 178, a twenty-first oil port 177, a twenty-second oil port 175, a twenty-third oil port 172, a twenty-fourth oil port 186, a twenty-fifth oil port 181, a twenty-sixth oil port 176, a twenty-seventh oil port 182, a twenty-eighth oil port 171, a twenty-ninth oil port 188, a thirty oil port 185, a thirty-first oil port 187, a thirty-second oil port 62a, a a thirty-third oil port 55a, a thirty-fourth oil port 46a, a thirty-fifth oil port 42a, a thirty-sixth oil port 37a, a thirty-seventh oil port 40a, a thirty-eighth oil port 45a, a thirty-ninth oil port 41a, a forty-ninth oil port 36a, a forty-first oil port 43a, a forty-second oil port 35a, a forty-third oil port 44a, a forty-fourth oil port 38a, a forty-fifth oil port 39a, a forty-sixth oil port 34a, a forty-seventh oil port 33a, a forty-eighth oil port 18a, a forty-ninth oil port 24a, a fifty-fifth oil port 19a, a fifty-first oil port 20a, a fifty-second oil port 21a, a fifty-third oil port 23a, a fifty-fourth oil port 22a, a fifty-fifth oil port 10a, a fifty-sixth oil port 8a, a seventh oil port 6a, an eighth oil port 7a, a ninth oil port 9a and a sixty-tenth oil port 68; all the oil ports are specifically opened in the intermediate valve block 21 of the intermediate valve 20.
The first oil port 160, the second oil port 161, the third oil port 162, the fourth oil port 164, the fifth oil port 157, the sixth oil port 158, the seventh oil port 153, the eighth oil port 152, the ninth oil port 150, the tenth oil port 156, the eleventh oil port 155, the twelfth oil port 151, the thirteenth oil port 163 and the fourteenth oil port 159 are all communicated with the oil inlet and return valve 30; the fifteenth oil port 179, the sixteenth oil port 173, the seventeenth oil port 169, the eighteenth oil port 170, the nineteenth oil port 174, the twentieth oil port 178, the twenty-first oil port 177, the twenty-second oil port 175, the twenty-third oil port 172, the twenty-fourth oil port 186, the twenty-fifth oil port 181, the twenty-sixth oil port 176, the twenty-seventh oil port 182, the twenty-eighth oil port 171, the twenty-ninth oil port 188, the thirty oil port 185 and the thirty-eleventh oil port 187 are all communicated with the drilling dust removal control valve 40; the thirty-second oil port 62a and the thirty-third oil port 55a are both communicated with the fixed valve 10; the thirty-fourth oil port 46a, the thirty-fifth oil port 42a, the thirty-sixth oil port 37a, the thirty-seventh oil port 40a, the thirty-eighth oil port 45a, the thirty-ninth oil port 41a, the forty-fourth oil port 36a, the forty-first oil port 43a, the forty-second oil port 35a, the forty-third oil port 44a, the forty-fourth oil port 38a, the forty-fifth oil port 39a, the forty-sixth oil port 34a and the forty-seventh oil port 33a are all communicated with the upper operating valve 50; the forty-eighth oil port 18a, the forty-ninth oil port 24a, the fifty-fifth oil port 19a and the fifty-first oil port 20a are all communicated with the quick-stop valve 70; the fifty-second oil port 21a, the fifty-third oil port 23a and the fifty-fourth oil port 22a are all communicated with the speed regulating valve 60; the fifty-fifth port 10a, the fifty-sixth port 8a, the fifty-seventh port 6a, the fifty-eighth port 7a, and the fifty-ninth port 9a are all communicated with the lower operating valve 80.
The first oil port 160 is communicated with the forty-third oil port 44a, the second oil port 161 is communicated with the forty-first oil port 43a and the fifty-sixth oil port 8a, the third oil port 162 is communicated with the thirty oil port 185, the fourth oil port 164 is communicated with the seventeenth oil port 169, the eighteenth oil port 170 and the LS port, the fifth oil port 157 is communicated with the thirty-ninth oil port 41a, the sixth oil port 158 is communicated with the thirteenth oil port 163 and the forty-fourth oil port 36a, the seventh oil port 153 is communicated with the twenty-first oil port 177, the eighth oil port 152 is communicated with the nineteenth oil port 174, the ninth oil port 150 is communicated with the sixteenth oil port 173, the tenth oil port 156 is communicated with the thirty-fifth oil port 42a and the twenty-178, and the eleventh oil port 155 is communicated with the thirty-sixth oil port 37a, the twelfth oil port 151 is communicated with the forty-fourth oil port 38a and the fifty-eighth oil port 7a, the thirteenth oil port 163 is communicated with the forty-fourth oil port 36a, the fourteenth oil port 159 is communicated with the forty-second oil port 35a, the fifty-first oil port 20a, the fifty-second oil port 21a, the fifty-ninth oil port 9a and the twenty-third oil port 172, the sixteenth oil port 68 is communicated with the fifteenth oil port 179, the twenty-fourth oil port 186 is communicated with the twenty-seventh oil port 182, the forty-sixth oil port 34a, the forty-ninth oil port 24a, the fifty-fifth oil port 19a, the fifty-fourth oil port 22a and the fifty-seventh oil port 6a, the twenty-eighth oil port 171 is communicated with the fifty-third oil port 23a, the twenty-ninth oil port 188 is communicated with the forty-eighth oil port 18a, the eleventh oil port 187 is communicated with the forty-first oil port 43a and the fifty-sixth oil port 8a, the forty-sixth oil port 34a is communicated with the DR port, the twenty-second oil port 175 is communicated with the port B7, the thirty-seventh oil port 40a is communicated with the port A1, and the thirty-eighth oil port 45a is communicated with the port B1.
The above-mentioned design about intermediate valve 20 can realize with the integration of other each valve block, has saved many pipelines moreover, has simplified the pipeline of roofbolter and has arranged, is favorable to improving the stability of work.
Other passages and ports may be provided in the intermediate valve block 21 as desired by those skilled in the art. The above-described design of the intermediate valve 20 is only one specific example, and other similar solutions can be devised by those skilled in the art in light of the present teachings.
The internal structure of each other valve block can be implemented by those skilled in the art according to the prior art, and the embodiment is not specifically described.
Based on the above description about the hydraulic control valve group, the present embodiment further provides a jumbolter, which includes the hydraulic control valve group of the present embodiment, the drill box rotation control flow passage is in sealed communication with the flow passage on the mounting part, and the flow passage on the mounting part leads to the drill box.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A hydraulic control valve assembly for a jumbolter, comprising:
the fixed valve (10) is fixedly connected with the mounting part, and the fixed valve (10) is provided with a drill box rotating control flow passage;
the intermediate valve (20) is provided with a plurality of switching flow passages, the intermediate valve (20) is fixedly connected with the fixed valve (10), and the drill box rotating control flow passage is in sealing communication with the corresponding switching flow passage of the intermediate valve (20);
the oil inlet and return valve (30) is provided with a total oil inlet flow passage and a total oil return flow passage, the oil inlet and return valve (30) is fixedly connected with the intermediate valve (20), and the total oil inlet flow passage and the total oil return flow passage are respectively communicated with the corresponding switching flow passages of the intermediate valve (20) in a sealing manner;
the functional valves are used for controlling the anchor rod drilling machine to work, each functional valve is provided with an internal flow channel, and the functional valves are fixed on the intermediate valve (20) and are in sealed communication with the switching flow channels corresponding to the intermediate valve (20);
the plurality of functional valves includes:
the drilling and dust removing control valve (40) is used for controlling the anchor rod drilling machine to automatically drill holes and remove dust;
an upper operating valve (50) for controlling at least one of automatic rotation, manual rotation, automatic feed, manual feed, and support post raising and lowering actions of the jumbolter;
the speed regulating valve (60) is used for controlling the automatic feeding speed of the jumbolter;
a hard stop valve (70) for controlling the jumbolter to stop automatic rotation, automatic feeding and dust removal actions;
the lower operating valve (80) is used for controlling the anchor rod drilling machine to swing back and forth, rotate left and right, open and close a clamping drill rod, start and stop a fan and move the drilling rig laterally;
the middle valve (20) is in a cuboid shape, and the upper operation valve (50), the speed regulating valve (60), the emergency stop valve (70) and the lower operation valve (80) are all fixed on a first surface of the cuboid;
the drilling dust removal control valve (40) and the oil inlet and return valve (30) are fixed on a second face of the cuboid, and the first face and the second face are arranged oppositely.
2. The set of hydraulic control valves according to claim 1, characterized in that an O-ring is provided between the drill box rotary control flow channel and the corresponding transfer flow channel of the intermediate valve (20) to achieve sealed communication;
o-shaped rings are arranged between the total oil inlet flow passage and the total oil return flow passage and the corresponding switching flow passage of the intermediate valve (20) respectively to realize sealed communication;
o-shaped rings are arranged between the switching flow passages of the functional valves corresponding to the intermediate valves (20) respectively to realize sealed communication.
3. Set of hydraulic control valves according to claim 1, characterized in that the fixed valve (10) is fixed to a third face of the cuboid.
4. The set of hydraulic control valves according to claim 3, wherein the plurality of functional valves further comprise a water valve (90), the water valve (90) is a hydraulic control valve, and an oil inlet of the hydraulic control valve is in sealed communication with a corresponding transfer flow passage of the intermediate valve (20).
5. The hydraulic control valve block as recited in claim 4, wherein the water valve (90) is secured to the second face of the cuboid.
6. The hydraulic control valve group of claim 3, wherein the intermediate valve (20) has a first oil port (160), a second oil port (161), a third oil port (162), a fourth oil port (164), a fifth oil port (157), a sixth oil port (158), a seventh oil port (153), an eighth oil port (152), a ninth oil port (150), a tenth oil port (156), an eleventh oil port (155), a twelfth oil port (151), a thirteenth oil port (163), a fourteenth oil port (159), a fifteenth oil port (179), a sixteenth oil port (173), a seventeenth oil port (169), an eighteenth oil port (170), a nineteenth oil port (174), a twentieth oil port (178), a twenty-first oil port (177), a twenty-second oil port (175), a twenty-third oil port (172), a twenty-fourth oil port (186), a twenty-fifth oil port (181), a twenty-sixth oil port (176), a twenty-seventh oil port (182), a twenty-eighth oil port (171), a twenty-ninth oil port (188), a thirty-third oil port (185), a thirty-fourth oil port (187), a thirty-third oil port (42 a), a thirty-fifth oil port (42), thirty-third oil port (46), thirty-a), thirty-eighth oil port (46 a), A thirty-eighth oil port (45 a), a thirty-ninth oil port (41 a), a forty-fourth oil port (36 a), a forty-first oil port (43 a), a forty-second oil port (35 a), a forty-third oil port (44 a), a forty-fourth oil port (38 a), a forty-fifth oil port (39 a), a forty-sixth oil port (34 a), a forty-seventh oil port (33 a), a forty-eighth oil port (18 a), a forty-ninth oil port (24 a), a fifty-sixth oil port (19 a), a fifty-first oil port (20 a), a fifty-second oil port (21 a), a fifty-third oil port (23 a), a fifty-fourth oil port (22 a), a fifty-fifth oil port (10 a), a fifty-sixth oil port (8 a), a fifty-seventh oil port (6 a), a fifty-eighth oil port (7 a), a ninth oil port (9 a) and a sixty oil port (68);
the first oil port (160), the second oil port (161), the third oil port (162), the fourth oil port (164), the fifth oil port (157), the sixth oil port (158), the seventh oil port (153), the eighth oil port (152), the ninth oil port (150), the tenth oil port (156), the eleventh oil port (155), the twelfth oil port (151), the thirteenth oil port (163) and the fourteenth oil port (159) are all communicated with the oil inlet and return valve (30);
the fifteenth oil port (179), the sixteenth oil port (173), the seventeenth oil port (169), the eighteenth oil port (170), the nineteenth oil port (174), the twentieth oil port (178), the twenty-first oil port (177), the twenty-second oil port (175), the twenty-third oil port (172), the twenty-fourth oil port (186), the twenty-fifth oil port (181), the twenty-sixth oil port (176), the twenty-seventh oil port (182), the twenty-eighth oil port (171), the twenty-ninth oil port (188), the thirty-fourth oil port (185) and the thirty-eleventh oil port (187) are all communicated with the drilling dust removal control valve (40);
the thirty-second oil port (62 a) and the thirty-third oil port (55 a) are both communicated with the fixed valve (10);
the thirty-fourth oil port (46 a), the thirty-fifth oil port (42 a), the thirty-sixth oil port (37 a), the thirty-seventh oil port (40 a), the thirty-eighth oil port (45 a), the thirty-ninth oil port (41 a), the forty-fourth oil port (36 a), the forty-first oil port (43 a), the forty-second oil port (35 a), the forty-third oil port (44 a), the forty-fourth oil port (38 a), the forty-fifth oil port (39 a), the forty-sixth oil port (34 a) and the forty-seventh oil port (33 a) are all communicated with the upper operating valve (50);
the forty-eighth oil port (18 a), the forty-ninth oil port (24 a), the fifty-fifth oil port (19 a) and the fifty-first oil port (20 a) are all communicated with the quick-stop valve (70);
the fifty-second oil port (21 a), the fifty-third oil port (23 a) and the fifty-fourth oil port (22 a) are communicated with the speed regulating valve (60);
the fifty-fifth oil port (10 a), the fifty-sixth oil port (8 a), the fifty-seventh oil port (6 a), the fifty-eighth oil port (7 a) and the fifty-ninth oil port (9 a) are all communicated with the lower operation valve (80);
the first oil port (160) is communicated with the forty-third oil port (44 a), the second oil port (161) is communicated with the forty-first oil port (43 a) and the fifty-sixth oil port (8 a), the third oil port (162) is communicated with the thirty-third oil port (185), the fourth oil port (164) is communicated with the seventeenth oil port (169) and the eighteenth oil port (170), the fifth oil port (157) is communicated with the thirty-ninth oil port (41 a), the sixth oil port (158) is communicated with the thirteenth oil port (163) and the forty-fourth oil port (36 a), the seventh oil port (153) is communicated with the twenty-first oil port (177), the eighth oil port (152) is communicated with the nineteenth oil port (174), the ninth oil port (150) is communicated with the sixteenth oil port (173), the tenth oil port (156) is communicated with the thirty-fifth oil port (42 a) and the twenty-fifth oil port (178), the eleventh oil port (155) is communicated with the thirty-third oil port (155), the sixteenth oil port (151 a) is communicated with the forty-twelfth oil port (159), the fourteenth oil port (151 a) is communicated with the forty-twelfth oil port (151 a), the forty-eighth oil port (151 a) is communicated with the forty-twelfth oil port (159), the fourteenth oil port (151 a) is communicated with the forty-eighth oil port (151 a) is communicated with the forty-twelfth oil port (151 a), the forty-twelfth oil port (151 a) is communicated with the forty-twelfth oil port (151 a, the forty-twelfth oil port (159), the forty-twelfth oil port (151 a) is communicated with the forty-eighth oil port (151 a, the forty-fourteenth oil port (151 a) is communicated with the forty-twelfth oil port (159), the twenty-eighth oil port (151 a, the twenty-fourteenth oil port (151 a) is communicated with the twenty-eighth oil port (159), and the twenty-eighth oil port (151 a, the fifty-first oil port (20 a), the fifty-second oil port (21 a), the fifty-ninth oil port (9 a) and the twenty-third oil port (172) are all communicated, the sixteenth oil port (68) is communicated with the fifteenth oil port (179), the twenty-fourth oil port (186) is communicated with the twenty-seventh oil port (182), the forty-sixth oil port (34 a), the forty-ninth oil port (24 a), the fifty-fifth oil port (19 a), the fifty-fourth oil port (22 a) and the fifty-seventh oil port (6 a), the twenty-eighth oil port (171) is communicated with the fifty-third oil port (23 a), the twenty-ninth oil port (188) is communicated with the forty-eighth oil port (18 a), and the thirty-eleventh oil port (187) is communicated with the forty-first oil port (43 a) and the sixteenth oil port (8 a).
7. A jumbolter comprising a hydraulic control valve block as claimed in any one of claims 1 to 6, wherein the drill box rotation control flow passage is in sealed communication with a flow passage in the mounting member, which flow passage in the mounting member leads to the drill box.
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| CN113685139B (en) * | 2021-08-27 | 2023-09-19 | 中国煤炭科工集团太原研究院有限公司 | Positioning guide device and anchor rod drill carriage |
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