CN113266348A - Tunneling and anchoring all-in-one machine integrated with water jet system and construction method - Google Patents
Tunneling and anchoring all-in-one machine integrated with water jet system and construction method Download PDFInfo
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- CN113266348A CN113266348A CN202110704366.7A CN202110704366A CN113266348A CN 113266348 A CN113266348 A CN 113266348A CN 202110704366 A CN202110704366 A CN 202110704366A CN 113266348 A CN113266348 A CN 113266348A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/60—Slitting by jets of water or other liquid
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
Abstract
The invention provides a tunneling and anchoring integrated machine integrated with a water jet system, which comprises a tunneling and anchoring integrated machine and the water jet system arranged on the tunneling and anchoring integrated machine, wherein the tunneling and anchoring integrated machine comprises a cutting drum for constructing a tunnel face, the water jet system comprises a water jet drilling device and a tunnel face joint cutting device which are both arranged on the tunneling and anchoring integrated machine, the tunnel face joint cutting device is used for performing joint cutting operation on the tunnel face, and the water jet drilling device is used for drilling or drilling and joint cutting operation. The water jet system is integrated into the tunneling and anchoring integrated machine for tunneling and anchoring operation, so that the tunneling and supporting operation effects of the tunneling and anchoring integrated machine can be effectively improved in the aspects of tunnel face tunneling, roadway supporting and the like; effectively reduces the deformation of the roadway space and the gas outburst, realizes multi-way support and improves the stability of the roadway. The invention also provides a construction method of the tunneling and anchoring all-in-one machine using the integrated water jet system.
Description
Technical Field
The invention relates to the technical field of a tunneling and anchoring all-in-one machine, in particular to a tunneling and anchoring all-in-one machine integrated with a water jet system and a construction method.
Background
Coal is one of main energy sources in China, and accounts for a large proportion of the total amount of the national disposable energy production and consumption. Compared with the method of carrying out underground coal mine roadway tunneling by adopting a fully mechanized excavating machine or blasting and the like, the one-step roadway anchoring technology of the excavating and anchoring machine not only improves the safety of the production environment, but also greatly improves the operation efficiency. However, when a hard gangue layer is clamped, the integrated machine of the digging and anchoring machine has the problems of low digging efficiency, serious equipment abrasion and the like.
In addition, during tunnel support, the tunneling and anchoring all-in-one machine faces the problems of complex anchoring rock stratum structure, high stress in the deep part of the tunnel, gas outburst and the like.
In view of the above, there is a need for a driving and anchoring integrated machine integrated with a water jet system and a construction method thereof to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a tunneling and anchoring all-in-one machine of an integrated water jet system, aiming at solving the problems of low tunneling efficiency, serious equipment abrasion, complex anchoring rock stratum structure, high stress in deep part of a roadway, gas outburst and the like when the tunneling and anchoring all-in-one machine encounters a hard rock stratum, and the specific technical scheme is as follows:
the tunneling and anchoring integrated machine comprises a tunneling and anchoring integrated machine and a water jet system arranged on the tunneling and anchoring integrated machine, the tunneling and anchoring integrated machine comprises a cutting drum for working a tunnel face, the water jet system comprises a water jet drilling device and a tunnel face joint cutting device which are both arranged on the tunneling and anchoring integrated machine, the tunnel face joint cutting device is used for performing joint cutting operation on the tunnel face, and the water jet drilling device is used for drilling or drilling and joint cutting operation.
Preferably, in the technical scheme, the tunnel face joint-cutting device comprises a water jet spray head and a spray head multi-degree-of-freedom arm support, the water jet spray head is arranged on the spray head multi-degree-of-freedom arm support, and the spray head multi-degree-of-freedom arm support is arranged on the tunneling and anchoring all-in-one machine.
Preferably, in the above technical scheme, the cutting drum is arranged on the tunneling and anchoring all-in-one machine body through a cutting arm support, and the nozzle multi-degree-of-freedom arm support is arranged on the cutting arm support.
Preferably in the above technical solution, the palm surface lancing device further includes a housing, the water jet nozzle is disposed in the housing, and a central hole of the housing is disposed corresponding to a nozzle of the water jet nozzle.
Preferably, in the technical scheme, the water jet drilling device comprises a rotary platform, a drilling machine multi-degree-of-freedom arm support and a water jet drilling machine, wherein the water jet drilling machine is arranged on the rotary platform through the drilling machine multi-degree-of-freedom arm support, and the rotary platform is arranged on the tunneling and anchoring all-in-one machine body; the drilling or the drilling and cutting operation is realized by replacing different drill bits for the water jet drilling machine.
Preferably, in the technical scheme, the drilling machine multi-degree-of-freedom arm support is detachably connected with the water jet drilling machine.
Preferably, in the above technical scheme, the water jet drilling device comprises a water jet drill rod and a drilling machine, the water jet drill rod is detachably arranged on the drilling machine, a water jet drill rod library is arranged on one side of the drilling machine, and water jet drill rods of different specifications are arranged in the water jet drill rod library.
Preferably, in the above technical solution, the water jet system further includes a working medium providing device for providing a working medium required for water jet; the working medium providing device comprises a high-pressure water pump, a shunt valve and a pressure regulating valve, the high-pressure water pump is used for providing pressurized working media, the shunt valve distributes the working media from the high-pressure water pump to the water jet drilling device and the tunnel face joint cutting device, and the pressure regulating valve is used for regulating the working pressure of the water jet system.
The invention also provides a construction method of the digging and anchoring all-in-one machine using the integrated water jet system, which comprises the following steps:
when the cutting drum does not meet a gangue clamping layer, the cutting drum normally tunnels, and the tunnel face joint cutting device does not work;
when a gangue layer is encountered, firstly controlling a nozzle multi-degree-of-freedom arm support to enable a water jet nozzle to be close to the gangue layer, transversely cutting a seam of the gangue layer, cutting by a cutting drum from the upper side of the gangue layer after the seam is cut, and cutting downwards after the cutting drum is tunneled to the depth of the seam until the cutting of the gangue layer is finished; then, the cutting drum cuts the whole face from top to bottom, so that the cutting of the whole face is completed, and the tunneling depth of the cutting drum is the cutting depth;
the number of the transverse slits is at least one.
In the technical scheme, preferably, the water jet drilling device is used for drilling or cutting the side wall or/and the face of the roadway, so that the requirements of gas drainage, anchoring support, grouting fire prevention and extinguishing or stress relief operation are met;
and drilling and joint cutting operation is carried out on the side wall of the roadway by adopting a water jet drilling device to obtain an anchor rod hole, and the grouting anchor rod is installed to the anchor rod hole through an anchor rod drilling machine to complete grouting, so that the installation of the grouting anchor rod is realized.
The technical scheme of the invention has the following beneficial effects:
the water jet system is integrated into the tunneling and anchoring all-in-one machine to carry out tunneling and anchoring operation, so that the tunneling and supporting operation effects of the tunneling and anchoring all-in-one machine can be effectively improved in the aspects of tunnel face tunneling, roadway supporting and the like.
Utilize the waste rock layer (promptly press from both sides the waste rock layer) waste rock shear strength far less than compressive strength's characteristic, thereby realize carrying out the joint cutting operation weakening rock stratum intensity to the face through face joint cutting device, jointly dig anchor all-in-one cutting drum and carry out the cutting operation to the face, the water jet spray head realizes the quick breakage and the peeling off of waste rock layer with the cooperation of cutting drum, improve tunnelling efficiency and reduce the pick loss, improve pick cutter life, reduce construction cost. The tunnel face joint cutting device and the tunneling and anchoring machine all-in-one machine are effectively integrated, the process is simplified, and the operation efficiency is improved.
The water jet nozzle performs transverse joint cutting (namely joint cutting is performed along the direction vertical to the height of the roadway) on the gangue clamping layer, and the strength of a rock body is effectively weakened after joint cutting is completed; secondly, the cutting drum cuts from the top down (cutting direction of cutting drum is perpendicular with the joint-cutting direction promptly), because the joint-cutting exists, presss from both sides the cash layer and is equivalent to the cantilever beam, when the cutting drum was used in the cantilever beam fulcrum distal end, presss from both sides cash layer depths and receives very big stress, and the broken rock of the cutting drum of being convenient for has improved tunnelling efficiency.
The water jet drilling machine is used for drilling or cutting the seams, so that the requirements of operations such as anchoring support, grouting fire prevention and extinguishing, stress relief, gas extraction and the like can be met; effectively reduces the deformation of the roadway space and the gas outburst, realizes multi-way support and improves the stability of the roadway.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic overall structure diagram of a driving and anchoring all-in-one machine of an integrated water jet system in embodiment 1;
FIG. 2a is a schematic view of cutting starting from above the layer of gangue;
FIG. 2b is a schematic view of cutting of a gangue layer;
FIG. 2c is a schematic view of cutting from above the face of a rock;
FIG. 2d is a schematic view of the cut face;
FIG. 3 is a schematic diagram of the construction of a drill bit of the drilling rig;
FIG. 4 is a schematic diagram of a configuration of a slitting drill bit;
FIG. 5 is a schematic illustration of a roadway drill cut;
fig. 6 is a schematic overall structure diagram of the driving and anchoring integrated machine of the integrated water jet system in embodiment 2;
the mining and anchoring integrated machine comprises a 1, a driving and anchoring integrated machine, 2, a conveying device, 3, a high-pressure water pump, 4, a rotary platform, 5, a drilling machine multi-degree-of-freedom arm support, 6, a water jet drilling machine, 7, an anchor rod drilling machine, 8, a cutting arm support, 9, a cutting roller, 10, a coal bed, 11, a face kerf, 12, a waste rock clamping layer, 13, a water jet nozzle, 14, a nozzle multi-degree-of-freedom arm support, 15, a loading device, 16, a water jet drill rod, 17, a drilling drill bit, 17.1, a first channel, 17.2, a first outlet, 18, a kerf drill bit, 18.1, a second channel, 18.2, a second outlet, 19, a stress relief kerf, 20, a roadway, 21, a grouting anchor rod kerf, 22, an anchor rod, 23 and a grouting fire-preventing and extinguishing kerf.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will now be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1:
referring to fig. 1-5, the tunneling and anchoring all-in-one machine integrating the water jet system is particularly applied to coal excavation and comprises a tunneling and anchoring all-in-one machine 1 and the water jet system arranged on the tunneling and anchoring all-in-one machine 1, wherein the tunneling and anchoring all-in-one machine 1 comprises a cutting drum 9 used for constructing a tunnel face, the water jet system comprises a water jet drilling device and a tunnel face joint cutting device which are both arranged on the tunneling and anchoring all-in-one machine 1, the tunnel face joint cutting device is used for performing joint cutting operation on the tunnel face, and the water jet drilling device is used for drilling or drilling and joint cutting operation.
The tunnel face joint cutting device comprises a water jet spray head 13 and a spray head multi-degree-of-freedom arm support 14, wherein the water jet spray head 13 is arranged on the spray head multi-degree-of-freedom arm support 14, and the spray head multi-degree-of-freedom arm support 14 is arranged on the tunneling and anchoring all-in-one machine 1. The tunnel face joint cutting device further comprises a housing, the water jet nozzle 13 is arranged in the housing, a central hole of the housing is arranged corresponding to a nozzle of the water jet nozzle 13, and the housing mainly plays a role in protecting the water jet nozzle.
The cutting drum 9 is arranged on the tunneling and anchoring all-in-one machine body through a cutting arm support 8, and the spray head multi-degree-of-freedom arm support 14 is arranged on the cutting arm support 8; preferably, the tunnel face slitting device is located below the cutting drum 9.
Referring to fig. 1, the all-in-one machine further comprises a loading device 15 and a transporting device 2, wherein the loading device 15 is arranged below the cutting drum 9, the transporting device 2 is arranged behind the all-in-one machine, and the loading device 15 and the transporting device 2 are used for transporting rock slag.
Referring to fig. 1, the water jet drilling device comprises a rotary platform 4, a drilling machine multi-degree-of-freedom arm support 5 and a water jet drilling machine 6, wherein the water jet drilling machine 6 is arranged on the rotary platform 4 through the drilling machine multi-degree-of-freedom arm support 5, and the rotary platform 4 is arranged on a driving and anchoring all-in-one machine body; and the drilling or the drilling and cutting operation is realized by replacing different drill bits for the water jet drilling machine 6. The drill bits include a drilling bit 17 and a slitting bit 18.
Referring to fig. 3, the drilling bit 17 is used for drilling, a first channel 17.1 through which a working medium flows is arranged inside the drilling bit 17, a plurality of first outlets 17.2 are arranged on a cutting end surface of the drilling bit 17, the first outlets 17.2 are communicated with the first channel 17.1, and the working medium is ejected from the first outlets to realize drilling.
Referring to fig. 4, the lancing drill bit 18 is used for drilling and lancing, a second passage 18.1 through which a working medium flows is arranged inside the lancing drill bit 18, a plurality of second outlets 18.2 are arranged behind a cutting end of the lancing drill bit 18, an axis of each second outlet 18.2 is perpendicular to a pushing direction of the lancing drill bit 18, the cutting end of the lancing drill bit 18 realizes drilling, and the working medium ejected from each second outlet is used for lancing an inner wall of a drilled hole.
Furthermore, the speed of the drilling machine can be improved by replacing drill rods with different sizes, and the construction efficiency is improved.
The rotary platform 4 is preferably driven to rotate by an oil cylinder, and the specific structure of the rotary platform belongs to the prior art and is not further described here. Preferably, the drilling machine multi-degree-of-freedom arm support and the spray head multi-degree-of-freedom arm support are both mechanical arms, and the degrees of freedom of the drilling machine multi-degree-of-freedom arm support and the spray head multi-degree-of-freedom arm support can be designed according to actual requirements, so that the motion requirements of stretching, rotating, swinging and the like are met.
Referring to fig. 1, the all-in-one machine 1 further includes a jumbolter 7 disposed on the all-in-one machine body, and the water jet drilling device and the jumbolter 7 are both disposed at the top of the all-in-one machine body and located at one side close to the tunnel face.
Preferably, the drilling machine multi-degree-of-freedom arm support 5 and the water jet drilling machine 6 are detachably connected, and the water jet drilling machine has the advantages of detachable connection: when the place that rig multi freedom cantilever crane can not reach needs the construction, can dismantle the place that the independent removal of water jet drilling machine needed the construction.
The water jet system also comprises a working medium providing device for providing a working medium required by the water jet; the working medium providing device comprises a high-pressure water pump 3, a shunt valve and a pressure regulating valve, wherein the high-pressure water pump 3 is used for providing pressurized working medium, the shunt valve distributes the working medium from the high-pressure water pump 3 to the water jet drilling machine 6 and the water jet nozzle 13, and the pressure regulating valve is used for regulating the working pressure of the water jet system. The working medium is pure water or pure water added with abrasive, so that a high-pressure water jet or a high-pressure abrasive water jet is formed.
Referring to fig. 1, the high-pressure water pump 3 is disposed at the rear end of the all-in-one machine body, in this embodiment, the high-pressure water pump 3, the shunt valve and the pressure regulating valve are integrated together, the working medium providing device is connected with the water jet nozzle 13 and the water jet drilling machine 6 by using high-pressure hoses, and the high-pressure hoses can be disposed on the all-in-one machine according to actual conditions; the devices in the water jet system are arranged at different positions of the tunneling and anchoring all-in-one machine in a split mode (namely, are arranged separately), and are installed according to the original structure of the tunneling and anchoring all-in-one machine.
Through high pressure water shunt valve, air-vent valve, the rational distribution pressure flow reduces the joint cutting width and increases the joint cutting degree of depth, utilizes pump station power more efficiently. Meanwhile, the high-pressure water pump can realize independent water supply or synchronous water supply of the tunnel face joint cutting and the drilling joint cutting through the shunt valve and the pressure regulating valve, the operation mode is flexible, and the utilization efficiency of the pump station is high. The depth and width of the cutting seam can be increased within a certain range by reducing the transverse moving speed of the water jet nozzle.
The embodiment also provides a construction method of the tunneling and anchoring all-in-one machine of the integrated water jet system, which comprises the following steps:
when the waste rock layer 12 is not met, the cutting drum 9 is normally tunneled, and the tunnel face joint cutting device does not work (the water jet nozzle is in a retraction state);
when meeting the gangue layer 12, firstly controlling the nozzle multi-degree-of-freedom arm support 14 to enable the water jet nozzle 13 to be close to the gangue layer (the water jet nozzle is in an extending state), transversely cutting the gangue layer, cutting the cutting drum 9 from the upper side of the gangue layer after cutting is finished (the water jet nozzle retracts before cutting), and cutting the cutting drum 9 downwards after tunneling to the depth of cutting seam until the gangue layer is cut; then, the cutting drum 9 cuts the whole face from top to bottom, so that the cutting of the whole face is completed, and the tunneling depth of the cutting drum 9 is the cutting depth; as shown in fig. 2 a-2 d.
Preferably, the number of the transverse slits is at least one, when the gangue clamping layer is thick, the transverse slits can be performed for multiple times, the thickness of the gangue clamping layer cut by one time can be reduced, the tunneling efficiency at the gangue clamping layer is improved, and the abrasion is reduced.
The water jet drilling device is used for drilling or cutting a hole on the side wall or/and the face of the roadway 20, so that the requirements of gas drainage, anchoring support, grouting fire prevention and extinguishing or stress relief operation are met; referring to fig. 5, fig. 5 illustrates the stress relief slit 19, the grouting bolt slit 21, the grouting fire prevention slit 23, and the like.
The jumbolter 7 adopting the driving and anchoring integrated machine can complete the installation of the common anchor rod 22, and can adopt a water jet drilling device to perform combined operation with the jumbolter when a grouting anchor rod needs to be installed, and specifically comprises the following steps: and (3) drilling and joint cutting operation is carried out on the side wall of the roadway 20 by adopting a water jet drilling device to obtain an anchor rod hole, and grouting is completed after the anchor rod drilling machine 7 is used for installing the grouting anchor rod to the anchor rod hole, so that the installation of the grouting anchor rod is realized.
When the tunneling and anchoring all-in-one machine of the embodiment is used for excavating coal, the track cutting of a water jet nozzle to a designated area can be completed through the movement of the multi-degree-of-freedom arm support and the cutting arm support, and a hard rock layer (specifically a gangue clamping layer) on a tunnel face can be transversely slit through the water jet nozzle to form a tunnel face slit 11, so that the rock layer strength is reduced, and a cantilever beam is formed by the gangue clamping layer; the coal seam 10 of the face can be cut through the cutting drum, the water jet nozzle and the cutting drum are matched to realize rapid crushing and stripping of a gangue layer, the tunneling efficiency is improved, and the cutting tooth loss is reduced.
The water jet nozzle performs transverse joint cutting (namely joint cutting is performed along the direction vertical to the height of the roadway) on the gangue clamping layer, and the strength of a rock body is effectively weakened after joint cutting is completed; secondly, the cutting drum cuts from the top down, because the joint-cutting exists, presss from both sides the cash layer and is equivalent to the cantilever beam, when the cutting drum was used in the cantilever beam fulcrum distal end, presss from both sides cash layer depths and receives very big stress, and the cutting drum broken rock of being convenient for has improved tunnelling efficiency.
By utilizing the characteristic that the shear strength of the gangue in the gangue layer is far lower than the compressive strength, the tunneling efficiency can be greatly improved by adopting the water jet nozzle to perform joint cutting on the gangue layer; it should be noted that, in combination with the actual working condition of the gangue layer, the form of the spray head, the depth and direction of the cutting seam, the pressure, the flow and other parameters can be selected according to the requirements.
After the face is cut, the water jet drilling device performs drilling or drilling and joint cutting operation, requirements of anchoring support, grouting fire prevention and extinguishing, stress relief, gas extraction and the like can be met, and supporting effect is improved.
Example 2:
referring to fig. 6, the present embodiment is different from embodiment 1 in that the water jet drilling device includes a water jet drill rod 16 and a drilling machine, the water jet drill rod 16 is detachably disposed on the drilling machine, a water jet drill rod bank is disposed on one side of the drilling machine, and water jet drill rods with different specifications are disposed in the water jet drill rod bank. The drilling machine is self-provided with the tunneling and anchoring machine, original drill rods can be replaced by water jet drill rods through replacement, drilling or cutting can be achieved, and the tail ends of the water jet drill rods are connected with the high-pressure hose through the rotary joints, so that normal work can be achieved. According to the existing structure of the digging and anchoring machine, the drilling machine is arranged on the cutting arm support 8 through the sliding platform and the rotating platform, and the improvement has the advantage of low cost and can utilize the original drilling machine of the digging and anchoring machine.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The tunneling and anchoring integrated machine integrated with the water jet system is characterized by comprising a tunneling and anchoring integrated machine (1) and the water jet system arranged on the tunneling and anchoring integrated machine (1), wherein the tunneling and anchoring integrated machine (1) comprises a cutting drum (9) used for constructing a tunnel face, the water jet system comprises a water jet drilling device and a tunnel face joint cutting device which are both arranged on the tunneling and anchoring integrated machine (1), the tunnel face joint cutting device is used for performing joint cutting operation on the tunnel face, and the water jet drilling device is used for drilling or drilling and joint cutting operation.
2. The tunneling and anchoring all-in-one machine of the integrated water jet system as claimed in claim 1, wherein the tunnel face kerf device comprises a water jet nozzle (13) and a nozzle multi-degree-of-freedom arm support (14), the water jet nozzle (13) is arranged on the nozzle multi-degree-of-freedom arm support (14), and the nozzle multi-degree-of-freedom arm support (14) is arranged on the tunneling and anchoring all-in-one machine (1).
3. The machine of claim 2, wherein the cutting drum (9) is arranged on the machine body through a cutting arm support (8), and the nozzle multi-degree-of-freedom arm support (14) is arranged on the cutting arm support (8).
4. The machine as claimed in claim 2, wherein the tunnel face lancing device further comprises a housing, the water jet head (13) is disposed in the housing, and the central hole of the housing is disposed corresponding to the nozzle of the water jet head (13).
5. The machine of claim 1, wherein the water jet drilling device comprises a rotary platform (4), a drilling machine multi-degree-of-freedom arm support (5) and a water jet drilling machine (6), the water jet drilling machine (6) is arranged on the rotary platform (4) through the drilling machine multi-degree-of-freedom arm support (5), and the rotary platform (4) is arranged on the machine body; the drilling or the drilling and cutting operation is realized by replacing different drill bits for the water jet drilling machine (6).
6. The machine integrating tunneling and anchoring with integrated water jet system as claimed in claim 5, wherein the drilling machine multi-degree-of-freedom arm support (5) and the water jet drilling machine (6) are detachably connected.
7. The machine as claimed in claim 1, wherein the water jet drilling device comprises a water jet drill rod (16) and a drilling machine, the water jet drill rod (16) is detachably arranged on the drilling machine, one side of the drilling machine is provided with a water jet drill rod library, and water jet drill rods (16) with different specifications are arranged in the water jet drill rod library.
8. The machine as claimed in claim 1, wherein the water jet system further comprises a working medium supply device for supplying a working medium required for water jet; the working medium providing device comprises a high-pressure water pump (3), a shunt valve and a pressure regulating valve, the high-pressure water pump (3) is used for providing pressurized working media, the shunt valve distributes the working media from the high-pressure water pump (3) to the water jet drilling device and the tunnel face joint cutting device, and the pressure regulating valve is used for regulating the working pressure of the water jet system.
9. A construction method of a driving and anchoring all-in-one machine using an integrated water jet system according to any one of claims 1 to 8, characterized in that:
when the cutting drum (9) does not meet the gangue clamping layer (12), the cutting drum is normally tunneled, and the tunnel face joint cutting device does not work;
when meeting a gangue clamping layer (12), firstly controlling a nozzle multi-degree-of-freedom arm support (14) to enable a water jet nozzle (13) to be close to the gangue clamping layer, carrying out transverse joint cutting on the gangue clamping layer, cutting a cutting roller (9) from the upper side of the gangue clamping layer after the joint cutting is finished, and cutting the cutting roller (9) downwards after tunneling to the joint cutting depth until the cutting of the gangue clamping layer is finished; then, the cutting drum (9) cuts the whole face from top to bottom, so that the cutting of the whole face is completed, and the tunneling depth of the cutting drum (9) is the cutting depth;
the number of the transverse slits is at least one.
10. The construction method of a machine for driving and anchoring with integrated water jet system according to claim 9, characterized in that:
the water jet drilling device is used for drilling or cutting a hole on the side wall or/and the face of the roadway (20), so that the requirements of gas drainage, anchoring support, grouting fire prevention and extinguishing or stress relief operation are met;
and (3) drilling and joint cutting operation is carried out on the side wall of the roadway (20) by adopting a water jet drilling device to obtain an anchor rod hole, and grouting is completed after the grouting anchor rod is installed to the anchor rod hole through an anchor rod drilling machine, so that the installation of the grouting anchor rod is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110704366.7A CN113266348A (en) | 2021-06-24 | 2021-06-24 | Tunneling and anchoring all-in-one machine integrated with water jet system and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151078A (en) * | 2021-12-02 | 2022-03-08 | 中国铁建重工集团股份有限公司 | Water jet waste rock layer cut device |
| CN114151078B (en) * | 2021-12-02 | 2024-04-19 | 中国铁建重工集团股份有限公司 | Water jet gangue layer slitting device |
-
2021
- 2021-06-24 CN CN202110704366.7A patent/CN113266348A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151078A (en) * | 2021-12-02 | 2022-03-08 | 中国铁建重工集团股份有限公司 | Water jet waste rock layer cut device |
| CN114151078B (en) * | 2021-12-02 | 2024-04-19 | 中国铁建重工集团股份有限公司 | Water jet gangue layer slitting device |
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