CN112196569B - Underground works is with intelligent drilling equipment and entry driving machine - Google Patents
Underground works is with intelligent drilling equipment and entry driving machine Download PDFInfo
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- CN112196569B CN112196569B CN202011057262.3A CN202011057262A CN112196569B CN 112196569 B CN112196569 B CN 112196569B CN 202011057262 A CN202011057262 A CN 202011057262A CN 112196569 B CN112196569 B CN 112196569B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Environmental & Geological Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an intelligent drilling device for underground engineering and a heading machine, wherein the drilling device comprises a drilling mechanism, a detection module and a control module, wherein the drilling mechanism is arranged on a fixed disc and comprises a drill rod which can axially stretch and retract on the fixed disc and a driving assembly for driving the drill rod to axially stretch and retract and axially rotate; the detection module is used for detecting rock scraps in the process of drilling the rock mass to be excavated by the drilling mechanism and rock mass physical and mechanical parameters of the rock mass to be excavated, and analyzing the block size and weight distribution rule of the rock scraps; the control module is used for adjusting parameters of the driving assembly for driving the drill rod to axially stretch and/or axially rotate according to the block size and weight distribution rule of the rock fragments. The parameter adjustment of the drilling mechanism is highly matched with the geological condition of the rock mass to be excavated in real time, so that the mechanical property of the drilling device is better exerted, and the purpose of rapid drilling is achieved.
Description
Technical Field
The invention belongs to the technical field of heading machines, and particularly relates to an intelligent drilling device for underground engineering and a heading machine.
Background
The drilling construction has important significance for engineering construction, and determines the aspects of engineering progress, economy, safety and the like, whether the drilling construction is performed by a drilling and blasting method or a mechanical tunneling method. However, under the working condition of complete extremely hard rock construction (the cracks do not develop, the rock integrity is high, and the uniaxial compressive strength of the rock is greater than 150 MPa), the adaptability of drilling construction to the hard rock is poor, the self performance of drilling machinery cannot be fully exerted, the engineering tunneling efficiency is low, and the engineering progress and period are delayed. Especially in the face of complicated geology, drilling equipment is poor to geology sensitivity, and the matability is weak, and the situation such as occurrence card boring, drop boring, drill bit scrapping is frequent.
The existing device for drilling and tunneling only depends on the mechanical property of the tool bit, and drills the rock mass to be excavated according to the mechanical action principle of the tool bit. When facing hard rock with good integrity and high strength, the rock mass cannot be rapidly cut by only relying on the mechanical actions of wedges, cutting, pressing and the like of the cutter head, so that the conditions of grinding the rock mass into rock powder, blocking drilling holes and the like are often generated, and the drilling efficiency is greatly reduced.
Therefore, a drilling device capable of realizing efficient rock breaking under the tunneling working conditions of different hard rock conditions is urgently needed to be studied.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent drilling device and a heading machine for underground engineering, wherein the drilling device can adjust parameters of axial expansion and/or axial rotation of a drill rod in real time according to physical and mechanical parameters of a rock mass of the rock mass to be excavated and the block size and weight distribution rule of rock fragments, so that the drilling device can exert better mechanical performance, and the aim of rapid drilling is fulfilled. In one aspect, the present invention provides an intelligent drilling device for underground engineering, comprising:
the drilling mechanism is arranged on the fixed disc and comprises a drill rod which can axially stretch and retract on the fixed disc and a driving assembly for driving the drill rod to axially stretch and retract and axially rotate;
The detection module is used for detecting rock fragments in the process of drilling the rock mass to be excavated by the drilling mechanism and rock mass physical and mechanical parameters of the rock mass to be excavated, and analyzing the block size and weight distribution rule of the rock fragments;
and the control module is used for adjusting parameters of the driving assembly for driving the drill rod to axially stretch and/or axially rotate according to the block size and weight distribution rule of the rock fragments.
Further, the drilling mechanism further comprises a connecting piece arranged at one end of the drill rod far away from the free end; the driving assembly comprises a rotary driving shaft connected with the connecting piece and a horizontal driving piece used for driving the drill rod to axially move.
Further, the horizontal driving piece is a hydraulic pump; the driving assembly further comprises a servo motor which is used for driving the drill rod to axially rotate and rotates with the rotary driving shaft.
Furthermore, the drilling mechanism is also provided with a blocking element, the blocking element is made of high-strength carbon steel material, the carbon content of the high-strength carbon steel material is lower than 0.7%, and the strength of the high-strength carbon steel material is higher than 30% of that of the fixed disc.
Further, the detection module includes a rock debris detection unit including:
the image acquisition assembly is used for acquiring the shape of rock scraps in the process of drilling the rock mass to be excavated by the drilling mechanism;
The weighing assembly is used for weighing the rock fragments and grading the weight of the obtained rock fragments;
and the quantitative analysis component is used for analyzing the block size and weight distribution rule of the rock fragments according to the morphology and weight classification of the rock fragments.
Further, the detection module includes a parameter analysis unit, and the parameter analysis unit includes:
The parameter detection component is used for detecting the density, the porosity, the uniaxial compressive strength, the wear resistance and the brittleness of the rock scraps and determining the physical and mechanical parameters of the rock mass to be excavated;
And the parameter analysis component is used for determining parameters of axial expansion and/or axial rotation of the drill rod on the drilling mechanism according to the physical and mechanical parameters of the rock mass to be excavated, and analyzing the block size and weight distribution rule of the rock fragments according to the depth parameters, the rock fragment morphology and the rock fragment weight of the drilled rock mass to be excavated.
Further, when the number of the drilling mechanisms is at least two, at least two of the drilling mechanisms are connected with the fixed disc through a rotary connecting mechanism, and the rotary connecting mechanism comprises:
the connecting rods are arranged in the fixed disc, at least two drilling mechanisms are arranged on the connecting rods, and piston rods of the at least two drilling mechanisms are parallel to each other on the connecting rods;
The first lead screw is positioned at one end of the connecting rod, the cylinder body of the first lead screw is arranged on the fixed disc, and the piston rod of the first lead screw is hinged with the connecting rod;
The second lead screw is positioned at the other end of the connecting rod, a cylinder body of the second lead screw is arranged on the fixed disc, and a piston rod of the second lead screw is hinged with the connecting rod; the included angle between the extending and contracting direction of the piston rod of the second screw rod and the extending and contracting direction of the piston rod of the first screw rod is 15-160 degrees.
Further, the drilling device further comprises a fixing mechanism, wherein the fixing mechanism is used for fixing the drilling mechanism rotating on the fixing disc so as to adjust the angle of the drill rod on the fixing disc.
Further, the fixing mechanism includes:
the first saw teeth are arranged on the outer side of the drilling mechanism;
the two moving plates are arranged in the fixed disc and extend out of two sides of the through hole of the fixed disc respectively;
The second saw teeth are arranged on one side, close to the drill rod, of the moving plate, and the second saw teeth and the first saw teeth can be connected in a matched mode through the saw teeth;
the pushing assembly is respectively connected with the moving plate and the fixed disc and is used for pushing the two moving plates to move in opposite directions or in opposite directions so as to control the second saw teeth on the moving plate to be fixed or separated from the first saw teeth on the drilling mechanism.
The invention further provides a heading machine, which comprises the intelligent drilling device for underground engineering.
According to the intelligent drilling device and the heading machine for the underground engineering, provided by the invention, rock scraps in the process of drilling the rock mass to be excavated by the drilling mechanism and rock mass physical mechanical parameters of the rock mass to be excavated are detected through the detection module, the size and weight distribution rule of the rock scraps are analyzed, and then the driving module is adjusted to drive the parameters of axial expansion and/or axial rotation of the drill rod through the control module, so that the drilling mechanism can carry out real-time adjustment of the axial expansion and/or axial rotation of the drill rod according to the actual condition of the rock mass to be excavated, and the parameter adjustment of the drilling mechanism is matched with the geological conditions (the geological conditions comprise the size and weight distribution rule of the rock scraps and the rock mass physical mechanical parameters) of the rock mass to be excavated in a real-time manner, so that the mechanical performance of the drilling device is better exerted, the drilling device achieves the aim of rapid drilling, and is especially suitable for drilling construction of hard rock engineering.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
Fig. 1 is a schematic structural diagram of an intelligent drilling device for underground engineering according to an exemplary embodiment of the present invention;
fig. 2 is a schematic structural view of a drilling mechanism according to an exemplary embodiment of the present invention;
Fig. 3 is a schematic diagram of module connection of a rock debris detection unit according to an exemplary embodiment of the present invention;
FIG. 4 is a schematic diagram of module connection of a parameter analysis unit according to an exemplary embodiment of the present invention;
Fig. 5 is a schematic structural view of a rotary connection mechanism according to an exemplary embodiment of the present invention;
fig. 6 is a schematic structural view of a fixing mechanism according to an exemplary embodiment of the present invention.
In the figure:
1-a drilling mechanism, 101-a drill rod, 102-a connecting piece, 103-a rotary driving shaft, 104-a horizontal driving piece and 105-a plugging element;
2-fixing disc, 201-connecting frame;
3-a face;
4-rock mass to be excavated;
5-drilling;
6-tunnel profile;
7-prefabricating cracks;
8-a rotary connecting mechanism, 801-a connecting rod, 802-a first lead screw and 803-a second lead screw;
9-fixing mechanism, 901-first saw tooth, 902-moving plate, 903-second saw tooth, 904-chute, 905-slider, 906-third screw.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1, the intelligent drilling device for underground engineering provided by the invention comprises a drilling mechanism 1, a detection module and a control module, wherein the drilling mechanism 1 is arranged on a fixed disc 2, and the drilling mechanism 1 comprises a drill rod 101 which can axially stretch out and draw back on the fixed disc 2 and a driving component for driving the drill rod 101 to axially stretch out and draw back and axially rotate; the detection module is used for detecting rock scraps in the process of drilling the rock mass 4 to be excavated by the drilling mechanism 1 and rock mass physical and mechanical parameters of the rock mass 4 to be excavated, and analyzing the block size and weight distribution rule of the rock scraps; the control module is used for adjusting parameters of the driving assembly for driving the drill rod 101 to axially stretch and/or axially rotate according to the block size and weight distribution rule of the rock fragments.
The intelligent drilling device provided by the invention is placed in the tunnel outline 6, so that the drilling holes on the drilling mechanism 1 are opposite to the supporting surfaces of the rock mass 4 to be excavated, rock fragments in the process of drilling the rock mass 4 to be excavated by the drilling mechanism 1 and rock mass physical mechanical parameters of the rock mass 4 to be excavated are detected through the detection module, the size and weight distribution rule of the rock fragments are analyzed, and then the driving module is adjusted to drive the parameters of axial expansion and/or axial rotation of the drill rod 101 through the control module, so that the drilling mechanism 1 can perform real-time adjustment of the axial expansion and/or axial rotation of the drill rod 101 according to the actual condition of the rock mass 4 to be excavated, and the parameter adjustment of the drilling mechanism 1 is matched with the geological conditions (the geological conditions comprise the size and weight distribution rule of the rock fragments and the rock mass physical mechanical parameters) of the rock mass in a real-time and high degree, so that the mechanical properties of the drilling device are better played, and the drilling device is especially suitable for drilling construction of hard rock engineering.
As a preferred embodiment, referring to fig. 2, drilling mechanism 1 further comprises a connector 102 provided at the end of drill rod 101 remote from the free end; the drive assembly comprises a rotary drive shaft 103 connected to the coupling 102, and a horizontal drive 104 for driving the drill rod 101 in axial movement. In this embodiment, the horizontal driving member 104 drives the drill rod 101 to axially move, so that the drill rod 101 stretches out and draws back on one side of the fixed disc 2, which is close to the face 3, so that the drill rod 101 is retracted into the fixed disc 2 under the driving of the horizontal driving member 104 in the tunneling process of the tunneling machine, so that the drill rod 101 is far away from the rock mass 4 to be excavated, and when the drill hole is required to be pre-broken before tunneling of the tunneling machine, the drill rod 101 is driven by the horizontal driving member 104 to extend out of the fixed disc 2, which is close to the face 3, so that the drill rod 101 is pre-broken, and the drill hole 5 is formed on the rock mass 4 to be excavated, and when the drill rod 101 extends out of the fixed disc 2, which is close to the face 3, the drill rod 101 is driven to axially rotate by the rotary driving shaft 103, so that the prefabricated crack 7 is formed on the rock mass 4 to be excavated. Preferably, in this embodiment, for convenience, the drilling mechanism 1 is provided on the fixed disk 2, and the length dimension of the drilling mechanism 1 is preferably less than 0.8 meter, and the width dimension is preferably less than 0.3 meter.
As a preferred embodiment, the horizontal driving member 104 is a hydraulic pump; the drive assembly also includes a servo motor coupled to the rotatable drive shaft 103 for driving the drill pipe 101 in axial rotation. In the present embodiment, the horizontal driving member 104 is preferably a hydraulic pump, and the drill pipe 101 connected to the connecting member 102 can be moved in the horizontal direction by the expansion and contraction of the hydraulic pump, thereby realizing the expansion and contraction of the drill pipe 101 on the fixed disk 2.
As another preferred embodiment, the drilling mechanism 1 is further provided with a plugging element 105, wherein the plugging element 105 is made of high-strength carbon steel material, the carbon content of the high-strength carbon steel material is lower than 0.7%, and the strength of the high-strength carbon steel material is higher than 30% of that of the fixed disc 2. In the present embodiment, the blocking element 105 is provided on the side of the boring mechanism 1 close to the face 3.
As another preferred embodiment, referring to fig. 3, the detection module includes a debris detection unit including an image acquisition assembly 100, a weighing assembly 200, and a quantization analysis assembly 300;
The image acquisition assembly 100 is used for performing morphology acquisition on rock debris in the process of drilling the rock mass 4 to be excavated by the drilling mechanism 1; preferably, the image acquisition assembly 100 is preferably a camera arranged on one side of the fixed disc 2 close to the spreader surface, so that the camera can acquire the shape of rock debris in the process of excavating the rock mass 4 along with the movement of the fixed disc 2.
The weighing assembly 200 is used for weighing rock fragments and grading the weight of the obtained rock fragments; preferably, the weighing assembly 200 includes a sampling unit for drawing rock fragments, a weighing unit for weighing the drawn rock fragments, and a sorting unit for sorting the rock fragments having a mass within a certain range, thereby completing the weight classification of the rock fragments, for example, the weight range of the class a is set to 1kg-1.5kg, the weight range of the class B is set to 1.5kg-2kg, and thus, the rock fragments having a weight of 1.2kg are classified into the class a and the rock fragments having a weight of 1.7kg are classified into the class B.
The quantitative analysis component 300 is used for analyzing the block size and weight distribution rule of the rock fragments according to the morphology and weight classification of the rock fragments. Preferably, the quantitative analysis component 300 can further classify the rock fragments according to the morphology of the rock fragments in each weight classification, for example, in class a rock fragments, the rock fragments can be classified according to circles, triangles and quadrilaterals, and thus the block size and weight distribution rule of the rock fragments can be determined.
As a further preferred embodiment, referring to fig. 4, the detection module further comprises a parameter analysis unit comprising a parameter detection component 400 and a parameter analysis component 500;
The parameter detection component 400 is used for detecting the density, the porosity, the uniaxial compressive strength, the wear resistance and the brittleness of the rock scraps and determining the physical and mechanical parameters of the rock mass 4 to be excavated;
the parameter analysis component 500 is configured to determine parameters of axial expansion and/or axial rotation of the drill rod 101 on the drilling mechanism 1 according to physical and mechanical parameters of the rock mass 4 to be excavated, and analyze the size of the rock fragments and the weight distribution rule according to the depth parameters, the morphology of the rock fragments and the weight of the rock fragments drilled on the rock mass 4 to be excavated.
If the physical and mechanical parameters of the rock mass to be excavated 4 are larger, the parameters of axial expansion and axial rotation of the drill rod 101 on the drilling mechanism 1 can be determined to be larger; if the physical and mechanical parameters of the rock mass to be excavated 4 are smaller, the parameters of axial expansion and axial rotation of the drill rod 101 on the drilling mechanism 1 can be determined to be smaller; according to the depth parameters of the drilled holes on the rock body 4 to be excavated, the block size and weight distribution rule of the rock fragments corresponding to the drilled holes with different depths can be analyzed, for example, after the morphology and weight classification of the rock fragments corresponding to the drilled holes with the depth of 0.5m are known, the block size and weight distribution rule of the rock fragments corresponding to the depth of 0.5m can be analyzed, and further, the parameters of axial expansion and contraction and axial rotation of the drill rod 101 on the drilling mechanism 1 are adjusted.
When the drilling mechanism 1 is subjected to parameter adjustment of axial expansion and contraction and axial rotation of the drill rod 101, drilling thrust parameters of the drilling mechanism 1 are adjusted according to physical and mechanical parameters of the rock mass 4 to be excavated, so that the drilling mechanism 1 can smoothly drill the rock mass 4 to be excavated.
In addition, according to the drilling depth and parameters of axial expansion and contraction and axial rotation of the drill rod 101 corresponding to different drilling depths, and rock physical mechanical parameters corresponding to different drilling depths, and the block size and weight distribution rule of rock fragments, a drilling parameter library (parameters of axial expansion and axial rotation of the drill rod 101 corresponding to different drilling depths) and a rock parameter library (parameters of rock physical mechanical parameters, block size and weight distribution rule of rock fragments) are built, and a deep learning frame is built, so that a deep learning model is built. And further, drilling parameters of the drilling mechanism 1 corresponding to each drilling depth are obtained through a deep learning model, and are continuously optimized and fed mutually in the actual drilling process, so that the deep learning model is perfected, and a user can quickly determine parameters of axial expansion and axial rotation of the drill rod 101 corresponding to each drilling depth according to a rock mass parameter library.
As a preferred embodiment, referring to fig. 5, when the number of the drilling mechanisms 1 is at least two, the at least two drilling mechanisms 1 are connected with the fixed disk 2 through the rotary connecting mechanism 8, the rotary connecting mechanism 8 comprises a connecting rod 801, a first lead screw 802 and a second lead screw 803, the connecting rod 801 is arranged in the fixed disk 2, the at least two drilling mechanisms 1 are arranged on the connecting rod 801, and the piston rods of the at least two drilling mechanisms 1 are parallel to each other on the connecting rod 801; the first lead screw 802 is positioned at one end of the connecting rod 801, a cylinder body of the first lead screw 802 is arranged on the fixed disc 2, and a piston rod of the first lead screw 802 is hinged with the connecting rod 801; the second lead screw 803 is positioned at the other end of the connecting rod 801, a cylinder body of the second lead screw 803 is arranged on the fixed disc 2, and a piston rod of the second lead screw 803 is hinged with the connecting rod 801; wherein, the included angle between the extending and contracting direction of the piston rod of the second screw 803 and the extending and contracting direction of the piston rod of the first screw 802 is 15-160 degrees. Preferably, the cylinders of the first screw 802 and the second screw 803 are connected to the connection frame 201 provided in the fixed disk 2, respectively.
As a further preferred embodiment, the drilling apparatus further comprises a fixing mechanism 9, the fixing mechanism 9 being used for fixing the drilling mechanism 1 rotating on the fixed disc 2 to adjust the angle at which the drill rod 101 is arranged on the fixed disc 2.
Further, referring to fig. 6, the fixing mechanism 9 includes a first serration 901, two moving plates 902, a second serration 903, and a pushing assembly, the first serration 901 being provided outside the drilling mechanism 1; two moving plates 902 are arranged in the fixed disc 2 and respectively extend out of two sides of the through hole of the fixed disc 2 through the drill rods 101; the second saw teeth 903 are arranged on one side of the moving plate 902, which is close to the drill rod 101, and the second saw teeth 903 and the first saw teeth 901 can be connected in a matched manner through the saw teeth; the pushing component is respectively connected with the moving plate 902 and the fixed disk 2 and is used for pushing the two moving plates 902 to move towards or away from each other so as to control the second saw teeth 903 on the moving plates 902 to be fixed or separated from the first saw teeth 901 on the drilling mechanism 1. In the present embodiment, when the drilling mechanism 1 is angularly adjusted, the two moving plates 902 are driven by the pushing component to move back to back, so that the drilling mechanism 1 smoothly rotates on the fixed disc 2; after the angle adjustment of the drilling mechanism 1 on the fixed disc 2 is completed, the two moving plates 902 are driven by the pushing component to move in opposite directions, and the second saw teeth 903 on the moving plates 902 are meshed with the first saw teeth 901 on the drilling mechanism 1, so that the fixed connection between the moving plates 902 and the drilling mechanism 1 is realized. Preferably, the pushing assembly comprises a chute 904, a sliding block 905 and a third screw 906, wherein the chute 904 is arranged on two opposite sides of the through hole on the fixed disc 2; the sliding block 905 is arranged on the moving plate 902 and can be connected with the sliding groove 904 in a sliding way; a third screw 906 is arranged on the fixed disk 2 near the sliding groove 904, a piston rod of the third screw 906 is connected with the moving plate 902, and the third screw 906 is used for pushing the moving plate 902 to move along the length direction of the sliding groove 904. In the present embodiment, by providing the slide groove 904 on the fixed disk 2 and providing the slide block 905 slidably connected to the slide groove 904 on the movable plate 902, the movable plate 902 can be moved along the length direction of the slide groove 904 by the cooperation of the slide groove 904 and the slide block 905, so that the movable plate 902 contacts the drilling mechanism 1, and the second saw teeth 903 on the movable plate are engaged with the first saw teeth 901 on the drilling mechanism 1; the third screw 906 is used as a driving component for pushing the moving plate 902, so that the moving plate 902 slides and is fixed on the fixed disc 2.
The invention provides a heading machine which comprises the intelligent drilling device for underground engineering.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. Intelligent drilling device for underground works, its characterized in that includes:
The drilling mechanism (1) is arranged on the fixed disc (2) and comprises a drill rod (101) which can axially stretch out and draw back on the fixed disc (2) and a driving assembly which is used for driving the drill rod (101) to axially stretch out and draw back and axially rotate;
The detection module is used for detecting rock fragments in the process of drilling the rock mass (4) to be excavated by the drilling mechanism (1) and rock mass physical mechanical parameters of the rock mass (4) to be excavated, and analyzing the block size and weight distribution rule of the rock fragments;
The control module is used for adjusting parameters of axial expansion and/or axial rotation of the drill rod (101) driven by the driving assembly according to the block size and weight distribution rule of the rock fragments;
The drilling mechanism (1) further comprises a connecting piece (102) arranged at one end of the drill rod (101) far away from the free end; the driving assembly comprises a rotary driving shaft (103) connected with the connecting piece (102) and a horizontal driving piece (104) for driving the drill rod (101) to axially move;
The horizontal driving piece (104) is a hydraulic pump; the driving assembly further comprises a servo motor connected with the rotary driving shaft (103), and the servo motor is used for driving the drill rod (101) to axially rotate;
the drilling mechanism (1) is further provided with a blocking element (105), the blocking element (105) is made of a high-strength carbon steel material, the carbon content of the high-strength carbon steel material is lower than 0.7%, and the strength of the high-strength carbon steel material is higher than that of the fixed disc (2) by more than 30%.
2. The intelligent drilling apparatus for underground works according to claim 1, wherein the detection module includes a cuttings detection unit including:
the image acquisition assembly is used for performing morphology acquisition on rock scraps in the process of drilling the rock mass (4) to be excavated by the drilling mechanism (1);
The weighing assembly is used for weighing the rock fragments and grading the weight of the obtained rock fragments;
and the quantitative analysis component is used for analyzing the block size and weight distribution rule of the rock fragments according to the morphology and weight classification of the rock fragments.
3. The intelligent drilling apparatus for underground works according to claim 2, wherein the detection module further comprises a parameter analysis unit including:
The parameter detection component is used for detecting the density, the porosity, the uniaxial compressive strength, the wear resistance and the brittleness of the rock scraps and determining the physical and mechanical parameters of the rock mass to be excavated (4);
The parameter analysis component is used for determining parameters of axial expansion and/or axial rotation of the drill rod (101) on the drilling mechanism (1) according to physical and mechanical parameters of the rock mass (4) to be excavated, and analyzing the block size and weight distribution rule of the rock fragments according to depth parameters, the morphology of the rock fragments and the weight of the rock fragments drilled on the rock mass (4) to be excavated.
4. The intelligent drilling device for underground engineering according to claim 1, wherein when the number of the drilling mechanisms (1) is at least two, at least two of the drilling mechanisms (1) are connected with the fixed disc (2) through a rotary connecting mechanism (8), and the rotary connecting mechanism (8) comprises:
the connecting rods (801) are arranged in the fixed disc (2), at least two drilling mechanisms (1) are arranged on the connecting rods (801), and piston rods of the at least two drilling mechanisms (1) are parallel to each other on the connecting rods (801);
The first lead screw (802) is positioned at one end of the connecting rod (801), a cylinder body of the first lead screw (802) is arranged on the fixed disc (2), and a piston rod of the first lead screw (802) is hinged with the connecting rod (801);
The second lead screw (803) is positioned at the other end of the connecting rod (801), a cylinder body of the second lead screw (803) is arranged on the fixed disc (2), and a piston rod of the second lead screw (803) is hinged with the connecting rod (801); the included angle between the extending and contracting direction of the piston rod of the second screw rod (803) and the extending and contracting direction of the piston rod of the first screw rod (802) is 15-160 degrees.
5. The intelligent drilling device for underground works according to claim 4, characterized in that the drilling device further comprises a fixing mechanism (9), the fixing mechanism (9) is used for fixing the drilling mechanism (1) rotating on the fixing plate (2) to fix the angle of the drill rod (101) arranged on the fixing plate (2).
6. The intelligent drilling device for underground works according to claim 5, characterized in that the fixing mechanism (9) comprises:
a first saw tooth (901) arranged outside the drilling mechanism (1);
Two moving plates (902) which are arranged in the fixed disc (2) and respectively extend out of two sides of the through hole of the fixed disc (2) from the drill rod (101);
The second saw teeth (903) are arranged on one side, close to the drill rod (101), of the moving plate (902), and the second saw teeth (903) and the first saw teeth (901) can be connected in a matched mode through the saw teeth;
The pushing assembly is respectively connected with the moving plate (902) and the fixed disc (2) and is used for pushing the two moving plates (902) to move in opposite directions or in opposite directions so as to control the second saw teeth (903) on the moving plates (902) to be fixed or separated from the first saw teeth (901) on the drilling mechanism (1).
7. A heading machine comprising an intelligent drilling device for underground engineering according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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