CN110173287B - Normal anchor rod mechanism of heading machine - Google Patents
Normal anchor rod mechanism of heading machine Download PDFInfo
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- CN110173287B CN110173287B CN201910562995.3A CN201910562995A CN110173287B CN 110173287 B CN110173287 B CN 110173287B CN 201910562995 A CN201910562995 A CN 201910562995A CN 110173287 B CN110173287 B CN 110173287B
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- 238000005553 drilling Methods 0.000 claims abstract description 157
- 239000011435 rock Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
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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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a normal anchor rod mechanism of a heading machine, which comprises the following components: the system comprises a pulley used for being connected with a heading machine, a drilling machine device movably arranged along the length direction of the pulley and a control device used for controlling the action of the drilling machine device, wherein the drilling machine device comprises a swing arm system used for driving the drilling machine to have a horizontal movement component in a plane perpendicular to the axis direction of a tunnel, and the swing arm system is connected with the control device; the swing arm system is connected with the pulley, and the drilling machine is rotatably arranged in the swing arm system in a plane perpendicular to the axial direction of the tunnel so as to realize normal drilling of the drilling machine, obtain the maximum radial anchoring force and improve the anchoring effect in roadway support.
Description
Technical Field
The invention relates to the technical field of anchor bolt support, in particular to a normal anchor bolt mechanism of a heading machine.
Background
The anchor bolt support is a surrounding rock support mode commonly used in the construction of a full-face heading machine, and is mainly drilled through an anchor rod drilling machine and then anchored. Due to space limitation in tunnel construction, the drilling machine has certain requirements on the installation arrangement of the drilling machine and the structure and the size of related connecting pieces, the drilling machine needs to be ensured to have enough movement space and flexibility, and the accuracy and the high efficiency of drilling are ensured.
The anchoring effect of the anchor rod is embodied as the effect of radial force and tangential force, the radial anchoring force applies surrounding pressure to surrounding rock, the surrounding rock is converted from a unidirectional or bidirectional stress state to a three-dimensional stress state, and the stability of the surrounding rock is improved; the anchor rod penetrates through the weak face in the same rock stratum, and the tangential anchoring force improves the mechanical property of the weak face, so that the mechanical property of surrounding rock is improved. The radial anchoring force mainly plays a supporting role, the tangential anchoring force plays a reinforcing role, and the radial anchoring force mainly plays a role in roadway support, so that the value of the radial force is increased, and the anchoring effect can be improved.
In summary, how to increase the radial anchoring force of the anchor rod is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the invention aims to provide the normal anchor rod mechanism of the heading machine, which can realize normal drilling and increase the radial anchoring force of the anchor rod mechanism.
In order to achieve the above object, the present invention provides the following technical solutions:
a normal bolt mechanism for a heading machine, comprising: the system comprises a pulley connected with a heading machine, a drilling machine device movably arranged along the length direction of the pulley and a control device for controlling the action of the drilling machine device, wherein the drilling machine device comprises a swing arm system for driving the drilling machine to have a horizontal movement component in a plane perpendicular to the axis direction of a tunnel, and the swing arm system is connected with the control device;
the swing arm system is connected with the pulley, and the drilling machine is rotatably arranged in the swing arm system in a plane perpendicular to the axial direction of the tunnel so as to realize normal drilling of the drilling machine.
Preferably, the swing arm system comprises a travelling trolley capable of moving along the length direction of the pulley, a large arm rotatably connected with the travelling trolley, and a compensation oil cylinder with one end rotatably connected with the travelling trolley and the other end rotatably connected with the large arm;
The drilling machine is connected with the large arm, the compensation oil cylinder stretches and contracts to enable the large arm to drive the drilling machine to move to a position where the hinge points of the drilling machine and the swing arm system coincide with the normal line to be drilled, and the compensation oil cylinder is connected with the control device;
The hinge point of the drilling machine and the swing arm system is the intersection point of a rotation central shaft of the drilling machine rotating relative to the swing arm system and a plane perpendicular to the tunnel axis direction where the center to be drilled is located;
the normal line to be drilled is a straight line which is perpendicular to the tangential plane to be drilled and passes through the center of the to-be-drilled.
Preferably, the walking trolley, the large arm and the compensation cylinder are arranged in a triangular structure.
Preferably, the large arm is provided with a swing motor for driving the drilling machine to rotate relative to the large arm so that the straight line of the drill rod of the drilling machine coincides with the normal line of the to-be-drilled hole, and the swing motor is connected with the control device.
Preferably, the swing motor is connected with a small arm, and the small arm is connected with a drilling machine.
Preferably, the pulley is provided with a traveling cylinder for pushing the drilling machine device to move relative to the pulley, one end of the traveling cylinder is connected with the pulley, the other end of the traveling cylinder is connected with the drilling machine device, and the traveling cylinder is connected with the control device.
Preferably, the trolley is provided with a travelling rail, the drill rig device is provided with a travelling rail for cooperation with the travelling trolley, and the travelling trolley slides along the travelling rail to enable the drill rig device to slide relative to the trolley.
Preferably, the drilling machine comprises a push beam support connected with the swing motor, a rock drill connected with the push beam support and a push cylinder for driving the rock drill to work;
The propulsion oil cylinder is arranged on the propulsion beam support and is connected with the control device.
Preferably, the drill device includes a first drill device and a second drill device symmetrically arranged along a width direction of the sled.
Preferably, the drilling machine further comprises a sensor for detecting the position of the center line of the drill rod of the drilling machine and transmitting the detection result to the control device, and the sensor is connected with the control device.
The invention provides a normal anchor rod mechanism of a heading machine, which comprises the following components: the system comprises a pulley used for being connected with a heading machine, a drilling machine device movably arranged along the length direction of the pulley and a control device used for controlling the action of the drilling machine device, wherein the drilling machine device comprises a swing arm system used for driving the drilling machine to have a horizontal movement component in a plane perpendicular to the axis direction of a tunnel, and the swing arm system is connected with the control device; the swing arm system is connected with the pulley, and the drilling machine is rotatably arranged in the swing arm system in a plane perpendicular to the axial direction of the tunnel so as to realize normal drilling of the drilling machine.
In the use process, when the position to be drilled is required to be drilled, the drilling machine device can be firstly moved to a position where the straight line of the drill rod of the drilling machine coincides with the plane where the drill rod of the drilling machine is located in the direction perpendicular to the axis of the tunnel relative to the pulley in the length direction of the tunnel, then the swing arm system is moved relative to the pulley in the horizontal direction until the drilling machine is intersected with the normal line of the drilling machine and the rotation center shaft of the swing arm system, then the drilling machine is rotated to a position where the center line of the drill rod of the drilling machine coincides with the normal line of the drilling machine relative to the swing arm system, and at the moment, the drilling machine can drill the hole to be drilled to realize normal drilling of the drilling machine.
In addition, the sled is typically provided in the lower portion of the tunnel, so that the drilling device has a larger space to effect normal drilling, and thus normal drilling can be effected in a limited space.
In the normal drilling process, the included angle between the center line of the drill rod of the drilling machine and the normal line to be drilled is 0 degrees, the radial anchoring force fr= Fcos α, wherein Fr is the radial anchoring force, F is the anchoring force, and α is the included angle between the center line of the drill rod of the drilling machine and the normal line to be drilled, when α is 0 degrees, the maximum radial anchoring force can be obtained, and the anchoring effect in roadway support is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a first embodiment of a normal bolt mechanism of a heading machine provided by the present invention;
FIG. 2 is a force diagram of the anchor rod;
FIG. 3 is a schematic structural view of a drilling rig;
FIG. 4 is a schematic structural view of a drilling rig apparatus;
FIG. 5 is a schematic diagram of a structure for normal drilling of the A point;
fig. 6 is a schematic diagram of a structure for normal drilling of the B point.
In fig. 1-6:
1 is a drilling machine, 101 is a propelling beam support, 102 is a propelling cylinder, 103 is a rock drill, 2 is a swing arm system, 201 is a small arm, 202 is a swing motor, 203 is a compensation cylinder, 204 is a traveling trolley, 205 is a large arm, 3 is a traveling cylinder, 4 is a traveling track, 5 is a pulley, F is an anchoring force, fr is a radial anchoring force, ft is a tangential anchoring force, P is a tangential plane where a drilling hole is to be drilled, alpha is an included angle between a drill rod center line of the drilling machine and a normal line of the drilling hole, and O is a circle center of a circular arc tunnel in a plane perpendicular to the axial direction of the tunnel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The core of the invention is to provide a normal anchor rod mechanism of a heading machine, which can realize normal drilling and increase radial anchoring force of an anchor rod.
Referring to fig. 1-6, fig. 1 is a front view of a specific embodiment of a normal anchor rod mechanism of a heading machine according to the present invention; FIG. 2 is a force diagram of the anchor rod; FIG. 3 is a schematic structural view of a drilling rig; FIG. 4 is a schematic structural view of a drilling rig apparatus; FIG. 5 is a schematic diagram of a structure for normal drilling of the A point; fig. 6 is a schematic diagram of a structure for normal drilling of the B point.
The normal anchor rod mechanism of the tunneling machine comprises a pulley 5, a drilling machine device and a control device, wherein the pulley 5 is used for being connected with the tunneling machine, the drilling machine device is movably arranged along the length direction of the pulley 5, the control device is used for controlling the action of the drilling machine device, the drilling machine device comprises a swing arm system 2 which is used for driving a drilling machine 1 to have a horizontal movement component in a plane perpendicular to the axial direction of a tunnel, and the swing arm system 2 is connected with the control device; the swing arm system 2 is connected with the pulley 5, and the drilling machine 1 is rotatably arranged on the swing arm system 2 in a plane perpendicular to the axial direction of the tunnel so as to realize normal drilling of the drilling machine 1.
In the using process, when the position to be drilled is required to be drilled, the drilling machine device can be firstly moved relative to the pulley 5 along the length direction of the tunnel through the control device until the straight line where the drill rod of the drilling machine 1 is positioned coincides with the plane where the drill rod to be drilled is positioned in the direction perpendicular to the axis of the tunnel, so that the center position where the straight line where the drill rod of the drilling machine 1 is positioned in the same plane in the direction perpendicular to the axis of the tunnel; then the swing arm system 2 is moved relative to the pulley 5 by the control device and has a movement component along the horizontal direction until the rotation central axes of the drilling machine 1 and the swing arm system 2 intersect with the normal line to be drilled; the drilling machine 1 rotates relative to the swing arm system 2 to a position where the center line of the drill rod of the drilling machine 1 coincides with the normal line of the to-be-drilled hole, and at the moment, the drilling machine 1 drills the to-be-drilled hole to realize the normal drilling of the to-be-drilled hole.
In the normal drilling process, the included angle between the center line of the drill rod of the drilling machine 1 and the normal line to be drilled is 0 degrees, as shown in fig. 2, the radial anchoring force fr= Fcos α, the tangential anchoring force ft=fsinα, wherein Fr is the radial anchoring force, ft is the tangential anchoring force, F is the anchoring force, α is the included angle between the center line of the drill rod of the drilling machine 1 and the normal line to be drilled, P is the tangential plane to be drilled, and O is the center of the circular arc tunnel in the plane perpendicular to the axial direction of the tunnel; in the roadway support, the radial anchoring force mainly acts, so that when alpha is 0 DEG, the maximum radial anchoring force can be obtained, and the anchoring effect in the roadway support is improved, so that a better anchoring effect is achieved.
Preferably, the control device comprises a three-coordinate positioning system, wherein the three-coordinate positioning system can acquire the coordinates of the position to be drilled, and calculate the normal line of the position to be drilled according to the coordinates of the position to be drilled; the control device controls the drilling machine device to move until the rotation axes of the drilling machine 1 and the swing arm system 2 are intersected with the normal line to be drilled, and the rotation axes of the drilling machine 1 and the swing arm system 2 are intersected with the normal line to be drilled at one point because the rotation axes of the drilling machine 1 and the swing arm system 2 are perpendicular to the normal line to be drilled; then the control device controls the drilling machine 1 to rotate relative to the swing arm system 2 until the center line of a drill rod of the drilling machine 1 coincides with the normal line of the hole to be drilled, and at the moment, the drilling machine 1 is controlled to drill the hole to be drilled, so that the normal hole to be drilled can be achieved.
It should be noted that, because the length of the tunnel is long, the pulley 5 is connected with the heading machine, the heading machine can drive the pulley 5 to advance in the advancing process, and the drilling device can move relative to the pulley 5 along the length direction of the tunnel, so that the drilling device is placed at a proper position along the length direction of the tunnel.
It should be further noted that the component of the movement of the drilling machine 1 in the horizontal direction in the plane perpendicular to the tunnel axis direction means that the swing arm system 2 can drive the drilling machine 1 to move in the moving process, and the moving direction of the drilling machine 1 has the component in the horizontal direction, so that the rotation central axes of the drilling machine 1 and the swing arm system 2 intersect with the normal line to be drilled; the specific swing arm system 2 can rotate or tilt or move horizontally, and the rotation center shafts of the drilling machine 1 and the swing arm system 2 can only intersect with the normal line of a hole to be drilled.
On the basis of the above embodiment, the swing arm system 2 may be made to include a traveling carriage 204 movable in the length direction of the sled 5, a large arm 205 rotatably connected to the traveling carriage 204, and a compensation cylinder 203 having one end rotatably connected to the traveling carriage 204 and the other end rotatably connected to the large arm 205; the drilling machine 1 is connected with the large arm 205, the compensation oil cylinder 203 moves in a telescopic mode, so that the large arm 205 drives the drilling machine 1 to move to a position where the hinging point of the drilling machine 1 and the swing arm system 2 coincides with the normal line to be drilled, and the compensation oil cylinder 203 is connected with the control device; the hinge point of the drilling machine 1 and the swing arm system 2 is the intersection point of a rotation central shaft of the drilling machine 1 rotating relative to the swing arm system 2 and a plane perpendicular to the center to be drilled on the axis direction of the tunnel; the normal line to be drilled is a straight line perpendicular to the tangential plane to be drilled and passing through the center of the hole to be drilled.
During the use, the telescopic motion of the compensation oil cylinder 203 can be controlled by the control device to drive the large arm 205 to rotate relative to the travelling trolley 204, and the large arm 205 rotates to drive the drilling machine 1 to rotate relative to the travelling trolley 204 because the drilling machine 1 is rotationally connected with the large arm 205, and the drilling machine 1 has a horizontal moving component in the rotating process relative to the pulley 5, so that the drilling machine can move to a position where the hinge point of the drilling machine 1 and the large arm 205 coincides with the normal line of a hole to be drilled.
It should be noted that, since the drilling machine 1 is rotatable relative to the large arm 205 in a plane perpendicular to the tunnel axis direction, the hinge axis of the drilling machine 1 and the large arm 205 is along the length direction of the tunnel, and the normal line to be drilled is located in a plane perpendicular to the tunnel axis direction, so after the hinge axis of the drilling machine 1 and the large arm 205 intersects with the normal line to be drilled, the drilling machine 1 is controlled to rotate relative to the large arm 205, and the center line of the drill rod of the drilling machine 1 can be overlapped with the normal line to be drilled.
Preferably, as shown in fig. 4, the large arm 205 may be a triangular plate-like structure.
On the basis of the above embodiment, the traveling carriage 204, the large arm 205, and the compensation cylinder 203 may be arranged in a triangular structure.
Because the triangle structure has stronger stability, the walking trolley 204, the large arm 205 and the compensation cylinder 203 are arranged in a triangle shape, and have stronger reaction force in the drilling process of the drilling machine 1, so that the normal propulsion of the drilling machine 1 can be ensured.
On the basis of the above embodiment, the swing motor 202 for driving the drilling machine 1 to rotate relative to the large arm 205 so that the line where the drill rod of the drilling machine 1 is located coincides with the normal where the hole to be drilled is located may be provided on the large arm 205, and the swing motor 202 is connected with the control device.
In use, the swing angle of the swing motor 202 can be controlled by the control device such that the centre line of the drill rod of the drilling machine 1 coincides with the normal to be drilled.
Preferably, for convenience of installation, a small arm 201 for connection with the drilling machine 1 may be provided on the swing motor 202, and the small arm 201 is connected with the swing motor 202.
On the basis of the above embodiment, in order to enable the drilling machine to move relative to the trolley 5 along the length direction of the tunnel, a traveling cylinder 3 for pushing the drilling machine to move relative to the trolley 5 may be provided in the trolley 5, one end of the traveling cylinder 3 is connected to the trolley 5, the other end is connected to the drilling machine, and the traveling cylinder 3 is connected to the control device.
When the drill rig is used, the telescopic movement of the walking oil cylinder 3 can be controlled through the control device, so that the moving distance of the drill rig relative to the pulley 5 is controlled.
In order to facilitate the movement of the drill device relative to the trolley 5, a running rail 4 for cooperation with the running trolley 204 may be provided at the trolley 5, the running trolley 204 being slid along the running rail 4 to slide the drill device relative to the trolley 5.
The travelling trolley 204 and the travelling rail 4 can roll in a matched manner through rollers, or can be in other manners meeting requirements, and the travelling trolley is specifically determined according to actual conditions and is not described in detail herein.
On the basis of the above embodiment, the drilling machine 1 may be made to include a push beam holder 101 connected to the swing motor 202, a rock drill 103 connected to the push beam holder 101, and a push cylinder 102 for driving the rock drill 103 to operate; the thrust cylinder 102 is arranged on the thrust beam support 101, and the thrust cylinder 102 is connected with the control device.
In the drilling process, after the center line of the drill rod of the drilling machine 1 coincides with the normal line to be drilled, the control device can control the extension and retraction of the pushing oil cylinder 102 so as to push the drill rod of the rock drill 103 along the normal line to be drilled, and drilling is completed.
On the basis of the above-described embodiment, in order to improve the drilling efficiency of the anchor rod mechanism of the heading machine, the drill means may be made to include first drill means and second drill means symmetrically arranged in the width direction of the sled 5; alternate drilling or simultaneous drilling at different positions can be realized to improve drilling efficiency.
Preferably, in order to increase the accuracy of the drilling, a sensor for detecting the position of the drill rod center line of the drilling machine 1 and transmitting the detection result to the control device may be provided, the sensor being connected to the control device.
The control device can judge the position of the drill rod center line of the drilling machine 1 according to the information transmitted by the sensor, preferably, a calculation center is arranged in the control device, and the calculation center can calculate the relative position between the drill rod center line of the drilling machine 1 and the normal line to be drilled through the information transmitted by the sensor so as to control the swing arm system 2 and the swing motor 202 to move.
It should be noted that the first and second of the first and second drill means mentioned in this document are merely for illustrating the difference in position and are not sequentially separated.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. Any combination of all the embodiments provided in the present invention is within the protection scope of the present invention, and will not be described herein.
The normal anchor rod mechanism of the heading machine provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (9)
1. A normal anchor rod mechanism of a heading machine, comprising: the system comprises a pulley (5) connected with a heading machine, a drilling machine device movably arranged along the length direction of the pulley (5) and a control device for controlling the action of the drilling machine device, wherein the drilling machine device comprises a swing arm system (2) for driving the drilling machine (1) to have a horizontal movement component in a plane perpendicular to the tunnel axis direction, and the swing arm system (2) is connected with the control device;
the swing arm system (2) is connected with the pulley (5), and the drilling machine (1) is rotatably arranged on the swing arm system (2) in a plane perpendicular to the axial direction of the tunnel so as to realize normal drilling of the drilling machine (1);
The swing arm system (2) comprises a travelling trolley (204) capable of moving along the length direction of the pulley (5), a large arm (205) rotatably connected with the travelling trolley (204), and a compensation oil cylinder (203) with one end rotatably connected with the travelling trolley (204) and the other end rotatably connected with the large arm (205);
The drilling machine (1) is connected with the large arm (205), the compensation oil cylinder (203) stretches and contracts, so that the large arm (205) drives the drilling machine (1) to move to a position where the hinging points of the drilling machine (1) and the swing arm system (2) coincide with the normal line to be drilled, and the compensation oil cylinder (203) is connected with the control device;
The hinge point of the drilling machine (1) and the swing arm system (2) is the intersection point of a rotation central shaft of the drilling machine (1) rotating relative to the swing arm system (2) and a plane perpendicular to the tunnel axis direction where the center to be drilled is located;
the normal line to be drilled is a straight line which is perpendicular to the tangential plane to be drilled and passes through the center of the to-be-drilled.
2. The heading machine normal bolt mechanism of claim 1, wherein the travelling trolley (204), the boom (205) and the compensation cylinder (203) are arranged in a triangular configuration.
3. A normal bolt mechanism of a heading machine according to claim 1, characterized in that the large arm (205) is provided with a swing motor (202) for driving the drilling machine (1) to rotate relative to the large arm (205) so that the line of the drill rod of the drilling machine (1) coincides with the normal line of the hole to be drilled, and the swing motor (202) is connected with the control device.
4. A normal bolt mechanism of a heading machine according to claim 3, characterised in that the swing motor (202) is connected to a small arm (201), the small arm (201) being connected to the drilling machine (1).
5. A normal bolt mechanism of a heading machine according to claim 4, characterized in that the trolley (5) is provided with a travelling cylinder (3) for pushing the rig device to move relative to the trolley (5), one end of the travelling cylinder (3) being connected to the trolley (5) and the other end being connected to the rig device, the travelling cylinder (3) being connected to the control device.
6. A normal bolt mechanism of a heading machine according to claim 5, characterised in that the trolley (5) is provided with a travelling rail (4) for cooperation with the travelling trolley (204), the travelling trolley (204) sliding along the travelling rail (4) to slide the rig apparatus relative to the trolley (5).
7. A normal bolt mechanism of a heading machine according to claim 6, characterized in that the drilling machine (1) comprises a thrust beam support (101) connected to the swing motor (202), a rock drill (103) connected to the thrust beam support (101) and a thrust cylinder (102) for driving the rock drill (103) into operation;
The propulsion oil cylinder (102) is arranged on the propulsion beam support (101), and the propulsion oil cylinder (102) is connected with the control device.
8. A heading machine normal bolt mechanism according to any one of claims 1-7, characterised in that the rig means comprises first and second rig means symmetrically arranged along the width of the trolley (5).
9. A normal bolt mechanism of a heading machine according to claim 8, further comprising a sensor for detecting the position of the centre line of the drill rod of the drilling machine (1) and transmitting the detection result to the control device, the sensor being connected to the control device.
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| CN201910562995.3A CN110173287B (en) | 2019-06-26 | 2019-06-26 | Normal anchor rod mechanism of heading machine |
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| CN201910562995.3A CN110173287B (en) | 2019-06-26 | 2019-06-26 | Normal anchor rod mechanism of heading machine |
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| CN110173287A CN110173287A (en) | 2019-08-27 |
| CN110173287B true CN110173287B (en) | 2024-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110735599A (en) * | 2019-11-07 | 2020-01-31 | 中铁工程服务有限公司 | TBM anchor rod drilling machine with multiple degrees of freedom |
| CN110671048A (en) * | 2019-11-07 | 2020-01-10 | 中铁工程服务有限公司 | TBM advanced anchor rod composite drilling machine |
| CN111594239B (en) * | 2020-06-05 | 2021-08-27 | 中国铁建重工集团股份有限公司 | Automatic anchor rod construction control method of hard rock heading machine |
| CN115199215A (en) * | 2022-07-14 | 2022-10-18 | 中国铁建重工集团股份有限公司 | Anchor bolt supporting device and tunnel boring machine with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109681129A (en) * | 2018-11-15 | 2019-04-26 | 北方重工装备（沈阳）有限公司 | A kind of rock drill translation slewing equipment |
| CN210087359U (en) * | 2019-06-26 | 2020-02-18 | 中国铁建重工集团股份有限公司 | Normal anchor rod mechanism of heading machine |
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| SU1350355A1 (en) * | 1985-07-12 | 1987-11-07 | С.М.Мауленкулов, И.Ш.Коган, В.К.Гердт, А.Цой и А.Н.Зверев | Set for driving mine workings |
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| CN109681129A (en) * | 2018-11-15 | 2019-04-26 | 北方重工装备（沈阳）有限公司 | A kind of rock drill translation slewing equipment |
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