CN111075360A - Highway tunnel drilling mechanical device and construction method thereof - Google Patents
Highway tunnel drilling mechanical device and construction method thereof Download PDFInfo
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- CN111075360A CN111075360A CN202010032168.6A CN202010032168A CN111075360A CN 111075360 A CN111075360 A CN 111075360A CN 202010032168 A CN202010032168 A CN 202010032168A CN 111075360 A CN111075360 A CN 111075360A
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- 238000005553 drilling Methods 0.000 title claims abstract description 137
- 238000010276 construction Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 3
- 230000003287 optical effect Effects 0.000 claims description 58
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 101150006257 rig-4 gene Proteins 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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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
- E21B12/00—Accessories for drilling tools
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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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
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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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a road tunnel drilling mechanical device and a construction method thereof, wherein the road tunnel drilling mechanical device comprises the following steps: the drilling mechanism, the telescopic mechanism, the direction adjusting mechanism, the drilling rack and the fine adjustment mechanism; the drilling machine frame is arranged on the fine adjustment mechanism and moves left and right under the driving of the fine adjustment mechanism; the drilling mechanism is fixedly connected to the telescopic mechanism and is consistent with the direction of the telescopic mechanism; the telescopic mechanism is arranged above the drilling rack and is connected with the direction adjusting mechanism, and under the action of the direction adjusting mechanism, the front ends of the telescopic mechanism and the drilling mechanism are driven to lift upwards or reset. The direction adjustment of realization drilling angle that can be convenient can realize pinpointing to the fine adjustment of drilling position to and a large amount of dust that produce when can spray water and reduce drilling.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of tunnel construction, and particularly relates to a road tunnel drilling mechanical device and a construction method thereof.
[ background of the invention ]
In the last stage of highway tunnel construction, three lines, namely construction lighting lines, power lines and high-voltage cable lines, are arranged in the tunnel. The "three-wire" arrangement requires the installation of a tripod at the regular height specified for the side walls of the tunnel. When the tripod is installed, an anchor bolt hole needs to be drilled at a specified height on a side wall, and the existing anchor bolt hole is drilled on a lifting ladder car by a hand-held drilling machine. The following problems exist in the construction process: (1) constructors have high labor intensity, can generate great noise in the construction of highway tunnels to influence the life of surrounding residents and generate a large amount of dust to pollute the environment, and the safety of workers is greatly threatened by the climbing construction. (2) Punching a side wall in a tunnel is a very complicated engineering problem, and the punching position needs to be changed uninterruptedly, so that the punching efficiency of constructors is very low. (3) When the hole of the side wall is positioned manually, the positioning accuracy is inaccurate only by relying on the previous work experience.
[ summary of the invention ]
The invention aims to provide a road tunnel drilling mechanical device and a construction method thereof, which can conveniently realize direction adjustment of a drilling angle, can realize accurate positioning of fine adjustment of a drilling position, and can spray water to reduce a large amount of dust generated during drilling.
The invention adopts the following technical scheme: a road tunnel boring machine comprising: the drilling mechanism, the telescopic mechanism, the direction adjusting mechanism, the drilling rack and the fine adjustment mechanism; the drilling machine frame is arranged on the fine adjustment mechanism and moves left and right under the driving of the fine adjustment mechanism; the drilling mechanism is fixedly connected to the telescopic mechanism and is consistent with the direction of the telescopic mechanism; the telescopic mechanism is arranged above the drilling rack and is connected with the direction adjusting mechanism, and under the action of the direction adjusting mechanism, the front ends of the telescopic mechanism and the drilling mechanism are driven to lift upwards or reset.
Further, the fine adjustment mechanism includes: the base is a rectangular frame which is horizontally arranged; the fine adjustment seat is a rectangular frame, is arranged above the base in parallel and is connected with the base through a fine adjustment control piece, and under the action of the fine adjustment control piece, the fine adjustment seat moves back and forth and left and right on the base.
Further, the regulating member comprises: the fine adjustment guide rods are arranged in parallel at intervals, transversely penetrate through the fine adjustment seat and are arranged on the left longitudinal beam and the right longitudinal beam of the base; the fine adjustment screw rod is parallel to each fine adjustment guide rod, is positioned between the two fine adjustment guide rods, transversely penetrates through the fine adjustment seat and is arranged on the left longitudinal beam and the right longitudinal beam of the base; and a fine adjustment motor is arranged at one end of the fine adjustment screw rod, and the fine adjustment motor is matched with the fine adjustment screw rod and used for driving the fine adjustment seat to reciprocate left and right along the fine adjustment guide rod.
Further, the direction adjusting mechanism comprises: the two direction-adjusting supports are vertically arranged plate bodies, are respectively arranged on the front cross beam and the rear cross beam of the fine adjustment seat and are positioned between the two frames of the drilling rack; the two direction-adjusting guide rods are longitudinally and parallelly arranged between the two direction-adjusting brackets;
the direction-adjusting screw rod is positioned between the two direction-adjusting guide rods and is parallel to the two direction-adjusting guide rods; the two ends of the direction adjusting bracket are connected with the direction adjusting bracket; and one end is connected with the direction-adjusting motor;
the direction adjusting seat is a block-shaped body, horizontally sleeved with the direction adjusting guide rods and the direction adjusting screw rod and can move back and forth along the direction adjusting guide rods.
Further, still include: the lower connecting rod optical axis is transversely erected above the direction adjusting seat and is fixedly connected to the direction adjusting seat through a lower optical axis support.
And the upper connecting rod optical axis is positioned above the lower connecting rod optical axis, and both ends of the upper connecting rod optical axis are installed on the corresponding first optical axis supports.
The direction-adjusting connecting rod is vertically arranged, the upper end of the direction-adjusting connecting rod is hinged to the optical axis of the upper connecting rod, and the lower end of the direction-adjusting connecting rod is hinged to the optical axis of the lower connecting rod.
The rotating optical axis is positioned in front of the optical axis of the upper connecting rod and is parallel to the optical axis of the upper connecting rod, the rotating optical axis penetrates through the second optical axis support, and the left end and the right end of the rotating optical axis are both installed on the bearing block; each bearing seat is arranged on the upper walls of the two frames of the drilling machine frame.
Furthermore, a stay wire displacement sensor is installed on the lower portion of the direction-adjusting support at the rear end, and a stay wire steel wire of the stay wire displacement sensor is fixedly connected to the lower optical axis support.
Further, the telescopic mechanism includes: the telescopic mounting frame is a U-shaped plate, is arranged in the front-back direction and is fixedly connected to the first optical axis support and the second optical axis support; when the direction-adjusting seat moves forwards, the rear end of the telescopic mounting rack is driven to move downwards through the direction-adjusting connecting rod, so that the telescopic mounting rack is lifted upwards; when the direction-adjusting seat moves backwards, the telescopic mounting rack resets; the telescopic seat is an inverted L-shaped plate body, is arranged between the two vertical plates of the telescopic mounting frame in the front and at the back, and is positioned at the rear end of the vertical downward vertical plate;
the two telescopic guide shafts are arranged between the two vertical plates of the telescopic mounting frame in parallel at intervals; and penetrates through the vertical downward vertical plate of the telescopic seat.
The telescopic adjusting screw rod is arranged between the rear vertical plate and the telescopic seat of the telescopic mounting frame, is parallel to the telescopic guide shaft and penetrates through the vertically downward vertical plate of the telescopic seat; one end of the telescopic adjusting screw rod is connected with a telescopic adjusting motor so as to enable the telescopic base to move back and forth.
Further, the drilling mechanism includes: the drilling frame is a U-shaped plate which is arranged in the front-back direction, and the rear end of the drilling frame is integrally connected with the telescopic seat. The drilling motor cabinet sets up the anterior segment on drilling frame.
The two drilling guide shafts are arranged at intervals and in parallel on the rear vertical plate of the U-shaped plate and the drilling motor base, and the direction of the drilling guide shafts is consistent with that of the drilling frame. And two buffer springs are arranged and are correspondingly sleeved on the drill hole guide shaft.
The drilling motor is arranged on the drilling frame in the front-back direction and is fixed through the drilling motor mounting frame, and a drill bit is installed at the front end of the drilling motor.
Further, still include: the water pipe support is composed of a vertical column and a horizontal column which are connected, the vertical column is vertically arranged on the telescopic seat, and the horizontal column faces forwards; a vertical plate which is vertically upward and is provided with a front-back through hole is arranged at the front end of the horizontal column; a front-back through hole is formed in the vertical column; the water pipe is erected on the horizontal column of the water pipe support, the front end of the water pipe penetrates through the through hole of the vertical plate, and the rear end of the water pipe penetrates through the through hole of the vertical column.
The water pipe nozzle is a bent pipe and is arranged at the front end of the water pipe; and the illuminating lamp is arranged at the upper end of the upright post of the water pipe bracket and faces the front.
The invention discloses a construction method of the road tunnel drilling mechanical device, which comprises the following steps:
step one, adjusting the direction of the drill bit: the drill bit is at a horizontal position, the movable lifting platform is used for adjusting the drilling mechanical device to lift to the height of a hole to be drilled, the direction adjusting motor is controlled to rotate, the direction adjusting screw rod rotates to enable the direction adjusting seat to move forwards, the direction adjusting connecting rod enables the telescopic mounting frame to rotate around the rotating optical axis, and the front end of the telescopic mounting frame is lifted; the stay wire displacement sensor measures the length of the pulled stay wire steel wire to obtain the distance of the forward movement of the direction adjusting seat so as to calculate the upward angle of the telescopic mounting frame, and when the direction of the drill bit is perpendicular to the wall surface of the tunnel, the direction adjusting motor is stopped.
Step two, fine adjustment: and starting the fine adjustment motor to rotate forwards or reversely to drive the fine adjustment screw rod to rotate, so that the fine adjustment seat moves to drive the drilling rack to move leftwards or rightwards and backwards, and after the drill bit is adjusted to a specified position, the fine adjustment motor stops.
Step three, drilling: turning on the illuminating lamp, starting a drilling motor and a telescopic adjusting motor, wherein the drilling motor and the telescopic adjusting motor rotate to drive a telescopic adjusting screw rod to rotate, so that a drilling mechanism fixedly connected to the telescopic seat moves towards the direction close to the wall surface of the tunnel; the buffer spring absorbs the impact force during drilling; after the drill bit drills to the appointed degree of depth, the flexible adjustment motor of control reverses, stops the water jet pump simultaneously, makes through flexible adjustment lead screw drilling mechanism removes to the direction of keeping away from the tunnel wall, after removing to initial position, makes drilling motor and flexible adjustment motor stop, and drilling is accomplished.
The invention has the beneficial effects that: the direction adjustment of the drilling angle can be conveniently realized, and the accurate positioning of the micro-adjustment of the drilling position can be realized; water can be sprayed in the drilling process, so that a large amount of dust generated in the drilling process is reduced; the lighting device is arranged, so that the drilling on the side wall of the tunnel is smoothly completed.
[ description of the drawings ]
FIG. 1 is a general schematic view of a road tunnel boring machine of the present invention;
FIG. 2 is a schematic structural diagram of a road tunnel boring machine according to the present invention;
FIG. 3 is a rear view of a road tunnel boring mechanism of the present invention;
wherein: 1. a drilling mechanism; 101. a drill bit; 102. a drill chuck; 103. drilling a motor mounting rack; 104. a drilling motor; 105. drilling a motor base; 106. drilling a guide shaft; 107. a buffer spring; 108. drilling a hole frame; 109. a water pipe bracket; 110. a water pipe; 111. a water pipe nozzle; 112. an illuminating lamp;
2. a telescoping mechanism; 201. a telescopic base; 202. a telescopic guide shaft; 203. a telescopic adjusting screw rod; 204. a telescopic mounting rack; 205. a telescopic adjustment motor;
3. a direction adjusting mechanism; 301. an optical axis support; 302. an upper link optical axis; 303. rotating the optical axis; 304. a bearing seat; 305. a direction-adjusting connecting rod; 306. a lower link optical axis; 307. an optical axis support; 308. a direction adjusting seat; 309. adjusting a direction screw rod; 310. a direction-adjusting seat guide rod; 311. a direction-adjusting motor; 312. adjusting the direction of the bracket; 313. a pull wire displacement sensor; 314. pulling a steel wire;
4. a drilling machine frame; 401. a cross beam; 402. a column; 403. a bottom beam; 404. a chassis base plate;
5. a fine adjustment mechanism; 501. a fine adjustment seat; 502. fine adjustment of a screw rod; 503. fine adjustment of the guide rod; 504. fine tuning a motor; 505. a coupling; 506. fine tuning a motor mounting bracket; 507. fine-tuning the guide rod support; 508. finely adjusting a screw rod bearing seat; 509. a base.
[ detailed description ] embodiments
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention discloses a road tunnel drilling mechanical device, which comprises the following components in parts by weight as shown in figures 1, 2 and 3: the drilling machine comprises a drilling mechanism 1, a telescopic mechanism 2, a direction adjusting mechanism 3, a drilling rack 4 and a fine adjustment mechanism 5; the drilling machine frame 4 is arranged on the fine adjustment mechanism 5 and moves left and right under the driving of the fine adjustment mechanism 5; the drilling mechanism 1 is fixedly connected to the telescopic mechanism 2 and is consistent with the direction of the telescopic mechanism 2; the telescopic mechanism 2 is arranged above the drilling rack 4 and connected with the direction adjusting mechanism 3, and under the action of the direction adjusting mechanism 3, the front ends of the telescopic mechanism 2 and the drilling mechanism 1 are driven to be lifted upwards or reset.
The fine adjustment mechanism 5 includes: the base 509 is a horizontally disposed rectangular frame formed by welding four angle bars. The fine adjustment seat 501 is a rectangular frame, is arranged above the base 509 in parallel, and is connected with the base 509 through a fine adjustment control member, and under the action of the fine adjustment control member, the fine adjustment seat 501 moves back and forth and left and right on the base 509.
The regulating member comprises: at least two fine adjustment guide rods 503 are arranged in parallel at intervals, transversely penetrate through the fine adjustment seat 501, and are arranged on the left longitudinal beam and the right longitudinal beam of the base 509; the fine tuning screw rods 502 are parallel to the fine tuning guide rods 503, are positioned between the two fine tuning guide rods 503, transversely penetrate through the fine tuning seat 501, and are arranged on the left longitudinal beam and the right longitudinal beam of the base 509; one end of the fine adjustment screw rod 502 is provided with a fine adjustment motor 504, and the fine adjustment motor 504 is matched with the fine adjustment screw rod 502 and used for driving the fine adjustment seat 501 to reciprocate left and right along the fine adjustment guide rod 503.
The direction adjusting mechanism 3 includes: the two direction-adjusting supports 312 are vertically arranged plate bodies, are respectively arranged on the front and rear cross beams of the fine adjustment seat 501, and are located between the two frames of the drilling machine frame 4; two direction-adjusting guide rods 310 are longitudinally and parallelly arranged between the two direction-adjusting brackets 312; the direction-adjusting screw rods 309 are positioned between the two direction-adjusting guide rods 310 and are parallel; both ends of the direction adjusting bracket 312 are connected; and one end is connected with the direction-adjusting motor 311; the direction-adjusting base 308 is a block-shaped body, horizontally sleeved with the direction-adjusting guide rods 310 and the direction-adjusting screw rod 309, and can move back and forth along the direction-adjusting guide rods 310. Further comprising: a lower connecting rod optical axis 306 transversely erected above the direction-adjusting seat 308 and fixedly connected to the direction-adjusting seat 308 through a lower optical axis support 307;
the upper connecting rod optical axis 302 is positioned above the lower connecting rod optical axis 306, and two ends of the upper connecting rod optical axis 302 are arranged on the corresponding first optical axis supports 301; the rotating optical axis 303 is positioned in front of the optical axis 302 of the upper connecting rod and is parallel to the upper connecting rod, the rotating optical axis 303 passes through the second optical axis support, and the left end and the right end of the rotating optical axis 303 are both arranged on the bearing block 304; the direction-adjusting connecting rod 305 is vertically arranged, the upper end of the direction-adjusting connecting rod is hinged with the upper connecting rod optical axis 302, and the lower end of the direction-adjusting connecting rod is hinged with the lower connecting rod optical axis 306. Each bearing block 304 is mounted to the upper wall of both frames of the drill rig 4. The drilling machine frame 4 is formed by connecting a cross beam 401, a vertical column 402 and a bottom beam 403, a machine frame bottom plate 404 is arranged below the bottom beam 403 at the lower part in the same direction, and the bottom beam 403 is fixedly connected with the corresponding machine frame bottom plate 404. A pull wire displacement sensor 313 is arranged at the lower part of the direction adjusting bracket 312 at the rear end, and a pull wire steel wire 314 of the pull wire displacement sensor 313 is fixedly connected on the lower optical axis support 307.
The above-mentioned telescopic machanism 2 includes: the telescopic mounting frame 204 is a U-shaped plate, is arranged in the front-back direction, and is fixedly connected to the first optical axis support 301 and the second optical axis support; when the direction-adjusting seat 308 moves forward, the rear end of the telescopic mounting frame 204 is driven to move downward by the direction-adjusting connecting rod 305, so that the telescopic mounting frame 204 is lifted upward; when the direction-adjusting seat 308 moves backwards, the telescopic mounting frame 204 resets;
the telescopic seat 201 is an inverted L-shaped plate body, is arranged between the two vertical plates of the telescopic mounting frame 204 in the front and back direction, and is positioned at the rear end of the vertical downward vertical plate;
the two telescopic guide shafts 202 are arranged between the two vertical plates of the telescopic mounting frame 204 in parallel at intervals; a vertical plate extending vertically downward and penetrating the telescopic base 201;
the telescopic adjusting screw rod 203 is arranged between the rear vertical plate of the telescopic mounting frame 204 and the telescopic seat 201, is parallel to the telescopic guide shaft 202, and penetrates through the vertically downward vertical plate of the telescopic seat 201; one end of the telescopic adjustment screw rod 203 is connected with a telescopic adjustment motor 205 so as to move the telescopic base 201 back and forth.
The drilling mechanism 1 includes: the drilling frame 108 is a U-shaped plate and is arranged in the front-back direction, and the rear end of the drilling frame is integrally connected with the telescopic seat 201; a drilling motor base 105 disposed on a front section of the drilling frame 108; two drilling guide shafts 106 are arranged at intervals and in parallel on the rear vertical plate of the U-shaped plate and the drilling motor base 105, and the direction of the drilling guide shafts is consistent with that of the drilling frame 108; two buffer springs 107 are correspondingly sleeved on the drill hole guide shaft 106, and the buffer springs 107 absorb impact force during drilling. And the drilling motor 104 is arranged on the drilling frame 108 in the front-back direction and is fixed through the drilling motor mounting frame 103, and the front end of the drilling motor is provided with the drill bit 101.
Further comprising: the water pipe bracket 109 is composed of a vertical column and a horizontal column which are connected, the vertical column is vertically arranged on the telescopic seat 201, and the horizontal column faces forwards; a vertical plate which is vertically upward and is provided with a front-back through hole is arranged at the front end of the horizontal column; a front-back through hole is formed in the vertical column;
the water pipes 110 are erected on the horizontal columns of the water pipe bracket 109 in the same direction, the front ends of the water pipes penetrate through the through holes of the vertical plates, and the rear ends of the water pipes penetrate through the through holes of the vertical columns; the water pipe nozzle 111 is a bent pipe and is installed at the front end of the water pipe 110. And an illumination lamp 112 mounted on the upper end of the column of the water pipe bracket 109 with the illumination side facing forward.
The construction method of the road tunnel drilling mechanical device comprises the following steps:
step one, adjusting the direction of a drill bit 101: the initial position of the drill 101 is in a horizontal position, the drilling mechanical device is adjusted to be lifted to the height to be drilled through the movable lifting platform, the direction-adjusting motor 311 is controlled to rotate, the direction-adjusting screw 309 rotates to enable the direction-adjusting seat 308 to move forwards, the telescopic mounting frame 204 rotates around the rotating optical shaft 303 through the direction-adjusting connecting rod 305, and the front end of the telescopic mounting frame 204 is lifted up; the stay wire displacement sensor 313 measures the length of the pulled stay wire 314 to obtain the forward movement distance of the steering seat 308, so as to calculate the tilt angle of the telescopic mounting frame 204, and when the direction of the drill bit 101 is perpendicular to the wall surface of the tunnel, the steering motor 311 is stopped.
Step two, fine adjustment: the fine adjustment motor 504 is started to rotate forward or backward to drive the fine adjustment screw rod 502 to rotate, so that the fine adjustment seat 501 moves to drive the drilling machine frame 3 to move leftwards or rightwards and backwards, and after the drill bit 101 is adjusted to a specified position, the fine adjustment motor 504 stops.
Step three, drilling: the lighting lamp 112 is turned on, the drilling motor 104 and the telescopic adjusting motor 205 are started, the drilling motor 104 and the telescopic adjusting motor 205 rotate to drive the telescopic adjusting screw rod 203 to rotate, so that the drilling mechanism 1 fixedly connected to the telescopic seat 201 moves towards the direction close to the wall surface of the tunnel, when the drill bit 101 is close to the wall surface of the tunnel, the water spraying pump is started, water is sprayed to the drilling position of the drill bit 101 through the water pipe 110 and the water pipe nozzle 111 to reduce dust generated during drilling, under the action of reverse thrust of the wall surface of the tunnel, the drilling motor seat 105 tightly presses the buffer spring 107 sleeved on the drilling guide shaft 106, and the buffer spring 107 absorbs impact force during drilling; after the drill 101 drills to a specified depth, the telescopic adjusting motor 205 is controlled to rotate reversely, the water spraying pump is stopped, the drilling mechanism 1 is moved in a direction away from the tunnel wall surface through the telescopic adjusting screw rod 203, and after the drilling mechanism is moved to an initial position, the drilling motor 104 and the telescopic adjusting motor 205 are stopped, so that drilling is completed.
Claims (10)
1. A road tunnel boring machine, comprising: the drilling machine comprises a drilling mechanism (1), a telescopic mechanism (2), a direction adjusting mechanism (3), a drilling rack (4) and a fine adjustment mechanism (5);
the drilling machine frame (4) is arranged on the fine adjustment mechanism (5) and moves left and right under the driving of the fine adjustment mechanism (5);
the drilling mechanism (1) is fixedly connected to the telescopic mechanism (2) and is consistent with the direction of the telescopic mechanism (2); the telescopic mechanism (2) is arranged above the drilling rack (4) and is connected with the direction adjusting mechanism (3), and the front ends of the telescopic mechanism (2) and the drilling mechanism (1) are driven to lift upwards or reset under the action of the direction adjusting mechanism (3).
2. A road tunnel boring machine according to claim 1, characterized in that said fine adjustment mechanism (5) comprises:
a base (509) which is a rectangular frame arranged horizontally;
fine setting seat (501), for a rectangular frame, parallel arrangement in base (509) top, through fine setting control with base (509) are connected fine setting control is under the effect of fine setting control, fine setting seat (501) is in front and back, side-to-side movement on base (509).
3. A road tunnel boring machine according to claim 2, characterised in that the regulating means comprise:
at least two fine adjustment guide rods (503) are arranged in parallel at intervals, transversely penetrate through the fine adjustment seat (501), and are arranged on the left longitudinal beam and the right longitudinal beam of the base (509);
the fine adjustment screw rods (502) are parallel to the fine adjustment guide rods (503), are positioned between the two fine adjustment guide rods (503), transversely penetrate through the fine adjustment seat (501), and are arranged on the left longitudinal beam and the right longitudinal beam of the base (509); a fine adjustment motor (504) is installed at one end of the fine adjustment screw rod (502), and the fine adjustment motor (504) is matched with the fine adjustment screw rod (502) and used for driving the fine adjustment seat (501) to reciprocate left and right along a fine adjustment guide rod (503).
4. A road tunnel boring machine according to claim 2, characterized in that said steering mechanism (3) comprises:
the two direction-adjusting supports (312) are vertically arranged plate bodies, are respectively arranged on the front cross beam and the rear cross beam of the fine adjustment seat (501), and are positioned between the two frames of the drilling rack (4);
the two direction-adjusting guide rods (310) are longitudinally and parallelly arranged between the two direction-adjusting brackets (312);
the direction-adjusting screw rod (309) is positioned between the two direction-adjusting guide rods (310) and is parallel to the two direction-adjusting guide rods; the two ends of the direction adjusting bracket (312) are connected with the direction adjusting bracket; and one end is connected with a direction-adjusting motor (311);
the direction adjusting seat (308) is a block-shaped body, horizontally sleeved with the direction adjusting guide rods (310) and the direction adjusting screw rod (309), and can move back and forth along the direction adjusting guide rods (310).
5. A road tunnel boring machine according to claim 4, further comprising:
the lower connecting rod optical axis (306) is transversely erected above the direction adjusting seat (308) and is fixedly connected to the direction adjusting seat (308) through a lower optical axis support (307);
the upper connecting rod optical axis (302) is positioned above the lower connecting rod optical axis (306), and two ends of the upper connecting rod optical axis (302) are respectively arranged on the corresponding first optical axis supports (301);
the direction-adjusting connecting rod (305) is vertically arranged, the upper end of the direction-adjusting connecting rod is hinged with the upper connecting rod optical axis (302), and the lower end of the direction-adjusting connecting rod is hinged with the lower connecting rod optical axis (306);
the rotating optical axis (303) is positioned in front of the optical axis (302) of the upper connecting rod and is parallel to the optical axis, the rotating optical axis (303) penetrates through the second optical axis support, and the left end and the right end of the rotating optical axis (303) are both installed on the bearing block (304); and each bearing seat (304) is arranged on the upper walls of the two frames of the drilling machine frame (4).
6. A road tunnel boring machine according to claim 4 or 5, characterized in that a stay wire displacement sensor (313) is mounted at the lower part of the direction-adjusting bracket (312) at the rear end, and a stay wire steel wire (314) of the stay wire displacement sensor (313) is fixedly connected to the lower optical axis support (307).
7. A road tunnel boring machine according to claim 6, characterized in that the telescopic mechanism (2) comprises:
the telescopic mounting frame (204) is a U-shaped plate, is arranged in the front-back direction and is fixedly connected to the first optical axis support (301) and the second optical axis support; when the direction-adjusting seat (308) moves forwards, the rear end of the telescopic mounting rack (204) is driven to move downwards through the direction-adjusting connecting rod (305), so that the telescopic mounting rack (204) is lifted upwards; when the direction adjusting seat (308) moves backwards, the telescopic mounting rack (204) resets;
the telescopic seat (201) is an inverted L-shaped plate body, is arranged between the two vertical plates of the telescopic mounting frame (204) in the front and at the back, and is positioned at the rear end of the vertical downward vertical plate;
the two telescopic guide shafts (202) are arranged between the two vertical plates of the telescopic mounting frame (204) in parallel at intervals; a vertical plate which penetrates through the telescopic seat (201) and faces downwards vertically;
the telescopic adjusting screw rod (203) is arranged between the rear vertical plate of the telescopic mounting frame (204) and the telescopic seat (201), is parallel to the telescopic guide shaft (202), and penetrates through a vertical downward vertical plate of the telescopic seat (201); one end of the telescopic adjusting screw rod (203) is connected with a telescopic adjusting motor (205) so as to enable the telescopic seat (201) to move back and forth.
8. A road tunnel boring machine according to claim 7, characterized in that the boring mechanism (1) comprises:
the drilling frame (108) is a U-shaped plate and is arranged in the front-back direction, and the rear end of the drilling frame is integrally connected with the telescopic seat (201);
a drilling motor base (105) arranged on the front section of the drilling frame (108);
two drilling guide shafts (106) are arranged at intervals and in parallel on the U-shaped plate rear vertical plate and the drilling motor base (105), and the direction of the drilling guide shafts is consistent with that of the drilling frame (108);
two buffer springs (107) are correspondingly sleeved on the drilling guide shaft (106);
and the drilling motor (104) is arranged on the drilling frame (108) in the front-back direction and is fixed through a drilling motor mounting frame (103), and a drill bit (101) is installed at the front end of the drilling motor mounting frame.
9. A road tunnel boring machine according to claim 8, further comprising:
the water pipe support (109) consists of a vertical column and a horizontal column which are connected, the vertical column is vertically arranged on the telescopic seat (201), and the horizontal column faces forwards; a vertical plate which is vertically upward and is provided with a front-back through hole is arranged at the front end of the horizontal column; a front-back through hole is formed in the vertical column;
the water pipe (110) is erected on a horizontal column of the water pipe bracket (109), the front end of the water pipe passes through the through hole of the vertical plate, and the rear end of the water pipe passes through the through hole of the vertical column;
the water pipe nozzle (111) is a bent pipe and is arranged at the front end of the water pipe (110);
and an illuminating lamp (112) which is installed at the upper end of the upright post of the water pipe bracket (109) and faces the front.
10. A construction method of a road tunnel boring machine according to any one of claims 1 to 9, characterized in that the construction method is as follows:
step one, adjusting the direction of the drill bit (101): the initial position of the drill bit (101) is in a horizontal position, the drilling mechanical device is adjusted to be lifted to the height to be drilled through the movable lifting platform, the direction adjusting motor (311) is controlled to rotate, the direction adjusting screw rod (309) rotates, the direction adjusting seat (308) moves forwards, the telescopic mounting frame (204) rotates around the rotating optical axis (303) through the direction adjusting connecting rod (305), and the front end of the telescopic mounting frame (204) is lifted; the stay wire displacement sensor (313) measures the length of a pulled stay wire steel wire (314) to obtain the forward movement distance of the steering seat (308) so as to calculate the upward angle of the telescopic mounting frame (204), and when the direction of the drill bit (101) is vertical to the wall surface of the tunnel, the steering motor (311) is stopped;
step two, fine adjustment: starting the fine adjustment motor (504) to rotate forwards or reversely to drive the fine adjustment screw rod (502) to rotate, so that the fine adjustment seat (501) moves to drive the drilling rack (3) to move leftwards or rightwards and backwards, and after the drill bit (101) is adjusted to a specified position, stopping the fine adjustment motor (504);
step three, drilling: the lighting lamp (112) is turned on, the drilling motor (104) and the telescopic adjusting motor (205) are started, the drilling motor (104) and the telescopic adjusting motor (205) rotate to drive the telescopic adjusting screw rod (203) to rotate, so that the drilling mechanism (1) fixedly connected to the telescopic seat (201) moves towards the direction close to the wall surface of the tunnel, when the drill bit (101) is close to the wall surface of the tunnel, the water spray pump is started, and water is sprayed to the drilling position of the drill bit (101) through the water pipe (110) and the water pipe nozzle (111); the buffer spring (107) absorbs the impact force during drilling; after the drill bit (101) drills to a specified depth, the telescopic adjusting motor (205) is controlled to rotate reversely, the water spraying pump is stopped, the drilling mechanism (1) is moved towards the direction far away from the wall surface of the tunnel through the telescopic adjusting screw rod (203), and after the drilling mechanism is moved to an initial position, the drilling motor (104) and the telescopic adjusting motor (205) are stopped, so that drilling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032168.6A CN111075360A (en) | 2020-01-13 | 2020-01-13 | Highway tunnel drilling mechanical device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032168.6A CN111075360A (en) | 2020-01-13 | 2020-01-13 | Highway tunnel drilling mechanical device and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111075360A true CN111075360A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010032168.6A Pending CN111075360A (en) | 2020-01-13 | 2020-01-13 | Highway tunnel drilling mechanical device and construction method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN111075360A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957868A (en) * | 2021-02-13 | 2021-06-15 | 徐逸萍 | Flue gas desulfurization and denitration device lower part sliding support for accelerating progress |
-
2020
- 2020-01-13 CN CN202010032168.6A patent/CN111075360A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957868A (en) * | 2021-02-13 | 2021-06-15 | 徐逸萍 | Flue gas desulfurization and denitration device lower part sliding support for accelerating progress |
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