CN106837355B - Gantry tunneling device for rock tunnel tunneling - Google Patents
Gantry tunneling device for rock tunnel tunneling Download PDFInfo
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- CN106837355B CN106837355B CN201710098041.2A CN201710098041A CN106837355B CN 106837355 B CN106837355 B CN 106837355B CN 201710098041 A CN201710098041 A CN 201710098041A CN 106837355 B CN106837355 B CN 106837355B
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- 230000005641 tunneling Effects 0.000 title claims abstract description 101
- 239000011435 rock Substances 0.000 title claims abstract description 73
- 238000005520 cutting process Methods 0.000 claims description 34
- 229910003460 diamond Inorganic materials 0.000 claims description 24
- 239000010432 diamond Substances 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 2
- 235000004443 Ricinus communis Nutrition 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 24
- 238000009412 basement excavation Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 12
- 230000007115 recruitment Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005422 blasting Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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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
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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
-
- 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
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a gantry tunneling device for rock tunnel tunneling, which comprises a gantry, a lifting part and a tunneling part, wherein the gantry is provided with a support frame; the portal frame comprises a top mounting frame mechanism, a bottom mounting frame mechanism, a middle supporting mechanism, a traveling mechanism and a guide rail group, wherein the top mounting frame mechanism comprises a first top supporting member, a second top supporting member, a third top supporting member and a fourth top supporting member, and the first top supporting member, the second top supporting member, the third top supporting member and the fourth top supporting member are sequentially connected end to end. The invention can improve the safety of tunnel excavation construction, has simple structure, low manufacturing cost, and can accelerate the construction speed of the rock tunnel, and has less influence on the mountain structure.
Description
Technical Field
The invention relates to the field of tunnel excavation, in particular to a gantry tunnel excavation device for rock tunnel excavation.
Background
In recent years, with the rapid development of social economy and the increasing demand of economic development on infrastructure, more and more importance is put on infrastructure construction, particularly the construction of traffic roads, but with regard to road construction, the terrain and geological structure have to be considered, and in mountainous areas, in order to save vehicle passing distance and reduce the climbing gradient of rail vehicles, tunnels have to be excavated on mountains. Since most mountains are of rock structures, the tunnel excavation engineering quantity is large, and therefore the tunnel excavation is difficult to construct for a long time, the safety guarantee is difficult, the construction process is complex, and the engineering progress is slow to become a difficult point. In the traditional tunnel driving construction, an explosion method and a shield method are mostly adopted. The existing shield tunneling machine is only suitable for tunnel construction of pebbles and mudstones with loose geological conditions, and for tunnel construction of rock geology, the shield tunneling machine is slow in construction progress, extremely high in cost, large in size, difficult to transport and not suitable for complex terrain. In the existing blasting method construction, slag is removed after blasting by using explosives, the tunnel wall formed by blasting is uneven and needs to be repaired manually, blasting inevitably damages mountain and rock mass structures, so that the stability of the mountain is poor, collapse and the like are easy to happen, the safety of constructors and equipment is endangered, and the material cost of manpower and the like for ensuring the safety in tunnel construction is increased continuously.
Disclosure of Invention
In view of the above, the present invention aims to provide a gantry tunneling apparatus for rock tunneling, which can improve the safety of tunnel excavation construction and has a simple structure, and which is not only low in cost, but also can accelerate the construction speed of a rock tunnel and has a small influence on a mountain structure.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a gantry tunneling device for rock tunnel tunneling comprises a gantry, a lifting part and a tunneling part;
the portal frame comprises a top mounting frame mechanism, a bottom mounting frame mechanism, a middle supporting mechanism, a traveling mechanism and a guide rail group, the top mounting frame mechanism comprises a first top supporting member, a second top supporting member, a third top supporting member and a fourth top supporting member, and the first top supporting member, the second top supporting member, the third top supporting member and the fourth top supporting member are sequentially connected end to end; the bottom mounting frame mechanism comprises a first bottom support member, a second bottom support member, a third bottom support member and a fourth bottom support member, and the first bottom support member, the second bottom support member, the third bottom support member and the fourth bottom support member are sequentially connected end to end; the middle supporting mechanism comprises more than or equal to four vertical supporting members, the upper ends of the vertical supporting members are connected with the top mounting frame mechanism, the lower ends of the vertical supporting members are connected with the bottom mounting frame mechanism, and the bottom mounting frame mechanism is arranged above the travelling mechanism and is connected with the travelling mechanism; the guide rail group comprises a transverse guide rail and a longitudinal guide rail, guide grooves of the transverse guide rail and guide grooves of the longitudinal guide rail are crossed and communicated, and the transverse guide rail and the longitudinal guide rail are respectively arranged above the bottom mounting frame mechanism and detachably connected with the bottom mounting frame mechanism;
the lifting part comprises a movable lifting platform;
the tunneling part comprises a tunneling driving mechanism, a tunneling mounting frame mechanism and a tunneling mechanism, the tunneling mechanism comprises a diamond bead wire saw, a disk saw for rock cutting, a wire saw mounting frame, a wire saw I-shaped driving wheel and more than or equal to two wire saw positioning wheel components, the wire saw positioning wheel components comprise a mounting shaft, a left supporting bearing, a right supporting bearing, a connecting piece, a left half I-shaped wheel and a right half I-shaped wheel, the left half I-shaped wheel is sleeved on the left supporting bearing outer ring and is fixedly connected with the left supporting bearing outer ring, the left supporting bearing inner ring is sleeved on the left end of the mounting shaft and is fixedly connected with the left end of the mounting shaft, the right supporting bearing is sleeved on the right end of the mounting shaft, the right end of the mounting shaft is fixedly connected with the right supporting bearing inner ring, the right half I-shaped wheel is sleeved on the right supporting bearing outer ring, the right half I-shaped wheel is fixedly connected with the right supporting bearing outer, the first end of the connecting piece is fixedly connected with the installation rotating shaft positioned between the left half spool and the right half spool, the connecting piece is assembled in a clearance mode between the left half spool and the right half spool respectively, and the left half spool and the right half spool are combined into a wire saw positioning spool with an outer ring provided with a limiting groove; the tunneling driving mechanism and the rope saw mounting frame are respectively arranged on the tunneling mounting frame mechanism; the rope saw positioning spool is fixedly connected with the rope saw mounting bracket through the connecting piece, the rope saw spool driving wheel is mounted on the rope saw mounting bracket, the rope saw spool driving wheel and the rope saw positioning spool are in driving connection through the diamond beaded rope saw, the diamond beaded rope saw in contact with the rope saw positioning spool is arranged in a limiting groove of the rope saw positioning spool, and the diamond beaded rope saw in contact with the rope saw driving spool is arranged in a limiting groove of the rope saw driving spool; the tunneling driving mechanism is in driving connection with the rope saw driving spool; the left side surface of the left half spool is provided with the circular saw for cutting rocks and is fixedly connected with the right side surface of the circular saw for cutting rocks; the right side surface of the right half spool is provided with the circular saw for cutting rocks and is fixedly connected with the left side surface of the circular saw for cutting rocks;
the driving installation frame mechanism is installed on an object stage of the movable lifting platform, trundles of the movable lifting platform are arranged in guide grooves of the transverse guide rails or guide grooves of the longitudinal guide rails, and the movable lifting platform can be installed under the driving of a lifting part driving mechanism on the portal frame and can freely move along the guide grooves of the transverse guide rails or the guide grooves of the longitudinal guide rails.
In the gantry tunneling device for rock tunneling, the tunneling driving mechanism is a torque motor.
The running mechanism of the gantry tunneling device for rock tunneling is a heavy caster with a brake.
According to the gantry tunneling device for rock tunneling, the rope saw mounting bracket comprises a positioning spool supporting rod and a rope saw mounting plate; the second end of connecting piece with the first end fixed connection of location spool bracing piece, the second end of location spool bracing piece with the rope saw mounting panel is articulated just location spool bracing piece accessible bracing piece locating pin with rope saw mounting panel fixed connection.
Above-mentioned a longmen tunnel tunnelling device for rock tunnel tunnelling, tunnelling mechanism still includes rope saw elasticity adjustment structure, rope saw elasticity adjustment structure includes elasticity adjustment recruitment character wheel and adjustment recruitment character wheel bracing piece, elasticity adjustment recruitment character wheel is established rope saw location I-shaped wheel with between the rope saw I-shaped initiative I-shaped wheel, elasticity adjustment recruitment character wheel with the adjustment recruitment character wheel shaft fixed connection just is passed through to the one end of adjustment recruitment character wheel bracing piece the elasticity adjustment recruitment character wheel can with adjustment recruitment character wheel shaft is axle free rotation, the adjustment recruitment character wheel bracing piece the other end with the rope saw mounting panel is articulated just adjustment recruitment character wheel bracing piece accessible dowel with rope saw mounting panel fixed connection.
According to the gantry tunneling device for rock tunneling, when the number of the rope saw positioning I-shaped wheels is two, the two rope saw positioning I-shaped wheels and the rope saw I-shaped driving I-shaped wheel are assembled in an isosceles triangle structure, and the vertex of the vertex angle of the isosceles triangle is located on the rotating shaft of the rope saw I-shaped driving I-shaped wheel.
Above-mentioned a longmen tunnelling device for rock tunnelling, tightness adjustment uses I-shaped wheel with rope saw location I-shaped wheel with rope saw I-shaped initiative I-shaped wheel is established respectively diamond string bead rope saw relative both sides.
According to the gantry tunneling device for rock tunneling, the distance between the central shaft of the I-shaped wheel for tightness adjustment and the central shaft of the wire saw positioning I-shaped wheel is larger than the distance between the central shaft of the I-shaped wheel for tightness adjustment and the central shaft of the wire saw driving I-shaped wheel.
The gantry tunneling device for rock tunneling further comprises a cooling mechanism, the cooling mechanism is connected with the tunneling mounting frame mechanism, and the coolant outflow end of the cooling mechanism is arranged at the first end of the connecting piece.
According to the gantry tunneling device for rock tunneling, the circular saw for rock cutting is a toothed circular saw, a slag carrying groove is formed between two adjacent sawteeth of the toothed circular saw and comprises a hemispherical groove, a first horn-shaped groove and a second horn-shaped groove, the opening direction of the first horn-shaped groove faces to the axis of the toothed circular saw, and the opening direction of the second horn-shaped groove is far away from the axis of the toothed circular saw; the open end of hemisphere groove with the open end turn-on connection of first loudspeaker form groove, the throat end of first loudspeaker form groove with the throat end turn-on connection of second loudspeaker form groove.
The invention has the following beneficial effects:
1. the invention can be used for integrally cutting the rock in the tunneling direction, thereby obtaining the blocky stone and using the stone for processing products such as carving and the like, improving the utilization rate of the rock and creating extra economic value.
2. The disk saw for cutting the rock cuts the pre-hole into the rock, so that the wire saw positioning I-shaped wheels can conveniently drive the diamond bead wire saw to enter the pre-hole, and the diamond bead wire saw between the two wire saw positioning I-shaped wheels can be pressed on the surface of the rock and cut the rock under the driving of the tunneling driving mechanism, thereby avoiding the trouble of firstly drilling and then blasting, and simultaneously improving the construction safety.
3. The invention adopts the integral rock cutting to facilitate the later-stage finishing of the inner wall of the tunnel, reduces the workload of the later-stage construction of the tunnel and is beneficial to accelerating the progress of the tunneling construction of the tunnel.
4. The invention adopts integral cutting of rocks, reduces the generation amount of broken stones in the tunneling process, reduces the cleaning work of the broken stones and is beneficial to improving the tunneling speed.
5. The portal frame is used as the support frame of the tunneling part, so that the movement and the advance and retreat control of the tunneling part are facilitated, a scaffold or other devices for construction are convenient for constructors to set up a tunnel wall trimming hand stand or other devices by depending on the portal frame, the constructors can conveniently trim the top wall and the side wall of the tunnel simultaneously in the tunnel excavation process, and the integral construction speed of the tunnel is accelerated.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a gantry tunneling apparatus for rock tunneling of the present invention;
fig. 2 is a schematic structural view of a portal frame of the portal tunneling device for rock tunneling of the present invention;
FIG. 3 is a schematic view of an assembly structure of a tunneling part and a lifting part of the gantry tunneling device for rock tunneling according to the present invention;
figure 4 is a schematic structural view of a wire saw positioning wheel member of the portal tunnelling device for rock tunnelling in accordance with the present invention;
fig. 5 is a schematic structural view of a circular saw for rock cutting of the gantry tunneling apparatus for rock tunneling of the present invention.
In the figure, 100-portal frame, 101-first top support member, 102-second top support member, 103-third top support member, 104-fourth top support member, 105-vertical support member, 106-first bottom support member, 107-second bottom support member, 108-third bottom support member, 109-fourth bottom support member, 110-cross rail, 111-longitudinal rail, 112-heavy caster with brake; 200-lifting part, 201-caster; 300-a tunneling part, 301-a tunneling mounting frame mechanism, 302-a tunneling driving mechanism, 303-a wire saw driving spool, 304-a wire saw positioning wheel component and 305-a diamond beaded wire saw; 306-positioning spool support bar, 307-tightness adjustment I-shaped wheel, 308-rope saw mounting plate, 309-support bar positioning pin, 310-adjustment I-shaped wheel support bar, 311-circular saw for rock cutting, 312-connecting piece, 313-left half I-shaped wheel; 314-right half spool, 315-left support bearing, 316-right support bearing, 317-mounting shaft, 318-limiting groove, 319-sawtooth, 320-semispherical groove, 321-first trumpet-shaped groove and 322-second trumpet-shaped groove.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
As shown in fig. 1, the gantry tunneling apparatus for rock tunneling of the present invention includes a gantry 100, an elevating part 200, and a tunneling part 300.
As shown in fig. 2, the gantry 100 includes a top mount mechanism, a bottom mount mechanism, a middle support mechanism, a traveling mechanism, and a guide rail set, the top mount mechanism includes a first top support member 101, a second top support member 102, a third top support member 103, and a fourth top support member 104, and the first top support member 101, the second top support member 102, the third top support member 103, and the fourth top support member 104 are sequentially connected end to end; the bottom mount mechanism comprises a first bottom support member 106, a second bottom support member 107, a third bottom support member 108 and a fourth bottom support member 109, the first bottom support member 106, the second bottom support member 107, the third bottom support member 108 and the fourth bottom support member 109 being connected end to end in sequence; the middle supporting mechanism comprises more than or equal to four vertical supporting members 105, the upper ends of the vertical supporting members 105 are connected with the top mounting frame mechanism, the lower ends of the vertical supporting members 105 are connected with the bottom mounting frame mechanism, and the bottom mounting frame mechanism is arranged above the travelling mechanism and is connected with the travelling mechanism; the guide rail group comprises a transverse guide rail 110 and a longitudinal guide rail 111, a guide groove of the transverse guide rail 110 and a guide groove of the longitudinal guide rail 111 are crossed and conducted, and the transverse guide rail 110 and the longitudinal guide rail 111 are respectively arranged above the bottom mounting frame mechanism and detachably connected with the bottom mounting frame mechanism; the lifting part 200 includes a movable lifting platform; as shown in fig. 3 and 4, the heading part 300 includes a heading driving mechanism 302, a heading mounting frame mechanism 301 and a heading mechanism, the heading mechanism includes a diamond beaded rope saw 305, a circular saw 311 for rock cutting, a rope saw mounting bracket, a rope saw spool and two or more rope saw positioning wheel members 304, the rope saw positioning wheel members 304 include a mounting shaft 317, a left support bearing 315, a right support bearing 316, a connecting member 312, a left half spool 313 and a right half spool 314, the left half spool 313 is sleeved on an outer ring of the left support bearing 315 and is fixedly connected with an outer ring of the left support bearing 315, an inner ring of the left support bearing 315 is sleeved on a left end of the mounting shaft 317 and is fixedly connected with a left end of the mounting shaft 317, the right support bearing 316 is sleeved on a right end of the mounting shaft 317 and the right end of the mounting shaft 317 is fixedly connected with an inner ring of the right support bearing 316, the right half spool 314 is sleeved on the outer ring of the right support bearing 316, the outer ring of the right support bearing 316 is fixedly connected with the right half spool 314, the first end of the connecting piece 312 is fixedly connected with the installation rotating shaft positioned between the left half spool 313 and the right half spool 314, the connecting piece 312 is respectively assembled in a clearance between the left half spool 313 and the right half spool 314, and the left half spool 313 and the right half spool 314 are combined into a rope saw positioning spool with an outer ring provided with a limiting groove 318; the tunneling driving mechanism 302 and the rope saw mounting frame are respectively mounted on the tunneling mounting frame mechanism 301; the wire saw positioning spool is fixedly connected with the wire saw mounting bracket through the connecting piece 312, the wire saw spool driving wheel is mounted on the wire saw mounting bracket, the wire saw spool driving wheel and the wire saw positioning spool are in driving connection through the diamond beaded wire saw 305, the diamond beaded wire saw 305 in contact with the wire saw positioning spool is arranged in a limiting groove 318 of the wire saw positioning spool, and the diamond beaded wire saw 305 in contact with the wire saw driving spool 303 is arranged in a limiting groove 318 of the wire saw driving spool 303; the tunneling driving mechanism 302 is in driving connection with the rope saw driving spool 303; the left side surface of the left half spool 313 is provided with the disk saw 311 for rock cutting and is fixedly connected with the right side surface of the disk saw 311 for rock cutting; the right side surface of the right half spool 314 is provided with the disk saw 311 for rock cutting and is fixedly connected with the left side surface of the disk saw 311 for rock cutting; the tunneling mounting frame mechanism 301 is mounted on the stage of the movable lifting platform, the caster 201 of the movable lifting platform is disposed in the guide groove of the transverse guide rail 110 or the guide groove of the longitudinal guide rail 111, and the movable lifting platform can freely move along the guide groove of the transverse guide rail 110 or the guide groove of the longitudinal guide rail 111 under the driving of the driving mechanism of the lifting part 200 mounted on the gantry 100. The tunneling driving mechanism 302 is a torque motor, and the traveling mechanism is a heavy caster 112 with a brake.
In order to reduce the manufacturing costs of the apparatus of the present invention and facilitate maintenance, in this embodiment, as shown in fig. 3, the wire saw mounting bracket includes a positioning spool support 306 and a wire saw mounting plate 308, the second end of the connector 312 is fixedly connected to the first end of the positioning spool support 306, the second end of the positioning spool support 306 is hinged to the wire saw mounting plate 308 and the positioning spool support 306 is fixedly connected to the wire saw mounting plate 308 via a support pin 309, such that the distance between the two wire saw positioning spools can be adjusted by adjusting the opening angle α between the two positioning spool support 306 depending on the width or height of the rock to be cut, such that the length of the wire saw wire wheel 305 that is positioned between the two wire saw positioning spools and that is further from the wire saw drive spool 303 is adjusted by adjusting the wire saw wire wheel 305 to an insufficient wire tension, and adjusting the wire saw wire.
In order to maintain the stability of the diamond beaded rope saw 305 during the rock cutting process and avoid the service life of the diamond beaded rope saw 305 from being shortened due to the small and large tension on the diamond beaded rope saw 305, in the embodiment, the two rope saw positioning spools and the rope saw driving spool 303 are assembled in an isosceles triangle structure, the vertex of the vertex angle of the isosceles triangle is located on the rotating shaft of the rope saw driving spool 303, and preferably, the two rope saw positioning spools and the rope saw driving spool 303 are assembled in an equilateral triangle structure.
In order to facilitate the position adjustment of the tightness adjusting wheel in the process of starting the rope saw, and avoid the injury of personnel caused by the fact that stone chips generated in the process of cutting rocks splash on the human body, in the embodiment, the distance between the central shaft of the tightness adjusting wheel and the central shaft of the rope saw positioning spool is larger than the distance between the central shaft of the tightness adjusting wheel and the central shaft of the rope saw driving spool 303, so that the distance between people and rocks can be increased, the flying distance of the stone chips is increased, the speed of the stone chips is reduced, the probability of injury of the stone chips to people is reduced, and the construction safety is improved.
In order to ensure the continuity of tunneling construction and avoid structural damage or wear acceleration of the circular saw 311 for rock cutting and the diamond beaded rope saw 305 due to heat, the invention further comprises a cooling mechanism, the cooling mechanism is connected with the tunneling mounting frame mechanism 301, a cooling liquid outflow end of the cooling mechanism is arranged at the first end of the connecting piece 312, and cooling liquid is sprayed onto the diamond beaded rope saw 305 from the cooling liquid outflow end of the cooling mechanism and carried into a groove excavated by the circular saw 311 for rock cutting by the diamond beaded rope saw 305, so that the circular saw 311 for rock cutting is cooled. In this embodiment, the cooling mechanism includes a water pump, an inlet tube and an outlet tube, the inlet end of the inlet tube is in fluid conduction with the outlet end of the tunnel construction water supply pipeline, the outlet end of the inlet tube is in fluid conduction with the inlet end of the water pump, the outlet end of the water pump is in fluid conduction with the inlet end of the outlet tube, and the outlet end of the outlet tube is disposed at the first end of the connecting member 312.
In order to facilitate the rock cutting circular saw 311 to carry away powder and stone chips generated when the rock cutting circular saw 311 cuts rocks, and further facilitate accelerating the progress of the whole tunneling process, in this embodiment, the rock cutting circular saw 311 is a toothed circular saw, as shown in fig. 5, a slag carrying groove is arranged between two adjacent saw teeth 319 of the toothed circular saw, the slag carrying groove includes a hemispherical groove 320, a first horn-shaped groove 321 and a second horn-shaped groove 322, an opening direction of the first horn-shaped groove 321 faces the axis of the toothed circular saw, and an opening direction of the second horn-shaped groove 322 is far away from the axis of the toothed circular saw; the open end of the hemispherical groove 320 is in conductive connection with the open end of the first trumpet-shaped groove 321, and the contracted end of the first trumpet-shaped groove 321 is in conductive connection with the contracted end of the second trumpet-shaped groove 322.
When the tunneling machine is used for tunneling, a construction position and a construction height are marked on a rock face of a mountain body to be tunneled, then the height or the width of a single cutting stone is determined, the portal frame 100 is built on an empty ground in front of the construction position, the tunneling part 300 and the lifting part 200 are installed on the portal frame 100 according to fig. 1, then the lifting part 200 is driven to be close to a rock body to be cut by a manual or other driving device (such as a driving device consisting of a stepping motor, a lead screw and a transmission mechanism), so that the tunneling part 300 is moved to be in front of the rock to be cut, the size of an included angle α between two positioning wire wheel support bars 306 is adjusted according to the height or the width of the single cutting stone, so that the length of the diamond wire saw 305 positioned between the two wire saw positioning wire wheels and far away from the wire saw driving wheel 303 is equal to the height or the width of the single cutting stone body to be cut, then the caster wheel with a brake is locked by a brake so that the two wire saw positioning wire wheels 201 positioned between the two wire saw positioning wire wheels and far away from the wire saw driving wheel 303, so that the tunneling machine 100 does not easily move, and the tunneling machine is switched on the tunneling machine, so that the tunneling wire saw driving wheel 305 and the blasting wire saw driving wheel 303 is switched on the tunneling machine 305 and the tunneling machine 305 is switched on the tunneling machine, so that the tunneling machine 305 is switched on the tunneling machine 305 and the tunneling machine 305 is switched on, so that the tunneling machine 305 and the blasting wire saw driving wire saw 303, so that the tunneling machine 305 is switched on, so that the tunneling machine 305 and the tunneling machine is switched on the tunneling machine 305 and the tunneling machine 303, so that the tunneling machine 305 is switched on, so that the tunneling.
The above examples are given for the purpose of illustrating the invention clearly and not for the purpose of limiting the same, and it will be apparent to those skilled in the art that, in light of the foregoing description, numerous modifications and variations can be made in the form and details of the embodiments of the invention described herein, and it is not intended to be exhaustive or to limit the invention to the precise forms disclosed.
Claims (6)
1. A gantry tunneling device for rock tunneling is characterized by comprising a gantry (100), a lifting part (200) and a tunneling part (300);
the gantry (100) comprises a top mounting frame mechanism, a bottom mounting frame mechanism, a middle supporting mechanism, a traveling mechanism and a guide rail group, the top mounting frame mechanism comprises a first top supporting member (101), a second top supporting member (102), a third top supporting member (103) and a fourth top supporting member (104), and the first top supporting member (101), the second top supporting member (102), the third top supporting member (103) and the fourth top supporting member (104) are sequentially connected end to end; the bottom mount mechanism comprises a first bottom support member (106), a second bottom support member (107), a third bottom support member (108) and a fourth bottom support member (109), the first bottom support member (106), the second bottom support member (107), the third bottom support member (108) and the fourth bottom support member (109) being connected end to end in sequence; the middle supporting mechanism comprises more than or equal to four vertical supporting members (105), the upper ends of the vertical supporting members (105) are connected with the top mounting frame mechanism, the lower ends of the vertical supporting members (105) are connected with the bottom mounting frame mechanism, and the bottom mounting frame mechanism is arranged above the travelling mechanism and connected with the travelling mechanism; the guide rail group comprises a transverse guide rail (110) and a longitudinal guide rail (111), a guide groove of the transverse guide rail (110) and a guide groove of the longitudinal guide rail (111) are crossed and conducted, and the transverse guide rail (110) and the longitudinal guide rail (111) are respectively arranged above the bottom mounting frame mechanism and detachably connected with the bottom mounting frame mechanism;
the lifting part (200) comprises a movable lifting platform;
tunnelling portion (300) is including tunnelling actuating mechanism (302), tunnelling mount frame mechanism (301) and tunnelling mechanism, tunnelling mechanism includes diamond string bead wire saw (305), disc saw (311) for the rock cutting, rope saw installing support, rope saw I-shaped action wheel and is more than or equal to two rope saw locating wheel components (304), rope saw locating wheel component (304) are including installation axle (317), left side support bearing (315), right side support bearing (316), connecting piece (312), half left I-shaped wheel (313) and half right I-shaped wheel (313), half left I-shaped wheel (313) cover on left side support bearing (315) outer lane and with left side support bearing (315) outer lane fixed connection, left side support bearing (315) inner race cover in the left end of installation axle (317) and with the left end fixed connection of installation axle (317), the cover has on the right side support bearing (316) just the right-hand member of installation axle (317) and the right-hand member of installation axle (317) are with the right-hand member The inner ring of the right support bearing (316) is fixedly connected, the right half spool (313) is sleeved on the outer ring of the right support bearing (316), the outer ring of the right support bearing (316) is fixedly connected with the right half spool (313), the first end of the connecting piece (312) is fixedly connected with the mounting shaft positioned between the left half spool (313) and the right half spool (313), the connecting piece (312) is respectively assembled in a clearance between the left half spool (313) and the right half spool (313), and the left half spool (313) and the right half spool (313) are combined into a rope saw positioning spool with an outer ring provided with a limit groove (318); the tunneling driving mechanism (302) and the rope saw mounting frame are respectively mounted on the tunneling mounting frame mechanism (301); the wire saw positioning spool is fixedly connected with the wire saw mounting bracket through the connecting piece (312), the wire saw spool driving wheel is mounted on the wire saw mounting bracket, the wire saw spool driving wheel and the wire saw positioning spool are in driving connection through the diamond beaded wire saw (305), the diamond beaded wire saw (305) in contact with the wire saw positioning spool is arranged in a limiting groove (318) of the wire saw positioning spool, and the diamond beaded wire saw (305) in contact with the wire saw driving spool (303) is arranged in the limiting groove (318) of the wire saw driving spool (303); the tunneling driving mechanism (302) is in driving connection with the rope saw driving spool (303); the left side surface of the left half spool (313) is provided with the circular saw (311) for rock cutting and is fixedly connected with the right side surface of the circular saw (311) for rock cutting; the right side surface of the right half spool (313) is provided with the circular saw (311) for rock cutting and is fixedly connected with the left side surface of the circular saw (311) for rock cutting; the rope saw mounting bracket comprises a positioning spool supporting rod (306) and a rope saw mounting plate (308); the second end of the connecting piece (312) is fixedly connected with the first end of the positioning spool supporting rod (306), the second end of the positioning spool supporting rod (306) is hinged with the rope saw mounting plate (308), and the positioning spool supporting rod (306) can be fixedly connected with the rope saw mounting plate (308) through a supporting rod positioning pin (309); the tunneling mechanism further comprises a rope saw tightness adjusting structure, the rope saw tightness adjusting structure comprises a tightness adjusting I-shaped wheel (307) and an adjusting I-shaped wheel supporting rod (310), the tightness adjusting I-shaped wheel (307) is arranged between the rope saw positioning I-shaped wheel and the rope saw I-shaped driving I-shaped wheel, the tightness adjusting I-shaped wheel (307) is fixedly connected with one end of the adjusting I-shaped wheel supporting rod (310) through an adjusting I-shaped wheel shaft, the tightness adjusting I-shaped wheel (307) can rotate freely by taking the adjusting I-shaped wheel shaft as a shaft, the other end of the adjusting I-shaped wheel supporting rod (310) is hinged to the rope saw mounting plate (308), and the adjusting I-shaped wheel supporting rod (310) can be fixedly connected with the rope saw mounting plate (308) through a positioning pin; when the number of the rope saw positioning spools is two, the two rope saw positioning spools and the rope saw I-shaped driving spool are assembled in an isosceles triangle structure, and the vertex where the vertex angle of the isosceles triangle is located on the rotating shaft of the rope saw I-shaped driving spool; the circular saw (311) for cutting the rock is a toothed circular saw, a slag carrying groove is arranged between two adjacent saw teeth (319) of the toothed circular saw and comprises a hemispherical groove (320), a first horn-shaped groove (321) and a second horn-shaped groove (322), the opening direction of the first horn-shaped groove (321) faces to the axis of the toothed circular saw, and the opening direction of the second horn-shaped groove (322) is far away from the axis of the toothed circular saw; the opening end of the hemispherical groove (320) is in conduction connection with the opening end of the first horn-shaped groove (321), and the reducing end of the first horn-shaped groove (321) is in conduction connection with the reducing end of the second horn-shaped groove (322);
the tunneling installation frame mechanism (301) is installed on an objective table of the movable lifting platform, caster wheels (201) of the movable lifting platform are arranged in guide grooves of the transverse guide rails (110) or guide grooves of the longitudinal guide rails (111), and the movable lifting platform can be installed under the driving of a lifting part (200) driving mechanism on the portal frame (100) and can freely move along the guide grooves of the transverse guide rails (110) or the guide grooves of the longitudinal guide rails (111).
2. A gantry tunnelling device for rock tunnelling as claimed in claim 1, in which the tunnelling drive mechanism (302) is a torque motor.
3. A gantry tunnelling device for rock tunnelling as claimed in claim 2, in which the travelling mechanism is a heavy castor (112) with a brake.
4. A gantry tunnelling device for rock tunnelling as claimed in claim 1, in which the slack adjuster hour wheel (307) is provided on opposite sides of the diamond beaded wire saw (305) to the wire saw positioning spool and the wire saw drive spool.
5. A gantry tunnelling device for rock tunnelling as claimed in claim 1, which is characterised in that the distance between the centre axis of the tightness adjusting hour wheel (307) and the centre axis of the wire saw positioning spool is greater than the distance between the centre axis of the tightness adjusting hour wheel (307) and the centre axis of the wire saw drive spool.
6. A gantry tunneling apparatus for rock tunneling according to claim 1, 4 or 5, characterized in that it further comprises a cooling mechanism connected to the tunneling mount mechanism (301), the cooling mechanism having a coolant outflow end provided on the first end of the connecting member (312).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710098041.2A CN106837355B (en) | 2017-02-23 | 2017-02-23 | Gantry tunneling device for rock tunnel tunneling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710098041.2A CN106837355B (en) | 2017-02-23 | 2017-02-23 | Gantry tunneling device for rock tunnel tunneling |
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| CN106837355B true CN106837355B (en) | 2020-05-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107620596A (en) * | 2017-09-20 | 2018-01-23 | 唐伟 | A kind of rock tunnel driving method |
| CN109664411B (en) * | 2019-02-13 | 2020-12-29 | 安徽理工大学 | Wire saw for cutting underground construction profiles on rock |
| CN112282802B (en) * | 2020-11-11 | 2022-12-09 | 山东文登抽水蓄能有限公司 | Large-span underground cavern explosion-free cutting excavation construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206608174U (en) * | 2017-02-23 | 2017-11-03 | 唐伟 | A kind of gantry tunnel piercing device tunneled for rock tunnel |
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| CN104500075A (en) * | 2014-11-19 | 2015-04-08 | 江苏鼎达建筑新技术有限公司 | Construction method of cutting underground obstacle with wire saw |
| CN204894241U (en) * | 2015-06-29 | 2015-12-23 | 何秤银 | Novel numerical control stone material rope saw |
| CN205466771U (en) * | 2016-01-08 | 2016-08-17 | 陈立文 | Diamond string bead rope saw |
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