CN112196554A - Boring spacing adjustable entry driving device and entry driving machine - Google Patents
Boring spacing adjustable entry driving device and entry driving machine Download PDFInfo
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- CN112196554A CN112196554A CN202011056908.6A CN202011056908A CN112196554A CN 112196554 A CN112196554 A CN 112196554A CN 202011056908 A CN202011056908 A CN 202011056908A CN 112196554 A CN112196554 A CN 112196554A
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- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000005553 drilling Methods 0.000 claims abstract description 48
- 230000005641 tunneling Effects 0.000 claims abstract description 46
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 7
- 239000010962 carbon steel Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 41
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008602 contraction 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
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1053—Making by using boring or cutting machines for making a slit along the perimeter of the tunnel profile, the remaining core being removed subsequently, e.g. by blasting
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- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a tunneling device with adjustable drilling intervals and a tunneling machine, wherein the tunneling device comprises a cutter head, a plurality of cutter heads, a fixing mechanism and a drilling mechanism, wherein the cutter heads are vertically arranged on the cutter head and are in slidable connection with the cutter head; the fixing mechanism is used for fixing the cutter head sliding on the cutter head so as to adjust the position of the cutter head on the cutter head; the drilling mechanism is arranged on the cutter head and comprises a drill rod which can axially extend and retract on the cutter head. According to the invention, the drilling mechanism is arranged on the cutter head, the drilling of the rock mass to be excavated is pre-fractured through the drilling mechanism, the cutter head is arranged on the cutter head and is in slidable connection with the cutter head, so that the position of the cutter head on the cutter head is adjusted, and finally, the rock mass to be excavated is excavated through the cutter head with the adjusted position of the cutter head, so that the mechanical property of the cutter head can be better exerted, and the aim of efficiently excavating the rock mass to be excavated is fulfilled.
Description
Technical Field
The invention belongs to the technical field of tunneling machines, and particularly relates to a tunneling device with an adjustable drilling distance and a tunneling machine.
Background
The tunneling efficiency of a Tunnel Boring Machine (TBM) depends on the electromechanical liquid performance of the tunneling machine and the physical and mechanical properties of a rock body to be excavated. Under the condition of complete hard rock tunneling (cracks do not develop, the integrity of rock mass is high, and the uniaxial compressive strength of rock is more than 150MPa), the tunneling machine in the prior art has poor adaptability, and can not fully exert the mechanical self performance of the tunneling machine, so that the engineering tunneling efficiency is low, and the engineering progress and period are delayed.
The existing tunneling device for tunneling of the tunneling machine is generally fixedly arranged at the position of a connecting bridge and used for processing abnormal situations in front of a tunnel face, and does not participate in the tunneling and rock breaking process when the tunneling machine normally tunnels. The rock breaking of the tunneling machine depends on the cutter head and the cutter head, the cutter heads with different distribution and sizes are arranged in front of the cutter head, and rock bodies to be excavated are cut according to the mechanical action principle of the cutter heads. However, when facing hard rocks with good integrity and high strength, the rock mass cannot be cut quickly only by the mechanical action of the cutter head such as wedge, cutting, pressure and the like, and the situation that the rock mass is ground into rock powder is often generated, which is an engineering phenomenon caused by the reduction of the excavation speed of the heading machine. When the heading machine faces a rock mass with micro-cracks, the heading performance of the heading machine can be fully exerted, and the rock is easier to break. Therefore, a tunneling device capable of realizing efficient rock breaking under tunneling working conditions of different hard rock situations is urgently needed to be researched.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the tunneling device with the adjustable drilling distance and the tunneling machine, wherein the tunneling device can enable the tunneling machine to perform efficient tunneling work under the working condition of hard rock with good integrity and high strength.
The invention provides a tunneling device with adjustable drilling distance on one hand, which comprises:
a cutter head;
the cutter heads are vertically arranged on the cutter head and are in slidable connection with the cutter head;
the fixing mechanism is used for fixing the cutter head sliding on the cutter head so as to adjust the position of the cutter head on the cutter head;
and the drilling mechanism is arranged on the cutter head and comprises a drill rod which can axially stretch out and draw back on the cutter head.
Further, the drilling mechanism further comprises:
the drill rod connecting piece is arranged at one end of the drill rod, which is far away from the free end;
and the driving assembly comprises a rotary driving shaft connected with the drill rod connecting piece and a horizontal driving piece for driving the drill rod to axially move.
Further, the horizontal driving member is a hydraulic pump; the driving assembly further comprises a servo motor for driving the driving shaft to rotate, and the servo motor is used for driving the drill rod to rotate axially.
Further, still be equipped with the shutoff component on the drilling mechanism, the shutoff component is made by high strength carbon steel material, just high strength carbon steel material's carbon content is less than 0.7%, intensity is higher than more than 30% of blade disc intensity.
Further, the tool bit pass through slide mechanism with blade disc sliding connection, slide mechanism includes:
the first chute assembly comprises a plurality of first chutes arranged on the cutter head;
the first sliding blocks are arranged on the cutter head and are in sliding connection with the first sliding grooves, and one first sliding groove is in sliding connection with at least two first sliding blocks;
and the sliding driving assembly is arranged on the first sliding block and used for driving the first sliding block to move on the first sliding groove.
Furthermore, it is a plurality of first spout is followed respectively the diameter setting of blade disc, slide actuating mechanism is including establishing on the blade disc and near the first lead screw that first spout set up, the piston rod of first lead screw with first slider is connected.
Further, the fixing mechanism includes:
the first sawtooth is arranged on the first sliding block;
the two moving plates are arranged on the cutter head and are respectively positioned on two sides of the first sliding groove;
the second sawtooth is arranged on one side of the moving plate close to the first sliding block, and the second sawtooth and the first sawtooth can be connected in a matched mode through the sawtooth;
and the pushing assembly is connected with the moving plate and the cutter head respectively and used for pushing the moving plate to move in an opposite direction or in an opposite direction so as to control the second sawteeth on the moving plate to be fixed or separated from the first sawteeth on the first sliding block.
Further, the pushing assembly comprises:
the second sliding chutes are arranged on two sides of the first sliding chute and are perpendicular to the first sliding chute;
the second sliding blocks are arranged at two ends of the moving plate and can be in sliding connection with the second sliding grooves;
and the second lead screw is close to the first chute and arranged on the cutter head, a piston rod of the second lead screw is connected with the moving plate, and the second lead screw is used for pushing the moving plate to move along the width direction of the first chute.
Furthermore, the number of drilling mechanisms on the tunneling device is at least two, and the drill rods on the drilling mechanisms are arranged in parallel with the cutter head.
In another aspect, the invention provides a heading machine comprising a heading device with an adjustable drilling spacing as described above.
According to the tunneling device and the tunneling machine with the adjustable drilling intervals, the drilling mechanism is arranged on the cutter head, so that the drill rod on the drilling mechanism extends out from one side, close to the tunnel face, of the cutter head and drills into a rock mass to be excavated, and the pre-fracture of the drilled hole of the rock mass to be excavated is completed; after the pre-breaking of the drilling of the rock mass to be excavated is completed, a drill rod on the drilling mechanism retracts towards the cutter head, the cutter head is arranged on the cutter head and is in slidable connection with the cutter head, the cutter head is adjusted to a preset position and then fixed on the cutter head through the fixing mechanism, so that the position of the cutter head on the cutter head is adjusted, finally, the rock mass to be excavated is excavated through the cutter head with the adjusted position of the cutter head, the mechanical performance of the cutter head can be better exerted, and the aim of efficiently excavating the rock mass to be excavated is fulfilled. In a word, the tunneling device of the tunneling device provided by the invention can effectively provide the tunneling speed of the rock mass to be excavated of the tunneling machine while the tunneling machine can efficiently tunnel under the working condition of hard rock with good integrity and high strength.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a boring device with an adjustable drilling distance according to an exemplary embodiment of the present invention;
FIG. 2 is a schematic diagram of a drilling mechanism provided in an exemplary embodiment of the present invention;
fig. 3 is a schematic structural view of a sliding mechanism provided in an exemplary embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fixing mechanism according to an exemplary embodiment of the present invention.
In the figure:
1-a cutter head;
2-a cutter head;
3-a fixing mechanism, 301-a first sawtooth, 302-a moving plate, 303-a second sawtooth, 304-a second chute, 305-a second sliding block and 306-a second lead screw;
4-drilling mechanism, 401-drill rod, 402-drill rod connection, 403-rotary drive shaft, 404-horizontal drive, 405-plugging element;
5-rock mass to be excavated;
6-palm surface;
7-prefabricating cracks;
8-a sliding mechanism, 801-a first sliding block, 802-a first sliding groove, 803-a first lead screw;
9-drilling;
10-tunnel profile.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to the tunneling device with the adjustable drilling distance, provided by the first aspect of the invention, referring to fig. 1, the tunneling device comprises a cutter head 1, a plurality of cutter heads 2, a fixing mechanism 3 and a drilling mechanism 4, wherein the cutter heads 2 are vertically arranged on the cutter head 1 and are in slidable connection with the cutter head 1; the fixing mechanism 3 is used for fixing the cutter head 2 sliding on the cutter head 1 so as to adjust the position of the cutter head 2 on the cutter head 1; the drilling mechanism 4 is arranged on the cutter head 1, and the drilling mechanism 4 comprises a drill rod 401 which can axially extend and retract on the cutter head 1.
Before the tunneling device tunnels, the tunneling device is placed in a tunnel profile 10, the drilling mechanism 4 is arranged on the cutter head 1, so that a drill rod 401 on the drilling mechanism 4 extends out of one side of the cutter head 1 close to a tunnel face 6 and drills into a rock mass 5 to be excavated, and the pre-fracture of a drilled hole of the rock mass 5 to be excavated is completed; and after the pre-breaking of the drilling of the rock mass 5 to be excavated is completed, the drill rod 401 on the drilling mechanism 4 is retracted into the cutter head 1, and the rock mass 5 to be excavated is tunneled through the cutter head 2 on the cutter head 1. Because, when the physical and mechanical properties of the rock mass 5 to be excavated are different, such as density and rock strength, the structural plane occurrence and corresponding strength, and the environment where the rock mass 5 to be excavated is located are different, including ground stress and hydrothermal conditions, the gap between the pre-fractured fractures to be excavated and the gap between the cutter heads 2 need to be adjusted correspondingly, therefore, the cutter heads 2 are arranged on the cutter head 1 and slidably connected with the cutter head 1, and after the cutter heads 2 are adjusted to a preset position, the cutter heads 2 sliding on the cutter head 1 are fixed on the cutter head 1 through the fixing mechanism 3, so as to complete the position adjustment of the cutter heads 2 on the cutter head 1. Therefore, the tunneling device provided by the invention implements the prefabricated crack 7 on the rock mass 5 to be excavated through the drilling mechanism 4, adjusts the position of the cutter head 2 on the cutter head 1 according to the crack space of the prefabricated crack 7 and the space of the cutter head 2 on the cutter head 1, and then performs tunneling, so that the mechanical performance of the cutter head 2 is better exerted, and the aim of efficiently tunneling the rock mass 5 to be excavated is achieved.
As a preferred embodiment, referring to fig. 2, the drilling mechanism 4 further comprises a drill rod connector 402 and a drive assembly, the drill rod connector 402 being provided at an end of the drill rod 401 remote from the free end; the drive assembly includes a rotary drive shaft 403 connected to drill pipe coupling 402, and a horizontal drive 404 for moving drill pipe 401 axially. In the embodiment, the drill rod 401 is driven by the horizontal driving member 404 to axially move so as to extend and retract the drill rod 401 on one side of the cutter head 1 close to the tunnel face 6, and therefore, in the tunneling process of the tunneling machine, the drill rod 401 is driven by the horizontal driving member 404 to retract into the cutter head 1 so as to enable the drill rod 401 to be far away from the rock mass 5 to be excavated, and when a hole needs to be drilled and pre-fractured before tunneling of the tunneling machine, the drill rod 401 is driven by the horizontal driving member 404 to extend out of the cutter head 1 close to the tunnel face 6 so as to enable the rock mass 5 to be excavated to be pre-fractured, a drill hole 7 is formed in the rock mass 5 to be excavated, and when the drill rod 401 extends out of the cutter head 1 and close to the tunnel face 6, the driving shaft 403 is rotated to drive the drill rod. Preferably, in the present embodiment, in order to facilitate the arrangement of the drilling mechanism 4 on the cutter head 1, the length dimension of the drilling mechanism 4 is preferably less than 0.8 m, and the width dimension is preferably less than 0.3 m.
As a preferred embodiment, the horizontal drive 404 is a hydraulic pump; the drive assembly further comprises a servo motor coupled to the rotary drive shaft 403 for rotating the drill rod 401 axially. In this embodiment, the horizontal driving member 404 is preferably a hydraulic pump, and the drill rod 401 connected to the drill rod connector 402 can be driven by the hydraulic pump to move in the horizontal direction, so as to extend and retract the drill rod 401 on the cutter head 1.
As another preferred embodiment, the drilling mechanism 4 is further provided with a blocking element 405, and the blocking element 405 is made of a high-strength carbon steel material, and the carbon content of the high-strength carbon steel material is less than 0.7%, and the strength of the high-strength carbon steel material is more than 30% higher than that of the cutter head 1. In the present exemplary embodiment, the blocking element 405 is arranged on the side of the drilling means 4 which is adjacent to the tunnel face 6.
As another preferred embodiment, referring to fig. 3, the cutter head 2 is slidably connected to the cutter head 1 through a sliding mechanism 8, the sliding mechanism 8 includes a first chute assembly, a first slide block 801 and a sliding drive assembly, the first chute assembly includes a plurality of first chutes 802 provided on the cutter head 1; the first sliding block 801 is arranged on the tool bit 2 and is in sliding connection with the first sliding groove 802, and the first sliding groove 802 is in sliding connection with at least two first sliding blocks 801; the sliding driving assembly is disposed on the first sliding block 801 and is used for driving the first sliding block 801 to move on the first sliding groove 802. In the present embodiment, the cutter head 1 is provided with the plurality of first chutes 802, so that the plurality of cutter heads 2 can slide on the first chutes 802 via the first slide blocks 801, thereby facilitating adjustment of the distance between two adjacent cutter heads 2. Preferably, the first slide block 801 is provided with a position sensor, and the position sensor is used for detecting the position of the cutter head 2 on the first slide block 801 on the cutter disc 1 so as to adjust the position of the cutter head 2 on the cutter disc 1.
As another preferred embodiment, a plurality of first sliding grooves 802 are respectively disposed along the diameter of the cutter head 1, the slide driving mechanism includes a first lead screw 803 disposed on the cutter head 1 and adjacent to the first sliding grooves 802, and a piston rod of the first lead screw 803 is connected to the first slider 801. In the present embodiment, by providing the plurality of first chutes 802 along the diameter of the cutter head 1, the plurality of cutters 2 provided on the first chutes 802 are distributed on the cutter head 1; the slide driving mechanism is preferably a first lead screw 803, the sliding position of the first slider 801 on the first slide groove 802 can be controlled by controlling the length of extension and contraction of a piston rod of the first lead screw 803, and the first slider 801 can be fixed to the first slide groove 802 by stopping the movement of the piston rod on the first lead screw 803 after the tool bit 2 has moved to a predetermined position, so that the first lead screw 803 not only provides power for the sliding of the first slider 801, but also fixes the first slider 801 to the first slide groove 802.
Further, referring to fig. 4, the fixing mechanism 3 includes a first saw 301, two moving plates 302, a second saw 303 and a pushing assembly, the first saw 301 is disposed on the first slider 801; the two moving plates 302 are arranged on the cutter head 1 and are respectively positioned at two sides of the first sliding chute 802; the second sawtooth 303 is arranged on one side of the moving plate 302 close to the first slide block 801, and the second sawtooth 303 and the first sawtooth 301 can be connected in a matched mode through the sawtooth; the pushing assembly is respectively connected with the moving plate 302 and the cutter head 1 and used for pushing the two moving plates 302 to move towards or away from each other so as to control the second saw teeth 303 on the moving plates 302 to be fixed or separated from the first saw teeth 301 on the first sliding blocks 801. In this embodiment, when the position of the tool bit 2 on the tool rest 1 is adjusted, the two moving plates 302 move back and forth under the driving of the pushing assembly, so that the first sliding block 801 smoothly slides on the first sliding groove 802; after the position of the tool bit 2 on the tool disc 1 is adjusted, the two moving plates 302 move towards each other under the driving of the pushing assembly, and the second saw teeth 303 on the moving plates 302 are meshed with the first saw teeth 301 on the first sliding blocks 801, so that the moving plates 302 and the first sliding blocks 801 are fixedly connected.
The pushing assembly comprises a second sliding chute 304, a second sliding block 305 and a second lead screw 306, wherein the second sliding chute 304 is arranged on two sides of the first sliding chute 802 and is perpendicular to the first sliding chute 802; the second sliding blocks 305 are arranged at two ends of the moving plate 302 and can be in sliding connection with the second sliding grooves 304; the second lead screw 306 is disposed on the cutter head 1 near the first sliding slot 802, a piston rod of the second lead screw 306 is connected to the moving plate 302, and the second lead screw 306 is used for pushing the moving plate 302 to move along the width direction of the first sliding slot 802. In the present embodiment, the second slide groove 304 is provided in the cutter head 1, and the second slider 305 slidably connected to the second slide groove 304 is provided at both ends of the moving plate 302, so that the moving plate 302 can move in the width direction of the first slide groove 802 by the cooperation of the second slide groove 304 and the second slider 305; and then the second lead screw 306 is used as a driving component for pushing the moving plate 302, so that the moving plate 302 slides and is fixed on the cutter head 1.
In a further preferred embodiment, the number of the boring device 4 is at least two, and the drill rod 401 of the boring device 4 is arranged parallel to the cutter head 2. In the embodiment, the drill rod 401 on the drilling mechanism 4 is arranged in parallel with the tool bit 2, so that after the drilling mechanism 4 drills the rock mass 5 to be excavated, the tool bit 2 can conveniently dig the prefabricated crack 7 on the rock mass 5 to be excavated.
In a second aspect the invention provides a heading machine comprising a heading device as described above with adjustable borehole spacing.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A boring device with adjustable borehole spacing, comprising:
a cutter head (1);
the cutter head (2) is vertically arranged on the cutter head (1) and is in slidable connection with the cutter head (1);
the fixing mechanism (3) is used for fixing the cutter head (2) sliding on the cutter head (1) so as to adjust the position of the cutter head (2) on the cutter head (1);
drilling mechanism (4), establish on blade disc (1), include but axial telescopic drilling rod (401) on blade disc (1).
2. A boring pitch adjustable ripper apparatus according to claim 1, wherein the boring mechanism (4) further includes:
the drill rod connecting piece (402) is arranged at one end, far away from the free end, of the drill rod (401);
and the driving assembly comprises a rotary driving shaft (403) connected with the drill rod connecting piece (402) and a horizontal driving piece (404) used for driving the drill rod (401) to move axially.
3. A ripper apparatus with adjustable drill hole spacing according to claim 2, wherein the horizontal drive (404) is a hydraulic pump; the driving assembly further comprises a servo motor which is connected with the rotary driving shaft (403) and is used for driving the drill rod (401) to axially rotate.
4. A tunnelling device with adjustable drilling interval according to claim 2, which is characterized in that the drilling mechanism (4) is further provided with a blocking element (405), the blocking element (405) is made of high strength carbon steel material, and the carbon content of the high strength carbon steel material is lower than 0.7%, and the strength is higher than more than 30% of the strength of the cutterhead (1).
5. A boring device according to claim 1, wherein the cutter head (2) is slidably connected to the cutter head (1) by a sliding mechanism (8), the sliding mechanism (8) comprising:
the first chute assembly comprises a plurality of first chutes (802) arranged on the cutter head (1);
the first sliding blocks (801) are arranged on the cutter head (2) and are in sliding connection with the first sliding grooves (802), and the first sliding grooves (802) are in sliding connection with at least two first sliding blocks (801);
and the sliding driving assembly is arranged on the first sliding block (801) and is used for driving the first sliding block (801) to move on the first sliding groove (802).
6. The tunneling device with adjustable drilling spacing according to claim 5, wherein a plurality of first sliding chutes (802) are respectively disposed along the diameter of the cutterhead (1), the sliding driving mechanism comprises a first lead screw (803) disposed on the cutterhead (1) and adjacent to the first sliding chute (802), and a piston rod of the first lead screw (803) is connected to the first sliding block (801).
7. A tunnelling device with adjustable drill hole spacing as claimed in claim 6, which is characterised in that the securing mechanism (3) comprises:
a first saw tooth (301) provided on the first slider (801);
the two moving plates (302) are arranged on the cutter head (1) and are respectively positioned on two sides of the first sliding groove (802);
the second sawtooth (303) is arranged on one side, close to the first sliding block (801), of the moving plate (302), and the second sawtooth (303) is connected with the first sawtooth (301) in a sawtooth fit mode;
the pushing assembly is connected with the moving plate (302) and the cutter head (1) respectively and used for pushing the moving plate (302) to move in the opposite direction or in the opposite direction so as to control the fixing or separation of the second saw teeth (303) on the moving plate (302) and the first saw teeth (301) on the first sliding block (801).
8. A boring device according to claim 6, wherein the push assembly comprises:
the second sliding chute (304) is arranged on two sides of the first sliding chute (802) and is perpendicular to the first sliding chute (802);
the second sliding blocks (305) are arranged at two ends of the moving plate (302) and can be in sliding connection with the second sliding grooves (304);
the second lead screw (306) is close to the first sliding groove (802) and is arranged on the cutter head (1), a piston rod of the second lead screw (306) is connected with the moving plate (302), and the second lead screw (306) is used for pushing the moving plate (302) to move along the width direction of the first sliding groove (802).
9. A heading device according to claim 1, wherein there are at least two drilling mechanisms (4) on the heading device, the drill rods (401) on the drilling mechanisms (4) being arranged parallel to the cutter head (2).
10. A heading machine comprising a heading device according to any one of claims 1 to 9 having an adjustable drilling spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056908.6A CN112196554B (en) | 2020-09-30 | 2020-09-30 | Tunneling device with adjustable drilling spacing and tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056908.6A CN112196554B (en) | 2020-09-30 | 2020-09-30 | Tunneling device with adjustable drilling spacing and tunneling machine |
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| Publication Number | Publication Date |
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| CN112196554A true CN112196554A (en) | 2021-01-08 |
| CN112196554B CN112196554B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011056908.6A Active CN112196554B (en) | 2020-09-30 | 2020-09-30 | Tunneling device with adjustable drilling spacing and tunneling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810117A (en) * | 2022-04-26 | 2022-07-29 | 中南大学 | Hard rock TBM based on hole array induced cracking modification, cutter head and tunneling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004027523A (en) * | 2002-06-21 | 2004-01-29 | Kawasaki Heavy Ind Ltd | Cutter bit movable shield machine |
| CN204002821U (en) * | 2014-07-21 | 2014-12-10 | 洛阳理工学院 | A kind of brill for TBM rolls the cutter head structure of combination |
| CN108590688A (en) * | 2018-04-19 | 2018-09-28 | 中国矿业大学(北京) | A kind of TBM development machines and its tunneling construction method with hydraulic drill rig |
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| CN109973108A (en) * | 2019-03-17 | 2019-07-05 | 天津大学 | A kind of adjustable TBM cutterhead of hobboing cutter radial position |
| CN110905546A (en) * | 2019-12-11 | 2020-03-24 | 长安大学 | Hob layout adjustable cutter head for full-face rock tunnel boring machine and operation method of hob layout adjustable cutter head |
| CN214577025U (en) * | 2020-09-30 | 2021-11-02 | 清华大学 | Boring spacing adjustable entry driving device and entry driving machine |
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| CN204002821U (en) * | 2014-07-21 | 2014-12-10 | 洛阳理工学院 | A kind of brill for TBM rolls the cutter head structure of combination |
| CN108590688A (en) * | 2018-04-19 | 2018-09-28 | 中国矿业大学(北京) | A kind of TBM development machines and its tunneling construction method with hydraulic drill rig |
| CN109139032A (en) * | 2018-10-29 | 2019-01-04 | 中铁工程装备集团有限公司 | One kind being suitable for super-large diameter hard rock mole cutterhead |
| CN109973108A (en) * | 2019-03-17 | 2019-07-05 | 天津大学 | A kind of adjustable TBM cutterhead of hobboing cutter radial position |
| CN110905546A (en) * | 2019-12-11 | 2020-03-24 | 长安大学 | Hob layout adjustable cutter head for full-face rock tunnel boring machine and operation method of hob layout adjustable cutter head |
| CN214577025U (en) * | 2020-09-30 | 2021-11-02 | 清华大学 | Boring spacing adjustable entry driving device and entry driving machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114810117A (en) * | 2022-04-26 | 2022-07-29 | 中南大学 | Hard rock TBM based on hole array induced cracking modification, cutter head and tunneling method thereof |
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|---|---|
| CN112196554B (en) | 2024-07-23 |
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