CN214330631U - Drilling equipment of tunnel boring machine and tunnel boring machine - Google Patents
Drilling equipment of tunnel boring machine and tunnel boring machine Download PDFInfo
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- CN214330631U CN214330631U CN202022220614.4U CN202022220614U CN214330631U CN 214330631 U CN214330631 U CN 214330631U CN 202022220614 U CN202022220614 U CN 202022220614U CN 214330631 U CN214330631 U CN 214330631U
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- tunnel boring
- cutter head
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Abstract
The utility model discloses a drilling equipment and tunnel boring machine of tunnel boring machine treats excavation rock mass through drilling equipment and drills in advance to the face to produce prefabricated crackle to can realize breaking rock fast, full play the entry driving machine performance, improve tunnelling efficiency, shorten engineering progress and cycle. And when a drilling rod is seriously worn, the first driving motor can drive the turntable to rotate, so that other drilling rods rotate to the positions of the worn drilling rods, the drilling rods are automatically replaced, the tunneling continuity can be ensured, the drilling rods do not need to be manually replaced, and the workload of workers is reduced.
Description
Technical Field
The utility model relates to a hard rock tunnelling technical field, in particular to drilling equipment and tunnel boring machine of tunnel boring machine.
Background
In the process of tunneling construction of geotechnical engineering such as tunnels, roadways, underground chambers and the like, more and more mechanized and automatic equipment are involved, rapid construction can be realized, and the traditional construction mode requiring a large amount of manual group operation is gradually replaced. The tunnel boring machine has the characteristics of high-speed rock cutting, formed slag discharging, integrated supporting and the like, so that the construction speed is high, and the construction process is safe and environment-friendly. In view of this, the tunnel boring machine is adopted for construction in the underground engineering, and the advantages are more and more prominent.
The rock breaking of the existing tunneling machine depends on a cutter head and a cutter, cutter heads with different distributions and sizes are arranged in front of the cutter head, and a rock body to be excavated is generally cut according to the mechanical action principle of the cutter. However, when facing hard rocks with good integrity and high strength, the rock mass cannot be cut quickly only by the aid of mechanical effects of wedges, cutters, pressure and the like of the cutter head, so that the engineering tunneling efficiency is low, and the engineering progress and period are delayed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling equipment and tunnel boring machine of tunnel boring machine to solve current entry driving machine when facing integrality good, the high hard rock of intensity, only rely on the wedge of tool bit, cut, the pressure mechanical action such as can not quick cutting rock mass, lead to the engineering to dig in inefficiency, delay the problem of engineering progress and cycle.
In a first aspect, according to an embodiment of the present invention, there is provided a drilling apparatus for a tunnel boring machine, including an accommodating chamber disposed in a cutter head, the accommodating chamber being provided with a first driving motor and a turntable connected to the first driving motor;
a plurality of drilling units are uniformly distributed on the circumference of the turntable, each drilling unit comprises a second driving motor, a telescopic device and a drill rod, the drill rod is connected with the telescopic device through the second driving motor, the drill rod is arranged along the direction parallel to the axial direction of the cutter head, and the telescopic device can drive the drill rod to stretch along the direction parallel to the axial direction of the cutter head;
the front end of the accommodating cavity is provided with a plug, and a through hole is formed in the plug corresponding to the position of the drill rod of one of the drilling units.
Specifically, the plug is detachably connected with the edge of the accommodating cavity.
Specifically, the shutoff adopts the carbon content to be less than 0.7%, and intensity is higher than 30% of blade disc material intensity, wearability are not less than the material of blade disc material is made.
Specifically, the carbon content of the plugging material is 0.5-0.6%.
Specifically, the telescoping device includes connecting piece, drive shaft and hydraulic pump, the second driving motor pass through the connecting piece with the drive shaft is connected, the hydraulic pump with the drive shaft is connected.
A second aspect, according to the utility model discloses an embodiment provides a tunnel boring machine, including the blade disc, the front end of blade disc is equipped with the tool bit array that a plurality of tool bits are constituteed, adjacent two in every row or every row in the tool bit array be equipped with foretell drilling equipment between the tool bit.
The embodiment of the utility model provides a pair of boring machine's drilling equipment and tunnel boring machine treats excavation rock mass through drilling equipment and drills in advance to the face to produce prefabricated crackle to can realize breaking rock fast, full play the entry driving machine performance, improve tunnelling efficiency, shorten engineering progress and cycle. And when a drilling rod is seriously worn, the first driving motor can drive the turntable to rotate, so that other drilling rods rotate to the positions of the worn drilling rods, the drilling rods are automatically replaced, the tunneling continuity can be ensured, the drilling rods do not need to be manually replaced, and the workload of workers is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural diagram of a drilling device of a tunnel boring machine according to an embodiment of the present invention;
FIG. 2 is a block diagram of a plug;
fig. 3 is a structural diagram of a tunnel boring machine according to an embodiment of the present invention.
The device comprises a receiving cavity 1, a plug 2, a through hole 21, a first driving motor 3, a rotary table 4, a drilling unit 5, a drill rod 51, a second driving motor 52, a telescopic device 53, a connecting piece 531, a driving shaft 532, a hydraulic pump 533, a rock mass to be excavated 6, a rock face 7, a drilling hole 8, a prefabricated crack 9, a cutter head 10, a drilling device 11 and a cutter head 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In a first aspect, according to an embodiment of the present invention, as shown in fig. 1 and fig. 2, there is provided a drilling apparatus for a tunnel boring machine, including an accommodating chamber 1 disposed in a cutter head 10, a first driving motor 3 and a turntable 4 connected to the first driving motor 3 being disposed in the accommodating chamber 1; a plurality of drilling 8 units 5 are uniformly distributed on the circumference of the turntable 4, each drilling 8 unit 5 comprises a second driving motor 52, a telescopic device 53 and a drill rod 51, the drill rod 51 is connected with the telescopic device 53 through the second driving motor 52, the drill rod 51 is arranged along the direction parallel to the axial direction of the cutter head 10, and the telescopic device 53 can drive the drill rod 51 to extend and retract along the direction parallel to the axial direction of the cutter head 10; the front end of the accommodating cavity 1 is provided with a plug 2, and a through hole 21 is arranged on the plug 2 corresponding to the position of the drill rod 51 of one drilling hole 8 unit 5.
The drilling equipment in the embodiment can be applied to a tunnel boring machine, and particularly, the tunnel boring machine comprises a main beam, a driving mechanism, a supporting mechanism, a connecting mechanism and a cutter head 10; the cutter head 10 is connected with the main beam through a connecting mechanism, the driving mechanism is arranged on the supporting mechanism, and the driving mechanism is connected with the main beam; the front end of the cutter head 10 is provided with a cutter head 12 array consisting of a plurality of cutter heads 12, and the drilling equipment of the embodiment is arranged between two adjacent cutter heads 12 in each row or each column in the cutter head 12 array. The plug 2 can prevent dust, particles and the like generated in the tunneling process from entering the accommodating cavity 1.
In the specific tunneling process, a drilling hole 8 is drilled in advance for a rock mass 6 to be excavated on a tunnel face 7 by using a drilling hole 8 unit 5 corresponding to a through hole 21 on a plug 2 to generate a prefabricated crack 9, and then the rock mass generating the prefabricated crack is broken by using a tool bit 12 on a cutter head 10. When the drill rods 51 of the drilling 8 units 5 are seriously worn, the first driving motor 3 can be started to drive the rotary table 4 to rotate, so that the drill rods 51 of other drill rod units 51 rotate to the positions corresponding to the through holes 21, and the drill rods 51 which are seriously worn are replaced to continue the drilling 8 operation.
According to the drilling equipment and the tunnel boring machine of the tunnel boring machine, the rock mass 6 to be excavated is pre-drilled 8 through the drilling equipment, and the prefabricated cracks 9 are generated, so that rapid rock breaking can be realized, the performance of the tunnel boring machine is fully exerted, the boring efficiency is improved, and the project progress and period are shortened. When one drill rod 51 is seriously worn, the first driving motor 3 can drive the rotary table 4 to rotate, so that other drill rods 51 rotate to the positions where the drill rods 51 are worn, automatic replacement of the drill rods 51 is realized, the tunneling continuity can be ensured, manual replacement of the drill rods 51 is not needed, and the workload of workers is reduced.
In the above embodiment, the plug 2 is detachably connected to the edge of the accommodating cavity 1. Specifically, the plug 2 and the edge of the accommodating cavity 1 can be detachably connected through bolts. Set up detachable shutoff 2, can make things convenient for the staff to maintain each part in 8 structures of drilling.
Wherein, the plug 2 is made of a material with the carbon content lower than 0.7 percent, the strength higher than 30 percent of the strength of the material of the cutter head 10 and the abrasive resistance not lower than the material of the cutter head 10. Further, the carbon content of the plugging 2 material is 0.5-0.6%. So that the plug 2 has the advantages of high strength and wear resistance.
In the above embodiment, as shown in fig. 1, the telescopic device 53 includes the connecting member 531, the drive shaft 532, and the hydraulic pump 533, the second drive motor 52 is connected to the drive shaft 532 via the connecting member 531, and the hydraulic pump 533 is connected to the drive shaft 532.
In specific tunnelling in-process, utilize hydraulic pump 533 to drive the extension of drive shaft 532, thereby utilize drive shaft 532 to pass through connecting piece 531 and drive driving motor and drilling rod 51 and begin to stretch forward, until touching the rock mass, this moment, hydraulic pump 533 stops the drive, second driving motor 52 opens and drives drilling rod 51 and rotate simultaneously, after the rotational speed of drilling rod 51 is stable, hydraulic pump 533 drives once more, thereby make pivoted drilling rod 51 continue to stretch forward, this moment, drilling rod 51 begins to carry out drilling 8 operation to the rock mass, when reaching preset depth and producing prefabricated crackle, the telescopic link carries out the back drive, driving motor and drilling rod 51 retreat to initial position simultaneously, hydraulic pump 533 stops the drive simultaneously, and driving motor stop work. When the drill rod 51 of the severely worn drill rod 51 unit needs to be replaced, the first driving motor 3 can be started to drive the rotary table 4 to rotate, so that the drill rods 51 of other drill rod 51 units rotate to the position corresponding to the through hole 21, and the working process is repeated.
In a second aspect, according to the embodiment of the present invention, as shown in fig. 3, there is provided a tunnel boring machine, which includes a cutter head 10, wherein the front end of the cutter head 10 is provided with a cutter head 12 array formed by a plurality of cutter heads 12, and the above-mentioned drilling device 11 is provided between two adjacent cutter heads 12 in each row or each column of the cutter head 12 array.
According to the tunnel boring machine provided by the embodiment, the tunnel face 7 to be excavated is pre-drilled 8 through the drilling equipment, and the prefabricated cracks 9 are generated, so that rapid rock breaking can be realized, the performance of the tunnel boring machine is fully exerted, the boring efficiency is improved, and the project progress and period are shortened. When one drill rod 51 is seriously worn, the first driving motor 3 can drive the rotary table 4 to rotate, so that other drill rods 51 rotate to the positions where the drill rods 51 are worn, automatic replacement of the drill rods 51 is realized, the tunneling continuity can be ensured, manual replacement of the drill rods 51 is not needed, and the workload of workers is reduced.
Drilling equipment embedded into the cutter head 10 is arranged between two adjacent cutter heads 12 in each row or each column in the cutter head 12 array, so that the number of the cutter heads 12 and the drilling equipment can be ensured, the cutter heads 12 and the drilling equipment can be uniformly distributed, and the tunneling effect is further improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (4)
1. The drilling equipment of the tunnel boring machine is characterized by comprising an accommodating cavity (1) arranged on a cutter head (10), wherein a first driving motor (3) and a turntable (4) connected with the first driving motor (3) are arranged in the accommodating cavity (1);
a plurality of drilling units (5) are uniformly distributed on the circumference of the turntable (4), each drilling unit (5) comprises a second driving motor (52), a telescopic device (53) and a drill rod (51), the drill rod (51) is connected with the telescopic device (53) through the second driving motor (52), the drill rod (51) is arranged in a direction parallel to the axial direction of the cutter head (10), and the telescopic device (53) can drive the drill rod (51) to stretch in a direction parallel to the axial direction of the cutter head (10);
the front end of the accommodating cavity (1) is provided with a plug (2), and a through hole (21) is formed in the position, corresponding to the drill rod (51) of one of the drilling units (5), of the plug (2).
2. A tunneling machine drilling device according to claim 1, characterized in that said plug (2) is removably connected to the edge of said housing chamber (1).
3. The tunneling machine drilling apparatus according to claim 1, wherein the telescoping device (53) includes a connection member (531), a drive shaft (532), and a hydraulic pump (533), the second drive motor (52) being connected to the drive shaft (532) through the connection member (531), the hydraulic pump (533) being connected to the drive shaft (532).
4. A tunnel boring machine, comprising a cutter head (10), wherein the front end of the cutter head (10) is provided with a cutter head (12) array consisting of a plurality of cutter heads (12), and drilling equipment (11) according to any one of claims 1 to 3 is arranged between every two adjacent cutter heads (12) in each row or each column in the cutter head (12) array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220614.4U CN214330631U (en) | 2020-09-30 | 2020-09-30 | Drilling equipment of tunnel boring machine and tunnel boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220614.4U CN214330631U (en) | 2020-09-30 | 2020-09-30 | Drilling equipment of tunnel boring machine and tunnel boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214330631U true CN214330631U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022220614.4U Active CN214330631U (en) | 2020-09-30 | 2020-09-30 | Drilling equipment of tunnel boring machine and tunnel boring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214330631U (en) |
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- 2020-09-30 CN CN202022220614.4U patent/CN214330631U/en active Active
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