CN204002821U - A kind of brill for TBM rolls the cutter head structure of combination - Google Patents
A kind of brill for TBM rolls the cutter head structure of combination Download PDFInfo
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- CN204002821U CN204002821U CN201420402325.8U CN201420402325U CN204002821U CN 204002821 U CN204002821 U CN 204002821U CN 201420402325 U CN201420402325 U CN 201420402325U CN 204002821 U CN204002821 U CN 204002821U
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- cutterhead body
- tbm
- cutter
- rock drill
- rock
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Abstract
A kind of brill for TBM rolls the cutter head structure of combination, its scope of operation is outwardly spherical structure, the hobboing cutter group that a plurality of radiuses do not wait is set around cutterhead body center in the scope of operation, each hobboing cutter group comprises a plurality of disk cutters, and between adjacent disk cutter, offer rig operation hole, the rock drill that the side that on cutterhead body, TBM operative orientation is contrary arranges track and slides along track, the drill bit of rock drill can be extended or retracted from described rig operation hole, between described adjacent hobboing cutter group, native stone tap is set, for the native stone being excavated, therefrom discharge, described cutterhead body center is adopted rock drill is set in the same way.The utility model by setting up rock drill on cutterhead body, realize the combination of rig and hobboing cutter, improve efficiency of breaking rock, reduce the moment of torsion of cutterhead body and disk cutter, and by the optimization to the improvement of cutterhead body construction and hobboing cutter arrangement, improve the excavation area of cutterhead.
Description
Technical field
The utility model belongs to breaking technique for rock field, and what relate generally to is for the brill of TBM, to roll the cutter head structure of combination.
Background technology
TBM is full section hard rock tunneling machine, can realize driving, supporting, the operation such as slag tap is also worked continuously, there is driving speed fast, environmental protection, comprehensive benefit is a little high, can realize the construction that traditional drilling and blasting method is difficult to the complicated geographical relief deep-lying long tunnels of realization, under thrust, the disk cutter being arranged on cutterhead presses scar, rotation along with cutterhead, disk cutter when cutterhead central axis revolves round the sun around self axis rotation, in the powerful thrust of cutterhead, under torsional interaction, hobboing cutter rolls on the fixing concentric circles joint-cutting of face, hobboing cutter is pushed down into rock surface in the propelling of power and initial velocity, produce local distortion, at contact site stress, concentrate and produce fracture area, under the continuous action of power, crackle expands, region of stress concentration expanded range, formation fragment comes off, therefore, in order to improve TBM efficiency of breaking rock, will increase the degree of depth and the crack extesion length in cracked district, increase the size of the excavation face carg that comes off.Generally the cutterhead of application is plane structure now, excavation area is little, on cutterhead, disk cutter magnitude setting is few, efficiency of breaking rock is lower, and can only rely on cutterhead and disk cutter rotary cutting, fractured rock, therefore, disk cutter suffered moment of torsion in this process is larger, very easily wearing and tearing, application life is short.
Utility model content
The purpose of this utility model is to provide a kind of cutter head structure for TBM, by set up telescopic drill bit on cutterhead body, realize the combination of drill bit and hobboing cutter, improve efficiency of breaking rock, reduce the moment of torsion of cutterhead body and disk cutter, and by the optimization to the improvement of cutterhead body construction and hobboing cutter arrangement, improve the excavation area of cutterhead.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of brill for TBM rolls the cutter head structure of combination, comprise the cutterhead body being connected with TBM owner body, the rock drill that is arranged on a plurality of disk cutters on cutterhead body and rock mass is carried out to precracking, wherein, described disk cutter is arranged in the scope of operation of cutterhead body, and take cutterhead center and as the center of circle, form the hobboing cutter group of multi-turn different radii, between adjacent two hobboing cutter groups, be uniformly distributed native stone tap, in arbitrary hobboing cutter group, at least one rig operation hole is set between two adjacent disk cutters, a side contrary with TBM operative orientation on cutterhead body arranges rock drill and track, rock drill can slide in orbit, when rock drill outwards slides, its drill bit can stretch out rig operation hole and rock mass be holed broken, now cutterhead body does not rotate, when rock drill inwardly slides, in its drill bit indentation rig operation hole, cutterhead body starts to rotate, the slip of rock drill is controlled by the controlling organization being arranged on TBM.
Further, the center of the described cutterhead body scope of operation arranges center mounting hole, and a plurality of disk cutters connect successively by rotating shaft, and are arranged in center mounting hole.
Further, in order to increase the excavation area of TBM, the scope of operation that can described cutterhead body is set to convex surface or sphere, and according to above-mentioned set-up mode, disk cutter, native stone tap and rock drill etc. is set thereon.
Compared with prior art, the utlity model has following beneficial effect:
First, in the utility model by set up rock drill on cutterhead body, can be before the rotation of cutterhead body and disk cutter cutting rock mass, rock mass is holed, the pre-rock mass surface structure that destroys, to reduce the resistance of disk cutter operation and the moment of torsion of cutterhead body, be conducive to the raising with drivage efficiency that reduces of TBM thrust;
Second, rock drill in the utility model can slide in orbit, in the time of in the drill bit indentation rig operation hole of rock drill, can not affect the rotation of cutterhead body, therefore the rotation of rock drill and cutterhead body does not interfere with each other, and by the pretreatment of rock drill drill bit to rock mass, facilitated the further operation of cutterhead body and disk cutter;
The 3rd, in the utility model, the scope of operation of cutterhead body can adopt convex surface or sphere, compare with plane cutterhead of the prior art, under equivalent diameter condition, the utlity model has larger rock excavation area, therefore, can excavate by the more disk cutter of magnitude setting, there is higher efficiency of breaking rock;
The 4th, in the prior art, rock excavation face is plane, because cutterhead body of the present utility model is convex surface or sphere, therefore when tunnel is dug, the rock excavation of tunnel forms concave surface towards indent, when the crackle of the rock formation of disk cutter squeeze and destroy spreads to surrounding, fragment on concave surface more easily comes off, and especially the fragment at concave surface top is not only subject to the extruding of disk cutter, but also is subject to the impact of self gravitation, be easy to split away off from rock mass, therefore, improve the excavation efficiency of TBM, reduced the thrust of TBM;
The 5th, in the utility model, between adjacent hobboing cutter group, native stone tap is set, in digging process, the native stone being smashed by disk cutter can directly fall to the ground, and also can rearward discharge through native stone tap, to prevent that disk cutter from being stopped up by native stone, reduce the degree of wear of disk cutter, extend its application life, can reduce the rotary resistance of cutterhead body again, reduce mechanical breakdown simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the lateral view of the utility model in embodiment 1.
Fig. 3 is the lateral view of the utility model in embodiment 2.
Reference numeral: 1, cutterhead body, 2, disk cutter, 3, native stone tap, 4, rig operation hole, 5, central hob group, 6, rock drill, 7, track, 8, drill bit.
The specific embodiment
Below in conjunction with accompanying drawing, by specific embodiment, the utility model is further described.
Embodiment 1: as shown in the figure, a kind of brill for TBM rolls the cutter head structure of combination, cutterhead body 1 is arranged on the front end of TBM, its scope of operation is plane structure, the hobboing cutter group that a plurality of radiuses do not wait is set around cutterhead body 1 center in the scope of operation, each hobboing cutter group comprises a plurality of disk cutters 2, and between adjacent disk cutter 2, offer rig operation hole 4, the dorsal part of cutterhead body 1, it is the side that TBM operative orientation is contrary, the rock drill 6 that track 7 is set and slides along track 7, the drill bit 8 of rock drill 6 can be extended or retracted from described rig operation hole 4, between described adjacent hobboing cutter group, native stone tap 3 is set, so that the native stone being excavated is therefrom discharged, described cutterhead body 1 center is adopted rock drill 6 is set in the same way.
In use, first by TBM, controlling rock drill 6 outwards slides along track 7, drill bit 8 is stretched out to rig operation hole 4, and start 6 pairs of rock mass that will excavate of rock drill and carry out pre-treatment job, rock mass is after drill bit 8 effects, there is crackle or fragmentation, come off, then TBM closes rock drill 6 and makes rock drill 6 to sliding along track 7 in the other direction, so that in drill bit 8 indentation rig operation holes 4, start cutterhead body 1 starts to rotate simultaneously, 2 pairs of cutterhead body 1 and disk cutters have occurred that through pretreatment the rock mass of crackle further pushes, cutting, the object of realization to rock excavation driving.
Embodiment 2: as shown in the figure, a kind of brill for TBM rolls the cutter head structure of combination, cutterhead body 1 is arranged on the front end of TBM, its scope of operation is the spherical structure protruding to the operating direction of TBM, vertex position in the scope of operation arranges central hob group 5, described central hob group 5 is connected in sequence by cutter shaft each other by four disk cutters 2, in the scope of operation of cutterhead body 1, take the center of cutterhead body 1 is the center of circle, on the different circumference of radius, a plurality of disk cutters 2 are evenly set respectively, the disk cutter 2 having on same radius circumference forms a hobboing cutter group, native stone tap 3 is evenly set between adjacent hobboing cutter group, in each hobboing cutter group, between two adjacent disk cutters 2, rig operation hole 4 is set, the dorsal part of cutterhead body 1, it is the side that TBM operative orientation is contrary, the rock drill 6 that track 7 is set and slides along track 7, the drill bit 8 of rock drill 6 can be extended or retracted from described rig operation hole 4.
During use, at the TBM work initial stage, the drill bit 8 of described rock drill 6 is positioned at rig operation hole 4, because the scope of operation of cutterhead body 1 is sphere, and rock mass section is plane, therefore, only have the central hob group 5 of cutterhead body 1 to touch rock mass section, by TBM, starting cutterhead body 1 rotates, 5 pairs of rock mass of central hob group of cutterhead body 1 carry out fragmentation, then cutterhead body 1 stops operating under the control of TBM, and control rock drill 6 along track 7 to front slide by TBM, make the drill bit 8 of rock drill 6 stretch out rig operation hole 4, to the rock mass pretreatment of holing, rock mass engenders crackle under the effect of drill bit 8, broken and come off, then TBM closes rock drill 6 and makes rock drill 6 to sliding along track 7 in the other direction, make in drill bit 8 indentation rig operation holes 4, start cutterhead body 1 starts to rotate simultaneously, 2 pairs of cutterhead body 1 and disk cutters have occurred that through pretreatment the rock mass of crackle further pushes, cutting, the object of realization to rock excavation driving.
Claims (5)
1. the brill for TBM rolls the cutter head structure of combination, comprise the cutterhead body (1) being connected with TBM fuselage and be arranged on the disk cutter (2) in cutterhead body (1) scope of operation, it is characterized in that: described disk cutter (2) is provided with a plurality of, and take cutterhead body (1) center and as the center of circle, form radius circular hobboing cutter group not etc., and between the upper adjacent hobboing cutter group of cutterhead body (1), native stone tap (3) is evenly set, rig operation hole (4) is set between adjacent disk cutter (2) in each hobboing cutter group, in the upper side contrary with TBM operative orientation of cutterhead body (1), track (7) and rock drill (6) are set, rock drill (6) slides along track (7), so that the extended or retracted rig operation of drill bit (8) hole (4) of rock drill (6).
2. a kind of brill for TBM according to claim 1 rolls the cutter head structure of combination, it is characterized in that: the scope of operation of described cutterhead body (1) is plane structure.
3. a kind of brill for TBM according to claim 1 rolls the cutter head structure of combination, it is characterized in that: the scope of operation of described cutterhead body (1) is spherical structure.
4. according to a kind of brill for TBM described in claim 2 or 3, roll the cutter head structure of combination, it is characterized in that: the center of described cutterhead body (1) scope of operation arranges central hob group (5), described central hob group (5) is connected successively and is arranged in center mounting hole by cutter shaft by a plurality of disk cutters (2).
5. according to a kind of brill for TBM described in claim 2 or 3, roll the cutter head structure of combination, it is characterized in that: the center of described cutterhead body (1) scope of operation arranges rig operation hole (4), the rock drill (6) that the upper side contrary with TBM operative orientation of cutterhead body (1) arranges track (7) and slide along track (7), so that the extended or retracted rig operation of drill bit (8) hole (4) of rock drill (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402325.8U CN204002821U (en) | 2014-07-21 | 2014-07-21 | A kind of brill for TBM rolls the cutter head structure of combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402325.8U CN204002821U (en) | 2014-07-21 | 2014-07-21 | A kind of brill for TBM rolls the cutter head structure of combination |
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| Publication Number | Publication Date |
|---|---|
| CN204002821U true CN204002821U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420402325.8U Expired - Fee Related CN204002821U (en) | 2014-07-21 | 2014-07-21 | A kind of brill for TBM rolls the cutter head structure of combination |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110262A (en) * | 2014-07-21 | 2014-10-22 | 洛阳理工学院 | Drilling and rolling combination cutter disc structure for TBM (tunnel boring machine) |
| CN104948198A (en) * | 2015-06-17 | 2015-09-30 | 蚌埠市行星工程机械有限公司 | Active telescopic shield cutter mechanism |
| CN107687320A (en) * | 2017-09-15 | 2018-02-13 | 湖南新金刚工程机械有限公司 | A kind of cluster type down-hole hammer |
| 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 |
| CN110427656A (en) * | 2019-07-10 | 2019-11-08 | 清华大学 | Split type TBM cutterhead engaging portion characteristic reduced scale measurement method and system |
| CN112196554A (en) * | 2020-09-30 | 2021-01-08 | 清华大学 | Boring spacing adjustable entry driving device and entry driving machine |
| CN112196558A (en) * | 2020-09-30 | 2021-01-08 | 清华大学 | Tunnel boring machine for underground rock mass engineering |
-
2014
- 2014-07-21 CN CN201420402325.8U patent/CN204002821U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110262A (en) * | 2014-07-21 | 2014-10-22 | 洛阳理工学院 | Drilling and rolling combination cutter disc structure for TBM (tunnel boring machine) |
| CN104948198A (en) * | 2015-06-17 | 2015-09-30 | 蚌埠市行星工程机械有限公司 | Active telescopic shield cutter mechanism |
| CN107687320A (en) * | 2017-09-15 | 2018-02-13 | 湖南新金刚工程机械有限公司 | A kind of cluster type down-hole hammer |
| CN107687320B (en) * | 2017-09-15 | 2024-02-09 | 湖南新金刚工程机械有限公司 | Cluster type down-the-hole hammer |
| 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 |
| CN110427656A (en) * | 2019-07-10 | 2019-11-08 | 清华大学 | Split type TBM cutterhead engaging portion characteristic reduced scale measurement method and system |
| CN112196554A (en) * | 2020-09-30 | 2021-01-08 | 清华大学 | Boring spacing adjustable entry driving device and entry driving machine |
| CN112196558A (en) * | 2020-09-30 | 2021-01-08 | 清华大学 | Tunnel boring machine for underground rock mass engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180721 |