CN209557002U - Cutter head of shield machine with down-the-hold drill bit - Google Patents
Cutter head of shield machine with down-the-hold drill bit Download PDFInfo
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- CN209557002U CN209557002U CN201920118183.5U CN201920118183U CN209557002U CN 209557002 U CN209557002 U CN 209557002U CN 201920118183 U CN201920118183 U CN 201920118183U CN 209557002 U CN209557002 U CN 209557002U
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- drill bit
- cutterhead
- hold drill
- shield machine
- cutter head
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Abstract
The utility model belongs to shield machine technical field, disclose a kind of cutter head of shield machine with down-the-hold drill bit, including cutterhead, down-the-hold drill bit, blade row and for driving down-the-hold drill bit motor, the blade row setting is additionally provided with the support with main drive connection on cutterhead side, another side periphery of cutterhead, is provided with through-hole on the cutterhead, the down-the-hold drill bit passes through through-hole, the motor is arranged on cutterhead, and the motor is arranged far from blade row side, is additionally provided with scum hole on the cutterhead.By the way that down-the-hold drill bit is arranged on cutterhead, rock stratum is crushed in advance by using down-the-hold drill bit, to improve driving speed, while reducing the abrasion of cutter head and blade row.
Description
Technical field
The utility model relates to shield machine technical fields, and in particular to a kind of cutter head of shield machine with down-the-hold drill bit.
Background technique
Shield machine appearance has nearly 180 years history so far, starts from Britain, is developed in Japan, Germany.In the past 30 years,
By to key technology earth pressure balanced, in slurry type shield machine, such as effective sealing of shield machine, it is ensured that excavation face it is steady
Determine, control surface uplift and be collapsed upon within prescribed limit, cutting-tool's used life and the cutter changing under air-proof condition,
It the exploration of processing technique to for example high hydraulic condition of some severe geology etc. and researchs and solves, has shield machine cracking
Development.
With shield machine carry out tunnel construction with high degree of automation, save manpower, speed of application fast, a cavitation, no
Climate can control surface subsidence, reduces the influence to above ground structure and not influence water when excavating under water when influencing, excavating
The features such as face traffic, tunnel line is longer, in the biggish situation of buried depth, with shield machine construction more economical rationality.Shield machine
Basic functional principle be exactly that the steel component an of cylindrical body excavates soil when pushing ahead along canal axes.
Shell, that is, shield of the cylinder component, it plays the work of temporary support to the also unlined Tunnel Section excavated
With, the pressure of receiving surrounding soil layer, sometimes outside also subject to ground water pressure and by underground water gear.Excavation, casting, lining cutting etc.
Operation carries out under the shielding of shield.
Cutterhead is the core component of shield machine, and existing cutterhead still has some problems, since cutter head and rock stratum squeeze
Pressure, friction force are larger, lead to cutter head serious wear；And the cutting to some hard layers, lead to blade row quick abrasion.
Utility model content
In view of this, problem to be solved in the utility model is to provide a kind of cutterhead with down-the-hold drill bit, the cutterhead is used
Shield machine driving speed can be improved, the abrasion of cutterhead and blade row is reduced.
The utility model solves a kind of above-mentioned technical problem: band down-the-hole provided by the utility model by following technological means
The cutter head of shield machine of drill bit, including cutterhead, down-the-hold drill bit, blade row and for driving down-the-hold drill bit motor, the blade row setting exists
Cutterhead side is additionally provided with the support with main drive connection on another side periphery of cutterhead, is provided with through-hole on the cutterhead,
The down-the-hold drill bit passes through through-hole, and the motor is arranged on cutterhead, and the motor is arranged far from blade row side, the cutterhead
On be additionally provided with scum hole.
Further, the down-the-hold drill bit is provided with multiple, and the down-the-hold drill bit is along cutter radius by the outer circle towards cutterhead
The heart is arranged successively and the diameter of down-the-hold drill bit is descending.
Further, the overhang of the down-the-hold drill bit is 150 ~ 180 millimeters.
Further, mud guard is additionally provided on the motor.
Further, the blade row includes scraper and side knife, and the scraper is mounted on cutter head, and the side knife is mounted on knife
The inclination angle that the disk of the edge of disk body, the side knife and cutter head is formed is 70 degree ~ 80 degree.
Further, the overhang of the scraper is 120 ~ 140 millimeters.
As shown from the above technical solution, the utility model has the beneficial effects that a kind of band hidden hole drilling provided by the utility model
The cutter head of shield machine of head, including cutterhead, down-the-hold drill bit, blade row and for driving down-the-hold drill bit motor, the blade row is arranged in knife
Disk side is additionally provided with the support with main drive connection on another side periphery of cutterhead, is provided with through-hole on the cutterhead, institute
Down-the-hold drill bit is stated across through-hole, the motor is arranged on cutterhead, and the motor is arranged far from blade row side, on the cutterhead
It is additionally provided with scum hole.By the way that down-the-hold drill bit is arranged on cutterhead, rock stratum is crushed in advance by using down-the-hold drill bit, from
And driving speed is improved, while reducing the abrasion of cutter head and blade row.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the main view of the cutter head of shield machine provided by the utility model with down-the-hold drill bit；
Fig. 2 is the side view of the cutter head of shield machine provided by the utility model with down-the-hold drill bit.
Appended drawing reference:
1- cutterhead；2- down-the-hold drill bit；3- motor；4- blade row；5- support；
11- scum hole；The side 41- knife；42- scraper.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
Please refer to Fig. 1 to Fig. 2, a kind of cutter head of shield machine with down-the-hold drill bit provided by the utility model, including cutterhead 1,
Down-the-hold drill bit 2, blade row 4 and for driving 2 motor 3 of down-the-hold drill bit, in 1 side of cutterhead, the cutterhead 1 is another for the setting of blade row 4
It is additionally provided with the support 5 with main drive connection on one side periphery, through-hole is provided on the cutterhead 1, the down-the-hold drill bit 2 passes through
Through-hole, the motor 3 are arranged on cutterhead 1, and the motor 3 is arranged far from 4 side of blade row, is additionally provided on the cutterhead 1
Scum hole 11.Down-the-hold drill bit 2 is set on cutterhead 1, rock stratum is crushed in advance by using down-the-hold drill bit 2, to improve
Driving speed, while reducing the abrasion of cutterhead 1 body and blade row 4.Cutterhead 1 is mounted in main driving by support, passes through main driving
Drive cutterhead rotation.
As further improvement to above-mentioned technical proposal, the down-the-hold drill bit 2 is provided with multiple, the down-the-hold drill bit 2
It is arranged successively along 1 radius of cutterhead by the outer center of circle towards cutterhead 1 and the diameter of down-the-hold drill bit 2 is descending.It is arranged multiple and different
The down-the-hold drill bit 2 of diameter reinforces its broken speed to rock stratum and broken area, further increases driving speed, reduces simultaneously
The abrasion of cutterhead 1 body and blade row 4.Preferably, it sets two rows of for down-the-hold drill bit 2, is separately positioned on two rows of down-the-hold drill bits 2 and sets
It sets and is staggered on the different radii of cutterhead 1, further increase the cut coverage of down-the-hold drill bit 2, increase the driving speed of cutterhead 1
Degree reduces the abrasion of cutterhead 1 body and blade row 4.
As further improvement to above-mentioned technical proposal, the overhang of the down-the-hold drill bit 2 is 150 ~ 180 millimeters.It is latent
Drill 2 stretches out 1 certain distance of cutterhead and down-the-hold drill bit 2 preferentially cuts rock stratum, reduces the mill of cutterhead 1 and blade row 4
Damage.
As further improvement to above-mentioned technical proposal, mud guard is additionally provided on the motor 3.It is anti-that mud guard is set
Only dregs falls to damage motor 3 on motor 3.
As further improvement to above-mentioned technical proposal, the blade row 4 includes scraper 42 and side knife 41, the scraper 42
It is mounted on 1 body of cutterhead, the side knife 41 is mounted on the edge of 1 body of cutterhead, the side knife 41 and the disk formation of 1 body of cutterhead
Inclination angle is 70 degree ~ 80 degree.Side knife 41 and 1 body of cutterhead are formed into an inclination angle, side knife 41 acts on the power of soil layer or rock stratum
Direction be it is slanting, it is easier to the soil layer of marginal position or rock stratum are broken.Reduce the effect of rock-soil layer opposite side knife 41 simultaneously
Power.
As further improvement to above-mentioned technical proposal, the overhang of the scraper 42 is 120 ~ 140 millimeters.Scraper 42
Overhang be less than down-the-hold drill bit 2 overhang make down-the-hole down-the-hold drill bit 2 preferentially to rock stratum cut then scraper 42 it is right
Rock stratum cutting, is further reduced the abrasion of cutterhead 1 and scraper 42.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (6)
1. a kind of cutter head of shield machine with down-the-hold drill bit, it is characterised in that: including cutterhead (1), down-the-hold drill bit (2), blade row (4) and
For driving down-the-hold drill bit (2) motor (3), the blade row (4) is arranged in cutterhead (1) side, another side periphery of the cutterhead (1)
On be additionally provided with the support of main drive connection (5), through-hole is provided on the cutterhead (1), the down-the-hold drill bit (2) passes through logical
Hole, the motor (3) are arranged on cutterhead (1), and the motor (3) is arranged far from blade row (4) side, on the cutterhead (1)
It is additionally provided with scum hole (11).
2. the cutter head of shield machine according to claim 1 with down-the-hold drill bit, it is characterised in that: the down-the-hold drill bit (2) sets
It is equipped with multiple, the down-the-hold drill bit (2) is arranged successively along cutterhead (1) radius by the outer center of circle towards cutterhead (1) and down-the-hold drill bit
(2) diameter is descending.
3. the cutter head of shield machine according to claim 1 with down-the-hold drill bit, it is characterised in that: the down-the-hold drill bit (2)
Overhang is 150 ~ 180 millimeters.
4. the cutter head of shield machine according to claim 1 with down-the-hold drill bit, it is characterised in that: also set on the motor (3)
It is equipped with mud guard.
5. the cutter head of shield machine according to claim 1 with down-the-hold drill bit, it is characterised in that: the blade row (4) includes scraping
Knife (42) and side knife (41), the scraper (42) are mounted on cutterhead (1) body, and the side knife (41) is mounted on cutterhead (1) body
The inclination angle that the disk of edge, the side knife (41) and cutterhead (1) body is formed is 70 degree ~ 80 degree.
6. the cutter head of shield machine according to claim 5 with down-the-hold drill bit, it is characterised in that: the stretching of the scraper (42)
Amount is 120 ~ 140 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118183.5U CN209557002U (en) | 2019-01-24 | 2019-01-24 | Cutter head of shield machine with down-the-hold drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118183.5U CN209557002U (en) | 2019-01-24 | 2019-01-24 | Cutter head of shield machine with down-the-hold drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557002U true CN209557002U (en) | 2019-10-29 |
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ID=68308888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920118183.5U Active CN209557002U (en) | 2019-01-24 | 2019-01-24 | Cutter head of shield machine with down-the-hold drill bit |
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| CN (1) | CN209557002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894575A (en) * | 2020-08-11 | 2020-11-06 | 姚萍 | Coal mining heading machine |
| CN112855261A (en) * | 2020-12-30 | 2021-05-28 | 山东大学 | Drainage device, system and method suitable for TBM tunnel induced polarization instrument |
-
2019
- 2019-01-24 CN CN201920118183.5U patent/CN209557002U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894575A (en) * | 2020-08-11 | 2020-11-06 | 姚萍 | Coal mining heading machine |
| CN111894575B (en) * | 2020-08-11 | 2022-06-07 | 山东山特重工机械有限公司 | Coal mining heading machine |
| CN112855261A (en) * | 2020-12-30 | 2021-05-28 | 山东大学 | Drainage device, system and method suitable for TBM tunnel induced polarization instrument |
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