CN206129283U - Be used for flat moving cutter disc of sectional eccentric hobbing cutter of hard rock rectangle cutting - Google Patents
Be used for flat moving cutter disc of sectional eccentric hobbing cutter of hard rock rectangle cutting Download PDFInfo
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- CN206129283U CN206129283U CN201621191027.4U CN201621191027U CN206129283U CN 206129283 U CN206129283 U CN 206129283U CN 201621191027 U CN201621191027 U CN 201621191027U CN 206129283 U CN206129283 U CN 206129283U
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- cutter head
- hard rock
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Abstract
The utility model provides a be used for flat moving cutter disc of sectional eccentric hobbing cutter of hard rock rectangle cutting has solved among the prior art problem that eccentric multiaxis hobbing cutter blade disc was used on the hard rock stratum. The utility model discloses a cutter head body, cutter, actuating system, cutter head body pass through the actuating system and drive, cutter head body is spoke type rectangle cutter head body, the cutter includes positive hobbing cutter again, and wherein positive hobbing cutter is installed on positive hobbing cutter blade holder, and positive hobbing cutter blade holder and blade holder pivot are passed through the bolt -up and be connected as an organic wholely, and the blade holder pivot is passed through the bearing and is connected in cutter head body blade holder center and the central off -centre of blade holder pivot. The utility model discloses do the parallel rod motion by the drive of a plurality of eccentric drive shaft, the wearing and tearing volume of realization cutter does not receive the influence of mounted position, positive hobbing cutter utensil eccentric settings has the characteristics of autogiration along with the blade disc translation, has excavation blind area problem when having solved the eccentric multi -shaft motion excavation of crushing type cutter such as hobbing cutter, many cutter head group of this blade disc accessible syntype excavation can adapt to the not special -shaped excavation face of equidimension.
Description
Technical field
The utility model belongs to the technical field of tunnel construction machinery, and in particular to one kind cuts section for hard rock rectangle
Eccentric hobboing cutter translation cutterhead.
Background technology
In recent years, from viewpoints such as security, energy-conservation, the improvement of work situation, in tunnel excavation field, mechanization journey
Degree is fast-developing.In the mountain ridge, constructing metro tunnel, consider from security, the necessity of rapid construction and economy, hard rock pick
The application for entering machine is of concern.Although now the construction achievement of hard rock mole is concentrated mainly on seepage tunnel field, also many
For circular beater plate shield, but in highway, railway tunnel and municipal administration, the excavation of subway tunnel, the same demand of hard rock mole
Huge, as the range of application of hard rock mole is progressively widened, various tunnel excavation faces also propose to novel shield
Section requirement, and the special-shaped cutter head of shield-driven machine for adapting to new type section is its most important thing.
Eccentric multi-shaft mechanism cutterhead with the advantage such as its moment of torsion is less, cutting tool wear extent is consistent in soft soil layer
Apply, and this mechanism is also great temptation in special-shaped hard rock cutter head of shield machine application, but for ground consisting of hard rock, hobboing cutter
It is not the cutting type cutter as bite, but is pulverized by making impact crushing and shearing while cutter itself rotation
Crushing type cutter on hard rock, therefore when excavating mechanism using eccentric multi-shaft on hard rock shield machine, problems are there is also,
The radius of turn of such as all hobboing cutter cutters is all identical, and all less, so the trackability of hobboing cutter becomes problem；Additionally,
Affected by hob holder size, the quantity that cutter is can configure on cutterhead is also restrained.Cause only by parallel rod motion
The track of regulation knife spacing cannot be excavated out, and excavation blind area occurs.In this regard, one kind can adapt to be dug in section hard rock
The New Kind of Hob cutterhead for entering is needed badly and is designed.
Utility model content
The utility model proposes a kind of eccentric hobboing cutter translation cutterhead that section is cut for hard rock rectangle, solves existing skill
Problem of the eccentric multi-shaft hobboing cutter cutterhead in ground consisting of hard rock application in art.
What the technical solution of the utility model was realized in：A kind of eccentric hobboing cutter for cutting section for hard rock rectangle is put down
Movable knife disc, including cutter head, cutter, drive system, cutter head is driven by drive system, and the cutter head is spoke type rectangle
Cutter head；Cutter includes positive hobboing cutter again, wherein positive hobboing cutter is installed on positive hob holder, positive hob holder leads to tool rest rotating shaft
Cross bolt and be fastenedly connected and be integrated, tool rest rotating shaft is connected to cutter head by bearing, in positive hob holder center and tool rest rotating shaft
The heart is eccentric.
The positive hob holder is furnished with scraper at cutter rolling direction two ends；The cutter head surrounding is distributed with side hobboing cutter,
Side hobboing cutter is outwards tiltedly stretched with direction of advance angle at 45 °.
The drive system includes eccentric drive shaft and main driving, and cutter head is by bearing by least 3 eccentric drive shafts
Drive.
The positive hob holder, cutter head, eccentric drive shaft are provided with thrust bearing in axial direction；It is described that each is inclined
Heart drive shaft is combined with a motor.
The cutter head and main driving are provided with the horizontal direction and the vertical direction driving offsetting mechanism.
The driving offsetting mechanism includes horizontal guide rail, cross cylinder, upright guide rail, wherein vertical oil cylinder, upright guide rail
It is arranged in horizontal guide rail, horizontal guide rail is fixed on shield body, drive case can vertically led by the push-and-pull of vertical oil cylinder
Move up and down in rail, drive case and upright guide rail can be moved left and right together by the push-and-pull of cross cylinder in horizontal guide rail.
The effective benefit and Substantial technical progress that the utility model has compared with prior art has：
The utility model provides a kind of eccentric hobboing cutter translation cutterhead that section is cut for hard rock rectangle, the new cutterhead
Body is driven by multiple eccentric drive shafts and does parallel rod motion so that the movement locus of all cutters reaches unanimity, and realizes knife
The wear extent of tool is not affected by installation site；The new cutterhead positive hobboing cutter tool eccentric setting, with cutterhead translation from
The characteristics of dynamic rotation, additionally, cutter head and main driving integrally can in the horizontal direction and the vertical direction realize integral slipping, solve
Exist when the crushing type cutter deflection multiaxial motions such as hobboing cutter are excavated and excavate blind zone problem, realize eccentric multi-shaft and excavate mechanism and exist
Application on tunnel hard rock mole.
Meanwhile, the spoke type rectangle cutter head is pocket knife disk-form, also can be excavated by multi-cutter-disk integrated mode so as to energy
Enough adapt to different size of special-shaped excavation face.To sum up state, the eccentric hobboing cutter translation cutterhead has little moment of torsion, construction safety, adaptation
Property advantage strong, with low cost, for modern constructing tunnel construction technical support is provided.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the utility model cutterhead main structure diagram.
Fig. 2 is the utility model cutterhead left view structural representation.
Fig. 3 is the utility model cutterhead right side structural representation.
Fig. 4 is the left view of the utility model embodiment 2.
Fig. 5 is the front view of the present embodiment 2.
Wherein：1- sides hobboing cutter；2- cutter heads；The positive hob holders of 3-；The positive hobboing cutters of 4-；5- scrapers；6- thrust bearings；7- tool rests
Rotating shaft；8- eccentric drive shafts；9- drive cases；10- shield bodies；The vertical oil cylinders of 11-；12- horizontal guide rails；13- upright guide rails；14-
Main driving；15- cross cylinders.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Embodiment 1
As shown in Fig. 1 ~ 3, the utility model provides a kind of eccentric hobboing cutter translation knife that section is cut for hard rock rectangle
Disk, including cutter head 2, cutter, drive system, cutter head 2 is driven by drive system, and the cutter head 2 is spoke type rectangle
Cutter head；Cutter includes positive hobboing cutter 4, wherein positive hobboing cutter 4 is installed on positive hob holder 3, positive hob holder 3 and tool rest rotating shaft
7 are bolted connection and are integrated, and tool rest rotating shaft 7 is connected to cutter head 2, the center of positive hob holder 3 and tool rest by bearing
The center of rotating shaft 7 is eccentric.
The positive hob holder 3 is furnished with scraper 5 at cutter rolling direction two ends；The surrounding of the cutter head 2 is distributed with side rolling
Knife 1, side hobboing cutter 1 is outwards tiltedly stretched with direction of advance angle at 45 °.
The drive system includes eccentric drive shaft 8 and main driving 14, and cutter head 2 is by bearing by least 3 eccentric drives
Moving axis 8 drives.
The positive hob holder 3, cutter head 2, eccentric drive shaft 8 are provided with thrust bearing 6 in axial direction；It is described every
Individual eccentric drive shaft 8 is combined with a motor.
The cutter head 2 and main driving 14 are provided with the horizontal direction and the vertical direction driving offsetting mechanism.
The driving offsetting mechanism includes horizontal guide rail 12, cross cylinder 15, upright guide rail 13, vertical oil cylinder 11, wherein
Upright guide rail 13 is arranged in horizontal guide rail 12, and horizontal guide rail 12 is fixed on shield body 10, and drive case 9 passes through vertical oil cylinder
11 push-and-pull can be moved up and down in upright guide rail 13, and drive case 9 and upright guide rail 13 pass through together pushing away for cross cylinder 15
Drawing can move left and right in horizontal guide rail 12.
The present embodiment course of work：During work, motor drives the synchronous rotary of eccentric drive shaft 8 by gearbox, partially
Heart drive shaft 8 drives again cutter head 2 to do parallel rod motion, and all cutters are inclined with eccentric drive shaft 8 under the drive of cutter head 2
Heart amount does gyration for radius.Wherein, positive hobboing cutter 4, scraper 5 can be rotated freely with positive hob holder 3 around tool rest rotating shaft 7, be entered
And when realizing that cutter head 2 is moved positive hobboing cutter 4 with turning broken rock, scraper 5 with will detritus strike off, while side hobboing cutter 1 is carried out to rock
Shearing is pulverized, it is ensured that excavate size.
At the same time, main to drive 14 to be installed in drive case 9, drive case 9 is arranged in upright guide rail 13, is vertically led
Rail 13 is arranged in horizontal guide rail 12, and horizontal guide rail 12 is fixed on shield body 10.Drive case 9 is pushed away by vertical oil cylinder 11
Draw and can move up and down in the upright guide rail 13, drive case 9 and upright guide rail 13 together can be by the push-and-pull of cross cylinder 15
Move left and right in horizontal guide rail 12, and then realize digging for cutterhead four direction.
Embodiment 2
As shown in Figure 4,5, it is this application of new cutterhead on rectangular top pipe, by four groups, the new cutterhead is arranged in shield body
Front end upper left, lower-left, upper right, bottom-right location, and ultimate range can be offset as cutterhead spacing using offsetting mechanism, while ensureing four
Group cutterhead is in same perpendicular.Per group of new cutterhead is driven by four groups of eccentric drive shafts, in the pushing tow of main top oil cylinder
Under the new cutterhead work driving of realizing to section hard rock tunnel.
Other structures are with embodiment 1.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of eccentric hobboing cutter translation cutterhead that section is cut for hard rock rectangle, including cutter head（2）, cutter, drive system,
Cutter head（2）Driven by drive system, it is characterised in that：The cutter head（2）For spoke type rectangle cutter head；Cutter is wrapped again
Include positive hobboing cutter（4）, wherein positive hobboing cutter（4）It is installed on positive hob holder（3）On, positive hob holder（3）With tool rest rotating shaft（7）It is logical
Cross bolt and be fastenedly connected and be integrated, tool rest rotating shaft（7）Cutter head is connected to by bearing（2）, positive hob holder（3）Center and knife
Seat rotating shaft（7）Center is eccentric.
2. it is according to claim 1 for hard rock rectangle cut section eccentric hobboing cutter translation cutterhead, it is characterised in that：Institute
State positive hob holder（3）It is furnished with scraper at cutter rolling direction two ends（5）；The cutter head（2）Surrounding is distributed with side hobboing cutter
（1）, side hobboing cutter（1）Outwards tiltedly stretch with direction of advance angle at 45 °.
3. it is according to claim 1 for hard rock rectangle cut section eccentric hobboing cutter translation cutterhead, it is characterised in that：Institute
Drive system is stated including eccentric drive shaft（8）With main driving（14）, cutter head（2）By bearing by least 3 eccentric drive shafts
（8）Drive.
4. it is according to claim 3 for hard rock rectangle cut section eccentric hobboing cutter translation cutterhead, it is characterised in that：Institute
State positive hob holder（3）, cutter head（2）, eccentric drive shaft（8）Thrust bearing is provided with axial direction（6）；It is described each
Eccentric drive shaft（8）It is combined with a motor.
5. it is according to claim 1 for hard rock rectangle cut section eccentric hobboing cutter translation cutterhead, it is characterised in that：Institute
State cutter head（2）With main driving（14）Driving offsetting mechanism is provided with the horizontal direction and the vertical direction.
6. it is according to claim 5 for hard rock rectangle cut section eccentric hobboing cutter translation cutterhead, it is characterised in that：Institute
Stating driving offsetting mechanism includes horizontal guide rail（12）, cross cylinder（15）, upright guide rail（13）, vertical oil cylinder（11）, wherein erecting
Straight guide（13）It is arranged in horizontal guide rail（12）It is interior, horizontal guide rail（12）It is fixed on shield body（10）On, drive case（9）By perpendicular
Straight oil cylinder（11）Push-and-pull can be in upright guide rail（13）Inside move up and down, drive case（9）And upright guide rail（13）Pass through together
Cross cylinder（15）Push-and-pull can be in horizontal guide rail（12）Inside move left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191027.4U CN206129283U (en) | 2016-10-31 | 2016-10-31 | Be used for flat moving cutter disc of sectional eccentric hobbing cutter of hard rock rectangle cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191027.4U CN206129283U (en) | 2016-10-31 | 2016-10-31 | Be used for flat moving cutter disc of sectional eccentric hobbing cutter of hard rock rectangle cutting |
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| CN206129283U true CN206129283U (en) | 2017-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285709A (en) * | 2016-10-31 | 2017-01-04 | 中铁工程装备集团有限公司 | A kind of eccentric hobboing cutter translation cutterhead for hard rock rectangle cutting section |
-
2016
- 2016-10-31 CN CN201621191027.4U patent/CN206129283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285709A (en) * | 2016-10-31 | 2017-01-04 | 中铁工程装备集团有限公司 | A kind of eccentric hobboing cutter translation cutterhead for hard rock rectangle cutting section |
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