CN100487225C - Cutter drive device of eccentric multi-axial type tunnelling machine - Google Patents
Cutter drive device of eccentric multi-axial type tunnelling machine Download PDFInfo
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- CN100487225C CN100487225C CNB2003101090596A CN200310109059A CN100487225C CN 100487225 C CN100487225 C CN 100487225C CN B2003101090596 A CNB2003101090596 A CN B2003101090596A CN 200310109059 A CN200310109059 A CN 200310109059A CN 100487225 C CN100487225 C CN 100487225C
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- bearing
- eccentric
- shaft
- cutterhead
- eccentric shaft
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Abstract
The invention is a kind of cutter plate driving device for eccentric multi spindle development machine, which belongs to building mechanical field. The sealing way of sand in the invention is: there sets a double sealing of maze sealing and the first teeth sealing between the bearing bracket base and the eccentric spindle, there sets a double sealing of maze sealing and the second teeth sealing between the bearing base and the eccentric spindle. The driving device hydraulic motor and the decelerator base are connected with one end of the bearing base through bolt. The decelerator output small gear spindle engages with the gear, the gear is covered in the eccentric spindle and connected with flat key, the second bearing and the third bearing in the bearing base are set on the neck part of the eccentric spindle, the first bearing in the bearing base is supported on another neck part of the eccentric spindle, the two ends of the eccentric spindle are fixed through a round bolt and stopping cushion to limit the axial movement of eccentric spindle. The invention reduces the project cost greatly and shortens the constructing period.
Description
Technical field
What the present invention relates to is a kind of drive unit, and particularly a kind of cutterhead driving device of eccentric multi-shaft formula development machine belongs to the building machinery field.
Background technology
The most shield structures that adopt the big cutter head type of single shaft of subterranean tunnel, the centre of gyration of cutting cutterhead is consistent with the center of development machine.From quarterly " underground construction and tunnel " number of the edition is that the autograph of the 7th page of publication of CN31-1591 (1991 the 3rd phases) is: look into each principal assembly of shield structure of φ 5.64M Earth Pressure Balancing Type Shell Excavator brief introduction and the structure of system rope to: to drive unit is to describe like this: cutterhead: adopt the intermediate support formula.Establish 12 fluid pressure drive devices altogether, drive unit is selected GFA105K type driving speed reducer for use, and double reduction adopts external tooth type.Gear wheel and large-scale triple axle radial-thrust bearing are made one.…
The structure of this drive unit and combining form can only drive the circular motion that cutterhead is made Dan Yuan.The tunnel that can only digging goes out circular cross-section.
In retrieval to domestic and international a large amount of technical literature of prior art, all acomia existing bibliographical information relevant with the technology of the present invention theme.
Summary of the invention
The present invention is directed to the deficiencies in the prior art and defective, a kind of cutterhead driving device of eccentric multi-shaft formula development machine is provided.Make its universal component of mixing cutterhead and housing and other development machine, just can finish the full section cutting driving in tunnel, different shape cross section, the present invention also plays all directions component effect when supporting the cutterhead motion when driving the cutterhead motion.Compare other forms of development machine and select in tunnel cross sectional shape optimization, improve surface settlement, finish and all have more advantage aspect long distance driving, the control earth pressure balance, and can save great amount of manpower and material resources spent in the later stage engineering and financial resources.
The present invention is achieved by the following technical solutions, the present invention includes: clutch shaft bearing group, bearing spider, the first profile of tooth sealing, labyrinth seal, eccentric shaft, the sealing of second profile of tooth, second bearing group, bearing support, gear, the 3rd bearing, reductor, pinion shaft, hydraulic motor, round nut and stop washer.The present invention's soil sand sealing means is: be provided with the double seal of the labyrinth seal and first profile of tooth sealing between bearing spider and eccentric shaft, be provided with the double seal of the labyrinth seal and second profile of tooth sealing between bearing support and eccentric shaft.Connected mode of the present invention is: the hydraulic motor of drive unit is connected with bolt with bearing support one end with the reductor support, the output pinion axle of reductor and gear external toothing, and geared sleeve connects with flat key in eccentric shaft, and is arranged in the bearing support.Second bearing in the bearing support and the 3rd bearing group rest are at the axle journal place of eccentric shaft one end, and the clutch shaft bearing group rest in the bearing spider is at the axle journal place of the eccentric shaft other end.The eccentric shaft two ends are by round nut and the axial displacement of stop washer fixed constraints eccentric shaft.
The present invention is different fully with the cutterhead support pattern of the big cutter head type development machine of single shaft: the big cutter head type development machine of single shaft is the big bearing supporting cutterhead that is slightly less than the development machine housing with a diameter, and its cost is very high; The present invention need not support with big bearing.Support pattern of the present invention is a multi-point support, promptly in drive unit, there is several places bearing group to support along the reasonable arrangement of the axis of eccentric shaft, solved the stressed support problem of cutterhead all directions in drive unit inside, and can overcome because the end of eccentric shaft hangs the unfavorable conditions of cutterhead gravity; Drive unit of the present invention end is connected with cutterhead is vertical, makes the effect that rotatablely moves by the clutch shaft bearing group of eccentric shaft be transformed into the motion that cutterhead is made parallel ring dexterously.Drive unit of the present invention is equipped with various difformity cutterheads, can reach the effect in the various different cross section shape of digging tunnel.The cutterhead digging that is the cutterhead digging of the square type tunnel that goes out the square type, horseshoe type goes out the tunnel of horseshoe type, round cutterhead digging goes out round tunnel.And the big cutter head type development machine of single shaft is not accomplished.
The present invention is different fully with the cutterhead kind of drive of the big cutter head type development machine of single shaft: the type of drive as the circular development machine of the big cutter head type of single shaft is to drive cutterhead with single shaft, makes circular motion with the axle center of cutterhead, and underground soil layer is carried out digging.Regardless of the shape of cutterhead, the cross section profile of digging is always circular.And the transmission of the big cutter head type development machine of single shaft, be by the pinion on 12 hydraulic motors drive walking reducer output shafts, drive a gear wheel simultaneously and carry out the driving effect that double reduction reaches low-speed big that its diameter is very big, manufacture with macro-axis and to be integral, its cost is very high; The present invention makes eccentric multi-shaft formula development machine need not use the gear wheel transmission.The present invention has directly solved the deceleration problem in drive unit inside, make eccentric shaft reach the designing requirement of output low-speed big, and each drive unit all is a complete driving universal component, can use repeatedly.Reasonable disposition and layout are carried out in actual requirement according to engineering, and the cutterhead of no matter installing is square type, horseshoe type or other shape, can both obtain similar to the cutterhead shape substantially cutting section configuration; And the big cutter head type development machine of single shaft is not accomplished.
The native sand sealing means that the present invention adopts is the double seal that is provided with labyrinth seal and the sealing of first profile of tooth between bearing spider and eccentric shaft; Between bearing support and eccentric shaft, be provided with the double seal of the labyrinth seal and second profile of tooth sealing.The double seal that drive unit is set, intrusions such as mud in the grease that is pressed into from built-in runner prevents native cabin, and grease is pressed into the oil duct place of each bearing by other built-in runners, its function is to guarantee that bearing and whole drive unit run well under adverse circumstances such as muddy water, soil, sand, is to be applicable to the mechanical driving device of working under the adverse circumstances such as muddy water, soil, sand.
Hydraulic motor drives eccentric shaft one end first axle a with eccentric shaft under the supporting of second bearing and the 3rd bearing and rotates after reductor and pinion shaft, gear reduction, and the other end of eccentric shaft to be radius with the eccentric throw do gyration around first axle, and in the clutch shaft bearing group that with the second axis b is the center, drive the cutting cutterhead and make circular motion with sky cover form.Being hydraulic motor drives the eccentric shaft rotation after reductor and pinion shaft, gear reduction, and eccentric shaft is connected with bolt by bearing spider and cutting cutterhead and drives the cutting cutterhead and move.
The present invention with the connected mode of the relevant parts of eccentric multi-shaft formula development machine is: the cutting cutterhead is vertical with the eccentric shaft axis of drive unit, and place eccentric multi-shaft formula development machine foremost, be connected fasteningly by bolt with the bearing spider of drive unit, and the bearing support of drive unit is connected fastening with the housing plastron with bolt.
The present invention just can realize the full section digging in tunnel, different shape cross section according to cross sectional shape (as the shape of a hoof, rectangle, the ellipse etc.) design of construction tunnel requirement and the cutting cutterhead and the casing of definite appearance and size.The eccentric distance that changes eccentric shaft can change the range of movement of cutting cutterhead.The quantity that increases drive unit can increase the driving torque of cutting cutterhead.The combining form of the bite disk drive device of eccentric multi-shaft formula development machine, supporting arrangement and cutting cutterhead, make on the cutting cutterhead each particle with crankshaft center apart from being that radius is made circular motion, and particle itself moves without spin, the collection of all particles has formed unique cutterhead forms of motion, the front soil body is carried out full section cutting, finish the driving in various cross sectional shapes tunnel.Actual requirement is carried out reasonable disposition and layout to the quantity of drive unit according to engineering, reaches the requirement of moment of torsion and power.
Can not directly once finish different shape cross section tunnel machine construction problem before the invention solves, have substantive distinguishing features and marked improvement, the present invention utilizes the forms of motion of crankshaft-link rod, drive every on the cutterhead cutter around separately center of circle work circular motion with diameter, finish the full advance in various cross sectional shapes tunnel.Eccentric multi-shaft formula development machine can be widely used in square type underground pedestrian passageway, flat bow top highway and railway tunnel and the underground passage of the various difformity arbitrary cross-sections set as required, make shield tunneling tunnel cross sectional shape near the practical application cross sectional shape, only need carry out once lining just reaches the construction purpose.Significantly reduce engineering cost and shortened construction period.Compare with the development machine of other form, tool wear is little, is fit to long distance and big section driving, and has improved the condition of earth pressure balance, has reduced the problem of earth heaving and sedimentation greatly.
Description of drawings
Fig. 1 structural representation of the present invention
Fig. 2 the present invention is the development machine section and the drive arrangement schematic diagram of example with the horseshoe type
The specific embodiment
As shown in Figure 1 and Figure 2, the present invention includes: clutch shaft bearing group 1, bearing spider 2, first profile of tooth sealing 3, labyrinth seal 4, eccentric shaft 5, second profile of tooth sealing, 6, second bearing group 7, bearing support 8, gear 9, the 3rd bearing 10, reductor 11, pinion shaft 12, hydraulic motor 13, round nut 14 and stop washer 15.The native sand sealing means of described cutterhead driving device is: be provided with the double seal of the labyrinth seal 4 and first profile of tooth sealing 3 between bearing spider 2 and eccentric shaft 5, between bearing support 8 and eccentric shaft 5, be provided with the double seal of the labyrinth seal 4 and second profile of tooth sealing 5, the connected mode of described cutterhead driving device is: the hydraulic motor 13 of drive unit is connected with bolt with bearing support 8 one ends with reductor 11 supports, the output pinion axle 12 and gear 9 external toothings of reductor 11, gear 9 is enclosed within the eccentric shaft 5 and connects with flat key, and be arranged in the bearing support 8, second bearing 7 in the bearing support 8 and the 3rd bearing group 10 rests are at the axle journal place of eccentric shaft 4 one ends, and clutch shaft bearing group 1 rest in the bearing spider 2 is at the axle journal place of eccentric shaft 5 other ends, and eccentric shaft 4 two ends are by round nut 14 and 5 axial displacements of stop washer 15 fixed constraints eccentric shafts.
Support pattern of the present invention is a multi-point support, promptly has several places bearing group to support along the reasonable arrangement of the axis of eccentric shaft in drive unit.Drive unit of the present invention end is connected with cutterhead is vertical, and drive unit is equipped with the different shape cutterhead.
With the connected mode of the relevant parts of eccentric multi-shaft formula development machine be: eccentric shaft 5 axis normal of cutting cutterhead 16 and drive unit, and place eccentric multi-shaft formula development machine foremost, be connected fasteningly by bolt with the bearing spider 2 of drive unit, and the bearing support 8 of drive unit is connected fastening with housing 17 plastrons with bolt.
Claims (5)
1, a kind of cutterhead driving device of eccentric multi-shaft formula development machine, comprise: clutch shaft bearing group (1), bearing spider (2), eccentric shaft (5), second profile of tooth sealing (6), second bearing group (7), bearing support (8), gear (9), the 3rd bearing (10), reductor (11), pinion shaft (12), hydraulic motor (13), round nut (14) and stop washer (15), it is characterized in that, also comprise: first profile of tooth sealing (3), labyrinth seal (4), the native sand sealing means of described cutterhead driving device is: be provided with the double seal of the labyrinth seal (4) and first profile of tooth sealing (3) between bearing spider (2) and eccentric shaft (5), between bearing support (8) and eccentric shaft (5), be provided with the double seal of the labyrinth seal (4) and second profile of tooth sealing (5), the connected mode of described cutterhead driving device is: the hydraulic motor of drive unit (13) is connected with bolt with bearing support (8) one ends with reductor (11) support, the output pinion axle (12) of reductor (11) and gear (9) external toothing, gear (9) is enclosed within the eccentric shaft (5) and connects with flat key, and be arranged in the bearing support (8), second bearing (7) in the bearing support (8) and the 3rd bearing group (10) rest are at the axle journal place of eccentric shaft (4) one ends, and clutch shaft bearing group (1) rest in the bearing spider (2) is at the axle journal place of eccentric shaft (5) other end, and eccentric shaft (4) two ends are by round nut (14) and stop washer (15) fixed constraints eccentric shaft (5) axial displacement.
2, the cutterhead driving device of eccentric multi-shaft formula development machine according to claim 1, it is characterized in that, hydraulic motor (13) rotates through driving eccentric shaft (5) one ends first axle (a) with eccentric shaft (5) under the supporting of second bearing (7) and the 3rd bearing (10) after reductor (11) and the gear reduction, and the other end of eccentric shaft (5) to be radius with the eccentric throw do gyration around first axle, and in the clutch shaft bearing group (1) that with second axis (b) is the center, drive cutting cutterhead (16) and make circular motion with sky cover form.
3, the cutterhead driving device of eccentric multi-shaft formula development machine according to claim 1 is characterized in that, support pattern is a multi-point support, promptly all has several places bearing group to support along the reasonable arrangement of the axis of eccentric shaft in drive unit.
4, the cutterhead driving device of eccentric multi-shaft formula development machine according to claim 1 is characterized in that, the drive unit end is connected with cutterhead is vertical, and drive unit is equipped with the different shape cutterhead.
5, the cutterhead driving device of eccentric multi-shaft formula development machine according to claim 1, it is characterized in that, with the connected mode of the relevant parts of eccentric multi-shaft formula development machine be: eccentric shaft (5) axis normal of cutting cutterhead (16) and drive unit, and place eccentric multi-shaft formula development machine foremost, be connected fasteningly by bolt with the bearing spider (2) of drive unit, and the bearing support of drive unit (8) is connected fastening with housing (17) plastron with bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101090596A CN100487225C (en) | 2003-12-04 | 2003-12-04 | Cutter drive device of eccentric multi-axial type tunnelling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101090596A CN100487225C (en) | 2003-12-04 | 2003-12-04 | Cutter drive device of eccentric multi-axial type tunnelling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1546841A CN1546841A (en) | 2004-11-17 |
| CN100487225C true CN100487225C (en) | 2009-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101090596A Expired - Fee Related CN100487225C (en) | 2003-12-04 | 2003-12-04 | Cutter drive device of eccentric multi-axial type tunnelling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN100487225C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539024B (en) * | 2009-04-24 | 2011-05-04 | 上海隧道工程股份有限公司 | Integral type shield cutterhead driving device |
| CN101603425B (en) * | 2009-07-16 | 2011-06-15 | 上海隧道工程股份有限公司 | Variable-frequency control device used for shield construction cuttingwheel drive and control method thereof |
| CN101881170A (en) * | 2010-06-12 | 2010-11-10 | 上海电力学院 | Cutter disc of eccentric multi-shaft tunnel digging machine directly driven by hydraulic cylinders |
| US9140123B2 (en) * | 2012-04-06 | 2015-09-22 | Caterpillar Inc. | Cutting head tool for tunnel boring machine |
| CN104453926B (en) * | 2014-12-29 | 2017-01-18 | 上海隧道工程有限公司 | Quasi-rectangular shield cutter head device and synchronous control method thereof |
| CN106640109B (en) * | 2017-01-23 | 2018-08-31 | 上海盾构设计试验研究中心有限公司 | A kind of universal tunneling equipment for abnormity and circular cross section |
| CN107740696A (en) * | 2017-10-24 | 2018-02-27 | 天津大学 | A kind of adjustable mounting structure in hobboing cutter position |
| CN110159285B (en) * | 2019-06-14 | 2023-12-15 | 中铁工程服务有限公司 | Modularized cutter head of rectangular pipe jacking machine with variable diameter |
| CN111075464B (en) * | 2020-01-17 | 2021-08-24 | 中铁工程装备集团有限公司 | Heading machine cutter head capable of realizing real-time reducing and expanding excavation and eccentric excavation method thereof |
-
2003
- 2003-12-04 CN CNB2003101090596A patent/CN100487225C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1546841A (en) | 2004-11-17 |
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Granted publication date: 20090513 Termination date: 20100104 |