CN2661922Y - Cutter head actuating device of eccentric multishaft type development machine - Google Patents
Cutter head actuating device of eccentric multishaft type development machine Download PDFInfo
- Publication number
- CN2661922Y CN2661922Y CN 200320108604 CN200320108604U CN2661922Y CN 2661922 Y CN2661922 Y CN 2661922Y CN 200320108604 CN200320108604 CN 200320108604 CN 200320108604 U CN200320108604 U CN 200320108604U CN 2661922 Y CN2661922 Y CN 2661922Y
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- China
- Prior art keywords
- bearing
- shaft
- eccentric
- eccentric shaft
- cutterhead
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- Expired - Lifetime
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a cutter head driving device of the eccentric and multi-axial development machine, which belongs to the field of construction machinery; the clay and sand sealing method is that: a double seal of a labyrinth seal and a first jugged seal is arranged between a bearing spider and an eccentric shaft, and a double seal of a labyrinth seal and a second jugged seal is arranged between a bearing block and an eccentric shaft. A hydraulic motor and a reducer stand of the driving device are connected with one end of the bearing block by a bolt; the output pinion shaft of the reducer is outside meshed with a gear; a gear is sleeved inside the eccentric shaft and is connected by a flat key; a second bearing and a third bearing unit in the bearing block are supported on the shaft neck at one end of the eccentric shaft, and the first bearing unit inside the bearing spider is supported on the shaft neck of the other end of the eccentric shaft; the axial displacement of the eccentric shaft is fixed and limited by the two ends of the eccentric shaft through a round nut and a lock washer. The utility model reduces engineering cost and shortens the construction period significantly, has less abrasion wear to the cutter, is suitable for long distance and large-section advancing, and improves the condition of earth pressure balance, and reduces the problem on ground uplift and subsidence greatly.
Description
Technical field
The utility model relates to a kind of drive unit, 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 utility model technical theme.
Summary of the invention
The utility model provides a kind of cutterhead driving device of eccentric multi-shaft formula development machine at the deficiencies in the prior art and defective.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 utility model 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 utility model is to realize that by following technical scheme the utility model comprises: 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.Its native 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.Its connected mode 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 utility model 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 utility model need not support with big bearing.Support pattern of the present utility model is a multi-point support, the bearing of selecting for use promptly all has several places bearing group to support along the reasonable arrangement of the axis of eccentric shaft in each drive unit, 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; Several groups of drive unit ends of the utility model are connected with cutterhead is vertical, make 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.Several groups of drive units of the present utility model are 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 utility model 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 utility model makes eccentric multi-shaft formula development machine need not use the gear wheel transmission.The utility model 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 utility model 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 do the circumference translational 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 utility model 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 several groups of drive units, and place eccentric multi-shaft formula development machine foremost, be connected fasteningly by bolt with the bearing spider of several groups of drive units, and the bearing support of drive unit is connected fastening with the housing plastron with bolt.
The utility model just can be realized 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.
Before having solved, the utility model can not directly once finish different shape cross section tunnel machine construction problem, have substantive distinguishing features and marked improvement, the utility model 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 the utility model structural representation
Fig. 2 the utility model 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 utility model comprises: 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.Its native sand sealing means 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, its connected mode 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 7 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.
Hydraulic motor 13 drives eccentric shaft 5 one ends first axle a with eccentric shaft 5 under the supporting of second bearing 7 and the 3rd bearing 10 and rotates after reductor 11 and gear 12,9 decelerations, 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 the second axis b is the center, drive cutting cutterhead 16 and do the circumference translational motion with sky cover form.Being hydraulic motor 13 drives eccentric shaft 5 rotations through reductor 11 and gear 12,9 back of slowing down, and eccentric shaft 5 is connected with cutting cutterhead 16 usefulness bolts to drive by bearing spider 2 and cuts cutterhead 16 and move.
Support pattern of the present utility model is a multi-point support, and the bearing of selecting for use promptly all has several places bearing group to support along the reasonable arrangement of the axis of eccentric shaft in each drive unit.Several groups of drive unit ends of the utility model are connected with cutterhead is vertical, and several groups of drive units are 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 several groups of drive units, and place eccentric multi-shaft formula development machine foremost, be connected fasteningly by bolt with the bearing spider 2 of several groups of drive units, 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), its native sand sealing means 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), its connected mode 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 (7) 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) back drive eccentric shaft (5) the one ends first axle a with eccentric shaft (5) under the supporting of second bearing (7) and the 3rd bearing (10) that slows down through reductor (11) and gear (12), (9) rotates, 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 the second axis b is the center, drive cutting cutterhead (16) and do the circumference translational 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, and the bearing of selecting for use promptly all has several places bearing group to support along the reasonable arrangement of the axis of eccentric shaft in each drive unit.
4, the cutterhead driving device of eccentric multi-shaft formula development machine according to claim 1 is characterized in that, several groups of drive unit ends are connected with cutterhead is vertical, and several groups of drive units are 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 several groups of drive units, and place eccentric multi-shaft formula development machine foremost, be connected fasteningly by bolt with the bearing spider (2) of several groups of drive units, 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 |
|---|---|---|---|
| CN 200320108604 CN2661922Y (en) | 2003-12-04 | 2003-12-04 | Cutter head actuating device of eccentric multishaft type development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108604 CN2661922Y (en) | 2003-12-04 | 2003-12-04 | Cutter head actuating device of eccentric multishaft type development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2661922Y true CN2661922Y (en) | 2004-12-08 |
Family
ID=34342763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320108604 Expired - Lifetime CN2661922Y (en) | 2003-12-04 | 2003-12-04 | Cutter head actuating device of eccentric multishaft type development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2661922Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967980A (en) * | 2010-05-17 | 2011-02-09 | 浙江大学 | Cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control |
| 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 |
| CN102797472A (en) * | 2012-06-21 | 2012-11-28 | 中铁十三局集团有限公司 | Method for controlling construction posture of tunnel boring machine (TBM) in downhill inclined shaft |
| CN103174432A (en) * | 2013-03-18 | 2013-06-26 | 中国铁建重工集团有限公司 | Cutting disc driving device used for tunnel engineering machinery |
| CN103437776A (en) * | 2013-09-12 | 2013-12-11 | 甘忠荣 | Handpiece of tunnel borer and tunnel borer with same |
| RU2777772C1 (en) * | 2019-11-05 | 2022-08-09 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Roadheader with an eccentric cutter, capable of destroying rock along a set trajectory without affecting the support operation |
-
2003
- 2003-12-04 CN CN 200320108604 patent/CN2661922Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101967980A (en) * | 2010-05-17 | 2011-02-09 | 浙江大学 | Cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control |
| CN101967980B (en) * | 2010-05-17 | 2012-12-12 | 浙江大学 | Cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control |
| CN102797472A (en) * | 2012-06-21 | 2012-11-28 | 中铁十三局集团有限公司 | Method for controlling construction posture of tunnel boring machine (TBM) in downhill inclined shaft |
| CN103174432A (en) * | 2013-03-18 | 2013-06-26 | 中国铁建重工集团有限公司 | Cutting disc driving device used for tunnel engineering machinery |
| CN103174432B (en) * | 2013-03-18 | 2016-01-27 | 中国铁建重工集团有限公司 | For the cutterhead driving device of construction of tunnel machinery |
| CN103437776A (en) * | 2013-09-12 | 2013-12-11 | 甘忠荣 | Handpiece of tunnel borer and tunnel borer with same |
| RU2777772C1 (en) * | 2019-11-05 | 2022-08-09 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Roadheader with an eccentric cutter, capable of destroying rock along a set trajectory without affecting the support operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090513 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |