CN105387143A - Double-area type distribution output air-cooling small-tooth-difference reduction box of shield tunneling machine - Google Patents
Double-area type distribution output air-cooling small-tooth-difference reduction box of shield tunneling machine Download PDFInfo
- Publication number
- CN105387143A CN105387143A CN201510880567.7A CN201510880567A CN105387143A CN 105387143 A CN105387143 A CN 105387143A CN 201510880567 A CN201510880567 A CN 201510880567A CN 105387143 A CN105387143 A CN 105387143A
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- zone
- meshing zone
- meshing
- engagement area
- double
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/01—Monitoring wear or stress of gearing elements, e.g. for triggering maintenance
- F16H2057/012—Monitoring wear or stress of gearing elements, e.g. for triggering maintenance of gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
The invention relates to the technical field of speed reduction of shield tunneling machines, and discloses a double-area type distribution output air-cooling small-tooth-difference reduction box of a shield tunneling machine. The double-area type distribution output air-cooling small-tooth-difference reduction box comprises a vertical machine base, an inner cylinder and a transmission piece. The double-area type distribution output air-cooling small-tooth-difference reduction box is characterized in that the inner cylinder is a double-area type thin-walled cylinder and comprises an engagement area and a non-engagement area; the inner diameter of the engagement area is 40-80 mm smaller than that of the non-engagement area; an outer flange of the engagement area is connected with an inner flange of the vertical machine base; the annular wall of the non-engagement area is connected with an outer flange of the vertical machine base; a closed interlayer is defined by the inner surface of the vertical machine base and the outer surface of the engagement area; the non-engagement area is arranged outside the input end of the vertical machine base; an air inlet is formed in the top of the vertical machine base, and an air outlet is formed in the bottom of the vertical machine base; a butterfly valve is arranged at the bottom of the non-engagement area; an oil temperature sensor is arranged in the non-engagement area; two distribution gears are arranged between an output shaft gear and a big gear ring of a cutterhead. The double-area type distribution output air-cooling small-tooth-difference reduction box has the beneficial effects that the thermal power is improved; impurities in oil can slide into an oil pool in the non-engagement area so that iron powder in the oil can be taken out regularly; the oil temperature variation can be known at any time through the oil temperature sensor; the bearing capacity is doubled so that the number of assembled reduction boxes can be reduced by half.
Description
Technical field
The present invention relates to balancing earth-pressure shielding machine special retarding technical field, is the improvement of " soil pressure balance shield machine cycloid speed reducer " ZL201110091247.5, and a kind of shield machine dual zone type shunting exports air-cooled few teeth difference speed reducer.
The present invention introduces two and shunts gear between speed reducer output drive gear and cutter head of shield machine bull gear, makes speed reducer bearing power increase one times, and thus can reduce by half assembling, saves the foreign exchange expenditure of a considerable import third-level planetary reduction gear.
Background technique
National 863 " full face tunnel boring machine key technology " sub-problem " balancing earth-pressure shielding machine large power gearbox ", rests in company's hands such as German extra large Rake, Wei Erte, U.S. Luo Binsi and Mitsubishi for a long time.
Balancing earth-pressure shielding machine is most advanced tunnel construction machinery on our times, and " retarder " is then the core component of shield machine, the long-term dependence on import of China.Balancing earth-pressure shielding machine price several ten million, works in rugged environment throughout the year out of doors, therefore with it the greatest difficulty of supporting retarder be to use reliable, the life-span is long and height lightweight (small volume, high pulling torque).
" balancing earth-pressure shielding machine large power gearbox " third-level planetary cascaded structure of adopting abroad, the light weight degree of external product is far above domestic existing planetary reducer.Such as, " balancing earth-pressure shielding machine large power gearbox " National 863 plan (2007 ~ 2010) that certain company bears, its structure and parameter is imitative from external product: first order 25-20-65, second level 27-21-69, third level 24-24-72, output speed n=10.64rpm, output torque T=76237Nm, model machine external form Φ 570 × 900, weight 1012kg, be respectively 61% and 55% (seeing University Of Chongqing's thesis for the doctorate " the large power gearbox Numerical Simulation Analysis based on balancing earth-pressure shielding machine ") of NBD-560 type second planetary reducer.
The National 863 project " high power third-level planetary reduction gear for balancing earth-pressure shielding machine " (200810231114.1) of patent of invention " soil pressure balance shield machine cycloid speed reducer " the ZL201110091247.5 ratio of the present inventor, its beneficial effect is: axial dimension is than third-level planetary reduction gear shortening 45 ~ 55%, low cost of manufacture.
Summary of the invention
The present invention is the improvement of " soil pressure balance shield machine cycloid speed reducer " ZL201110091247.5, and a kind of shield machine dual zone type shunting exports air-cooled few teeth difference speed reducer, its objective is: can reduce by half assembling speed reducer; Improve thermal power; Regularly can remove the irony powder in Run lubricating oil, increase the service life and oil temperature sensor realize oil temperature report to the police.
The beneficial effect that the present invention adopts single-stage cycloidal to replace three stage planetary reduction is shortening axial dimension, structure is simple, cost reduces.Theoretical foundation is: " gear handbook " (on) 8-3 page: cycloid η=0.93 ~ 0.95; Zhu Xiaolu " Gear Transmission Design handbook " 6 pages, " gear handbook " upper 1-12 page; Cycloid efficiency eta=0.9 ~ 0.98 ≈ 0.94.
Research finds, my invention " soil pressure balance shield machine cycloid speed reducer " ZL201110091247.5 ignores most important " thermal power " problem, do not relate to the technological scheme solving retarder thermal power in patent of invention, paper " earth pressure balanced shield, EPBS planetary reducer thermal equilibrium analysis and temperature rise control research " (15 pages) is pointed out:
" shield machine planetary reducer transmitted power is large, and volume is little, and the underground construction closed, radiating condition is poor, if the heat produced can not be dissipated in surrounding environment in time, lubricating oil temperature can be caused too high, On Gear Scoring was lost efficacy.”
Paper 63 pages: " earth pressure balanced shield, EPBS planetary reducer is in enclosed space, adopts which kind of method the heat of generation to be dissipated in time, normally runs significant to guarantee shield machine.”
In order to realize the object of patent of invention, the present invention adopts following technological scheme:
The present invention adopts following technological scheme:
(technological scheme one) inner cylinder is dual zone type thin walled cylinder, comprise meshing zone and non-meshing zone, wherein meshing zone is put into from vertical support 1 input end, meshing zone flange circle is connected with vertical support inner flange circle, non-meshing zone is placed in outside vertical support, the annulus wall of non-meshing zone is connected with vertical support outward flange circle, vertical support internal surface and meshing zone outer surface enclose and are connected into airtight interlayer, vertical support top is provided with intake grill, the bottom of vertical support is provided with exhaust outlet, internal diameter 30mm ~ the 60mm less of the internal diameter of non-meshing zone of meshing zone, the wind of shield machine air feed system is introduced casing closed interlayer, closed interlayer cooling capacity is large, the effect improving thermal power is much better than wind cooled,
With second and third bearing supporting output shaft in the output terminal center hole of (technological scheme two) dual zone type thin walled cylinder meshing zone, the input end endoporus of meshing zone connects ring gear, thus meshing zone is the active region of power, the oil sump of dual zone type thin walled cylinder forms drop in meshing zone and inner chamber jointing place, non-meshing zone, the beneficial effect of drop is, be mixed into the iron filings of lubricant oil in driving component meshing zone, fine impurities " can slip into " the oil sump of non-meshing zone continually from meshing zone oil sump, non-meshing zone input end connects large end cap;
Butterfly valve is provided with bottom the non-meshing zone of (technological scheme three) dual zone type thin walled cylinder, butterfly valve comprises the circular channel bottom valve rod and non-meshing zone, the circular butterfly plate that valve rod connects can rotate in circular channel, the end of circular channel is provided with lubricating cup, be magnetic in lubricating cup thing, rotation valve rod-circular butterfly plate, can regularly take out the irony powder be mixed in Run lubricating oil;
Be provided with oil temperature sensor in (technological scheme four) non-meshing zone, supervisor understands the change of speed reducer oil temperature at any time;
Gears meshing is shunted in (technological scheme five) driving gear and both sides, and shunting gear engages with the large-scale ring gear of circular cutting disk.The theoretical foundation of the technical solution adopted in the present invention is as follows:
(A) thesis for the doctorate " earth pressure balanced shield, EPBS planetary reducer thermal equilibrium analysis and temperature rise control research " provides theoretical foundation for air cooling improves thermal power.Paper is pointed out:
" 76 pages: the thermal equilibrium of wind speed to planetary gear train has material impact, along with the increasing of cooling wind speed, planetary transmission system heat balance time shortens, and when wind speed is respectively 10m/s and 14m/s, then heat balance time is respectively 6 hours and 4.5 hours.”
" 93 pages: the wind speed in tunnel regulates by shield machine air feed system, therefore this paper proposition wind speed regulation and control shield machine planetary reducer temperature rise.”；
(B) theoretical research shows, the engagement pair in transmission, occurs that flank of tooth loss is inevitable:
Upper 103 pages of (a) Shanghai Machinery College " Fundamentals of Machine Design ": " gear transmission equipment is pulled down after using a period of time can find that wear trace appears in tooth surface; lubricating under poor or the impure condition of lubricant oil especially; wear phenomenon is more obvious; gear teeth root weares and teares, and seriously, comparatively gearwheel is serious again in small gear wearing and tearing at comparatively top.Wearing and tearing cause owing to having active force and relative sliding between surface of contact.There is relative sliding length Δ S between flank profil, shown that flank profil will be worn and torn.”
(b) Zhu Xiaolu " Gear Transmission Design handbook " 94 pages: in power gear transmission, tooth surface due to skimming wear, burn into overheated etc., thus occur that flank of tooth loss is inevitable.
(C) butterfly valve makes open-shut device with circular butterfly plate and rotates a kind of valve opening, cut out and regulate fluid passage with valve rod.The butterfly plate of butterfly valve is installed on the diametric(al) of pipeline.In butterfly valve body cylindrical channel, disc butterfly plate rotates around valve rod axis, and angle of swing is 0 ° ~ 90 °, and when rotating to 90 °, valve is standard-sized sheet then.
Advantageous Effects the present invention can produce following Advantageous Effects known to those skilled in the art;
(1) shunt engagement pair and make speed reducer bearing power increase one times, the assembling speed reducer that thus can reduce by half saves foreign exchange;
(2) wind of shield machine air feed system is introduced casing closed interlayer, closed interlayer cooling capacity is large, heat diffusion area throughout whole casing, easy to adjust, reliability is high, low cost of manufacture, the effect most importantly improving thermal power is much better than wind cooled;
(3) dual zone type thin walled cylinder forms a drop in meshing zone and jointing place, non-meshing zone, and the beneficial effect of drop is the iron filings be mixed in lubricant oil, fine impurities can " slip into " the oil sump of non-meshing zone from meshing zone oil sump;
(4) regularly the irony powder be mixed in Run lubricating oil can be taken out, oil temperature sensor, understand the change of speed reducer oil temperature at any time;
Accompanying drawing explanation
Fig. 1 embodiment of the present invention structural representation
Fig. 2 the present invention is that five speed reduceres " output drive gear-shunting gear-cutter head of shield machine bull gear " extremely flow schematic diagram
Embodiment encyclopaedizes the present invention below in conjunction with accompanying drawing:
With reference to Fig. 1, a kind of shield machine dual zone type shunting exports air-cooled few teeth difference speed reducer, comprise vertical support 1, inner cylinder and the driving component be located in inner cylinder, driving component comprises input shaft 11, output shaft 4, planet wheel, pin 5, ring gear 8 and be located at input shaft 11 axle stretch end, the double-eccentric shaft of supporting planetary wheel holds 10, described input shaft 11 clutch shaft bearing 13 is bearing in large end cap 14 endoporus, described output shaft 4 axle stretch end connects the driving gear 12 engaged with the large-scale ring gear of shield machine circular cutting disk, described planet wheel four is identical, comprise the planet wheel 6 that the identical planet wheel of both sides phase place 9 is identical with middle two panels phase place, both sides planet wheel 9 and middle cycloid wheel 6 phase difference 180 °, one end close-fitting of described pin 5 is on output shaft 4 disk, the other end close-fitting of pin 5 all carries ring 15, pin 5 is established the three identical circles 16 that all carry are placed between two between cycloid wheel respectively, it is characterized in that:
Described inner cylinder is dual zone type thin walled cylinder 2, comprise meshing zone and non-meshing zone, internal diameter 40mm ~ the 80mm less of the internal diameter of non-meshing zone of described meshing zone, described meshing zone outward flange circle is connected fastening with vertical support 1 inner flange circle, the annulus wall of described non-meshing zone is connected fastening with vertical support 1 outward flange circle, described vertical support 1 internal surface and meshing zone outer surface enclose and are connected into airtight interlayer, described non-meshing zone is placed in outside vertical support 1 input end, described vertical support 1 top is provided with intake grill 18, the bottom of vertical support 1 is provided with exhaust outlet 19, closed interlayer cooling capacity is large, heat diffusion area is throughout whole casing, easy to adjust, reliability is high, cost is low, the effect improving thermal power is much better than wind cooled,
With second and third bearing 3,7 supporting output shaft 4 in the output terminal center hole of described dual zone type thin walled cylinder 2 meshing zone, the input end endoporus of meshing zone connects ring gear 8, thus meshing zone is the active region of power, the oil sump of dual zone type thin walled cylinder 2 forms drop, the effect of drop in meshing zone and inner chamber jointing place, non-meshing zone; Be mixed into the iron filings in oil, fine impurities " can slip into " the oil sump of non-meshing zone from meshing zone oil sump continually, thus ensure that the turbidity test of meshing zone lubricant oil to the full extent, clean lubricant oil is the very key factor of speed reducer running, and non-meshing zone input end connects large end cap 14;
Butterfly valve is provided with bottom the non-meshing zone of described dual zone type thin walled cylinder 2, butterfly valve comprises the circular channel 21 bottom valve rod 17 and non-meshing zone, the circular butterfly plate that valve rod 17 connects can rotate in circular channel 21, the end of circular channel 21 connects detachable lubricating cup 20, be magnetic in lubricating cup 20 thing, butterfly valve makes open-shut device with circular butterfly plate and rotate with valve rod to open, close and regulate a kind of valve of fluid passage, the butterfly plate of butterfly valve is installed on the diametric(al) of pipeline, in butterfly valve body cylindrical channel, disc butterfly plate rotates around valve rod axis, angle of swing is 0 ° ~ 90 °, when rotating to 90 °, valve is standard-sized sheet then, thus can regularly the irony powder be mixed in Run lubricating oil be taken out: rotation valve rod-circular butterfly plate closes non-meshing zone oil sump circular channel, pull down lubricating cup, pour out the irony powder of Magnetic Materials absorption in lubricating cup,
Oil temperature sensor is provided with in the non-meshing zone of described dual zone type thin walled cylinder 2, the eye of oil temperature sensor G as people is fine, oil temperature change in the gear-box watching tens meters high attentively, oil temperature is retarder run well very key factor, this is because: gear wear to timing oil temperature can start to raise; Bearing wear to one timing oil temperature can start to raise; When in casing, oil mass reduces, oil temperature can start to raise; Bearing wear illustrates that lubricant oil is dirty, is mixed into foul, comprises iron powder and mud powder in the dirty explanation lubricant oil of lubricant oil, and iron powder meaning gear starts wearing and tearing; Oil temperature raises makes oil viscosity reduce, oil is thinning, and greasy property is influenced;
Mazy type vent hood M is established at the top, non-meshing zone of described dual zone type thin walled cylinder 2.
Described shield machine dual zone type shunting exports air-cooled few teeth difference speed reducer, it is characterized in that; First and second identical with its both sides of described driving gear 12 is shunted gear 22,24 and is engaged, and first and second shunting gear 22,24 described engages with the large-scale ring gear of shield machine circular cutting disk.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (2)
1. a shield machine dual zone type shunting exports air-cooled few teeth difference speed reducer, comprise vertical support (1), inner cylinder and the driving component be located in inner cylinder, driving component comprises input shaft (11), output shaft (4), planet wheel, pin (5), ring gear (8) and be located at input shaft (11) axle stretch end, the double-eccentric shaft of supporting planetary wheel holds (10), input shaft (11) clutch shaft bearing (13) is bearing in large end cap (14) endoporus, output shaft (4) axle stretch end connection for transmission gear (12), planet wheel four is identical, comprise the planet wheel (6) that the identical planet wheel of both sides phase place (9) is identical with middle two panels phase place, both sides planet wheel (9) and middle planetary take turns (6) phase difference 180 °, one end close-fitting of described pin (5) is on output shaft (4) disk, the other end close-fitting of pin (5) all carries ring (15), pin (5) is established the three identical circles (16) that all carry are placed between two between planet wheel respectively, it is characterized in that:
Described inner cylinder is dual zone type thin walled cylinder (2), comprise meshing zone and non-meshing zone, internal diameter 40mm ~ the 80mm less of the internal diameter of non-meshing zone of described meshing zone, described meshing zone outward flange circle is connected fastening with vertical support (1) inner flange circle, the annulus wall of described non-meshing zone is connected fastening with vertical support (1) outward flange circle, described vertical support (1) internal surface and meshing zone outer surface enclose and are connected into airtight interlayer, described non-meshing zone is placed in outside vertical support (1) input end, described vertical support (1) top is provided with intake grill (18), the bottom of vertical support (1) is provided with exhaust outlet (19),
With second and third bearing (3,7) supporting output shaft (4) in the output terminal center hole of described dual zone type thin walled cylinder (2) meshing zone, the input end endoporus of meshing zone connects ring gear (8), thus meshing zone is the active region of power, the oil sump of dual zone type thin walled cylinder (2) forms drop in meshing zone and inner chamber jointing place, non-meshing zone, and non-meshing zone input end connects large end cap (14);
Butterfly valve is provided with bottom the non-meshing zone of described dual zone type thin walled cylinder (2), butterfly valve comprises the circular channel (21) bottom valve rod (17) and non-meshing zone, the upper circular butterfly plate connected of valve rod (17) can rotate in circular channel (21), the end of circular channel (21) connects detachable lubricating cup (20), and be magnetic in lubricating cup (20) thing;
Be provided with oil temperature sensor in the non-meshing zone of described dual zone type thin walled cylinder (2), mazy type vent hood M is established at the top, non-meshing zone of described dual zone type thin walled cylinder 2.
2. shield machine dual zone type shunting according to claim 1 exports air-cooled few teeth difference speed reducer, it is characterized in that: first and second identical with its both sides of described driving gear (12) is shunted gear (22,24) and engaged, first and second shunting gear (22,24) described is engaged with the large-scale ring gear of shield machine circular cutting disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510880567.7A CN105387143A (en) | 2015-11-25 | 2015-11-25 | Double-area type distribution output air-cooling small-tooth-difference reduction box of shield tunneling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510880567.7A CN105387143A (en) | 2015-11-25 | 2015-11-25 | Double-area type distribution output air-cooling small-tooth-difference reduction box of shield tunneling machine |
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| Publication Number | Publication Date |
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| CN105387143A true CN105387143A (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510880567.7A Pending CN105387143A (en) | 2015-11-25 | 2015-11-25 | Double-area type distribution output air-cooling small-tooth-difference reduction box of shield tunneling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468782A (en) * | 2017-12-04 | 2018-08-31 | 陈伟 | Shield machine few teeth difference speed reducer |
| CN108468757A (en) * | 2017-12-04 | 2018-08-31 | 陈伟 | The deceleration device for making the big bearing of shield machine reduce |
-
2015
- 2015-11-25 CN CN201510880567.7A patent/CN105387143A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468782A (en) * | 2017-12-04 | 2018-08-31 | 陈伟 | Shield machine few teeth difference speed reducer |
| CN108468757A (en) * | 2017-12-04 | 2018-08-31 | 陈伟 | The deceleration device for making the big bearing of shield machine reduce |
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Application publication date: 20160309 |
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