CN103016633A - Dual-drive tunnel heading machine speed reducer - Google Patents
Dual-drive tunnel heading machine speed reducer Download PDFInfo
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- CN103016633A CN103016633A CN2012105291004A CN201210529100A CN103016633A CN 103016633 A CN103016633 A CN 103016633A CN 2012105291004 A CN2012105291004 A CN 2012105291004A CN 201210529100 A CN201210529100 A CN 201210529100A CN 103016633 A CN103016633 A CN 103016633A
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Abstract
The invention discloses a dual-drive tunnel heading machine speed reducer. The speed reducer adopts a dual-input differential motion structure and an N-W type transmission output mechanism, the input motive power is converged through a differential motion mechanism and is output to a second-stage pinion through a connecting shaft, the pinion is externally engaged with three gearwheels in circumference distribution for realizing the power transmission and flow division, the gearwheels drive the rotation of a third-stage gear through a public shaft, the gears are internally engaged with a public inner tooth ring for realizing the convergence output, during the normal work, a large motor is used for driving, a small motor is used for braking, the large motor outputs at the rated power, when over-large soil and rock resistance moment or even collapse occurs, the large motor and the small motor are simultaneously used for driving, the difficulty escaping of a tunnel heading machine is realized, and in addition, the second and third states adopt the N-W type transmission mode. The dual-drive tunnel heading machine speed reducer has the advantages that the structure is simplified, the engagement point number is reduced, the uniform load performance is improved, the advantages of great reduction ratio, small size, light weight, simple structure and the like are also realized, and the low-speed large-torque output can be realized.
Description
Technical field
The present invention relates to a kind of rock tunnel(ling) machine retarder, particularly a kind of rock tunnel(ling) machine retarder.
Background technique
Rock tunnel(ling) machine is the main construction plant in the shield-tunneling construction, since shield-tunneling construction have safety, reliable, environmetal impact is little, labor intensity is low, earth volume is few, the efficient advantages of higher, uses very extensive in fields such as city rail, water conservancy, municipal engineering, mine, highway, railway tunnel.Because rock tunnel(ling) machine is constructed, so driving and the transmission system of rock tunnel(ling) machine are had relatively high expectations, requires it can withstand heavy load and large impact, and possesses the function such as high-power, low-speed big output under the complexity of being everlasting, abominable working environment; And these require to require accordingly also higher for material, manufacturing and the processing of driving mechanism.
Drive system is as the important component part of rock tunnel(ling) machine, for the performance of shield structure material impact arranged.In the prior art, rock tunnel(ling) machine needs to realize multiple output state and have the characteristics such as low speed, high pulling torque in order to adapt to different working environments.General method is, run in order to tackle in the working procedure cutterhead that native stone resisting moment increases suddenly even the situation such as subside, only has 30% ~ 40% of rated power during the drive motor normal operation, driving power just reaches rated power in the situation of getting rid of poverty, adopt the common cutter head support that drives of a plurality of speed variator systems and a plurality of power input, and for the large velocity ratio of realization system, usually adopt the multistage planet retarder.The problems such as thus, the motor normal operation time can't reach the ideal operation state, causes power dissipation and delivery efficiency low, and whole speed variator system volume is large, weight large, complex structure, installation and maintenance difficulty, and cost of material and processing cost are huge.
Chinese patent file CN 101413566A proposes a kind of third-level planetary reduction gear, this retarder is comprised of line of input star-wheel gear pair, middle planetary gear pair and output planetary gear pair, line of input star-wheel gear pair is inputted by sun gear, planet carrier output, drive the sun gear of middle planetary gear pair, the sun gear of the planet carrier output drive output stage of intergrade equally, last planet carrier outputting power by output stage.Motor is in low load operation during this retarder real work, and the planetary pinion auxiliary structure is complicated, and the planet wheel discontinuity is all carried poor performance.
Summary of the invention
The present invention will solve is deficiency for existing tunnel development machine retarder, double input difference structure and N-W type transmission output mechanism have been adopted, input power confluxes through differential attachment and exports second level small gear to by coupling shaft, three gearwheel outer gearings of small gear and circle distribution realize power transmission, shunting, gearwheel drives third level gear by common shaft and rotates, engagement realizes confluxing output in gear and the public ring gear, large motor driving during normal operation, the small motor braking, large motor rated power output, excessive even when subsiding when native stone resisting moment occurring, large motor, small motor drives simultaneously, the realization rock tunnel(ling) machine is got rid of poverty, and second, three grades are adopted N-W type type of belt drive, simplified structure, reducing engagement counts, improved and all carried performance, it is large that the present invention also has reduction speed ratio, volume is little, lightweight, advantages of simple structure and simple can realize low-speed big output.
A kind of double-driving rock tunnel(ling) machine retarder, comprise power input mechanism, power transmission mechanism and power take-off mechanism, power input mechanism is the differential type planetary gear train, comprises input external gear, input sun gear, line of input star-wheel, planet carrier and input gear ring;
Described input gear ring is provided with internal tooth and external tooth, input sun gear and the outer gearing of line of input star-wheel, the internal tooth engagement of line of input star-wheel and the interior ring gear of input, the input external gear meshes with the external tooth of input gear ring, and the planet wheel back shaft is connected with planet carrier axis hole interference fit.
The planet carrier of described differential type planetary gear train outputs power to pto＝power take-off by power transmission mechanism and power output structure;
Described power transmission mechanism and power take-off mechanism comprise the second level of transmission of power and the third level of power output;
The second level of described transmission of power comprises pinion shaft and gearwheel, pinion shaft and 3 gearwheel engagements that are evenly distributed at circumference, the planet carrier output terminal cooperates in the circumferencial direction transmission by spline joint with pinion shaft, pinion shaft is fixedly supported in the box body hole by ball bearing, and gearwheel and output gear shaft interference fit are connected to the circumferencial direction transmission;
The third level of described power output comprises output gear shaft and ring gear, engagement driving in output gear shaft and the ring gear, output gear shaft is fixedly supported in the casing lumen pore by left end ball bearing and right-hand member ball bearing, and described ring gear is fixedly connected with at circumferencial direction with pto＝power take-off.
Described ring gear is fixedly connected with at circumferencial direction with pto＝power take-off, and described pto＝power take-off (23) is supported in the box body hole by left and right sides two terminal circle taper roller bearing, and the pto＝power take-off outlet side passes casing place encapsulation process.
Beneficial effect: one, the form of Dual-motors Driving, differential input has been adopted in the power of drive system input, by changing the drive form of two motors, can obtain two kinds of output operating modes, can guarantee rock tunnel(ling) machine normal operation and guarantee that motor works in the ideal case when realizing getting rid of poverty; Two, the retarder second level, the third level have been adopted N-W type type of belt drive, reduced engagement and count when realizing large velocity ratio, have improved and have all carried performance; Three, compared to the drive form of traditional retarder, the present invention is satisfying under the working condition that equal output requires, and volume is little, lightweight, simple in structure, cost of material and manufacturing cost, simultaneously installation and maintenance also more convenient.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is driving mechanism sketch of the present invention.
Fig. 3 is rock tunnel(ling) machine drive system transmission schematic representation.
Fig. 4 is the distribution schematic diagram of a plurality of retarders of rock tunnel(ling) machine drive system.
Wherein: M1-power input assembly I, M2-power input assembly II, 1-coupling I, 2-break, 3-rolling bearing, 4-coupling II, 5-left end ball bearing, 6-planet carrier, 7-input sun gear, 8-nut, 9-Biserial cylindrical roller bearing, 10-line of input star-wheel, 11-input external gear, 12-input gear ring, 13-right-hand member ball bearing, 14-ball bearing I, 15-ball bearing II, 16-gearwheel, 17-pinion shaft, 18-ball bearing III, 19-ring gear, 20-fixing bolt, 21-output gear shaft, 22-tapered roller bearing I, 23-pto＝power take-off, 24-tapered roller bearing II, 25-casing, 26-retarder, 27-cutter head support, 28-cutterhead.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing and technological scheme.
Tunnel piercing owner drive system is generally by four, six or the input of eight retarder multichannels, jointly drive cutterhead, double-driving rock tunnel(ling) machine retarder of the present invention comprises power plant and variable ratio drive system, as shown in Figure 1, described power plant are the double input power plant, comprise that clutch end all arranges power input assembly I M1 and the power input assembly II M2 of braking device; Described variable ratio drive system comprises casing 25 and power input mechanism, power input mechanism is the differential type planetary gear train, comprise input external gear 11, coupling II 4, nut 8, left end ball bearing 5, right-hand member ball bearing 13, input sun gear 7, coupling 1, ball bearing 3, line of input star-wheel 10, planet carrier 6, Biserial cylindrical roller bearing 9 and input gear ring 12, described input gear ring is provided with internal tooth and external tooth, input sun gear 7 and 10 outer gearings of line of input star-wheel, the internal tooth engagement of line of input star-wheel 10 and input gear ring 12, input external gear 11 meshes with the external tooth of input gear ring 12, the clutch end of described power input assembly I M1 and input sun gear 7 at circumferencial direction by realizing that with coupling 1 spline joint transmission cooperates, coupling 1 is fixedly supported on the casing (25a) by rolling bearing 3, line of input star-wheel 10 relies on two pairs of Biserial cylindrical roller bearings 9 to be supported on the planet wheel back shaft, nut 8 axial restraints of Biserial cylindrical roller bearing 9 by being threaded with the planet wheel back shaft, the planet wheel back shaft is connected with planet carrier 6 axis hole interference fit, the clutch end of power input assembly II M2 and input external gear 11 at circumferencial direction by realizing that with coupling 4 spline joints transmission cooperates, coupling 4 is fixedly supported on the casing (25a) by left end ball bearing 5, input external gear 11 is in transmission connection by flat key and input shaft, input shaft is supported in the casing chamber by right-hand member bearing 13, the planet carrier 6 of differential type planetary gear train outputs power to pto＝power take-off 23 by transmission of power and output mechanism, as shown in Figure 3, the pto＝power take-off 23 of a plurality of retarders 26 by follow-up output mechanism with transmission of power to cutter head support 27, cutter head support 27 is driving cutterhead 28 rotations, cutting Tu Yan.
Further, described variable ratio drive system also comprises transmission of power and output mechanism, and the planet carrier of described differential type planetary gear train outputs power to pto＝power take-off by transmission of power and export structure; Described transmission of power and output mechanism comprise the second level of transmission of power and the third level of power output, the second level of described transmission of power comprises pinion shaft 17 and gearwheel 16, pinion shaft 17 and 3 gearwheels, 16 engagements that are evenly distributed at circumference, planet carrier 6 output terminals cooperate in the circumferencial direction transmission by spline joint with pinion shaft 17, pinion shaft is fixedly supported in the box body hole by ball bearing 14, and gearwheel 16 is connected to the circumferencial direction transmission with output gear shaft 21 interference fit; The third level of described power output comprises output gear shaft 21 and ring gear 19, output gear shaft 21 and ring gear 19 interior engagement driving, output gear shaft 21 is fixedly supported in the casing lumen pore by left end ball bearing 5 and right-hand member ball bearing 13, described ring gear 19 and pto＝power take-off 23 are fixedly connected with at circumferencial direction, thereby realize power output, wherein output gear shaft 21 is connected on the casing 25 by ball bearing II 15 and ball bearing III 18, and ring gear 19 and pto＝power take-off 23 are connected and fixed by fixing bolt 20.The pto＝power take-off of a plurality of retarders 26 by follow-up output mechanism with transmission of power to cutter head support 27, cutter head support 27 is driving cutterhead 28 rotation, cutting Tu Yan.
Mode of execution one.
Break 2 all is in closed state, power input assembly I M1 gives input sun gear 8 with transmission of power, sun gear drives the line of input star-wheel 10 with its engagement, autobiography and revolution occur in line of input star-wheel 10, and with transmission of power to planet carrier 6, planet carrier 6 is as the input of the second level, driving pinion shaft 17 rotates, pinion shaft 17 be evenly distributed three gearwheel 16 engagement driving at circumference, realize shunting, gearwheel 16 interference fit connecting sleeves cooperate in the circumferencial direction transmission at output gear shaft 21, output gear shaft 21 and ring gear 19 engagement driving, the realization effect of confluxing, ring gear 19 and pto＝power take-off 23 are fixedly connected with at circumferencial direction, thereby realize power output, the pto＝power take-off of a plurality of retarders 26 by follow-up output mechanism with transmission of power to cutter head support 27, cutter head support 27 is driving cutterhead 28 rotations, cutting Tu Yan, the operating mode when being applicable to the rock tunnel(ling) machine normal operation.
Mode of execution two.
Coupling I 1 and break 2 all are in disengaged position, power input assembly I M1 is identical with power input assembly II M2 sense of rotation, power input assembly I M1 gives input sun gear 7 with transmission of power, power input assembly II M2 gives transmission of power input external gear 11 and passes to input gear ring 12, the switched in opposite of input sun gear 7 and input gear ring 12, interflow effect by the differential type planetary gear train, planet carrier 6 is as the input of the second level, driving pinion shaft 17 rotates, pinion shaft 17 be evenly distributed three gearwheel 16 engagement driving at circumference, realize shunting, gearwheel 16 interference fit connecting sleeves cooperate in the circumferencial direction transmission at output gear shaft 21, output gear shaft 21 and ring gear 19 engagement driving, the realization effect of confluxing, ring gear 19 and pto＝power take-off 23 are fixedly connected with at circumferencial direction, thereby realize power output wherein.The pto＝power take-off of a plurality of retarders 26 by follow-up output mechanism with transmission of power to cutter head support 27, cutter head support 27 is driving cutterhead 28 rotations, cutting Tu Yan, because the switched in opposite of input sun gear 7 and input gear ring 12, this moment, output power was larger, be applicable to rock tunnel(ling) machine externally native rock resisting moment increase suddenly or the operating mode when subsiding.
A kind of rock tunnel(ling) machine retarder that possesses double input difference structure and N-W type transmission output mechanism of the present invention, large motor driving, small motor braking during normal operation, large motor rated power output, excessive even when subsiding when native stone resisting moment occurring, large motor, small motor drive simultaneously, the realization rock tunnel(ling) machine is got rid of poverty, and second and third level adopts N-W type type of belt drive, simplified structure, minimizing engagement are counted, improved and all carried performance, the present invention has also that reduction speed ratio is large, volume is little, lightweight, advantages of simple structure and simple, can realize low-speed big output.
Claims (3)
1. double-driving rock tunnel(ling) machine retarder, comprise power input mechanism, power transmission mechanism and power take-off mechanism is characterized in that: power input mechanism is differential type planetary gear train input external gear, input sun gear, line of input star-wheel, planet carrier and input gear ring;
Described input gear ring is provided with internal tooth and external tooth, input sun gear and the outer gearing of line of input star-wheel, the internal tooth engagement of line of input star-wheel and the interior ring gear of input, the input external gear meshes with the external tooth of input gear ring, and the planet wheel back shaft is connected with planet carrier axis hole interference fit.
2. double-driving rock tunnel(ling) machine retarder according to claim 1, it is characterized in that: the planet carrier of differential type planetary gear train outputs power to pto＝power take-off by power transmission mechanism and power output structure;
Described power transmission mechanism and power take-off mechanism comprise the second level of transmission of power and the third level of power output;
The second level of described transmission of power comprises pinion shaft and gearwheel, pinion shaft and 3 gearwheel engagements that are evenly distributed at circumference, the planet carrier output terminal cooperates in the circumferencial direction transmission by spline joint with pinion shaft, pinion shaft is fixedly supported in the box body hole by ball bearing, and gearwheel and output gear shaft interference fit are connected to the circumferencial direction transmission;
The third level of described power output comprises output gear shaft and ring gear, engagement driving in output gear shaft and the ring gear, output gear shaft is fixedly supported in the casing lumen pore by left end ball bearing and right-hand member ball bearing, and described ring gear is fixedly connected with at circumferencial direction with pto＝power take-off.
3. double-driving rock tunnel(ling) machine retarder according to claim 2, it is characterized in that: described ring gear is fixedly connected with at circumferencial direction with pto＝power take-off, described pto＝power take-off is supported in the box body hole by left and right sides two terminal circle taper roller bearing, and the pto＝power take-off outlet side passes casing place encapsulation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105291004A CN103016633A (en) | 2012-12-11 | 2012-12-11 | Dual-drive tunnel heading machine speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105291004A CN103016633A (en) | 2012-12-11 | 2012-12-11 | Dual-drive tunnel heading machine speed reducer |
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| CN103016633A true CN103016633A (en) | 2013-04-03 |
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| CN2012105291004A Pending CN103016633A (en) | 2012-12-11 | 2012-12-11 | Dual-drive tunnel heading machine speed reducer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776164A (en) * | 2015-03-24 | 2015-07-15 | 重庆电子工程职业学院 | Power driving device for construction machinery |
| CN110566633A (en) * | 2019-09-11 | 2019-12-13 | 中国重型机械研究院股份公司 | Double-source transmission system for high-speed continuous production of strips |
| CN111594214A (en) * | 2020-05-29 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Full-face tunneling machine and dual-drive system thereof |
| CN115370816A (en) * | 2022-10-24 | 2022-11-22 | 沈阳泰科流体控制有限公司 | Speed reducing mechanism of intelligent valve executing device |
Citations (2)
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| CN2821274Y (en) * | 2005-08-16 | 2006-09-27 | 姚培德 | Tubular motor planed gear speed reducer |
| US20090312134A1 (en) * | 2008-06-16 | 2009-12-17 | Benjamin Warren Schoon | Gear reducer electric motor assembly with internal brake |
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2012
- 2012-12-11 CN CN2012105291004A patent/CN103016633A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821274Y (en) * | 2005-08-16 | 2006-09-27 | 姚培德 | Tubular motor planed gear speed reducer |
| US20090312134A1 (en) * | 2008-06-16 | 2009-12-17 | Benjamin Warren Schoon | Gear reducer electric motor assembly with internal brake |
Non-Patent Citations (1)
| Title |
|---|
| 张国瑞 张展: "《行星传动技术》", 1 January 1989, article "行星差动减速器", pages: 154-158 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776164A (en) * | 2015-03-24 | 2015-07-15 | 重庆电子工程职业学院 | Power driving device for construction machinery |
| CN104776164B (en) * | 2015-03-24 | 2017-03-01 | 重庆电子工程职业学院 | Engineering machinery actuating unit |
| CN110566633A (en) * | 2019-09-11 | 2019-12-13 | 中国重型机械研究院股份公司 | Double-source transmission system for high-speed continuous production of strips |
| CN110566633B (en) * | 2019-09-11 | 2022-11-01 | 中国重型机械研究院股份公司 | Double-source transmission system for high-speed continuous production of strips |
| CN111594214A (en) * | 2020-05-29 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Full-face tunneling machine and dual-drive system thereof |
| CN115370816A (en) * | 2022-10-24 | 2022-11-22 | 沈阳泰科流体控制有限公司 | Speed reducing mechanism of intelligent valve executing device |
| CN115370816B (en) * | 2022-10-24 | 2023-01-10 | 沈阳泰科流体控制有限公司 | Speed reducing mechanism of intelligent valve executing device |
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Application publication date: 20130403 |