CN202971760U - Double-drive type tunnel tunneling machine reducer - Google Patents

Double-drive type tunnel tunneling machine reducer Download PDF

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Publication number
CN202971760U
CN202971760U CN 201220677741 CN201220677741U CN202971760U CN 202971760 U CN202971760 U CN 202971760U CN 201220677741 CN201220677741 CN 201220677741 CN 201220677741 U CN201220677741 U CN 201220677741U CN 202971760 U CN202971760 U CN 202971760U
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China
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gear
power
input
output
double
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Expired - Fee Related
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CN 201220677741
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Chinese (zh)
Inventor
孙伟
魏静
涂文平
王庆国
丁鑫
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Dalian University of Technology
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Dalian University of Technology
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Abstract

The utility model discloses a double-drive type tunnel tunneling machine reducer. A double input differential motion structure and an N-W type transmission output mechanism are adopted, input power is converged by a differential motion mechanism and outputted to a second-stage small gear by a connecting shaft, the small gear is meshed with three large gears which are distributed in a periphery mode to achieve power transmission and bypass flow, the large gears drive a third-stage gear to rotate by a common shaft, and the gear is meshed with a common inner gear ring to achieve converging output. Under normal operation, a large motor is driven, a small motor is brake, and the large motor is outputted at rated power. When soil and rock resisting moment is too large or even collapses, the large motor and the small motor are simultaneously driven to achieve that a tunnel tunneling machine gets rid, and an N-W type transmission mode is adopted by the second-stage small gear and the third-stage small gear. The double-drive type tunnel tunneling machine reducer simplifies structure, reduces the meshing points, and improves loading performance. The double-drive type tunnel tunneling machine reducer has the advantages of being large in reduction ratio, small in size, light in weight, simple in structure and the like, and capable of achieving low-speed large-torque output.

Description

A kind of double-driving rock tunnel(ling) machine retarder
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 shield-tunneling construction, because shield-tunneling construction has safety, reliable, environmetal impact is little, labor intensity is low, earth volume is few, the efficient advantages of higher, use very extensive in fields such as city rail, water conservancy, municipal engineering, mine, highway, railway tunnel.Because rock tunnel(ling) machine is constructed under the complexity of being everlasting, abominable working environment, so driving and the transmission system of rock tunnel(ling) machine are had relatively high expectations, require it can withstand heavy load and large impact, and possess the functions such as high-power, low-speed big output; 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 prior art, rock tunnel(ling) machine need to be realized 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 into the unexpected increase of the native stone resisting moment situation such as even subside in order to tackle in working procedure cutterhead, only has 30% ~ 40% of rated power during the drive motor normal operation, in the situation of getting rid of poverty, driving power just reaches rated power, adopt the common cutter head support that drives of a plurality of speed variator systems and a plurality of power input, and the velocity ratio in order to realize that system is large usually adopts 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.During this retarder real work, motor is in low load operation, 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, in gear and public ring gear, engagement realizes confluxing output, large motor driving during normal operation, the small motor braking, large motor rated power output, when occurring that native stone resisting moment is excessive even subsides, large motor, small motor drives simultaneously, realize that rock tunnel(ling) machine gets 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 coordinates in the circumferencial direction transmission by spline joint with pinion shaft, pinion shaft is fixedly supported in 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 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 box body hole by left and right 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, installation and maintenance simultaneously 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 diagram.
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 with the input sun gear 7 at circumferencial direction by realizing that with coupling 1 spline joint transmission coordinates, coupling 1 is fixedly supported on 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 with the input external gear 11 at circumferencial direction by realizing that with coupling 4 spline joints transmission coordinates, coupling 4 is fixedly supported on 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 coordinate in the circumferencial direction transmission by spline joint with pinion shaft 17, pinion shaft is fixedly supported in 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 the interior engagement driving of ring gear 19, 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 is fixedly connected with at circumferencial direction with pto=power take-off 23, thereby realize power output, wherein output gear shaft 21 is connected on 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 coordinate 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 is fixedly connected with at circumferencial direction with pto=power take-off 23, 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, 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 coordinate 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 is fixedly connected with at circumferencial direction with pto=power take-off 23, 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, switched in opposite due to 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 during normal operation, the small motor braking, large motor rated power output, when occurring that native stone resisting moment is excessive even subsides, large motor, small motor drives simultaneously, realize that rock tunnel(ling) machine gets 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.

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 coordinates in the circumferencial direction transmission by spline joint with pinion shaft, pinion shaft is fixedly supported in 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 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 box body hole by left and right two terminal circle taper roller bearing, and the pto=power take-off outlet side passes casing place encapsulation process.
CN 201220677741 2012-12-11 2012-12-11 Double-drive type tunnel tunneling machine reducer Expired - Fee Related CN202971760U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103967497A (en) * 2014-04-09 2014-08-06 浙江大学 Shield tunneling machine cutterhead driving system based on hydro-viscous drive
CN108561147A (en) * 2018-04-22 2018-09-21 谢志坚 A kind of Used in Shallow Mining Tunnel with Large Span construction equipment
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
CN112013097A (en) * 2020-09-16 2020-12-01 重庆齿轮箱有限责任公司 Design method of double-mode main driving gear box of shield tunneling machine and gear box

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103967497A (en) * 2014-04-09 2014-08-06 浙江大学 Shield tunneling machine cutterhead driving system based on hydro-viscous drive
CN103967497B (en) * 2014-04-09 2016-04-20 浙江大学 Based on the cutter drive system of shield machine of hydro-viscous drive
CN108561147A (en) * 2018-04-22 2018-09-21 谢志坚 A kind of Used in Shallow Mining Tunnel with Large Span construction equipment
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
CN112013097A (en) * 2020-09-16 2020-12-01 重庆齿轮箱有限责任公司 Design method of double-mode main driving gear box of shield tunneling machine and gear box
CN112013097B (en) * 2020-09-16 2022-03-01 重庆齿轮箱有限责任公司 Design method of double-mode main driving gear box of shield tunneling machine and gear box

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Granted publication date: 20130605

Termination date: 20131211