CN104153785A - Variable parameter pressure balance shield tunneling machine cutter drive device - Google Patents
Variable parameter pressure balance shield tunneling machine cutter drive device Download PDFInfo
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- CN104153785A CN104153785A CN201410329913.8A CN201410329913A CN104153785A CN 104153785 A CN104153785 A CN 104153785A CN 201410329913 A CN201410329913 A CN 201410329913A CN 104153785 A CN104153785 A CN 104153785A
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Abstract
The invention discloses a variable parameter pressure balance shield tunneling machine cutter drive device comprising a drive box connected to a cutter, a reducer located in the drive box, a motor and a sealing and lubricating system. The drive box is a semi-closed annular box, the front end face is opened, the rear end is a sealed structure with a power drive mounting hole, the middle is in a hollow structure, the outside of the drive box is provided with a drive box flange, the drive box is fixedly connected with the shield body through a third stud and the drive box is provided with a main bearing, a drive ring, the reducer, the motor, a drive gear ring, a small drive gear, a sealing system and a lubricating system inside. Since the drive gear ring is separated from the inner ring of the main bearing, the drive gear ring can be machined and repaired independently; since the construction geological conditions are different, different requirements on output rotating speed and torque of the drive device of the shield tunneling machine cutter are provided, on the premise of never changing the reducer, the motor and a rear matched sleeve, the drive gear ring and the small drive gear are changed, the gear ratio is changed, the cutter drive device is capable of outputting drive parameters not used, cost for changing parts is reduced, and construction progress is accelerated.
Description
Technical field
Patent of the present invention relates to shield cutter and drives field, is specially a kind of variable element pressure balance drive unit of shield cutter head.
Background technology
Shield machine, is named as shielding tunnel excavator entirely, and shielding tunnel excavator has been widely used in the construction of tunnel such as subway, railway, highway, municipal administration, water power, and it is a kind of special engineering machinery of tunnel piercing.The shield machine using at present, the drive unit of its cutterhead is directly connected with power drive, and power drive is directly with movable knife disc to rotate, thereby carries out the driving in tunnel.Traditionally, the base bearing of drive unit and gear ring design is as a whole, although space has been saved in this kind of design, increased processing cost and maintenance cost; Because drive unit is in its life cycle, can under different working conditions, construct, the parameters such as the moment of torsion of cutterhead, rotating speed are had to different requirements, feed back to shield machine inside, just drive system, hydraulic pressure and control system are proposed to different technical requirementss, so just need to change the requirement that the parts such as base bearing in drive system, reductor, motor meet operating mode, cost dearly, and when changing the parts such as base bearing, reductor and motor, need to stop construction, the replacing of a large amount of parts, has extended construction speed.
Therefore, while tunneling according to shield machine, different working conditions, provide a kind of and can adjust cutter plate driver parameter, and reduce a large amount of part replacement such as reductor, motor, reducing construction cost, improve the pressure balance cutter driving device of shield machine of construction speed, has been a good problem to study.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of novel cutter driving device of shield machine, this cutterhead driving device base bearing is separated with gear ring, can effectively reduce maintenance cost; By changing connector, and do not need to change reductor, motor, i.e. exportable different moment of torsion and rotating speed, realize drive unit and export different parameter (rotating speed, moment of torsion), reduce and change component cost and the impact on construction speed, improve construction speed, reduce construction cost.
The object of the present invention is achieved like this:
Variable element pressure balance cutter driving device of shield machine, comprise the driving box 15 being connected with cutterhead, be positioned at reductor, motor and the sealed lubrication system of driving box 15, described driving box 15 is semiclosed annular casing, its front end face is opening shape, its rear end is the enclosed construction that leaves power drive installing hole, and its middle part is hollow-core construction; The outer setting of described driving box 15 has driving box flange, and driving box 15 is fixedly connected with by the 3rd stud 9 with shield body; Base bearing, driving ring, reductor, motor, driving gear ring, driving pinion, sealing system and lubricating system are installed in described driving box 15;
Described base bearing comprises base bearing inner ring 4 and base bearing outer ring 8, between base bearing inner ring 4 and base bearing outer ring 8, is bearing roller; Described base bearing outer ring 8 is fixedly connected with by the 4th stud 7 with driving box 15, with respect to driving box 15 transfixions; Base bearing inner ring 4 is fixedly connected with driving ring 5;
Described driving ring 5 is fixedly connected with cutter head support, driving gear ring 14 simultaneously; Cutterhead is installed on cutter head support; Described driving gear ring 14 and driving pinion 12 engagements;
Described driving ring 5 front ends are connected with base bearing inner ring 4 with cutterhead flange by the first stud 3, and rear end is connected with driving gear ring 14 by the second stud;
Described sealing system comprises external seal system 6 and interior sealing system 1; Described external seal system 6 is between driving ring 5 and driving box 15; Described interior sealing system 1 is between driving box 15 and large spacer ring 2; Described large spacer ring 2 and driving box 15 and driving ring 5 and shield body form Tu Cang jointly;
Described lubricating system comprises and is arranged on the main bearing lubrication path 10 being communicated with base bearing on driving box 15; With driving pinion 12 clutch shaft bearing lubrication channel 11 and the second lubricating bearings passage 13 that around bearing is communicated with.
positive beneficial effect:the present invention, by driving gear ring separated with the inner ring of base bearing, has realized and can, to driving gear ring, base bearing to carry out independent processing and maintenance, reduce maintenance cost.According to the demand of construction operating mode, not changing under the prerequisite of reductor, motor and the rear equipment such as supporting, can drive gear ring and driving pinion by replacing, realize different gearratios, reach two kinds of driver output parameters, reduce and change the cost of component and improve construction speed.
Accompanying drawing explanation
Fig. 1 is the structural representation one of invention;
Fig. 2 be Fig. 1 A-A to underneath drive than time structural representation one;
Fig. 3 is the A-A of Fig. 1 structural representation two during to high transmission ratio;
The sectional view schematic diagram of gear ring used and driven wheel when Fig. 4 is two kinds of different output parameters;
Fig. 5 is driving box structural representation of the present invention;
Fig. 6 is that the B-B of Fig. 5 is to sectional view;
Fig. 7 is driving ring schematic diagram of the present invention;
Fig. 8 is that the C-C of Fig. 7 is to sectional view;
In figure, be: interior sealing system 1, large spacer ring 2, the 3rd stud 3, base bearing inner ring 4, driving ring 5, external seal system 6, the 4th stud 7, base bearing outer ring 8, the 3rd stud 9, main bearing lubrication path 10, clutch shaft bearing lubrication channel 11, driving pinion 12, the second lubricating bearings passage 13, driving gear ring 14, driving box 15.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1, Figure 2, Figure 3 shows, variable element pressure balance cutter driving device of shield machine, comprise the driving box 15 being connected with cutterhead, be positioned at reductor, motor and the sealed lubrication system of driving box 15, described driving box 15 is semiclosed annular casing, its front end face is opening shape, and its rear end is the enclosed construction that leaves power drive installing hole, and its middle part is hollow-core construction; The outer setting of described driving box 15 has driving box flange, and driving box 15 is fixedly connected with by the 3rd stud 9 with shield body; Base bearing, driving ring, reductor, motor, driving gear ring, driving pinion, sealing system and lubricating system are installed in described driving box 15;
Described base bearing comprises base bearing inner ring 4 and base bearing outer ring 8, between base bearing inner ring 4 and base bearing outer ring 8, is bearing roller; Described base bearing outer ring 8 is fixedly connected with by the 4th stud 7 with driving box 15, with respect to driving box 15 transfixions; Base bearing inner ring 4 is fixedly connected with driving ring 5;
Described driving ring 5 is fixedly connected with cutter head support, driving gear ring 14 simultaneously; Cutterhead is installed on cutter head support, makes base bearing to whole cutterhead, play the effect of support; Described driving gear ring 14 and driving pinion 12 engagements;
As shown in Figure 7, Figure 8, described driving ring 5 front ends are connected with base bearing inner ring 4 with cutterhead flange by the first stud 3, and rear end is connected with driving gear ring 14 by the second stud;
Described sealing system comprises external seal system 6 and interior sealing system 1; Described external seal system 6 is between driving ring 5 and driving box 15; Described interior sealing system 1 is between driving box 15 and large spacer ring 2; Described large spacer ring 2 and driving box 15 and the common Tu Cang that forms of driving ring 5; Reduce the inner space of driving box 15, reduced gear oil use amount;
As shown in Figure 5, Figure 6, described lubricating system comprises and is arranged on the main bearing lubrication path 10 being communicated with base bearing on driving box 15; With driving pinion 12 clutch shaft bearing lubrication channel 11 and the second lubricating bearings passage 13 that around bearing is communicated with.
Owing to adopting above-mentioned design, can realize independent replacing or maintenance driving gear ring 14 and base bearing; The driving gear ring 14 with different reference diameters can be installed, install and the driving pinion 12 that drives gear ring 14 to mate simultaneously.As shown in Figure 4, be two kinds of driving gear ring 14 and driving pinions 12 that different collocation are used.
When shield machine carries out digging and advances, driving pinion drives and drives gear ring to rotate, and further drives driving ring, base bearing inner ring, cutter head support to rotate, and the cutterhead on cutter head support rotates under power drive, thereby excavates the earth in cutterhead the place ahead.Cutter driving device of shield machine of the present invention, has realized and has driven gear ring separated with the inner ring of base bearing, can process separately and keep in repair driving gear ring, effectively reduces processing maintenance cost;
When the different bid section construction of different geology, drive unit need to be exported two kinds of parameters (moment of torsion, rotating speed): when cutterhead needs the high pulling torque slow-speed of revolution, adopt the driving pinion as shown in Fig. 2 and Fig. 4 (a) and drive gear ring; When cutterhead needs the high rotating speed of little moment of torsion, adopt the driving pinion as shown in Fig. 3 and Fig. 4 (b) and drive gear ring.Above-mentioned design, not changing under the prerequisite of reductor, motor and the rear equipment such as supporting, only changes and drives gear ring and driving pinion, realizes different gearratios, reaches two kinds of driver output parameters.With respect to reductor, motor and the rear equipment such as supporting, change and drive the cost of gear ring and driving pinion very low.Therefore this cutter driving device of shield machine is adapted at the popularization of shield machine field.
Above case study on implementation is only for illustrating the preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; in the ken possessing at described field those of ordinary skill; any modification of doing within the spirit and principles in the present invention, be equal to and substitute and improvement etc., all should be considered as the application's protection domain.
Claims (8)
1. variable element pressure balance cutter driving device of shield machine, comprise the driving box (15) being connected with cutterhead, be positioned at reductor, motor and the sealed lubrication system of driving box (15), it is characterized in that: described driving box (15) is semiclosed annular casing, its front end face is opening shape, its rear end is the enclosed construction that leaves power drive installing hole, and its middle part is hollow-core construction; The outer setting of described driving box (15) has driving box flange, and driving box (15) is fixedly connected with by the 3rd stud (9) with shield body; Base bearing, driving ring, reductor, motor, driving gear ring, driving pinion, sealing system and lubricating system are installed in described driving box (15).
2. variable element pressure balance cutter driving device of shield machine according to claim 1, it is characterized in that: described base bearing comprises base bearing inner ring (4) and base bearing outer ring (8), is bearing roller between base bearing inner ring (4) and base bearing outer ring (8); Described base bearing outer ring (8) is fixedly connected with by the 4th stud (7) with driving box (15), with respect to driving box (15) transfixion; Base bearing inner ring (4) is fixedly connected with driving ring (5).
3. variable element pressure balance cutter driving device of shield machine according to claim 2, is characterized in that: described driving ring (5) is fixedly connected with cutter head support, driving gear ring (14) simultaneously; Cutterhead is installed on cutter head support; Described driving gear ring (14) and driving pinion (12) engagement.
4. variable element pressure balance cutter driving device of shield machine according to claim 2, it is characterized in that: described driving ring (5) front end is connected with base bearing inner ring (4) with cutterhead flange by the first stud (3), rear end is connected with driving gear ring (14) by the second stud.
5. variable element pressure balance cutter driving device of shield machine according to claim 1, is characterized in that: described sealing system comprises external seal system (6) and interior sealing system (1); Described external seal system (6) is positioned between driving ring (5) and driving box (15); Described interior sealing system (1) be positioned at driving box (15) and large spacer ring 2(it) between; Described large spacer ring (2) forms Tu Cang jointly with driving box (15) and driving ring (5).
6. variable element pressure balance cutter driving device of shield machine according to claim 1, is characterized in that: described lubricating system comprises that being arranged on driving box (15) goes up the main bearing lubrication passage (10) being communicated with base bearing; With driving pinion (12) the clutch shaft bearing lubrication channel (11) that around bearing is communicated with and the second lubricating bearings passage (13).
7. variable element pressure balance cutter driving device of shield machine according to claim 1, is characterized in that: described base bearing is separated with driving gear ring (14), drives gear ring (14) to change separately and to keep in repair.
8. variable element pressure balance cutter driving device of shield machine according to claim 3, it is characterized in that: described driving gear ring (14) and the replacing of driving pinion (12), realize cutterhead driving device gear ratio and change, export different parameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329913.8A CN104153785B (en) | 2014-07-11 | Variable element pressure balance cutter driving device of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329913.8A CN104153785B (en) | 2014-07-11 | Variable element pressure balance cutter driving device of shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104153785A true CN104153785A (en) | 2014-11-19 |
| CN104153785B CN104153785B (en) | 2016-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223964A (en) * | 2016-08-27 | 2016-12-14 | 中铁隧道集团有限公司 | A kind of main shaft seals of shield machine compress control method |
| CN110486028A (en) * | 2019-09-17 | 2019-11-22 | 一重集团大连工程技术有限公司 | Shield excavation machine main drive |
Citations (5)
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|---|---|---|---|---|
| CN103016655A (en) * | 2012-12-11 | 2013-04-03 | 大连理工大学 | Electromechanical-hydraulic composite type main drive system of tunnel boring machine |
| JP2013133663A (en) * | 2011-12-27 | 2013-07-08 | Kawasaki Heavy Ind Ltd | Cutter head driving device |
| CN103244136A (en) * | 2013-05-03 | 2013-08-14 | 中铁科工集团有限公司 | Shield tunneling machine drive box and production method thereof |
| US20130341998A1 (en) * | 2012-06-25 | 2013-12-26 | The Robbins Company | Tunnel boring machine with cutterhead support assembly supporting a variable number of drive systems |
| CN203531918U (en) * | 2013-10-31 | 2014-04-09 | 北方重工集团有限公司 | Fast-replacing-type tunnel boring machine (TBM) main drive sealing device |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013133663A (en) * | 2011-12-27 | 2013-07-08 | Kawasaki Heavy Ind Ltd | Cutter head driving device |
| US20130341998A1 (en) * | 2012-06-25 | 2013-12-26 | The Robbins Company | Tunnel boring machine with cutterhead support assembly supporting a variable number of drive systems |
| CN103016655A (en) * | 2012-12-11 | 2013-04-03 | 大连理工大学 | Electromechanical-hydraulic composite type main drive system of tunnel boring machine |
| CN103244136A (en) * | 2013-05-03 | 2013-08-14 | 中铁科工集团有限公司 | Shield tunneling machine drive box and production method thereof |
| CN203531918U (en) * | 2013-10-31 | 2014-04-09 | 北方重工集团有限公司 | Fast-replacing-type tunnel boring machine (TBM) main drive sealing device |
Non-Patent Citations (1)
| Title |
|---|
| 水利部科技推广中心: "《全断面岩石掘进机》", 31 August 2005 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223964A (en) * | 2016-08-27 | 2016-12-14 | 中铁隧道集团有限公司 | A kind of main shaft seals of shield machine compress control method |
| CN110486028A (en) * | 2019-09-17 | 2019-11-22 | 一重集团大连工程技术有限公司 | Shield excavation machine main drive |
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