CN204140786U - The main driving retarder of 24 Wan Niu meter shield machine - Google Patents
The main driving retarder of 24 Wan Niu meter shield machine Download PDFInfo
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- CN204140786U CN204140786U CN201420505845.1U CN201420505845U CN204140786U CN 204140786 U CN204140786 U CN 204140786U CN 201420505845 U CN201420505845 U CN 201420505845U CN 204140786 U CN204140786 U CN 204140786U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 34
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- 208000032369 Primary transmission Diseases 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 230000005641 tunneling Effects 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 6
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Abstract
The main driving retarder of a kind of 24 Wan Niu meter shield machine, relate to technical field of engineering machinery, be mainly used in shield machine, employing motor inputs, three stage planetary reduction, export identical with input redirect, central gear exports, and described three stage planetary reduction comprises the first level transmission device, secondary transmission device and three gear stages that realize successively being in transmission connection; The utility model structure is simple, reasonable in design, transmission is surely average, and bear moment of torsion and can significantly improve, start the production domesticization beginning that Chinese tunneling shield owner drives retarder, breaking developed country to the blockade of Chinese TBM, shield machine main driving retarder technology and monopolization, filled up the blank that the main driving retarder of Shield Machine manufactures, having laid a solid foundation for founding national brand.
Description
Technical field
The utility model relates to technical field of engineering machinery, is specifically related to the main driving retarder of a kind of 24 Wan Niu meter shield machine.
Background technique
21 century is city to the epoch that are aerial and underground stereo Space Expanding, and world all attaches great importance to Urban Underground railway, the end wears the underground engineering constructions such as rivers tunnel.China's urban population is intensive, builds subway on a large scale in central city, is the fundamental way that each city traffic of solution blocks up.
As TBM, the shield machine of urban subway tunnel, highway, railway construction medium-and-large-sized no-dig technique cubic metre of earth and stone equipment, main driving retarder is wherein its key transmission part.And before this, only have Japan and American-European minority developed country to possess the production technology of this type of retarder.China's dependence on import always in the last thirty years, seriously constrains subway, highway, the cost of Concerning Railway Tunnel Construction and paces.
Chinese utility model patent 201210079129.7 discloses a kind of without cutter head type balancing earth-pressure shielding machine, its power plant are made up of transfer case and the retarder be connected with transfer case and drive motor, the front end being arranged in the transfer case of the actuating unit of the shield machine first half is fixed on the active clapboard in earth pressure balance cabin, and the retarder be connected with transfer case and drive motor are supported by sliding device.Although disclose use retarder in this disclosure, do not propose to adopt large power gearbox for shield machine.
Chinese Patent Application No. 200810231114.1, disclose a kind of high power third-level planetary reduction gear for balancing earth-pressure shielding machine, its retarder is secondary by input planet gear, intermediate planetary gear is secondary, output planetary gear pair combines, its structure can adopt powerful retarder to a certain extent, but the bearing capacity for 24 Wan Niu meter but reaches less than requiring, harsh execution conditions can not be met.
After consulting external relevant patent text, there is not relevant record for 24 Wan Niu meter shield machine main driving retarder simultaneously yet.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of stable drive, and bears the main driving retarder of 24 Wan Niu meter shield machine that moment of torsion can significantly improve.
Technical problem to be solved in the utility model realizes by the following technical solutions:
The main driving retarder of a kind of 24 Wan Niu meter shield machine, be mainly used in shield machine, employing motor inputs, three stage planetary reduction, export identical with input redirect, central gear exports, and described three stage planetary reduction comprises the first level transmission device, secondary transmission device and three gear stages that realize successively being in transmission connection;
Described first level transmission device comprises the input spline housing be connected with motor output end, one end of described input spline housing is connected to one-level sun gear, described one-level sun gear exports one end and is connected with primary planet wheel, described primary planet wheel is connected with primary planet carrier, described primary planet carrier is connected with primary annulus, motor imports one-level sun gear by input spline housing into the moment of torsion of motor, moment of torsion takes turns transmission by one-level sun gear to primary planet, primary planet wheel is not only from revolving round the sun along primary annulus in rotation, moment of torsion is taken turns by primary planet and is passed to primary planet carrier, primary transmission is always than i
1=5.4,
Described secondary transmission device comprises the secondary solar gear be in transmission connection with primary planet carrier, described secondary solar gear is connected with secondary planet wheel, described secondary planet wheel is connected to secondary planet frame, described secondary planet frame is connected with secondary gear ring, moment of torsion imports secondary solar gear into by primary planet carrier, then moment of torsion takes turns transmission by secondary solar gear to secondary planet, secondary planet wheel is not only from revolving round the sun along secondary gear ring in autobiography, moment of torsion is taken turns by secondary planet and is passed to secondary planet frame, and secondary transmission is always than i
2=4.25;
Described three gear stages comprise the three grades of sun gears be in transmission connection with secondary planet frame, described three grades of sun gears are connected with third-level planetary wheel, described third-level planetary wheel is connected with third-level planetary frame, described third-level planetary frame is connected with three grades of gear rings, moment of torsion imports three grades of sun gears into by secondary planet frame, then moment of torsion takes turns transmission by three grades of sun gears to third-level planetary, third-level planetary wheel is not only from revolving round the sun along three grades of gear rings in rotation, moment of torsion is taken turns by third-level planetary and is passed to third-level planetary frame, and three grades of transmissions are always than i
3=4.95, finally pass to output gear shaft by third-level planetary frame, then exported the moment of torsion of 240,000 NM by the gearwheel on gear shaft; Gearwheel modulus 25, the number of teeth 15, total velocity ratio is i=113.9.
The spline input of described three grades of sun gear particular design, gear exports, in the middle of three grades of sun gears, roller bearing is housed, more steady when making three grades of sun gear transmitting torques, the rotation of described third-level planetary frame adopts deep-groove ball spacing, the rotation of conventional planetary frame is freely, and this kind of structure makes transmission more steady, and bears moment of torsion and can significantly improve.
Described spline housing is rejected the spline tooth at three positions in uniform way, four spline tooths are rejected at each rejecting position, this spline housing passes to one-level sun gear moment of torsion, because transmitting torque is herein minimum, if transmitting inefficacy is herein minimum on the impact of whole shield machine, therefore the utility model is exactly the number of teeth that minimizing spline housing engages with one-level sun gear, 12 are just decreased like this with the number of teeth that coordinates of one-level sun gear, when shield machine moment of torsion infinitely increases, the position allowing it lose efficacy at first is exactly the cooperation place of spline housing and one-level sun gear, cause the damage of spline housing, spline housing is easy to again change, so just effectively can protect the strength member in shield machine, sacrifice the easily changeable part of spline housing.
The beneficial effects of the utility model are: the utility model structure is simple, reasonable in design, transmission is surely average, and bear moment of torsion and can significantly improve, start the production domesticization beginning that Chinese tunneling shield owner drives retarder, breaking developed country to the blockade of Chinese TBM, shield machine main driving retarder technology and monopolization, filled up the blank that the main driving retarder of Shield Machine manufactures, having laid a solid foundation for founding national brand.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1, the main application of 240,000 NM of the present utility model main driving retarder is shield machine, and adopt motor input, three stage planetary reduction, exports identical with input redirect, and central gear exports; Three stage planetary reduction comprises the first level transmission device 1, secondary transmission device 2 and three gear stages 3 that realize successively being in transmission connection;
Motor imports one-level sun gear 1-1 by input spline housing 1-0 into the moment of torsion of motor, moment of torsion is taken turns 1-2 by one-level sun gear 1-1 to primary planet and is transmitted, primary planet wheel 1-2 is not only from revolving round the sun along primary annulus 1-4 in rotation, moment of torsion is taken turns 1-2 by primary planet again and is passed to primary planet carrier 1-3, this section of transmission is first level transmission device, and primary transmission is always than i1=5.4;
Moment of torsion imports secondary solar gear 2-1 into by primary planet carrier 1-3, then moment of torsion takes turns 2-2 transmission by secondary solar gear 2-1 to secondary planet, secondary planet wheel 2-2 is not only from revolving round the sun along secondary gear ring 2-4 in autobiography, moment of torsion is taken turns 2-2 by secondary planet again and is passed to secondary planet frame 2-3, this section of transmission is secondary transmission device, and secondary transmission is always than i2=4.25;
Moment of torsion imports three grades of sun gear 3-1 into by secondary planet frame 2-3, then moment of torsion takes turns 3-2 transmission by three grades of sun gear 3-1 to third-level planetary, third-level planetary wheel 3-2 is not only from revolving round the sun along three grades of gear ring 3-4 in rotation, moment of torsion is taken turns 3-2 by third-level planetary again and is passed to third-level planetary frame 3-3, this section of transmission is three gear stages, and three grades of transmissions are always than i3=4.95;
Finally pass to output gear shaft by third-level planetary frame 3-3, then exported the moment of torsion of 240,000 NM by the gearwheel on gear shaft; Gearwheel modulus 25, the number of teeth 15, total velocity ratio is i=113.9.
The spline input of three grades of sun gear 3-1 particular design, gear exports, roller bearing 3-5 is equipped with in centre, more steady when making three grades of sun gear 3-1 transmitting torques, and the rotation of third-level planetary frame 3-3 adopts deep-groove ball 3-6 spacing, the rotation of conventional planetary frame is freely, and this kind of structure makes transmission more steady, and bears moment of torsion and can significantly improve.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the main driving retarder of Wan Niu meter shield machine, be applied to shield machine, employing motor inputs, three stage planetary reduction, export identical with input redirect, central gear exports, and it is characterized in that: described three stage planetary reduction comprises the first level transmission device, secondary transmission device and three gear stages that realize successively being in transmission connection;
Described first level transmission device comprises the input spline housing be connected with motor output end, one end of described input spline housing is connected to one-level sun gear, described one-level sun gear exports one end and is connected with primary planet wheel, described primary planet wheel is connected with primary planet carrier, described primary planet carrier is connected with primary annulus, motor imports one-level sun gear by input spline housing into the moment of torsion of motor, moment of torsion takes turns transmission by one-level sun gear to primary planet, primary planet wheel is not only from revolving round the sun along primary annulus in rotation, moment of torsion is taken turns by primary planet and is passed to primary planet carrier, primary transmission is always than i
1=5.4,
Described secondary transmission device comprises the secondary solar gear be in transmission connection with primary planet carrier, described secondary solar gear is connected with secondary planet wheel, described secondary planet wheel is connected to secondary planet frame, described secondary planet frame is connected with secondary gear ring, moment of torsion imports secondary solar gear into by primary planet carrier, then moment of torsion takes turns transmission by secondary solar gear to secondary planet, secondary planet wheel is not only from revolving round the sun along secondary gear ring in autobiography, moment of torsion is taken turns by secondary planet and is passed to secondary planet frame, and secondary transmission is always than i
2=4.25;
Described three gear stages comprise the three grades of sun gears be in transmission connection with secondary planet frame, described three grades of sun gears are connected with third-level planetary wheel, described third-level planetary wheel is connected with third-level planetary frame, described third-level planetary frame is connected with three grades of gear rings, moment of torsion imports three grades of sun gears into by secondary planet frame, then moment of torsion takes turns transmission by three grades of sun gears to third-level planetary, third-level planetary wheel is not only from revolving round the sun along three grades of gear rings in rotation, moment of torsion is taken turns by third-level planetary and is passed to third-level planetary frame, and three grades of transmissions are always than i
3=4.95, finally pass to output gear shaft by third-level planetary frame, then exported the moment of torsion of 240,000 NM by the gearwheel on gear shaft; Gearwheel modulus 25, the number of teeth 15, total velocity ratio is i=113.9.
2. the main driving retarder of 24 Wan Niu meter shield machine according to claim 1, is characterized in that: in the middle of described three grades of sun gears, roller bearing is housed.
3. the main driving retarder of 24 Wan Niu meter shield machine according to claim 1, is characterized in that: the rotation of described third-level planetary frame adopts deep-groove ball spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505845.1U CN204140786U (en) | 2014-09-03 | 2014-09-03 | The main driving retarder of 24 Wan Niu meter shield machine |
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|---|---|---|---|
| CN201420505845.1U CN204140786U (en) | 2014-09-03 | 2014-09-03 | The main driving retarder of 24 Wan Niu meter shield machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235275A (en) * | 2014-09-03 | 2014-12-24 | 蚌埠市行星工程机械有限公司 | 240000 Nm shield machine main drive speed reducer |
| CN104989790A (en) * | 2015-07-01 | 2015-10-21 | 上海振华重工集团(南通)传动机械有限公司 | Main cutterhead driving gear box of shield tunneling machine |
-
2014
- 2014-09-03 CN CN201420505845.1U patent/CN204140786U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235275A (en) * | 2014-09-03 | 2014-12-24 | 蚌埠市行星工程机械有限公司 | 240000 Nm shield machine main drive speed reducer |
| CN104989790A (en) * | 2015-07-01 | 2015-10-21 | 上海振华重工集团(南通)传动机械有限公司 | Main cutterhead driving gear box of shield tunneling machine |
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Denomination of utility model: 240000 Nm shield machine main drive speed reducer Effective date of registration: 20160414 Granted publication date: 20150204 Pledgee: Bengbu financing guarantee Group Co., Ltd. Pledgor: Bengbu Planetary Engineering Machinery Co., Ltd. Registration number: 2016990000302 |
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Denomination of utility model: 240000 Nm shield machine main drive speed reducer Effective date of registration: 20180112 Granted publication date: 20150204 Pledgee: Bengbu hi tech Financing Company limited by guarantee Pledgor: Bengbu Planetary Engineering Machinery Co., Ltd. Registration number: 2018340000009 |
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Date of cancellation: 20190215 Granted publication date: 20150204 Pledgee: Bengbu Science and Technology Financing Guarantee Co., Ltd. Pledgor: Bengbu Planetary Engineering Machinery Co., Ltd. Registration number: 2018340000009 |
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Denomination of utility model: 240000 Nm shield machine main drive speed reducer Effective date of registration: 20190215 Granted publication date: 20150204 Pledgee: Bengbu Science and Technology Financing Guarantee Co., Ltd. Pledgor: Bengbu Planetary Engineering Machinery Co., Ltd. Registration number: 2019990000130 |
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Denomination of utility model: 240000 Nm shield machine main drive speed reducer Effective date of registration: 20200120 Granted publication date: 20150204 Pledgee: Bengbu Science and Technology Financing Guarantee Co., Ltd. Pledgor: Bengbu Planetary Engineering Machinery Co., Ltd. Registration number: Y2020990000085 |
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Date of cancellation: 20210121 Granted publication date: 20150204 Pledgee: Bengbu Science and Technology Financing Guarantee Co.,Ltd. Pledgor: BENGBU XINGXING ENGINEERING MACHINERY Co.,Ltd. Registration number: Y2020990000085 |
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Denomination of utility model: Main drive reducer of 240000 nm shield machine Effective date of registration: 20210127 Granted publication date: 20150204 Pledgee: Bengbu Science and Technology Financing Guarantee Co.,Ltd. Pledgor: BENGBU XINGXING ENGINEERING MACHINERY Co.,Ltd. Registration number: Y2021980000798 |
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Date of cancellation: 20220129 Granted publication date: 20150204 Pledgee: Bengbu Science and Technology Financing Guarantee Co.,Ltd. Pledgor: BENGBU XINGXING ENGINEERING MACHINERY Co.,Ltd. Registration number: Y2021980000798 |