CN102900782A - Torque overload protection device - Google Patents
Torque overload protection device Download PDFInfo
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- CN102900782A CN102900782A CN2012104087950A CN201210408795A CN102900782A CN 102900782 A CN102900782 A CN 102900782A CN 2012104087950 A CN2012104087950 A CN 2012104087950A CN 201210408795 A CN201210408795 A CN 201210408795A CN 102900782 A CN102900782 A CN 102900782A
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- inner housing
- torque overload
- driven
- disc
- overload protective
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Abstract
The invention discloses a torque overload protection device, relates to a torque overload protection device, and solves the problem that too large torque born between the existing gas turbine and generator set results in damage to a shafting of the gas-turbine generator set. The torque overload protection device is characterized in that an inner casing is sleeved on a valve body of a driven flange and the inner casing and the valve body are engaged with each other; a plurality of driving friction discs and a plurality of driven discs are all sleeved on the outer wall of the inner casing; a driven disc is arranged between two adjacent driving friction discs, and each driven disc is engaged with the inner casing; thrust discs are each sleeved on one of the two ends of the inner casing, and the inner casing is engaged with each thrust disc; an outer casing is sleeved on the inner casing through two support discs; the support disc at the side of the driven flange is fixedly connected with the outer casing through a fixing flange; a flat spring ring is arranged between the thrust disc and the support disc on the same end; and the plurality of driving friction discs are all engaged with the outer casing. The torque overload protection device provided by the invention is used for torque transfer and torque overload protection.
Description
Technical field
The present invention relates to a kind of torque overload protective gear.
Background technique
The kind of coupling is a lot, but most of coupling can only transmit certain moment of torsion, can not carry out overload protection to coupling during excessive torque.Cause Gas Turbine Generating Units axle system to damage because bearing excessive torque when for example moment of torsion transmits between gas turbine and the generator set.
To sum up, cause Gas Turbine Generating Units axle system to damage because bearing excessive torque when existing coupling moment of torsion between gas turbine and generator set transmits, namely coupling can't guarantee that when transmitting rated torque axle system avoids damage.
Summary of the invention
The problem of the present invention for causing Gas Turbine Generating Units axle system to damage because bearing excessive torque between the existing gas turbine of solution and the generator set, and then a kind of torque overload protective gear is provided.
The present invention solves the problems of the technologies described above the technological scheme of taking to be: torque overload protective gear of the present invention comprises frame; inner housing; driven flange; fastening flange; two thrust discs; two plane spring circles; two supporting disks; a plurality of active friction disks and a plurality of driven disc; along the circumferential direction uniformly on the driven flange be processed with a plurality of the first overcoat teeth; the shape of cross section of inner housing is ring; along the circumferential direction uniformly on the inwall of inner housing be processed with a plurality of the first inner sleeve teeth; inner housing is sleeved on the valve body of driven flange and the two is intermeshing; along the circumferential direction uniformly on the outer wall of inner housing be processed with a plurality of the second overcoat teeth; a plurality of active friction disks and a plurality of driven disc all are sleeved on the outer wall of inner housing; be provided with a driven disc between adjacent two active friction disks; along the circumferential direction uniformly on each driven disc be processed with a plurality of the second inner sleeve teeth; inner housing and each driven disc are intermeshing; the two end part of inner housing respectively are set with a thrust disc; along the circumferential direction uniformly on each thrust disc be processed with a plurality of the 3rd inner sleeve teeth; inner housing and each thrust disc are intermeshing; frame is sleeved on the inner housing by two supporting disks; the supporting disk of driven flange one side is fixedly connected with by fastening flange with frame; two thrust discs; two plane spring circles; a plurality of active friction disks and a plurality of driven disc are all between frame and inner housing; between the thrust disc of same end and supporting disk, be provided with a plane spring circle; along the circumferential direction go up uniform a plurality of the 3rd overcoat teeth that are processed with on the outer ring surface of each active friction disk; along the circumferential direction go up uniform a plurality of the 4th inner sleeve teeth that are processed with on the inner ring surface of frame, a plurality of active friction disks are all intermeshing with frame.
The invention has the beneficial effects as follows:
Torque overload protective gear of the present invention belongs to the harmless pre-protection coupling of employing frictional property, coupling has presetted certain greatest limit moment, when the moment of torsion of transmission surpasses carrying setting stall torque, slide between the coupling friction plate, in the situation that power does not disconnect, only transmit rated torque, thereby both effectively protected engine power turbine and generator transmission device, guaranteed that again axle system has transmitted rated torque;
Specified delivering power during 3000 rev/mins of the rated speeds of torque overload protective gear of the present invention can reach 25MW, and the maximum transmission power during 3000 rev/mins of rated speeds is 44MW, and maximum when maximum (top) speed is 3600 rev/mins to transmit moment of torsion be 15
-1* 10
4Nm; Torque overload protective gear of the present invention has been realized high-power, high pulling torque transmission, bears the safety in the time of can protecting the mechanical overload running when excessive torque is impacted, and avoids device damage and shutdown loss, and transmission efficiency is high, safe and reliable.
Description of drawings
Fig. 1 is the stereogram of torque overload protective gear of the present invention; Fig. 2 is the main sectional view (partly cuing open) of torque overload protective gear of the present invention; Fig. 3 is the angle scale schematic representation of embodiment two; Fig. 4 is the main sectional view (partly cuing open) of active friction disk 2 in the embodiment one; Fig. 5 is the main sectional view (partly cuing open) of driven disc 3 in the embodiment one, and Fig. 6 is the main sectional view (partly cuing open) of thrust disc 4 in the embodiment one.
Embodiment
Embodiment one: shown in Fig. 1～6; the torque overload protective gear of present embodiment comprises frame 1; inner housing 6; driven flange 9; fastening flange 12; two thrust discs 4; two plane spring circles 5; two supporting disks 8; a plurality of active friction disks 2 and a plurality of driven disc 3; along the circumferential direction uniformly on the driven flange 9 be processed with a plurality of the first overcoat tooth 9-1; the shape of cross section of inner housing 6 is ring; along the circumferential direction uniformly on the inwall of inner housing 6 be processed with a plurality of the first inner sleeve tooth 6-1; inner housing 6 is sleeved on the valve body of driven flange 9 and the two is intermeshing; along the circumferential direction uniformly on the outer wall of inner housing 6 be processed with a plurality of the second overcoat tooth 6-2; a plurality of active friction disks 2 and a plurality of driven disc 3 all are sleeved on the outer wall of inner housing 6; be provided with a driven disc 3 between adjacent two active friction disks 2; along the circumferential direction uniformly on each driven disc 3 be processed with a plurality of the second inner sleeve tooth 3-1; inner housing 6 is intermeshing with each driven disc 3; the two end part of inner housing 6 respectively are set with a thrust disc 4; along the circumferential direction uniformly on each thrust disc 4 be processed with a plurality of the 3rd inner sleeve tooth 4-1; inner housing 6 is intermeshing with each thrust disc 4; frame 1 is sleeved on the inner housing 6 by two supporting disks 8; the supporting disk 8 of driven flange 9 one sides is fixedly connected with by fastening flange 12 with frame 1; two thrust discs 4; two plane spring circles 5; a plurality of active friction disks 2 and a plurality of driven disc 3 are all between frame 1 and inner housing 6; between the thrust disc 4 of same end and supporting disk 8, be provided with a plane spring circle 5; along the circumferential direction go up uniform a plurality of the 3rd overcoat tooth 2-1 that are processed with on the outer ring surface of each active friction disk 2; along the circumferential direction go up uniform a plurality of the 4th inner sleeve tooth 1-1 that are processed with on the inner ring surface of frame 1, a plurality of active friction disks 2 are all intermeshing with frame 1.
Fastening flange 12 is fixed on the frame 1 by a plurality of the first bolts 16, and supporting disk 8 is fixed on the inner housing 6 by a plurality of the second bolts 7, all is set with locked spacer on the first bolt 16 and the second bolt 7.
Be coated with the good friction material of friction factor height and wear-resisting property on the active friction disk 2, belong to the harmless parts of frictional property; Scribble antifriction bronze coating on supporting disk 8 and the working surface that shell 1 contacts, can prevent from when wearing and tearing occur coupling, occuring bite.
Embodiment two: as shown in Figure 3, present embodiment is positioned on the exterior edge face of supporting disk 8 of fastening flange 12 1 sides and is carved with angle scale 8-1.So arrange, the angle scale 8-1 on the supporting disk 8 is corresponding with positioning mark on the flange 12, and its numerical value is for detection of the wear condition of coupling.Other composition and annexation are identical with embodiment one.
Embodiment three: as shown in Figure 2, the quantity of a plurality of active friction disks 2 of present embodiment is 8～12.So design, can adjust the friction area of friction material by the quantity that changes active friction disk 2.Other composition and annexation are identical with embodiment one or two.
Embodiment four: as shown in Figure 2, the quantity of a plurality of active friction disks 2 of present embodiment is 10.So design, can adjust the friction area of friction material by the quantity that changes active friction disk 2.Other composition and annexation are identical with embodiment three.
Embodiment five: as shown in Figure 2, the described torque overload protective gear of present embodiment also comprises between any one and the inner housing 6 in 11, two supporting disks 8 of regulating ring and is provided with regulating ring 11.So design changes the decrement of plane spring circle 5 by the thickness of adjusting regulating ring 11, thereby regulates the slip moment of friction clutch.Other composition and annexation and embodiment one, two or four identical.
Embodiment six: as shown in Figure 2, the described torque overload protective gear of present embodiment also comprises axle sleeve 10, and described axle sleeve 10 is packed on the inner housing 6, and axle sleeve 10 is packed on the inner housing 6 by the 3rd bolt 14, is set with locked spacer on the 3rd bolt 14.So design, axle sleeve 10 is pre-protecting component, prevents that torque overload protective gear of the present invention from losing supporting when the motor elastic coupling flexible coupling damages.Other composition and annexation are identical with embodiment five.
Working principle:
Shown in Fig. 1～6, the moment of torsion of transmission is in setting the stall torque scope time, be delivered on the frame 1 of torque overload protective gear of the present invention from the moment of torsion of engine power turbine output, make frame 1 rotation, frame 1 rotarily drives and is engaged with a plurality of active friction disk 2 synchronous rotaries, a plurality of active friction disk 2 rotations drive a plurality of driven disc 3 synchronous rotaries by frictional force, guarantee impacting force between a plurality of active friction disks 2 and a plurality of driven disc 3 by two plane spring circles 5 simultaneously, a plurality of driven disc 3 rotations drive two thrust disc 4 synchronous rotaries by frictional force, a plurality of driven discs 3 and two thrust discs 4 rotarily drive inner housing 6 synchronous rotaries that are engaged with, inner housing 6 rotarily drives driven flange 9 synchronous rotaries that are engaged with, driven flange 9 rotarily drives the rotation of generator transmission device, and the moment of torsion that is about to the output of engine power turbine sends the generator transmission device to;
Surpass at the moment of torsion of transmission and to hold when setting stall torque, slide between a plurality of active friction disks 2 and a plurality of driven disc 3, thereby only transmit rated torque in the situation that power is not disconnected, thereby effectively protected engine power turbine and generator transmission device.
Claims (6)
1. torque overload protective gear; it is characterized in that: described torque overload protective gear comprises frame (1); inner housing (6); driven flange (9); fastening flange (12); two thrust discs (4); two plane spring circles (5); two supporting disks (8); a plurality of active friction disks (2) and a plurality of driven disc (3); along the circumferential direction uniformly on the driven flange (9) be processed with a plurality of the first overcoat teeth (9-1); the shape of cross section of inner housing (6) is ring; along the circumferential direction uniformly on the inwall of inner housing (6) be processed with a plurality of the first inner sleeve teeth (6-1); inner housing (6) is sleeved on the valve body of driven flange (9) and the two is intermeshing; along the circumferential direction uniformly on the outer wall of inner housing (6) be processed with a plurality of the second overcoat teeth (6-2); a plurality of active friction disks (2) and a plurality of driven disc (3) all are sleeved on the outer wall of inner housing (6); be provided with a driven disc (3) between adjacent two active friction disks (2); along the circumferential direction uniformly on each driven disc (3) be processed with a plurality of the second inner sleeve teeth (3-1); inner housing (6) is intermeshing with each driven disc (3); the two end part of inner housing (6) respectively are set with a thrust disc (4); along the circumferential direction uniformly on each thrust disc (4) be processed with a plurality of the 3rd inner sleeve teeth (4-1); inner housing (6) is intermeshing with each thrust disc (4); frame (1) is sleeved on the inner housing (6) by two supporting disks (8); the supporting disk (8) of driven flange (9) one sides is fixedly connected with by fastening flange (12) with frame (1); two thrust discs (4); two plane spring circles (5); a plurality of active friction disks (2) and a plurality of driven disc (3) all are positioned between frame (1) and the inner housing (6); be positioned between the thrust disc (4) of same end and the supporting disk (8) and be provided with a plane spring circle (5); along the circumferential direction go up uniform a plurality of the 3rd overcoat teeth (2-1) that are processed with on the outer ring surface of each active friction disk (2); along the circumferential direction go up uniform a plurality of the 4th inner sleeve teeth (1-1) that are processed with on the inner ring surface of frame (1), a plurality of active friction disks (2) are all intermeshing with frame (1).
2. torque overload protective gear according to claim 1 is characterized in that: be positioned on the exterior edge face of supporting disk (8) of fastening flange (12) one sides and be carved with angle scale (8-1).
3. torque overload protective gear according to claim 1 and 2, it is characterized in that: the quantity of a plurality of active friction disks (2) is 8～12.
4. torque overload protective gear according to claim 3, it is characterized in that: the quantity of a plurality of active friction disks (2) is 10.
5. according to claim 1,2 or 4 described torque overload protective gears; it is characterized in that: described torque overload protective gear also comprises regulating ring (11), is provided with regulating ring (11) between any one in two supporting disks (8) and the inner housing (6).
6. torque overload protective gear according to claim 5, it is characterized in that: described torque overload protective gear also comprises axle sleeve (10), described axle sleeve (10) is packed on the inner housing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408795.0A CN102900782B (en) | 2012-10-24 | 2012-10-24 | Torque overload protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408795.0A CN102900782B (en) | 2012-10-24 | 2012-10-24 | Torque overload protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102900782A true CN102900782A (en) | 2013-01-30 |
| CN102900782B CN102900782B (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210408795.0A Active CN102900782B (en) | 2012-10-24 | 2012-10-24 | Torque overload protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102900782B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135039A (en) * | 2015-08-24 | 2015-12-09 | 上海阀门五厂有限公司 | Manual torque overload control and protection device |
| CN109488704A (en) * | 2019-01-05 | 2019-03-19 | 中国船舶重工集团公司第七0三研究所 | A kind of friction is super to turn round protection structure |
| CN109595268A (en) * | 2019-02-11 | 2019-04-09 | 中国船舶重工集团公司第七0三研究所 | A kind of large torque rubs more super turns round protection structure |
| US10738836B2 (en) | 2016-11-30 | 2020-08-11 | Saint-Gobain Performance Plastics Rencol Limited | Adjustable torque assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05199735A (en) * | 1992-01-21 | 1993-08-06 | Fuji Oozx Kk | Eddy current joint |
| US5688176A (en) * | 1995-06-12 | 1997-11-18 | Power Transmission Technology, Inc. | Multiple disk torque limiter for hollow shaft motors |
| CN1611807A (en) * | 2003-10-30 | 2005-05-04 | Pt技术公司 | Torque limiting clutch having centrifugally regulated characteristic torque |
| UA48634C2 (en) * | 2001-10-29 | 2005-05-16 | Public Corp Mariupol Metallurg | Friction clutch of limiting torque |
| CN201461812U (en) * | 2009-08-17 | 2010-05-12 | 中国船舶重工集团公司第七一三研究所 | Moment limitation safety device |
| CN202301525U (en) * | 2011-09-28 | 2012-07-04 | 麻城市辉达机械有限公司 | Friction coupling |
| CN202732784U (en) * | 2012-08-09 | 2013-02-13 | 杭州前进齿轮箱集团股份有限公司 | Large torque safety device |
| CN202851735U (en) * | 2012-10-24 | 2013-04-03 | 中国船舶重工集团公司第七�三研究所 | Torque overloaded protection device |
-
2012
- 2012-10-24 CN CN201210408795.0A patent/CN102900782B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05199735A (en) * | 1992-01-21 | 1993-08-06 | Fuji Oozx Kk | Eddy current joint |
| US5688176A (en) * | 1995-06-12 | 1997-11-18 | Power Transmission Technology, Inc. | Multiple disk torque limiter for hollow shaft motors |
| UA48634C2 (en) * | 2001-10-29 | 2005-05-16 | Public Corp Mariupol Metallurg | Friction clutch of limiting torque |
| CN1611807A (en) * | 2003-10-30 | 2005-05-04 | Pt技术公司 | Torque limiting clutch having centrifugally regulated characteristic torque |
| CN201461812U (en) * | 2009-08-17 | 2010-05-12 | 中国船舶重工集团公司第七一三研究所 | Moment limitation safety device |
| CN202301525U (en) * | 2011-09-28 | 2012-07-04 | 麻城市辉达机械有限公司 | Friction coupling |
| CN202732784U (en) * | 2012-08-09 | 2013-02-13 | 杭州前进齿轮箱集团股份有限公司 | Large torque safety device |
| CN202851735U (en) * | 2012-10-24 | 2013-04-03 | 中国船舶重工集团公司第七�三研究所 | Torque overloaded protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135039A (en) * | 2015-08-24 | 2015-12-09 | 上海阀门五厂有限公司 | Manual torque overload control and protection device |
| US10738836B2 (en) | 2016-11-30 | 2020-08-11 | Saint-Gobain Performance Plastics Rencol Limited | Adjustable torque assembly |
| CN109488704A (en) * | 2019-01-05 | 2019-03-19 | 中国船舶重工集团公司第七0三研究所 | A kind of friction is super to turn round protection structure |
| CN109595268A (en) * | 2019-02-11 | 2019-04-09 | 中国船舶重工集团公司第七0三研究所 | A kind of large torque rubs more super turns round protection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102900782B (en) | 2014-09-10 |
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Effective date of registration: 20160114 Address after: 150090 No. 35, Honghu Road, Yingbin Road, Harbin hi tech Development Zone, Heilongjiang, China Patentee after: Harbin broad power technology development Co., Ltd. Address before: 150036 Hongqi Street, Xiangfang District, Heilongjiang, China, No. 108, No. Patentee before: No.703 Inst. China Ship Heavy Industry Group Co. |