CN102900782B - Torque overload protection device - Google Patents
Torque overload protection device Download PDFInfo
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- CN102900782B CN102900782B CN201210408795.0A CN201210408795A CN102900782B CN 102900782 B CN102900782 B CN 102900782B CN 201210408795 A CN201210408795 A CN 201210408795A CN 102900782 B CN102900782 B CN 102900782B
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- inner housing
- driven
- disc
- torque overload
- active friction
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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, when excessive torque, can not carry out overload protection to coupling.When for example, between gas turbine and generator set moment of torsion transmits, cause Gas Turbine Generating Units axle system to damage because bearing excessive torque.
To sum up, existing coupling causes Gas Turbine Generating Units axle system to damage because bearing excessive torque when moment of torsion transmits between gas turbine and generator set, and coupling cannot ensure that in transmitting rated torque axle system avoids damaging.
Summary of the invention
The present invention solves the problem that causes Gas Turbine Generating Units axle system to damage because bearing excessive torque between existing gas turbine and 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, multiple active friction disks and multiple driven disc, along the circumferential direction uniformly on driven flange be processed with multiple 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 multiple 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 multiple the second overcoat teeth, multiple active friction disks and multiple driven disc are all sleeved on the outer wall of inner housing, between adjacent two active friction disks, be provided with a driven disc, along the circumferential direction uniformly on each driven disc be processed with multiple the second inner sleeve teeth, inner housing and each driven disc are intermeshing, the two end part of inner housing are respectively set with a thrust disc, along the circumferential direction uniformly on each thrust disc be processed with multiple the 3rd inner sleeve teeth, inner housing and each thrust disc are intermeshing, frame is sleeved on 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, multiple active friction disks and multiple driven disc are all between frame and inner housing, between the thrust disc of same one end and supporting disk, be provided with a plane spring circle, on the outer ring surface of each active friction disk, along the circumferential direction go up uniform multiple the 3rd overcoat teeth that are processed with, on the inner ring surface of frame, along the circumferential direction go up uniform multiple the 4th inner sleeve teeth that are processed with, multiple 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, in the time that the moment of torsion of transmission exceedes carrying setting stall torque, between coupling friction plate, slide, in the situation that not disconnecting, only transmits power rated torque, thereby both effectively protected engine power turbine and generator transmission device, guarantee that again axle system has transmitted rated torque;
Specified delivering power when 3000 revs/min of the rated speeds of torque overload protective gear of the present invention can reach 25MW, and maximum transmission power when 3000 revs/min of rated speeds is 44MW, and maximum when maximum (top) speed is 3600 revs/min 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, and the safety can protect mechanical overload running when bearing excessive torque impact time, avoids device damage and shutdown loss, and transmission efficiency is high, safe and reliable.
Brief description of the 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 diagram of embodiment two; Fig. 4 is the main sectional view (partly cuing open) of active friction disk 2 in embodiment one; Fig. 5 is the main sectional view (partly cuing open) of driven disc 3 in embodiment one, and Fig. 6 is the main sectional view (partly cuing open) of thrust disc 4 in embodiment one.
Embodiment
Embodiment one: as 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, multiple active friction disks 2 and multiple driven disc 3, along the circumferential direction uniformly on driven flange 9 be processed with multiple 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 multiple 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 multiple the second overcoat tooth 6-2, multiple active friction disks 2 and multiple driven disc 3 are all sleeved on the outer wall of inner housing 6, between adjacent two active friction disks 2, be provided with a driven disc 3, along the circumferential direction uniformly on each driven disc 3 be processed with multiple 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 are respectively set with a thrust disc 4, along the circumferential direction uniformly on each thrust disc 4 be processed with multiple the 3rd inner sleeve tooth 4-1, inner housing 6 is intermeshing with each thrust disc 4, frame 1 is sleeved on 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, multiple active friction disks 2 and multiple driven disc 3 are all between frame 1 and inner housing 6, between the thrust disc 4 of same one end and supporting disk 8, be provided with a plane spring circle 5, on the outer ring surface of each active friction disk 2, along the circumferential direction go up uniform multiple the 3rd overcoat tooth 2-1 that are processed with, on the inner ring surface of frame 1, along the circumferential direction go up uniform multiple the 4th inner sleeve tooth 1-1 that are processed with, multiple active friction disks 2 are all intermeshing with frame 1.
Fastening flange 12 is fixed on frame 1 by multiple the first bolts 16, and supporting disk 8 is fixed on inner housing 6 by multiple the second bolts 7, on the first bolt 16 and the second bolt 7, is all set with locked spacer.
On active friction disk 2, be coated with the friction material that friction factor is high and wear-resisting property is good, belong to the harmless parts of frictional property; On the working surface that supporting disk 8 contacts with shell 1, scribble antifriction bronze coating, can prevent from occurring bite in the time that wearing and tearing occur coupling.
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 supporting disk 8 is corresponding with the positioning mark on 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 the multiple active friction disks 2 of present embodiment is 8～12.So design, can adjust the friction area of friction material by changing the quantity of 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 the multiple active friction disks 2 of present embodiment is 10.So design, can adjust the friction area of friction material by changing the quantity of active friction disk 2.Other composition and annexation are identical with embodiment three.
Embodiment five: as shown in Figure 2, torque overload protective gear 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 described in present embodiment.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 are identical with embodiment one, two or four.
Embodiment six: as shown in Figure 2, torque overload protective gear also comprises axle sleeve 10 described in present embodiment, and described axle sleeve 10 is packed on inner housing 6, and axle sleeve 10 is packed on 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 in the time that motor elastic coupling flexible coupling damages.Other composition and annexation are identical with embodiment five.
Working principle:
As shown in Fig. 1～6, the moment of torsion of transmission is in the time setting within the scope of stall torque, be delivered to the frame 1 of torque overload protective gear of the present invention from the moment of torsion of engine power turbine output, frame 1 is rotated, frame 1 rotarily drives and is engaged with multiple active friction disk 2 synchronous rotaries, multiple active friction disks 2 rotate by frictional force and drive multiple driven disc 3 synchronous rotaries, guarantee the impacting force between multiple active friction disks 2 and multiple driven disc 3 by two plane spring circles 5 simultaneously, multiple driven discs 3 rotate by frictional force and drive two thrust disc 4 synchronous rotaries, multiple 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, moment of torsion by the output of engine power turbine sends generator transmission device to,
Exceed to hold at the moment of torsion of transmission and set when stall torque, between multiple active friction disks 2 and multiple driven disc 3, slide, thereby only transmit rated torque in the situation that power is not disconnected, thereby effectively protected engine power turbine and generator transmission device.
Claims (4)
1. a 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), multiple active friction disks (2) and multiple driven disc (3), along the circumferential direction uniformly on driven flange (9) be processed with multiple 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 multiple 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 multiple the second overcoat teeth (6-2), multiple active friction disks (2) and multiple driven disc (3) are all sleeved on the outer wall of inner housing (6), between adjacent two active friction disks (2), be provided with a driven disc (3), along the circumferential direction uniformly on each driven disc (3) be processed with multiple 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) are respectively set with a thrust disc (4), along the circumferential direction uniformly on each thrust disc (4) be processed with multiple the 3rd inner sleeve teeth (4-1), inner housing (6) is intermeshing with each thrust disc (4), frame (1) is sleeved on 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), multiple active friction disks (2) and multiple driven disc (3) are all positioned between frame (1) and inner housing (6), be positioned between the thrust disc (4) of same one end and supporting disk (8) and be provided with a plane spring circle (5), on the outer ring surface of each active friction disk (2), along the circumferential direction go up uniform multiple the 3rd overcoat teeth (2-1) that are processed with, on the inner ring surface of frame (1), along the circumferential direction go up uniform multiple the 4th inner sleeve teeth (1-1) that are processed with, multiple active friction disks (2) are all intermeshing with frame (1), described torque overload protective gear also comprises regulating ring (11), between any one in two supporting disks (8) and inner housing (6), is provided with regulating ring (11), described torque overload protective gear also comprises axle sleeve (10), and described axle sleeve (10) is packed on inner housing (6).
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, is characterized in that: the quantity of multiple active friction disks (2) is 8～12.
4. torque overload protective gear according to claim 3, is characterized in that: the quantity of multiple active friction disks (2) is 10.
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 CN102900782A (en) | 2013-01-30 |
| CN102900782B true CN102900782B (en) | 2014-09-10 |
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ID=47573196
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| 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 |
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| CN (1) | CN102900782B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135039B (en) * | 2015-08-24 | 2017-12-29 | 上海阀门五厂有限公司 | A kind of torque overload control protection hand gear |
| PL3548225T3 (en) | 2016-11-30 | 2022-10-10 | 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 |
Family Cites Families (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 |
| US6874606B1 (en) * | 2003-10-30 | 2005-04-05 | Power Transmission Technology, Inc. | 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 |
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| CN102900782A (en) | 2013-01-30 |
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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. |