CN105485196A - Torque limiter provided with gear friction plates - Google Patents
Torque limiter provided with gear friction plates Download PDFInfo
- Publication number
- CN105485196A CN105485196A CN201511005443.0A CN201511005443A CN105485196A CN 105485196 A CN105485196 A CN 105485196A CN 201511005443 A CN201511005443 A CN 201511005443A CN 105485196 A CN105485196 A CN 105485196A
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- China
- Prior art keywords
- gear
- disc spring
- coupling
- spring seat
- torque limiter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000010168 coupling process Methods 0.000 claims abstract description 32
- 238000005859 coupling reaction Methods 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses a torque limiter provided with gear friction plates. The torque limiter comprises a half-coupling, a shaft sleeve and an inner gear ring, one end of the half-coupling is provided with a female end, and the half-coupling is fixedly connected with the inner gear ring in a mode that a first screw penetrates a first axial screw hole and a second axial screw hole; the shaft sleeve is provided with a flange, the flange is provided with a male end, a gear is arranged at the other side, corresponding to the half-coupling, of the flange, a bushing is arranged at the inner side of the gear, the bushing is sleeved with the shaft sleeve, a pressing plate, a disc spring, a disc spring seat and an adjusting nut are sequentially arranged at the other side, corresponding to the flange, of the gear, and a second screw penetrates a third axial screw hole and is fixed to the disc spring seat through a threaded hole in the disc spring seat; the friction plates are arranged between the gear and the flange as well as between the gear and the pressing plate respectively; the inner side of the inner gear ring is meshed with the outer side of the gear. The torque limiter is compact in structure, reasonable in design, easy and convenient to operate and capable of effectively preventing mechanical damage, so that huge shutdown losses are avoided.
Description
Technical field
The present invention relates to technical field of mechanical transmission, specifically refer to a kind of torque limiter with gear friction plate.
Background technique
Existing crown gear coupling has two pairs of gears meshing to connect transmitting torque, and crown gear coupling can transmitting large torque.In equipment running process, often there will be overload phenomenon, cause the damage of equipment, demolition and maintenance difficulty.
Transship to prevent equipment operation and damage, there is such technological scheme in the past, in the middle of coupling, one group of safety pin is installed, drive end connects with a connecting flange, connecting flange is connected by safety pin with the connecting flange of the other end, driven end is arranged on the connecting flange of the other end, drives working shaft to rotate.During work, after the drive end be connected with motor rotates, drive connecting flange to rotate, the other end connecting flange is driven by safety pin and rotates, and driven end is rotated, thus drives working shaft to rotate, and achieves the running of machinery.When there is the situation of transshipping in process in working, under torsional interaction, safety pin is cut off, and protects machine by cutting off of safety pin.Although motor can continue to drive drive end to rotate, because safety pin is cut off, thus drive end idle running, driven end stops operating, and the working shaft be therefore connected with driven end does not rotate, thus avoids occurring because overload causes motor or other important parts to damage.
Although this structure has the effect of overload protection; but it can cause the damage of safety pin and connection part; needing after the safety pin that again more renews could normal work, and situation about recovering during overload postscript for moment is not resumed work the function of state automatically, easily causes long shutdown.In addition, the structure of this overload protection, does not regulate the effect of overload protection as required, the regular damage frequently causing safety pin that can arrange due to overload protection power, or the long-term of safety pin is not damaged, and does not reach the effect of overload protection.
Therefore, provide a kind of structure simple, be connected compact, operation is with the torque limiter of gear friction plate to seem necessary easily.
Summary of the invention
Object of the present invention is exactly to provide the torque limiter that a kind of structure is simple, be connected compact, operate band gear friction plate easily.
For achieving the above object, the torque limiter of the band gear friction plate designed by the present invention, comprise half-coupling, axle sleeve and ring gear, one end of half-coupling is provided with inner stopper, one end of half-coupling is also circumferentially evenly provided with the first axial screw, ring gear is provided with the second axial screw corresponding with first of half-coupling the axial screw, half-coupling is fixedly connected with the second axial screw through the first axial screw by the first screw with ring gear, axle sleeve is provided with the edge of a wing extended laterally, the edge of a wing is provided with the outer stopper coordinated with inner stopper, the edge of a wing opposite side corresponding with half-coupling is provided with gear, the inner side of gear is provided with lining, lining is set on axle sleeve, the opposite side that gear is corresponding with the edge of a wing is disposed with pressing plate, disc spring, disc spring seat, adjusting nut, one end of disc spring is fixedly connected with pressing plate, the other end of disc spring is fixedly connected with one end of disc spring seat, the other end of disc spring seat is provided with the tapped hole do not run through, adjusting nut is set on axle sleeve, adjusting nut is circumferentially evenly provided with the 3rd axial screw, second screw is fixed on disc spring seat through the 3rd axial screw by the tapped hole on disc spring seat, the opposite side that adjusting nut is corresponding with disc spring seat also arranges locking nut, friction plate is provided with between gear and the edge of a wing, between gear and pressing plate, the inner side of ring gear is engaged with the outside of gear.
Preferably, one end of half-coupling is circumferentially evenly provided with four the first axial screws.
Further, adjusting nut is circumferentially evenly provided with four the 3rd axial screws.
Further, friction plate is the friction plate of powder metallurgy material.
Advantage of the present invention is mainly reflected in following several respects:
One, the present invention is simple and compact for structure, reasonable in design, can realize principal and subordinate moved end and separate fast;
Its two, the present invention is when machine loading vibration, overload or mechanical failure cause actual torque to exceed torque setting value, and limit driving torque in sliding manner, situation is resumed work after disappearing automatically, need not go setting again, easy and simple to handle;
Its three, the present invention effectively can prevent mechanical failure, avoids expensive shutdown loss;
Its four, the present invention can be used for explosion-proof occasion, and wear-resisting property is good, and the life-span is long;
Its five, the present invention can be widely used in machinery, chemical industry, light industry, electronics and numerical control field.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: half-coupling 1; First screw 2; Friction plate 3; Gear 4; Ring gear 5; Pressing plate 6; Disc spring 7; Disc spring seat 8; Adjusting nut 9; Second screw 10; Locking nut 11; Axle sleeve 12; Lining 13; The edge of a wing 14.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but this embodiment should not be construed limitation of the present invention.
A kind of torque limiter with gear friction plate shown in figure, comprise half-coupling 1, axle sleeve 12 and ring gear 5, one end of half-coupling 1 is provided with inner stopper, one end of half-coupling 1 is also circumferentially evenly provided with the first axial screw, ring gear 5 is provided with the second axial screw corresponding with first of half-coupling 1 the axial screw, half-coupling 1 is fixedly connected with the second axial screw through the first axial screw by the first screw 2 with ring gear 5, axle sleeve 12 is provided with the edge of a wing 14 extended laterally, the edge of a wing 14 is provided with the outer stopper coordinated with inner stopper, the edge of a wing 14 opposite side corresponding with half-coupling 1 is provided with gear 4, the inner side of gear 4 is provided with lining 13, lining 13 is set on axle sleeve 12, the opposite side that gear 4 is corresponding with the edge of a wing 14 is disposed with pressing plate 6, disc spring 7, disc spring seat 8, adjusting nut 9, one end of disc spring 7 is fixedly connected with pressing plate 6, the other end of disc spring 7 is fixedly connected with one end of disc spring seat 8, the other end of disc spring seat 8 is provided with the tapped hole do not run through, adjusting nut 9 is set on axle sleeve 12, adjusting nut 9 is circumferentially evenly provided with the 3rd axial screw, second screw 10 is fixed on disc spring seat 8 through the 3rd axial screw by the tapped hole on disc spring seat 8, the opposite side that adjusting nut 9 is corresponding with disc spring seat 8 also arranges locking nut 11, friction plate 3 is provided with between gear 4 and the edge of a wing 14, between gear 4 and pressing plate 6, the inner side of ring gear 5 is engaged with the outside of gear 4.
In addition, one end of half-coupling 1 is circumferentially evenly provided with four the first axial screws.Adjusting nut 9 is circumferentially evenly provided with four the 3rd axial screws.Friction plate 3 is the friction plate of powder metallurgy material.
The present invention before installing and using, according to the torque request of working machine, by regulating four the second screws 10, change the pressure on disc spring 7 pairs of pressing plates 6, change the frictional force between gear 4 and friction plate 3 by pressure transmission, demarcated moment of torsion, then axle sleeve 12 has been arranged on prime mover.When operation torque is less than demarcation moment of torsion, the friction torque produced between friction plate 3 and gear 4 is greater than operation torque, the inner side of ring gear 5 is engaged with the outside of gear 4, prime mover drives half-coupling 1 by axle sleeve 12, pressing plate 6, friction plate 3 and gear 4 with engaging of ring gear 5, and half-coupling 1 drives working machine again; When operation torque is greater than demarcation moment of torsion, between gear 4 and two friction plates 3, generation is skidded, make to dally between half-coupling 1 and axle sleeve 12, thus cut off the transmission between prime mover and working machine, protect the safety of motor and equipment.
The content be not described in detail in this specification, belongs to the known prior art of those skilled in the art.
Claims (4)
1. the torque limiter with gear friction plate, it is characterized in that: comprise half-coupling (1), axle sleeve (12) and ring gear (5), one end of described half-coupling (1) is provided with inner stopper, one end of described half-coupling (1) is also circumferentially evenly provided with the first axial screw, described ring gear (5) is provided with the second axial screw corresponding with the first axial screw of half-coupling (1), described half-coupling (1) is fixedly connected with the second axial screw through the first axial screw by the first screw (2) with described ring gear (5), described axle sleeve (12) is provided with the edge of a wing (14) extended laterally, the described edge of a wing (14) is provided with the outer stopper coordinated with described inner stopper, the described edge of a wing (14) opposite side corresponding with described half-coupling (1) is provided with gear (4), the inner side of described gear (4) is provided with lining (13), described lining (13) is set on described axle sleeve (12), the opposite side that described gear (4) is corresponding with the described edge of a wing (14) is disposed with pressing plate (6), disc spring (7), disc spring seat (8), adjusting nut (9), one end of described disc spring (7) is fixedly connected with described pressing plate (6), the other end of described disc spring (7) is fixedly connected with one end of described disc spring seat (8), the other end of described disc spring seat (8) is provided with the tapped hole do not run through, described adjusting nut (9) is set on described axle sleeve (12), described adjusting nut (9) is circumferentially evenly provided with the 3rd axial screw, second screw (10) is fixed on described disc spring seat (8) through the 3rd axial screw by the tapped hole on described disc spring seat (8), the opposite side that described adjusting nut (9) is corresponding with described disc spring seat (8) also arranges locking nut (11), friction plate (3) is provided with between described gear (4) and the edge of a wing (14), between described gear (4) and pressing plate (6), the inner side of described ring gear (5) is engaged with the outside of described gear (4).
2. the torque limiter of band gear friction plate according to claim 1, is characterized in that: one end of described half-coupling (1) is circumferentially evenly provided with four the first axial screws.
3. the torque limiter of band gear friction plate according to claim 1 and 2, is characterized in that: described adjusting nut (9) is circumferentially evenly provided with four the 3rd axial screws.
4. the torque limiter of band gear friction plate according to claim 3, is characterized in that: the friction plate that described friction plate (3) is powder metallurgy material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511005443.0A CN105485196A (en) | 2015-12-29 | 2015-12-29 | Torque limiter provided with gear friction plates |
Applications Claiming Priority (1)
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CN201511005443.0A CN105485196A (en) | 2015-12-29 | 2015-12-29 | Torque limiter provided with gear friction plates |
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CN105485196A true CN105485196A (en) | 2016-04-13 |
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CN201511005443.0A Pending CN105485196A (en) | 2015-12-29 | 2015-12-29 | Torque limiter provided with gear friction plates |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107314051A (en) * | 2017-08-31 | 2017-11-03 | 南京高传机电自动控制设备有限公司 | A kind of limiter of moment |
CN108098258A (en) * | 2016-11-24 | 2018-06-01 | 兰州飞行控制有限责任公司 | A kind of method for improving moment of friction limiter slipping torque |
CN108533629A (en) * | 2018-05-21 | 2018-09-14 | 马鞍山荣马传动机械有限公司 | High-speed coupling |
CN108612822A (en) * | 2018-04-16 | 2018-10-02 | 山西煤矿机械制造股份有限公司 | Distance-limiting type retarder |
CN109236880A (en) * | 2018-10-23 | 2019-01-18 | 株洲时代新材料科技股份有限公司 | A kind of torque limit formula shaft coupling |
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 |
CN113200472A (en) * | 2021-04-23 | 2021-08-03 | 浙江双鸟机械有限公司 | Friction transmission mechanism of electric chain hoist |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201125970Y (en) * | 2007-11-26 | 2008-10-01 | 济南二机床集团有限公司 | Overload protection torque couplings and die-filling height adjusting apparatus |
CN202326807U (en) * | 2011-11-22 | 2012-07-11 | 上海克兰传动设备有限公司 | Novel drum-shaped tooth-type safety coupling |
CN202971644U (en) * | 2012-11-28 | 2013-06-05 | 苏州蓝王机床工具科技有限公司 | Coupler |
CN203627577U (en) * | 2013-11-18 | 2014-06-04 | 苏州蓝王机床工具科技有限公司 | Shaft coupler |
CN105041893A (en) * | 2015-06-26 | 2015-11-11 | 沈阳申克动力机械有限公司 | Echeloned torsion transmission and shock absorbing combined coupling |
CN205315538U (en) * | 2015-12-29 | 2016-06-15 | 武汉正通传动技术有限公司 | Take torque limiter of gear friction disc |
-
2015
- 2015-12-29 CN CN201511005443.0A patent/CN105485196A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201125970Y (en) * | 2007-11-26 | 2008-10-01 | 济南二机床集团有限公司 | Overload protection torque couplings and die-filling height adjusting apparatus |
CN202326807U (en) * | 2011-11-22 | 2012-07-11 | 上海克兰传动设备有限公司 | Novel drum-shaped tooth-type safety coupling |
CN202971644U (en) * | 2012-11-28 | 2013-06-05 | 苏州蓝王机床工具科技有限公司 | Coupler |
CN203627577U (en) * | 2013-11-18 | 2014-06-04 | 苏州蓝王机床工具科技有限公司 | Shaft coupler |
CN105041893A (en) * | 2015-06-26 | 2015-11-11 | 沈阳申克动力机械有限公司 | Echeloned torsion transmission and shock absorbing combined coupling |
CN205315538U (en) * | 2015-12-29 | 2016-06-15 | 武汉正通传动技术有限公司 | Take torque limiter of gear friction disc |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108098258A (en) * | 2016-11-24 | 2018-06-01 | 兰州飞行控制有限责任公司 | A kind of method for improving moment of friction limiter slipping torque |
CN108098258B (en) * | 2016-11-24 | 2020-03-24 | 兰州飞行控制有限责任公司 | Method for improving slip torque of friction torque limiter |
CN107314051A (en) * | 2017-08-31 | 2017-11-03 | 南京高传机电自动控制设备有限公司 | A kind of limiter of moment |
CN108612822A (en) * | 2018-04-16 | 2018-10-02 | 山西煤矿机械制造股份有限公司 | Distance-limiting type retarder |
CN108533629A (en) * | 2018-05-21 | 2018-09-14 | 马鞍山荣马传动机械有限公司 | High-speed coupling |
CN109236880A (en) * | 2018-10-23 | 2019-01-18 | 株洲时代新材料科技股份有限公司 | A kind of torque limit formula shaft coupling |
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 |
CN113200472A (en) * | 2021-04-23 | 2021-08-03 | 浙江双鸟机械有限公司 | Friction transmission mechanism of electric chain hoist |
CN113200472B (en) * | 2021-04-23 | 2022-09-20 | 浙江双鸟机械有限公司 | Friction transmission mechanism of electric chain hoist |
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Application publication date: 20160413 |