CN108679118B - Mechanical moment limiter - Google Patents
Mechanical moment limiter Download PDFInfo
- Publication number
- CN108679118B CN108679118B CN201810728458.7A CN201810728458A CN108679118B CN 108679118 B CN108679118 B CN 108679118B CN 201810728458 A CN201810728458 A CN 201810728458A CN 108679118 B CN108679118 B CN 108679118B
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- Prior art keywords
- ring
- locking
- plate
- rotating shaft
- rotor
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- 238000012545 processing Methods 0.000 claims description 4
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension 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
- F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a mechanical moment limiter, which comprises a driving shaft, wherein one side of the driving shaft is provided with a flange plate, the side surface of the flange plate is respectively provided with a brake ring, balls and a locking gear, the locking gears are uniformly distributed on the side surface of the flange plate, one end of the flange plate is provided with a friction plate, the side surface of the friction plate is provided with a fastening ring, both ends of the fastening ring are respectively provided with a brake plate, the locking gears are arranged in a triangle shape, meanwhile, the locking gears are tightly welded on the side surface of the flange plate, both ends of the brake ring are respectively provided with a limiting plate, one end of the limiting plate is provided with a texture, the limiting plates are fixedly connected with the brake ring, both ends of the brake ring are respectively provided with a limiting plate, and when the device is braked, the limiting plates at both ends are fastened inwards at the same time, and the device is forcedly stopped by friction with the locking gears.
Description
Technical Field
The invention relates to the technical field of mechanical braking equipment, in particular to a mechanical moment limiter.
Background
Limiters limit some parameters of the machine to ensure that the machine is operating properly within defined parameter values and do not allow for over-limited use. The purpose of the limiter is to maintain safe and stable operation of the generator and avoid abnormal accident shutdown caused by the action of the protective relay.
However, most of the existing mechanical moment limiters have too low braking effect due to too few braking parts and too slow reaction of the braking parts during braking, and are easy to move due to too large vibration during braking.
Therefore, how to design a mechanical moment limiter is a current problem to be solved.
Disclosure of Invention
The invention aims to provide a mechanical moment limiter, which aims to solve the problems of slow braking effect and easy loosening of parts in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the mechanical moment limiter comprises a driving shaft, wherein one side of the driving shaft is provided with a flange plate, the side surface of the flange plate is respectively provided with a braking ring, balls and a locking gear, two ends of the braking ring are respectively provided with limiting sheets, one side of the braking ring is provided with a movable spring, one end of the flange plate is provided with a friction sheet, the side surface of the friction sheet is provided with a fastening ring, two ends of the fastening ring are respectively provided with a braking sheet, one side of the fastening ring is provided with a disc spring, one side of the friction sheet is provided with a rotating shaft, the side surface of the rotating shaft is provided with an adjusting nut, the side surface of the adjusting nut is provided with a fixing hole, one end of the rotating shaft is provided with a nested shaft, one side of the nested shaft is respectively provided with a nested ring and a fixing anchor, the inside of the flange plate is provided with a stator, the side surface of the stator is provided with a rotor, the inside of the friction sheet is provided with a speed limiting ring, the inside of the speed limiting ring is provided with a locking spring, and the inside of the locking spring is provided with a rotating shaft.
Furthermore, the outer surface of the speed limiting ring is rough, the speed limiting ring is in a circular shape, and meanwhile the speed limiting ring is movably connected with the locking clamp spring.
Furthermore, the locking clamp spring is hollowed out, textures are arranged on the outer surface of the locking clamp spring, and meanwhile the locking clamp spring is tightly wrapped on the side face of the rotating shaft.
Further, the number of the stators is two, the stators are parallel to each other, and the stators are nested on the side face of the rotor.
Further, the rotor is hollow, and the rotor is cylindrical, and meanwhile, the rotor penetrates through two sides of the stator.
Further, the limiting piece is formed by processing stainless steel alloy, one end of the limiting piece is provided with textures, and meanwhile the limiting piece is fixedly connected with the brake ring.
Further, the locking gears are uniformly distributed on the side face of the flange plate, the locking gears are arranged in a triangular shape, and meanwhile, the locking gears are tightly welded on the side face of the flange plate.
Further, the friction plate is formed by processing synthetic rubber, is perpendicular to the side face of the rotating shaft, and is fixedly connected with the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that: the mechanical moment limiter is increased and improved on the basis of the prior art, the mechanical moment limiter is provided with a flange plate, a rotary shaft, a brake ring, balls, a rotor and a rotary shaft, locking clamp springs are arranged on the side face of the rotary shaft, the locking clamp springs are made of hard materials, when the device is required to be braked in the working process, the locking clamp springs are used for locking the rotary shaft through device commands, so that the device is forced to stop running, a braking effect is achieved, the outer surface of the locking clamp springs are wrapped with a speed limiting ring, sensing equipment is arranged in the speed limiting ring, when the device is in operation, the sensing equipment in the speed limiting ring senses the rotating shaft rotation speed, proper speed limiting is carried out on the speed limiting ring, the problem that the load of the device is increased due to the fact that the rotary shaft rotates too fast is solved, meanwhile, the left idle work of the device is limited, energy is wasted, limited sheets are arranged at the two ends of the brake ring, and meanwhile, the limiting sheets at the two ends are fastened inwards through friction with the locking clamp springs, the device is forcedly stopped through friction with the locking clamp springs, the disc springs are sprung up during braking, and the braking is pushed to rotate inwards through the friction with the friction limiting sheets when the friction plates are forcedly stopped with the rotary shaft.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is a schematic cross-sectional view of a speed limiting ring according to the present invention;
fig. 3 is a schematic view of the stator structure of the present invention.
In the figure: 1. driving shaft, 2, ball, 3, limiting sheet, 4, braking ring, 5, movable spring, 6, braking sheet, 7, fastening ring, 8, belleville spring, 9, fixing hole, 10, adjusting nut, 11, nested shaft, 12, nested ring, 13, fixed anchor, 14, rotating shaft, 15, friction sheet, 1501, speed limiting ring, 1502, rotating shaft, 1503, locking snap spring, 16, flange, 1601, stator, 1602, rotor,
17. locking the gear.
The model of the speed limiting ring in the embodiment of the invention is XC-4 (Beijing Jiaming Long Xuan technology development Co., ltd.); the flange type was DN15-DN4000 (Honghu pipe Co., ltd.).
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the mechanical moment limiter comprises a driving shaft 1, balls 2, a limiting piece 3, a braking ring 4, a movable spring 5, a braking piece 6, a limiting ring 7, a disc spring 8, a fixing hole 9, an adjusting nut 10, a nested shaft 11, a nested ring 12, a fixed anchor 13, a rotating shaft 14, a friction piece 15, a speed limiting ring 1501, a rotating shaft 1502, a locking clamp spring 1503, a flange 16, a stator 1601, a rotor 1602 and a locking gear 17, wherein one side of the driving shaft 1 is provided with the flange 16, the side surface of the flange 16 is respectively provided with the braking ring 4, the balls 2 and the locking gear 17, the locking gear 17 is uniformly distributed on the side surface of the flange 16, the locking gear 17 is in a triangular shape, meanwhile, the locking gear 17 is tightly welded on the side surface of the flange 16, and the braking ring 16 is tightly welded on the side surface of the flange 16
The two ends of the brake ring 4 are respectively provided with a limiting piece 3, when the device is braked, the limiting pieces 3 at the two ends are simultaneously fastened inwards, the device is forcedly stopped by friction with a locking gear 17, the limiting pieces 3 are processed by stainless steel alloy, one end of each limiting piece 3 is provided with textures, the limiting pieces 3 are fixedly connected with the brake ring 4 at the same time, one side of the brake ring 4 is provided with a movable spring 5, one end of a flange 16 is provided with a friction piece 15, the friction piece 15 is processed by synthetic rubber, the friction piece 15 is perpendicular to the side surface of a rotating shaft 14, meanwhile, the friction piece 15 is fixedly connected with the rotating shaft 14, the side surface of the friction piece 15 is provided with a locking ring 7, the two ends of the locking ring 7 are respectively provided with a brake piece 6, one side of the locking ring 7 is provided with a disc spring 8, one side of the friction piece 15 is provided with the rotating shaft 14, the side of the rotary shaft 14 is provided with an adjusting nut 10, the side of the adjusting nut 10 is provided with a fixing hole 9, one end of the rotary shaft 14 is provided with a nested shaft 11, one side of the nested shaft 11 is respectively provided with a nested ring 12 and a fixing anchor 13, the inside of a flange 16 is provided with a stator 1602, the inside of the rotor 1602 is hollowed out, the rotor 1602 is cylindrical, meanwhile, the rotor 1602 penetrates through two sides of the stator 1601, the side of the stator 1602 is provided with a rotor 1601, the stators 1601 are provided with two stators 1601, the stators 1601 are mutually parallel, meanwhile, the stator 1601 is nested on the side of the rotor 1602, the inside of a friction plate 15 is provided with a speed limiting ring 1501, the outer surface of the speed limiting ring 1501 is rough, the speed limiting ring 1501 is circular, meanwhile, the speed limiting ring 1501 is movably linked with a locking clamp spring 1503, sensing equipment is arranged in the speed limiting ring 1501 through sensing of the rotary shaft 1502 during operation of the device, the device is properly speed-limited, the burden of the device is prevented from being increased due to the fact that the rotating shaft 1502 rotates too fast, meanwhile, the device can be limited to do idle work, energy is wasted, the locking clamp spring 1503 is arranged in the speed-limiting ring 1501, the locking clamp spring 1503 is hollowed out, textures are arranged on the outer surface of the locking clamp spring 1503, meanwhile, the locking clamp spring 1503 is tightly wrapped on the side face of the rotating shaft 1502, the locking clamp spring is arranged on the side face of the rotating shaft, the locking clamp spring 1503 is hard in material, when the device needs to be braked in the working process, the locking clamp spring 1503 locks the rotating shaft 1502 through a device command, and therefore the device is forced to stop running, the braking effect is achieved, and the rotating shaft 1502 is arranged in the locking clamp spring 1503.
Working principle: firstly, all parts of the device are comprehensively checked, if damaged or loosened, the parts of the device are required to be replaced by standing horses, after the parts of the device are checked, a worker fixes and stabilizes one end of the parts through corresponding fixing screws by embedding rings 12, fixes and stabilizes the other end of the parts, places the parts on matched instruments after fixing, starts working, when the working of the device is completed or needs to be suspended halfway, the worker controls the device through a command button, when the device receives a suspension command, the rotating shaft 14 is internally braked by the rotating shaft, a locking clamp spring 1503 slowly contracts, the rotating shaft 1502 is braked by the biting force and the friction force, the limiting plates 3 at the two ends of the braking ring 4 are pushed inwards by the movable springs 5 at the outer part, the two ends of the braking ring 4 are buckled inwards by the contraction of the braking ring 4, so that the device is braked, meanwhile, the disc springs 8 at the two ends of the locking ring 7 are also buckled inwards by the friction with the friction plates 15, the rotating shaft 14 is braked by the friction force, and the device is braked by the combined action of the parts.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A mechanical torque limiter comprising a driving shaft (1), characterized in that: one side of the driving shaft (1) is provided with a flange plate (16), the side surface of the flange plate (16) is respectively provided with a brake ring (4), a ball (2) and a locking gear (17), both ends of the brake ring (4) are respectively provided with a limiting plate (3), one side of the brake ring (4) is provided with a movable spring (5), one end of the flange plate (16) is provided with a friction plate (15), the side surface of the friction plate (15) is provided with a locking ring (7), both ends of the locking ring (7) are respectively provided with a brake plate (6), one side of the locking ring (7) is provided with a disc spring (8), one side of the friction plate (15) is provided with a rotary rotating shaft (14), one side surface of the rotary rotating shaft (14) is provided with an adjusting nut (10), one side surface of the adjusting nut (10) is provided with a fixed hole (9), one end of the rotary rotating shaft (14) is provided with a sleeve shaft (11), one side of the sleeve shaft (11) is respectively provided with a sleeve ring (12) and a fixed anchor (13), one side of the sleeve ring (11) is respectively provided with a brake plate (6), one side of the locking ring (7) is provided with a rotor (16) is provided with a), one side of the rotor (1601) is provided with a rotor (1601), a locking clamp spring (1503) is arranged in the speed limiting ring (1501), and a rotating shaft (1502) is arranged in the locking clamp spring (1503);
the outer surface of the speed limiting ring (1501) is rough, the speed limiting ring (1501) is in a circular shape, and meanwhile, the speed limiting ring (1501) is movably connected with the locking clamp spring (1503);
the inside of the locking clamp spring (1503) is hollowed out, textures are arranged on the outer surface of the locking clamp spring (1503), and meanwhile the locking clamp spring (1503) is tightly wrapped on the side face of the rotating shaft (1502);
the stators (1601) are arranged in two, the stators (1601) are parallel to each other, and the stators (1601) are nested on the side face of the rotor (1602).
2. A mechanical torque limiter according to claim 1, wherein: the rotor (1602) is hollow inside, the rotor (1602) is cylindrical, and the rotor (1602) penetrates through two sides of the stator (1601).
3. A mechanical torque limiter according to claim 1, wherein: the limiting piece (3) is formed by processing stainless steel alloy, one end of the limiting piece (3) is provided with textures, and meanwhile the limiting piece (3) is fixedly connected with the brake ring (4).
4. A mechanical torque limiter according to claim 1, wherein: the locking gears (17) are uniformly distributed on the side face of the flange plate (16), the locking gears (17) are arranged in a triangular shape, and meanwhile the locking gears (17) are tightly welded on the side face of the flange plate (16).
5. A mechanical torque limiter according to claim 1, wherein: the friction plate (15) is formed by processing synthetic rubber, the friction plate (15) is perpendicular to the side face of the rotating shaft (14), and meanwhile, the friction plate (15) is fixedly connected with the rotating shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728458.7A CN108679118B (en) | 2018-07-05 | 2018-07-05 | Mechanical moment limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728458.7A CN108679118B (en) | 2018-07-05 | 2018-07-05 | Mechanical moment limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108679118A CN108679118A (en) | 2018-10-19 |
| CN108679118B true CN108679118B (en) | 2024-03-22 |
Family
ID=63813304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810728458.7A Active CN108679118B (en) | 2018-07-05 | 2018-07-05 | Mechanical moment limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679118B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411741B (en) * | 2019-07-09 | 2021-03-19 | 中国航发哈尔滨东安发动机有限公司 | Spiral bevel gear coloring inspection assembly and use method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH177694A (en) * | 1934-04-30 | 1935-06-15 | Sousedik Josef | Automatic friction disc brake on electric motors for shock-free braking in the event of a power failure in the motor supply line. |
| US3495691A (en) * | 1968-05-20 | 1970-02-17 | Gen Motors Corp | Overspeed brake |
| GB1361082A (en) * | 1970-08-07 | 1974-07-24 | Klaue H | Brakes |
| KR20110057764A (en) * | 2009-11-25 | 2011-06-01 | 주식회사 만도 | Electrical mechanical brake |
| KR20130059492A (en) * | 2011-11-29 | 2013-06-07 | 주식회사 만도 | Electrical mechanical brake |
| CN103615482A (en) * | 2013-12-03 | 2014-03-05 | 北京航空航天大学 | Micro-miniature type mechanical centrifugal friction speed limiter |
| CN104389927A (en) * | 2014-11-19 | 2015-03-04 | 东北大学 | Electromechanical braking device |
| CN106365013A (en) * | 2015-07-22 | 2017-02-01 | 上海市建筑科学研究院科技发展有限公司 | External friction type speed limit protection device |
| CN106365011A (en) * | 2015-07-22 | 2017-02-01 | 上海市建筑科学研究院科技发展有限公司 | Speed limit protection device with invariable braking force |
| CN208487144U (en) * | 2018-07-05 | 2019-02-12 | 江西飞达电气设备有限公司 | A kind of mechanical load moment limiter |
-
2018
- 2018-07-05 CN CN201810728458.7A patent/CN108679118B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH177694A (en) * | 1934-04-30 | 1935-06-15 | Sousedik Josef | Automatic friction disc brake on electric motors for shock-free braking in the event of a power failure in the motor supply line. |
| US3495691A (en) * | 1968-05-20 | 1970-02-17 | Gen Motors Corp | Overspeed brake |
| GB1361082A (en) * | 1970-08-07 | 1974-07-24 | Klaue H | Brakes |
| KR20110057764A (en) * | 2009-11-25 | 2011-06-01 | 주식회사 만도 | Electrical mechanical brake |
| KR20130059492A (en) * | 2011-11-29 | 2013-06-07 | 주식회사 만도 | Electrical mechanical brake |
| CN103615482A (en) * | 2013-12-03 | 2014-03-05 | 北京航空航天大学 | Micro-miniature type mechanical centrifugal friction speed limiter |
| CN104389927A (en) * | 2014-11-19 | 2015-03-04 | 东北大学 | Electromechanical braking device |
| CN106365013A (en) * | 2015-07-22 | 2017-02-01 | 上海市建筑科学研究院科技发展有限公司 | External friction type speed limit protection device |
| CN106365011A (en) * | 2015-07-22 | 2017-02-01 | 上海市建筑科学研究院科技发展有限公司 | Speed limit protection device with invariable braking force |
| CN208487144U (en) * | 2018-07-05 | 2019-02-12 | 江西飞达电气设备有限公司 | A kind of mechanical load moment limiter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108679118A (en) | 2018-10-19 |
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