CN2675170Y - Centrifugal type overrunning governor and dually controllable multiplexing steady stopping device - Google Patents
Centrifugal type overrunning governor and dually controllable multiplexing steady stopping device Download PDFInfo
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- CN2675170Y CN2675170Y CN 200420041460 CN200420041460U CN2675170Y CN 2675170 Y CN2675170 Y CN 2675170Y CN 200420041460 CN200420041460 CN 200420041460 CN 200420041460 U CN200420041460 U CN 200420041460U CN 2675170 Y CN2675170 Y CN 2675170Y
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- 239000000758 substrate Substances 0.000 claims description 9
- 239000002783 friction material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model belongs to the escape devices under emergency conditions of the high buildings. The utility model comprises a centrifugal type overrunning governor and a dually controllable multiplexing steady stopping device which is designed by utilizing this overrunning governor. The centrifugal overrunning governor still adopts the common centrifugal block structure, and the key point is that a cam wheel is added to the centrifugal block on the position of jointed shaft. The cam wheel can grind on the brake-shoe to outward when the centrifugal block rotates, enabling to generate positive pressure multiple of the centrifugal effort. The utility model not only guarantees the reliability of the centrifugal speed governing, but also omits the speeding up mechanism of steel wire and rope pulley. Meanwhile, the steady stopping device designed by this kind of overrunning governor not only has the advantages of compact structure, dependable performance, simplicity, greatly lowering the fabricating cost, but also can realize speed controlling and braking hovering.
Description
Technical field
The invention belongs to the escape device under the grand building emergency state, be used in a kind of centrifugal governor on such device specifically and use the dual controlled multiplexing type steady stopping device of this limiter of speed.
Background technology
Growing along with urbanization, incity, city high building is more and more, has caused series of new problems thus.Such as, the self-help escape problem when running into crisis situation (as fire, earthquake).Although when the high building architectural design, leave emergency staircase and since under the state of emergency in the high building number intensive quantity big, and may cause damage when fire or earthquake to the emergency staircase mouth, it can not normally be played a role.Therefore, a large amount of high building individual escape products arises at the historic moment on the market.
Simultaneously, also have the technical scheme of many high-rise life saving products and slow descending device open in the document, such as hanging type rope ladder, climbing formula rope, lift staircase etc., a wherein common class is to adopt the centrifugal friction formula surely to fall structure.Its structure mainly is to fix a centrifugal film that friction material is housed on the steel wire rope wheel shaft, and centrifugal film and shell friction can reduce decrease speed when wheel shaft rotates at a high speed.The speed-limiting device of this structure and steady stopping device are the purpose that reaches safe reduction of speed, must increase frictional force, technological means commonly used is nothing but to increase the weight of centrifugal film or increase the coefficient of friction of friction material and the sheet number of friction material, be typically ZL01238423.2, ZL02275011.8 and ZL01255973.3, all be to increase frictional force by the mode that friction plate all is set at the rope sheave two ends, but this all is subjected to certain limitation, such as the characteristic of existing friction material and the proportion of the material of making centrifugal film.And this constructed products mostly structure is loaded down with trivial details, reliability has much room for improvement, and its decrease speed can't regulate automatically, can not brake midway; In order to increase centrifugal speed limit effect, be exactly the rotating speed that increases centrifugal friction mechanism by gear in addition, such as ZL02266474.2 then is the rotating speed that mode that planetary gear is set on rope sheave increases centrifugal mechanism, because gear will adopt several groups of gears to realize, this will make product structure complicated and heavy, can greatly increase the manufacturing cost of product.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, design the centrifugal governor that a kind of structure is simplified greatly, and this limiter of speed is applied to designs the steady stopping device that to control decrease speed and braking in the steady stopping device.
Specifically, a kind of centrifugal governor, has shell (9), substrate (13), rotating shaft (8), centrifugal (2) and brake-shoe (1), rotating shaft (8) is fixed on the end that is positioned at shell by the housing centre of the sealing of shell (9) and substrate (13) formation and rotating shaft (8) and is fixed with rotating disk (4), one end of a plurality of centrifugal (2) all uses axle (6) to be hinged on the rotating disk (4) and can radially freely to rotate, friction material (7) is fixed on that brake-shoe (1) is gone up and brake-shoe (1) one end is hinged on the rotating disk (4) with axle (3), on centrifugal (2), be positioned at spool (6) locate to be fixed with one can be with the cam (5) of the outside pushing tow of an end of brake-shoe (1).
Being equipped with one in the middle of a plurality of centrifugal (2) can be with a plurality of centrifugal circular cone that strut (11), this circular cone (11) is installed in can be with brake bar axial displacement on the brake bar (10), and this brake bar (10) is set in the rotating shaft (8), is equipped with one and makes its spring that resets (12) between circular cone (11) and rotating shaft (8).The arrestment mechanism that increases among the present invention, can make the user under the highest reduction of speed of automatic centrifugal speed limit, freely adjust decrease speed according to the needs of oneself, particularly running into special circumstances can also brake and hover over the optional position, make that limiter of speed of the present invention is not only to be used in the escape purpose, also can be as multiple occasions such as rescues.Only brake bar need be pulled outwardly during use, circular cone will be with centrifugal extruding outward, and centrifugal promotes brake-shoe itself and casing friction power are increased, and reduces decrease speed or hover until realizing braking.
Although the limiter of speed among the present invention has still adopted common centrifugal basic structure, the position of axle (6) has increased a cam on centrifugal, acts on brake-shoe by centrifugal and cam, thereby makes centrifugal brake force multiplication.Because the existence of this cam, rotate and cam when thereupon rotating when centrifugal, cam is the top brake-shoe outwards, the power of this cam compressing brake-shoe will be than centrifugal because much bigger times of the effect of the centrifugal force that centrifugal motion produces compressing brake-shoe, so just greatly reduce the requirement of friction material and can greatly reduce centrifugal quality, simultaneously, require also to descend for the rotary speed of centrifugal mechanism, structurally can save the speed increasing mechanism of rotating shaft, reduce the product cost.And cam directly acts on brake-shoe and produces pressure, makes the reliability of the centrifugal speed limit of product be improved, and can not produce the problem because of the too small inefficacy of user's weight.In addition, because limiter of speed has only centrifugal, shell, rotating shaft, rotating disk and the several parts of brake-shoe, on simple structure, can increase manual control arrestment mechanism easily, both guarantee user's the highest upper limit that is no more than safety decline of decrease speed, realized user's regulated at will decrease speed and the purpose of hovering again.
The dual controlled multiplexing type steady stopping device that utilizes above-mentioned centrifugal governor to make, its substrate (13) is connected as a single entity housing in the limiter of speed (9) and steady stopping device shell (17) and constitutes the housing of a sealing, H shape rope sheave (18) is installed in the rotating shaft (8) by freewheel clutch (24), brake handle (19) is connected with brake bar (10) one ends by outer silk braid (22), and with internal thread seat (21) engagement of being fixed on the shell (17), be fixed with the gear concentric (25) in H type rope sheave (18) outside with its maintenance, be equipped with and gear (25) meshed gears (26) in shell (17) one sides, spindle nose (27) is housed on the central shaft of gear (26), one end of shell (17) is fixed with hanger (28), the other end of shell (17) is equipped with leading truck (16) and guide roller (15), and rope circle (20) is wrapped on the rope sheave (18) and its end (14) passes by guide roller (15) location.
The steady stopping device of this structure except simple in structure, cost is low, reliability high, realized that decrease speed has the automatic speed-limiting and the manual purpose of regulated at will, and can make it hover over the optional position with brake handle.Simultaneously, owing to adopted freewheel clutch, especially suitable for the escape occasion of use of many people at needs.After first people goes down, (centrifugal speed limiting mechanism does not rotate at this moment thereby driving H type rope sheave reverses can to rotate spindle nose (22) by the hinge handle that other people utilization of top is provided together at random, just can not produce braking action yet, feasible reversing is very flexible) with the very fast withdrawal of steel wire rope, can use repeatedly like this.Like this, when escape, not only be fit to a people and use, also can use repeatedly, and it is also very convenient to use the back to reclaim in escape for many people.If just a people uses, the latch hook that is fixed in end (14) can be fixed in any fixable position after the survivor fall with steady stopping device; When using repeatedly for many people, steady stopping device can be fixed in certain position upstairs by hanger, the survivor falls with the latch hook of end.In addition, this steady stopping device not only can be suspended in the room with hanger and use, and also can arbitrarily be fastened in roof positions such as (fire generally are from bottom to top, and the roof security is higher) in the time of can't having used in the room, and the applicability of product is very strong.
Description of drawings
Fig. 1 is the structural representation of the utility model limiter of speed.
Fig. 2 is the sectional side elevation of Fig. 1.
Fig. 3 is the utility model steady stopping device structural representation.
The specific embodiment
A kind of centrifugal governor, has shell (9), substrate (13), rotating shaft (8), centrifugal (2) and brake-shoe (1), rotating shaft (8) is fixed on the end that is positioned at shell by the housing centre of the sealing of shell (9) and substrate (13) formation and rotating shaft (8) and is fixed with rotating disk (4), a plurality of centrifugal (2) (centrifugal quantity is at least 2, also can be 3,4 etc., no matter use several, but its outer all can be spliced into the disk with the hull shape basically identical) an end all use the axle (6) be hinged on the rotating disk (4) and can radially freely rotate, friction material (7) is fixed on that brake-shoe (1) is gone up and brake-shoe (1) one end is hinged on the rotating disk (4) with axle (3), on centrifugal (2), be positioned at axle (6) locate to be fixed with one can with the outside pushing tow of an end of brake-shoe (1) and can be with centrifugal cam (5) around axle (6) rotation.This cam can be made with centrifugal integral type, also can be on the back is fixed.Centrifugal centrifugal force that is produced when rotating with rotating shaft (8) and rotating disk (4) can pass through cam (5) pushing tow brake-shoe and outwards rotate around axle (3).For reaching the purpose of braking, being equipped with one in the middle of a plurality of centrifugal (2) can be with a plurality of centrifugal circular cone that strut (11), this circular cone (11) is installed in can be with brake bar axial displacement on the brake bar (10), and this brake bar (10) be set on rotating shaft (8), in, between circular cone (11) and rotating shaft (8), be equipped with one and make its spring that resets (12).This limiter of speed compact conformation, dependable performance, easy to use, not only have centrifugal speed limit function, and can realize the function of hand brake speed governing.
The dual controlled multiplexing type steady stopping device that utilizes above-mentioned centrifugal governor to make, its substrate (13) is connected as a single entity housing in the limiter of speed (9) and steady stopping device shell (17) and constitutes the housing of a sealing, H shape rope sheave (18) is installed in the rotating shaft (8) by freewheel clutch (24), brake handle (19) is connected with brake bar (10) one ends by outer silk braid (22), and with internal thread seat (21) engagement of being fixed on the shell (17), be fixed with the gear concentric (25) in H type rope sheave (18) outside with its maintenance, be equipped with and gear (25) meshed gears (26) in shell (17) one sides, spindle nose (27) is housed on the central shaft of gear (26), one end of shell (17) is fixed with hanger (28), the other end of shell (17) is equipped with leading truck (16) and guide roller (15), and rope circle (20) is wrapped on the rope sheave (18) and its end (14) passes by guide roller (15) location.But this steady stopping device has been realized the purpose of the decrease speed regulated at will braking under the highest decrease speed of automatic speed-limiting, and can hover over the optional position with brake handle.
Claims (3)
1, a kind of centrifugal governor, has shell (9), substrate (13), rotating shaft (8), centrifugal (2) and brake-shoe (1), it is characterized in that rotating shaft (8) is fixed in the middle of the housing of the sealing that is made of shell (9) and substrate (13) and rotating shaft (8) is positioned on the end of shell and is fixed with rotating disk (4), one end of a plurality of centrifugal (2) all uses axle (6) to be hinged on the rotating disk (4) and can radially freely to rotate, friction material (7) is fixed on that brake-shoe (1) is gone up and brake-shoe (1) one end is hinged on the rotating disk (4) with axle (3), on centrifugal (2), be positioned at axle (6) locate to be fixed with one can be with the outside pushing tow of an end of brake-shoe (1) and can be with centrifugal cam (5) around axle (6) rotation.
2, according to the described centrifugal governor of claims, it is characterized in that being equipped with one in the middle of a plurality of centrifugal (2) can be with a plurality of centrifugal circular cone that strut (11), this circular cone (11) is installed in can be with brake bar axial displacement on the brake bar (10), and this brake bar (10) is set in the rotating shaft (8), is equipped with one and makes its spring that resets (12) between circular cone (11) and rotating shaft (8).
3, the dual controlled multiplexing type steady stopping device that utilizes above-mentioned centrifugal governor to make, it is characterized in that substrate (13) is connected as a single entity the housing in the limiter of speed (9) and steady stopping device shell (17) constitutes the housing of a sealing, H shape rope sheave (18) is installed in the rotating shaft (8) by freewheel clutch (24), brake handle (19) is connected with brake bar (10) one ends by outer silk braid (22), and with internal thread seat (21) engagement of being fixed on the shell (17), be fixed with the gear concentric (25) in H type rope sheave (18) outside with its maintenance, be equipped with and gear (25) meshed gears (26) in shell (17) one sides, spindle nose (27) is housed on the central shaft of gear (26), one end of shell (17) is fixed with hanger (28), the other end of shell (17) is equipped with leading truck (16) and guide roller (15), and rope circle (20) is wrapped on the rope sheave (18) and its end (14) passes by guide roller (15) location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041460 CN2675170Y (en) | 2004-01-08 | 2004-01-08 | Centrifugal type overrunning governor and dually controllable multiplexing steady stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041460 CN2675170Y (en) | 2004-01-08 | 2004-01-08 | Centrifugal type overrunning governor and dually controllable multiplexing steady stopping device |
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| Publication Number | Publication Date |
|---|---|
| CN2675170Y true CN2675170Y (en) | 2005-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420041460 Expired - Fee Related CN2675170Y (en) | 2004-01-08 | 2004-01-08 | Centrifugal type overrunning governor and dually controllable multiplexing steady stopping device |
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| CN (1) | CN2675170Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028209A (en) * | 2012-12-03 | 2013-04-10 | 北京中安科创科技发展有限公司 | Centrifugal friction-type descent control device with frictional compensation and speed reduction protection |
| CN103830853A (en) * | 2014-03-03 | 2014-06-04 | 青岛亿和海丽安防科技有限公司 | Self-return type coaxial descent control device |
| CN104399192A (en) * | 2014-11-18 | 2015-03-11 | 江苏华鹏智能电气股份有限公司 | Fire escaping device for high-rise building |
| CN105073204A (en) * | 2013-02-22 | 2015-11-18 | 凯比特安全设备集团（北欧）有限公司 | fall arrest equipment |
| CN105375680A (en) * | 2015-12-09 | 2016-03-02 | 无锡江南奕帆电力传动科技股份有限公司 | Centrifugal device for alternating current and direct current dual-purpose motor |
| CN108799362A (en) * | 2018-06-21 | 2018-11-13 | 中国科学院国家空间科学中心 | A kind of small and light machine formula centrifugation speed-limiting device |
| CN108926437A (en) * | 2018-07-13 | 2018-12-04 | 深圳市雷凌广通技术研发有限公司 | A kind of wheelchair with deceleration |
| CN109663231A (en) * | 2017-10-16 | 2019-04-23 | 李燕飞 | High-rise self-rescue ramp-down device |
| CN114191736A (en) * | 2020-09-18 | 2022-03-18 | 广东电网有限责任公司 | Spontaneous high-speed rotation braking safety device |
-
2004
- 2004-01-08 CN CN 200420041460 patent/CN2675170Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028209A (en) * | 2012-12-03 | 2013-04-10 | 北京中安科创科技发展有限公司 | Centrifugal friction-type descent control device with frictional compensation and speed reduction protection |
| CN103028209B (en) * | 2012-12-03 | 2014-10-01 | 北京中安科创科技发展有限公司 | Centrifugal friction-type descent control device with frictional compensation and speed reduction protection |
| CN105073204A (en) * | 2013-02-22 | 2015-11-18 | 凯比特安全设备集团（北欧）有限公司 | fall arrest equipment |
| CN103830853A (en) * | 2014-03-03 | 2014-06-04 | 青岛亿和海丽安防科技有限公司 | Self-return type coaxial descent control device |
| CN104399192A (en) * | 2014-11-18 | 2015-03-11 | 江苏华鹏智能电气股份有限公司 | Fire escaping device for high-rise building |
| CN105375680A (en) * | 2015-12-09 | 2016-03-02 | 无锡江南奕帆电力传动科技股份有限公司 | Centrifugal device for alternating current and direct current dual-purpose motor |
| CN109663231A (en) * | 2017-10-16 | 2019-04-23 | 李燕飞 | High-rise self-rescue ramp-down device |
| CN108799362A (en) * | 2018-06-21 | 2018-11-13 | 中国科学院国家空间科学中心 | A kind of small and light machine formula centrifugation speed-limiting device |
| CN108926437A (en) * | 2018-07-13 | 2018-12-04 | 深圳市雷凌广通技术研发有限公司 | A kind of wheelchair with deceleration |
| CN114191736A (en) * | 2020-09-18 | 2022-03-18 | 广东电网有限责任公司 | Spontaneous high-speed rotation braking safety device |
| CN114191736B (en) * | 2020-09-18 | 2022-07-26 | 广东电网有限责任公司 | Spontaneous high-speed rotation braking safety device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |