CN104370235B - Speed limiting action device - Google Patents
Speed limiting action device Download PDFInfo
- Publication number
- CN104370235B CN104370235B CN201410609648.9A CN201410609648A CN104370235B CN 104370235 B CN104370235 B CN 104370235B CN 201410609648 A CN201410609648 A CN 201410609648A CN 104370235 B CN104370235 B CN 104370235B
- Authority
- CN
- China
- Prior art keywords
- driving shaft
- axle sleeve
- speed limiting
- shaft
- receiving space
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
Abstract
The invention discloses a speed limiting action device. The speed limiting action device comprises a driving shaft and a plurality of shaft sleeves, wherein the shaft sleeves are arranged on the driving shaft in parallel in a sleeving mode. Each shaft is internally provided with a containing space for containing the driving shaft, and a plurality of grooves which are formed in the mode that the inner wall of the corresponding shaft sleeve is inwards concave are contained in the containing space, and an installing block which is fixed to the driving shaft and rotates along with the driving shaft is arranged in the containing space. Each installing block is provided with a centrifugal rod and a magnet, one end of the centrifugal rod is hinged to the installing block, the other end of the centrifugal rod is provided with a clamping block structure corresponding to the grooves in the corresponding containing space, and the magnet and the driving shaft are located on the same side of the centrifugal rod. The magnets arranged in the containing spaces in different shaft sleeves have different magnitudes of magnetic force, and the shaft sleeves are connected with a braking speed limiting system. When a moving article overspeeds, the speed limiting action device will be actively connected with the braking system to carry out speed limiting and braking according to the speed of the moving article, and thus safety accidents are avoided.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to a kind of speed limit movement device.
Background technology
In prior art, with the equipment of certain speed operation if there is mechanical breakdown, meeting quite dangerous, with existing in building site
As a example by the hanging basket of field construction, hanging basket if jacking system breaks down, causes hanging basket to add when article or personnel are transported
Speed tenesmus, although be provided with parking brake in some hanging baskets, however, the time of origin of accident is extremely short, it is difficult to give the people's foot being in hanging basket
In the enough response time, accident is easily caused, if what is transported in hanging basket is article, parking brake is even more useless, how to accomplish to work as hanging basket
During hypervelocity, the jacking system of hanging basket is connected with brake system automatically, so that brake system brakes hanging basket, is one urgently to be resolved hurrily
Problem.
The content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of speed limit movement device, works as motion
Object occur hypervelocity situation when, the speed conditions according to moving object are actively connected with brake system, speed limit are carried out and is stopped
Car, so as to avoid the generation of security incident.
A kind of speed limit movement device proposed by the present invention, including driving shaft and multiple axle sleeves, axle sleeve is parallel to be set in actively
On axle；There is the receiving space for accommodating above-mentioned driving shaft, comprising by correspondence axle sleeve in above-mentioned receiving space in arbitrary axle sleeve
Wall caves in a plurality of groove to be formed；With the mounting blocks fixed with driving shaft and rotate with driving shaft in arbitrary receiving space, on
State mounting blocks and be provided with centrifugation bar and magnetic piece, centrifugation bar one end be hinged with mounting blocks and the other end with the receiving space indent
The corresponding fixture block structure of groove, magnetic piece and driving shaft are located at centrifugation bar homonymy；Not in coaxial sleeve inner housing space set magnetic piece magnetic
Power size is different, and each axle sleeve is connected with brake speed limiting system.
Preferably, arbitrary sleeve lining groove is axially extending along correspondence receiving space, and it is empty to be evenly distributed on above-mentioned receiving
In.
Preferably, arbitrary sleeve lining number of recesses is 4.
Speed limit movement device in the present invention, when driving shaft velocity of rotation is gradually accelerated, due to mounting blocks and driving shaft
Fix and rotate with driving shaft, the velocity of rotation of mounting blocks also gradually will be accelerated, when driving shaft velocity of rotation reaches a certain threshold value,
Centrifugation bar in receiving space overcomes the attraction of magnetic piece under the influence of centrifugal force, by fixture block structure and the groove of sleeve lining
Coordinate so that correspondence axle sleeve is rotated with driving shaft, so that information is sent to brake speed limiting system, carry out speed limit brake；By
In not coaxial sleeve inner housing space, the magnetic force size of set magnetic piece is different, so that driving shaft velocity of rotation reaches not
During with threshold value, touch not coaxial sleeve and information is sent to brake speed limiting system, so that brake speed limiting system can take difference
Speed limit braking strength, and avoid the generation of security incident.
Description of the drawings
Fig. 1 is a kind of structural representation of speed limit movement device proposed by the present invention；
Fig. 2 is schematic cross-section at an axle sleeve in Fig. 1.
Specific embodiment
As depicted in figs. 1 and 2, Fig. 1 is a kind of structural representation of speed limit movement device proposed by the present invention；Fig. 2 is Fig. 1
In schematic cross-section at an axle sleeve.
See figures.1.and.2, in one embodiment, a kind of speed limit movement device proposed by the present invention, including driving shaft 1
With multiple axle sleeves 2, axle sleeve 2 is parallel to be set on driving shaft 1；Have the receiving for accommodating above-mentioned driving shaft 1 empty in arbitrary axle sleeve 2
Between, a plurality of groove 21 formed comprising being caved in by the inwall of correspondence axle sleeve 2 in above-mentioned receiving space；Have in arbitrary receiving space
The mounting blocks fixed with driving shaft 1 and rotate with driving shaft 1, above-mentioned mounting blocks are provided with centrifugation bar 3 and magnetic piece 4, and bar 3 one is centrifuged
End be hinged with mounting blocks and the other end with the 21 corresponding fixture block structure of receiving space inner groovy, magnetic piece 4 and 1, driving shaft
In centrifugation 3 homonymy of bar；In 2 inner housing space of coaxial sleeve, the magnetic force size of set magnetic piece 4 is not different, each axle sleeve 2 with stop
Car speed limiting system connects.
In the above-described embodiments, when 1 velocity of rotation of driving shaft is gradually accelerated, as mounting blocks and driving shaft 1 are fixed simultaneously
Rotate with driving shaft 1, the velocity of rotation of mounting blocks also gradually will be accelerated, when 1 velocity of rotation of driving shaft reaches a certain threshold value, accommodate
Centrifugation bar 3 in space overcomes the attraction of magnetic piece 4 under the influence of centrifugal force, by fixture block structure and the groove of 2 inwall of axle sleeve
21 coordinate so that correspondence axle sleeve 2 is rotated with driving shaft 1, so as to send information to brake speed limiting system, carry out speed limit and stop
Car；Due to the magnetic force size of set magnetic piece 4 in not 2 inner housing space of coaxial sleeve it is different so that driving shaft 1 rotates speed
Degree touches not coaxial sleeve 2 and sends information to brake speed limiting system when reaching different threshold values, so that brake speed limiting system can be with
Different speed limit braking strengths are taken, and avoids the generation of security incident.
In further improved technical scheme, 2 inwall of arbitrary axle sleeve has 4 grooves 21 along correspondence receiving space axial direction
Extend, and be evenly distributed in above-mentioned receiving space, so that groove 21 is more steady with centrifugation 3 fixture block respective outer side edges of bar
It is fixed reliable.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (1)
1. a kind of speed limit movement device, it is characterised in that including driving shaft (1) and multiple axle sleeves (2), axle sleeve (2) is parallel to be arranged
On driving shaft (1)；There is in arbitrary axle sleeve (2) receiving space for accommodating above-mentioned driving shaft (1), include in above-mentioned receiving space
Caved in a plurality of groove (21) for being formed by the inwall of correspondence axle sleeve (2)；With with driving shaft (1) fixation simultaneously in arbitrary receiving space
With the mounting blocks that driving shaft (1) rotates, above-mentioned mounting blocks are provided with centrifugation bar (3) and magnetic piece (4), centrifugation bar (3) one end and peace
Dress block is hinged and the other end is with fixture block structure corresponding with the receiving space inner groovy (21), magnetic piece (4) and driving shaft (1) position
In centrifugation bar (3) homonymy；In coaxial sleeve (2) inner housing space, the magnetic force size of set magnetic piece (4) is not different, each axle sleeve
(2) it is connected with brake speed limiting system；
The groove (21) of arbitrary axle sleeve (2) inwall is axially extending along correspondence receiving space, and is circumferentially evenly distributed on above-mentioned receiving
In space；Groove (21) quantity of arbitrary axle sleeve (2) inwall is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609648.9A CN104370235B (en) | 2014-10-31 | 2014-10-31 | Speed limiting action device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609648.9A CN104370235B (en) | 2014-10-31 | 2014-10-31 | Speed limiting action device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104370235A CN104370235A (en) | 2015-02-25 |
| CN104370235B true CN104370235B (en) | 2017-05-03 |
Family
ID=52549483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410609648.9A Active CN104370235B (en) | 2014-10-31 | 2014-10-31 | Speed limiting action device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104370235B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745728B (en) * | 2019-10-31 | 2020-12-01 | 重庆工程职业技术学院 | Building material lifting device with anti-falling function |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3415343A (en) * | 1967-04-18 | 1968-12-10 | Alimak Verken Ab | Catch apparatus for the cages of scaffold elevators and the like |
| SU656945A1 (en) * | 1977-10-07 | 1979-04-15 | Всесоюзный конструкторско-технологический институт по механизации монтажных и специальных строительных работ | Hoist speed limiter |
| US4258832A (en) * | 1979-10-02 | 1981-03-31 | East Moline Metal Products Company | Automatically resetting safety brake |
| US4856623A (en) * | 1982-12-06 | 1989-08-15 | Romig Jr Byron A | Overspeed brake |
| CN2079613U (en) * | 1990-02-05 | 1991-06-26 | 中国建筑科学研究院建筑机械化研究所 | Safety device of pinion-and-rack type lifter for construction lift |
| CN201713167U (en) * | 2009-10-16 | 2011-01-19 | 南通八建集团有限公司 | Building construction elevator safety device |
| CN202883833U (en) * | 2012-09-13 | 2013-04-17 | 芜湖三六机械有限公司 | Centrifugal overspeed motion device |
| CN204173831U (en) * | 2014-10-31 | 2015-02-25 | 芜湖三六机械有限公司 | A kind of speed limit movement device |
-
2014
- 2014-10-31 CN CN201410609648.9A patent/CN104370235B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104370235A (en) | 2015-02-25 |
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