CN105819340A - Anti-falling device and hoisting device - Google Patents
Anti-falling device and hoisting device Download PDFInfo
- Publication number
- CN105819340A CN105819340A CN201610352054.3A CN201610352054A CN105819340A CN 105819340 A CN105819340 A CN 105819340A CN 201610352054 A CN201610352054 A CN 201610352054A CN 105819340 A CN105819340 A CN 105819340A
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- CN
- China
- Prior art keywords
- connecting rod
- hawser
- fall device
- drivewheel
- axis
- 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
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/02—Safety gear for retaining load-engaging elements in the event of rope or cable breakage
Abstract
The invention discloses an anti-falling device and a hoisting device. The anti-falling device comprises a driving wheel (1) and a driven wheel (2). The driving wheel (1) can rotate automatically. The driven wheel (2) is engaged with the driving wheel (1). The driving wheel (1) is provided with a first connecting rod. The driven wheel (2) is provided with a second connecting rod. One end of a first cable (3) is fixedly connected with the first connecting rod. The other end of the first cable (3) is connected to a containing lifting part (5). One end of a second cable (4) is fixedly connected with the second connecting rod, and the other end of the second cable (4) is connected to the containing lifting part (5). When the first cable (3) is vertically arranged, at least part of the second cable (4) is wound around the second connecting rod. Through the design, when danger such as hoisting cable breakage occurs, the containing lifting part can be lifted safely and is not likely to fall off, and accordingly production risks are greatly reduced.
Description
Technical field
The present invention relates to safe lifting appliance field, in particular it relates to anti-fall device and lifting appliance.
Background technology
In process of production, generally require and often use lifting appliance, but during the use of lifting appliance, lift by crane often through driven by motor hawser, and once phenomenons such as the hawser generation fractures lifted by crane, then can cause danger, thus bring loss to production.And use many hawsers of a driven by motor, then it is susceptible to because hawser arranges position not parity problem, there is the problems such as winding when causing hawser to use, thus cause motor idle running etc., and then cause the problems such as motor damage, use multiple motor then can be greatly improved production cost, reduce the market competitiveness.
Therefore it provides one is when lifting is with danger such as hawser generation fractures, it is possible to Sheng hanging piece is lifted by safety so that containing hanging piece and be unlikely to drop, the anti-fall device and the lifting appliance that are substantially reduced production risk are the problems that the present invention needs solution badly.
Summary of the invention
For above-mentioned prior art, it is an object of the invention to overcome in prior art during the use of lifting appliance, lift by crane often through driven by motor hawser, and once phenomenons such as the hawser generation fractures lifted by crane, then can cause danger, thus bring loss to production, and use many hawsers of a driven by motor, then it is susceptible to because hawser arranges position not parity problem, there is the problems such as winding when causing hawser to use, thus cause motor idle running etc., and then cause the problems such as motor damage, use multiple motor then can be greatly improved production cost, the problem reducing the market competitiveness, thus provide a kind of when danger such as lifting hawser generation fractures, can lift containing hanging piece safely, make to contain hanging piece to be unlikely to drop, it is substantially reduced anti-fall device and the lifting appliance of production risk.
To achieve these goals, the invention provides a kind of anti-fall device, wherein, described anti-fall device includes drivewheel and driven pulley, described drivewheel can rotation, described driven pulley is meshed with described drivewheel, and it is provided with first connecting rod on described drivewheel, it is provided with second connecting rod on described driven pulley, first hawser one end is affixed with described first connecting rod, the other end is connected to contain on hanging piece, second hawser one end is affixed with described second connecting rod, the other end is connected to contain on hanging piece, and when described first hawser is vertically arranged, described second hawser is at least partly wound around described second connecting rod.
Preferably, on the same line, the axis of the axis of described second connecting rod and described driven pulley is on the same line for the axis of the axis of described first connecting rod and described drivewheel.
Preferably, described second hawser includes first paragraph and second segment, and when described first hawser is vertically arranged, described first paragraph is wound around described second connecting rod and arranges, and described second segment is vertically arranged.
Preferably, described first connecting rod and described second connecting rod being additionally provided with multiple annular groove, described groove is also associated with hook, described first hawser is connected with described hook with described second hawser.
Preferably, the outer surface of the multiple described groove being arranged on described first connecting rod is different with the distance of the axis of described first connecting rod, and the outer surface of the multiple described groove being arranged on described second connecting rod is different with the distance of the axis of described second connecting rod.
Preferably, the outer surface of described first hawser and/or described second hawser is additionally provided with projection.
Preferably, the 3/4-5/4 of the length of a length of described second hawser of described first paragraph.
Preferably, the 3/4-5/4 of the length of a length of described second hawser of described second segment.
Present invention also offers a kind of lifting appliance, wherein, described lifting appliance includes according to anti-fall device described above, and the motor drive mechanism being connected with described first connecting rod, so that described motor drive mechanism can drive described first connecting rod to rotate.
nullAccording to technique scheme，The present invention is by arranging the driven pulley engaged with drivewheel，As long as making to use a driven by motor drivewheel to rotate，Driven pulley i.e. can be contrary with drivewheel rotation direction rotate，On drivewheel, connect the first hawser by first connecting rod simultaneously，The second hawser is connected on the driven wheel by second connecting rod，And the first hawser and the second hawser are connected with Sheng hanging piece respectively，So that rotated by driven by motor drivewheel，And it is further driven to the first hawser rotation，In the state being wound around or unclamping first connecting rod，Drivewheel drives driven pulley reversion simultaneously，The second hawser is made to unclamp or be wound around second connecting rod，Even and if then the first hawser unclamps，Especially first hawser loosens under more state，Second hawser is wrapped like state，Significantly slow down the falling speed containing hanging piece，Place Sheng hanging piece further and directly fall down the security incident caused，Simultaneously，Only use a motor，Greatly reduce energy consumption，And because the first hawser and the second hawser turn on the contrary，Thus do not have and tighten or relaxation state simultaneously，Substantially increase security performance.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of anti-fall device that the present invention provides；
Fig. 2 is a kind of first connecting rod of providing of the present invention or the structural representation of second connecting rod.
Description of reference numerals
1-drivewheel 2-driven pulley
3-the first hawser 4-the second hawser
5-contains hanging piece 6-groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
In the present invention, in the case of illustrating on the contrary, the noun of locality that " vertically, axis " etc. is included in term only represents this term orientation under normal service condition, or for being commonly called as of skilled artisan understands that, and it is not construed as the restriction to this term.
The invention provides a kind of anti-fall device, wherein, as shown in Figure 1, described anti-fall device includes drivewheel 1 and driven pulley 2, described drivewheel 1 can rotation, described driven pulley 2 is meshed with described drivewheel 1, and it is provided with first connecting rod on described drivewheel 1, it is provided with second connecting rod on described driven pulley 2, first hawser 3 one end is affixed with described first connecting rod, the other end is connected to contain on hanging piece 5, second hawser 4 one end is affixed with described second connecting rod, the other end is connected to contain on hanging piece 5, and when described first hawser 3 is vertically arranged, described second hawser 4 is at least partly wound around described second connecting rod.
nullThe driven pulley 2 that above-mentioned design is engaged with drivewheel 1 by setting，As long as making to use a driven by motor drivewheel 1 to rotate，Driven pulley 2 i.e. can be contrary with drivewheel 1 rotation direction rotate，On drivewheel 1, connect the first hawser 3 by first connecting rod simultaneously，Driven pulley 2 connects the second hawser 4 by second connecting rod，And the first hawser 3 is connected with Sheng hanging piece 5 respectively with the second hawser 4，So that rotated by driven by motor drivewheel 1，And be further driven to the first hawser 3 and rotate，In the state being wound around or unclamping first connecting rod，Drivewheel 1 drives driven pulley 2 to invert simultaneously，The second hawser 4 is made to unclamp or be wound around second connecting rod，Even and if then the first hawser 3 unclamps，Especially first hawser 3 loosens under more state，Second hawser 4 is wrapped like state，Significantly slow down the falling speed containing hanging piece 5，Place Sheng hanging piece 5 further and directly fall down the security incident caused，Simultaneously，Only use a motor，Greatly reduce energy consumption，And because the first hawser 3 and the second hawser 4 turn on the contrary，Thus do not have and tighten or relaxation state simultaneously，Substantially increase security performance.
Certainly, here first connecting rod and second connecting rod can be arranged at optional position, such as, the present invention one preferred embodiment in, so that rotating property is more preferable, and first hawser 3 and the second hawser 4 better when being wound around, on the same line, the axis of the axis of described second connecting rod and described driven pulley 2 is on the same line for the axis of the axis of described first connecting rod and described drivewheel 1.
Described second hawser 4 can be arranged in a conventional manner, such as, the present invention one preferred embodiment in, in order to reduce the second hawser 4 as far as possible because of length issue pullling the first hawser 3, described second hawser 4 includes first paragraph and second segment, and when described first hawser 3 is vertically arranged, described first paragraph is wound around described second connecting rod and arranges, and described second segment is vertically arranged.
As shown in Figure 2, the present invention one preferred embodiment in, so that described first hawser 3 is being wound around described first connecting rod, or described second hawser 4 can place the most firm when being wound around described second connecting rod, avoid landing, being also provided with multiple annular groove 6 on described first connecting rod and described second connecting rod, described groove 6 is also associated with hook, described first hawser 3 is connected with described hook with described second hawser 4.When the first hawser 3 or the second hawser 4 are wound around, can be placed in groove 6, it is to avoid the problem of its landing.
Certainly, in a kind of embodiment being more highly preferred to of the present invention, in order to be furthermore enable to regulate according to actual needs internal diameter during winding, it is easy to be adjusted according to different being actually needed of hanging piece 5 of containing, the outer surface of the multiple described groove 6 being arranged on described first connecting rod is different with the distance of the axis of described first connecting rod, and the outer surface of the multiple described groove 6 being arranged on described second connecting rod is different with the distance of the axis of described second connecting rod.By above-mentioned design so that the regulation of both lifting distances or speed can be realized by regulating the first hawser 3 and the groove 6 of the second hawser 4 placement.
It is further preferable that so that described first hawser 3 and/or described second hawser 4 frictional force when lifting are bigger, improve shock-absorbing capacity further, the outer surface of described first hawser 3 and/or described second hawser 4 be also provided with projection.
In a preferred embodiment, for cost-effective and reduction the second hawser 4 pullling the first hawser 3 of trying one's best, and improve second hawser 4 safety and stability when lifting, the 3/4-5/4 of the length of a length of described second hawser 4 of described first paragraph as far as possible.
Similarly, in another preferred embodiment, the 3/4-5/4 of the length of a length of described second hawser 4 of described second segment.
Present invention also offers a kind of lifting appliance, wherein, described lifting appliance includes according to anti-fall device described above, and the motor drive mechanism being connected with described first connecting rod, so that described motor drive mechanism can drive described first connecting rod to rotate.Thus rotate by driving first connecting rod rotation to be further driven to drivewheel 1.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can be carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in the case of reconcilable, can be combined by any suitable means, in order to avoid unnecessary repetition, various possible compound modes are illustrated by the present invention the most separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. an anti-fall device, it is characterized in that, described anti-fall device includes drivewheel (1) and driven pulley (2), described drivewheel (1) can rotation, described driven pulley (2) is meshed with described drivewheel (1), and it is provided with first connecting rod on described drivewheel (1), described driven pulley is provided with second connecting rod on (2), first hawser (3) one end is affixed with described first connecting rod, the other end is connected to contain on hanging piece (5), second hawser (4) one end is affixed with described second connecting rod, the other end is connected to contain on hanging piece (5), and when described first hawser (3) is vertically arranged, described second hawser (4) is at least partly wound around described second connecting rod.
Anti-fall device the most according to claim 1, it is characterized in that, on the same line, the axis of the axis of described second connecting rod and described driven pulley (2) is on the same line for the axis of the axis of described first connecting rod and described drivewheel (1).
Anti-fall device the most according to claim 1 and 2, it is characterized in that, described second hawser (4) includes first paragraph and second segment, and when described first hawser (3) is vertically arranged, described first paragraph is wound around described second connecting rod and arranges, and described second segment is vertically arranged.
Anti-fall device the most according to claim 1 and 2, it is characterized in that, multiple annular groove (6) it is additionally provided with on described first connecting rod and described second connecting rod, being also associated with hook on described groove (6), described first hawser (3) is connected with described hook with described second hawser (4).
Anti-fall device the most according to claim 4, it is characterized in that, the outer surface of the multiple described groove (6) being arranged on described first connecting rod is different with the distance of the axis of described first connecting rod, and the outer surface of the multiple described groove (6) being arranged on described second connecting rod is different with the distance of the axis of described second connecting rod.
Anti-fall device the most according to claim 1, it is characterised in that be additionally provided with projection on the outer surface of described first hawser (3) and/or described second hawser (4).
Anti-fall device the most according to claim 3, it is characterised in that the 3/4-5/4 of the length of a length of described second hawser (4) of described first paragraph.
Anti-fall device the most according to claim 3, it is characterised in that the 3/4-5/4 of the length of a length of described second hawser (4) of described second segment.
9. a lifting appliance, it is characterised in that described lifting appliance includes according to the anti-fall device described in any one in claim 1-8, and the motor drive mechanism being connected with described first connecting rod, so that described motor drive mechanism can drive described first connecting rod to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352054.3A CN105819340B (en) | 2016-05-25 | 2016-05-25 | Anti-fall device and lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352054.3A CN105819340B (en) | 2016-05-25 | 2016-05-25 | Anti-fall device and lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105819340A true CN105819340A (en) | 2016-08-03 |
| CN105819340B CN105819340B (en) | 2017-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610352054.3A Expired - Fee Related CN105819340B (en) | 2016-05-25 | 2016-05-25 | Anti-fall device and lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105819340B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188050A (en) * | 2017-06-23 | 2017-09-22 | 四川庞源机械工程有限公司 | A kind of crane with protective effect |
| CN107954307A (en) * | 2017-12-28 | 2018-04-24 | 浙江杨明斯金属制品有限公司 | One kind is based on construction site hawser anti-shedding mechanism |
| CN110194416A (en) * | 2019-05-29 | 2019-09-03 | 冯笠 | An a kind of portal frame anti-tenesmus card armful structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6053255A (en) * | 1998-06-23 | 2000-04-25 | Jack A. Crain | Blowout preventer lift apparatus and method |
| CN201501746U (en) * | 2009-09-27 | 2010-06-09 | 大连华锐股份有限公司 | Balance arm device for crane |
| CN203638992U (en) * | 2013-12-30 | 2014-06-11 | 宁夏建工集团有限公司 | Break-proof rope device of tower-type crane |
| CN204689509U (en) * | 2015-04-13 | 2015-10-07 | 天津鼎泰钢结构有限责任公司 | A kind of cable bridge formation winch |
| CN205772921U (en) * | 2016-05-25 | 2016-12-07 | 芜湖金欧机械制造有限公司 | Anti-fall device and lifting appliance |
-
2016
- 2016-05-25 CN CN201610352054.3A patent/CN105819340B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6053255A (en) * | 1998-06-23 | 2000-04-25 | Jack A. Crain | Blowout preventer lift apparatus and method |
| CN201501746U (en) * | 2009-09-27 | 2010-06-09 | 大连华锐股份有限公司 | Balance arm device for crane |
| CN203638992U (en) * | 2013-12-30 | 2014-06-11 | 宁夏建工集团有限公司 | Break-proof rope device of tower-type crane |
| CN204689509U (en) * | 2015-04-13 | 2015-10-07 | 天津鼎泰钢结构有限责任公司 | A kind of cable bridge formation winch |
| CN205772921U (en) * | 2016-05-25 | 2016-12-07 | 芜湖金欧机械制造有限公司 | Anti-fall device and lifting appliance |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188050A (en) * | 2017-06-23 | 2017-09-22 | 四川庞源机械工程有限公司 | A kind of crane with protective effect |
| CN107954307A (en) * | 2017-12-28 | 2018-04-24 | 浙江杨明斯金属制品有限公司 | One kind is based on construction site hawser anti-shedding mechanism |
| CN110194416A (en) * | 2019-05-29 | 2019-09-03 | 冯笠 | An a kind of portal frame anti-tenesmus card armful structure |
| CN110194416B (en) * | 2019-05-29 | 2020-07-21 | 四川和致建设工程有限公司 | Anti-falling clamping structure for portal frame |
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| Publication number | Publication date |
|---|---|
| CN105819340B (en) | 2017-10-03 |
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Granted publication date: 20171003 Termination date: 20180525 |
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