CN105819340B - Anti-fall device and lifting appliance - Google Patents
Anti-fall device and lifting appliance Download PDFInfo
- Publication number
- CN105819340B CN105819340B CN201610352054.3A CN201610352054A CN105819340B CN 105819340 B CN105819340 B CN 105819340B CN 201610352054 A CN201610352054 A CN 201610352054A CN 105819340 B CN105819340 B CN 105819340B
- Authority
- CN
- China
- Prior art keywords
- hawser
- connecting rod
- driving wheel
- fall device
- driven pulley
- 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.)
- Expired - Fee Related
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of anti-fall device and lifting appliance, wherein, the anti-fall device includes driving wheel (1) and driven pulley (2), the driving wheel (1) being capable of rotation, the driven pulley (2) is meshed with the driving wheel (1), and it is provided with first connecting rod on the driving wheel (1), second connecting rod is provided with the driven pulley (2), first hawser (3) one end and the first connecting rod are affixed, the other end is connected on Sheng hanging piece (5), second hawser (4) one end and the second connecting rod are affixed, the other end is connected on Sheng hanging piece (5), and when first hawser (3) is vertically arranged, second hawser (4) at least partly winds the second connecting rod.By above-mentioned design, realize when the danger such as fracture occurs for lifting hawser, hanging piece can will be contained safely and be lifted so that contained hanging piece and be unlikely to drop, substantially reduce the effect of production risk.
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 often to use lifting appliance, but during the use of lifting appliance, often
It is to drive hawser to be lifted by crane by motor, and if the phenomenons such as fracture occur for hawser when lifting by crane, then can endangers
Danger, so as to bring loss to production.And many hawsers are driven using a motor, then easily occur because hawser set location is different
The problems such as, cause the problems such as hawser is wound when using, so that cause motor to dally etc., and then cause motor damage etc. to be asked
Topic, production cost can be then greatly improved using multiple motors, reduce the market competitiveness.
Therefore it provides it is a kind of when with hawser the danger such as fracture occurs for lifting, hanging piece can will be contained safely and be lifted, make
Hanging piece must be contained to be unlikely to drop, the anti-fall device and lifting appliance for substantially reducing production risk are asking for urgent need to resolve of the present invention
Topic.
The content of the invention
For above-mentioned prior art, it is an object of the invention to overcome use process in the prior art in lifting appliance
In, drive hawser to be lifted by crane often through motor, and if the phenomenons such as fracture occur for hawser when lifting by crane, then can
Cause danger, so as to bring loss to production, and many hawsers are driven using a motor, then easily occurred because hawser sets position
Not parity problem is put, causes the problems such as hawser is wound when using, so that cause motor to dally etc., and then cause motor damage
The problems such as, the problem of then greatly improving production cost, the reduction market competitiveness using multiple motors, so as to provide a kind of rising
When hanging with danger such as hawser generation fractures, hanging piece can will be contained safely and be lifted so that contained hanging piece and be unlikely to drop, drop significantly
The anti-fall device and lifting appliance of low production risk.
To achieve these goals, the invention provides a kind of anti-fall device, wherein, the anti-fall device includes driving wheel
And driven pulley, the driving wheel can rotation, the driven pulley is meshed with the driving wheel, and is provided with the driving wheel
Second connecting rod is provided with first connecting rod, the driven pulley, first hawser one end and the first connecting rod are affixed, other end connection
In containing on hanging piece, second hawser one end and the second connecting rod are affixed, and the other end is connected on Sheng hanging piece, and when first cable
When rope is vertically arranged, second hawser at least partly winds the second connecting rod.
Preferably, the axis of the axis of the first connecting rod and the driving wheel on the same line, the second connecting rod
Axis and the driven pulley axis on the same line.
Preferably, second hawser includes first paragraph and second segment, and when first hawser is vertically arranged, it is described
First paragraph winds the second connecting rod and set, and the second segment is vertically arranged.
Preferably, it is additionally provided with the first connecting rod and the second connecting rod on multiple annular grooves, the groove also
Hook is connected with, first hawser and second hawser are connected with the hook.
Preferably, the outer surface for the multiple grooves being arranged on the first connecting rod and the axis of the first connecting rod
Distance it is different, the outer surface for the multiple grooves being arranged on the second connecting rod and the axis of the second connecting rod
Distance it is different.
Preferably, it is additionally provided with projection on the outer surface of first hawser and/or second hawser.
Preferably, the length of the first paragraph is the 3/4-5/4 of the length of second hawser.
Preferably, the length of the second segment is the 3/4-5/4 of the length of second hawser.
Present invention also offers a kind of lifting appliance, wherein, the lifting appliance is included according to anti-fall dress described above
Put, and the motor drive mechanism being connected with the first connecting rod, to enable the motor drive mechanism to drive the first connecting rod to turn
It is dynamic.
According to above-mentioned technical proposal, the present invention is by setting the driven pulley engaged with driving wheel so that as long as using one
Motor drives driving wheel to rotate, and driven pulley is rotation direction rotation that can be opposite with driving wheel, while passing through on driving wheel
First connecting rod connects the first hawser, connects the second hawser by second connecting rod on the driven wheel, and by the first hawser and the second cable
Rope is connected with containing hanging piece respectively, so that driving driving wheel to rotate by motor, and is further driven to the rotation of the first hawser, is in
Winding or the state for unclamping first connecting rod, while driving wheel drives driven pulley reversion so that the second hawser unclamps or winding second
Connecting rod, even and if then the first hawser unclamp, especially the first hawser loosen it is more in the state of, the second hawser is wrapped like state,
Slow down the falling speed for containing hanging piece significantly, further place Sheng hanging piece and directly fall down the security incident caused, meanwhile, only use one
Individual motor, greatly reduces energy consumption, and because the first hawser and the second hawser turn on the contrary, thus be not in and meanwhile tighten or
It is relaxation state, substantially increases security performance.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation for anti-fall device that the present invention is provided；
Fig. 2 is the structural representation of a kind of first connecting rod that the present invention is provided or second connecting rod.
Description of reference numerals
1- driving wheel 2- driven pulleys
3- the first hawser the second hawsers of 4-
5- contains hanging piece 6- grooves.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality included in term such as " vertical, axis " is only
Represent orientation of the term under normal service condition, or be skilled artisan understands that be commonly called as, and be not construed as to this
The limitation of term.
The invention provides a kind of anti-fall device, wherein, as shown in figure 1, the anti-fall device includes driving wheel 1 and driven
Wheel 2, the driving wheel 1 can rotation, the driven pulley 2 is meshed with the driving wheel 1, and is provided with the driving wheel 1
Second connecting rod is provided with first connecting rod, the driven pulley 2, the one end of the first hawser 3 and the first connecting rod are affixed, the other end connects
It is connected on Sheng hanging piece 5, the one end of the second hawser 4 and the second connecting rod are affixed, the other end is connected on Sheng hanging piece 5, and when described
When first hawser 3 is vertically arranged, second hawser 4 at least partly winds the second connecting rod.
Above-mentioned design is by setting the driven pulley 2 engaged with driving wheel 1 so that as long as driving driving wheel using a motor
1 rotates, and driven pulley 2 is rotation direction rotation that can be opposite with driving wheel 1, while being connected on driving wheel 1 by first connecting rod
The first hawser 3 is connect, second hawser 4 is connected by second connecting rod on driven pulley 2, and the first hawser 3 and the second hawser 4 are distinguished
Be connected with containing hanging piece 5, so that being rotated by motor drive driving wheel 1, and be further driven to the first hawser 3 and rotate, in twining
Around or unclamp first connecting rod state, while driving wheel 1 drive driven pulley 2 invert so that the second hawser 4 unclamps or wound second
Connecting rod, even and if then the first hawser 3 unclamp, especially the first hawser 3 loosen it is more in the state of, the second hawser 4 is wrapped like
State, slows down the falling speed for containing hanging piece 5 significantly, further places Sheng hanging piece 5 and directly falls down the security incident caused, meanwhile, only
Using a motor, energy consumption is greatly reduced, and because the first hawser 3 and the second hawser 4 are turned on the contrary, being not in thus same
When tighten or relaxation state, substantially increase security performance.
Certainly, first connecting rod and second connecting rod here can be arranged at optional position, for example, in a kind of excellent of the present invention
In the embodiment of choosing, in order that obtain rotating property more preferably, and it is better when the first hawser 3 and the winding of the second hawser 4, it is described
The axis of the axis of first connecting rod and the driving wheel 1 on the same line, the axis of the second connecting rod and the driven pulley 2
Axis on the same line.
Second hawser 4 can be set in a conventional manner, for example, in one kind of the invention preferred embodiment
In, in order to reduce as far as possible the second hawser 4 because of length issue pullling to the first hawser 3, second hawser 4 include first paragraph
And second segment, and when first hawser 3 is vertically arranged, the first paragraph winds the second connecting rod and set, described second
Section is vertically arranged.
As shown in Fig. 2 the present invention it is a kind of preferred embodiment in, in order that first hawser 3 winding
The first connecting rod, or second hawser 4 can place more firm when winding the second connecting rod, it is to avoid slide,
It is also provided with being also associated with hanging on multiple annular grooves 6, the groove 6 on the first connecting rod and the second connecting rod
Hook, first hawser 3 and second hawser 4 are connected with the hook.When the first hawser 3 or the second hawser 4 are wound,
It 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 according to actual need
Internal diameter during winding is adjusted, is easy to be adjusted according to different being actually needed for hanging piece 5 of Sheng, is arranged at the first connecting rod
On multiple grooves 6 outer surface and the distance of the axis of the first connecting rod it is different, be arranged at it is described second connect
The outer surface of multiple grooves 6 on bar and the distance of the axis of the second connecting rod are different.By above-mentioned design, make
Obtaining can be by adjusting the groove 6 that the first hawser 3 and the second hawser 4 are placed, to realize the tune of both lifting distances or speed
Section.
It is further preferable that in order that obtaining the frictional force of first hawser 3 and/or second hawser 4 in lifting more
Greatly, further improve shock-absorbing capacity, be also provided with the outer surface of first hawser 3 and/or second hawser 4 convex
Rise.
In a preferred embodiment, for cost-effective and second 4 pair of first hawser 3 of hawser of reduction as far as possible drawing
Pull, and improve safety and stability of second hawser 4 in lifting as far as possible, the length of the first paragraph is second cable
The 3/4-5/4 of the length of rope 4.
Similarly, in another preferred embodiment, the length of the second segment is the length of second hawser 4
3/4-5/4。
Present invention also offers a kind of lifting appliance, wherein, the lifting appliance is included according to anti-fall dress described above
Put, and the motor drive mechanism being connected with the first connecting rod, to enable the motor drive mechanism to drive the first connecting rod to turn
It is dynamic.So as to be rotated by driving first connecting rod to rotate to be further driven to driving wheel 1.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (5)
1. a kind of anti-fall device, it is characterised in that the anti-fall device includes driving wheel (1) and driven pulley (2), the driving wheel
(1) can rotation, the driven pulley (2) is meshed with the driving wheel (1), and is provided with the first company on the driving wheel (1)
Second connecting rod is provided with bar, the driven pulley (2), the first hawser (3) one end and the first connecting rod are affixed, other end connection
In containing on hanging piece (5), the second hawser (4) one end and the second connecting rod are affixed, and the other end is connected on Sheng hanging piece (5), and work as
When first hawser (3) is vertically arranged, second hawser (4) at least partly winds the second connecting rod；
The axis of the axis of the first connecting rod and the driving wheel (1) on the same line, the axis of the second connecting rod with
The axis of the driven pulley (2) is on the same line；
Projection is additionally provided with the outer surface of first hawser (3) and/or second hawser (4).
2. anti-fall device according to claim 1, it is characterised in that second hawser (4) includes first paragraph and second
Section, and when first hawser (3) is vertically arranged, the first paragraph winds the second connecting rod and set, the second segment is erected
It is straight to set.
3. anti-fall device according to claim 1 or 2, it is characterised in that on the first connecting rod and the second connecting rod
It is additionally provided with multiple annular grooves (6), the groove (6) and is also associated with hook, first hawser (3) and second cable
Rope (4) is connected with the hook.
4. anti-fall device according to claim 3, it is characterised in that be arranged at multiple described recessed on the first connecting rod
The outer surface of groove (6) and the distance of the axis of the first connecting rod are different, are arranged at multiple institutes on the second connecting rod
Outer surface and the distance of the axis of the second connecting rod for stating groove (6) are different.
5. a kind of lifting appliance, it is characterised in that the lifting appliance is included according to any one in claim 1-4
Anti-fall device, and the motor drive mechanism being connected with the first connecting rod, to enable the motor drive mechanism to drive described first
Link rotatable.
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 CN105819340A (en) | 2016-08-03 |
| CN105819340B true CN105819340B (en) | 2017-10-03 |
Family
ID=56531183
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) |
Families Citing this family (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 |
| 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 |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105819340A (en) | 2016-08-03 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20180525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |