CN107662882A - A kind of hook with Self-unlocking and lock function - Google Patents
A kind of hook with Self-unlocking and lock function Download PDFInfo
- Publication number
- CN107662882A CN107662882A CN201711091635.7A CN201711091635A CN107662882A CN 107662882 A CN107662882 A CN 107662882A CN 201711091635 A CN201711091635 A CN 201711091635A CN 107662882 A CN107662882 A CN 107662882A
- Authority
- CN
- China
- Prior art keywords
- hook
- anticreep catch
- self
- unlocking
- anticreep
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 4
- 231100001261 hazardous Toxicity 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000020825 overweight Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/38—Crane hooks adapted for automatic disengagement from loads on release of cable tensions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The present invention relates to mechanical mechanism field, more particularly to a kind of hook with Self-unlocking and lock function, including the neck of hook, the coupler body being connected with the neck of hook, anticreep catch is additionally provided with the neck of hook, the anticreep catch can be rotated with the neck of hook by fixed axis connection, the anticreep catch relative to the fixing axle, the anticreep catch includes the first end of closing coupler body and the second end with remote anticreep catch first end, and the control unit of control anticreep catch rotation is additionally provided with the anticreep catch.Above-mentioned hook is used in combination by anticreep catch with control unit, and control unit controls the rotation of anticreep catch, it is possible to achieve the function for the unblock that is delayed, and then can prevent weight from slinging the danger dropped in transportation by collision obstacle.Because the anticreep catch of hook is in normally opened, the smooth disengaging hook of thing energy is hung, hazardous area is not required to the directly tactile hook of people and carries out solution extension work, reduces the risk in personnel's exposure hazard place.
Description
Technical field
The present invention relates to mechanical structure field, and in particular to a kind of hook with Self-unlocking and lock function.
Background technology
Industrial hoisting operations hang over weight on the hook of crane by rope often using hook.What is had is general
Logical hook does not prevent the part that weight comes off, and is happened occasionally in the process hazard of lifting.Another kind hook such as patent
CN202301409U, there is provided the part for preventing weight from coming off, and anti-shedding part is opened by hitting anti-dropout part when hanging weight
Part forms passage, hangs weight and enters rear defence releasing part return.Although this kind of hook has anti-dropout part, people is needed
Work, which opens anti-dropout part, could take out rope and other items.In some hazardous areas, personnel properly protect measure can just enter by
Anti-dropout part, which is opened, could take out rope and other items, also in the presence of certain risk.And in the range of crane operation, personnel's
The probability caused danger more long into rear residence time is bigger, and weight may collide during transport is sling
To barrier, collision is likely to result in dropping for weight and is unfavorable for the safety of operating personnel.
The content of the invention
It is an object of the invention to overcome to link up with the prior art to be unfavorable for the problem of operating personnel are safe, there is provided one kind tool
There is the hook of Self-unlocking and lock function, the Self-unlocking works as collision with function of the hook of lock function with delay unblock
During to barrier, hook will not unlock so as to add the security performance of hook at once.Some hazardous areas, personnel be not required into
Enter, hook, which can smoothly be linked into or depart from after in place, needs hanging object to hang hanging part part, eliminates the risk that personnel are exposed to hazardous area.
The purpose of the present invention is achieved by the following technical programs：
A kind of hook with Self-unlocking and lock function, including the neck of hook, the coupler body being connected with the neck of hook, also set up on the neck of hook
There is anticreep catch, for the anticreep catch with the neck of hook by fixed axis connection, the anticreep catch can be relative to the fixing axle
Rotation, the anticreep catch include the first end of closing coupler body and the second end with remote anticreep catch first end, the anticreep
The control unit of control anticreep catch rotation is additionally provided with catch.
When hook does not hang weight, anticreep catch is in open mode.When weight is added in hook, control unit controls
The rotation of anticreep catch makes coupler body be in closed state so as to close anticreep catch.Because coupler body is in closed state, can prevent
Weight is fallen off in transportation.When weight reaches specified location, control unit control again anticreep catch rotation so as to
Anticreep catch is opened, weight can is taken out out of coupler body, reduced the personnel to operate, and adds the security of construction.
Preferably, the control unit includes self solving lock assembly and pressure locking member.
When hook does not hang weight, anticreep catch is in open mode.When weight is added in hook, weight is by pressing
Power locking member, so that anticreep catch rotary closing anticreep catch.After weight reaches specified location, by shedding on hook
Tractive force, the stress in pressure locking member disappears, while self solves lock assembly auxiliary anticreep catch Unscrew anticreep catch.
So as to realize the Self-unlocking of hook and lock function.
The pressure locking member is to be arranged at the bearing plate of coupler body bottom, the second end of the bearing plate and anticreep catch
It is connected.
When weight is linked into hook, bearing plate down moves under the effect of the pressure, due to bearing plate and anticreep catch
Second end connects, and anticreep catch can be driven to rotate for bearing plate so that hook is closed.
Preferably, the lock assembly that self solves is resistance gauge, and the resistance gauge can reduce the speed of anticreep catch rotation.
In weight slings transportation, weight may bump to barrier so as to which pressure locking member is i.e. on bearing plate
Pressure reduce.Thus it is likely to cause anticreep catch opening, the dangerous situation that weight drops.After increasing a resistance gauge,
After the pressure on bearing plate reduces or disappears, anticreep catch is opened without opening at once after postponing a period of time.So
Can avoids colliding with barrier in transportation is sling and causes weight to drop.The safety for adding hook is so set
Property.
Preferably, the bearing plate is connected with anticreep catch by connecting rod or connecting rope.
Preferably, the resistance gauge includes cylinder body, spring and piston, and the spring is arranged at cylinder base, the work
Plug one end is connected the other end with spring and stretched out outside cylinder body.
Resistance gauge is an axle obturator, by cylinder body, piston and spring composition.
Preferably, the piston includes piston plate, and with the vertically disposed piston guide rod of piston plate, the piston plate with
Cylinder body forms close-fitting structure, and through hole is provided with the piston plate.
Preferably, the quantity of the through hole is 3 ~ 5.
Preferably, it is filled with liquid in the cylinder body.
The piston plate of piston is connected with spring, and one end of piston rod is connected with piston plate, and the other end stretches out cylinder body and anticreep
Catch is connected by connecting rod.When bearing plate has weight to push, bearing plate drives the motion of anticreep catch, and anticreep catch passes through company
Extension bar acts on piston, the downward compression spring of piston；After gravity unloading on bearing plate, the spring release energy storage of compression is living
Plug moves so as to drive connecting rod to promote anticreep catch to move upwards upwards.Because spring-return deformation is to need the regular hour
, it can thus slow down the speed of anticreep catch rotation, so as to avoid in weight slings transportation because of collision obstacle,
The risk that anticreep catch is opened at once.Cylinder body is divided into two regions up and down by piston plate, is provided with through hole on piston plate, in cylinder body
Filled with liquid, preferably hydraulic oil.The compression spring when piston is under pressure, the hydraulic oil of inferior part of the cylinder block are flowed into by through hole
To cylinder body top, and because the weight gravity on hook is bigger, the power being applied on piston is also bigger, inferior part of the cylinder block
Hydraulic oil can be flowed into cylinder body top rapidly.When piston loses pressure, spring discharges compressed energy-storage, promotes piston to transport upwards
Dynamic, the hydraulic oil on cylinder body top is back to bottom again by through hole, and the power being now subject on piston is lived when hanging weight much smaller than hook
Fill in the power that is subject to, thus hydraulic oil time of inferior part of the cylinder block is flow back into from cylinder body top can be long, simultaneously because the number of through hole
The limitation flow rate of liquid of the area of amount and through hole is relatively small, and spring effect lower cylinder body top and the bottom hydraulic oil reaches balance needs one
The fixed time, so can with one progress delay anticreep catch open time, when sling collide barrier in transportation when,
Power on bearing plate reduces, but being opened due to anticreep catch has delay, and the gravity after this section of delay on bearing plate is just
It is recovered, so as to avoid the danger that anticreep catch is opened weight and dropped.
Preferably, it is provided with hanging hole on the neck of hook.
It is that hook is connected with instruments such as ground jacks for convenience that hanging hole is set on the neck of hook.
The present invention has following technique effect compared with prior art：
A kind of hook with Self-unlocking and lock function, including the neck of hook, the coupler body being connected with the neck of hook, it is characterised in that described
Anticreep catch is additionally provided with the neck of hook, for the anticreep catch with the neck of hook by fixed axis connection, the anticreep catch can be relative
Rotated in the fixing axle, the anticreep catch include closing coupler body first end and with second away from anticreep catch first end
Hold, the control unit of control anticreep catch rotation is additionally provided with the anticreep catch.Above-mentioned hook passes through anticreep catch and control
Part processed is used in combination, and control unit controls the rotation of anticreep catch, it is possible to achieve the function for the unblock that is delayed, and then can be to prevent
Only weight slings the danger dropped in transportation by collision obstacle.Some hazardous areas, personnel are not required to enter, and hang
Can smoothly be linked into or depart from after being hooked to position needs hanging object to hang hanging part part, eliminates the risk that personnel are exposed to hazardous area.
Brief description of the drawings
Fig. 1 anticreep catch open mode links up with schematic diagram.
Fig. 2 anticreep catch shutoff device links up with schematic diagram.
Fig. 3 resistance gauge schematic diagrames.
The piston front view of Fig. 4 resistance gauges.
The piston top view of Fig. 5 resistance gauges.
Embodiment
Invention is further described with reference to embodiment.Wherein, being given for example only property of accompanying drawing illustrates, table
What is shown is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which the implementation of this patent is better described
Example, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；Those skilled in the art are come
Say, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Implement 1
A kind of hook with Self-unlocking and lock function, including the neck of hook 1, the coupler body 2 being connected with the neck of hook, also set on the neck of hook
Anticreep catch 3 is equipped with, the anticreep catch is connected with the neck of hook by fixing axle 4, and the anticreep catch can be relative to described solid
System of Rotating about Fixed Axis, the anticreep catch include the first end 31 of closing coupler body and the second end 32 with remote anticreep catch first end,
The control unit 5 of control anticreep catch rotation is additionally provided with the anticreep catch 3.
As a kind of preferred scheme, the control unit 5 includes self solving lock assembly and pressure locking member, the anti-off-gear
Piece includes the first end 31 of closing coupler body and the second end 32 with remote anticreep catch first end.
As a kind of preferred scheme, the pressure locking member is to be arranged at the bearing plate 51 of coupler body bottom, the pressure-bearing
Plate is connected with the second end 32 of anticreep catch.
As a kind of preferred scheme, the lock assembly that self solves is resistance gauge 52, and the resistance gauge can reduce anticreep catch
The speed of opening.Resistance gauge is connected with the second end 32 of anticreep catch by connecting rod 6.
As a kind of preferred scheme, the bearing plate is connected with anticreep catch by connecting rod or connecting rope 7.
As a kind of preferred scheme, the resistance gauge 52 includes cylinder body 521, spring 522 and piston 523, the spring
Cylinder base is arranged at, described piston one end connects the other end in spring 522 and stretched out outside cylinder body.
As a kind of preferred scheme, the piston guide rod includes piston plate 5231, and with the vertically disposed work of piston plate
Guide rod 5232 is filled in, the piston plate forms close-fitting structure with cylinder body, and the piston guide rod is stretched out outside cylinder body, the work
Through hole 8 is provided with plug disk, the number of openings is 4.
As a kind of preferred scheme, hydraulic oil is filled with the cylinder body.
As a kind of preferred scheme, hanging hole 11 is provided with the neck of hook.
Link up with nature, anticreep catch is in the state opened.When weight is linked into coupler body, weight, which pushes, to be held
Pressing plate, bearing plate drive anticreep catch to rotate by connecting rod, and so as to close coupler body, coupler body, which shows closed structure, prevents weight
Dropped in transportation is sling.When weight pushes bearing plate, anticreep catch acts on resistance gauge by connecting rod simultaneously
Piston, pressing spring under piston, while the hydraulic oil of inferior part of the cylinder block flows into cylinder body top.When weight reaches specified location or collision
During to barrier, the stress on bearing plate reduces or disappeared, and the spring of compression recovers deformation and promotes piston up to move, piston band
Dynamic anticreep catch rotation, because the deformation of spring recovers to need the regular hour, and because the hydraulic oil on cylinder body top flows back
To during inferior part of the cylinder block by the through hole limited flow rate on piston plate it is slack-off further increase spring recover deformation time, so as to
The function of anticreep catch delay unblock is realized, and then the weight triggered in transportation due to collision obstacle can be prevented
The danger that thing drops.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate this patent example, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of hook with Self-unlocking and lock function, including the neck of hook, the coupler body being connected with the neck of hook, it is characterised in that institute
State and anticreep catch is additionally provided with the neck of hook, for the anticreep catch with the neck of hook by fixed axis connection, the anticreep catch can phase
Rotated for the fixing axle, the anticreep catch include closing coupler body first end and with the away from anticreep catch first end
Two ends, the control unit of control anticreep catch rotation is additionally provided with the anticreep catch.
2. there is the hook of Self-unlocking and lock function according to claim 1, it is characterised in that the control unit includes
Self solve lock assembly and pressure locking member.
3. there is the hook of Self-unlocking and lock function according to claim 2, it is characterised in that the pressure locking member
To be arranged at the bearing plate of coupler body bottom, the bearing plate is connected with the second end of anticreep catch.
4. there is the hook of Self-unlocking and lock function according to claim 2, it is characterised in that the lock assembly that self solves is
Resistance gauge, the resistance gauge can reduce the speed of anticreep catch rotation.
5. there is the hook of Self-unlocking and lock function according to claim 3, it is characterised in that the bearing plate and anticreep
Catch is connected by connecting rod or connecting rope.
6. there is the hook of Self-unlocking and lock function according to claim 4, it is characterised in that the resistance gauge includes cylinder
Body, spring and piston, the spring are arranged at cylinder base, and described piston one end is connected the other end with spring and stretched out outside cylinder body
Portion.
7. there is the hook of Self-unlocking and lock function according to claim 6, it is characterised in that the piston includes piston
Disk, and form close-fitting structure, the piston with cylinder body with the vertically disposed piston guide rod of piston plate, the piston plate
Through hole is provided with disk.
8. there is the hook of Self-unlocking and lock function according to claim 7, it is characterised in that the quantity of the through hole is
3 ~ 5.
9. there is the hook of Self-unlocking and lock function according to claim 6, it is characterised in that be filled with the cylinder body
Liquid.
10. there is the hook of Self-unlocking and lock function according to claim 1, it is characterised in that set on the neck of hook
There is hanging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091635.7A CN107662882A (en) | 2017-11-08 | 2017-11-08 | A kind of hook with Self-unlocking and lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091635.7A CN107662882A (en) | 2017-11-08 | 2017-11-08 | A kind of hook with Self-unlocking and lock function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107662882A true CN107662882A (en) | 2018-02-06 |
Family
ID=61145114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711091635.7A Pending CN107662882A (en) | 2017-11-08 | 2017-11-08 | A kind of hook with Self-unlocking and lock function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107662882A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186766A (en) * | 2020-03-04 | 2020-05-22 | 广东电网有限责任公司 | Lifting hook |
| CN113692937A (en) * | 2021-09-29 | 2021-11-26 | 贵州电网有限责任公司 | Novel trees are felled device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05306089A (en) * | 1992-05-01 | 1993-11-19 | Nissan Motor Co Ltd | Suspension tool structure for crane arm |
| CN104364184A (en) * | 2012-05-15 | 2015-02-18 | 科恩起重机有限公司 | Lifting hook and safety latch for lifting hook |
| CN204823692U (en) * | 2015-08-03 | 2015-12-02 | 河南省三马起重机械有限公司 | From locking -type crane sling |
| KR20160131373A (en) * | 2015-05-07 | 2016-11-16 | 주식회사 포스코 | Hook Device |
| CN207451426U (en) * | 2017-11-08 | 2018-06-05 | 广东电网有限责任公司韶关供电局 | A kind of hook with Self-unlocking and lock function |
-
2017
- 2017-11-08 CN CN201711091635.7A patent/CN107662882A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05306089A (en) * | 1992-05-01 | 1993-11-19 | Nissan Motor Co Ltd | Suspension tool structure for crane arm |
| CN104364184A (en) * | 2012-05-15 | 2015-02-18 | 科恩起重机有限公司 | Lifting hook and safety latch for lifting hook |
| KR20160131373A (en) * | 2015-05-07 | 2016-11-16 | 주식회사 포스코 | Hook Device |
| CN204823692U (en) * | 2015-08-03 | 2015-12-02 | 河南省三马起重机械有限公司 | From locking -type crane sling |
| CN207451426U (en) * | 2017-11-08 | 2018-06-05 | 广东电网有限责任公司韶关供电局 | A kind of hook with Self-unlocking and lock function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186766A (en) * | 2020-03-04 | 2020-05-22 | 广东电网有限责任公司 | Lifting hook |
| CN113692937A (en) * | 2021-09-29 | 2021-11-26 | 贵州电网有限责任公司 | Novel trees are felled device |
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