CN105060106B - Lifting hook and crane comprising same - Google Patents
Lifting hook and crane comprising same Download PDFInfo
- Publication number
- CN105060106B CN105060106B CN201510432866.4A CN201510432866A CN105060106B CN 105060106 B CN105060106 B CN 105060106B CN 201510432866 A CN201510432866 A CN 201510432866A CN 105060106 B CN105060106 B CN 105060106B
- Authority
- CN
- China
- Prior art keywords
- hook
- face
- free end
- shifting block
- housing plate
- 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
- 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
Abstract
The invention discloses a lifting hook and a crane comprising the same. The lifting hook comprises a hook frame plate, a pulley and a hook body. The hook frame plate is composed of two parallel plate blocks. The pulley is supported in the hook frame plate through a rotation shaft. The hook body is provided with two L-shaped claws which are symmetrically arranged and connected to the two sides of the hook frame plate through a rotation pair. The lower free end face of each claw is arc, each arc end face is longitudinally divided, and a half of each arc end face is removed, so that each free end face comprises a stretching arc end and a concave arc end, and the stretching arc ends and the concave arc ends of the two claws are matched. An upper free end which inclines in the direction away from the outer end face of the hook frame plate is arranged on the joint of each claw and the hook frame plate. The rotation shaft is further provided with a poking block which does not rotate relative to the rotation shaft. When the poking block is engaged with the oblique end face of the upper free end, the lower free ends of the two claws are matched with each other, and when the poking block is disengaged from the oblique end face of the upper free end, the lower free ends of the two claws are separated. By means of the lifting hook, a lifting rope is easy and convenient to install or take out, and the lifting rope can be prevented from dropping.
Description
Technical field
The invention belongs to engineering machinery field, particularly to a kind of suspension hook and the crane with this suspension hook.
Background technology
Suspension hook commonly used in the prior art, for preventing lifting rope from slipping from suspension hook, suspension hook coupler body opening side is mounted with to keep off
Plate mounting seat, baffle plate includes the turning end being oppositely arranged and free end, and turning end is arranged in baffle installation base by bearing pin, from
Can be rotated around bearing pin by end, torsionspring acts on suspension hook coupler body and baffle plate makes baffle plate close coupler body opening.The gear of this suspension hook
Plate can take the area of opening, if lifting rope size is larger, lifting rope can be made to load taking-up relatively difficult.Chinese invention patent description
Cn201210132681.8 discloses a kind of suspension hook, as shown in figure 1, the baffle plate of this suspension hook includes first baffle section 1‘, second gear
Plate section 3＇, the first torsionspring 2＇With the second torsionspring 4＇, and first baffle section 1＇With second baffle 3＇Away from internal empty
Between side pivot joint, such baffle plate have closing opening anticreep state and open opening anticreep release state.This suspension hook
Coupler body opening can fully be opened, but needs first to rotate first baffle section to inside coupler body, then rotates second gear to outside coupler body
Large scale lifting rope could be loaded and take out, the construction of baffle plate is more complicated simultaneously by plate section.
Content of the invention
For drawbacks described above, present invention solves the technical problem that being, provide a kind of suspension hook, this suspension hook loads taking-up lifting rope
Simple and convenient, and be prevented from lifting rope and slip in suspension hook, the crane with this suspension hook is provided simultaneously.
The present invention solves above-mentioned technical problem and employs the following technical solutions to realize: a kind of suspension hook, including hook housing plate, pulley
And coupler body, hook housing plate is parallel to each other and form through the fixing plate of bolt connection by two panels, and pulley is through rotating shaft support in hook housing plate
In, described coupler body has two l type hooks being symmetrically installed and is connected to described hook housing plate both sides to rotate pair, under this hook certainly
It is arc by end face, longitudinally split and reject 1/2nd materials along this curved end, so that lower free end is had and stretch out arc tips
With recessed arc tips, hook stretch out arc tips and the recessed arc tips recessed arc tips with another hook being symmetrically installed respectively
Form an entirety with stretching out arc tips cooperation；Hook is having edge to incline away from hook housing plate outer face direction with hook housing plate junction
Oblique upper free end, rotating shaft is also respectively in the shifting block of hook housing plate both sides, no relatively rotates between shifting block and rotating shaft, and wherein one
It is additionally provided with the shifting block of side and dial handle, when shifting block and upper free end inclined end face phase wedging, free end under the l type hook being symmetrically installed
Cooperation, when shifting block and upper free end inclined end face are separated, under the l type hook being symmetrically installed, free end departs from.
As the improvement of the present invention, described hook housing plate is additionally provided with described shifting block is carried out spacing locking spacing preiection and
Dehooking limit is raised, and this locking spacing preiection is contacted with the front end face of described shifting block and rear end face respectively with dehooking limit projection.
As the improvement of the present invention, the leading flank that described shifting block is first contacted with free end on described hook at it is provided with wedge
Angle.
Present invention also offers a kind of crane, including aforesaid suspension hook.
The suspension hook of the present invention, because coupler body has two l type hooks being symmetrically installed, and the lower free end of two hooks is permissible
It is combined together, in the inclination of hook, free end can be coordinated with shifting block.When lifting rope is loaded suspension hook, only two hooks need to be applied
Plus opposite power, make free end under two hooks close, and upper free end and the distance of hook housing plate increase, and stir shifting block handle, make
Shifting block turns to its side and free end inclined end face wedging on hook, and shifting block front end face touches locking spacing preiection and keeps quiet
Only, now the lower free end cooperation of two hooks is integral, prevents lifting rope from slipping；When lifting rope is taken out suspension hook, only need to stir
Block handle, is made shifting block turn to its side and is departed from free end inclined end face on hook, it is convex that shifting block rear end face touches dehooking limit
Play remains stationary, if now there being tensioning pulling force in lifting rope, the lower free end of two hooks departs from can be under the deadweight of lifting rope and pulling force
Voluntarily open, if no tensioning pulling force and lifting rope are again relatively light in lifting rope, only two hooks need to be pushed aside manually.Therefore, this hangs
Hook can not only anticreep, and the dress of lifting rope takes and is convenient to, and Suspension hook structure is also relatively simple.
Brief description
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described.
Fig. 1 is the structural representation of the crane hook of prior art.
Fig. 2 is the structural representation under anticreep state for the crane hook of the present invention.
Fig. 3 is the crane hook structural representation in the on-state of the present invention.
1 in Fig. 1＇. the first torsionspring 2＇. first baffle section 3＇. the second torsionspring 4＇. second baffle section.
On 1. hook housing plate, 2. pulley, 3. locking spacing preiection 4., 5. times free ends of shifting block front end face 6. in Fig. 2 freely
Hold 7. angle of wedge 8. dehooking limit projection 9. shifting block 10. handle.
In Fig. 3,11. recessed arc tips 12. stretch out arc tips 13. shifting block rear end face 14. rotating shaft.
Specific embodiment
As shown in Figure 2 and Figure 3, the suspension hook of the present invention includes hook housing plate 1, pulley 2 and coupler body, and hook housing plate 1 is mutually equal by two panels
Row and the plate composition fixed through bolt connection, pulley 2 is supported in hook housing plate 1 through rotating shaft 14, and coupler body has two symmetrical peaces
The l type hook of dress is simultaneously connected to hook housing plate 1 both sides to rotate pair, and under this hook, the end face of free end 5 is arc, along this arc tips
Face is longitudinally split and rejects 1/2nd materials, so that lower free end 5 is had and stretches out arc tips 12 and recessed arc tips 11, hook
Stretch out arc tips 12 and recessed arc tips 11 respectively with the recessed arc tips of another hook being symmetrically installed and stretch out arc tips and join
Close and form an entirety；Hook is being had along the upper free end tilting away from hook housing plate 1 outer face direction with hook housing plate 1 junction
6, rotating shaft 14 is also respectively in the shifting block 9 of hook housing plate 1 both sides, no relatively rotates between shifting block 9 and rotating shaft 14, wherein side
It is additionally provided with shifting block 9 and dial handle 10, when shifting block 9 and upper free end 6 inclined end face phase wedging, free end 5 under the hook being symmetrically installed
Cooperation, when shifting block 9 and upper free end 6 inclined end face are separated, under the hook being symmetrically installed, free end 5 departs from.
It is additionally provided with hook housing plate 1 and shifting block 9 is carried out with spacing locking spacing preiection 3 and dehooking limit projection 8, this locking limits
Position raised 3 is contacted with the front end face 4 of shifting block 9 and rear end face 13 respectively with dehooking limit projection 8.First connect with free end on hook 6
The leading flank of tactile shifting block 9 is provided with the angle of wedge 7.
When lifting rope is loaded suspension hook, now under the hook of suspension hook, free end 5 is separate, needs hook is somewhat applied
Certain active force, makes the lower free end 5 of hook more close to each other, so also allows for stirring handle 10, make hook housing plate 1 both sides
Shifting block 9 rotate, the angle of wedge 7 of shifting block 9 will enter the space between free end 6 and hook housing plate 1 on hook, shifting block 9 beneficial to shifting block 9
On side and hook, free end 6 end face is in close contact, and make hook around its secondary with the rotation of hook housing plate 1 rotate, hook lower from
It is connected by end 5 and is integrally formed, shifting block front end face 4 touches remains stationary after locking spacing preiection 3, the lower free end of hook
5 closures, when suspension hook is in lift heavy, at weight action of gravity free end 5 closing under hook, suspension hook can reliably be prevented
Only lifting rope slips.
When taking out lifting rope, now need to stir handle 10, make shifting block 9 between free end 6 and hook housing plate 1 from hook
Space in withdraw from, shifting block 9 turns to end face 13 thereafter and touches dehooking limit projection 8, shifting block 9 remains stationary, to hook somewhat
Applying certain active force just can by the lower free end 5 of two hooks separately, and lifting rope is voluntarily deviate from.
The suspension hook of above example is mainly used in crane, and steel wire rope one end of crane bypasses the pulley 2 of suspension hook
After locked.When needing to take out lifting rope, lift heavy is placed on correct position by crane, and now on lift heavy and suspension hook
Lifting rope typically still can be in tensioning state, or there is remaining tensile force, shifting block 9 side is taken off with the end face of free end 6 on hook
From rear, under hook, free end 5 voluntarily can disengage in the presence of lifting rope deadweight and tensile force, and because the lifting rope of lift heavy is general
Heavier, free end 5 under hook also can be made under its own action of gravity to disengage.Therefore, can to make to hang load work more square for the present invention
Just reliably carry out.
Above example is not limited to the provided diagram of this case.It will be understood by those within the art that, permissible
Technical scheme is modified or equivalent, the objective without deviating from technical solution of the present invention and scope, its
All should cover in the middle of scope of the presently claimed invention.
Claims (4)
1. a kind of suspension hook, including hook housing plate, pulley and coupler body, hook housing plate is parallel to each other and through the fixing plate of bolt connection by two panels
Block form, pulley through rotating shaft support in hook housing plate it is characterised in that
- described coupler body has two l type hooks being symmetrically installed and is connected to described hook housing plate both sides, this hook to rotate pair
Lower free end face is arc, longitudinally split and reject 1/2nd materials along this curved end, so that described lower free end is had and stretches
Go out arc tips and recessed arc tips, described hook stretch out arc tips and recessed arc tips respectively with another hook being symmetrically installed
Recessed arc tips and stretch out arc tips cooperation and form an entirety；
- described hook is having along the upper free end tilting away from described hook housing plate outer face direction with hook housing plate junction, described
The shifting block of described hook housing plate both sides is also respectively on rotating shaft, no relatively rotates between shifting block and rotating shaft, wherein the shifting block of side
On be additionally provided with dial handle, when described shifting block and described upper free end inclined end face phase wedging, under the described l type hook being symmetrically installed oneself
With end, when described shifting block and described upper free end inclined end face are separated, free end under the described l type hook being symmetrically installed
Depart from.
2. a kind of suspension hook according to claim 1 is carried out it is characterised in that being additionally provided with described hook housing plate to described shifting block
Spacing locking spacing preiection and dehooking limit are raised, this locking spacing preiection and dehooking limit raised respectively with described shifting block
Front end face contacts with rear end face.
3. a kind of suspension hook according to claim 1 and 2 is it is characterised in that described shifting block is free with described hook at it
The leading flank first contacting is held to be provided with the angle of wedge.
4. a kind of crane, including suspension hook it is characterised in that described suspension hook is hanging any one of claims 1 to 3
Hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510432866.4A CN105060106B (en) | 2015-07-22 | 2015-07-22 | Lifting hook and crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510432866.4A CN105060106B (en) | 2015-07-22 | 2015-07-22 | Lifting hook and crane comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105060106A CN105060106A (en) | 2015-11-18 |
| CN105060106B true CN105060106B (en) | 2017-02-01 |
Family
ID=54489700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510432866.4A Active CN105060106B (en) | 2015-07-22 | 2015-07-22 | Lifting hook and crane comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105060106B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185676B (en) * | 2016-08-30 | 2018-08-21 | 福建省东山县辉永泰体育用品实业有限公司 | A kind of pulley blocks with stop protection |
| CN106525374B (en) * | 2017-01-03 | 2019-02-15 | 南通四方罐式储运设备制造有限公司 | A kind of container fall-down test device |
| CN111807214B (en) * | 2020-07-16 | 2022-05-13 | 徐州中地探矿机械科技有限公司 | Crawler-type trolley and anti-falling device thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB848309A (en) * | 1959-02-16 | 1960-09-14 | Blackburn Group Ltd | Improvements in and relating to release devices |
| JP4030022B1 (en) * | 2007-07-05 | 2008-01-09 | 吉徳 尾▲崎▼ | Hanging jig |
| CN202038810U (en) * | 2010-10-21 | 2011-11-16 | 中国石油化工集团公司 | Double-segment mousing-hook device for crane |
| CN202098971U (en) * | 2011-05-25 | 2012-01-04 | 王建刚 | Self-locking safety hook |
| CN202131001U (en) * | 2011-06-03 | 2012-02-01 | 四川省川建管道有限公司 | Waste pipe remelting lifting appliance for cast tube products |
| CN102659022B (en) * | 2012-05-02 | 2014-07-09 | 中联重科股份有限公司 | Lifting hook and crane with same |
| CN202808187U (en) * | 2012-09-17 | 2013-03-20 | 巨石集团有限公司 | Dual-opening-closing self-locking lifting hook |
-
2015
- 2015-07-22 CN CN201510432866.4A patent/CN105060106B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105060106A (en) | 2015-11-18 |
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