CN105060106A - Lifting hook and crane comprising same - Google Patents

Lifting hook and crane comprising same Download PDF

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Publication number
CN105060106A
CN105060106A CN201510432866.4A CN201510432866A CN105060106A CN 105060106 A CN105060106 A CN 105060106A CN 201510432866 A CN201510432866 A CN 201510432866A CN 105060106 A CN105060106 A CN 105060106A
Authority
CN
China
Prior art keywords
hook
free
shifting block
housing plate
arc
Prior art date
Application number
CN201510432866.4A
Other languages
Chinese (zh)
Other versions
CN105060106B (en
Inventor
张明勤
马荣全
姚玉善
原政军
孟宪举
苗冬梅
金钢
韩立芳
王晴
靳斐
Original Assignee
山东建筑大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 山东建筑大学 filed Critical 山东建筑大学
Priority to CN201510432866.4A priority Critical patent/CN105060106B/en
Publication of CN105060106A publication Critical patent/CN105060106A/en
Application granted granted Critical
Publication of CN105060106B publication Critical patent/CN105060106B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34Crane hooks
    • B66C1/36Crane 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

A kind of suspension hook and there is the hoisting crane of this suspension hook
Technical field
The invention belongs to engineering machinery field, particularly a kind of suspension hook and there is the hoisting crane of this suspension hook.
Background technology
Suspension hook conventional in prior art, for preventing lifting rope slippage from suspension hook, baffle installation base has been installed in suspension hook coupler body opening side, baffle plate comprises the turning end and free end that are oppositely arranged, turning end is arranged in baffle installation base by bearing pin, free end can rotate around bearing pin, and torsion spring acts on suspension hook coupler body and baffle plate makes baffle plate close coupler body opening.The baffle plate of this suspension hook can take the area of opening, if lifting rope size is comparatively large, lifting rope can be made to load taking-up more difficult.Chinese invention patent specification sheets CN201210132681.8 discloses a kind of suspension hook, as shown in Figure 1, the baffle plate of this suspension hook comprises the first baffle plate section 1, second baffle section 3, first torsion spring 2 and the second torsion spring 4, and the first baffle plate section 1 and second baffle 3 are away from the pivot joint of side, inner space, such baffle plate has the anticreep state of closing openings and opens the anticreep disarm state of opening.This suspension hook coupler body opening can fully be opened, but needs first inside coupler body, to rotate the first baffle plate section, then rotate second baffle section outside coupler body, large scale lifting rope could be loaded and take out, the structure more complicated of baffle plate simultaneously.
Summary of the invention
For above-mentioned defect, the technical matters that the present invention solves is, provides a kind of suspension hook, and it is simple and convenient that this suspension hook loads taking-up lifting rope, and lifting rope can be prevented from slippage in suspension hook, provides the hoisting crane with this suspension hook simultaneously.
The present invention solves the problems of the technologies described above and realizes by the following technical solutions: a kind of suspension hook, comprise hook housing plate, pulley and coupler body, hook housing plate is parallel to each other and form through the plate that bolt is connected and fixed by two panels, pulley through rotating shaft support in hook housing plate, described coupler body has the L-type hook of two symmetrical installations and is connected to described hook housing plate both sides with revolute pair, under this hook, free end face is arc, longitudinally split along this curved end and reject 1/2nd materials, lower free end is had and stretches out arc tips and recessed arc tips, the recessed arc tips of stretching out another hook that arc tips and recessed arc tips are installed with symmetry respectively of hook and stretch out arc tips and coordinate and form an entirety, hook is having along the upper free end that tilts away from hook housing plate outer face direction with hook housing plate junction, rotating shaft is respectively in addition the shifting block of hook housing plate both sides, without relatively rotating between shifting block and rotating shaft, the shifting block of wherein side is also provided with and dials handle, when shifting block and upper free end inclined end face phase wedging, under the symmetrical hook installed, free end coordinates, and when shifting block and upper free end inclined end face are separated, under the symmetrical hook installed, free end departs from.
As improvement of the present invention, described hook housing plate is also provided with and carries out spacing locking spacing preiection and dehooking limit projection to described shifting block, this locking spacing preiection contacts with aft end face with the front end face of described shifting block respectively with dehooking limit projection.
As improvement of the present invention, the leading flank of the described shifting block first contacted with free end on hook is provided with the angle of wedge.
Present invention also offers a kind of hoisting crane, comprise aforesaid suspension hook.
Suspension hook of the present invention, because coupler body has two symmetrical L-type hooks installed, and the lower free end of two hooks can be combined together, and in the inclination of hook, free end can coordinate with shifting block.When lifting rope is loaded suspension hook, only need to two hooks applyings power in opposite directions, under making two hooks, free end is close, and the distance of upper free end and hook housing plate increases, stir shifting block handle, make shifting block turn to free end inclined end face wedging on its side and hook, shifting block front end face touches locking spacing preiection and keeps static, now the lower free end of two hooks fits in one, prevents lifting rope slippage; When lifting rope is taken out suspension hook, only need stir shifting block handle, make shifting block turn to free end inclined end face on its side and hook to depart from, shifting block aft end face touches dehooking limit projection and keeps static, if now have tensioning pulling force in lifting rope, the lower free end disengaging of two hooks can be opened voluntarily under the deadweight and pulling force of lifting rope, if in lifting rope without tensioning pulling force and also lifting rope comparatively light again, two hooks manually need to be pushed aside.Therefore, this suspension hook can not only anticreep, and the dress of lifting rope is got also very convenient, and Suspension hook structure is also comparatively simple.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, 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 of crane hook of the present invention under anticreep state.
Fig. 3 is crane hook of the present invention structural representation in the on-state.
1. first torsion spring 2. first baffle plate section 3. second torsion spring 4. second baffle sections in Fig. 1.
Protruding 9. shifting block 10. handles of free end 7. angle of wedge 8. dehooking limit on 1. hook housing plate 2. pulley 3. locking spacing preiection 4. shifting block front end faces, 5. times free ends 6. in Fig. 2.
In Fig. 3,11. recessed arc tips 12. stretch out the rotating shaft of arc tips 13. shifting block aft end face 14..
Detailed description of the invention
As Fig. 2, shown in Fig. 3, suspension hook of the present invention comprises hook housing plate 1, pulley 2 and coupler body, hook housing plate 1 is parallel to each other and form through the plate that bolt is connected and fixed by two panels, pulley 2 is supported in hook housing plate 1 through rotating shaft 14, coupler body has the L-type hook of two symmetrical installations and is connected to hook housing plate 1 both sides with revolute pair, under this hook, the end face of free end 5 is arc, longitudinally split along this curved end and reject 1/2nd materials, lower free end 5 is had and stretches out arc tips 12 and recessed arc tips 11, the recessed arc tips of stretching out another hook that arc tips 12 and recessed arc tips 11 are installed with symmetry respectively of hook and stretch out arc tips and coordinate and form an entirety, hook is having along the upper free end 6 that tilts away from hook housing plate 1 outer face direction with hook housing plate 1 junction, rotating shaft 14 is respectively in addition the shifting block 9 of hook housing plate 1 both sides, without relatively rotating between shifting block 9 and rotating shaft 14, the shifting block 9 of wherein side is also provided with and dials handle 10, when shifting block 9 and upper free end 6 inclined end face phase wedging, under the symmetrical hook installed, free end 5 coordinates, and when shifting block 9 and upper free end 6 inclined end face are separated, under the symmetrical hook installed, free end 5 departs from.
Hook housing plate 1 is also provided with and carries out spacing locking spacing preiection 3 and dehooking limit projection 8 to shifting block 9, this locking spacing preiection 3 and dehooking limit projection 8 contact with aft end face 13 with the front end face 4 of shifting block 9 respectively.The leading flank of the shifting block 9 first contacted with free end on hook 6 is provided with the angle of wedge 7.
When lifting rope is loaded suspension hook, under the hook of now suspension hook, free end 5 separates, need to apply certain application force a little to hook, make the lower free end 5 of hook more close to each other, so also be convenient to stir handle 10, the shifting block 9 of hook housing plate 1 both sides is rotated, the angle of wedge 7 of shifting block 9 enters space on hook between free end 6 and hook housing plate 1 by being beneficial to shifting block 9, free end 6 end face close contact on shifting block 9 side and hook, and hook is rotated around the revolute pair of itself and hook housing plate 1, the lower free end 5 of hook is connected into and is integrated, shifting block front end face 4 keeps static after touching locking spacing preiection 3, the lower free end 5 of hook closes, when suspension hook is at lift heavy, because weight Action of Gravity Field closes place perpendicular to free end under hook 5, suspension hook can reliably prevent lifting rope slippage.
When lifting rope is taken out, now need to stir handle 10, shifting block 9 is withdrawn from from the space between free end hook 6 and hook housing plate 1, shifting block 9 turns to end face 13 thereafter and touches dehooking limit projection 8, shifting block 9 keeps static, applying certain application force a little to hook just can by the lower free end 5 of two hooks separately, and lifting rope is deviate from voluntarily.
The suspension hook of above embodiment is mainly used in hoisting crane, locks after the pulley 2 of suspension hook is walked around in steel rope one end of hoisting crane.When lifting rope takes out by needs, lift heavy is placed on correct position by hoisting crane, and the lifting rope now on lift heavy and suspension hook generally still can be in tensioning state, or there is remaining tensile force, after on shifting block 9 side and hook, the end face of free end 6 departs from, under hook free end 5 can lifting rope deadweight and tensile force effect under throw off voluntarily, and due to the lifting rope of lift heavy generally heavier, also can make hook under himself Action of Gravity Field under, free end 5 is thrown off.Therefore, the present invention can make to hang and carry that work is convenient reliably to be carried out.
Above embodiment is not limited to this case and provides diagram.Those of ordinary skill in the art should be appreciated that and can modify to technical scheme of the present invention or equivalent replacement, and does not depart from aim and the scope of technical solution of the present invention, and it all should be encompassed in the middle of right of the present invention.

Claims (4)

1. a suspension hook, comprises hook housing plate, pulley and coupler body, and hook housing plate is parallel to each other and form through the plate that bolt is connected and fixed by two panels, and pulley, is characterized in that through rotating shaft support in hook housing plate,
-described coupler body has the L-type hook of two symmetrical installations and is connected to described hook housing plate both sides with revolute pair, under this hook, free end face is arc, longitudinally split along this curved end and reject 1/2nd materials, described lower free end is had and stretches out arc tips and recessed arc tips, the recessed arc tips of stretching out another hook that arc tips and recessed arc tips are installed with symmetry respectively of described hook and stretch out arc tips and coordinate and form an entirety;
-described hook is having along the upper free end that tilts away from described hook housing plate outer face direction with hook housing plate junction, described rotating shaft is respectively in addition the shifting block of described hook housing plate both sides, without relatively rotating between shifting block and rotating shaft, the shifting block of wherein side is also provided with and dials handle, when described shifting block and described upper free end inclined end face phase wedging, under the hook that described symmetry is installed, free end coordinates, when described shifting block and described upper free end inclined end face are separated, under the hook that described symmetry is installed, free end departs from.
2. according to claim 1described a kind of suspension hook, is characterized in that, described hook housing plate is also provided with and carries out spacing locking spacing preiection and dehooking limit projection to described shifting block, this locking spacing preiection contacts with aft end face with the front end face of described shifting block respectively with dehooking limit projection.
3. according to claim 1or 2described a kind of suspension hook, is characterized in that, the leading flank of the described shifting block first contacted with free end on hook is provided with the angle of wedge.
4. a hoisting crane, comprises suspension hook, it is characterized in that, described suspension hook is claim 1extremely 3according to any one of suspension hook.
CN201510432866.4A 2015-07-22 2015-07-22 Lifting hook and crane comprising same CN105060106B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201510432866.4A CN105060106B (en) 2015-07-22 2015-07-22 Lifting hook and crane comprising same

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CN105060106A true CN105060106A (en) 2015-11-18
CN105060106B CN105060106B (en) 2017-02-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106185676A (en) * 2016-08-30 2016-12-07 福建省东山县辉永泰体育用品实业有限公司 A kind of assembly pulley of band stop protection
CN106525374A (en) * 2017-01-03 2017-03-22 南通四方罐式储运设备制造有限公司 Container drop test device

Citations (7)

* Cited by examiner, † Cited by third party
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
CN102659022A (en) * 2012-05-02 2012-09-12 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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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
CN102659022A (en) * 2012-05-02 2012-09-12 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106185676A (en) * 2016-08-30 2016-12-07 福建省东山县辉永泰体育用品实业有限公司 A kind of assembly pulley of band stop protection
CN106525374A (en) * 2017-01-03 2017-03-22 南通四方罐式储运设备制造有限公司 Container drop test device
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

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