CN102659022B - Lifting hook and crane with same - Google Patents
Lifting hook and crane with same Download PDFInfo
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- CN102659022B CN102659022B CN201210132681.8A CN201210132681A CN102659022B CN 102659022 B CN102659022 B CN 102659022B CN 201210132681 A CN201210132681 A CN 201210132681A CN 102659022 B CN102659022 B CN 102659022B
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- baffle plate
- suspension hook
- torsion spring
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Abstract
The invention provides a lifting hook and a crane with the same. The lifting hook comprises a lifting hook body, a baffle plate installing base, a baffle plate and a first torsional spring, wherein the first torsional spring respectively acts on the lifting hook body and the baffle plate, the baffle plate comprises a first baffle plate section and a second baffle plate section, the first baffle plate section comprises a pivoting end and a first connecting end opposite to the pivoting end, the first connecting end comprises a first supporting surface; the second baffle plate section comprises a free end and a second connecting end opposite to the free end, the first connecting end comprises a second supporting surface, the first connecting end is pivoted with one side of the second connecting end, which is far away from an inside space, the baffle plate has a drop-preventing state of closing an opening and a drop-preventing releasing state of opening the opening; and under the drop-preventing state, the first supporting surface supports against the second supporting surface. According to the listing hook provided by the invention, while the rope drop-preventing function of the lifting hook is ensured, the advantages of convenience and rapidness for operation and time and labor conservation are achieved when a lifting rope is loaded in the lifting hook or unloaded from the lifting hook.
Description
Technical field
The present invention relates to engineering machinery field, more specifically, relate to a kind of suspension hook and there is the hoisting crane of this suspension hook.
Background technology
Fig. 1 shows suspension hook 10 ' conventional in prior art, and this suspension hook 10 ' has the anti-drop function that prevents that lifting rope from deviating from from holding the inner space of lifting rope.Opening one side of the suspension hook body 11 ' coupling end of suspension hook 10 ' has been installed baffle plate mount pad 12 ', baffle plate 15 ' comprises the hub switch side and the free end that are oppositely arranged, hub switch side is arranged on baffle plate mount pad 12 ' by bearing pin 14 ', free end can rotate around bearing pin 14 ', torsion spring 13 ' acts on respectively suspension hook body 11 ' and baffle plate 15 ', under the effect of torsion spring 13 ', the free end of baffle plate 15 ' is close on the inwall of suspension hook body 11 ', thereby make baffle plate 15 ' sealing opening, prevent that lifting rope from breaking off relations.
Because baffle plate 15 ' is close on the inwall of suspension hook body 11 ', in the time taking out or change lifting rope, need artificially baffle plate 15 ' to be depressed towards the direction of the inner space of suspension hook body 11 ', also in taking out or packing lifting rope into, in order to open the opening of suspension hook, need apply the twisting resistance that a power applies baffle plate with opposing torsion spring 13 ' to baffle plate.Therefore,, if lifting rope is heavy, need two people to operate just and can complete.And because baffle plate 15 ' takies the area of opening, if lifting rope size is larger, also can make because the opening opening degree of suspension hook 10 ' is limited lifting rope change difficulty increases, and even can not pack lifting rope into.
Summary of the invention
The object of the invention is to provide a kind of lifting rope to pack suspension hook into or is convenient and swift when suspension hook takes off, the time saving and energy saving suspension hook with anti-drop function and have the hoisting crane of this suspension hook.
The invention provides a kind of suspension hook, comprising: suspension hook body, comprises the inner space and the opening that hold lifting rope; Baffle plate mount pad, is positioned at one end of suspension hook body upper shed; Baffle plate, baffle plate comprises hub switch side and free end, hub switch side and the pivot joint of baffle plate mount pad; The first torsion spring, acts on respectively suspension hook body and baffle plate; Baffle plate comprises: the first baffle plate section, comprise hub switch side and first coupling end relative with hub switch side, and the first coupling end comprises the first bearing surface; Second baffle section, comprise free end and second coupling end relative with free end, the second coupling end comprises the second bearing surface, the first coupling end and the second coupling end are in the side pivot joint away from inner space, baffle plate has the anticreep state of sealing opening and opens the anticreep disarm state of opening, under anticreep state, the first bearing surface and the second bearing surface butt.
Further, under anticreep state, the first torsion spring is in twisting states; Under anticreep disarm state, the first torsion spring is in relaxed state.
Further, baffle plate also comprises the second torsion spring, and the second torsion spring acts on respectively the first baffle plate section and second baffle section.
Further, under anticreep state, the second torsion spring is in twisting states; Under anticreep disarm state, the second torsion spring is in relaxed state.
Further, baffle plate also comprises hinge, and the first coupling end and the second coupling end are by hinge pivot joint.
Further, baffle plate also comprises bearing pin, and the first coupling end and the second coupling end are by bearing pin pivot joint.
The present invention also provides a kind of hoisting crane, comprises aforesaid suspension hook.
According to suspension hook of the present invention, because baffle plate comprises the first baffle plate section and second baffle section, and the first baffle plate section and second baffle section are away from inner space one side pivot joint, and baffle plate in sealing the first bearing surface and the second bearing surface butt under anticreep state when opening, thereby guaranteed the Anti-rope drop function of suspension hook; Owing to packing suspension hook at lifting rope or when suspension hook takes off, second baffle section can be rotated with respect to the first baffle plate section, thereby can be promoting after baffle plate in inner space, can avoid the backstop of suspension hook body wall in the face of baffle plate, thereby the twisting resistance direction of complying with the first torsion spring is rotated baffle plate to the direction away from inner space, lifting rope packs suspension hook into or needn't be continuously applied application force to baffle plate simultaneously in the time that suspension hook takes off, therefore convenient to operation, time saving and energy saving.Further, because baffle plate can outwards rotate rather than the inside opening of rotating opening suspension hook body, therefore opening can fully be opened, even if also easily lifting rope is put into the inner space of suspension hook in the larger-size situation of lifting rope.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the crane hook of prior art;
Fig. 2 be according to the crane hook of first embodiment of the invention at baffle plate the structural representation during in anticreep state;
Fig. 3 is according to the stressed and rotary state schematic diagram of the crane hook of first embodiment of the invention baffle plate in the time starting to open opening;
Fig. 4 is at the structural representation of opening in opening process according to the crane hook of first embodiment of the invention;
Fig. 5 be according to the crane hook of first embodiment of the invention at baffle plate the structural representation during in anticreep disarm state; And
Fig. 6 be according to the crane hook of second embodiment of the invention at baffle plate the structural representation during in anticreep state.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Suspension hook of the present invention mainly comprises suspension hook body, baffle plate mount pad, baffle plate and the first torsion spring.Suspension hook body comprises the inner space and the opening that hold lifting rope.Baffle plate mount pad is positioned at one end of suspension hook body upper shed.The first torsion spring acts on respectively suspension hook body and baffle plate.Baffle plate comprises having the first baffle plate section of hub switch side and have free-ended second baffle section, hub switch side and the pivot joint of baffle plate mount pad.The first baffle plate section also comprises first coupling end relative with hub switch side, and the first coupling end comprises the first bearing surface.Second baffle section also comprises second coupling end relative with free end, and the second coupling end comprises the second bearing surface.The first coupling end and the second coupling end are in the side pivot joint away from inner space.Baffle plate has the anticreep state of sealing suspension hook body openings and opens the anticreep disarm state of suspension hook body openings, under anticreep state, and the first bearing surface and the second bearing surface butt.
Below the preferred embodiment of the invention is described in detail.
The first embodiment
Fig. 2 be according to the crane hook of first embodiment of the invention at baffle plate the structural representation during in anticreep state.As shown in Figure 2, the suspension hook of the first embodiment comprises suspension hook body 21, baffle plate mount pad 22, baffle plate 25, bearing pin 24 and the first torsion spring 23.
Baffle plate mount pad 22 is positioned at opening one side of the coupling end of suspension hook body 21.
Under anticreep state, the first torsion spring 23 is in twisting states.As shown in Figure 2, under the tensile force effect of the first torsion spring 23, the free end of baffle plate 25 is resisted against on the inwall of suspension hook body 21.The second bearing surface butt of the first bearing surface of the first baffle plate section 251 and second baffle section 252, therefore, now baffle plate 25 has sealed the opening of suspension hook body, only otherwise be subject to the outside power that inwardly promotes baffle plate 25, baffle plate 25 can not depart from from anticreep state, thereby has guaranteed that lifting rope can not deviate from from inner space.
Under anticreep disarm state, as shown in Figure 5, baffle plate 25 is turned in the position away from inner space, thereby opening is fully opened.
The first torsion spring 23 acts on respectively suspension hook body 21 and baffle plate 25.As previously mentioned, under anticreep state, the first torsion spring 23 is in twisting states.And under anticreep disarm state as shown in Figure 5, the first torsion spring 23 is in relaxed state.
Preferably, baffle plate 25 also comprises that the second torsion spring 254, the second torsion springs 254 act on respectively the first baffle plate section 251 and second baffle section 252.Under anticreep state, the second torsion spring 254 is in twisting states.And under anticreep disarm state, the second torsion spring 254 is in relaxed state.
It should be noted that, the second torsion spring 254 provides better performance for suspension hook of the present invention, in the time that promotion baffle plate 25 makes free end leave the inwall of suspension hook body 21, second baffle section 252 is under the effect of the tensile force of the second torsion spring 254, can automatically rotate to the outside of inner space with respect to the first baffle plate section 251, drive without manpower, therefore, convenient laborsaving compared with the technical scheme of the second torsion spring 254 is not set.But, one skilled in the art will recognize that even without the second torsion spring 254, the present invention in terms of existing technologies, also in thering is anti-drop function, the operation of taking off or change lifting rope that can be convenient and swift, time saving and energy saving.
In the first embodiment, baffle plate 25 also comprises that hinge 253, the first coupling ends and the second coupling end are by hinge 253 pivot joints.
Below in conjunction with Fig. 3 to Fig. 5, the principle of work of the first embodiment suspension hook is described.Wherein, Fig. 3 is according to the stressed and rotary state schematic diagram of the crane hook of first embodiment of the invention baffle plate in the time starting to open opening, in Fig. 3, F represents the direction to baffle plate 25 application of forces, D1 represents the rotation direction of second baffle section 252 with respect to the first baffle plate section 251, and D2 represents that the first baffle plate section 251 of baffle plate 25 is with respect to the rotation direction of suspension hook body 21.Fig. 4 is at the structural representation of opening in opening process according to the crane hook of first embodiment of the invention, in Fig. 4, second baffle section 252 turns to final position with respect to the first baffle plate section 251, the second torsion spring 254 is in relaxed state, and the first baffle plate section 251 with respect to suspension hook body 21 reference position in rotating towards inner space outside, the first torsion spring 23 is in twisting states.Fig. 5 be according to the crane hook of first embodiment of the invention at baffle plate the structural representation during in anticreep disarm state, in Fig. 5, the opening of suspension hook body 21 is fully opened, the rotation process that the first baffle plate section 251 is rotated towards outside, inner space with respect to suspension hook body 21 completes, and the first torsion spring 23 and the second torsion spring 254 are all in relaxed state.
As shown in Figure 2, suspension hook 20 is in the time of lift heavy, the first torsion spring 23 and the second torsion spring 254 are all in twisting states, under the tensile force effect of the first torsion spring 23 and the second torsion spring 254, and due to butt between the first bearing surface and the second bearing surface, baffle plate 25 is close to the inwall of suspension hook body 21, and baffle plate 25 is in anticreep state.
In the time that needs take off or change lifting rope, as shown in Figure 3, need be to power F of hinge 253 application of force, make the free end of baffle plate 25 depart from the internal face of suspension hook body 21, thereby the tensile force of the second torsion spring 254 is removed, second baffle section 252 automatic winding hinge 253 under the effect of the second torsion spring 254 rotates, until the second torsion spring 254 is in natural relaxed state as shown in Figure 4.Cancel after the power that baffle plate 25 is applied, the tensile force of the first torsion spring 23 is corresponding releasing also, the first baffle plate section 251 drives second baffle section 252 jointly to rotate around bearing pin 24 under the effect of the first torsion spring 23, until the first torsion spring 23 is in natural relaxed state as shown in Figure 5, opening is fully opened.And only otherwise baffle plate 25 is applied to power, the first baffle plate section 251 and the second baffle section 252 of baffle plate 25 can remain on the position shown in Fig. 5 automatically, automatically make opening remain on the state of fully opening.Meanwhile, because the first baffle plate section 251 and second baffle section 252 all screw out from the inside of suspension hook body, the opening of suspension hook body 21 is opened fully, thereby can take out easily or reload lifting rope, in the time that lifting rope size is larger, also easily packs in inner space.
After packing lifting rope into, first pull the first baffle plate section 251 to return back to the position shown in Fig. 4, then pull second baffle section 252, can make baffle plate 25 return to the anticreep state shown in Fig. 2.
The second embodiment
Fig. 6 be according to the crane hook of second embodiment of the invention at baffle plate the structural representation during in anticreep state.As shown in Figure 6, the suspension hook of the second embodiment comprises suspension hook body 31, baffle plate mount pad 32, baffle plate 35, bearing pin 34 and the first torsion spring 33.Baffle plate 35 comprises the first baffle plate section 351, second baffle section 352, the second torsion spring 354.Different from the suspension hook of the first embodiment, between the first baffle plate section 351 and second baffle section 352, pass through the second bearing pin 353 pivot joints.
The pivot joint mode of the second embodiment between the first baffle plate section 351 and second baffle section 352 is different from the first embodiment, and each several part structure, annexation and the principle of work of the second embodiment is all identical with the first embodiment, is not described in detail herein.
The suspension hook of each embodiment is mainly used in hoisting crane above.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect: because baffle plate comprises the first baffle plate section and second baffle section, and the first baffle plate section and second baffle section are away from inner space one side pivot joint, and at sealing the first bearing surface and second bearing surface butt when opening, thereby guarantee the Anti-rope drop function of suspension hook; Owing to packing suspension hook at lifting rope or when suspension hook takes off, second baffle section can be rotated with respect to the first baffle plate section, thereby can be after promotion baffle plate makes the first torsion spring continue to reverse, can avoid the backstop of suspension hook body wall in the face of baffle plate, thereby the twisting resistance direction of being convenient to comply with the first torsion spring is rotated baffle plate towards the direction away from inner space, and without be continuously applied very large application force to baffle plate, therefore, lifting rope packs suspension hook into or is convenient and swift when suspension hook takes off, time saving and energy saving, can one man operation, can improve to hang and carry efficiency.And, because baffle plate can outwards rotate rather than inside rotating opening suspension hook opening, therefore opening can fully be opened, even if also easily lifting rope is put into the inner space of suspension hook in the larger-size situation of lifting rope, can hold large scale lifting rope, make to hang the work of carrying convenient, expand the scope of carrying of hanging.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a suspension hook, comprising:
Suspension hook body, comprises the inner space and the opening that hold lifting rope;
Baffle plate mount pad, is positioned at one end of described the above opening of suspension hook body;
Baffle plate, described baffle plate comprises hub switch side and free end, described hub switch side and the pivot joint of described baffle plate mount pad;
The first torsion spring, acts on respectively described suspension hook body and described baffle plate;
It is characterized in that, described baffle plate comprises:
The first baffle plate section, comprises described hub switch side and first coupling end relative with described hub switch side, and described the first coupling end comprises the first bearing surface;
Second baffle section, comprise described free end and second coupling end relative with described free end, described the second coupling end comprises the second bearing surface, described the first coupling end and described the second coupling end are in the side pivot joint away from described inner space, described baffle plate has the anticreep state of the described opening of sealing and opens the anticreep disarm state of described opening, under described anticreep state, described the first bearing surface and described the second bearing surface butt and described free end are resisted against on the inwall of described suspension hook body.
2. suspension hook according to claim 1, is characterized in that,
Under described anticreep state, described the first torsion spring is in twisting states;
Under described anticreep disarm state, described the first torsion spring is in relaxed state.
3. suspension hook according to claim 1 and 2, is characterized in that, described baffle plate also comprises the second torsion spring, and described the second torsion spring acts on respectively described the first baffle plate section and described second baffle section.
4. suspension hook according to claim 3, is characterized in that,
Under described anticreep state, described the second torsion spring is in twisting states;
Under described anticreep disarm state, described the second torsion spring is in relaxed state.
5. suspension hook according to claim 1 and 2, is characterized in that, described baffle plate also comprises hinge, and described the first coupling end and described the second coupling end are by described hinge pivot joint.
6. suspension hook according to claim 1 and 2, is characterized in that, described baffle plate also comprises bearing pin, and described the first coupling end and described the second coupling end are by described bearing pin pivot joint.
7. a hoisting crane, comprises suspension hook, it is characterized in that, described suspension hook is according to the suspension hook described in any one in claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210132681.8A CN102659022B (en) | 2012-05-02 | 2012-05-02 | Lifting hook and crane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210132681.8A CN102659022B (en) | 2012-05-02 | 2012-05-02 | Lifting hook and crane with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102659022A CN102659022A (en) | 2012-09-12 |
| CN102659022B true CN102659022B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210132681.8A Active CN102659022B (en) | 2012-05-02 | 2012-05-02 | Lifting hook and crane with same |
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| Country | Link |
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| CN (1) | CN102659022B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477763A (en) * | 2014-11-17 | 2015-04-01 | 常熟市永固起重设备安装工程有限公司 | Hook for lifting equipment |
| CN104876114A (en) * | 2015-05-04 | 2015-09-02 | 杭龙 | Crane hook |
| CN105060106B (en) * | 2015-07-22 | 2017-02-01 | 山东建筑大学 | Lifting hook and crane comprising same |
| CN106429813A (en) * | 2016-09-27 | 2017-02-22 | 新兴铸管股份有限公司 | Anti-drop device for lifting hook |
| CN111097114A (en) * | 2018-10-29 | 2020-05-05 | 中铁第五勘察设计院集团有限公司 | Hanging ladder with automatic safety belt unlocking function |
| CN110980510A (en) * | 2019-12-25 | 2020-04-10 | 安徽省雄峰起重机械有限公司 | Crane hook structure convenient to turn to |
| CN113636027B (en) * | 2021-08-16 | 2022-08-23 | 天津市水利科学研究院 | Surrounding-type water test system |
Citations (7)
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|---|---|---|---|---|
| GB907686A (en) * | 1960-05-20 | 1962-10-10 | Stallinefabriken David Ahlquis | Improvements in or relating to crane or like load-carrying hooks |
| FR2257812A1 (en) * | 1974-01-11 | 1975-08-08 | Milbras Sarl | |
| EP0400702A1 (en) * | 1989-05-30 | 1990-12-05 | Promech Sorting Systems B.V. | Conveyor hook intended for an overhead conveyor |
| US5577787A (en) * | 1995-11-14 | 1996-11-26 | Ingersoll-Rand Company | Safety hook and method |
| DE10340765B4 (en) * | 2003-09-02 | 2008-02-07 | Demag Cranes & Components Gmbh | Hook securing device for a load hook |
| 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 |
| CN202575703U (en) * | 2012-05-02 | 2012-12-05 | 中联重科股份有限公司 | Lifting hook and crane with same |
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2012
- 2012-05-02 CN CN201210132681.8A patent/CN102659022B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB907686A (en) * | 1960-05-20 | 1962-10-10 | Stallinefabriken David Ahlquis | Improvements in or relating to crane or like load-carrying hooks |
| FR2257812A1 (en) * | 1974-01-11 | 1975-08-08 | Milbras Sarl | |
| EP0400702A1 (en) * | 1989-05-30 | 1990-12-05 | Promech Sorting Systems B.V. | Conveyor hook intended for an overhead conveyor |
| US5577787A (en) * | 1995-11-14 | 1996-11-26 | Ingersoll-Rand Company | Safety hook and method |
| DE10340765B4 (en) * | 2003-09-02 | 2008-02-07 | Demag Cranes & Components Gmbh | Hook securing device for a load hook |
| 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 |
| CN202575703U (en) * | 2012-05-02 | 2012-12-05 | 中联重科股份有限公司 | Lifting hook and crane with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102659022A (en) | 2012-09-12 |
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