CN101870431B - Crane and hook device thereof - Google Patents
Crane and hook device thereof Download PDFInfo
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- CN101870431B CN101870431B CN2009101336911A CN200910133691A CN101870431B CN 101870431 B CN101870431 B CN 101870431B CN 2009101336911 A CN2009101336911 A CN 2009101336911A CN 200910133691 A CN200910133691 A CN 200910133691A CN 101870431 B CN101870431 B CN 101870431B
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- cargo hook
- hook gear
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Abstract
The invention discloses a hook device used for a crane, comprising a connecting plate, a hook head and at least two pulley blocks, wherein the connecting plate is provided with at least three connecting holes; a first pulley block is detachably connected with the connecting plate through a first connecting hole; a second pulley block is hinged with the connecting plate through a second connecting hole; the hook head is hinged with the connecting plate through a third connecting hole; the third connecting hole is generally arranged under the second connecting hole when the hook device is in a signal pulley block operation state; and the third connecting hole deviates from the underface of the second connecting hole when the hook device is in a multiple pulley blocks operation state. When work conditions change, the connecting relation between the first pulley block and the connecting plate is removed, and the hook can rotate to the underface of the second connecting hole so as to enable the hook device to enter a new work state, thereby simplifying work procedure of conversion, improving use efficiency of the hook device and reducing use cost.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of cargo hook gear that is used for hoisting crane.In addition, the invention still further relates to a kind of hoisting crane that comprises above-mentioned cargo hook gear.
Background technology
Along with the fast development of China's economic construction, market for hoisting crane particularly the needs of hoister in large tonnage increase day by day.
In recent years, the operating mode of camp site combination is more and more, for the lifting capacity of hoisting crane and the efficient that hoists require increasingly high.Along with the lifting capacity of hoisting crane is increasing, various tonnage different working conditions also increase thereupon.The client hopes that a lifting function under situation more easily, handles various operating mode efficiently.
Hoisting crane is that the change through cargo hook gear changes its lifting capacity, and different working conditions is used different cargo hook gears.In order to bring into play the performance of hoisting crane to greatest extent, cooresponding suspension hook all is not quite similar under the various operating modes.If every kind of cargo hook gear all can only be applied to a kind of operating mode, certainly will cause that suspension hook quantity increases, increase engineering cost.
For a suspension hook can be used under different operating modes as much as possible; Technical personnel is provided with switching mechanism in cargo hook gear; This switching mechanism can make a kind of cargo hook gear under basic structure unmodified situation; Only change the connection mode in the structure, let the lifting capacity of suspension hook structure obtain changing, make it to be applied to different working conditions.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the view of cargo hook gear of the prior art under a kind of operating mode.Fig. 2 is the view of the cargo hook gear after passing through in the prior art to change.
The cargo hook gear of hoisting crane has assembly pulley 1, gib head 2 and connecting panel 3 usually.Said connecting panel 3 is the left-right symmetric structure; Which is provided with four connecting bores; Axle 31 is connected said assembly pulley 1 and connecting panel 3 through first connecting bore with the second connecting bore left and right symmetrically; The 3rd pivoted hole is located on the line of centers of connecting panel, and axle 32 connects said connecting panel 3 and said gib head 2 through this hole.Said assembly pulley 1 below is provided with a connecting bore 11.
Among Fig. 1, two assembly pulleys 1 removably are connected on the connecting panel 3 through said first connecting bore and second connecting bore, and said gib head is connected with said connecting panel 3 through the 3rd connecting bore.This moment, two assembly pulleys acted on by the thing that hoists simultaneously, were applicable to playing the bigger operating mode of lift requirement.Consider the engineering actual conditions, 11 add stationary links 4 on the pivoted hole under two assembly pulleys, are used for preventing rocking relatively between two assembly pulleys, make the engineering operation safe.
When operating mode changes, when having needed the less object of mass per liter, this cargo hook gear is placed on the level ground, remove the axle 31 that connects assembly pulley 1 and connecting panel 3, remove the pivot joint relation between assembly pulley 1, connecting rod 4 and the connecting panel 3.Then one of them assembly pulley 1 is connected on the 4th connecting bore on connecting panel 3 line of centerss through axle 33.Thereby formed a new cargo hook gear shown in Figure 2, can be applied to playing the less operating mode of lift requirement.
Can find out that from above-mentioned switch process existing cargo hook gear conversion operations bothers very much, need to remove two anchor fittings, an anchor fitting is installed again.Such operating process requires a great deal of time and manpower, has both reduced the efficient that hoists, and has influenced job schedule again, is that operating personal is not acceptant.
Therefore, how simplifying the switching process of cargo hook gear, improve conversion efficiency, and then improve job schedule, make the lifting function be applied to more operating mode more easily, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of cargo hook gear that is used for hoisting crane; This cargo hook gear can effectively reduce the cargo hook gear switch process, shortens transfer time, makes switching process comparatively simple; And can significantly improve the conversion efficiency of cargo hook gear, thereby improve job schedule.Another object of the present invention provides a kind of hoisting crane that comprises above-mentioned cargo hook gear.
For solving the problems of the technologies described above; The present invention provides a kind of cargo hook gear; Comprise connecting panel, gib head and at least two assembly pulleys; Said connecting panel has at least three connecting bores, and first assembly pulley is connected with said connecting panel through first connecting bore removably, and second assembly pulley is hinged through second connecting bore and said connecting panel; Said gib head is hinged through the 3rd connecting bore and said connecting panel; When said cargo hook gear is in single-sheaved block group job state said the 3rd connecting bore be positioned at said second connecting bore under; When said cargo hook gear is in many assembly pulleys operating condition said the 3rd connecting bore depart from said second connecting bore under.
Preferably, on the side of said connecting panel arbitrarily a bit to the length of the line of the center of said second connecting bore all less than the length of the connecting rod of said gib head.
Preferably, said connecting panel is triangular in shape, and said first connecting bore, said second connecting bore and said the 3rd connecting bore lay respectively at the angle position of said connecting panel.
Preferably, said cargo hook gear comprises two said connecting panels, and both parallel; Said gib head is articulated between the two said connecting panels.
Preferably, the outside of said connecting panel is provided with stiffened plate, and said stiffened plate vertically is fixedly connected on the edge of the sidewall of said connecting panel between said second connecting bore and said the 3rd connecting bore.
Preferably, the sidewall of said connecting panel between said first connecting bore and said the 3rd connecting bore has inner fovea part.
Preferably; Said connecting panel has the 4th connecting bore; Said the 4th connecting bore is positioned on the side of said inner fovea part, and said the 3rd connecting bore is connected through chute with said the 4th connecting bore, and the width of said chute is more than or equal to the cross-sectional diameter of the jointed shaft of said gib head.
Preferably, said first connecting bore is connected through chute with said the 3rd connecting bore, and the width of said chute is more than or equal to the cross-sectional diameter of the jointed shaft of said gib head.
Preferably, said cargo hook gear further comprises registration device, so that selectively fix the position of said gib head.
The present invention also provides a kind of hoisting crane, comprises above-mentioned each described cargo hook gear.
When this cargo hook gear connected two assembly pulleys, first assembly pulley was connected with connecting panel through first connecting bore removably, and second assembly pulley is hinged through second connecting bore and said connecting panel, and said gib head is hinged through the 3rd connecting bore and connecting panel.When working conditions change takes place, remove the annexation between said first assembly pulley and the said connecting panel, make said connecting panel only connect second assembly pulley and gib head, said cargo hook gear is promptly applicable to new operating mode.Under the mode of operation because the effect of gravity, said fishplate bar rotate to said second assembly pulley under; Said gib head rotate to said connecting panel under, promptly whole switching process only need be removed an annexation, said cargo hook gear just can reach new mode of operation; Can know with the prior art comparison; Cargo hook gear provided by the present invention can reach the purpose of conversion operating mode through easy method of operation, has simplified the conversion work amount greatly, has shortened transfer time; Improved work efficiency, it is convenient to bring to operating personal.
A kind of preferred embodiment in, the sidewall of said connecting panel between said first connecting bore and said the 3rd connecting bore has inner fovea part.Near said gib head, said inner fovea part can effectively be avoided the interference of said connecting panel and said gib head to said first connecting bore under operating condition after rotating, and the safety that further improves engineering is for switching process easily provides safeguard.
In another preferred embodiment; On the side of said connecting panel arbitrarily a bit to the length of the line of the center of said second connecting bore all less than the length of the connecting rod of said gib head; Because length of connecting rod is bigger; Said connecting panel rotation back can not produce interference with gib head, has improved the safety of engineering.
Description of drawings
Fig. 1 connects the view of two assembly pulleys simultaneously for cargo hook gear of the prior art;
Fig. 2 only connects the view of an assembly pulley for cargo hook gear in the prior art;
Fig. 3 connects the view of two assembly pulleys simultaneously for first kind of embodiment of cargo hook gear provided by the present invention;
Fig. 4 only connects the view of an assembly pulley for first kind of embodiment of cargo hook gear provided by the present invention;
Fig. 5 is the suspension hook of cargo hook gear provided by the present invention and a kind of set-up mode scheme drawing of connecting panel;
Fig. 6 is the scheme drawing of a kind of connecting panel in second kind of embodiment of cargo hook gear provided by the present invention;
Fig. 7 provides the scheme drawing of another kind of connecting panel in second kind of embodiment of cargo hook gear for the present invention;
Fig. 8 connects the view of two pulley assemblies simultaneously for the present invention provides the third embodiment of cargo hook gear;
Fig. 9 only connects the view of a pulley assembly for the present invention provides the third embodiment of cargo hook gear.
The specific embodiment
Core of the present invention provides a kind of cargo hook gear that is used for hoisting crane; This cargo hook gear can effectively reduce the cargo hook gear switch process, shortens transfer time, makes switching process comparatively simple; And can significantly improve the conversion efficiency of cargo hook gear, thereby improve job schedule.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 3, Fig. 3 uses the scheme drawing of the operating mode of two assembly pulleys simultaneously for first embodiment provided by the present invention.
Many assembly pulleys state described herein means that the number of cargo hook gear middle pulley group is two or more, and cooresponding with it single-sheaved block group state is one with regard to the number that is meant cargo hook gear middle pulley group.
In a kind of specific embodiment, cargo hook gear provided by the present invention comprises connecting panel 3, at least two assembly pulleys 1 and gib heads 2, wherein is provided with three connecting bores on the connecting panel 3 at least; Said connecting panel can be triangle or other suitable shapes substantially, and said three connecting bores are positioned on three drift angles of said connecting panel 3.Wherein, axle 31 connects first assembly pulley 11 and said connecting panel 3 removably through first connecting bore; Axle 32 is through hinged second assembly pulley 12 and connecting panel 3 of second connecting bore; Axle 33 is through hinged said gib head 2 of the 3rd connecting bore and said connecting panel 3, and said gib head 2 is positioned at said first assembly pulley 11 and second assembly pulley, 12 centres, said the 3rd connecting bore depart from said second connecting bore under.
Please refer to Fig. 4, Fig. 4 only connects the view of an assembly pulley for first kind of embodiment of cargo hook gear provided by the present invention;
Operating mode when the scene changes, and when needing the less cargo hook gear of lifting capacity, the staff will change existing said cargo hook gear.Remove axle 31; Promptly removed the annexation between said first assembly pulley 11 and the connecting panel 3, made said connecting panel 3 only connect said second assembly pulley 12 and gib head 2, behind the cargo hook gear built on stilts; Because the effect of gravity; Connecting panel 3 around axle 32 rotate to second assembly pulley 12 under, gib head 2 around axle 33 rotate to the axle 32 under, this moment said cargo hook gear promptly reach new mode of operation.
Said cargo hook gear is that the operation of single-sheaved block group state is very simple by many assembly pulleys state exchange; Remove the annexation between said first assembly pulley and the connecting panel; Can realize that through this step said cargo hook gear is a single-sheaved block group state by many assembly pulleys state exchange; Equally, can make said cargo hook gear through opposite step is many assembly pulleys state by single-sheaved block group state exchange, thereby reaches the purpose that makes same cargo hook gear be applied to multiple different operating modes quickly and easily.
Under operating mode shown in Figure 4, to interfere for avoiding said gib head 2 and said connecting panel 3, the sidewall of said connecting panel 3 between said first connecting bore and the 3rd connecting bore further has inner fovea part 5.When the sidewall between said first connecting bore and said the 3rd connecting bore after rotating during near said gib head 2, said inner fovea part 5 can effectively be avoided the interference of said gib head and said connecting panel, thereby guarantees the safety of normal construction.
The outside at said connecting panel further is provided with stiffened plate 6, and said stiffened plate 6 vertically is fixedly connected on the edge of the sidewall of said connecting panel 3 between said second connecting bore and said the 3rd connecting bore.Its existence can improve the intensity of said connecting panel, simultaneously, in switching process, can said connecting panel be positioned on the ground, and stiffened plate can increase said connecting panel and ground-surface area of contact like this near ground, makes that switching process is stable more, safety.
Avoiding interfering another effective measures of taking is the length D that change the connecting rod 21 of said gib head; As shown in Figure 5; On the side of said connecting panel 3 arbitrarily a bit to the length of the line at the center of said axle 32 all less than the length D of connecting rod 21; Can effectively avoid said gib head in actual condition, to interfere like this, further improve engineering safety with said connecting panel.
It is to be noted; Above-mentioned first assembly pulley 11 removably is connected with said connecting panel through said first connecting bore; Can not be interpreted as narrowly that first assembly pulley 11 must be on the right or the left side of said connecting panel; As long as in engineering reality, exist the part assembly pulley to be disassembled, can be interpreted as that the assembly pulley that is disassembled is first assembly pulley, said first pulley and said connecting panel bonded assembly hole are first connecting bore.In like manner, the assembly pulley of reservation is second assembly pulley 12, and said second assembly pulley and said connecting panel bonded assembly hole are second connecting bore.Promptly dismantled and assembled, assembly pulley of all assembly pulleys and connecting panel pivotally attached cargo hook gear are all within protection domain of the present invention.
Specifically, said connecting panel 3 is as long as can be connected with assembly pulley 1 by an end, and an end is connected with said gib head 2, and its concrete quantity is not done strict the qualification.When said in theory connecting panel is one or more, can both realize the object of the invention, all be protection content of the present invention.
But, from the consideration of the safety of engineering site, productive costs, engineering cost, the number of said connecting panel be two more appropriate.This moment two said connecting panel is parallel and the position is corresponding; Said gib head is located in the middle of the two said connecting panels; Can strengthen the ability to bear of connecting panel like this; Also play simultaneously the effect of the said gib head of clamping, said gib head is reduced in practical operation rock and swing, thereby make said cargo hook gear safer in actual engineering is used.
Because in the engineering operation; Really change and influential to operating mode be the relative position of said second connecting bore and said the 3rd connecting bore; In the present invention, the position of said second connecting bore is a unmodified, and the relative position of said second connecting bore and the 3rd connecting bore is changed; Unique approach is that the position of said the 3rd connecting bore is changed, and just the position of said gib head changes.So, can consider to change the position of said gib head through alternate manner.
Can do further to improve to above-mentioned cargo hook gear.
Please refer to Fig. 6, Fig. 6 is the scheme drawing of a kind of connecting panel in second embodiment of cargo hook gear provided by the present invention.
Certainly; Chute not necessarily will be arranged between said first connecting bore and the 3rd connecting bore, and is as shown in Figure 8, can on said connecting panel, offer the 4th connecting bore 8; And chute is located between the 4th connecting bore and first connecting bore; Like this, the sliding scale of said gib head in said chute reduces to some extent, but plays the purpose that changes said gib head position by requirement of engineering equally.
The present invention can further include registration device; At said jointed shaft 22 when chute slides into the optimum position; Through said registration device said gib head 2 is fixed, can effectively be prevented said gib head rocking in practical operation like this, improve the safety of operation field.
For above-mentioned embodiment, still can do further improvement, like the shape of said connecting panel and not only be confined to the above-mentioned triangle of mentioning; Like said connecting panel is oblong, and said first connecting bore and second connecting bore are positioned at rectangular two ends, and said the 3rd connecting bore is positioned at the centre of first connecting bore and second connecting bore; Said chute is located between said first connecting bore and said second connecting bore; When said cargo hook gear need be changed operating mode, remove the annexation of first assembly pulley and connecting panel, said gib head promptly is free to slide in said chute; Fixing its position reaches the purpose that cargo hook gear is changed when actual demands of engineering.
Need to prove, when a plurality of assembly pulleys are combined into a pulley assembly, also can be regarded as the single-sheaved block group state of this paper, the cargo hook gear that two or more pulley assemblies are formed can be regarded as many assembly pulleys state of this paper.
Please refer to Fig. 8 and Fig. 9, the view that Fig. 8 provides the third embodiment of cargo hook gear to connect two pulley assemblies simultaneously for the present invention, Fig. 9 only connects the view of a pulley assembly for the present invention provides the third embodiment of cargo hook gear.
Cargo hook gear as shown in Figure 8 comprises between 14, one said pulley assemblies 14 of four pulley assemblies and the connecting panel 3 and being connected through auxilliary connecting panel 34; Said pulley assembly removably is connected through axle 12 with auxilliary connecting panel 34; The connecting panel 3 of said auxilliary connecting panel 34 removably connects through axle 31; Be distributed with four pulley assemblies among the figure altogether, pulley assembly makes up through said auxilliary connecting panel 34 earlier in twos, and then is connected with said gib head 2 through said connecting panel 3.
When operating mode changes; With three dismountings in the pulley assembly 14; And remove the axle 31 of hinged said auxilliary connecting panel 34 and said connecting panel 3; Make said connecting panel 3 only connect said auxilliary connecting panel 34 and said gib head 2, said like this cargo hook gear has been got back to the single-sheaved block group mode of operation that is similar to Fig. 4 again.
Through above-mentioned expansion; The assembly pulley number of said cargo hook gear can continue to increase in theory; Operating mode in the actual engineering can the number through assembly pulley or pulley assembly changes and the gib head connection mode changes and solves, and switching process is simple, accomplishes that really a hook uses more; For the user has practiced thrift the suspension hook cost, also valuable production time and manpower and materials have been saved simultaneously for the user.
Except above-mentioned cargo hook gear, the present invention also provides a kind of hoisting crane that comprises above-mentioned cargo hook gear, and the structure of this other each several part of hoisting crane please refer to prior art, and this paper repeats no more.
More than hoisting crane provided by the present invention and cargo hook gear thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (11)
1. cargo hook gear; Comprise connecting panel, gib head and at least two assembly pulleys, said connecting panel has at least three connecting bores, and first assembly pulley is connected with said connecting panel through first connecting bore removably; It is characterized in that second assembly pulley is hinged through second connecting bore and said connecting panel; Said gib head is hinged through the 3rd connecting bore and said connecting panel; When said cargo hook gear is in single-sheaved block group job state said the 3rd connecting bore be positioned at said second connecting bore under; When said cargo hook gear is in many assembly pulleys operating condition said the 3rd connecting bore depart from said second connecting bore under.
2. cargo hook gear according to claim 1 is characterized in that, on the side of said connecting panel arbitrarily a bit to the length of the line of the center of said second connecting bore all less than the length of the connecting rod of said gib head.
3. cargo hook gear according to claim 2 is characterized in that said connecting panel is triangular in shape, and said first connecting bore, said second connecting bore and said the 3rd connecting bore lay respectively at the angle position of said connecting panel.
4. cargo hook gear according to claim 3 is characterized in that, comprises two said connecting panels, and both parallel; Said gib head is articulated between the two said connecting panels.
5. cargo hook gear according to claim 4 is characterized in that the outside of said connecting panel is provided with stiffened plate, and said stiffened plate vertically is fixedly connected on the edge of the sidewall of said connecting panel between said second connecting bore and said the 3rd connecting bore.
6. cargo hook gear according to claim 4 is characterized in that, the sidewall of said connecting panel between said first connecting bore and said the 3rd connecting bore has inner fovea part.
7. cargo hook gear according to claim 6; It is characterized in that; Said connecting panel has the 4th connecting bore; Said the 4th connecting bore is positioned on the side of said inner fovea part, and said the 3rd connecting bore is connected through chute with said the 4th connecting bore, and the width of said chute is more than or equal to the cross-sectional diameter of the jointed shaft of said gib head.
8. cargo hook gear according to claim 7 is characterized in that, further comprises registration device, so that selectively fix the position of said gib head.
9. according to any described cargo hook gear of claim 2 to 6, it is characterized in that said first connecting bore is connected through chute with said the 3rd connecting bore, the width of said chute is more than or equal to the cross-sectional diameter of the jointed shaft of said gib head.
10. cargo hook gear according to claim 9 is characterized in that, further comprises registration device, so that selectively fix the position of said gib head.
11. a hoisting crane is characterized in that, comprises any described cargo hook gear of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101336911A CN101870431B (en) | 2009-04-22 | 2009-04-22 | Crane and hook device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101336911A CN101870431B (en) | 2009-04-22 | 2009-04-22 | Crane and hook device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101870431A CN101870431A (en) | 2010-10-27 |
| CN101870431B true CN101870431B (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101336911A Active CN101870431B (en) | 2009-04-22 | 2009-04-22 | Crane and hook device thereof |
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| CN (1) | CN101870431B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180403A (en) * | 2011-05-31 | 2011-09-14 | 太原重工股份有限公司 | Crane hook device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092227A (en) * | 2007-07-07 | 2007-12-26 | 徐州重型机械有限公司 | Combined type hook of hoister in large tonnage |
| CN201485171U (en) * | 2009-04-22 | 2010-05-26 | 徐州重型机械有限公司 | Crane and hoisting hook device thereof |
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2009
- 2009-04-22 CN CN2009101336911A patent/CN101870431B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092227A (en) * | 2007-07-07 | 2007-12-26 | 徐州重型机械有限公司 | Combined type hook of hoister in large tonnage |
| CN201485171U (en) * | 2009-04-22 | 2010-05-26 | 徐州重型机械有限公司 | Crane and hoisting hook device thereof |
Non-Patent Citations (1)
| Title |
|---|
| 周红.履带起重机双卷扬单钩的一种控制同步技术.《建筑机械技术与管理》.2007,(第6期),84-85. * |
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| CN101870431A (en) | 2010-10-27 |
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