CN102303811A - Device for unfolding double hook heads of hanging hook - Google Patents
Device for unfolding double hook heads of hanging hook Download PDFInfo
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- CN102303811A CN102303811A CN201110164436A CN201110164436A CN102303811A CN 102303811 A CN102303811 A CN 102303811A CN 201110164436 A CN201110164436 A CN 201110164436A CN 201110164436 A CN201110164436 A CN 201110164436A CN 102303811 A CN102303811 A CN 102303811A
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- hook
- head
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- double hook
- gib
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Abstract
The invention relates to a device for unfolding double hook heads of a hanging hook. The device comprises a double-hook head hanging hook assembly which is provided with a hanging hook body, a connecting shaft and a double-hook head assembly, wherein the hanging hook body is connected with the double-hook head assembly by the connecting shaft; two hook heads are arranged below the double-hook head assembly; and a movement mechanism which moves in a hook head unfolding direction is arranged on at least one of the hook heads. By using the mode of arranging truckles at the bottoms of the hook heads, the double hook heads can be quickly unfolded by only small external force; and compared with the mode of unfolding the double hook heads by using two auxiliary cranes, the device is more economical and convenient and safer, so that the transition and assembly of a user are greatly facilitated, and precious working time is saved for a using unit.
Description
Technical field
The present invention relates to a kind of mechanical equipment expanding unit, particularly relate to a kind of large-scale caterpillar crane hook double hook head expanding unit.
Background technology
Along with crawler crane develops to the large-tonnage direction, the structure of load hook also becomes increasingly complex, and is more and more heavier.At present, rated load weight surpasses 1000 tons load hook, all adopts the version of double hook head.Referring to Fig. 1, the structural representation of existing double hook head suspension hook assembly shown in the figure.Wherein when operation, main hook part structure 10 links to each other with double hook head assembly 30 through adapter shaft 20, below double hook head assembly 30, is provided with two gib heads 40.
Fig. 1 is not for before disassembling, double hook head suspension hook assembly scheme drawing.Receive the deadweight effect of gib head, two gib heads are the vertical state.During transportation, receive the restriction of national relevant laws and regulations, main hook part structure 10 must be disassembled independent transportation with double hook head assembly 30.Fig. 2 is the travelling position scheme drawing of gib head assembly 30, and gib head assembly 30 comprises gib head 40 and side plate 50 each two.During transportation, two gib heads must launch to be 180 degree and be positioned on the transport trolley.
In the prior art; When main hook part structure 10 and gib head assembly 30 need be disassembled, earlier the suspension hook assembly is hovered in the air that (according to the disintegration order of car load, this moment, main hook part structure 10 linked to each other with the main frame (not shown) of this suspension hook of use; Main hook part structure 10 is sling by main frame); Two gib heads 40 can not land, and through applying directed force F in the opposite direction respectively simultaneously in gib head 40 bottoms, by this external force the twisted point of two gib heads 40 around the suspension hook top are launched laterally.Suspension hook assembly after launching then drops on the ground simultaneously, at last the adapter shaft between main hook part structure 10 and the gib head assembly 30 20 is removed, and main hook part structure 10 is disintegrated with gib head assembly 30, and is as shown in Figure 3.
When adopting prior art that the double hook head is launched, the suspension hook assembly must be sling and hovered in the air, and two gib heads bottom must the effect equal and opposite in direction, application force in the opposite direction.In order to overcome the deadweight of gib head, with gib head from vertical state layback to horizontality, according to the stress balance analysis, need provide enough big side draw to realize.Generally speaking, need can realize by two whiplines.And the double hook head will descend with main hook part after launching simultaneously, and at this moment, three cranes need keep action synchronously, and are careless slightly, will cause serious consequence.
In addition, during double hook head assembly entrucking transportation, need in two gib heads bottom and each fixing stress point of side plate top, lift by crane this 3 point simultaneously, can the double hook head assembly steadily be sling by three whiplines.Receive the gib head structural limitations, be difficult in and find on the gib head or suitable lifting point of specialize.
When gib head assembly 30 and 10 general assemblies of main hook part structure, gib head assembly 30 is placed on the ground, can't move flexibly.Main hook part structure 10 has been assembled into integral body with car load, and main hook part structure 10 can only rely on the slow adjustment of car load to realize with the centering of gib head assembly 30.Packaging efficiency is very low.
To sum up, prior art has the cost height, difficulty is big, efficient is low, dangerous high shortcoming.
Summary of the invention
The objective of the invention is to propose a kind of suspension hook double hook head expanding unit simple in structure, lower-cost.
For realizing above-mentioned purpose; The invention provides a kind of suspension hook double hook head expanding unit; Comprise have the suspension hook body, the double hook head suspension hook assembly of adapter shaft and double hook head assembly; Said suspension hook body links to each other with said double hook head assembly through adapter shaft, below said double hook head assembly, is provided with two gib heads, and at least one described gib head is provided with the travel mechanism in the motion of gib head expansion direction.
Preferably, on said two gib heads, be equipped with the travel mechanism that moves at two expansion directions of gib head.
Further, said travel mechanism comprise be arranged on the said gib head and at least the part be the mounting bracket of U type, the bottom of said mounting bracket is provided with castor.
More preferably, said mounting bracket is provided with shackle.
Preferably, the bottom corners place of said mounting bracket is provided with the circular arc type structure.
Preferably, have mounting hole on the said gib head, said mounting bracket is fixed on the described mounting hole through a bearing pin.
Preferably, said mounting bracket is fixed on the said gib head through the buckle structure that matches with said gib head.
Preferably, said expanding unit also comprises the double hook head load-bearing transportation device that matches with said travel mechanism.
More preferably, said double hook head load-bearing transportation device is the travelling bogie that sidepiece has positioning plate and hanger.
Preferably, the bottom of said double hook head load-bearing transportation device is provided with at least two castors, and at least one castor is provided with stop mechanism.
Based on technique scheme, advantage of the present invention is:
The present invention has adopted the mode of castor being installed in the gib head bottom, therefore, only needs very little external force can realize the rapid deployment of double hook head.Than realizing the mode that the double hook head launches by two whiplines, the present invention is more economical, convenient, safety, is very easy to user's transition and assembling, simultaneously, has also won valuable production time for applying unit.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 does not disassemble preceding structural representation for double hook head suspension hook assembly of the present invention;
Fig. 2 is the transportation scheme drawing after double hook head suspension hook assembly of the present invention is disassembled;
Fig. 3 is the action principle scheme drawing of prior art;
Fig. 4 is a structural representation of the present invention;
Fig. 5 is an action principle scheme drawing of the present invention;
Fig. 6 is a transportation scheme drawing of the present invention.
The specific embodiment
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Referring to 4 and Fig. 5, the preferred embodiment of a kind of suspension hook double hook of the present invention shown in it head expanding unit, comprise have suspension hook body 1, the double hook head suspension hook assembly of adapter shaft 2 and double hook head assembly 3; Wherein said suspension hook body 1 links to each other with said double hook head assembly 3 through adapter shaft 2; Below said double hook head assembly 3, be provided with two gib heads 4, preferably, said two gib heads 4 are for being symmetrical set; And; At least one described gib head 4 is provided with the travel mechanism 5 in the motion of gib head expansion direction, and described gib head expansion direction is the direction that is parallel to double hook head assembly 3, in the present embodiment; Be the direction that is parallel to paper shown in Figure 5, and both direction expansion to the left and right respectively.In addition; Travel mechanism 5 of the present invention can be the various structures of impelling said gib head 4 to launch laterally; Structures such as roller, slide rail, chute for example; Present embodiment is preferably roller structure, promptly said travel mechanism 5 comprise be arranged on the said gib head 4 and at least the part be the mounting bracket 9 of U type, the bottom of said mounting bracket 9 is provided with castor 7.And, further preferably, on said two gib heads 4, be equipped with travel mechanism 5 in two expansion direction motions of gib head.Can further improve the efficient of launching operation thus.Certainly; The travel mechanism 5 that only on a gib head 4, is provided with in the motion of gib head expansion direction also can realize the object of the invention; Promptly, a gib head 4 is launched laterally in advance, utilize the deadweight of suspension hook assembly then through the motion of travel mechanism 5; Make two gib heads 4 launch to both direction respectively, thereby reach the purpose that suspension hook double hook head launches.
Preferably, on said mounting bracket 9, be provided with shackle 8.Preferably, said shackle 8 is arranged on the outside of said mounting bracket 9, is convenient to external force F1 draw gear and directly acts on described mounting bracket 9 through said shackle 8, and then make described travel mechanism 5 produce motion to expansion direction.
Further preferably, the bottom corners place of said mounting bracket 9 is provided with the circular arc type structure.Make said mounting bracket 9 thus after being deployed into certain angle, prevent to produce between mounting bracket 9 and the bearing surface contact and make to launch to move and hindered.
In addition, in the present embodiment, have mounting hole on the said gib head 4, said mounting bracket 9 is fixed on the described mounting hole through a bearing pin 10.
Preferably, be understood that said mounting bracket 9 can also be fixed on the said gib head 4 through the buckle (not shown) structure that matches with said gib head 4 for those of ordinary skills.As shown in Figure 4, can directly mounting bracket 9 be fixed on the hollow structure place on gib head 4 tops through the fixed form of two-way buckle or rope buckle.
Referring to Fig. 5, said expanding unit also comprises the double hook head load-bearing transportation device 6 that matches with said travel mechanism 5.Preferably, in the present embodiment, said double hook head load-bearing transportation device 6 has the travelling bogie of positioning plate 14 and hanger 15 for sidepiece.And further, be provided with at least two castors in the bottom of said double hook head load-bearing transportation device 6, and at least one castor is provided with stop mechanism.
Particularly, working process of the present invention is:
As shown in Figure 5; The present invention is through being provided with travel mechanism 5 in double hook head bottom, makes in concrete operation to applying on one of them or two gib heads 4 after the less power F1, just can gib head be launched laterally; Simultaneously; Because the weight of gib head assembly is very big, just can act synergistically each other with said less power through its deadweight, makes two gib heads 4 to launch to both direction; Further, the present invention is provided with on said gib head 4 at least partly and is the mounting bracket 9 of U type, and on the bottom of mounting bracket 9, is provided with castor 7; When suspension hook body 1 and double hook head assembly 3 need be disassembled, the suspension hook assembly sling to be hovered in the air, places a movable double hook head load-bearing transportation device 6 in suspension hook assembly bottom; Be preferably travelling bogie, as shown in Figure 5, then the suspension hook assembly is slowly descended; Two gib heads, 4 bottom castors 7 are contacted with the carrying surface of travelling bogie slightly; Apply simultaneously equal and opposite in direction, directed force F 1 in the opposite direction respectively in two gib heads, 4 bottoms, because of castor 7 contacts with travelling bogie, contact point place dolly is to 7 one reverse bearing forces of castor; This power and gib head gravity are cancelled out each other, and very little horizontal applied force can make two gib heads 4 launch to both sides.In the process that two gib heads 4 launch, the suspension hook assembly slowly descends, and under the effect of gravity, two gib heads can launch to both sides voluntarily, and until being the level of state, biside plate drops on the dolly carrying surface.
Refer again to Fig. 4, this figure also illustrates the scheme drawing that castors are installed for suspension hook gib head 4, wherein, preferably suspension hook gib head 4 is designed to bottom to neck of hook portion and is square, and some distances have a through hole apart from the bottom, are convenient to through bearing pin 10 fixing described mounting brackets 9.Be fixed with shackle 8 on the mounting bracket 9, be convenient to gib head 4 is applied the application force that launches laterally.Mounting bracket 9 is minimum fixes a castor 7, can adopt various connection modes such as bolted connection or welding between castor 7 and the mounting bracket 9.
Fig. 6 is placed on the scheme drawing on the double hook head load-bearing transportation device 6 for the present invention's dismounting, and positioning plate 14 can prevent that gib head from skidding off the dolly edge in dropping process among the figure; Hanger 15 is convenient to dolly and gib head assembly integral lifting transportation.For satisfying basic operating needs, castor 7 quantity must be greater than 2, and have at least one to have the stop mechanism (not shown), thereby prevent that because single unit system weight makes that more greatly dolly is moved, it is dangerous to form operation; Hanger 15 quantity must be more than or equal to 2.Preferably, present embodiment can be sling gib head assembly and dolly integral body through 4 suspension centres on the dolly, and the transition transportation is very convenient.
When suspension hook body 1 and double hook head assembly 3 need be assembled into the suspension hook assembly; Only need with dolly together with the gib head assembly move to double hook head assembly 3 below; Adjust the stand of dolly as required flexibly, can realize that suspension hook body 1 is connected with the quick of double hook head assembly 3.
Obviously, those of ordinary skill in the art can use a kind of suspension hook double hook head expanding unit of the present invention, the load hook that constitutes various types of mechanical equipment expanding units and have this device.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can specific embodiments of the invention make amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. suspension hook double hook head expanding unit; Comprise have suspension hook body (1), the double hook head suspension hook assembly of adapter shaft (2) and double hook head assembly (3); Said suspension hook body (1) links to each other with said double hook head assembly (3) through adapter shaft (2); Be provided with two gib heads (4) in said double hook head assembly (3) below, it is characterized in that: at least one described gib head (4) is provided with the travel mechanism (5) in the motion of gib head expansion direction.
2. suspension hook double hook head expanding unit according to claim 1 is characterized in that: on said two gib heads (4), be equipped with the travel mechanism (5) in two expansion direction motions of gib head.
3. suspension hook double hook head expanding unit according to claim 1 and 2 is characterized in that: said travel mechanism (5) comprises that being arranged on said gib head (4) upward and at least partly is the mounting bracket (9) of U type, and the bottom of said mounting bracket (9) is provided with castor (7).
4. suspension hook double hook head expanding unit according to claim 3, it is characterized in that: said mounting bracket (9) is provided with shackle (8).
5. suspension hook double hook head expanding unit according to claim 3, it is characterized in that: the bottom corners place of said mounting bracket (9) is provided with the circular arc type structure.
6. suspension hook double hook head expanding unit according to claim 3, it is characterized in that: said gib head has mounting hole on (4), and said mounting bracket (9) is fixed on the described mounting hole through a bearing pin (10).
7. suspension hook double hook head expanding unit according to claim 3 is characterized in that: said mounting bracket (9) is fixed on the said gib head (4) through the buckle structure that matches with said gib head (4).
8. suspension hook double hook head expanding unit according to claim 1 is characterized in that: said expanding unit also comprises the double hook head load-bearing transportation device (6) that matches with said travel mechanism (5).
9. suspension hook double hook head expanding unit according to claim 8 is characterized in that: said double hook head load-bearing transportation device (6) has the travelling bogie of positioning plate (14) and hanger (15) for sidepiece.
10. according to Claim 8 or 9 described suspension hook double hook head expanding units, it is characterized in that: the bottom of said double hook head load-bearing transportation device (6) is provided with at least two castors, and at least one castor is provided with stop mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164436A CN102303811A (en) | 2011-06-20 | 2011-06-20 | Device for unfolding double hook heads of hanging hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164436A CN102303811A (en) | 2011-06-20 | 2011-06-20 | Device for unfolding double hook heads of hanging hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102303811A true CN102303811A (en) | 2012-01-04 |
Family
ID=45377756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110164436A Pending CN102303811A (en) | 2011-06-20 | 2011-06-20 | Device for unfolding double hook heads of hanging hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102303811A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569851A (en) * | 2013-11-06 | 2014-02-12 | 无锡市新华起重工具有限公司 | Two-chain hook |
| CN103896148A (en) * | 2013-04-24 | 2014-07-02 | 徐州徐工随车起重机有限公司 | Sling chain twist lock device for container loading and unloading |
| CN104444783A (en) * | 2014-12-15 | 2015-03-25 | 太原重工股份有限公司 | Tackle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3306470A (en) * | 1965-01-25 | 1967-02-28 | Robert A Green | Folding boom for mobile cranes |
| US20040084917A1 (en) * | 2001-02-26 | 2004-05-06 | Rudiger Zollondz | Bottom hook block system |
| CN101797990A (en) * | 2010-01-21 | 2010-08-11 | 张忠钢 | self-propelled tray |
| CN101880011A (en) * | 2009-02-25 | 2010-11-10 | 马尼托瓦克起重机有限责任公司 | The crane hook assembly pulley |
| CN202124425U (en) * | 2011-06-20 | 2012-01-25 | 徐工集团工程机械股份有限公司 | Unfolding device for double-hook head of lifting hook |
-
2011
- 2011-06-20 CN CN201110164436A patent/CN102303811A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3306470A (en) * | 1965-01-25 | 1967-02-28 | Robert A Green | Folding boom for mobile cranes |
| US20040084917A1 (en) * | 2001-02-26 | 2004-05-06 | Rudiger Zollondz | Bottom hook block system |
| CN101880011A (en) * | 2009-02-25 | 2010-11-10 | 马尼托瓦克起重机有限责任公司 | The crane hook assembly pulley |
| CN101797990A (en) * | 2010-01-21 | 2010-08-11 | 张忠钢 | self-propelled tray |
| CN202124425U (en) * | 2011-06-20 | 2012-01-25 | 徐工集团工程机械股份有限公司 | Unfolding device for double-hook head of lifting hook |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896148A (en) * | 2013-04-24 | 2014-07-02 | 徐州徐工随车起重机有限公司 | Sling chain twist lock device for container loading and unloading |
| CN103896148B (en) * | 2013-04-24 | 2016-08-24 | 徐州徐工随车起重机有限公司 | A kind of container handling chain sling rotary-locking device |
| CN103569851A (en) * | 2013-11-06 | 2014-02-12 | 无锡市新华起重工具有限公司 | Two-chain hook |
| CN104444783A (en) * | 2014-12-15 | 2015-03-25 | 太原重工股份有限公司 | Tackle |
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| PB01 | Publication | ||
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Application publication date: 20120104 |