CN103640970A - Anti-rotating positioning device for crane hook - Google Patents
Anti-rotating positioning device for crane hook Download PDFInfo
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- CN103640970A CN103640970A CN201310578643.XA CN201310578643A CN103640970A CN 103640970 A CN103640970 A CN 103640970A CN 201310578643 A CN201310578643 A CN 201310578643A CN 103640970 A CN103640970 A CN 103640970A
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- suspension hook
- latch
- crossbeam
- positioning
- sleeve
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Abstract
The invention discloses an anti-rotating positioning device for a crane hook. The anti-rotating positioning device comprises a pulley assembly, two hoisting yoke plates, and a suspension hook assembly; the suspension hook assembly comprises a suspension hook, a crossbeam, a positioning nut and an anti-off bolt; the middle of the crossbeam is penetrated vertically by the upper end of the suspension hook; the positioning nut and the upper end of the suspension hook are connected via threaded connection; the positioning nut and the upper end of the suspension hook are penetrated by the anti-off bolt transversely; the suspension hook and the positioning nut are arranged on the crossbeam via a bearing; the middle of one side of the crossbeam is provided with a suspension hook anti-rotating positioning mechanism comprising a sleeve, a positioning sleeve head, a plug pin, a spring, a locating pin and a handle block; the sleeve is fixedly arranged on one side of the crossbeam; the positioning sleeve head is fixedly arranged on the outer end of the sleeve; the positioning sleeve head and the sleeve are penetrated by the inner end of the plug pin, and the inner end protrudes into a positioning hole arranged at the upper end of the suspension hook; the two ends of the spring are pressed against the inner end of the plug pin and the positioning sleeve head respectively; the outer end of the plug pin is transversely penetrated by the locating pin, and the inner part of the positioning sleeve is pressed against by the locating pin. The anti-rotating positioning device is suitable for hanged transporting under normal working conditions, and under space limited conditions; can be used for hanged transporting of special objects, such as high-temperature objects, and objects that are easy to corrode; and is safe and reliable for suspension hook positioning.
Description
Technical field
The present invention relates to a kind of crane hook, especially a kind of crane hook anti-rotation positioning device, belongs to weight-lifting equipment technical field.
Background technology
The suspension hook group of hoisting crane has two kinds, traditional and grasp type, traditional suspension hook group when hoisting heavy because weight deviation of gravity center or steel rope tilt, firm when liftoff at suspended object, often cause suspension hook gib head and weight do not stop for a long time moving or rotate, so easy colliding with, cause unnecessary loss, especially when handling high temperature, the special article such as perishable, also there is larger potential safety hazard, although and there are not the problems referred to above in grasp type suspension hook group, but it is higher to lifting laying for goods status requirement, operation inconvenience.
Summary of the invention
The object of this invention is to provide a kind of simple in structure, easy to operate, can effectively prevent the crane hook anti-rotation positioning device that crane hook rotates.
The present invention is achieved by the following technical programs:
A kind of crane hook anti-rotation positioning device, comprise assembly pulley, two the lifting yoke plates that be arranged in parallel, suspension hook group and the anti-rotating positioning mechanisms of suspension hook, assembly pulley and being arranged between two lifting yoke plates that be arranged in parallel in the suspension hook group of assembly pulley downside, assembly pulley is supported on two lifting yoke plate upper ends by transverse axis; Described suspension hook group comprises suspension hook, crossbeam, setscrew nut and anticreep bolt, suspension hook upper end is vertically through crossbeam middle part, setscrew nut is threaded with suspension hook upper end, anticreep bolt crosses setscrew nut and termination, suspension hook upper end, and lock by fastener, suspension hook and setscrew nut are supported on crossbeam by thrust baring; The anti-rotating positioning mechanism of suspension hook is arranged on crossbeam one middle side part, the anti-rotating positioning mechanism of described suspension hook comprises sleeve, it is pullover to locate, latch, spring, locating dowel pin and handle piece, described sleeve puts in crossbeam one middle side part, by screw thread, be fixedly connected with crossbeam, locate and pulloverly by screw thread, be fixed on sleeve outer end, the inner termination of latch ecto-entad successively and sleeve pullover through location puts in the knock hole of suspension hook upper end, the spring being enclosed within on latch is arranged in sleeve endoporus, both ends of the spring be resisted against respectively the inner and location of latch pullover on; Locating dowel pin passes across latch outer end, the locating dowel pin two ends of stretching out latch be resisted against location pullover in; Handle piece is fixedly connected with latch outer end.
Object of the present invention can also further realize by following technical measures.
Aforesaid crane hook anti-rotation positioning device, convex shoulder is radially extended in wherein said latch the inner, and spring the inner is resisted against on convex shoulder.
Aforesaid crane hook anti-rotation positioning device, wherein locates pullover outer end end-face diameter to being provided with orthogonal the first positioning groove and the second positioning groove, and the locating dowel pin that crosses latch outer end is fixedly connected with latch outer end; Regularly, the inner termination of latch is resisted against in the knock hole of suspension hook upper center sling-dog location lock, and locating dowel pin two ends are resisted against in the first positioning groove of pullover outer end, location; When suspension hook is located release, pull out latch half-twist, locating dowel pin two ends are resisted against in the second positioning groove of pullover outer end, location.
Aforesaid crane hook anti-rotation positioning device, wherein the depth H of the first positioning groove is greater than the degree of depth h of the second positioning groove, and the difference of H and h is greater than the inner termination of the latch length L putting in the knock hole of suspension hook upper end.
The present invention is simple in structure, easy to operate, low cost of manufacture, during conventional operating mode handling, pull out latch the half-twist of the anti-rotating positioning mechanism of suspension hook, locating dowel pin two ends are resisted against in the second more shallow positioning groove of pullover outer end, the location degree of depth, suspension hook location release, suspension hook can carry out 360 ° of rotations, facilitates the article of the various placing directions of handling, can reduce the suffered torsion of steel rope, prolonging service life of steel wire simultaneously.When handling under limited space environment or handling high temperature, the special article such as perishable, pull out latch half-twist again, locating dowel pin two ends are resisted against in the first darker positioning groove of pullover outer end, the location degree of depth, now has inserted in the knock hole of suspension hook upper end termination, latch one end, locking suspension hook can be prevented to it rotates, avoid the phenomenons such as handling thing collides with, pollutes, trickles down, and then avoided the generation of accident, improved the safety that suspension hook uses.
Advantage and disadvantage of the present invention, the non-limitative illustration by preferred embodiment below is for illustration and explanation, and these embodiment, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1;
Fig. 3 is the I portion enlarged drawing of Fig. 2;
Fig. 4 is that the present invention locates pullover structural representation;
Fig. 5 is the left view of Fig. 4.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Fig. 1～Fig. 5, the present invention includes assembly pulley 1, two the lifting yoke plates 2 that be arranged in parallel and suspension hook groups 3, assembly pulley 1 and being arranged between two lifting yoke plates 2 that be arranged in parallel in the suspension hook group 3 of assembly pulley 1 downside, assembly pulley 1 is supported on two lifting yoke plate 2 upper ends by transverse axis.Suspension hook group 3 comprises suspension hook 31, crossbeam 32, setscrew nut 33 and anticreep bolt 34, and crossbeam 32 two ends are supported on respectively on two lifting yoke plates 2, and by being fixed on locating clamp plate 35 location in lifting yoke plate 2 outsides.Suspension hook 31 upper ends are vertically through crossbeam 32 middle parts, setscrew nut 33 screws in suspension hook 31 terminations, upper end, anticreep bolt 34 crosses suspension hook 31 terminations, upper end and setscrew nut 33, and locks by nut 37, and suspension hook 31 is supported on crossbeam 32 by thrust baring 36 with setscrew nut 33.
Crossbeam 32 1 middle side parts are also provided with the anti-rotating positioning mechanism 4 of suspension hook, the anti-rotating positioning mechanism 4 of suspension hook comprises sleeve 41, locate pullover 42, latch 43, spring 44, locating dowel pin 45 and handle piece 46, sleeve 41 puts in crossbeam 32 1 middle side parts, by screw thread, be fixedly connected with crossbeam 32, locating pullover 42 screws in sleeve 41 outer ends, the inner termination of latch 43 ecto-entad puts in suspension hook 31 upper end knock holees 311 through location pullover 42 and sleeve 41 successively, spring 44 is arranged in sleeve 41 endoporus, be sleeved on latch 43, spring 44 two ends are resisted against respectively on the convex shoulder 431 and location pullover 42 radially extending latch 43 the inners.
Locate pullover 42 outer end end faces and be radially provided with orthogonal the first positioning groove 421 and the second positioning groove 422, locating dowel pin 45 crosses latch 43 outer ends, and its middle part is fixed in latch 43, and latch 43 is stretched out in termination, two ends.During suspension hook 31 position and lock, the inner termination of latch 43 is resisted against in the knock hole 311 of suspension hook 31 upper center, and locating dowel pin 45 terminations, two ends are resisted against in the first positioning groove 421 of pullover 42 outer ends, location.When suspension hook 31 is located release, pull out latch 43 half-twists, locating dowel pin 45 terminations, two ends are resisted against in the second positioning groove 422 of pullover 42 outer ends, location.The depth H of the first positioning groove 421 is greater than the degree of depth h of the second positioning groove 422, and the difference of H and h is greater than the inner termination of latch 43 length L putting in suspension hook 31 upper end knock holees 311, guarantee that the inner termination of latch 43 can both put in suspension hook 31 upper end knock holees 311, knock hole 311 be can depart from again, position and lock and the release of suspension hook 31 realized.Handle piece 46 is fixed on latch 43 terminations, outer end, its cylindrical annular knurl, handled easily by screw 47.
During conventional operating mode handling, hold handle piece 46 and pull out latch 43, make its inner termination depart from the knock hole 311 of suspension hook 31 upper center, now spring 44 compressions, the first positioning groove 421 of pullover 42 outer ends is located in locating dowel pin 45 terminations, two ends also corresponding disengaging, then will after latch 43 axis half-twists, loose one's grip, under spring 44 restoring force effects, locating dowel pin 45 terminations, two ends are resisted against in the second more shallow positioning groove 422 of pullover 42 outer ends, location, now suspension hook 31 location releases, suspension hook 31 can carry out 360 ° of rotations, facilitates the article of the various placing directions of handling.When at the handling of limited space environment or handling high temperature, the special article such as perishable, hold handle piece 46 and pull out latch 43 half-twist again, locating dowel pin 45 terminations, two ends are resisted against in the first darker positioning groove 421 of pullover 42 outer ends, location, the inner termination of latch 43 is resisted against in the knock hole 311 of suspension hook 31 upper center, now locating dowel pin 45 is corresponding is resisted against in first positioning groove 421 of locating pullover 42 outer ends, suspension hook 31 position and locks, can effectively prevent that it from rotating.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (4)
1. a crane hook anti-rotation positioning device, comprise assembly pulley, two lifting yoke plates that be arranged in parallel and suspension hook group, assembly pulley and being arranged between two lifting yoke plates that be arranged in parallel in the suspension hook group of assembly pulley downside, assembly pulley is supported on two lifting yoke plate upper ends by transverse axis; Described suspension hook group comprises suspension hook, crossbeam, setscrew nut and anticreep bolt, suspension hook upper end is vertically through crossbeam middle part, setscrew nut is threaded with suspension hook upper end, anticreep bolt crosses setscrew nut and termination, suspension hook upper end, and lock by fastener, suspension hook and setscrew nut are supported on crossbeam by thrust baring; It is characterized in that: described crossbeam one middle side part is also provided with the anti-rotating positioning mechanism of suspension hook, the anti-rotating positioning mechanism of described suspension hook comprises sleeve, it is pullover to locate, latch, spring, locating dowel pin and handle piece, described sleeve puts in crossbeam one middle side part, by screw thread, be fixedly connected with crossbeam, locate and pulloverly by screw thread, be fixed on sleeve outer end, the inner termination of latch ecto-entad successively and sleeve pullover through location puts in the knock hole of suspension hook upper end, the spring being enclosed within on latch is arranged in sleeve endoporus, both ends of the spring be resisted against respectively the inner and location of latch pullover on; Locating dowel pin passes across latch outer end, the locating dowel pin two ends of stretching out latch be resisted against location pullover in; Handle piece is fixedly connected with latch outer end.
2. crane hook anti-rotation positioning device as claimed in claim 1, is characterized in that: convex shoulder is radially extended in described latch the inner, and spring the inner is resisted against on convex shoulder.
3. crane hook anti-rotation positioning device as claimed in claim 1, is characterized in that: locate pullover outer end end-face diameter to being provided with orthogonal the first positioning groove and the second positioning groove, the locating dowel pin that crosses latch outer end is fixedly connected with latch outer end; Regularly, the inner termination of latch is resisted against in the knock hole of suspension hook upper center sling-dog location lock, and locating dowel pin two ends are resisted against in the first positioning groove of pullover outer end, location; When suspension hook is located release, pull out latch half-twist, locating dowel pin two ends are resisted against in the second positioning groove of pullover outer end, location.
4. crane hook anti-rotation positioning device as claimed in claim 1, is characterized in that: the depth H of the first positioning groove is greater than the degree of depth h of the second positioning groove, and the difference of H and h is greater than the inner termination of the latch length L putting in the knock hole of suspension hook upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310578643.XA CN103640970B (en) | 2013-11-19 | 2013-11-19 | Anti-rotating positioning device for crane hook |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310578643.XA CN103640970B (en) | 2013-11-19 | 2013-11-19 | Anti-rotating positioning device for crane hook |
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| Publication Number | Publication Date |
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| CN103640970A true CN103640970A (en) | 2014-03-19 |
| CN103640970B CN103640970B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310578643.XA Active CN103640970B (en) | 2013-11-19 | 2013-11-19 | Anti-rotating positioning device for crane hook |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236259A (en) * | 2015-11-11 | 2016-01-13 | 太原重工股份有限公司 | Locking device of lifting hook and lifting appliance |
| CN105417389A (en) * | 2015-12-30 | 2016-03-23 | 徐州重型机械有限公司 | Auxiliary hook fixing device and crane |
| CN111960278A (en) * | 2020-08-31 | 2020-11-20 | 合肥市神雕起重机械有限公司 | Easy-to-operate anti-deflection crane |
| CN118666139A (en) * | 2024-08-23 | 2024-09-20 | 河南克越建筑工程有限公司 | Safe building hoisting accessory |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200992463Y (en) * | 2006-12-12 | 2007-12-19 | 陆克仪 | Lifting-moving machine of preventing lifted goods swinging |
| US7883131B2 (en) * | 2007-10-30 | 2011-02-08 | Machining And Welding By Olsen, Inc. | Crane hook assemblies and methods of use |
| CN203545499U (en) * | 2013-11-19 | 2014-04-16 | 江苏沃得起重机有限公司 | Anti-rotating locating device of crane hook |
-
2013
- 2013-11-19 CN CN201310578643.XA patent/CN103640970B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200992463Y (en) * | 2006-12-12 | 2007-12-19 | 陆克仪 | Lifting-moving machine of preventing lifted goods swinging |
| US7883131B2 (en) * | 2007-10-30 | 2011-02-08 | Machining And Welding By Olsen, Inc. | Crane hook assemblies and methods of use |
| CN203545499U (en) * | 2013-11-19 | 2014-04-16 | 江苏沃得起重机有限公司 | Anti-rotating locating device of crane hook |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236259A (en) * | 2015-11-11 | 2016-01-13 | 太原重工股份有限公司 | Locking device of lifting hook and lifting appliance |
| CN105417389A (en) * | 2015-12-30 | 2016-03-23 | 徐州重型机械有限公司 | Auxiliary hook fixing device and crane |
| CN111960278A (en) * | 2020-08-31 | 2020-11-20 | 合肥市神雕起重机械有限公司 | Easy-to-operate anti-deflection crane |
| CN111960278B (en) * | 2020-08-31 | 2023-11-21 | 安徽神雕智能科技有限公司 | Easy-to-operate anti-deflection crane |
| CN118666139A (en) * | 2024-08-23 | 2024-09-20 | 河南克越建筑工程有限公司 | Safe building hoisting accessory |
| CN118666139B (en) * | 2024-08-23 | 2024-10-25 | 河南克越建筑工程有限公司 | Safe building hoisting accessory |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103640970B (en) | 2015-05-27 |
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