CN108821101B - Lifting hook with optimized structure on crane - Google Patents
Lifting hook with optimized structure on crane Download PDFInfo
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- CN108821101B CN108821101B CN201810756960.9A CN201810756960A CN108821101B CN 108821101 B CN108821101 B CN 108821101B CN 201810756960 A CN201810756960 A CN 201810756960A CN 108821101 B CN108821101 B CN 108821101B
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- hook
- stop
- rods
- hook body
- stud
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a lifting hook with an optimized structure on a crane, which comprises a hook body in a shape like a Chinese character 'shan', wherein the hook body consists of hook claws at two sides and a middle vertical part, a cylindrical stop block is fixedly formed at the upper end of the vertical part of the hook body, a vertical stud is formed on the upper end surface of the stop block, a connecting block is fixed at the top end of the stud, support lugs are formed on two side walls of the vertical part on the hook body at the lower side of the stop block, hinge shafts are hinged on the support lugs, two ends of each hinge shaft are respectively hinged with one end of two stop rods, the other ends of the stop rods are fixedly connected with connecting rods, and the connecting rods abut against the outer walls of the hook; guide grooves are formed on the stop rods, guide shafts are inserted between the stop rods, pillars are formed at two ends of each guide shaft and inserted in the guide grooves of the stop rods; an adjusting sleeve is inserted and sleeved on the stud, a support rod is formed on the side wall of the adjusting sleeve, and a guide shaft is inserted and fixed at the lower end of the support rod; the adjusting sleeve is hinged with a threaded sleeve, and the threaded sleeve is screwed on the stud. The invention can prevent the hook from unhooking and is convenient for the steel cable and the like to enter or take down from the hook.
Description
The technical field is as follows:
the invention relates to the technical field of engineering machinery, in particular to a lifting hook with an optimized structure on a crane.
Background art:
with the rapid development of industries such as large-scale infrastructure construction, energy industry, shipbuilding industry and the like in recent years, the development of heavy machinery manufacturing industry such as cranes and the like is greatly driven, the cranes hook and lift cargos by a lifting hook, but in the working process of the cranes, a steel wire rope of the crane shakes due to external factors such as wind and the like, so that the unhooking phenomenon easily occurs, and adverse consequences such as casualties, cargo damage and the like are caused; thereby some cranes set up on the lifting hook and can carry out pivoted interior separation blade, interior separation blade supports on the inner wall at the effort of spring or torsional spring and leans on the lifting hook head, but the structure though make things convenient for in cable wire etc. gets into the lifting hook, nevertheless because interior separation blade sets up at the lifting hook is inboard, need turn over interior separation blade down, sometimes interior separation blade can receive the hindrance of cable wire turn over down very inconvenient, then get out cable wire ten minutes inconvenient in following the lifting hook.
The invention content is as follows:
the invention aims to overcome the defects in the prior art and provides a lifting hook with an optimized structure on a crane, which can prevent the phenomenon of unhooking of the lifting hook and simultaneously facilitate the entering or taking-off of a steel cable and the like from the lifting hook.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a lifting hook with an optimized structure on a crane comprises a hook body in a shape like a Chinese character 'shan', wherein the hook body consists of hook claws at two sides and a middle vertical part, a cylindrical stop block is fixed at the upper end of the vertical part of the hook body, a vertical stud is formed on the upper end surface of the stop block, a connecting block is fixed at the top end of the stud, support lugs are formed on two side walls of the vertical part on the hook body at the lower side of the stop block, hinge shafts are hinged on the support lugs, two ends of each hinge shaft are respectively hinged with one end of two stop rods, the other end of each stop rod is fixedly connected with a connecting rod, and the connecting rod abuts against the outer wall of the hook claw on; guide grooves are formed in the stop rods, guide shafts are inserted between the stop rods, supporting columns are formed at two ends of each guide shaft and inserted in the guide grooves of the stop rods; the stud is inserted and sleeved with an adjusting sleeve, two opposite side walls of the adjusting sleeve are formed with supporting rods, the lower ends of the supporting rods are inserted and connected between the stop rods, and the guide shaft is inserted and connected with the lower ends of the supporting rods; the adjusting sleeve is hinged with a threaded sleeve, and the threaded sleeve is screwed on the stud.
Preferably, the threaded sleeve and the adjusting sleeve are hinged in a manner that the threaded sleeve is inverted T-shaped, a limiting sleeve is inserted and sleeved on the threaded sleeve, the upper end of the adjusting sleeve is inserted and fixed in the limiting sleeve, a check ring is formed at the upper end of the limiting sleeve, and the check ring of the limiting sleeve abuts against the threaded sleeve.
Preferably, a plurality of grooves are formed in the threaded sleeve on the upper side of the limiting sleeve, and the grooves are uniformly distributed in an annular mode around the central axis of the threaded sleeve.
Preferably, the distance between the two stop rods on the same side of the vertical part of the hook body is larger than the thickness of the support rod.
Preferably, the distance between the two stop rods on the same side of the vertical part of the hook body is equal to the thickness of the hook body.
Preferably, the support lugs on the hook body are distributed on the upper sides of the hook claws on two sides of the hook body.
The invention has the beneficial effects that: the lifting hook has simple structure, can prevent the unhooking phenomenon of the lifting hook, and is convenient for the steel cable and the like to enter or take down from the lifting hook.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a front view of the present invention.
In the figure: 1. a hook body; 12. a stud; 11. a stopper; 13. connecting blocks; 14. supporting a lug; 2. hinging a shaft; 3. a gear lever; 4. a connecting rod; 5. an adjusting sleeve; 51. a strut; 6. a guide shaft; 61. a pillar; 7. a threaded sleeve; 71. a groove; 8. a limiting sleeve.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 and 2, the lifting hook with the optimized structure on the crane comprises a hook body 1 in a shape like a Chinese character 'shan', wherein the hook body 1 consists of hook claws at two sides and a middle vertical part, a cylindrical stop 11 is fixed at the upper end of the vertical part of the hook body 1, a vertical stud 12 is formed on the upper end surface of the stop 11, a connecting block 13 is fixed at the top end of the stud 12, support lugs 14 are formed on two side walls of the vertical part on the hook body 1 at the lower side of the stop 11, hinge shafts 2 are hinged on the support lugs 14, two ends of each hinge shaft 2 are respectively hinged with one end of each of two stop rods 3, the other end of each stop rod 3 is fixedly connected with a connecting rod 4, and each connecting rod 4 abuts against the outer wall of the hook claw; guide grooves 31 are formed on the stop rods 3, guide shafts 6 are inserted between the stop rods 3, supporting columns 61 are formed at two ends of each guide shaft 6, and the supporting columns 61 are inserted in the guide grooves 31 of the stop rods 3; the stud 12 is inserted and sleeved with an adjusting sleeve 5, two opposite side walls of the adjusting sleeve 5 are formed with supporting rods 51, the lower ends of the supporting rods 51 are inserted and connected between the stop rods 3, and the guide shaft 6 is inserted and connected with the lower ends of the supporting rods 51; the adjusting sleeve 5 is hinged with a threaded sleeve 7, and the threaded sleeve 7 is screwed on a stud 12.
Preferably, the threaded sleeve 7 and the adjusting sleeve 5 are hinged in a manner that the threaded sleeve 7 is inverted T-shaped, a limiting sleeve 8 is inserted and sleeved on the threaded sleeve 7, the upper end of the adjusting sleeve 5 is inserted and fixed in the limiting sleeve 8, a check ring is formed at the upper end of the limiting sleeve 8, and the check ring of the limiting sleeve 8 abuts against the threaded sleeve 7.
Preferably, a plurality of grooves 71 are formed in the threaded sleeve 7 on the upper side of the limiting sleeve 8, and the grooves 71 are uniformly distributed in an annular shape around the central axis of the threaded sleeve 7.
Preferably, the distance between the two stop rods 3 on the same side of the vertical part of the hook body 1 is larger than the thickness of the support rod 51.
Preferably, the distance between the two stop rods 3 on the same side of the vertical part of the hook body 1 is equal to the thickness of the hook body 1.
Preferably, the support lugs 14 on the hook body 1 are distributed on the upper sides of the claws on both sides of the hook body 1.
The working principle is as follows: the invention is a hook anti-unhooking device on a crane, as shown in figure 1, in the state, a hook body 1 is provided with two hook claws, and a stop lever 3 can realize the closing of the opening of the hook claw of the hook body 1 and can prevent a steel cable and the like in the hook body 1 from going out of the opening of the hook body 1;
the steel cable and the like enter the hook body 1 or are taken out from the hook body 1, and the gear lever 3 is turned over only by rotating the threaded sleeve 7, so that the opening of the hook body 1 is opened, meanwhile, the gear lever 3 cannot interfere with the steel cable and the like, and the steel cable and the like can conveniently enter or be taken out from the hook body 1.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (5)
1. The utility model provides a lifting hook of configuration optimization on hoist, includes coupler body (1) of "mountain" font, and coupler body (1) comprises the hook claw of both sides and the vertical portion in centre, and the upper end of coupler body (1) vertical portion is fixed with the shaping and has columniform dog (11), its characterized in that: a vertical stud (12) is formed on the upper end face of the stop block (11), a connecting block (13) is fixed at the top end of the stud (12), support lugs (14) are formed on two side walls of the vertical part on the hook body (1) on the lower side of the stop block (11), an articulated shaft (2) is hinged on the support lugs (14), two ends of the articulated shaft (2) are respectively hinged with one end of each of two stop rods (3), a connecting rod (4) is fixedly connected to the other end of each stop rod (3), and the connecting rod (4) abuts against the outer wall of the hook claw on the hook body (1); guide grooves (31) are formed in the stop rods (3), guide shafts (6) are inserted between the stop rods (3), supporting columns (61) are formed at two ends of each guide shaft (6), and the supporting columns (61) are inserted in the guide grooves (31) of the stop rods (3); the adjusting sleeve (5) is inserted and sleeved on the stud (12), supporting rods (51) are formed on two opposite side walls of the adjusting sleeve (5), the lower ends of the supporting rods (51) are inserted and connected between the stop rods (3), and the guide shaft (6) is inserted and connected with the lower ends of the supporting rods (51); the adjusting sleeve (5) is hinged with a threaded sleeve (7), and the threaded sleeve (7) is screwed on the stud (12);
the articulated mode of swivel nut (7) and adjusting collar (5) does, and swivel nut (7) is the T type of invering, and plug bush has stop collar (8) on swivel nut (7), and the upper end of adjusting collar (5) is pegged graft and is fixed in stop collar (8), and the upper end shaping of stop collar (8) has the retaining ring, and the retaining ring of stop collar (8) supports and leans on swivel nut (7).
2. A structurally optimised lifting hook for cranes according to claim 1, wherein: a plurality of grooves (71) are formed in the threaded sleeve (7) on the upper side of the limiting sleeve (8), and the grooves (71) are uniformly distributed in an annular shape around the central axis of the threaded sleeve (7).
3. A structurally optimised lifting hook for cranes according to claim 1, wherein: the distance between the two stop rods (3) on the same side of the vertical part of the hook body (1) is larger than the thickness of the support rod (51).
4. A structurally optimised lifting hook for cranes according to claim 1, wherein: the distance between the two stop rods (3) on the same side of the vertical part of the hook body (1) is equal to the thickness of the hook body (1).
5. A structurally optimised lifting hook for cranes according to claim 1, wherein: the support lugs (14) on the hook body (1) are distributed on the upper sides of the hook claws on two sides of the hook body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756960.9A CN108821101B (en) | 2018-07-11 | 2018-07-11 | Lifting hook with optimized structure on crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756960.9A CN108821101B (en) | 2018-07-11 | 2018-07-11 | Lifting hook with optimized structure on crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108821101A CN108821101A (en) | 2018-11-16 |
| CN108821101B true CN108821101B (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810756960.9A Active CN108821101B (en) | 2018-07-11 | 2018-07-11 | Lifting hook with optimized structure on crane |
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| Country | Link |
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| CN (1) | CN108821101B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392576A (en) * | 2020-04-27 | 2020-07-10 | 新乡市长江起重机械有限公司 | Crane anti-falling protection lifting hook |
| CN116788970A (en) * | 2023-08-15 | 2023-09-22 | 张家港宏昌钢板有限公司 | Electric furnace steelmaking electrode replacement device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2857709B1 (en) * | 2003-07-16 | 2008-08-08 | Simond Ludger Sa | CARRIER HAS TWO OPPOSED FINGERS |
| CN202518937U (en) * | 2012-03-31 | 2012-11-07 | 东方电气集团东方汽轮机有限公司 | Lifting hook |
| CN202729578U (en) * | 2012-06-19 | 2013-02-13 | 宁波雄狮机械制造有限公司 | Grab hook with self-locking mechanism |
| CN205855797U (en) * | 2016-08-03 | 2017-01-04 | 河南远力重型起重机械有限公司 | A kind of disconnecting preventing double-hung |
| CN107082362A (en) * | 2017-04-28 | 2017-08-22 | 丁灏 | A kind of antioverloading suspension hook weighed |
| CN206985523U (en) * | 2017-07-31 | 2018-02-09 | 河南省东风起重机械有限公司 | A kind of gantry crane Suspension hook structure |
| CN108033356A (en) * | 2017-10-20 | 2018-05-15 | 德马科起重机械有限公司 | A kind of self-locking of shackle hook and anti-drop device |
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2018
- 2018-07-11 CN CN201810756960.9A patent/CN108821101B/en active Active
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| Publication number | Publication date |
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| CN108821101A (en) | 2018-11-16 |
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Effective date of registration: 20200103 Address after: 201900 room 78, block F, floor 6, No. 1000, zhenchen Road, Baoshan District, Shanghai Applicant after: Shanghai Xingyou Construction Machinery Co., Ltd Address before: 523000 Guangdong province Dongguan City Songshan Lake high tech Industrial Zone Building 406 industrial development productivity Applicant before: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. |
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