CN107758493A - A kind of self-locking safety suspension hook - Google Patents
A kind of self-locking safety suspension hook Download PDFInfo
- Publication number
- CN107758493A CN107758493A CN201710982772.3A CN201710982772A CN107758493A CN 107758493 A CN107758493 A CN 107758493A CN 201710982772 A CN201710982772 A CN 201710982772A CN 107758493 A CN107758493 A CN 107758493A
- Authority
- CN
- China
- Prior art keywords
- self
- hook body
- suspension hook
- rotational cylinder
- locking safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The present invention relates to a kind of self-locking safety suspension hook,It includes fixed plate,The center of the lower surface of fixed plate is fixed with connecting shaft,The lower end of connecting shaft is fixedly connected with anti-rotational cylinder,Spacing rack A is provided with the side of anti-rotational cylinder,What anti-rotational cylinder and connecting shaft were slided is arranged in the chute at hook body top center,Spacing rack B is provided with the medial surface of chute above anti-rotational cylinder,Rotating seat is set around the upper surface connecting shaft of anti-rotational cylinder,The upper surface of rotating seat is fixed with guide rod,In the pilot hole being arranged on spacing ring that the top of guide rod is slided,Compression spring A is arranged between spacing ring and rotating seat around guide rod,The center of anti-rotational cylinder lower surface is fixed with branch free bearing,Push rod is hinged with branch free bearing,The lower end of push rod is hinged with connecting rod,The left end of connecting rod is fixedly connected with pin；Total, the present invention has the advantages of reasonable in design, self-locking effect is good, safe and reliable.
Description
Technical field
The invention belongs to suspension hook technical field, and in particular to a kind of self-locking safety suspension hook.
Background technology
In crane, the mode that generally use suspension hook hooks weight is specifically moved operation, usually, in order to
The convenient weight lifting for carrying out all directions, generally by the gib head of suspension hook be designed as can around the structure that vertical axis rotates freely,
The suspension hook of this structure is during lifting operation, if suspension hook rotates, passes around between suspension hook and arm top block group
Steel wire rope be easy to tussle together, and the weight being lifted also rotates with suspension hook, it is easy to other objects
Collide, so, in order to ensure the security of lifting operation, it is necessary to install locking device on crane hook, to hang
Pretend to carry out suspension hook during industry locked, prevent it from rotating, the spin locking dress installed in existing hook body
Put to generally require and locked by hand by manpower after hook body has hooked weight, and the spin locking and anticreep of suspension hook
Hook device is typically to set independently of each other, and it is relatively low to operate relatively cumbersome and security；Therefore it provides it is a kind of it is reasonable in design,
Can in lifting operation automatically the rotation to hook body and Anti-hook releasing device locked, safe and reliable self-locking
Safety hook is very important.
The content of the invention
It is an object of the invention to overcome the shortcomings of above-mentioned technology, so as to provide, one kind is reasonable in design, can hang
The rotation to hook body and Anti-hook releasing device are locked automatically when pretending industry, safe and reliable self-locking safety is hung
Hook.
The object of the present invention is achieved like this：A kind of self-locking safety suspension hook, it includes lifting yoke plate, and described two hang
Trunnion axis is provided between dress yoke plate, assembly pulley is provided with described trunnion axis, described two lift assembly pulley between yoke plates
Lower section be provided with crossbeam, described crossbeam central slide is provided with sliding axle, and the top of described sliding axle is fixed limited
Position plate, is provided with compression spring A, the lower end of described sliding axle between the lower surface of described limiting plate and the upper surface of crossbeam
Anti-rotational cylinder is fixedly connected with, limiting tooth, described anti-rotational cylinder are provided with the lateral surface of described anti-rotational cylinder
Lower surface on be connected with hook body, be rotatably connected between described hook body and anti-rotational cylinder, described suspension hook sheet
Fixed plate is provided with close to what the position on top was slided on body, the rotation of described fixed plate is arranged between two lifting yoke plates,
Opening position corresponding to the lower opening side of described hook body upper mounted plate is hinged with pin, and the top of described pin is consolidated
Surely connecting rod is connected with, the top of described connecting rod is hinged on sliding block, and what described sliding block slided is arranged on fixed plate lower surface
Horizontal concrete chute A in, be provided with described fixed plate above horizontal concrete chute A in horizontal concrete chute B, described horizontal concrete chute B
That slides is provided with gag lever post, and the bottom of described gag lever post is fixed on the upper surface of sliding block, the inner side of described hook body
Position on face at bill is provided with guide groove, and that is slided in described guide groove is provided with guide holder, described guiding
The upper surface of seat is fixed with limited post, and compression spring is provided between the bottom face of described guide groove and the bottom face of guide holder
B。
The lower right sides of described limited post use ramp-like structures.
Described guide holder and the cross sectional shape of guide groove are regular polygon structure.
Torsionspring is provided with described connecting rod and the articulated position of hook body.
Slot form between the cross sectional shape of described gag lever post and adjacent two limiting tooth matches.
Described pin and connecting rod integrated setting.
The center of the bottom face of described guide holder is fixed with the pull bar extended on the outside of hook body.
Described compression spring A quantity is distributed no less than 4 and symmetrically and evenly around sliding axle.
Beneficial effects of the present invention：The following table for being connected to anti-rotational cylinder of the upper end rotation of hook body in the present invention
Face, and the upper surface of anti-rotational cylinder is fixedly connected on the lower end of sliding axle, sliding axle can move up and down but not relative to crossbeam
It can rotate freely, hook body can be moved up and down relative to fixed plate, and fixed plate can also be driven same relative to lifting yoke plate
Step rotation, when being hung in hook body without weight, in the presence of compression spring A, hook body position for crossbeam
Extreme position thereon, now, sliding block and gag lever post are respectively positioned at horizontal concrete chute A and horizontal concrete chute B high order end, hook body
Fixed plate can be driven to rotate freely, when lifting rope is hanging in hook body, under the Action of Gravity Field of lifting rope and weight, suspension hook
Body drives anti-rotational cylinder and sliding axle to move down, because the be hinged shaft position of connecting rod and pin in hook body is relative
Moved down in fixed plate, so that sliding block and gag lever post move right along horizontal concrete chute A and horizontal concrete chute B respectively, meanwhile,
Pin and connecting rod turn clockwise around its jointed shaft, until when hook body is located at its lower limit position for crossbeam,
Now, gag lever post is just caught between adjacent two limiting tooth, and the end of pin is placed exactly in limited post and the hook of hook body
Between point, the cooperation of gag lever post and spacing teeth groove can prevent hook body from being rotated during lifting operation, and keep off
Bar can prevent lifting rope from breaking off relations；Total, the present invention has smart structural design, can be in lifting operation automatically to hook body
Rotation and Anti-hook releasing device the advantages of being locked, be safe and reliable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of self-locking safety suspension hook of the present invention.
Fig. 2 is a kind of partial structural diagram of self-locking safety suspension hook of the present invention.
In figure：1st, yoke plate 2, trunnion axis 3, assembly pulley 4, limiting plate 5, sliding axle 6, compression spring A are lifted
7th, anti-rotational cylinder 8, limiting tooth 9, fixed plate 10, hook body 11, pin 12, limited post 13, torsion bullet
Spring 14, connecting rod 15, sliding block 16, horizontal concrete chute A 17, gag lever post 18, horizontal concrete chute B 19, crossbeam 20, guiding
Groove 21, guide holder 22, compression spring B 23, pull bar.
Embodiment
Explanation that the present invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, a kind of self-locking safety suspension hook, it includes lifting yoke plate 1, set between described two lifting yoke plates 1
Trunnion axis 2 is equipped with, is provided with assembly pulley 3 on described trunnion axis 2, the lower section of assembly pulley 3 is set between described two lifting yoke plates 1
Crossbeam 19 is equipped with, the described central slide of crossbeam 19 is provided with sliding axle 5, and limited location is fixed on the top of described sliding axle 5
Plate 4, compression spring A6 is provided between the lower surface of described limiting plate 4 and the upper surface of crossbeam 19, described sliding axle 5
Lower end is fixedly connected with anti-rotational cylinder 7, and limiting tooth 8, described anti-rotation are provided with the lateral surface of described anti-rotational cylinder 7
Hook body 10 is connected with the lower surface of rotary column body 7, is rotatably connected between described hook body 10 and anti-rotational cylinder 7,
Fixed plate 9 is provided with close to what the position on top was slided in described hook body 10, the rotation of described fixed plate 9 is arranged on
Between two lifting yoke plates 1, the opening position corresponding to the lower opening side of the described upper mounted plate 9 of hook body 10 is hinged with pin
11, the top of described pin 11 is fixedly connected with connecting rod 14, and the top of described connecting rod 14 is hinged on sliding block 15, described
What sliding block 15 slided is arranged in the horizontal concrete chute A16 of the lower surface of fixed plate 9, and horizontal concrete chute A16's is upper in described fixed plate 9
Just be provided with the interior slip of horizontal concrete chute B18, described horizontal concrete chute B18 is provided with gag lever post 12, described gag lever post 12
Bottom is fixed on the upper surface of sliding block 15, and the position on the medial surface of described hook body 10 at bill is provided with guiding
Groove 20, the interior slip of described guide groove 20 are provided with guide holder 21, and the upper surface of described guide holder 21 is fixed with limited post
12, it is provided with compression spring B22 between the bottom face of described guide groove 20 and the bottom face of guide holder 21.
The lower surface for being connected to anti-rotational cylinder 7 of the upper end rotation of hook body 10 in the present invention, and anti-rotational cylinder 7
Upper surface be fixedly connected on the lower end of sliding axle 5, sliding axle 5 can be moved up and down relative to crossbeam 19 and can not but rotated freely,
Hook body 10 can move up and down relative to fixed plate 9, can also drive fixed plate 9 relative to lifting the synchronous rotary of yoke plate 1,
When being hung in hook body 10 without weight, in the presence of compression spring A6, the position for crossbeam 19 of hook body 10
Extreme position thereon, now, sliding block 15 and gag lever post 11 are located at horizontal concrete chute A16 and horizontal concrete chute B18 high order end respectively,
Hook body 10 can drive fixed plate 9 to rotate freely, when lifting rope is hanging in hook body 10, in lifting rope and the weight of weight
Under power effect, hook body 10 drives anti-rotational cylinder 7 and sliding axle 5 to move down, because connecting rod 14 and pin 11 are in suspension hook
Be hinged shaft position on body 10 moves down relative to fixed plate 9, so that sliding block 15 and gag lever post 17 are respectively along level
Chute A16 and horizontal concrete chute B18 move right, meanwhile, pin 11 and connecting rod 14 turn clockwise around its jointed shaft, until suspension hook
When body 10 is located at its lower limit position for crossbeam 19, now, gag lever post 17 be just caught in adjacent two limiting tooth 8 it
Between, and the end of pin 11 is placed exactly between limited post 12 and the bill of hook body 10, gag lever post 17 and the teeth groove of limiting tooth 8
Cooperation can prevent hook body 10 from being rotated during lifting operation, and pin 11 can prevent lifting rope from breaking off relations；
It is total, the present invention have smart structural design, can in lifting operation the rotation to hook body and Anti-hook releasing device automatically
The advantages of being locked, be safe and reliable.
Embodiment 2
As depicted in figs. 1 and 2, a kind of self-locking safety suspension hook, it includes lifting yoke plate 1, set between described two lifting yoke plates 1
Trunnion axis 2 is equipped with, is provided with assembly pulley 3 on described trunnion axis 2, the lower section of assembly pulley 3 is set between described two lifting yoke plates 1
Crossbeam 19 is equipped with, the described central slide of crossbeam 19 is provided with sliding axle 5, and limited location is fixed on the top of described sliding axle 5
Plate 4, compression spring A6 is provided between the lower surface of described limiting plate 4 and the upper surface of crossbeam 19, described sliding axle 5
Lower end is fixedly connected with anti-rotational cylinder 7, and limiting tooth 8, described anti-rotation are provided with the lateral surface of described anti-rotational cylinder 7
Hook body 10 is connected with the lower surface of rotary column body 7, is rotatably connected between described hook body 10 and anti-rotational cylinder 7,
Fixed plate 9 is provided with close to what the position on top was slided in described hook body 10, the rotation of described fixed plate 9 is arranged on
Between two lifting yoke plates 1, the opening position corresponding to the lower opening side of the described upper mounted plate 9 of hook body 10 is hinged with pin
11, the top of described pin 11 is fixedly connected with connecting rod 14, and the top of described connecting rod 14 is hinged on sliding block 15, described
What sliding block 15 slided is arranged in the horizontal concrete chute A16 of the lower surface of fixed plate 9, and horizontal concrete chute A16's is upper in described fixed plate 9
Just be provided with the interior slip of horizontal concrete chute B18, described horizontal concrete chute B18 is provided with gag lever post 12, described gag lever post 12
Bottom is fixed on the upper surface of sliding block 15, and the position on the medial surface of described hook body 10 at bill is provided with guiding
Groove 20, the interior slip of described guide groove 20 are provided with guide holder 21, and the upper surface of described guide holder 21 is fixed with limited post
12, compression spring B22, described limited post are provided between the bottom face of described guide groove 20 and the bottom face of guide holder 21
12 lower right sides use ramp-like structures, and the cross sectional shape of described guide holder 21 and guide groove 20 is regular polygon knot
Structure, described connecting rod 14 at the articulated position of hook body 10 with being provided with torsionspring 13, the section of described gag lever post 17
Slot form between shape and adjacent two limiting tooth 8 matches, described pin 11 and the integrated setting of connecting rod 14, described
The center of the bottom face of guide holder 21 is fixed with the pull bar 23 for extending to the outside of hook body 10, described compression spring A6 number
Amount is distributed no less than 4 and symmetrically and evenly around sliding axle 5.
The lower surface for being connected to anti-rotational cylinder 7 of the upper end rotation of hook body 10 in the present invention, and anti-rotational cylinder 7
Upper surface be fixedly connected on the lower end of sliding axle 5, sliding axle 5 can be moved up and down relative to crossbeam 19 and can not but rotated freely,
Hook body 10 can move up and down relative to fixed plate 9, can also drive fixed plate 9 relative to lifting the synchronous rotary of yoke plate 1,
When being hung in hook body 10 without weight, in the presence of compression spring A6, the position for crossbeam 19 of hook body 10
Extreme position thereon, now, sliding block 15 and gag lever post 11 are located at horizontal concrete chute A16 and horizontal concrete chute B18 high order end respectively,
Hook body 10 can drive fixed plate 9 to rotate freely, when lifting rope is hanging in hook body 10, in lifting rope and the weight of weight
Under power effect, hook body 10 drives anti-rotational cylinder 7 and sliding axle 5 to move down, because connecting rod 14 and pin 11 are in suspension hook
Be hinged shaft position on body 10 moves down relative to fixed plate 9, so that sliding block 15 and gag lever post 17 are respectively along level
Chute A16 and horizontal concrete chute B18 move right, meanwhile, pin 11 and connecting rod 14 turn clockwise around its jointed shaft, until suspension hook
When body 10 is located at its lower limit position for crossbeam 19, now, gag lever post 17 be just caught in adjacent two limiting tooth 8 it
Between, and the end of pin 11 is placed exactly between limited post 12 and the bill of hook body 10, gag lever post 17 and the teeth groove of limiting tooth 8
Cooperation can prevent hook body 10 from being rotated during lifting operation, and pin 11 can prevent lifting rope from breaking off relations；
The lower right sides of limited post 12 use ramp-like structures, facilitate pin 11 to be smoothly fastened on the left side of limited post 12；Guide holder
21 and the cross sectional shape of guide groove 20 be regular polygon structure, prevent guide holder 21 from being rotated in guide groove 20；Connecting rod
14, with being provided with torsionspring 13 at the articulated position of hook body 10, are easy to pin 11 to automatically reset；The section of gag lever post 17
Slot form between shape and adjacent two limiting tooth 8 matches, and prevents gag lever post 17 from being slipped between limiting tooth 8；Guide holder 21
The center of bottom face be fixed with the pull bar 23 for extending to the outside of hook body 10, limited post can be released by pulling downward on pull bar 23
The limitation of 12 pairs of pins 11；Total, the present invention has smart structural design, can be in lifting operation automatically to hook body
The advantages of rotation and Anti-hook releasing device are locked, are safe and reliable.
Claims (8)
1. a kind of self-locking safety suspension hook, it includes two pieces of lifting yoke plates be arrangeding in parallel, it is characterised in that：Two described liftings
Trunnion axis is provided between yoke plate, is provided with assembly pulley on described trunnion axis, assembly pulley between described two lifting yoke plates
Lower section is provided with crossbeam, and described crossbeam central slide is provided with sliding axle, and limited location is fixed on the top of described sliding axle
Plate, is provided with compression spring A between the lower surface of described limiting plate and the upper surface of crossbeam, the lower end of described sliding axle is consolidated
Surely anti-rotational cylinder is connected with, limiting tooth is provided with the lateral surface of described anti-rotational cylinder, described anti-rotational cylinder
Hook body is connected with lower surface, is rotatably connected between described hook body and anti-rotational cylinder, described hook body
Upper to be provided with fixed plate close to what the position on top was slided, the rotation of described fixed plate is arranged between two lifting yoke plates, institute
Opening position corresponding to the lower opening side for the hook body upper mounted plate stated is hinged with pin, and the top of described pin is fixed
Connecting rod is connected with, the top of described connecting rod is hinged on sliding block, and what described sliding block slided is arranged on fixed plate lower surface
It is provided with horizontal concrete chute B, described horizontal concrete chute B and slides above horizontal concrete chute A in horizontal concrete chute A, in described fixed plate
Dynamic is provided with gag lever post, and the bottom of described gag lever post is fixed on the upper surface of sliding block, the medial surface of described hook body
The upper position at bill is provided with guide groove, and that is slided in described guide groove is provided with guide holder, described guide holder
Upper surface be fixed with limited post, compression spring B is provided between the bottom face of described guide groove and the bottom face of guide holder.
A kind of 2. self-locking safety suspension hook according to claim 1, it is characterised in that：The lower right sides of described limited post
Using ramp-like structures.
A kind of 3. self-locking safety suspension hook according to claim 1, it is characterised in that：Described guide holder and guide groove
Cross sectional shape is regular polygon structure.
A kind of 4. self-locking safety suspension hook according to claim 1, it is characterised in that：Described connecting rod and hook body
Torsionspring is provided with articulated position.
A kind of 5. self-locking safety suspension hook according to claim 1, it is characterised in that：The cross sectional shape of described gag lever post
Slot form between adjacent two limiting tooth matches.
A kind of 6. self-locking safety suspension hook according to claim 1, it is characterised in that：Described pin and connecting rod integration
Set.
A kind of 7. self-locking safety suspension hook according to claim 1, it is characterised in that：The bottom face of described guide holder
Center is fixed with the pull bar extended on the outside of hook body.
A kind of 8. self-locking safety suspension hook according to claim 1, it is characterised in that：Described compression spring A quantity
Symmetrically and evenly it is distributed no less than 4 and around sliding axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982772.3A CN107758493B (en) | 2017-10-20 | 2017-10-20 | A kind of self-locking safety suspension hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982772.3A CN107758493B (en) | 2017-10-20 | 2017-10-20 | A kind of self-locking safety suspension hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107758493A true CN107758493A (en) | 2018-03-06 |
| CN107758493B CN107758493B (en) | 2019-04-16 |
Family
ID=61268954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710982772.3A Active CN107758493B (en) | 2017-10-20 | 2017-10-20 | A kind of self-locking safety suspension hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107758493B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282538A (en) * | 2019-08-13 | 2019-09-27 | 大同泰瑞集团建设有限公司 | A kind of Portable safety suspension hook |
| CN110642141A (en) * | 2019-08-30 | 2020-01-03 | 上海聚丰热镀锌有限公司 | Safety lifting hook and application method thereof |
| CN114955819A (en) * | 2022-04-20 | 2022-08-30 | 江苏科技大学 | A water elastic stability structure for container ship loop wheel machine |
| CN115321404A (en) * | 2022-08-31 | 2022-11-11 | 安徽省中冶重工机械有限公司 | Universal multifunctional safety pulley special for piling ship |
| CN114955819B (en) * | 2022-04-20 | 2024-10-29 | 江苏科技大学 | Water elasticity stabilizing structure for container ship crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2634402A1 (en) * | 1975-07-31 | 1977-02-10 | Nippon Kijuki Seisakusho Kk | CRANE HOOK DEVICE |
| CN2218170Y (en) * | 1994-11-23 | 1996-01-24 | 钟宗勇 | Hook |
| JPH08108988A (en) * | 1994-10-11 | 1996-04-30 | Kawamura Kogyo Kk | Hoisting accessory block with automatic turning hook |
| CN201670650U (en) * | 2010-05-07 | 2010-12-15 | 江阴真良机械有限公司 | Rotary suspension hook with positioning device |
| CN203359775U (en) * | 2013-07-22 | 2013-12-25 | 中联重科股份有限公司 | Lifting hook and crane using same |
| CN203461688U (en) * | 2013-09-11 | 2014-03-05 | 中联重科股份有限公司 | Lifting hook and crane using same |
| CN205257781U (en) * | 2015-12-16 | 2016-05-25 | 芜湖市特种设备监督检验中心 | Automatic locking device of crane hook |
| CN205772831U (en) * | 2016-05-31 | 2016-12-07 | 宝山钢铁股份有限公司 | A kind of travelling crane hook gib head rotational locking device |
-
2017
- 2017-10-20 CN CN201710982772.3A patent/CN107758493B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2634402A1 (en) * | 1975-07-31 | 1977-02-10 | Nippon Kijuki Seisakusho Kk | CRANE HOOK DEVICE |
| JPH08108988A (en) * | 1994-10-11 | 1996-04-30 | Kawamura Kogyo Kk | Hoisting accessory block with automatic turning hook |
| CN2218170Y (en) * | 1994-11-23 | 1996-01-24 | 钟宗勇 | Hook |
| CN201670650U (en) * | 2010-05-07 | 2010-12-15 | 江阴真良机械有限公司 | Rotary suspension hook with positioning device |
| CN203359775U (en) * | 2013-07-22 | 2013-12-25 | 中联重科股份有限公司 | Lifting hook and crane using same |
| CN203461688U (en) * | 2013-09-11 | 2014-03-05 | 中联重科股份有限公司 | Lifting hook and crane using same |
| CN205257781U (en) * | 2015-12-16 | 2016-05-25 | 芜湖市特种设备监督检验中心 | Automatic locking device of crane hook |
| CN205772831U (en) * | 2016-05-31 | 2016-12-07 | 宝山钢铁股份有限公司 | A kind of travelling crane hook gib head rotational locking device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282538A (en) * | 2019-08-13 | 2019-09-27 | 大同泰瑞集团建设有限公司 | A kind of Portable safety suspension hook |
| CN110642141A (en) * | 2019-08-30 | 2020-01-03 | 上海聚丰热镀锌有限公司 | Safety lifting hook and application method thereof |
| CN110642141B (en) * | 2019-08-30 | 2020-12-25 | 上海聚丰热镀锌有限公司 | Safety lifting hook and application method thereof |
| CN114955819A (en) * | 2022-04-20 | 2022-08-30 | 江苏科技大学 | A water elastic stability structure for container ship loop wheel machine |
| CN114955819B (en) * | 2022-04-20 | 2024-10-29 | 江苏科技大学 | Water elasticity stabilizing structure for container ship crane |
| CN115321404A (en) * | 2022-08-31 | 2022-11-11 | 安徽省中冶重工机械有限公司 | Universal multifunctional safety pulley special for piling ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107758493B (en) | 2019-04-16 |
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