CN104760881A - Automatic unhooking device - Google Patents
Automatic unhooking device Download PDFInfo
- Publication number
- CN104760881A CN104760881A CN201510132096.1A CN201510132096A CN104760881A CN 104760881 A CN104760881 A CN 104760881A CN 201510132096 A CN201510132096 A CN 201510132096A CN 104760881 A CN104760881 A CN 104760881A
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- China
- Prior art keywords
- main body
- piston
- connecting panel
- fixedly connected
- cylinder body
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to an automatic unhooking device. The automatic unhooking device comprises a rod-end knuckle bearing, a lengthening device, a tension protective device, a self-locking mechanism, a suspending main body, a lifting hook and a counterweight, wherein the rod-end knuckle bearing, the lengthening device, the tension protective device, the suspending main body and the lifting hook are connected in sequence from top to bottom; the lifting hook is fixedly connected under a rotary disc; the rotary disc is movably connected at the lower end of the suspending main body by a first pin shaft; a counterweight block is fixedly connected at the side-upper part of the rotary disc by a connecting rod; and the connecting rod is connected with the suspending main body by the self-locking mechanism. The automatic unhooking device has the advantages that the automatic dropping of the lifting hook is used for replacing manual unhooking, so that the effects of reducing the operation risk and improving the working efficiency are achieved.
Description
Technical field
The present invention relates to a kind of hanging device, particularly a kind of automatic decoupling device.
Background technology
General load hook and the hanging device such as hoisting crane, driving support the use, and are commonly used in the place of the handling goods such as each Port, harbour and handling service company.When handling goods, need manually break off relations, if encounter in high-altitude, the local unloading such as high temperature, high pressure, that just can not normal operation.In order to address this problem, must carry out on conventional load hook technological improvement come with general load hook with the use of, realize automatically-unhooked This move.And sometimes owing to needing the goods sling overweight; what exceeded lifting machine and automatic decoupling device bears the limit; if now continue lifting goods, be easy to the damage causing lifting machine and automatic decoupling device; and also can cause potential safety hazard to surrounding environment, so design a kind of automatic decoupling device with self-protection function just seem particularly important.
Summary of the invention
The technical issues that need to address of the present invention are by making suspension hook Automatic-falling replace artificial unhook, serve the effect reducing operating risk and increase work efficiency; A kind of automatic decoupling device is provided.
For solving above-mentioned technical matters; structure of the present invention comprises spherical plain bearing rod end, extending device, pulling force fender guard, self-locking mechanism, suspention main body, suspension hook and counterweight; described spherical plain bearing rod end, extending device, pulling force fender guard, suspention main body are connected from top to bottom successively with suspension hook; described suspension hook is fixedly connected on the below of rotating disk; described rotating disk is movably connected in the lower end of suspention main body by the first bearing pin; described clump weight is fixedly connected on above the side of rotating disk by connecting rod, and described connecting rod is connected with suspention main body by self-locking mechanism.
Further: described self-locking mechanism comprises the first connecting panel, is arranged on the locking station of suspention body surfaces, spherical dop and semisphere draw-in groove, described semisphere draw-in groove is arranged on the center of locking station, described spherical dop is arranged on the first connecting panel, the first described connecting panel is fixedly connected on connecting rod, and the first described connecting panel is movably connected in the semisphere draw-in groove on locking station by spherical dop.
Further again: described extending device comprises screw rod, nut, cannulated sleeve; the upper end of described screw rod is connected with spherical plain bearing rod end; the lower end of described cannulated sleeve is fixedly connected on pulling force fender guard; the upper end of described cannulated sleeve offers tapped bore; the lower end of described screw rod is movably connected in cannulated sleeve through tapped bore, and described nut is movably connected on the screw rod between cannulated sleeve and spherical plain bearing rod end.
Further again: described pulling force fender guard comprises semi-enclosed support, cylinder body, piston, first spring and the second connecting panel, described semi-enclosed support opening down, described cylinder body is positioned at semi-enclosed support, the both sides of described semi-enclosed support are movably connected in the both sides of cylinder body lower end respectively by the second bearing pin, the rectangular triangle in one end of second bearing pin in described cylinder body, described piston is connected to the upper end of cylinder body by the first spring, the upper end of described second connecting panel is fixedly connected on the bottom of piston, the lower end of described second connecting panel is fixedly connected with suspention main body through cylinder body, the both sides of described piston are respectively provided with an ejecting mechanism relative to the position of the second bearing pin.
Further again: described ejecting mechanism comprises the guide groove, slide block and the second spring that are horizontally set on piston both sides, and described slide block is movably connected in guide groove, described slide block is connected with piston by the second spring.
Further again: between the second described bearing pin and semi-enclosed support, to be provided with wear-resistant guiding cover.
After adopting said structure, the present invention replaces artificial unhook by making suspension hook Automatic-falling, serves the effect reducing operating risk and increase work efficiency; And can its connecting length of manual regulation, add its Practical Performance; And when the goods needing to sling is overweight, pulling force fender guard then can start voluntarily, stops the lifting to goods, lifting machine and automatic decoupling device is played to the function of self-protection.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of initial condition of the present invention when not stressing.
Fig. 2 is the structural representation of the present invention when suspending in midair.
Fig. 3 be of the present invention automatically-unhooked after structural representation.
Fig. 4 is the structural representation of extending device.
Fig. 5 is the structural representation of pulling force fender guard.
Fig. 6 is the enlarged drawing of A in Fig. 5.
Detailed description of the invention
As Fig. 1, a kind of automatic decoupling device shown in Fig. 2 and Fig. 3, comprise spherical plain bearing rod end 1, extending device 2, pulling force fender guard 3, self-locking mechanism, suspention main body 4, suspension hook 5 and clump weight 7, described spherical plain bearing rod end 1, extending device 2, pulling force fender guard 3, suspention main body 4 is connected from top to bottom successively with suspension hook 5, described suspension hook 5 is fixedly connected on the below of rotating disk 6, described rotating disk 6 is movably connected in the lower end of suspention main body 4 by the first bearing pin 9, described clump weight 7 is fixedly connected on above the side of rotating disk 6 by connecting rod 8, described connecting rod 8 is connected with suspention main body 4 by self-locking mechanism.Before lifting, spherical plain bearing rod end 1 is connected with lifting machine, and regulate extending device 2 that suspension hook 5 can be normally connected with goods according to the connection location of reality, then start lifting machine to be sling by suspension hook 5 pairs of goods, when suspension hook 5 is not stressed, self-locking mechanism belongs to locking state, after suspension hook 5 is progressively stressed, suspension hook 5 can rotate counterclockwise around the first bearing pin 9 with rotating disk 6, rotating disk 6 also can rotate counterclockwise with connecting rod 8, utilize connecting rod 8 to open self-locking mechanism, after goods put putting in place, now suspension hook 5 is no longer stressed, and because self-locking mechanism is opened, now connecting rod 8 can continue to rotate counterclockwise under the drive of clump weight 7, suspension hook 5 is also rotated counterclockwise under the drive of rotating disk 6, thus suspension hook 5 and goods are automatically disengaged.The design replaces artificial unhook by making suspension hook 5 Automatic-falling, serves the effect reducing operating risk and increase work efficiency; And can its connecting length of manual regulation, add its Practical Performance; And when the goods needing to sling is overweight, pulling force fender guard then can start voluntarily, stops the lifting to goods, lifting machine and automatic decoupling device is played to the function of self-protection.
Self-locking mechanism as shown in Figure 1, Figure 2 and Figure 3 comprises the first connecting panel 10, is arranged on the locking station 12 on suspention main body 4 surface, spherical dop 11 and semisphere draw-in groove 13, described semisphere draw-in groove 13 is arranged on the center of locking station 12, described spherical dop 11 is arranged on the first connecting panel 10, the first described connecting panel 10 is fixedly connected on connecting rod 8, and the first described connecting panel 10 is movably connected in the semisphere draw-in groove 13 on locking station 12 by spherical dop 11.When initial condition suspension hook 5 does not stress, now spherical dop 11 is stuck in semisphere draw-in groove 13, connecting rod 8 can not be moved under the effect of the first connecting panel 10, after suspension hook 5 is progressively stressed, suspension hook 5 can rotate counterclockwise around the first bearing pin 9 with rotating disk 6, rotating disk 6 also can rotate counterclockwise with connecting rod 8, connecting rod 8 is utilized to pull the first connecting panel 10, spherical dop 11 is run out of in semisphere draw-in groove 13, after goods put putting in place, now suspension hook 5 is no longer stressed, and because spherical dop 11 is run out of in semisphere draw-in groove 13, now connecting rod 8 can continue to rotate counterclockwise under the drive of clump weight 7, suspension hook 5 is also rotated counterclockwise under the drive of rotating disk 6, thus suspension hook 5 and goods are automatically disengaged.The design replaces artificial unhook by making suspension hook Automatic-falling, serves the effect reducing operating risk and increase work efficiency.
Extending device 2 as shown in Figure 4 comprises screw rod 14, nut 16, cannulated sleeve 15; the upper end of described screw rod 14 is connected with spherical plain bearing rod end 1; the lower end of described cannulated sleeve 15 is fixedly connected on pulling force fender guard 3; the upper end of described cannulated sleeve 15 offers tapped bore; the lower end of described screw rod 14 is movably connected in cannulated sleeve 15 through tapped bore, and described nut 16 is movably connected on the screw rod 14 between cannulated sleeve 15 and spherical plain bearing rod end 1.When needing to regulate the connecting length of automatic decoupling device, contrarotation nut 16 makes it be separated with cannulated sleeve 15, then rotating screw bolt 14 regulates it to stretch into length in cannulated sleeve 15, the design stretches into cannulated sleeve 15 connecting length of length to automatic decoupling device by changing screw rod 14 regulates, after length adjustment, rotating forward nut 16 makes it contact with cannulated sleeve 15, thus completes fixing connecting length.The design can the connecting length of manual regulation automatic decoupling device, adds its Practical Performance.
Pulling force fender guard 3 as shown in Figure 5 comprises semi-enclosed support 26, cylinder body 17, piston 18, first spring 19 and the second connecting panel 22, described semi-enclosed support 26 opening down, described cylinder body 17 is positioned at semi-enclosed support 26, the both sides of described semi-enclosed support 26 are movably connected in the both sides of cylinder body 17 lower end respectively by the second bearing pin 20, the rectangular triangle in one end of the second bearing pin 20 in described cylinder body 17, described piston 18 is connected to the upper end of cylinder body 17 by the first spring 19, the upper end of described second connecting panel 22 is fixedly connected on the bottom of piston 18, the lower end of described second connecting panel 22 is fixedly connected with suspention main body 4 through cylinder body 17, the both sides of described piston 18 lower end are respectively provided with an ejecting mechanism relative to the position of the second bearing pin 20, be provided with wear-resistant guiding between the second described bearing pin 20 and semi-enclosed support 26 and overlap 21, described semi-enclosed support 2 is fixedly connected with cannulated sleeve 15.In lifting process, suspention main body 4 can pull piston 18 by the second connecting panel 22, make piston 18 haul the first spring 19 to move downward, when the goods lifted by crane exceedes the limit of lifting machine and automatic decoupling device, now piston 18 can extrude the second bearing pin 20 downwards, due to the rectangular triangle in one end of the second bearing pin 20 in cylinder body 17, the second bearing pin 20 outwards slides so can overlap 21 along wear-resistant guiding when being subject to the extruding of piston 18, when piston 18 move to cylinder body 17 bottom time, ejecting mechanism then can start voluntarily and pushes the second bearing pin 20 and continue outside motion, until itself and cylinder body 17 are separated, cylinder body 17 and semi-enclosed support 26 are separated, thus make to be separated with goods and lifting machine, lifting machine and automatic decoupling device are played to the function of self-protection, prevent the damage causing self structure owing to being subject to excessive pulling force.
Ejecting mechanism as shown in Figure 6 comprises the guide groove 25, slide block 24 and the second spring 23 that are horizontally set on both sides, piston 18 lower end, and described slide block 24 is movably connected in guide groove 25, and described slide block 24 is connected with piston 18 by the second spring 23.When move to when piston 18 cylinder body 17 bottom time; now guide groove 25 and the second bearing pin 20 align; slide block 24 outwards can slide along guide groove 25 under the effect of the second spring 23; slide block 24 is made to push the second bearing pin 20 until itself and cylinder body 17 are separated; thus cylinder body 17 and semi-enclosed support 26 are separated; lifting machine and automatic decoupling device are played to the function of self-protection, prevent the damage causing self structure owing to being subject to excessive pulling force.
Claims (6)
1. an automatic decoupling device, it is characterized in that: comprise spherical plain bearing rod end (1), extending device (2), pulling force fender guard (3), self-locking mechanism, suspention main body (4), suspension hook (5) and clump weight (7), described spherical plain bearing rod end (1), extending device (2), pulling force fender guard (3), suspention main body (4) is connected from top to bottom successively with suspension hook (5), described suspension hook (5) is fixedly connected on the below of rotating disk (6), described rotating disk (6) is movably connected in the lower end of suspention main body (4) by the first bearing pin (9), described clump weight (7) is fixedly connected on above the side of rotating disk (6) by connecting rod (8), described connecting rod (8) is connected with suspention main body (4) by self-locking mechanism.
2. a kind of automatic decoupling device according to claim 1, it is characterized in that: described self-locking mechanism comprises the first connecting panel (10), be arranged on the locking station (12) on suspention main body (4) surface, spherical dop (11) and semisphere draw-in groove (13), described semisphere draw-in groove (13) is arranged on the center of locking station (12), described spherical dop (11) is arranged on the first connecting panel (10), described the first connecting panel (10) is fixedly connected on connecting rod (8), described the first connecting panel (10) is movably connected in the semisphere draw-in groove (13) in locking station (12) by spherical dop (11).
3. a kind of automatic decoupling device according to claim 1, it is characterized in that: described extending device (2) comprises screw rod (14), nut (16), cannulated sleeve (15), the upper end of described screw rod (14) is connected with spherical plain bearing rod end (1), the lower end of described cannulated sleeve (15) is fixedly connected on pulling force fender guard (3), the upper end of described cannulated sleeve (15) offers tapped bore, the lower end of described screw rod (14) is movably connected in cannulated sleeve (15) through tapped bore, described nut (16) is movably connected on the screw rod (14) between cannulated sleeve (15) and spherical plain bearing rod end (1).
4. a kind of automatic decoupling device according to claim 1, it is characterized in that: described pulling force fender guard (3) comprises semi-enclosed support (26), cylinder body (17), piston (18), first spring (19) and the second connecting panel (22), described semi-enclosed support (26) opening down, described cylinder body (17) is positioned at semi-enclosed support (26), the both sides of described semi-enclosed support (26) are movably connected in the both sides of cylinder body (17) lower end respectively by the second bearing pin (20), the rectangular triangle in one end of the second bearing pin (20) in described cylinder body (17), described piston (18) is connected to the upper end of cylinder body (17) by the first spring (19), the upper end of described second connecting panel (22) is fixedly connected on the bottom of piston (18), the lower end of described second connecting panel (22) is fixedly connected with suspention main body (4) through cylinder body (17), the both sides of described piston (18) lower end are respectively provided with an ejecting mechanism relative to the position of the second bearing pin (20).
5. a kind of automatic decoupling device according to claim 4, it is characterized in that: described ejecting mechanism comprises the guide groove (25), slide block (24) and the second spring (23) that are horizontally set on piston (18) both sides, lower end, described slide block (24) is movably connected in guide groove (25), and described slide block (24) is connected with piston (18) by the second spring (23).
6. a kind of automatic decoupling device according to claim 4, is characterized in that: be provided with wear-resistant guiding cover (21) between described the second bearing pin (20) and semi-enclosed support (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132096.1A CN104760881B (en) | 2015-03-24 | 2015-03-24 | A kind of automatic decoupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132096.1A CN104760881B (en) | 2015-03-24 | 2015-03-24 | A kind of automatic decoupling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104760881A true CN104760881A (en) | 2015-07-08 |
| CN104760881B CN104760881B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510132096.1A Active CN104760881B (en) | 2015-03-24 | 2015-03-24 | A kind of automatic decoupling device |
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| Country | Link |
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| CN (1) | CN104760881B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174036A (en) * | 2015-09-30 | 2015-12-23 | 张家港市海星集装箱制造有限公司 | Quick release device for vertical impact test of container |
| CN108725111A (en) * | 2018-04-13 | 2018-11-02 | 无锡市东鹏金属制品有限公司 | A kind of truck trailer hook stainless cast steel part |
| CN113697657A (en) * | 2021-09-16 | 2021-11-26 | 中冶宝钢技术服务有限公司 | Special lifting appliance for lifting bottom opening material box and lifting method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1079594A1 (en) * | 1982-09-27 | 1984-03-15 | Львовский Филиал Проектно-Конструкторского Технологического Института Министерства Лесной И Деревообрабатывающей Промышленности | Self-releasing hook |
| JPH01271394A (en) * | 1988-04-21 | 1989-10-30 | Fuji Seisakusho:Kk | Overload warning device for winch or the like |
| CN101323414A (en) * | 2008-07-17 | 2008-12-17 | 常熟市海鸥机械有限责任公司 | Lifting hook of hoist crane |
| CN201236106Y (en) * | 2008-07-17 | 2009-05-13 | 常熟市海鸥机械有限责任公司 | Lifting hook of hoist crane |
| CN201567152U (en) * | 2009-11-16 | 2010-09-01 | 曹铭 | Automatic decoupling device for hoisting tonnage cargo |
| CN201626769U (en) * | 2010-03-01 | 2010-11-10 | 方锡康 | Locatable counterweight type automatic tripping device |
| CN204569158U (en) * | 2015-04-11 | 2015-08-19 | 苏州神林堂中医药研究所 | A kind of suspension hook |
-
2015
- 2015-03-24 CN CN201510132096.1A patent/CN104760881B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1079594A1 (en) * | 1982-09-27 | 1984-03-15 | Львовский Филиал Проектно-Конструкторского Технологического Института Министерства Лесной И Деревообрабатывающей Промышленности | Self-releasing hook |
| JPH01271394A (en) * | 1988-04-21 | 1989-10-30 | Fuji Seisakusho:Kk | Overload warning device for winch or the like |
| CN101323414A (en) * | 2008-07-17 | 2008-12-17 | 常熟市海鸥机械有限责任公司 | Lifting hook of hoist crane |
| CN201236106Y (en) * | 2008-07-17 | 2009-05-13 | 常熟市海鸥机械有限责任公司 | Lifting hook of hoist crane |
| CN201567152U (en) * | 2009-11-16 | 2010-09-01 | 曹铭 | Automatic decoupling device for hoisting tonnage cargo |
| CN201626769U (en) * | 2010-03-01 | 2010-11-10 | 方锡康 | Locatable counterweight type automatic tripping device |
| CN204569158U (en) * | 2015-04-11 | 2015-08-19 | 苏州神林堂中医药研究所 | A kind of suspension hook |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174036A (en) * | 2015-09-30 | 2015-12-23 | 张家港市海星集装箱制造有限公司 | Quick release device for vertical impact test of container |
| CN108725111A (en) * | 2018-04-13 | 2018-11-02 | 无锡市东鹏金属制品有限公司 | A kind of truck trailer hook stainless cast steel part |
| CN108725111B (en) * | 2018-04-13 | 2023-07-04 | 无锡市东鹏金属制品有限公司 | Stainless steel casting for automobile trailer hook |
| CN113697657A (en) * | 2021-09-16 | 2021-11-26 | 中冶宝钢技术服务有限公司 | Special lifting appliance for lifting bottom opening material box and lifting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104760881B (en) | 2016-08-17 |
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