CN110654973B - Automatic unhooking lifting appliance - Google Patents
Automatic unhooking lifting appliance Download PDFInfo
- Publication number
- CN110654973B CN110654973B CN201910895524.4A CN201910895524A CN110654973B CN 110654973 B CN110654973 B CN 110654973B CN 201910895524 A CN201910895524 A CN 201910895524A CN 110654973 B CN110654973 B CN 110654973B
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- CN
- China
- Prior art keywords
- block
- hook
- pull
- support
- shackle
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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
-
- 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
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
- B66C13/44—Electrical transmitters
-
- 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
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to an automatic decoupling lifting device. It includes a bracket. The bracket is longitudinally connected with a pull block, and there are hooks and shackles under the pull block. There is a rope between the hooks and shackles. The bracket contains two longitudinal beams, each with a first transverse brace at the same end. The pull block contains inner and outer blocks, both of which are fixed together with corresponding longitudinal beams on the upper side. There are connecting rods under the longitudinal beam, and the connecting rods are longitudinally distributed with rotating shafts located between the inner and outer blocks. There are hook shafts and buckle shafts between the two ends of the inner and outer blocks. The hook comprises a straight rod section and a U-shaped section integrated with one end. The outer end of the straight rod segment is hinged on the pivot shaft, and the inner end is hinged on the hook shaft. The two ends of the detachable buckle are fixed on the buckle shaft. There is a second cross brace connected between the two connecting rods, and on one side of the second cross brace, there is a push-pull mechanism that drives the connecting rod to extend and retract forward and backward. Using this type of lifting device can improve unloading efficiency and eliminate safety hazards. Suitable for situations such as docks and ports that require the transfer of tonnage packages.
Description
Technical Field
The invention relates to a lifting appliance. In particular to a lifting appliance which is used for simultaneously lifting a plurality of ton bags and can automatically unhook. The device is suitable for occasions such as wharfs and ports, which need to transport ton bags.
Background
At present, lifting devices for transporting goods such as ton bags are mostly arranged on lifting devices in wharfs, ports and the like. The lifting appliance comprises a horizontally arranged bracket, a pull block is longitudinally connected with the bracket, and lifting hooks are connected with the lower sides of the pull blocks. Before hoisting, the rope sleeve on the ton bag is sleeved on the lifting hook by hand. After the ton bag is hung to the unloading position, the rope sleeve on the ton bag is taken down from the hanging hook by hand. Because the rope sleeve on the ton bag is manually taken off from the lifting hook during unloading, the unloading efficiency is low. And because the rope sleeve on the ton bag is manually taken down from the lifting hook, an operator needs to come under the lifting appliance, and potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problem of providing an automatic unhooking lifting appliance. By adopting the lifting appliance, unloading efficiency can be improved, and potential safety hazards can be eliminated.
The above problems to be solved by the present invention are realized by the following technical solutions:
The automatic unhooking lifting appliance comprises a bracket. The support is arranged horizontally, and is longitudinally connected with a pull block, and lifting hooks are arranged below the pull block. The method is characterized in that: the lower side of the pull block is also provided with a shackle, and a tether is arranged between a lifting hook and the shackle on the same pull block. The rope rings are arranged at the two ends of the tether, and one end of the tether passes through the shackle and then is folded in half so that the rope rings at the two ends are sleeved on the lifting hook together. The support comprises two longitudinal beams which are parallel to each other, and a first transverse strut is arranged between the same ends of the two longitudinal beams. Two corresponding rope seats are arranged on the upper sides of the longitudinal beams, and steel wire ropes are arranged between the rope seats. The two longitudinal beams are provided with the same number of corresponding pull blocks. The pull block comprises an inner block and an outer block, and the upper edges of the inner block and the outer block are fixed together with the corresponding longitudinal beam; connecting rods are arranged below the longitudinal beams, rotating shafts are uniformly distributed in the longitudinal direction of the connecting rods, the number of the rotating shafts is equal to that of the pulling blocks, and the rotating shafts are respectively positioned between the inner block and the outer block of the corresponding pulling block; a hook shaft and a buckling shaft are respectively arranged between the two ends of the lower edge of the inner block and the outer block. The lifting hook comprises a straight rod section, a U-shaped section connected with the straight rod section into a whole is arranged at the lower end of the straight rod section, and the straight rod section is perpendicular to the vertical part of the U-shaped section. The outer end of the straight rod section is hinged on the rotating shaft, the inner end of the straight rod section is movably hinged on the hook shaft, and the hook openings of the hooks face to one side far away from the shackle. The shackle is U-shaped, and two ends of the shackle are fixed on the buckling shaft. A second cross brace is connected between the two connecting rods, and a push-pull mechanism for driving the connecting rods to stretch back and forth is arranged on one side of the second cross brace.
Two longitudinal beams on one side of the push-pull mechanism are connected with two third transverse struts, vertical rods are arranged below two ends of the two third transverse struts, the upper ends of the vertical rods are connected with the third transverse struts respectively, a platform is connected between the lower ends of the vertical rods, and a controller is arranged on the platform. The push-pull mechanism is an electro-hydraulic push rod, and two ends of the push-pull mechanism are respectively hinged with adjacent edges of the second cross brace and the platform. The electrohydraulic push rod is connected with the controller by a wire.
According to a further improvement scheme of the invention, guard plates are arranged on two sides of the third transverse support adjacent to the push-pull mechanism, the inner sides of the two guard plates are respectively hinged to the third transverse support by virtue of hinges, and handles are arranged on the outer sides of the two guard plates.
According to a further improvement scheme of the invention, supporting rods are arranged below two ends of the first transverse support, the lengths of the four supporting rods are the same, and the upper ends of the four supporting rods are welded with the corresponding first transverse support.
According to a further improvement scheme, buffer cushion blocks are arranged at two ends of the longitudinal beam. The buffer cushion block is a rubber block.
According to the scheme, as the shackle is arranged below the pull block, a tether is arranged between the lifting hook and the shackle on the same pull block. The rope rings are arranged at the two ends of the tether, and one end of the tether passes through the shackle and then is folded in half so that the rope rings at the two ends are sleeved on the lifting hook together. The support comprises two longitudinal beams which are parallel to each other, and a first transverse strut is arranged between the same ends of the two longitudinal beams. Two corresponding rope seats are arranged on the upper sides of the longitudinal beams, and steel wire ropes are arranged between the rope seats. The two longitudinal beams are provided with the same number of corresponding pull blocks. The pull block comprises an inner block and an outer block, and the upper edges of the inner block and the outer block are fixed together with the corresponding longitudinal beams. Connecting rods are arranged below the longitudinal beams, rotating shafts are arranged on the connecting rods, the number of the rotating shafts is equal to that of the pulling blocks, and the rotating shafts are respectively positioned between the inner block and the outer block of the corresponding pulling block. A hook shaft and a buckling shaft are respectively arranged between the two ends of the lower edge of the inner block and the outer block. The lifting hook comprises a straight rod section, a U-shaped section connected with the straight rod section into a whole is arranged at the lower end of the straight rod section, and the straight rod section is perpendicular to the vertical part of the U-shaped section. The outer end of the straight rod section is hinged on the rotating shaft, the inner end of the straight rod section is movably hinged on the hook shaft, and the hook openings of the hooks face to one side far away from the shackle. The shackle is U-shaped, and two ends of the shackle are fixed on the buckling shaft. A second cross brace is connected between the two connecting rods, and a push-pull mechanism for driving the connecting rods to stretch back and forth is arranged on one side of the second cross brace. When loading, one end of the rope is manually folded after passing through the shackle, so that rope rings at two ends of the rope are combined together and sleeved in a U-shaped part of the lifting hook, namely a hook opening, and then the lifting can be carried out. When unloading, the computer in the controller can be given an instruction by means of the remote controller, and then the computer gives an instruction to the push-pull mechanism through the lead and makes the push-pull mechanism move forward along the horizontal direction, so that the lifting hook rotates anticlockwise around the rotating shaft until the rope ring is automatically separated from the U-shaped part of the lifting hook, namely the hook opening, and automatic unhooking is realized. Therefore, during unloading, the rope sleeve on the ton bag can be taken off from the lifting hook without manual operation, so that unloading efficiency is greatly improved. And the rope sleeve on the ton bag can be taken down from the lifting hook without manual work, so that an operator does not need to go below the lifting appliance, and the potential safety hazard is eliminated.
Drawings
FIG. 1 is a schematic view of the structure of an automatic unhooking spreader of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 3;
FIG. 5 is an enlarged view of point I of FIG. 3;
FIG. 6 is a schematic view of an automatic unhooking spreader of the present invention with a ton bag suspended;
fig. 7 is a view showing the state of the hook at the time of unloading.
Detailed Description
As shown in fig. 1 to 5, the automatic unhooking hanger of the invention comprises a bracket. The support is arranged horizontally, a pull block is longitudinally connected with the support, a lifting hook 10 and a shackle 9 are arranged below the pull block, and a tether 25 is arranged between the lifting hook 10 and the shackle 9 on the same pull block. Both ends of the tether 25 are connected with rope loops, and one end of the tether passes through the shackle 9 and then is folded in half so that the rope loops at both ends are sleeved on the lifting hook 10.
The bracket comprises two longitudinal beams 4 which are identical in length and parallel to each other, and a first transverse strut 16 is arranged between the same ends of the two longitudinal beams 4. The first cross brace 16 is perpendicular to the longitudinal beam, and two ends of the first cross brace are welded with the longitudinal beam 4 respectively. Two corresponding rope seats 6 are welded on the upper sides of the longitudinal beams 4, and steel wire ropes 7 are connected between the rope seats 6. Six mutually corresponding pull blocks are connected with the longitudinal directions of the two longitudinal beams 4. The pull block comprises an inner block 15 and an outer block 3, and the upper edges of the inner block and the outer block are fixed together with the corresponding longitudinal beam 4 by two bolts 2. The connecting rods 5 are arranged below the longitudinal beams 4, six rotating shafts 23 are uniformly fixed in the longitudinal direction of the connecting rods 5, and the six rotating shafts 23 are respectively positioned between the inner blocks 15 and the outer blocks 3 of the corresponding pull blocks. A hook shaft 12 and a buckling shaft 11 are respectively connected between the two ends of the lower sides of the inner block 15 and the outer block 3.
Referring to fig. 5 and 7, the hook 10 includes a straight rod section, a U-shaped section integrally connected with the lower end of the straight rod section, and the straight rod section is perpendicular to the vertical portion of the U-shaped section. The outer end of the straight rod section is hinged on the rotating shaft 23, the inner end of the straight rod section is movably hinged on the hook shaft 12, and the hook openings of the hooks 10 face to one side far away from the shackle 9. The shackle 9 is U-shaped, and both ends of the shackle are fixed on a shackle shaft 11. A second cross brace 24 is arranged between the two connecting rods 5, and two ends of the second cross brace 24 are respectively welded with the welding connecting rods 5. One side of the second cross brace 24 is provided with a push-pull mechanism 18 for driving the connecting rod 5 to stretch back and forth.
In order to facilitate the installation of the controller 19, two third cross braces 20 are arranged between the two longitudinal beams 4 on one side of the push-pull mechanism 18, and vertical rods 21 are arranged below two ends of the two third cross braces 20. The upper ends of the vertical rods 21 are respectively welded with the third transverse struts 2, a platform 22 is connected between the lower ends of the vertical rods, and the controller 19 is arranged on the platform 22. The push-pull mechanism 18 is an electro-hydraulic push rod, and two ends of the push-pull mechanism are respectively hinged with adjacent edges of the second cross brace 17 and the platform 22. The electro-hydraulic push rod is connected with a controller 19 by a wire.
Guard plates 17 are arranged on two sides of the third transverse support 20 adjacent to the push-pull mechanism 18, the inner sides of the two guard plates 17 are hinged to two sides of the upper surface of the third transverse support 20 respectively through hinges 13, and handles 14 are arranged on the outer sides of the two guard plates 17.
To facilitate parking when the ton bag 26 is not lifted, support bars 8 are arranged below both ends of the first cross braces 16, the four support bars 8 are the same length, and their upper ends are welded with the corresponding first cross braces 16.
For safety, two ends of the longitudinal beam 4 are connected with buffer cushion blocks 1. The cushion block 1 is a rubber block.
As shown in fig. 6 and 7, during loading, one end of the tether 25 is folded in half after passing through the shackle 9 by manual operation, so that the rope loops at both ends of the tether 25 are combined together and sleeved in the U-shaped part of the lifting hook 10, namely the hook mouth, and the ton bag 26 can be lifted. During unloading, a command can be given to a computer in the controller 19 by means of an additional remote controller, and then the computer gives a command to the push-pull mechanism 18 through a wire and enables the push-pull mechanism to move forward in the horizontal direction, so that the lifting hook 10 rotates anticlockwise around the rotating shaft 23 until the rope loop of the tether 25 is automatically separated from the U-shaped part of the lifting hook 10, namely a hook opening, so that automatic unhooking of the tether 25 and the ton bag 26 is realized.
Claims (6)
1. The automatic unhooking lifting appliance comprises a support, wherein the support is horizontally arranged, a pull block is longitudinally connected with the support, and lifting hooks (10) are arranged below the pull block; the method is characterized in that: the lower side of the pulling block is also provided with a shackle (9), and a tether (25) is arranged between a lifting hook (10) and the shackle (9) on the same pulling block; both ends of the tether (25) are respectively provided with a rope loop, one end of the tether passes through the shackle (9) and then is folded in half so that the rope loops at both ends are sleeved on the lifting hook (10) together; the bracket comprises two longitudinal beams (4) which are parallel to each other, and a first transverse brace (16) is arranged between the same ends of the two longitudinal beams (4); two corresponding rope seats (6) are arranged on the upper sides of the longitudinal beams (4), and steel wire ropes (7) are arranged between the rope seats (6); the two longitudinal beams (4) are provided with pull blocks with the same number and corresponding to each other; the pull block comprises an inner block (15) and an outer block (3), and the upper edges of the inner block and the outer block are fixed together with the corresponding longitudinal beam (4); connecting rods (5) are arranged below the longitudinal beams (4), rotating shafts (23) are uniformly distributed in the longitudinal direction of the connecting rods (5), the number of the rotating shafts (23) is equal to that of the pulling blocks, and the rotating shafts are respectively positioned between the inner block and the outer block of the corresponding pulling block; a hook shaft (12) and a buckling shaft (11) are respectively arranged between the two ends of the lower edge of the inner block and the outer block; the lifting hook (10) comprises a straight rod section, a U-shaped section connected with the straight rod section into a whole is arranged at the lower end of the straight rod section, and the straight rod section is perpendicular to the vertical part of the U-shaped section; the outer end of the straight rod section is hinged on the rotating shaft (23), the inner end of the straight rod section is movably hinged on the hook shaft (12), and the hook openings of the hooks (10) face to one side far away from the shackle (9); the shackle (9) is U-shaped, and two ends of the shackle are fixed on the buckling shaft (11); a second transverse support (24) is connected between the two connecting rods (5), and a push-pull mechanism (18) for driving the connecting rods (5) to stretch back and forth is arranged on one side of the second transverse support (24).
2. The automatic unhooking spreader of claim 1, wherein: two longitudinal beams (4) at one side of the push-pull mechanism (18) are connected with two third transverse struts (20), vertical rods (21) are arranged below two ends of the two third transverse struts (20), the upper ends of the vertical rods (21) are respectively connected with the third transverse struts (20), a platform (22) is connected between the lower ends of the vertical rods, and a controller (19) is arranged on the platform (22); the push-pull mechanism (18) is an electrohydraulic push rod, and two ends of the push-pull mechanism are respectively hinged with adjacent edges of the second transverse support (24) and the platform (22); the electrohydraulic push rod is connected with a controller (19) by a wire.
3. The automatic unhooking spreader of claim 2, wherein: guard plates (17) are arranged on two sides of the third transverse support (20) adjacent to the push-pull mechanism (18), the inner sides of the two guard plates (17) are respectively hinged to the third transverse support (20) by means of hinges (13), and handles (14) are arranged on the outer sides of the two guard plates (17).
4. The automatic unhooking spreader of claim 1, wherein: the support rods (8) are arranged below the two ends of the first transverse support (16), the lengths of the four support rods (8) are the same, and the upper ends of the four support rods are welded with the corresponding first transverse support (16).
5. The automatic unhooking spreader according to any one of claims 1-4, wherein: both ends of the longitudinal beam (4) are provided with buffer cushion blocks (1).
6. The automatic unhooking spreader of claim 5, wherein: the buffer cushion block (1) is a rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895524.4A CN110654973B (en) | 2019-09-27 | 2019-09-27 | Automatic unhooking lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895524.4A CN110654973B (en) | 2019-09-27 | 2019-09-27 | Automatic unhooking lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110654973A CN110654973A (en) | 2020-01-07 |
| CN110654973B true CN110654973B (en) | 2024-08-30 |
Family
ID=69037549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910895524.4A Active CN110654973B (en) | 2019-09-27 | 2019-09-27 | Automatic unhooking lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110654973B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI773323B (en) * | 2021-05-17 | 2022-08-01 | 楊清標 | Crane with automatic decoupling |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211078182U (en) * | 2019-09-27 | 2020-07-24 | 无锡松邦科技有限公司 | Automatic unhooking hanger |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201864464U (en) * | 2010-11-05 | 2011-06-15 | 无锡市新华起重工具有限公司 | Lifting hook capable of unhooking automatically |
| JP5656814B2 (en) * | 2011-12-20 | 2015-01-21 | エバラ機工株式会社 | Hook structure with automatic escape mechanism |
| CN204549823U (en) * | 2015-03-24 | 2015-08-12 | 镇江港务集团有限公司 | A kind of automatic decoupling device |
| CN204873405U (en) * | 2015-08-17 | 2015-12-16 | 林成富 | Gallows with electronic knock off joint |
| CN106829731B (en) * | 2015-12-04 | 2018-05-25 | 中国科学院沈阳自动化研究所 | A kind of automatic decoupling device |
| CN207645627U (en) * | 2017-11-30 | 2018-07-24 | 纽科伦（新乡）起重机有限公司 | A kind of crane automatic decoupling device |
-
2019
- 2019-09-27 CN CN201910895524.4A patent/CN110654973B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211078182U (en) * | 2019-09-27 | 2020-07-24 | 无锡松邦科技有限公司 | Automatic unhooking hanger |
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| CN110654973A (en) | 2020-01-07 |
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