CN108946433B - Special amplitude changing device for quadrilateral steel plate - Google Patents
Special amplitude changing device for quadrilateral steel plate Download PDFInfo
- Publication number
- CN108946433B CN108946433B CN201810930874.5A CN201810930874A CN108946433B CN 108946433 B CN108946433 B CN 108946433B CN 201810930874 A CN201810930874 A CN 201810930874A CN 108946433 B CN108946433 B CN 108946433B
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- Prior art keywords
- telescopic rod
- rope
- guide ring
- hoisting
- guide
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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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C15/00—Safety gear
Abstract
The invention relates to a special amplitude changing device for a quadrilateral steel plate, and belongs to the field of lifting tools. In particular to a device for hoisting a steel plate in a horizontal state by adopting telescopic rod compensation. The lifting device has the beneficial effects that the manual labor intensity can be reduced, and the lifting amplitude variation of the quadrilateral iron plate can be rapidly completed; the telescopic rod is used for compensating the length of the hoisting rope, so that the steel plate is in a horizontal state during hoisting and is not easy to wind; the arrangement of the guide rings enables the hoisting rope to be more stable in the transmission process, avoids abrasion and strand breakage of the hoisting rope, prolongs the service life of the hoisting rope and eliminates potential safety hazards; the device has good power-off protection and is safer when in use due to the combination of the locking device and the safety lock; the use of a combination of a tension sensor and a signal emitter allows the hoisting rope to be tightened without manual observation.
Description
Technical Field
The invention relates to a special amplitude changing device for a quadrilateral steel plate, in particular to a device for hoisting a steel plate in a horizontal state by adopting telescopic rod compensation, and belongs to the field of hoisting tools.
Background
Generally, industrial and mining enterprises directly use steel wire ropes to hoist thicker steel plates, and quadrilateral steel plates are one of the most common steel plates. In the traditional hoisting method, more than two steel wire ropes pass through the lower surface of a steel plate, and then the ends of the steel wire ropes are tied to a crane hook for hoisting. In the hoisting process, due to the fact that the steel wire ropes are easily wound together due to uneven stress, the steel plates hoisted in the air are not stable, overturning and falling are easy to occur, and great hidden danger is brought to safety. Therefore, there is a need for a lifting device that overcomes the above-mentioned shortcomings, can effectively prevent the quadrilateral steel plate from rotating in the air, and can horizontally and stably lift and transport the steel plate.
Currently, there is no such device available on the market.
Disclosure of Invention
Aiming at the defects, the invention provides a special amplitude variation device for a quadrilateral steel plate.
The invention is realized by the following technical scheme: a special amplitude changing device for quadrilateral steel plates comprises a frame, a first telescopic rod, a second telescopic rod, a third telescopic rod, a fourth telescopic rod, a guide groove frame, a guide groove, a tractor, a rope winding wheel, a locking device, a sliding groove, a first lifting hook, a second lifting hook, a third lifting hook, a fourth lifting hook, a first hoisting rope, a second hoisting rope, a third hoisting rope, a fourth hoisting rope, a pull ring, a first guide ring, a safety lock, a second guide ring, a third guide ring and a controller, wherein the frame comprises a first boss, a second concave block and a third boss, the first boss is provided with hoisting rope holes corresponding to the first hoisting rope and the second hoisting rope, the first boss is provided with telescopic rod mounting lugs corresponding to the first hoisting rope and the second hoisting rope, the first telescopic rod and the second telescopic rod are respectively mounted on the telescopic rod mounting lugs corresponding to the first hoisting rope and the second hoisting rope, the second concave block rope is provided with traction rope holes corresponding to the third traction rope and the fourth traction rope, the second concave block is provided with telescopic rod mounting lugs corresponding to the third traction rope and the fourth traction rope, the third telescopic rod and the fourth telescopic rod are respectively mounted on the telescopic rod mounting lugs corresponding to the third traction rope and the fourth traction rope, one end of the upper surface of the second concave block close to the third lug is provided with a guide groove frame mounting lug, the guide groove frame is mounted and fixed on the guide groove frame mounting lug, the guide groove is mounted and fixed on a guide groove frame, the traction machine and a locking device are both mounted on the third lug, one end of a rope winding wheel is connected to an output shaft of the traction machine, the other end of the rope winding wheel is connected to a locking device, the guide grooves are mounted and fixed on the front and back surfaces of the frame, the first guide ring, the second guide ring and the third guide ring are all four, the first guide ring is mounted at the lower end of the traction rope hole and fixed on the lower surface of the frame, and the safety lock is, the central axis of the brake block coincides with the central axis of the traction rope hole, a brake block bracket is arranged on a frame at the upper end of the traction rope hole, four second guide rings are respectively arranged and fixed at the top ends of a first telescopic rod, a second telescopic rod, a third telescopic rod and a fourth telescopic rod, four third guide rings are respectively and horizontally arranged and fixed on the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod, one end of a first traction rope passes through a guide groove and then is wound on the rope winding wheel, the other end passes through the second guide ring and the third guide ring on the first telescopic rod, the traction rope hole and the first guide ring and then is connected and fixed on a first lifting hook, one end of a second traction rope passes through the guide groove and then is wound on the rope winding wheel, the other end passes through the second guide ring, the third guide ring, the traction rope hole and the first guide ring corresponding to the second telescopic rod and then is connected and fixed on a second lifting hook, one end of the third traction rope passes, the other end passes the second guide ring that passes the third telescopic link correspondence, the third guide ring, tow rope hole and first guide ring after-connection fix on the third lifting hook, the winding is on twining the rope sheave after the guide slot is passed to the one end of fourth towline, the other end passes the second guide ring that passes the fourth telescopic link correspondence, the third guide ring, tow rope hole and first guide ring after-connection fix on the fourth lifting hook, the pull ring installation is fixed on two faces about the frame, the controller installation is fixed on the second concave block, first telescopic link, the second telescopic link, the third telescopic link, the fourth telescopic link, hauler and locking ware all pass through wire and controller electric connection.
Furthermore, the first lifting hook, the second lifting hook, the third lifting hook and the fourth lifting hook are all provided with a tension sensor and a signal transmitter, and the controller is provided with a signal receiver.
Furthermore, the guide groove is provided with four through holes, two ends of each through hole are provided with wire loops, and the first hoisting rope, the second hoisting rope, the third hoisting rope and the fourth hoisting rope respectively penetrate through the four through holes.
Furthermore, the rope winding wheel is provided with a partition plate, and the four hoisting ropes are separated by the partition plate.
Furthermore, the safety lock is electromagnetic, after the safety lock is electrified, the brake block is opened, the upper part of the brake block is thick, the lower part of the brake block is thin, and the diameter of the lower end of the brake block is smaller than that of the traction rope hole.
Furthermore, the first guide ring, the second guide ring and the third guide ring are all ball-type guide rings.
Furthermore, the locking device is an electromagnetic locking device and is locked after power failure.
The lifting device has the beneficial effects that the manual labor intensity can be reduced, and the lifting amplitude variation of the quadrilateral iron plate can be rapidly completed; the telescopic rod is used for compensating the length of the hoisting rope, so that the steel plate is in a horizontal state during hoisting and is not easy to wind; the arrangement of the guide rings enables the hoisting rope to be more stable in the transmission process, avoids abrasion and strand breakage of the hoisting rope, prolongs the service life of the hoisting rope and eliminates potential safety hazards; the device has good power-off protection and is safer when in use due to the combination of the locking device and the safety lock; the combination of the tension sensor and the signal emitter is used, so that the hoisting rope can be tightened without manual observation; the partition board on the rope winding wheel is combined with the guide groove through the holes, so that the hoisting ropes are prevented from being wound with each other, and the safety and the reliability of the work are ensured; the lifting device has the advantages that the lifting process is stable and safe, the whole structure is compact, the operation is convenient, the safety and the rapidness are realized, the working strength of workers is reduced, the personal safety of the workers is ensured, and the lifting amplitude-changing efficiency of the quadrilateral steel plate is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the rack of the present invention.
Fig. 3 is a schematic diagram of the tractor of the invention.
Fig. 4 is a front view of the rack assembly of the present invention.
Fig. 5 is a schematic view of the rack of the present invention in cooperation with a first guide ring.
Fig. 6 is an external view of the frame of the present invention.
Fig. 7 is a schematic view of the second guide ring and the third guide ring of the present invention in cooperation.
Fig. 8 is a top view of the inventive housing.
Fig. 9 is a schematic structural diagram of the safety lock of the present invention.
Fig. 10 is an external view of the safety lock of the present invention.
In the figure, 1, a frame, 2, a first telescopic rod, 3, a second telescopic rod, 4, a third telescopic rod, 5, a fourth telescopic rod, 6, a guide groove frame, 7, a guide groove, 8, a tractor, 9, a rope winding wheel, 10, a locking device, 11, a sliding groove, 12, a first hook, 13, a second hook, 14, a third hook, 15, a fourth hook, 16, a first hoisting rope, 17, a second hoisting rope, 18, a third hoisting rope, 19, a fourth hoisting rope, 20, a pull ring, 21, a first guide ring, 22, a safety lock, 23, a second guide ring, 24, a third guide ring, 25, a controller, 101, a first boss, 102, a second concave block, 103, a third boss, 104, a hoisting rope hole, 105, a telescopic rod mounting lug, 106, a guide groove frame mounting lug, 2201, a brake block, 2202, and a brake block support.
Detailed Description
A special amplitude-changing device for a quadrilateral steel plate comprises a frame 1, a first telescopic rod 2, a second telescopic rod 3, a third telescopic rod 4, a fourth telescopic rod 5, a guide groove frame 6, a guide groove 7, a tractor 8, a rope winding wheel 9, a locking device 10, a chute 11, a first hook 12, a second hook 13, a third hook 14, a fourth hook 15, a first hoisting rope 16, a second hoisting rope 17, a third hoisting rope 18, a fourth hoisting rope 19, a pull ring 20, a first guide ring 21, a safety lock 22, a second guide ring 23, a third guide ring 24 and a controller 25, wherein the frame 1 comprises a first boss 101, a second concave block 102 and a third boss 103, the first boss 101 is provided with a hoisting rope hole 104 corresponding to the first hoisting rope 16 and the second hoisting rope 17, the first boss 101 is provided with a mounting convex block 105 corresponding to the first hoisting rope 16 and the second hoisting rope 17, the first telescopic rod 2 and the second telescopic rod 3 are respectively arranged on telescopic rod mounting lugs 105 corresponding to a first hoisting rope 16 and a second hoisting rope 17, the second concave block 102 is provided with hoisting rope holes 104 corresponding to a third hoisting rope 18 and a fourth hoisting rope 19, the second concave block 102 is provided with telescopic rod mounting lugs 105 corresponding to the third hoisting rope 18 and the fourth hoisting rope 19, the third telescopic rod 4 and the fourth telescopic rod 5 are respectively arranged on the telescopic rod mounting lugs 105 corresponding to the third hoisting rope 18 and the fourth hoisting rope 19, one end of the upper surface of the second concave block 102 close to the third lug 103 is provided with a guide groove frame mounting lug 106, the guide groove frame 6 is fixedly arranged on the guide groove frame mounting lug 106, the guide groove 7 is fixedly arranged on the guide groove frame 6, the hoisting machine 8 and the locking device 10 are both arranged on the third lug 103, one end of the rope winding wheel 9 is connected to an output shaft of the hoisting machine 8, and the other end is connected to the locking device 10, the sliding groove 11 is fixedly arranged on the front surface and the rear surface of the frame 1, four first guide rings 21, four second guide rings 23 and four third guide rings 24 are arranged, the first guide ring 21 is arranged at the lower end of the traction rope hole 104 and fixed on the lower surface of the frame 1, the safety lock 22 is composed of a brake block and a brake block support 2202, the central axis of the brake block 2201 is superposed with the central axis of the traction rope hole 104, the brake block support 2202 is arranged on the frame 1 at the upper end of the traction rope hole 104, the four second guide rings 23 are respectively fixedly arranged on the first telescopic rod 2, the second telescopic rod 3, the top ends of the third telescopic rod 4 and the fourth telescopic rod 5, the four third guide rings 24 are respectively and horizontally fixedly arranged on the first telescopic rod 2, the second telescopic rod 3, the third telescopic rod 4 and the fourth telescopic rod 5, one end of the first traction rope 16 passes through the guide groove 7 and then is wound on the rope winding wheel 9, and the other end passes through the second guide rings 23 and the third guide, A traction rope hole 104 and a first guide ring 21 are connected and fixed on a first lifting hook 12, one end of a second traction rope 17 passes through the guide groove 7 and then is wound on the rope winding wheel 9, the other end passes through a second guide ring 23, a third guide ring 24, a traction rope hole 104 and the first guide ring 21 corresponding to the second telescopic rod 3 and then is connected and fixed on a second lifting hook 13, one end of a third traction rope 18 passes through the guide groove 7 and then is wound on the rope winding wheel 9, the other end passes through a second guide ring 23, a third guide ring 24, a traction rope hole 104 and the first guide ring 21 corresponding to the third telescopic rod 4 and then is connected and fixed on a third lifting hook 14, one end of a fourth traction rope 19 passes through the guide groove 7 and then is wound on the rope winding wheel 9, the other end passes through a second guide ring 23, a third guide ring 24, a traction rope hole 104 and the first guide ring 21 corresponding to fourth telescopic rod 5 and then is connected and fixed on a fourth lifting hook 15, the pull ring 20 is fixedly arranged on the left surface and the right surface of the frame 1, the controller 25 is fixedly arranged on the second concave block 102, and the first telescopic rod 2, the second telescopic rod 3, the third telescopic rod 4, the fourth telescopic rod 5, the traction machine 8 and the locking device 10 are electrically connected with the controller 25 through wires.
Furthermore, the first hook 12, the second hook 13, the third hook 14 and the fourth hook 15 are all provided with a tension sensor and a signal transmitter, and the controller 25 is provided with a signal receiver.
Furthermore, the guide groove 7 is provided with four through holes, two ends of the four through holes are respectively provided with a wire loop, and the first hoisting rope 16, the second hoisting rope 17, the third hoisting rope 18 and the fourth hoisting rope 19 respectively pass through the four through holes.
Furthermore, the rope winding wheel 9 is provided with a partition plate, and the four hoisting ropes are separated by the partition plate.
Furthermore, the safety lock 22 is electromagnetic, and after being electrified, the brake block is opened, the upper part of the brake block is thick, the lower part of the brake block is thin, and the diameter of the lower end of the brake block is smaller than that of the traction rope hole 104.
Further, the first guide ring 21, the second guide ring 23 and the third guide ring 24 are all ball-type guide rings.
Furthermore, the locking device 10 is an electromagnetic locking device 10, and is locked after power failure.
Before the crane is used, the sliding chute 11 is arranged on a sliding rail of a crane, the hauling rope is connected to the front and rear pull rings 20, the controller 25 is electrified, and the hauling rope is in the shortest state; when the device is used, the device is moved right above a steel plate, the controller 25 controls the traction machine 8 to rotate, the locker 10 is electrified and released, the safety lock 22 is electrified and released, the four lifting hooks are slowly lowered, after the four hoisting ropes are lowered to the maximum length, the traction machine 8 stops rotating, the first lifting hook 12, the second lifting hook 13, the third lifting hook 14 and the fourth lifting hook 15 are respectively fixed on the four corners of the steel plate, the tightness degrees of the four hoisting ropes are different, the controller 25 controls the traction machine 8 to rotate reversely, when the inductor on any lifting hook senses that the corresponding hoisting rope is tightened, the signal transmitter on the lifting hook transmits a signal to the controller 25, the controller 25 controls the traction machine 8 to stop rotating, the locker 10 is powered off and locked, at the moment, the telescopic links corresponding to the other three lifting hooks work until the hoisting ropes where the three lifting hooks are located are tightened, the signal transmitter on the telescopic links transmits a signal to the controller 25, at the moment, the controller 25 controls the traction machine 8 to continuously rotate reversely to lift the steel plate, after four corners of the steel plate leave the ground and lift for a certain distance, the locking device 10 is powered off to lock the rope winding wheel 9, the heights of the first telescopic rod 2, the second telescopic rod 3, the third telescopic rod 4 and the fourth telescopic rod 5 are manually adjusted to enable the steel plate to be in a horizontal state, at the moment, the safety lock 22 is powered off to lock the four traction ropes, and the traction ropes drag the device to move, so that the amplitude of the steel plate is changed; after the steel plate reaches the designated position, the controller 25 controls the locking device 10 and the safety lock 22 to be electrified and released, the traction machine 8 rotates to drop the steel plate to the designated position, at the moment, the lifting hook is loosened to release the steel plate, the four telescopic rods are restored to the original positions, the traction machine 8 rotates to retract the traction rope to the shortest position, and then the next transportation amplitude variation work can be carried out.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (6)
1. A special amplitude-changing device for a quadrilateral steel plate comprises a frame, a first telescopic rod, a second telescopic rod, a third telescopic rod, a fourth telescopic rod, a guide groove frame, a guide groove, a tractor, a rope winding wheel, a locking device, a sliding groove, a first lifting hook, a second lifting hook, a third lifting hook, a fourth lifting hook, a first hoisting rope, a second hoisting rope, a third hoisting rope, a fourth hoisting rope, a pull ring, a first guide ring, a safety lock, a second guide ring, a third guide ring and a controller, and is characterized in that the frame comprises a first boss, a second concave block and a third boss, the first boss is provided with hoisting rope holes corresponding to the first hoisting rope and the second hoisting rope, the first boss is provided with telescopic rod mounting lugs corresponding to the first hoisting rope and the second hoisting rope, the first telescopic rod and the second telescopic rod are respectively mounted on the mounting lugs corresponding to the first hoisting rope and the second hoisting rope, the second concave block is provided with traction rope holes corresponding to the third traction rope and the fourth traction rope, the second concave block is provided with telescopic rod mounting lugs corresponding to the third traction rope and the fourth traction rope, the third telescopic rod and the fourth telescopic rod are respectively mounted on the telescopic rod mounting lugs corresponding to the third traction rope and the fourth traction rope, one end of the upper surface of the second concave block close to the third lug is provided with a guide groove frame mounting lug, the guide groove frame is mounted and fixed on the guide groove frame mounting lug, the guide groove is mounted and fixed on a guide groove frame, the traction machine and a locking device are both mounted on the third lug, one end of a rope winding wheel is connected to an output shaft of the traction machine, the other end of the rope winding wheel is connected to a locking device, the guide grooves are mounted and fixed on the front and back surfaces of the frame, the first guide ring, the second guide ring and the third guide ring are all four, the first guide ring is mounted at the lower end of the traction rope hole and fixed on the lower surface of the frame, and the safety lock is composed, the central axis of the brake block coincides with the central axis of the traction rope hole, a brake block bracket is arranged on a frame at the upper end of the traction rope hole, four second guide rings are respectively arranged and fixed at the top ends of a first telescopic rod, a second telescopic rod, a third telescopic rod and a fourth telescopic rod, four third guide rings are respectively and horizontally arranged and fixed on the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod, one end of a first traction rope passes through a guide groove and then is wound on the rope winding wheel, the other end passes through the second guide ring and the third guide ring on the first telescopic rod, the traction rope hole and the first guide ring and then is connected and fixed on a first lifting hook, one end of a second traction rope passes through the guide groove and then is wound on the rope winding wheel, the other end passes through the second guide ring, the third guide ring, the traction rope hole and the first guide ring corresponding to the second telescopic rod and then is connected and fixed on a second lifting hook, one end of the third traction rope passes, the other end of the traction rope penetrates through a second guide ring, a third guide ring, a traction rope hole and a first guide ring corresponding to a third telescopic rod and then is fixedly connected to a third lifting hook, one end of a fourth traction rope penetrates through a guide groove and then is wound on a rope winding wheel, the other end of the traction rope penetrates through the second guide ring, the third guide ring, the traction rope hole and the first guide ring corresponding to the fourth telescopic rod and then is fixedly connected to the fourth lifting hook, pull rings are fixedly installed on the left surface and the right surface of a rack, a controller is fixedly installed on a second concave block, and the first telescopic rod, the second telescopic rod, the third telescopic rod, the fourth telescopic rod, the traction machine and a locking device are electrically connected with the controller through wires;
the telescopic rod is used for compensating the length of the hoisting rope, so that the steel plate is in a horizontal state during hoisting.
2. The special amplitude changing device for the quadrilateral steel plate as claimed in claim 1, wherein the first hook, the second hook, the third hook and the fourth hook are all provided with a tension sensor and a signal transmitter, and the controller is provided with a signal receiver.
3. The special amplitude changing device for the quadrangular steel plate as claimed in claim 1, wherein the guide groove is opened with four through holes, both ends of the four through holes are provided with wire loops, and the first hoist rope, the second hoist rope, the third hoist rope and the fourth hoist rope pass through the four through holes, respectively.
4. The special amplitude changing device for the quadrilateral steel plates as claimed in claim 1, wherein the rope winding wheel is provided with a partition plate, and the four hoisting ropes are separated by the partition plate.
5. The special amplitude variation device for the quadrilateral steel plate as claimed in claim 1, wherein the safety lock is electromagnetic, the brake block is opened after being electrified, the upper part of the brake block is thick, the lower part of the brake block is thin, and the diameter of the lower end of the brake block is smaller than that of the traction rope hole.
6. The special amplitude changing device for the quadrangular steel plate as claimed in claim 1, wherein the first guide ring, the second guide ring and the third guide ring are ball type guide rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930874.5A CN108946433B (en) | 2018-08-15 | 2018-08-15 | Special amplitude changing device for quadrilateral steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930874.5A CN108946433B (en) | 2018-08-15 | 2018-08-15 | Special amplitude changing device for quadrilateral steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108946433A CN108946433A (en) | 2018-12-07 |
| CN108946433B true CN108946433B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810930874.5A Active CN108946433B (en) | 2018-08-15 | 2018-08-15 | Special amplitude changing device for quadrilateral steel plate |
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| CN (1) | CN108946433B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1456438A1 (en) * | 1965-06-22 | 1972-08-10 | Conco Inc | Balanced, four-armed lifting arrangement with a hanger, which has a base plate and side pieces |
| JPS6460594A (en) * | 1987-08-28 | 1989-03-07 | Sumitomo Heavy Industries | Emergency rope delivery-hanger tilter for lifting gear |
| CN2778784Y (en) * | 2004-05-21 | 2006-05-10 | 孙有发 | Elevator main steel cable brake |
| CN201002923Y (en) * | 2006-12-07 | 2008-01-09 | 上海港机重工有限公司 | Translation device for crane slings |
| CN101633478A (en) * | 2008-07-23 | 2010-01-27 | 中国科学院自动化研究所 | Cable traction automatic leveling hanger and method thereof |
| JP2012193031A (en) * | 2011-03-17 | 2012-10-11 | Mitsui Eng & Shipbuild Co Ltd | Crane |
| KR20140003176U (en) * | 2012-11-20 | 2014-05-29 | 현대중공업 주식회사 | over head crane structure providing cleaning function of surface plate |
-
2018
- 2018-08-15 CN CN201810930874.5A patent/CN108946433B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1456438A1 (en) * | 1965-06-22 | 1972-08-10 | Conco Inc | Balanced, four-armed lifting arrangement with a hanger, which has a base plate and side pieces |
| JPS6460594A (en) * | 1987-08-28 | 1989-03-07 | Sumitomo Heavy Industries | Emergency rope delivery-hanger tilter for lifting gear |
| CN2778784Y (en) * | 2004-05-21 | 2006-05-10 | 孙有发 | Elevator main steel cable brake |
| CN201002923Y (en) * | 2006-12-07 | 2008-01-09 | 上海港机重工有限公司 | Translation device for crane slings |
| CN101633478A (en) * | 2008-07-23 | 2010-01-27 | 中国科学院自动化研究所 | Cable traction automatic leveling hanger and method thereof |
| JP2012193031A (en) * | 2011-03-17 | 2012-10-11 | Mitsui Eng & Shipbuild Co Ltd | Crane |
| KR20140003176U (en) * | 2012-11-20 | 2014-05-29 | 현대중공업 주식회사 | over head crane structure providing cleaning function of surface plate |
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| Publication number | Publication date |
|---|---|
| CN108946433A (en) | 2018-12-07 |
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Effective date of registration: 20210521 Address after: 312000 room 13013, building 2, Wanda Plaza, Keqiao street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Keqiao jince Intelligent Technology Co., Ltd Address before: 273307 Renxiao village, Wenshui Town, Pingyi County, Linyi City, Shandong Province Applicant before: Zhang Chuanbo |
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