CN200958000Y - Crane for automatically-balancing rotary electric container - Google Patents
Crane for automatically-balancing rotary electric container Download PDFInfo
- Publication number
- CN200958000Y CN200958000Y CN 200620129366 CN200620129366U CN200958000Y CN 200958000 Y CN200958000 Y CN 200958000Y CN 200620129366 CN200620129366 CN 200620129366 CN 200620129366 U CN200620129366 U CN 200620129366U CN 200958000 Y CN200958000 Y CN 200958000Y
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- spreader
- balancing
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- chain
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- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 15
- 125000003003 spiro group Chemical group 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 2
- -1 cable drum Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a self equilibrating electro swivel container spreader. When the container has a deviated load, three functions in one mechanism drives the movement of the screw mechanism, and a self equilibrating over sling and the body of the spreader make a relative shift. Thereby, the equilibrating of the spreader is realized; by utilizing a swivel anti swing device to prevent the swinging of the container, and driving the rotation of a pivoting support by the pinions on the three functions in one mechanism, the electro swivel function of the lifting appliance can be realized. By utilizing an electro twist lock mechanism to drive a pull rod to make a reciprocating motion, the positive and negative 90 degrees rotation of the twist lock is carried out. Thereby, the lockage of the twist lock can be realized, improving the work efficiency, reducing the overall height of the container spreader, and further increasing the effective work space of a crane. The utility model comprises a self equilibrating over sling, a body of the spreader, a screw gearing as well as an electro twist lock mechanism, which is arranged on the body of the spreader, and a swivel anti swing device. The swivel anti swing device is composed of a torque motor, a cycloidal gear speed reducer, a steel wire coiling block, a steel wire. The application of the utility model for the general portal crane can essentially achieve the effect of the portal jib crane specific for the container spreader.
Description
Technical field
The utility model relates to the electronic rotation container spreader of a kind of self-balancing.
Background technology
At present, the used simple and easy container spreader of general raft of pontoons formula suspension hook hoisting crane all is single fulcrum strained condition, it has following shortcoming: one, do not have the self-equalizing power driven system, during freight container centre-of gravity shift, cause that easily casing tilts, cause out car and the position difficulty that falls, aggravate the breakage of goods, casing and vehicle simultaneously.Two, do not have electronic twist lock function, be flexible coupling, could utilize the lifting of crane hook to realize the switching conversion of container spreader twist lock by a secondary steel rope and crane hook list fulcrum, the every lifting of suspension hook once, twist lock rotates 90 degree.Three, do not have electronic spinfunction, when needing gantry crane supporting leg or contraposition, need the moving freight container of deliberately collision or manpower hook, it and crane hook are rotated together.Four, do not rotate anti-sway device, the anglec of rotation is difficult to control, the contraposition difficulty, and operating efficiency is low, does not meet goods yard handling safety, job requirements efficiently.And simple and easy container spreader whole height is higher, has wasted the ability of goods yard turnover, accumulating.
Summary of the invention
The purpose of this utility model just provides a kind of can moving does not automatically tilt suspender and casing balance, can electronic twist lock and the container spreader of electronic rotation, and suspender and freight container do not rock during rotation, can rotate arbitrarily in the horizontal direction, contraposition is accurately convenient.
The electronic rotation container spreader of self-balancing of the present utility model comprises the suspender body, the rotation anti-sway device, it is characterized in that: also comprise the self-balancing over sling, with the helicoidal gear and the electronic rotating lock mechanism that are positioned on the suspender body, can drive the self-balancing over sling by the nut in the worm drive moves back and forth with respect to the suspender body, have on the self-balancing over sling and gantry crane suspension hook bonded assembly hook device, hang over roller and boatswain chair on the suspender body raceway, and by three-in-one mechanism, miniature gears, the suspender rotating mechanism that pivoting support constitutes, helicoidal gear comprises three-in-one mechanism, coupler, nut, screw rod and spiro rod support.Spiro rod support welding or with Bolt Connection on the suspender body.Helicoidal gear can also be a chain drive, and chain drive comprises motor, reductor, drive sprocket, by movable sprocket, chain, chain wheeling support, and a bit connecting with the self-balancing over sling on the chain, self-balancing over sling and chain move back and forth together.Hook device on the self-balancing over sling can be a secondary strap, also can be a big shackle, or two shackle plates and a bearing pin, as long as suspension hook can be hung up just passable.
Rotation anti-sway device of the present utility model comprises torque motor, cycloidal planetary gear speed reducer, cable drum, steel rope.The electronic rotation container spreader of self-balancing is hooked on the raft of pontoons suspension hook during use, four jiaos of four jiaos of tiltedly drawing four steel ropes at the self-balancing over sling to the gantry crane dolly, one cover all is housed on each angle drives the device that cable drum rotates tense wire rope through cycloidal planetary gear speed reducer, wave when preventing the freight container rotation by torque motor.When suspension hook hoists, utilize torque motor rotating speed variable torque unmodified characteristic, the speed of torque motor Wound steel rope is faster than main hook speed, steel rope has constant tension force always, when suspension hook descends, gravity by the electronic rotation container spreader of self-balancing hauls counter-rotating to torque motor, and at this moment, torque motor is still switched on and had fixing moment tense wire rope.
Electronic rotating lock mechanism of the present utility model is that motor drives reductor through belt-driving, and gear is housed on the speed reducer output shaft, gear driven tooth bar crank motion, thus realize that by connecting rod twist lock opens and closes.It is prior art that connecting rod drive twist lock is rotated on the simple and easy container spreader.
The electronic rotation container spreader of self-balancing of the present utility model is achieved in that the direction of utilizing gravity is principle straight down all the time, the suspender out-of-level three-in-one mechanism that just connects helicoidal gear of freight container of slinging, three-in-one mechanism comprises motor, drg, reductor, it is a kind of mechanical drive product of compact conformation, the drive screw rotation of three-in-one mechanism drives nut and moves, nut and self-balancing over sling are bound up, pass through roller, suspender body and self-balancing over sling just can relatively move, oneself looks for center of gravity, realizes automatically regulating freight container balance.When needs when gantry crane supporting leg or contraposition, connect the three-in-one mechanism on the self-balancing over sling, on the output shaft of three-in-one mechanism miniature gears is housed, miniature gears drives the rotation of pivoting support, thereby drives the freight container rotation.At four jiaos of four jiaos of tiltedly drawing four steel ropes of self-balancing over sling to the gantry crane dolly, a cover all is housed on each angle drives the device that cable drum rotates tense wire rope through cycloidal planetary gear speed reducer by torque motor, wave when preventing the freight container rotation.When suspension hook hoists, utilize torque motor rotating speed variable torque unmodified characteristic, the speed of torque motor Wound steel rope is faster than main hook speed, steel rope has constant tension force always, when suspension hook descends, leans on the gravity of the electronic rotation container spreader of self-balancing that torque motor is hauled counter-rotating, at this moment, torque motor is still switched on and is had fixing moment tense wire rope, realizes the anti-swing function of suspender, can rotate arbitrarily in the horizontal direction, contraposition is accurately convenient.For improving operating efficiency, electronic rotating lock mechanism adopts motor to drive reductor through belt-driving, and gear is housed on the speed reducer output shaft, gear driven tooth bar crank motion, thereby realize that by connecting rod twist lock opens and closes, electronic twist lock opens and closes and can finish in two seconds, opens and closes lock efficient and improves greatly.
The utility model is simple in structure, compact, does not have complicated hydraulic efficiency pressure system, safety, cleaning, pollution-free.The utlity model has automatically regulating freight container balance, electronic twist lock, electronic rotation, rotation rocking-prevention function, can realize that people's goods thoroughly separates, improve safety and handling efficiency, reduced the bottom-to-top-height of container spreader, increased the effective operation space of loop wheel machine; Twist lock be can't help the repeatedly lifting of suspension hook and is finished, and reduces the crane operation number of times; Rotating mechanism adopts electronic mode, is supported by three-in-one mechanism driving rotational and realizes.On common transfer crane, use the utility model suspender, can reach the effect of freight container special gantry crane substantially.When unloading, still can load and unload other goods, realize a tractor serves several purposes, and interchangeability be good.
Description of drawings
Fig. 1 faces the planar structure scheme drawing for the utility model;
Fig. 2 faces the planar structure scheme drawing for the utility model rotation anti-sway device;
Fig. 3 is the utility model chain drive structural representation.
Fig. 4 is the electronic rotating lock mechanism structural representation of the utility model.
The specific embodiment
The electronic rotation container spreader of self-balancing of the present utility model comprises suspender body 4, rotation anti-sway device 1, it is characterized in that: also comprise self-balancing over sling 12, with the helicoidal gear 3 and the electronic rotating lock mechanism 7 that are positioned on the suspender body 4, can drive self-balancing over sling 12 by the nut in the worm drive 8 moves back and forth with respect to suspender body 4, have on the self-balancing over sling 12 and gantry crane suspension hook bonded assembly hook device 11, hang over roller 5 and boatswain chair 6 on the suspender body raceway, and by three-in-one mechanism 10, miniature gears 9, the suspender rotating mechanism that pivoting support 13 constitutes, the hook device here adopts a secondary strap 11, and helicoidal gear 3 comprises three-in-one mechanism 17, coupler 16, nut 8, screw rod 14 and spiro rod support 15.Spiro rod support 15 welding or with Bolt Connection on suspender body 4.
Rotation anti-sway device 1 of the present utility model comprises torque motor 18, cycloidal planetary gear speed reducer 19, cable drum 20, steel rope 21.The electronic rotation container spreader of self-balancing hangs on the raft of pontoons suspension hook by a secondary strap 11 during use, four jiaos of four jiaos of tiltedly drawing four steel ropes 2 at self-balancing over sling 12 to the gantry crane dolly, one cover all is housed on each angle drives the device that cable drum 20 rotates tense wire ropes through cycloidal planetary gear speed reducer 19, wave when preventing the freight container rotation by torque motor 18.When suspension hook hoists, utilize torque motor 18 rotating speed variable torque unmodified characteristics, the speed of torque motor Wound steel rope is faster than main hook speed, steel rope 2 has constant tension force always, when suspension hook descends, gravity by the electronic rotation container spreader of self-balancing hauls counter-rotating to torque motor 18, and at this moment, torque motor 18 is still switched on and had fixing moment tense wire rope 2.
Electronic rotating lock mechanism 7 of the present utility model is that motor drives reductor 31 through 33 belt-drivings 32, on reductor 31 output shafts gear 29 is housed, and gear 29 drives tooth bar 28 crank motions, thereby realizes that by connecting rod 30 twist lock opens and closes.It is prior art that connecting rod 30 drive twist locks are rotated on the simple and easy container spreader.
Principle of work of the present utility model is: when the freight container unbalance loading, freight container will tilt, the direction of utilizing gravity is three-in-one mechanism 17 connecting and disconnecting of principle control worm drive straight down all the time, realize the suspender self-balancing, utilize rotation anti-sway device 1 to prevent that freight container from waving, by miniature gears 9 driving rotational supporting 13 rotations of three-in-one mechanism last 10, thereby drive 4 rotations of suspender body, realize the electronic spinfunction of suspender.Electronic rotating lock mechanism 7 pushing drawing rods 30 crank motions drive positive and negative 90 degree of twist lock and rotate, thereby realize the switching of twist lock.
Claims (4)
1, the electronic rotation container spreader of a kind of self-balancing comprises suspender body (4), rotation anti-sway device (1), it is characterized in that: also comprise self-balancing over sling (12), with the helicoidal gear (3) and the electronic rotating lock mechanism (7) that are positioned on the suspender body (4), can drive self-balancing over sling (12) by the nut in the worm drive (8) moves back and forth with respect to suspender body (4), have on the self-balancing over sling (12) and gantry crane suspension hook bonded assembly hook device (11), hang over roller (5) and boatswain chair (6) on the suspender body raceway, and by three-in-one mechanism (10), miniature gears (9), the suspender rotating mechanism that pivoting support (13) constitutes, helicoidal gear (3) comprises three-in-one mechanism (17), coupler (16), nut (8), screw rod (14) and spiro rod support (15), spiro rod support (15) welding or with Bolt Connection on suspender body (4).
2, the electronic rotation container spreader of self-balancing according to claim 1, it is characterized in that: rotation anti-sway device (1) comprises torque motor (18), cycloidal planetary gear speed reducer (19), cable drum (20), steel rope (21), torque motor (18) is sleeved on the cycloidal planetary gear speed reducer (19), steel rope (21) is wrapped on the cable drum (20), and cable drum (20) is installed on cycloidal planetary gear speed reducer (19) output shaft.
3, the electronic rotation container spreader of self-balancing according to claim 1 and 2, it is characterized in that: the helicoidal gear (3) that is positioned on the suspender body (4) can also be a chain drive, chain drive comprises motor (22), reductor (23), drive sprocket (24), chain wheeling support (26), by movable sprocket (27), chain (25), a bit connecting on the chain (25) with self-balancing over sling (12), motor (22) is sleeved on the reductor (23), reductor (23) output shaft connects with drive sprocket (24), chain (25) passes drive sprocket (24) and by movable sprocket (27), drive sprocket (24), be installed on the chain wheeling support (26) by movable sprocket (27).
4, the electronic rotation container spreader of self-balancing according to claim 1 and 2, it is characterized in that: electronic rotating lock mechanism (7) is that motor (33) connects with reductor (31) by belt-driving (32), on reductor (31) output shaft gear (29) is housed, gear (29) and tooth bar (28) engagement, tooth bar (28) is connected with connecting rod (30), realizes that twist lock opens and closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620129366 CN200958000Y (en) | 2006-07-12 | 2006-07-12 | Crane for automatically-balancing rotary electric container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620129366 CN200958000Y (en) | 2006-07-12 | 2006-07-12 | Crane for automatically-balancing rotary electric container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200958000Y true CN200958000Y (en) | 2007-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620129366 Expired - Lifetime CN200958000Y (en) | 2006-07-12 | 2006-07-12 | Crane for automatically-balancing rotary electric container |
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| Country | Link |
|---|---|
| CN (1) | CN200958000Y (en) |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100586833C (en) * | 2007-12-18 | 2010-02-03 | 天津重钢机械装备有限公司 | Sling with adjustable balanced type transverse beam |
| CN101830391A (en) * | 2010-06-07 | 2010-09-15 | 三一集团有限公司 | Lifting appliance and front handling mobile crane with same |
| CN101633478B (en) * | 2008-07-23 | 2011-04-13 | 中国科学院自动化研究所 | Cable traction automatic leveling hanger and method thereof |
| CN102009912A (en) * | 2010-11-12 | 2011-04-13 | 卫华集团有限公司 | Roll reduction container crane and roll reduction mechanism thereof |
| CN102295223A (en) * | 2011-06-28 | 2011-12-28 | 三一集团有限公司 | A kind of spreader and front hanger |
| CN102689834A (en) * | 2012-06-12 | 2012-09-26 | 福建汇盛铁路重工有限公司 | General hydraulic hanger for container |
| CN102976202A (en) * | 2012-11-28 | 2013-03-20 | 大连钛鼎重工有限公司 | Electrical rotary opening-closing hanger for amplitude-change vehicle mould |
| CN102992188A (en) * | 2012-11-28 | 2013-03-27 | 大连钛鼎重工有限公司 | Power-driven rotational controlled interval four-claw slab stack clamp |
| CN103130089A (en) * | 2011-12-05 | 2013-06-05 | 三一集团有限公司 | Container spreader of transtainer or quay crane |
| CN103318748A (en) * | 2012-11-02 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Lifting device of water cargo platform |
| CN103921117A (en) * | 2014-04-30 | 2014-07-16 | 中冶天工集团有限公司 | Off-line assembly method for large flotation machine barrel module |
| CN103964298A (en) * | 2014-05-22 | 2014-08-06 | 江苏甬金金属科技有限公司 | Roll-changing lifting appliance |
| CN104003322A (en) * | 2014-04-28 | 2014-08-27 | 国家电网公司 | Open-close pipe shaft lifting tackle |
| CN104444786A (en) * | 2014-11-28 | 2015-03-25 | 嘉兴鸿利机械有限公司 | Self-balancing hanger |
| CN104495647A (en) * | 2014-11-20 | 2015-04-08 | 珠海三一港口机械有限公司 | Sling and crane |
| CN104686384A (en) * | 2015-03-12 | 2015-06-10 | 中国科学技术大学 | Freely-movable animal experiment connection wire unwinding device |
| CN104692230A (en) * | 2015-03-13 | 2015-06-10 | 张家港市盛达冶金吊具制造有限公司 | Self-balancing and self-gravity center finding container spreader mechanism with eccentric load display |
| CN105438966A (en) * | 2014-08-29 | 2016-03-30 | 扬州蓝海建设机械有限公司 | Unbalanced load-resistant container spreader |
| CN107500162A (en) * | 2017-10-17 | 2017-12-22 | 马鞍山钢铁股份有限公司 | The anti-480 tons of driving master file wirerope-windings equalizer bar of one kind improves device |
| CN107512653A (en) * | 2017-09-25 | 2017-12-26 | 湖南中铁五新重工有限公司 | Sling upper rack and container crane |
| CN108502707A (en) * | 2018-05-24 | 2018-09-07 | 巨力索具股份有限公司 | A kind of container spreader cam mechanism |
| CN110203806A (en) * | 2019-07-05 | 2019-09-06 | 湖北天华智能装备股份有限公司 | A kind of rotary automobile side wall suspender |
| CN112010176A (en) * | 2020-08-27 | 2020-12-01 | 三一海洋重工有限公司 | Automatic container grabbing and releasing system for container card and container loading and correcting method |
| CN112320594A (en) * | 2020-11-25 | 2021-02-05 | 中船重工重庆液压机电有限公司 | A large area spreader load balancing system |
| CN112499451A (en) * | 2020-08-26 | 2021-03-16 | 南昌赣洪铁路机械设备有限公司 | Self-balancing telescopic container rotary lifting appliance |
| CN112875510A (en) * | 2019-11-29 | 2021-06-01 | 华电重工股份有限公司 | Lifting appliance anti-swing system for crossing type double-trolley quay crane |
| CN112875511A (en) * | 2019-11-29 | 2021-06-01 | 华电重工股份有限公司 | Novel anti-swing device for lifting appliance |
-
2006
- 2006-07-12 CN CN 200620129366 patent/CN200958000Y/en not_active Expired - Lifetime
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100586833C (en) * | 2007-12-18 | 2010-02-03 | 天津重钢机械装备有限公司 | Sling with adjustable balanced type transverse beam |
| CN101633478B (en) * | 2008-07-23 | 2011-04-13 | 中国科学院自动化研究所 | Cable traction automatic leveling hanger and method thereof |
| CN101830391A (en) * | 2010-06-07 | 2010-09-15 | 三一集团有限公司 | Lifting appliance and front handling mobile crane with same |
| CN101830391B (en) * | 2010-06-07 | 2012-02-15 | 三一集团有限公司 | Lifting appliance and front handling mobile crane with same |
| CN102009912A (en) * | 2010-11-12 | 2011-04-13 | 卫华集团有限公司 | Roll reduction container crane and roll reduction mechanism thereof |
| CN102295223A (en) * | 2011-06-28 | 2011-12-28 | 三一集团有限公司 | A kind of spreader and front hanger |
| CN103130089A (en) * | 2011-12-05 | 2013-06-05 | 三一集团有限公司 | Container spreader of transtainer or quay crane |
| CN102689834A (en) * | 2012-06-12 | 2012-09-26 | 福建汇盛铁路重工有限公司 | General hydraulic hanger for container |
| CN103318748A (en) * | 2012-11-02 | 2013-09-25 | 上海振华重工(集团)股份有限公司 | Lifting device of water cargo platform |
| CN103318748B (en) * | 2012-11-02 | 2015-09-02 | 上海振华重工(集团)股份有限公司 | Article carrying platform suspender waterborne |
| CN102992188A (en) * | 2012-11-28 | 2013-03-27 | 大连钛鼎重工有限公司 | Power-driven rotational controlled interval four-claw slab stack clamp |
| CN102992188B (en) * | 2012-11-28 | 2015-04-01 | 大连钛鼎重工有限公司 | Power-driven rotational controlled interval four-claw slab stack clamp |
| CN102976202A (en) * | 2012-11-28 | 2013-03-20 | 大连钛鼎重工有限公司 | Electrical rotary opening-closing hanger for amplitude-change vehicle mould |
| CN104003322A (en) * | 2014-04-28 | 2014-08-27 | 国家电网公司 | Open-close pipe shaft lifting tackle |
| CN103921117A (en) * | 2014-04-30 | 2014-07-16 | 中冶天工集团有限公司 | Off-line assembly method for large flotation machine barrel module |
| CN103964298A (en) * | 2014-05-22 | 2014-08-06 | 江苏甬金金属科技有限公司 | Roll-changing lifting appliance |
| CN105438966B (en) * | 2014-08-29 | 2017-08-08 | 周欣玥 | A kind of anti-bias load formula container spreader |
| CN105438966A (en) * | 2014-08-29 | 2016-03-30 | 扬州蓝海建设机械有限公司 | Unbalanced load-resistant container spreader |
| CN104495647A (en) * | 2014-11-20 | 2015-04-08 | 珠海三一港口机械有限公司 | Sling and crane |
| CN104444786B (en) * | 2014-11-28 | 2016-09-28 | 嘉兴鸿利机械有限公司 | Self-balance sling |
| CN104444786A (en) * | 2014-11-28 | 2015-03-25 | 嘉兴鸿利机械有限公司 | Self-balancing hanger |
| CN104686384A (en) * | 2015-03-12 | 2015-06-10 | 中国科学技术大学 | Freely-movable animal experiment connection wire unwinding device |
| CN104692230A (en) * | 2015-03-13 | 2015-06-10 | 张家港市盛达冶金吊具制造有限公司 | Self-balancing and self-gravity center finding container spreader mechanism with eccentric load display |
| CN107512653A (en) * | 2017-09-25 | 2017-12-26 | 湖南中铁五新重工有限公司 | Sling upper rack and container crane |
| CN107500162A (en) * | 2017-10-17 | 2017-12-22 | 马鞍山钢铁股份有限公司 | The anti-480 tons of driving master file wirerope-windings equalizer bar of one kind improves device |
| CN108502707A (en) * | 2018-05-24 | 2018-09-07 | 巨力索具股份有限公司 | A kind of container spreader cam mechanism |
| CN108502707B (en) * | 2018-05-24 | 2024-02-27 | 巨力索具股份有限公司 | Cam mechanism for container lifting appliance |
| CN110203806A (en) * | 2019-07-05 | 2019-09-06 | 湖北天华智能装备股份有限公司 | A kind of rotary automobile side wall suspender |
| CN110203806B (en) * | 2019-07-05 | 2023-12-12 | 湖北天华智能装备股份有限公司 | Rotary automobile side wall lifting appliance |
| CN112875510A (en) * | 2019-11-29 | 2021-06-01 | 华电重工股份有限公司 | Lifting appliance anti-swing system for crossing type double-trolley quay crane |
| CN112875511A (en) * | 2019-11-29 | 2021-06-01 | 华电重工股份有限公司 | Novel anti-swing device for lifting appliance |
| CN112499451A (en) * | 2020-08-26 | 2021-03-16 | 南昌赣洪铁路机械设备有限公司 | Self-balancing telescopic container rotary lifting appliance |
| CN112010176A (en) * | 2020-08-27 | 2020-12-01 | 三一海洋重工有限公司 | Automatic container grabbing and releasing system for container card and container loading and correcting method |
| CN112320594A (en) * | 2020-11-25 | 2021-02-05 | 中船重工重庆液压机电有限公司 | A large area spreader load balancing system |
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