CN201071261Y - Bank bridge type permanent magnetism suspension wide and thick plate crane - Google Patents

Bank bridge type permanent magnetism suspension wide and thick plate crane Download PDF

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Publication number
CN201071261Y
CN201071261Y CNU2007201125442U CN200720112544U CN201071261Y CN 201071261 Y CN201071261 Y CN 201071261Y CN U2007201125442 U CNU2007201125442 U CN U2007201125442U CN 200720112544 U CN200720112544 U CN 200720112544U CN 201071261 Y CN201071261 Y CN 201071261Y
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CN
China
Prior art keywords
pulley
hanger
wide
crane
suspension bracket
Prior art date
Application number
CNU2007201125442U
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Chinese (zh)
Inventor
刘建胜
习昊皓
严律明
葛月龙
沈策
胡光跃
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杭州华新机电工程有限公司
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Priority to CNU2007201125442U priority Critical patent/CN201071261Y/en
Application granted granted Critical
Publication of CN201071261Y publication Critical patent/CN201071261Y/en

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Abstract

The utility model discloses an off-shored bridge permanent magnet crane for hoisting wide and heavy plate, which comprises a bridge structure, a traveling trolley having driver's cab, a machine room, a hanger, a revolving hanger, a pitch mechanism, a lifting mechanism, a through-type rope winding system and a pulley block, a crane traveling mechanism, and an electric control system and a safety protection device. The traveling trolley is fully driven; the hanger is a permanent magnet hanger and is connected with the revolving hanger through a twist lock; and a rope system and the pulley block and the lifting mechanism adopt the through-type rope winding system. The off-shored bridge crane can be used for loading wide and heavy plate, and the steel plate makes linear movement on the plate to substitute for revolving movement of prior portal crane, thus saving time by about 20% in one work cycle and improving the working efficiency. Compared with prior electromagnetic hangers, the electric-control permanent magnet hanger adopted can save energy, and has safe operation, no maintenance and low operation cost. Specific MC nylon pulley can be used for the off-shored bridge crane or the similar product to reduce abrasion of wire rope and pulley and reduce operation energy consumption.

Description

Bank bridge-type permanent magnetism hangs the Wide and Thick Slab hoisting crane

Technical field

The utility model relates to hoisting crane, especially relates to a kind of bank bridge-type permanent magnetism and hangs the Wide and Thick Slab hoisting crane.

Background technology

For revitalizing national shipbuilding industry, country constantly strengthens the policy input to shipbuilding industry, and the shipbuilding output of China increased by 26% in recent years every year.Yearly output has surpassed 1000 ten thousand years gross tons, accounts for 18% of world's shipbuilding share.At present, China has developed into third place in the world shipbuilding big country.Develop swift and violent ship building industry the demand of Wide and Thick Slab is enlarged day by day, for satisfying the ship building industry that constantly enlarges to the raw-material demand of Wide and Thick Slab, national large-scale iron and steel manufacturing enterprise has introduced the Wide and Thick Slab manufacturing line recently.And ship is adopted in the transportation of Wide and Thick Slab substantially, for this reason steel mill to Wide and Thick Slab to go out the harbour lifting appliance that fortune and shipbuilding yard unloading of Wide and Thick Slab is adopted most important.

The main type of hoisting crane of the loading and unloading steel plate that uses at present is high pedestal jib crane, as shown in Figure 1.Pitching, revolution, lifting mechanism concerted action by jib 1 are carried out loading and unloading operation to steel plate, the suspender that high pedestal jib crane adopts mostly is clamp 3 greatly or uses Electromagnetic slings for lifting loads 2, use the suspender of clamp 3, both dangerous and bigger to the infringement of steel plate, use Electromagnetic slings for lifting loads 2, Electromagnetic slings for lifting loads is in the charging operation always in whole handling process, and electric energy consumption is big, in a single day the electric weight of standby battery uses up and will cause steel plate high-altitude falling accident owing to cut off the power supply, and potential safety hazard is big.

High pedestal jib crane is suitable to the less steel plate of roll of steel plate equal length, but for the nearly 25 meters Wide and Thick Slab of lifting super long, because the revolution operation of high pedestal jib crane jib causes the direction of putting on steel plate placing direction belowdecks and the harbour opposite, so needing suspension bracket to the handling steel plate carry out rev again could return the steel plate length direction and turn 90 degrees, to adapt to the putting position of cabin, harbour face, its work efficiency is lower, and higher to driver's operation requirements, and labour intensity is big.

Summary of the invention

The purpose of this utility model is to provide a kind of bank bridge-type permanent magnetism to hang the Wide and Thick Slab hoisting crane.

The technical scheme that its technical matters that solves the utility model adopts is:

The automatic carriage, machine room, suspender, revolution suspension bracket, luffing mechanism, lifting mechanism, penetration type wiring system and assembly pulley, traveling mechanism of the larger traveller, electric control system and the safety guard that comprise portal structure, band driver's cab.

1) described self-propelled trolley travelling is the full pattern that drives, by identical two cover driver train vertical small car orbital arrangement in the trolley frame both sides, every cover driver train by a frequency conversion motors after hard flank of tooth retarder slows down, the two ends output shaft of hard flank of tooth retarder drives two axletrees by universal coupling respectively, the self-propelled dolly is moved, and the self-propelled trolley travelling adopts four horizontal guide sheaves to be arranged in two track inboards and leads;

2) described suspender is a permanent magnet hanger, is connected with the revolution suspension bracket by twist lock;

3) described rope system and assembly pulley, the penetration type wiring system that lifting mechanism adopts, steel rope by revolution on the suspension bracket movable pulley and dolly on fixed pulley to form 4 groups of multiplying powers be 2 assembly pulley system, steel rope one end is fixed in hoisting drum, the other end is fixed in the preceding affixed point of crossbeam front end, to turn round hanger suspending on dolly, and realize revolution suspension bracket lift work, penetration type wiring system adopts extraordinary MC nylon pulley.

4) described portal structure adopts two big diagonal braces that front door frame, back door frame are connected into two fixed triangle shapes.

The utility model is compared the beneficial effect that has with background technology:

1, adopt bank crane in bridge type loading and unloading Wide and Thick Slab, steel plate displacement in the plane is a straight-line motion, has substituted the gyroscopic movement of original span winch, and a working cycle saves time about 20%, enhances productivity.

2, adopt electric control permanent magnet hanger than original electromagnetic lifter that adopts, energy-conservation, safe, non-maintaining, reduction operating cost.

3, the application of the extraordinary nylon pulley of MC on bank crane in bridge type and similar products reduces the wearing and tearing of steel rope and pulley, and reducing operation energy consumption and maintenance cost has important dissemination.

4, Wide and Thick Slab ship loader machinery support spare normalisation, the localization rate of parts and components are higher, and the complete machine cost performance is higher, and there is more wide use prospect in iron and steel enterprise, the shipbuilding enterprise of production Wide and Thick Slab.

Description of drawings

Fig. 1 is the gate seat machine front view that uses at present.

Fig. 2 is that bank bridge-type permanent magnetism hangs Wide and Thick Slab hoisting crane front view.

Fig. 3 is that bank bridge-type permanent magnetism hangs Wide and Thick Slab hoisting crane birds-eye view.

Fig. 4 is that bank bridge-type permanent magnetism hangs Wide and Thick Slab crane side view.

Fig. 5 is fixed length beam electric control permanent magnet hanger GTR12/450.

Fig. 6 is telescopic girder electric control permanent magnet hanger TM8/350.

Fig. 7 is connecting traverse electric control permanent magnet hanger MTE-SMH-D/450.

Fig. 8 is a self-propelled dolly birds-eye view.

Fig. 9 is that scheme drawing is twined in penetration type raising line system.

Figure 10 is the twist lock connection diagram.

Among the figure: 1, jib, 2, Electromagnetic slings for lifting loads, 3, clamp, 4, preceding crossbeam, 5, front tension bar, 6, little door frame, 7, front door frame, 8, back stay, 9, back crossbeam, 10, big diagonal brace, 11, back door frame, 12, penetration type wiring system, 13, the MC nylon pulley, 14, fixed length beam electric control permanent magnet hanger GTR12/45,15, telescopic girder electric control permanent magnet hanger TM8/350,16, connecting traverse electric control permanent magnet hanger MTE-SMH-D/450,17, traveling mechanism of the larger traveller, 18, luffing mechanism, 19, machine room, 20, lifting mechanism, 21, the self-propelled dolly, 22, horizontal trivet, 23, electric, 24, the revolution suspension bracket, 25, trolley frame, 26, adjustable frequency motor, 27, hard flank of tooth retarder, 28, universal coupling, 29, axletree, 30, horizontal guide sheave, 31, manually move handle, 32, twist lock, 33, driver's cab, 34, fixed pulley, 35, movable pulley, 36, hoisting drum

The specific embodiment

As Fig. 2, Fig. 3, shown in Figure 4, this type of the utility model adopts machine room 19 inhead type types.Complete machine comprises the portal structure of mainly being made up of front door frame 7, back door frame 11, preceding crossbeam 4, back crossbeam 9, wicket frame 6, front tension bar 5, back stay 8, big diagonal brace 10, horizontal trivet 22 etc.; the automatic carriage 21 of band driver's cab 33; machine room 19; the electric control permanent magnet hanger 14,15,16 of three kinds of different sizes, revolution suspension bracket 24, luffing mechanism 18; lifting mechanism 20; penetration type wiring system 12 and MC nylon pulley 13, traveling mechanism of the larger traveller 17, electric control system 23 and safety guard.

As shown in Figure 8, described self-propelled dolly 21 operates to full driving pattern, by identical two cover driver train vertical small car orbital arrangement in trolley frame 25 both sides, every cover driver train by a frequency conversion motors 26 after hard flank of tooth retarder 27 slows down, the two ends output shaft of hard flank of tooth retarder 27 drives two axletrees 29 by universal coupling 28 respectively, self-propelled dolly 21 is moved, and 21 operations of self-propelled dolly are adopted four horizontal guide sheaves 30 to be arranged in two track inboards and are led;

As shown in figure 10, described suspender is a permanent magnet hanger, is connected with revolution suspension bracket 24 by twist lock 32;

As shown in Figure 9, described rope system and assembly pulley, the penetration type wiring system 12 that lifting mechanism 20 adopts, steel rope is 2 assembly pulley system by 4 groups of multiplying powers of fixed pulley 34 formation on movable pulley 35 on the revolution suspension bracket 24 and the dolly 21, steel rope one end is fixed in hoisting drum 36, and the other end is fixed in the preceding affixed point of crossbeam 7 front ends, will turn round suspension bracket 24 and be suspended on the dolly, realize revolution suspension bracket 24 lift works, penetration type wiring system 12 adopts extraordinary MC nylon pulley 13.MC nylon is a kind of later-model polyamide-based engineering plastics, is the major project plastics of manufacturing mechanical components.

Described portal structure, owing to front door frame 7, back door frame 11 spans change greatly, this type adopts two big diagonal braces 10 that front door frame 7, back door frame 11 are connected into two fixed triangle shapes, increases the connection rigidity of forward and backward door frame.

The ship-loading operation flow process is: by the Wide and Thick Slab on electric control permanent magnet hanger 14 or the 15 or 16 magnetic circuits conversion sticking harbour face, Wide and Thick Slab is risen to safe altitude, move to the river side with the self-propelled dolly 21 that revolution suspension bracket 24 links to each other by wire rope rope 12, drop in the cabin, after treating that Wide and Thick Slab is in place belowdecks, Wide and Thick Slab is loosened in conversion by electric control permanent magnet hanger 14 or 15 or 16 magnetic circuits, after electric control permanent magnet hanger risen to safe altitude, self-propelled dolly 21 onshore sides move to the position of the placement Wide and Thick Slab of harbour face, and electric control permanent magnet hanger 14 or 15 or 16 drops on the Wide and Thick Slab face.Finish the working cycle of a shipment.Ship-discharging operation is the reverse flow process of ship-loading operation.

Self-propelled dolly 21 is the full pattern that drives, directly be arranged on the trolley frame 25 by two identical cover driver trains, every cover driver train by a frequency conversion motors 26 after hard flank of tooth retarder 27 slows down, the output shaft of hard flank of tooth retarder 27 drives two axletrees 29 by universal coupling 28, thereby realizes moving of self-propelled dolly 21.Universal coupling 28 can compensate manufacturing and the operation deviation that produces greatly owing to trolley span.Trolley travelling adopts four horizontal guide sheaves 30 to be arranged in two track inboards and leads, and gnaws rail to prevent dolly.Dolly horizontal wheel and trolley track spacing are adjustable by eccentric bushing.Dolly horizontal wheel device is convenient to change, maintenance.Wheeling mechanism also is provided with manual operation handle 31, is convenient to meet accident when having a power failure, and utilizes this handle 31 travelling cars.

The electric control permanent magnet hanger 14,15,16 that complete machine adopts three kinds of different sizes is with the steel plate that adapts to different size and the handling of slab, and is specific as follows:

(1) be 0.9~4.9 meter for width, length is 16~25 meters, and maximum weight is 45 tons a steel plate, as shown in Figure 5, adopts GTR12/450 fixed length beam electric control permanent magnet hanger 14.

(2) be 0.9~4.9 meter for width, length is 6~16 meters, and maximum weight is 35 tons a steel plate, as shown in Figure 6, adopts TM8/350 telescopic girder electric control permanent magnet hanger 15.

(3) be 0.9~4.9 meter for width, length is 6~16 meters, and maximum weight is 45 tons steel plate or a steel plate, as shown in Figure 7, adopts MTE-SMH-D/450 connecting traverse electric control permanent magnet hanger 16.

This machine adopts revolution suspension bracket 24 can be connected by twist lock 32 respectively with three kinds of permanent magnet hangers 14,15,16, can make steel plate revolution ± 110 degree, to adapt to steel plate putting position belowdecks, revolution suspension bracket 24 is 100% localization rate of parts and components, the biggest lifting capacity is 65T under the suspension bracket, twist lock production-release design on the revolution suspension bracket, with three kinds of permanent magnet hangers, 14,15,16 unified interface, easy to loading and unloading.

The penetration type wiring system 12 that lifting mechanism 20 adopts, steel rope is 2 assembly pulley system by 4 groups of multiplying powers of fixed pulley 34 formation on movable pulley 35 on the revolution suspension bracket 24 and the dolly, steel rope one end is fixed in hoisting drum 36, the other end is fixed in the preceding affixed point of crossbeam 7 front ends, will turn round suspension bracket 24 and be suspended on the dolly.Realize revolution suspension bracket 24 lift works.So self-propelled dolly 21 is in operational process, steel rope has slide relative all the time in rope race, the complete machine working level is the A8 level, if adopt the hot-rolled steel pulley, the wearing and tearing of steel rope in rope race are very serious, for reducing the wearing and tearing of steel rope in rope race, prolong the service life of steel rope, the lifting and winding system adopts extraordinary MC nylon pulley 13, and MC nylon is a kind of later-model polyamide-based engineering plastics, is the major project plastics of manufacturing mechanical components.The characteristics of MC nylon material: proportion is little, wear-resistant self-lubricating is good, damping property, high strength and failure-free chemical inertness, favorable mechanical machinability are made an uproar in better elastic and toughness, good suction.Extraordinary nylon material is used in pulley, improves the service life of pulley itself and steel rope greatly, also reduces the operation energy consumption of whole wiring system simultaneously, the reduction operating cost.

Claims (2)

1. a bank bridge-type permanent magnetism hangs the Wide and Thick Slab hoisting crane, comprises automatic carriage, machine room, suspender, revolution suspension bracket, luffing mechanism, lifting mechanism, penetration type wiring system and assembly pulley, traveling mechanism of the larger traveller, electric control system and the safety guard of portal structure, band driver's cab; It is characterized in that:
1) described self-propelled dolly (21) operates to full driving pattern, by identical two cover driver train vertical small car orbital arrangement in trolley frame (25) both sides, every cover driver train by a frequency conversion motors (26) after hard flank of tooth retarder (27) slows down, the two ends output shaft of hard flank of tooth retarder (27) drives two axletrees (29) by universal coupling (28) respectively, self-propelled dolly (21) is moved, and self-propelled dolly (21) operation is adopted four horizontal guide sheaves (30) to be arranged in two track inboards and is led;
2) described suspender is a permanent magnet hanger, is connected with revolution suspension bracket (24) by twist lock (32);
3) described rope system and assembly pulley, the penetration type wiring system (12) that lifting mechanism (20) adopts, steel rope is 2 assembly pulley system by the movable pulley (35) on the revolution suspension bracket (24) and 4 groups of multiplying powers of last fixed pulley (34) formation of dolly (21), steel rope one end is fixed in hoisting drum (36), the other end is fixed in the affixed point of preceding crossbeam (7) front end, to turn round suspension bracket (24) is suspended on the dolly, realize revolution suspension bracket (24) lift work, penetration type wiring system (12) adopts extraordinary MC nylon pulley (13).
2. a kind of bank according to claim 1 bridge-type permanent magnetism hangs the Wide and Thick Slab hoisting crane, it is characterized in that: described portal structure, adopt two big diagonal braces (10) that front door frame (7), back door frame (11) are connected into two fixed triangle shapes.
CNU2007201125442U 2007-07-24 2007-07-24 Bank bridge type permanent magnetism suspension wide and thick plate crane CN201071261Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201125442U CN201071261Y (en) 2007-07-24 2007-07-24 Bank bridge type permanent magnetism suspension wide and thick plate crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201125442U CN201071261Y (en) 2007-07-24 2007-07-24 Bank bridge type permanent magnetism suspension wide and thick plate crane

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102219157A (en) * 2011-06-03 2011-10-19 长沙中联重工科技发展股份有限公司 Loading trolley-based converting rope winding system with variable multiplying power
CN101613056B (en) * 2008-06-26 2011-11-23 卫华集团有限公司 Driving device for driving cab to move along running direction of trolley
CN101780919B (en) * 2009-12-23 2011-12-21 江西起重机械总厂 Load lift and running torsional pendulum preventing device of electromagnetic bridge crane
CN102556906A (en) * 2012-01-18 2012-07-11 中冶南方(武汉)威仕工业炉有限公司 Novel hanger for changing radiant tubes
CN103072905A (en) * 2011-06-03 2013-05-01 中联重科股份有限公司 Variable-multiplying power conversion rope winding system based on load trolley
CN103935899A (en) * 2014-04-14 2014-07-23 中交第二航务工程局有限公司 Attached type bridge crane and construction method thereof
CN103991811A (en) * 2014-04-29 2014-08-20 浙江海洋学院 Novel lifting device
CN105931557A (en) * 2016-07-04 2016-09-07 商洛学院 Electromagnetic crane model

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613056B (en) * 2008-06-26 2011-11-23 卫华集团有限公司 Driving device for driving cab to move along running direction of trolley
CN101780919B (en) * 2009-12-23 2011-12-21 江西起重机械总厂 Load lift and running torsional pendulum preventing device of electromagnetic bridge crane
CN102219157A (en) * 2011-06-03 2011-10-19 长沙中联重工科技发展股份有限公司 Loading trolley-based converting rope winding system with variable multiplying power
CN102219157B (en) * 2011-06-03 2013-04-24 中联重科股份有限公司 Loading trolley-based converting rope winding system with variable multiplying power
CN103072905A (en) * 2011-06-03 2013-05-01 中联重科股份有限公司 Variable-multiplying power conversion rope winding system based on load trolley
CN102556906A (en) * 2012-01-18 2012-07-11 中冶南方(武汉)威仕工业炉有限公司 Novel hanger for changing radiant tubes
CN103935899A (en) * 2014-04-14 2014-07-23 中交第二航务工程局有限公司 Attached type bridge crane and construction method thereof
CN103935899B (en) * 2014-04-14 2016-02-17 中交第二航务工程局有限公司 Adhesion type crane in bridge type and construction method
CN103991811A (en) * 2014-04-29 2014-08-20 浙江海洋学院 Novel lifting device
CN105931557A (en) * 2016-07-04 2016-09-07 商洛学院 Electromagnetic crane model

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080611

Termination date: 20150724