CN100448770C - Quayside container crane double hoist system - Google Patents

Quayside container crane double hoist system Download PDF

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Publication number
CN100448770C
CN100448770C CNB2006100271615A CN200610027161A CN100448770C CN 100448770 C CN100448770 C CN 100448770C CN B2006100271615 A CNB2006100271615 A CN B2006100271615A CN 200610027161 A CN200610027161 A CN 200610027161A CN 100448770 C CN100448770 C CN 100448770C
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CN
China
Prior art keywords
drop
gear box
drum
motors
lifting
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Expired - Fee Related
Application number
CNB2006100271615A
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Chinese (zh)
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CN1857983A (en
Inventor
雒金贵
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Shanghai Gangji Heavy Industry Co Ltd
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Shanghai Gangji Heavy Industry Co Ltd
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Priority to CNB2006100271615A priority Critical patent/CN100448770C/en
Publication of CN1857983A publication Critical patent/CN1857983A/en
Application granted granted Critical
Publication of CN100448770C publication Critical patent/CN100448770C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention discloses a double lifting system of a container shore bridge, which comprises a double drum mechanism of a single speed reduction box, a single drum mechanism of a double speed reduction box, an electro-magnetic clutch and two motors, wherein the double drum mechanism of the single speed reduction box and the single drum mechanism of the double speed reduction box are driven by the two motors; the switching of the two mechanisms and the two motors is controlled by the electro-magnetic clutch. The present invention synthesizes the characteristics of two common lifting mechanisms at present. The double drum mechanism of the single speed reduction box is mainly used for lifting large weight, and the single drum mechanism of the double speed reduction box is mainly used for lifting small weight. Therefore, the present invention not only can singly carry out lifting movement, but also can combine the lifting movement. Thereby, the present invention greatly improves loading and unloading efficiency. Meanwhile, the weight of a hanger and an upper hanger frame which are provided can be different in different lifting schemes. Thereby, the present invention effectively reduces reactive power, improves resource utilization efficiency of equipment, and saves energy. Meanwhile, because the selectivities of the lifting schemes are added, the present invention improves the utilization rate of the equipment.

Description

Quayside container crane double hoist system
Technical field
The present invention relates to shore container crane, more specifically refer to the two hoisting systems of a kind of novel container bank bridge, this system is used to be arranged in the dipping and heaving that realizes freight container or suspender hanging beam on the shore container crane.
Background technology
Freight container traffic can improve handling efficiency greatly as a kind of modern modes of transportation for goods, reduces freight cost, simplify the shipping formality, help improving shipping mass,, become the important component part of Modern Traffic transportation means with its characteristics such as efficient, convenient, safe.
The lifting mechanism of shore container crane is the mechanism that realizes freight container or the dipping and heaving of suspender hanging beam, is most principal work mechanism in the shore container crane.Because of container spreader is all taked four-point suspension, the lifting mechanism of shore container crane is general with two double crosslinking drum coiling hoist ropes, and takes double-motor drive to select the electrical motor of smaller power and less oad for use.Modal arrangement form has following two kinds of independent structures:
1. the two reel structures of single drop-gear box
See also shown in Figure 1ly, this structure comprises electrical motor 11, drg 12, drop-gear box 13, reel 14, two reels 14 about being driven 13, one drop-gear boxs 13 of same drop-gear box simultaneously and control simultaneously by drg 12 by left and right sides two motors 11.
This arrangement form compact conformation, it is little to account for the machine house space.But drop-gear box volume and weight are bigger, and maintenance driving hoisting capacity is big.This arrangement form will be noted the connection box of motor and the position convenient for maintaining of carbon brush, and the drg between reel and motor should be noted leaving installation and adjust the space.
2. two drop-gear box single drum structures
See also shown in Figure 2ly, this structure comprises electrical motor 21, drg 22, and drop-gear box 23, reel 24 drives 23, two drop-gear boxs 23 of a drop-gear box by left and right sides two motors 21 respectively by drg 22 and controls a reel 24 simultaneously.
This arrangement form structure is comparatively compact, and is big but shortcoming is the length dimension of reel, is unfavorable for the layout of afterbody pulley, causes the drift angle of steel rope excessive, very big to lifting altitude especially super Panamanian type bank bridge, and reel length will reach 7~8m.
Along with the development that container ship maximizes, the raising of container handling efficient, the rated load weight of quayside container crane also develops into 60t, 65t by 30.5t, 35t, 40t, 50t, and even 80t~130t.Lifting mechanism is done out of tradely except normal lifting container, at some harbour, also is used for lifting by crane heavy mail sometimes.But simultaneously, according to the bulk statistics result, the weight of most freight containers is at 15t~20t, and the demand that satisfies big elevating capacity simply can cause the rising of reactive volt-amperes, causes the waste of overall system resources.Thus, be to adapt to future development and harbour user's request, need that exploitation is a kind of both can satisfy the big elevating capacity demand, also can satisfy the demand of the conventional hoisting capacity of frequent use, take into account the lifting mechanism that reasonable resources is effectively utilized simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in traditional lifting mechanism, provide a kind of novel container bank bridge two hoisting systems, both can satisfy the big elevating capacity demand, also can satisfy the demand of the conventional hoisting capacity of frequent use, and take into account reasonable resources simultaneously and effectively utilize.
For achieving the above object, the present invention has adopted following technical scheme:
This Quayside container crane double hoist system comprises the two drum mechanism built of single drop-gear box and two drop-gear box single drum mechanisms and magnetic clutch, two motors, the two drum mechanism built of described single drop-gear box drive a drop-gear box by this two motors by drg, two reels of this drop-gear box control; Two drop-gear boxs of described pair of drop-gear box single drum mechanism are also driven respectively by drg by this two motors, a reel of these two two drop-gear box single drum mechanisms of drop-gear box control;
Described magnetic clutch lays respectively at the junction of above-mentioned two motors and above-mentioned two mechanisms.
In the two drum mechanism built of described single drop-gear box, two motors is connected on the same drop-gear box by drg, two reels about a drop-gear box connects simultaneously.
In the described pair of drop-gear box single drum mechanism, two motors connects a drop-gear box respectively by drg respectively, about two drop-gear boxs be connected to simultaneously on the reel.
Described magnetic clutch is the normally closed structure.
In technique scheme of the present invention, this Quayside container crane double hoist system, comprise the two drum mechanism built of single drop-gear box and two drop-gear box single drum mechanism and magnetic clutch, two motors, the two drum mechanism built of described single drop-gear box are driven by this two motors with two drop-gear box single drum mechanisms, control the break-make of above-mentioned two drum mechanism built and two motors by magnetic clutch.The present invention has gathered the characteristics of two kinds of lifting mechanisms commonly used at present, and the two drum mechanism built of single drop-gear box are mainly used in the bigger occasion of hoisting capacity; And two drop-gear box single drum mechanism is mainly used in the occasion of little hoisting capacity, both can also can unite the action that hoists separately, thereby improve handling efficiency greatly; Simultaneously in the different schemes that hoists, the weight that the suspender of outfit and suspender are put on the shelf can be different, thereby effectively reduce reactive volt-amperes, the level of resources utilization of raising equipment, energy savings has increased the Scheme Selection that hoists simultaneously, has improved usage ratio of equipment.
Description of drawings
Fig. 1 is the two reel hoisting system scheme drawings of traditional single drop-gear box.
Fig. 2 is a traditional double drop-gear box single drum hoisting system scheme drawing.
Fig. 3 is a Quayside container crane double hoist system structural representation of the present invention.
The specific embodiment
In order to understand technique scheme of the present invention better, describe in detail further below in conjunction with drawings and Examples.
Please in conjunction with shown in Figure 3, Quayside container crane double hoist system of the present invention comprises the two drum mechanism built 30 of single drop-gear box and two drop-gear box single drum mechanisms 40 and magnetic clutch 50, two motors 31, the two drum mechanism built 30 of described single drop-gear box drive a drop-gear box 33 by this two motors 31 by drg 32, two reels 34 of these drop-gear box 33 controls; Two drop-gear boxs 43 of described pair of drop-gear box single drum mechanism 40 are also driven respectively by drg 42 by this two motors 31, a reel 44 of these two drop-gear box single drum mechanisms 40 of two drop-gear boxs, 43 controls.
Described magnetic clutch 50 lays respectively at the junction of above-mentioned two motors 31 and above-mentioned two mechanisms.
The two drum mechanism built of described single drop-gear box 30 is connected on the same drop-gear box 33 two reels 34 about a drop-gear box 33 connects simultaneously for two motors 31 by drg 32.
The described pair of drop-gear box single drum mechanism 40 is that two motors 31 connects a drop-gear box 43 by drg 42 respectively, about two drop-gear boxs 43 be connected to simultaneously on the reel 44.
Described magnetic clutch 50 is the normally closed structure, promptly can satisfy the demand in the use, also can satisfy the needs on the safety.The cooperation of the huge advance made on the modern freight container electronic control technology is arranged, can well satisfy the demand of physical device.
Please again in conjunction with shown in Figure 3, this system can also can unite the action that hoists separately, adopts magnetic clutch 50 to be switched on or switched off being connected of electrical motor 31 and single drop-gear box 33 or two drop-gear box 43.
When the freight container of the little weight (below 45t) that hoists independent, can adopt two drop-gear box mechanisms 40 to move, disconnection electrical motor 31 is connected with single drop-gear box 33, because the effect of drg 32, the reel 34 of list drop-gear box mechanism 30 can not rotate, and have only reel 44 in the two drop-gear box mechanism 40 under the drive of electrical motor 31, action hoists.
Otherwise, when hoisting the freight container of independent big elevating capacity (more than 45t), adopt single drop-gear box mechanism 30 to move, the reel 34 that can realize the motionless and single drop-gear box of reel 44 mechanism in two drop-gear box mechanisms 40 is under the drive of electrical motor 31, and action hoists.
Simultaneously, can unite the magnetic clutch 50 on both sides and realize the synchronized operation of two cover mechanisms, thereby realize the two actions that hoist of two-shipper structure, as carry out the operation of following pair of 40 forty equivalent unit 40s of suspender (or Dan Sishi forty equivalent unit 40+two 20 forty equivalent unit 40s or four 20 forty equivalent unit 40s).
All be traditional transmission scheme except that power-transfer clutch in this systems technology, technical requirements is not high.But can improve handling efficiency greatly; Simultaneously in the different schemes that hoists, the weight that the suspender of outfit and suspender are put on the shelf can be different, thereby can effectively reduce reactive volt-amperes, the level of resources utilization of raising equipment, energy savings has increased the Scheme Selection that hoists simultaneously, improves usage ratio of equipment.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.

Claims (4)

1, a kind of Quayside container crane double hoist system,
It is characterized in that:
This system comprises the two drum mechanism built of single drop-gear box and two drop-gear box single drum mechanisms and magnetic clutch, two motors, the two drum mechanism built of described single drop-gear box drive a drop-gear box by this two motors by drg, two reels of this drop-gear box control;
Two drop-gear boxs of described pair of drop-gear box single drum mechanism are also driven respectively by drg by this two motors, a reel of these two two drop-gear box single drum mechanisms of drop-gear box control;
Described magnetic clutch lays respectively at the junction of above-mentioned two motors and above-mentioned two mechanisms.
2, Quayside container crane double hoist system as claimed in claim 1,
It is characterized in that:
In the two drum mechanism built of described single drop-gear box, two motors is connected on the same drop-gear box by drg, two reels about a drop-gear box connects simultaneously.
3, Quayside container crane double hoist system as claimed in claim 1,
It is characterized in that:
In the described pair of drop-gear box single drum mechanism, two motors connects a drop-gear box respectively by drg respectively, about two drop-gear boxs be connected to simultaneously on the reel.
4, Quayside container crane double hoist system as claimed in claim 1,
It is characterized in that:
Described magnetic clutch is the normally closed structure.
CNB2006100271615A 2006-05-31 2006-05-31 Quayside container crane double hoist system Expired - Fee Related CN100448770C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100271615A CN100448770C (en) 2006-05-31 2006-05-31 Quayside container crane double hoist system

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Application Number Priority Date Filing Date Title
CNB2006100271615A CN100448770C (en) 2006-05-31 2006-05-31 Quayside container crane double hoist system

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CN1857983A CN1857983A (en) 2006-11-08
CN100448770C true CN100448770C (en) 2009-01-07

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973489B (en) * 2010-09-29 2012-04-18 上海海事大学 Double-lifting bridge crane control system with image sensor and control method
CN106586862B (en) * 2017-01-04 2019-01-11 桂林航天工业学院 A kind of double roller cylinder maneuvering milling machine with tension take-up and limit square function
CN106976814A (en) * 2017-05-10 2017-07-25 河南新科起重机股份有限公司 The lifting mechanism and crane of crane

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09267987A (en) * 1996-03-29 1997-10-14 Ishikawajima Harima Heavy Ind Co Ltd Drive mechanism of container crane for wharf
CN1318507A (en) * 2001-05-25 2001-10-24 太原重型机械(集团)有限公司 Lift mechanism for crane and its steel cable winding method
CN1448331A (en) * 2002-03-29 2003-10-15 上海振华港口机械(集团)股份有限公司 Differential compensating gantry crane
CN1448330A (en) * 2002-03-29 2003-10-15 上海振华港口机械(集团)股份有限公司 Differential trolley container crane
CN1475430A (en) * 2003-07-11 2004-02-18 太原重型机械(集团)有限公司 Lifting mechanism for casting crane
CN1579916A (en) * 2003-07-30 2005-02-16 上海振华港口机械(集团)股份有限公司 Container crane capable of lifting dual 40 feet box

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09267987A (en) * 1996-03-29 1997-10-14 Ishikawajima Harima Heavy Ind Co Ltd Drive mechanism of container crane for wharf
CN1318507A (en) * 2001-05-25 2001-10-24 太原重型机械(集团)有限公司 Lift mechanism for crane and its steel cable winding method
CN1448331A (en) * 2002-03-29 2003-10-15 上海振华港口机械(集团)股份有限公司 Differential compensating gantry crane
CN1448330A (en) * 2002-03-29 2003-10-15 上海振华港口机械(集团)股份有限公司 Differential trolley container crane
CN1475430A (en) * 2003-07-11 2004-02-18 太原重型机械(集团)有限公司 Lifting mechanism for casting crane
CN1579916A (en) * 2003-07-30 2005-02-16 上海振华港口机械(集团)股份有限公司 Container crane capable of lifting dual 40 feet box

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