CN203782767U - Grab dredger and grab machine hoisting mechanism thereof - Google Patents

Grab dredger and grab machine hoisting mechanism thereof Download PDF

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Publication number
CN203782767U
CN203782767U CN201420138126.0U CN201420138126U CN203782767U CN 203782767 U CN203782767 U CN 203782767U CN 201420138126 U CN201420138126 U CN 201420138126U CN 203782767 U CN203782767 U CN 203782767U
Authority
CN
China
Prior art keywords
reel
grab
motor
speed changer
rotating shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420138126.0U
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Chinese (zh)
Inventor
张伟健
蔡志硕
魏富龙
马晓晶
徐林
田金柱
王智伟
乐可维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhenghua Heavy Industries Co Ltd
Original Assignee
Shanghai Zhenghua Heavy Industries Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Zhenghua Heavy Industries Co Ltd filed Critical Shanghai Zhenghua Heavy Industries Co Ltd
Priority to CN201420138126.0U priority Critical patent/CN203782767U/en
Application granted granted Critical
Publication of CN203782767U publication Critical patent/CN203782767U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a grab dredger and a grab machine hoisting mechanism thereof. The grab machine hoisting mechanism comprises a set or multiple sets of driving unit(s), wherein each set of the driving unit comprises a motor, a transmission, a first winding drum and a second winding drum; the input end of the transmission is connected with the transmission shaft of the motor, the rotating shaft of the first winding drum is connected with the output end of the transmission, the drum body of the second winding drum is connected with the rotating shaft of the first winding drum, and the motor is used for conducting coaxial driving on the first winding drum and the second winding drum through the transmission. According to the grab dredger and the grab machine hoisting mechanism thereof, the mounting space of the whole hoisting mechanism can be reduced, and the requirements of single driving, large span and high torque can be met.

Description

Grab dredger and grab claw lifting mechanism thereof
Technical field
The utility model relates to a kind of grab dredger and grab claw lifting mechanism thereof.
Background technology
Closely during the last ten years, the scale of marine dredging and reclamation work is increasing, dredging market is more and more higher to the requirement of the efficiency of dredging plant, cost and energy-saving and emission-reduction, dredging enterprises is also more and more urgent to the demand of large-scale dredging plant, large dredger of new generation, for capturing dredging market, is all being devoted to develop in countries in the world.
For grab dredger, grab claw lifting mechanism is one of them vitals.With reference to figure 1, grab claw lifting mechanism of the prior art mainly comprises motor 11, speed changer 12 and a reel 13, wherein motor 11 is connected with the input of speed changer 12 by shaft coupling 14, and the output of speed changer 12 is connected with reel 13 by shaft coupling 15.Motor 11 drives speed changer 12 by power transmission shaft, speed changer 12 band movable reels 13, and reel 13 is by the lifting around putting wire rope and drive suspender.
But for large capacity dredge boat, grab claw lifting mechanism needs enough large driving force, adopts the structure shown in Fig. 1, need to occupy larger installing space, and be difficult to realize the requirement of large span and large torque.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of grab dredger and grab claw lifting mechanism thereof, can reduce the installing space of whole lifting mechanism, realizes the requirement of single driving, large span and large torque.
For solving the problems of the technologies described above, the utility model provides a kind of grab claw lifting mechanism, comprises one or more groups driver element, and wherein each group driver element comprises:
Motor;
Speed changer, its input is connected with the power transmission shaft of described motor;
The first reel, its rotating shaft is connected with the output of described speed changer;
The second reel, its cylindrical shell is connected with the rotating shaft of described the first reel;
Wherein, described motor carries out Driven by Coaxial via this speed changer to described the first reel and the second reel.
According to an embodiment of the present utility model, the input of described speed changer is connected with the power transmission shaft of described motor via the first shaft coupling.
According to an embodiment of the present utility model, the rotating shaft of described the first reel is connected with the output of described speed changer via the second shaft coupling.
According to an embodiment of the present utility model, the cylindrical shell of described the second reel is connected with the rotating shaft of described the first reel via bindiny mechanism, and this bindiny mechanism comprises:
Spring bearing, supports the rotating shaft of described the first reel;
The 3rd shaft coupling, the rotating shaft of this first reel is connected with the cylindrical shell of this second reel via the 3rd shaft coupling.
According to an embodiment of the present utility model, this grab claw lifting mechanism also comprises: the bearing that supports described block bearing.
According to an embodiment of the present utility model, on described the first reel and the second reel, be wound with wire rope, this wire rope is connected with suspender, and described motor drives described the first reel and the second reel coaxial rotation via this speed changer, so that sling lifting described in described rope traction.
The utility model also provides a kind of grab dredger, comprises the grab claw lifting mechanism described in above-mentioned any one.
Compared with prior art, the utlity model has following advantage:
The grab claw lifting mechanism of the utility model embodiment comprises one or more groups driver element, wherein in every group of driver element, by same motor, two reels are carried out to Driven by Coaxial, the installing space that reduces whole lifting mechanism with this, is conducive to realize single driving, large span and large torque.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of grab claw lifting mechanism in prior art;
Fig. 2 is the structural representation of one group of driver element in the grab claw lifting mechanism of the utility model embodiment;
Fig. 3 is the local enlarged diagram of driver element in the grab claw lifting mechanism of the utility model embodiment;
Fig. 4 is the front view of the grab dredger of the utility model embodiment;
Fig. 5 is the top view of the grab dredger of the utility model embodiment.
The specific embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail, but should not limit protection domain of the present utility model with this.
The grab claw lifting mechanism of the present embodiment can comprise one group or organize driver element more, and as a preferred embodiment, the quantity of this driver element can be 4 groups, but is not limited to this.
With reference to figure 2, Fig. 2 shows the structure of one group of driver element, and this driver element comprises: motor 21, speed changer 22, the first reel 23 and the second reel 24.Motor 21 can be the motor of various routines, such as direct current generator, alternating current generator etc.; The first reel 23, the second reel 24 can be the reels of various routines; Speed changer 22 can be various suitable speed changers, and it can provide one or more gearratios for you to choose.
Wherein, the power transmission shaft of motor 21 is connected with the input of speed changer 22.Furthermore, the power transmission shaft of this motor 21 can be connected with the input of speed changer 22 via the first shaft coupling 25.The first shaft coupling 25 can be various suitable coupler structures in prior art, and permanent coupling for example, as flange-face coupling, box coupling etc.
The rotating shaft of the first reel 23 is connected with the output of speed changer 22.Furthermore, the rotating shaft of this first reel 23 can be connected with the output of speed changer 22 via the second shaft coupling 26.The second shaft coupling 26 can be various suitable coupler structures in prior art, and permanent coupling for example, as flange-face coupling, box coupling etc.
The cylindrical shell of the second reel 24 is connected with the rotating shaft of the first reel 23, thereby realizes the coaxial rotating of the second reel 24 and the first reel 23.Furthermore, the cylindrical shell of this second reel 24 can be connected with the rotating shaft of the first reel 23 via bindiny mechanism 27.
In conjunction with Fig. 2 and Fig. 3, this bindiny mechanism 27 can comprise spring bearing 272 and the 3rd shaft coupling 271.Wherein, spring bearing 272 supports the rotating shaft of the first reel 23, and the rotating shaft of the first reel 23 is connected with the cylindrical shell of the second reel 24 via the 3rd shaft coupling 271.Spring bearing 272 can be so that the connection between first volume cylinder 23 and the second reel 24 be more firm, make the two can be under the drive of motor 21 coaxial rotation more stably.
Furthermore, spring bearing 272 can also be supported by bearing (not shown), and this bearing for example can be fixed on dredge boat deck, thereby further improves the stability of the first reel 23 and the second reel 24 coaxial rotation.
In addition, on the first reel 23 and the second reel 24, can be wound with wire rope, this wire rope is connected with suspender by pulley, motor 21 drives the first reel 23 and the second reel 24 coaxial rotation via speed changer 22, the first reel 23 rotating and the second reel 24 drive wire rope around putting, thus traction sling lifting.
In addition, this lifting mechanism can also be provided with safety guard, for example hoisting limiter, overspeed protection switch, overburden limiter etc.
By upper, the grab claw lifting mechanism of the present embodiment is by two reels of same driven by motor (the first reel and the second reel) coaxial rotating, thereby can reduce the installing space of lifting mechanism, realize singly drive, large span and large torque.This grab claw lifting mechanism goes for various grab dredgers, is especially more suitable for large-scale grab dredger.
With reference to figure 4 and Fig. 5, Fig. 4 and Fig. 5 are respectively front view and the top view of the grab dredger of the present embodiment.This grab dredger comprises: hull 30; On hull 30, be provided with many group driver elements, every group of driver element comprises motor 21, speed changer 22, the first reel 23 and the second reel 24; On the first reel 23 and the second reel 24, be wound with wire rope 31; Wire rope 31 is connected with suspender 32, and traction suspender 32 is realized lifting.
As a preferred embodiment, on hull 30, be provided with 4 groups of driver elements, the first reel 23 in 4 groups of driver elements and the rotor shaft direction of the second reel 24 are parallel to each other; Motor 21 in 4 groups of driver elements and speed changer 22 are arranged alternately in the left and right sides of hull 30, the left side that namely motor 21 in first group and the 3rd group of driver element and speed changer 22 are arranged on hull 30, and second group and the 4th group is arranged on right side.Adopt above-mentioned layout type, can further reduce the installing space of lifting mechanism, be also convenient to safeguard.
Grab claw lifting mechanism about in grab dredger, please refer to Fig. 1 to Fig. 3 and associated description thereof, repeats no more here.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not within departing from spirit and scope of the present utility model; can make possible change and modification, the scope that therefore protection domain of the present utility model should be defined with the utility model claim is as the criterion.

Claims (7)

1. a grab claw lifting mechanism, is characterized in that, comprises one or more groups driver element, and wherein each group driver element comprises:
Motor;
Speed changer, its input is connected with the power transmission shaft of described motor;
The first reel, its rotating shaft is connected with the output of described speed changer;
The second reel, its cylindrical shell is connected with the rotating shaft of described the first reel;
Wherein, described motor carries out Driven by Coaxial via this speed changer to described the first reel and the second reel.
2. grab claw lifting mechanism according to claim 1, is characterized in that, the input of described speed changer is connected with the power transmission shaft of described motor via the first shaft coupling.
3. grab claw lifting mechanism according to claim 1, is characterized in that, the rotating shaft of described the first reel is connected with the output of described speed changer via the second shaft coupling.
4. grab claw lifting mechanism according to claim 1, is characterized in that, the cylindrical shell of described the second reel is connected with the rotating shaft of described the first reel via bindiny mechanism, and this bindiny mechanism comprises:
Spring bearing, supports the rotating shaft of described the first reel;
The 3rd shaft coupling, the rotating shaft of this first reel is connected with the cylindrical shell of this second reel via the 3rd shaft coupling.
5. grab claw lifting mechanism according to claim 4, is characterized in that, also comprises: the bearing that supports described block bearing.
6. according to the grab claw lifting mechanism described in any one in claim 1 to 5, it is characterized in that, on described the first reel and the second reel, be wound with wire rope, this wire rope is connected with suspender, described motor drives described the first reel and the second reel coaxial rotation via this speed changer, so that sling lifting described in described rope traction.
7. a grab dredger, is characterized in that, comprises the grab claw lifting mechanism described in any one in claim 1 to 6.
CN201420138126.0U 2014-03-25 2014-03-25 Grab dredger and grab machine hoisting mechanism thereof Withdrawn - After Issue CN203782767U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420138126.0U CN203782767U (en) 2014-03-25 2014-03-25 Grab dredger and grab machine hoisting mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420138126.0U CN203782767U (en) 2014-03-25 2014-03-25 Grab dredger and grab machine hoisting mechanism thereof

Publications (1)

Publication Number Publication Date
CN203782767U true CN203782767U (en) 2014-08-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420138126.0U Withdrawn - After Issue CN203782767U (en) 2014-03-25 2014-03-25 Grab dredger and grab machine hoisting mechanism thereof

Country Status (1)

Country Link
CN (1) CN203782767U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103835327A (en) * 2014-03-25 2014-06-04 上海振华重工(集团)股份有限公司 Grab dredger and lifting mechanism of grab machine thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103835327A (en) * 2014-03-25 2014-06-04 上海振华重工(集团)股份有限公司 Grab dredger and lifting mechanism of grab machine thereof

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20140820

Effective date of abandoning: 20160309

C25 Abandonment of patent right or utility model to avoid double patenting