CN204897276U - Grab bucket ship unloaders and grab bucket actuating mechanism - Google Patents
Grab bucket ship unloaders and grab bucket actuating mechanism Download PDFInfo
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- CN204897276U CN204897276U CN201520408022.1U CN201520408022U CN204897276U CN 204897276 U CN204897276 U CN 204897276U CN 201520408022 U CN201520408022 U CN 201520408022U CN 204897276 U CN204897276 U CN 204897276U
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Abstract
The utility model provides a grab bucket actuating mechanism of grab bucket ship unloaders includes: the switching reel for coiling / release switching rope is opened with the realization or closed grab bucket, the switching reel includes first switching reel and second switching reel, lifting winding drum for coiling / release raising line cable is in order to have realized rising or descending the grab bucket, lifting winding drum includes a lifting winding drum and the 2nd lifting winding drum, the power supply for the power of coiling / release is provided to switching reel and/or lifting winding drum, wherein, the power of each reel is provided by independent power supply respectively. Having realized that grab bucket actuating mechanism accessory is standardized, having avoided off -gauge planet differential gear box, what be convenient for to realize each reel accomplishes various operations in coordination. Grab bucket ship unloaders are still disclosed.
Description
Technical field
The present invention relates to ship unloaders field, be specifically related to a kind of grab bucket ship unloader and a kind of grab bucket driver train.
Background technology
Grab bucket ship unloader is a kind of special ship unloading equipment be applied on large-scale bulk cargo harbour.Due to it, there is the advantages such as strong adaptability to material and ship type, failure rate is low, quantity of clean-up be little and extensively used.
The ship unloaders of the ship unloaders of existing operation mainly mechanical differential form, make planetary differential reduction device at opening and closing reel and hoisting drum, realize the synchronous axial system between two reels with this.Please refer to Fig. 1, is the driver train of grab bucket ship unloader in prior art, comprises switching mechanism 19 and lifting mechanism 20, and wherein, switching mechanism 19 comprises opening and closing reel I 13 and the opening and closing reel II 14 of homonymy layout; Lifting mechanism 20 comprises hoisting drum I 23 and the hoisting drum II 24 of homonymy layout.In order to realize opening and closing reel I 13 and opening and closing reel II 14 and hoisting drum I 23 and hoisting drum II 24 run-in synchronism, usually by first planet differential speed reducer 6, the opening and closing reel I 13 of the same side and opening and closing reel II 14 are connected to opening and closing motor 3,4, by the second planetary differential reduction device 12, the hoisting drum I 23 of the same side and hoisting drum II 24 are connected to lifting motor 10 or 11.In addition, the dolly delivering grab bucket in ship unloaders also needs vehicle motor TM to be connected driving by first planet differential speed reducer 6 with the second planetary differential reduction device 12 and dolly adapter shaft 7.
Therefore, for guaranteeing the normal operation of ship unloaders, usually two nonstandard planetary differential reduction devices to be customized for the driver train of grab bucket ship unloader, bulky due to planetary differential reduction device, cost of manufacture is higher, and planetary differential reduction device is non-standard equipment, is difficult to adopt gauge member to substitute, brings inconvenience to the maintenance in later stage.In addition, bulky planetary differential reduction device limits the space for maintenance of maintainer, when equipment breaks down, is unfavorable for that maintainer overhauls.
Summary of the invention
For this reason, for realizing grab bucket driver train accessory normalisation, and the reel realizing homonymy can run-in synchronism, and the application provides a kind of grab bucket ship unloader and a kind of grab bucket driver train, can run-in synchronism with the reel being realized homonymy by gauge member, be beneficial to substituting of later stage repair and maintenance and accessory.
According to first aspect, a kind of grab bucket driver train of grab bucket ship unloader is provided in a kind of embodiment, comprises:
Opening and closing reel, for winding/release opening and closing rope to realize closure or openness grab bucket, described opening and closing reel comprises the first opening and closing reel and the second opening and closing reel; Hoisting drum, hoist rope to realize hoisting or the grab bucket that declines for winding/release, described hoisting drum comprises the first hoisting drum and the second hoisting drum; Propulsion source, for providing the power of winding/release to opening and closing reel and/or hoisting drum; Wherein, propulsion source comprises: the first propulsion source, the second propulsion source, the 3rd propulsion source and the 4th propulsion source; First propulsion source, the second propulsion source, the 3rd propulsion source and the 4th propulsion source are connected to the first opening and closing reel, the second opening and closing reel, the first hoisting drum and the second hoisting drum respectively, for providing power independently respectively to each reel.
Further, the first opening and closing reel and the first hoisting drum are positioned at the same side, and the second opening and closing reel and the second hoisting drum are positioned at the same side; Can be disconnected by first clutch between first opening and closing reel and the first hoisting drum; Can be disconnected by second clutch between second opening and closing reel and the second hoisting drum; And the first opening and closing reel and the second opening and closing reel diagonal angle are arranged; First hoisting drum and the second hoisting drum diagonal angle are arranged.
Further, the first propulsion source comprises: for independent the first power plant producing power; First drop-gear box, is mechanically attached between the first opening and closing reel and the first power plant, by transmission of power to the first opening and closing reel that the first power plant produces; Second propulsion source comprises: for independent the second power plant producing power; Second drop-gear box, is mechanically attached between the second opening and closing reel and the second power plant, by transmission of power to the second opening and closing reel that the second power plant produces; 3rd propulsion source comprises: for independent the 3rd power plant producing power; 3rd drop-gear box, is mechanically attached between the first hoisting drum and the 3rd power plant, by transmission of power to the first hoisting drum that the 3rd power plant produces; 4th propulsion source comprises: for independent the 4th power plant producing power; 4th drop-gear box, is mechanically attached between the second hoisting drum and the 4th power plant, by transmission of power to the second hoisting drum that the 4th power plant produces.
Preferably, the first drop-gear box and the 3rd drop-gear box can be disconnected by first clutch, can be disconnected between the first opening and closing reel and the first hoisting drum by first clutch; Second drop-gear box and the 4th drop-gear box can be disconnected by second clutch, can be disconnected between the second opening and closing reel and the second hoisting drum by second clutch.
Further, the first drop-gear box is connected to first clutch by the first adapter shaft; 3rd drop-gear box is connected to first clutch by the 3rd adapter shaft; Second drop-gear box is connected to second clutch by the second adapter shaft; 4th drop-gear box is connected to second clutch by the 4th adapter shaft.
Preferably, first clutch and second clutch are magnetic clutch.
Further, grab bucket hoist or down maneuver time, first clutch and second clutch engage respectively, the first opening and closing reel and the first hoisting drum and the second opening and closing reel and the second hoisting drum synchronous axial system; When parallel motion is grabbed bucket, first clutch and second clutch engage respectively, the first opening and closing reel and the first hoisting drum synchronous axial system, the second opening and closing reel and the second hoisting drum synchronous axial system; And the rotation direction of the second opening and closing reel and the second hoisting drum is contrary with the first hoisting drum synchronous axial system direction with the first opening and closing reel.
According to second aspect, provide a kind of grab bucket ship unloader in a kind of embodiment, comprising:
Grab bucket; The dolly of delivery grab bucket; Above-mentioned grab bucket driver train, grab bucket driver train is connected to grab bucket and dolly by opening and closing rope and the rope that hoists.
According to grab bucket ship unloader and the grab bucket driver train thereof of above-described embodiment, because each reel adopts the first propulsion source, the second propulsion source, the 3rd propulsion source and the 4th propulsion source separately to provide power, avoid substandand planet differential case, be convenient to realize the collaborative of each reel and complete various operation.
In addition, the joint/dialysis of first clutch and/or second clutch is being coordinated can to realize synchronous/independent running of reel to complete grab bucket operation.
In addition, the first opening and closing reel and the first hoisting drum are positioned at the same side, and can be disconnected by first clutch; Second opening and closing reel and the second hoisting drum are positioned at the same side, and can be disconnected by second clutch, achieve grab bucket driver train accessory normalisation, and make the reel of homonymy can run-in synchronism, reduce the synchronous error of reel in synchronous operation.
According to the grab bucket ship unloader of above-described embodiment, owing to have employed above-mentioned grab bucket driver train, under the joint/dialysis of first clutch and/or second clutch, each reel can be realized synchronously or separately reel to opening and closing rope and the rope that hoists/discharge, thus the operation being completed dolly movement by reel can be realized, avoid as dolly configures propulsion source separately.
Accompanying drawing explanation
Fig. 1 is the driving machine composition of grab bucket ship unloader in prior art;
Fig. 2 is a kind of grab bucket ship unloader complete machine structure schematic diagram disclosed in the present embodiment;
The schematic perspective view of Fig. 3 a kind of driver train of grabbing bucket disclosed in the present embodiment;
The schematic plan view of Fig. 4 a kind of driver train of grabbing bucket disclosed in the present embodiment;
Fig. 5 is the driving schematic diagram of the present embodiment first opening and closing reel.
Detailed description of the invention
By reference to the accompanying drawings the present invention is described in further detail below by detailed description of the invention.
Please refer to Fig. 2, a kind of grab bucket ship unloader complete machine structure schematic diagram disclosed in the present embodiment, comprise: the dolly D2 of grab bucket driver train D1, grab bucket D3 and delivery grab bucket D3, wherein, grab bucket D3 is connected to the hoisting drum in dolly D2 and grab bucket driver train D1 successively by the rope D4 that hoists; Grab bucket D3 is also connected to the opening and closing reel in dolly D2 and grab bucket driver train D1 successively by opening and closing rope D5.In a particular embodiment, the hoisting drum in grab bucket driver train D1 realizes the movement of dolly by winding/release rope D4 that hoists, thus drives grab bucket D3 to move; Opening and closing reel in grab bucket driver train D1 realizes the opening and closing of grab bucket D3 by winding/release opening and closing rope D5.
In a preferred embodiment, be also provided with a pair lifting pulley group D61, this pair lifting pulley group D61 is separately positioned on the both sides of grab bucket driver train D1, particularly, fixes this pair lifting pulley group D61 respectively by beam column etc.; The rope D4 that hoists connecting grab bucket driver train D1, dolly D2 and grab bucket D3 can bypass this pair lifting pulley group D61, the transmission of the rope D4 pulling force that then realizes hoisting.Certainly, also can arrange a pair opening and closing assembly pulley D62, this pair opening and closing assembly pulley D62 is also separately positioned on the both sides of grab bucket driver train D1 and fixes this pair opening and closing assembly pulley D62 respectively by beam column etc.; The opening and closing rope D5 connecting grab bucket driver train D1, dolly D2 and grab bucket D3 can bypass this pair opening and closing assembly pulley D62, then realizes the transmission of opening and closing rope D5 pulling force.It should be noted that, in a preferred embodiment, the lifting pulley and the opening and closing pulley that are positioned at the same side can be fixed on same beam column.It should be noted that, horizontal throw L between lifting pulley group D61 (opening and closing assembly pulley D62) can be arranged according to the reciprocating horizontal throw of dolly D2, the whole range distance of horizontal direction single-way moving when the horizontal throw L namely between lifting pulley group D61 (opening and closing assembly pulley D62) should be not less than dolly D2 operation.
In a particular embodiment, please refer to Fig. 3 and Fig. 4, be respectively schematic perspective view and the schematic plan view of the grab bucket driver train of a kind of grab bucket ship unloader disclosed in the present embodiment, this grab bucket driver train comprises: the opening and closing reel of grabbing bucket with closure or openness for the opening and closing rope D5 that reels/discharge, and opening and closing reel comprises the first opening and closing reel 110 and the second opening and closing reel 120; The rope D4 that hoists for reeling/discharging hoists or the hoisting drum of grabbing bucket that declines, and hoisting drum comprises the first hoisting drum 210 and the second hoisting drum 220; Propulsion source, for providing the power of winding/release to opening and closing reel and/or hoisting drum.
In the present embodiment, the first opening and closing reel 110 and the first hoisting drum 210 are positioned at the same side, such as, near the side (side, river) of Jiang Hai; Second opening and closing reel 120 and the second hoisting drum 220 are positioned at the same side, such as by juxtaterrestrial side (side, land).Namely arrange an opening and closing reel and a hoisting drum in side, river, also arrange an opening and closing reel and a hoisting drum, preferably, please refer to Fig. 3 and Fig. 4 in side, land, the first opening and closing reel 110 and the second opening and closing reel 120 diagonal angle are arranged; First hoisting drum 210 and the second hoisting drum 220 diagonal angle are arranged.In order to the reel realizing the same side can run-in synchronism, in the present embodiment, can be disconnected by first clutch 310 (not shown in Fig. 3) between the first opening and closing reel 110 and the first hoisting drum 210; Can be disconnected by second clutch 320 between second opening and closing reel 120 and the second hoisting drum 220.Thus, when being engaged by first clutch 310, the first opening and closing reel 110 and the first hoisting drum 210 run-in synchronism can be ensured; Similarly, when being engaged by second clutch 320, the second opening and closing reel 120 and the second hoisting drum 220 run-in synchronism can be ensured.Certainly, when by first clutch 310, second clutch 320 dialysis, then the first opening and closing reel 110 and the first hoisting drum 210 or the second opening and closing reel 120 and the second hoisting drum 220 independent operation, not by constraint each other.
Can independent operation for realizing the first opening and closing reel 110, first hoisting drum 210, second opening and closing reel 120 and the second hoisting drum 220, in the present embodiment disclosed grab bucket driver train, each reel preferably adopt independently propulsion source to provide power driven.Particularly, propulsion source comprises: the first propulsion source 410, second propulsion source 420, the 3rd propulsion source 430 and the 4th propulsion source 440, first propulsion source 410, second propulsion source 420, the 3rd propulsion source 430 and the 4th propulsion source 440 are connected to the first opening and closing reel 110, second opening and closing reel 120, first hoisting drum 210 and the second hoisting drum 220 respectively, for providing power independently respectively to each reel.
In a particular embodiment, as long as the first propulsion source 410, second propulsion source 420, the 3rd propulsion source 430 and the 4th propulsion source 440 can drive each self-corresponding spool turns.Usually, propulsion source is often made up of drop-gear box and power plant, particularly,
First propulsion source 410 comprises: for independent the first power plant 411 and the first drop-gear box 412 producing power, first drop-gear box 412 is mechanically attached between the first opening and closing reel 110 and the first power plant 411, transmission of power to the first opening and closing reel 110 that the first power plant 411 produces by the first drop-gear box 412.
Second propulsion source 420 comprises: for independent the second power plant 421 and the second drop-gear box 422 producing power, second drop-gear box 422 is mechanically attached between the second opening and closing reel 120 and the second power plant 421, transmission of power to the second opening and closing reel 120 produced by the second power plant 421.
3rd propulsion source 430 comprises: for independent the 3rd power plant 431 and the 3rd drop-gear box 432 that produce power, 3rd drop-gear box 432 is mechanically attached between the first hoisting drum 210 and the 3rd power plant 431, by transmission of power to the first hoisting drum 210 that the 3rd power plant 431 produces.
4th propulsion source 440 comprises: for independent the 4th power plant 441 and the 4th drop-gear box 442 that produce power, 4th drop-gear box 442 is mechanically attached between the second hoisting drum 220 and the 4th power plant 441, by transmission of power to the second hoisting drum 220 that the 4th power plant 441 produces.
In a particular embodiment, first power plant 411, second power plant 421, the 3rd power plant 431 and the 4th power plant 441 can adopt existing independently power generation device, for example motor, preferably can the variable-frequency motor of rotating, to realize providing to each reel the power rotated and reverse.Preferably, the first power plant 411, second power plant 421, the 3rd power plant 431 are identical with the model of the 4th power plant 441; Equally preferably the first drop-gear box 412, second drop-gear box 422, the 3rd drop-gear box 432 are identical with the model of the 4th drop-gear box 442.So, when needs synchronously drive reel, synchronous degree can be improved better.
In a preferred embodiment, the first drop-gear box 412 and the 3rd drop-gear box 432 can be disconnected by first clutch 310, to realize can being disconnected between the first opening and closing reel 110 and the first hoisting drum 210 by first clutch 310.Particularly, the first drop-gear box 412 can be connected to first clutch 310 by the first adapter shaft 311, and the 3rd drop-gear box 432 is connected to first clutch 310 by the 3rd adapter shaft 313.
Second drop-gear box 422 and the 4th drop-gear box 442 can be disconnected by second clutch 320, to realize can being disconnected between the second opening and closing reel 120 and the second hoisting drum 220 by second clutch 320.Particularly, the second drop-gear box 422 is connected to second clutch 320 by the second adapter shaft 322, and the 4th drop-gear box 442 is connected to second clutch 320 by the 4th adapter shaft 324.
First clutch 310 and second clutch 320 can be can realize joint/dialysis arbitrarily, such as magnetic-powder clutch, fluid clutch etc., be preferably magnetic clutch, to realize first clutch 310 and the control of second clutch 320 electric signal, be beneficial to automatic control.First clutch 310 and second clutch 320, when engaging respective reel, should preferably be rigidly connected.
To drive for the first opening and closing reel 110 for ease of it will be appreciated by those skilled in the art that, please refer to Fig. 5, is the driving schematic diagram of the present embodiment first opening and closing reel 110.First power plant 411 (such as motor) is connected to the input shaft of the first drop-gear box 412 by coupler 100; First drop-gear box 412 inside forms two output shafts by gears meshing, and wherein, an output shaft is connected to the first opening and closing reel 110, and another output shaft is connected to first clutch 310 by the first adapter shaft 311.Under the gears meshing effect of the first drop-gear box 412 inside, the rotating speed that can realize two output shafts of the first drop-gear box 412 is consistent.The mechanical connection manner of the second opening and closing reel 120, first hoisting drum 210 and the second hoisting drum 220 and driving principle are identical with the first opening and closing reel 110, do not repeat them here.
Please refer to Fig. 2, Fig. 4 and Fig. 5, hereafter the working process of grab bucket ship unloader disclosed in the present embodiment and grab bucket driver train thereof is explained.
Grab bucket D3 hoist/down maneuver time (opened/closed of not grabbing bucket, dolly D2 transfixion): need the first opening and closing reel 110, first hoisting drum 210 and the second opening and closing reel 120, second hoisting drum 220 synchronous axial system, run with identical speed winding or release rope, now, engaged respectively by automatically controlled programming control first clutch 310 and second clutch 320, and control each motor and rotate with identical speed, so, the synchronous axial system of each reel can be realized.
When being realized the parallel motion action of grabbing bucket by dolly parallel motion, (grab bucket end hoists decline, grab bucket does not perform opened/closed action): also need the first opening and closing reel 110, first hoisting drum 210 and the second opening and closing reel 120, second hoisting drum 220 synchronous axial system, similarly, also need to be engaged by automatically controlled programming control first clutch 310 and second clutch 320, and control each motor and rotate with identical speed; Unlike, the first opening and closing reel 110 near side, river and the first hoisting drum 210 run by suitable winding or release direction, and the second opening and closing reel 120 near side, land and the second hoisting drum 220 then run with contrary direction.
When opened/closed is grabbed bucket, the first opening and closing reel 110 and the second opening and closing reel 120 rotate backward, and certainly, its speed of rotating should be preferably identical.
When grab bucket closes well, when needing to move grab bucket and main carriage, first clutch 310 and second clutch 320 dialysis, each reel distributes different speed to reel by control system or discharges, the movement of collaborative grab bucket and main carriage simultaneously.
Because each reel have employed independently electric machine control separately, so the independence that can realize each drum speed controls, reel due to the same side have employed the connection of power-transfer clutch, when power-transfer clutch engages, under the effect of the suction-combining force of power-transfer clutch, make the reel being positioned at the same side well synchronously, and the nonsynchronous deviation accumulation of rotating speed can be eliminated.When power-transfer clutch dialysis, each reel just can independent operation, collaboratively performs other operation.
Adopt magnetic clutch to replace the reel of differential planet gear drop-gear box connection homonymy in the grab bucket driver train of the present embodiment, achieve accessory normalisation in grab bucket driver train, be beneficial to follow-up maintenance and replacement.In addition, relative to the mode of two differential planet gear drop-gear boxs transmission in prior art, the running of modulation reel, the present embodiment adopts the accurate drop-gear box of four station symbols to carry out transmission to four reels respectively, makes transmission device more light, save customization cost, and reach energy-conservation effect; Independent layout drives reel, can strengthen space for maintenance, easy access.
More than applying specific case to set forth the present invention, just understanding the present invention for helping, not in order to limit the present invention.For those skilled in the art, according to thought of the present invention, some simple deductions, distortion or replacement can also be made.
Claims (9)
1. a grab bucket driver train for grab bucket ship unloader, comprising:
Opening and closing reel, for winding/release opening and closing rope to realize closure or openness grab bucket, described opening and closing reel comprises the first opening and closing reel (110) and the second opening and closing reel (120);
Hoisting drum, hoist rope to realize hoisting or the grab bucket that declines for winding/release, described hoisting drum comprises the first hoisting drum (210) and the second hoisting drum (220);
Propulsion source, for providing the power of winding/release to described opening and closing reel and/or described hoisting drum;
It is characterized in that,
Described propulsion source comprises: the first propulsion source, the second propulsion source, the 3rd propulsion source and the 4th propulsion source;
First propulsion source, the second propulsion source, the 3rd propulsion source and the 4th propulsion source are connected to the first opening and closing reel (110), the second opening and closing reel (120), the first hoisting drum (210) and the second hoisting drum (220) respectively, for providing power independently respectively to each reel.
2. to grab bucket as claimed in claim 1 driver train, it is characterized in that,
Described first opening and closing reel (110) and described first hoisting drum (210) are positioned at the same side, and described second opening and closing reel (120) and described second hoisting drum (220) are positioned at the same side;
Can be disconnected by first clutch between described first opening and closing reel (110) and described first hoisting drum (210); Can be disconnected by second clutch between described second opening and closing reel (120) and described second hoisting drum (220);
And described first opening and closing reel (110) and described second opening and closing reel (120) diagonal angle are arranged; Described first hoisting drum (210) and described second hoisting drum (220) diagonal angle are arranged.
3. to grab bucket as claimed in claim 1 driver train, it is characterized in that,
Described first propulsion source comprises:
For independent the first power plant producing power;
First drop-gear box, is mechanically attached between the first opening and closing reel (110) and the first power plant, by transmission of power to the first opening and closing reel (110) that the first power plant produces;
Described second propulsion source comprises:
For independent the second power plant producing power;
Second drop-gear box, is mechanically attached between the second opening and closing reel (120) and the second power plant, by transmission of power to the second opening and closing reel (120) that the second power plant produces;
Described 3rd propulsion source comprises:
For independent the 3rd power plant producing power;
3rd drop-gear box, is mechanically attached between the first hoisting drum (210) and the 3rd power plant, by transmission of power to the first hoisting drum (210) that the 3rd power plant produces;
Described 4th propulsion source comprises:
For independent the 4th power plant producing power;
4th drop-gear box, is mechanically attached between the second hoisting drum (220) and the 4th power plant, by transmission of power to the second hoisting drum (220) that the 4th power plant produces.
4. to grab bucket as claimed in claim 3 driver train, it is characterized in that,
Described first drop-gear box and described 3rd drop-gear box can be disconnected by first clutch, can be disconnected between the first opening and closing reel (110) and the first hoisting drum (210) by first clutch;
Described second drop-gear box and described 4th drop-gear box can be disconnected by second clutch, can be disconnected between the second opening and closing reel (120) and the second hoisting drum (220) by second clutch.
5. to grab bucket as claimed in claim 4 driver train, it is characterized in that,
First drop-gear box is connected to first clutch by the first adapter shaft;
3rd drop-gear box is connected to first clutch by the 3rd adapter shaft;
Second drop-gear box is connected to second clutch by the second adapter shaft;
4th drop-gear box is connected to second clutch by the 4th adapter shaft.
6. the grab bucket driver train as described in claim 2-5 any one, is characterized in that,
First clutch and second clutch are magnetic clutch.
7. the grab bucket driver train as described in claim 2-5 any one, is characterized in that,
Grab bucket hoist or down maneuver time, first clutch and second clutch engage respectively, the first opening and closing reel and the first hoisting drum and the second opening and closing reel and the second hoisting drum synchronous axial system;
When parallel motion is grabbed bucket, first clutch and second clutch engage respectively, the first opening and closing reel and the first hoisting drum synchronous axial system, the second opening and closing reel and the second hoisting drum synchronous axial system; And the rotation direction of the second opening and closing reel and the second hoisting drum is contrary with the first hoisting drum synchronous axial system direction with the first opening and closing reel.
8. a grab bucket ship unloader, is characterized in that, comprising:
Grab bucket (D3);
The dolly (D2) of delivery grab bucket (D3);
Grab bucket driver train (D1) as described in claim 1-7 any one, grab bucket driver train (D1) is connected to grab bucket (D3) and dolly (D2) by opening and closing rope and the rope that hoists.
9. grab bucket ship unloader as claimed in claim 8, is characterized in that, also comprise:
A pair lifting pulley group (D61), a pair opening and closing assembly pulley (D62);
Lifting pulley group (D61) is arranged on the both sides of grab bucket driver train (D1), and the rope that hoists (D4) is walked around this pair lifting pulley group (D61) and connected grab bucket (D3) and dolly (D2);
Opening and closing assembly pulley (D62) is arranged on the both sides of grab bucket driver train (D1), and opening and closing rope (D5) is walked around this pair opening and closing assembly pulley (D62) and connected grab bucket (D3) and dolly (D2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408022.1U CN204897276U (en) | 2015-06-12 | 2015-06-12 | Grab bucket ship unloaders and grab bucket actuating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408022.1U CN204897276U (en) | 2015-06-12 | 2015-06-12 | Grab bucket ship unloaders and grab bucket actuating mechanism |
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| CN204897276U true CN204897276U (en) | 2015-12-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957009A (en) * | 2017-05-12 | 2017-07-18 | 上海海事大学 | A kind of electrical differential ship unloaders position detecting device |
| CN107200278A (en) * | 2017-07-12 | 2017-09-26 | 武汉理工大学 | The single arm support crane luffing horizontal displacement system of differential compensation |
| CN108373105A (en) * | 2018-04-28 | 2018-08-07 | 上海振华重工(集团)股份有限公司 | Bridge-type four winding drum grab type ship unloaders electrical differential system |
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2015
- 2015-06-12 CN CN201520408022.1U patent/CN204897276U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957009A (en) * | 2017-05-12 | 2017-07-18 | 上海海事大学 | A kind of electrical differential ship unloaders position detecting device |
| CN106957009B (en) * | 2017-05-12 | 2018-07-31 | 上海海事大学 | A kind of electrical differential ship unloaders position detecting device |
| CN107200278A (en) * | 2017-07-12 | 2017-09-26 | 武汉理工大学 | The single arm support crane luffing horizontal displacement system of differential compensation |
| CN108373105A (en) * | 2018-04-28 | 2018-08-07 | 上海振华重工(集团)股份有限公司 | Bridge-type four winding drum grab type ship unloaders electrical differential system |
| CN108373105B (en) * | 2018-04-28 | 2019-09-06 | 上海振华重工(集团)股份有限公司 | Bridge-type four winding drum grab type ship unloaders electrical differential system |
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