CN204057826U - Four winding drum grab bucket ship unloader reel single action changes rope system - Google Patents
Four winding drum grab bucket ship unloader reel single action changes rope system Download PDFInfo
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- CN204057826U CN204057826U CN201420538190.8U CN201420538190U CN204057826U CN 204057826 U CN204057826 U CN 204057826U CN 201420538190 U CN201420538190 U CN 201420538190U CN 204057826 U CN204057826 U CN 204057826U
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- Prior art keywords
- grab bucket
- motor
- reel
- trolley travelling
- planetary differential
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Abstract
The utility model discloses a kind of four winding drum grab bucket ship unloader reel single action and change rope system, trolley travelling motor has two output shafts, and two output shafts are connected with two tween drive shafts respectively by arrangement of clutch; Two tween drive shafts are connected with two planetary differential reduction devices respectively by coupler; Trolley travelling motor, grab bucket lifting motor and grab bucket opening and closing motor all adopt variable-frequency motor.Change rope system when stopping braking mode, the non-arrangement of clutch changing the required single action reel side of rope of artificial disconnection, by rotating speed and the hand of rotation of control trolley travelling motor, grab bucket lifting motor/grab bucket opening and closing motor, utilize the differential principle of planetary differential reduction device, make the synthesis rotating speed of the reel be arranged on same planetary differential reduction device be zero, another reel rotates with certain synthesis rotating speed.The utility model is easy to operate, it is short and reduce cost to change the rope time.
Description
Technical field
The utility model relates to grab bucket ship unloader field, is specially a kind of four winding drum grab bucket ship unloader reel single action and changes rope system.
Background technology
Along with the development of harbour machinery, four winding drum grab bucket ship unloader had almost occupied all new markets in recent years.Ship unloaders steel rope is consumable accessory, changes maintenance workload larger.
In order to more change steel rope, need the some reels of single action, and keep all the other reels motionless, in order to solve the problem of planetary differential four winding drum grab bucket ship unloader four reel single movements, normally adopt and on every reel, plate disc brake is installed reel is fixed, or on reel disc, process concentric holes, by bearing pin M/C, reel is fixed, utilize planetary differential reduction device multiple degree of freedom principle to realize certain reel single movement.
Above two schemes, according to plate disc brake, because of on slow-speed shaft, needs lock torque comparatively large, brings drg purchase cost higher, and large to space requirement, indirectly makes planetary reduction gear width between centers become large.Fix according to bearing pin, need to operate at reel trailing space, but in order to meet deflection angle of rope needs, ship unloaders type determines that reel is as far as possible close to centre, like this, it is very little that mechanism characteristics determines its reel trailing space, to the M/C difficulty of bearing pin, and needs progressively to adjust during length adjustment after changing rope, frequent operation is larger to manpower consumption.
Therefore, develop a kind of energy to realize four winding drum grab bucket ship unloader reel single action time saving and energy savingly and change the technical barrier that rope system becomes urgently to be resolved hurrily.
Summary of the invention
For four winding drum grab bucket ship unloader in prior art, the utility model realizes that reel single action changes that the cost that rope needs is high, large to space requirement, operating difficulties and the problem large to manpower consumption, develops a kind of four winding drum grab bucket ship unloader reel single action and changes rope system.The utility model adopts and is arranged between two planetary differential reduction devices by trolley travelling motor, and is connected with the two by arrangement of clutch; Trolley travelling motor, grab bucket lifting motor and grab bucket opening and closing motor all adopt variable-frequency motor to realize stepless frequency control; By rotating speed and the hand of rotation of control trolley travelling motor, grab bucket lifting motor/grab bucket opening and closing motor, the differential principle of planetary differential reduction device is utilized to make two spool velocity differences mounted thereto, realize a reel static, another reel single action, reel single action can be realized and change rope.
Technological means of the present utility model is as follows:
A kind of four winding drum grab bucket ship unloader reel single action changes rope system, comprises electric-control system, trolley travelling motor, arrangement of clutch, tween drive shaft, two planetary differential reduction devices, grab bucket lifting motor, grab bucket opening and closing motor and four reels; Described trolley travelling motor, grab bucket lifting motor and grab bucket opening and closing motor all adopt variable-frequency motor; Described planetary differential reduction utensil has two input shafts, one of them input shaft connects trolley travelling motor, another input shaft connects grab bucket lifting motor/grab bucket opening and closing motor, described planetary differential reduction utensil has two planet bags, pinion carrier and the reel of planet bag are rigidly connected, and drive spool turns; It is characterized in that:
Described trolley travelling motor has two output shafts, and two output shafts are connected with two tween drive shafts respectively by arrangement of clutch; Two described tween drive shafts are connected with two planetary differential reduction devices respectively by coupler.
Trolley travelling motor is arranged between two planetary differential reduction devices, and by disconnecting the arrangement of clutch of side, and the planetary differential reduction device not affecting trolley travelling driven by motor opposite side runs; Trolley travelling motor, grab bucket lifting motor/grab bucket opening and closing motor all adopt variable-frequency motor, can realize stepless frequency control; By rotating speed and the hand of rotation of control trolley travelling motor, grab bucket lifting motor/grab bucket opening and closing motor, the differential principle of planetary differential reduction device is utilized to make two spool velocity differences mounted thereto, realize a reel geo-stationary, another reel single action, can realize reel single action and change rope.
Complete reel single action to change rope and comprise the following steps:
Step 1: change rope system when stopping braking mode, the non-arrangement of clutch changing the required single action reel side of rope of artificial disconnection;
Step 2: to the reel of single action grab bucket lifting motor side, electric-control system opens the drg of grab bucket lifting motor side, start trolley travelling motor and grab bucket lifting motor, control trolley travelling motor respectively and run with the rotating speed of setting and hand of rotation with grab bucket lifting motor;
To the reel of single action grab bucket opening and closing motor side, electric-control system opens the drg of grab bucket opening and closing motor side, and startup trolley travelling motor and grab bucket opening and closing motor, control trolley travelling motor respectively and opening and closing motor of grabbing bucket runs with the rotating speed set and hand of rotation;
Described trolley travelling motor, grab bucket lifting motor/the rotating speed of grab bucket opening and closing motor and the establishing method of hand of rotation are: first to needing the reel of single action to set a speed alpha, then according to the rotating speed when drive connection of trolley travelling motor and two pinion carriers, the rotating speed when drive connection of grab bucket lifting motor/grab bucket opening and closing motor and two pinion carriers, calculating can make the synthesis rotating speed of required single action reel be α, and another homonymy reel synthesis rotating speed is when being zero, trolley travelling motor and grab bucket lifting motor/grab bucket opening and closing motor speed, determine the hand of rotation relation of trolley travelling motor and grab bucket lifting motor/grab bucket opening and closing motor simultaneously.
Further, described coupler is with drg.
Further, described planetary differential reduction device is 2K-H planetary differential reduction device.
Owing to have employed technique scheme, the four winding drum grab bucket ship unloader reel single action that the utility model provides changes that rope system is apparent to have the following advantages and effect:
1, do not need, on each reel, drg is installed, do not need on reel disc, process concentric holes and utilize bearing pin to fix reel yet, eliminate the auxiliary that design usually needs, reduce cost.
2, solve narrow space, change the problem of rope operating difficulties, easy to operate.
3, it is short to change the rope time, has saved maintenance time, has ensured the work efficiency of ship unloaders.
Accompanying drawing explanation
Fig. 1 is that prior art four winding drum grab bucket ship unloader reel single action changes rope system layout schematic diagram;
Fig. 2 is that the utility model embodiment four winding drum grab bucket ship unloader reel single action changes rope system layout schematic diagram;
Fig. 3 is the utility model embodiment planetary differential reduction device constructional drawing.
In figure: 1 (1 '), trolley travelling motor, 2 (2 '), arrangement of clutch, 3 (3 '), planetary differential reduction device, 31, sun wheel, 32, pinion carrier, 33, reel input shaft, 34, external toothing, 35, trolley travelling motor input shaft, 36, grab bucket hoists/opening and closing motor input shaft, and 37, deboost axle, 4 (4 '), grab bucket lifting motor, 5 (5 '), grab bucket opening and closing motor, 6 (6 '), reel, 7, tween drive shaft, 8, coupler, 9 (9 '), drg, 10 (10 '), reel pedestal.
Detailed description of the invention
Four winding drum grab bucket ship unloader reel single action of the prior art changes rope system as shown in Figure 1, and trolley travelling motor 1 ' is arranged on the outside of one of them planetary differential reduction device 3 ', and arrangement of clutch 2 ' is arranged on the inner side of another planetary differential reduction device 3 '.
The four winding drum grab bucket ship unloader reel single action being illustrated in figure 2 the utility model embodiment changes rope system, comprises electric-control system, trolley travelling motor 1, arrangement of clutch 2, tween drive shaft 7, two planetary differential reduction devices 3, grab bucket lifting motor 4, grab bucket opening and closing motor 5 and four reels 6; Trolley travelling motor 1 is arranged between two planetary differential reduction devices 3, and trolley travelling motor 1 has two output shafts, and two output shafts are connected with two tween drive shafts 7 respectively by arrangement of clutch 2; Two tween drive shafts 7 are connected with two planetary differential reduction devices 3 respectively by coupler 8, coupler 8 are provided with drg 9.Each structure of trolley travelling motor 1 both sides is all symmetrical arranged.Trolley travelling motor 1, grab bucket lifting motor 4 and grab bucket opening and closing motor 5 all adopt variable-frequency motor, can realize stepless frequency control.
Fig. 3 shows planetary differential reduction device constructional drawing, the planet bag that planetary differential reduction device 3 comprises trolley travelling motor input shaft 35, grab bucket hoists/opening and closing motor input shaft 36, tween drive shaft 7 is identical with two; Planet handbag draws together sun wheel 31, pinion carrier 32 and external toothing 34, trolley travelling motor 1 passes motion to deboost axle 37 by primary cylinder gear deceleration transmission, deboost axle 37 drives the external toothing 34 of left side planet bag by gear transmission, the external toothing 34 of left side planet bag and external toothing 34 external toothing of right side planet bag, pinion carrier 32 and the reel input shaft 33 of planet bag are rigidly connected, reel 6 one end and reel input shaft 33 are rigidly connected, the other end is supported on reel pedestal 10, and namely reel 6 is with pinion carrier 32 synchronous axial system; Grab bucket lifting motor 4/ grab bucket opening and closing motor 5 hoist with grab bucket/opening and closing motor input shaft 36 is rigidly connected; Tween drive shaft 7 is connected with trolley travelling motor input shaft 35 by coupler 8.
Because trolley travelling motor 1 drives two external toothings 34 to rotate in the opposite direction, and lifting motor 4/ of grabbing bucket is grabbed bucket, opening and closing motor 5 drives two sun wheels 31 to rotate to identical direction, if trolley travelling motor 1 and grab bucket lifting motor 4/ are grabbed bucket, opening and closing motor 5 runs simultaneously, the rotative speed of two the reel input shafts 33 be arranged on same planetary differential reduction device 3 will be made to produce difference, the i.e. differential principle of planet differential speed reducer.
In prior art, the method for replacing rope that four winding drum grab bucket ship unloader reel single action changes rope system is:
As shown in Figure 1, to change the steel rope on 3# reel 6 ':
Under changing rope system stopping braking mode, at 4# reel 6 ' and 4# reel pedestal 10 ' place, artificial first anchor pin insertion in concentric holes brakes 4# reel 6 ', disconnect arrangement of clutch 2 ' manually, electric-control system opens the drg 9 ' of 3 ﹟ reels 6 ' and 4 ﹟ reel 6 ' sides, and start grab bucket opening and closing motor 5 ', then planetary differential reduction device 3 ' drives 3# reel 6 ' to rotate, now 4# reel 6 ' is braked, and 3# reel 6 ' can start single action and change rope.
The utility model embodiment realizes reel single action, and to change the operation of rope as follows:
As shown in Figures 2 and 3, equally to change the steel rope on 3# reel 6:
Reel 6 and reel pedestal 10 do not need to process concentric holes, do not need to design and produce anchoring device yet, changing under rope system stopping braking mode, disconnect the arrangement of clutch 2 of 1# reel 6 and 2# reel 6 side manually, electric-control system opens the drg 9 of 3 ﹟ reel 6 and 4 ﹟ reel 6 sides, start trolley travelling motor 1 and grab bucket opening and closing motor 5, control trolley travelling motor 1 respectively and run with the rotating speed of setting and hand of rotation with grab bucket opening and closing motor 5.The setting of rotating speed and hand of rotation by the rotating speed of trolley travelling motor 1 and two pinion carriers 32 when drive connection, lifting motor 4/ of grabbing bucket grab bucket opening and closing motor 5 and two pinion carriers 32 rotating speed when drive connection calculate and determine.What hand of rotation still put rope according to rope closing needs difference.
The rotating speed of the trolley travelling of casehistory setting below motor 1 and grab bucket opening and closing motor 5, and determine the method for the hand of rotation of trolley travelling motor 1 and grab bucket opening and closing motor 5.
Suppose: reel is clockwise turned to and puts rope needs, the rotating speed of reel is 20r/min, namely 3 ﹟ reels 6 are set with the synthesis rotating speed clickwise of 20r/min, when the synthesis rotating speed of 4 ﹟ reels 6 is 0,3 ﹟ reel single actions change rope, according to the planetary differential reduction device in Fig. 3,3 ﹟ reels 6 should be rigidly connected with the reel input shaft 33 on right side, and 4 ﹟ reels 6 should be rigidly connected with the reel input shaft 33 in left side.
When making grab bucket opening and closing motor 5 left-hand revolution, when trolley travelling motor 1 is braked and is not turned, the sun wheel 31 of two planet bags is all clickwise, the external toothing 34 of two planet bags maintains static, then now the pinion carrier 32 of two planet bags is clickwise, namely drives 3 ﹟ reel 6 and 4 ﹟ reel 6 clickwises.
When making trolley travelling motor 1 clickwise, when grab bucket opening and closing motor 5 is braked and do not turned, deboost axle 37 is left-hand revolution; The external toothing 34 of right side planet bag is clickwise, and sun wheel 31 maintains static, and the pinion carrier 32 of right side planet bag is also clickwise, namely drives 3 ﹟ reel 6 clickwises; The external toothing 34 of left side planet bag is left-hand revolution, and the sun wheel 31 of left side planet bag maintains static, then the pinion carrier 32 of left side planet bag is left-hand revolution, namely drives 4 ﹟ reel 6 left-hand revolutions.
The revolution ratio of pinion carrier 32 of opening and closing motor 5 and two planet bags of supposing to grab bucket is 30, and the revolution ratio of the pinion carrier 32 of trolley travelling motor 1 and two planet bags is 20.Make 3 ﹟ reels 6 with the synthesis rotating speed clickwise of 20r/min, the synthesis rotating speed of 4 ﹟ reels 6 is 0, then the synthesis rotating speed of 3 ﹟ reels 6 is the superposition of two 10r/min cw rotating speeds, the synthesis rotating speed of 4 ﹟ reels 6 is the superposition of a 10r/min cw rotating speed and a 10r/min conter clockwise rotating speed, according to above-mentioned analysis, only need control grab bucket opening and closing motor 5 to rotate with the rotating speed anticlockwise direction of 300r/min simultaneously, control trolley travelling motor 1 with the rotating speed clickwise of 200r/min simultaneously, the synthesis rotating speed that can realize 3 ﹟ reels 6 is 20r/min, hand of rotation is cw, namely required " single action ", the synthesis rotating speed of 4 ﹟ reels 6 is zero, namely required " static ".
When can obtain like this making 4# reel 6 synthesize rotating speed being zero, the revolution ratio of grab bucket opening and closing motor 5 and trolley travelling motor 1 is 3:2.Set a required rotating speed to 3 ﹟ reels 6, rotating speed and the hand of rotation of required grab bucket opening and closing motor 5 and trolley travelling motor 1 can be calculated.
When 3# reel 6 rotates separately, the steel rope on 3# reel 6, through ground elevator and guide piece etc., can be changed, and does not affect other reel and is wound around.
As the steel rope on 3# reel 6 needs rope closing, and setting 3# reel 6 rotating speed is still 20r/min, and hand of rotation is conter clockwise, then make grab bucket opening and closing motor 5 with 300r/min clickwise, trolley travelling motor 1 is with 200r/min left-hand revolution.
As on 4 ﹟ reels 6, steel rope needs to put rope, and setting 4 ﹟ reel 6 rotating speeds are also 20r/min, and hand of rotation is cw, then only grab bucket opening and closing motor 5 need be made with 300r/min clickwise, trolley travelling motor 1 is with 200r/min clickwise.
In like manner: as the steel rope on 4# reel 6 needs rope closing, and setting 4 ﹟ reel 6 rotating speeds are still 20r/min, and hand of rotation is conter clockwise, then make grab bucket opening and closing motor 5 with 300r/min left-hand revolution, trolley travelling motor 1 is with 200r/min left-hand revolution.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and inventive concept thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (3)
1. four winding drum grab bucket ship unloader reel single action changes a rope system, comprises electric-control system, trolley travelling motor (1), arrangement of clutch (2), tween drive shaft (7), two planetary differential reduction devices (3), grab bucket lifting motor (4), grab bucket opening and closing motor (5) and four reels (6); Described trolley travelling motor (1), grab bucket lifting motor (4) and grab bucket opening and closing motor (5) all adopt variable-frequency motor; Described planetary differential reduction device (3) has two input shafts, one of them input shaft connects trolley travelling motor (1), another input shaft connects grab bucket lifting motor (4)/grab bucket opening and closing motor (5), described planetary differential reduction device (3) has two planet bags, pinion carrier (32) and the reel (6) of planet bag are rigidly connected, and band movable reel (6) rotates; It is characterized in that:
Described trolley travelling motor (1) has two output shafts, and two output shafts are connected with two tween drive shafts (7) respectively by arrangement of clutch (2); Two described tween drive shafts (7) are connected with two planetary differential reduction devices (3) respectively by coupler (8).
2. four winding drum grab bucket ship unloader reel single action according to claim 1 changes rope system, it is characterized in that: described coupler (8) is with drg (9).
3. four winding drum grab bucket ship unloader reel single action according to claim 1 changes rope system, it is characterized in that: described planetary differential reduction device (3) is 2K-H planetary differential reduction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538190.8U CN204057826U (en) | 2014-09-18 | 2014-09-18 | Four winding drum grab bucket ship unloader reel single action changes rope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538190.8U CN204057826U (en) | 2014-09-18 | 2014-09-18 | Four winding drum grab bucket ship unloader reel single action changes rope system |
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| Publication Number | Publication Date |
|---|---|
| CN204057826U true CN204057826U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420538190.8U Expired - Fee Related CN204057826U (en) | 2014-09-18 | 2014-09-18 | Four winding drum grab bucket ship unloader reel single action changes rope system |
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| CN (1) | CN204057826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261293A (en) * | 2014-09-18 | 2015-01-07 | 大连华锐重工集团股份有限公司 | Winding drum single-acting rope changing system of four-winding drum grab ship unloader and rope changing method |
| CN107902584A (en) * | 2017-12-14 | 2018-04-13 | 中山市合信包装有限公司 | A kind of rope locking machine |
-
2014
- 2014-09-18 CN CN201420538190.8U patent/CN204057826U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261293A (en) * | 2014-09-18 | 2015-01-07 | 大连华锐重工集团股份有限公司 | Winding drum single-acting rope changing system of four-winding drum grab ship unloader and rope changing method |
| CN107902584A (en) * | 2017-12-14 | 2018-04-13 | 中山市合信包装有限公司 | A kind of rope locking machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170918 |