CN204549854U - A kind of crane hoisting mechanism and electric-control system - Google Patents
A kind of crane hoisting mechanism and electric-control system Download PDFInfo
- Publication number
- CN204549854U CN204549854U CN201520151221.9U CN201520151221U CN204549854U CN 204549854 U CN204549854 U CN 204549854U CN 201520151221 U CN201520151221 U CN 201520151221U CN 204549854 U CN204549854 U CN 204549854U
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- deceleration stop
- rope
- assisted deceleration
- frequency converter
- 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.)
- Active
Links
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The utility model provides a kind of crane hoisting mechanism and electric-control system.Lifting mechanism, comprises two cover winding drum lifting mechanisms, the auxiliary anti-swing mechanism of two covers; Winding drum lifting mechanism comprises lifting motor, drop-gear box, the raising line having more rope reel and be connected with suspender, the mouth of lifting motor is connected with the input shaft of drop-gear box, has more rope reel device on the output shaft of drop-gear box, and raising line is wrapped in and has more on rope reel; The auxiliary rope that auxiliary anti-swing mechanism comprises assisted deceleration stop mechanism, coaster, push rod, auxiliary drum and is connected with suspender, assisted deceleration stop mechanism is arranged on coaster, push rod connects assisted deceleration stop mechanism, auxiliary drum is arranged on assisted deceleration stop mechanism, and auxiliary rope is wrapped in and has more on rope reel and auxiliary drum.A kind of crane hoisting mechanism of the present utility model and electric-control system, can realize hoisting synchronizing function, and effective hoisting hanger is anti-shakes performance.
Description
Technical field
The utility model relates to elevator machinery, particularly relates to a kind of crane hoisting mechanism and electric-control system.
Background technology
Flourish along with international container transport cause, container depot especially requires more and more higher as the container depot in freight container single user wharf to the efficiency, degree of automation, fault rate etc. of access arrangement.Hoist about the designing requirement of suspender product can realize comprising suspender plane rotation, suspender to suspender function vert, the multinomial suspender operation such as suspender anterior-posterior translation and the translation of suspender left and right.At present, domestic manufacturer there is no the method for whole realizations that can realize above-mentioned suspender operating function, and the crane products that manufactured by respective technological means of each producer, achieves the part or all of control operated multinomial suspender in the world.But its suspender prevents that shaking performance figure cannot further be promoted.The realization of crane hanger operating function and anti-raising of shaking performance, can shorten crane driver to operating time during container operation, reduce operation easier simultaneously, realize the significantly lifting of performance accuracy and operating efficiency.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of crane hoisting mechanism and electric-control system, can realize the synchronized operation that hoists of suspender, and effective hoisting hanger is anti-shakes performance.
A kind of crane hoisting mechanism of the present utility model, comprises two cover winding drum lifting mechanisms, the auxiliary anti-swing mechanism of two covers; Described winding drum lifting mechanism comprises lifting motor, drop-gear box, the raising line having more rope reel and be connected with suspender, the mouth of described lifting motor is connected with the input shaft of described drop-gear box, the described rope reel device that has more, on the output shaft of described drop-gear box, has more on rope reel described in described raising line is wrapped in; The auxiliary rope that described auxiliary anti-swing mechanism comprises assisted deceleration stop mechanism, coaster, push rod, auxiliary drum and is connected with described suspender, described assisted deceleration stop mechanism is arranged on described coaster, described push rod connects described assisted deceleration stop mechanism, described auxiliary drum is arranged on described assisted deceleration stop mechanism, has more on rope reel and described auxiliary drum described in described auxiliary rope is wrapped in.
Preferably, having more rope reel described in is four go out rope reel.
Preferably, have more rope reel described in and be provided with drum brake.
Preferably, described auxiliary anti-swing mechanism also comprises leading sheave, and described auxiliary rope is connected with described suspender through described leading sheave.
The utility model additionally provides the electric-control system of crane hoisting mechanism, comprise rectification unit, lifting mechanism frequency converter, assisted deceleration stop mechanism frequency converter, PLC and driver control unit, hoist described in described rectification unit electrical connection frequency converter and described assisted deceleration stop mechanism frequency converter, described frequency converter and the described assisted deceleration stop mechanism frequency converter of hoisting is electrically connected with described driver control unit respectively, and described driver control unit is electrically connected with PLC.
Preferably, also comprise brake unit, described brake unit is electrically connected with described rectification unit.
A kind of crane hoisting mechanism of the present utility model and electric-control system, can realize hoisting synchronizing function, and effective hoisting hanger is anti-shakes performance.
Accompanying drawing explanation
Comprising accompanying drawing is further understand the utility model for providing, and they are included and form a application's part, and accompanying drawing shows embodiment of the present utility model, and plays the effect explaining the utility model principle together with this specification sheets.In accompanying drawing:
Fig. 1 shows the structural representation of the crane hoisting mechanism of an embodiment of the present utility model.
Fig. 2 shows the running state figure of auxiliary anti-swing mechanism under suspender plane rotation of an embodiment of the present utility model.
Fig. 3 shows the running state figure of auxiliary anti-swing mechanism under the translation of suspender left and right of an embodiment of the present utility model.
Fig. 4 shows the running state figure of auxiliary anti-swing mechanism under suspender anterior-posterior translation of an embodiment of the present utility model.
Fig. 5 shows the structural representation of the electric-control system of an embodiment of the present utility model.
Detailed description of the invention
With detailed reference to accompanying drawing, embodiment of the present utility model is described now.In the case of any possible, in all of the figs the identical mark of use is represented same or analogous part.In addition, although the term used in the utility model selects from public term, but some terms mentioned in the utility model specification sheets may be that applicant selects by his or her judgement, its detailed meanings illustrates in the relevant portion of description herein.In addition, require not only to pass through used actual terms, but the meaning that also will be contained by each term understands the utility model.
Fig. 1 shows the structural representation of the crane hoisting mechanism of an embodiment of the present utility model.A kind of crane hoisting mechanism, comprises two cover winding drum lifting mechanisms, the auxiliary anti-swing mechanism of two covers.Winding drum lifting mechanism comprises lifting motor 7, drop-gear box 6, the raising line 2 having more rope reel 5 and be connected with suspender 1.The mouth of lifting motor 7 is connected with the input shaft of drop-gear box 6, and have more rope reel 5 device on the output shaft of drop-gear box 6, raising line 2 is wrapped in and has more on rope reel 5.The auxiliary rope 3 that auxiliary anti-swing mechanism comprises the assisted deceleration stop mechanism 9 be arranged on coaster 10, push rod 8, auxiliary drum 11 and is connected with suspender 1.Assisted deceleration stop mechanism 9 includes the function of motor, drop-gear box, drg.Push rod 8 is connected with assisted deceleration stop mechanism 9.Auxiliary drum 11 is arranged on assisted deceleration stop mechanism 9, and is driven by assisted deceleration stop mechanism 9.Auxiliary rope 3 is wrapped in and has more on rope reel 5 and auxiliary drum 11.One end of raising line 2 and auxiliary rope 3 is fixed on rope fixed end 4.
Hoist in process at suspender 1, two cover winding drum lifting mechanism independent operatings.Motor 7 is driven by drop-gear box 6 and has more rope reel 5, has more the rotation of rope reel 5, drives the lifting of raising line 2.According to the suspender operation conditions of reality, the speed preset of the lifting motor 7 of winding drum lifting mechanism is overlapped in each self aligning two, realizes the synchronized operation that hoists of suspender.
The auxiliary anti-swing mechanism independent operating of two covers, push rod 8 is connected with the assisted deceleration stop mechanism 9 be arranged on coaster 10.Assisted deceleration stop mechanism 9 can with coaster about 10 translation, and can drive auxiliary drum 11 to rotate, and controls the value of thrust of auxiliary rope 3, thus under each states such as the left and right translation of suspender and left rotation and right rotation, realizes that suspender is anti-shakes effect.
Fig. 2 shows the running state figure of auxiliary anti-swing mechanism under suspender plane rotation of an embodiment of the present utility model.The outside translation of coaster 10 respectively towards left and right of anti-swing mechanisms is overlapped in front and back two, and the auxiliary drum 11 of front side controls the value of thrust of auxiliary rope 31,32, and the auxiliary drum 11 of rear side controls the value of thrust of auxiliary rope 33,34.Auxiliary rope 32,33 tightens up, and auxiliary rope 31,34 loosens.According to Force principle, in the left side of suspender 1, because auxiliary rope 33 tightens up, auxiliary rope 31 loosens, and forms a power backward.In like manner, on the right side of suspender 1, auxiliary rope 32 tightens up, and auxiliary rope 34 loosens, and forms a power forward.Thus clockwise rotational force in a horizontal surface is formed to suspender 1.
Fig. 3 shows the running state figure of auxiliary anti-swing mechanism under the translation of suspender left and right of an embodiment of the present utility model.The coaster 10 of front and back two cover anti-swing mechanisms is simultaneously to right translation, and the auxiliary drum 11 of front side controls the value of thrust of auxiliary rope 31,32, and the auxiliary drum 11 of rear side controls the value of thrust of auxiliary rope 33,34.Auxiliary rope 31,33 tightens up, and auxiliary rope 32,34 loosens.According to Force principle, in the left side of suspender 1, because auxiliary rope 31,33 tightens up, a power is left formed to suspender 1.On the right side of suspender 2, because auxiliary rope 32,34 loosens, application force is not applied to suspender 1.Thus an application force is left formed to suspender 1.
Fig. 4 shows the running state figure of auxiliary anti-swing mechanism under suspender anterior-posterior translation of an embodiment of the present utility model.The auxiliary drum 11 of front side controls the value of thrust of auxiliary rope 31,32, and the auxiliary drum 11 of rear side controls the value of thrust of auxiliary rope 33,34.Auxiliary rope 31,32 tightens up, and auxiliary rope 33,34 loosens.According to Force principle, in the front side of suspender 1, because auxiliary rope 31,32 tightens up, form a power forward.Do not stress at the rear side of suspender 2, thus an application force is forward formed to suspender 1.
As one of the utility model embodiment preferably, as shown in Figure 1, having more rope reel 5 is four go out rope reel.
Preferred as of the utility model embodiment, as shown in Figure 1, have more rope reel 5 and be provided with drum brake.
Preferred as of the utility model embodiment, as shown in Figure 1, auxiliary anti-swing mechanism also comprises leading sheave 12, and auxiliary rope 3 is connected with suspender 1 through leading sheave 12.The setting of leading sheave 12, facilitates auxiliary rope 3 to apply application force with more proper angle to suspender 1.
The utility model additionally provides the electric-control system of a kind of crane hoisting mechanism being applicable to embodiment.Fig. 5 shows the structural representation of the electric-control system of an embodiment of the present utility model.As shown in the figure, the electric-control system of crane hoisting mechanism comprise rectification unit 13, brake unit 14, the frequency converter 15 that hoists, assisted deceleration stop mechanism frequency converter 16, PLC (programmable logic controller (PLC)) 17 and driver control unit 18.Rectification unit 13 is electrically connected brake unit 14, hoist frequency converter 15 and assisted deceleration stop mechanism frequency converter 16.Hoist frequency converter 15 and assisted deceleration stop mechanism frequency converter 16 is electrically connected with driver control unit 18.Driver control unit 18 is electrically connected with PLC17.
After hoisting crane runs, ac power power supply is converted to direct supply via rectification unit 13, powers to brake unit 14, hoist frequency converter 15 and assisted deceleration stop mechanism frequency converter 16 by DC master row.PLC17 is by hoisting synchronized algorithm and anti-shake control algorithm, by the speed preset calculated and torque is given sends driver control unit 18 to, then control two hoist frequency converter 15 and two assisted deceleration stop mechanism frequency converters 16 in real time via driver control unit 18.Two frequency converters 15 that hoist drive two lifting motors in lifting mechanism respectively, thus it is synchronous to realize hoisting.Two assisted deceleration stop mechanism frequency converters 16 drive the assisted deceleration stop mechanism in lifting mechanism respectively, thus realize rocking-prevention function.
Two the hoist frequency converters 15 of electric-control system to configuration carry out independent control, and are aided with absolute position encoder calculating independent position.Hoist in operational process, PLC17, by the location comparison of two cover winding drum lifting mechanisms, adjusts the speed preset of two lifting motors in real time by PLC17 synchronization program algorithm.Its main algorithm is: calculate main shaft and the alternate position spike from axle, arranges and kp setting, calculate negative-feedback regu-lation curved needle and mediate to speed according to the acceleration/accel, speed etc. of project configuration.Negative-feedback regu-lation curve is the key of synchronization regulation, and the existing general shape in this district is divided into two sections, and first paragraph is linear, and second segment is that y^2=2px upper half of plane is parabola shaped.Linear level and smooth with parabola shaped connecting points place, speed is without sudden change; First derivative is continuous, impacts without acceleration/accel; Second derivative has sudden change, and jerk is that (Δ/a) ^0.5 is tolerance interval to-4 Δs.The slope of linear segment and " precipitous " degree of parabola branch increase along with kp value and increase, and illustrate that kp is more corresponding faster.Calculate in real time thus and constantly regulate both sides lifting mechanism speed preset, realizing hoisting synchronizing function.
Electric-control system also correspondence is configured with two assisted deceleration stop mechanism frequency converters, shakes programmed algorithm, the independent torque output value controlling two assisted deceleration stop mechanisms by PLC17 is anti-.Drive auxiliary drum by assisted deceleration stop mechanism, utilize the variable output function of auxiliary drum to control the value of thrust of auxiliary rope, suspender is compensated at the position deviation accelerated and the decelerating phase occurs.And be not only hang after traditional method only stops suspender carry continue to rock and weakened.Anti-shake control algorithm and be: Real-time Collection suspender weight, hang and carry height and in conjunction with data such as auxiliary drum actual speed and actual torque feedbacks, in conjunction with data such as whole lifting mechanism position sizes, automatic control algorithm is regulated based on proportion adjustment and proportion differential, the Driving Torque of real-time adjustment two assisted deceleration stop mechanisms, thus the stabilizing efficiency promoting auxiliary anti-swing mechanism.
A kind of crane hoisting mechanism that the utility model provides and electric-control system, overlap the aggregate motion of independently winding drum lifting mechanism and two covers independently auxiliary anti-swing mechanism by two, can obviously lift crane operation time hang year stability.
Those skilled in the art can be obvious, can carry out various modifications and variations to above-mentioned exemplary embodiment of the present utility model and not depart from spirit and scope of the present utility model.Therefore, be intended to make the utility model to cover to drop within the scope of appended claims and equivalent arrangements thereof to amendment of the present utility model and modification.
Claims (6)
1. a crane hoisting mechanism, is characterized in that, comprises two cover winding drum lifting mechanisms, the auxiliary anti-swing mechanism of two covers;
Described winding drum lifting mechanism comprises lifting motor, drop-gear box, the raising line having more rope reel and be connected with suspender, the mouth of described lifting motor is connected with the input shaft of described drop-gear box, the described rope reel device that has more, on the output shaft of described drop-gear box, has more on rope reel described in described raising line is wrapped in;
The auxiliary rope that described auxiliary anti-swing mechanism comprises assisted deceleration stop mechanism, coaster, push rod, auxiliary drum and is connected with described suspender, described assisted deceleration stop mechanism is arranged on described coaster, described push rod connects described assisted deceleration stop mechanism, described auxiliary drum is arranged on described assisted deceleration stop mechanism, has more on rope reel and described auxiliary drum described in described auxiliary rope is wrapped in.
2. a kind of crane hoisting mechanism as claimed in claim 1, is characterized in that, described in have more rope reel be four go out rope reel.
3. a kind of crane hoisting mechanism as claimed in claim 1, is characterized in that, described in have more rope reel and be provided with drum brake.
4. a kind of crane hoisting mechanism as claimed in claim 1, is characterized in that, described auxiliary anti-swing mechanism also comprises leading sheave, and described auxiliary rope is connected with described suspender through described leading sheave.
5. one kind is applicable to the electric-control system of crane hoisting mechanism as claimed in claim 1, it is characterized in that, comprise rectification unit, lifting mechanism frequency converter, assisted deceleration stop mechanism frequency converter, PLC and driver control unit, hoist described in described rectification unit electrical connection frequency converter and described assisted deceleration stop mechanism frequency converter, described frequency converter and the described assisted deceleration stop mechanism frequency converter of hoisting is electrically connected with described driver control unit respectively, and described driver control unit is electrically connected with PLC;
Ac power power source transition is direct supply by described rectification unit, to described frequency converter and the described assisted deceleration stop mechanism inverter supply of hoisting, described PLC is by hoisting synchronized algorithm and anti-shake control algorithm, result of calculation is sent to described driver control unit, by frequency converter and the described assisted deceleration stop mechanism frequency converter of hoisting described in described driver control unit Real Time Drive.
6. the electric-control system of a kind of crane hoisting mechanism as claimed in claim 5, is characterized in that, also comprise brake unit, and described brake unit is electrically connected with described rectification unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520151221.9U CN204549854U (en) | 2015-03-17 | 2015-03-17 | A kind of crane hoisting mechanism and electric-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520151221.9U CN204549854U (en) | 2015-03-17 | 2015-03-17 | A kind of crane hoisting mechanism and electric-control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204549854U true CN204549854U (en) | 2015-08-12 |
Family
ID=53824990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520151221.9U Active CN204549854U (en) | 2015-03-17 | 2015-03-17 | A kind of crane hoisting mechanism and electric-control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204549854U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081905A (en) * | 2016-04-07 | 2016-11-09 | 江苏鼎盛重工有限公司 | Gantry container crane suspender actively anti-roll device |
| CN107339487A (en) * | 2017-08-29 | 2017-11-10 | 中国水利水电夹江水工机械有限公司 | A kind of gate segmentation method for opening and closing and its headstock gear |
| CN108639960A (en) * | 2018-08-01 | 2018-10-12 | 上海振华重工电气有限公司 | Global function trolley electric control system based on trolley and its control method |
| CN110077953A (en) * | 2019-06-06 | 2019-08-02 | 上海振华重工(集团)股份有限公司 | A kind of four rope winding sling upper racks suitable on the bridge device main hoisting mechanism of field |
| CN110203822A (en) * | 2019-06-06 | 2019-09-06 | 上海振华重工(集团)股份有限公司 | A kind of four rope canoes suitable on the bridge device main hoisting mechanism of field |
| CN110697573A (en) * | 2019-09-12 | 2020-01-17 | 青岛港国际股份有限公司 | Crane anti-swing device, control method thereof and crane |
-
2015
- 2015-03-17 CN CN201520151221.9U patent/CN204549854U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081905A (en) * | 2016-04-07 | 2016-11-09 | 江苏鼎盛重工有限公司 | Gantry container crane suspender actively anti-roll device |
| CN107339487A (en) * | 2017-08-29 | 2017-11-10 | 中国水利水电夹江水工机械有限公司 | A kind of gate segmentation method for opening and closing and its headstock gear |
| CN108639960A (en) * | 2018-08-01 | 2018-10-12 | 上海振华重工电气有限公司 | Global function trolley electric control system based on trolley and its control method |
| CN108639960B (en) * | 2018-08-01 | 2024-02-06 | 上海振华重工电气有限公司 | Full-function trolley electrical control system based on lifting trolley and control method thereof |
| CN110077953A (en) * | 2019-06-06 | 2019-08-02 | 上海振华重工(集团)股份有限公司 | A kind of four rope winding sling upper racks suitable on the bridge device main hoisting mechanism of field |
| CN110203822A (en) * | 2019-06-06 | 2019-09-06 | 上海振华重工(集团)股份有限公司 | A kind of four rope canoes suitable on the bridge device main hoisting mechanism of field |
| CN110077953B (en) * | 2019-06-06 | 2024-03-15 | 上海振华重工(集团)股份有限公司 | Four-rope winding lifting appliance upper frame suitable for main lifting mechanism of field bridge equipment |
| CN110697573A (en) * | 2019-09-12 | 2020-01-17 | 青岛港国际股份有限公司 | Crane anti-swing device, control method thereof and crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204549854U (en) | A kind of crane hoisting mechanism and electric-control system | |
| US7511438B2 (en) | Electric braking of machinery with a plurality of inverter-fed motors | |
| CN110336446A (en) | Electric linear motor | |
| US9650231B2 (en) | Method and apparatus for controlling a bucket hoist | |
| US5625262A (en) | System for equalizing the load of a plurality of motors | |
| JP5665882B2 (en) | Motor control device | |
| CN105324323B (en) | Self-propelled elevator device with the winding proportional to car speed | |
| CN101124139B (en) | Elevator apparatus | |
| CN201932765U (en) | Control device for cable drum | |
| JP6653080B2 (en) | Crane control device | |
| JP3914857B2 (en) | Large transport vehicle | |
| CN105774822A (en) | Speed regulation device and method for mine aerial man-riding ropeway | |
| CN108639960A (en) | Global function trolley electric control system based on trolley and its control method | |
| CN101088907B (en) | Oil-burning and electrically drive two-purpose forklift | |
| CN208561480U (en) | Global function trolley electric control system based on trolley | |
| CN104627838A (en) | Synchronous control method for non-rigidity connection of working condition of gantry crane hook | |
| CN102482049A (en) | Control device for elevator | |
| RU152678U1 (en) | SYSTEM OF AUTOMATED CONTROL OF ASYNCHRONOUS MOVEMENT ELECTRIC DRIVE | |
| CN110271836A (en) | A kind of coal mine isomery driving scraper conveying equipment control system and method | |
| JP4419517B2 (en) | Control method of motor for driving lifting machine | |
| JP2003267639A (en) | Power supply unit of elevator car | |
| JP6352201B2 (en) | Crane equipment | |
| CN104590995B (en) | Full hydraulic control trolley system of bridge crane | |
| CN104860173A (en) | Synchronous control system for four tractors of elevator | |
| JP3997792B2 (en) | Stacker crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |