CN203392776U - Grab bucket control system, crane and engineering ship - Google Patents
Grab bucket control system, crane and engineering ship Download PDFInfo
- Publication number
- CN203392776U CN203392776U CN201320375845.XU CN201320375845U CN203392776U CN 203392776 U CN203392776 U CN 203392776U CN 201320375845 U CN201320375845 U CN 201320375845U CN 203392776 U CN203392776 U CN 203392776U
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- grab bucket
- control system
- motor
- hoisting
- elevator
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Abstract
The utility model discloses a grab bucket control system, a crane and an engineering ship. The grab bucket control system is provided with an angle sensor and a controller. When the luffing action is executed, the angle sensor acquires a luffing angle in real time and the controller acquires a height compensation value of a grab bucket according to the luffing angle and controls a lifting hoist to move according to the height compensation value so as to enable the lifting hoist to take up or pay off a stay rope of which the length is equal to the height compensation value and finally enable the grab bucket to be kept horizontally moving in the whole luffing process. Compared with the prior art, by utilizing the grab bucket control system, the height of the grab bucket can be compensated while an arm rest takes the luffing action, so that time required for separately compensating the height of the grab bucket is saved and operating efficiency of the crane is effectively promoted.
Description
Technical field
The utility model relates to construction machinery and equipment technology, is specifically related to the grab bucket control system of hoisting crane; In addition, the utility model also relates to hoisting crane and the engineering ship with this grab bucket control system.
Background technology
As shown in Figure 1, grab crane generally includes pillar stiffener 6, grab bucket 1, elevator 2, assembly pulley (being comprised of a plurality of pulleys 3) and jib 4, and wherein elevator 2 comprises and promotes elevator and luffing elevator.Wherein, luffing elevator is used for controlling jib 4 and carries out luffing (such as turning to S2 from position S1); Promote elevator for controlling the up-and-down movement of grab bucket 1, specifically by folding and unfolding drag-line 5, realize.
Conventionally, at jib 4, carry out luffing when action, 1 the height of grabbing bucket can change, and as shown in Figure 1, when jib 4 is from S1 luffing to S2, grabbing bucket 1 can be raised height Δ H.In the process of handling goods, conventionally can first make jib 4 luffings to appropriate location, then grab bucket 1 is promoted or drops to desired location, finally unload or load onto goods.This mode of operation, have a strong impact on grab bucket 1 cranage goods efficiency, virtually increased use cost.
Utility model content
In view of this, the utility model proposes a kind of grab bucket control system, utilize the effectively efficiency of lift crane handling goods of this grab bucket control system.In addition, the utility model also proposes a kind of hoisting crane and engineering ship with this grab bucket control system.
On the one hand, the utility model proposes a kind of grab bucket control system, comprising:
For driving the lifting elevator of grab bucket lifting;
Angular transducer, for the change angle of Real-time Obtaining jib;
Controller, is electrically connected to angular transducer, for obtain the altimetric compensation value of grab bucket according to described change angle, and controls described lifting elevator motion according to described altimetric compensation value.
The grab bucket set-up of control system the utility model proposes has angular transducer and controller, when luffing moves, angular transducer Real-time Obtaining change angle, controller obtains the altimetric compensation value of grab bucket and controls and promote elevator motion according to altimetric compensation value according to change angle, and then make to promote elevator and take in or emit length and the drag-line that described altimetric compensation value equates, finally make grab bucket keep parallel motion in whole amplitude changing process.Compared with prior art, utilize this grab bucket control system, when jib carries out luffing motion, can highly compensate grab bucket, saved the highly required time of separate compensation grab bucket, effectively the operating efficiency of lift crane.
On the other hand, the utility model also proposes a kind of hoisting crane, is provided with rotation platform, jib, luffing elevator, promotes elevator, grab bucket on described hoisting crane, and described jib is articulated with on rotation platform; And on described hoisting crane, be also provided with above-mentioned grab bucket control system.
Further, described angular transducer is arranged on described jib.
Further, promote elevator and comprise hoisting drum, motor and drag-line; The output shaft of described motor is connected with hoisting drum, for driving hoisting drum to rotate; Described drag-line one end is wrapped on described hoisting drum, and the other end is connected with described grab bucket.
Further, on described hoisting drum, be provided with rotary encoder, described rotary encoder is for obtaining the anglec of rotation of hoisting drum; Described controller is controlled the rotating speed of described motor and turns to according to described altimetric compensation value and the anglec of rotation.
Further, described motor is frequency control motor, between described controller and motor, is provided with frequency converter, and described frequency converter is for regulating frequency and the phase place of the received current of described motor.
Compared with prior art, by above-mentioned grab bucket control system is set, the work efficiency of the hoisting crane the utility model proposes is higher.
Another aspect, the utility model also proposes a kind of engineering ship, and this project boats and ships comprise hull and above-mentioned hoisting crane, and described hoisting crane is arranged on described hull.
Compare with the engineering ship that existing hoisting crane is set, by above-mentioned hoisting crane is set, the operating efficiency of this project boats and ships is higher.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of grab crane in correlation technique;
Fig. 2 is the structured flowchart of a kind of control system of grabbing bucket of the utility model specific embodiment proposition;
Fig. 3 is the structured flowchart of the another kind grab bucket control system of the utility model specific embodiment proposition;
Fig. 4 is the structural representation of the hoisting crane of the utility model specific embodiment proposition;
Fig. 5 is the scheme of installation of motor, hoisting drum and rotary encoder.
Description of reference numerals
1, grab bucket 2, elevator 3, pulley 4, jib 5, drag-line 6, pillar stiffener
7, angular transducer 8, controller 9, hoisting drum 10, frequency converter
11, motor 12, rotary encoder 13, drive disk assembly 14, rotation platform
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Below in conjunction with 2 to 5 pairs of specific embodiment of the utility model of accompanying drawing, be elaborated.
As shown in Figure 2, the grab bucket control system that the utility model specific embodiment proposes comprises lifting elevator, angular transducer 7 and controller 8; Wherein, promote elevator for promoting or transferring grab bucket 1, angular transducer 7 is for the change angle of Real-time Obtaining jib 4; Controller 8 is for obtain the altimetric compensation value of grab bucket 1 according to change angle, and control promotes elevator motion according to altimetric compensation value.This grab bucket set-up of control system has angular transducer 7 and controller 8, when jib 4 luffing, angular transducer 7 Real-time Obtaining change angles, controller 8 obtains the altimetric compensation value of grab bucket 1 and controls and promote elevator motion according to altimetric compensation value according to change angle, and then make to promote elevator and take in or emit the drag-line 5 that length equates with altimetric compensation value, finally make to grab bucket 1 keeps parallel motion in whole amplitude changing process.Compared with prior art, utilize this grab bucket control system, when jib 4 carries out luffing motion, can 1 highly compensate grabbing bucket, saved the highly required time of separate compensation grab bucket 1, effectively the operating efficiency of lift crane.
As shown in Figures 3 and 4, the hoisting crane that the utility model specific embodiment proposes is provided with grab bucket 1, elevator 2, pulley 3, jib 4, rotation platform, pillar stiffener 6 and above-mentioned grab bucket control system, and jib 4 is articulated with on rotation platform 14; Elevator 2 comprises lifting elevator and for driving jib 4 to carry out the luffing elevator of luffing, promotes elevator and comprise hoisting drum 9, motor 11 and drag-line 5; Motor 11 is connected with hoisting drum 9 by drive disk assembly 13, for driving hoisting drum 9 to rotate; Drag-line 5 one end are wrapped on hoisting drum 9, and the other end is connected with grab bucket 1 after walking around pulley 3; Angular transducer 7 is arranged on jib 4, and controller 8 is arranged on rotation platform 14.During operation, when luffing elevator drives jib 4 luffing, angular transducer 7 detects the change angle of jib 4, and by change angle Real-time Feedback to controller 8, controller 8 is controlled motor 11 forward or reverse (and then driving hoisting drum 9 forward or reverse) in real time according to change angle, under the effect of hoisting drum 9, drag-line 5 is taken in or is emitted and the corresponding length of altimetric compensation value, thereby making to grab bucket 1 maintains original height.
For the convenient rotating speed of controlling motor 11, can select frequency control motor to drive hoisting drum 9, now between controller 8, increasing frequency converter 10 can control the frequency of the received current of motor 11 and phase place.
As shown in Figure 5, in the above-described embodiments, judge for convenience drag-line 5 length that hoisting drum 9 is emitted or taken in and the relation between altimetric compensation value, rotary encoder 12 can be set on hoisting drum 9; Rotary encoder 12 detects the anglec of rotation of hoisting drum 9, and controller 8 can calculate the length that drag-line 5 is taken in or emits according to the anglec of rotation; When if the length that drag-line 5 takes in or emits and altimetric compensation value differ larger, controller 8 is controlled motors 11 and is accelerated to rotate, if the length that drag-line 5 takes in or emits is close with altimetric compensation value or while equating, controller 8 control motors 11 maintain or reduce rotating speed.
Compared with prior art, by adopting above-mentioned grab bucket control system, the work efficiency of above-mentioned hoisting crane is higher.
In addition, the utility model specific embodiment also proposes a kind of engineering ship with above-mentioned hoisting crane.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a grab bucket control system, comprises for driving the lifting elevator of grab bucket (1) lifting, it is characterized in that, also comprises:
Angular transducer (7), for the change angle of Real-time Obtaining jib (4);
Controller (8), is electrically connected to angular transducer (7), for obtain the altimetric compensation value of grab bucket (1) according to described change angle, and controls described lifting elevator motion according to described altimetric compensation value.
2. a hoisting crane, on described hoisting crane, be provided with rotation platform, jib (4), luffing elevator, promote elevator and grab bucket (1), described jib (4) is articulated with on rotation platform, it is characterized in that, is also provided with grab bucket control system claimed in claim 1.
3. hoisting crane according to claim 2, is characterized in that, described angular transducer (7) is arranged on described jib (4).
4. hoisting crane according to claim 2, is characterized in that, promotes elevator and comprises hoisting drum (9), motor (11) and drag-line (5); The output shaft of described motor (11) is connected with hoisting drum (9), for driving hoisting drum (9) to rotate; It is upper that described drag-line (5) one end is wrapped in described hoisting drum (9), and the other end is connected with described grab bucket (1).
5. hoisting crane according to claim 4, is characterized in that, is provided with rotary encoder (12) on described hoisting drum (9), and described rotary encoder (12) is for obtaining the anglec of rotation of hoisting drum (9); Described controller (8) is controlled the rotating speed of described motor (11) and turns to according to described altimetric compensation value and the anglec of rotation.
6. hoisting crane according to claim 5, it is characterized in that, described motor (11) is frequency control motor, between described controller (8) and motor (11), be provided with frequency converter (10), described frequency converter (10) is for regulating frequency and the phase place of the received current of described motor (11).
7. an engineering ship, comprises hull, it is characterized in that, is provided with the hoisting crane described in claim 2 to 6 any one on described hull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375845.XU CN203392776U (en) | 2013-06-27 | 2013-06-27 | Grab bucket control system, crane and engineering ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375845.XU CN203392776U (en) | 2013-06-27 | 2013-06-27 | Grab bucket control system, crane and engineering ship |
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| Publication Number | Publication Date |
|---|---|
| CN203392776U true CN203392776U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320375845.XU Expired - Lifetime CN203392776U (en) | 2013-06-27 | 2013-06-27 | Grab bucket control system, crane and engineering ship |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016055025A3 (en) * | 2014-10-11 | 2016-06-02 | 徐州重型机械有限公司 | Crane operation range compensation method and apparatus |
| CN107829424A (en) * | 2017-11-08 | 2018-03-23 | 泰安大地强夯重工科技有限公司 | A kind of automatic remote control dynamic compaction machinery |
| CN109081245A (en) * | 2018-08-29 | 2018-12-25 | 曹妃甸港集团股份有限公司 | A kind of novel port gantry crane grab bucket operation bulk goods method |
| CN114150724A (en) * | 2021-11-08 | 2022-03-08 | 中交疏浚技术装备国家工程研究中心有限公司 | Fine excavation control method of grab dredger based on Newton iteration method |
| CN114150725A (en) * | 2021-11-08 | 2022-03-08 | 中交疏浚技术装备国家工程研究中心有限公司 | Fine digging control system of grab dredger |
| CN114684717A (en) * | 2022-04-19 | 2022-07-01 | 江苏苏港智能装备产业创新中心有限公司 | Automatic gantry crane grab bucket control method, system, equipment and storage medium |
-
2013
- 2013-06-27 CN CN201320375845.XU patent/CN203392776U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016055025A3 (en) * | 2014-10-11 | 2016-06-02 | 徐州重型机械有限公司 | Crane operation range compensation method and apparatus |
| CN107829424A (en) * | 2017-11-08 | 2018-03-23 | 泰安大地强夯重工科技有限公司 | A kind of automatic remote control dynamic compaction machinery |
| CN109081245A (en) * | 2018-08-29 | 2018-12-25 | 曹妃甸港集团股份有限公司 | A kind of novel port gantry crane grab bucket operation bulk goods method |
| CN114150724A (en) * | 2021-11-08 | 2022-03-08 | 中交疏浚技术装备国家工程研究中心有限公司 | Fine excavation control method of grab dredger based on Newton iteration method |
| CN114150725A (en) * | 2021-11-08 | 2022-03-08 | 中交疏浚技术装备国家工程研究中心有限公司 | Fine digging control system of grab dredger |
| CN114150725B (en) * | 2021-11-08 | 2023-09-19 | 中交疏浚技术装备国家工程研究中心有限公司 | Fine digging control system of grab dredger |
| CN114684717A (en) * | 2022-04-19 | 2022-07-01 | 江苏苏港智能装备产业创新中心有限公司 | Automatic gantry crane grab bucket control method, system, equipment and storage medium |
| US11787670B1 (en) | 2022-04-19 | 2023-10-17 | Jiangsu Sugang Intelligent Equipment Industry Innovation Center Co., Ltd. | Control method, control system, and device for grab of portal crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY MARINE HEAVY INDUSTRIES CO., LTD. Free format text: FORMER OWNER: KM GROUP CO., LTD. Effective date: 20150605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410100 CHANGSHA, HUNAN PROVINCE TO: 519050 ZHUHAI, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150605 Address after: 519050 Guangdong city of Zhuhai province Pingsha town Ping Road No. 336 East Building Room 310 Patentee after: SANY MARINE HEAVY INDUSTRY Co.,Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: SANY GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |