CN203768960U - Power transmission grab dredger - Google Patents
Power transmission grab dredger Download PDFInfo
- Publication number
- CN203768960U CN203768960U CN201420017807.1U CN201420017807U CN203768960U CN 203768960 U CN203768960 U CN 203768960U CN 201420017807 U CN201420017807 U CN 201420017807U CN 203768960 U CN203768960 U CN 203768960U
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- dredger
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- grab
- bagger
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Abstract
The utility model relates to the hydraulic construction industry, in particular to a power transmission grab dredger, which comprises a hull and a grab dredger. The grab capacity of the dredger is 18m<3>, and the dredger comprises a boom, an A-bracket, a turntable, a slewing bearing and a substrate. Lifting, opening and closing, luffing and slewing mechanisms are arranged. Each driving device comprises a frequency conversion motor, a speed reducer, and a brake. The four mechanisms are electrically driven, and are powered by a generator set in an onboard auxiliary machinery room. The lifting and opening and closing mechanisms are driven by a control mechanism motor and a brake hydraulic cylinder to act, and the hydraulic cylinder is controlled by a solenoid valve to act. An AC (Alternating Current) variable frequency speed control system is used, the stepless speed control is realized, the startup is stable, and the overloading capacity is strong. A force measuring device is independently developed for the dredger. The power transmission grab dredger provided by the utility model has the advantages of high control accuracy, flexible operation, simple maintenance, safety and reliability, can be accepted by domestic construction companies, and fills a gap of a large all-electric variable frequency speed control grab dredger with a capacity of more than 10m<3> in China.
Description
Technical field
The utility model relates to water conservancy project construction industry, particularly a kind of Electric Drive grab boat.
Background technology
The grab boat being active at present in water conservancy project construction industry mainly contains following several pattern:
1, second-hand grab boat.Now this batch facility aging, fault rate is many.
2, mechanically operated grab boat.This part equipment generally adopts marine diesel to pass through line shaft and directly drives each operating mechanism.This pattern is overload-resistant and resistance to impact is poor, therefore in being generally suitable for, small-power transmission.
3, newly make large-scale grab boat 10m
3above, generally adopt hydraulic drive form.This form, arrangement of mechanism complexity, and key technology is abroad monopolized.
Along with alternating frequency conversion technique, the particularly development of powerful alternating frequency conversion technique, the extensive use of PLC frequency conversion control technique, makes electrically-driven control accuracy and sensitivity considerably beyond hydraulic drive.
Summary of the invention
The utility model provides a kind of Electric Drive grab boat, bucket capacity 18m
3, can substitute hydraulic drive grab boat, and flexible operation, easy to maintenance, safe and reliable, can be accepted by domestic construction enterprises, fill up domestic 10m
3the blank of large-scale all-electric frequency control grab boat above.
The technical solution of the utility model is:
A kind of Electric Drive grab boat, formed by hull and grapple dredger two parts, bagger is arranged on the deck of hull, formed by jib, man-like shelf, turntable, pivoting support and pedestal five parts, pivoting support is supported in the rotating part of bagger on fixed pedestal, mechanism by hoisting, switching, luffing, slew gear form, and arranges diesel generating set, bagger bucket capacity 18m in dredge boat auxiliary engine room
3placement machine room, electric panel room, drivers' cab above turntable, in engine house, arrange the drive unit of four great institutions: hoist, switching, luffing, device for revolving and driving, drive unit is made up of variable-frequency motor, reductor, liquid braking device, electric panel room is arranged in engine house, and power cabinet, frequency conversion tank, PLC cabinet and attached electric fixtures are arranged in the inside.
Electric Drive grab boat described in the utility model, is made up of hull and grapple dredger two parts, and bagger is arranged on the deck of hull.
Hull described in the utility model, diesel oil tank, ballast tank, cooling water tank are arranged in both sides, and forepeak, afterpeak are arranged in two ends, and diesel generating set is arranged in intermediate arrangement auxiliary engine room and empty cabin in auxiliary engine room, be responsible for to the bagger power supply on deck.
Bagger described in the utility model has adopted advanced steel work and revolution form:
Bagger described in the utility model is made up of jib, man-like shelf, turntable, pivoting support and pedestal five parts.
The revolution of bagger described in the utility model is supported and is adopted three row's roller pivoting supports to substitute traditional roller rolling disc type supporting.Existing large-scale 10m
3above grab boat, no matter domestic or import, the slew gear between loop wheel machine and hull, generally all adopts the revolution form of roller rolling disk, although this passback form cost can be lower, weight is large, rotating accuracy is poor, easy to wear, fault rate is many, it is very complicated to install.What the present invention adopted is three row's rollers revolutions supporting forms, is domesticly first three row's roller pivoting supports to be applied in to 10m
3on above grab boat, the feature of pivoting support be lightweight, install simple, running precision is high, be quick on the draw, fault-free supporting capacity is large, impacts littlely, operation control performance is good, plurality of advantages.
Placement machine room, electric panel room, drivers' cab above the turntable of bagger described in the utility model, in engine house, arrange the drive unit of four great institutions: hoist, switching, luffing, device for revolving and driving, drive unit is made up of variable-frequency motor, reductor, liquid braking device.Electric panel room is arranged in engine house, and power cabinet, frequency conversion tank, PLC cabinet and attached electric fixtures are arranged in the inside.
Four great institutions described in the utility model: hoist, switching, luffing, slew gear, all adopt driven by power.Hoist, switching mechanism is that the action that hoists, opens and closes drum mechanism built motor, brake hydraulic cylinder by control realizes, and the action of hydraulic cylinder is by solenoid control.The action of each mechanism and management complete by driving with control system, adopt AC Frequency Control Speed Governing System.Driven by AC converter control variable-frequency motor, band encoder interfaces, adopts closed loop control mode, realizes stepless time adjustment, and steadily, overload capacity is strong in starting.
The utility model device for measuring force that has been bagger independent research, this device only uses an other pulley of pressing, and is arranged on man-like shelf, has greatly reduced jib head load.This device for mechanical is simple in structure, solves the problem that moves axially; Dynamometry result is accurate, and overload capacity is strong, manufactures simple and easy to doly, and cost is low.
The beneficial effects of the utility model are:
1, cost performance is high.In ensureing technical advance, cost reduces greatly.
2, complete machine is lightweight.Owing to having adopted advanced steel work and revolution form, greatly reduce material power consumption.
3, control accuracy is high.The application of ac variable speed technology, makes performance accuracy surmount hydraulic pressure form, also has overload factor large, operates more flexible, easy to maintenance feature.
4, cost of production is low.Because Electric Drive is more accurate, can not cause power waste.Save oil consumption than similar product, reduced cost of production.
5, construction duration is short.Motor Drive mode is simple in structure, mechanism is convenient to arrange, the construction duration of whole piece ship shortens.
6, be conducive to standardization, seriation.After this ship is succeeded in developing, can be according to the market demand, the very fast series of products of developing upper and lower specification.
Brief description of the drawings
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 front view of the utility model dredge boat;
Fig. 2 is the cabin inner structure schematic diagram of the utility model dredge boat;
Fig. 3 is the device for measuring force structural representation of the utility model bagger;
In figure: 1. diesel oil tank, 2. ballast tank, 3. cooling water tank, 4. forepeak, 5. afterpeak, 6. auxiliary engine room, 7. empty cabin, 8. diesel generating set, 9. jib, 10. man-like shelf, 11. turntables, 12. pivoting supports, 13. pedestals, 14. engine houses, 15. drivers' cabs, 16. drive units that hoist, 17. open/close driving devices, 18. luffing drive units, 19. device for revolving and driving, the 20. other pulleys of pressing, 21. leading blocks, 22. other pulley bracket, 23. pressure sensors of pressing.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail:
As shown in Figure 1, 2, the 18m of the present embodiment
3electric Drive grab boat, is made up of hull and grapple dredger two parts, and bagger is arranged on the deck of hull.
Hull described in the utility model, diesel oil tank (1), ballast tank (2), cooling water tank (3) are arranged in both sides, forepeak (4), afterpeak (5) are arranged in two ends, intermediate arrangement auxiliary engine room (6) and empty cabin (7), in auxiliary engine room (6), arrange diesel generating set (8), be responsible for to the grapple dredger power supply on deck.
Bagger described in the utility model is made up of jib (9), man-like shelf (10), turntable (11), pivoting support (12) and pedestal (13) five parts, pivoting support (12) is supported in the rotating part of bagger on fixed pedestal (13), revolution is supported (12) and is adopted three row's rollers, increases flexural strength.
Placement machine room (14), electric panel room, drivers' cab (15) above the turntable of bagger described in the utility model, in engine house (14), arrange the drive unit of four great institutions: hoist (16), switching (17), luffing (18), revolution (19) drive unit, drive unit is made up of variable-frequency motor, reductor, liquid braking device.By motor drive reductor realize hoist, on-off action.Brake plays a part to stop and protecting, and improves security of system performance.Electric panel room is arranged in engine house, and power cabinet, frequency conversion tank, PLC cabinet and attached electric fixtures are arranged in the inside.
Four great institutions described in the utility model: hoist, switching, luffing, slew gear, all adopt driven by power.Hoist, switching mechanism is that the action that hoists, opens and closes drum mechanism built motor, brake hydraulic cylinder by control realizes, and the action of hydraulic cylinder is by solenoid control.The action of each mechanism and management complete by driving with control system, adopt AC Frequency Control Speed Governing System.Driven by AC converter control variable-frequency motor, band encoder interfaces, adopt closed loop control mode, by the operating grip of drivers' cab (15), signal is inputed to PLC and control the frequency of frequency converter and the rotating speed of motor, the velocity simulate amount signal of real-time exchange motor between frequency converter and PLC simultaneously, and constantly carry out velocity compensation, realize stepless time adjustment, steadily, overload capacity is strong in starting.
The utility model is 18m
3bagger independent research device for measuring force (Fig. 3).This device is arranged on man-like shelf, the other pulley (20) of pressing is installed between leading block (21) and reel, make wire rope form the angle of one 175～179 degree, thereby produce certain tension force, and press pulley bracket (22) by side, power is delivered on pressure sensor (23).The other pulley (20) of pressing is arranged on a major axis, can move vertically with wire rope and leading block (21), thereby the stability of guarantee angle improves certainty of measurement, significantly reduces the wearing and tearing of pulley.The other pulley bracket (22) of pressing is provided with adjusting device, adjustable steel wire rope clamp angle.The power being delivered on pressure sensor (23) is only 1/10 of wire rope (11) pulling force, reduces the cost of pressure sensor (23).By PLC accurate Calculation, can reflect really and accurately the pulling force of wire rope.
Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (5)
1. an Electric Drive grab boat, formed by hull and grapple dredger two parts, bagger is arranged on the deck of hull, formed by jib, man-like shelf, turntable, pivoting support and pedestal five parts, pivoting support is supported in the rotating part of bagger on fixed pedestal, mechanism by hoisting, switching, luffing, slew gear form, it is characterized in that: in dredge boat auxiliary engine room, arrange diesel generating set (8), bagger bucket capacity 18m
3turntable (11) is placement machine room (14), electric panel room, drivers' cab (15) above, in engine house (14), arrange the drive unit of four great institutions: hoist (16), switching (17), luffing (18), revolution (19) drive unit, drive unit is made up of variable-frequency motor, reductor, liquid braking device, electric panel room is arranged in engine house (14), and power cabinet, frequency conversion tank, PLC cabinet and attached electric fixtures are arranged in the inside.
2. Electric Drive grab boat according to claim 1, it is characterized in that: diesel oil tank (1), ballast tank (2), cooling water tank (3) are arranged in hull both sides, forepeak (4), afterpeak (5), intermediate arrangement auxiliary engine room (6) and empty cabin (7) are arranged in two ends.
3. Electric Drive grab boat according to claim 1, is characterized in that: pivoting support (12) adopts three row's rollers.
4. Electric Drive grab boat according to claim 1, it is characterized in that: also comprise device for measuring force, this device is arranged on man-like shelf, and the other pulley (20) of pressing is installed between leading block (21) and reel, makes wire rope form the angle of one 175～179 degree.
5. Electric Drive grab boat according to claim 4, it is characterized in that: the other pulley (20) of pressing is arranged on a major axis, can move vertically with wire rope and leading block (21), the other pulley bracket (22) of pressing is provided with adjusting device, adjustable steel wire rope clamp angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017807.1U CN203768960U (en) | 2014-01-02 | 2014-01-02 | Power transmission grab dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017807.1U CN203768960U (en) | 2014-01-02 | 2014-01-02 | Power transmission grab dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203768960U true CN203768960U (en) | 2014-08-13 |
Family
ID=51286167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420017807.1U Expired - Fee Related CN203768960U (en) | 2014-01-02 | 2014-01-02 | Power transmission grab dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203768960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811814A (en) * | 2019-03-20 | 2019-05-28 | 武汉大学 | A kind of clear husky system of electrodynamic type jet stream suction for power station bulkhead gate slot |
-
2014
- 2014-01-02 CN CN201420017807.1U patent/CN203768960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811814A (en) * | 2019-03-20 | 2019-05-28 | 武汉大学 | A kind of clear husky system of electrodynamic type jet stream suction for power station bulkhead gate slot |
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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 |
Granted publication date: 20140813 Termination date: 20150102 |
|
| EXPY | Termination of patent right or utility model |