CN204781048U - Hydraulic drive grab dredger - Google Patents
Hydraulic drive grab dredger Download PDFInfo
- Publication number
- CN204781048U CN204781048U CN201520512230.6U CN201520512230U CN204781048U CN 204781048 U CN204781048 U CN 204781048U CN 201520512230 U CN201520512230 U CN 201520512230U CN 204781048 U CN204781048 U CN 204781048U
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- grab
- bucket
- grab bucket
- engine
- hoist engine
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Abstract
The utility model relates to a hydraulic drive's grab dredger, category dredging engineering mechanical equipment field, the concretely relates to dredger, its grab slewing mechanism of this design, grab bucket amplitude changing device are connected with the back output transmission of engine through the hydraulic pump aggregate respectively, and the hydraulic pump aggregate that corresponds is connected through controlling ratio valve and a change width of cloth hoist engine, gyration motor respectively, it has been grabbed bucket and has risen the hoist engine and pass through the fluid coupling ware with grab bucket switching fill hoist engine and is connected with the preceding output transmission of engine, and pinion that the output of this fluid coupling ware passes through the main reducer output is connected with having grabbed bucket to rise the hoist engine and grab bucket a pair of meshing of meshing the gear wheel of switching fill lifting drum one end, is equipped with air clutch respectively at the other end of this reel, but this design is accurate control work systems's flow and pressure both, prevents to transship, can not stop to start under the moving circumstances or the braking working machine at the engine again, realize stepless speed control, improve grab dredger's work efficiency and life greatly.
Description
Technical field
A kind of hydraulicdriven grab boat of the utility model, belongs to dredging works technical field of mechanical equipment, is specifically related to dredge boat.
Background technology
Along with the fast development of economy, the scale of port construction and navigation channel desilting engineering is increasing, the requirement of dredging market to the efficiency of dredging plant dredge boat, cost and energy-saving and emission-reduction is more and more higher, prior art dredge boat mainly adopts machine driving and Electric Drive, the dredge boat volume of this transmission mode is large, overload-resistant and resistance to impact is poor, maintenance inconvenient, generally be applicable to middle or small type dredge boat, or to the dredge boat of working space without strict restriction.
Dredge boat many employings variable-frequency motor of current use drives, because dredge boat belongs to underwater operation, operating mode more complicated, so require that there is very strong overload capacity, due to the characteristic of variable-frequency motor self, overload capacity is limited and can not frequently transship, and the fluid coupling that this patent is quoted has the features such as overload capacity is strong, safe and reliable, can well adapt to this operating mode.
Utility model content
The purpose of this utility model is to provide a kind of hydraulicdriven grab boat, this grab boat not only has accurate hydraulic control flow system flow and pressure, and can when engine does not shut down, with stepless speed regulation startup or braking operation machine, greatly improve operating efficiency and the application life of grab boat; By being combined with electric, electronic control system, realize control automatically, medium-long range distance controlling and automatic overload protection.
Technical solutions of the utility model:
A kind of hydraulic drive grab boat of the utility model, comprise hull, grab claw, described grab claw comprises engine, grab bucket revolution, grab bucket jib lubbing mechanism transmission system, grab bucket hoists, grab bucket opening and closing hoist engine transmission system and central control system, and grab claw is arranged in deck in ship structure by pivoting support, turntable, pedestal; Described grab bucket revolution, grab bucket jib lubbing mechanism transmission system, its grab slewing mechanism, grab bucket jib lubbing mechanism are in transmission connection respectively by the rear output of hydraulic pump group and engine, and corresponding hydraulic pump group is connected with luffing hoist engine through luffing motor by luffing control ratio valve, pass through to turn round control ratio valve is connected with rotary motor through rotary reducer; Described grab bucket hoists hoist engine, grab bucket opening and closing hoist engine transmission system, hoist hoist engine and grab bucket opening and closing bucket hoist engine of its grab bucket is in transmission connection by output before fluid coupling and engine, the output of this fluid coupling is hoisted by the pinion of main reducing gear output and grab bucket being connected with a joggle of pair of meshing gear wheel of hoist engine and opening and closing bucket lifting drum one end of grabbing bucket, hoist hoist engine and the rotating shaft of grab bucket opening and closing bucket hoist engine of grab bucket is made to keep rotating, pneumatic clutch is respectively equipped with, whether to control this reel work at the other end of this reel; By the relevant control mechanism of central control system, realize the hydraulic pressure drive control system of dredge boat grab claw and the lifting folding of stepless time adjustment.
Transfer case is provided with between described hydraulic pump group and the rear output link of engine.
Described hydraulic pump of often organizing comprises a main variable pump, a flushing pump and a control pump.
The luffing motor of described grab bucket jib lubbing mechanism is a hydraulic motor.
Described rotary reducer is arranged on revolving support.
Described rotary motor is four hydraulic motors, and all adopt hydraulic control two point variable motor, discharge capacity is set to delivery and half discharge capacity, and adopt delivery when under severe duty, motor speed is slow, output torque is large; Adopt half discharge capacity when under light duty, motor speed is fast, output torque is little.
Described revolving support adopts three row's rollers, to increase flexural strength.
The utility model technological merit and obvious technical effects:
Grab claw described in the utility model is owing to adopting hydraulic drive, compact conformation, flexible operation, easy to maintenance, safe and reliable, automaticity is high, on the one hand can by controlling corresponding electro-hydraulic proportional valve, the flow of accurate control work system and pressure, prevent overload, avoid the generation of accident; Can be started when engine does not shut down or braking operation machine by fluid coupling on the other hand, by rotating speed and the torque of regulator solution mechanical couple, realize stepless speed regulation, when regulation output moment of torsion is greater than the moment of torsion of loading demand time, weight is accelerated to be promoted, and weight is in the state of hoisting; When regulation output moment of torsion is less than the moment of torsion of loading demand time, weight drags hoist engine reversion, and weight is in decline state; Greatly improve operating efficiency and the application life of grab boat, and by being combined with electric, electronic control system, realize control automatically, medium-long range distance controlling and automatic overload protection.
Accompanying drawing explanation
Fig. 1 is the utility model dredge boat front view;
Fig. 2 is that hoist hoist engine and grab bucket opening and closing bucket hoist engine and engine of the grab bucket of the utility model is in transmission connection schematic diagram;
Fig. 3 is the utility model grab slewing mechanism, grab bucket jib lubbing mechanism and engine are in transmission connection schematic diagram;
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The utility model hydraulic drive grab boat, comprise hull, grab claw, described grab claw comprises diesel machine, grab bucket revolution, grab bucket jib lubbing mechanism transmission system, grab bucket hoists, grab bucket opening and closing hoist engine transmission system and central control system, and grab claw 2 is arranged on hull 1 deck by pivoting support 6, turntable 5, pedestal 4, described grab bucket revolution, grab bucket jib lubbing mechanism transmission system, its grab slewing mechanism, grab bucket jib lubbing mechanism are in transmission connection respectively by the rear output of hydraulic pump group 18 with diesel machine 9, and corresponding hydraulic pump group 18 is connected with luffing hoist engine 22 through luffing motor 16 by luffing control ratio valve 17, pass through to turn round control ratio valve 20 is connected with rotary motor 15 through rotary reducer 21, described grab bucket hoists hoist engine, grab bucket opening and closing hoist engine transmission system, hoist hoist engine 8 and grab bucket opening and closing bucket hoist engine 7 of its grab bucket is in transmission connection by output before fluid coupling 14 and diesel machine 9, the output of this fluid coupling 14 is hoisted by the pinion 12 of main reducing gear 13 output and grab bucket being connected with a joggle of pair of meshing gear wheel 11 of hoist engine 8 and opening and closing bucket hoist engine 7 reel one end of grabbing bucket, hoist hoist engine 8 and the rotating shaft of grab bucket opening and closing bucket hoist engine 7 of grab bucket is made to keep rotating, pneumatic clutch 10 is respectively equipped with at the other end of this reel, whether to control this reel work, by the relevant control mechanism of central control system, realize the hydraulic pressure drive control system of dredge boat grab claw and the lifting folding of stepless time adjustment.
Transfer case 19 is provided with between described hydraulic pump group 18 and the rear output link of diesel machine 9.
Described hydraulic pump 18 of often organizing comprises a main variable pump, a flushing pump and a control pump.
The luffing motor of described grab bucket jib lubbing mechanism is a hydraulic motor.
Described rotary reducer 21 is arranged on revolving support 6.
Described rotary motor is four hydraulic motors, and all adopt hydraulic control two point variable motor, discharge capacity is set to delivery and half discharge capacity, and adopt delivery when under severe duty, motor speed is slow, output torque is large; Adopt half discharge capacity when under light duty, motor speed is fast, output torque is little.
Described revolving support adopts three row's rollers, to increase flexural strength.
The running of the utility model hydraulic drive grab boat is summarized as follows:
First start diesel engine, diesel engine drives fluid coupling and hydraulic pump group to enter preparation state; By manipulation luffing proportional reversing valve to luffing motor fuel feeding, adjust jib height, then turn round proportional reversing valve to rotary motor fuel feeding by manipulation, thus control the left and right revolution of grab claw, make it be turned back to assigned address; Then grab bucket opened by manipulation opening and closing bucket fluid coupling and opening and closing bucket clutch, next, namely operator is fallen by manipulation fluid coupling and the Clutch Control grab bucket that hoists, after grab bucket penetrates mud layer enforcement operation, close grab bucket, then hoist, turn round grab bucket to assigned address, open grab bucket, lay down mud.
Claims (7)
1. a hydraulic drive grab boat, comprise hull, grab claw, described grab claw comprises engine, grab bucket revolution, grab bucket jib lubbing mechanism transmission system, grab bucket hoists, grab bucket opening and closing hoist engine transmission system and central control system, grab claw passes through pivoting support, turntable, pedestal is arranged in deck in ship structure, it is characterized in that, described grab bucket revolution, grab bucket jib lubbing mechanism transmission system, its grab slewing mechanism, grab bucket jib lubbing mechanism is in transmission connection respectively by the rear output of hydraulic pump group and engine, corresponding hydraulic pump group is connected with luffing hoist engine through luffing motor by luffing control ratio valve, be connected with rotary motor through rotary reducer by revolution control ratio valve, described grab bucket hoists hoist engine, grab bucket opening and closing hoist engine transmission system, hoist hoist engine and grab bucket opening and closing bucket hoist engine of its grab bucket is in transmission connection by output before fluid coupling and engine, the output of this fluid coupling is hoisted by the pinion of main reducing gear output and grab bucket being connected with a joggle of pair of meshing gear wheel of hoist engine and opening and closing bucket lifting drum one end of grabbing bucket, hoist hoist engine and the rotating shaft of grab bucket opening and closing bucket hoist engine of grab bucket is made to keep rotating, pneumatic clutch is respectively equipped with, whether to control this reel work at the other end of this reel, by the relevant control mechanism of central control system, realize the hydraulic pressure drive control system of dredge boat grab claw and the lifting folding of stepless time adjustment.
2. a kind of hydraulic drive grab boat according to claim 1, is characterized in that, is provided with transfer case between hydraulic pump group and the rear output link of engine.
3. a kind of hydraulic drive grab boat according to claim 1, is characterized in that, often organizes hydraulic pump and comprises a main variable pump, a flushing pump and a control pump.
4. a kind of hydraulic drive grab boat according to claim 1, is characterized in that, the luffing motor of grab bucket jib lubbing mechanism is a hydraulic motor.
5. a kind of hydraulic drive grab boat according to claim 1, it is characterized in that, rotary reducer is arranged on revolving support.
6. a kind of hydraulic drive grab boat according to claim 1, is characterized in that, rotary motor is four hydraulic motors, all adopt hydraulic control two point variable motor, discharge capacity is set to delivery and half discharge capacity, and adopt delivery when under severe duty, motor speed is slow, output torque is large; Adopt half discharge capacity when under light duty, motor speed is fast, output torque is little.
7. a kind of hydraulic drive grab boat according to claim 1, is characterized in that, revolving support adopts three row's rollers, to increase flexural strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512230.6U CN204781048U (en) | 2015-07-15 | 2015-07-15 | Hydraulic drive grab dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512230.6U CN204781048U (en) | 2015-07-15 | 2015-07-15 | Hydraulic drive grab dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204781048U true CN204781048U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520512230.6U Active CN204781048U (en) | 2015-07-15 | 2015-07-15 | Hydraulic drive grab dredger |
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| Country | Link |
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| CN (1) | CN204781048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421511A (en) * | 2016-01-22 | 2016-03-23 | 武桥重工集团股份有限公司 | Grab bucket crane |
-
2015
- 2015-07-15 CN CN201520512230.6U patent/CN204781048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421511A (en) * | 2016-01-22 | 2016-03-23 | 武桥重工集团股份有限公司 | Grab bucket crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |