CN106838185A - The overload protection arrangement of slush pump gear-box - Google Patents
The overload protection arrangement of slush pump gear-box Download PDFInfo
- Publication number
- CN106838185A CN106838185A CN201710190775.3A CN201710190775A CN106838185A CN 106838185 A CN106838185 A CN 106838185A CN 201710190775 A CN201710190775 A CN 201710190775A CN 106838185 A CN106838185 A CN 106838185A
- Authority
- CN
- China
- Prior art keywords
- clutch
- speed
- slush pump
- row
- box
- 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.)
- Pending
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/01—Monitoring wear or stress of gearing elements, e.g. for triggering maintenance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
- F16H2035/106—Monitoring of overload
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/01—Monitoring wear or stress of gearing elements, e.g. for triggering maintenance
- F16H2057/016—Monitoring of overload conditions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention relates to a kind of overload protection arrangement of slush pump gear-box; clutch including gear box input; it is characterized in that; the drive shaft of main frame is provided with speed probe; speed probe is controlled the working condition of clutch by controller by hydraulic valve, when rotating speed is less than 85% rated speed, the automatic off the row of clutch; the rotating speed of off the row aft engine drive shaft goes back up to rapidly rated speed, the clutch at least time delay just row's of conjunction work in 30 seconds again.
Description
Technical field
The present invention relates to a kind of protection device, especially a kind of overload protection arrangement of slush pump gear-box, belongs to digging
The important corollary equipment of mud ship.
Background technology
Dredger is removed contamination as silt removing dredging, river regulation, waterway dredging, environmental protection, waters hydraulic reclamation, island build and
The underwater excavations such as urban construction conveying construction, the capital equipment surgically administered of water areas project, with wide market.
China and foreign countries, especially enrich in low-lying, waters（Or it is poor）With marine site country for many years in terms of dredging technology and dredger
Obtain tremendous development.
China's rivers lake branch of a river is numerous, and marine site is vast, and southern many few water in the water north, therefore water conservancy, river course, navigation channel and marine site
Great in constructing amount, all kinds of dredgers have application in dredging and reclamation construction, and especially a great deal of and rule have been introduced from Holland from external
The dredger of mould, at the same China also successive designed, designed builds the dredger of different model.Because dredger substantially belongs to
In the non-standard equipment of high technology content, dredger involves great expense.Dredger faces, depends on for existence, be able to the work that plays a role
Condition condition has difference, sometimes even greatest differences.
For the drag suction dredger, cutter suction dredger, the digging of bucket wheel formula that carry diesel engine-gear-box-mud pump system
The dredgers such as mud ship, the working environment of dredger often has fine sand, mud, sandstone, stiff plastic clay etc.；So in dredger
Diesel engine and gear-box and mud pump system load change are very big, or even can sometimes be drawn onto stone so that system overload, cause
System short service life, or even system failure.Gear-box is damaged caused by how avoiding system overload, is that this area faces
One major subjects.
The content of the invention
It is an object of the present invention to easily cause gear-box because slush pump load is excessive in being directed to the work of dredger gear-box
Overload is damaged, there is provided a kind of overload protection arrangement of slush pump gear-box.
The object of the present invention is achieved like this：A kind of overload protection arrangement of slush pump gear-box, including gear-box
The clutch of input, it is characterised in that the drive shaft of main frame is provided with speed probe, speed probe is passed through by controller
Hydraulic valve controls the working condition of clutch, when rotating speed is less than 85% rated speed, the automatic off the row of clutch, off the row aft engine
The rotating speed of drive shaft goes back up to rapidly rated speed, the clutch at least time delay just row's of conjunction work in 30 seconds again.
In the present invention, described speed probe include with the centrifugal weight of drive shaft synchronous axial system, tension spring and
Match dynamic fixed contact for a pair, movable contact is located on centrifugal weight, and fixed contact is fixed on casing.
In the present invention, described speed probe is axle electronics pulsation speed probe, axle electronics pulsation rotating speed
Sensor is installed on the driving shaft.
In the present invention, described main frame is diesel engine, and described clutch is hydraulic wet-type multi-disk friction clutch, institute
The controller stated is open circuit/delayed start-up switch, and open circuit/delayed start-up switch controls the work shape of clutch by hydraulic valve
State.
It is an advantage of the current invention that because the rotating speed of host driven axle can decline, skill of the present invention with the increase of load
Art sets speed probe on the driving shaft, when rotating speed drops to certain limit, is switched by open circuit/delayed start-up and passes through clutch
Device cuts off rapidly contacting between main frame and gear-box, so as to protect gear-box.Gear box clutch off the row, although drive shaft
Rotating speed can be back to normal quickly, due to the present invention use delayed start-up switch still can make clutch off the row maintain one section when
Between, during this period, because slush pump runs out of steam, slush pump in the presence of spoil disposal pipeline " water hammer ", by stone or hard plastic
Property clay release slush pump, then delayed startup clutch, the rear gear box that runs in works again.
It is also an advantage of the present invention that, described clutch is hydraulic wet-type multi-disk friction clutch.Described controller
It is open circuit/delayed start-up switch.Described speed probe can select speed probe include and drive shaft synchronous axial system
Centrifugal weight, tension spring and a pair of dynamic fixed contacts of matching, movable contact are located on centrifugal weight, and fixed contact is fixed on casing
On；The speed probe it is also an option that axle electronics is pulsed, axle electronics pulses speed probe installation on the driving shaft.Rotating speed
Sensor is controlled the working condition of clutch by controller by hydraulic valve.These structures are all compact, easy for installation, are beneficial to
Safeguard, service life is more long.Bavin can be carried in dredgers such as drag suction dredger, cutter suction dredger, bucket-wheel suction dredgers
Applied in oil machine-gear-box-mud pump system.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the structural representation of another embodiment of the invention.
In figure：1st, clutch, 2, main frame, 3, drive shaft, 4, speed probe, 5, controller, 6, hydraulic valve, 7, centrifugation weight
Hammer, 8, tension spring, 9, fixed contact, 10, slush pump, 11, working power, 12, axle electronics pulses speed probe.
Specific embodiment
The nonrestrictive concrete structure for disclosing the embodiment of the present invention of accompanying drawing, makees into one to the present invention below in conjunction with the accompanying drawings
The description of step.
As seen from Figure 1, clutch 1 of the present invention including gear box input, the drive shaft 3 of main frame 2 is provided with rotating speed biography
Sensor 4, speed probe 4 is controlled the working condition of clutch by controller 5 by hydraulic valve 6, when rotating speed is less than 85% specified turn
When fast, the automatic off the row of clutch 1, while the rotating speed of the drive shaft 3 of main frame 2 goes back up to rapidly nominal operation rotating speed, the off the row of clutch 1
At least time delay 30 seconds afterwards, clutch 1 closes row's work.
In the present embodiment, described speed probe 4 is by the centrifugal weight 7 and pulling force bullet with the synchronous axial system of drive shaft 3
Spring 8, speed probe movable contact is located on centrifugal weight 7, and fixed contact 9 is fixed on casing.
In the present embodiment, described main frame 2 is diesel engine, and described clutch 1 is hydraulic wet-type multi-disk friction clutch
Device, described controller 5 is open circuit/delayed start-up switch, and open circuit/delayed start-up switch controls clutch 1 by hydraulic valve 6
Working condition.When using, when rotating speed is less than 85% rated speed, the movable contact on centrifugal weight 7 is contacted with fixed contact 9, control
Device 5 obtains signal, and the off the row of clutch 1 is made by hydraulic valve 6.Diesel engine speed can rise after the off the row of clutch 1, centrifugal weight 7
On movable contact and contact surely at 9 points and disengage again, when rotating speed reaches rated speed, controller 5 just obtains signal, and time delay is at least
The working oil path of hydraulic valve 6, the closes row again of clutch 1, slush pump 11 and start-up operation are connected after 30 seconds.
In the case where clutch 1 closes row, main frame 2 is finally driven by the sliding tooth roller box of clutch 1 by gearbox output shaft
Dynamic slush pump 10.From Figure 2 it can be seen that the present embodiment and Fig. 1's differs only in：Described speed probe is pulsed for axle electronics
Speed probe 12, axle is arranged in drive shaft 3 with electronics pulsation speed probe 12, axle electronics pulsation speed probe 12
Configuration work power supply 11 is needed with controller 5, when using, when rotating speed is less than 85% rated speed, axle is passed with electronics pulsation rotating speed
The fluctuating signal of sensor 12 is smaller, and now controller sends signal, and the off the row of clutch 1 is made by hydraulic valve 6.
In embodiments, after controller 5 sends signal to hydraulic valve 6, the working oil of the cut-off clutch 1 of hydraulic valve 6
Road, the off the row of clutch 1.Because slush pump is in the case where running out of steam during off the row, slush pump 11 is in spoil disposal pipeline " water hammer "
Under effect, the stone or stiff plastic clay that will have been drawn into pipeline release slush pump 11；Diesel engine speed after the off the row of clutch 1
Can rise, and by the delayed startup hydraulic valve 6 of controller 5, slush pump is started working again.
Claims (4)
1. the clutch of a kind of overload protection arrangement of slush pump gear-box, including gear box input, it is characterised in that main
The drive shaft of machine is provided with speed probe, and speed probe is controlled the working condition of clutch by controller by hydraulic valve,
When rotating speed is less than 85% rated speed, the automatic off the row of clutch, the rotating speed of off the row aft engine drive shaft goes back up to rapidly specified turn
Speed, the clutch at least time delay just row's of conjunction work in 30 seconds again.
2. the overload protection arrangement of slush pump gear-box according to claim 1, it is characterised in that described rotating speed is passed
Sensor include with the centrifugal weight of drive shaft synchronous axial system, tension spring and a pair dynamic fixed contacts for matching, movable contact be located at from
On heart weight, fixed contact is fixed on casing.
3. the overload protection arrangement of slush pump gear-box according to claim 1, it is characterised in that described rotating speed is passed
Sensor is axle electronics pulsation speed probe, and axle electronics pulses speed probe installation on the driving shaft.
4. the overload protection arrangement of the slush pump gear-box according to claim 1-3, it is characterised in that described main frame
It is diesel engine, described clutch is hydraulic wet-type multi-disk friction clutch, described controller is opened for open circuit/delayed start-up
Close, open circuit/delayed start-up switch controls the working condition of clutch by hydraulic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190775.3A CN106838185A (en) | 2017-03-28 | 2017-03-28 | The overload protection arrangement of slush pump gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190775.3A CN106838185A (en) | 2017-03-28 | 2017-03-28 | The overload protection arrangement of slush pump gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838185A true CN106838185A (en) | 2017-06-13 |
Family
ID=59141120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710190775.3A Pending CN106838185A (en) | 2017-03-28 | 2017-03-28 | The overload protection arrangement of slush pump gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838185A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426014A (en) * | 2018-03-04 | 2018-08-21 | 赵雪虎 | A kind of load regulation device of vehicle antioverloading dynamic transfer system |
| CN110133317A (en) * | 2019-04-30 | 2019-08-16 | 扬力集团股份有限公司 | A kind of sliding block adjusted torque detection method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317842A (en) * | 1996-05-31 | 1997-12-12 | Tsubakimoto Emason:Kk | Hollow shaft speed reducer equipped with overload protector |
| CN2442033Y (en) * | 2000-09-04 | 2001-08-08 | 杭州前进齿轮箱集团有限公司 | Gearbox special for mud pump |
| CN1477051A (en) * | 2003-01-15 | 2004-02-25 | 上海三菱电梯有限公司 | Permanent magnetic synchronous motor driven automatic escalator and overspeed protection device for automatic pavement |
| EP2225926A1 (en) * | 2009-03-02 | 2010-09-08 | LH Lift Oy | Power transmission arrangement between a tractor and an implement |
| CN203260526U (en) * | 2013-06-04 | 2013-10-30 | 任永斌 | Centrifugal electrical switch |
| CN206770542U (en) * | 2017-03-28 | 2017-12-19 | 南京高精船用设备有限公司 | The overload protection arrangement of slush pump gear-box |
-
2017
- 2017-03-28 CN CN201710190775.3A patent/CN106838185A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317842A (en) * | 1996-05-31 | 1997-12-12 | Tsubakimoto Emason:Kk | Hollow shaft speed reducer equipped with overload protector |
| CN2442033Y (en) * | 2000-09-04 | 2001-08-08 | 杭州前进齿轮箱集团有限公司 | Gearbox special for mud pump |
| CN1477051A (en) * | 2003-01-15 | 2004-02-25 | 上海三菱电梯有限公司 | Permanent magnetic synchronous motor driven automatic escalator and overspeed protection device for automatic pavement |
| EP2225926A1 (en) * | 2009-03-02 | 2010-09-08 | LH Lift Oy | Power transmission arrangement between a tractor and an implement |
| CN203260526U (en) * | 2013-06-04 | 2013-10-30 | 任永斌 | Centrifugal electrical switch |
| CN206770542U (en) * | 2017-03-28 | 2017-12-19 | 南京高精船用设备有限公司 | The overload protection arrangement of slush pump gear-box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426014A (en) * | 2018-03-04 | 2018-08-21 | 赵雪虎 | A kind of load regulation device of vehicle antioverloading dynamic transfer system |
| CN108426014B (en) * | 2018-03-04 | 2020-12-08 | 灵璧县浩翔信息科技有限公司 | Load regulation and control device of vehicle overload-proof power transmission system |
| CN110133317A (en) * | 2019-04-30 | 2019-08-16 | 扬力集团股份有限公司 | A kind of sliding block adjusted torque detection method |
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