CN205712012U - Dirt loosening device before a kind of dam - Google Patents
Dirt loosening device before a kind of dam Download PDFInfo
- Publication number
- CN205712012U CN205712012U CN201620557928.4U CN201620557928U CN205712012U CN 205712012 U CN205712012 U CN 205712012U CN 201620557928 U CN201620557928 U CN 201620557928U CN 205712012 U CN205712012 U CN 205712012U
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- Prior art keywords
- loosening device
- hydraulic
- drift
- dam
- power unit
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Abstract
This utility model relates to dirt loosening device before a kind of dam, belong to the dirt Removal Technology field of bottom of the reservior, power station, including hydraulic power unit, hydraulic power unit is provided with at least one hydraulic motor, being provided with loosening device on hydraulic motor, hydraulic power unit connects the control device controlling loosening device action.Relative to prior art, this utility model is provided power by hydraulic power unit to hydraulic motor, hydraulic motor drives loosening device high speed rotating, drift is cut and loosens, the drift of fragmentation and the drift being stirred rush to downstream with current, bigger drift is stopped by trash rack, and use trash is removed contamination to grab bucket and cleared up the drift on trash rack.Can be good at clearing up the drift of bottom of the reservior, and can stir and make drift swim in water, and wash away under the effect of current, cleaning is thorough, totally.Not affecting the properly functioning of power station, higher economic benefit, also without shutdown, is created for power station in power station.
Description
Technical field
This utility model relates to dirt loosening device before a kind of dam, belongs to the dirt Removal Technology field of bottom of the reservior, power station.
Background technology
The main dirt cleaner in power station is trash at present, and the effect of trash is the dirt on cleaning trash rack, but
It is that the plate forming some long time sedimentation things cannot be cleared up.Need the loosening equipment before the trash rack of power station, at present at water power
Station does not has this type equipment in application.
By visiting more southern small plants, power station has a strong impact on sending out of power station at the deposit of trash rack builds up ahead
Electricity, user expects that we develop this deposit and loosen equipment, in order to remove dirt with trash again.
As time goes on and gradually the alluvial of the dirt of Shan Qian bottom of the reservior, power station can increase, particularly old at some
Power station is especially apparent.The alluvial of grid front bottom of the reservior dirt is first relatively big to the hazard ratio of trash rack, reaches one when being choked with filth
After determining height, the structural strength of trash rack can be produced impact, cause the destruction of trash rack；Secondly it is choked with filth and can reduce before dam
Enter the flow of water inlet, thus reduce the generated energy in power station, affect power station economic benefit；Finally dirt is long-term a large amount of
Alluvial can produce impact to capacity reservoir, reduces flood storage and the regulating power of reservoir, and reservoir area and dam safety are produced impact.
So the dirt of bottom of the reservior front to dam must be cleared up in time.
The manner of cleaning up that bottom of the reservior, power station is choked with filth mainly has: 1, trash hangs and removes contamination grab bucket along trash rack operation extremely
Position, bottom of the reservior before grid, is captured the dirt of alluvial, is then lifted out to dam facing, is transported by vehicle.The cleaning scope of this mode
Limited, it is only capable of clearing up the bottom of the reservior drift in tight trash rack face, and cleaning efficiency is extremely low, especially at the dam that water level is higher, clearly
One the motion flow time of removing contamination of dirty slusher may reach ten minutes.2, for the reservoir that some water levels are relatively low, main drift
For the reservoir of silt, also can use the ship of similar river course sand removal ship that the silt of bottom of the reservior is cleared up.But this cleaning side
Reservoir when formula is only applicable to the relatively low reservoir of water level elevation or is in low water level.
The background of integration project exploitation, power station above-mentioned cleaning problem in the urgent need to address.So needing exploitation a kind of new
The equipment of type, clears up being choked with filth, and effectively solves a difficult problem for Ba Qian bottom of the reservior, power station dirt alluvial.
Utility model content
The technical problems to be solved in the utility model is: the manner of cleaning up efficiency that bottom of the reservior, existing power station is choked with filth
Low, range of application is little, for solving the problems referred to above, it is provided that dirt loosening device before a kind of dam.
The purpose of this utility model is achieved in that
Dirt loosening device before a kind of dam, including hydraulic power unit, hydraulic power unit is provided with at least one hydraulic motor, liquid
Being provided with loosening device on pressure motor, hydraulic power unit connects the control device controlling loosening device action.
Connect on hydraulic power unit and have four hydraulic motors, below hydraulic motor, be provided with the connecting plate connecting hydraulic motor.
Loosening device is arranged on the output shaft end of hydraulic motor.
The lower end of loosening device is provided with fixing bar, and the lower end of fixing bar is pyramid type.
Loosening device includes the connection dish being connected with hydraulic motor, and connection dish is provided with at least one loosening cutter.
Loosening cutter is L-type, and the one end loosening jet blade is provided with loosening tooth, loosens the radial direction cloth of the upper end edge connection dish of cutter
Put.
Loosening tooth is Π type.
It is provided with plug in being provided with accumulator or hydraulic power unit in hydraulic power unit.
Relative to prior art, this utility model is provided power by hydraulic power unit to hydraulic motor, and hydraulic motor drives pine
Dynamic device high speed rotating, cuts drift and loosens, and the drift of fragmentation and the drift being stirred rush with current
To downstream, bigger drift is stopped by trash rack, and use trash is removed contamination to grab bucket and cleared up the drift on trash rack.
Can be good at clearing up the drift of bottom of the reservior, and can stir and make drift swim in water, and wash away under the effect of current, clearly
Reason is thoroughly, totally.Not affecting the properly functioning of power station, higher economic benefit, also without shutdown, is created for power station in power station.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is hydraulic pump station structure schematic diagram.
Fig. 3 is Fig. 2 right view.
Fig. 4 is the hydraulic motor structure schematic diagram with loosening device.
Wherein, 1 is hydraulic power unit；2 is hydraulic motor；3 is loosening device；4 is connection dish；5 is to loosen cutter；6 is loosening
Tooth；7 is fixing bar.
Detailed description of the invention
As Figure 1-Figure 4, dirt loosening device before a kind of dam, including hydraulic power unit 1, hydraulic power unit 1 is provided with to
A few hydraulic motor 2, hydraulic motor 2 is provided with loosening device 3, and hydraulic power unit 1 connects control loosening device 3 action
Control device.
Hydraulic power unit 1 mainly includes sealed shell of tank, motor, hydraulic control valve, hydraulic oil and pipe joint and cable
Joints etc., shown in outline drawing below figure 2, Fig. 3.Sealed shell of tank uses Welding Structure, and upper cover uses rubber weather strip to seal,
And use flange bolt to compress.After tank body welding and sealing complete, need to carry out leakage test, it is ensured that tank body is at 60 meters the most not
Seep water, do not reveal.All electronic and Hydraulic Elements, hydraulic oil container are installed in tank body.
Power supply about hydraulic power unit 1 has two ways at present: a kind of mode is that submerged cable is powered.From door machine or clear
The cable comprising power and control circuit, by cable drum, is passed through under water by dirty machine, and by sealing aviation quick plug even
Receive hydraulic power unit 1, provide power for hydraulic power unit 1.Another way is storage battery power supply.Accumulator and loosening equipment are common
Lower water operation, the now action of pumping plant needs to use remote pilot.
Loosening device 3 is arranged on the output shaft end of hydraulic motor 2, and hydraulic motor 2 drives loosening device 3 high speed rotating, right
Drift carries out cutting and loosening, and the drift of fragmentation and the drift being stirred rush to downstream with current, bigger alluvial
Thing is stopped by trash rack, and use trash is removed contamination to grab bucket and cleared up drift bigger on trash rack.Cutter head by blade and
Fixing bar composition, tool tip material uses carbide bit, has higher intensity and hardness, and loosening device 3 includes and hydraulic pressure
The connection dish 4 that motor 2 connects, connection dish 4 is provided with at least one loosening cutter 5, and loosening cutter 5 is L-type, loosens cutter 5 cutter head
One end is provided with loosening tooth 6, loosens the radial arrangement of the upper end edge connection dish 4 of cutter 5, and loosening tooth 6 is Π type.Both can guarantee that respectively
Plant the cutting of soft material (such as pasture and water and house refuse), its integrity can be ensured when being clashed into by hard thing (such as stone) again.
The lower end of loosening device 3 is provided with fixing bar 7, and the lower end of fixing bar 7 is pyramid type, and fixing bar 7 can insert in drift, to pine
Dynamic equipment positions, to ensure that the equipment that loosens keeps stable in the course of the work.In order to realize the cleaning of the fastest efficiency, loosen
Equipment arranges four groups around hydraulic power unit 1 altogether, works simultaneously, has both ensured the balance movement of whole equipment, has accelerated again cleaning
Efficiency.
The effect controlling device is the equipment that the run action to loosening equipment is controlled.Control device can be integrated to
In the control system of headstock gear and trash.Mainly the motor in hydraulic power unit and electromagnetic valve are carried out action control, thus
Realize loosening device 3 is carried out action control.
This dirt loosening device, uses hydraulic-driven, and stable and reliable for performance, work efficiency is high, it is possible to the most reliable
Work continuously.Can clear up the drift of about 10 cubic metres per hour, drift can flow downstream and rush to dam downstream, significantly carries
The work efficiency of high trash, does not affect the properly functioning of power station, and higher warp, also without shutdown, is created for power station in power station
Ji benefit.
Claims (8)
1. a dirt loosening device before dam, including hydraulic power unit, it is characterised in that: it is provided with at least one liquid on hydraulic power unit
Pressure motor, hydraulic motor is provided with loosening device, and hydraulic power unit connects the control device controlling loosening device action.
Dirt loosening device before a kind of dam the most according to claim 1, it is characterised in that: connect on hydraulic power unit and have four
Hydraulic motor, is provided with the connecting plate connecting hydraulic motor below hydraulic motor.
Dirt loosening device before a kind of dam the most according to claim 1 and 2, it is characterised in that: loosening device is arranged on liquid
The output shaft end of pressure motor.
Dirt loosening device before a kind of dam the most according to claim 3, it is characterised in that: the lower end of loosening device is provided with
Fixing bar, the lower end of fixing bar is pyramid type.
Dirt loosening device before a kind of dam the most according to claim 3, it is characterised in that: loosening device includes and hydraulic pressure horse
Reach the connection dish of connection, connection dish is provided with at least one loosening cutter.
Dirt loosening device before a kind of dam the most according to claim 5, it is characterised in that: loosening cutter is L-type, loosens cutter cutter
One end of head is provided with loosening tooth, loosens the radial arrangement of the upper end edge connection dish of cutter.
Dirt loosening device before a kind of dam the most according to claim 6, it is characterised in that: loosening tooth is Π type.
Dirt loosening device before a kind of dam the most according to claim 1, it is characterised in that: it is provided with electric power storage in hydraulic power unit
It is provided with plug in pond or hydraulic power unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620557928.4U CN205712012U (en) | 2016-06-12 | 2016-06-12 | Dirt loosening device before a kind of dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620557928.4U CN205712012U (en) | 2016-06-12 | 2016-06-12 | Dirt loosening device before a kind of dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205712012U true CN205712012U (en) | 2016-11-23 |
Family
ID=57301444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620557928.4U Expired - Fee Related CN205712012U (en) | 2016-06-12 | 2016-06-12 | Dirt loosening device before a kind of dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205712012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887774A (en) * | 2016-06-12 | 2016-08-24 | 华电郑州机械设计研究院有限公司 | Loosening device for trash in front of dam |
-
2016
- 2016-06-12 CN CN201620557928.4U patent/CN205712012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887774A (en) * | 2016-06-12 | 2016-08-24 | 华电郑州机械设计研究院有限公司 | Loosening device for trash in front of dam |
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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: 20161123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |