CN104975627B - The technique of dredging of Grab - Google Patents
The technique of dredging of Grab Download PDFInfo
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- CN104975627B CN104975627B CN201410134803.6A CN201410134803A CN104975627B CN 104975627 B CN104975627 B CN 104975627B CN 201410134803 A CN201410134803 A CN 201410134803A CN 104975627 B CN104975627 B CN 104975627B
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- grab
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- dredging
- bucket
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 claims abstract description 29
- 238000005516 engineering process Methods 0.000 claims abstract description 20
- 230000004308 accommodation Effects 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 6
- KQTVWCSONPJJPE-UHFFFAOYSA-N etridiazole Chemical compound CCOC1=NC(C(Cl)(Cl)Cl)=NS1 KQTVWCSONPJJPE-UHFFFAOYSA-N 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 235000019994 cava Nutrition 0.000 claims description 3
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 230000035876 healing Effects 0.000 claims description 3
- 230000001965 increasing effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The present invention proposes a kind of technique of dredging of Grab, including ship's fix technique and construction technology, in ship's fix technique, gyro compass signal is imported into HYPACK softwares to correct accommodation by compass display, ship type is normally shown in navigation software.Dredger's artistic skill of the Grab of the present invention enough truly shows attitude of ship, is laid the groundwork to construct smoothly to carry out.
Description
Technical field
The present invention relates to Dredging Technology field, a kind of technique of dredging of Grab is particularly related to.
Background technology
Because the change of ecological environment, soil erosion cause to deposit to rivers and lakes, in order to dredging river, development shipping and
Flood etc. is administered, it is necessary to a large amount of dredgers.
Grab is widely used as one kind of dredger, but existing Grab is being worked as during dredging
In the case that ground does not have base station, the problem of not receiving differential signal occurs in the DGPS configured on ship, is positioned as piling bar
Ship does not have differential signal, can not show correct ship type and accommodation, cause constructional difficulties.
The content of the invention
The present invention proposes a kind of technique of dredging of Grab, and ship type and accommodation can not be shown and lead to not construct by solving
Deng the problem of.
The technical proposal of the invention is realized in this way：
A kind of technique of dredging of Grab, including ship's fix technique and construction technology, in ship's fix technique, by electricity
Compass signal imports HYPACK softwares to correct accommodation by compass display, ship type is normally shown in navigation software.
Preferred scheme is, in ship's fix technique, after gyro compass display is opened, from making it after signal wire decaptitating
Internal green line and red line is connected on the output wiring terminal of gyro compass display, and passes through another signal wire and USB interface
Connection；After completing connection, open HYPACK navigation softwares and gyro compass and the driving of PTK signals are added in the hardware setting of main interface
Program, PTK signals driver are llq.dll, and gyro compass driver is nmea.dll；After completing addition, signal survey is carried out
Examination, need to adjust port if no signal enters, until after having signal input, close software and import construction documents again.
Preferred scheme is, in the construction technology, during rope wirerope use is supported, supports rope wirerope to use
After 1200 hours, work of overturning directly is carried out.
Preferred scheme is, in the construction technology, when beach construction is pushed up, first measures outside mud extraction barge bow and leans out this ship
Distance, then its preceding mainmast fell after consulting with barge, and adjusting hawser makes the fore of outer spy concordant with stem holding.
Preferred scheme is, in the construction technology, lowering velocity control is at 30 ms/min after water of grabbing bucket.
Preferred scheme is, in the construction technology, control grabs angle and is no more than 20 degree, is designated as in the grab bucket meter that heals up
50 ° are continued to sink to grab to stopping during 0 ° of section.
Preferred scheme is, in the construction technology, when shoal area soil property is closely knit silty sand ground, forward pitch is by 8 meters
10 meters are increased to, row's mode of grabbing takes single-point to excavate, that is, grabs bucket every time in same position excavation, excavated to -2 meters after moving ship
During depth, the silt of both sides caves in naturally after being disturbed, and is then excavated successively to both sides successively.
Preferred scheme is, in the construction technology, when shoal area is constructed, takes the fan-shaped technique slotted.
Preferred scheme is, after the dredging of clear table section, the depth of water is controlled within -3 meters；Weak soil lowering velocity of grabbing bucket is 45
M/min, weak soil closes bucket electric current 1.5A；Speed of healing up is 35 ms/min；Lower floor's pan soil lowering velocity is 35 ms/min, the laminated bucket of pan soil
Electric current is no more than 2A, and the speed control that heals up is at 30 ms/min；Ship forward pitch is 9 meters.
Preferred scheme is that trim is controlled by way of adjusting ballast.
Beneficial effects of the present invention are：
Dredger's artistic skill of Grab in the present invention enough truly shows attitude of ship, is laid the groundwork to construct smoothly to carry out.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the technique of dredging of Grab of the present invention；
Fig. 2 to Fig. 7 is fan-shaped slot grooving process schematic.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The technical process of dredging of the Grab of the present invention includes：Ship's fix technique and construction technology.
In ship's fix technique, gyro compass signal is imported into HYPACK softwares to correct accommodation by compass display, made
Ship type is normally shown in navigation software.Concrete operations are：After gyro compass display is opened, from 9 pin signal wire decaptitatings
Its internal green line and red line is connected on the output wiring terminal of gyro compass display afterwards, and pass through another 9 pin signal wires
It is connected with USB interface；Complete connection after, open HYPACK navigation softwares add in the hardware setting of main interface gyro compass with
PTK signal drivers, PTK signals driver are llq.dll, and gyro compass driver is nmea.dll；After completing addition,
Signal testing is carried out, needs to adjust port if no signal enters, until after having signal input, software is closed and imports construction again
File, now, attitude of ship can be truly shown in HYPACK navigation softwares, be laid the groundwork to construct smoothly to carry out.
The Grab of the present embodiment is mainly used in excavating the layer of doing of+2 meters or so of absolute altitude to -3 meters, in order to subsequently lead to
Cross strand suction ship to be excavated again, in the construction technology of the Grab, following side is embodied in emphatically with difference in the prior art
Face：
First, the use for supporting rope wirerope to overturn
During rope wirerope use is supported, support rope wirerope to use to after 1200 hours, directly carry out work of overturning, will
Mark is carried out between the wirerope that cable rolls on to swing changes wheel and using iron wire, now, the cable after overturning is determined and rolls on and do not wear
Wirerope effectively releases length, can meet that -10 meters of digging is deep, fully meet the needs of clear top application work, support rope wirerope to use
Time limit has reached 2400 hours, effectively reduces the expenditure of production cost.
2nd, push up in the working procedure of beach
In order to prevent that barge is stranded, it need to first measure outside mud extraction barge bow and lean out the distance of this ship, be 26 meters in the present embodiment,
Its preceding mainmast was fallen after consulting again with barge, and adjusting hawser makes the fore of outer spy concordant with stem holding, after barge
Remove and readjusted stowage order, hopper stem is first depressed 1 meter or so, reduce grab bucket hoisting depth, then successively from back to front
Shipped.
3rd, in beach working procedure
Operating personnel strictly control grab bucket lowering velocity during construction, and lowering velocity is controlled at 30 ms/min after water of grabbing bucket, with
Reduce and dig deep shallower and grab bucket is lacked the buoyancy of seawater and cause the cracking at each position of bucket body.Fill bucket amount in order to improve and take heavy grab
Construction, grab bucket fault rate is reduced, strictly angle is grabbed in control to operating personnel, i.e. control grabs angle no more than 20 degree, is grabbing bucket
The meter that heals up is designated as 50 ° to stopping continuing to sink to grab during 0 ° of section, the friction to be formed is grabbed to reduce, so as to ensure rotating machine of grabbing bucket
Structure energy normal work, abrasion is reduced, improve the life-span.
When shoal area soil property is closely knit silty sand ground, in work progress, it is contemplated that landslide phenomenon be present in silty sand ground,
Forward pitch increases to 10 meters by 8 meters, while grabs phenomenon to reduce, and row's mode of grabbing takes single-point to excavate, that is, is grabbed bucket after moving ship
Excavated every time in same position, when excavating to -2 meters of depth, the silt of both sides caves in naturally after being disturbed, then successively
Excavated successively to both sides, This effectively reduces the operation that manual control is grabbed, shorten and singly grab the time, extend wirerope
With the usage time for leading cable group and pulley bearings.
The scope of operation deficiency when shoal area is constructed, voluntarily slot grooving is needed, this ship takes the fan-shaped technique slotted, voluntarily
It can in normal fashion be constructed after fluting, effectively raise Ship production efficiency.As Fig. 2 to Fig. 7 opens for sector
Groove work progress schematic diagram.When Fig. 2 to Fig. 4 constructs, first in the parallel beach of start position, applied by the way of spy is grabbed
Work, after the completion of excavation, it is labeled according to trajectory on HYPACK softwares, hull is using left back piling bar as origin side-sway to the right
Move to the trace line of mark and start to construct.Continue after the completion of excavation using left back piling bar as origin side oscillation to the right until completing one
Rotating circulating.After a circulation is completed, Fig. 5 enters ship in normal fashion, and landslide is formed after being disturbed due to sandy soil, is
Reduce and grab, forward pitch is 10 meters.Continue after completing to excavate using left back piling bar as the side oscillation to the left of origin hull, until digging
After complete second working cycles, the construction of next circulation is carried out according still further to this method.4 working cycles are completed, are excavating out foot
After enough scope of operations, then adjust the parallel beach in accommodation and constructed.When digging to dead-centre position, advance reservation goes out substantially 80 meters
Position, take wide-angle to visit the mode for grabbing and adjusting accommodation to the flat skew in inner side, excavate the ship nest of next construction in advance, treat
Accommodation can be directly adjusted after digging to stop to be constructed.After taking this mode, the efficiency only when terminal is visited and grabs excavation ship nest
Decrease, can close to 75% or so of normal construction progress, barge after completing to slot can carry out relying on shorten change refute when
Between, improve Ship production efficiency.
4th, quality and safety control
After the dredging of clear table section, the depth of water will be strict controlled within -3 meters, in order to ensure that construction quality avoids the occurrence of greatly
Area ultra-deep is, it is specified that grab bucket weak soil lowering velocity is 45 ms/min；Lower floor's pan soil lowering velocity is 35 ms/min, and weak soil closes bucket electric current
1.5A；Speed of healing up is 35 ms/min；The laminated bucket electric current of pan soil is no more than 2A；Speed control heal up at 30 ms/min, ship moves forward
Away from being then adjusted to 9 meters by 10 meters, each teams and groups form normalizing operation, effectively reduce grab bucket fault rate.
This ship eliminates trim by way of adjusting ballast, and the depth of water is strictly grasped in construction period, enters ship time piling bar 1
Number hole lifts 0.5 meter away from piling bar well, is undercuted with to reduce steel pile tip and causes hull vibration difficult, avoids cycle hydraulic tube from booster occur
The generation of phenomenon.In addition driver controls the dress amount of refuting and barge drinking water change, and pass through observation when dress is refuted according to real time water level
The floading condition and cable stress situation of barge, barge is avoided the stranded situation about being stuck in my ship between barge and dry beach of heavy duty occur.
A large amount of floating objects and weeds in clear table section after excavation, around ship side be present, this ship combines the operating mode on periphery
A debris net has been installed additional in high-order Sea Chest side, then parcel use is carried out using gauze on the outside of it, effectively prevents that debris from being inhaled
Enter into Sea Chest clack box.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
1. a kind of technique of dredging of Grab, including ship's fix technique and construction technology, it is characterised in that：In ship's fix work
In skill, gyro compass signal is imported into HYPACK softwares by compass display and corrects accommodation, make ship type in navigation software just
Normal display, in the construction technology, during rope wirerope use is supported, rope wirerope is supported to use to after 1200 hours,
Work of overturning directly is carried out, in the construction technology, when shoal area soil property is closely knit silty sand ground, forward pitch is by 8 meters of increasings
Greatly to 10 meters, row's mode of grabbing takes single-point to excavate, and grabs bucket every time in same position excavation, is being excavated to -2 meters of depth after moving ship
When, the silt of both sides caves in naturally after being disturbed, and is then excavated successively to both sides successively.
2. the technique of dredging of Grab as claimed in claim 1, it is characterised in that：In ship's fix technique, by gyro compass
After display is opened, the output connection of gyro compass display is connected to from its internal green line and red line is made after signal wire decaptitating
On post, and it is connected by another signal wire with USB interface；After completing connection, HYPACK navigation softwares are opened in main interface
Addition gyro compass and PTK signal drivers in hardware setting, PTK signals driver are llq.dll, gyro compass driver
For nmea.dll；After completing addition, signal testing is carried out, needs to adjust port if no signal enters, until there is signal input
Afterwards, close software and import construction documents again.
3. the technique of dredging of Grab as claimed in claim 1, it is characterised in that：In the construction technology, Yu Dingtan is applied
In man-hour, first measure outside mud extraction barge bow and lean out the distance of this ship, then its preceding mainmast fell after consulting with barge, and adjust hawser
Make the fore of outer spy concordant with stem holding.
4. the technique of dredging of Grab as claimed in claim 1, it is characterised in that：In the construction technology, grab bucket into water
Lowering velocity control is at 30 ms/min afterwards.
5. the technique of dredging of Grab as claimed in claim 4, it is characterised in that：In the construction technology, control is grabbed
Angle is no more than 20 degree, is healed up in grab bucket and stops continuing heavy grab when meter is designated as 50 ° to 0 ° of section.
6. the technique of dredging of Grab as claimed in claim 1, it is characterised in that：In the construction technology, shoal area
During construction, the fan-shaped technique slotted is taken.
7. the technique of dredging of Grab as claimed in claim 1, it is characterised in that：After the dredging of clear table section, depth of water control
Within -3 meters；Weak soil lowering velocity of grabbing bucket is 45 ms/min, and weak soil closes bucket electric current 1.5A；Speed of healing up is 35 ms/min；Lower floor
Pan soil lowering velocity is 35 ms/min, and the laminated bucket electric current of pan soil is no more than 2A, and the speed control that heals up is at 30 ms/min；Ship forward pitch
For 9 meters.
8. the technique of dredging of Grab according to any one of claims 1 to 7, it is characterised in that：By adjusting ballast
Mode controls trim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134803.6A CN104975627B (en) | 2014-04-03 | 2014-04-03 | The technique of dredging of Grab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134803.6A CN104975627B (en) | 2014-04-03 | 2014-04-03 | The technique of dredging of Grab |
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| Publication Number | Publication Date |
|---|---|
| CN104975627A CN104975627A (en) | 2015-10-14 |
| CN104975627B true CN104975627B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410134803.6A Active CN104975627B (en) | 2014-04-03 | 2014-04-03 | The technique of dredging of Grab |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632244A (en) * | 2005-01-18 | 2005-06-29 | 刘振东 | City internal river watercourse desilting construction process |
| CN2904062Y (en) * | 2006-05-30 | 2007-05-23 | 陈华平 | Automatic driving instrument for ship |
| CN101870546A (en) * | 2010-06-01 | 2010-10-27 | 广州市保明莱环保科技有限公司 | River surge silt harmless and recycling treatment method |
| EP2322728A2 (en) * | 2009-11-13 | 2011-05-18 | Baggerwerken Decloedt en Zoon N.V. | Backhoe dredger for dredging soil material under water |
-
2014
- 2014-04-03 CN CN201410134803.6A patent/CN104975627B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632244A (en) * | 2005-01-18 | 2005-06-29 | 刘振东 | City internal river watercourse desilting construction process |
| CN2904062Y (en) * | 2006-05-30 | 2007-05-23 | 陈华平 | Automatic driving instrument for ship |
| EP2322728A2 (en) * | 2009-11-13 | 2011-05-18 | Baggerwerken Decloedt en Zoon N.V. | Backhoe dredger for dredging soil material under water |
| CN101870546A (en) * | 2010-06-01 | 2010-10-27 | 广州市保明莱环保科技有限公司 | River surge silt harmless and recycling treatment method |
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| Publication number | Publication date |
|---|---|
| CN104975627A (en) | 2015-10-14 |
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Address after: 264000 Huan Hai Road, Zhifu District, Yantai, Shandong Province, No. 80 Patentee after: Hailu (Yantai) Environmental Dredging Co.,Ltd. Country or region after: China Address before: 264000 Huan Hai Road, Zhifu District, Yantai, Shandong Province, No. 80 Patentee before: CCCC TDC ENVIRONMENTAL PROTECTION DREDGING Co.,Ltd. Country or region before: China |
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