CN110474248A - A kind of installation method of wind-powered electricity generation and photovoltaic generating system booster stations - Google Patents
A kind of installation method of wind-powered electricity generation and photovoltaic generating system booster stations Download PDFInfo
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- CN110474248A CN110474248A CN201910879715.1A CN201910879715A CN110474248A CN 110474248 A CN110474248 A CN 110474248A CN 201910879715 A CN201910879715 A CN 201910879715A CN 110474248 A CN110474248 A CN 110474248A
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- 238000009434 installation Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000005611 electricity Effects 0.000 title claims abstract description 14
- 238000003780 insertion Methods 0.000 claims abstract description 29
- 230000037431 insertion Effects 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 20
- 238000003032 molecular docking Methods 0.000 claims abstract description 19
- 238000010008 shearing Methods 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 239000011800 void material Substances 0.000 claims description 6
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 14
- 238000002788 crimping Methods 0.000 abstract description 10
- 238000012790 confirmation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 241000271510 Agkistrodon contortrix Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
- B25F1/02—Combination or multi-purpose hand tools with interchangeable or adjustable tool elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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Abstract
A kind of installation method of wind-powered electricity generation and photovoltaic generating system booster stations, take basic adjusting method and first interval method in place, first find out wherein metal embedded part highest point, first interval installation foundation height is adjusted using gasket, installation foundation height, other presetting each interval basis height are spaced further according to head, then are spaced using mother interval as the first of installation, after the installation of mother interval, start to install to both sides；This method can reduce GIS installation accumulated error, ensure that the tightness of GIS；Before docking interval, the calculating of contact insertion depth, confirmation conductor and contact base insertion depth are carried out, ensure that the requirement of GIS tightness and the safety of plug；Quick pressing and separation using multifunctional pincer convenient for the flange between interval, avoid flange from damaging when separating to equipment contact；Multifunctional pincer, which is also set up, is additionally provided with cable shearing function and end crimping function, can be used for the multifunctional use in other electrical constructions.
Description
Technical field
The present invention relates to electric power and metallurgical system construction of transformer substation technology more particularly to a kind of wind-power electricity generation and photovoltaic power generations
The booster stations core equipment of system, the i.e. construction of step-up transformer and GIS combination electric appliance.
Background technique
With the development of science and technology, wind-powered electricity generation and photovoltaic power generation are gradually popularized, many transformations or newly-built booster stations,
Original AIS (open type) structure is eliminated, transformer capacity is also promoted therewith, and original construction method is no longer satisfied existing
For the needs of electric power development, the installation method of step-up transformer and GIS are the new technologies that modern electric installation industry must be grasped.
In the large-scale substations such as 220KV/66KV, 110KV/66KV or 66KV/10KV, with the increase-volume of booster stations, become
Depressor installation is installed by past crane or hand-hydraulic, gradually installed by electric hydaulic replaced, GIS is also by initial state
Outer application, gradually by widely the popularization of booster stations system, its advantages are just approved that domestic and international owning amount is not by us at home
It is disconnected to rise.For unit in charge of construction, new project is also brought, there are no specifications at home for GIS installation method and standard, respectively
A manufacturing company standard is different, increases difficulty to construction enterprises.
Summary of the invention
The object of the present invention is to provide a kind of wind-powered electricity generation and the installation methods of photovoltaic generating system booster stations, improve installation accuracy
And equipment safety, it reduces GIS and accumulated error is installed, screw hole deviates in order to prevent when docking, is imported using guide pin, is dropped significantly
The difficulty of low docking；Simultaneously confirm conductor and contact base insertion depth, ensure that flange docking rapidity, accuracy, reliably
Property, damage when eliminating docking to equipment.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
The installation method of a kind of wind-powered electricity generation and photovoltaic generating system booster stations, including following method and step:
1) GIS foundation is first installed, the ground loading ability of GIS foundation is installed not less than 10t, the method for adjustment of height of foundation
It is:
A) according to the height of foundation of actual measurement being respectively spaced, wherein metal embedded part highest point is found out, marks the point high
Degree is " L ", adjusts first interval installation foundation height using gasket, the point height is labeled as " L ' " after adjustment, and first interval basis is high
Degree adjusting range is L '=L+ (5~10) mm；
B) it on the basis of first interval basis metal embedded part highest point actual height after adjustment, calculates other pre-buried in basis
Part upper surface and its difference in height；
C) other each basic built-in fitting height are adjusted by gasket, makes other each basic built-in fitting height controls in L '-(1
~2) within the scope of mm；
D) each basic Upper gasket quantity is no more than 3；
2) calculate contact insertion depth: it is required that three-phase conductor insertion depth, surplus is not less than 5mm after insertion, remains after insertion
Remaining void size is not less than 5mm；Conductor end face is measured to ipsilateral body flange end identity distance from L, contact base end face to same side body
End face of flange distance R, contact base depth R1, calculate conductor and contact base insertion depth, and calculation method is respectively as follows: surplus after insertion
For (R-L) mm, remaining void size is [R1- (R-L)] mm after insertion；
3) contact insertion depth meets design requirement, starts to carry out the lifting assembly between each interval, selects mother interval
As the interval head of installation, after the installation of mother interval, start to install to both sides；
4) assembly method between interval is: on the basis of being first mounted on the handling of mother interval, then to be divided between mother
Benchmark successively installs other intervals respectively to both sides.When installation, corresponding interval is hoisted to by installation site by crane, is allowed to
Shell flange is opposite with mother interval shell flange position, and the docking bolt hole of two shell flanges is inserted in by guide pin
In, two shell flanges are positioned, then pushes two shell flanges mutually to draw close by multifunctional pincer, completes two shell methods
Blue accurate docking, on the basis of finally by the side, interval is fixed on, and so on prolong mother interval two sides other intervals be installed.
The multifunctional pincer that the installation method of a kind of wind-powered electricity generation and photovoltaic generating system booster stations GIS use, including it is quiet binding clip, dynamic
Binding clip, screw rod, reduction gearing, dc motor, handle；Dovetail is equipped on interface between the quiet binding clip and dynamic binding clip
Slot；It further include flange pressing mold, flange separation mold, the side of the flange pressing mold is equipped with and dove tail shape
The convex block matched；The side of flange separation mold be equipped with dove tail shape matched convex block, in flange separation mold
One end is equipped with the separation pin of triangle.
Further include cable shearing die, is equipped in the side of the cable shearing die matched convex with dove tail shape
Block is equipped with shear blade in the other side of cable shearing die, arc-shaped groove is equipped in the shear blade.
It further include end crimp, the side of the end crimp is matched convex with dove tail shape
Block, the other side, which is equipped with, crimps gap with end.
Compared with prior art, the beneficial effects of the present invention are:
1) basic adjusting method and first interval method in place are taken, wherein metal embedded part highest point is first found out, utilizes gasket tune
Whole first interval installation foundation height is spaced installation foundation height further according to head, other presetting each interval basis height, then mother
It is spaced the first interval as installation, after the installation of mother interval, starts to install to both sides；This method can reduce GIS installation accumulation
Error ensure that the tightness of GIS；
2) before docking interval, the calculating of contact insertion depth, confirmation conductor and contact base insertion depth is carried out, ensure that
The requirement of GIS tightness and the safety of plug；
3) it when docking, is fixed using side, the mode of other side suspention is imported using guide pin, greatly reduces flange
Docking difficulty；Two flanges are pressed using multifunctional pincer simultaneously, dock contact accurately, ensure that the quick of flange docking
Property, accuracy, reliability, installation accuracy and equipment safety are improved to the damage of equipment when eliminating docking；
4) multifunctional pincer is additionally provided with flange separation function, convenient for the quick separating of flange when the disassembly of interval, avoids flange
Equipment contact is damaged when separation；Multifunctional pincer, which is also set up, is additionally provided with cable shearing function and end crimping function, can
For the multifunctional use in other electrical constructions.
5) construction method of the invention can be applicable to various forms of indoor, outdoor and different voltages grade GIS
The special construction of substation's electrical construction and other forms substation.
Detailed description of the invention
Fig. 1 is the installation positioning figure at first interval in the present invention；
Fig. 2 is the calculating measurement figure of contact insertion depth when flange docks in the present invention；
Gravity balance erection drawing when Fig. 3 is combined electrical apparatus docking；
Fig. 4 is the structural schematic diagram of multifunctional pincer in the present invention；
Fig. 5 is the schematic diagram of binding clip dovetail groove.
Fig. 6 is the top view of flange screw mold.
Fig. 7 is the side view of flange screw mold.
Fig. 8 is the top view of flange separation mold.
Fig. 9 is the side view of flange separation mold.
Figure 10 is the top view of cable shearing die.
Figure 11 is the side view of cable shearing die.
Figure 12 is the top view of cable crimp.
Figure 13 is the side view of cable crimp.
Figure 14 is direct current generator two-phase speed-regulating control circuit figure.
In figure: the quiet binding clip of 1-, 2- move binding clip, 3- screw rod, 4- reduction gearing, 5- dc motor, 6- battery, 7- crimping
Gap, 8- handle, 9- lifting rope, 10- bottle gouard moved by hands, 11- conductor, 12- contact base, 13- shell flange, 14- dovetail groove, 15- are convex
Block, 16- separate the arc-shaped groove of pin, 17- shear blade, 18-, the two-way potentiometer of 19-, 20- potentiometer button shaft, 21- pincers
Mouth closure limit switch, 22- jaw opening limit switch, 23- closing direction control speed regulation button, the rotation control of 24- opening direction
System speed regulation button.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
See Fig. 1-Figure 13, the installation method of a kind of wind-powered electricity generation and photovoltaic generating system booster stations, including following method and step:
1) GIS foundation is first installed, the ground loading ability of GIS foundation is installed not less than 10t, the method for adjustment of height of foundation
It is:
A) according to the height of foundation of actual measurement being respectively spaced, wherein metal embedded part highest point is found out, marks the point high
Degree is " L ", adjusts first interval installation foundation height using gasket, the point height is labeled as " L ' " after adjustment, and first interval basis is high
Degree adjusting range is L '=L+ (5~10) mm；
B) it on the basis of first interval basis metal embedded part highest point actual height after adjustment, calculates other pre-buried in basis
Part upper surface and its difference in height；
C) other each basic built-in fitting height are adjusted by gasket, makes other each basic built-in fitting height controls in L '-(1
~2) within the scope of mm；
D) each basic Upper gasket quantity is no more than 3；
2) calculate contact insertion depth: leakproofness is the key that GIS insulation, and SF6 gas leakage will cause the fatal event of GIS
Barrier.Therefore leak check should be through entire manufacture and installation always.Sealing effect depends primarily on tank body welding quality,
The followed by manufacture of sealing ring, mounting and adjusting situation can suppress actively test and SF6 gas leakage detector quilt by local, overall
Dynamic test, detects leakproofness.In addition, one kind that confirmation conductor is also a kind of auxiliary detection sealing with contact base insertion depth is arranged
It applies.It is required that three-phase conductor insertion depth, surplus is not less than 5mm after insertion, and remaining void size is not less than 5mm after insertion；Such as Fig. 2
It is shown, measurement 11 end face of conductor to ipsilateral 13 end face distance L of shell flange, 12 end face of contact base to ipsilateral 13 end face of shell flange
Distance R, 12 depth R1 of contact base calculate conductor 11 and 12 insertion depth of contact base, and surplus is after calculation method is respectively as follows: insertion
(R-L) mm, remaining void size is [R1- (R-L)] mm after insertion；
3) contact insertion depth meets design requirement, starts to carry out the lifting assembly between each interval, to reduce installation product
Tired error selects first interval of the mother interval as installation, after the installation of mother interval, start to install to both sides；
Concrete operation step is: a, lifting mother interval, will by drawn center line (main bus-bar center line, interval center line)
On the basis of interval is fallen in；B, interval location is adjusted, interval holding is horizontal.C, interval center and bus center line, interval center line
To just.I.e. X-direction interval center and base center deviation are not more than 3mm, and whole transformer station allows Accumulated deviation to be less than 20mm；Y
Direction and base center deviation are not more than 10mm；Interval height difference is not much different in 1mm two-by-two, entire engineering main bus-bar vertical plane
Interior deviation main bus-bar center line (Z-direction) is less than 5mm.D, the level at first interval and position determine the theory of entire GIS arrangement
Axis, therefore it is not recommended that adjusted when first spaced horizontal adjusts by reducing basic Upper gasket quantity.(see Fig. 1).
4) assembly method between interval is: (mother interval is interposition on the basis of being first mounted on the handling of mother interval
The interval set), then on the basis of mother interval, other intervals are successively installed respectively to both sides.It, will be right by crane when installation
It should be spaced and be hoisted to installation site (as shown in Figure 3), it is opposite with the shell flange position at mother interval to be allowed to shell flange, passes through
Guide pin is inserted in the docking bolt hole of two shell flanges, and two shell flanges are positioned, are then pushed away by multifunctional pincer
Dynamic two shell flanges are mutually drawn close, and the accurate docking of two shell flanges is completed, on the basis of finally by the side, interval is fixed on,
And so on prolong mother interval two sides other intervals be installed.
When disassembly, the connection disassembling between an interval and its basis is fallen, is slightly sling it by crane, in more function
Upper mounting flange can be clamped and separate mold, two or more multifunctional pincers are uniformly distributed on circumference of flange direction, it is separated by flange
Mold peels away two shell flanges.
Lifting appliance uses bridge crane or two kinds of truck crane.All handling appliance lifting capacities, according to lifting object weight
Amount selection, bridge crane loading capacity are not less than 5t, and truck crane loading capacity then depending on lifting distance, will there is certain allowance.
Bridge crane requires sling height at 4.5 meters or more, and for truck crane depending on outdoor space, distance is typically chosen 25 when slightly remote
Ton crane is advisable, no matter which kind of lifting mode, hanging belt angle should not exceed 75 degree, and less than 5 degree, lifting rope carries device inclined degree
Power is greater than 1.5 times of product weight, and selects flexible suspender belt.
The each contact surface contact resistance of earth-return circuit is measured using multipoint earthing mode, is connected in each flange of GIS
Connect place's two sides jumper connect and ground.It is required that resistance value is not more than 0.5 μ Ω (except flange face).
The multifunctional pincer (see Fig. 4) that the installation method of a kind of wind-powered electricity generation and photovoltaic generating system booster stations GIS use, including it is quiet
Binding clip 1, dynamic binding clip 2, screw rod 3, reduction gearing 4, dc motor 5, handle 8；Between the quiet binding clip 1 and dynamic binding clip 2
Interface is equipped with dovetail groove 14；It further include flange pressing mold, flange separation mold, the side of the flange pressing mold
Equipped with the matched convex block 15 of 14 shape of dovetail groove；It is equipped in the side of flange separation mold and is matched with 14 shape of dovetail groove
Convex block 15, flange separation mold one end be equipped with triangle separation pin 16.
Quiet binding clip 1 is fixed on one end of tong holder, and dynamic binding clip 2 slides on tong holder, moves the other side connection wire rod 3 of binding clip 2,
Reduction gearing 4 is connected through a screw thread with screw rod 3, is fixed with gear on the output shaft of dc motor 5, on dc motor 5
Gear is meshed with reduction gearing 4, and driving reduction gearing 4 rotates.Hand position when handle 8 is operation, there is anti-skidding finger above
Nest.It is that dc motor 5 provides power supply that battery is also equipped on handle 8.Have on two binding clips for installation mold
Dovetail groove 14 (as shown in Figure 5), various molds can be installed on binding clip by dovetail groove 14.Direct current generator 5 can be with positive and negative modulation
Speed control, as shown in figure 14, direct current generator 5 are configured with DC motor driver, and the difference of two input terminals controls direct current generator 5
Direction of rotation and rotation speed, difference is bigger, and speed is faster, and difference is 0 stopping, and difference is canonical rotating forward, and difference is negative then anti-
Turn.In use, pressing closing direction control speed regulation button 23, diphasic potential device 19 is driven to rotate, the end b of potentiometer 19 has positive and negative
Given voltage output controls direct current generator D rotation direction and speed, and button pressure is more, and revolving speed is faster, when jaw is closed in place
When, jaw is closed limit switch 21 and opens, and stops closing motion, and when jaw is opened in place, jaw opening limit switch 22 is beaten
It opens, stops open movement.
During flange docking, first flange pressing mold (part Fig. 6, Fig. 7) is installed in the dovetail groove 14 of binding clip,
Quiet binding clip 1 and dynamic binding clip 2 are stuck in the outside of shell flange 13,2 can be arranged symmetrically on the circumferencial direction of shell flange 13
A multifunctional pincer, then positive operation dc motor 5, keeps binding clip 2 mobile to quiet 1 direction of binding clip, pushes two shell methods
Orchid mutually draws close, and the purpose accurately docked is finally reached, to guarantee being properly inserted for 11 contact of conductor.The pressing mold also can be used
Crimping production in other electrical constructions.
Flange separates mold (such as Fig. 8, Fig. 9), and flange separation mold is installed in the dovetail groove 14 of binding clip first, can be
During demounting flange, two tips of flange separation mold are inserted at the gap at two ring flange docking, it can be in shell
It is arranged symmetrically 2 multifunctional pincers on the circumferencial direction of flange 13, then reverse operating dc motor 5, makes binding clip 2 to quiet pincers
First 1 opposite direction is mobile, in moving process, with the increasing in gap, is gradually inserted binding clip tip, makes two ring flanges gradually
Separation is finally reached the purpose that safety extracts GIS contact.The separation mold can also be used for the equipment in other electrical constructions point
From.
Further include cable shearing die (see Figure 10, Figure 11), is equipped with and dovetail groove in the side of the cable shearing die
The matched convex block 15 of 14 shapes is equipped with shear blade 17 in the other side of cable shearing die, circle is equipped in the shear blade 17
The groove 18 of arc.The position of the arc-shaped groove 18 of two cable shearing dies is staggered certain distance.
During demounting flange, if you need to cut cable, sheared using cable shearing die.First cable cutter
It cuts mold to be installed in the dovetail groove 14 of two binding clips, the cable to be cut off then is put into the arc-shaped of cable shearing die
At groove 18, there is sharp cutting edge at arc-shaped groove 18, positive operation dc motor 5, binding clip gradually closes up, cable quilt
It cuts.The cable shearing die can also be used for the production of the shearing in other electrical constructions.
It further include end crimp (part Figure 12, Figure 13), the side of the end crimp is and dovetail groove
The matched convex block 15 of 14 shapes, the other side are equipped with and crimp gap 7 with end.Two 7 pairings of crimping gap are in one piece of Cheng Zhengliu
Side shape.
In cable copperhead manufacturing process, copperhead crimping is carried out using end crimp.First end pressure
It connects mold to be installed in the dovetail groove 14 of binding clip, then the copperhead to be crimped is put into the crimping gap 7 of end crimp
Place, positive operation dc motor 5, binding clip gradually closes up, and cable is firmly crimped at crimping gap 7.End crimping
Mold can also be used for the production of the crimping in other electrical constructions.
Claims (4)
1. the installation method of a kind of wind-powered electricity generation and photovoltaic generating system booster stations, which is characterized in that including following method and step:
1) GIS foundation is first installed, the ground loading ability of GIS foundation is installed not less than 10t, the method for adjustment of height of foundation is:
A) according to the height of foundation of actual measurement being respectively spaced, wherein metal embedded part highest point is found out, marks the point height to be
" L " adjusts first interval installation foundation height using gasket, and the point height is labeled as " L ' " after adjustment, first interval basis height tune
Whole range is L '=L+ (5~10) mm；
B) it on the basis of first interval basis metal embedded part highest point actual height after adjustment, calculates in basis on other built-in fittings
End face and its difference in height；
C) other each basic built-in fitting height are adjusted by gasket, makes other each basic built-in fitting height controls in L '-(1~2)
Within the scope of mm；
D) each basic Upper gasket quantity is no more than 3；
2) calculate contact insertion depth: it is required that three-phase conductor insertion depth, surplus is not less than 5mm, remaining void size after insertion
Not less than 5mm；Measure conductor end face to ipsilateral shell flange identity distance from L, contact base end face to ipsilateral body flange end identity distance from
R, contact base depth R1 calculates conductor and contact base insertion depth, and surplus is (R-L) mm after calculation method is respectively as follows: insertion, is inserted
Remaining void size is [R1- (R-L)] mm after entering；
3) contact insertion depth meets design requirement, start to carry out between each interval lifting assembly, select mother interval as
The first interval of installation after the installation of mother interval, starts to install to both sides；
4) assembly method between interval is: on the basis of first the handling of mother interval is mounted on, then on the basis of mother interval,
Other intervals are successively installed to both sides respectively.When installation, corresponding interval is hoisted to by installation site by crane, is allowed to shell method
It is blue opposite with mother interval shell flange position, it is inserted in by guide pin in the docking bolt hole of two shell flanges, by two
A shell flange positioning, then pushes two shell flanges mutually to draw close, completes the essence of two shell flanges by multifunctional pincer
Really docking, on the basis of finally by the side, interval is fixed on, and so on prolong mother interval two sides other intervals be installed.
2. the multifunctional pincer that the installation method of a kind of wind-powered electricity generation as described in claim 1 and photovoltaic generating system booster stations uses,
Including quiet binding clip, dynamic binding clip, screw rod, reduction gearing, dc motor, handle；It is characterized in that, in the quiet binding clip and dynamic pincers
Interface between head is equipped with dovetail groove；It further include flange pressing mold, flange separation mold, the flange pressing mold
Side be equipped with and the matched convex block of dove tail shape；It is equipped in the side of flange separation mold and is matched with dove tail shape
Convex block, flange separation mold one end be equipped with triangle separation pin.
3. the installation method of a kind of wind-powered electricity generation according to claim 2 and photovoltaic generating system booster stations uses multi-functional
Pincers, which is characterized in that further include cable shearing die, be equipped in the side of the cable shearing die and matched with dove tail shape
Convex block, the other side of cable shearing die be equipped with shear blade, in the shear blade be equipped with arc-shaped groove.
4. the installation method of a kind of wind-powered electricity generation according to claim 2 and photovoltaic generating system booster stations uses multi-functional
Pincers, which is characterized in that further include end crimp, the side of the end crimp is to match with dove tail shape
Convex block, the other side is equipped with and with end crimps gap.
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| CN201910879715.1A CN110474248B (en) | 2019-09-18 | 2019-09-18 | Installation method of booster station of wind power and photovoltaic power generation system |
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| CN110474248B CN110474248B (en) | 2024-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111042992A (en) * | 2019-12-27 | 2020-04-21 | 国家电网有限公司 | Generator installation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042992A (en) * | 2019-12-27 | 2020-04-21 | 国家电网有限公司 | Generator installation device |
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