CN106356748A - Disconnecting link opening range adjusting fixture with angle limitation - Google Patents
Disconnecting link opening range adjusting fixture with angle limitation Download PDFInfo
- Publication number
- CN106356748A CN106356748A CN201611059834.5A CN201611059834A CN106356748A CN 106356748 A CN106356748 A CN 106356748A CN 201611059834 A CN201611059834 A CN 201611059834A CN 106356748 A CN106356748 A CN 106356748A
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- CN
- China
- Prior art keywords
- fork
- adjusting
- rod
- disconnecting link
- adjusting rod
- 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.)
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Classifications
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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
Abstract
The invention discloses a disconnecting link opening range adjusting fixture with angle limitation. The disconnecting link opening range adjusting fixture with angle limitation comprises an adjusting spindle, a fork-shaped prop rod, an adjusting rod and a clamping seat, wherein a left adjusting threaded hole and a right adjusting threaded hole are respectively formed in the left end part and the right end part of the adjusting spindle; the rotating directions of internal threads of the left adjusting threaded hole and the right adjusting threaded hole are opposite; the fork-shaped prop rod is formed by connecting a fork-shaped prop rod fork part and a fork-shaped prop rod rod part with forward-direction external threads; the fork-shaped prop rod rod part is in threaded connection with the left adjusting threaded hole; reverse external threads are arranged on the adjusting rod; the adjusting rod is in threaded connection with the right adjusting threaded hole; the clamping seat is hinged to the right end part of the adjusting rod; a clamping slot is formed in one side, back to the adjusting rod, of the clamping seat; an angle limitation device is arranged at a hinged position of the triangular clamping seat and the adjusting rod. According to the disconnecting link opening range adjusting fixture with angle limitation, a disconnecting link opening range can be quickly adjusted in place, so that the efficiency is improved, and the maintenance time is shortened; the angle limitation device can limit a positioning variable angle of the clamping seat in a certain angle range, so that the close cooperation is realized.
Description
Technical field
The invention belongs to substation equipment maintenance and repair technical field, more particularly, to a kind of disconnecting link with angle limit is opened away from adjustment fixture.
Background technology
High voltage isolator is three-phase alternating current 50hz outdoor high-voltage electric appliance, for rated voltage 12kv and following power train
In system, for circuit zero load have voltage in the case of switch over, and to electricity such as the high voltage bus being overhauled and choppers
Gas equipment and alive circuit carry out electrical equipment isolation.Disconnecting link open away from refer to switch or chopper in open position, dynamic/static contact it
Between minimum range.The disconnecting switch of three-phase ganged, during its contact, three corresponding keep synchronous, apart from identical, after combined floodgate,
Insertion depth is consistent, just meets the technical stipulation of product.
Especially 10 kilovolts of second disconnecting links of transformer station, as circuit outlet disconnecting link, because for a long time in outdoor application, its driving section
Usually corrosion is serious for part, support insulator air slaking fracture, overload and loose contact cause the defects such as conducting position heating scaling loss, pole
The big normal operating condition that have impact on equipment, causes this line facility to be usually forced interruption maintenance.Because 10 KVs are many
For residential electricity consumption, government utility electricity consumption etc., the arrangement of power off time is seemed with extremely difficult it is desirable to maintenance teams and groups are to 10,000
Volt second disconnecting link improves work efficiency, shortens power off time during installing, overhaul, debugging etc..
Disconnecting link installing, in maintenance process, disconnecting link open away from debugging be an important link, open carpenters square cun and be adjusted in place
The link rod of disconnecting link and mechanism can be welded in the operator rotating shaft of disconnecting link by connecting lever, this seems simple work, if any tactile
Head is opened away from position is not measured, and just mechanism's link rod is welded in operator rotating shaft it may appear that mechanism is in manual point, closing operation process
In, the operation incomplete phenomena such as stroke is too short or long, all that has been achieved is spoiled will to make whole disconnecting link debugging efforts；Disconnecting link open away from less than
Position, open away from excessive when, disconnecting link closes, and due to contact hardness power not, causes contact overheated, and enlarged contact resistance causes contact
Overheated, or even melting welding or scaling loss.Open away from too small when, electric insulation distance not, is likely to result in arcing or ground connection.
In sum, disconnecting link open away from adjustment, directly affect running status and the service life of disconnecting link, or even have influence on
The safe and reliable operation of grid equipment.This just opens away from adjustment special mould clamp in the urgent need to one kind, can open disconnecting link and adjust away from rapid
Put in place, improve efficiency, shorten the repair time.
Content of the invention
The present invention, in order to solve the problems of the prior art, provides a kind of disconnecting link with angle limit to open away from adjustment fixture,
Disconnecting link can be opened away from being adjusted in place rapidly, improve efficiency, shorten the repair time, and angular stop means being capable of determining deck
Position variable-angle is limited between certain angle scope, realizes suit firmly, and cooperation is closely.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of disconnecting link with angle limit is opened away from tune
Whole fixture, it includes adjusting rotating shaft, fork-shaped support rod, adjusting rod and deck, and the left and right both ends adjusting rotating shaft are respectively equipped with axial direction
Left regulation screwed hole and right regulation screwed hole, the female thread of left regulation screwed hole and right regulation screwed hole is oppositely oriented, fork-shaped
Support rod is connected by fork-shaped support rod fork and the positive externally threaded fork-shaped support rod bar portion of band and forms, the opening direction of fork-shaped support rod fork
Right side, fork-shaped support rod bar portion is threadeded with the left regulation screwed hole adjusting rotating shaft；Adjusting rod is provided with reverse external screw thread, adjusts
Bar is threadeded with the right regulation screwed hole adjusting rotating shaft；Deck is articulated and connected with the right part of adjusting rod, and deck is dorsad adjusted
The side of bar is provided with draw-in groove；
It is provided with angular stop means, angular stop means include being opened in card at triangular form deck and the articulated position of adjusting rod
Stopper slot in seat, the uncovered direction of stopper slot is opposite with the uncovered direction of draw-in groove, fixing between the two side up and down of stopper slot
It is provided with bearing pin, the right part of adjusting rod is stretched into and is fixedly installed swivel base on stopper slot and the right part of adjusting rod, swivel base is opened
It is provided with the turn hole matching with described bearing pin, swivel base is sheathed on bearing pin by turn hole thereon and is rotatably assorted with it；Spacing
It is fixedly installed positive limited block at direction positioned at rotating forward of adjusting rod in groove, in stopper slot, be located at rotating backward of adjusting rod
It is fixedly installed anti-limited block at direction, and the positive line between bearing pin for the line and anti-limited block between bearing pin for the limited block
Angle angle be 60 °～120 °.
It is equipped with left locking nut in described fork-shaped support rod bar portion, described adjusting rod is equipped with right locking nut.
Described deck is right angle trigonometry type deck, the uncovered right angle positioned at right angle trigonometry type deck of described stopper slot,
At the uncovered hypotenuse positioned at right angle trigonometry type deck of described draw-in groove.
Described draw-in groove is right angle draw-in groove.
Described fork-shaped support rod fork is u-shaped.
The invention has the beneficial effects as follows:
1. the present invention easily and efficiently realizes the disconnecting link of high voltage isolator is opened away from debugging efforts, greatly improves work
Efficiency, it is to avoid the adjustment of repeatability, high voltage isolator port is measured, operator rotating shaft divides, closes row with link rod welding and mechanism
The adjustment of journey disposably completes.
2. the present invention prevented well high voltage isolator disconnecting link open away from adjust equipment that is excessive or too small and causing
After putting into operation, apart from the potential safety hazard such as inadequate, high voltage isolator three-phase is asynchronous whole for dynamic and static contact heating and electric insulation
After body debugging, error measurement meets the technical stipulation of product, meets the technical requirements of disconnecting link.
3., present invention achieves the disconnecting link of high voltage isolator opens the accuracy away from distance adjustment, dispensable mould can complete work
Make, it is to avoid the repeating debugging, improve work efficiency of equipment；The operation such as high voltage isolator is made to install, overhaul easy, quick；
Decrease equipment safety hidden danger, be that high voltage isolator safe and stable operation is laid a good foundation.
4. the left and right both ends adjusting rotating shaft are respectively equipped with axial left regulation screwed hole and right regulation screwed hole, left regulation
The female thread of screwed hole and right regulation screwed hole is oppositely oriented, fork-shaped support rod bar portion band forward direction external screw thread, fork-shaped support rod bar portion with
The left regulation screwed hole adjusting rotating shaft is threaded, and adjusting rod is provided with reverse external screw thread, adjusting rod and the right tune adjusting rotating shaft
Section screwed hole is threaded, and by above-mentioned setting, during use, the deck because of fork-shaped support rod fork and the connection of adjusting rod right part divides
Not spacing with moving contact clamping by switch fixed contact, positive twisting adjusts rotating shaft and can drive fork-shaped support rod bar portion and adjusting rod to one
Play contraction to draw close, reversely twisting regulation rotating shaft can drive fork-shaped support rod bar portion and adjusting rod to be flared out, thus realizing to disconnecting link
Open away from adjustment.
5. it is provided with angular stop means at triangular form deck and the articulated position of adjusting rod, angular stop means include
It is opened in the stopper slot in deck, the uncovered direction of stopper slot is opposite with the uncovered direction of draw-in groove, the two side up and down of stopper slot
Between be fixedly installed bearing pin, the right part of adjusting rod is stretched into and is fixedly installed swivel base on stopper slot and the right part of adjusting rod,
The turn hole being matched with described bearing pin is offered on swivel base, swivel base is sheathed on bearing pin by turn hole thereon and is rotated with it joins
Close；It is fixedly installed positive limited block at direction positioned at rotating forward of adjusting rod in stopper slot, in stopper slot, be located at adjusting rod
Rotate backward and at direction, be fixedly installed anti-limited block, and the positive line between bearing pin for the limited block and anti-limited block to bearing pin it
Between line angle angle be 60 °～120 °, angle adjustment can be carried out to deck by the setting of above-mentioned angular stop means,
, between 60 °～120 °, thus realizing suit firmly, support force is strong, and error is little for positioning variable-angle, and cooperation is closely.
6. the side of deck dorsad adjusting rod is provided with draw-in groove, and draw-in groove is preferably right angle draw-in groove, is easy to same switch fixed contact card
Connect；Fork-shaped support rod includes fork-shaped support rod fork, and fork-shaped support rod fork is preferably u-shaped opening, is easy to same moving contact of disconnecting link clamping.
7. left locking nut is equipped on fork-shaped support rod bar portion described in, described adjusting rod is equipped with right locking nut, just
In opening after being adjusted in place in disconnecting link, the left locking nut at fixture two ends and right locking nut screwing are realized locking.
Present invention flow process operationally is as follows:
1st, install in high voltage isolator and maintenance process new, equipment is off；
2nd, the disconnecting link with angle limit is opened and be loaded between switch fixed contact and moving contact away from adjustment fixture；
3rd, unclamp the disconnecting link with angle limit and open away from the left locking nut adjusting fixture two ends and right locking nut, twisting adjusts and turns
Axle, opens away from being finely adjusted to main switch knife, adjusts and opens away from (>=200mm) to standard；
4th, disconnecting link is opened away from being adjusted in place, by the left locking nut at fixture two ends and right locking nut screwing, with tape measure reality
Distance, to reach critical field；
5th, disconnecting link is opened after adjusting, and the link rod of disconnecting link and mechanism is welded in the operator rotating shaft of disconnecting link by connecting lever, adjustment
Disconnecting link and mechanism's link rod, make mechanism divide, close stroke in claimed range, and the disconnecting link unloading lower band angle limit is opened away from adjustment fixture.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is a a generalized section in Fig. 1；
Fig. 3 is the enlarged diagram at deck position in the present invention；
Fig. 4 is the structural representation that in the present invention, deck is rotated forward；
Fig. 5 is that in the present invention, deck carries out counter-rotational structural representation.
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figures 1 to 5, a kind of disconnecting link with angle limit of the present invention is opened away from adjustment fixture, and it includes regulation and turns
Axle 3, fork-shaped support rod, adjusting rod 6 and deck 5, the left and right both ends adjusting rotating shaft 3 are respectively equipped with axial left regulation screwed hole 31
With right regulation screwed hole 32, left adjust screwed hole 31 and the right female thread adjusting screwed hole 32 is oppositely oriented, fork-shaped support rod is by carrying u
The fork-shaped support rod fork 1 of type opening and the positive externally threaded fork-shaped support rod bar portion 2 of band connect composition, the opening of fork-shaped support rod fork 1
Towards right side, fork-shaped support rod fork 1 is easy to same moving contact of disconnecting link clamping, fork-shaped support rod bar portion 2 and the left regulation adjusting rotating shaft 3 to mouth
Screwed hole 31 is threaded；Adjusting rod 6 is provided with reverse external screw thread, adjusting rod 6 and right regulation screwed hole 32 spiral shell adjusting rotating shaft 3
Stricture of vagina connects；Deck 5 is articulated and connected with the right part of adjusting rod 6, and the side of deck 5 dorsad adjusting rod 6 is provided with draw-in groove 7.
It is provided with angular stop means, angular stop means include being opened in card at deck 5 and the articulated position of adjusting rod 6
Stopper slot 51 in seat 5, the uncovered direction of stopper slot 51 is opposite with the uncovered direction of draw-in groove 7, the two side up and down of stopper slot 51
Between be fixedly installed bearing pin 9, the right part of adjusting rod 6 is stretched into and is fixedly installed on stopper slot 51 and the right part of adjusting rod 6
Transposase 11 0, transposase 11 0 is offered the turn hole being matched with described bearing pin 9, and transposase 11 0 is sheathed on bearing pin 9 by turn hole thereon
It is rotatably assorted above and with it；It is fixedly installed positive limited block 52 at direction positioned at rotating forward of adjusting rod 6, limit in stopper slot 51
Is fixedly installed anti-limited block 53 at direction positioned at rotating backward of adjusting rod 6 in the groove 51 of position, and positive limited block 52 to bearing pin 9 it
Between line and anti-limited block 53 arrive bearing pin 9 between line angle α angle be 60 °～120 °.Just spacing in the present embodiment
The line between bearing pin 9 for the block 52 and anti-limited block 53 refer to positive limited block 52 or anti-limited block to the line between bearing pin 9
The vertical join line between the axis of bearing pin 9 for 53 inside edge.Deck 5 can be entered by the setting of above-mentioned angular stop means
Row angle adjustment, between 60 °～120 °, thus realizing suit firmly, support force is strong, and error is little, cooperation for positioning variable-angle
Closely.
Described deck 5 is right angle trigonometry type deck, the uncovered right angle positioned at right angle trigonometry type deck of described stopper slot 51
Place, at the uncovered hypotenuse positioned at right angle trigonometry type deck of described draw-in groove 7, described draw-in groove 7 is right angle draw-in groove, and draw-in groove 7 is easy to same
Switch fixed contact clamping.
Left locking nut 4 is equipped on described fork-shaped support rod bar portion 2, described adjusting rod 6 is equipped with right locking nut 8,
It is easy to open after being adjusted in place in disconnecting link, the left locking nut 4 at fixture two ends and right locking nut 8 are tightened realization locking.
Left and right both ends due to adjusting rotating shaft 3 are respectively equipped with axial left regulation screwed hole 31 and right regulation screwed hole
32, the female thread of left regulation screwed hole 31 and right regulation screwed hole 32 is oppositely oriented, and fork-shaped support rod bar portion 2 carries positive external screw thread,
Fork-shaped support rod bar portion 2 is threadeded with the left regulation screwed hole 31 adjusting rotating shaft 3, and adjusting rod 6 is provided with reverse external screw thread, adjusts
Bar 6 is threadeded with the right regulation screwed hole 32 adjusting rotating shaft 3, by above-mentioned setting, during use, because of fork-shaped support rod fork 1 and
The deck 5 that adjusting rod 6 right part connects is spacing with moving contact clamping by switch fixed contact respectively, and positive twisting adjusts rotating shaft 3 can
Drive fork-shaped support rod bar portion 2 and adjusting rod 6 to together with shrinks and draws close, reversely twisting regulation rotating shaft 3 can drive fork-shaped support rod bar portion 2
Be flared out with adjusting rod 6, thus realize disconnecting link opened away from adjustment.
Present invention flow process operationally is as follows:
1st, install in high voltage isolator and maintenance process new, equipment is off；
2nd, the disconnecting link with angle limit is opened and be loaded between switch fixed contact and moving contact away from adjustment fixture；
3rd, unclamp the disconnecting link with angle limit and open away from the left locking nut 4 adjusting fixture two ends and right locking nut 8, twisting is adjusted
Rotating shaft 3, opens away from being finely adjusted to main switch knife, adjusts and opens away from (>=200mm) to standard；
4th, disconnecting link is opened away from being adjusted in place, and the left locking nut 4 at fixture two ends and right locking nut 8 are tightened, real with tape measure
Border distance, to reach critical field.
5th, disconnecting link is opened after adjusting, and the link rod of disconnecting link and mechanism is welded in the operator rotating shaft of disconnecting link by connecting lever,
Adjustment disconnecting link and mechanism's link rod, make mechanism divide, close stroke in claimed range, and the disconnecting link unloading lower band angle limit is opened away from adjustment card
Tool.
The present invention easily and efficiently realizes the disconnecting link of high voltage isolator is opened away from debugging efforts, greatly improves work
Make efficiency, it is to avoid the adjustment of repeatability, high voltage isolator port is measured, operator rotating shaft divides, closes with link rod welding and mechanism
The adjustment of stroke disposably completes.
The disconnecting link that the present invention has prevented high voltage isolator well opens equipment throwing that is excessive or too small away from adjustment and causing
Enter the potential safety hazards such as dynamic and static contact after running generates heat and electric insulation distance is inadequate, the asynchronous entirety of high voltage isolator three-phase
After debugging, error measurement meets the technical stipulation of product, meets the technical requirements of disconnecting link.
Present invention achieves the disconnecting link of high voltage isolator opens the accuracy away from distance adjustment, dispensable mould work can be completed
Make, it is to avoid the repeating debugging, improve work efficiency of equipment；The operation such as high voltage isolator is made to install, overhaul easy, quick；
Decrease equipment safety hidden danger, be that high voltage isolator safe and stable operation is laid a good foundation.
Above example is only in order to illustrative and not limiting technical scheme, although reference above-described embodiment is to this
Bright be described in detail, it will be understood by those within the art that: still the present invention can be modified or wait
With replacing, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should cover the power in the present invention
In the middle of sharp claimed range.
In describing the invention it is to be understood that term " on ", D score, the orientation of instruction such as "left", "right" or
Position relationship is based on orientation shown in the drawings or position relationship, is only for ease of the description present invention and to simplify description, rather than
Indicate or infer the device of indication or element must have specific orientation, be specific azimuth configuration and operation, thus can not
It is interpreted as the present invention is protected with the restriction of content.
Claims (5)
1. a kind of disconnecting link with angle limit open away from adjustment fixture it is characterised in that: it include adjust rotating shaft, fork-shaped support rod, tune
Pole and deck, the left and right both ends adjusting rotating shaft are respectively equipped with axial left regulation screwed hole and right regulation screwed hole, left tune
The female thread of section screwed hole and right regulation screwed hole is oppositely oriented, and fork-shaped support rod is positive externally threaded by fork-shaped support rod fork and band
Fork-shaped support rod bar portion connects composition, and the opening of fork-shaped support rod fork is towards right side, fork-shaped support rod bar portion and the left tune adjusting rotating shaft
Section screwed hole is threaded；Adjusting rod is provided with reverse external screw thread, and adjusting rod is with the right regulation screwed hole screw thread adjusting rotating shaft even
Connect；Deck is articulated and connected with the right part of adjusting rod, and the side of deck dorsad adjusting rod is provided with draw-in groove；
It is provided with angular stop means, angular stop means include being opened in card at triangular form deck and the articulated position of adjusting rod
Stopper slot in seat, the uncovered direction of stopper slot is opposite with the uncovered direction of draw-in groove, fixing between the two side up and down of stopper slot
It is provided with bearing pin, the right part of adjusting rod is stretched into and is fixedly installed swivel base on stopper slot and the right part of adjusting rod, swivel base is opened
It is provided with the turn hole matching with described bearing pin, swivel base is sheathed on bearing pin by turn hole thereon and is rotatably assorted with it；Spacing
It is fixedly installed positive limited block at direction positioned at rotating forward of adjusting rod in groove, in stopper slot, be located at rotating backward of adjusting rod
It is fixedly installed anti-limited block at direction, and the positive line between bearing pin for the line and anti-limited block between bearing pin for the limited block
Angle angle be 60 °～120 °.
2. the disconnecting link with angle limit according to claim 1 open away from adjustment fixture it is characterised in that: described fork-shaped support rod
Left locking nut is equipped on bar portion, described adjusting rod is equipped with right locking nut.
3. the disconnecting link with angle limit according to claim 1 and 2 open away from adjustment fixture it is characterised in that: described deck
For right angle trigonometry type deck, the uncovered right angle positioned at right angle trigonometry type deck of described stopper slot, the uncovered position of described draw-in groove
At the hypotenuse of right angle trigonometry type deck.
4. the disconnecting link with angle limit according to claim 3 open away from adjustment fixture it is characterised in that: described draw-in groove is straight
Angle draw-in groove.
5. the disconnecting link with angle limit according to claim 4 open away from adjustment fixture it is characterised in that: described fork-shaped support rod
Fork is u-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059834.5A CN106356748B (en) | 2016-11-28 | 2016-11-28 | A kind of disconnecting link with angle limit is opened away from adjustment fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059834.5A CN106356748B (en) | 2016-11-28 | 2016-11-28 | A kind of disconnecting link with angle limit is opened away from adjustment fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106356748A true CN106356748A (en) | 2017-01-25 |
| CN106356748B CN106356748B (en) | 2019-02-12 |
Family
ID=57862810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611059834.5A Active CN106356748B (en) | 2016-11-28 | 2016-11-28 | A kind of disconnecting link with angle limit is opened away from adjustment fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106356748B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684742A (en) * | 2017-03-30 | 2017-05-17 | 国网河南禹州市供电公司 | Knife switch opening travel adjusting device for substation equipment overhaul |
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| CN104852304A (en) * | 2015-06-16 | 2015-08-19 | 国网山西省电力公司电力科学研究院 | Adjustable installation support for drop-out fuse |
| CN206225849U (en) * | 2016-11-28 | 2017-06-06 | 国网河南省电力公司三门峡供电公司 | A kind of disconnecting link with angle limit is opened away from adjustment fixture |
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2016
- 2016-11-28 CN CN201611059834.5A patent/CN106356748B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908419A (en) * | 2010-08-31 | 2010-12-08 | 东莞市科力钢铁线材有限公司 | High accuracy adjustable travel switch |
| CN203013578U (en) * | 2012-12-02 | 2013-06-19 | 河南省电力公司郑州供电公司 | A dismounting device of a GW5 isolating switch contact |
| CN204386317U (en) * | 2014-11-29 | 2015-06-10 | 无锡市福曼科技有限公司 | A kind of rotary hinge structure |
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| CN106684742A (en) * | 2017-03-30 | 2017-05-17 | 国网河南禹州市供电公司 | Knife switch opening travel adjusting device for substation equipment overhaul |
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| Publication number | Publication date |
|---|---|
| CN106356748B (en) | 2019-02-12 |
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