CN104867793B - Imitative hand formula action bars - Google Patents
Imitative hand formula action bars Download PDFInfo
- Publication number
- CN104867793B CN104867793B CN201510348102.7A CN201510348102A CN104867793B CN 104867793 B CN104867793 B CN 104867793B CN 201510348102 A CN201510348102 A CN 201510348102A CN 104867793 B CN104867793 B CN 104867793B
- Authority
- CN
- China
- Prior art keywords
- outer tube
- action bars
- rack
- pawl
- hand formula
- 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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Links
- 230000033001 locomotion Effects 0.000 claims abstract description 32
- 230000008685 targeting Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/056—Tools for actuating a switch
Landscapes
- Clamps And Clips (AREA)
Abstract
The present invention relates to rod-type operation instrument, particularly to a kind of imitative hand formula action bars.The imitative hand formula action bars include outer tube and be assembled together with outer tube, can be along outer axial tube to the motion bar of reciprocating movement, the drive mechanism that the front end of motion bar is connected with two or more pendulum pawl, rear-end transmission is connected with, retractable crawl mouth is formed between pendulum pawl, drive mechanism can drive motion bar movable backward with respect to outer tube, be provided with the front port of outer tube and close up guide frame, close up guide frame be included in pendulum pawl it is movable backward when drive the targeting port that closes up of pendulum pawl.During use, crawl mouth is in open mode before object is caught, and is easy to catch object, after catching object, can be held on to, therefore can accordingly be operated without and worry that it can be slipped from object.In summary, the imitative hand formula action bars of this present invention is not only easy to operate, and reliable operation, can very easily use.
Description
Technical field
The present invention relates to rod-type operation instrument, particularly to a kind of imitative hand formula action bars.
Background technology
Fuse switch is used to be arranged on distribution branched line and distribution transformer, when for distribution branched line
When upper, if line fault, it can play a part of reducing power failure range, in addition, because it has an obvious cut-off point, drop type
Fuse is provided simultaneously with the function of disconnecting switch, can be that maintenance section circuit and equipment create safety work environment, increase maintenance
The sense of security of personnel.When on distribution transformer, fuse switch can be as the main protection of distribution transformer.Mesh
Before, in 10KV power systems, fuse switch has quite varied application.
Insulating part（Generally insulator）It is the one of the chief component of fuse switch, wherein cartridge fuse with cartridge fuse
Hold and be hinged with support set on insulating part, disconnect by the Contact Breaking/Making Operations lock on the other end and insulating part or connect electricity
Road.The wherein free end of cartridge fuse（Remote one end with support）Operation ring is provided with, operation ring is used for and corresponding action bars
Carry out cooperation and drive cartridge fuse divide-shut brake.In the prior art, the action bars for operating cartridge fuse is simple rod member, and it is only
Only it is that the backing pin radially extended to bar is provided with one end of bar, when in use, backing pin is inserted into the operation of cartridge fuse
In ring, then cartridge fuse is promoted to close a floodgate by bar.Because fuse switch using position majority is by certain height
, using aforesaid operations bar in the case of, because it has certain length, it is one more tired that backing pin, which is inserted into operation ring,
Difficult thing, very influence the efficiency of staff；In addition, when running into the situation of fuse switch corrosion and ageing, cartridge fuse
The resistance increase of divide-shut brake, this can bring corresponding difficulty to the combined floodgate of cartridge fuse, during using aforesaid operations bar, often occur
The situation of multi-pass operation failure, it appears more inconvenient.
In addition to the operation of fuse switch needs to use action bars, installation of the circuit alarming device to overhead line and
Dismounting is also required to use action bars, and the wherein combination of circuit alarming device and overhead line is realized by wire clamp, therefore is operated
The operation object of bar is wire clamp.Notification number is that the main solar energy circuit that passively combines is protected disclosed in CN204141461U Chinese patent
A kind of structure of wire clamp it has been related in shield warning lamp, the wire clamp is a crozier, is screw outside the mouth hanging of crozier, screw is matched somebody with somebody
Plying bar, screw mandrel one end corresponding with mouth hanging are wire clamping face, and the screw mandrel other end is link, and wire clamping face is strip shape body,
Strip shape body and mouth hanging corresponding surface be the groove for clamping electric wire and its be rotatably assorted with screw mandrel, when needing to fix warning lamp
When, the coupler body of conductor grip is ridden on transmission line of electricity by corresponding action bars first and holds it in the posture of setting, so
Screw mandrel is turned by the instrument on other action bars again afterwards, integrally fixed warning lamp so as to clamp transmission line of electricity, when need
When unloading warning lamp, two action bars bar compounding practices are needed also exist for.By above description, passively combined in above-mentioned master
In solar energy route protection warning lamp, either wire clamp, or action bars, they all there is it is inconvenient for use the problem of, on
The problem of wire clamp inconvenience, can be solved by the structure type of spring, hook and fastening body, i.e., by the mobilizable dress of fastening body
Fit on hook, push up shock mount between hook and fastening body, spring and then promote fastening body that wire clamp is fixed on overhead line.
But even if using this structure wire clamp, existing action bars also or need two cooperations could work, however it remains
The problem of inconvenient for use.
The content of the invention
It is an object of the invention to provide a kind of imitative hand formula action bars, to solve the problems, such as that existing action bars is inconvenient for use.
In order to solve the above problems, imitative hand formula action bars of the invention uses following technical scheme：Imitative hand formula action bars, bag
Include outer tube and be assembled together with outer tube, two can be connected with along outer axial tube to the motion bar of reciprocating movement, the front end of motion bar
Pawl is put more than individual, the drive mechanism that rear-end transmission is connected with, form retractable crawl mouth between pendulum pawl, drive mechanism can drive
Motion bar is movable backward with respect to outer tube, is provided with the front port of outer tube and closes up guide frame, closed up guide frame and be included in pendulum pawl
The targeting port for driving pendulum pawl to close up when movable backward, close up in the targeting port of guide frame and be provided with for when putting pawl forward movement
Drive the separated scattered guide of pendulum pawl；A guide pin bushing is provided with the leading portion of outer tube, guide pin bushing composition pendulum pawl closes up guide frame,
The guide runner for being oriented to cooperation vertically therewith is provided with guide pin bushing, pendulum pawl with guide runner by being hinged to be located at the front end of outer tube
Place；When putting pawl when activity is closed up backward, can shrink in guide pin bushing.
The elastic component for pushing pendulum pawl forward is provided with outer tube.
Motion bar is located in outer tube, and drive mechanism includes the rack being located in outer tube and for stirring dialling for rack backward
Bar.
Outer tube is provided with the driving lever seat extended to radial direction side, and driving lever hinge mounted is on the driving lever seat and and handle
Between be provided with drive driving lever reset back-moving spring.
Driving lever is provided with forms what can be held in the lump with outer tube during operation in the boosting-rod of angular arrangement, boosting-rod therewith
Hand-held pole.
The elastic component for pushing pull bar forward is top-loaded between motion bar and outer tube, is equipped with outer tube for locking tooth forward
The lockable mechanism of bar.
Lockable mechanism includes radially being inserted into lock pin on outer tube, can stumbling tooth on rack, outer tube and lock pin
Between be provided with drive lock pin pin rack locking spring.
Lock pin is provided with perforation, and rack passes through the perforation, and the opening's edge of the side of the tooth on the close rack of perforation is formed
Coordinate the structure of locking rack with the tooth on rack.
When using the imitative hand formula action bars of the present invention, by drive mechanism motion bar can be driven to be moved back relative to outer tube
Dynamic, then motion bar band movable pendulum pawl while movement is moved rearwards, and puts pawl and then in the effect for the targeting port for closing up guide frame
Under close up and shrink crawl mouth, and then corresponding object and the operation to being pushed away or being pulled down on it can be captured, what is used
During, crawl mouth is in open mode before object is caught, and is easy to catch object, can be by it tightly after catching object
Catch, therefore can accordingly be operated without and worry that it can be slipped from object.In summary, the imitative hand formula behaviour of this present invention
It is not only easy to operate to make bar, and reliable operation, can very easily it use.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of imitative hand formula action bars；
Fig. 2 is the profile of the embodiment of imitative hand formula action bars；
Fig. 3 is the front view of lock pin；
Fig. 4 is Fig. 3 A-A sectional views；
Fig. 5 is the structural representation of the wire clamp of overhead line alarming device.
Embodiment
The embodiment of imitative hand formula action bars, as Figure 1-4, the imitative hand formula action bars include outer tube 101, pendulum pawl 201, lived
Lever 301 and drive mechanism 401.
In the present embodiment, outer tube 101 divides for three sections, and it is defined as into leading portion successively according to order from front to back herein
11st, stage casing 12 and back segment 13.Before, during and after section is coaxial is fixed together, be to be consolidated after grafting two-by-two between them
It is fixed.
Pawl 201 is put at the front end of the leading portion of outer tube, in the present embodiment, a guide pin bushing 102 is provided with leading portion 11, is led
The guide runner 103 for being oriented to cooperation vertically therewith is provided with set 102, pendulum pawl 201 with guide runner 103 by being hinged to be located at
At the front end of outer tube 101, in the present embodiment, pendulum pawl 201 has three, and three pendulum pawls 201 surround a retractable crawl mouth
104, guide pin bushing 102 forms the guide frame that closes up of pendulum pawl 201, and the front port of guide pin bushing 102 forms the targeting port for closing up guide frame,
When pendulum pawl 201 is moved rearwards, targeting port drives each pendulum pawl 201 to close up to capture object；In order to ensure to put pawl 201 in natural shape
It is in open state that can keep capturing mouth under state, closes up in the targeting port of guide frame and is additionally provided with for putting pawl 201 to reach
Pendulum pawl 201 separated scattered guide 501 is driven when dynamic, in this embodiment, it is with leading by dowel 51 to disperse guide 501
Cover inwall connection baffle plate 52, pendulum pawl 201 move forward during, the outer peripheral face of baffle plate 52 it is matched and drive its to
Periphery is swung, so as to open crawl mouth.In order to prevent pendulum pawl 201 voluntarily in retraction to outer tube 101, in the present embodiment, outer tube
Elastic component provided with pushing pendulum pawl forward in 101, referred to herein as the first elastic component 105, in the present embodiment, the first elastic component
105 specifically using helical spring, and it in guide pin bushing 102 by being located in outer tube 101.
For motion bar 301 in outer tube 101, it can be along the axially reciprocating of outer tube 101, in the present embodiment, activity
Bar 301 is formed by two sections of engagements, and it is defined as to the first bar segment 31 and the second bar successively according to order from front to back herein
Section 32, the circular in cross-section of the first bar segment 31, its in the leading portion 11 of outer tube 101 and with the leading portion 11 of outer tube 101 it
Between be top-loaded with elastic component, by guide runner 103 with pendulum pawl 201 be connected, the elastic component is defined as the second elastic component herein
106, the second elastic component 106 pushes on movable bar 301 forward, so that it can not live forward automatically in the case of by external force
Move and be maintained at front position.Second bar segment 32 is fixed together with the first bar segment, and it is located at the stage casing of outer tube 101
12, the second bar segment 32 uses plank frame, and this is done to ensure the intensity of motion bar while convenient connect, mitigate and live
The weight of lever, and then mitigate the weight of whole operation bar, reduce its cost.
Drive mechanism includes rack 41 and the driving lever 42 for stirring rack backward, rack 41 are located at the back segment of outer tube 101
Linked together in 13 and by connecting pin and motion bar 301, therefore the motion of rack 41 will be converted into motion bar 301
Motion；The back segment of outer tube 101 is provided with driving lever seat 15, and driving lever seat 15 extends to the radial direction side of outer tube 101, in the present embodiment
In, driving lever seat 15 constitutes handguard ring structure simultaneously, and the hinge mounted of driving lever 42 is on driving lever seat 15 and between driving lever seat 15
Provided with back-moving spring 107, back-moving spring 107 is used to drive the automatic backswing of driving lever to reset, in the present embodiment, back-moving spring 107
Specifically using torsion spring；For the ease of carrying out force operation to driving lever, driving lever is provided with therewith in the boosting-rod of angular arrangement
43, boosting-rod 43 forms the hand-held pole that can be held in the lump with outer tube during operation.When in use, can be by holding boosting-rod
It is moved rearwards to stir rack by driving lever, so as to realize the driving to motion bar backward.
In view of the presence of above-mentioned second elastic component, in order to realize to the automatic cumulative of the amount of movement of rack, is assembled on outer tube
Have the lockable mechanism for locking rack forward, in the present embodiment, lockable mechanism include radially be inserted into it is on outer tube, can
To stumble the lock pin 61 of the tooth on rack, wherein lock pin 61 is provided with perforation 611, and rack passes through the perforation, perforation it is close
The opening's edge of the side of tooth on rack forms the structure for coordinating locking rack with the tooth on rack, and the tooth on rack is set to helical teeth,
The corresponding side opening edge of perforation can allow rack one-way movable backward in the wedge shape being adapted to therewith, without allowing rack forward
Activity, the locking spring 62 for driving lock pin to pin rack is provided between outer tube and lock pin, therefore during use, gear exists
When needing to discharge rack, then it will all be pressed lock pin by lock pin locking and compressed lock after each mobile end in the presence of driving lever
Only spring.
When making the cartridge fuse of the imitative hand formula action bars operation fuse switch, it can directly get cartridge fuse with pendulum pawl and grasp
Work, without coordinating again with the operation ring on cartridge fuse.Due to eye-catching for the operation ring of cartridge fuse relatively thereon
It is more, and put claw type into crawl mouth may be at open configuration early stage in crawl, therefore can easily " catching " it is molten
Fiber tube, when cartridge fuse divide-shut brake is driven, due to the presence of lockable mechanism, cartridge fuse is caught by firm, now can be with
Trust it is bold cartridge fuse is exerted a force to operate, the successful probability of operation can be greatly improved.
When the wire clamp for making the imitative hand formula action bars operation handling overhead line alarming device（See Fig. 5）When, to overhead line
Upper installation alarming device, then the axle portion of fastening body 1001 can be caught so that fastening body to be drawn relative to hook 1002 by putting pawl first
Move and avoid the mouth of hook, during this, the front end face of outer tube can withstand hook 1002 as support, and wire clamp then is hung over into frame
On ceases to be busy and posture is adjusted, presses the lock pin of lockable mechanism, then rack and motion bar are released, and motion bar is first, second
Moved in the presence of elastic component to the front end of outer tube, close up spacing failure of the guide frame to pendulum pawl, pendulum pawl is embraced to fastening body
Clamp force disappears, and fastening body can be released and then be matched for clamping tightly overhead line with hook in the presence of holddown spring.If desired tear open
Alarming device is unloaded, then the axle portion for catching the fastening body of wire clamp by putting pawl, moves, gets out of the way after then driving pendulum pawl by drive mechanism
After the opening of hook, alarming device is removed.
In the other embodiments of imitative hand formula action bars, outer tube can also use one whole pipe；The quantity of pawl is put according to need
To be that two or more all may be used；Pendulum pawl can also be fit directly into the front end of motion bar；Close up guide frame can also be directly by
The front port of outer tube is formed；Scattered guide can also be directly arranged on outer tube or omit, and put the scattered of pawl and may also rely on
Torsion spring on its balance staff is realized；Motion bar can also be located at the outside of outer tube；First, second elastic component can also each save
Slightly, only coordinated in such cases by drive mechanism and motion bar to keep putting the state of pawl；Drive mechanism can also adopt
With screw-nut body, in such cases, it directly can be set to nut by the 3rd section of outer tube and be rotatablely connected with other parts, will
Rack is changed to leading screw；Lockable mechanism can also omit, in such cases, it is only necessary to which design driving lever can be dialled to rack as needed
Dynamic distance；Lockable mechanism can also use the ratchet on outer tube.
Claims (8)
1. imitative hand formula action bars, it is characterised in that being assembled together including outer tube and with outer tube, can yearn for along outer axial tube and bring back to life
Dynamic motion bar, the front end of motion bar are connected with the drive mechanism that two or more puts pawl, rear-end transmission is connected with, and put shape between pawl
Into retractable crawl mouth, drive mechanism can drive motion bar movable backward with respect to outer tube, be provided with and close up at the front port of outer tube
Guide frame, close up guide frame be included in pendulum pawl it is movable backward when drive the targeting port that closes up of pendulum pawl, close up guide frame
It is provided with targeting port and is used to drive the separated scattered guide of pendulum pawl when putting pawl and moving forward；One is provided with the leading portion of outer tube
Guide pin bushing, guide pin bushing form the guide frame that closes up of pendulum pawl, the guide runner for being oriented to cooperation vertically therewith are provided with guide pin bushing, and pendulum pawl leads to
Cross be hinged with guide runner and be located at the front end of outer tube；When putting pawl when activity is closed up backward, can shrink in guide pin bushing.
2. imitative hand formula action bars according to claim 1, it is characterised in that the elasticity for pushing pendulum pawl forward is provided with outer tube
Part.
3. imitative hand formula action bars according to claim 1, it is characterised in that motion bar is located in outer tube, drive mechanism bag
Include the rack in outer tube and the driving lever for stirring rack backward.
4. imitative hand formula action bars according to claim 3, it is characterised in that outer tube is provided with to what radial direction side extended and dialled
Pole socket, driving lever hinge mounted are provided with the back-moving spring for driving driving lever to reset on the driving lever seat and between handle.
5. imitative hand formula action bars according to claim 4, it is characterised in that driving lever is provided with adding in angular arrangement therewith
Power bar, boosting-rod form the hand-held pole that can be held in the lump with outer tube during operation.
6. imitative hand formula action bars according to claim 3, it is characterised in that be top-loaded between motion bar and outer tube and push away forward
The elastic component of pull bar is pressed, the lockable mechanism for locking rack forward is equipped with outer tube.
7. imitative hand formula action bars according to claim 6, it is characterised in that lockable mechanism includes radially being inserted into outer tube
On, lock pin that tooth on rack can be stumbled, the locking spring for driving lock pin to pin rack is provided between outer tube and lock pin.
8. imitative hand formula action bars according to claim 7, it is characterised in that lock pin is provided with perforation, and rack is described in
Perforate, the opening's edge of the side of the tooth on the close rack of perforation forms the structure for coordinating locking rack with the tooth on rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348102.7A CN104867793B (en) | 2015-06-23 | 2015-06-23 | Imitative hand formula action bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348102.7A CN104867793B (en) | 2015-06-23 | 2015-06-23 | Imitative hand formula action bars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104867793A CN104867793A (en) | 2015-08-26 |
| CN104867793B true CN104867793B (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510348102.7A Active CN104867793B (en) | 2015-06-23 | 2015-06-23 | Imitative hand formula action bars |
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| CN (1) | CN104867793B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040974A (en) * | 2017-12-13 | 2018-05-18 | 枞阳县鑫誉黑斑蛙养殖有限责任公司 | A kind of Rana nigromaculata pinpoints break catching apparatus |
| CN109087825B (en) * | 2018-09-26 | 2019-10-08 | 云南电网有限责任公司电力科学研究院 | A kind of stay-supported re-setting device used for relay protection |
| CN111180222A (en) * | 2019-12-31 | 2020-05-19 | 国网山东省电力公司莱芜供电公司 | Link bar with simple manipulator |
| CN111740350B (en) * | 2020-06-24 | 2021-06-08 | 田忠芳 | Automatic wire burying device for hydraulic and hydroelectric engineering |
| CN112590676B (en) * | 2020-12-22 | 2022-04-05 | 安徽工业大学 | Hook mechanical mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051546Y (en) * | 2007-06-25 | 2008-04-23 | 安德柱 | Ground operation bar |
| CN102969638A (en) * | 2012-12-11 | 2013-03-13 | 河南省电力公司商丘供电公司 | Ground wire operating rod |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4364856B2 (en) * | 2005-08-29 | 2009-11-18 | 中国電力株式会社 | Work bar |
| CN202696049U (en) * | 2012-05-31 | 2013-01-23 | 富阳市供电局 | Electrodynamic type insulating operating rod |
| CN204696066U (en) * | 2015-06-23 | 2015-10-07 | 河南荣升电气有限公司 | A kind of imitative hand formula action bars |
-
2015
- 2015-06-23 CN CN201510348102.7A patent/CN104867793B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051546Y (en) * | 2007-06-25 | 2008-04-23 | 安德柱 | Ground operation bar |
| CN102969638A (en) * | 2012-12-11 | 2013-03-13 | 河南省电力公司商丘供电公司 | Ground wire operating rod |
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| Publication number | Publication date |
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| CN104867793A (en) | 2015-08-26 |
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Address after: 466000 West Section of Weisan Road, Xiangcheng Industrial Agglomeration Area, Zhoukou City, Henan Province Co-patentee after: Rong Guanghui Patentee after: HENAN RONGSHENG ELECTRIC Co.,Ltd. Co-patentee after: Rong Huaming Co-patentee after: Zhu Changlei Co-patentee after: Zhu Changyong Address before: Zhoukou City, Henan province 466200 Xiangcheng Road West Wing office Gwangmu Co-patentee before: Rong Guanghui Patentee before: HENAN RONGSHENG ELECTRIC Co.,Ltd. Co-patentee before: Rong Huaming Co-patentee before: Zhu Changlei Co-patentee before: Zhu Changyong |
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Effective date of registration: 20240813 Address after: No. 76 Cuizhu Street, High tech Industrial Development Zone, Zhengzhou City, Henan Province 450000 Patentee after: Henan Haoze Electric Power Technology Co.,Ltd. Country or region after: China Patentee after: Rong Guanghui Patentee after: Rong Huaming Patentee after: Zhu Changlei Patentee after: Zhu Changyong Address before: 466000 West Section of Weisan Road, Xiangcheng Industrial Cluster, Zhoukou, Henan Province Patentee before: HENAN RONGSHENG ELECTRIC CO.,LTD. Country or region before: China Patentee before: Rong Guanghui Patentee before: Rong Huaming Patentee before: Zhu Changlei Patentee before: Zhu Changyong |
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