CN102394481B - Self-locking device used for lifting member - Google Patents
Self-locking device used for lifting member Download PDFInfo
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- CN102394481B CN102394481B CN 201110307572 CN201110307572A CN102394481B CN 102394481 B CN102394481 B CN 102394481B CN 201110307572 CN201110307572 CN 201110307572 CN 201110307572 A CN201110307572 A CN 201110307572A CN 102394481 B CN102394481 B CN 102394481B
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- well cabinet
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- 238000007665 sagging Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000003028 elevating effect Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention discloses a self-locking device used for lifting a member, which belongs to the field of electricity transmitting line upkeep. The self-locking devices are arranged on two parallel jing-shaped frames (the jing is a Chinese character and means well) of a lifting platform in pairs and opposite to each other. Each self-locking device comprises a fixed blocking block, a hand grab, a reset spring and a balanced cable, wherein the fixed blocking block is arranged on the jing-shaped frame along a horizontal transverse frame of the jing-shaped frame, a firs end of the hand grab is pivoted on the fixed blocking block by a rotating shaft, a second end of the hand grab is provided with a notch, a first end of the rest spring is connected with a lower grabbing part of the notch, a second end of the reset spring is connected on the jing-shaped frame below the fixed blocking block, a first end of the balanced cable is connected with an upper grabbing part of the notch, a second end of the balanced cable droops naturally after passing by a pulley fixed on the jing-shaped frame above the fixed blocking block, when the self-locking device is balanced, the hand grab is inclined to the plane, and when the self-locking device is closed, the hand grab is parallel to the plane.
Description
Technical field
The present invention relates to a kind of self-locking device for the member lifting in Maintenance of Electric Transmission Line field.
Background technology
Along with the fast-developing and large-scale urban construction of regional economy in recent years, the electric load demand continues to increase substantially, and the user has higher requirement to the q﹠r of power supply simultaneously, generally wishes to reduce interruption duration and number of times.In order to ensure satisfying the demand of user to electric power, carried out the charging construction operation, become inevitable requirement to reduce the power failure scope with interruption duration.
At present, the tools for live working that can arrive accident spot fast mainly is the 10kV aerial lift device with insulated arm, yet the 10kV aerial lift device with insulated arm can not enter places such as ruelle, lanes and alleys, residential area, farmland, thereby can't carry out live line working; Namely enable to enter these places, also often obstruction, cause social bad repercussion.On the one hand, the 10kV aerial lift device with insulated arm is expensive in addition, is equipped with limited amount, can not take for a long time.
In sum, it is necessary developing the manned live line working insulating tool that adapts to above-mentioned environment.The live line working insulating tool comprises hoistable platform, and this hoistable platform must take up an area of little, conveniently builds and removes, and must guarantee workmen's safety in the process of building.Simultaneously, this hoistable platform must be fixed on the insulated platform of live line working insulating tool the assigned address that carries out live line working work.But the report of this respect is also few at present.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, a kind of self-locking device for the member lifting in Maintenance of Electric Transmission Line field is provided.It can be fixed on assigned address with the insulated platform of live line working insulating tool, makes things convenient for live line working personnel's hot line job, also guarantees live line working personnel's personal safety.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of self-locking device for the member lifting, described self-locking device are arranged on two well cabinet frames that be arranged in parallel of hoistable platform in pairs in opposite directions; Described self-locking device comprises fixed stop, handgrip, back-moving spring and tail rope;
Described fixed stop is erected on the described well cabinet frame along the horizontal cross of described well cabinet frame;
On described fixed stop, serve as reasons and go up the recess that grasping part and following grasping part are formed by second end of described handgrip by rotation axis hinge joint for first end of described handgrip;
First end of described back-moving spring connects the following grasping part of described recess, and second end of described back-moving spring is connected on the well cabinet frame of described fixed stop below;
First end of described tail rope connects the last grasping part of described recess, and second end of described tail rope is walked around behind the pulley on the well cabinet frame that is fixed in described fixed stop top sagging naturally;
During described self-locking device balance, described handgrip and horizontal plane tilt,
During described self-locking device locking, described handgrip is parallel with horizontal plane.
Further, during described self-locking device release, described handgrip is vertical with horizontal plane.Further, described fixed stop is erected on the vertical equity crossbeam of described well cabinet frame along the horizontal cross of described well cabinet frame.
Further, second end of described back-moving spring is connected on the column of well cabinet frame of described fixed stop below.
Further, described pulley 46 is fixed on the transverse horizontal crossbeam 52 or vertical equity crossbeam 53 of well cabinet frame of described fixed stop top.
Adopt the technical scheme of a kind of self-locking device for the member lifting of the present invention, namely by the position of back-moving spring and tail rope control handgrip, realized release and the locking of self-locking device.The technique effect of its generation is that described self-locking device can be fixed on the insulated platform of live line working insulating tool the assigned address of hoistable platform, thereby makes things convenient for live line working personnel's hot line job, also guarantees live line working personnel's personal safety.
Description of drawings
Fig. 1 is the structural representation of a kind of self-locking device for the member lifting of the present invention;
Fig. 2 a is a kind of handgrip position view of self-locking device under blocking for the member lifting of the present invention;
Fig. 2 b is a kind of handgrip position view of self-locking device under released state for the member lifting of the present invention;
Fig. 3 a is the structural representation that the hoistable platform of a kind of self-locking device for the member lifting of the present invention is installed before the inner support of hoistable platform and insulated platform are installed;
Fig. 3 b is the inner support structural representation of hoistable platform;
Fig. 3 c is the single-unit structure side view of the inner support of hoistable platform;
Fig. 3 d is the hydraulic trolley structural representation of hoistable platform;
The structural representation of Fig. 4 hoistable platform of a kind of self-locking device for the member lifting of the present invention for the inner support of hoistable platform and insulated platform are equipped with after installing;
The perspective view of Fig. 5 hoistable platform of a kind of self-locking device for the member lifting of the present invention for the inner support of hoistable platform and insulated platform are equipped with after installing.
Embodiment
To see also Fig. 1 to Fig. 5, in order understanding technical scheme of the present invention better, below by embodiment particularly, and to be described in detail by reference to the accompanying drawings:
A kind of self-locking device for the member lifting of the present invention, described self-locking device are arranged on two well cabinet frames 5 that be arranged in parallel of hoistable platform in pairs in opposite directions.
See also Fig. 1, Fig. 1 is the structural representation of a kind of self-locking device for the member lifting of the present invention.Described self-locking device comprises fixed stop 41, handgrip 42, back-moving spring 43 and tail rope 44; Wherein fixed stop 41 is erected on the described well cabinet frame 5 along the horizontal cross of described well cabinet frame 5, first end of described handgrip 42 is articulated on the described fixed stop 41 by rotation axis 45, the recess 421 that grasping part and following grasping part were formed on second end of described handgrip 42 was served as reasons; First end of described back-moving spring 43 connects the following grasping part of described recess 421, and second end of described back-moving spring 43 is connected on the well cabinet frame of described fixed stop 41 belows; First end of described tail rope 44 connects the last grasping part of described recess 421, and pulley 46 backs that second end of described tail rope 44 is walked around on the well cabinet frame 5 that is fixed in described fixed stop 41 tops are sagging naturally.
In actual use, described fixed stop 41 is that horizontal cross along described well cabinet frame 5 is erected on the vertical equity crossbeam of described well cabinet frame; Second end of described back-moving spring 43 generally all is fixed on the column 51 of well cabinet frame 5 of described fixed stop 41 belows; Described pulley 46 generally is fixed on the transverse horizontal crossbeam 52 or vertical equity crossbeam 53 of well cabinet frame 5 of described fixed stop 41 tops; She Ji purpose is to increase the structural strength of described self-locking device like this.
Among Fig. 1, described self-locking device is in poised state, the pulling force that described tail rope 44 produces equates with the pulling force moment that back-moving spring 43 produces, described handgrip 42 tilts with horizontal plane, at this moment, handgrip 42 residing positions must be able to guarantee that the vertical equity crossbeam 61 of described inner support 6 can slip in the recess 421 of described handgrip 42 in the process of the inner support 6 downward landings of described hoistable platform.In the time of in actual use can be according to described self-locking device balance, the inner support 6 of the different choice different size of handgrip 42 positions.See also Fig. 2 a and Fig. 2 b, what Fig. 2 a and Fig. 2 b showed is that a kind of self-locking device for the member lifting of the present invention is under blocking and the released state location drawing of described handgrip 42 respectively.
Self-locking device is in blocking described in Fig. 2 a, and this moment, handgrip 42 was parallel with horizontal plane, and the vertical equity crossbeam 61 of described hoistable platform inner support 6 is subjected to the support of the recess 421 of described handgrip 42, and described inner support 6 no longer falls.
Self-locking device is in released state described in Fig. 2 b, this moment, handgrip 42 was vertical with horizontal plane, can make inner support 6 in dropping process, not be subjected to the stopping of handgrip 42 of described self-locking device like this, but handgrip 42 is vertical with horizontal plane to be not necessary condition, as long as when described self-locking device is in released state, guarantee that inner support 6 is not got final product by the stopping of handgrip 42 of described self-locking device in dropping process.The purpose that tail rope 44 is set among the present invention is in the process of dismounting inner support 6, handgrip 42 is moved to the position of release, the stopping of handgrip 42 that guarantees described inner support 6 to fall in can the space between two handgrips 42 of the self-locking device that arranges in pairs and be not subjected to described self-locking device, so tail rope 44 is necessary parts.
Be example with Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d, Fig. 4 and Fig. 5 below, the hoistable platform that a kind of self-locking device 4 for the member lifting of the present invention is installed be described, the process of jacking insulated platform 1.
Described hoistable platform comprises two parallel well cabinet frames 5, inner support 6, hydraulic trolley 7 and a kind of self-locking device 4 for the member lifting of the present invention, the inboard guide rail 56 that vertical direction is set in pairs in opposite directions in described two well cabinet frame 5 bottoms, described hydraulic trolley 7 comprises action bars 71 and hydraulic regulation valve 72, the both sides of described hydraulic trolley 7 arrange pulley 73, and the top of described dolly is the mounting plane of carrying insulated platform 1, insulation gap 2, fine setting elevating mechanism 3 and inner support 6.
At first good the baseplane horizontal positioned that is used for installing hoistable platform under the construction point, set up the well cabinet frame 5 of hoistable platform in corresponding position, described well cabinet frame 5 bottom surfaces arrange horizontal set screw 57, regulate described horizontal set screw 57, make described well cabinet frame 5 to vertical state, and it is described well cabinet frame 5 is fixing, usually adopt the form of diagonal brace 54 that described well cabinet frame 5 is fixed in actual use, then between two parallel well cabinet frames 5, hydraulic trolley 7 is set, the pulley 73 of described hydraulic trolley 7 is connected on the described guide rail 56, described hydraulic trolley 7 can be carried out the slippage of vertical direction along described guide rail 56, to insulated platform 1, insulation gap 2, fine setting elevating mechanism 3 and inner support 6 carry out the jacking operation.At this moment, the described self-locking device 4 on the well cabinet frame 5 is in poised state.In order fixedly between 5, two well cabinet frames 5 of well cabinet frame fixed cross beam 55 to be set also.Shown in Fig. 3 a.
The insulated platform 1, insulation gap 2, fine setting elevating mechanism 3 and the joint inner support 6 that assemble are done as a whole (not showing among Fig. 3 a), directly be placed on the mounting plane of hydraulic trolley 7, remove to step on the action bars 71 of described hydraulic trolley 7 with pin, make hydraulic trolley 7 described guide rail 56 upwards slippages.The handgrip 42 of 61 pairs of described self-locking devices 4 of vertical equity crossbeam of described inner support 6 produces a thrust that makes progress, this makes the original equalising torque of the handgrip 42 of described self-locking device 4 destroyed, angle between handgrip 42 and the horizontal plane increases, and makes the vertical equity crossbeam 61 of described inner support 6 cross the handgrip 42 of described self-locking device 4.This moment, hydraulic trolley 7 no longer rose, and unclamped the hydraulic regulation valve 72 of described hydraulic trolley 7, made described hydraulic trolley 7 drop to the bottom along described guide rail 56.And the handgrip 42 of described self-locking device 4 is got back to the equilbrium position under the effect of back-moving spring 43 pulling force, the vertical equity crossbeam 61 of inner support is in the process that inner support 6 falls, fall in the recess 421 of handgrip 42 of described self-locking device 4, described handgrip 42 is under inner support 6 and the effect with top gravity, make the handgrip 42 of described self-locking device 4 arrive locked position of coupler, under the supporting role of the vertical equity crossbeam 61 of 421 pairs of inner supports 6 of recess of the handgrip 42 of described self-locking device 4, inner support 6 and no longer descend with top.Just formed a unlimited space like this between the mounting plane of the bottom of inner support 6 and hydraulic trolley 7, the height in this space is greater than the height of a joint inner support 6.Put into the second joint inner support 6 then, using the same method makes described hydraulic trolley 7 rise along described guide rail 56.When first segment contacted with the second joint inner support 6, hydraulic trolley 7 kept static.Fast the column 63 of first segment and the second joint inner support 6 is fixed with stainless steel adapting piece 64 then.Then hydraulic trolley 7 continues to rise along described guide rail 56, after the vertical equity crossbeam 61 of the second joint inner support 6 is crossed the handgrip 42 of described self-locking device 4, described hydraulic trolley 7 no longer rises along described guide rail 56, but with the openhanded hydraulic regulation valve 72 of opening hydraulic trolley 7, make hydraulic trolley 7 drop to the bottom along described guide rail 56, the recess 421 of the handgrip 42 of described self-locking device 4 supports the vertical equity crossbeam 61 of the second joint inner support 6.Put into the 3rd joint inner support 6 then.Following operating sequence can be with reference to the step that first-half inner support 6 is installed.After making described insulated platform 1 rise to the needed height of construction, the bottom of described lowermost end one joint inner support 6 is fixed, as shown in Figure 4.Then, the operating personnel can climb to described insulated platform 1 along the shelves 62 of stepping on of described inner support 6.When dismounting, loose final section (lowermost end one joint) inner support 6 bottoms is fixing earlier, and the action bars 71 of foot-operated described hydraulic trolley 7 makes described hydraulic trolley 7 rise the described inner support 6 of jacking along described guide rail 56 again.When rising to, the vertical equity crossbeam 61 of lowermost end first segment inner support 6 is enough to make the handgrip 42 of described self-locking device 4 to reset, be that described self-locking device 4 is when being in poised state, pulling tail rope 44, make the handgrip 42 of described self-locking device 4 arrive unlocked position, be that described inner support 6 following drops on stopping of the handgrip 42 that is not subjected to described self-locking device 4 in the dropping process, discharge the hydraulic regulation valve 72 of hydraulic trolley 7, the integral body that insulated platform 1, insulation gap 2, fine setting elevating mechanism 3 and inner support 6 are formed falls.When the horizontal vertical equity crossbeam 61 of the lowermost end second joint inner support 6 is supported by the handgrip 42 of described self-locking device 4, hydraulic trolley 7 keeps static, open stainless steel adapting piece 64, hydraulic trolley 7 and final section inner support 6 drop to the bottom, just can take out final section inner support 6.And the like, finish up to first segment inner support 6 dismounting of top, at this moment just can be with insulated platform 1, insulation gap 2, finely tune elevating mechanism 3 etc. and shift out together, finish dismounting.
See also Fig. 5, the phase of two parallel well cabinet frames 5 among Fig. 5 to the inside, some to described self-locking device 4 along axially being provided with of the vertical equity crossbeam 53 of described well cabinet frame 5, simultaneously, in the vertical direction, the phase of described two parallel well cabinet frames 5 also arranges some to described self-locking device 4 to the inside, and the vertical distance between per two pairs of described self-locking devices 4 is the integral multiple of height on single-unit inner support 6 vertical directions.She Ji purpose is to increase hoistable platform stability of structure and intensity like this.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (5)
1. self-locking device that is used for the member lifting, described self-locking device is arranged on two well cabinet frames (5) that be arranged in parallel of hoistable platform in pairs in opposite directions; It is characterized in that:
Described self-locking device comprises fixed stop (41), handgrip (42), back-moving spring (43) and tail rope (44);
Described fixed stop (41) is erected on the described well cabinet frame (5) along the horizontal cross of described well cabinet frame (5);
First end of described handgrip (42) is articulated on the described fixed stop (41) by rotation axis (45), the recess (421) that grasping part and following grasping part were formed on second end of described handgrip (42) was served as reasons;
First end of described back-moving spring (43) connects the following grasping part of described recess (421), and second end of described back-moving spring (43) is connected on the well cabinet frame (5) of described fixed stop (41) below;
First end of described tail rope (44) connects the last grasping part of described recess (421), and pulley (46) back that second end of described tail rope (44) is walked around on the well cabinet frame (5) that is fixed in described fixed stop (41) top is sagging naturally;
Described self-locking device balance, described handgrip (42) tilts with horizontal plane,
Described self-locking device locking, described handgrip (42) is parallel with horizontal plane.
2. self-locking device according to claim 1, it is characterized in that: described self-locking device release, described handgrip (42) is vertical with horizontal plane.
3. self-locking device according to claim 1 and 2, it is characterized in that: described fixed stop (41) is erected on the vertical equity crossbeam (53) of described well cabinet frame (5) along the horizontal cross of described well cabinet frame (5).
4. self-locking device according to claim 1 and 2 is characterized in that: second end of described back-moving spring (43) is connected on the column (51) of well cabinet frame (5) of described fixed stop (41) below.
5. self-locking device according to claim 1 and 2 is characterized in that: described pulley (46) is fixed on the transverse horizontal crossbeam (52) or vertical equity crossbeam (53) of well cabinet frame (5) of described fixed stop (41) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110307572 CN102394481B (en) | 2011-10-12 | 2011-10-12 | Self-locking device used for lifting member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110307572 CN102394481B (en) | 2011-10-12 | 2011-10-12 | Self-locking device used for lifting member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102394481A CN102394481A (en) | 2012-03-28 |
| CN102394481B true CN102394481B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110307572 Active CN102394481B (en) | 2011-10-12 | 2011-10-12 | Self-locking device used for lifting member |
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| CN (1) | CN102394481B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415756A (en) * | 2021-05-12 | 2021-09-21 | 东南大学 | Dormitory lift auto-lock basket |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544306A (en) * | 2003-11-26 | 2004-11-10 | 中国建筑第八工程局工业设备安装公司 | Manual type cherry picker |
| CN202308904U (en) * | 2011-10-12 | 2012-07-04 | 上海电瓷厂 | Self-locking device used for component lifting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3869201B2 (en) * | 2000-10-25 | 2007-01-17 | 株式会社アイチコーポレーション | Safety equipment for aerial work platforms |
-
2011
- 2011-10-12 CN CN 201110307572 patent/CN102394481B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544306A (en) * | 2003-11-26 | 2004-11-10 | 中国建筑第八工程局工业设备安装公司 | Manual type cherry picker |
| CN202308904U (en) * | 2011-10-12 | 2012-07-04 | 上海电瓷厂 | Self-locking device used for component lifting |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-128488A 2002.05.09 |
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| CN102394481A (en) | 2012-03-28 |
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Owner name: SHANGHAI ELECTRIC-PORCELAIN WORKS Effective date: 20130621 Owner name: SHANGHAI ELECTRIC POWER CORP. Free format text: FORMER OWNER: SHANGHAI ELECTRIC-PORCELAIN WORKS Effective date: 20130621 |
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Inventor after: Chen Weiming Inventor after: Yuan Xiang Inventor after: He Zhiwei Inventor after: Wang Shunnian Inventor after: Xu Yaohui Inventor after: Wang Lihua Inventor after: Wu Aijun Inventor after: Shen Dongming Inventor after: Shi Jin Inventor after: Shi Hui Inventor after: Zhu Qin Inventor before: Chen Weiming Inventor before: Wang Shunnian Inventor before: Xu Yaohui Inventor before: Wang Lihua Inventor before: Wu Aijun Inventor before: Shen Dongming Inventor before: Shi Jin Inventor before: Shi Hui |
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Free format text: CORRECT: ADDRESS; FROM: 200241 MINHANG, SHANGHAI TO: 200122 PUDONG NEW AREA, SHANGHAI Free format text: CORRECT: INVENTOR; FROM: CHEN WEIMING WANG SHUNNIAN XU YAOHUI WANG LIHUA WU AIJUN SHEN DONGMING SHIJIN SHI HUI TO: CHEN WEIMING WANG SHUNNIAN XU YAOHUI WANG LIHUA WU AIJUN SHEN DONGMING SHI JIN SHI HUI ZHU QIN YUAN XIANG HE ZHIWEI |
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Effective date of registration: 20130621 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Applicant after: Shanghai Electric-Porcelain Works Address before: 200241 No. 4299, Lane 1, Long Wu Road, Shanghai, Minhang District Applicant before: Shanghai Electric-Porcelain Works |
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Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee after: Shanghai Electric Power Corporation Patentee after: SHANGHAI ELECTRIC PORCELAIN WORKS CO., LTD. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee before: Shanghai Electric Power Corporation Patentee before: Shanghai Electric-Porcelain Works |