CN203839222U - Static contact assembling for valve hall, and connecting metal fitting for connecting tubular busbar with static contact - Google Patents
Static contact assembling for valve hall, and connecting metal fitting for connecting tubular busbar with static contact Download PDFInfo
- Publication number
- CN203839222U CN203839222U CN201420281791.5U CN201420281791U CN203839222U CN 203839222 U CN203839222 U CN 203839222U CN 201420281791 U CN201420281791 U CN 201420281791U CN 203839222 U CN203839222 U CN 203839222U
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- plate
- bus
- gold utensil
- link
- anchor ear
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- Expired - Lifetime
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- 239000002184 metal Substances 0.000 title abstract 8
- 230000003068 static effect Effects 0.000 title abstract 8
- 239000010931 gold Substances 0.000 claims description 78
- 229910052737 gold Inorganic materials 0.000 claims description 78
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 77
- 238000003032 molecular docking Methods 0.000 claims description 10
- 230000035515 penetration Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000012212 insulator Substances 0.000 description 11
- 208000002173 dizziness Diseases 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model relates to static contact assembling for a valve hall, and a connecting metal fitting for connecting a tubular busbar with a static contact. The connecting metal fitting for connecting a tubular busbar with a static contact comprises a shielding ball having a spherical housing. A pair of busbar penetrating holes for a corresponding tubular busbar to pass through is disposed in the housing wall of two opposite sides of the spherical housing. A busbar metal fitting for fixing the spherical housing to the tubular busbar is fixedly disposed inside the shielding ball and on the housing wall of the spherical housing. A contact metal fitting for mounting a corresponding static contact is fixedly arranged inside the shielding ball and on the busbar metal fitting. The connecting metal fitting for connecting a tubular busbar with a static contact is simple in structure, and the static contact assembling, using the metal fitting, for a valve hall, is also simple in structure.
Description
Technical field
The utility model relates to the gold utensil that is connected of the fixed contact assembling in the valve Room in high-voltage dc transmission electrical domain and tubular bus thereof and fixed contact.
Background technology
At present, China has become operation in the world and has built the direct current transportation big country that DC engineering is maximum, capacity is maximum, circuit is the longest.Current conversion station is the important component part in DC transmission engineering, the Converter Station Valve Room is an enclosure space, the valve Room is provided with the visual plants such as valve tower, sleeve pipe, voltage transformer, and the conversion of AC and DC is also carried out in the valve Room, so the corona in the valve Room and radio interference phenomenon especially severe.In order to increase the anticorona ability of tubular bus and fixed contact, generally need to use connection gold utensil to be connected with fixed contact tubular bus, existing connection gold utensil as disclosed in Chinese patent CN103646797A " the low end valve of a kind of 800kV current conversion station Room fixed contact gold utensil ", this gold utensil comprises anti-dizziness ball, anti-dizziness ball comprises by episphere, the housing that lower semisphere is formed by connecting, on the housing wall of housing, be provided with the side mouth that Liang Ge center angle is greater than 90 degree, one of them side mouth is used for wearing fixedly gold utensil of wire, another side mouth wears for grounding switch, the bottom of housing offers for wearing the end mouth of post insulator, the top of housing offers for wearing the top mouth of pipe bus gold utensil, gold utensil also comprises for the fixing fixed contact bracing frame of fixed contact.During use, housing is fixed on post insulator by ball stand, pipe bus gold utensil and wire fixedly gold utensil are arranged on post insulator by club fixed underpan, fixed contact bracing frame is also fixed on post insulator, on pipe bus gold utensil fixing tubular bus by current carrying conductor and wire fixedly on gold utensil fixing overcurrent plate be electrically connected to.Post insulator plays a part a support, it is supporting anti-dizziness ball, pipe bus gold utensil, fixed contact bracing frame and wire be gold utensil fixedly, the problem that existing this connection gold utensil exists is: anti-dizziness ball, pipe bus gold utensil, fixed contact bracing frame and wire fixedly gold utensil all support fixing by post insulator, the setting of post insulator and post insulator have increased with the syndeton between each parts the complex structure degree that is connected gold utensil, also need on anti-dizziness ball, offer the end mouth passing for post insulator simultaneously, open a mouth not only increases the manufacture difficulty of anti-dizziness ball more, also can reduce the anti-corona effect of anti-dizziness ball simultaneously, tubular bus is electrically connected to the complex structure degree that has also increased anti-dizziness ball inside with overcurrent plate by current carrying conductor, be unfavorable for the assembling of anti-dizziness ball.
Utility model content
The purpose of this utility model is to provide the be connected gold utensil of a kind of tubular bus simple in structure with fixed contact; The purpose of this utility model is also to provide a kind of fixed contact assembling of using the valve Room of this connection gold utensil.
In order to address the above problem, the technical solution of the utility model is:
The gold utensil that is connected of tubular bus and fixed contact, comprise the shielding ball with spherical shell, on the opposite side housing wall of spherical shell, be provided with the bus perforation that the corresponding tubular bus of a pair of confession runs through, on the housing wall of described spherical shell, in the inside of described shielding ball, be installed with for described spherical shell being fixed on to the bus gold utensil on described tubular bus, on bus gold utensil, in the inside of described shielding ball, be installed with for the contact gold utensil of corresponding fixed contact is installed.
On the housing wall of described spherical shell, be provided with the disconnecting link perforation that the corresponding grounding switch of the confession corresponding with described fixed contact passes.
Described spherical shell is by upper, lower semisphere docking forms, two bus perforation in a pair of bus perforation are arranged at respectively, on lower semisphere, on, the docking location place of lower semisphere is provided with the connection ring flat-plate circumferentially extending along butt joint interface, connecting ring flat-plate is fixedly connected with lower semisphere, episphere is sheathed on described connection ring flat-plate, connect ring flat-plate and episphere is removable is connected, described bus gold utensil comprises for holding the anchor ear of described tubular bus tightly, anchor ear comprises a left side half anchor ear and right half anchor ear being bolted together, left half anchor ear is fixed on described connection ring flat-plate by left link, right half anchor ear is fixed on described connection ring flat-plate by right link.
On described connection ring flat-plate, be installed with four connecting plates that overhang towards spherical shell center position, four connecting plates are respectively the first, second, third and the 4th connecting plate, described left link comprises two side link plates, one end of two side link plates is bolted on described left half anchor ear, and the other end of two side link plates is bolted respectively on first, second connecting plate; Described right link comprises a horizontal link plate, and the two ends of horizontal link plate are connected on the 3rd, the 4th connecting plate, are installed with two perpendicular link plates on horizontal link plate, and described right half anchor ear is fixedly arranged on described perpendicular link plate.
The bolt penetration hole that the confession respective bolt of offering on each connecting plate runs through is the slotted hole that length is radially extended along spherical shell.
Described contact gold utensil comprises that two connect link plate, two connect link plate respectively sandwiched be fixed between described left half anchor ear and each side link plate, two connect link plate and are installed with contact connecting plate away from one end of described left half anchor ear, offer common phase and answer clamping screw to pass and realize fixed contact is fixed on to the connection slotted hole on contact connecting plate on contact connecting plate.
In the utility model, the technical scheme of the fixed contact in valve Room assembling is:
The fixed contact assembling in the valve Room, the gold utensil that is connected that comprises fixed contact and tubular bus and be connected described fixed contact and tubular bus, connect gold utensil and comprise the shielding ball with spherical shell, on the opposite side housing wall of spherical shell, be provided with a pair of bus perforation, described tubular bus runs through described bus perforation, on the housing wall of described spherical shell, in the inside of described shielding ball, be installed with bus gold utensil, described spherical shell is fixedly arranged on described tubular bus by described bus gold utensil, on bus gold utensil, in the inside of described shielding ball, be installed with the contact gold utensil that described fixed contact is installed.
Described spherical shell is by upper, lower semisphere docking forms, two bus perforation in a pair of bus perforation are arranged at respectively, on lower semisphere, on, the docking location place of lower semisphere is provided with the connection ring flat-plate circumferentially extending along butt joint interface, connecting ring flat-plate is fixedly connected with lower semisphere, episphere is sheathed on described connection ring flat-plate, connect ring flat-plate and episphere is removable is connected, described bus gold utensil comprises for holding the anchor ear of described tubular bus tightly, anchor ear comprises a left side half anchor ear and right half anchor ear being bolted together, left half anchor ear is fixed on described connection ring flat-plate by left link, right half anchor ear is fixed on described connection ring flat-plate by right link.
On described connection ring flat-plate, be installed with four connecting plates that overhang towards spherical shell center position, four connecting plates are respectively the first, second, third and the 4th connecting plate, described left link comprises two side link plates, one end of two side link plates is bolted on described left half anchor ear, and the other end of two side link plates is bolted respectively on first, second connecting plate; Described right link comprises a horizontal link plate, and the two ends of horizontal link plate are connected on the 3rd, the 4th connecting plate, are installed with two perpendicular link plates on horizontal link plate, and described right half anchor ear is fixedly arranged on described perpendicular link plate.
Described contact gold utensil comprises that two connect link plate, two connect link plate respectively sandwiched be fixed between described left half anchor ear and each side link plate, two connect link plate and are installed with contact connecting plate away from one end of described left half anchor ear, offer common phase and answer clamping screw to pass and realize fixed contact is fixed on to the connection slotted hole on contact connecting plate on contact connecting plate.
The beneficial effects of the utility model are: in the utility model, tubular bus runs through whole shielding ball by running through a pair of bus perforation, run through the tubular bus that shields ball and there is enough rigidity, the rigidity that tubular bus utilizes self provides a support for whole connection gold utensil and fixed contact, shielding ball and fixed contact are all fixedly arranged on tubular bus, need in shielding ball, post insulator be set, therefore just need on shielding ball, not offer the perforation of passing for post insulator, making at shielding ball is very simple, reduced the complex structure degree that connects gold utensil, shield fewer perforate on ball simultaneously, the anti-corona effect of shielding ball is also just better, in addition, the outside transmission current of tubular bus self, does not need to arrange corresponding wire fixedly gold utensil and mistake current carrying conductor, in convenient for assembly, has further reduced the complex structure degree that connects gold utensil.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the fixed contact assembling in the valve Room in the utility model, is also the use state diagram of tubular bus and an embodiment who is connected gold utensil of fixed contact in the utility model simultaneously;
Fig. 2 is the structural representation that shields ball in Fig. 1;
Fig. 3 is the structural representation of episphere in Fig. 2;
Fig. 4 is the structural representation of lower semisphere in Fig. 2;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is that the A-A of Fig. 5 is to cutaway view;
Fig. 7 is that the B-B of Fig. 5 is to cutaway view;
Fig. 8 is the cooperation schematic diagram of Fig. 1 median generatrix gold utensil, contact gold utensil;
Fig. 9 is the vertical view of Fig. 8;
Figure 10 is the structural representation of right link in Fig. 8;
Figure 11 is the structural representation of right half anchor ear in Fig. 8;
Figure 12 is the structural representation of contact connecting plate in Fig. 8.
Embodiment
The embodiment of the fixed contact assembling in the valve Room is as shown in Fig. 1 ~ 12: comprise fixed contact 1, tubular bus 6 and the gold utensil that is connected that connects fixed contact 1 and tubular bus 6, connect gold utensil and comprise the shielding ball 2 with spherical shell, on the opposite side housing wall of spherical shell, be provided with a pair of bus perforation 7, the aperture of bus perforation is along turning in shielding ball inside, spherical shell is by episphere 1, lower semisphere 3 docking form, on, lower semisphere is made by metal material, the preferred aluminum that adopts is made, on, the surface of lower semisphere is through polishing, two bus perforation in a pair of bus perforation are arranged at respectively, on lower semisphere, tubular bus 6 runs through described bus perforation 7.The docking location place of upper and lower hemisphere is provided with the connection ring flat-plate 9 circumferentially extending along butt joint interface, connecting ring flat-plate 9 is fixedly welded on lower semisphere 3, first ball cover 1 is located at and is connected on ring flat-plate 9, connecting ring flat-plate and episphere is connected by releasable connection structure is removable, releasable connection structure comprises the screw perforation 15 being arranged on episphere 1 and is arranged at the screwed hole corresponding with each screw perforation 15 16 on described connection ring flat-plate 9, with time in each screw perforation and corresponding screwed hole, install lock-screw 14 upper and lower hemisphere be fixed up.On the housing wall of spherical shell, in the inside of shielding ball, be installed with bus gold utensil, shielding ball 2 is fixed on tubular bus 6 by bus gold utensil, bus gold utensil comprises for holding the anchor ear 5 of tubular bus 6 tightly, anchor ear comprises a left side half anchor ear 52 and right half anchor ear 51 being bolted together, left, the hole of installing for bolt on right anchor ear adopts counter bore structure 19, left, between right anchor ear, leave certain interval, this is mainly to adjust in order to be convenient to when holding tubular bus tightly, at this gap location, O RunddichtringO is enclosed within and connects a left side, on the bolt of right anchor ear, so that bolt is difficult for falling while installing in high-altitude.Left half anchor ear 52 is fixed on and is connected on ring flat-plate 9 by left link 8, right half anchor ear 51 is fixed on and is connected on ring flat-plate 9 by right link 4, connect on ring flat-plate 9 and be installed with four connecting plates that overhang towards spherical shell center position 17, four connecting plates are respectively first, second, the third and fourth connecting plate, on each connecting plate, all offer bolt penetration hole 18, bolt penetration hole 18 is the slotted hole that length is radially extended along spherical shell, left link comprises two side link plates 81, one end of two side link plates 81 is bolted on left half anchor ear 52, the other end of two side link plates is bolted respectively first, on the second connecting plate, right link 4 comprises a horizontal link plate 41, and the two ends of horizontal link plate 41 are connected on the 3rd, the 4th connecting plate, are welded with two perpendicular link plates 42 on horizontal link plate 41, and right half anchor ear 51 is fixedly arranged on perpendicular link plate 42 by bolt.On bus gold utensil, in the inside of shielding ball, be installed with the contact gold utensil that described fixed contact is installed, contact gold utensil comprises that two connect link plate 12, two connect link plate respectively sandwiched be fixed between left half anchor ear 52 and each side link plate 81, two connect link plate 12 and are installed with contact connecting plate 13 away from one end of left half anchor ear 52, on contact connecting plate 13, offer for clamping screw through and realize contact 11 be fixed on to the connection slotted hole 20 on contact connecting plate 13.On the housing wall of spherical shell, be provided with the disconnecting link perforation 10 that the corresponding grounding switch of the confession corresponding with fixed contact passes, disconnecting link perforation is at the construction field (site) according to the on-the-spot perforate of the particular location of grounding switch, can guarantee like this accuracy of disconnecting link punch position.
The working mechanism of shielding ball is: the voltages such as shielding ball, gold utensil, tubular bus maintenance, shielding ball internal electric field is less, outside at shielding ball, even if shielding ball surface voltage is higher, due to shielding ball smooth surface, shielding ball surface and external electrical field intensity also far below the bloom field intensity of air, can bloom.If do not shield ball, gold utensil surface voltage is higher, and simultaneously the geometry due to gold utensil exists wedge angle, easily causes that electric field is concentrated to cause bloom.
Tubular bus in the utility model runs through whole shielding ball, therefore there is certain rigidity, shielding ball is fixed on tubular bus by bus gold utensil, fixed contact is fixed on tubular bus by contact gold utensil, tubular bus provides a support for fixed contact and whole connection gold utensil, greatly simplify the structure of product, can also improve the anticorona effect of shielding ball simultaneously.Bolt penetration hole adopts slotted hole structure conveniently in installation process, to left and right link, to adjust; Connecting slotted hole is also slotted hole structure, can facilitate the equipment adjustment of fixed contact; Screw perforation on episphere be connected screwed hole on ring flat-plate and take to match form processing, guarantee the accuracy of installing; Four connecting plates form four strong points, have guaranteed the stability of shielding ball.
In other embodiment of this fixed contact assembling: left and right side support can also adopt identical structure; Connecting plate can also be arranged on episphere or lower semisphere, and connecting plate can also not established certainly, and now left and right side support can directly be fixedly welded on shielding ball; Left and right side support can also be an integrally-built support, and now anchor ear can be fixed on and be connected on ring flat-plate, episphere or lower cricket by this support; Connect all right integrally casting moulding of ring flat-plate and lower semisphere; Horizontal link plate and perpendicular link plate also can integrally casting moulding; Contact connecting plate be connected link plate also can integrally casting moulding; Connecting slotted hole and bolt penetration hole can also not be slotted hole structure.
Tubular bus with the embodiment of the connection gold utensil of fixed contact as shown in Fig. 1 ~ 12: the concrete structure that is connected gold utensil of tubular bus and fixed contact with described in above-mentioned each fixed contact assembling embodiment to be connected gold utensil identical, be not described in detail in this.
Claims (10)
1. the gold utensil that is connected of tubular bus and fixed contact, comprise the shielding ball with spherical shell, it is characterized in that: on the opposite side housing wall of spherical shell, be provided with the bus perforation that the corresponding tubular bus of a pair of confession runs through, on the housing wall of described spherical shell, in the inside of described shielding ball, be installed with for described spherical shell being fixed on to the bus gold utensil on described tubular bus, on bus gold utensil, in the inside of described shielding ball, be installed with for the contact gold utensil of corresponding fixed contact is installed.
2. the gold utensil that is connected of tubular bus according to claim 1 and fixed contact, is characterized in that: on the housing wall of described spherical shell, be provided with the disconnecting link perforation that the corresponding grounding switch of the confession corresponding with described fixed contact passes.
3. the gold utensil that is connected of tubular bus according to claim 1 and 2 and fixed contact, it is characterized in that: described spherical shell is by upper, lower semisphere docking forms, two bus perforation in a pair of bus perforation are arranged at respectively, on lower semisphere, on, the docking location place of lower semisphere is provided with the connection ring flat-plate circumferentially extending along butt joint interface, connecting ring flat-plate is fixedly connected with lower semisphere, episphere is sheathed on described connection ring flat-plate, connect ring flat-plate and episphere is removable is connected, described bus gold utensil comprises for holding the anchor ear of described tubular bus tightly, anchor ear comprises a left side half anchor ear and right half anchor ear being bolted together, left half anchor ear is fixed on described connection ring flat-plate by left link, right half anchor ear is fixed on described connection ring flat-plate by right link.
4. the gold utensil that is connected of tubular bus according to claim 3 and fixed contact, it is characterized in that: on described connection ring flat-plate, be installed with four connecting plates that overhang towards spherical shell center position, four connecting plates are respectively the first, second, third and the 4th connecting plate, described left link comprises two side link plates, one end of two side link plates is bolted on described left half anchor ear, and the other end of two side link plates is bolted respectively on first, second connecting plate; Described right link comprises a horizontal link plate, and the two ends of horizontal link plate are connected on the 3rd, the 4th connecting plate, are installed with two perpendicular link plates on horizontal link plate, and described right half anchor ear is fixedly arranged on described perpendicular link plate.
5. the gold utensil that is connected of tubular bus according to claim 4 and fixed contact, is characterized in that: the bolt penetration hole that the confession respective bolt of offering on each connecting plate runs through is the slotted hole that length is radially extended along spherical shell.
6. the gold utensil that is connected of tubular bus according to claim 4 and fixed contact, it is characterized in that: described contact gold utensil comprises that two connect link plate, two connect link plate respectively sandwiched be fixed between described left half anchor ear and each side link plate, two connect link plate and are installed with contact connecting plate away from one end of described left half anchor ear, offer common phase and answer clamping screw to pass and realize fixed contact is fixed on to the connection slotted hole on contact connecting plate on contact connecting plate.
7. the fixed contact in valve Room assembling, the gold utensil that is connected that comprises fixed contact and tubular bus and be connected described fixed contact and tubular bus, connect gold utensil and comprise the shielding ball with spherical shell, it is characterized in that: on the opposite side housing wall of spherical shell, be provided with a pair of bus perforation, described tubular bus runs through described bus perforation, on the housing wall of described spherical shell, in the inside of described shielding ball, be installed with bus gold utensil, described spherical shell is fixedly arranged on described tubular bus by described bus gold utensil, on bus gold utensil, in the inside of described shielding ball, be installed with the contact gold utensil that described fixed contact is installed.
8. the fixed contact in valve according to claim 7 Room assembling, it is characterized in that: described spherical shell is by upper, lower semisphere docking forms, two bus perforation in a pair of bus perforation are arranged at respectively, on lower semisphere, on, the docking location place of lower semisphere is provided with the connection ring flat-plate circumferentially extending along butt joint interface, connecting ring flat-plate is fixedly connected with lower semisphere, episphere is sheathed on described connection ring flat-plate, connect ring flat-plate and episphere is removable is connected, described bus gold utensil comprises for holding the anchor ear of described tubular bus tightly, anchor ear comprises a left side half anchor ear and right half anchor ear being bolted together, left half anchor ear is fixed on described connection ring flat-plate by left link, right half anchor ear is fixed on described connection ring flat-plate by right link.
9. the fixed contact in valve according to claim 8 Room assembling, it is characterized in that: on described connection ring flat-plate, be installed with four connecting plates that overhang towards spherical shell center position, four connecting plates are respectively the first, second, third and the 4th connecting plate, described left link comprises two side link plates, one end of two side link plates is bolted on described left half anchor ear, and the other end of two side link plates is bolted respectively on first, second connecting plate; Described right link comprises a horizontal link plate, and the two ends of horizontal link plate are connected on the 3rd, the 4th connecting plate, are installed with two perpendicular link plates on horizontal link plate, and described right half anchor ear is fixedly arranged on described perpendicular link plate.
10. the fixed contact in valve according to claim 9 Room assembling, it is characterized in that: described contact gold utensil comprises that two connect link plate, two connect link plate respectively sandwiched be fixed between described left half anchor ear and each side link plate, two connect link plate and are installed with contact connecting plate away from one end of described left half anchor ear, offer common phase and answer clamping screw to pass and realize fixed contact is fixed on to the connection slotted hole on contact connecting plate on contact connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420281791.5U CN203839222U (en) | 2014-05-29 | 2014-05-29 | Static contact assembling for valve hall, and connecting metal fitting for connecting tubular busbar with static contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420281791.5U CN203839222U (en) | 2014-05-29 | 2014-05-29 | Static contact assembling for valve hall, and connecting metal fitting for connecting tubular busbar with static contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839222U true CN203839222U (en) | 2014-09-17 |
Family
ID=51517034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420281791.5U Expired - Lifetime CN203839222U (en) | 2014-05-29 | 2014-05-29 | Static contact assembling for valve hall, and connecting metal fitting for connecting tubular busbar with static contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839222U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036979A (en) * | 2014-05-29 | 2014-09-10 | 国家电网公司 | Fixed contact assembly of valve hall and tubular bus and fixed contact connection fitting thereof |
| CN104466845A (en) * | 2014-11-18 | 2015-03-25 | 平高集团有限公司 | Busbar link fitting |
| CN107579498A (en) * | 2017-10-09 | 2018-01-12 | 南方电网科学研究院有限责任公司 | A kind of valve Room gold utensil |
-
2014
- 2014-05-29 CN CN201420281791.5U patent/CN203839222U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036979A (en) * | 2014-05-29 | 2014-09-10 | 国家电网公司 | Fixed contact assembly of valve hall and tubular bus and fixed contact connection fitting thereof |
| CN104036979B (en) * | 2014-05-29 | 2017-02-15 | 国家电网公司 | Fixed contact assembly of valve hall and tubular bus and fixed contact connection fitting thereof |
| CN104466845A (en) * | 2014-11-18 | 2015-03-25 | 平高集团有限公司 | Busbar link fitting |
| CN107579498A (en) * | 2017-10-09 | 2018-01-12 | 南方电网科学研究院有限责任公司 | A kind of valve Room gold utensil |
| CN107579498B (en) * | 2017-10-09 | 2023-06-06 | 南方电网科学研究院有限责任公司 | Valve hall fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |