CN202197019U - Protective cover of movement mechanism for transformer neutral point combined electrical apparatus - Google Patents
Protective cover of movement mechanism for transformer neutral point combined electrical apparatus Download PDFInfo
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- CN202197019U CN202197019U CN2011203263138U CN201120326313U CN202197019U CN 202197019 U CN202197019 U CN 202197019U CN 2011203263138 U CN2011203263138 U CN 2011203263138U CN 201120326313 U CN201120326313 U CN 201120326313U CN 202197019 U CN202197019 U CN 202197019U
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- cover body
- protective cover
- side cover
- framework
- neutral point
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Abstract
The utility model discloses a protective cover of a movement mechanism for a transformer neutral point combined electrical apparatus. The protective cover comprises a protective cover framework, a front end plate, a left-side cover body and a right-side cover body; the front end plate, the protective cover framework, the left side cover body and the right side cover body are connected to form an enclosed structure; a baffle plate, a grounding sleeve, a rotating arm, a rotating arm end pin, a transverse connecting rod and a sleeve end pin are positioned in the enclosed structure; the front end of the protective cover framework is connected with the baffle plate by the front end plate; a grounding arm penetrates through the rear end surface of the protective cover framework for supporting the protective cover framework; and an insulating ring is arranged between the grounding arm and the protective cover. The protective cover of the movement mechanism is convenient to dismount and mount so as to be convenient to overhaul and maintain the transformer neutral point combined electrical apparatus; after the protective cover is installed in place, the closing effect is good so as to play a good role of water and dust prevention; when the transformer neutral point combined electrical apparatus is in the closing and opening process, a movable door on a cover body is only opened in the moving process; and thus, the waterproof and dustproof effects of the protective cover can be effectively guaranteed.
Description
Technical field
The utility model relates to the power transmission technology category, particularly a kind of protective cover that is used to protect transformer neutral point combined electrical apparatus device motion.
Background technology
According to the power industry standard DL/T620-1997 of the People's Republic of China (PRC) " overvoltage protection of alternating-current electric device and insulation coordination "; When transformer station designs; Consider change 110kV in service, the direct ground connection of 220kV grounding mode of transformer neutral-point or not directly grounded needs, transformer neutral point must be installed the neutral point isolating switch and claim earthed switch again.This type of electrical network forms local ungrounded electric net work because of certain reason is accidental; And when single phase ground fault takes place; Electrical network possibly produce higher power-frequency overvoltage; And the safety of electric equipment in this electrical network threatened, press the regulation of DL/T620-1997 for this reason, the neutral point of earth-free transformer should be installed clavate air conservation gap simultaneously and claim excellent gap again.Be commonly referred to as " neutral point equipment " at this equipment that will be installed in this type of transformer neutral point, promptly be installed in the device of transformer neutral point.
Chinese patent (application number 201020655482.1) discloses a kind of transformer neutral point combined electrical apparatus device; As shown in Figure 1; This device comprises that parts such as baffler 2, ground connection diversion column 3, earthing rod 4, grounding sleeve 1, grounding arm 5 and deciliter adjusting mechanism constitute; Deciliter adjusting mechanism is made up of rotating shaft 26, pivoted arm 7, pivoted arm end pin 8, tranverse connecting rod 9, sleeve end pin 10, and rotating shaft 26 is enclosed within the rotating shaft column jecket 6.This device can be integrated neutral point isolating switch, protection dwell set, and the floor space of equipment is diminished.But also there is deficiency in this transformer neutral point combined electrical apparatus device; Mainly be in use because of this device; The junction of its whole deciliter adjusting mechanism, baffler and ground connection diversion column junction, grounding sleeve and deciliter adjusting mechanism all is exposed in the air, is easy to contaminated like this and corrosion, particularly when serious meteorological disaster weather occurring; Will reduce the device reliability of operation; When being in closure state as the neutral point isolating switch simultaneously, loop contact resistance being increased, and then might influence the normal operation of whole device.
The utility model content
To the deficiency of above-mentioned prior art, the technical problem that the utility model will solve provides a kind of protective cover that is applicable to transformer neutral point combined electrical apparatus device motion.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of motion protective cover that is used for transformer neutral point combined electrical apparatus device; Said transformer neutral point combined electrical apparatus device comprises baffler, ground connection diversion column, earthing rod, grounding sleeve, grounding arm and deciliter adjusting mechanism; Said deciliter adjusting mechanism is made up of rotating shaft, pivoted arm, pivoted arm end pin, tranverse connecting rod, sleeve end pin; Said rotating shaft is positioned at the rotating shaft column jecket; Said motion protective cover comprises protective cover framework, front end-plate, left side cover body, right side cover body; Said protective cover framework, front end-plate, left side cover body, right side cover body are connected to form an enclosed construction; Said baffler, grounding sleeve, pivoted arm, pivoted arm end pin, tranverse connecting rod, sleeve end pin are positioned at said enclosed construction, and the front end of said protective cover framework is connected with said front end-plate, and the end that said front end-plate and said baffler are fixed together the protective cover framework supports; The rear end face that said grounding arm passes said protective cover framework supports the other end of said protective cover framework, is provided with dead ring between said grounding arm and the said protective cover framework.
Preferably; Said left side cover body, right side cover body are L type structure; The bottom surface of said left side cover body, right side cover body is respectively equipped with three corresponding each other semicircle orifices, and the position of said three semicircle orifices is corresponding with the position of said rotating shaft column jecket, ground connection diversion column, earthing rod respectively.
Preferably; The upper end of said left side cover body, right side cover body side is provided with the rib of turning one's coat; The side of said left side cover body, right side cover body is hinged through the edge, the left and right sides of hinge and said protective cover framework upper end respectively, and the bottom surface of said left side cover body, right side cover body is respectively equipped with the hasp that cooperatively interacts.
Preferably; The upper end of said left side cover body, right side cover body side is provided with the rib of turning one's coat; The edge, the left and right sides of said protective cover framework upper end is provided with hook; Through the hook overlap joint at corresponding turn one's coat rib and edge, the said protective cover framework left and right sides, the bottom surface of said left side cover body, right side cover body is respectively equipped with the hasp that cooperatively interacts respectively for said left side cover body, right side cover body.
Preferably, said left side cover body, right side cover body side have the rectangle fenestra, are provided with dodge gate in the said rectangle fenestra, and said dodge gate is hinged with corresponding left side cover body or right side cover body respectively.
Preferably, said protective cover framework is provided with the waterproof groove, and said left side cover body, right side cover body are provided with and the corresponding sealing bar of said waterproof groove.
Technique scheme has following beneficial effect: this motion protective cover removes and installs conveniently, is convenient to the repair and maintenance of transformer neutral point combined electrical apparatus device; After protective cover was in place, obturation effect was good, can play good waterproof and dustproof effect; Transformer neutral point combined electrical apparatus device is in deciliter process, and the dodge gate on the cover body only can be opened in motion process, can effectively guarantee the waterproof and dustproof effect of cover body like this.
Above-mentioned explanation only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of specification, below this patent is elaborated with the preferred embodiment and the conjunction with figs. of the utility model.
Description of drawings
Fig. 1 is the structural representation of transformer neutral point combined electrical apparatus device.
Fig. 2 is the structural representation of the utility model embodiment protective cover framework.
Fig. 3 is the structural representation that the protective cover framework is connected with transformer neutral point combined electrical apparatus device.
Fig. 4 is the structural representation of right side cover body.
Fig. 5 is the end view of the utility model embodiment.
Fig. 6 is the front view of the utility model embodiment.
Fig. 7 is the structural representation of the utility model embodiment bottom surface.
Reference numeral is following:
1; Grounding sleeve 2; Baffler 3; Ground connection diversion column 4; Earthing rod 5; Grounding arm 6; Rotating shaft column jecket 7; Pivoted arm 8; Pivoted arm end pin 9; Tranverse connecting rod 10; Sleeve end pin 11; Protective cover framework 12; Front end-plate 13; Dead ring 14; Locking screw 15; Left side cover body 16; Right side cover body 17; Bearing pin 18; Dodge gate 19; The rib 20 of turning one's coat; Hook 21; Dead ring 22; Sealing bar 23; Semicircle orifice 24; Hasp 25; Waterproof groove 26; Rotating shaft
Embodiment
Describe in detail below in conjunction with the preferred embodiment of accompanying drawing to the utility model.
Like Fig. 2-shown in Figure 7, this motion protective cover comprises protective cover framework 11, front end-plate 12, left side cover body 15 and right side cover body 16.Protective cover framework 11 is the left-right symmetric structure along axis direction; Have the seal groove that matches with protective cover framework 11 on the front end-plate 12; The front end of protective cover framework 11 is connected with front end-plate 12, and front end-plate 12 is fixed together with baffler 2, and an end of protective cover framework 11 is supported; And playing fixation, front end-plate 12 adopts insulating material.The rear end face that grounding arm 5 passes protective cover framework 11 supports an end of protective cover framework 11, and the end of grounding arm 5 is provided with 14 pairs of protective cover frameworks 11 of lock screw and fixes, and between grounding arm 5 and protective cover framework 11, is provided with dead ring 13.
Left side cover body 15, right side cover body 16 are L type structure; And it is symmetrical each other; The upper end of the side of left side cover body 15, right side cover body 16 is equipped with the rib 19 of turning one's coat, and the edge, the left and right sides of protective cover framework 11 upper ends is provided with hook 20, and left side cover body 15, right side cover body 16 overlap through the hook 20 of each self-corresponding turn one's coat rib 19 and protective cover framework 11 both sides of the edge respectively; As shown in Figure 5, the bottom surface of cover body 15, right side cover body 16 is respectively equipped with the hasp 24 that cooperatively interacts in the left side.Be connected to form an enclosed construction through this connected mode front end-plate 12, protective cover framework 11 with left side cover body 15, right side cover body 16; Baffler 2, grounding sleeve 1, pivoted arm 7, pivoted arm end pin 8, tranverse connecting rod 9, sleeve end pin 10 all are positioned at this enclosed construction, and above-mentioned parts are in dustproof, the water resistant or waterproof environment.The side of left side cover body 15, right side cover body 16 also can be respectively edge, the left and right sides through hinge and protective cover framework 11 upper ends carry out hinged.
The bottom surface of cover body 15, right side cover body 16 is respectively equipped with three each other the position of corresponding 23, three semicircle orifices 23 of semicircle orifice is corresponding with the position of rotating shaft column jecket 6, ground connection diversion column 3, earthing rod 4 respectively in the left side.After left side cover body 15, right side cover body 16 connect through hasp 24; The bottom surface butt joint of left side cover body 15, right side cover body 16 forms three circular holes (as shown in Figure 7); Ground connection diversion column 3, earthing rod 4, rotating shaft column jecket 6 pass three circular holes respectively and reach in the inner chamber of motion protective cover, between ground connection diversion column 3, earthing rod 4, rotating shaft column jecket 6 and motion protective cover, are provided with dead ring 21.In order to guarantee sealing, protective cover framework 11 is provided with waterproof groove 25, and left side cover body 15, right side cover body 16 are provided with and waterproof groove 25 corresponding sealing bars 22, and waterproof groove 25 cooperatively interacts with sealing bar 22 and seals (as shown in Figure 5).
The side of cover body 15, right side cover body 16 has the rectangle fenestra in the left side, is provided with dodge gate 18 in the rectangle fenestra, and dodge gate 18 is hinged through bearing pin 17 with corresponding left side cover body 15 or right side cover body 16 respectively.When transformer neutral point combined electrical apparatus device action, rotating shaft 26 is pushed dodge gate 18 open after being with pivoted arm 6 to turn to certain angle, and along with the rotation of pivoted arm 6, dodge gate 18 reaches slowly to close again behind the maximum angle and puts in place.18 of this dodge gates " close " in the motion process at " branch " and open, and " branch " all is in closed condition after " closing " and putting in place, can play good waterproof and dustproof effect like this.
In service normally; This motion protective cover need not any operation, when needs maintenance motion, only needs the hasp 24 of left side cover body 15, right side cover body 16 bottoms is unclamped; Left side cover body 15, right side cover body 16 are taken off, remove; Can carry out the maintenance of mechanism easily, completion is overhauled afterwards and only need be articulated, resets, the fastening hasp can be accomplished installation again, uses very convenient.After protective cover was in place, obturation effect was good, can play good waterproof and dustproof effect.
More than a kind of motion protective cover that is used for transformer neutral point combined electrical apparatus device that the utility model embodiment is provided carried out detailed introduction; For one of ordinary skill in the art; Thought according to the utility model embodiment; Part all can change on embodiment and range of application; In sum, this description should not be construed as the restriction to the utility model, and all any changes of being made according to the utility model design philosophy are all within the protection range of the utility model.
Claims (6)
1. motion protective cover that is used for transformer neutral point combined electrical apparatus device; Said transformer neutral point combined electrical apparatus device comprises baffler, ground connection diversion column, earthing rod, grounding sleeve, grounding arm and deciliter adjusting mechanism; Said deciliter adjusting mechanism is made up of rotating shaft, pivoted arm, pivoted arm end pin, tranverse connecting rod, sleeve end pin; Said rotating shaft is positioned at the rotating shaft column jecket; It is characterized in that: said motion protective cover comprises protective cover framework, front end-plate, left side cover body, right side cover body; Said front end-plate, protective cover framework, left side cover body, right side cover body are connected to form an enclosed construction; Said baffler, grounding sleeve, pivoted arm, pivoted arm end pin, tranverse connecting rod, sleeve end pin are positioned at said enclosed construction, and the front end of said protective cover framework is connected with said front end-plate, and the end that said front end-plate and said baffler are fixed together the protective cover framework supports; The rear end face that said grounding arm passes said protective cover framework supports the other end of said protective cover framework, is provided with dead ring between said grounding arm and the said protective cover framework.
2. the motion protective cover that is used for transformer neutral point combined electrical apparatus device according to claim 1; It is characterized in that: said left side cover body, right side cover body are L type structure; The bottom surface of said left side cover body, right side cover body is respectively equipped with three corresponding each other semicircle orifices, and the position of said three semicircle orifices is corresponding with the position of said rotating shaft column jecket, ground connection diversion column, earthing rod respectively.
3. the motion protective cover that is used for transformer neutral point combined electrical apparatus device according to claim 2; It is characterized in that: the upper end of said left side cover body, right side cover body side is provided with the rib of turning one's coat; The edge, the left and right sides of said protective cover framework upper end is provided with hook; Through the hook overlap joint at corresponding turn one's coat rib and edge, the said protective cover framework left and right sides, the bottom surface of said left side cover body, right side cover body is respectively equipped with the hasp that cooperatively interacts respectively for said left side cover body, right side cover body.
4. the motion protective cover that is used for transformer neutral point combined electrical apparatus device according to claim 2; It is characterized in that: the upper end of said left side cover body, right side cover body side is provided with the rib of turning one's coat; The side of said left side cover body, right side cover body is hinged through the edge, the left and right sides of hinge and said protective cover framework upper end respectively, and the bottom surface of said left side cover body, right side cover body is respectively equipped with the hasp that cooperatively interacts.
5. the motion protective cover that is used for transformer neutral point combined electrical apparatus device according to claim 2; It is characterized in that: said left side cover body, right side cover body side have the rectangle fenestra; Be provided with dodge gate in the said rectangle fenestra, said dodge gate is hinged with corresponding left side cover body or right side cover body respectively.
6. the motion protective cover that is used for transformer neutral point combined electrical apparatus device according to claim 2; It is characterized in that: said protective cover framework is provided with the waterproof groove, and said left side cover body, right side cover body are provided with and the corresponding sealing bar of said waterproof groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203263138U CN202197019U (en) | 2011-09-01 | 2011-09-01 | Protective cover of movement mechanism for transformer neutral point combined electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203263138U CN202197019U (en) | 2011-09-01 | 2011-09-01 | Protective cover of movement mechanism for transformer neutral point combined electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202197019U true CN202197019U (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203263138U Expired - Fee Related CN202197019U (en) | 2011-09-01 | 2011-09-01 | Protective cover of movement mechanism for transformer neutral point combined electrical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202197019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184062A (en) * | 2014-09-11 | 2014-12-03 | 国家电网公司 | Metal protection cover of exposed transmission connection rod of disconnecting switch of outdoor combination electric appliance |
-
2011
- 2011-09-01 CN CN2011203263138U patent/CN202197019U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184062A (en) * | 2014-09-11 | 2014-12-03 | 国家电网公司 | Metal protection cover of exposed transmission connection rod of disconnecting switch of outdoor combination electric appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20160901 |