CN2676469Y - Air insulated bus duct with wedge shaped supporting piece - Google Patents
Air insulated bus duct with wedge shaped supporting piece Download PDFInfo
- Publication number
- CN2676469Y CN2676469Y CN 200420014899 CN200420014899U CN2676469Y CN 2676469 Y CN2676469 Y CN 2676469Y CN 200420014899 CN200420014899 CN 200420014899 CN 200420014899 U CN200420014899 U CN 200420014899U CN 2676469 Y CN2676469 Y CN 2676469Y
- Authority
- CN
- China
- Prior art keywords
- bus duct
- fixture
- wedge shape
- sides
- fastener
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an air insulated bus duct with a wedge shape supporting piece, comprising a bus duct housing and a wedge shape supporting piece. The wedge shape supporting piece comprising a conic shape fixing piece in the center section and clamping pieces on both sides, a locating slot matching with the bus is arranged on the lower edge of the fixing piece, and both sides have oblique planes on which transversal adapting holes are arranged respectively; an oblique plane matching with the oblique plane of the fixing piece is arranged on the side of the connection of the clamping pieces and the fixing piece, and a transversal connecting through hole which corresponds to the position of the adapting holes on the oblique plane of the fixing piece is arranged in the clamping pieces; The wedge shape supporting pieces fastened between the both sides in the bus duct housing are arranged on the upper end and the lower end of the bus duct housing, the locating slots of the fixing piece are opposite, and the fixing piece and the clamping piece are connected by the fixing bolts on the both sides of the bus duct housing and are fixed on the position between the both sides in the bus duct housing. The utility model has the advantages of good effect of fixing the bus conductor, easy assembly, simpleprocessing technique and low cost.
Description
Technical field
The utility model relates to a kind of accessory of electric equipment, relates in particular to a kind of air insulation bus duct of electric equipment.
Background technology
Along with the extensive utilization of bus duct product in defeated, distribution system, its advantage and characteristics are progressively understood by people and are accepted.But in the evolution of bus duct, because the particularity of its structure of air insulation bus duct, thereby caused its development slower than intensive isolated bus groove.The subject matter of air insulation bus duct existence at present is:
(1) fixed effect of bus-bars conductor is not good enough, and fixed form is loaded down with trivial details, and number of spare parts is more, is difficult to assembling; (2) manufacture craft is quite complicated, and cost is higher.These are all extremely inharmonious with low-cost, the succinct market demand practical, dependable performance.
The utility model content
The air insulation bus duct that the purpose of this utility model is to provide a kind of bus-bars conductor good fixing effect, be easy to assemble, processing technology is simple, cost is low with wedge shape supporter.
The purpose of this utility model is achieved by the following technical programs:
A kind of air insulation bus duct that the utility model provides with wedge shape supporter, comprise the bus duct shell, comprise the wedge shape supporter in addition, described wedge shape supporter comprises the taper type fixture in the middle of being positioned at and is positioned at the fastener on both sides, the edge, lower end of described fixture is provided with the location notch suitable with bus, both sides have the inclined-plane, are respectively equipped with horizontal receiving hole on this inclined-plane, both sides; The side that described fastener is connected with fixture has and suitable inclined-plane, fixture inclined-plane, is provided with horizontal connecting through hole in the fastener, and this connecting through hole is corresponding with the receiving hole position on the fixture inclined-plane; Described wedge shape supporter is symmetricly set on the top and bottom in the bus duct shell and is stuck between the interior both sides of bus duct shell, the location notch of its fixture is relative, and fixture and the fastener set bolt by bus duct shell both sides links together and is fixed in the bus duct shell between the both sides.Because the fixture of wedge shape supporter and the junction of fastener are the inclined-plane, when the pulling force of set bolt is delivered on the connection inclined-plane between fixture and the fastener by bus duct shell both sides and fastener, the direction of active force then changes and perpendicular to the inclined-plane, thereby has the component of vertical direction.Therefore, lay respectively at the wedge shape supporter of upper and lower end in the bus duct shell, have the pressure that reaches vertically downward vertically upward on its fixture respectively, the acting in conjunction chucking is arranged on the bus-bars conductor between the fixture location notch.
For improving the effect of active force between fixture and the fastener, the inclined-plane on fixture described in the utility model and the fastener is 45 °.
The cross section of horizontal receiving hole is a long waist shaped in the fixture described in the utility model.Fixture can have enough space frees to move under pressure like this, helps fixedly bus-bars conductor.
For ease of processing, the horizontal receiving hole in the fixture described in the utility model can be through hole.
Fixture described in the utility model and fastener can be made by unsaturated polyester resin, also can be made by saturated polyester resin.This class manufacturing materials have intensity height, good insulation preformance, thermal endurance strong, be easy to characteristics such as processing.
For ease of assembling, bus duct shell described in the utility model comprises upper cover plate, lower cover and is positioned at the side plate of both sides that described side plate and upper and lower cover plate pass through bolt.
The utlity model has following beneficial effect:
(1) fixed form of bus-bars conductor is simple, good fixing effect;
(2) amount of parts is few, is easy to assembling, and is easy to use;
(3) parts processing is simple, and cost is low, the production efficiency height.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of wedge shape supporter among the utility model embodiment;
Fig. 3 is the structural representation of fixture among the utility model embodiment;
Fig. 3-the 1st, the A-A cutaway view of Fig. 3;
Fig. 3-the 2nd, the upward view of Fig. 3
Fig. 4 is the structural representation of fastener among the utility model embodiment;
Fig. 4-the 1st, the right view of Fig. 4;
Fig. 4-the 2nd, Fig. 4 upward view.
Embodiment
Fig. 1～Fig. 4-2 is depicted as the embodiment with air insulation bus duct of wedge shape supporter of the present utility model, comprise bus duct shell and two wedge shape supporters, the bus duct shell comprises upper cover plate 1, lower cover 2 and two the shell side plates 3 that are the U type, the wedge shape supporter is made up of taper type fixture 4 and two fasteners 5 that lay respectively at fixture 4 both sides in the middle of being positioned at as shown in Figure 2, fixture 4 and fastener 5 are made by unsaturated polyester resin (DMC), also can be made by saturated polyester resin (SMC).
Shown in Fig. 3, Fig. 3-1 and Fig. 3-2, the edge, lower end of taper type fixture 4 be provided with four with the suitable location notch that is used for clamping bus 6 41 of bus 6, both sides have and are 45 ° inclined-plane, be provided with in the fixture 4 and laterally accept through hole 42, the cross section of this through hole is long waist shaped, and the port of through hole is positioned on the inclined-plane of fixture.Shown in Fig. 4, Fig. 4-1 and Fig. 4-2, the side that fastener 5 is connected with fixture 4 have be 45 ° and with suitable inclined-plane, fixture 4 inclined-planes, be provided with horizontal connecting through hole 51 in the fastener 5, it is corresponding that this horizontal connecting through hole 51 and fixture are laterally accepted through hole 42 positions.Fastener 5 is 1.6 with the surface roughness on fixture 4 inclined-planes, frictional force when main effect is that reducing it when fastener 5 and fixture 4 are had an effect relatively moves, thus reach optimum efficiency.
During assembling, as shown in Figure 1, two wedge shape supporters are symmetry and are separately positioned on the interior top and bottom of bus duct shell, and the location notch 41 of its fixture is relative.Article four, in the location notch 41 about bus 6 is connected between the fixture 4 of wedge shape supporter, set bolt 7 is screwed into the horizontal connecting through hole 51 of fastener and fixture is laterally accepted in the through hole 42 from two side plates 3 of shell, fixture 4 and fastener 5 are linked together and be fixed between two side plates 3 of bus duct shell, with bolt upper cover plate 1 and lower cover 2 are fixedly connected on the top and bottom of side plate 3 then respectively.When tightening the set bolt 7 of two side plates of shell, the pulling force of bolt is delivered on fastener 5 and the fixture 4 by side plate 3, if do not have the inclined-plane between fastener 4 and the fixture 5, this power will be on the axial line of bolt 7 forms a pair of equilibrant force with the reaction force of fastener 4 and fixture 5, thereby can not produce the effect of power in vertical direction; If have the inclined-plane between fastener 5 and the fixture 4, the direction of transfer of power will change so, and the active force and the reaction force of fastener 5 and fixture 4 will transmit perpendicular to the inclined-plane.
When fixture 4 is subjected to pressure perpendicular to two 45 inclined-planes, just mean that fixture 4 has been subjected to this pressure component in vertical direction, so fixture 4 possibility that also just had in the vertical direction to be subjected to displacement.Frictional force between two groups of inclined-planes is not enough to overcome the possibility that this displacement takes place, article four, bus 6 will be arrived to the pressure of two wedge shape supporters, the equal and opposite in direction of two groups of pressure, direction is opposite, respectively on same straight line with opposite directive effect in bus-bars conductor, cause bus-bars conductor in the bus duct shell, to be fixed
The method of inspection requirement of bus duct fixed effect, its firm degree in the vertical direction that is fixed want to bear the pulling force that is equivalent to 5 times of himself weight and not unusual.The check situation of bus duct fixed effect is as follows:
The maximum current grade of air insulation bus duct is 2000A, and the bus-bars conductor specification is 6 * 200, and the support distances of wedge shape supporter is 400mm.Thereby himself weight is;
G＝4×(6×200×400×8.9)×9.8/10
6
＝167.5(N)
Confficient of static friction μ between mylar and the copper
1Greatly between 0.2～0.4.Get confficient of static friction μ
1=0.3, then the copper busbar maximum static friction force that can be subjected to is:
F
4＝2×μ
1×2N
3
＝2×0.3×2×2813
＝3376(N)
Can draw: 3376＞5 * 167.5
That is: F4＞5G
This shows that the wedge shape supporter is to the requirement far above standard of the fixed effect of bus-bars conductor, can reach properly fixing to bus-bars conductor fully.
Claims (7)
1, a kind of air insulation bus duct with wedge shape supporter, comprise the bus duct shell, it is characterized in that: also comprise the wedge shape supporter, described wedge shape supporter comprises the taper type fixture in the middle of being positioned at and is positioned at the fastener on both sides, the edge, lower end of described fixture is provided with the location notch suitable with bus, both sides have the inclined-plane, are respectively equipped with horizontal receiving hole on this inclined-plane, both sides; The side that described fastener is connected with fixture has and suitable inclined-plane, fixture inclined-plane, is provided with horizontal connecting through hole in the fastener, and this connecting through hole is corresponding with the receiving hole position on the fixture inclined-plane; Described wedge shape supporter is symmetricly set on the top and bottom in the bus duct shell and is stuck between the interior both sides of bus duct shell, the location notch of its fixture is relative, and fixture and the fastener set bolt by bus duct shell both sides links together and is fixed in the bus duct shell between the both sides.
2, the air insulation bus duct with wedge shape supporter according to claim 1, it is characterized in that: the inclined-plane on described fixture and the fastener is 45 °.
3, the air insulation bus duct with wedge shape supporter according to claim 1 is characterized in that: the cross section of horizontal receiving hole is a long waist shaped in the described fixture.
4, according to claim 1 or 2 or 3 described air insulation bus ducts with wedge shape supporter, it is characterized in that: the horizontal receiving hole in the described fixture is a through hole.
5, the air insulation bus duct with wedge shape supporter according to claim 1, it is characterized in that: described fixture and fastener are made by unsaturated polyester resin.
6, the air insulation bus duct with wedge shape supporter according to claim 1, it is characterized in that: described fixture and fastener are made by saturated polyester resin.
7, the air insulation bus duct with wedge shape supporter according to claim 1 is characterized in that: described bus duct shell comprises upper cover plate, lower cover and is positioned at the side plate of both sides that described side plate and upper and lower cover plate pass through bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014899 CN2676469Y (en) | 2004-01-16 | 2004-01-16 | Air insulated bus duct with wedge shaped supporting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014899 CN2676469Y (en) | 2004-01-16 | 2004-01-16 | Air insulated bus duct with wedge shaped supporting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2676469Y true CN2676469Y (en) | 2005-02-02 |
Family
ID=34482774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420014899 Expired - Fee Related CN2676469Y (en) | 2004-01-16 | 2004-01-16 | Air insulated bus duct with wedge shaped supporting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2676469Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465522B (en) * | 2007-12-20 | 2011-01-19 | 杭州欣美成套电器制造有限公司 | Elastic card piece connected with rectangular bus bar and shielding cover as well as bus bar insulated sleeve component |
| CN103579926A (en) * | 2012-07-20 | 2014-02-12 | 西门子公司 | Air deflector |
| CN106300030A (en) * | 2016-08-26 | 2017-01-04 | 大连天虹电控设备有限公司 | And connect flow-guiding type bus-bar system |
-
2004
- 2004-01-16 CN CN 200420014899 patent/CN2676469Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465522B (en) * | 2007-12-20 | 2011-01-19 | 杭州欣美成套电器制造有限公司 | Elastic card piece connected with rectangular bus bar and shielding cover as well as bus bar insulated sleeve component |
| CN103579926A (en) * | 2012-07-20 | 2014-02-12 | 西门子公司 | Air deflector |
| CN106300030A (en) * | 2016-08-26 | 2017-01-04 | 大连天虹电控设备有限公司 | And connect flow-guiding type bus-bar system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU BAI YUN ELECTRIC DEVICE CO., LTD. Free format text: FORMER OWNER: BAIYUN ELECTRIC APPLIANCE EQUIPMENT CO., LTD., GUANGZHOU Effective date: 20050909 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050909 Address after: 510540 Guangzhou 1 private technology park, Taihe Guangzhou Town, Baiyun District, Guangdong, Guangzhou 863 industrialization promotion center, 214 to 5 Patentee after: Guangzhou Baiyun Electric Equipment Co., Ltd. Address before: 510460, Daling Road, 18, Kamiyama Industrial Zone, Baiyun District, Guangdong, Guangzhou Patentee before: Guangzhou Baiyun Electric Equipment Co., Ltd. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |