CN203272482U - Spindle supporting structure of switch equipment - Google Patents
Spindle supporting structure of switch equipment Download PDFInfo
- Publication number
- CN203272482U CN203272482U CN 201320312612 CN201320312612U CN203272482U CN 203272482 U CN203272482 U CN 203272482U CN 201320312612 CN201320312612 CN 201320312612 CN 201320312612 U CN201320312612 U CN 201320312612U CN 203272482 U CN203272482 U CN 203272482U
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- China
- Prior art keywords
- main shaft
- supporting structure
- base
- circle cover
- switching device
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Abstract
The utility model discloses a spindle supporting structure of switch equipment. The spindle supporting structure comprises a side plate (2) of a shell of the switch equipment, wherein two ends of a spindle (1) of the switch equipment are rotatably arranged on the side plate (2) through bearing blocks (3). The spindle supporting structure also comprises at least one support base (5) arranged on a bottom plate (8) of the shell, wherein the support base (5) can rotatably support the spindle (1) upwards under the drive of the spindle (1). By adopting the spindle supporting structure of the switch equipment, three-phase mechanical characteristics are consistent; the opening and closing speeds and times are not affected; the spindle supporting structure is simple in structure and low in cost.
Description
Technical field
The utility model relates to the high-voltage electrical apparatus technical field, especially a kind of main shaft supporting structure of switching device.
Background technique
In the high-voltage electrical apparatus technical field, in the switching devices such as circuit breaker, on-load switch, all adopt the main shaft rotation formula to drive serial transmission part motion, thereby realize the combined floodgate/separating brake of circuit.as shown in Figure 1, in existing main shaft supporting structure, main shaft 1 is fixed on housing by the bearing support 3 on side plate 2, the A phase with C from described side plate 2 strong point close together, and B phase and described side plate 2 are distant, because described main shaft 1 has certain-length, unsettled below the B phase position of described main shaft 1, the gravitate impact, the middle suspending part branch of described main shaft 1 produces certain deformation, cause the mechanical property and A phase of B phase, the mechanical property of C phase (comprises out distance, the excess of stroke, synchronism, branch wire time, divide-shut brake speed, the mechanical properties such as spring) have a long way to go, can't guarantee the same characteristic of three-phase line, affect quality of product.And in different switching devices, the length of described main shaft 1 is longer, and the distance of B phase and described side plate 2 is far away, and is larger on the mechanical property impact of product three-phase.
For addressing the above problem; usually can support described main shaft 1 near increasing cushion block 4 below the position of B phase at described main shaft 1, thereby the power of lifting of making progress for 1 one, described main shaft overcomes gravity effect; described main shaft 1 can be out of shape, guarantee the same characteristic of three-phase line as far as possible.But, this settling mode is owing to being provided with described cushion block 4, when described main shaft 2 rotates, described cushion block 4 can produce sliding friction with described main shaft 2, has increased the rotational resistance of described main shaft 2, will reduce divide-shut brake speed like this, increase branch wire time, and the close B phase in generation position due to sliding friction makes the B phase larger with the synchronism difference of A phase, C phase.
The model utility content
For this reason, technical problem to be solved in the utility model is the main shaft supporting structure of switching device in prior art, utilize cushion block to improve main shaft deformation, can reduce divide-shut brake speed, increase branch wire time, also can make the B phase larger with the synchronism difference of A phase, C phase, and a kind of main shaft supporting structure that can make the three-phase mechanical characteristic unanimously, not affect the switching device of divide-shut brake speed and time is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of main shaft supporting structure of switching device, the side plate that comprises the housing of described switching device, the two ends of the main shaft of described switching device are installed in rotation on described side plate by bearing support, also comprise at least one supporting base on the base plate that is arranged on described housing, described supporting base can be rotationally to the described main shaft of upper support under the drive of described main shaft.
In above-mentioned main shaft supporting structure, the B phase position of described supporting base to the close described switching device of the strong point of described main shaft.
In above-mentioned main shaft supporting structure, described supporting base comprises
Base is fixed on described base plate;
At least two circle covers are arranged on described base free to rotately, described circle cover axially with the parallel to an axis of described main shaft and be arranged on dispersedly the both sides of described main shaft, the cylinder of described circle cover and the cylinder of described main shaft are tangent.
In above-mentioned main shaft supporting structure, described circle cover is even number.
In above-mentioned main shaft supporting structure, described circle cover axially being symmetrical arranged with respect to described main shaft.
In above-mentioned main shaft supporting structure, the radius of each described circle cover is identical.
In above-mentioned main shaft supporting structure, described circle cover is two.
In above-mentioned main shaft supporting structure, described circle cover is arranged on described base by fixing pin free to rotately.
In above-mentioned main shaft supporting structure, described circle cover is the round metal cover.
In above-mentioned main shaft supporting structure, be provided with one or two described supporting base on described base plate.
Technique scheme of the present utility model has the following advantages compared to existing technology:
The main shaft supporting structure of the switching device that the utility model provides comprises at least one supporting base that is arranged on the housing base plate, supporting base can be under the drive of main shaft supports main shaft upwards rollably.The clamping support supports main shaft that both can make progress, the power of lifting that makes progress to main shaft, overcome gravity effect, make main shaft indeformable, guarantee the conformity of three-phase line mechanical property, and because supporting base can rotate with main shaft, when divide-shut brake, can not produce sliding friction between main shaft and supporting base, the supporting way that can overcome prior art employing cushion block can reduce divide-shut brake speed, increase the problem of branch wire time, adopt the main shaft supporting structure of supporting base can not affect divide-shut brake speed and time, and can guarantee the conformity of three-phase line mechanical property.
1. the main shaft supporting structure of the switching device that provides of the utility model, supporting base be to the strong point of the main shaft B phase position near switching device, thereby avoid the deformation of main shaft B phase position, makes the three-phase mechanical property preservation consistent.
2. the main shaft supporting structure of the switching device that provides of the utility model, supporting base comprises base and at least two circle covers, the circle cover is arranged on base free to rotately, circle cover supports main shaft, and can rotate with main shaft, the supports main shaft that can make progress can not produce sliding friction with main shaft again, in the situation that do not affect switching device divide-shut brake speed and time, guarantee that the three-phase mechanical characteristic is consistent, and simple in structure, reasonable in design, be easy to realize.
3. the main shaft supporting structure of the switching device that provides of the utility model, even number circle cover axially is symmetrical arranged with respect to main shaft, and such design is easy to arrange, the convenient manufacturing.
4. the main shaft supporting structure of the switching device that provides of the utility model, the radius size of each circle cover can be designed to identical, easy to process like this, be suitable for batch production, Decrease production cost.
5. the main shaft supporting structure of the switching device that provides of the utility model, circle cover are the purpose that the rotational support main shaft can be completed in two and the both sides that are arranged on dispersedly main shaft, and simple for structure, cost is low.
6. the main shaft supporting structure of the switching device that provides of the utility model, the circle cover adopts the round metal cover, and is durable, is difficult for being affected by the external environment, and guarantees the working life of main shaft supporting structure.
7. the main shaft supporting structure of the switching device that provides of the utility model, can be provided with one or two supporting base on base plate, guarantee support effect, and when two supporting bases are set, even if one of them clamping support has damage, another supporting base still can work, and do not affect normal use and the performance of switching device, and cost is relatively low.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is the schematic diagram of common main shaft supporting structure in prior art;
Fig. 2 increases the schematic diagram of the main shaft supporting structure of cushion block in prior art;
Fig. 3 is the utility model main shaft supporting structure embodiment one schematic diagram;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 a is the schematic diagram one of the utility model main shaft supporting structure embodiment one supporting base;
Fig. 5 b is the schematic diagram two of the utility model main shaft supporting structure embodiment one supporting base;
Fig. 6 is the utility model main shaft supporting structure embodiment two schematic diagram;
Fig. 7 a is the schematic diagram one of the utility model main shaft supporting structure embodiment two supporting bases;
Fig. 7 b is the schematic diagram two of the utility model main shaft supporting structure embodiment two supporting bases;
Fig. 8 is the schematic diagram of the utility model main shaft supporting structure embodiment three supporting bases;
Fig. 9 is the schematic diagram of the utility model main shaft supporting structure embodiment four-supporting;
Figure 10 is the schematic diagram of the utility model main shaft supporting structure embodiment five supporting bases;
Figure 11 is the schematic diagram of the utility model main shaft supporting structure embodiment six supporting bases;
Figure 12 is the schematic diagram of the utility model main shaft supporting structure embodiment seven supporting bases.
In figure, reference character is expressed as: 1-main shaft, 2-side plate, 3-bearing support, 4-cushion block, 5-supporting base, 6-circle cover, 7-fixing pin, 8-base plate, 9-base.
Embodiment
Embodiment one
As shown in Fig. 3 and 4, it is the preferred embodiment of the main shaft supporting structure of the utility model switching device, described main shaft supporting structure comprises the side plate 2 of switching device housing, and the two ends of the main shaft 1 of described switching device are installed in rotation on described side plate 2 by bearing support 3.Be provided with at least one supporting base 5 on the base plate 8 of described housing, described supporting base 5 can be rotationally to the described main shaft 1 of upper support under the drive of described main shaft 1.In the present embodiment, be provided with a described supporting base 5 on described base plate 8, the strong point of 5 pairs of described main shafts 1 of described supporting base is near the B phase position of described switching device.
Described supporting base 5 comprises base 9 and at least two the circle covers 6 that are fixed on described base plate 8.Described circle cover 6 is arranged on described base 9 free to rotately, and in the present embodiment, described circle cover 6 is arranged on described base 9 by fixing pin 7 free to rotately, and described circle cover 6 is the round metal cover, can adopt the materials such as stainless steel, iron, copper.Described circle cover 6 axially with the parallel to an axis of described main shaft 1 and be arranged on dispersedly the both sides of described main shaft 1, the cylinder of described circle cover 6 and the cylinder of described main shaft 1 are tangent.In the present embodiment, described circle cover 6 be even number, is specially two, and the radius of two described circle covers 6 is identical and with respect to axially being symmetrical arranged of described main shaft 1, as shown in Fig. 5 a and 5b.
When the separating brake of switching device or when closing a floodgate, described main shaft 1 rotates, the cylinder of described circle cover 6 and the cylinder of described main shaft 1 are tangent, under the drive of described main shaft 1, described circle cover 6 also rotates, thereby realizes that described circle cover 6 both played effect to upper support to described main shaft 1, was consistent the mechanical property of A, B, C three-phase, do not affect again the normal rotation of described main shaft 1, do not affect divide-shut brake speed and the time of described switching device.
Embodiment two
As shown in Figure 6, the present embodiment and embodiment's one difference is, being provided with 5 pairs of main shafts 1 of two supporting bases at the B phase position near switching device rotatably supports, and, as shown in Fig. 7 a and 7b, described supporting base 5 in the present embodiment comprises base 9 and two the circle covers 6 that are fixed on base plate 8, described circle cover 6 is arranged on described base 9 free to rotately, in the present embodiment, described circle cover 6 is to be arranged on described base 9 by fixing pin 7 equally free to rotately, described circle cover 6 is the round metal cover, can adopt the materials such as stainless steel, iron, copper.Described circle cover 6 axially with the parallel to an axis of described main shaft 1 and be arranged on dispersedly the both sides of described main shaft 1, the cylinder of described circle cover 6 and the cylinder of described main shaft 1 are tangent.In the present embodiment, the radius of two described circle covers 6 is different.
Embodiment three
As shown in Figure 8, the present embodiment and embodiment's one difference is, the radiuses that 6, two described circle covers 6 of two circle covers are set on base 9 free to rotately are identical, and with respect to the axial asymmetric setting of main shaft 1.
Embodiment four
As shown in Figure 9, the present embodiment and embodiment's one difference is, the radius that 6, two described circle covers 6 of two circle covers are set on base 9 free to rotately is different, and with respect to the axial asymmetric setting of main shaft 1.
Embodiment five
As shown in figure 10, the present embodiment and embodiment's one difference is, four circle covers 6 are set on base 9 free to rotately, and the radius of each described circle cover 6 is identical, the both sides of main shaft 1 respectively arrange 6, four described circle cover 6 axially being symmetrical arranged with respect to described main shaft 1 of two described circle covers.
Embodiment six
As shown in figure 11, the present embodiment and embodiment's one difference is, four circle covers 6 are set on base 9 free to rotately, and the radius of each described circle cover 6 is identical, the both sides of main shaft 1 respectively arrange the 6 axial asymmetric settings with respect to described main shaft 1 of 6, four described circle covers of two described circle covers.
Embodiment seven
As shown in figure 12, the present embodiment and embodiment's one difference is, three circle covers 6 are set on base 9 free to rotately, and the radius of each described circle cover 6 is identical, and a side of main shaft 1 arranges a described circle cover 6, and opposite side arranges two described circle covers 6.
In other embodiments, it is even more that supporting base 5 can arrange 3,4, can select according to the length of main shaft 1.And the arrangement mode of circle cover 6, as long as also flexible choice as required is can be rotationally to the described main shaft 1 of upper support under the drive of main shaft 1.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (10)
1. the main shaft supporting structure of a switching device, the side plate (2) that comprises the housing of described switching device, the two ends of the main shaft of described switching device (1) are installed in rotation on described side plate (2) by bearing support (3), it is characterized in that: also comprise at least one supporting base (5) on the base plate (8) that is arranged on described housing, described supporting base (5) can be rotationally to the described main shaft of upper support (1) under the drive of described main shaft (1).
2. main shaft supporting structure according to claim 1, is characterized in that: the B phase position of described supporting base (5) to the close described switching device of the strong point of described main shaft (1).
3. main shaft supporting structure according to claim 2, it is characterized in that: described supporting base (5) comprises
Base (9) is fixed on described base plate (8);
At least two circle covers (6), be arranged on described base (9) free to rotately, described circle cover (6) axially with the parallel to an axis of described main shaft (1) and be arranged on dispersedly the both sides of described main shaft (1), the cylinder of described circle cover (6) and the cylinder of described main shaft (1) are tangent.
4. main shaft supporting structure according to claim 3 is characterized in that: described circle cover (6) is even number.
5. main shaft supporting structure according to claim 4, is characterized in that: described circle cover (6) axially being symmetrical arranged with respect to described main shaft (1).
6. main shaft supporting structure according to claim 5 is characterized in that: the radius of each described circle cover (6) is identical.
7. main shaft supporting structure according to claim 6 is characterized in that: described circle cover (6) is two.
8. according to claim 1-7 arbitrary described main shaft supporting structures is characterized in that: described circle cover (6) is arranged on described base (9) by fixing pin (7) free to rotately.
9. main shaft supporting structure according to claim 8 is characterized in that: described circle cover (6) is the round metal cover.
10. main shaft supporting structure according to claim 9, is characterized in that: be provided with one or two described supporting base (5) on described base plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320312612 CN203272482U (en) | 2013-05-31 | 2013-05-31 | Spindle supporting structure of switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320312612 CN203272482U (en) | 2013-05-31 | 2013-05-31 | Spindle supporting structure of switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272482U true CN203272482U (en) | 2013-11-06 |
Family
ID=49502904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320312612 Expired - Lifetime CN203272482U (en) | 2013-05-31 | 2013-05-31 | Spindle supporting structure of switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948594A (en) * | 2015-05-05 | 2015-09-30 | 李静 | Mounting rack for slurry driving shaft |
-
2013
- 2013-05-31 CN CN 201320312612 patent/CN203272482U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948594A (en) * | 2015-05-05 | 2015-09-30 | 李静 | Mounting rack for slurry driving shaft |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |