CN206947236U - V-type rotary open type disconnecting switch base drive device - Google Patents
V-type rotary open type disconnecting switch base drive device Download PDFInfo
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- CN206947236U CN206947236U CN201720920244.0U CN201720920244U CN206947236U CN 206947236 U CN206947236 U CN 206947236U CN 201720920244 U CN201720920244 U CN 201720920244U CN 206947236 U CN206947236 U CN 206947236U
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- main shaft
- interpolar
- pull bar
- disconnecting switch
- open type
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Abstract
V-type rotary open type disconnecting switch base drive device, including left-hand cylinder and right cylinder, left-hand cylinder and right cylinder are respectively arranged on base both ends, main shaft is respectively arranged with left-hand cylinder and right cylinder, the bottom of one of main shaft is connected with upper cardan fork, upper cardan fork is connected by central block with lower cardan fork, flange is equipped with above main shaft in the top of main shaft in left-hand cylinder and right cylinder, interpolar connecting lever is respectively arranged with two flanges, oscillating bearing is equipped with two interpolar connecting levers, interpolar pull bar is provided between two joint bearing, two joint bearing is loaded on the both ends of interpolar pull bar respectively, both ends of the two joint bearing respectively with interpolar pull bar are flexibly connected.Using the utility model, the gear in existing transmission base is eliminated, base exterior sets up interpolar connecting lever and interpolar pull bar, and easy installation and removal, debugging is simple, reliability is high, is easy to safeguard.
Description
Technical field
The utility model relates generally to high-voltage switch gear technical field, refers in particular to a kind of V-type rotary open type disconnecting switch base
Transmission device.
Background technology
In power system, V-type rotary open type disconnecting switch is widely used in the transformer station of each 35KV and above voltage.
At present, most of V-type rotary open type disconnecting switch base drive device coordinates transmission using gear, installs cogged base
Relatively complicated in terms of installation and debugging, with the permanent operation in transformer station, gear wear is serious, isolated switch main plug-in strip
Divide, in-place closing difficulty, the maintenance to the model disconnecting switch transmission base expends man-hour height, and operation difficulty is big.
Another part uses the transmission base of graphite bushing, and axle sleeve can not bear larger axial direction and radial load simultaneously,
Disconnecting switch side dress and upside-down mounting operating mode in, mechanical load-bearing capability is poor with transmission stability, and locking nut be placed in a left side,
Outside right cylinder, due to that need to fix whole rotating shaft, stress is larger, out of doors in environment longtime running, easily produces corrosion, viscous existing
As dismounting is difficult, and tight split nut is fixedly connected with rotating shaft, and when rotating shaft rotates, tight split nut also follows rotation, pacifies with base
The friction of dress face, serious wear.
Utility model content
The technical problems to be solved in the utility model is to overcome the existing transmission base gear of V-type disconnecting switch to coordinate transmission
The deficiency of mode, there is provided it is a kind of it is simple in construction, reliability is high, the V-type rotary open type disconnecting switch base of convenient operating maintenance
Transmission device.
The utility model solves the technical scheme that its technical problem uses：
V-type rotary open type disconnecting switch base drive device, including left-hand cylinder and right cylinder, left-hand cylinder and right cylinder are respectively arranged on bottom
Seat both ends, are respectively arranged with main shaft, one of main shaft in left-hand cylinder and right cylinder（The main shaft in main shaft or right cylinder i.e. in left-hand cylinder
Body）Bottom and upper cardan fork be connected, upper cardan fork is pitched by central block with lower cardan to be connected, the main shaft in left-hand cylinder
Top and right cylinder in main shaft above be equipped with flange, be respectively arranged with interpolar connecting lever on two flanges, on two interpolar connecting levers
Provided with oscillating bearing, interpolar pull bar is provided between two joint bearing, two joint bearing is loaded on the both ends of interpolar pull bar respectively, and two close
Both ends of the bearings respectively with interpolar pull bar are flexibly connected.
Further, in addition to sleeve and end cap, the top of main shaft are equipped with oil sealing and taper roll bearing, main shaft middle part
Equipped with another taper roll bearing and nut, another taper roll bearing and nut are located at sleeve, end cap and the common structure of main shaft
Into closing space in, gap between nut and end cap be present, sleeve and end cap are connected with base.
Further, the preferred metal taper roll bearing of taper roll bearing.The preferred round nut of nut.
Further, oscillating bearing is realized by screw thread with interpolar pull bar and is flexibly connected, the spiral shell of oscillating bearing and interpolar pull bar
Line screwing length is adjustable, by adjusting the length of thread engagement of oscillating bearing and interpolar pull bar, can adjust V-type rotary open type every
The contact position of contact and fingertip when leaving the main switch knife point of pass, closing a floodgate, ensures that switch smoothly divides, closed a floodgate.
Movable connection method between oscillating bearing and interpolar pull bar can also use other in addition to thread connecting mode
Mode connects, as long as can realize that the screwing length of oscillating bearing and interpolar pull bar is adjustable.
Further, the bottom of one of main shaft is pitched by flat key, keyway and upper cardan and is connected.
Further, central block is provided with the pin-and-hole being connected with lower cardan fork and the pin-and-hole being connected with upper cardan fork, center
Block is pitched by different pins with lower cardan respectively and upper cardan fork is connected.
The contact side current-carrying part of the main switch knife of V-type rotary open type disconnecting switch is fixed on a porcelain vase upper end, fingertip
Side current-carrying part is fixed on another porcelain vase upper end, and contact side current-carrying part end is provided with contact, fingertip side current-carrying part end
Provided with fingertip, the end of fingertip is provided with arc surface.
Before use, the lower end of two porcelain vases of V-type rotary open type disconnecting switch is separately fixed at left-hand cylinder inner main axis body
On flange above the flange of top and right cylinder inner main axis body.Under normal circumstances, switch point, close a floodgate when, the end of contact with
Fingertip contacts or the position of separation is circular arc in fingertip end, so that the smooth entrance of contact or separation fingertip.In reality
In border, because processing and assembling process have not eliminable error, when contact is contacted or separated with fingertip, the end of contact can
The arc surface of fingertip end can be deviate from, causes " dieback " phenomenon, causes switch point, difficulty of closing a floodgate.By adjusting oscillating bearing
With the length of thread engagement of interpolar pull bar, it is ensured that contact or separation point position of the contact with fingertip are the circular arcs in fingertip end
Place, so as to avoid point, combined floodgate catching phenomenon.
The application method of V-type rotary open type disconnecting switch base drive device as previously described, comprises the following steps：
The rotation pitched by lower cardan, upper cardan fork is followed rotation, drive the main shaft being connected with upper cardan fork
Body rotates, and so as to drive the interpolar connecting lever on the main shaft being connected with upper cardan fork to rotate, is pulled by interpolar pull bar another
Interpolar connecting lever rotary motion on main shaft, and then another main shaft rotation is driven, realize main in left-hand cylinder inner main axis body and right cylinder
Axis body synchronous rotary, finally realize main switch knife point, the making process of V-type rotary open type disconnecting switch；
The contact position of contact and static contact finger when such as needing to adjust main switch knife point, combined floodgate, by adjusting oscillating bearing and interpolar
The length of thread engagement of pull bar.
Compared with prior art, the utility model has the advantage of：
Using the utility model, the gear in existing transmission base is eliminated, base exterior sets up interpolar connecting lever and interpolar
Pull bar, easy installation and removal, debugging is simple, reliability is high, is easy to safeguard.Chassis interior installs taper roll bearing, can be simultaneously
Larger axial direction and radial load are born, there is outstanding mechanical load-bearing capability and transmission stability.Round nut is placed in close in cylinder
In seal ring border, there is locking effect, be difficult to corrosion in environment out of doors, and gap between round nut and end cap be present, in main shaft
Body will not produce friction, abrasion when rotating, be advantageous to extend main shaft service life.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model V-type rotary open type disconnecting switch base drive device；
Fig. 2 is the side view of the V-type rotary open type disconnecting switch base drive device shown in Fig. 1；
Fig. 3 is the top view of the base drive device of V-type rotary open type disconnecting switch shown in Fig. 1；
Fig. 4 is base drive device shown in Fig. 1 and V-type rotary open type disconnecting switch assembling schematic diagram；
Fig. 5 is that the contact of V-type rotary open type disconnecting switch and fingertip contact schematic diagram.
Embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail.
Reference picture 1, Fig. 2 and Fig. 3, V-type rotary open type disconnecting switch base drive device, including left-hand cylinder and right cylinder, it is left
Cylinder and right cylinder are respectively arranged on the both ends of base 1, main shaft 4 are respectively arranged with left-hand cylinder and right cylinder, the bottom of one of main shaft 4 passes through
Flat key, keyway and upper cardan fork 8 are connected, and upper cardan fork 8 is connected by central block 9 with lower cardan fork 10, in left-hand cylinder
The top of main shaft 4 in the top of main shaft 4 and right cylinder is equipped with flange, and interpolar connecting lever 11, the two poles of the earth are respectively arranged with two flanges
Between be equipped with oscillating bearing 12 on connecting lever 11, be provided with interpolar pull bar 13 between two joint bearing 12, two joint bearing 12 fills respectively
In the both ends of interpolar pull bar 13, both ends of the two joint bearing 12 respectively with interpolar pull bar 13 are flexibly connected.
Also include sleeve 6 and end cap 7, the top of main shaft 4 is equipped with oil sealing 5 and taper roll bearing 2-1, the middle part of main shaft 4
Equipped with another taper roll bearing 2-2 and round nut 3, another taper roll bearing 2-2 and round nut 3 are located at sleeve 6, end cap 7
In the closing space collectively formed with main shaft 4, gap between round nut 3 and end cap 7 be present, sleeve 6 and end cap 7 are and base
It is connected.
Oscillating bearing 12 is flexibly connected with interpolar pull bar 13 by screw thread realization, the spiral shell of oscillating bearing 12 and interpolar pull bar 13
Line screwing length is adjustable, and by adjusting the length of thread engagement of oscillating bearing 12 and interpolar pull bar 13, adjustable V-type rotarily opens
The contact position of contact and static contact finger when the main switch knife of formula disconnecting switch divides, closed a floodgate, ensure that switch smoothly divides, closed a floodgate.
Movable connection method between oscillating bearing and interpolar pull bar can also use other in addition to thread connecting mode
Mode connects, as long as can realize that the screwing length of oscillating bearing and interpolar pull bar is adjustable.
Central block 9 is provided with the pin-and-hole being connected with lower cardan fork 10 and the pin-and-hole being connected with upper cardan fork 8, central block 9
It is connected respectively by different pins with lower cardan fork 10 and upper cardan fork 8.
In the present embodiment, for each main shaft 4, the quantity of round nut 3 is two, such as 3-1 and 3-2 institutes in figure
Show, in favor of playing preferably locking and position-limiting action to main shaft 4.
Reference picture 4, the contact side current-carrying part 14 of the main switch knife of V-type rotary open type disconnecting switch are fixed on a porcelain vase
15 upper ends, fingertip side current-carrying part 16 are fixed on another upper end of porcelain vase 17, and the end of contact side current-carrying part 14 is provided with contact 18,
The end of fingertip side current-carrying part 16 is provided with fingertip 19, and the end of fingertip 19 is provided with arc surface 20.
Before use, the lower end of two porcelain vases 15,17 of V-type rotary open type disconnecting switch is separately fixed in left-hand cylinder main
On the flange above flange and right cylinder inner main axis body above axis body.Under normal circumstances, when switch point, combined floodgate, contact 18
The position that end contacts or separated with fingertip 19 is the arc surface 20 in the end of fingertip 19（Referring to Fig. 5）, so that contact 18 is suitable
Sliding entrance or separation fingertip.In practice, because processing and assembling process have not eliminable error, contact 18 and fingertip
When 19 contacts or separation, the end of contact 18 may deviate from the arc surface of the end of fingertip 19, cause " dieback " phenomenon, cause out
Pass point, difficulty of closing a floodgate.By the length of thread engagement for adjusting oscillating bearing 12 and interpolar pull bar 13, it is ensured that contact 18 and fingertip
19 contact or separation point position are the circular arcs in the end of fingertip 19, so as to avoid point, combined floodgate catching phenomenon.
The application method of V-type rotary open type disconnecting switch base drive device as previously described, comprises the following steps：
By the rotation of lower cardan fork 10, upper cardan fork 8 is followed rotation, drive what is be connected with upper cardan fork 8
Main shaft 4 rotates, and so as to drive the interpolar connecting lever 11 on the main shaft 4 being connected with upper cardan fork 8 to rotate, passes through interpolar pull bar
13 pull the rotary motion of interpolar connecting lever 11 on another main shaft 4, and then drive another main shaft rotation, realize main in left-hand cylinder
Axis body 4 and the right synchronous rotary of cylinder inner main axis body 4, finally realize the main switch knife point of V-type rotary open type disconnecting switch, closed a floodgate
Journey；
The contact position of contact and fingertip when such as needing to adjust main switch knife point, combined floodgate, by adjusting oscillating bearing 12 and interpolar
The length of thread engagement of pull bar 13.
A kind of preferred embodiment of the present utility model is discussed in detail above.The embodiment is only
It is to be used to help understand core concept of the present utility model.It should be pointed out that to those of ordinary skill in the art, not
On the premise of departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and repaiied
Decorations fall within the protection domain of the utility model claims.
Claims (5)
1.V type rotary open type disconnecting switch base drive devices, including left-hand cylinder and right cylinder, left-hand cylinder and right cylinder are respectively arranged on base
（1）Main shaft is respectively arranged with both ends, left-hand cylinder and right cylinder（4）, one of main shaft（4）Bottom and upper cardan pitch（8）Gu
Even, upper cardan fork（8）Pass through central block（9）Pitched with lower cardan（10）It is connected, the main shaft in left-hand cylinder（4）Top and the right side
Main shaft in cylinder（4）Top be equipped with flange, interpolar connecting lever is respectively arranged with two flanges（11）, two interpolar connecting levers（11）It is upper equal
Provided with oscillating bearing（12）, two joint bearing（12）Between be provided with interpolar pull bar（13）, two joint bearing（12）Pole is loaded on respectively
Between pull bar（13）Both ends, two joint bearing（12）Respectively with interpolar pull bar（13）Both ends be flexibly connected.
2. V-type rotary open type disconnecting switch base drive device according to claim 1, it is characterised in that：Also include
Sleeve（6）And end cap（7）, main shaft（4）Top is equipped with oil sealing（5）And taper roll bearing（2-1）, main shaft（4）Middle part fills
There is another taper roll bearing（2-2）And nut（3）, another taper roll bearing（2-2）And nut（3）Positioned at sleeve（6）, end
Lid（7）And main shaft（4）In the closing space collectively formed, nut（3）With end cap（7）Between gap, sleeve be present（6）And end
Lid（7）It is connected with base.
3. V-type rotary open type disconnecting switch base drive device according to claim 1 or 2, it is characterised in that：Joint
Bearing（12）With interpolar pull bar（13）Realized and be flexibly connected by screw thread, oscillating bearing（12）With interpolar pull bar（13）Screw thread rotation
Adjustable length is closed, by adjusting oscillating bearing（12）With interpolar pull bar（13）Length of thread engagement, adjust V-type rotary open type
The contact position of contact and fingertip when the main switch knife of disconnecting switch divides, closed a floodgate.
4. V-type rotary open type disconnecting switch base drive device according to claim 1 or 2, it is characterised in that：Wherein
One main shaft（4）Bottom pass through flat key, keyway and upper cardan pitch（8）It is connected.
5. V-type rotary open type disconnecting switch base drive device according to claim 1 or 2, it is characterised in that：Center
Block（9）It is provided with and is pitched with lower cardan（10）Connected pin-and-hole and pitched with upper cardan（8）Connected pin-and-hole, central block（9）Respectively
Pitched by different pins and lower cardan（10）Pitched with upper cardan（8）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720920244.0U CN206947236U (en) | 2017-07-27 | 2017-07-27 | V-type rotary open type disconnecting switch base drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720920244.0U CN206947236U (en) | 2017-07-27 | 2017-07-27 | V-type rotary open type disconnecting switch base drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206947236U true CN206947236U (en) | 2018-01-30 |
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ID=61370248
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720920244.0U Active CN206947236U (en) | 2017-07-27 | 2017-07-27 | V-type rotary open type disconnecting switch base drive device |
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| Country | Link |
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| CN (1) | CN206947236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248472A (en) * | 2017-07-27 | 2017-10-13 | 湖南长高高压开关有限公司 | A kind of V-type rotary open type disconnecting switch base drive device and its application method |
-
2017
- 2017-07-27 CN CN201720920244.0U patent/CN206947236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248472A (en) * | 2017-07-27 | 2017-10-13 | 湖南长高高压开关有限公司 | A kind of V-type rotary open type disconnecting switch base drive device and its application method |
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