CN202258744U - Gear control box for non-excitation tap switch - Google Patents
Gear control box for non-excitation tap switch Download PDFInfo
- Publication number
- CN202258744U CN202258744U CN 201120142965 CN201120142965U CN202258744U CN 202258744 U CN202258744 U CN 202258744U CN 201120142965 CN201120142965 CN 201120142965 CN 201120142965 U CN201120142965 U CN 201120142965U CN 202258744 U CN202258744 U CN 202258744U
- Authority
- CN
- China
- Prior art keywords
- gear
- output shaft
- tap switch
- control cabinet
- base
- 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 - Lifetime
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0044—Casings; Mountings; Disposition in transformer housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
- H01H9/0033—Operating mechanisms with means for indicating the selected tap or limiting the number of selectable taps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The utility model relates to a gear control box for a non-excitation tap switch. A transmission device is arranged in a box body consisting of a base and an upper cover, the transmission device consists of an output shaft and an input shaft, the output shaft is provided with a vertical bearing, the input shaft is provided with a transverse bearing and a thrust bearing, in addition, a worm wheel connected onto the output shaft is matched with a worm rod connected on the input shaft, a stop block fixed on the worm wheel is matched with a position limiting block arranged on the base, and a gear display screen is also fixedly arranged on the worm wheel. The control box has the transmission, gear position limitation and gear display functions, is respectively connected with the tap switch and an operation box of an electric or manual non-excitation tap switch and carries out gear control on the tap switch, the equipment damage accidents and other serious accidents caused by limit position exceeding are avoided, the re-installation can be realized only through ensuring that the gear on a transformer tap switch is the same as the gear displayed on the control box after the electric system emergency dealing, overhaul and dismounting, unnecessary programs are reduced, the use is simpler, the time and the labor are saved, and the work efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of safety guard of transformer off circuit tap changer, particularly a kind of off circuit tap changer gear control cabinet.
Background technology
Shunting switch is the tap position that changes Transformer Winding, is used to change the output voltage of transformer, and shunting switch is directly installed on the work of transformer next door.
What patent No. CN200710070035.2 " mechanical position limitation of tapping switch electric is put device " provided only is a kind of electric operation mechanism of shunting switch; And the function of transmission control and mechanical position limitation only arranged; The running of output shaft in the limited prevention of ability, the protection motor machine; The major accident of avoiding shunting switch when electronic tap, to occur exceeding the maximum position operation and causing, but this stopping means does not also have Presentation Function.
Patent No. CN201020552547.X " off circuit tap changer manual control mechanism limit stopping means "; What provide only is the gear limit stopping means of manual control mechanism; Improper for preventing the shunting switch gearshift; The device damage accident that ultra scope operation is caused, the reliability and the fail safe that improve equipment.
If running into electric power system speedily carries out rescue work, overhauls, safeguards, when maintaining, needs to refill back after the maintenance with shunting switch, transformer dismounting down; Because of no gear shows, just do not know it when reinstalling at which gear, at this moment just need to go inspection, judge with other method; Or remove the output resistance of every retaining on the measuring transformer with ohmmeter; Extrapolate the gear at its place again from the size of resistance, troublesome poeration, time-consuming, effort influence repairing progress and operating efficiency greatly like this.
Summary of the invention
The utility model technical problem to be solved is: a kind of off circuit tap changer gear control cabinet is provided; Be directly installed on have transmission on the shunting switch of transformer, gear shows, the spacing multi-functional of gear; For shunting switch increases a safety guard; Operation, easy to use simultaneously is convenient to speedily carry out rescue work, maintenance etc., increases work efficiency greatly.
The utility model addresses the above problem the technical scheme that is adopted: off circuit tap changer gear control cabinet; In the casing of being made up of base, loam cake transmission device being installed forms; Described transmission device be the output shaft of the vertical bearing of mounting strap with the power shaft of horizontal bearing, thrust bearing; And the worm screw that is connected on the worm gear that connects on the output shaft and the power shaft cooperates, and block fixing on the worm gear cooperates with the guide vane end stop on the base, also is fixed with gear display screen composition on the said worm gear.
Compared with prior art, the advantage of the utility model is: do not have this gear control cabinet on the former off circuit tap changer, only have gear to do transmission and use; Increased safety guard one for shunting switch at present; This control cabinet has control of transmission gear and gear Presentation Function, is connected with the operation panel of shunting switch with electronic or manual off circuit tap changer respectively, and shunting switch is carried out gear control; The device damage accident of avoiding exceeding the maximum the position and causing and other great accident; Simultaneously his gear Presentation Function of having still can show or keep original state after speedily carrying out rescue work, overhaul, dismantle, resetting, and does not need other program; As long as guarantee that the gear that shows on gear and the control cabinet on the sub-connecting switch of transformer is consistent; Reduced other unnecessary trouble, use simpler, save time, laborsaving, increase work efficiency greatly.There are gear control, this control cabinet that gear control is also arranged on the shunting switch operation panel, have dual gear limit function that double protection is arranged, control when inconsistent, will seek reason, thereby guarantee the reliability of its safe handling when two parts gear to shunting switch.
Description of drawings
The structural representation of Fig. 1, the utility model (partial sectional view).
The A-A view of Fig. 2, Fig. 1.
The rearview of Fig. 3, Fig. 1.
The inner surface structure sketch map of Fig. 4, base.
The outer surface structure sketch map of Fig. 5, worm gear (being operated in five gears).
Fig. 6, worm gear outer surface structure sketch map (being operated in four gears).
Fig. 7, worm gear outer surface structure sketch map (being operated in six gears).
Embodiment
Embodiment to the utility model further describes below in conjunction with accompanying drawing.
High arc limiting stand 7-1 that rises and the middle boss platform 7-2 that the stairstepping through hole is arranged are arranged on inner surface one side of base 7, the link slot 12-1 of strip spill is arranged in the middle of output shaft 12 lower surfaces.
This control cabinet is made into five gears, and the lower surface of worm gear 13 is divided into six five equilibriums, and Liang Chu be screwed block first 14, block second 14 ', as shown in Figure 5.If it is will be made into the control cabinet of six gears, at this moment, as shown in Figure 7 as long as in the fixing block first 14 of the lower surface of worm gear.If to be controlled at the fixing two block first 14 of the lower surface of four gear worm gears, block second 14 ', but block first 14 and block second 14 ' distance to increase by a neutral gear position, as shown in Figure 6.
The upper surface of worm gear is screwed the annular gear display screen 2 of gear mark; In base 7 and loam cake 1 corresponding section vertical bearing 11 is installed; Also worm gear 13 usefulness keys are connected on the output shaft 12; Output shaft connects into integral body through vertical bearing 11 with loam cake 1, base 7 respectively, and the power shaft 5 that has worm screw 8 is horizontally through through hole, cover plate 3, laterally bearing 4 and thrust bearing 6 and worm gear 13 engagements on loam cake 1 two side, and loam cake 1 is screwed whole with base 7.Promptly also be fixed with cover plate 3 in the cooperation place of power shaft 5 two ends and loam cake 1.
Be connected with seal cover 15 on the base of output shaft 12 lower ends, also be fixed with collar 17 on the output shaft at seal cover place, guarantee that output shaft axial endplay can not take place, guarantee that with worm engaging transmission is safe and reliable all the time.
The base lower surface ring groove is embedded with sealing gasket 16.
Height in loam cake 1 one sides plays the place, the rain cover 10 of also be threaded band transparent windows and sealing ring 9.
During use; Through the through hole on base 7 peripheries; With screw this control cabinet is fixed on (figure does not draw) on the shunting switch; And the link slot 12-1 on the output shaft 12 tipped on the protruding button of shunting switch and connects into integral body, the power shaft that is driven on the shunting switchs by the output shaft on the control cabinet 12 rotates, on the control cabinet power shaft 5 again with electronic or manual off circuit tap changer operation panel on output shaft be connected.
The output shaft that is driven on it by the power on electronic or the manual control case rotates; Driving the power shaft that connects on the whole control cabinet with it simultaneously again rotates; Through the worm screw on the power shaft 8 worm gear 13 is rotated for an one of which power, drive block first 14 and block second 14 ' rotation on the lower surface when worm gear rotates, stopped operating when the rotation of block second 14 ' clockwise direction stops up to the lower limb of block second 14 ' meet base 7 upper limit platform 7-1; Promptly rotated five and be divided into five gears; If block 14 counterclockwise rotates, the top edge of meeting the limiting stand 7-1 on the base 7 up to block first 14 is stopped rotation, promptly rotates five gears from different directions.
Whether gear puts in place can be found out that this control cabinet has gear to show and gear is spacing and transmission agency from transparency window on the rain cover 10 is clear.
When electric power system speedily carry out rescue work, when overhauling; With the dismounting of this control cabinet down, but its gear can not be moved in intact preservation, and as long as the good back of maintenance is according to this gear; With the position of transformer and shunting switch and the corresponding installation of this control cabinet just; Save time, laborsaving, increase work efficiency greatly, major accident can not take place because of the position that exceeds the maximum in assurance equipment.
Claims (5)
1. off circuit tap changer gear control cabinet; In the casing of forming by base (7), loam cake (1) transmission device is installed; It is characterized in that described transmission device is by the output shaft (12) of the vertical bearing of mounting strap (11) with the power shaft (5) of horizontal bearing (4), thrust bearing (6); And worm screw (8) cooperation that is connected on the worm gear (13) that go up to connect of output shaft (12) and the power shaft (5); Fixing block gone up by worm gear (13) and the guide vane end stop (7-1) on the base (7) cooperates, and also is fixed with gear display screen (2) on the said worm gear (13) and forms.
2. off circuit tap changer gear control cabinet according to claim 1 is characterized in that being connected with seal cover (15) on the base of said output shaft (12) lower end, is fixed with collar (17) on the output shaft at seal cover place.
3. off circuit tap changer gear control cabinet according to claim 1 is characterized in that said power shaft (5) two ends and loam cake (1) cooperation place also are fixed with cover plate (3).
4. off circuit tap changer gear control cabinet according to claim 1 is characterized in that said base (7) lower surface groove is embedded with sealing gasket (16).
5. off circuit tap changer gear control cabinet according to claim 1, also the be threaded rain cover (10) of band transparent windows and sealing ring (9) of the height place of rising that it is characterized in that said loam cake (1) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120142965 CN202258744U (en) | 2011-04-29 | 2011-04-29 | Gear control box for non-excitation tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120142965 CN202258744U (en) | 2011-04-29 | 2011-04-29 | Gear control box for non-excitation tap switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258744U true CN202258744U (en) | 2012-05-30 |
Family
ID=46119950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120142965 Expired - Lifetime CN202258744U (en) | 2011-04-29 | 2011-04-29 | Gear control box for non-excitation tap switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258744U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578806A (en) * | 2012-07-20 | 2014-02-12 | 太仓子午电气有限公司 | Convenient-to-install magnetic switch |
| DE102013107553A1 (en) | 2013-07-16 | 2015-01-22 | Maschinenfabrik Reinhausen Gmbh | On-load tap-changer and method for emergency operation setting of a defined switching position of an on-load tap-changer |
| CN108286587A (en) * | 2017-12-13 | 2018-07-17 | 广州市昊志机电股份有限公司 | A kind of fixture |
-
2011
- 2011-04-29 CN CN 201120142965 patent/CN202258744U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578806A (en) * | 2012-07-20 | 2014-02-12 | 太仓子午电气有限公司 | Convenient-to-install magnetic switch |
| DE102013107553A1 (en) | 2013-07-16 | 2015-01-22 | Maschinenfabrik Reinhausen Gmbh | On-load tap-changer and method for emergency operation setting of a defined switching position of an on-load tap-changer |
| WO2015007474A1 (en) | 2013-07-16 | 2015-01-22 | Maschinenfabrik Reinhausen Gmbh | On-load tap changer and a method for the emergency adjustment of a defined switching position of an on-load tap changer |
| DE102013107553B4 (en) * | 2013-07-16 | 2016-05-19 | Maschinenfabrik Reinhausen Gmbh | On-load tap-changer, transmission in the on-load tap-changer and method of emergency operation of a defined switching position in the on-load tap-changer |
| US10074492B2 (en) | 2013-07-16 | 2018-09-11 | Maschinenfabrik Reinhausen Gmbh | On-load tap changer and method of emergency setting defined switching position thereof |
| CN108286587A (en) * | 2017-12-13 | 2018-07-17 | 广州市昊志机电股份有限公司 | A kind of fixture |
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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: 20120530 |