CN201975275U - Non-excitation bar-shaped capacitance-regulating tap switch - Google Patents
Non-excitation bar-shaped capacitance-regulating tap switch Download PDFInfo
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- CN201975275U CN201975275U CN2011200934060U CN201120093406U CN201975275U CN 201975275 U CN201975275 U CN 201975275U CN 2011200934060 U CN2011200934060 U CN 2011200934060U CN 201120093406 U CN201120093406 U CN 201120093406U CN 201975275 U CN201975275 U CN 201975275U
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Abstract
The utility model relates to a non-excitation bar-shaped capacitance-regulating tap switch. A high-voltage regulating unit and a low-voltage regulating unit are arranged within a same plane in a parallel way; a driving mechanism unit is positioned above the high-voltage regulating unit and the low-voltage regulating unit; a left fixing plate and a right fixing plate of the high-voltage regulating unit, an upper fixing plate and a lower fixing plate of the low-voltage regulating unit as well as a supporting frame of the driving mechanism unit are fixedly connected into a whole; a driving gear of the driving mechanism unit is engaged with a main gear rack of the high-voltage regulating unit to constitute a gear and gear rack mechanism; a driven gear of the driving mechanism unit is meshed with an auxiliary gear rack of the low-voltage regulating unit to constitute another gear and gear rack mechanism; and a grooved pulley of the driving mechanism unit is matched with a shift fork to constitute a grooved pulley mechanism. By adopting the non-excitation bar-shaped capacitance-regulating tap switch, the height of an oil tank of a transformer can be greatly reduced, the length of a tapping lead wire of the transformer can be shortened, and the manufacturing cost of the transformer can be lowered. In the non-excitation bar-shaped capacitance-regulating tap switch, a moving contact and a fixed contact adopt the method of clamping-piece type elastic contact, the manufacturing is convenient, the contact is reliable, and the manufacturing cost of the tap switch is reduced.
Description
Technical field
The utility model relates to a kind of no excitation bar shaped capacity transfer shunting switch.
Background technology
In vast rural area and city neighborhood electricity consumption seasonality stronger, same transformer summer and winter usually at full capacity even overload operation, thereby cause transformer to break down.And other season, transformer is in again under the light condition and moves.And transformer to move under light condition be uneconomic.In order to overcome this defective, adopt capacitance-adjustable transformer usually, and capacitance-adjustable transformer must use a kind of capacity transfer shunting switch to realize.Existing capacity transfer shunting switch is that horizontal cage structure exists following defective:
1. the high and low pressure pressure regulation unit of horizontal cage structure switch distributes along switch horizontal type level axis, lay respectively at the two ends of axis, and high pressure pressure regulation unit three-phase terminal is distributed in respectively on six planes parallel with the horizontal axis normal of switch with low pressure pressure regulation unit three-phase terminal, and every phase connection terminal on each plane circumferentially.When being directed at transformer high and low pressure tap lead and switch high and low pressure pressure regulation unit three-phase terminal like this and linking to each other, a part of tap lead must stride across transformer core, makes the fuel tank of transformer to increase; A part of high and low pressure lead-in wire is interlaced, has both increased wire length, is not easy to lead-in wire again and connects and insulation processing.Promptly increase the transformer manufacturing cost, reduced the reliability of transformer.
2. the low pressure pressure regulation unit of horizontal cage structure switch moves, decides contact is the way of contact of rigidity friction-type, and inconvenience is regulated, poor reliability; High pressure pressure regulation unit moves, decides contact for touching the way of contact of nail formula, and little of contact capacity is applicable to small capacity transformer, poor reliability.
Summary of the invention
Above-mentioned defective and problem that the purpose of this utility model exists at the cage structure switch, and provide a kind of no excitation bar shaped capacity transfer shunting switch, high pressure pressure regulation unit of the present utility model and low pressure pressure regulation unit are in the same horizontal plane linearly symmetrical parallel to be arranged, by the driving mechanism unit drives; The high pressure pressure regulation unit connection terminal of switch is positioned at the transformer high-voltage side in transformer, and in the parallel correspondence in transformer high-voltage tap lead position; Low pressure pressure regulation unit connection terminal is positioned at step down side, and in the parallel correspondence in transformer low voltage tap lead position.Thereby transformer high and low pressure tap lead is when linking to each other with the binding post of switch high-pressure pressure regulation unit and low pressure pressure regulation unit, and tap lead needn't stride across transformer core; And the high and low pressure tap lead needn't be interlaced, thereby can reduce the oil tank of transformer height greatly, reduces transformer tap lead length, reduces the manufacturing cost of transformer.High pressure pressure regulation unit of the present utility model and low pressure pressure regulation unit be moving decide contact and all to adopt clip type Elastic Contact mode, and easy to make, contact reliably is convenient to make big capacity contact applicable to middle small capacity transformer, has improved the reliability of switch and transformer.Reduced the switch manufacturing cost.
For realizing above-mentioned target, adopted following technical scheme:
A kind of no excitation bar shaped capacity transfer shunting switch, form by driving mechanism unit, high pressure pressure regulation unit, low pressure pressure regulation unit, it is characterized in that: high pressure pressure regulation unit, low pressure pressure regulation unit are located in the same horizontal plane and are arranged in parallel, the driving mechanism unit is positioned at the top of high pressure pressure regulation unit, low pressure pressure regulation unit, and the last bottom plate of the left and right fixed head of high pressure pressure regulation unit, low pressure pressure regulation unit and the bracing frame of driving mechanism unit are fixedly connected in aggregates; And a pinion and rack is formed in the main tooth bar engagement of the driving gear of driving mechanism unit and high pressure pressure regulation unit, another pinion and rack is formed in the secondary tooth bar engagement of the driven gear of driving mechanism unit and low pressure pressure regulation unit, the sheave of driving mechanism unit and shift fork coupling are formed a Geneva mechanism, and the energy delivery between driving mechanism unit and high pressure pressure regulation unit and low pressure pressure regulation unit is realized by a pair of Geneva mechanism and two pairs of pinion and racks.
Described driving mechanism unit comprises dust cover, moving axis, handle, bearing, driving gear, shift fork, finger, sheave, dead axle, driven gear, ring flange, bracing frame, and ring flange is welded on the bracing frame; Finger is welded on the shift fork; Moving axis inserts the flange dribbling to be had in the hole of bearing and passes by driving gear spacing from the hole; One end of moving axis is being fixed driving handle and dust cover, a coaxial driving gear and the shift fork fixed of the other end; Dead axle one end is welded on the bracing frame, and other end suit a co-axially fixed sheave and a driven gear.
Described sheave is provided with an allocating slot and two locking arcs.
The driving mechanism unit also comprises 2 interior seal, inner washer, sealing plug, locating pin, outer nut, outer washer, outer seal, banking pin, and 2 interior seal, inner washer, sealing plugs are installed in the ring flange respectively; Locating pin is fixed on the handle; Outer nut, outer washer, outer seal, banking pin are installed on the ring flange.
Described high pressure pressure regulation unit is made up of left fixed insulation bar, 3 line end pressure regulation binding posts, 6 line end pressure regulation moving contacts, 6 springs, 6 bearing pins, moving bar, 2 supporting members, main tooth bar, right fixed insulation bar, 9 tap position binding posts, left fixed head, 3 holders, 6 neutral point pressure regulation moving contacts, 3 little holders, 2 sheets that conflux, 3 output wiring terminals, right fixed heads, and main tooth bar is fixed on the moving bar by 2 supporting members; Left side fixed insulation bar, right fixed insulation bar, moving bar are in the same horizontal plane, and left fixed insulation bar is positioned at the parallel symmetric arrangement in both sides of moving bar with right fixed insulation bar, and the two ends of left and right fixed insulation bar are fixed on the left and right fixed head; Install by three phase sequences on the right fixed insulation bar, the every layout mutually installed 3 tap position binding posts and 1 output wiring terminal, install and right fixed insulation bar three opposite positions by three phase sequences on the fixed insulation bar of a left side, every 1 line end pressure regulation binding post arrange to be installed mutually, corresponding output wiring terminal goes between by copper in twos and is connected conducting on the line end pressure regulation binding post on the left fixed insulation bar and the right fixed insulation bar; Alternately arrange on the moving bar 3 holders and 3 little holders are installed, 3 holder one ends are fixed on the moving bar, and the other end is sleeved on the right fixed insulation bar, make that bar is parallel to be strapped between the left and right fixed insulation bar; The difference symmetric arrangement is installed 2 neutral point pressure regulation moving contacts and 1 spring and 1 bearing pin in every holder, the difference symmetric arrangement is installed moving contact and 1 spring and 1 bearing pin of 2 line end pressure regulation in every little holder, by the effect generation contact pressure of spring and bearing pin; 2 the moving contact connection conducting formation neutral points of sheet that conflux with 3 pairs of neutral point pressure regulation.When the moving contact of neutral point pressure regulation was in the service position, the moving contact of line end pressure regulation was in the room.Vice versa.Engagement by driving gear and main tooth bar in the driving mechanism unit obtains power.Station conversion with the moving contact of realizing neutral point pressure regulation moving contact and line end pressure regulation.
Described low pressure pressure regulation unit by secondary tooth bar, 6 sub-folder gripping members, 12 springs, 12 bearing pins, 12 moving contacts, 2 limiting plates, upper mounted plate, bottom plate, 9 decide that contact, 3 are auxiliaryly decided contact, 1 fixed lever is formed, upper mounted plate and bottom plate decide with 9 that contact and 3 are auxiliary decide contact and to install by three phase sequences, whenever install 3 mutually and decide contact, 1 and assist and decide contact and be clamped in successively and also use bolted between upper mounted plate and bottom plate; 2 limiting plates are separately fixed on the upper and lower fixing plate;
Symmetric arrangement is installed 2 moving contacts in every sub-folder gripping member, is placed with 1 spring and 1 bearing pin in each moving contact, and 6 sub-folder gripping members connect in aggregates by secondary tooth bar and fixed lever by securing member; Every pair of moving contact in 6 sub-folder gripping members is decided contact coupling Elastic Contact with corresponding successively by 2 pairs of every phases.Engagement by driven gear and secondary tooth bar in the driving mechanism unit obtains power, to realize the station conversion of moving contact.
The operation principle of switch:
1, when handle in the driving mechanism unit rotates to 3 stations by 1 station:
Drive the driving gear rotation synchronously, the main tooth bar that driving gear drives in the high pressure pressure regulation unit moves horizontally, thereby the three-phase line end pressure regulation moving contact that drives on the moving bar rotates to 3 stations by 1 station, and the transformer high-voltage end-coil is that triangle connects, and can be implemented in simultaneously ± the line end pressure regulation of 5% scope.Neutral point pressure regulation this moment moving contact is in the room.Meanwhile, shift fork is in first locking arc of sheave, consolidate on moving axis because of itself and driving gear are coaxial, so rotation synchronously, and the finger on the fork with it just goes to the allocating slot porch of sheave, this interval sheave remains static, be fixedly set on the dead axle because of driven gear and sheave are coaxial, so driven gear also remains static, because of the secondary tooth bar engagement on driven gear and the low pressure pressure regulation unit, so the moving contact group on the low pressure pressure regulation unit also remains static.Be that moving contact on this segment low pressure pressure regulation unit places station in parallel, remain static all the time.Realization becomes low voltage winding in transformers the purpose of parallel connection method.
2. when handle in the driving mechanism unit rotates to 4 stations by 3 stations:
Driving gear and shift fork rotation, driving gear drives main tooth bar makes the neutral point pressure regulation moving contact in the high pressure pressure regulation unit rotate to 4 stations by the room, make the transformer high-voltage end-coil connect and be converted to Y-connection, thereby changed step-up side capacity and transformer high-voltage terminal voltage in ± 5% range regulation by triangle.Line end pressure regulation this moment moving contact is in the room.Finger on this while shift fork stirs sheave and driven gear rotates a predetermined angular, thereby the moving contact that drives on the low pressure pressure regulation unit is converted to the series connection station by station in parallel, shift fork enters in the second locking arc of sheave simultaneously, and realization is converted to the transformer low voltage end-coil to be connected in series and reaches the purpose that changes the step-down side capacity by being connected in parallel.
3. when handle in the driving mechanism unit is converted to 6 stations by 4 stations:
In the high pressure pressure regulation unit moving contact group, it is Y-connection that neutral point pressure regulation moving contact is converted to 6 station transformer high-voltage end-coils by 4 stations, can be implemented in simultaneously ± the neutral point pressure regulation of 5% scope; And moving contact remains static on the low pressure pressure regulation unit, keeps the transformer low voltage end-coil to be connected in series.
Otherwise: when handle in the driving mechanism unit is converted to 4 stations by 6 stations (similar) with 3.
When handle in the driving mechanism unit rotates to 3 stations by 4 stations:
The transformer high-voltage end-coil becomes triangle by Y-connection and connects, and it is (similar with 2 that the transformer low voltage end-coil becomes parallel connection by series connection.)
When handle in the driving mechanism unit rotates to 1 station by 3 stations (similar) with 1.
Description of drawings
Fig. 1 is the front view of switch.
Fig. 2 is the N-N cutaway view of switch.
Fig. 3 is the M-M cutaway view of switch.
Fig. 4 is Geneva mechanism and two a gear mechanisms combination schematic diagram in the switch.
Fig. 5 is a switch high-pressure pressure regulation unit voltage-regulation principle schematic diagram.
Fig. 6 is a switch low pressure pressure regulation unit voltage-regulation principle schematic diagram.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model is made up of driving mechanism unit, high pressure pressure regulation unit, low pressure pressure regulation unit, high pressure pressure regulation unit, low pressure pressure regulation unit are located in the same horizontal plane and are arranged in parallel, the driving mechanism unit is positioned at the top of high pressure pressure regulation unit, low pressure pressure regulation unit, the left and right sides fixed head (39 of high pressure pressure regulation unit, 46), the bracing frame 38 of the last bottom plate (24,26) of low pressure pressure regulation unit and driving mechanism unit is fixedly connected in aggregates; And the driving gear 13 of driving mechanism unit is formed a pinion and rack with 34 engagements of the main tooth bar of high pressure pressure regulation unit, another pinion and rack is formed in secondary tooth bar 19 engagements of the driven gear 18 of driving mechanism unit and low pressure pressure regulation unit, the sheave 16 of driving mechanism unit is formed a Geneva mechanism with shift fork 14 couplings, and the energy delivery between driving mechanism unit and high pressure pressure regulation unit and low pressure pressure regulation unit is realized by a pair of Geneva mechanism and two pairs of pinion and racks.
Described driving mechanism unit comprises dust cover 1, moving axis 5, handle 6, bearing 12, driving gear 13, shift fork 14, finger 15, sheave 16, dead axle 17, driven gear 18, ring flange 37, bracing frame 38, and ring flange 37 is welded on the bracing frame 38; Finger 15 is welded on the shift fork 14; Moving axis 5 inserts ring flanges 37 and has in the hole of bearing 12 and pass by driving gear 13 spacing from the hole; One end of moving axis 5 is being fixed driving handle 6 and dust cover 1, a coaxial driving gear 13 and the shift fork 14 fixed of the other end; Dead axle 17 1 ends are welded on the bracing frame 38, and other end suit a co-axially fixed sheave 16 and a driven gear 18.Described sheave 16 is provided with an allocating slot and two locking arcs.
Driving mechanism unit of the present utility model also comprise seal 2 in 2, seal 2 in 11,2 of the inner washers 3, sealing plug 4, locating pin 7, outer nut 8, outer washer 9, outer seal 10, banking pin, inner washer 3, sealing plug 4 be installed in respectively in the ring flange 37; Locating pin 7 is fixed on the handle 6; Outer nut 8, outer washer 9, outer seal 10, banking pin 11 are installed on the ring flange 37.
Described high pressure pressure regulation unit is made up of conflux sheet 43,3 output wiring terminals 44, right fixed heads 46 of 21,6 bearing pins 27 of 31,6 springs of 30,6 line end pressure regulation moving contacts of 29,3 line end pressure regulation binding posts of left fixed insulation bar, moving 32,2 supporting members 33 of bar, main tooth bar 34,35,9 tap position binding posts 36 of right fixed insulation bar, 42,2 of 41,3 clip gripping members of 40,6 neutral point pressure regulation moving contacts of 39,3 holders of left fixed head, and main tooth bar 34 is fixed on by 2 supporting members 33 and moves on the bar 32; Left side fixed insulation bar 29, right fixed insulation bar 35, moving bar 32 are in the same horizontal plane, and left fixed insulation bar 29 is positioned at the parallel symmetric arrangement in both sides of moving bar 32 with right fixed insulation bar 35, and the two ends of left fixed insulation bar 29, right fixed insulation bar 35 are fixed on left fixed head 39 and the right fixed head 46; Install by three phase sequences on the right fixed insulation bar 35, the every layout mutually installed 3 tap position binding posts 36 and 1 output wiring terminal 44; Install and right fixed insulation bar 35 3 opposite positions by three phase sequences on the left side fixed insulation bar 29, every 1 line end pressure regulation binding post 30 arrange to be installed mutually, corresponding output wiring terminal 44 is in twos by the conducting that links to each other of copper lead-in wire on the line end pressure regulation binding post 30 on the left fixed insulation bar 29 and the right fixed insulation bar 35;
Alternately arrange on the moving bar 32 3 holders 40 and 3 clip gripping members 42 are installed, 3 holder 40 1 ends are fixed on the moving bar 32, the other end is sleeved on the right fixed insulation bar 35, makes bar 32 parallel being strapped between right fixed insulation bar 35 and the left fixed insulation bar 29; The difference symmetric arrangement is installed 2 neutral point pressure regulation moving contacts 41 and 1 spring 21 and 1 bearing pin 27 in every holder 40, the difference symmetric arrangement is installed moving contact 31 and 1 spring 21 and 1 bearing pin 27 of 2 line end pressure regulation in every clip gripping member 42, by the effect generation contact pressure of spring 21 and bearing pin 27; 2 the moving contact 41 connection conductings formation neutral points of sheet 43 that conflux with 3 pairs of neutral point pressure regulation.When the moving contact 41 of neutral point pressure regulation was in the service position, the moving contact 31 of line end pressure regulation was in the room.Vice versa.By the engagement acquisition power of driving gear in the driving mechanism unit 13 with main tooth bar 34.Station conversion with the moving contact 31 of realizing neutral point pressure regulation moving contact 41 and line end pressure regulation.
Described low pressure pressure regulation unit is decided by 22,2 limiting plates 23 of 27,12 moving contacts of 21,12 bearing pins of 20,12 springs of 19,6 sub-folder gripping members of secondary tooth bar, upper mounted plate 24,26,9 of bottom plates that 25,3 of contacts are auxiliary to be decided 45,1 fixed lever 28 of contact and form, on fix 24 plates and bottom plate 26 and 9 decided contact 25 and 3 are auxiliary decide contact 45 and to install by three phase sequences, whenever install 3 mutually and decide 25,1 of contact and assist and decide contact 45 and be clamped in successively and also use bolted between upper mounted plate 24 and the bottom plate 26; 2 limiting plates 23 are separately fixed on upper mounted plate 24 and the bottom plate 26;
Symmetric arrangement is installed 2 moving contacts 22 in every sub-folder gripping member 20, is placed with 1 spring 21 and 1 bearing pin 27 in each moving contact 22, by the effect generation contact pressure of spring 21, bearing pin 27; 6 sub-folder gripping members 20 connect in aggregates by secondary tooth bar 19 and fixed lever 24 by securing member; Every pair of moving contacts 22 in 6 sub-folder gripping members 20 are decided contact 25 coupling Elastic Contact with corresponding successively by 2 pairs of every phases.Engagement by driven gear and secondary tooth bar in the driving mechanism unit obtains power, to realize the station conversion of moving contact.
Be provided with two parallel and vertical axles in the driving mechanism unit with high pressure pressure regulation unit, residing plane, low pressure pressure regulation unit, wherein one is moving axis 5, another root is a dead axle 17, one end of moving axis 5 is being fixed driving handle 6, a coaxial driving gear 13 and the shift fork 14 fixed of the other end, wherein moving contact 31 and the neutral point pressure regulation moving contact 41 that a pinion and rack is used for driving the line end pressure regulation of high pressure pressure regulation unit formed in driving gear 13 and main tooth bar 34 engagements in the high pressure pressure regulation unit; Suit a co-axially fixed sheave 16 and a driven gear 18 on the dead axle 17, be fixed on shift fork 14 and sheave 16 couplings on the dead axle 17 on the moving axis 5 and form a Geneva mechanism and be used to drive driven gear 18 on the dead axle 17, sheave 16 is provided with an allocating slot and two locking arcs in the Geneva mechanism; Driven gear 18 on the dead axle 17 is formed the moving contact that a pinion and rack is used for driving low pressure pressure regulation unit with secondary tooth bar 19 engagements on the low pressure pressure regulation unit.
Operation principle of the present utility model such as Fig. 5, shown in Figure 6:
1, when handle 6 in the driving mechanism unit rotates to 3 stations by 1 station:
Drive driving gear 13 rotations synchronously, the main tooth bar 34 that driving gear 13 drives in the high pressure pressure regulation unit moves horizontally, thereby the three-phase line end pressure regulation moving contact 31 that drives on the moving bar 32 rotates to 3 stations by 1 station, the transformer high-voltage end-coil is that triangle connects, and can be implemented in simultaneously ± the line end pressure regulation of 5% scope.This moment, neutral point pressure regulation moving contact 41 was in the room in addition.Meanwhile, shift fork 14 is in first locking arc of sheave 16, coaxial solid on moving axis 5 because of it with driving gear 13, so rotation synchronously with it, and the finger on the shift fork 14 15 just goes to the allocating slot porch of sheave 16, this interval sheave 16 remains static, because of driven gear 18 and sheave 16 coaxial being fixedly set on the dead axle 17, so driven gear 18 also remains static, because of 19 engagements of the secondary tooth bar on driven gear 18 and the low pressure pressure regulation unit, so the moving contact on the low pressure pressure regulation unit also remains static for 22 groups.Be that moving contact 22 on this segment low pressure pressure regulation unit places station in parallel, remain static all the time.Realization becomes the transformer low voltage end-coil purpose of parallel connection method.
2, when handle 6 in the driving mechanism unit rotates to 4 stations by 3 stations:
Driving gear 13 and shift fork 14 rotations, driving gear 13 drives and makes the neutral point pressure regulation moving contact 41 in the high pressure pressure regulation unit rotate to 4 stations by the room, make the transformer high-voltage end-coil connect and be converted to Y-connection, thereby changed step-up side capacity and transformer high-voltage terminal voltage in ± 5% range regulation by triangle.Line end pressure regulation this moment moving contact 31 is in the room.Finger 15 on this while shift fork 14 is stirred sheave 16 and driven gear 18 rotations one predetermined angular, thereby the moving contact 22 that drives on the low pressure pressure regulation unit is converted to the series connection station by station in parallel, shift fork 14 enters in the second locking arc of sheave 16 simultaneously, and realization is converted to the transformer low voltage end-coil to be connected in series and reaches the purpose that changes the step-down side capacity by being connected in parallel.
3, when handle 6 in the driving mechanism unit is converted to 6 stations by 4 stations:
In the high pressure pressure regulation unit moving contact group, neutral point pressure regulation moving contact 41 is converted to 6 stations to realize the Y-connection of transformer high-voltage end-coil by 4 stations, can be implemented in simultaneously ± the neutral point pressure regulation of 5% scope; And moving contact 22 remains static on the low pressure pressure regulation unit, keeps the transformer low voltage end-coil to be connected in series.
Otherwise: when handle 6 in the driving mechanism unit is converted to 4 stations by 6 stations (similar) with 3.
When handle 6 in the driving mechanism unit rotates to 3 stations by 4 stations:
The transformer high-voltage lateral coil becomes delta connection by star connection, and it is (similar with 2 that low voltage winding in transformers becomes parallel connection by series connection.)
When handle 6 in the driving mechanism unit rotates to 1 station by 3 stations (similar) with 1.
Claims (6)
1. no excitation bar shaped capacity transfer shunting switch, form by driving mechanism unit, high pressure pressure regulation unit, low pressure pressure regulation unit, it is characterized in that: high pressure pressure regulation unit, low pressure pressure regulation unit are located in the same horizontal plane and are arranged in parallel, the driving mechanism unit is positioned at the top of high pressure pressure regulation unit, low pressure pressure regulation unit, and the last bottom plate of the left and right sides fixed head of high pressure pressure regulation unit, low pressure pressure regulation unit and the bracing frame of driving mechanism unit are fixedly connected in aggregates; And a pinion and rack is formed in the main tooth bar engagement of the driving gear of driving mechanism unit and high pressure pressure regulation unit, another pinion and rack is formed in the secondary tooth bar engagement of the driven gear of driving mechanism unit and low pressure pressure regulation unit, and the sheave of driving mechanism unit and shift fork coupling are formed a Geneva mechanism.
2. no excitation bar shaped capacity transfer shunting switch according to claim 1, it is characterized in that: described driving mechanism unit comprises dust cover, moving axis, handle, bearing, driving gear, shift fork, finger, sheave, dead axle, driven gear, ring flange, bracing frame, ring flange is welded on the bracing frame, finger is welded on the fork, moving axis inserts the flange dribbling to be had in the hole of bearing and passes by driving gear spacing from the hole, one end of moving axis is being fixed handle and dust cover, a coaxial driving gear and the shift fork fixed of the other end, dead axle one end is welded on the bracing frame, and other end suit a co-axially fixed sheave and a driven gear.
3. no excitation bar shaped capacity transfer shunting switch according to claim 2, it is characterized in that: described sheave is provided with an allocating slot and two locking arcs.
4. according to claim 2 or 3 described no excitation bar shaped capacity transfer shunting switchs, it is characterized in that: the driving mechanism unit also comprises 2 interior seal, inner washer, sealing plug, locating pin, outer nut, outer washer, outer seal, banking pin, 2 interior seal, inner washer, sealing plugs are installed in the ring flange respectively, locating pin is fixed on the handle, and outer nut, outer washer, outer seal, banking pin are installed on the ring flange.
5. no excitation bar shaped capacity transfer shunting switch according to claim 1, it is characterized in that: described high pressure pressure regulation unit is by left fixed insulation bar, 3 line end pressure regulation binding posts, 6 line end pressure regulation moving contacts, 6 springs, 6 bearing pins, moving bar, 2 supporting members, main tooth bar, right fixed insulation bar, 9 tap position binding posts, left side fixed head, 3 holders, 6 neutral point pressure regulation moving contacts, 3 little holders, 2 sheets that conflux, 3 output wiring terminals, right fixed head is formed, main tooth bar is fixed on the moving bar by 2 supporting members, left side fixed insulation bar, right fixed insulation bar, moving bar is in the same horizontal plane, and left fixed insulation bar is positioned at the parallel symmetric arrangement in both sides of moving bar with right fixed insulation bar, a left side, the two ends of right fixed insulation bar are fixed on a left side, on the right fixed head, install by three phase sequences on the right fixed insulation bar, the every layout mutually installed 3 tap position binding posts and 1 output wiring terminal, left side fixed insulation bar is installed by three phase sequences, with right fixed insulation bar three opposite positions, the every layout mutually installed 1 line end pressure regulation binding post, corresponding output wiring terminal is in twos by the conducting that links to each other of copper lead-in wire on line end pressure regulation binding post on the fixed insulation bar of a left side and the right fixed insulation bar, alternately arrange on the moving bar 3 holders and 3 little holders are installed, 3 holder one ends are fixed on the moving bar, the other end is sleeved on the right fixed insulation bar, make the parallel left side that is strapped in of bar, between the right fixed insulation bar, symmetrical mounting arrangements 2 the neutral point pressure regulation moving contact of difference and spring and bearing pin in every holder, the difference symmetric arrangement is installed moving contact and the spring and the bearing pin of 2 line end pressure regulation in every little holder, effect by spring and bearing pin produces contact pressure, 2 the moving contact connection conducting formation neutral points of sheet with 3 pairs of neutral point pressure regulation that conflux.
6. no excitation bar shaped capacity transfer shunting switch according to claim 1, it is characterized in that: described low pressure pressure regulation unit by secondary tooth bar, 6 sub-folder gripping members, 12 springs, 12 bearing pins, 12 moving contacts, 2 limiting plates, upper mounted plate, bottom plate, 9 decide that contact, 3 are auxiliaryly decided contact, fixed lever is formed, upper mounted plate and bottom plate decide with 9 that contact and 3 are auxiliary decide contact and to install by three phase sequences, whenever install 3 mutually and decide contact, 1 and assist and decide contact and be clamped in successively and also use bolted between upper mounted plate and bottom plate; 2 limiting plates are separately fixed on the upper and lower fixing plate; Symmetric arrangement is installed 2 moving contacts in every sub-folder gripping member, is placed with 1 spring and 1 bearing pin in each moving contact; 6 sub-folder gripping members connect in aggregates by secondary tooth bar and fixed lever by securing member; Every pair of moving contact in 6 sub-folder gripping members is decided contact coupling Elastic Contact with corresponding successively by 2 pairs of every phases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200934060U CN201975275U (en) | 2011-04-01 | 2011-04-01 | Non-excitation bar-shaped capacitance-regulating tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200934060U CN201975275U (en) | 2011-04-01 | 2011-04-01 | Non-excitation bar-shaped capacitance-regulating tap switch |
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| Publication Number | Publication Date |
|---|---|
| CN201975275U true CN201975275U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200934060U Expired - Lifetime CN201975275U (en) | 2011-04-01 | 2011-04-01 | Non-excitation bar-shaped capacitance-regulating tap switch |
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| CN (1) | CN201975275U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243924A (en) * | 2011-04-01 | 2011-11-16 | 武汉长虹恒通高压设备有限公司 | Off-circuit bar-type modulating capacity tap-changer |
| CN104112610A (en) * | 2014-07-30 | 2014-10-22 | 北京博瑞莱智能科技集团有限公司 | Novel capacity regulating switch structure |
| CN104124078A (en) * | 2014-07-30 | 2014-10-29 | 北京博瑞莱智能科技集团有限公司 | Double-station directly-operated switch |
| CN105957733A (en) * | 2016-07-15 | 2016-09-21 | 武汉泰普联合分接开关股份有限公司 | Fixed contact structure for non-excitation tap switch |
-
2011
- 2011-04-01 CN CN2011200934060U patent/CN201975275U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243924A (en) * | 2011-04-01 | 2011-11-16 | 武汉长虹恒通高压设备有限公司 | Off-circuit bar-type modulating capacity tap-changer |
| CN102243924B (en) * | 2011-04-01 | 2013-09-04 | 武汉长虹恒通高压设备有限公司 | Off-circuit bar-type modulating capacity tap-changer |
| CN104112610A (en) * | 2014-07-30 | 2014-10-22 | 北京博瑞莱智能科技集团有限公司 | Novel capacity regulating switch structure |
| CN104124078A (en) * | 2014-07-30 | 2014-10-29 | 北京博瑞莱智能科技集团有限公司 | Double-station directly-operated switch |
| CN104124078B (en) * | 2014-07-30 | 2016-11-02 | 北京博瑞莱智能科技集团有限公司 | A kind of double direct acting switch |
| CN105957733A (en) * | 2016-07-15 | 2016-09-21 | 武汉泰普联合分接开关股份有限公司 | Fixed contact structure for non-excitation tap switch |
| CN105957733B (en) * | 2016-07-15 | 2019-02-15 | 武汉泰普联合分接开关股份有限公司 | A kind of static contact structure of off circuit tap changer |
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