CN209962890U - On-load tap-changer capacity and voltage regulating device and on-load tap-changer - Google Patents
On-load tap-changer capacity and voltage regulating device and on-load tap-changer Download PDFInfo
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- CN209962890U CN209962890U CN201921250786.7U CN201921250786U CN209962890U CN 209962890 U CN209962890 U CN 209962890U CN 201921250786 U CN201921250786 U CN 201921250786U CN 209962890 U CN209962890 U CN 209962890U
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Abstract
The utility model provides an on-load tap-changer volume-regulating voltage regulation device and on-load tap-changer, wherein, on-load tap-changer volume-regulating voltage regulation device includes: the driving piece is movably arranged on the bracket and is in linkage connection with the gear selection mechanism; the pressure regulating action piece is movably arranged on the bracket and comprises an initial position, a gear action position which is in linkage fit with the driving piece and is used for driving the gear selection mechanism to switch gears, and a moving state which is separated from the driving piece and is used for enabling the pressure regulating action piece to move to the initial position; and the driving mechanism drives the pressure regulating action piece to switch between the initial position and the gear action position, and the driving mechanism is an electromagnetic driving mechanism and/or a pressure driving mechanism. Because the driving mechanism is an electromagnetic driving mechanism and/or a pressure driving mechanism, compared with the mode of adopting motor driving in the prior art, the driving mode adopting electromagnetism and pressure has high speed, electric arcs are not easy to generate during gear switching, and the service life of a product is prolonged.
Description
Technical Field
The utility model relates to an on-load tap-changer technical field, concretely relates to on-load tap-changer holds voltage regulating device and on-load tap-changer.
Background
The on-load tap-changer changes the turn ratio of the primary and secondary windings of the transformer by changing different taps of the tapping transformer winding under the condition of ensuring that the load current is not interrupted, thereby realizing the purpose of voltage regulation.
Chinese patent document CN109449018A discloses an on-load tap changer, which includes a motor, a linear driving system and a gear selection mechanism, wherein the linear driving system includes a transmission shaft, a gear set, a bevel gear and a lead screw, the transmission shaft is driven by the motor to rotate, the transmission shaft drives the bevel gear to rotate through the gear set, and the bevel gear is engaged with the lead screw, so as to drive the gear selection mechanism to switch between different gears. In addition, the transmission part of the linear driving system is provided with a transmission shaft, a gear set, a bevel gear and a lead screw, the transmission part is more, the transmission loss of force is large, the structure of the linear driving system is complex, the assembly process is complex, and the production cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the on-load tap-changer among the prior art and producing electric arc easily, and life is short, and linear drive system's structure is complicated, defect that manufacturing cost is high to provide a long service life, simple structure, low in production cost on-load tap-changer and transfer and hold voltage regulating device, and have this on-load tap-changer and transfer and hold voltage regulating device's on-load tap-changer.
Therefore, the utility model provides an on-load tap-changer capacity and voltage regulating device, include:
the driving piece is movably arranged on the bracket and is in linkage connection with the gear selection mechanism;
the pressure regulating action piece is movably arranged on the bracket and comprises an initial position and a gear action position which is in linkage fit with the driving piece and is used for driving the gear selection mechanism to switch gears, and the pressure regulating action piece also comprises a moving state which is separated from the driving piece and is used for enabling the pressure regulating action piece to move to the initial position;
the driving mechanism is connected with the pressure regulating action piece and drives the pressure regulating action piece to switch between the initial position and the gear action position, and the driving mechanism is an electromagnetic driving mechanism and/or a pressure driving mechanism.
As a preferable scheme, a plurality of combining parts suitable for being in linkage fit with the pressure regulating action piece are uniformly arranged on the driving piece along the length direction of the driving piece;
the pressure regulating action piece includes:
the action block is connected with the electromagnetic driving mechanism;
the pressure regulating cam is driven to rotate and installed on the action block, and when the pressure regulating action piece is in the gear action position, the pressure regulating cam is abutted to the combination part of the driving piece and drives the driving piece to move.
As a preferred scheme, the pressure regulating action member further comprises:
the first biasing part is connected with the pressure regulating cam and provides biasing force for the pressure regulating cam to move towards the direction close to the driving piece;
the first stop block is arranged on the action block and matched with the pressure regulating cam in a blocking mode, and the pressure regulating cam abuts against the pressure regulating cam to limit the pressure regulating cam to rotate when the pressure regulating cam abuts against the combining part.
Preferably, the gear positioning mechanism is used for limiting the movement of the driving piece when the driving piece moves to the set gear position.
As a preferable mode, the gear positioning mechanism includes:
the driving piece fixing plate is arranged on the bracket;
the gear positioning block is rotatably arranged on the action block and is provided with an initial position far away from the driving piece and an action position which is driven by the driving piece fixing plate to rotate to abut against the combining part, and the gear positioning block and the pressure regulating cam respectively abut against two side walls of the combining part in the action position;
and the second biasing part is connected with the action block at one end and the gear positioning block at the other end, and applies a biasing force rotating towards the initial position direction to the gear positioning block.
Preferably, the driving member is uniformly formed with a plurality of through holes along the length direction thereof, into which the pressure regulating cams extend to drive the joint portions to act, and the through holes are formed between two adjacent joint portions.
As a preferred scheme, the pressure regulating action has two, follows the moving direction interval of driving piece sets up, corresponds electromagnetic drive mechanism also has two, two the pressure regulating action drives respectively the driving piece removes towards opposite direction, and only has one when the gear switches the pressure regulating action is in the action state.
As a preferable scheme, a second stop block is arranged on the bracket, and when the pressure regulating action member is at the initial position, the second stop block drives the pressure regulating cam to overcome the acting force of the first biasing member and rotate towards the direction far away from the driving member.
As a preferable mode, the electromagnetic driving mechanism includes:
the coil framework is wound with a coil on the outer wall and provided with a hollow inner cavity;
the movable iron core is movably arranged in the inner cavity and is formed with a middle through hole;
the push rod penetrates through the middle through hole and is in linkage arrangement with the movable iron core, the push rod is connected with the pressure regulating action piece, and a push rod sleeve is fixedly sleeved outside the push rod;
and the third biasing part is sleeved on the push rod sleeve, one end of the third biasing part is abutted to the support, and the other end of the third biasing part is abutted to the separation blade arranged at the end part of the push rod sleeve, so that the pressure regulating action part provides a biasing force moving towards the direction of the initial position.
As a preferable mode, the gear selection mechanism includes:
the static contact seats are fixedly arranged on the bracket, and a plurality of groups of static contacts are uniformly arranged along the moving direction of the driving piece;
the movable contact seat is fixedly connected with the driving piece and is provided with a movable contact which is in contact with or disconnected from the fixed contacts, and the movable contact seat moves along with the driving piece so as to drive the movable contact to switch among the groups of fixed contacts.
As a preferred scheme, the moving contact base is slidably connected to the stationary contact base through a rail structure, and the rail structure includes a rail disposed on one of the moving contact base and the stationary contact base, and a slider disposed on the other and slidably connected to the rail.
The utility model provides an on-load tap-changer, include as above on-load tap-changer transfer hold voltage regulator.
The utility model discloses technical scheme has following advantage:
1. the utility model provides an on-load tap-changer volume-regulating and pressure-regulating device, because actuating mechanism is electromagnetic drive mechanism and/or pressure actuating mechanism, compare with the mode that prior art adopted the motor, adopt electromagnetism and pressure's drive mode fast, be difficult for producing electric arc when the gear switches, prolonged the life of product.
2. The utility model provides a capacity and pressure regulating device of an on-load tap-changer.A driving piece is evenly provided with a plurality of joint parts which are suitable for linkage matching with a pressure regulating action piece along the length direction; pressure regulating action spare includes: the action block is connected with the electromagnetic driving mechanism; the pressure regulating cam is driven to be rotatably arranged on the action block, and when the pressure regulating action piece is at the gear action position, the pressure regulating cam is abutted against the combination part of the driving piece and drives the driving piece to move; when the pressure regulating action piece is in a moving state, the pressure regulating cam is separated from the driving piece. One of them of pressure regulating action and driving piece like this combination portion cooperation, drive gear selection mechanism switches the gear and resets to initial position after, can continue with another the combination portion cooperation is in order to drive gear selection mechanism continues to increase or reduce the gear, and the structural design of above-mentioned driving piece and pressure regulating action is ingenious, and has simple structure's advantage.
3. The utility model provides an on-load tap-changer holds voltage regulator that transfers, the pressure regulating action still includes: the first biasing part is connected with the pressure regulating cam and provides biasing force for the pressure regulating cam to move towards the direction close to the driving part; the first stop block is arranged on the action block and matched with the pressure regulating cam in a blocking mode, and when the pressure regulating cam abuts against the combining part, the first stop block abuts against the pressure regulating cam to limit the pressure regulating cam to rotate. When the pressure regulating action piece is at the gear action position, the pressure regulating cam is driven by the first biasing piece to rotate to abut against the combining part to drive the driving piece to move; when the pressure regulating cam is in a moving state, the pressure regulating cam is in sliding contact with the driving piece bracket, the driving piece is not driven to move, and the first biasing piece and the first stop block have the advantage of simple structure.
4. The utility model provides an on-load tap-changer volume-regulating and voltage-regulating device, gear positioning mechanism includes: the driving piece fixing plate is arranged on the bracket; the gear positioning block is rotatably installed on the action block, has an initial position far away from the setting of the driving piece, and rotates to an action position offsetting with the joint part under the driving of the driving piece fixing plate, and when the action position is reached, the gear positioning block and the pressure regulating cam respectively offset with two side walls of the joint part, so that the driving piece is limited to move, the gear switching accuracy is ensured, and the gear positioning mechanism is simple in structure and low in production cost.
5. The utility model provides an on-load tap-changer transfers appearance pressure regulating device, pressure regulating action have two, set up along the moving direction interval of driving piece, and corresponding electromagnetic drive mechanism also has two, and two pressure regulating action do not drive the driving piece and remove towards opposite direction, and only have one pressure regulating action to be in the action state when the gear switches over. Because two pressure regulating action pieces can respectively with same driving piece cooperation, simple structure, low in production cost.
6. The utility model provides an on-load tap-changer transfers and holds pressure regulating device, be provided with the second dog on the support, the pressure regulating action is when initial position, the effort of first biasing part is overcome to second dog drive pressure regulating cam, keep away from the driving piece direction towards and rotate, like this when one of them pressure regulating action is cooperated with the driving piece drive, the pressure regulating cam of another one pressure regulating action separates with the driving piece under the effect of second dog, thereby can not interfere the removal of driving piece, the structure of second dog sets up simply.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of the capacity and voltage regulating device of the on-load tap-changer of the present invention;
FIG. 2 is a front view of FIG. 1 with a portion of the frame structure removed;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of the pressure regulating actuator, the driving member and the electromagnetic driving mechanism;
FIG. 5 is a perspective view of the pressure regulating actuation member;
FIG. 6 is a cross-sectional view of a pressure regulating action;
FIG. 7 is a schematic view of the pressure adjusting member moving to a position abutting against the fixed plate of the driving member;
FIG. 8 is a cross-sectional view of the electromagnetic drive mechanism;
FIG. 9 is a perspective view of the gear selection mechanism;
FIG. 10 is another perspective view of the gear selection mechanism of FIG. 9 rotated a certain angle;
FIG. 11 is a side view of the gear selection mechanism;
FIG. 12 is an exploded view of the gear selection mechanism;
fig. 13 is a schematic structural view of the movable contact block.
Description of reference numerals: 1. a support; 11. a driving member fixing plate; 12. a second stopper; 2. a drive member; 21. a bonding section; 22. a through hole; 3. a pressure regulating action; 31. an action block; 32. a pressure regulating cam; 33. a first biasing member; 34. a first stopper; 35. a gear positioning block; 36. a second biasing member; 4. a coil bobbin; 41. a movable iron core; 42. a push rod; 43. a third biasing member; 44. a push rod sleeve; 5. a stationary contact base; 51. static contact; 52. a guide rail; 6. a movable contact seat; 61. a moving contact; 62. a slide block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Examples
The embodiment provides an on-load tap-changer, which includes an on-load tap-changer capacity and voltage regulation device, as shown in fig. 1 to 8, the on-load tap-changer capacity and voltage regulation device includes a driving member 2, a voltage regulation action member 3, a driving mechanism and a gear selection mechanism.
The driving member 2 is movably mounted on the bracket 1 through a slide rail structure (not shown in the figure) and is linked with the gear selection mechanism, as shown in fig. 4, the driving member 2 is uniformly provided with a plurality of joint portions 21 along the length direction thereof, the joint portions are suitable for being linked with the pressure regulating operating member 3, and a through hole 22 is formed between every two adjacent joint portions 21.
And the action block 31 is connected with the electromagnetic driving mechanism, and is movably arranged on the bracket 1 through a slide rail structure (not shown in the figure). And a pressure regulating cam 32 which is rotatably driven by the operating block 31, wherein when the pressure regulating operating member 3 is at the shift operating position, the pressure regulating cam 32 abuts against the engaging portion 21 of the driving member 2 and drives the driving member 2 to move. A first biasing member 33 connected to the pressure regulating cam 32 to provide a biasing force for the pressure regulating cam 32 to move in a direction approaching the driving member 2; and a first stopper 34 provided on the operating block 31 and engaged with the pressure regulating cam 32 in a blocking manner, wherein when the pressure regulating cam 32 abuts against the engaging portion 21, the first stopper 34 abuts against the pressure regulating cam 32 to restrict the rotation of the pressure regulating cam 32. The support 1 is provided with a second stop block 12, the pressure regulating action member 3 is arranged at the initial position, the second stop block 12 drives the pressure regulating cam 32 to overcome the acting force of the first biasing member 33 and rotate towards the direction far away from the driving member 2.
The gear positioning mechanism comprises: the driving piece fixing plate 11 is arranged on the bracket 1; a shift positioning block 35 rotatably mounted on the operating block 31, and having an initial position disposed away from the driver 2 and an operating position rotated to abut against the coupling portion 21 by driving of the driver fixing plate 11, wherein the shift positioning block 35 and the pressure regulating cam 32 abut against both side walls of the coupling portion 21, respectively; a second biasing member 36 having one end connected to the operating block 31 and the other end connected to the shift position positioning block 35, and applying a biasing force to the shift position positioning block 35 to rotate in the initial position direction.
Actuating mechanism, with pressure regulating action 3 is connected, the drive pressure regulating action 3 is in initial position with switch between the gear action position, actuating mechanism is electromagnetic drive mechanism.
As shown in fig. 8, the electromagnetic drive mechanism includes: the coil framework 4 is wound with a coil on the outer wall, and the coil framework 4 is provided with a hollow inner cavity; the movable iron core 41 is movably arranged in the inner cavity, and a middle through hole is formed in the movable iron core 41; the push rod 42 penetrates through the middle through hole and is in linkage arrangement with the movable iron core 41, the push rod 42 is connected with the pressure regulating action piece 3, and a push rod sleeve 44 is fixedly sleeved outside the push rod 42; and the third biasing part 43 is sleeved on the push rod sleeve 44, one end of the third biasing part is abutted to the support 1, and the other end of the third biasing part is abutted to a blocking sheet arranged at the end part of the push rod sleeve 44, so that the pressure regulating action part 3 provides a biasing force moving towards the direction of the initial position.
As shown in fig. 10-13, the gear selection mechanism includes: the static contact seats 5 are fixedly arranged on the bracket 1, and a plurality of groups of static contacts 51 are uniformly arranged along the moving direction of the driving piece 2; and the movable contact seat 6 is fixedly connected with the driving part 2 and is provided with a movable contact 61 which is in contact with or disconnected from the fixed contacts 51, and the movable contact seat 6 moves along with the driving part 2 so as to drive the movable contact 61 to switch among a plurality of groups of fixed contacts 51. The movable contact base 6 is connected with the fixed contact base 5 in a sliding manner through a guide rail structure, and the slide rail structure comprises a guide rail 52 arranged on one of the movable contact base 6 and the fixed contact base 5, and a slide block 62 arranged on the other side and connected with the guide rail 52 in a sliding manner.
In the present embodiment, the first biasing member 33, the second biasing member 36, and the third biasing member 43 are all springs.
The utility model provides an on-load tap-changer volume-regulating and pressure-regulating device, because actuating mechanism is electromagnetic drive mechanism and/or pressure actuating mechanism, compare with the mode that prior art adopted the motor, adopt electromagnetism and pressure's drive mode fast, be difficult for producing electric arc when the gear switches, prolonged the life of product.
The utility model discloses an on-load tap-changer capacitance-regulating voltage regulator's theory of operation as follows (use figure 3 to be located left pressure regulating action 3 as the explanation):
the pressure regulating operation member 3 moves from the initial position to the shift position operation position:
when the pressure regulating action member 3 is at the initial position, the pressure regulating cam is separated from the driving member under the blocking of the second stop block 12, at this time, the coil of the electromagnetic trip mechanism is electrified, the coil generates electromagnetic force to drive the movable iron core 41 to move rightwards against the acting force of the third biasing member 43, so as to drive the pressure regulating action member 3 to move rightwards, the third biasing member 43 stores energy, the pressure regulating cam 32 is separated from the second stop block 12 when moving along with the pressure regulating action member 3, after the pressure regulating cam 32 rotates clockwise under the action of the first biasing member 33 and extends into the through hole of the driving member 2, one side of the pressure regulating cam abuts against the left side wall of the combining part 21, the other side of the pressure regulating cam abuts against the first stop block 34, so as to drive the driving member 2 to move rightwards, so as to drive the gear selection mechanism to switch gears, when the pressure regulating action member 3 moves to the set gear position shown in fig. 7, the gear, thereby limiting the position of the driver 2.
The pressure regulating action member 3 is reset from the gear action position to the initial position:
when the pressure regulating operation member 3 moves to the shift position operation position, the coil of the electromagnetic trip mechanism is powered off, the third biasing member 43 releases energy to drive the pressure regulating operation member 3 to move leftward, the pressure regulating cam 32 is in sliding contact with the joint part 21 of the driving member 2 when moving leftward, when the pressure regulating operation member 3 is reset to the initial position, the pressure regulating cam is separated from the driving member under the blocking of the second stopper 12, and in the process, the shift position positioning block 35 rotates counterclockwise under the driving of the second biasing member 36 and is separated from the driving member 2.
The pressure regulating action piece 3 moves from the initial position to the gear action position, and then resets from the gear action position to the initial position, and after the working process is completed, the pressure regulating action piece 3 drives the gear selection mechanism to increase or decrease one gear. It should be noted that the operation process of the pressure regulating operation member 3 on the right side in fig. 3 is the same as that of the pressure regulating operation member 3 on the left side, and it is assumed that the pressure regulating operation member 3 on the left side is used for driving the gear selection mechanism to increase the gear, and the pressure regulating operation member 3 on the right side is used for driving the gear selection mechanism to decrease the gear.
Of course, the utility model discloses the application does not do specific restriction to actuating mechanism's structure, and in other embodiments, actuating mechanism still can be for hydraulic drive mechanism or pneumatic drive mechanism, and it is the mature technology of current that hydraulic pressure or pneumatic drive mechanism need to explain, so do not do the detailed description to its inner structure and theory of operation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (12)
1. The utility model provides an on-load tap-changer adjustable capacity voltage regulator which characterized in that: the method comprises the following steps:
the driving piece (2) is movably arranged on the bracket (1) and is in linkage connection with the gear selection mechanism;
the pressure regulating action piece (3) is movably arranged on the bracket (1) and comprises an initial position and a gear action position which is in linkage fit with the driving piece (2) to drive the gear selection mechanism to switch gears, and the pressure regulating action piece (3) also comprises a moving state which is separated from the driving piece (2) to enable the pressure regulating action piece (3) to move to the initial position;
actuating mechanism, with pressure regulating action (3) are connected, and the drive pressure regulating action (3) are in initial position with switch between the gear action position, actuating mechanism is electromagnetic drive mechanism and/or pressure actuating mechanism.
2. The on-load tap-changer capacity and voltage regulating device according to claim 1, characterized in that: the driving piece (2) is uniformly provided with a plurality of combining parts (21) which are suitable for being in linkage fit with the pressure regulating action piece (3) along the length direction of the driving piece;
the pressure regulating action (3) comprises:
an action block (31) connected to the drive mechanism;
and the pressure regulating cam (32) is rotationally mounted on the action block (31) in a driven manner, and when the pressure regulating action piece (3) is in the gear action position, the pressure regulating cam (32) is abutted against the combining part (21) of the driving piece (2) and drives the driving piece (2) to move.
3. The on-load tap-changer capacity and voltage regulating device according to claim 2, characterized in that: pressure regulating action piece (3) still include:
a first biasing member (33) connected to the pressure regulating cam (32) and providing the pressure regulating cam (32) with a biasing force moving in a direction approaching the driving member (2);
the first stop block (34) is arranged on the action block (31) and matched with the pressure regulating cam (32) in a blocking mode, and when the pressure regulating cam (32) abuts against the combining part (21), the first stop block (34) abuts against the pressure regulating cam (32) to limit the rotation of the pressure regulating cam (32).
4. The on-load tap-changer capacity and voltage regulating device according to claim 3, characterized in that: the gear positioning mechanism is used for limiting the driving piece (2) to move when the driving piece (2) moves to a set gear position.
5. The on-load tap-changer capacity and voltage regulating device according to claim 4, characterized in that: the gear positioning mechanism comprises:
the driving piece fixing plate (11) is arranged on the bracket (1);
the gear positioning block (35) is rotatably arranged on the action block (31) and is provided with an initial position far away from the driving piece (2) and an action position which is driven by the driving piece fixing plate (11) to rotate to abut against the combining part (21), and the gear positioning block (35) and the pressure regulating cam (32) respectively abut against two side walls of the combining part (21) at the action position;
and a second biasing member (36) having one end connected to the operating block (31) and the other end connected to the shift position positioning block (35) and applying a biasing force to the shift position positioning block (35) to rotate in the direction of the initial position.
6. The on-load tap-changer capacity and voltage regulating device according to claim 2, characterized in that: the driving piece (2) is evenly formed with a plurality of supplies along its length direction the pressure regulating cam (32) stretch into, in order to drive through-hole (22) that joint portion (21) moved, through-hole (22) set up adjacent two between the joint portion (21).
7. The on-load tap-changer capacity and voltage regulating device according to claim 5, characterized in that: pressure regulating action (3) have two, follow the moving direction interval of driving piece (2) sets up, corresponds actuating mechanism also has two, two pressure regulating action (3) drive respectively driving piece (2) move towards opposite direction, and only one when the gear switches pressure regulating action (3) are in the action state.
8. The on-load tap-changer capacity and voltage regulating device according to claim 7, characterized in that: be provided with second dog (12) on support (1), pressure regulating action (3) are in during initial position, second dog (12) drive pressure regulating cam (32) overcome the effort of first biasing piece (33), keep away from driving piece (2) direction rotates.
9. The on-load tap-changer capacity and voltage regulating device according to claim 8, characterized in that: the electromagnetic drive mechanism includes:
the coil framework (4) is wound with a coil on the outer wall, and the coil framework (4) is provided with a hollow inner cavity;
the movable iron core (41) is movably arranged in the inner cavity, and a middle through hole is formed in the movable iron core (41);
the push rod (42) penetrates through the middle through hole and is in linkage arrangement with the movable iron core (41), the push rod (42) is connected with the pressure regulating action piece (3), and a push rod sleeve (44) is fixedly sleeved outside the push rod (42);
and the third biasing part (43) is sleeved on the push rod sleeve (44), one end of the third biasing part is abutted to the support (1), the other end of the third biasing part is abutted to the separation blade at the end part of the push rod sleeve (44), and the pressure regulating action part (3) provides a biasing force towards the direction of the initial position.
10. The on-load tap-changer capacity and voltage regulating device according to claim 9, characterized in that: the gear selection mechanism includes:
the static contact seats (5) are fixedly arranged on the bracket (1), and a plurality of groups of static contacts (51) are uniformly arranged along the moving direction of the driving part (2);
the movable contact seat (6) is fixedly connected with the driving piece (2) and is provided with a movable contact (61) which is in contact with or disconnected from the static contacts (51), and the movable contact seat (6) moves along with the driving piece (2) so as to drive the movable contact (61) to switch among the multiple groups of static contacts (51).
11. The on-load tap-changer capacity and voltage regulating device according to claim 10, characterized in that: the movable contact seat (6) is connected with the fixed contact seat (5) in a sliding mode through a guide rail structure, and the guide rail structure comprises a guide rail (52) arranged on one side of the movable contact seat (6) and the fixed contact seat (5) and a sliding block (62) arranged on the other side of the movable contact seat and connected with the guide rail (52) in a sliding mode.
12. An on-load tap changer, characterized in that: comprising an on-load tap changer capacity and voltage regulating arrangement according to any of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921250786.7U CN209962890U (en) | 2019-08-02 | 2019-08-02 | On-load tap-changer capacity and voltage regulating device and on-load tap-changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921250786.7U CN209962890U (en) | 2019-08-02 | 2019-08-02 | On-load tap-changer capacity and voltage regulating device and on-load tap-changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209962890U true CN209962890U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921250786.7U Expired - Fee Related CN209962890U (en) | 2019-08-02 | 2019-08-02 | On-load tap-changer capacity and voltage regulating device and on-load tap-changer |
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| Country | Link |
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| CN (1) | CN209962890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349777A (en) * | 2019-08-02 | 2019-10-18 | 浙江雷纽电气科技有限公司 | A kind of load ratio bridging switch capacity and pressure regulating device and load ratio bridging switch |
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2019
- 2019-08-02 CN CN201921250786.7U patent/CN209962890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349777A (en) * | 2019-08-02 | 2019-10-18 | 浙江雷纽电气科技有限公司 | A kind of load ratio bridging switch capacity and pressure regulating device and load ratio bridging switch |
| CN110349777B (en) * | 2019-08-02 | 2024-07-02 | 浙江博拉图科技有限公司 | On-load tap-changer capacity and voltage regulating device and on-load tap-changer |
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