CN217641024U - 36-system-coding multi-gear progressive signal device of tapping switch electric mechanism - Google Patents
36-system-coding multi-gear progressive signal device of tapping switch electric mechanism Download PDFInfo
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- CN217641024U CN217641024U CN202221943502.4U CN202221943502U CN217641024U CN 217641024 U CN217641024 U CN 217641024U CN 202221943502 U CN202221943502 U CN 202221943502U CN 217641024 U CN217641024 U CN 217641024U
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Abstract
The utility model provides a 36-system coding multi-gear progressive signal device of a tap switch electric mechanism, which comprises an upper supporting plate, a lower supporting plate, a grooved pulley, a moving contact insulating supporting piece, a static contact insulating supporting piece, a groove shifting piece, a moving contact group and a static contact group; the groove poking piece is in transmission connection with a gear speed reducing mechanism of the tapping switch electric mechanism and can poke the grooved wheel to rotate so as to drive the moving contact insulating support piece to rotate; after the groove shifting piece rotates to be matched with the grooved wheel, when the groove shifting piece rotates by 7 degrees, the groove shifting piece shifts the grooved wheel to rotate by 32 degrees to be matched with the static contact group 6 for application, so that the movable contact slides from the static contact position 1 to the static contact position 2, and the function of 36-in-1 is realized. The utility model discloses simple, the with low costs of manufacturing, the signal that upgrades that provides is stable, can eliminate electric mechanism's gear drive reverse clearance error at different levels, provides reliable many gears (36 shelves-108 shelves) mechanical signal contact for tapping switch electric mechanism.
Description
Technical Field
The utility model belongs to transformer tapping switch accessory field, concretely relates to 36 system code multi-gear of tapping switch electric mechanism upgrade signal device.
Background
Currently, tap changer electric mechanism gear position signals are divided into conventional gear (1-36) position signals and multi-gear (36-108) position signals. The position signals of the conventional gears (1-36 gears) adopt mechanical signals, the mechanical signal sources generally adopt circumferential distribution contacts, each gear angle is 360 degrees/36 =10 degrees, and the range of each gear rotation angle is relatively wide.
The multi-gear (36-108) position signal is generally a mechanical signal or an electronic rotary encoder signal. The position mechanical signals generally adopt circumferentially distributed contacts, each gear angle is 360 degrees/108 =3 degrees 20', each gear rotating angle range is relatively narrow, in order to reduce the manufacturing cost, all stages of gear transmission of the tap switch electric mechanism can not be made into precise transmission, and further the transmission reverse error is large, so that each gear rotating angle is less than 3 degrees 20', and therefore mechanism faults occur due to the fact that the gear signals are not in place, and the performance of the tap switch electric mechanism is unstable and reliable; the electronic rotary encoder signal is not a real mechanical contact signal, is a photoelectric signal converted into a hard contact signal, has high production and manufacturing cost and poor stability under the influence of environment.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a 36 system code multi-gear of tapping switch electric mechanism upgrades signal device, this 36 system code multi-gear upgrades signal device can eliminate electric mechanism's gear drive error at different levels, provides reliable multi-gear (36 grades-108 grades) mechanical signal contact for the tapping switch electric mechanism, thoroughly solves the unstable reliable, with high costs problem of performance that many gears (36 grades-108 grades) tapping switch electric mechanism machine faced.
The utility model aims at realizing through the following technical scheme:
a36-system coding multi-gear progressive signal device of a tap changer electric mechanism is used for providing multi-gear mechanical signal contacts under the driving of a gear reduction mechanism of the tap changer electric mechanism, and comprises: the device comprises two lower supporting plates, a grooved wheel, a moving contact insulating supporting piece, a static contact insulating supporting piece, a groove poking piece, a moving contact head group and a static contact head group, wherein the two lower supporting plates are vertically arranged with the upper supporting plate, the grooved wheel is rotatably installed between the upper supporting plate and the lower supporting plate, the moving contact insulating supporting piece is fixed on the grooved wheel and can rotate between the upper supporting plate and the lower supporting plate under the driving of the grooved wheel, the static contact insulating supporting piece is fixed on the lower supporting plate and is positioned at one side of the grooved wheel, the groove poking piece is rotatably installed between the upper supporting plate and the lower supporting plate and is positioned at the other side of the grooved wheel, the moving contact head group is arranged on the moving contact insulating supporting piece and can rotate along with the moving contact insulating supporting piece, and the static contact head group is arranged on the static contact insulating supporting piece and is positioned below the moving contact head group; the groove poking piece is in transmission connection with a gear speed reducing mechanism of the tapping switch electric mechanism and can poke the grooved wheel to rotate so as to drive the moving contact insulating support piece to rotate; the movable contact group comprises a first movable contact and a second movable contact which are vertically arranged, one ends of the first movable contact and the second movable contact are communicated through a conducting wire, and the other ends of the first movable contact and the second movable contact are respectively contacted with the fixed contact insulating supporting piece and slide along the upper surface of the fixed contact insulating supporting piece along with the rotation of the movable contact insulating supporting piece; the static contact group comprises a first static contact, a second static contact, a third static contact and a fourth static contact which are not in contact with each other; the installation positions of the first fixed contact, the second fixed contact and the third fixed contact are superposed with the sliding path of the first moving contact on the fixed contact insulating support, and the first fixed contact, the second fixed contact and the third fixed contact can be alternately contacted with the first moving contact; the installation position of the fourth fixed contact is superposed with the sliding path of the second moving contact on the fixed contact insulating support, and the fourth fixed contact is always kept in contact with the second moving contact. After the groove shifting member rotates to be matched with the grooved wheel, when the groove shifting member rotates by 7 degrees, the groove shifting member shifts the grooved wheel to rotate by 30-40 degrees (preferably 32 degrees), and the first movable contact is driven to slide from the first fixed contact to the second fixed contact or from the second fixed contact to the first fixed contact, or the first movable contact is driven to slide from the second fixed contact to the third fixed contact or from the third fixed contact to the second fixed contact.
Furthermore, the first fixed contact, the second fixed contact, the third fixed contact and the fourth fixed contact are all arc-shaped structures and are all made of conductive copper sheets along with the grooves preset on the fixed contact insulating support member.
Further, the radii of the first fixed contact, the second fixed contact and the third fixed contact are the same, wherein the lengths of the first fixed contact and the third fixed contact are the same, and the length of the second fixed contact is the sum of the lengths of the first fixed contact and the third fixed contact.
Furthermore, the groove poking piece comprises a driving wheel, the driving wheel is rotatably arranged between the upper supporting plate and the lower supporting plate, and the driving wheel is in transmission connection with a gear reduction mechanism of the tapping switch electric mechanism; a rotating arm is fixedly arranged on the periphery of the driving wheel; a rolling shaft is fixed on the front side of the rotating arm; the driving wheel is driven by a gear speed reducing mechanism of the tapping switch electric mechanism to rotate and drive the rotating arm to rotate, and after the roller on the rotating arm is matched with the grooved wheel, the roller can stir the grooved wheel to rotate once when the rotating arm continues to rotate.
Furthermore, the moving contact group is arranged on the moving contact insulating supporting piece through an insulating piece.
Furthermore, the first moving contact and the second moving contact both adopt a floating contact structure, two mounting holes which are thin at the top and thick at the bottom are vertically arranged on the insulating part, springs which are respectively sleeved outside the first moving contact and the second moving contact are arranged in one thick end of each mounting hole, the diameters of the first moving contact and the second moving contact which are positioned on the lower side of the springs are larger than those of the springs, the first moving contact and the second moving contact can vertically float in the mounting holes, and the first moving contact and the second moving contact are tightly attached to an insulating supporting part of a static contact under the action of spring force.
Furthermore, lock circles are arranged on the periphery of the driving wheel and one side, facing the driving wheel, of the moving contact insulating support member, wherein the lock circles on the moving contact insulating support member are multiple and are respectively matched with the lock circles on the periphery of the driving wheel; in the process that the groove poking piece rotates and the grooved wheel is not poked, the locking circle on the periphery of the driving wheel and the locking circle on the periphery of the moving contact insulation supporting piece interact to force the grooved wheel to be incapable of rotating.
The utility model discloses simple, the with low costs of manufacturing, the signal that upgrades that provides is stable, for the many specifications model integration of tapping switch electric mechanism provides a solution, can eliminate electric mechanism's gear drive reverse clearance error at different levels, provides reliable many gears (36 shelves-108 shelves) mechanical signal contact for tapping switch electric mechanism.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a top view of 36 system code multi-gear progressive signal device after removing upper supporting plate
Fig. 2 is a cross-sectional view of the 36-system coded multi-gear progressive signal device of the present invention;
fig. 3 is a schematic structural diagram of the moving contact group according to the present invention;
FIG. 4 is a front view of the insulating support member of the static contact and the static contact set of the present invention
Fig. 5 is a schematic structural view of the sheave and the groove-poking member according to the present invention;
shown in the figure: 1-upper supporting plate, 2-lower supporting plate, 3-groove-poking member, 4-grooved wheel, 5-static contact insulating supporting member, 6-static contact group, 7-moving contact group and 8-moving contact insulating supporting member.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein. The embodiments described are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1-5, the utility model discloses a 36 system code multi-gear of tapping switch electric mechanism upgrades signal device for gear reduction mechanism at tapping switch electric mechanism drives down and provides multi-gear mechanical signal contact, and the device includes backup pad 1, bottom suspension fagging 2, sheave 4, the insulating support piece of moving contact 8, the insulating support piece of static contact 5, group groove spare 3, moving contact group 7, static contact group 6.
As shown in fig. 2, the upper supporting plate 1 and the lower supporting plate 2 are two insulating plates arranged up and down, and are used as a supporting carrier, and the upper supporting plate 1 and the lower supporting plate 2 are supported and connected by a plurality of bolts, so as to form an installation space therebetween. The upper part of the upper supporting plate 1 is arranged at a corresponding position which is fixed to the electric mechanism of the tap changer through bolt connection.
As shown in fig. 2, the sheave 4 is rotatably mounted between the upper support plate 1 and the lower support plate 2 (via a central axle) for driving the movable contact insulating support 8 and the movable contact group 7 thereon to rotate.
As shown in fig. 2, the moving contact insulating support 8 is fixed on the sheave 4 (the two are integrally disposed) and can rotate between the upper support plate 1 and the lower support plate 2 under the driving of the sheave 4, and the moving contact insulating support 8 is an insulating plate disposed between the upper support plate 1 and the lower support plate 2.
As shown in fig. 2, the fixed contact insulating support 5 is an insulating plate fixed on the lower support plate 2 and located at one side (left side) of the sheave 4.
As shown in fig. 1, 2 and 5, the groove poking piece 3 is rotatably installed between the upper support plate 1 and the lower support plate 2 and is positioned at the other side (right side) of the sheave 4; the groove poking piece 3 is in transmission connection with a gear reduction mechanism of the tapping switch electric mechanism and can poke the grooved pulley 4 to rotate so as to drive the moving contact insulation supporting piece 8 to rotate.
As shown in fig. 5, the groove-pulling member 3 comprises a driving wheel 304, the driving wheel 304 is rotatably mounted between the upper support plate 1 and the lower support plate 2 (through a wheel shaft in the middle of the driving wheel 304), and the driving wheel 304 is connected with the output shaft end of the gear reduction mechanism of the tap-changer electric mechanism through a flat groove 303 on the top of the wheel shaft; a rotating arm 305 is fixed on the periphery of the driving wheel 304; a roller 302 is vertically fixed on the front side of the rotating arm 305 (the roller 302 corresponds to the sheave 4 and can be matched with a radial groove 401 on the sheave 4 after rotating a circle with the driving wheel 304); the driving wheel 304 is driven by the gear reduction mechanism of the electric mechanism of the tap changer to rotate and drive the rotating arm 305 to rotate, and after the roller 302 on the rotating arm 305 is matched (contacted) with the sheave 4, the rotating arm 305 continues to rotate, and the roller 302 can stir the sheave 4 to rotate once (theoretically, 60 degrees).
As shown in fig. 1-3, the moving contact group 7 is disposed on the moving contact insulating support 8 and can rotate along with the moving contact insulating support 8; the movable contact group 7 comprises a first movable contact and a second movable contact which are vertically arranged, one ends of the first movable contact and the second movable contact are communicated through a conducting wire, and the other ends of the first movable contact and the second movable contact are respectively contacted with the fixed contact insulating supporting piece 5 and slide along the upper surface of the fixed contact insulating supporting piece 5 along with the rotation of the movable contact insulating supporting piece 8 (the movement path is arc-shaped). The movable contact group 7 is installed on the insulating support 8 of the movable contact through the insulating part 703, the first movable contact and the second movable contact both adopt a floating contact structure, two mounting holes which are thin in the upper part and thick in the lower part are vertically arranged on the insulating part 703, a spring 702 which is respectively sleeved outside the first movable contact and the second movable contact is arranged in one end with the thick mounting hole, the diameter of the lower side part of the spring 702 of the first movable contact and the second movable contact is larger than that of the spring 702 (the lower end of the first movable contact and the lower end of the second movable contact are pressed, the first movable contact and the second movable contact can be retracted into the mounting hole), the first movable contact and the second movable contact can vertically float in the mounting hole, and the insulating support 5 of the fixed contact is tightly attached under the action of the spring 702.
As shown in fig. 2 and 4, the fixed contact group 6 is disposed on the fixed contact insulating support 5 and below the movable contact group 7; the fixed contact group 6 comprises a first fixed contact 601, a second fixed contact 602, a third fixed contact 603 and a fourth fixed contact 604 (serving as a common contact) which are not in contact with each other, the four fixed contacts are arc-shaped strip-shaped conductive copper sheets and are all installed in a groove preset on the fixed contact insulating support 5, the first fixed contact 601, the second fixed contact 602 and the third fixed contact 603 have the same radius (all located on the same ring), and the radius of the fourth fixed contact 604 is smaller than that of the other three fixed contacts; in addition, the length of the first fixed contact 601 is the same as that of the third fixed contact 603, and the length of the second fixed contact 602 is the sum of the lengths of the first fixed contact 601 and the third fixed contact 603. The first fixed contact 601, the second fixed contact 602, the third fixed contact 603, and the fourth fixed contact 604 are electrically connected to a controller of the tap changer electric mechanism through a conducting wire, respectively.
The installation positions of the first fixed contact 601, the second fixed contact 602 and the third fixed contact 603 are overlapped with the sliding path of the first moving contact on the fixed contact insulating support 5, and the first moving contact, the second moving contact and the third moving contact can be alternately contacted with the first moving contact; the installation position of the fourth fixed contact 604 coincides with the sliding path of the second movable contact on the fixed contact insulating support 5, and the fourth fixed contact 604 is always in contact with the second movable contact (during the sliding process).
After the slot shifting member 3 rotates to be matched (contacted) with the grooved pulley 4, when the slot shifting member 3 (continuously) rotates by 7 degrees, the slot shifting member 3 shifts the grooved pulley 4 to rotate by 32 degrees, so as to drive the first movable contact to slide from the first fixed contact 601 to the second fixed contact 602 or from the second fixed contact 602 to the first fixed contact 601, or drive the first movable contact to slide from the second fixed contact 602 to the third fixed contact 603 or from the third fixed contact 603 to the second fixed contact 602, so that the movable contact group 7 and the fixed contact group 6 (any one of the first fixed contact 601, the second fixed contact 602 and the third fixed contact 603 is communicated with the fourth fixed contact 604 through the movable contact group 7) form a loop, and a progressive signal is transmitted to the controller of the tap switch electric mechanism.
Locking circles 301 (convex surfaces) and locking circles 801 (concave surfaces) are arranged on the periphery of the driving wheel 304 and one side, facing the driving wheel, of the movable contact insulating support 8, wherein the number of the locking circles 801 on the movable contact insulating support 8 is three (arc transition between two adjacent locking circles 801) and the locking circles 301 on the periphery of the driving wheel 304 are respectively matched with the locking circles 801 on the periphery of the driving wheel 304; during the process that the groove poking member 3 rotates and the sheave 4 is not poked, the locking circle 301 on the periphery of the driving wheel 304 interacts with the locking circle 801 on the outside of the movable contact insulating support member 6 to force the sheave 4 not to rotate.
The working principle is as follows:
36 many gears of system code upgrade signal device's carry process as follows:
the theoretical upper position process: when the output shaft of the gear reduction mechanism of the tap changer electric mechanism has an angle of 10 degrees of rotation of 36 times (rotates 360 degrees and rotates 10 degrees each time, corresponding to the switching of a conventional gear), in the middle 7-degree rotation process of the last 10-degree angle of rotation of each cycle (rotates 360 degrees) of the electric mechanism gear reduction mechanism, the groove shifting piece 3 drives the grooved pulley 4 to rotate 60 degrees, the grooved pulley 4 drives the movable contact group 7 arranged on the grooved pulley to rotate 60 degrees, the movable contact group 7 slides on the fixed contact group 6, and the movable contact group 7 slides from the position '1' (corresponding to the first fixed contact 601) of the fixed contact group 6 to the position '2' (corresponding to the second fixed contact 602) of the fixed contact group 6, so that 36-in 1 is realized.
Actually, the process of positioning: the electric mechanism is to ascend and descend, so that the electric mechanism gear reduction mechanism is bound to rotate forwards or reversely, the gear clearance of the electric mechanism gear reduction mechanism leads the output angle of 10 degrees to be possibly only 5 degrees to 7 degrees after reversing, therefore, when the grooved wheel is matched with the groove shifting piece, the grooved wheel can be shifted by 60 degrees theoretically by only rotating the groove shifting piece by 7 degrees, if the angle of the 10 degrees after reversing is 7 degrees, the movable contact group 7 can be just driven to rotate by 60 degrees to realize the function; however, the reverse rotation angle of the 10-degree rotation angle is less than 7 degrees in many cases, so that the static contact is set to be an arc-shaped (and has a certain arc length) static contact, and the moving contact can reach the next static contact without rotating 60 degrees. Through the cooperation of the grooved pulley 4 and the groove shifting piece 3, the grooved pulley 4 can be shifted by 60 degrees theoretically by rotating the groove shifting piece 3 by 7 degrees and can be matched with the static contact group 6 for application, so that the function that the movable contact slides from the static contact position 1 to the static contact position 2 to realize 36-in-1 can be ensured when the reverse error of the gear gap of the gear speed reducing mechanism is large.
The utility model provides a 36 system code multi-gear of tap changer electric mechanism upgrades signalling device passes through last backup pad 1 and bolted connection fixes to tap changer electric mechanism's relevant position, and the epaxial flat groove 303 of drive wheel 304 is connected with gear reduction mechanism output shaft end, and every gear of gear reduction mechanism output shaft is rotatory 10 °, reverse rotation output angle only 5 ° -7.
In the process of switching from 1 gear to 36 gears, the groove shifting piece 3 rotates along with an output shaft of the gear reduction mechanism through the flat groove 303, one gear is arranged at every 10 degrees and rotates 350 degrees in total, in the process, the locking circle 301 of the driving wheel 304 and the locking circle 801 of the movable contact insulating support piece 8 interact to force the grooved wheel 4 not to rotate, and the movable contact group 7 and the static contact group 6 are ensured to be relatively static, so that the contact reliability of the movable contact group is ensured;
during the switching process from the 36-gear to the 37-gear, the rotation angle of the groove poking member 3 can only be 5-7 degrees actually, and the roller 302 arranged on the groove poking member 3 pokes the radial grooves 401 (four in number) arranged on the grooved pulley 4, so that the rotation angle of the grooved pulley 4 is less than only 30 degrees. In order to ensure that the movable contact group 7 (first movable contact) slides from the first fixed contact 601 position to the second fixed contact 602 position in the switching process from the 36-gear to the 37-gear, when the groove shifting member 3 is matched with the sheave 4, the controller is set such that the sheave 4 can be shifted and rotated by 60 degrees only by rotating the groove shifting member 3 by 7 degrees, the groove shifting member 3 rotates by less than 7 degrees and the sheave 4 can rotate by about 40 degrees due to reverse transmission errors of the gear reduction mechanism, and for the purpose, the fixed contact group 6 is set into a circular arc with a certain arc length, so that the sheave 4 can slide the movable contact group 7 (first movable contact) from the first fixed contact 601 position to the second fixed contact 602 position only by rotating by 32 degrees (the second movable contact always contacts with the arc-shaped fourth fixed contact 604 and slides along the fourth fixed contact 604), after the two conditions are superposed, the sheave 4 has a margin of 8 degrees of rotation angle, thereby ensuring that the movable contact group 7 (first movable contact) can reliably slide from the first fixed contact 601 position to the second fixed contact 602 position in the switching process from the 36-gear to the 37-gear, and realizing reliable carry of the fixed contact 602 position, and realizing reliable carry of the movable contact 1.
The 36-gear to 72-gear shifting process is the same as the 1-gear to 36-gear shifting process, the 72-gear to 73-gear shifting process is the same as the 36-gear to 37-gear shifting process, and the 73-gear to 108-gear shifting process is the same as the 1-gear to 36-gear shifting process.
And (3) reversing: the shifting process from the gear 108 from the gear 73 is the same as the shifting process from the gear 1 to the gear 36, the shifting process from the gear 73 to the gear 72 is the same as the shifting process from the gear 36 to the gear 37, the shifting process from the gear 72 to the gear 37 is the same as the shifting process from the gear 1 to the gear 36, the shifting process from the gear 37 to the gear 36 is the same as the shifting process from the gear 36 to the gear 37, and the shifting process from the gear 36 from the gear 1 is the same as the shifting process from the gear 1 to the gear 36.
Other parts of the utility model which are not detailed are the conventional technologies known by the technicians in the field.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications made by the technical entity to the above embodiments are equivalent to the replacement, the improvement, etc. and all fall into the protection scope of the present invention.
Claims (8)
1. A36-system coding multi-gear progressive signal device of a tap changer electric mechanism is used for providing multi-gear mechanical signal contacts under the driving of a gear reduction mechanism of the tap changer electric mechanism, and comprises:
two lower supporting plates of the upper supporting plate are arranged up and down;
a sheave rotatably installed between the upper support plate and the lower support plate;
the movable contact insulating support piece is fixed on the grooved wheel and can rotate between the upper support plate and the lower support plate under the driving of the grooved wheel;
a fixed contact insulating support fixed on the lower support plate and positioned at one side of the grooved wheel;
the groove poking piece is rotatably arranged between the upper supporting plate and the lower supporting plate and is positioned on the other side of the grooved wheel; the groove poking piece is in transmission connection with a gear speed reducing mechanism of the tapping switch electric mechanism and can poke the grooved wheel to rotate so as to drive the moving contact insulating support piece to rotate;
it is characterized by also comprising:
the moving contact group is arranged on the moving contact insulating supporting piece and can rotate along with the moving contact insulating supporting piece, the moving contact group comprises a first moving contact and a second moving contact which are vertically arranged, one ends of the first moving contact and the second moving contact are communicated through a conducting wire, and the other ends of the first moving contact and the second moving contact are respectively contacted with the fixed contact insulating supporting piece and slide along the upper surface of the fixed contact insulating supporting piece along with the rotation of the moving contact insulating supporting piece; and a process for the preparation of a coating,
the fixed contact group is arranged on the fixed contact insulating support piece and positioned below the moving contact group, and comprises a first fixed contact, a second fixed contact, a third fixed contact and a fourth fixed contact which are not in contact with each other; the installation positions of the first fixed contact, the second fixed contact and the third fixed contact are superposed with the sliding path of the first moving contact on the fixed contact insulating support, and the first fixed contact, the second fixed contact and the third fixed contact can be alternately contacted with the first moving contact; the installation position of the fourth fixed contact is superposed with the sliding path of the second moving contact on the fixed contact insulating support, and the fourth fixed contact is always kept in contact with the second moving contact;
after the groove shifting piece rotates to be matched with the grooved wheel, when the groove shifting piece rotates by 7 degrees, the groove shifting piece shifts the grooved wheel to rotate by 30-40 degrees, and the first movable contact is driven to slide from the first fixed contact to the second fixed contact or from the second fixed contact to the first fixed contact, or the first movable contact is driven to slide from the second fixed contact to the third fixed contact or from the third fixed contact to the second fixed contact.
2. The tap changer electrical machine 36 binary coded multi-step progressive signaling device according to claim 1, characterized in that: the first fixed contact, the second fixed contact, the third fixed contact and the fourth fixed contact are all arc-shaped structures and are arranged in grooves preset on the fixed contact insulating support.
3. The tap changer electrical machine 36 binary coded multi-step progressive signaling device of claim 2, wherein: the first static contact, the second static contact and the third static contact have the same radius, wherein the length of the first static contact is the same as that of the third static contact, and the length of the second static contact is the sum of the lengths of the first static contact and the third static contact.
4. The tap changer electrical machine 36 binary coded multi-step progressive signaling device according to claim 1, characterized in that: after the groove shifting piece rotates to be matched with the grooved wheel, when the groove shifting piece rotates by 7 degrees, the groove shifting piece shifts the grooved wheel to rotate by 32 degrees, and the first movable contact is driven to slide from the first fixed contact to the second fixed contact or from the second fixed contact to the first fixed contact, or the first movable contact is driven to slide from the second fixed contact to the third fixed contact or from the third fixed contact to the second fixed contact.
5. The tap changer electrical machine 36 binary coded multi-step progressive signaling device according to claim 1, characterized in that: the groove shifting piece comprises a driving wheel, the driving wheel is rotatably arranged between the upper supporting plate and the lower supporting plate, and the driving wheel is in transmission connection with a gear reduction mechanism of the tapping switch electric mechanism; a rotating arm is fixed on the periphery of the driving wheel; a rolling shaft is fixed on the front side of the rotating arm; the driving wheel is driven by a gear speed reducing mechanism of the tapping switch electric mechanism to rotate and drive the rotating arm to rotate, and after the roller on the rotating arm is matched with the grooved wheel, the roller can stir the grooved wheel to rotate once when the rotating arm continues to rotate.
6. The tap changer electrical machine 36 binary coded multi-step progressive signaling device according to claim 1, characterized in that: the moving contact group is arranged on the moving contact insulating supporting piece through an insulating piece.
7. The tap changer electrical machine 36 binary coded multiple-step progressive signal device of claim 6, wherein: the first moving contact and the second moving contact are both of a floating contact structure, two mounting holes which are thin at the top and thick at the bottom are vertically formed in the insulating part, springs which are respectively sleeved outside the first moving contact and the second moving contact are arranged in one thick end of each mounting hole, the diameters of the first moving contact and the second moving contact which are positioned on the lower side of the springs are larger than the springs, and the first moving contact and the second moving contact can float up and down under the action of the springs.
8. The tap changer electrical mechanism 36 binary coded multiple-step progressive signal device according to any one of claims 1-7, characterized in that: lock circles are arranged on the periphery of the driving wheel and one side, facing the driving wheel, of the moving contact insulating supporting piece, wherein the lock circles on the moving contact insulating supporting piece are multiple and are respectively matched with the lock circles on the periphery of the driving wheel; in the process that the groove poking piece rotates and the grooved wheel is not poked, the locking circle on the periphery of the driving wheel interacts with the locking circle on the outside of the insulating support piece of the moving contact to force the grooved wheel not to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943502.4U CN217641024U (en) | 2022-07-27 | 2022-07-27 | 36-system-coding multi-gear progressive signal device of tapping switch electric mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943502.4U CN217641024U (en) | 2022-07-27 | 2022-07-27 | 36-system-coding multi-gear progressive signal device of tapping switch electric mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217641024U true CN217641024U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221943502.4U Active CN217641024U (en) | 2022-07-27 | 2022-07-27 | 36-system-coding multi-gear progressive signal device of tapping switch electric mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217641024U (en) |
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2022
- 2022-07-27 CN CN202221943502.4U patent/CN217641024U/en active Active
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Effective date of registration: 20230103 Address after: 563000 A1 (office building), Phase I of Relocation and Capacity Expansion Technical Transformation Project, No. 1, Wuhan Road, Huichuan District, Zunyi, Guizhou Patentee after: Guizhou Chenting Power Equipment Manufacturing Co.,Ltd. Address before: No. 561, Linchuan Road, Zunyi District, Guizhou Province Patentee before: GUIZHOU CHANGZHENG ELECTRIC Co.,Ltd. |