CN113936935B

CN113936935B - Quick mechanism device for on-load tap-changer

Info

Publication number: CN113936935B
Application number: CN202111054823.9A
Authority: CN
Inventors: 张书琦; 洪军; 张进华; 汪可; 杨帆; 李戈琦; 李刚; 余德文; 成海炎; 梁宁川; 李鹏; 王绍武; 李金忠; 程涣超; 徐征宇; 孙建涛; 刘雪丽
Original assignee: China Electric Power Research Institute Co Ltd CEPRI; Xian Jiaotong University
Current assignee: China Electric Power Research Institute Co Ltd CEPRI; Xian Jiaotong University
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2023-11-03
Anticipated expiration: 2041-09-09
Also published as: EP4216250A1; CN113936935A; WO2023035683A1

Abstract

The invention relates to a quick mechanism device for an on-load tap-changer, which comprises a supporting mechanism, an energy storage mechanism, a driving mechanism and a switching mechanism, wherein the supporting mechanism is connected with the energy storage mechanism; the supporting mechanism is enclosed to form a containing cavity, the energy storage mechanism is contained in the containing cavity and can rotate relative to the supporting mechanism, and the energy storage mechanism is used for storing and releasing energy; the driving mechanism is accommodated in the accommodating cavity, is arranged at intervals with the energy storage mechanism, can rotate relative to the supporting mechanism, and is used for being matched with the energy storage mechanism to drive the switching mechanism to rotate; the switching mechanism is accommodated in the accommodating cavity, can rotate relative to the supporting mechanism and is used for switching the on-load tap switch in cooperation with the driving mechanism and the energy storage mechanism; through setting up energy storage mechanism, actuating mechanism and switching mechanism, in the motion transmission in-process, reduced the conversion of motion, from this, improved transmission efficiency.

Description

Quick mechanism device for on-load tap-changer

Technical Field

The invention relates to the technical field of on-load tap-changers, in particular to a quick mechanism device for an on-load tap-changer.

Background

Currently, the switching action of an on-load tap-changer is mainly completed by a quick mechanism device. The quick mechanism device is an actuating mechanism for carrying out quick switching on the on-load tap-changer according to preset speed and time sequence, and a spring is generally adopted to store energy, so that a rocker arm in the quick mechanism device is driven to rotate at a high speed, and then the on-load tap-changer is driven by a central shaft in the quick mechanism device to complete one-time switching action.

However, the rapid mechanism device often adopts a reciprocating gun-strike type rapid mechanism device, and the gun-strike type rapid mechanism device has a complex structure, many friction components and easy mechanical failure, and increases manufacturing cost.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide a quick mechanism device for an on-load tap-changer, which has the advantages of reducing the manufacturing cost; at the same time, the occurrence of mechanical failure is reduced.

The above object of the present invention is achieved by the following technical solutions: a quick-action mechanism for an on-load tap-changer, comprising: comprises a supporting mechanism, an energy storage mechanism, a driving mechanism and a switching mechanism; the supporting mechanism is enclosed to form a containing cavity, the energy storage mechanism is contained in the containing cavity and is connected with the supporting mechanism through a rotating shaft mechanism, the energy storage mechanism can rotate relative to the supporting mechanism, and the energy storage mechanism is used for storing and releasing energy; the driving mechanism is accommodated in the accommodating cavity, the driving mechanism and the energy storage mechanism are arranged at intervals, the driving mechanism is connected with the supporting mechanism through the rotating shaft mechanism, the driving mechanism can rotate relative to the supporting mechanism, and the driving mechanism is used for driving the switching mechanism to rotate in cooperation with the energy storage mechanism; the switching mechanism is accommodated in the accommodating cavity, one end of the switching mechanism is connected with the driving mechanism through the rotating shaft mechanism, the switching mechanism can rotate relative to the supporting mechanism, and the switching mechanism is used for switching the on-load tap switch in cooperation with the driving mechanism and the energy storage mechanism.

Preferably, the quick mechanism device for an on-load tap-changer provided by the invention comprises a first supporting plate and a second supporting plate, wherein the first supporting plate and the second supporting plate are arranged at intervals, at least one supporting column is arranged between the first supporting plate and the second supporting plate, the top end of the supporting column is detachably connected with the first supporting plate, the bottom end of the supporting column is detachably connected with the second supporting plate, and the first supporting plate, the second supporting plate and the supporting column jointly enclose the accommodating cavity; and a stop component is arranged on the second supporting plate and used for preventing the switching mechanism from rotating.

Preferably, the quick mechanism device for an on-load tap changer provided by the invention comprises two locking units and two stop blocks, wherein one ends of the two stop blocks are connected with the second support plate, the two stop blocks are arranged at intervals along the edge of the second support plate, one ends of the two locking units are connected with the second support plate, the two locking units are positioned between the two stop blocks, the two locking units are arranged at intervals, and each locking unit is spaced from the adjacent stop block by a preset distance.

Preferably, the locking unit comprises a fixed block, a locking block and a first elastic piece, wherein one end of the fixed block is connected with one side, facing the first support plate, of the second support plate, a through groove matched with the locking block is formed in one side, facing the rotating shaft mechanism, of the fixed block, the through groove extends along a first direction of the fixed block, the locking block is inserted into the through groove, the locking block is connected with the fixed block through a rotating shaft, and the locking block can rotate relative to the fixed block; the first elastic piece is inserted into the through groove, extends along the second direction of the fixing piece, one end of the first elastic piece is connected with the inner wall of the through groove, and the other end of the first elastic piece is connected with one side, away from the rotating shaft mechanism, of the locking block; the locking block is used for preventing the switching mechanism from rotating.

Preferably, the quick mechanism device for the on-load tap-changer provided by the invention comprises a rotating shaft assembly, a first rotating shaft and a second rotating shaft which is arranged corresponding to the first rotating shaft, wherein the rotating shaft assembly and the second rotating shaft extend along the central axis direction of the first rotating shaft, and the rotating shaft assembly and the first rotating shaft are arranged at intervals; the rotating shaft assembly penetrates through the supporting mechanism, the top end of the first rotating shaft is inserted into the first supporting plate, the bottom end of the first rotating shaft is accommodated in the accommodating cavity, the bottom end of the second rotating shaft is inserted into the second supporting plate, the top end of the second rotating shaft is accommodated in the accommodating cavity, and a predicted distance is reserved between the bottom end of the first rotating shaft and the top end of the second rotating shaft.

Preferably, the quick mechanism device for the on-load tap-changer provided by the invention comprises a driving component, a first driving gear, a first driven gear meshed with the first driving gear and an energy storage component, wherein the driving component and the first driving gear are sleeved on the rotating shaft component, the first driven gear is sleeved on the first rotating shaft, the first driving gear is meshed with the first driven gear, one end of the energy storage component is connected with the first driven gear, and the other end of the energy storage component is connected with the supporting mechanism; the driving assembly is used for driving the first driving gear to rotate, the first driving gear drives the first driven gear to rotate, and the first driven gear drives the energy storage assembly to rotate; the energy storage component is used for being matched with the first driven gear to realize energy storage.

Preferably, the driving assembly comprises a driving cam, a swinging piece and a shifting column matched with the swinging piece, the driving cam is sleeved on the rotating shaft assembly, the protruding end of the driving cam is abutted against the swinging piece, one end of the swinging piece is connected with the supporting assembly through a rotating rod, the swinging piece can rotate around the rotating rod, one end of the shifting column is connected with the first driving gear, and the peripheral wall of the shifting column is contacted with the swinging piece; the driving cam is used for driving the swinging piece to rotate; the shifting column is used for driving the first driving gear to rotate in a matched mode with the swinging piece.

Preferably, the quick mechanism device for an on-load tap-changer provided by the invention comprises a first connecting piece, an energy storage unit and a second connecting piece, wherein the first connecting piece is connected with one side of the first driven gear, which faces the second rotating shaft, the second connecting piece is positioned in the accommodating cavity, the top end of the second connecting piece is connected with the first supporting plate, the bottom end of the second connecting piece is connected with the second supporting plate, one end of the energy storage unit is hinged with the first connecting piece, the other end of the energy storage unit is rotatably connected with the second connecting piece, and the energy storage unit can rotate relative to the second connecting piece; the energy storage unit is used for storing energy.

Preferably, the driving mechanism comprises a second driving wheel, a second driven wheel meshed with the second driving wheel and a control piece, wherein the second driving wheel is sleeved on the second rotating shaft, the second driving gear can rotate relative to the second rotating shaft, the control piece is arranged on one side, facing the first gear, of the second driving gear, and the control piece is used for driving the second driving gear to rotate in a matched mode with the energy storage assembly; the second driven gear is sleeved on the rotating shaft assembly, and the second driving gear is meshed with the second driven gear.

Preferably, the switching mechanism comprises a rotary table, a stop piece and an unlocking component, wherein one end of the rotary table is sleeved on the rotating shaft component, the stop piece is arranged at one end of the rotary table far away from the rotating shaft component, and the stop piece is used for being matched with the supporting mechanism to prevent the rotary table from rotating; the unlocking component is arranged on the turntable and is used for being matched with the energy storage mechanism to release the stop piece so as to enable the turntable to rotate.

Preferably, the quick mechanism device for the on-load tap-changer provided by the invention comprises a first unlocking unit, a second unlocking unit and a second elastic piece, wherein the first unlocking unit and the second unlocking unit are connected with the turntable through a rotating shaft, the first unlocking unit and the second unlocking unit can rotate around the rotating shaft, the first unlocking unit and the second unlocking unit are arranged in a crossing manner, one end of the second elastic piece is connected with the first unlocking unit, and the other end of the elastic piece is connected with the second unlocking unit; the stopper is located between the first unlocking unit and the second unlocking unit.

In summary, the beneficial technical effects of the application are as follows: the application provides a quick mechanism device for an on-load tap-changer, which comprises a supporting mechanism, an energy storage mechanism, a driving mechanism and a switching mechanism, wherein the supporting mechanism is connected with the energy storage mechanism; the supporting mechanism is enclosed to form a containing cavity, the energy storage mechanism is contained in the containing cavity and is connected with the supporting mechanism through the rotating shaft mechanism, the energy storage mechanism can rotate relative to the supporting mechanism, and the energy storage mechanism is used for storing and releasing energy; the driving mechanism is accommodated in the accommodating cavity, is arranged at intervals with the energy storage mechanism, is connected with the supporting mechanism through the rotating shaft mechanism and can rotate relative to the supporting mechanism, and is used for being matched with the energy storage mechanism to drive the switching mechanism to rotate; the switching mechanism is accommodated in the accommodating cavity, one end of the switching mechanism is connected with the driving mechanism through the rotating shaft mechanism, the switching mechanism can rotate relative to the supporting mechanism, and the switching mechanism is used for switching the on-load tap switch in cooperation with the driving mechanism and the energy storage mechanism; through setting up energy storage mechanism, actuating mechanism and switching mechanism, in the motion transmission in-process, reduced the conversion of motion, from this, improved transmission efficiency.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a quick-action mechanism device for an on-load tap-changer according to an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a second support plate, a first driving gear, a first driven gear, a driving mechanism and a switching mechanism in a fast mechanism device for an on-load tap-changer according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a second support plate, a first driving gear, a first driven gear, a driving mechanism and a switching mechanism in a fast mechanism device for an on-load tap-changer according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an initial state of a quick-action mechanism device for an on-load tap-changer according to an embodiment of the invention.

Fig. 5 is a schematic structural diagram of a first energy storage completion state of a quick-action mechanism device for an on-load tap-changer according to an embodiment of the invention.

Fig. 6 is a schematic structural diagram of a first energy release completion state of a quick mechanism device for an on-load tap changer according to an embodiment of the invention.

Fig. 7 is a schematic structural diagram of a second energy storage completion state of the quick mechanism device for an on-load tap changer according to an embodiment of the invention.

Fig. 8 is a schematic structural view of a locking unit in a quick-action mechanism device for an on-load tap-changer according to an embodiment of the invention.

Fig. 9 is a schematic structural diagram of a second driving gear and a control member in a quick-action mechanism device for an on-load tap-changer according to an embodiment of the invention.

In the figure, 1, a quick mechanism device; 20. a support mechanism; 201. a receiving cavity; 202. a first support plate; 2021. a slideway; 2022. a third elastic member; 2023. a connecting frame; 203. a second support plate; 204. a support column; 205. a locking unit; 2051. a fixed block; 2052. a locking block; 2053. a first elastic member; 2054. a rotation shaft; 206. a stop block; 30. an energy storage mechanism; 301. a driving cam; 302. a swinging member; 3021. a contact portion; 3022. a connection part; 3023. a driving port; 3024. shoulder; 3025. a bump; 303. a poking column; 304. a first drive gear; 3041. a first deflector rod; 3042. a second deflector rod; 305. a first driven gear; 306. an energy storage assembly; 3061. a first connector; 3062. a second connector; 3063. a support rod; 3064. a base; 3065. an energy storage unit; 3066. a fixed sleeve; 3067. a slide bar; 3068. a fourth elastic member; 3069. sliding the sleeve; 40. a driving mechanism; 401. a second drive gear; 402. a second driven gear; 403. a control member; 50. a switching mechanism; 501. a turntable; 5011. a groove; 502. a stopper; 5021. a fixing seat; 5022. a stop block; 503. unlocking the assembly; 5031. a first unlocking unit; 5032. a second unlocking unit; 5033. a second elastic member; 5034. unlocking the block; 5035. a roller; 60. a spindle mechanism; 601. a spindle assembly; 6011. a third rotating shaft; 602. a first rotating shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 7, a fast mechanism device 1 for an on-load tap-changer according to the present invention includes a support mechanism 20, an energy storage mechanism 30, a driving mechanism 40, and a switching mechanism 50; the supporting mechanism 20 is enclosed to form a containing cavity 201, the energy storage mechanism 30 is contained in the containing cavity 201, the energy storage mechanism 30 is connected with the supporting mechanism 20 through the rotating shaft mechanism 60, the energy storage mechanism 30 can rotate relative to the supporting mechanism 20, and the energy storage mechanism 30 is used for storing and releasing energy; by arranging the energy storage mechanism 30, the energy storage mechanism 30 releases energy to realize one-time switching of the on-load tap-changer in the use process.

Illustratively, the supporting mechanism 20 includes a housing and a cover plate, the housing encloses a cavity 201 with a closed bottom, the cover plate is covered on the top of the housing, the cover plate is detachably connected with the housing, and the energy storage mechanism 30, the driving mechanism 40 and the switching mechanism 50 are all accommodated in the cavity 201 during use.

In this embodiment, the support assembly includes a first support plate 202 and a second support plate 203, the first support plate 202 and the second support plate 203 are disposed at intervals, at least one support column 204 is disposed between the first support plate 202 and the second support plate 203, the top ends of the support columns 204 are detachably connected with the first support plate 202, the bottom ends of the support columns 204 are detachably connected with the second support plate 203, and the first support plate 202, the second support plate 203 and the support columns 204 together enclose a containing cavity 201; on the one hand, by providing the support column 204, the support column 204 is used for supporting and fixing the first support plate 202; on the other hand, by providing the first support plate 202 and the second support plate 203 both detachably connected to the support column 204, maintenance of the energy stocking mechanism 30, the driving mechanism 40, and the switching mechanism 50 is facilitated.

Specifically, taking the orientation shown in fig. 1 as an example, the first support plate 202 is located at the upper portion, the second support plate 203 is located at the lower portion, and the first support plate 202 and the second support plate 203 are arranged in parallel; for example, the first support plate 202 may be circular, although the first support plate 202 may be rectangular, oval, or other polygonal shape.

For convenience of explanation, the first support plate 202 is described below as being circular.

The shape of the second support plate 203 may be the same as or different from the shape of the first support plate 202, and in this embodiment, the shape of the second support plate 203 is substantially identical to the shape of the first support plate 202, and the shape of the second support plate 203 will not be described herein.

The central axis of the first support plate 202 is parallel to the central axis of the second support plate 203, and in some implementations, the central axis of the first support plate 202 is disposed collinear with the central axis of the second support plate 203.

In some embodiments, a plurality of support columns 204 may be disposed between the first support plate 202 and the second support plate 203, the plurality of support columns 204 are disposed at the edge of the first support plate 202 around the circumferential direction of the first support plate 202 at intervals, one ends of the plurality of support columns 204 are connected to the bottom surface of the first support plate 202, and the bottom ends of the plurality of support columns 204 are connected to the top surface of the second support plate 203; by providing a plurality of support columns 204, thereby, the connection between the first support plate 202 and the second support plate 203 is improved in firmness.

Wherein, three support columns 204, four support columns 204, five support columns 204, or six support columns 204, etc. may be disposed between the first support plate 202 and the second support plate 203.

Specifically, with a plane parallel to the central axis of the first support plate 202 as a cross section, the cross section of the support column 204 may be i-shaped, and the cross section of the support column 204 may also be rectangular or T-shaped.

The support column 204 and the first support plate 202 may be connected by bolts, the support column 204 and the first support plate 202 may be connected by plugging, and the support column 204 and the first support plate 202 may be connected by clamping, which is not limited in this embodiment.

The connection manner between the support column 204 and the second support plate 203 is substantially identical to the connection manner between the support column 204 and the first support plate 202, and the connection manner between the support column 204 and the second support plate 203 will not be described herein.

Wherein a stopper assembly for preventing the switching mechanism 50 from rotating is provided on the second support plate 203; by providing a stop assembly, it is convenient to stop the rotation of the switching mechanism 50.

In this embodiment, the stop assembly includes two locking units 205 and two stop blocks 206, wherein one ends of the two stop blocks 206 are connected with the second support plate 203, the two stop blocks 206 are arranged around the edge of the second support plate 203 at intervals, one ends of the two locking units 205 are connected with the second support plate 203, the two locking units 205 are located between the two stop blocks 206, the two locking units 205 are arranged at intervals, and each locking unit 205 is spaced from the adjacent stop block 206 by a preset distance; on the one hand, by providing the stopper 206 and the lock unit 205, thereby, the switching mechanism 50 is prevented from rotating; on the other hand, a distance is provided between the lock unit 205 and the stopper block 206, thereby facilitating the simultaneous stopper of both sides of the switching mechanism 50 and avoiding the movement of the switching mechanism 50.

Referring to fig. 8, in this embodiment, the locking unit 205 includes a fixed block 2051, a locking block 2052, and a first elastic member 2053, one end of the fixed block 2051 is connected with one side of the second support plate 203 facing the first support plate 202, a through slot adapted to the locking block 2052 is formed on one side of the fixed block 2051 facing the rotating shaft mechanism 60, the through slot extends along a first direction of the fixed block 2051, the locking block 2052 is inserted into the through slot, the locking block 2052 is connected with the fixed block 2051 through a rotating shaft 2054, the locking block 2052 can rotate relative to the fixed block 2051, the locking block 2052 rotates with a center line of the rotating shaft 2054 as an axis, the first elastic member 2053 is inserted into the through slot, the first elastic member 2053 extends along a second direction of the fixed member, one end of the first elastic member 2053 is connected with an inner wall of the through slot, and the other end of the first elastic member 2053 is connected with one side of the locking block 2052 facing away from the rotating shaft mechanism 60; the lock 2052 is used to prevent the switching mechanism 50 from rotating.

Wherein, in the initial state, the first elastic member 2053 is in a natural telescopic state, the locking block 2052 extends out of the through groove toward one end of the stop block 206, the extending portion of the locking block 2052 extends outwards along the length direction of the first elastic member 2053, and the extending portion of the locking block 2052 is used for preventing the switching mechanism 50 from rotating; taking the orientation shown in fig. 8 as an example, the locking piece 2052 rotates clockwise around the center line of the rotating shaft 2054 under the driving of an external force, at this time, the protruding portion of the locking piece 2052 enters the through groove, the locking piece 2052 compresses the first elastic piece 2053, the first elastic piece 2053 provides a restoring force for the locking piece 2052, after the switching mechanism 50 rotates through the locking unit 205, the locking piece 2052 rotates counterclockwise around the rotating shaft 2054 under the restoring force of the first elastic piece 2053, the first elastic piece 2053 returns to the natural extension state, at this time, the protruding portion of the locking piece 2052 protrudes out of the through groove, and the locking piece 2052 stops rotating.

By providing the lock block 2052 to protrude out of the through groove toward one end of the lock block 206, thereby facilitating the quick passage of the switching mechanism 50 through the two lock units 205; during the switching mechanism 50 being turned from one locking unit 205 to the other locking unit 205, the switching mechanism 50 may automatically push the protruding portion of the other locking block 2052 into the through groove, so that the switching mechanism 50 is locked between the other locking block 2052 and the stopper 206.

The cross-sectional shape of the fixing block 2051 may be circular arc, for example, and of course, the cross-sectional shape of the fixing block 2051 may be rectangular. In the realizable mode that the cross section of the fixed block 2051 is arc-shaped, the radian of the fixed block 2051 is matched with the radian of the outer edge of the second support plate 203, the through groove extends along the circumferential direction of the fixed block 2051, and the locking block 2052 is matched with the through groove; thus, on the one hand, the degree of adhesion between the fixing block 2051 and the second support plate 203 is improved, and the fixing block 2051 is prevented from partially extending out of the second support plate 203; meanwhile, the motion trail of the switching mechanism 50 is matched, so that the switching mechanism 50 is stably excessive; on the other hand, the aesthetic appearance of the quick-action mechanism device 1 is improved.

The first direction of the fixed block 2051 is the longitudinal direction of the fixed block 2051, and the second direction of the fixed block 2051 is the width direction of the fixed block 2051. In an alternative embodiment, the cross-sectional shape of the fixed block 2051 is circular, and the first direction of the fixed block 2051 is the circumferential direction of the fixed block 2051.

In the initial state, one end of the locking block 2052 far away from the first elastic piece 2053 is accommodated in the through groove, the central axis of the rotating shaft 2054 is parallel to the central axis of the second supporting plate 203, and one end of the locking block 2052, which is based on the principle, of the first elastic piece 2053 is rotatably connected with the fixed block 2051 through the rotating shaft 2054.

Illustratively, the first resilient member 2053 may employ a coil spring, although the first resilient member 2053 may employ a resilient sleeve or the like.

Further, in the present embodiment, the side of the stopper 206 facing the locking unit 205 is provided with a shock absorbing member, and in use, after the switching mechanism 50 partially passes through the locking unit 205, the shock absorbing member provides suction to the switching mechanism 50, thereby improving the rotational speed of the switching mechanism 50; at the same time, the shock absorbing member enables the switching mechanism 50 to be closely attached to the stopper 206.

In this embodiment, a slide 2021 and a third elastic member 2022 for guiding and supporting the energy storage mechanism 30 are disposed on a side of the first support plate 202 facing the second support plate 203, two ends of the slide 2021 are connected to the first support plate 202 through a first fixing rod and a second fixing rod, one end of the first fixing rod is connected to the bottom end of the first support plate 202, the other end of the first fixing rod is connected to the first end of the slide 2021, one end of the second fixing rod is connected to the bottom end of the first support plate 202, and the other end of the second fixing rod is connected to the second end of the slide 2021. The central axis of the first fixing rod and the central axis of the second fixing rod are parallel to the central axis of the first support plate 202, the slideway 2021 extends along the rotation track of the energy storage mechanism 30, the slideway 2021 is parallel to the first support plate 202, and the slideway 2021 and the first support plate 202 are arranged at intervals, so that the energy storage mechanism 30 is convenient to contact with the slideway 2021.

One end of the third elastic member 2022 is connected to the first support plate 202 through a connecting frame 2023, and the other end of the third elastic member 2022 is connected to the energy storage mechanism 30. The connecting frame 2023 may be rectangular parallelepiped, however, the connecting frame 2023 may be i-shaped, T-shaped, Z-shaped, U-shaped, or the like. In the realizable mode that the connecting frame 2023 is rectangular, one end of the connecting frame 2023 is connected with one side of the first supporting plate 202 facing the second supporting plate 203, a mounting hole is formed in the connecting frame 2023, one end of the third elastic piece 2022 is inserted into the mounting hole, the third elastic piece 2022 is connected with the connecting frame 2023 through bolts, and the other end of the third elastic piece 2022 is connected with the energy storage mechanism 30; by providing the third elastic member 2022, the third elastic member 2022 provides a restoring force to the energy storage mechanism 30 during use, and reduces the rotational speed of the energy storage mechanism 30.

The third elastic member 2022 may be a coil spring, or a sleeve having elasticity may be used for the third elastic member 2022.

Further, in the present embodiment, the rotating shaft mechanism 60 includes a rotating shaft assembly 601, a first rotating shaft 602, and a second rotating shaft corresponding to the first rotating shaft 602, wherein the rotating shaft assembly 601 and the second rotating shaft extend along the central axis direction of the first rotating shaft 602, and the rotating shaft assembly 601 and the first rotating shaft 602 are arranged at intervals; the rotating shaft assembly 601 is arranged on the supporting mechanism 20 in a penetrating way, the top end of the first rotating shaft 602 is inserted on the first supporting plate 202, the bottom end of the first rotating shaft 602 is accommodated in the accommodating cavity 201, the bottom end of the second rotating shaft is inserted on the second supporting plate 203, the top end of the second rotating shaft is accommodated in the accommodating cavity 201, and a predicted distance is reserved between the bottom end of the first rotating shaft 602 and the top end of the second rotating shaft; by setting the predicted distance, thereby facilitating the energy storage by the energy storage mechanism 30; at the same time, the energy storage mechanism 30 is convenient to drive the driving mechanism 40 to rotate.

Specifically, the extending direction of the rotating shaft assembly 601 is parallel to the central axis direction of the first support plate 202/the second support plate 203. Taking the orientation shown in fig. 2 as an example, the first rotating shaft 602 is located above the second rotating shaft, and the central axis of the first rotating shaft 602 is parallel to the central axis of the second rotating shaft, and in some realizable modes, the central axis of the first rotating shaft 602 and the central axis of the second rotating shaft are arranged in a collinear manner, and a predicted distance is formed between the first rotating shaft 602 and the second rotating shaft.

Further, in this embodiment, the rotating shaft assembly 601 includes three rotating shafts, the three rotating shafts are sequentially disposed along the central axis direction of the first supporting plate 202, the central axes of the three rotating shafts are all parallel to the central axis of the first supporting plate 202, and in some realizable modes, the central axes of the three rotating shafts are all disposed in line with the central axis of the first supporting plate 202.

With continued reference to fig. 2, the three rotating shafts include a third rotating shaft 6011, a fourth rotating shaft and a fifth rotating shaft, the fourth rotating shaft is located between the third rotating shaft 6011 and the fifth rotating shaft, the bottom end of the third rotating shaft 6011 passes through the first supporting plate 202 to be inserted into the accommodating cavity 201, the top end of the fifth rotating shaft passes through the second supporting plate 203 to be inserted into the accommodating cavity 201, the third rotating shaft 6011 is connected with the fourth rotating shaft through a first coupling, and the fourth rotating shaft is connected with the fifth rotating shaft through a second coupling. It should be noted that, the third rotation shaft 6011, the fourth rotation shaft, and the fifth rotation shaft can all generate rotation and do not interfere with each other.

The energy storage mechanism 30 is sleeved on the third rotating shaft 6011 and the fourth rotating shaft, the driving mechanism 40 and the switching mechanism 50 are sleeved on the fifth rotating shaft, and in the use process, the driving mechanism 40 rotates to drive the switching mechanism 50 to rotate.

The spindle assembly 601 includes a spindle and three connecting bearings sleeved on the spindle, the three connecting bearings are sequentially arranged along the central axis direction of the spindle, and the three connecting bearings are all located in the accommodating cavity 201; in use, the central axis of the spindle is parallel to the central axis of the first support plate 202, in some possible modes, the central axis of the spindle is arranged in line with the central axis of the first support plate 202, one end of the spindle sequentially passes through the first support plate 202 and the second support plate 203, wherein the three connecting bearings comprise a first connecting bearing, a second connecting bearing and a third connecting bearing, the energy storage mechanism 30 is partially rotatably connected with the spindle through the first connecting bearing, the driving mechanism 40 is rotatably connected with the spindle through the third connecting bearing, the switching mechanism 50 is rotatably connected with the spindle through the second connecting bearing, and the bottom end of the switching mechanism 50 is connected with the driving mechanism 40, thereby facilitating the driving of the switching mechanism 50 through the driving mechanism 40.

With continued reference to fig. 2 to 7, in the present embodiment, the energy storage mechanism 30 includes a driving component, a first driving gear 304, a first driven gear 305 meshed with the first driving gear 304, and an energy storage component 306, where the driving component and the first driving gear 304 are both sleeved on the rotating shaft component 601, the first driven gear 305 is sleeved on the first rotating shaft 602, the first driving gear 304 is meshed with the first driven gear 305, one end of the energy storage component 306 is connected with the first driven gear 305, and the other end of the energy storage component 306 is connected with the supporting mechanism 20; the driving assembly is used for driving the first driving gear 304 to rotate, the first driving gear 304 drives the first driven gear 305 to rotate, and the first driven gear 305 drives the energy storage assembly 306 to rotate; the energy storage component 306 is used for being matched with the first driven gear 305 to realize energy storage; by arranging the energy storage component 306, in the use process, the energy storage component 306 releases energy to push the driving mechanism 40 to rotate rapidly, and the driving mechanism 40 drives the switching mechanism 50 to rotate, so that one-time switching action of the on-load tap-changer is realized.

Specifically, in this embodiment, the driving assembly is sleeved on the extending end of the third rotating shaft 6011 extending into the accommodating cavity 201, the first driving gear 304 is sleeved on the fourth rotating shaft, the first driven gear 305 is sleeved on the first rotating shaft 602, the first driving gear 304 is meshed with the first driven gear 305, and the third rotating shaft 6011 is connected with the output end of the external motor. In the use process, the external motor drives the third rotating shaft 6011 to rotate, the third rotating shaft 6011 drives the driving assembly to rotate, the driving assembly drives the first driving gear 304 to rotate, the first driving gear 304 drives the first driven gear 305 to rotate, the first driven gear 305 drives the energy storage assembly 306 to rotate, the energy storage assembly 306 stores energy, the energy storage assembly 306 rotates to a dead point to store energy, after the energy storage assembly 306 continues to rotate by a preset angle beyond the dead point position, the energy storage assembly 306 is in contact with the driving mechanism 40, and meanwhile, the energy storage assembly 306 releases energy to push the driving mechanism 40 to rotate, and the driving mechanism 40 drives the switching mechanism 50 to rotate.

Further, in this embodiment, the driving assembly includes a driving cam 301, a swinging member 302, and a shifting post 303 adapted to the swinging member 302, where the driving cam 301 is sleeved on the rotating shaft assembly 601, a protruding end of the driving cam 301 abuts against the swinging member 302, one end of the swinging member 302 is connected to the supporting assembly through a rotating rod, the swinging member 302 can rotate around the rotating rod, one end of the shifting post 303 is connected to the first driving gear 304, and an outer peripheral wall of the shifting post 303 contacts with the swinging member 302; the driving cam 301 is used for driving the swinging member 302 to rotate; the shifting post 303 is used for driving the first driving gear 304 to rotate in cooperation with the swinging member 302.

Specifically, the axis of the rotating rod is parallel to the axis of the first rotating shaft 602, the rotating rod and the rotating shaft assembly 601 are arranged at intervals, the rotating rod is located in the accommodating cavity 201, one end of the rotating rod is connected with the first supporting plate 202, the other end of the rotating rod is connected with the second supporting plate 203, one end of the swinging piece 302 is sleeved on the rotating rod, and the swinging piece 302 can rotate by taking the axis of the rotating rod as the axis.

With continued reference to fig. 4, in the present embodiment, the driving cam 301 is sleeved on the extending end of the third rotating shaft 6011, and is driven and accommodated in the swinging member 302; in the use process, the third rotation drives the driving cam 301 to rotate, the driving cam 301 drives the swinging piece 302 to rotate, the swinging piece 302 drives the shifting post 303 to rotate, and the shifting post 303 drives the first driving gear 304 to rotate; therefore, in the motion transmission process, sliding friction is avoided, and the transmission efficiency is improved.

The swinging member 302 includes a contact portion 3021 and a connection portion 3022, the contact portion 3021 is plate-shaped, the contact portion 3021 is parallel to a horizontal plane, one end of the connection portion 3022 is sleeved on the rotating rod, and the other end of the connection portion 3022 is connected to an outer wall of the contact portion 3021.

In the above embodiment, the contact portion 3021 is provided with a first opening adapted to the driving cam 301 and a second opening adapted to the dial column 303, the first opening is communicated with the second opening, the first opening and the second opening together form a driving opening 3023, wherein, in an initial state, inner walls of opposite sides of the second opening are provided with inward extending shoulders 3024, and the outer peripheral wall of the dial column 303 abuts against the shoulders 3024; shoulder 3024 provides a stop for shifter post 303. Wherein, the driving cam 301 is accommodated in the first opening, the protruding end of the driving cam 301 abuts against the inner wall of the first opening, the poking column 303 extends along the central axis direction of the first supporting plate 202, the poking column 303 is accommodated in the second opening, and the outer peripheral wall of the poking column 303 contacts with the inner peripheral wall of the second opening; during rotation, the shifting post 303 moves along the circumference of the second opening; by providing a second opening, the second opening provides a guiding function for the shifting post 303.

In the use process, the third rotating shaft 6011 rotates to drive the driving cam 301 to rotate, the driving cam 301 drives the swinging member 302 to rotate, the swinging member 302 drives the shifting post 303 to move along the second opening circumference, the shifting post 303 drives the first driving gear 304 to rotate, and the first driving gear 304 drives the first driven gear 305 to rotate.

For example, the swinging member 302 may be in an elliptical plate shape, the swinging member 302 is provided with openings adapted to the driving cam 301 and the pulling post 303, the swinging member 302 is parallel to the horizontal plane, and one end of the swinging member 302 is rotatably connected to the rotating rod.

Further, one end of the contact portion 3021 facing away from the connection portion 3022 is connected to one end of the third elastic member 2022 facing away from the connection frame 2023, a bump 3025 is provided at one end of the contact portion 3021 facing away from the connection portion 3022, the bump 3025 extends outwards, during use, one end of the bump 3025 facing away from the contact portion 3021 contacts the slideway 2021, and during rotation of the swinging member 302 around the rotating rod, the bump 3025 slides along the slideway 2021; by providing the projection 3025, the projection 3025 is in contact with the slideway 2021, so that the slideway 2021 supports the swinging member 302, and the swinging member 302 is prevented from being separated from the driving cam 301.

The sliding track 2021 is arc-shaped, and the radian of the sliding track 2021 is consistent with the motion track of the swinging member 302, so that the bump 3025 and the sliding track 2021 are always in a contact state.

Further, in the present embodiment, the energy storage assembly 306 includes a first connecting member 3061, an energy storage unit 3065 and a second connecting member 3062, the first connecting member 3061 is connected to one side of the first driven gear 305 facing the second rotating shaft, the second connecting member 3062 is located in the accommodating cavity 201, the top end of the second connecting member 3062 is connected to the first supporting plate 202, the bottom end of the second connecting member 3062 is connected to the second supporting plate 203, one end of the energy storage unit 3065 is hinged to the first connecting member 3061, the other end of the energy storage unit 3065 is rotatably connected to the second connecting member 3062, and the energy storage unit 3065 can rotate relative to the second connecting member 3062; the energy storage unit 3065 is used for storing energy; by providing the first connection 3061, during use, the energy storage unit 3065 is caused to store energy by rotation of the first connection 3061.

Specifically, the energy storage unit 3065 includes a fixed sleeve 3066, a sliding rod 3067, and a fourth elastic member 3068, one end of the sliding rod 3067 is inserted in the fixed sleeve 3066, the sliding rod 3067 can slide along the fixed sleeve 3066, one end of the sliding rod 3067 facing away from the fixed sleeve 3066 is hinged with the first connecting member 3061, and one end of the fixed sleeve 3066 facing away from the sliding rod 3067 is rotatably connected with the second connecting member 3062; the fixed sleeve is away from one end of the second connecting piece 3062, a notch extending along the central axis direction of the fixed sleeve is formed in the end, extending along the direction perpendicular to the central axis, of the notch and penetrating through the side wall of the fixed sleeve, a sliding sleeve 3069 is sleeved on the fixed sleeve, the sliding sleeve 3069 can slide along the fixed sleeve, the sliding sleeve 3069 is connected with the sliding rod 3067 through a connecting rod, the connecting rod extends along the radial direction of the fixed sleeve, and one end of the connecting rod sequentially penetrates through the sliding sleeve 3069, the notch and the sliding rod 3067; the fourth elastic piece 3068 is sleeved on the outer peripheral wall of the fixed sleeve, one end of the fourth elastic piece 3068 is connected with the top end of the fixed sleeve, and the other end of the fourth elastic piece 3068 is connected with one end of the sliding sleeve 3069, which is away from the second connecting piece 3062; in the use, slide bar 3067 drives slide sleeve 3069 and connecting rod along the extending direction slip of opening, and slide sleeve 3069 compresses fourth elastic component 3068, and fourth elastic component 3068 carries out the energy storage this moment, and when first connecting piece 3061 rotated to the dead point position, fourth elastic component 3068 energy storage is accomplished.

The fourth elastic member 3068 may be a power storage spring, and the fourth elastic member 3068 may be a sleeve having elasticity.

For example, the first connecting piece 3061 may be U-shaped, one side of the first connecting piece 3061 is connected with the bottom end of the first driven gear 305, and one end of the sliding rod 3067 facing away from the fixed sleeve is inserted into the first connecting piece 3061 to be hinged with the first connecting piece 3061; in the use process, the first driven gear 305 drives the first connecting piece 3061 to rotate, the first connecting piece 3061 drives the sliding rod 3067 to slide along the fixed sleeve 3066, at this time, the sliding sleeve compresses the fourth elastic piece 3068, and the fourth elastic piece 3068 stores energy.

With continued reference to fig. 2, in the present embodiment, the second connecting member 3062 includes a supporting rod 3063 and a base 3064, and the base 3064 may be cylindrical, or, of course, the base 3064 may be rectangular. In implementations where the base 3064 is cylindrical, the central axis of the base 3064 and the central axis of the support bar 3063 are both parallel to the central axis of the first support plate 202, and in some implementations, the central axis of the base 3064 and the central axis of the support bar 3063 are disposed in a collinear fashion, wherein the diameter of the base 3064 is greater than the diameter of the support bar 3063.

Wherein, the top end of the base 3064 is connected with the bottom end of the supporting rod 3063, one end of the base 3064, which is away from the supporting rod 3063, is connected with the second supporting plate 203, one end of the supporting rod 3063, which is away from the base 3064, is connected with the first supporting plate 202, a rotating hole extending along the radial direction of the fixed sleeve is arranged on the fixed sleeve, one end of the supporting rod 3063 passes through the rotating hole, the peripheral wall of the fixed sleeve is abutted with the top end of the base 3064, and the fixed sleeve rotates by taking the central line of the supporting rod 3063 as an axis; by providing the base 3064, the base 3064 supports the fixed sleeve 3066, avoiding the fixed sleeve from sliding along the support bar 3063.

With continued reference to fig. 5 and 7, specifically, during use, the first driven wheel drives the first connecting piece 3061 to rotate, the first connecting piece 3061 drives the sliding rod 3067 to slide along the fixed sleeve, the sliding rod 3067 drives the sliding sleeve 3069 to slide, the sliding sleeve 3069 compresses the fourth elastic piece 3068, the fourth elastic piece 3068 stores energy, at this time, the fixed sleeve rotates around the supporting rod 3063, and the first connecting piece 3061 is not in contact with the driving mechanism 40; when the first connecting piece 3061 rotates to the dead point position, the fourth elastic piece 3068 stores energy, and after the first connecting piece 3061 continues to rotate past the dead point position and rotates by a preset angle, the first connecting piece 3061 contacts with the driving mechanism 40; at this time, the fourth elastic member 3068 releases energy under the restoring force, pushing the driving mechanism 40 to rotate.

After passing over the dead point position and rotating by a preset angle, the first connecting piece 3061 contacts with the driving mechanism 40, thereby ensuring that the first connecting piece 3061 releases energy in a preset direction and avoiding the first connecting piece 3061 from rebounding under the action of collision force.

In this embodiment, the driving mechanism 40 is accommodated in the accommodating cavity 201, the driving mechanism 40 and the energy storage mechanism 30 are disposed at intervals, the driving mechanism 40 is connected with the supporting mechanism 20 through the rotating shaft mechanism 60, the driving mechanism 40 can rotate relative to the supporting mechanism 20, and the driving mechanism 40 is used for driving the switching mechanism 50 to rotate in cooperation with the energy storage mechanism 30.

In the use process, the energy storage mechanism 30 drives the driving mechanism 40 to rotate, and the driving mechanism 40 drives the switching mechanism 50 to rotate, so that the switching of the on-load tap-changer is realized.

With continued reference to fig. 2 to 7, in the present embodiment, the driving mechanism 40 includes a second driving wheel, a second driven wheel meshed with the second driving wheel, and a control member 403, the second driving wheel is sleeved on the second rotating shaft, the second driving gear 401 can rotate relative to the second rotating shaft, the control member 403 is disposed on a side of the second driving gear 401 facing the first gear, and the control member 403 is used to cooperate with the energy storage component 306 to drive the second driving gear 401 to rotate; the second driven gear 402 is sleeved on the rotating shaft assembly 601, and the second driving gear 401 is meshed with the second driven gear 402; by providing the control member 403, a "rotation-to-rotation" motion transfer is achieved, reducing motion conversion, and thereby improving transmission efficiency.

Specifically, the second driven gear 402 is sleeved on the fifth rotating shaft, the second driven gear 402 is meshed with the second driving gear 401, and the second driven gear 402 is spaced from the first driving gear 304.

With continued reference to fig. 9, specifically, the control member 403 is in an arc shape, the central axis of the control member 403 is parallel to the central axis of the second driving gear 401, and in some implementations, the central axis of the control member 403 is disposed in line with the central axis of the second driving gear 401; both ends of the control member 403 are provided with a fixing part matched with the first connecting piece 3061, the fixing part extends outwards, in the use process, the first connecting piece 3061 is contacted with the fixing part, meanwhile, the fourth elastic piece 3068 releases energy to push the control member 403 to rotate, the control member 403 drives the second driving gear 401 to rotate, and the second driving gear 401 drives the second driven gear 402 to rotate.

The second driving gear 401 may be connected to the control member 403 by welding, the second driving gear 401 may also be connected to the control member 403 by bolting, and the second driving gear 401 may also be integrally formed with the control member 403 by casting.

In this embodiment, the switching mechanism 50 is accommodated in the accommodating cavity 201, one end of the switching mechanism 50 is connected with the driving mechanism 40 through the rotating shaft mechanism 60, the switching mechanism 50 can rotate relative to the supporting mechanism 20, and the switching mechanism 50 is used for switching the on-load tap-changer in cooperation with the driving mechanism 40 and the energy storage mechanism 30.

Further, in the present embodiment, the switching mechanism 50 includes a turntable 501, a stop member 502 and an unlocking component 503, one end of the turntable 501 is sleeved on the rotating shaft component 601, the stop member 502 is disposed at one end of the turntable 501 far away from the rotating shaft component 601, and the stop member 502 is used to cooperate with the supporting mechanism 20 to prevent the turntable 501 from rotating; an unlocking component 503 is arranged on the turntable 501, and the unlocking component 503 is used for cooperating with the energy storage mechanism 30 to release the stop piece 502 so as to enable the turntable 501 to rotate.

Specifically, the turntable 501 is sleeved on the fifth rotating shaft, the turntable 501 is located between the first driving gear 304 and the second driven gear 402, the bottom end of the turntable 501 is connected with the top end of the second driven gear 402, the turntable 501 is fan-shaped, the turntable 501 is parallel to the horizontal plane, two opposite sides of the turntable 501 are provided with bonding surfaces matched with the stop blocks 206, when the stop piece 502 abuts against the extending part of one of the locking blocks 2052, one side of the stop block 206 adjacent to the locking block 2052 contacts with the bonding surface of the turntable 501, and at this time, the switching mechanism 50 is in a static state.

The stopper 502 includes a fixing seat 5021 and a stopper 5022, the stopper 5022 extends along the central axis direction of the first support plate 202, the bottom end of the stopper 5022 is connected with the top end of the fixing seat 5021, and the stopper 5022 is used for being abutted with an extending part of the locking block 2052; one end of the turntable 501, which is away from the rotating shaft assembly 601, is provided with a groove 5011, and a fixing seat 5021 is inserted into the groove 5011, and a stop 5022 extends out of the groove 5011.

Illustratively, the stopper 502 may be plate-shaped, the stopper 502 extends along a radial direction of the first support plate 202, the stopper 502 is parallel to a central axis of the first support plate 202 during use, the stopper 502 is inserted on the turntable 501, and one side of the stopper 502 contacts with an extension portion of the locking block 2052 to prevent the turntable 501 from rotating.

Further, in the present embodiment, the unlocking component 503 includes a first unlocking unit 5031, a second unlocking unit 5032, and a second elastic member 5033, where the first unlocking unit 5031 and the second unlocking unit 5032 are connected to the turntable 501 through a rotation shaft, the first unlocking unit 5031 and the second unlocking unit 5032 can rotate around the rotation shaft, the first unlocking unit 5031 and the second unlocking unit 5032 are disposed in a crossing manner, one end of the second elastic member 5033 is connected to the first unlocking unit 5031, and the other end of the elastic member is connected to the second unlocking unit 5032; the stopper 502 is located between the first unlocking unit 5031 and the second unlocking unit 5032; on the other hand, by providing the second elastic member 5033, after the first unlocking unit 5031 or the second unlocking unit 5032 rotates, the second elastic member 5033 is stretched, and at this time, the second elastic member 5033 provides a restoring force to the first unlocking unit 5031 or the second unlocking unit 5032; on the other hand, by disposing the stopper 502 between the first unlocking unit 5031 and the second unlocking unit 5032, the rotation angle of the first unlocking unit 5031/the second unlocking unit 5032 is reduced when unlocking the lock block 2052.

Specifically, a first limiting column and a second limiting column are arranged at the top end of the turntable 501, the central axis of the first limiting column and the central axis of the second limiting column are parallel to the central axis of the first supporting plate 202, the first limiting column is located at one side of the first unlocking unit 5031, which is away from the second unlocking unit 5032, and after the first unlocking unit 5031 rotates for a certain angle, the peripheral wall of the first limiting column is abutted to the first unlocking unit 5031, so that the first limiting column is used for limiting the rotation angle of the first unlocking unit 5031; the second spacing post is located the one side that second unblock unit 5032 deviates from first unblock unit 5031, and after the certain angle was rotated to second unblock unit 5032, the outer peripheral wall of second spacing post and second unblock unit 5032 butt, and the second spacing post is used for restricting the rotation angle of second unblock unit 5032.

The first unlocking unit 5031 includes an unlocking block 5034 and a roller 5035, the extending direction of the unlocking block 5034 is parallel to the horizontal plane, a notch is formed at one end of the unlocking block 5034 away from the rotating shaft assembly 601, the roller 5035 is inserted into the notch, the roller 5035 is connected with the unlocking block 5034 through a fixed shaft, the roller 5035 can rotate relative to the unlocking block 5034, the central axis of the roller 5035 and the central axis of the fixed shaft are parallel to the central axis of the first supporting plate 202, in some realizable modes, the central axis of the roller 5035 is in collinear with the central axis of the fixed shaft, in the use process, the roller 5035 contacts with an extending part of one of the locking blocks 2052, the roller 5035 pushes the locking block 2052 to rotate around the rotating shaft 2054 while rotating around the fixed shaft, the extending part of the locking block 2052 enters the through groove, and at this time, the second driven gear 402 drives the fifth rotating shaft to rotate, and the fifth rotating shaft drives the turntable 501 to rotate fast between the other locking block 2052 and the stop block 206.

Further, a rotating handle is arranged at one end of the unlocking block 5034 far away from the notch, the rotating handle is plate-shaped, the rotating plate is parallel to the horizontal plane, the rotating handle extends along the length direction of the unlocking block 5034, the rotating handle and the top end of the unlocking block 5034 are located on the same horizontal plane, a connecting hole extending along the central axis direction of the first supporting plate 202 is formed in the rotating handle, one end of the rotating shaft, deviating from the rotary disc 501, is inserted into the connecting hole, the rotating handle rotates by taking the central line of the rotating shaft as an axis, the rotating handle rotates to drive the unlocking block 5034 to rotate, and one end of the second elastic piece 5033 is connected with the unlocking block 5034.

The remaining structure of the second unlocking unit 5032 is substantially identical to the structure of the first unlocking unit 5031 except that the handle of the second unlocking unit 5032 is located on the same horizontal plane as the bottom end of the unlocking block 5034 of the second unlocking unit 5032, and the structure of the second unlocking unit 5032 is not described herein. By arranging the rotating handle in the second unlocking unit 5032 to be flush with the bottom end of the unlocking block 5034 in the second unlocking unit 5032, the first unlocking unit 5031 and the second unlocking unit 5032 are arranged in a crossing manner, and the first unlocking unit and the second unlocking unit 5032 do not interfere with each other in the rotating process.

Specifically, the rotating handle in the first unlocking unit 5031 is spaced from the rotating handle in the second unlocking unit 5032 by a predetermined distance, thereby avoiding interference during rotation of the first unlocking unit 5031 and the second unlocking unit 5032.

The first driving gear 304 is provided with a first shifting lever 3041 of the shifting column 303 and a second shifting lever 3042 of the shifting column 303, the first shifting lever 3041 of the shifting column 303 and the second shifting lever 3042 of the shifting column 303 are both arranged at the bottom end of the first driving gear 304, the first shifting lever 3041 of the shifting column 303 and the second shifting lever 3042 of the shifting column 303 are arranged at intervals along the central axis direction of the first driving gear 304, the first shifting lever 3041 of the shifting column 303 is positioned at the upper end of the second shifting lever 3042 of the shifting column 303, the first shifting lever 3041 of the shifting column 303 is correspondingly arranged with a rotating handle in the first unlocking unit 5031, and the first shifting lever 3041 of the shifting column 303 is used for pushing the rotating handle in the first unlocking unit 5031 to rotate; the second shift lever 3042 of the shift column 303 is correspondingly arranged with the rotary handle in the second unlocking unit 5032, and the second shift lever 3042 of the shift column 303 is used for pushing the rotary handle in the second unlocking unit 5032 to rotate; the knob in the first unlocking unit 5031 is spaced from the knob in the second unlocking unit 5032 by a predetermined distance greater than the thickness of the second lever 3042 of the shift column 303, thereby facilitating passage of the second lever 3042 of the shift column 303 between the knob in the first unlocking unit 5031 and the dial 501.

The first shift lever 3041 of the shift column 303 extends along the radial direction of the first driving gear 304, and the first shift lever 3041 of the shift column 303 may be z-shaped, or the first shift lever 3041 of the shift column 303 may be T-shaped.

The structure of the second shift lever 3042 of the shift column 303 is substantially identical to the structure of the first shift lever 3041 of the shift column 303, and the structure of the second shift lever 3042 of the shift column 303 is not described in detail in this embodiment.

The working principle of the quick mechanism device 1 for an on-load tap-changer provided in this embodiment is as follows: the external motor drives the third rotating shaft 6011 to rotate, the third rotating shaft 6011 drives the driving cam 301 to rotate, the driving cam 301 drives the swinging member 302 to rotate, the swinging member 302 drives the shifting column 303 to rotate, the shifting column 303 drives the first driving gear 304 to rotate, the first driving gear 304 drives the first driven gear 305 to rotate, meanwhile, the first driving gear 304 drives the first shifting lever 3041 and the second shifting lever 3042 to rotate, the first driven gear 305 drives the first connecting piece 3061 to rotate, the first connecting piece 3061 drives the energy storage unit 3065 to store energy, and when the first connecting piece 3061 rotates to a dead point position, energy storage of the fourth elastic piece 3068 is completed, and in the process, the first connecting piece 3061 is not in contact with the driving mechanism 40; after the first connecting piece 3061 rotates past the dead point position and continues to rotate by a preset angle, the first connecting piece 3061 contacts with the driving mechanism 40, the fourth elastic piece 3068 releases energy, and the first connecting piece 3061 pushes the driving mechanism 40 to rotate; at this time, the first driving gear 304 drives the first driving lever 3041 to rotate continuously, the first driving lever 3041 pushes the first unlocking unit 5031 to rotate around the rotation axis, the first unlocking unit 5031 pushes the locking block 2052 to rotate, the protruding part of the locking block 2052 enters the through groove, at this time, the stop piece 502 is separated from the locking block 2052, the driving mechanism 40 drives the switching mechanism 50 to rotate fast between the other locking unit 205 and the stop piece 206, at this time, the protruding part of the locking block 2052 contacts with the stop piece 502, and the driving mechanism 40 stops rotating; thus, one-time switching of the on-load tap-changer is completed, and on-load transition of current is realized.

The application provides a quick mechanism device 1 for an on-load tap-changer, which comprises a supporting mechanism 20, an energy storage mechanism 30, a driving mechanism 40 and a switching mechanism 50; the supporting mechanism 20 is enclosed to form a containing cavity 201, the energy storage mechanism 30 is contained in the containing cavity 201, the energy storage mechanism 30 is connected with the supporting mechanism 20 through the rotating shaft mechanism 60, the energy storage mechanism 30 can rotate relative to the supporting mechanism 20, and the energy storage mechanism 30 is used for storing and releasing energy; the driving mechanism 40 is accommodated in the accommodating cavity 201, the driving mechanism 40 and the energy storage mechanism 30 are arranged at intervals, the driving mechanism 40 is connected with the supporting mechanism 20 through the rotating shaft mechanism 60, the driving mechanism 40 can rotate relative to the supporting mechanism 20, and the driving mechanism 40 is used for driving the switching mechanism 50 to rotate in cooperation with the energy storage mechanism 30; the switching mechanism 50 is accommodated in the accommodating cavity 201, one end of the switching mechanism 50 is connected with the driving mechanism 40 through the rotating shaft mechanism 60, the switching mechanism 50 can rotate relative to the supporting mechanism 20, and the switching mechanism 50 is used for switching the on-load tap-changer in cooperation with the driving mechanism 40 and the energy storage mechanism 30; by providing the energy storage mechanism 30, the driving mechanism 40 and the switching mechanism 50, the conversion of motion is reduced during the motion transmission, thereby improving the transmission efficiency.

The quick-action mechanism device 1 provided by the invention has the following advantages: the device has simple structure and easy manufacture, and reduces the manufacturing cost.

It should be noted that in this document relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims

1. A quick-action mechanism for an on-load tap-changer, comprising: comprises a supporting mechanism, an energy storage mechanism, a driving mechanism and a switching mechanism;

the supporting mechanism is enclosed to form a containing cavity, the energy storage mechanism is contained in the containing cavity and is connected with the supporting mechanism through a rotating shaft mechanism, the energy storage mechanism can rotate relative to the supporting mechanism, and the energy storage mechanism is used for storing and releasing energy;

the driving mechanism is accommodated in the accommodating cavity, the driving mechanism and the energy storage mechanism are arranged at intervals, the driving mechanism is connected with the supporting mechanism through the rotating shaft mechanism, the driving mechanism can rotate relative to the supporting mechanism, and the driving mechanism is used for driving the switching mechanism to rotate in cooperation with the energy storage mechanism;

the switching mechanism is accommodated in the accommodating cavity, one end of the switching mechanism is connected with the driving mechanism through the rotating shaft mechanism, the switching mechanism can rotate relative to the supporting mechanism, and the switching mechanism is used for switching the on-load tap switch in cooperation with the driving mechanism and the energy storage mechanism;

the supporting mechanism comprises a first supporting plate and a second supporting plate, wherein the first supporting plate and the second supporting plate are arranged at intervals, at least one supporting column is arranged between the first supporting plate and the second supporting plate, the top ends of the supporting columns are detachably connected with the first supporting plate, the bottom ends of the supporting columns are detachably connected with the second supporting plate, and the first supporting plate, the second supporting plate and the supporting columns jointly enclose a containing cavity;

A stop component is arranged on the second supporting plate and used for preventing the switching mechanism from rotating;

the stop assembly comprises two locking units and two stop blocks, wherein one ends of the two stop blocks are connected with the second support plate, the two stop blocks are arranged at intervals along the edge of the second support plate, one ends of the two locking units are connected with the second support plate, the two locking units are positioned between the two stop blocks, the two locking units are arranged at intervals, and each locking unit is spaced from the adjacent stop block by a preset distance; the locking unit comprises a fixed block, a locking block and a first elastic piece, one end of the fixed block is connected with one side, facing the first support plate, of the second support plate, a through groove matched with the locking block is formed in one side, facing the rotating shaft mechanism, of the fixed block, the through groove extends along a first direction of the fixed block, the locking block is inserted into the through groove, the locking block is connected with the fixed block through a rotating shaft, and the locking block can rotate relative to the fixed block;

The first elastic piece is inserted into the through groove, extends along the second direction of the fixed block, one end of the first elastic piece is connected with the inner wall of the through groove, and the other end of the first elastic piece is connected with one side, away from the rotating shaft mechanism, of the locking block;

the locking block is used for preventing the switching mechanism from rotating;

the rotating shaft mechanism comprises a rotating shaft assembly, a first rotating shaft and a second rotating shaft which is arranged corresponding to the first rotating shaft, wherein the rotating shaft assembly and the second rotating shaft extend along the central axis direction of the first rotating shaft, and the rotating shaft assembly and the first rotating shaft are arranged at intervals;

the rotating shaft assembly is arranged on the supporting mechanism in a penetrating mode, the top end of the first rotating shaft is inserted into the first supporting plate, the bottom end of the first rotating shaft is accommodated in the accommodating cavity, the bottom end of the second rotating shaft is inserted into the second supporting plate, the top end of the second rotating shaft is accommodated in the accommodating cavity, and a preset distance is reserved between the bottom end of the first rotating shaft and the top end of the second rotating shaft;

the energy storage mechanism comprises a driving assembly, a first driving gear, a first driven gear meshed with the first driving gear and an energy storage assembly, wherein the driving assembly and the first driving gear are sleeved on the rotating shaft assembly, the first driven gear is sleeved on the first rotating shaft, the first driving gear is meshed with the first driven gear, one end of the energy storage assembly is connected with the first driven gear, and the other end of the energy storage assembly is connected with the supporting mechanism;

The driving assembly is used for driving the first driving gear to rotate, the first driving gear drives the first driven gear to rotate, and the first driven gear drives the energy storage assembly to rotate;

the energy storage component is used for being matched with the first driven gear to realize energy storage;

the driving mechanism comprises a second driving gear, a second driven gear meshed with the second driving gear and a control piece, the second driving gear is sleeved on the second rotating shaft, the second driving gear can rotate relative to the second rotating shaft, the control piece is arranged on one side, facing the first driven gear, of the second driving gear, and the control piece is used for driving the second driving gear to rotate in a matched mode with the energy storage assembly;

the second driven gear is sleeved on the rotating shaft assembly, and the second driving gear is meshed with the second driven gear;

the switching mechanism comprises a rotary table, a stop piece and an unlocking component, one end of the rotary table is sleeved on the rotating shaft component, the stop piece is arranged at one end of the rotary table far away from the rotating shaft component, and the stop piece is used for being matched with the supporting mechanism to prevent the rotary table from rotating;

The unlocking component is arranged on the turntable and is used for being matched with the energy storage mechanism to release the stop piece so as to enable the turntable to rotate;

the unlocking assembly comprises a first unlocking unit, a second unlocking unit and a second elastic piece, wherein the first unlocking unit and the second unlocking unit are connected with the turntable through a rotating shaft, the first unlocking unit and the second unlocking unit can rotate around the rotating shaft, the first unlocking unit and the second unlocking unit are arranged in a crossing manner, one end of the second elastic piece is connected with the first unlocking unit, and the other end of the second elastic piece is connected with the second unlocking unit;

the stopper is located between the first unlocking unit and the second unlocking unit.

2. The quick action mechanism device for an on-load tap changer of claim 1, wherein: the driving assembly comprises a driving cam, a swinging piece and a shifting column matched with the swinging piece, the driving cam is sleeved on the rotating shaft assembly, the protruding end of the driving cam is in butt joint with the swinging piece, one end of the swinging piece is connected with the supporting mechanism through a rotating rod, the swinging piece can rotate around the rotating rod, one end of the shifting column is connected with the first driving gear, and the peripheral wall of the shifting column is in contact with the swinging piece;

The driving cam is used for driving the swinging piece to rotate;

the shifting column is used for driving the first driving gear to rotate in a matched mode with the swinging piece.

3. The quick action mechanism device for an on-load tap changer of claim 2, wherein: the energy storage assembly comprises a first connecting piece, an energy storage unit and a second connecting piece, wherein the first connecting piece is connected with one side, facing the second rotating shaft, of the first driven gear, the second connecting piece is positioned in the accommodating cavity, the top end of the second connecting piece is connected with the first supporting plate, the bottom end of the second connecting piece is connected with the second supporting plate, one end of the energy storage unit is hinged with the first connecting piece, the other end of the energy storage unit is rotatably connected with the second connecting piece, and the energy storage unit can rotate relative to the second connecting piece;

the energy storage unit is used for storing energy.