CN110137003B - Operating mechanism of automatic change-over switch - Google Patents
Operating mechanism of automatic change-over switch Download PDFInfo
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- CN110137003B CN110137003B CN201910451501.4A CN201910451501A CN110137003B CN 110137003 B CN110137003 B CN 110137003B CN 201910451501 A CN201910451501 A CN 201910451501A CN 110137003 B CN110137003 B CN 110137003B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 93
- 238000003756 stirring Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Handcart (AREA)
Abstract
The invention discloses an operating mechanism of an automatic change-over switch, which comprises a driving wheel, a right transmission mechanism and a left transmission mechanism, and also comprises a limiting structure, wherein the limiting structure comprises a limiting wheel which is connected with the driving wheel and rotates together, a right limiting bar arranged on the right transmission mechanism, and a left limiting bar arranged on the left transmission mechanism, a notch part is arranged between the right limiting bar and the left limiting bar by the limiting wheel, the operating mechanism of the automatic change-over switch drives one side of the transmission mechanism to close the switch by rotating the driving wheel, and the limiting wheel and the notch part are mutually matched with the right limiting bar and the left limiting bar, so that the limit interlocking mechanism is realized, the limiting wheel limits the other side of the transmission mechanism to be unable to move when the driving wheel drives one side of the transmission mechanism to close the switch, so that the switch is not separated by misoperation, and the reliability of power supply is ensured.
Description
Technical Field
The present invention relates to an electrical switching apparatus, and more particularly to an operating mechanism for an automatic transfer switch.
Background
The automatic transfer switch is widely applied to various places needing uninterrupted power supply, and realizes automatic transfer of a load circuit between two paths of power supplies so as to ensure the reliability of power supply of a user. Automatic transfer switches are classified into two types, PC and CB. The PC-level automatic transfer switch is of an integrated structure, two paths of power supplies are arranged on the same side of the operating mechanism, the CB-level dual-power automatic transfer switch consists of two plastic shell circuit breakers and the operating mechanism, and the two paths of power supplies are respectively arranged on two sides of the operating mechanism.
In order to solve the problems that in the prior art, a transmission mechanism and a stirring bracket are complex in cooperation, switching on and off is unreliable, chinese patent document CN204011119U discloses a gear transmission mechanism of an automatic change-over switch, the automatic change-over switch comprises a driving wheel, a left driven gear, a right driven gear, a left stirring bracket, a right stirring bracket and a mounting bracket, wherein the left driven gear and the right driven gear are arranged on the mounting bracket and are respectively positioned on two sides of the driving wheel, gear strips are arranged on the sides of the left stirring bracket and the right stirring bracket, the left stirring bracket is arranged on the outer side of the left driven gear and is in mutual cooperation linkage, the right stirring bracket is arranged on the outer side of the right driven gear and is in mutual cooperation linkage, and a group of circuit breakers are respectively arranged on the outer sides of the left stirring bracket and the right stirring bracket; when the driving wheel is at the first station, namely anticlockwise to the bottom, the left circuit breaker is switched on, and the right circuit breaker is switched off; the driving wheel rotates clockwise from the first station to drive the left driven gear to rotate anticlockwise, the left driven gear drives the left toggle support to move downwards, and the left circuit breaker is opened; when the driving wheel reaches the middle station, the left side breaker is opened, and the right side breaker is opened; the driving wheel rotates clockwise from the middle station to drive the right driven gear to rotate anticlockwise, the right driven gear drives the right toggle support to move upwards, and the right circuit breaker is switched on; when the driving wheel is at the second station, namely clockwise to bottom, the left side breaker is opened, and the right side breaker is closed.
The structure of the automatic transfer switch can be seen that the following problems still exist in practical application: the linkage structure is arranged between the left toggle support and the right toggle support and the driving wheel, and under the condition that the toggle support is in misoperation at one side of the non-switching-on state, the toggle support at one side of the switching-on state can be moved, so that the switching-off of the circuit breaker is caused, and the reliability of power supply of a user cannot be guaranteed.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that a linkage structure is arranged between a left poking bracket and a right poking bracket and a driving wheel in the prior art, when the poking bracket at one side of the circuit breaker is not in misoperation, the poking bracket at one side of the circuit breaker is moved, so that the circuit breaker is separated, and the reliability of power supply cannot be ensured.
The invention provides an operating mechanism of an automatic transfer switch, comprising:
A driving wheel;
the right transmission mechanism is matched with the driving wheel to move and control the switching on/off of a common power switch;
the left transmission mechanism is matched with the driving wheel to move and control the switching on and off of the standby power switch, and further comprises:
the limiting structure comprises a limiting wheel which is connected with the driving wheel and rotates together with the driving wheel, a right limiting strip arranged on the right transmission mechanism and a left limiting strip arranged on the left transmission mechanism, wherein a notch part is arranged between the right limiting strip and the left limiting strip of the limiting wheel;
When the driving wheel is in a first state, namely the driving wheel rotates anticlockwise to drive the right transmission mechanism to move so as to enable the common power switch to be switched on, the notch points to the right limit bar, the limit wheel does not limit the right transmission mechanism to move up and down, and the limit wheel blocks the left transmission mechanism from moving up and down;
When the driving wheel is in a second state, namely the driving wheel rotates clockwise to drive the left transmission mechanism to move so as to switch on the standby power switch, the notch points to the left limit bar, the limit wheel does not limit the left transmission mechanism to move up and down, and the limit wheel blocks the right transmission mechanism from moving up and down;
when the driving wheel is in an intermediate state from a first state to a second state, namely the driving wheel is not in contact with the right transmission mechanism and the left transmission mechanism, the common power switch is switched off, the standby power switch is switched off, the notch points to the middle blank part of the right limit strip and the left limit strip, and the limit wheel is matched with the right limit strip and the left limit strip to limit the right transmission mechanism and the left transmission mechanism to move up and down.
In the operating mechanism of the automatic transfer switch, the right limit bar is provided with a right circular arc groove through which the limit wheel can rotate.
In the operating mechanism of the automatic transfer switch, the left limit bar is provided with a left arc groove through which the limit wheel rotates.
In the operating mechanism of the automatic transfer switch, the notch part is of a fan-shaped structure, one side of the notch part is the center of the limit wheel to the inner end point of the right circular arc groove, and the other side of the notch part is the center of the limit wheel to the inner end point of the left circular arc groove.
In the operating mechanism of the automatic transfer switch, the limiting wheel is provided with a limiting protrusion at the other side corresponding to the notch, and the limiting protrusion is positioned on an extension line of the central line of the notch.
In the operating mechanism of the automatic transfer switch, the driving wheel is provided with a gear area meshed with the right transmission mechanism and the left transmission mechanism corresponding to the notch part of the limiting wheel.
In the operating mechanism of the automatic transfer switch, an operating hole which can be embedded with a motor shaft is arranged at the center of the driving wheel.
The operating mechanism of the automatic transfer switch is also provided with a manual gear which is coaxially arranged with the driving wheel.
In the operating mechanism of the automatic transfer switch, an operating handle is arranged on the automatic transfer switch shell, and one end of the operating handle is provided with an arc-shaped tooth area which is matched and linked with the manual gear.
In the operating mechanism of the automatic transfer switch, the manual gear, the driving wheel and the limiting wheel are integrally formed.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. In the operating mechanism of the automatic transfer switch, the operating mechanism of the automatic transfer switch drives the transmission mechanism on one side to close the switch through the rotary driving wheel, and the limit wheel and the notch part are mutually matched with the right limit bar and the left limit bar, so that the right transmission mechanism and the left transmission mechanism are prevented from simultaneously acting, a limit interlocking mechanism is realized, the driving wheel drives the transmission mechanism on one side to switch on, and the limit wheel limits the transmission mechanism on the other side to be unable to move, so that the switch is not separated due to misoperation, and the reliability of power supply is ensured.
2. In the operating mechanism of the automatic transfer switch, the contact surface between the right circular arc groove and the left circular arc groove and the limiting wheel is increased, so that the right limiting bar and the left limiting bar are easier to block in misoperation, and meanwhile, in a normal state, the limiting wheel can freely rotate and cannot be blocked by the right limiting bar and the left limiting bar, and the reliability of the automatic transfer switch is improved.
3. In the operating mechanism of the automatic transfer switch provided by the invention, the two sides of the notch part point to the inner side end points of the right circular arc groove and the left circular arc groove respectively, so that the design has the advantages that the notch part can be aligned with the limit strip on the rotating side rapidly when the limit wheel rotates, the blocking of the transmission mechanism is eliminated, the transmission mechanism can move along with the driving wheel to close the switch, and the structure is simple and reliable.
4. In the operating mechanism of the automatic transfer switch provided by the invention, the limit bulge is positioned at the intersection of the other side of the limit wheel and the central line of the notch part, and the design has the advantages that the limit bulge is matched with the right limit bar and the left limit bar, so that the rotation amplitude of the driving wheel is limited, and meanwhile, when the switch of the transmission bracket on one side is switched on, the fastening force is applied to the transmission bracket on the other side, so that the error action cannot occur, and the reliability of the automatic transfer switch is improved.
5. In the operating mechanism of the automatic transfer switch provided by the invention, the driving wheel is provided with the gear area corresponding to the notch part, so that the driving wheel drives the side transmission mechanism to move to switch on after the notch part points to the side transmission mechanism, and the reliability of the interlocking mechanism is ensured.
6. In the operating mechanism of the automatic change-over switch provided by the invention, the circle center of the driving wheel is provided with the operating hole which can be embedded with the motor shaft, and the driving wheel can be controlled to rotate by the motor, so that the function of the automatic change-over switch is realized.
7. In the operating mechanism of the automatic change-over switch, which is provided by the invention, the operating mechanism is provided with the manual gear, the operating handle is arranged on the automatic change-over switch shell, one end of the operating handle is provided with the arc-shaped tooth area which is matched and linked with the manual gear, the rotation of the driving wheel is driven by the mutual matching of the manual gear and the arc-shaped tooth area, the operation of the handle is convenient, the manual change-over switch can be realized without using a tool, and the time and the labor are saved.
8. In the operating mechanism of the automatic transfer switch provided by the invention, the manual gear, the driving wheel and the limiting wheel are integrally formed, and the integrally formed structure is beneficial to synchronous rotation between the gears, so that the reliability of the interlocking mechanism is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the operating mechanism of the automatic transfer switch of the present invention with the drive wheel in an intermediate state;
FIG. 2 is a schematic view of the driving wheel of the operating mechanism of the automatic transfer switch of the present invention in a first state;
FIG. 3 is an enlarged view of a portion of the limit structure of the operating mechanism of the automatic transfer switch of the present invention when the drive wheel is in the second state;
Reference numerals illustrate:
1-a driving wheel; 11-gear region; 12-an operation hole; 2-right transmission mechanism; 21-right limit bar; 211-right arc groove; 3-left transmission mechanism; 31-left limit bar; 311-left arc groove; 4-limiting wheels; 41-notch portions; 42-limiting protrusions; 5-a manual gear; 51-an operating handle; 52-arcuate tooth zone.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
This embodiment provides an operating mechanism of an automatic transfer switch as shown in fig. 1-3, comprising:
A drive wheel 1;
the right transmission mechanism 2 is matched with the driving wheel 1 to move and control the switching on and off of a common power switch;
the left transmission mechanism 3 is matched with the driving wheel 1 to move and control the switching on and off of a standby power switch, and is characterized by further comprising:
The limiting structure comprises a limiting wheel 4 which is connected with the driving wheel 1 and rotates together, a right limiting bar 21 arranged on the right transmission mechanism 2 and a left limiting bar 31 arranged on the left transmission mechanism 3, wherein a notch part 41 is arranged between the right limiting bar 21 and the left limiting bar 31 of the limiting wheel 4;
When the driving wheel 1 is in a first state, that is, the driving wheel 1 rotates anticlockwise to drive the right transmission mechanism 2 to move so as to switch on a common power switch, the notch part 41 points to the right limit bar 21, the limit wheel 4 does not limit the right transmission mechanism 2 to move up and down, and the limit wheel 4 blocks the left transmission mechanism 3 from moving up and down;
When the driving wheel 1 is in the second state, that is, the driving wheel 1 rotates clockwise to drive the left transmission mechanism 3 to move so as to switch on the standby power switch, the notch 41 points to the left limit bar 31, the limit wheel 4 does not limit the left transmission mechanism 3 to move up and down, and the limit wheel 4 blocks the right transmission mechanism 2 from moving up and down;
When the driving wheel 1 is in the intermediate state of the first state and rotates to the second state, that is, the driving wheel 1 is not in contact with the right transmission mechanism 2 and the left transmission mechanism 3, the common power switch is switched off, the standby power switch is switched off, the notch 41 points to the intermediate blank part of the right limit bar 21 and the left limit bar 31, and the limit wheel 4 cooperates with the right limit bar 21 and the left limit bar 31 to limit the right transmission mechanism 2 and the left transmission mechanism 3 to move up and down.
The above embodiment is a core technical solution of this embodiment, the operating mechanism of the automatic transfer switch drives the transmission mechanism on one side to close the switch by rotating the driving wheel 1, and through the cooperation of the limiting wheel 4 and the notch 41 with the right limiting bar 21 and the left limiting bar 31, the simultaneous actions of the right transmission mechanism 2 and the left transmission mechanism 3 are avoided, so that a limiting interlocking mechanism is realized, the driving wheel 1 drives the transmission mechanism on one side to close the switch, and the limiting wheel 4 limits the transmission mechanism on the other side to be unable to move, so that the switch is not opened due to misoperation, and the reliability of power supply is ensured.
In order to avoid limiting wheel 4 is blocked by first spacing 21 with left spacing 31 under normal condition, right spacing 21 is provided with can supply limiting wheel 4 rotates right circular arc groove 211 that passes, left spacing 31 is provided with can supply limiting wheel 4 rotates left circular arc groove 311 that passes, right circular arc groove 211 with left circular arc groove 311 has increased the contact surface with between the limiting wheel 4 simultaneously, makes right spacing 21 with left spacing 31 is blocked more easily when the malfunction, and two switches of automatic change-over switch can not appear closing simultaneously or break off the circumstances emergence of outage suddenly, improves automatic change-over switch's reliability.
As shown in fig. 1, the notch 41 has a fan-shaped structure, one side of the notch is the center of the limit wheel 4 to the inner end point of the right circular arc slot 211, the other side of the notch is the center of the limit wheel 4 to the inner end point of the left circular arc slot 311, and the notch 41 can be aligned with the limit bar on the rotating side rapidly when the limit wheel 4 rotates, so that the blocking of the transmission mechanism is eliminated, the transmission mechanism can move along with the driving wheel 1 to close the switch, and the structure is simple and reliable.
In order to limit the rotation angle of the limiting wheel 4 to be too large, the limiting wheel 4 can still rotate after the switch is closed, as shown in fig. 2-3, a limiting protrusion 42 is arranged on the other side of the limiting wheel 4 corresponding to the notch 41, and the limiting protrusion 41 is located on an extension line of the center line of the notch 42. Meanwhile, when the limit bulge 42 is switched on one side transmission support, a fastening force is applied to the other side transmission support, so that misoperation cannot occur, and the reliability of the automatic transfer switch is improved.
As a preferred embodiment, the notch portion 41 of the driving wheel 1 corresponding to the limiting wheel 4 is provided with a gear area 11 meshed with the right transmission mechanism 2 and the left transmission mechanism 3, so that after the notch portion 41 points to the transmission mechanism, the driving wheel 1 drives the transmission mechanism to move to switch on a switch, and reliability of the interlocking mechanism is guaranteed.
As a preferred embodiment, the center of the driving wheel 1 is provided with an operation hole 12 which can be embedded with a motor shaft, and the driving wheel 1 can be controlled to rotate by a motor to realize the function of automatic switching.
As a preferred embodiment, the operating mechanism is further provided with a manual gear 5 arranged coaxially with said driving wheel 1.
Further, an operation handle 51 is provided on the automatic transfer switch housing, and an arc-shaped tooth area 52 that cooperates with the manual gear 5 is provided at one end of the operation handle 51.
The manual gear 5 and the arc tooth area 52 are matched with each other to drive the driving wheel 1 to rotate, the handle is convenient to operate, and the manual change-over switch can be realized without tools, so that time and labor are saved.
As a preferred embodiment, the manual gear 5, the driving wheel 1 and the limiting wheel 4 are integrally formed, and the integrally formed structure facilitates synchronous rotation between gears, so that reliability of the interlocking mechanism is ensured.
The operation principle of the operation mechanism of the automatic transfer switch of the present embodiment will be described with reference to fig. 1 to 2:
When the driving wheel 1 is in the middle state, as shown in fig. 1, the notch 41 of the limiting wheel 4 points to the middle blank portion of the right limiting bar 21 and the left limiting bar 31, two ends of the limiting wheel 4 are positioned in the right circular arc groove 211 and the left circular arc groove 311, and the right transmission mechanism 2 and the left transmission mechanism 3 are blocked from moving upwards, at this time, the driving wheel 1 is not contacted with the right transmission mechanism 2 and the left transmission mechanism 3, and the common power switch is disconnected and the standby power switch is disconnected.
When the driving wheel 1 rotates anticlockwise from the middle state, the limiting wheel 4 rotates anticlockwise, the notch 41 points to the right limiting bar 21, namely one end of the limiting wheel 4 rotates away from the right circular arc groove 211, blocking of the right transmission mechanism 2 is relieved, at this time, the gear area 11 of the driving wheel 1 and the right transmission mechanism 2 are mutually matched to drive the right transmission mechanism 2 to move upwards, after the driving wheel 1 rotates anticlockwise in place, the driving wheel 1 is in a first state, a common power switch is switched on, the limiting wheel 4 blocks the left transmission mechanism 3 from moving upwards, and a standby power switch is switched off.
When the driving wheel 1 rotates clockwise from the intermediate state, the limiting wheel 4 rotates clockwise, the notch 41 points to the left limiting bar 31, that is, one end of the limiting wheel 4 rotates away from the left circular arc groove 311, blocking of the left transmission mechanism 3 is relieved, at this time, the gear area 11 of the driving wheel 1 is matched with the left transmission mechanism 3 to drive the left transmission mechanism 3 to move upwards, after rotating clockwise to the right position, the driving wheel 1 is in the second state, the standby power switch is switched on, the limiting wheel 4 blocks the right transmission mechanism 2 from moving upwards, and the common power switch is switched off.
It is apparent that the above examples are given by way of illustration only 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. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (5)
1. An operating mechanism for an automatic transfer switch, comprising:
a drive wheel (1);
The right transmission mechanism (2) is matched with the driving wheel (1) to move and control the switching on and off of a common power switch;
the left transmission mechanism (3) is matched with the driving wheel (1) to move and control the switching on and off of the standby power switch, and is characterized by further comprising:
The limiting structure comprises a limiting wheel (4) which is connected with the driving wheel (1) and rotates together, a right limiting bar (21) arranged on the right transmission mechanism (2) and a left limiting bar (31) arranged on the left transmission mechanism (3), wherein a notch part (41) is arranged between the right limiting bar (21) and the left limiting bar (31) of the limiting wheel (4);
When the driving wheel (1) is in a first state, namely the driving wheel (1) rotates anticlockwise to drive the right transmission mechanism (2) to move so as to enable a common power switch to be switched on, the notch part (41) points to the right limit bar (21), the limit wheel (4) does not limit the right transmission mechanism (2) to move up and down, and the limit wheel (4) blocks the left transmission mechanism (3) to move up and down;
when the driving wheel (1) is in a second state, namely the driving wheel (1) rotates clockwise to drive the left transmission mechanism (3) to move so as to switch on the standby power supply switch, the notch part (41) points to the left limit bar (31), the limit wheel (4) does not limit the left transmission mechanism (3) to move up and down, and the limit wheel (4) blocks the right transmission mechanism (2) to move up and down;
When the driving wheel (1) is in an intermediate state from a first state to a second state, namely the driving wheel (1) is not in contact with the right transmission mechanism (2) and the left transmission mechanism (3), a common power switch is used for switching off, a standby power switch is used for switching off, the notch part (41) points to intermediate blank parts of the right limit bar (21) and the left limit bar (31), and the limit wheel (4) is matched with the right limit bar (21) and the left limit bar (31) to limit the right transmission mechanism (2) and the left transmission mechanism (3) to move up and down;
The right limit strip (21) is provided with a right arc groove (211) through which the limit wheel (4) can rotate;
the left limit strip (31) is provided with a left arc groove (311) through which the limit wheel (4) can rotate;
The notch part (41) is of a fan-shaped structure, one side of the notch part is the center of the limit wheel (4) to the inner end point of the right circular arc groove (211), and the other side of the notch part is the center of the limit wheel (4) to the inner end point of the left circular arc groove (311);
A limiting protrusion (42) is arranged on the other side of the limiting wheel (4) corresponding to the notch part (41), and the limiting protrusion (42) is positioned on an extension line of the central line of the notch part (41);
The driving wheel (1) is provided with a gear area (11) which is meshed with the right transmission mechanism (2) and the left transmission mechanism (3) corresponding to the notch part (41) of the limiting wheel (4).
2. The operating mechanism of the automatic transfer switch according to claim 1, wherein the center of the driving wheel (1) is provided with an operating hole (12) which can be embedded with a motor shaft.
3. Operating mechanism for an automatic transfer switch according to any of the claims 1-2, characterized in that a manual gear (5) is also provided coaxially to the driving wheel (1).
4. The operating mechanism of the automatic transfer switch according to claim 3, wherein an operating handle (51) is arranged on the automatic transfer switch shell, and an arc-shaped tooth area (52) which is in matched linkage with the manual gear (5) is arranged at one end of the operating handle (51).
5. An operating mechanism for an automatic transfer switch according to claim 3, characterized in that the manual gear (5) and the driving wheel (1) and the limit wheel (4) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451501.4A CN110137003B (en) | 2019-05-28 | 2019-05-28 | Operating mechanism of automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451501.4A CN110137003B (en) | 2019-05-28 | 2019-05-28 | Operating mechanism of automatic change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110137003A CN110137003A (en) | 2019-08-16 |
| CN110137003B true CN110137003B (en) | 2024-05-31 |
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| CN201910451501.4A Active CN110137003B (en) | 2019-05-28 | 2019-05-28 | Operating mechanism of automatic change-over switch |
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| CN114496671A (en) * | 2022-02-10 | 2022-05-13 | 山东优柏电子科技有限公司 | Control device for switching on and off miniature circuit breaker and working method thereof |
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| KR20090055981A (en) * | 2007-11-29 | 2009-06-03 | 주식회사 신효 | Circuit breaker for gas insulated switchgear |
| CN104134559A (en) * | 2014-08-06 | 2014-11-05 | 浙江现代电气有限公司 | Automatic-switching switch |
| CN104319119A (en) * | 2014-11-18 | 2015-01-28 | 浙江现代电气有限公司 | Automatic change-over switch with manual and automatic switching mechanisms |
| CN207896018U (en) * | 2018-01-19 | 2018-09-21 | 华能阳江风力发电有限公司 | A kind of switch mechanism of disconnecting switch |
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| CN110137003A (en) | 2019-08-16 |
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