CN117672758B - Longitudinal rotation double-isolating-switch electric mechanism - Google Patents
Longitudinal rotation double-isolating-switch electric mechanism Download PDFInfo
- Publication number
- CN117672758B CN117672758B CN202311727955.2A CN202311727955A CN117672758B CN 117672758 B CN117672758 B CN 117672758B CN 202311727955 A CN202311727955 A CN 202311727955A CN 117672758 B CN117672758 B CN 117672758B
- Authority
- CN
- China
- Prior art keywords
- seat
- rotating shaft
- rotating
- isolating
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 68
- 230000005484 gravity Effects 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 8
- 239000010720 hydraulic oil Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- 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
- H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
-
- 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
-
- 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
-
- 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
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
- H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
-
- 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
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
Landscapes
- Mechanisms For Operating Contacts (AREA)
Abstract
The invention is applicable to the field of isolating switch equipment, and discloses a novel longitudinal rotating double-isolating switch electric mechanism which comprises a frame and further comprises: the motor is fixedly connected with the frame, an output shaft of the motor is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with a rotating seat, a plurality of clamping blocks are annularly arranged on the rotating shaft, a plurality of mechanism cavities are formed in the rotating seat around the rotating shaft, a sliding plate is slidably connected in the mechanism cavities, a first gravity sensor is fixedly connected with one side end face of the sliding plate, and a limiting component is abutted between the first gravity sensor and the rotating shaft. According to the novel longitudinal rotary double-isolating-switch electric mechanism, when the switch is closed, under the action of the reverse force of the second spring on the rotating seat, the rotating shaft pushes the clamping seat to shrink into the mechanism cavity, and along with the rotation of the rotating shaft, the rotating seat is kept static under the pushing of the piston rod and the rotating shaft, so that stable contact of the moving contact and the static contact is realized.
Description
Technical Field
The invention particularly relates to the field of isolating switch equipment, in particular to a longitudinal rotating double-isolating switch electric mechanism.
Background
The isolating switch is a switching device mainly used for isolating a power supply, switching operation and switching on and off a low-current circuit. When the isolating switch is in the separated position, the contacts have an insulation distance and an obvious disconnection mark which meet the specified requirements; and when the switch is in the closed position, the switch device can bear the current under the normal loop condition and the current under the abnormal condition in the specified time. The force is not excessively high when the closing action of the isolating switch is finished, so that the impact is avoided, and meanwhile, the main knife switch and the static contact are ensured to be in good contact.
The utility model discloses a isolator electric mechanism that number CN203733692U is prior, operating device includes disc connecting rod, U type clamp, connection turning arm, connecting axle, perpendicular connecting rod, buckle, connection cardboard, interlock turning arm, and the disc connecting rod uses bolt and rotation axis connection, and the other end uses U type clamp and connection turning arm to fix, and connection turning arm reuse bolt and connecting axle connect perpendicular connecting rod, and perpendicular connecting rod lower extreme uses buckle and connection cardboard to be connected with interlock turning arm fixed again, and the interlock turning arm uses on the bolted connection electric operating device. According to the technical scheme, when the high-voltage isolating switch is switched on and off, the electric operating mechanism drives the operating mechanism to rotate so as to drive the rotating shaft, and the rotating shaft drives the linkage insulator connected with the crank arm to rotate, so that the high-voltage isolating switch is switched on and off.
However, in the above scheme, when the switch is closed, since the movement of the knife switch has a certain speed, collision force is easily generated between the moving contact and the fixed contact during the switch-on, thereby causing circuit connection failure. The existing isolating switch electric mechanisms increase the stability of driving force output through the elastic mechanism when in driving, and reduce the collision force between the moving contact and the fixed contact when in closing, thereby ensuring the closing safety. However, the elastic mechanism is difficult to accurately control the closing force during closing, and the moving and static contacts are easy to butt and deform under the action of inertia force during closing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a longitudinal rotation double-isolating-switch electric mechanism, and solves the problem that the conventional isolating-switch electric mechanism is difficult to accurately control the closing force during closing.
The invention is realized in that a longitudinal rotation double-isolating switch electric mechanism comprises a frame and also comprises:
The motor is fixedly connected with the frame, an output shaft of the motor is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with a rotating seat, a plurality of clamping blocks are annularly arranged on the rotating shaft, a plurality of mechanism cavities are arranged on the rotating seat around the rotating shaft, a sliding plate is slidably connected in the mechanism cavities, a first gravity sensor is fixedly connected with one side end face of the sliding plate, a limiting assembly is abutted between the first gravity sensor and the rotating shaft, the limiting assembly can be elastically clamped with the clamping blocks, and a telescopic push rod is arranged between the other side end face of the sliding plate and the inner end face of the mechanism cavity;
The automatic switching device comprises a frame, a rotary seat, a piston rod, a piston plate, a second gravity sensor, a second spring, a linkage mechanism and a second spring, wherein the rotary seat is provided with a chute;
Two isolating switch mechanisms are respectively arranged on two sides of the rotating seat, gears are fixedly connected to the output spindles of the two isolating switch mechanisms, gears on the spindles of the two isolating switch mechanisms on the same side are meshed with each other, a connecting seat is fixedly connected to one gear on one side, and an arc-shaped rod is rotatably connected between the connecting seat and the rotating seat.
Further technical scheme, spacing subassembly includes spring and cassette, the inner wall sliding connection in cassette and mechanism chamber, be provided with spring between cassette and the gravity inductor.
According to a further technical scheme, one end of the clamping seat, which is matched with the clamping block, is tooth-shaped.
According to a further technical scheme, the second gravity sensor, the first gravity sensor and the telescopic push rod are electrically connected with the PLC.
According to the technical scheme, hydraulic oil is filled in the outer sleeve, one end of the piston rod is communicated with the inner portion of the outer sleeve, a plurality of one-way valves which are communicated in a one-way mode in the outer sleeve are communicated with the piston rod, the one-way valves are arranged on one side, deviating from the second spring, of the piston plate, the plurality of the second one-way valves are arranged on the piston plate, and the two one-way valves are communicated to an inner cavity of the outer sleeve on one side of the second spring in a one-way mode.
According to a further technical scheme, three mechanism cavities are arranged on the rotating seat at equal intervals around the rotating shaft.
According to a further technical scheme, two sliding grooves are symmetrically distributed on two sides of the rotating seat.
Further technical scheme, the spout is the bar, and the spout sets up along the length direction of rotating the seat.
Compared with the prior art, the invention has the following beneficial effects:
according to the longitudinal rotary double-isolating-switch electric mechanism provided by the invention, the PLC controls the telescopic push rod to push the sliding plate to slide in the mechanism cavity, and the elastic force data of the first spring is displayed through the first gravity sensor, so that the limiting force of the first spring to the clamping seat is regulated, the clamping seat releases the fixation of the rotating seat and the rotating shaft when the electric motor is switched on, the rotating shaft pushes the clamping seat to shrink into the mechanism cavity under the action of the reverse force of the second spring to the rotating seat, and the rotating seat keeps static under the pushing of the piston rod and the rotating shaft along with the rotation of the rotating shaft; when closing the switch, the stable contact of the moving contact and the fixed contact is realized;
According to the longitudinal rotation double-isolating-switch electric mechanism provided by the invention, the motor drives the rotating shaft to rotate, the first spring pushes the clamping seat to be clamped with the clamping block, so that the rotating seat is fixedly connected with the rotating shaft, the rotating shaft drives the rotating seat to rotate, the rotating seat pushes the piston rod, the piston rod pushes the piston plate to slide in the outer sleeve, at the moment, the second spring is stressed and contracted, and the second spring pushes the piston rod to elastically limit the rotating seat, so that the stability of the knife switch is improved;
According to the longitudinal rotary double-isolating-switch electric mechanism provided by the invention, when the movable contact and the fixed contact are in contact, the limiting component releases the fixation of the rotating shaft and the rotating seat under the elastic force of the second spring, the rotating shaft stops applying larger driving force to the rotating seat, at the moment, the rotating seat stops rotating, and the rotating seat keeps balance under the elastic force of the second spring and the action of the rotating driving force, so that the accurate closing of the isolating switch is realized;
according to the longitudinal rotary double-isolating-switch electric mechanism provided by the invention, when the piston plate slides inwards in the outer sleeve, the second spring is stressed and contracted, hydraulic oil at the lower side of the piston plate enters the piston rod and flows into the cavity at the upper side of the piston plate through the first one-way valve, the expansion stability of the second spring is increased through the resistance action of the hydraulic oil, the accuracy of receiving pressure data of the second gravity sensor by the PLC is further increased, and the control accuracy of the abutting force when the movable contact and the fixed contact are contacted during closing is increased; meanwhile, the hydraulic oil reduces the stress of the second spring, prolongs the service life of the second spring, and further improves the long-term use effect of the longitudinal rotation double-isolating-switch electric mechanism. The invention provides a longitudinal rotation double-isolating switch electric mechanism.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection of a motor to a rotating base;
FIG. 3 is a schematic diagram illustrating the connection of the rotating shaft and the rotating base;
FIG. 4 is a cross-sectional view of the swivel mount;
FIG. 5 is an enlarged schematic view of the area A in FIG. 4;
fig. 6 is a cross-sectional view of the outer sleeve.
In the accompanying drawings: 1. a frame; 2. a motor; 3. a rotating shaft; 4. a rotating seat; 5. a clamping block; 6. a mechanism cavity; 7. a slide plate; 8. a limit component; 81. a first spring; 82. a clamping seat; 9. a first check valve; 10. a first gravity sensor; 11. a telescopic push rod; 12. a chute; 13. a sliding seat; 14. a piston rod; 15. a jacket; 16. a piston plate; 17. a gravity sensor II; 18. a second spring; 19. a second check valve; 20. an arc-shaped rod; 21. a connecting seat; 22. a gear.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 4, the electric mechanism of a longitudinal rotary double isolating switch provided by the invention comprises a frame 1 and further comprises:
The motor 2 is fixedly connected with the frame 1, an output shaft of the motor 2 is fixedly connected with a rotating shaft 3, the rotating shaft 3 is rotationally connected with a rotating seat 4, the rotating shaft 3 is annularly provided with a plurality of clamping blocks 5, the rotating seat 4 is provided with a plurality of mechanism cavities 6 around the rotating shaft 3, a sliding plate 7 is slidably connected in the mechanism cavities 6, a first gravity sensor 10 is fixedly connected with one side end surface of the sliding plate 7, a limiting component 8 is abutted between the first gravity sensor 10 and the rotating shaft 3, the limiting component 8 can be elastically clamped with the clamping blocks 5, and a telescopic push rod 11 is arranged between the other side end surface of the sliding plate 7 and the inner end surface of the mechanism cavity 6;
The rotary seat 4 is provided with a sliding groove 12, the sliding groove 12 is strip-shaped, the sliding groove 12 is arranged along the length direction of the rotary seat 4, a sliding seat 13 is connected in the sliding groove 12 in a sliding manner, the sliding seat 13 is rotationally connected with a piston rod 14, the frame 1 is fixedly provided with a jacket 15, the jacket 15 is connected with a piston plate 16 in a sliding and sealing manner, the piston plate 16 is fixedly connected with one end of the piston rod 14, the inner end surface of the jacket 15 is fixedly provided with a second gravity sensor 17, a second spring 18 is arranged between the second gravity sensor 17 and the piston plate 16, and both ends of the rotary seat 4 can drive an isolating switch mechanism to perform opening and closing operation through a linkage mechanism;
two isolating switch mechanisms are respectively arranged on two sides of the rotating seat 4, the output spindles of the two isolating switch mechanisms are fixedly connected with gears 22, the gears 22 on the spindles of the two isolating switch mechanisms on the same side are meshed with each other, one gear 22 on one side is fixedly connected with a connecting seat 21, and an arc-shaped rod 20 is rotatably connected between the connecting seat 21 and the rotating seat 4.
In the above scheme, the motor 2 is started, the motor 2 drives the rotating shaft 3 to rotate, the limiting component 8 can be elastically clamped with the clamping block 5, so that the rotating seat 4 is fixedly connected with the rotating shaft 3, the rotating shaft 3 drives the rotating seat 4 to rotate, the rotating seat 4 pushes the piston rod 14, the piston rod 14 pushes the piston plate 16 to slide in the outer sleeve 15, at the moment, the second spring 18 is stressed and contracted, the second spring 18 pushes the piston rod 14 to elastically limit the rotating seat 4, and therefore stability of the knife switch is improved;
Under the rotation of rotation seat 4 continuously, no. two spring 18 continuously compresses, and No. two spring 18 increases the reverse effort of rotation seat 4 this moment, and rotation speed of rotation seat 4 descends, and when the moving and static contact contacted, under the elastic force of No. two spring 18, spacing subassembly 8 releases the fixed of pivot 3 and rotation seat 4, and pivot 3 stops applying bigger driving force to rotation seat 4, and rotation seat 4 stops rotating this moment, and rotation seat 4 keeps balanced under the elastic force of No. two spring 18 and the driving force of pivot 3 to realize isolator's accurate combined floodgate.
In the embodiment of the present invention, as shown in fig. 5, as a preferred embodiment of the present invention, the limit component 8 includes a first spring 81 and a clamping seat 82, the clamping seat 82 is slidably connected with the inner wall of the mechanism cavity 6, the first spring 81 is disposed between the clamping seat 82 and the first gravity sensor 10, and one end of the clamping seat 82 matched with the clamping block 5 is in a tooth shape; the first spring 81 pushes the clamping seat 82 to be clamped with the clamping block 5, when the rotating shaft 3 rotates, the rotating shaft 3 drives the rotating seat 4 to rotate through the clamping seat 82 and the clamping block 5, but when the pushing force of the piston rod 14 to the rotating seat 4 is large enough, the rotating seat 4 cannot rotate, and at the moment, the rotating shaft 3 pushes the clamping seat 82 to move towards the mechanism cavity 6, and the first spring 81 is stressed to shrink.
In the embodiment of the present invention, as a preferred embodiment of the present invention, the second gravity sensor 17, the first gravity sensor 10 and the telescopic push rod 11 are all electrically connected to the PLC controller;
In the scheme, the rotation angle of the rotating seat 4 during closing is calculated through the rotation angle of the knife, then the elastic force data of the second spring 18 after the rotating seat 4 rotates by the angle is displayed through the second gravity sensor 17, the reverse moment of the piston rod 14 on the rotating seat 4 is calculated, and the driving force of the rotating shaft 3 equal to the reverse moment is calculated;
the PLC controller controls the telescopic push rod 11 to push the sliding plate 7 to slide in the mechanism cavity 6, elastic force data of the first spring 81 is displayed through the first gravity sensor 10, so that limiting force of the first spring 81 to the clamping seat 82 is adjusted, the clamping seat 82 releases fixation of the rotating seat 4 and the rotating shaft 3 during closing, the rotating shaft 3 pushes the clamping seat 82 to shrink into the mechanism cavity 6 under the action of reverse force of the second spring 18 to the rotating seat 4, and the rotating seat 4 keeps static under the pushing of the piston rod 14 and the rotating shaft 3 along with rotation of the rotating shaft 3; and when the switch is closed, stable contact of the moving contact and the fixed contact is realized.
In the embodiment of the present invention, as shown in fig. 6, as a preferred embodiment of the present invention, the outer sleeve 15 is filled with hydraulic oil, one end of the piston rod 14 is communicated with the inner portion of the outer sleeve 15, the piston rod 14 is communicated with a plurality of first check valves 9 which are unidirectionally conducted into the outer sleeve 15, the first check valves 9 are disposed on a side of the piston plate 16 facing away from the second spring 18, the piston plate 16 is provided with a plurality of second check valves 19, and the second check valves 19 are unidirectionally conducted to an inner cavity of the outer sleeve 15 on the side of the second spring 18.
In the above scheme, when the piston plate 16 slides inwards in the outer sleeve 15, the No. two springs 18 are stressed and contracted, at this time, hydraulic oil at the lower side of the piston plate 16 enters the piston rod 14 and flows into the cavity at the upper side of the piston plate 16 through the No. one-way valve 9, and the expansion stability of the No. two springs 18 is increased under the resistance action of the hydraulic oil, so that the accuracy of receiving pressure data of the No. two gravity sensors 17 by the PLC is increased, and the control accuracy of the abutting force when the movable contact and the fixed contact are contacted during closing is increased; meanwhile, the hydraulic oil reduces the stress of the second spring 18, prolongs the service life of the second spring 18, and further improves the long-term use effect of the longitudinal rotary double-isolating-switch electric mechanism.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, three mechanism cavities 6 are disposed on the rotating base 4 at equal intervals around the rotating shaft 3, so as to increase the connection effect between the rotating shaft 3 and the rotating base 4.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, two sliding grooves 12 are symmetrically distributed on two sides of the rotating seat 4, and the stability of the rotating seat 4 during rotation is increased by limiting two piston rods 14.
Working principle:
In the scheme, the rotation angle of the rotating seat 4 during closing is calculated through the rotation angle of the knife, then the elastic force data of the second spring 18 after the rotating seat 4 rotates by the angle is displayed through the second gravity sensor 17, the reverse moment of the piston rod 14 on the rotating seat 4 is calculated, and the driving force of the rotating shaft 3 equal to the reverse moment is calculated;
The PLC controller controls the telescopic push rod 11 to push the sliding plate 7 to slide in the mechanism cavity 6, elastic force data of the first spring 81 is displayed through the first gravity sensor 10, so that limiting force of the first spring 81 to the clamping seat 82 is adjusted, the clamping seat 82 releases fixation of the rotating seat 4 and the rotating shaft 3 during closing, the rotating shaft 3 pushes the clamping seat 82 to shrink into the mechanism cavity 6 under the action of reverse force of the second spring 18 to the rotating seat 4, and the rotating seat 4 keeps static under the pushing of the piston rod 14 and the rotating shaft 3 along with rotation of the rotating shaft 3; when closing the switch, the stable contact of the moving contact and the fixed contact is realized;
When the switch-on is performed, the motor 2 is started, the motor 2 drives the rotating shaft 3 to rotate, the first spring 81 pushes the clamping seat 82 to be clamped with the clamping block 5, so that the rotating seat 4 is fixedly connected with the rotating shaft 3, the rotating shaft 3 drives the rotating seat 4 to rotate, the rotating seat 4 pushes the piston rod 14, the piston rod 14 pushes the piston plate 16 to slide in the outer sleeve 15, at the moment, the second spring 18 is stressed and contracted, the second spring 18 pushes the piston rod 14 to elastically limit the rotating seat 4, and therefore stability of the switch-on knife is improved;
Under the continuous rotation of the rotating seat 4, the second spring 18 continuously compresses, the reverse acting force of the second spring 18 on the rotating seat 4 is increased, the rotating speed of the rotating seat 4 is reduced, when the moving contact is contacted with the fixed contact, the limiting component 8 releases the fixation of the rotating shaft 3 and the rotating seat 4 under the elastic force of the second spring 18, the rotating shaft 3 stops applying a larger driving force to the rotating seat 4, at the moment, the rotating seat 4 stops rotating, and the rotating seat 4 keeps balance under the elastic force of the second spring 18 and the driving force of the rotating shaft 3, so that the accurate closing of the isolating switch is realized;
When the piston plate 16 slides inwards in the outer sleeve 15, the second spring 18 is stressed and contracted, at the moment, hydraulic oil at the lower side of the piston plate 16 enters the piston rod 14 and flows into a cavity at the upper side of the piston plate 16 through the first one-way valve 9, the expansion stability of the second spring 18 is increased under the resistance action of the hydraulic oil, the accuracy of receiving pressure data of the second gravity sensor 17 by the PLC is further increased, and the control accuracy of the abutting force when the movable contact and the fixed contact are contacted during closing is increased; meanwhile, the hydraulic oil reduces the stress of the second spring 18, prolongs the service life of the second spring 18, and further improves the long-term use effect of the longitudinal rotary double-isolating-switch electric mechanism.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A longitudinal rotary double-isolating-switch electric mechanism, comprising a frame (1), characterized in that it further comprises:
The motor (2) is fixedly connected with the frame (1), an output shaft of the motor (2) is fixedly connected with a rotating shaft (3), the rotating shaft (3) is rotationally connected with a rotating seat (4), a plurality of clamping blocks (5) are annularly arranged on the rotating shaft (3), a plurality of mechanism cavities (6) are arranged on the rotating seat (4) around the rotating shaft (3), a sliding plate (7) is slidably connected in the mechanism cavities (6), a gravity sensor (10) is fixedly connected to one side end surface of the sliding plate (7), a limiting component (8) is abutted between the gravity sensor (10) and the rotating shaft (3), the limiting component (8) can be elastically clamped with the clamping blocks (5), and a telescopic push rod (11) is arranged between the other side end surface of the sliding plate (7) and the inner end surface of the mechanism cavities (6);
The automatic switching device is characterized in that a sliding groove (12) is formed in the rotating seat (4), a sliding seat (13) is connected in the sliding groove (12) in a sliding mode, a piston rod (14) is connected to the sliding seat (13) in a rotating mode, an outer sleeve (15) is fixedly arranged on the frame (1), a piston plate (16) is connected to the outer sleeve (15) in a sliding sealing mode, the piston plate (16) is fixedly connected with one end of the piston rod (14), a second gravity sensor (17) is fixedly arranged on the inner end face of the outer sleeve (15), a second spring (18) is arranged between the second gravity sensor (17) and the piston plate (16), and both ends of the rotating seat (4) can drive the isolating switch mechanism to conduct switching-on and switching-off operations through a linkage mechanism.
2. The longitudinal rotary double-isolating-switch electric mechanism according to claim 1, wherein the limiting assembly (8) comprises a first spring (81) and a clamping seat (82), the clamping seat (82) is slidably connected with the inner wall of the mechanism cavity (6), and the first spring (81) is arranged between the clamping seat (82) and the first gravity sensor (10).
3. The longitudinal rotary double-isolating-switch electric mechanism according to claim 2, wherein one end of the clamping seat (82) matched with the clamping block (5) is tooth-shaped.
4. The longitudinal rotary double-isolating-switch electric mechanism according to claim 1, wherein the gravity sensor No. two (17), the gravity sensor No. one (10) and the telescopic push rod (11) are electrically connected with the PLC controller.
5. The longitudinal rotary double-isolating-switch electric mechanism according to claim 1, wherein one end of the piston rod (14) is communicated with the inside of the outer sleeve (15), the piston rod (14) is communicated with a plurality of first check valves (9), the first check valves (9) are arranged on one side, away from the second spring (18), of the piston plate (16), and the piston plate (16) is provided with a plurality of second check valves (19).
6. The longitudinal rotary double-isolating-switch electric mechanism according to claim 1, characterized in that three mechanism cavities (6) are arranged on the rotating seat (4) at equal intervals around the rotating shaft (3).
7. The longitudinal rotary double-isolating-switch electric mechanism according to claim 1, wherein two sliding grooves (12) are symmetrically distributed on two sides of the rotating seat (4).
8. The longitudinal rotary double-isolating-switch electric mechanism according to claim 1, wherein the sliding groove (12) is strip-shaped, and the sliding groove (12) is arranged along the length direction of the rotary seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311727955.2A CN117672758B (en) | 2023-12-15 | 2023-12-15 | Longitudinal rotation double-isolating-switch electric mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311727955.2A CN117672758B (en) | 2023-12-15 | 2023-12-15 | Longitudinal rotation double-isolating-switch electric mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117672758A CN117672758A (en) | 2024-03-08 |
| CN117672758B true CN117672758B (en) | 2024-05-28 |
Family
ID=90078673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311727955.2A Active CN117672758B (en) | 2023-12-15 | 2023-12-15 | Longitudinal rotation double-isolating-switch electric mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117672758B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0514488D0 (en) * | 2002-09-11 | 2005-08-17 | Eaton Corp | An isolation switch for electric power systems |
| CN2881930Y (en) * | 2004-02-02 | 2007-03-21 | 范高潮 | Outdoor high-voltage isolating switch |
| CN101582336A (en) * | 2009-06-15 | 2009-11-18 | 江苏省电力公司泰州供电公司 | Electric operation mechanism with double output shafts for AC high voltage isolating switch |
| CN101770890A (en) * | 2009-12-29 | 2010-07-07 | 中国西电电气股份有限公司 | Double-column vertical cut-off high voltage isolation switch |
| CN201956258U (en) * | 2010-11-09 | 2011-08-31 | 河南平高电气股份有限公司 | Novel high-voltage direct-current isolating switch |
| CN203165786U (en) * | 2013-04-09 | 2013-08-28 | 中国西电电气股份有限公司 | High-voltage disconnector electric-conduction disconnecting link with rotation/turnover structure |
| CN104319150A (en) * | 2014-10-31 | 2015-01-28 | 河南平高电气股份有限公司 | Isolating switch and intercolumnar power transmission device thereof |
| CN104319151A (en) * | 2014-10-31 | 2015-01-28 | 德力西电气有限公司 | Breaking visual disconnecting switch |
| CN104319157A (en) * | 2014-11-20 | 2015-01-28 | 河南平高电气股份有限公司 | Isolation switch |
| CN204178992U (en) * | 2014-11-05 | 2015-02-25 | 中国西电电气股份有限公司 | The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch |
| CN110189955A (en) * | 2019-06-17 | 2019-08-30 | 浙江奔一电气有限公司 | A kind of double-energy storage operating mechanism of disconnecting switch |
| CN212516998U (en) * | 2020-07-24 | 2021-02-09 | 陕西高嘉电力科技有限公司 | Direct control device for contact net isolating switch |
| CN213905225U (en) * | 2020-12-30 | 2021-08-06 | 重庆众恒电器有限公司 | Isolating switch with limiting device |
| CN216015178U (en) * | 2021-11-11 | 2022-03-11 | 河北华远电力器材有限公司 | Three-column horizontal rotation type isolating switch |
| CN114446700A (en) * | 2021-12-22 | 2022-05-06 | 平高集团有限公司 | Double-break isolating switch |
| CN114783813A (en) * | 2021-12-23 | 2022-07-22 | 平高集团有限公司 | Double-break isolating switch |
| CN217690935U (en) * | 2022-06-20 | 2022-10-28 | 上海西门子高压开关有限公司 | Double-fracture isolating switch |
| CN115775696A (en) * | 2022-12-19 | 2023-03-10 | 中铁建电气化局集团西安电气化制品有限公司 | Operating mechanism of isolating switch or grounding switch |
| CN219575491U (en) * | 2022-12-28 | 2023-08-22 | 上海泛谱电力保护设备有限公司 | Isolation switch |
| CN219658603U (en) * | 2023-04-21 | 2023-09-08 | 江苏大全凯帆电器有限公司 | A kind of isolation switch opening and closing limit protection device |
| CN116799653A (en) * | 2023-02-14 | 2023-09-22 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | A safety control device for electric power equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6723939B2 (en) * | 2002-09-11 | 2004-04-20 | Eaton Corporation | Isolation switch for electric power systems |
-
2023
- 2023-12-15 CN CN202311727955.2A patent/CN117672758B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0514488D0 (en) * | 2002-09-11 | 2005-08-17 | Eaton Corp | An isolation switch for electric power systems |
| CN2881930Y (en) * | 2004-02-02 | 2007-03-21 | 范高潮 | Outdoor high-voltage isolating switch |
| CN101582336A (en) * | 2009-06-15 | 2009-11-18 | 江苏省电力公司泰州供电公司 | Electric operation mechanism with double output shafts for AC high voltage isolating switch |
| CN101770890A (en) * | 2009-12-29 | 2010-07-07 | 中国西电电气股份有限公司 | Double-column vertical cut-off high voltage isolation switch |
| CN201956258U (en) * | 2010-11-09 | 2011-08-31 | 河南平高电气股份有限公司 | Novel high-voltage direct-current isolating switch |
| CN203165786U (en) * | 2013-04-09 | 2013-08-28 | 中国西电电气股份有限公司 | High-voltage disconnector electric-conduction disconnecting link with rotation/turnover structure |
| CN104319150A (en) * | 2014-10-31 | 2015-01-28 | 河南平高电气股份有限公司 | Isolating switch and intercolumnar power transmission device thereof |
| CN104319151A (en) * | 2014-10-31 | 2015-01-28 | 德力西电气有限公司 | Breaking visual disconnecting switch |
| CN204178992U (en) * | 2014-11-05 | 2015-02-25 | 中国西电电气股份有限公司 | The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch |
| CN104319157A (en) * | 2014-11-20 | 2015-01-28 | 河南平高电气股份有限公司 | Isolation switch |
| CN110189955A (en) * | 2019-06-17 | 2019-08-30 | 浙江奔一电气有限公司 | A kind of double-energy storage operating mechanism of disconnecting switch |
| CN212516998U (en) * | 2020-07-24 | 2021-02-09 | 陕西高嘉电力科技有限公司 | Direct control device for contact net isolating switch |
| CN213905225U (en) * | 2020-12-30 | 2021-08-06 | 重庆众恒电器有限公司 | Isolating switch with limiting device |
| CN216015178U (en) * | 2021-11-11 | 2022-03-11 | 河北华远电力器材有限公司 | Three-column horizontal rotation type isolating switch |
| CN114446700A (en) * | 2021-12-22 | 2022-05-06 | 平高集团有限公司 | Double-break isolating switch |
| CN114783813A (en) * | 2021-12-23 | 2022-07-22 | 平高集团有限公司 | Double-break isolating switch |
| CN217690935U (en) * | 2022-06-20 | 2022-10-28 | 上海西门子高压开关有限公司 | Double-fracture isolating switch |
| CN115775696A (en) * | 2022-12-19 | 2023-03-10 | 中铁建电气化局集团西安电气化制品有限公司 | Operating mechanism of isolating switch or grounding switch |
| CN219575491U (en) * | 2022-12-28 | 2023-08-22 | 上海泛谱电力保护设备有限公司 | Isolation switch |
| CN116799653A (en) * | 2023-02-14 | 2023-09-22 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | A safety control device for electric power equipment |
| CN219658603U (en) * | 2023-04-21 | 2023-09-08 | 江苏大全凯帆电器有限公司 | A kind of isolation switch opening and closing limit protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117672758A (en) | 2024-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9754736B2 (en) | Motor cam operating mechanism and transmission mechanism thereof | |
| BR112014021584B1 (en) | on-load tap-changer for uninterrupted switching between different winding taps of a tap-changer | |
| CN117092500B (en) | Circuit breaker reliability detection device | |
| CN119086057B (en) | A precision reducer running performance test equipment | |
| CN117672758B (en) | Longitudinal rotation double-isolating-switch electric mechanism | |
| CN100356492C (en) | Energy-storage isolating switch | |
| CN212485211U (en) | Operating device and circuit breaker of circuit breaker | |
| CN113097003A (en) | Isolating switch | |
| CN214753419U (en) | Split contact mechanism for tapping switch | |
| CN111398807B (en) | Limit switch quality detection device | |
| CN111415847A (en) | Elastic clamping protection device for motor capable of being used bidirectionally | |
| CN110806309B (en) | Testing device for contactor | |
| CN214542001U (en) | Energy storage crank arm structure of sulfur hexafluoride breaker | |
| JPS5926134Y2 (en) | Valve drive device | |
| CN205845732U (en) | An electric operation module of a direct-acting three-position isolating switch | |
| CN219873204U (en) | Dual-power transfer switch | |
| CN113889382B (en) | ABB switch BLG1002A mechanism opening and closing spring adjusting tool and box | |
| CN218274305U (en) | Pre-action prevention and control device applied to spring mechanism | |
| CN109509647B (en) | Operating mechanism and switching device thereof | |
| CN110189940B (en) | Dual-power automatic transfer switch | |
| CN222734826U (en) | A three-position dual power transfer switch | |
| CN109427494A (en) | A kind of dedicated on-load voltage regulating switch of distribution transformer | |
| CN219254783U (en) | Multi-angle deflection rotating device | |
| CN216871828U (en) | Direct-acting grounding switch and moving end part thereof | |
| CN114123422A (en) | Charging device and method capable of achieving multi-degree-of-freedom self-adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |