CN108597942B - Closing interlocking mechanism of pole-mounted switch - Google Patents
Closing interlocking mechanism of pole-mounted switch Download PDFInfo
- Publication number
- CN108597942B CN108597942B CN201810619045.5A CN201810619045A CN108597942B CN 108597942 B CN108597942 B CN 108597942B CN 201810619045 A CN201810619045 A CN 201810619045A CN 108597942 B CN108597942 B CN 108597942B
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- shaft
- closing
- isolating
- plate
- isolation
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- 238000002955 isolation Methods 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 10
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/50—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
Abstract
And a closing interlocking mechanism of the column switch. The problem that the existing pole-mounted switch does not have interlocking capability between a closing main shaft and an isolating shaft during closing is solved, and misoperation is easy to cause. The method is characterized in that: the isolation interlocking lever (161) comprises a locking position which is propped against the bottom of the first plate under the action of the second elastic piece (162) and an unlocking position which is pushed by the isolation shaft crank arm (21) to leave the first plate to enable the closing half shaft to rotate when the isolation shaft is closed; when the isolation interlocking lever (161) is in an unlocking position, a notch groove of the isolation interlocking lever is aligned with the closing buckle plate, so that the closing main shaft can rotate. The invention provides a closing interlocking mechanism of a column switch, which is characterized in that a closing main shaft and an isolation shaft are interlocked through an isolation interlocking lever, and when a switch is opened, the closing main shaft can be closed by opening the isolation switch, so that the structure is simple, and the use is safe.
Description
Technical Field
The invention relates to the field of high-voltage switches, in particular to a closing interlocking mechanism of a pole-mounted switch.
Background
The current on-pole switches sold in the market are various in variety, and the on-pole circuit breakers, on-pole load switches and on-pole disconnecting switches are common. The pole-mounted circuit breaker is mainly used for sectionalized switching, control and protection of distribution line intervals, and can switch on and off short-circuit current; the pole load switch has the capacity of bearing, switching on and off rated current, but can not break short-circuit current, and is mainly used for sectioning and fault isolation of a circuit; the column isolating switch is mainly used for isolating circuits, has obvious fractures in the opening state, and is convenient for line maintenance and reconfiguration operation modes.
However, the existing column switch does not have the interlocking capability between the closing main shaft and the isolating shaft during closing, and misoperation is easy to cause.
Disclosure of Invention
In order to overcome the defects of the background technology, the invention provides a closing interlocking mechanism of a pole-mounted switch, which mainly solves the problem that the existing pole-mounted switch has no interlocking capability between a closing main shaft and an isolating shaft when being closed, and is easy to cause misoperation.
The technical scheme adopted by the invention is as follows:
the on-column switch closing interlocking mechanism comprises a fixing frame, wherein the fixing frame is rotatably provided with an isolating shaft, a closing main shaft, an indicating shaft, a closing half shaft and an isolating interlocking lever, the on-column switch closing interlocking mechanism further comprises a closing buckle shaft, a rotatable closing buckle plate is arranged on the opening buckle shaft, a notch groove is formed in the circumferential outer wall of the closing half shaft corresponding to the opening buckle plate, a first plate capable of synchronously rotating is arranged at one end of the closing half shaft, a second plate is arranged at the other end of the closing half shaft corresponding to a closing actuator, a rotatable pushing piece is arranged on the closing main shaft, the pushing piece is pressed against one side of the closing buckle plate under the action of a third elastic piece, the other side of the closing buckle plate is in pressing fit with the circumferential outer wall of the closing half shaft, and an isolating shaft turning arm is arranged on the isolating shaft; the isolation interlocking lever comprises a locking position which is propped against the bottom of the first plate under the action of the second elastic piece and an unlocking position which is pushed by the isolation shaft crank arm to leave the first plate to enable the closing half shaft to rotate when the isolation shaft is closed; when the isolation interlocking lever is in an unlocking position, the notch groove of the closing half shaft is aligned with the closing buckle plate, so that the closing main shaft can rotate.
And a third plate is arranged on the closing half shaft and corresponds to the poking pin, and the third plate is used for enabling the opening and closing shaft to be unable to rotate towards the closing direction when the isolation interlocking lever is positioned at the locking position and is correspondingly arranged below the poking pin.
The pushing piece is a closing roller arranged at the eccentric position of the closing main shaft.
The brake is characterized by further comprising a driving wheel meshed with the closing main shaft, a ratchet wheel is meshed with one side of the driving wheel, and a pawl matched with the ratchet wheel is arranged on the fixing frame.
The isolating shaft crank arm is used for propping against the upper end face of one end of the isolating interlocking lever when the isolating shaft is switched on, so that the other end of the isolating interlocking lever is far away from the first plate.
The isolating shaft is further provided with a second isolating shaft crank arm, one side of the second isolating shaft crank arm is provided with the first plate, and the other side of the second isolating shaft crank arm is connected with an isolating shaft pressure spring.
The front end of the closing main shaft is provided with a rotary table which synchronously rotates, and the rotary table is connected with a closing tension spring.
The switch-on interlocking mechanism of the column switch further comprises a fixing frame, the fixing frame is rotatably provided with the isolating shaft, the switching-on shaft, the indicating shaft, the switching-off half shaft and the first interlocking lever,
the switching shaft is provided with a poking pin, and the switching shaft drives the switching half shaft to rotate through the poking pin when rotating;
the brake release buckle shaft is provided with a rotatable brake release buckle plate, and a first avoiding groove is formed in the circumferential outer wall of the brake release half shaft and corresponds to the brake release buckle plate;
the first indication shaft crank arm is pressed against one side of the brake separating buckle plate under the action of the elastic piece;
the indicating shaft comprises a first position, in which a brake separating buckle plate is pressed against the circumferential outer wall of the brake separating half shaft during brake closing, and a second position, in which the brake separating buckle plate rotates through the first avoiding groove under the action of the elastic piece, during brake separating, the brake separating half shaft rotates;
the isolating shaft is provided with an isolating shaft crank arm, the first interlocking lever is propped against the isolating shaft crank arm when the indicating shaft is in a first position to enable the isolating shaft to be unable to rotate, and the first interlocking lever is separated from the isolating shaft crank arm when the indicating shaft is in a second position to enable the isolating shaft to be rotatable.
The indicating shaft is further provided with a limiting crank arm, when the indicating shaft is in a first position, the upper end of the first interlocking lever is propped against the bottom of the limiting crank arm, the lower end of the first interlocking lever is propped against the top of the isolating shaft crank arm, and the indicating shaft further comprises a first tension spring for propping the upper end of the first interlocking lever against the limiting crank arm.
The circuit breaker comprises a switching shaft, a movable contact rod and a static contact rod, wherein the switching shaft rotates to drive the movable contact rod to contact with or separate from the static contact rod, the circuit breaker further comprises a contact seat electrically connected with the movable contact rod,
the isolating switch assembly comprises an isolating shaft, a first moving contact is arranged on the isolating shaft, and the isolating switch assembly further comprises an output rod, wherein the isolating shaft is used for enabling the output rod to be electrically connected with or disconnected from the touch seat when rotating.
One end of the isolating shaft is arranged outside the shell, and one end of the separating shaft is arranged outside the shell, and the other end of the separating shaft is arranged outside the second operating handle.
The first moving contact is two contact plates arranged on the outer wall of the isolation shaft, a clamping groove is formed between the contact plates, a first protruding block used for being matched with the clamping groove in a clamping mode is arranged on the output rod, and a second protruding block used for being matched with the clamping groove in a clamping mode is arranged on the contact base.
The movable contact rod is characterized by further comprising a spring contact finger arranged on the outer wall of one end of the movable contact rod, and the contact seat is sleeved on the outer wall of the spring contact finger.
The split shaft is provided with a first crank arm, the first crank arm is connected with a first connecting rod, a hinged second connecting rod is further arranged in the shell, the upper end of the second connecting rod is hinged with the first connecting rod, and the lower end of the second connecting rod is hinged with the movable contact rod.
The vacuum arc-extinguishing chamber is further provided with a second movable contact, one end of the movable contact rod stretches into the vacuum arc-extinguishing chamber, and one end of the static contact rod stretches into the vacuum arc-extinguishing chamber to be provided with a static contact.
The indicating shaft is also provided with a second indicating shaft crank arm, and the second indicating shaft crank arm is provided with the elastic piece.
The elastic piece is a pressure spring.
The brake separating half shaft is provided with a first pinch plate and a second pinch plate, the first pinch plate is correspondingly arranged with the first indicating shaft crank arm, and the second pinch plate is correspondingly arranged with the brake separating actuator.
The brake separating buckle plate shaft is also provided with a first reset torsion spring, and one supporting leg of the first reset torsion spring is propped against the upper end face of the brake separating buckle plate.
The first indicating shaft crank arm is provided with a roller, the brake separating buckle plate is provided with a retaining detent, and the retaining detent is in abutting fit with the roller.
The retaining pawl is hinged with the separating brake buckle plate, the retaining pawl comprises a contact surface which is pressed against the separating brake buckle plate, a second torsion spring is arranged on the separating brake buckle plate, and one supporting leg of the second torsion spring is pressed against the bottom of the retaining pawl.
The beneficial effects of the invention are as follows: the invention provides a closing interlocking mechanism of a column switch, which is characterized in that a closing main shaft and an isolation shaft are interlocked through an isolation interlocking lever, and when a switch is opened, the closing main shaft can be closed by opening the isolation switch, so that the structure is simple, and the use is safe.
Drawings
Fig. 1 is a schematic perspective view of a pole mounted switch according to one embodiment of the present invention.
Fig. 2 is a schematic perspective view of an isolation interlock lever in accordance with one embodiment of the present invention in a locked position.
FIG. 3 is a partial cross-sectional view of an isolation interlock lever of one embodiment of the present invention in a locked position.
Fig. 4 is a schematic perspective view of an embodiment of the present invention.
Fig. 5 is a schematic top view of an embodiment of the present invention.
Fig. 6 is a partial schematic view of an indicator shaft according to an embodiment of the invention in a first position.
Fig. 7 is a schematic rear view of an indicator shaft according to an embodiment of the invention in a first position.
Fig. 8 is a schematic perspective view of an indicator shaft according to an embodiment of the invention in a second position.
Fig. 9 is a partial schematic view of an indicator shaft according to an embodiment of the invention in a second position.
FIG. 10 is a partial schematic view of an indicator shaft according to one embodiment of the invention in a second position.
FIG. 11 is a schematic perspective view of a brake release half shaft according to one embodiment of the present invention.
Fig. 12 is a perspective view of an indicating shaft according to an embodiment of the present invention.
Fig. 13 is an internal perspective view of a pole mounted switch according to one embodiment of the present invention.
Fig. 14 is a schematic partial cross-sectional view of a pole mounted switch in accordance with one embodiment of the invention.
Fig. 15 is an enlarged schematic view at a in fig. 14.
Fig. 16 is an internal perspective view of a pole mounted switch according to one embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings: as shown in the figure, the closing interlocking mechanism of the column switch comprises a fixing frame 1 and is characterized in that: the isolating shaft 2, the closing main shaft 8, the indicating shaft 4, the closing half shaft 7 and the isolating interlocking lever 161 are rotatably arranged on the fixing frame, the isolating shaft further comprises a closing buckle shaft 70, a rotatable closing buckle 701 is arranged on the opening buckle shaft, a notch groove 702 is formed in the circumferential outer wall of the closing half shaft corresponding to the opening buckle, a first plate 71 which rotates synchronously is arranged at one end of the closing half shaft, a second plate 73 is arranged at the other end of the closing half shaft corresponding to the closing actuator 56, a rotatable pushing piece 81 is arranged on the closing main shaft 8, the pushing piece is pressed against one side of the closing buckle under the action of a third elastic piece, the other side of the closing buckle is in pressing fit with the circumferential outer wall of the closing half shaft, and an isolating shaft turning arm 21 is arranged on the isolating shaft; the isolating interlocking lever 161 comprises a locking position which is pressed against the bottom of the first plate under the action of the second elastic piece 162 and an unlocking position which is pushed by the isolating shaft crank arm 21 to leave the first plate to enable the closing half shaft to rotate when the isolating shaft is closed; when the isolation interlocking lever 161 is in the unlocking position, the notch groove of the closing half shaft is aligned with the closing buckle plate, so that the closing main shaft can rotate.
When the switch-on is needed, the switch-on main shaft rotates anticlockwise, however, at the moment, the switch-on half shaft corresponds to the switch-on buckle plate through the outer wall, the switch-on buckle plate is blocked by the switch-on half shaft and cannot rotate, so that the switch-on main shaft jacked by the other end of the switch-on buckle plate cannot rotate, the switch-on tension spring arranged on the main shaft stores energy, the isolating switch is required to rotate to the switch-on position, the isolating interlock lever can rotate clockwise in the rotating process of the isolating switch, the other end of the isolating interlock switch is not arranged below the first plate, and therefore, under the action of a switch-on actuator, the switch-on half shaft rotates to enable a notch groove of the isolating switch-on buckle plate to rotate, the switch-on main shaft is unlocked, and at the moment, the switch-on main shaft can rotate clockwise to switch on the post. Preferably, the force of the first plate to the isolation interlocking lever passes through the hinge point of the isolation interlocking lever, namely, the first plate is perpendicular to one side of the isolation interlocking lever, so that the first plate can be better blocked, and the locking is more stable.
In this embodiment, as shown in the drawing, a third plate 72 is further disposed on the closing half shaft and corresponds to the poking pin, where the third plate is used to be disposed below the poking pin correspondingly when the isolation interlocking lever is in the locking position, so that the separating and shaft cannot rotate in the closing direction. On the other hand, on the hand-operated switch-on, the third plate is used for blocking the poking pin to enable the switch-on and switch-off to rotate in the direction of no super switch-on, wherein the switch-on direction is clockwise, so that the use safety is further improved.
In this embodiment, as shown in the figure, a third plate 72 is further disposed on the closing half shaft and corresponds to the poking pin, where the third plate is used to be disposed below the poking pin correspondingly when the isolation interlocking lever is in the locking position, so that the separating and shaft cannot rotate in the closing direction. The poking pin can be better blocked, so that the system cannot be switched on manually.
In this embodiment, as shown in the drawing, the pushing member is a closing roller disposed at an eccentric position of the closing spindle. The use effect is better.
In this embodiment, as shown in the figure, the device further comprises a driving wheel 85 meshed with the closing main shaft, one side of the driving wheel is further meshed with a ratchet 86, and a pawl 87 matched with the ratchet is further arranged on the fixing frame 1. Plays a role of locking and is safer to use.
In this embodiment, as shown in the drawing, the isolating shaft lever 21 is used to press the upper end surface of one end of the isolating interlocking lever when the isolating shaft is closed, so that the other end of the isolating interlocking lever is far away from the first plate.
In this embodiment, as shown in the figure, a second isolating shaft crank arm 26 is further disposed on the isolating shaft, one side of the second isolating shaft crank arm is provided with the first plate, and the other side is connected with an isolating shaft compression spring 27.
In this embodiment, as shown in the figure, the front end of the closing spindle is provided with a rotary table 88 that rotates synchronously, and a closing tension spring 89 is connected to the rotary table.
The pole-mounted switch with the switch-on interlocking mechanism comprises a shell 9, wherein a circuit breaker assembly and a disconnecting switch assembly are arranged in the shell, the circuit breaker assembly comprises a switching-on and switching-off shaft 3, a movable contact rod 810 and a static contact rod 82, the movable contact rod is driven to be contacted with or separated from the static contact rod when the switching-on and switching-off shaft rotates, the pole-mounted switch further comprises a contact seat 811 electrically connected with the movable contact rod 810, the disconnecting switch assembly comprises a disconnecting shaft 2, a first movable contact 201 is arranged on the disconnecting shaft, the pole-mounted switch further comprises an output rod 91, and the disconnecting shaft is used for enabling the output rod to be electrically connected with or disconnected from the contact seat when the disconnecting shaft rotates. The static contact rod is a circuit entering end, the output rod is a circuit output end, when the circuit is connected, the movable contact rod is required to be in contact with the static contact rod, and the isolating switch is used for communicating the output rod with the touch seat, so that the circuit is safer and misoperation is prevented.
In this embodiment, as shown in the drawing, one end of the isolating shaft is disposed outside the housing and is provided with a first operating handle 202, and one end of the separating and combining shaft 3 is disposed outside the housing and is provided with a second operating handle 302. The first operating handle of the isolating shaft and the first operating handle of the separating and combining shaft are arranged outside the shell, so that manual operation is facilitated, and the use is more convenient.
The brake separating and interlocking mechanism of the column switch is provided with the brake separating and interlocking mechanism and comprises a fixing frame 1, wherein the fixing frame is rotatably provided with a separation shaft 2, a brake separating and assembling shaft 3, an indication shaft 4, a brake separating and assembling half shaft 5 and a first interlocking lever 11, a poking pin 31 is arranged on the brake separating and assembling shaft, and the brake separating and assembling half shaft is driven to rotate by poking when the brake separating and assembling shaft rotates; the brake release buckle shaft 6 is provided with a rotatable brake release buckle 61, and a first avoiding groove 51 is formed in the circumferential outer wall of the brake release half shaft and corresponds to the brake release buckle; the first indication shaft crank arm 41 and the elastic piece 421 for rotating the indication shaft towards the direction of the brake release buckle plate to apply force are arranged on the indication shaft, and the first indication shaft crank arm is pressed against one side of the brake release buckle plate under the action of the elastic piece; the indicating shaft comprises a first position, in which a brake separating buckle plate 61 is propped against the circumferential outer wall of the brake separating half shaft during brake closing, and a second position, in which the brake separating buckle plate 61 rotates through the first avoiding groove under the action of the elastic piece, during brake separating, the brake separating half shaft rotates; the isolating shaft is provided with an isolating shaft crank arm 21, the first interlocking lever is propped against the isolating shaft crank arm 21 when the indicating shaft is in a first position to enable the isolating shaft to be unable to rotate, and the first interlocking lever is separated from the isolating shaft crank arm 21 when the indicating shaft is in a second position to enable the isolating shaft to be rotatable.
When the switch-on is performed, the elastic piece is arranged on the indicating shaft and used for pre-tightening, the first indicating shaft crank arm on the indicating shaft is propped against the switch-off buckle plate on the switch-off buckle plate shaft, the other end of the switch-off buckle plate is propped against the outer wall of the switch-off half shaft, at the moment, because the limiting crank arm on the indicating shaft is matched with the first interlocking lever, one end of the first interlocking lever is propped against the bottom of the limiting crank arm, the other end of the first interlocking lever is propped against the top of the isolating shaft crank arm on the isolating shaft, the isolating shaft cannot rotate in the normal breaking direction (namely clockwise), when the switch-on half shaft is required to be turned, firstly, the switch-off half shaft can be driven to rotate through rotating the switch-on shaft (through a manual rotating handle), then the poking pin on the switch-off shaft can be used for driving the switch-off half shaft to rotate through the switch-off pin on the switch-off buckle plate, and the first interlocking groove is arranged on the outer wall of the periphery of the switch-off half shaft, after the switch-on half shaft is turned in place, the first interlocking groove can correspond to the switch-off buckle plate, the first interlocking groove rotates under the action of the elastic piece, the first interlocking groove rotates under the action of the first interlocking lever passes through the first avoidance groove under the action of the first interlocking lever, and the first interlocking the pull shaft can not rotate on the side, and the isolation shaft can rotate in the proper time, and the first interlocking the side of the isolation shaft can not rotate in the shaft can rotate in the proper enough to rotate, and rotate on the side opposite the side, and accordingly when the isolating shaft can rotate on the isolating shaft is required to rotate.
In this embodiment, as shown in the drawing, the indication shaft is further provided with a limiting crank arm 43, when the indication shaft is in the first position, the upper end of the first interlocking lever abuts against the bottom of the limiting crank arm, the lower end abuts against the top of the isolating shaft crank arm 21, and the first tension spring 23 is used for abutting the upper end of the first interlocking lever against the limiting crank arm.
In this embodiment, as shown in the drawing, the first moving contact 201 is two contact plates disposed on the outer wall of the isolation shaft, a clamping groove 2031 is formed between the contact plates, a first bump 911 for being engaged with the clamping groove is disposed on the output rod 91, and a second bump 8112 for being engaged with the clamping groove is disposed on the contact base. The clamping groove is matched with the first lug and the second lug in a clamping way, so that connection is more stable and the use effect is better when the clamping groove contacts with the first lug and the second lug.
In this embodiment, as shown in the drawing, a spring contact finger 8111 is disposed on an outer wall of one end of the movable contact rod 810, and the contact seat is sleeved on the outer wall of the spring contact finger 8111. When the movable contact rod moves, the contact seat and the movable contact rod are ensured to be electrically connected, the structure is simple, and the use is more convenient.
In this embodiment, as shown in the drawing, the split shaft is provided with a first crank arm 203, the first crank arm is connected with a first link 204, a hinged second link 205 is further provided in the housing, the upper end of the second link is hinged to the first link, and the lower end of the second link is hinged to the movable contact rod. When the movable trolley is used, the first connecting rod is driven to pull the upper end of the second connecting rod through the rotation of the split shaft, the lower end of the second connecting rod drives the movable trolley to move, and the movable trolley is simple in structure and stable in operation.
In this embodiment, as shown in the figure, the vacuum arc-extinguishing chamber 83 is further included, one end of the movable contact rod extends into the vacuum arc-extinguishing chamber and is provided with a second movable contact, and one end of the static contact rod extends into the vacuum arc-extinguishing chamber and is provided with a static contact.
In this embodiment, as shown in the drawing, the fixing frame 1 includes a front plate 15 and a rear plate 16, the isolation interlocking lever 161 is rotatably mounted on the back of the rear plate, and a stop pin 165 is further disposed on the rear plate, and when the isolation interlocking lever is in the locking position, the outer sidewall of the isolation interlocking lever abuts against the stop pin under the action of the second elastic member.
In this embodiment, as shown in the figure, a second indicating shaft lever 42 is further disposed on the indicating shaft, and the second indicating shaft lever 42 is provided with the elastic member.
In this embodiment, as shown in the figure, the elastic member is a compression spring. As the function of pre-tightening energy storage, the force for releasing the interlocking can be provided after the brake-separating half shaft rotates.
In this embodiment, as shown in the drawing, the brake release half shaft is provided with a first release plate 52 and a second release plate 53, the first release plate is disposed corresponding to the first indication shaft lever 41, and the second release plate is disposed corresponding to the brake release actuator 55. The opening and closing shaft can be manually operated, then the opening and closing half shaft is driven to rotate through a poking pin on the opening and closing shaft, and the opening and closing shaft can also be driven by an electric opening and closing actuator, and the opening and closing actuator can be a conventional release.
In this embodiment, as shown in the figure, the brake release buckle shaft is further provided with a first return torsion spring 62, and one leg of the first return torsion spring abuts against the upper end surface of the brake release buckle. The reset device is used for resetting the brake separating buckle plate.
In this embodiment, as shown in the drawing, a roller 411 is disposed on the first indicating shaft lever 41, and a retaining detent 611 is disposed on the brake release buckle, and the retaining detent is in press fit with the roller. And the operation is stable.
In this embodiment, as shown, the holding pawl is hinged to the breaking latch, the holding pawl includes a contact surface that is pressed against the breaking latch, and the breaking latch is provided with a second torsion spring 612, and one leg of the second torsion spring is pressed against the bottom of the holding pawl. When the brake is closed, the roller tightly props against the holding pawl, the holding pawl is tightly pressed with the brake separating buckle plate through the contact surface after being stressed, when the brake half shaft rotates, the roller pushes the brake separating buckle plate to rotate clockwise, the indicating shaft also rotates clockwise, the brake separating buckle plate returns to the original position under the action of the reset torsion spring, the holding pawl is arranged below the roller at the moment, when the roller resets, the roller is pushed clockwise to rotate and then reset, the holding pawl is reset under the action of the second torsion spring, and the brake separating buckle plate is simple in structure and stable in operation.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify 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 therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.
Claims (7)
1. The closing interlocking mechanism of the column switch comprises a fixing frame (1), and is characterized in that: the fixed frame is rotatably provided with an isolating shaft (2), a closing main shaft (8), an indicating shaft (4), a closing half shaft (7) and an isolating interlocking lever (161),
the automatic switching-on device also comprises a switching-on pinch plate shaft (70), a rotatable switching-on pinch plate (701) is arranged on the switching-on pinch plate shaft,
a notch groove (702) is formed in the circumferential outer wall of the closing half shaft and corresponds to the closing buckle plate, a first plate (71) capable of synchronously rotating is arranged at one end of the closing half shaft, a second plate (73) is arranged at the other end of the closing half shaft and corresponds to the closing actuator (56),
a rotatable pushing piece (81) is arranged on the closing main shaft (8), the pushing piece is propped against one side of a closing pinch plate (701) under the action of a third elastic piece, the other side of the closing pinch plate is propped against and matched with the circumferential outer wall of the closing half shaft,
the isolating shaft is provided with an isolating shaft crank arm (21);
the isolation interlocking lever (161) comprises a locking position which is propped against the bottom of the first plate under the action of the second elastic piece (162) and an unlocking position which is pushed by the isolation shaft crank arm (21) to leave the first plate to enable the closing half shaft to rotate when the isolation shaft is closed;
when the isolation interlocking lever (161) is in an unlocking position, a notch groove of the isolation interlocking lever is aligned with the closing buckle plate, so that the closing main shaft can rotate.
2. The on-column switch closing interlock mechanism of claim 1 wherein: the automatic switching-on device is characterized by further comprising a poking pin (31) and a switching-off shaft (3), wherein a third plate (72) is arranged on the switching-on half shaft corresponding to the poking pin, and the third plate is used for enabling the switching-off shaft and the switching-off shaft not to rotate towards the switching-on direction when the isolation interlocking lever is positioned at a locking position.
3. The on-column switch closing interlock mechanism of claim 2 wherein: the pushing piece is a closing roller arranged at the eccentric position of the closing main shaft.
4. The on-column switch closing interlock mechanism of claim 3 wherein: the automatic closing device is characterized by further comprising a driving wheel (85) meshed with the closing main shaft, a ratchet wheel (86) is meshed with one side of the driving wheel, and a pawl (87) matched with the ratchet wheel is further arranged on the fixing frame (1).
5. The on-column switch closing interlock of claim 4 wherein: the isolating shaft crank arm (21) is used for propping against the upper end face of one end of the isolating interlocking lever when the isolating shaft is switched on, so that the other end of the isolating interlocking lever is far away from the first plate.
6. The on-column switch closing interlock of claim 5 wherein: the isolating shaft is further provided with a second isolating shaft crank arm (26), one side of the second isolating shaft crank arm is provided with the first plate, and the other side of the second isolating shaft crank arm is connected with an isolating shaft pressing spring (27).
7. The on-column switch closing interlock of claim 6 wherein: the front end of the closing main shaft is provided with a rotary table (88) which synchronously rotates, and the rotary table is connected with a closing tension spring (89).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619045.5A CN108597942B (en) | 2018-06-15 | 2018-06-15 | Closing interlocking mechanism of pole-mounted switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619045.5A CN108597942B (en) | 2018-06-15 | 2018-06-15 | Closing interlocking mechanism of pole-mounted switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108597942A CN108597942A (en) | 2018-09-28 |
| CN108597942B true CN108597942B (en) | 2024-03-08 |
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| CN201810619045.5A Active CN108597942B (en) | 2018-06-15 | 2018-06-15 | Closing interlocking mechanism of pole-mounted switch |
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| CN109545594B (en) * | 2019-01-08 | 2024-02-27 | 常熟开关制造有限公司(原常熟开关厂） | Change-over switch |
| CN110379685B (en) * | 2019-06-04 | 2021-07-23 | 许昌合泰机械设备有限公司 | Flexible tripping structure |
Citations (6)
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|---|---|---|---|---|
| KR20090072580A (en) * | 2007-12-28 | 2009-07-02 | 현대중공업 주식회사 | Electro mechanical interlock system of disconnector and grounding switch for gas insulated switchgear |
| CN201812690U (en) * | 2010-09-17 | 2011-04-27 | 廖明厚 | Three-station mechanism for realizing quick tripping |
| CN204289229U (en) * | 2014-12-15 | 2015-04-22 | 中国西电电气股份有限公司 | A kind of two state locking devices of operating mechanism |
| CN206685310U (en) * | 2017-04-28 | 2017-11-28 | 爱启（厦门）电气技术有限公司 | A kind of interlock |
| WO2018094931A1 (en) * | 2016-11-22 | 2018-05-31 | 上海思源高压开关有限公司 | Spring operation mechanism for use with high-voltage circuit breakers |
| CN208298749U (en) * | 2018-06-15 | 2018-12-28 | 宏秀电气有限公司 | The combined floodgate mutual interlocking gear of on-pole switch |
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2018
- 2018-06-15 CN CN201810619045.5A patent/CN108597942B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090072580A (en) * | 2007-12-28 | 2009-07-02 | 현대중공업 주식회사 | Electro mechanical interlock system of disconnector and grounding switch for gas insulated switchgear |
| CN201812690U (en) * | 2010-09-17 | 2011-04-27 | 廖明厚 | Three-station mechanism for realizing quick tripping |
| CN204289229U (en) * | 2014-12-15 | 2015-04-22 | 中国西电电气股份有限公司 | A kind of two state locking devices of operating mechanism |
| WO2018094931A1 (en) * | 2016-11-22 | 2018-05-31 | 上海思源高压开关有限公司 | Spring operation mechanism for use with high-voltage circuit breakers |
| CN206685310U (en) * | 2017-04-28 | 2017-11-28 | 爱启（厦门）电气技术有限公司 | A kind of interlock |
| CN208298749U (en) * | 2018-06-15 | 2018-12-28 | 宏秀电气有限公司 | The combined floodgate mutual interlocking gear of on-pole switch |
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| CN108597942A (en) | 2018-09-28 |
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