CN108520834B - Manual operation three-station mechanism for high-voltage switch - Google Patents
Manual operation three-station mechanism for high-voltage switch Download PDFInfo
- Publication number
- CN108520834B CN108520834B CN201810560538.6A CN201810560538A CN108520834B CN 108520834 B CN108520834 B CN 108520834B CN 201810560538 A CN201810560538 A CN 201810560538A CN 108520834 B CN108520834 B CN 108520834B
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- China
- Prior art keywords
- operating rod
- connecting plate
- turbine
- sleeved
- fixedly arranged
- Prior art date
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- 238000005096 rolling process Methods 0.000 claims description 7
- 230000000670 limiting effect Effects 0.000 claims description 5
- 238000005457 optimization Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
-
- 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
- H01H31/026—Movable parts and contacts mounted thereon
Abstract
The invention relates to a manual operation three-station mechanism for a high-voltage switch, which comprises a worm wheel and a worm which are meshed with each other, and a left operating rod and a right operating rod which are positioned at two sides of the worm wheel, wherein screw sleeves are respectively connected to the left operating rod and the right operating rod through threads; the left connecting plate and the right connecting plate are respectively penetrated on the hinge shafts, one ends, far away from each other, of the left connecting plate and the right connecting plate are respectively sleeved in front of screw sleeves on the left operating rod and the right operating rod, a positioning mechanism arranged on the turbine is arranged between one ends, close to each other, of the left connecting plate and the right connecting plate, a stop lever is respectively and fixedly arranged between the two hinge shafts and the turbine, and torsion springs fixedly arranged on the two hinge shafts are respectively arranged. According to the invention, the rotation of the turbine is controlled by the left connecting plate and the right connecting plate, and the threaded sleeve is axially displaced by manual operation, so that the three stations of the left station, the middle station and the right station are realized, the closing, opening and grounding actions of the electric switching mechanism are correspondingly realized, and the reliability and the action flexibility of the mechanism are greatly improved.
Description
Technical Field
The invention relates to the field of switching equipment in the power industry, in particular to a manual operation three-station mechanism for a high-voltage switch.
Background
The CJ8-5 operating mechanism can be used for switching on and off a GIS-40.5 switch cabinet, a ZHW port-126, a ZF port-252, and a disconnecting switch, a grounding switch and a load switch which are equivalent to the required torque.
When the structure is used, the positioning ball head enters the pin shaft embedded in the worm wheel, the worm wheel can not rotate, the middle limiting effect is achieved, after the electromagnet is electrified, the electromagnet is attracted, the shifting fork clamped at the positioning ball head is attracted along with the electromagnet, but the structure has the defects that the shifting fork is unstable in motion, the upper and lower shifting and the left and right shifting easily cause clamping stagnation of the electromagnet, the electromagnet heats in a short time and causes unstable mechanism performance, and secondly, under the condition of unstable shifting fork, the two shifting forks are easily clamped, so that the electromagnet can not be attracted, and the mechanism can not realize the function of separating brake limiting.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the manual operation three-station mechanism for the high-voltage switch, which is operated in a manual mode, so that the reliability of the switching action is greatly improved.
The invention provides a manual operation three-station mechanism for a high-voltage switch, which comprises a turbine and a worm which are meshed with each other, and a left operating rod and a right operating rod which are positioned at two sides of the turbine, wherein screw sleeves are respectively connected to the left operating rod and the right operating rod through threads;
still including wearing to establish respectively on the hinge left even board and the right even board, left even board and right even board keep away from the one end that the board kept away from overlap respectively and establish in left action bars, right on the action bars swivel nut the place ahead, and the cover on left even board and the right even board is established the hole internal diameter and is greater than the cover and establishes the external diameter of department left action bars and right action bars, is equipped with between the one end that left even board and right even board are close to and installs positioning mechanism on the turbine, set firmly respectively between two hinge and the turbine and restrict left even board anticlockwise rotation, right even board clockwise rotation's pin, all be equipped with the torsional spring of fixed setting on two hinge.
When the scheme is used, the wheel shaft of the turbine is connected with the switch mechanism of the electrical equipment, and when the turbine is in a neutral state, the positioning mechanism is positioned between the left connecting plate and the right connecting plate, the left connecting plate and the right connecting plate are tightly attached to the baffle rod under the action of the torsion spring and form a blocking for the positioning mechanism, so that the rotation of the turbine is limited; when the worm is driven by the driving device to rotate, the turbine rotates clockwise, and simultaneously the screw sleeve on the left operating rod is rotated, and the screw sleeve moves forward under the action of the screw thread, so that the left connecting plate is triggered to rotate around the axis of the hinge shaft, the left connecting plate loses the blocking of the positioning mechanism, and the turbine rotates to the left position smoothly; when the screw sleeve is reversely rotated, the screw sleeve is far away from the left connecting plate, the force applied to the left connecting plate is relieved, when the driving device reversely rotates, the turbine anticlockwise rotates, and when the positioning mechanism passes through the end part of the left connecting plate, the left Lian Ban is pressed down against the elasticity of the torsion spring, so that the screw sleeve returns to the middle position, and the left connecting plate is reset under the action of the torsion spring; the scroll wheel can be rotated to the right in the same way.
As optimization, driven bevel gears are respectively and fixedly arranged at two ends of the worm, and driving bevel gears meshed with the driven bevel gears at two ends of the worm are respectively and fixedly arranged at one ends, far away from the screw sleeve, of the left operating rod and the right operating rod. Through the setting of this optimization scheme, when rotating the swivel nut, reverse rotation left action bars or right action bars simultaneously, left action bars or right action bars rotate, drive worm rotation through bevel gear drive to drive the turbine and rotate, make the rotation of left even board or right even board go on with turbine rotation is synchronous, has further improved the efficiency of switch action, has satisfied the requirement of high tension switch to closing and separating brake action rapidity.
As optimization, the left connecting plate comprises a zigzag-shaped trip plate sleeved on the left operating rod at one end and a pawl detachably and fixedly connected with the trip plate, and the pawl is fixedly connected with the hinge shaft. Through setting up the trip board of "zigzag", increased the swing angle of left even board, shortened the feed distance of swivel nut, further improved the flexibility of action, the trip board can be dismantled with sincere son and be connected, easy to assemble and change.
As optimization, the right connecting plate comprises a zigzag-shaped trip plate sleeved on the right operating rod at one end and a pawl detachably and fixedly connected with the trip plate, and the pawl is fixedly connected with the hinge shaft. Through setting up the trip board of "zigzag", increased the swing angle of right link board, shortened the feed distance of swivel nut, further improved the flexibility of action, the trip board can be dismantled with sincere son and be connected, easy to assemble and change.
As optimization, the two pinch plates are respectively provided with long holes for enabling the two pinch plates to move relative to the left operating rod and the right operating rod. The setting of this optimization scheme slot hole, when the swivel nut promotes the trip plate and removes, the displacement of trip plate for left action bars or right action bars is bigger, makes left even board or right even board pivoted angle bigger, has further guaranteed the reliability that left even board and right even board remove the restriction to positioning mechanism.
As optimization, the screw sleeve is also provided with a manual rocking handle provided with a clamping groove, and the screw sleeve is fixedly provided with a clamping pin matched with the clamping groove. The screw sleeve is rotated by shaking the manual rocking handle, so that the manual rocking handle is more labor-saving and rapid, the manual rocking handle and the screw sleeve are connected by being clamped on the clamping pin through the clamping groove, the installation time is saved, and the screw sleeve is convenient to detach after the screw sleeve is used.
The positioning component of the optimization scheme is simple in structure and low in manufacturing cost, and the cambered surface of the rolling sleeve is used for contacting with the pawl, so that friction force is reduced, and the fluency of rotation of the turbine is improved.
The beneficial effects of the invention are as follows: the rotation of the turbine is controlled through the left connecting plate and the right connecting plate, and the threaded sleeve is axially displaced through manual operation, so that three stations, namely, the left station, the middle station and the right station, are realized, the closing, opening and grounding actions of the electric switching mechanism are correspondingly realized, and the reliability and the action flexibility of the mechanism are greatly improved.
Drawings
FIG. 1 is a schematic view of the median structure of the present invention;
FIG. 2 is a left-hand structural schematic diagram of the present invention;
the figure shows:
1. the worm, 2, the turbine, 3, driven bevel gear, 4, initiative bevel gear, 5, right action bars, 6, the trip plate, 7, bayonet lock, 8, roller, 9, round pin axle, 10, sincere son, 11, hinge, 12, manual rocking handle, 13, swivel nut, 14, pin, 15, left action bars.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
The manual operation three-position mechanism for the high-voltage switch shown in fig. 1 comprises a turbine 2 and a worm 1 which are meshed with each other, and a left operating rod 15 and a right operating rod 5 which are positioned on two sides of the turbine 2, wherein a screw sleeve 13 is respectively connected to the left operating rod 15 and the right operating rod 5 through threads, and when the screw sleeve is rotated, the screw sleeve is displaced along the axial direction of the operating rod.
The embodiment further comprises a left connecting plate and a right connecting plate which are respectively penetrated on the hinge shaft 11, two ends of the hinge shaft are connected with a frame of the electrical equipment through bearings, one far ends of the left connecting plate and the right connecting plate are respectively sleeved in front of screw sleeves on the left operating rod and the right operating rod, the inner diameters of sleeved holes on the left connecting plate and the right connecting plate are larger than the outer diameters of the left operating rod and the right operating rod at the sleeved positions, a positioning mechanism arranged on the turbine is arranged between one close ends of the left connecting plate and the right connecting plate, a stop lever 14 for limiting the left connecting plate to rotate anticlockwise and the right connecting plate to rotate clockwise is respectively and fixedly arranged between the two hinge shafts 11 and the turbine, the stop lever 14 is fixedly connected with the frame of the electrical equipment, and the stop lever provides elastic force for reset after the rotation of the hinge shaft.
The positioning mechanism comprises a pin shaft 9 fixedly arranged on the turbine 2 and a rolling sleeve 8 sleeved and fixed on the pin shaft 9, and the rolling sleeve 8 is positioned between one ends of the two pawls 10, which are close to each other.
The left connecting plate comprises a zigzag trip plate 6 with one end sleeved on the left operating rod and a pawl 10 detachably and fixedly connected with the trip plate 6, and the pawl 10 is fixedly connected with a hinge shaft 11. The right connecting plate comprises a zigzag-shaped pinch plate with one end sleeved on the right operating rod and a pawl detachably fixedly connected with the pinch plate, and the pawl is fixedly connected with the hinge shaft. The two pinch plates are respectively provided with a long hole which enables the two pinch plates to move relative to the left operating rod and the right operating rod, and one end of the long hole which is outside is provided with a notch, so that the installation is convenient, and the rotation range of the pinch plates is also enlarged.
Driven bevel gears 3 are respectively and fixedly arranged at two ends of the worm 1, and driving bevel gears 4 meshed with the driven bevel gears 3 at two ends of the worm are respectively and fixedly arranged at one ends, far away from the screw sleeve, of the left operating rod and the right operating rod.
In order to facilitate the rotation of the screw sleeve, the embodiment further comprises a manual rocking handle 12 provided with a clamping groove, and the screw sleeve 13 is fixedly provided with a clamping pin 7 matched with the clamping groove, so that the clamping groove is clamped on the clamping pin when in use, and the force application is facilitated.
The left operating rod or the right operating rod of the embodiment is fixedly connected with a manual rocking handle.
In the use, the shaft of turbine is connected with the switch mechanism of electrical equipment, when being in the neutral position state, the roller sleeve is located between the left and right sinkers, under the effect of torsional spring, the one end that the left and right sinkers are close to each other all pastes the shelves pole to form the jam to the roller sleeve, thereby restriction turbine rotates.
When the state is required to be switched, the left operating rod and the screw sleeve on the left operating rod are rotated relatively, the turbine is rotated clockwise through bevel gear transmission by the rotation of the left operating rod, and when the screw sleeve is rotated, the screw sleeve moves forwards under the action of threads, so that the disengaging plate on the left operating rod is triggered, the left pawl rotates around the axis of the hinge shaft, the left pawl loses the blocking of the rolling sleeve, and the turbine is smoothly rotated to the left position. When the threaded sleeve and the left operating rod are reversely rotated, the threaded sleeve is far away from the trip plate, the force applied to the trip plate is relieved, at the moment, the turbine rotates anticlockwise, when the rolling sleeve passes through the end part of the left pawl, the left pawl is pressed down against the elasticity of the torsion spring, so that the left pawl returns to the middle position, and the left pawl is reset under the action of the torsion spring. The scroll can be rotated to the right in the same manner, and the description thereof is omitted.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (3)
1. A manual three station mechanism of operating is used to high tension switchgear which characterized in that: the device comprises a turbine (2) and a worm (1) which are meshed with each other, and a left operating rod (15) and a right operating rod (5) which are positioned at two sides of the turbine (2), wherein screw sleeves (13) are respectively connected to the left operating rod (15) and the right operating rod (5) through threads;
the left connecting plate and the right connecting plate are respectively penetrated on the hinge shafts (11), one far ends of the left connecting plate and the right connecting plate are respectively sleeved in front of screw sleeves on the left operating rod and the right operating rod, the inner diameters of sleeved holes on the left connecting plate and the right connecting plate are larger than the outer diameters of the left operating rod and the right operating rod at sleeved positions, a positioning mechanism arranged on the turbine is arranged between one ends of the left connecting plate and the right connecting plate, which are close to each other, a stop lever (14) for limiting the left connecting plate to rotate anticlockwise and the right connecting plate to rotate clockwise is respectively and fixedly arranged between the two hinge shafts (11) and the turbine, and the two hinge shafts are respectively provided with fixedly arranged torsion springs;
driven bevel gears (3) are respectively and fixedly arranged at two ends of the worm (1), and driving bevel gears (4) meshed with the driven bevel gears (3) at two ends of the worm are respectively and fixedly arranged at one ends, far away from the screw sleeve, of the left operating rod and the right operating rod;
the left connecting plate comprises a zigzag trip plate (6) with one end sleeved on the left operating rod and a pawl (10) detachably fixedly connected with the trip plate (6), and the pawl (10) is fixedly connected with a hinge shaft (11);
the right connecting plate comprises a zigzag-shaped pinch plate sleeved on the right operating rod at one end and a pawl detachably fixedly connected with the pinch plate, and the pawl is fixedly connected with the hinge shaft;
the two pinch plates are respectively provided with long holes for enabling the two pinch plates to move relative to the left operating rod and the right operating rod.
2. The manually operated three-position mechanism for a high voltage switch of claim 1, wherein: the hand-operated rocking handle (12) with the clamping groove is further included, and the clamping pin (7) which is matched with the clamping groove is fixedly arranged on the threaded sleeve (13).
3. The manually operated three-position mechanism for a high voltage switch of claim 1, wherein: the positioning mechanism comprises a pin shaft (9) fixedly arranged on the turbine (2) and a rolling sleeve (8) sleeved and fixed on the pin shaft (9), and the rolling sleeve (8) is positioned between one ends, close to the two pawls (10), of the two pawls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560538.6A CN108520834B (en) | 2018-06-04 | 2018-06-04 | Manual operation three-station mechanism for high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560538.6A CN108520834B (en) | 2018-06-04 | 2018-06-04 | Manual operation three-station mechanism for high-voltage switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108520834A CN108520834A (en) | 2018-09-11 |
| CN108520834B true CN108520834B (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560538.6A Active CN108520834B (en) | 2018-06-04 | 2018-06-04 | Manual operation three-station mechanism for high-voltage switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN108520834B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563067A (en) * | 2020-12-04 | 2021-03-26 | 武汉倍诺德开关有限公司 | Intermediate station limiting device |
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| CN203218164U (en) * | 2013-03-07 | 2013-09-25 | 廖明厚 | Interlock, indication and auxiliary switch structure of single-motor three-station mechanism |
| CN104538235A (en) * | 2014-12-09 | 2015-04-22 | 平高集团有限公司 | Five-station disconnecting and earthing switch |
| CN107170595A (en) * | 2017-06-05 | 2017-09-15 | 河南平高电气股份有限公司 | A kind of mechanical position limitation mechanism and three station operating mechanisms using the mechanism |
| CN208157277U (en) * | 2018-06-04 | 2018-11-27 | 泰安市泰和电力设备有限公司 | A kind of manually handle three position mechanism used for high-voltage switch |
-
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| JPH10126912A (en) * | 1996-10-24 | 1998-05-15 | Toshiba Corp | Taking-in and-out device for vacuum breaker |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108520834A (en) | 2018-09-11 |
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