CN111370257B - Anti-misoperation type operating handle for load switch/isolating switch and using method thereof - Google Patents
Anti-misoperation type operating handle for load switch/isolating switch and using method thereof Download PDFInfo
- Publication number
- CN111370257B CN111370257B CN202010209357.6A CN202010209357A CN111370257B CN 111370257 B CN111370257 B CN 111370257B CN 202010209357 A CN202010209357 A CN 202010209357A CN 111370257 B CN111370257 B CN 111370257B
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- Prior art keywords
- direction selector
- unlocking
- operating handle
- rotation
- connecting part
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
-
- 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
-
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Abstract
The invention relates to a load switch/disconnecting switch anti-misoperation type operating handle, which comprises an unlocking rod and a driving rod; the driving rod comprises a connecting part connected with the unlocking rod and a steering part rotationally connected with the connecting part; when the brake is switched on and switched off, the plane of the rotating track of the steering part is parallel to the plane of the rotating track of the unlocking head; the connecting part is provided with a direction selector; the direction selector is provided with a first gear for limiting the unidirectional clockwise rotation of the steering part and a second gear for limiting the unidirectional anticlockwise rotation of the steering part; carry out the switching of gear through the direction selector to the unidirectional rotation of restriction steering part, because only can unidirectional rotation, and then can only carry out combined floodgate or an operation of separating brake, if the operation direction is done in the opposite directions, then steering part will atress rotate, the unblock pole can not the atress, just so can avoid appearing the maloperation that combined floodgate and separating brake are confused, when the rebound condition takes place, steering part has a space that can rotate the power of unloading, can reduce the injury that the rebound led to the fact the human body by a wide margin.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a load switch/isolating switch anti-misoperation type operating handle and a using method thereof.
Background
The existing operating handle of the inflatable cabinet is not operated in two directions, and is easy to operate by mistake, whether switching-on or switching-off is operated, misoperation or a human injury event is easy to occur, when a spring mechanism has a problem or is not operated in place, a rebound phenomenon is likely to occur, when rebounding occurs, because the mechanism has large force which is more than 2000N, the reverse acting force of the mechanism drives the handle to rotate at the speed of 15-20 m/s at the fastest linear speed, personnel injury and property loss are easy to cause, and potential safety hazards exist constantly.
Disclosure of Invention
The invention provides an anti-misoperation operating handle for a load switch/an isolating switch and a using method thereof, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the anti-misoperation type operating handle of the load switch/the isolating switch is constructed and comprises an unlocking rod and a driving rod, wherein the unlocking rod is connected with the driving rod, the driving rod is used for driving the unlocking rod to rotate under the action of external force, and an unlocking head is arranged on the unlocking rod; the driving rod comprises a connecting part fixedly or detachably connected with the unlocking rod and a steering part rotatably connected with the connecting part; when the brake is switched on and switched off, the plane of the rotating track of the steering part is parallel to the plane of the rotating track of the unlocking head; the connecting part is provided with a direction selector; the direction selector has a first gear for limiting the unidirectional clockwise rotation of the steering portion and a second gear for limiting the unidirectional counterclockwise rotation of the steering portion.
The invention relates to a load switch/disconnecting switch anti-misoperation type operating handle, wherein a direction selector is in a sleeve shape and sleeved on a connecting part and a steering part; but direction selector with connecting portion axial rotation, be provided with on the direction selector and supply turning to the portion rotation fluting that stretches out.
The invention relates to a load switch/isolating switch anti-misoperation type operating handle, wherein a limiting lug is arranged on the outer surface of a connecting part, and a circular arc-shaped limiting groove matched with the limiting lug is coaxially arranged on a direction selector.
The anti-misoperation type operating handle of the load switch/isolating switch is characterized in that the direction selector is axially and rotatably connected with the connecting part.
The load switch/isolating switch anti-misoperation type operating handle is characterized in that the inner diameter of an inner hole of the direction selector is matched with the outer diameter of the connecting part, and the direction selector is limited on the connecting part by the matching of the limiting lug and the limiting groove and can axially rotate.
The invention relates to a load switch/isolating switch anti-misoperation type operating handle, wherein a direction selector comprises a first shielding strip for shielding a steering part from rotating clockwise in one direction, a second shielding strip for shielding the steering part from rotating anticlockwise in one direction, and a locking sleeve; the locking sleeve is sleeved on the connecting part and is connected with the connecting part or the unlocking rod through an elastic part; two accommodating grooves which respectively correspond to the first stop strip and the second stop strip are formed in the outer surface of one end, connected with the steering part, of the connecting part; the first gear bar and the second gear bar can be rotatably received in the corresponding accommodating grooves.
The load switch/isolating switch anti-misoperation type operating handle comprises a connecting part, a direction selector and a direction selector, wherein the connecting part is detachably connected with the load switch/isolating switch anti-misoperation type operating handle, and the direction selector comprises two blocking pieces which are detachably connected with the connecting part and respectively and correspondingly limit the unidirectional clockwise rotation of the steering part and the unidirectional anticlockwise rotation of the steering part.
The anti-misoperation type operating handle of the load switch/isolating switch is characterized in that unlocking heads are arranged at two ends of each unlocking rod, and the driving rod is vertically connected to the middle of each unlocking rod.
The anti-misoperation type operating handle of the load switch/isolating switch is characterized in that the unlocking sleeve is sleeved on the unlocking rod, the unlocking rod is provided with a pin shaft, and the unlocking head is axially provided with a pin shaft movable groove matched with the pin shaft.
The use method of the anti-misoperation type operating handle of the load switch/the isolating switch comprises the following steps of: when switching on or separating brake operation, with the unblock head correspond the cover and establish on the switch contact, adjust the gear of direction selector to suitable position: if need clockwise rotation actuating lever, then adjust to first gear, prevent the clockwise rotation trend of turning to the portion through the direction selector for drive power can be exerted on the unblock pole, and then drive unblock head rotation unblock, if need anticlockwise rotation actuating lever, then adjust the second gear, prevent the anticlockwise rotation trend of turning to the portion through the direction selector, make drive power can be exerted on the unblock pole, and then drive unblock head rotation unblock.
The utility model has the advantages that: carry out the switching of gear through the direction selector, with the unidirectional rotation of restriction steering part, because only can unidirectional rotation, and then can only close a floodgate or an operation of separating brake, if the operation direction is done in the wrong direction, then steering part will atress rotate, the unblock pole can not the atress, just so can avoid appearing closing a floodgate and the maloperation that the separating brake is confused, and simultaneously, when the rebound condition takes place, steering part has a space that can rotate the power of unloading, can reduce the injury that the rebound led to the fact the human body by a wide margin, improve the security of operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
fig. 1 is a schematic view of an unfolding structure of an anti-misoperation type operating handle of a load switch/disconnecting switch according to a first embodiment of the invention;
fig. 2 is a schematic view of another angle structure of the anti-misoperation type operating handle of the load switch/disconnecting switch according to the first embodiment of the invention;
fig. 3 is a schematic view of a bending structure of an anti-misoperation type operating handle of the load switch/disconnecting switch according to the first embodiment of the invention;
fig. 4 is a sectional view of a load switch/disconnecting switch anti-misoperation type operating handle driving rod of a second embodiment of the invention;
fig. 5 is a sectional view of a load switch/disconnecting switch error-proof type operating handle driving lever according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
Example one
The anti-misoperation type operating handle of the load switch/isolating switch in the preferred embodiment of the invention is shown in fig. 1, and also refers to fig. 2 and 3, and comprises an unlocking rod 1 and a driving rod 2 for driving the unlocking rod 1 to rotate under the action of external force, wherein the unlocking rod 1 is provided with an unlocking head 10; the driving lever 2 includes a connecting portion 20 fixedly or detachably connected to the lock release lever 1, and a turning portion 21 rotatably connected to the connecting portion 20; when the brake is switched on and off, the plane of the rotating track of the steering part 21 is parallel to the plane of the rotating track of the unlocking head 10; the connecting part 21 is provided with a direction selector 3; the direction selector 3 has a first gear position that restricts the unidirectional clockwise rotation of the steering portion 21, and a second gear position that restricts the unidirectional counterclockwise rotation of the steering portion 21;
carry out the switching of gear through direction selector 3, with the unidirectional rotation of restriction steering part 21, because only unidirectional rotation can, and then only can switch on or an operation of separating brake, if the operation direction is done in the opposite direction, then steering part 21 will atress rotate, unblock pole 1 can not the atress, just so can avoid appearing the maloperation that closes a floodgate and the separating brake is confused, and simultaneously, when the rebound condition takes place, steering part 21 has a space that can rotate and unload the power, can reduce the injury that the rebound led to the fact the human body by a wide margin, improve the security of operation.
Preferably, the direction selector 3 is sleeve-shaped and is sleeved on the connecting portion 20 and the turning portion 21; the direction selector 3 and the connecting part 20 can axially rotate, and the direction selector 3 is provided with a slot 30 for the rotation of the steering part 21 to extend out; through direction of rotation selector 3, adjust fluting 30 orientation position, and then reach and rotate spacing purpose to turning to portion 21, simple structure, it is with low costs, and adjust the convenience, guarantee simultaneously wholly have great mechanical strength.
Preferably, the outer surface of the connecting part 20 is provided with a limit bump 200, and the direction selector 3 is coaxially provided with an arc-shaped limit groove 31 matched with the limit bump 200; two gear positions of the direction selector 3 during rotation are conveniently positioned through the two end positions of the limiting groove 31, and the convenience of operation is improved.
Preferably, the direction selector 3 is axially and rotatably connected with the connecting portion 20, and the rotatable connection can be realized by various existing methods such as a rotating bearing, in which case, the requirements on the shapes of the limiting projection 200 and the limiting groove 31 are lower, the requirements on the size between the direction selector 3 and the connecting portion 20 are also lower, and the requirements on the size are not required to be too accurate.
The other situation is that: the inner diameter of the inner hole of the direction selector 3 is matched with the outer diameter of the connecting part 20, and the direction selector 3 is limited on the connecting part 20 by the matching of the limiting lug 200 and the limiting groove 21 and can axially rotate; in this way, the requirement on the shapes of the limit projection 200 and the limit groove 31 is high, and the requirement on the size between the direction selector 3 and the connecting portion 20 is also high, but the connecting process of the direction selector 3 and the connecting portion 20 can be omitted, and after the direction selector 3 is sleeved on the driving rod 2, the limit projection 200 can be installed on the connecting portion 20 in the manner of pins, screws and the like, so that the assembling process can be saved, and the cost can be reduced.
Preferably, both ends of the unlocking rod 1 are provided with unlocking heads 10, the driving rod 2 is vertically connected to the middle position of the unlocking rod 1, the structure is simple, the use is convenient, and 2 different unlocking heads 10 can be arranged to deal with 2 switch types with sizes and/or shapes.
Preferably, the unlocking head 10 is sleeved on the unlocking rod 1, the unlocking rod 1 is provided with a pin shaft 11, and the unlocking head 10 is axially provided with a pin shaft movable groove 100 matched with the pin shaft 11; through the cooperation of round pin axle 11 and round pin axle movable slot 100, make when closing a floodgate or separating brake, unblock lever 1 is driven and rotates, round pin axle 11 still has a movable space in round pin axle movable slot 100 this moment, just can drive unblock head 10 and rotate thereupon and unblock when unblock lever 1 rotates to round pin axle 11 and withstands the inner wall of round pin axle movable slot 100, this kind of setting can prolong the divide-shut brake action, leave operating personnel's reaction time during the extension operation, improve discovery misoperation's probability, in addition, rotatable unblock head 10, it is also more convenient when the counterpoint of unblock head 10 and switch contact.
Example two
Another embodiment of the present invention is basically the same as the first embodiment, and the same parts are not repeated, but the difference is that, as shown in fig. 4, the direction selector 3 includes a first shielding bar 32 for shielding the turning part 21 from rotating clockwise in one direction, a second shielding bar 33 for shielding the turning part 21 from rotating counterclockwise in one direction, and a locking sleeve 34; the locking sleeve 34 is sleeved on the connecting part 20, and the locking sleeve 34 is connected with the connecting part 20 or the unlocking rod 1 through an elastic part 35; the outer surface of the end, connected with the steering part 21, of the connecting part 20 is provided with two accommodating grooves 201 which respectively correspond to the first stop bar 32 and the second stop bar 33; the first gear piece 32 and the second gear piece 33 can be rotatably received in the corresponding receiving groove 201;
a different gear adjustment manner from that of the direction selector 3 in the first embodiment: when the locking device is used, one of the first shielding strip 32 and the second shielding strip 33 is arranged in the accommodating groove 201, the other one of the first shielding strip and the second shielding strip extends out of the accommodating groove 201 to shield the steering part, the locking sleeve 34 is sleeved outside the first shielding strip 32 and the second shielding strip 33 to maintain the state of the locking sleeve, and the position of the locking sleeve 34 is maintained through the elastic piece 35; during adjustment, the locking sleeve 34 is moved toward the unlocking lever 1, the elastic member 35 is compressed, and after the locking sleeve 34 is moved away from the facing position of the receiving groove 201, the states of the first rail 32 and the second rail 33 can be adjusted.
EXAMPLE III
Another embodiment of the present invention is substantially the same as the first embodiment, and the same parts are not repeated, but the difference is that, as shown in fig. 5, the direction selector 3 includes two blocking pieces 36 detachably connected to the connecting portion 20, and the two blocking pieces 36 respectively correspond to the steering portion 21 and limit the unidirectional clockwise rotation and the unidirectional counterclockwise rotation of the steering portion; in this way, the blocking piece 36 and the connecting part 20 can be assembled and disassembled directly in the ways of screwing the screw 37 and the like, so that the purpose of quickly switching gears is achieved;
it is understood that the direction selector for one-way restriction by rotation of the turning part 21 based on the above concept and many possible structures can be realized by those skilled in the art, and the structural change without creative efforts shall fall within the protection scope of the present application.
Example four
The use method of the anti-misoperation type operating handle of the load switch/the isolating switch comprises the following steps of: when switching on or separating brake operation, with the unblock head correspond the cover and establish on the switch contact, adjust the gear of direction selector to suitable position: if need clockwise rotation actuating lever, then adjust to first gear, prevent the clockwise rotation trend of turning to the portion through the direction selector for drive power can be applyed on the unblock pole, and then drive unblock head rotation unblock, if need anticlockwise rotation actuating lever, then adjust the second gear, prevent the anticlockwise rotation trend of turning to the portion through the direction selector, make drive power can be applyed on the unblock pole, and then drive unblock head rotation unblock.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. A load switch/disconnecting switch anti-misoperation type operating handle comprises an unlocking rod and a driving rod, wherein the unlocking rod is connected with the driving rod, the driving rod is used for driving the unlocking rod to rotate under the action of external force, and an unlocking head is arranged on the unlocking rod; the driving rod comprises a connecting part fixedly or detachably connected with the unlocking rod and a steering part rotationally connected with the connecting part; when the brake is switched on and switched off, the plane of the rotating track of the steering part is parallel to the plane of the rotating track of the unlocking head; the connecting part is provided with a direction selector; the direction selector is provided with a first gear for limiting the unidirectional clockwise rotation of the steering part and a second gear for limiting the unidirectional anticlockwise rotation of the steering part; the direction selector is in a sleeve shape and is sleeved on the connecting part and the steering part; but direction selector with connecting portion axial rotation, be provided with on the direction selector and supply turning to the portion rotation fluting that stretches out.
2. The misoperation-preventive operating handle for the load switch/disconnecting switch according to claim 1, wherein a limiting bump is arranged on the outer surface of the connecting part, and a circular arc-shaped limiting groove matched with the limiting bump is coaxially arranged on the direction selector.
3. The on/off switch anti-misoperation type operating handle according to claim 1, wherein the direction selector is axially and rotatably connected with the connecting portion.
4. The misoperation-preventive operating handle for the load switch/disconnecting switch according to claim 2, wherein the inner diameter of the inner hole of the direction selector is matched with the outer diameter of the connecting part, and the direction selector is limited on the connecting part by the limit lug and the limit groove and can rotate axially.
5. The anti-misoperation type operating handle for the load switch/isolating switch according to any one of claims 1 to 4, wherein unlocking heads are arranged at two ends of the unlocking rod, and the driving rod is vertically connected to the middle position of the unlocking rod.
6. The misoperation-preventive operating handle for the load switch/disconnecting switch according to any one of claims 1 to 4, wherein the unlocking sleeve is sleeved on the unlocking rod, the unlocking rod is provided with a pin shaft, and the unlocking head is axially provided with a pin shaft moving groove matched with the pin shaft.
7. A method for using a load switch/disconnecting switch anti-misoperation type operating handle is applied to the load switch/disconnecting switch anti-misoperation type operating handle as claimed in any one of claims 1 to 6, and is characterized in that the method comprises the following steps: when switching on or separating brake operation, with the unblock head correspond the cover and establish on the switch contact, adjust the gear of direction selector to suitable position: if need clockwise rotation actuating lever, then adjust to first gear, prevent the clockwise rotation trend of turning to the portion through the direction selector for drive power can be exerted on the unblock pole, and then drive unblock head rotation unblock, if need anticlockwise rotation actuating lever, then adjust the second gear, prevent the anticlockwise rotation trend of turning to the portion through the direction selector, make drive power can be exerted on the unblock pole, and then drive unblock head rotation unblock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010209357.6A CN111370257B (en) | 2020-03-23 | 2020-03-23 | Anti-misoperation type operating handle for load switch/isolating switch and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010209357.6A CN111370257B (en) | 2020-03-23 | 2020-03-23 | Anti-misoperation type operating handle for load switch/isolating switch and using method thereof |
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| Publication Number | Publication Date |
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| CN111370257A CN111370257A (en) | 2020-07-03 |
| CN111370257B true CN111370257B (en) | 2023-03-24 |
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| CN202010209357.6A Active CN111370257B (en) | 2020-03-23 | 2020-03-23 | Anti-misoperation type operating handle for load switch/isolating switch and using method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114628174B (en) * | 2022-02-15 | 2023-08-15 | 江苏核电有限公司 | Self-adaptive unlocking device of electrical switch cabinet |
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