CN214254232U - Isolating switch operating mechanism - Google Patents
Isolating switch operating mechanism Download PDFInfo
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- CN214254232U CN214254232U CN202023331700.9U CN202023331700U CN214254232U CN 214254232 U CN214254232 U CN 214254232U CN 202023331700 U CN202023331700 U CN 202023331700U CN 214254232 U CN214254232 U CN 214254232U
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Abstract
The utility model discloses an isolating switch operating mechanism, which comprises a first supporting seat, a gear transmission mechanism, a gear transmission shaft, a second supporting seat, a gear speed change mechanism, an operating handle and a limiting mechanism; the gear transmission mechanism is arranged on the first support seat, and the first end of the gear transmission shaft is in transmission connection with the gear transmission mechanism; the second supporting seat is fixedly connected with the first supporting seat, the gear speed change mechanism is arranged on the second supporting seat and provided with a main gear and a plurality of driven gears which are sequentially meshed, an extending shaft is arranged on the main gear, a first connecting shaft is arranged on the first driven gear, the second end of the gear transmission shaft is fixedly connected with one end of the first connecting shaft, and the first connecting shaft penetrates through the second supporting seat; the operating handle is used for connecting the other end of the first connecting shaft, and the first end of the extending shaft is fixedly connected with the limiting mechanism. According to the utility model discloses an isolator operating device, simple structure easily operates, and more safety.
Description
Technical Field
The utility model belongs to the technical field of electric power system power transmission and distribution equipment and specifically relates to an isolator operating device is related to.
Background
The three-station isolating switch is mainly applied to a switch cabinet, is specially used for the connection and isolation of an incoming bus and the grounding of a feed device, and has three functional positions: the disconnecting switch is switched on, namely a switching-on position is formed, so that the feeding device is connected with the bus to receive power; the isolating switch is isolated, namely a brake separating position, so that the feed device is disconnected with the bus; the isolating switch is grounded, namely the grounding position is switched on, so that the grounding end is switched on and reliably grounded under the condition that the feed device has no load, and the installation of the load side of the feed device and the personal safety of workers are ensured.
An external operating mechanism needs to be connected in the state switching process of the three-station isolating switch, and the three-station isolating switch is driven to be switched on, switched off and grounded through the operating mechanism. The existing operating mechanism is complex in structure and difficult to operate, improper operation may occur in the process of switching states, so that the switching is not in place, and certain potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an isolator operating device, simple structure, easily operation, and more safety.
According to the utility model discloses isolator operating device, include: the first supporting seat is provided with a gear transmission mechanism; the first end of the gear transmission shaft is in transmission connection with the gear transmission mechanism; the second supporting seat is fixedly connected with the first supporting seat; the gear speed change mechanism is arranged on the second supporting seat and is provided with a main gear and a plurality of driven gears which are sequentially meshed, an extending shaft is arranged on the main gear, one of the driven gears is a first driven gear, a first connecting shaft is arranged on the first driven gear, the second end of the gear transmission shaft is fixedly connected with one end of the first connecting shaft, and the first connecting shaft penetrates through the second supporting seat; the operating handle is used for connecting the other end of the first connecting shaft; the first end of the extension shaft is fixedly connected with the limiting mechanism, the operating handle penetrates through the limiting mechanism, and the limiting mechanism is used for limiting the stroke of the operating handle.
According to the utility model discloses isolator operating device has following beneficial effect at least: by arranging the gear speed change mechanism, the operating force of the operating handle and the operating speed of the limiting mechanism can be reasonably planned, and the operation is more convenient and more labor-saving; through setting up stop gear, can ensure that three station isolator closes a floodgate, the position of separating brake and ground connection is accurate, safe and reliable more.
According to the utility model discloses a some embodiments, be provided with among the gear change mechanism with first driven gear engaged with second driven gear, be provided with the second connecting axle on the second driven gear, the second connecting axle is worn to locate the second supporting seat, operating handle's one end detachably with first connecting axle or the transmission of second connecting axle is connected.
According to some embodiments of the utility model, stop gear includes a rotary disk, the rotation axle center department of rotary disk with the first end fixed connection of projecting shaft, be provided with isolation handle hole and ground connection handle hole on the rotary disk, be provided with spacing portion on the rotary disk, operating handle can pass the ground connection handle hole with first connecting axle transmission is connected, operating handle can pass the isolation handle hole with second connecting axle transmission is connected.
According to some embodiments of the present invention, further comprising: the switching plate is arranged on the second supporting seat and close to the first connecting shaft and the second connecting shaft, and the switching plate is rotatably connected with the second supporting seat; the two contact switches are arranged on the second supporting seat and close to two ends of the switching plate, and when the operating handle is connected with the first connecting shaft or the second connecting shaft, the switching plate can be pushed to press the corresponding contact switches; two travel switches, every travel switch with corresponding contact switch electric connection, travel switch is used for connecting the circuit breaker, in order to control the state of circuit breaker.
According to some embodiments of the utility model, gear drive includes A looks gear, B looks gear and the C looks gear that meshes in proper order, gear drive shaft's first end with B looks gear drive connects.
According to some embodiments of the utility model, gear drive still includes first transition gear and second transition gear, first transition gear set up in A looks gear with between the B looks gear, first transition gear respectively with A looks gear reaches B looks gear intermeshing, second transition gear set up in B looks gear with between the C looks gear, second transition gear respectively with B looks gear reaches C looks gear intermeshing.
According to some embodiments of the utility model, the first curb plate passes through the fix with screw on the insulation board, the head cover of screw is equipped with the isostatic pressing cap.
According to some embodiments of the utility model, first supporting seat includes relative first backup pad and the second backup pad that sets up, gear drive set up in first backup pad with between the second backup pad.
According to some embodiments of the utility model, the second supporting seat includes relative first mounting panel and the second mounting panel that sets up, first mounting panel pass through the support column with first supporting seat fixed connection, gear speed change mechanism set up in first mounting panel with between the second mounting panel.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a first view angle of an operating mechanism of an isolating switch according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of the disconnecting switch operating mechanism according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third viewing angle of the disconnecting switch operating mechanism according to the embodiment of the present invention;
fig. 4 is a front view of the disconnecting switch operating mechanism according to the embodiment of the present invention after the operating handle is hidden;
fig. 5 is a schematic structural view of the disconnecting switch operating mechanism according to the embodiment of the present invention after the operating handle and the rotating disc are hidden;
reference numerals:
the gear transmission mechanism comprises a first support seat 100, a first support plate 110, a second support plate 120, a gear transmission mechanism 200, an A-phase gear 210, a B-phase gear 220, a C-phase gear 230, a first transition gear 240, a second transition gear 250, a gear transmission shaft 300, a second support seat 400, a first mounting plate 410, a second mounting plate 420, a support column 430, a gear speed change mechanism 500, a main gear 510, an extending shaft 520, a first driven gear 530, a first connecting shaft 540, a second driven gear 550, a second connecting shaft 560, an operating handle 600, a limiting mechanism 700, a rotating disc 710, an isolation operating hole 720, a grounding operating hole 730, a limiting part 740, a switching plate 800, a contact switch 900 and a travel switch 1000.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, an operating mechanism of an isolating switch according to an embodiment of the present invention includes a first supporting seat 100, a gear transmission mechanism 200, a gear transmission shaft 300, a second supporting seat 400, a gear speed change mechanism 500, an operating handle 600, and a limiting mechanism 700; wherein, the gear transmission mechanism 200 is arranged on the first supporting seat 100, and the first end of the gear transmission shaft 300 is in transmission connection with the gear transmission mechanism 200; the second support seat 400 is fixedly connected with the first support seat 100, the gear shifting mechanism 500 is arranged on the second support seat 400, the gear shifting mechanism 500 is provided with a main gear 510 and a plurality of driven gears which are sequentially meshed, an extending shaft 520 is arranged on the main gear 510, one of the driven gears is a first driven gear 530, a first connecting shaft 540 is arranged on the first driven gear 530, the second end of the gear transmission shaft 300 is arranged at one end of the first connecting shaft 540 in a penetrating manner, and the first connecting shaft 540 is arranged on the second support seat 400 in a penetrating manner; the operating handle 600 is used for connecting the other end of the first connecting shaft 540, the first end of the protruding shaft 520 is fixedly connected with the limiting mechanism 700, the operating handle 600 is arranged in the limiting mechanism 700 in a penetrating manner, and the limiting mechanism 700 is used for limiting the stroke of the operating handle 600.
Specifically, referring to fig. 1 and 2, in the present invention, the gear shifting mechanism 500 is a three-stage gear shifting mechanism 500, and the speed variation is realized by a plurality of gears engaged in sequence; when the operating handle 600 is connected to the first connecting shaft 540, the driving gear transmission shaft 300 can be driven to operate during the rotation of the operating handle 600, so that the driving gear transmission mechanism 200 is driven by the driving gear transmission shaft 300 to operate, thereby driving the state switching of the three-position disconnecting switch. In the process of rotation of the gear transmission shaft 300, the main gear 510 in the gear speed change mechanism 500 is also driven to rotate, so as to drive the extension shaft 520 to rotate, and the extension shaft 520 drives the limiting mechanism 700 to synchronously rotate in the process of rotation, so that the limiting effect on the operating handle 600 is realized. According to the isolating switch operating mechanism of the utility model, by arranging the gear speed change mechanism 500, the operating force of the operating handle 600 and the operating speed of the limiting mechanism 700 can be reasonably planned, and the operation is more convenient and labor-saving; through setting up stop gear 700, can ensure that three station isolator closes a floodgate, the position of separating brake and ground connection is accurate, safe and reliable more.
As shown in fig. 2, the gear shifting mechanism 500 is provided with a second driven gear 550 engaged with the first driven gear 530, the second driven gear 550 is provided with a second connecting shaft 560, the second connecting shaft 560 is inserted into the second supporting seat 400, and one end of the operating handle 600 is detachably connected with the first connecting shaft 540 or the second connecting shaft 560 in a transmission manner. When the switching-on and switching-off states of the three-station disconnecting switch are to be switched, the operating handle 600 is connected with the second connecting shaft 560; when the state switching of the three-position disconnecting switch between opening and grounding is to be realized, the operating handle 600 is connected with the first connecting shaft 540.
Referring to fig. 1 to 4, the limiting mechanism 700 includes a rotating disc 710, a rotating axis of the rotating disc 710 is fixedly connected to the first end of the extending shaft 520, an isolating operation hole 720 and a grounding operation hole 730 are disposed on the rotating disc 710, a limiting portion 740 is disposed on the rotating disc 710, the operating handle 600 can penetrate through the grounding operation hole 730 to be in transmission connection with the first connecting shaft 540, and the operating handle 600 can penetrate through the isolating operation hole 720 to be in transmission connection with the second connecting shaft 560. When the switching of the switching-on state and the switching-off state of the three-station isolating switch is to be realized, the operating handle 600 penetrates through the isolating operation hole 720 and is connected with the second connecting shaft 560, the rotating disc 710 rotates under the action of the extending shaft 520 in the rotating process of the operating handle 600, when the operating handle 600 rotates anticlockwise for about 9 circles, the operating handle 600 is under the action of the limiting part 740 at the position of the isolating operation hole 720 and cannot rotate continuously, the switching of the switching-on state from the switching-off state to the switching-on state is completed at this moment, and then the operating handle 600 rotates clockwise for about 9 circles to complete the switching of the switching-on state and the switching-off state; similarly, when switching between the opening state and the grounding state of the three-position disconnecting switch is to be realized, the operating handle 600 penetrates through the grounding operation hole 710 and is connected with the first connecting shaft 540, when the operating handle 600 rotates counterclockwise for about 9 turns, the operating handle 600 is affected by the limiting part 740 at the grounding operation hole 710 and cannot rotate continuously, at this time, switching from the opening state to the grounding state is completed, and then, switching from the grounding state to the opening state can be completed by clockwise rotating the operating handle 600 for about 9 turns. The whole operation process is simple and convenient, and the state switching accuracy is high, so that the operation is safe and reliable.
As shown in fig. 5, the disconnecting switch operating mechanism according to the present invention further includes a switch plate 800, two contact switches 900 and two travel switches 1000; the switch plate 800 is disposed on the second support seat 400 near the first connecting shaft 540 and the second connecting shaft 560, the switch plate 800 is rotatably connected to the second support seat 400, the two contact switches 900 are correspondingly disposed on the second support seat 400 near two ends of the switch plate 800, and when the operating handle 600 is connected to the first connecting shaft 540 or the second connecting shaft 560, the switch plate 800 can be pushed to press the corresponding contact switch 900; each travel switch 1000 is electrically connected to a corresponding contact switch 900, and the travel switches 1000 are used to connect to a circuit breaker to control the state of the circuit breaker. In practical application, besides three-position disconnecting switches, a circuit breaker electrically connected with the three-position disconnecting switches is further arranged in the switch cabinet, and when the operating handle 600 is operated, if the circuit breaker is not subjected to power-off processing, potential safety hazards exist. By arranging the switch plate 800, when the operating handle 600 is connected to the first connecting shaft 540 or the second connecting shaft 560, the lower end of the operating handle 600 can extrude the switch plate 800, so that the switch plate 800 tilts towards the other side, and the contact switch 900 is pressed down, and the contact switch 900 transmits a signal to the corresponding travel switch 1000, so that the travel switch 1000 cuts off the power supply of the circuit breaker, thereby avoiding the mistaken switching-off and switching-on actions of the circuit breaker in the operating process, and further ensuring the safety of personnel and equipment.
As shown in fig. 2, the gear transmission mechanism 200 includes an a-phase gear 210, a B-phase gear 220, and a C-phase gear 230, which are engaged in sequence, and a first end of a gear transmission shaft 300 is in transmission connection with the B-phase gear 220. When the operating handle 600 drives the gear transmission shaft 300 to rotate, the gear transmission shaft 300 can drive the B-phase gear to rotate, so that the A-phase gear 210, the B-phase gear 220 and the C-phase gear 230 synchronously rotate, and the state switching of the three-position disconnecting switch is completed.
As shown in fig. 2, the gear transmission mechanism 200 further includes a first transition gear 240 and a second transition gear 250, the first transition gear 240 is disposed between the a-phase gear 210 and the B-phase gear 220, the first transition gear 240 is engaged with the a-phase gear 210 and the B-phase gear 220, respectively, the second transition gear 250 is disposed between the B-phase gear 220 and the C-phase gear 230, and the second transition gear 250 is engaged with the B-phase gear 220 and the C-phase gear 230, respectively. Through the arrangement, the synchronous rotation of the five gears in the gear transmission mechanism 200 can be ensured, the power output is realized, and the state switching of the three-position isolating switch is carried out.
As shown in fig. 1, the first supporting base 100 includes a first supporting plate 110 and a second supporting plate 120 which are oppositely disposed, and the gear transmission mechanism 200 is disposed between the first supporting plate 110 and the second supporting plate 120. Wherein, the first support plate 110 and the second support plate 120 can be fixed by bolts or by supporting shafts, and several gears of the gear transmission mechanism 200 are fixed between the first support plate 110 and the second support plate 120, which facilitates the assembly and the installation of the whole isolating switch operating mechanism in the switch cabinet.
As shown in fig. 1, the second support base 400 includes a first mounting plate 410 and a second mounting plate 420 that are disposed opposite to each other, the first mounting plate 410 is fixedly connected to the first support base 100 through a support column 430, and the gear shifting mechanism 500 is disposed between the first mounting plate 410 and the second mounting plate 420. Specifically, the first mounting plate 410 is connected to the second support plate 120 through the support column 430, and the first mounting plate 410 and the second mounting plate 420 can be fixed through bolts or through support shafts, so that the gear change mechanism 500 can be conveniently mounted, and the speed switching function can be realized.
In the description herein, references to the description of the term "one embodiment," "a further embodiment," "some specific embodiments," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A disconnector operating mechanism, comprising:
the first supporting seat is provided with a gear transmission mechanism;
the first end of the gear transmission shaft is in transmission connection with the gear transmission mechanism;
the second supporting seat is fixedly connected with the first supporting seat;
the gear speed change mechanism is arranged on the second supporting seat and is provided with a main gear and a plurality of driven gears which are sequentially meshed, an extending shaft is arranged on the main gear, one of the driven gears is a first driven gear, a first connecting shaft is arranged on the first driven gear, the second end of the gear transmission shaft is fixedly connected with one end of the first connecting shaft, and the first connecting shaft penetrates through the second supporting seat;
the operating handle is used for connecting the other end of the first connecting shaft;
the first end of the extension shaft is fixedly connected with the limiting mechanism, the operating handle penetrates through the limiting mechanism, and the limiting mechanism is used for limiting the stroke of the operating handle.
2. The disconnecting switch operating mechanism according to claim 1, wherein a second driven gear engaged with the first driven gear is disposed in the gear shifting mechanism, a second connecting shaft is disposed on the second driven gear, the second connecting shaft is inserted into the second supporting seat, and one end of the operating handle is detachably connected to the first connecting shaft or the second connecting shaft in a transmission manner.
3. The disconnecting switch operating mechanism according to claim 2, wherein the limiting mechanism includes a rotating disc, a rotating shaft center of the rotating disc is fixedly connected to the first end of the protruding shaft, an isolating operating hole and a grounding operating hole are formed in the rotating disc, the rotating disc is provided with a limiting portion, the operating handle can penetrate through the grounding operating hole to be in transmission connection with the first connecting shaft, and the operating handle can penetrate through the isolating operating hole to be in transmission connection with the second connecting shaft.
4. A disconnector operating mechanism according to claim 2 or 3, characterized by further comprising:
the switching plate is arranged on the second supporting seat and close to the first connecting shaft and the second connecting shaft, and the switching plate is rotatably connected with the second supporting seat;
the two contact switches are arranged on the second supporting seat and close to two ends of the switching plate, and when the operating handle is connected with the first connecting shaft or the second connecting shaft, the switching plate can be pushed to press the corresponding contact switches;
two travel switches, every travel switch with corresponding contact switch electric connection, travel switch is used for connecting the circuit breaker, in order to control the state of circuit breaker.
5. The disconnecting switch operating mechanism according to claim 1, wherein the gear transmission mechanism comprises an a-phase gear, a B-phase gear and a C-phase gear which are engaged in sequence, and the first end of the gear transmission shaft is in transmission connection with the B-phase gear.
6. The disconnecting switch operating mechanism according to claim 5, wherein the gear transmission mechanism further includes a first transition gear and a second transition gear, the first transition gear being disposed between the A-phase gear and the B-phase gear, the first transition gear being intermeshed with the A-phase gear and the B-phase gear, respectively, the second transition gear being disposed between the B-phase gear and the C-phase gear, the second transition gear being intermeshed with the B-phase gear and the C-phase gear, respectively.
7. A disconnector operating mechanism according to claim 1, 5 or 6, characterized in that the first support seat comprises a first support plate and a second support plate which are arranged opposite to each other, the gear transmission mechanism being arranged between the first support plate and the second support plate.
8. The disconnecting switch operating mechanism according to claim 1, wherein the second support base includes a first mounting plate and a second mounting plate which are disposed opposite to each other, the first mounting plate is fixedly connected to the first support base through a support column, and the gear shifting mechanism is disposed between the first mounting plate and the second mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023331700.9U CN214254232U (en) | 2020-12-31 | 2020-12-31 | Isolating switch operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023331700.9U CN214254232U (en) | 2020-12-31 | 2020-12-31 | Isolating switch operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254232U true CN214254232U (en) | 2021-09-21 |
Family
ID=77723275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023331700.9U Active CN214254232U (en) | 2020-12-31 | 2020-12-31 | Isolating switch operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254232U (en) |
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2020
- 2020-12-31 CN CN202023331700.9U patent/CN214254232U/en active Active
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