CN215220597U - Be used for permanent magnet circuit breaker to aerify outside operating means of cabinet - Google Patents
Be used for permanent magnet circuit breaker to aerify outside operating means of cabinet Download PDFInfo
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- CN215220597U CN215220597U CN202120706388.2U CN202120706388U CN215220597U CN 215220597 U CN215220597 U CN 215220597U CN 202120706388 U CN202120706388 U CN 202120706388U CN 215220597 U CN215220597 U CN 215220597U
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Abstract
The utility model provides an be used for permanent magnetism type circuit breaker to aerify outside operating device of cabinet, by including circuit breaker operating device, mechanical interlocking device and isolator operating device under last in proper order, connect through mechanical interlocking device between circuit breaker operating device and the isolator operating device, interlocking device includes first pull rod, intermediate head and second pull rod. The breaker operating mechanism realizes emergency opening and closing of a breaker under emergency conditions, the isolation switch operating mechanism is provided to realize power grid isolation, junction line changing, closing and breaking, the third part is an integral mechanical interlock, the isolation switch can be operated through an external mechanism under the condition of closing of the breaker switch through the mechanical interlock to play a protection role, and the two pull rods can rotate relatively, so that the connection strength is guaranteed, a dislocation space can be provided, and the reliability and flexibility of the interlock are guaranteed. The whole structure is simple, the installation is convenient, the mechanical life test is carried out, and the strength reliability of the mechanism is ensured.
Description
Technical Field
The utility model relates to an aerify the cabinet field, concretely relates to be used for permanent magnetism type circuit breaker to aerify outside operating device of cabinet.
Background
The gas-filled cabinet is indoor alternating-current high-voltage gas insulated metal-enclosed switchgear, the main switch can be a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker, the whole cabinet is combined with a sulfur hexafluoride gas compartment in an air insulation mode, and the gas-filled cabinet is compact and expandable and is suitable for distribution automation.
For the existing 12kVSF6 permanent magnet type circuit breaker inflating cabinet operating mechanism, the upper circuit breaker operating mechanism is easy to generate clamping stagnation during transmission, so that an internal switch is blocked and cannot be switched off and switched on, safety accidents easily occur, for the lower isolating switch external operating mechanism, linkage from the circuit breaker to the isolating switch external operating mechanism is unreliable, the condition that an isolating switch operating shaft cannot be shielded or is not tight in shielding, and safety accidents easily occur.
SUMMERY OF THE UTILITY MODEL
Therefore, the external operating mechanism for the permanent magnet type circuit breaker gas-filled cabinet needs to be provided, and the problems that the interlocking from the circuit breaker to the external operating mechanism of the isolating switch is unreliable and safety accidents are easy to happen are solved.
In order to achieve the purpose, the application provides an external operating mechanism for a permanent magnet type circuit breaker gas charging cabinet, which sequentially comprises a circuit breaker operating mechanism, a mechanical interlocking mechanism and a disconnecting switch operating mechanism from top to bottom, wherein the circuit breaker operating mechanism and the disconnecting switch operating mechanism are connected through the mechanical interlocking mechanism;
the mechanical interlocking mechanism comprises a first pull rod, an intermediate joint and a second pull rod, one end of the first pull rod is rotatably connected with the circuit breaker operating mechanism, the other end of the first pull rod is connected with the intermediate joint, one end of the second pull rod is connected with the intermediate joint, and the other end of the second pull rod is rotatably connected with the isolating switch operating mechanism.
Furthermore, the circuit breaker operating mechanism comprises a shell, an operating shaft, a first shaft sleeve, a microswitch, a cam rotating shaft and a connecting piece, wherein the operating shaft is rotatably arranged on the shell, the first shaft sleeve is sleeved on the operating shaft, the cam rotating shaft is sleeved on the operating shaft, the microswitch is arranged on one side of the cam rotating shaft, when the protruding end of the cam rotating shaft rotates to one side of the microswitch, the cam rotating shaft is contacted with the control end of the microswitch, one end of the connecting piece is arranged on the end part of the operating shaft, and the other end of the connecting piece is connected with the mechanical interlocking mechanism;
one end of the first pull rod, which is far away from the middle joint, is rotatably connected with the connecting piece.
Furthermore, isolator operating device includes isolator mechanism and interlocking baffle, the rotatable setting of interlocking baffle is in on the isolator mechanism, just the second pull rod is kept away from the rotatable setting of one end of first pull rod is in on the interlocking baffle, the second pull rod is used for driving the interlocking baffle rotates, the one end that the pivot was kept away from to the interlocking baffle is used for blocking and sheltering the handle hole on the isolator operating device.
Furthermore, the isolating switch operating mechanism also comprises a connecting shaft sleeve, a first positioning shaft sleeve and a second positioning shaft sleeve, wherein the first positioning shaft sleeve is arranged on the isolating switch mechanism, the connecting shaft sleeve is sleeved on the first positioning shaft sleeve, and the interlocking baffle sleeve is rotatably arranged on the connecting shaft sleeve;
the second positioning shaft sleeve is arranged on the interlocking baffle, and one end of the second pull rod, which is far away from the first pull rod, is rotatably sleeved on the second positioning shaft sleeve.
Furthermore, a switch-on and switch-off indicating rod is further arranged on the connecting piece and used for displaying the switch state of the isolating switch operating mechanism.
Further, the first pull rod is in threaded connection with the middle joint, and the second pull rod is in threaded connection with the middle joint.
Further, the shell comprises a bottom plate and a middle plate, a plurality of fixing holes are formed in the bottom plate, screws fix the bottom plate on the box plate through the fixing holes, and the middle plate is fixed on the bottom plate through bolts.
Further, the casing still includes the support frame, the support frame passes through the bolt fastening in on the medium plate, and the operating shaft passes through the support frame.
Further, the device also comprises a second shaft sleeve;
the second shaft sleeve is sleeved on the operating shaft, the second shaft sleeve is positioned at one end, far away from the shell, of the first shaft sleeve, and the second shaft sleeve is sleeved on the supporting frame.
Further, the first bushing and the second bushing have a hardness less than a hardness of the operating shaft.
Be different from prior art, above-mentioned technical scheme provides an outside operating device that is used for permanent magnetism type circuit breaker to aerify cabinet, by upper and lower including circuit breaker operating device, mechanical interlocking device and isolator operating device in proper order, pass through between circuit breaker operating device and the isolator operating device mechanical interlocking device connects, mechanical interlocking device includes first pull rod, intermediate head and second pull rod.
During operation, at first part circuit breaker operating device, under emergency, realize urgent separating brake circuit breaker switch, the protection safety, the second part has isolator operating device, realize that the electric wire netting is kept apart, trade the tie circuit, close and break off, the third part is whole mechanical interlocking, through two continuous pull rods of mechanical interlocking device, prevent that circuit breaker switch from can passing through external mechanism operation isolator under the circumstances of closing a floodgate, play the guard action, and two pull rods can rotate relatively, both guarantee the intensity of connecting, can provide the dislocation space again, guarantee interlocking reliability and flexibility. The whole structure is simple, the installation is convenient, the mechanical life test is carried out, and the strength reliability of the mechanism is ensured.
Drawings
FIG. 1 is a three-dimensional view of an embodiment of an external operating mechanism of a permanent magnet circuit breaker gas charging cabinet;
FIG. 2 is a front view of an embodiment of an external operating mechanism of a permanent magnet circuit breaker gas charging cabinet;
FIG. 3 is a left side view of an embodiment of an external operating mechanism of a permanent magnet circuit breaker inflatable cabinet;
FIG. 4 is a left side view of an embodiment of an external operating mechanism of a permanent magnet circuit breaker inflatable cabinet;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a right side view of an embodiment of the permanent magnet circuit breaker inflatable cabinet external operating mechanism;
fig. 7 is a partial enlarged view of fig. 6 at B.
Description of reference numerals:
1.1, operating shaft; 1.2, a bottom plate; 1.3, a middle plate; 1.4, a support frame; 1.5, fixing sleeves of connecting pieces; 1.6, a separation and combination indicating rod; 1.7, a microswitch; 1.8, a first shaft sleeve; 1.9, a cam rotating shaft; 1.10, a second shaft sleeve;
2.1, isolating the switch mechanism; 2.2, interlocking the baffle; 2.3, connecting the shaft sleeve; 2.4, a first positioning shaft sleeve; 2.5, a second positioning shaft sleeve;
3.1, a first pull rod; 3.2, an intermediate joint; 3.3, a second pull rod.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 3, the present embodiment provides an external operating mechanism for a 12kVSF6 permanent magnet type circuit breaker gas charging cabinet, which sequentially includes a circuit breaker operating mechanism, a mechanical interlocking mechanism and a disconnecting switch operating mechanism from top to bottom, and the circuit breaker operating mechanism and the disconnecting switch operating mechanism are connected through the mechanical interlocking mechanism.
Specifically, as shown in fig. 3, the circuit breaker operating mechanism includes a housing, an operating shaft 1.1, a first shaft sleeve 1.8, a microswitch 1.7, a cam rotating shaft 1.9 and a connecting member, where the operating shaft 1.1 is a non-circular regular polygonal shaft, the operating shaft 1.1 is connected with the inside of the permanent magnet circuit breaker and used for performing switching-on and switching-off operations, a shaft shoulder is arranged outside the first shaft sleeve 1.8 and used for being mounted and positioned on a mounting hole position on the housing, the first shaft sleeve 1.8 is sleeved on the operating shaft 1.1, and the operating shaft 1.1 is rotatably disposed on the housing through the first shaft sleeve 1.8. The cam rotating shaft 1.9 is also sleeved on the operating shaft 1.1, the microswitch 1.7 is arranged on one side of the cam rotating shaft 1.9, when the protruding end of the cam rotating shaft 1.9 rotates to one side of the microswitch 1.7, the cam rotating shaft 1.9 is contacted with the control end of the microswitch 1.7, the microswitch 1.7 pushes the cam rotating shaft 1.9 to rotate, so that the operating shaft 1.1 rotates, and the switching operation of the remote control circuit breaker can be realized. The connecting piece is rectangular, one end is connected to the end portion of the operating shaft 1.1 through the connecting piece fixing sleeve 1.5, synchronous rotation of the connecting piece and the operating shaft 1.1 is achieved, the other end of the connecting piece is connected with a first pull rod 3.1 of the mechanical interlocking mechanism through the raised head shaft sleeve, and namely one end, far away from the middle joint 3.2, of the first pull rod 3.1 is rotatably connected with the connecting piece. Further, still be provided with deciliter indicating lever 1.6 on the connecting piece, deciliter indicating lever 1.6 is a whole with the connecting piece, and the one end of keeping away from operating axis 1.1 by the connecting piece outwards extends, and when operating axis 1.1 rotated, deciliter indicating lever 1.6 was located the centre of rotation outside, can enlarge the rotational motion of operation for deciliter indicating lever 1.6 can show isolator operating device's on-off state, makes things convenient for operating personnel to observe the on-off state, improves the security. Furthermore, the two microswitches 1.7 are symmetrically arranged on two sides of the operating shaft 1.1, the cam rotating shaft 1.9 is provided with two salient points, the two salient points correspond to the two microswitches 1.7, bidirectional rotation control of the operating shaft 1.1 is achieved, and opening and closing operations can be achieved remotely.
As shown in fig. 4 to 7, the disconnecting switch operating mechanism includes a disconnecting switch mechanism 2.1 and an interlocking baffle 2.2, the interlocking baffle 2.2 is rotatably arranged on the disconnecting switch mechanism 2.1, and one end of the second pull rod 3.3 far away from the first pull rod 3.1 is rotatably arranged on the interlocking baffle 2.2, the second pull rod 3.3 is used for driving the interlocking baffle 2.2 to rotate, and one end of the interlocking baffle 2.2 far away from the rotating shaft is used for blocking and covering an operating hole on the disconnecting switch operating mechanism, so that misoperation of personnel is prevented, and the safety of the device is improved.
The mechanical interlocking mechanism comprises a first pull rod 3.1, an intermediate joint 3.2 and a second pull rod 3.3, one end of the first pull rod 3.1 is rotationally connected with the circuit breaker operating mechanism (namely rotationally connected with the connecting piece), the other end of the first pull rod 3.1 is connected with the intermediate joint 3.2, one end of the second pull rod 3.3 is connected with the intermediate joint 3.2 (specifically, the first pull rod 3.1 is in threaded connection with the intermediate joint 3.2, the second pull rod 3.3 is in threaded connection with the intermediate joint 3.2, the first pull rod 3.1, the second pull rod 3.3 and the intermediate joint 3.2 form an adjustable pull rod), the other end of the second pull rod 3.3 is rotationally connected with the isolating switch operating mechanism (namely, the adjustable pull rod consisting of the first pull rod 3.1, the second pull rod 3.3 and the intermediate joint 3.2 is connected with an operating shaft 1.1 of the circuit breaker operating mechanism and a baffle 2.2 of the mechanical interlocking mechanism, and the circuit breaker operating mechanism and the isolating switch operating mechanism are allowed to be installed in a staggered way through the pull rods, meanwhile, the length is adjustable, the installation distance between the circuit breaker operating mechanism and the isolating switch operating mechanism can be changed, the installation flexibility is greatly improved, and meanwhile, later-stage maintenance is facilitated). Further, the first tie rod 3.1 is screwed with the intermediate joint 3.2, and the second tie rod 3.3 is screwed with the intermediate joint 3.2.
During operation, at first part circuit breaker operating device, under emergency, realize urgent separating brake circuit breaker switch, the protection safety, the second part has isolator operating device, realize that the electric wire netting is kept apart, trade the tie circuit, close and break off, the third part is whole mechanical interlocking, through two continuous pull rods of mechanical interlocking device, prevent that circuit breaker switch from can passing through external mechanism operation isolator under the circumstances of closing a floodgate, play the guard action, and two pull rods can rotate relatively, both guarantee the intensity of connecting, can provide the dislocation space again, guarantee interlocking reliability and flexibility. The whole structure is simple, the installation is convenient, the mechanical life test is carried out, and the strength reliability of the mechanism is ensured.
Further, isolator operating device still includes connecting shaft sleeve 2.3, first location axle sleeve 2.4 and second location axle sleeve 2.5, and first location axle sleeve 2.4 sets up on isolator mechanism 2.1 for the position of location interlocking baffle, and connecting shaft sleeve 2.3 cover is established on first location axle sleeve 2.4, and interlocking baffle 2.2 sets rotatable the establishing on connecting shaft sleeve 2.3 in the left end, makes interlocking baffle 2.2 sets can wind first location axle sleeve 2.4 relative rotation. The middle part on interlocking baffle 2.2 is arranged in to second location axle sleeve 2.5, and the one end that the first pull rod 3.1 was kept away from to second pull rod 3.3 passes through the rotatable setting of axle sleeve on second location axle sleeve 2.5, realizes that second pull rod 3.3 can rotate with second axle sleeve 1.10 center relatively. Connect through the axle sleeve, can avoid wearing and tearing to appear in looks pivoted position, lead to the linkage jamming, can effectively improve equipment's security.
In other embodiments, the housing includes a bottom plate 1.2 and a middle plate 1.3, the bottom plate 1.2 is provided with a plurality of fixing holes, screws are used to fix the bottom plate 1.2 to the box plate of the gas-filled cabinet through the plurality of fixing holes, and the middle plate 1.3 is fixed to the bottom plate 1.2 through bolts. Further, the casing still includes support frame 1.4, and support frame 1.4 passes through the bolt fastening on medium plate 1.3, and operating shaft 1.1 passes support frame 1.4. Meanwhile, a mounting hole position of the operating shaft 1.1 is arranged on the support frame 1.4, a second shaft sleeve 1.10 is additionally arranged, the second shaft sleeve 1.10 is positioned at one end, far away from the shell, of the first shaft sleeve 1.8, the second shaft sleeve 1.10 is sleeved on the operating shaft 1.1, the operating shaft 1.1 is rotatably connected to the support frame 1.4 through the second shaft sleeve 1.10, and two-point supporting operation is performed through the first shaft sleeve 1.8 and the second shaft sleeve 1.10, so that the rotating stability of the operating shaft 1.1 is improved.
In other embodiments, the hardness of the first shaft sleeve 1.8 and the hardness of the second shaft sleeve 1.10 are smaller than that of the operating shaft 1.1, so that the phenomenon that an internal switch is dead and cannot be switched on and off due to clamping stagnation during transmission of the operating shaft 1.1 of the upper circuit breaker operating mechanism is avoided, and safety accidents are prone to happening in the case.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (10)
1. An external operating device for a permanent magnet type circuit breaker gas charging cabinet is characterized by sequentially comprising a circuit breaker operating mechanism, a mechanical interlocking mechanism and an isolating switch operating mechanism from top to bottom, wherein the circuit breaker operating mechanism is connected with the isolating switch operating mechanism through the mechanical interlocking mechanism;
the mechanical interlocking mechanism comprises a first pull rod, an intermediate joint and a second pull rod, one end of the first pull rod is rotatably connected with the circuit breaker operating mechanism, the other end of the first pull rod is connected with the intermediate joint, one end of the second pull rod is connected with the intermediate joint, and the other end of the second pull rod is rotatably connected with the isolating switch operating mechanism.
2. The external operating device for the permanent magnet type circuit breaker gas-filled cabinet according to claim 1, wherein the circuit breaker operating mechanism comprises a housing, an operating shaft, a first shaft sleeve, a micro switch, a cam rotating shaft and a connecting piece, the operating shaft is rotatably arranged on the housing, the first shaft sleeve is sleeved on the operating shaft, the cam rotating shaft is sleeved on the operating shaft, the micro switch is arranged on one side of the cam rotating shaft, when the protruding end of the cam rotating shaft rotates to one side of the micro switch, the cam rotating shaft is contacted with the control end of the micro switch, one end of the connecting piece is arranged on the end part of the operating shaft, and the other end of the connecting piece is connected with the mechanical interlocking mechanism;
one end of the first pull rod, which is far away from the middle joint, is rotatably connected with the connecting piece.
3. The external operating device for the permanent magnet type circuit breaker gas-filled cabinet according to claim 1, wherein the disconnecting switch operating mechanism comprises a disconnecting switch mechanism and an interlocking baffle, the interlocking baffle is rotatably disposed on the disconnecting switch mechanism, and one end of the second pull rod, which is far away from the first pull rod, is rotatably disposed on the interlocking baffle, the second pull rod is used for driving the interlocking baffle to rotate, and one end of the interlocking baffle, which is far away from the rotating shaft, is used for blocking and covering an operating hole on the disconnecting switch operating mechanism.
4. The external operating device for the permanent magnet type circuit breaker gas charging cabinet as claimed in claim 3, wherein the isolating switch operating mechanism further comprises a connecting shaft sleeve, a first positioning shaft sleeve and a second positioning shaft sleeve, the first positioning shaft sleeve is arranged on the isolating switch mechanism, the connecting shaft sleeve is sleeved on the first positioning shaft sleeve, and the interlocking baffle sleeve is rotatably arranged on the connecting shaft sleeve;
the second positioning shaft sleeve is arranged on the interlocking baffle, and one end of the second pull rod, which is far away from the first pull rod, is rotatably sleeved on the second positioning shaft sleeve.
5. The external operating device for the permanent magnet type circuit breaker gas-filled cabinet as claimed in claim 2, wherein the connecting piece is further provided with a switch-on/off indicating rod, and the switch-on/off indicating rod is used for displaying the switch state of the isolating switch operating mechanism.
6. The external operating device for a permanent magnet type circuit breaker gas charging cabinet as claimed in claim 1, wherein the first pull rod is screwed with the middle joint, and the second pull rod is screwed with the middle joint.
7. The external operating device for an inflating cabinet of a permanent magnet type circuit breaker as claimed in claim 2, wherein the housing comprises a bottom plate and a middle plate, the bottom plate is provided with a plurality of fixing holes, screws are used for fixing the bottom plate to the box plate through the plurality of fixing holes, and the middle plate is fixed to the bottom plate through bolts.
8. The external operating device for the permanent magnet type circuit breaker gas charging cabinet as claimed in claim 2, wherein the housing further comprises a support frame middle plate, the support frame is fixed on the middle plate by bolts, and the operating shaft passes through the support frame.
9. The external operating device for the permanent magnet type circuit breaker gas charging cabinet as claimed in claim 8, further comprising a second bushing;
the second shaft sleeve is sleeved on the operating shaft, the second shaft sleeve is positioned at one end, far away from the shell, of the first shaft sleeve, and the second shaft sleeve is sleeved on the supporting frame.
10. The external operating device for a permanent magnet circuit breaker gas charging cabinet of claim 9, wherein the first bushing and the second bushing have a hardness less than a hardness of the operating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706388.2U CN215220597U (en) | 2021-04-07 | 2021-04-07 | Be used for permanent magnet circuit breaker to aerify outside operating means of cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706388.2U CN215220597U (en) | 2021-04-07 | 2021-04-07 | Be used for permanent magnet circuit breaker to aerify outside operating means of cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215220597U true CN215220597U (en) | 2021-12-17 |
Family
ID=79445797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120706388.2U Active CN215220597U (en) | 2021-04-07 | 2021-04-07 | Be used for permanent magnet circuit breaker to aerify outside operating means of cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215220597U (en) |
-
2021
- 2021-04-07 CN CN202120706388.2U patent/CN215220597U/en active Active
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