CN211182019U - Interlocking device of switch cabinet grounding switch and front lower door - Google Patents
Interlocking device of switch cabinet grounding switch and front lower door Download PDFInfo
- Publication number
- CN211182019U CN211182019U CN201922365344.3U CN201922365344U CN211182019U CN 211182019 U CN211182019 U CN 211182019U CN 201922365344 U CN201922365344 U CN 201922365344U CN 211182019 U CN211182019 U CN 211182019U
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- lower door
- front lower
- baffle
- switch
- grounding switch
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Abstract
The utility model relates to an interlocking device of a switch cabinet grounding switch and a front lower door, which can be realized by movably matching an interlocking piece arranged on a switch cabinet clapboard with a grounding switch operating mechanism and the front lower door; the interlocking piece is realized by the cooperation of a fixed support, a baffle, an upright post, an inserting piece and a torsion spring, when the grounding switch is switched off, the baffle drives the upright post to move downwards to penetrate through the front lower door under the action of the grounding switch operating mechanism, and the front lower door is in a closed state and cannot be opened. When the lower door is opened at present, under the effect of lower door and torsional spring in the front, the stand drives the baffle and moves upward to block earthing switch operating mechanism's operating axis for earthing switch operating mechanism can't carry out the separating brake operation. The interlocking piece is simple in structure, and the problem is not easy to occur in the using process, so that the normal use of the switch cabinet is ensured.
Description
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to cubical switchboard earthing switch and preceding interlock of lower door. The interlocking device is particularly suitable for the application occasions that the grounding switch of the SF6 high-voltage switch equipment and the front lower door are mutually interlocked.
Background
The switch cabinet is electrical equipment, and the five-prevention interlocking requirement needs to be met in the use and operation process of the switch cabinet, wherein a front lower door can be opened only after a switch is in a connected position, otherwise personal danger is easy to occur, so that the switch cabinet is usually provided with interlocking, and the safety of a user is ensured.
The existing front lower door interlocking of the switch cabinet generally comprises soft interlocking and hard interlocking. Wherein, soft interlocking is mostly nylon stay cord soft interlocking, and the installation is adjusted the difficulty, and bad phenomena such as easy bite, jamming and fracture take place, finally leads to unable realization normal unblock. The hard interlocking has a complex structure, more parts and complex installation, and easily causes problems in the use process, influences the normal use of equipment and even causes danger.
In view of the above, the present disclosure is made by the designer based on the further conception of the problem of the front lower door interlock device of the switch cabinet.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model aims to provide a cubical switchboard earthing switch and preceding interlock of lower door simple structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
the interlocking device comprises an interlocking piece which is arranged on a switch cabinet partition plate and is movably matched with an earthing switch operating mechanism and a front lower door, wherein the interlocking piece comprises
The fixed bracket is fixed on the partition board;
the baffle is arranged above the fixed support, and a pressing part and a clamping groove which are movably matched with the grounding switch operating mechanism are arranged on the baffle;
the upright post is movably arranged in the fixed bracket and the front lower door in a penetrating way along the vertical direction, the upper part of the upright post is fixedly connected with the baffle plate, and the lower part of the upright post is provided with a positioning rod;
the inserting piece is movably arranged in the fixed bracket in a penetrating way along the horizontal direction, and a positioning groove movably matched with the positioning rod is arranged on the inserting piece;
and one end of the torsion spring is connected with the baffle, and the other end of the torsion spring is connected with the inserting piece.
The grounding switch operating mechanism comprises an operating shaft and a cam sleeved on the end of the operating shaft; the cam is positioned above the baffle pressing part and is movably matched with the pressing part; the operating shaft is positioned above the baffle clamping groove and is movably matched with the clamping groove.
The lower end of the upright post is provided with two inclined guide surfaces which are movably matched with the front lower door.
Be equipped with first location portion and second location portion on the constant head tank of inserted sheet, first location portion is located the below of second location portion.
The device also comprises a positioning plate for limiting the sliding range of the inserting sheet, and the positioning plate is fixed on the fixing support and positioned on one side of the inserting sheet.
After the scheme of the oil adding device is adopted, the utility model discloses an interlocking spare clearance fit earthing switch operating device and preceding lower door through locating the cubical switchboard baffle can't open preceding lower door when can realizing the earthing switch separating brake, and when preceding lower door was opened, earthing switch can't carry out the separating brake operation, effectively guarantees operating personnel's personal safety. Furthermore, the utility model discloses the interlocking is realized by fixed bolster, baffle, stand, inserted sheet and torsional spring cooperation, and when earthing switch separating brake, under earthing switch operating device's effect, the baffle drives the stand and moves down to wear to establish in the front lower door, and the front lower door is in the closed condition, can't open. When the lower door is opened at present, under the effect of lower door and torsional spring in the front, the stand drives the baffle and moves upward and blocks the operating axis of earthing switch operating device for earthing switch operating device can't carry out the separating brake operation. The interlocking piece is simple in structure, and the problem is not easy to occur in the using process, so that the normal use of the switch cabinet is ensured.
Drawings
Fig. 1 is a schematic view of the combined structure of the interlocking device of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of an exploded structure of the interlock apparatus of the present invention;
fig. 4 is a schematic structural diagram of the interlocking device in a closing state of the grounding switch;
fig. 5 is a schematic structural view of the interlock device in a front lower door open state.
Detailed Description
As shown in fig. 1 to 3, the present invention discloses an interlocking device for a grounding switch and a front lower door of a switch cabinet, which comprises an interlocking piece 10 disposed on a partition board 20 of the switch cabinet and movably engaged with a grounding switch operating mechanism 30 and the front lower door 40, wherein the interlocking piece 10 comprises a fixing support 11, a baffle 12, a column 13, an inserting piece 14 and a torsion spring 15, wherein the fixing support 11 is fixed on the partition board 20; the baffle 12 is arranged above the fixed bracket 11, and is provided with a pressing part 121 and a clamping groove 122 which are movably matched with the grounding switch operating mechanism 30; the upright column 13 is movably arranged in the fixed bracket 11 and the front lower door 40 in a penetrating way along the vertical direction, the upper part of the upright column 13 is fixedly connected with the baffle plate 12, and the lower part is provided with a positioning rod 131; the inserting piece 14 is movably arranged in the fixed support 11 in a penetrating way along the horizontal direction, and a positioning groove 141 which is movably matched with the positioning rod 131 is arranged on the inserting piece 14; one end of the torsion spring 15 is connected with the baffle 12 to generate vertical downward acting force on the baffle 12, and the other end of the torsion spring is connected with the inserting piece 14 to enable the torsion spring 15 to have horizontal pulling force.
The grounding switch operating mechanism 30 includes an operating shaft and a cam sleeved on the operating shaft; the cam is positioned above the pressing part 121 of the baffle 12 and is movably matched with the pressing part 121; the operating shaft is positioned above the clamping groove 122 of the baffle plate 12 and is movably matched with the clamping groove 122.
In order to make the door fit with the upright 13 more smoothly, the lower end of the upright 13 is provided with two inclined guide surfaces 132 movably fitted with the front lower door 40.
The positioning groove 141 of the inserting sheet 14 is provided with a first positioning portion 1411 and a second positioning portion 1412, and the first positioning portion 1411 is located below the second positioning portion 1412. The positioning rod 131 is engaged with the first positioning portion 1411 or the second positioning portion 1412 in the positioning slot 141, when the positioning rod 131 is located in the first positioning portion 1411, the lower end of the upright post 13 is inserted into the front lower door 40, the blocking slot 122 at the upper end of the upright post 13 is disengaged from the operating shaft, and the cam is pressed against the pressing portion 121 of the blocking piece.
In order to limit the forward and backward movement of an inserting piece 14 to a certain extent, the device further comprises a positioning plate 16 for limiting the sliding range of the inserting piece 14, and the positioning plate 16 is fixed on the fixing support 11 and is positioned on one side of the inserting piece 14.
The working principle of the embodiment is as follows:
as shown in fig. 4 and 5, when the earthing switch is in the open state, the cam of the earthing switch operating mechanism 30 presses against the pressing portion 121 of the baffle 12, the baffle 12 drives the upright 13 to slide downward in the vertical direction, the positioning rod 131 of the upright 13 is clamped into the first positioning portion 1411 of the positioning groove 141, so that the lower end of the upright 13 penetrates into the front lower door 40, and at this time, the front lower door 40 cannot be opened.
When the front lower door 40 needs to be opened, the operating shaft of the grounding switch operating mechanism 30 is rotated to the grounding position, and the operating shaft drives the cam to a certain angle, so that the cam no longer presses the pressing part 121 of the baffle 12. The interlocking member 10 is not operated as a whole because the torsion spring 15 has a downward force to the shutter 12. At this time, in the process of pulling the front lower door 40, the front lower door 40 generates a certain acting force on the upright post 13, so that the upright post 13 is lifted up along the inclined guide surface 132, the baffle plate 12 is driven to be lifted up, the clamping groove 122 of the baffle plate locks the operating shaft, and the baffle plate blocks the operating shaft, so that the operating shaft cannot be operated. And the positioning column on the upright column 13 is inserted into the second positioning portion 1412 from the first positioning portion 1411 of the positioning slot 141, so as to complete the opening of the front lower door 40. At this time, the baffle 12 blocks the operating shaft, so that the operating handle cannot extend into the operating shaft to operate, the grounding switch cannot be opened, and the mechanism switch cannot be operated when the front lower door 40 is opened.
When the front lower door 40 needs to be closed, the front lower door 40 pushes the inserting piece 14, so that the inserting piece 14 slides backwards, and meanwhile, the positioning rod 131 on the upright 1343 slides on the positioning groove 141, and due to the gravity of the upright 13 and the downward acting force of the torsion spring 15 on the upright, the positioning rod 131 slides the first positioning part 1411 from the second positioning part 1412; the pillar 13 slides downward, and the lower end thereof is inserted into the front lower door 40 again, and the front lower door 40 is fixed. The baffle 12 moves down along with the upright post 13, the slot 122 on the baffle is separated from the operating shaft, and the grounding switch operating mechanism 30 can perform the opening operation of the grounding switch.
The utility model discloses a key lies in, the utility model discloses an interlock is through locating cubical switchboard baffle 20's interlocking 10 movable fit earthing switch operating device 30 and preceding lower door 40 can realize that earthing is unable when opening the separating brake and open preceding lower door 40, and when preceding lower door 40 was opened, earthing switch can't carry out the separating brake operation, effectively guarantees operating personnel's personal safety. Furthermore, the utility model discloses interlocking 10 is realized by fixed bolster 11, baffle 12, stand 13, inserted sheet 14 and the cooperation of torsional spring 15, and when earthing switch separating brake, under earthing switch operating device 30's effect, baffle 12 drives stand 13 and moves down to wear to establish in preceding lower door 40, and preceding lower door 40 is in the closed condition. When the front lower door 40 is opened, under the action of the front lower door 40 and the torsion spring 15, the upright post 13 drives the baffle plate 12 to move upwards to clamp the operating shaft of the grounding switch operating mechanism 30, so that the grounding switch operating mechanism 30 cannot perform opening operation. The interlocking piece 10 is simple in structure, is not prone to causing problems in the using process, and guarantees normal use of the switch cabinet.
The above description is only an embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides an interlock of cubical switchboard earthing switch and preceding lower door which characterized in that: the interlocking piece is arranged on a switch cabinet partition plate and is movably matched with the grounding switch operating mechanism and the front lower door, and the interlocking piece comprises
The fixed bracket is fixed on the partition board;
the baffle is arranged above the fixed support, and a pressing part and a clamping groove which are movably matched with the grounding switch operating mechanism are arranged on the baffle;
the upright post is movably arranged in the fixed bracket and the front lower door in a penetrating way along the vertical direction, the upper part of the upright post is fixedly connected with the baffle plate, and the lower part of the upright post is provided with a positioning rod;
the inserting piece is movably arranged in the fixed bracket in a penetrating way along the horizontal direction, and a positioning groove movably matched with the positioning rod is arranged on the inserting piece;
and one end of the torsion spring is connected with the baffle, and the other end of the torsion spring is connected with the inserting piece.
2. The interlocking device of the switch cabinet grounding switch and the front lower door as claimed in claim 1, characterized in that: the grounding switch operating mechanism comprises an operating shaft and a cam sleeved on the end of the operating shaft; the cam is positioned above the baffle pressing part and is movably matched with the pressing part; the operating shaft is positioned above the clamping groove of the baffle and is movably matched with the clamping groove.
3. The interlocking device of the switch cabinet grounding switch and the front lower door as claimed in claim 1, characterized in that: the lower end of the upright post is provided with two inclined guide surfaces which are movably matched with the front lower door.
4. The interlocking device of the switch cabinet grounding switch and the front lower door as claimed in claim 1, characterized in that: be equipped with first location portion and second location portion on the constant head tank of inserted sheet, first location portion is located the below of second location portion.
5. The interlocking device of the switch cabinet grounding switch and the front lower door as claimed in claim 1, characterized in that: the device also comprises a positioning plate for limiting the sliding range of the inserting sheet, and the positioning plate is fixed on the fixing support and positioned on one side of the inserting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365344.3U CN211182019U (en) | 2019-12-25 | 2019-12-25 | Interlocking device of switch cabinet grounding switch and front lower door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365344.3U CN211182019U (en) | 2019-12-25 | 2019-12-25 | Interlocking device of switch cabinet grounding switch and front lower door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211182019U true CN211182019U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922365344.3U Active CN211182019U (en) | 2019-12-25 | 2019-12-25 | Interlocking device of switch cabinet grounding switch and front lower door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211182019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993398A (en) * | 2019-12-25 | 2020-04-10 | 中骏智能电气科技股份有限公司 | Interlocking device of switch cabinet grounding switch and front lower door |
-
2019
- 2019-12-25 CN CN201922365344.3U patent/CN211182019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993398A (en) * | 2019-12-25 | 2020-04-10 | 中骏智能电气科技股份有限公司 | Interlocking device of switch cabinet grounding switch and front lower door |
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