CN210608282U - Lower door interlocking mechanism of SF6 combined electrical apparatus looped netowrk cabinet - Google Patents
Lower door interlocking mechanism of SF6 combined electrical apparatus looped netowrk cabinet Download PDFInfo
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- CN210608282U CN210608282U CN201921964846.1U CN201921964846U CN210608282U CN 210608282 U CN210608282 U CN 210608282U CN 201921964846 U CN201921964846 U CN 201921964846U CN 210608282 U CN210608282 U CN 210608282U
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Abstract
The utility model relates to a lower door interlocking device of SF6 combined electrical apparatus looped netowrk cabinet, including the installation base, the deflector is installed to installation base one side, and sliding connection has the hanging door pull rod of perpendicular setting in the deflector, the bottom of hanging door pull rod is equipped with the hanging door knocker, and the top is equipped with the ground connection hole baffle, the below of installation base is equipped with the power transmission axle, and the top is equipped with dials the board with power transmission axle sliding connection ground connection, be equipped with the torsional spring that resets between power transmission axle and the installation base, the one end that the transmission shaft passed the deflector is connected with the lock door pole through connecting the turning arm, and the other end is fixed with the power transmission arm, and is equipped with on the power transmission arm and dials board horizontal slip matched with lands. The utility model discloses a ground connection is dialled the horizontal slip of board and is transmitted the biography power epaxial through passing the power arm, thereby overcomes the torsion drive of reduction torsion spring and connects turning arm and lock door pole up-and-down motion, adopts rigid structure, makes the motion relation direct accurate, has guaranteed the reliability of the long-time action of lower door interlocking.
Description
Technical Field
The utility model relates to an interlocking device technical field especially relates to a lower door interlocking device of SF6 combined electrical apparatus looped netowrk cabinet.
Background
At present, most SF6 ring main units in the market have a relatively perfect interlocking mode, but still have a plurality of interlocking modes, especially the mechanical lower door interlocking is not perfect, and the long-term operation reliability needs to be improved.
For the outlet operating mechanism of the SF6 combined electrical appliance looped netowrk cabinet, the lower door interlock matched with the outlet operating mechanism is usually a pull rope type mechanism, the pull rope is made of nylon materials, the use place can be in an area with large high and low temperature change, the pull rope can be aged after long-time operation, the two end connectors are not pressed tightly, and the lower door interlock can be caused to lose efficacy, so that the lower door interlock mechanism of the SF6 combined electrical appliance looped netowrk cabinet is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lower door interlocking device of SF6 combined electrical apparatus looped netowrk cabinet adopts the stay cord structure among the solution prior art, and ageing problem appears in long-time operation stay cord.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a lower door interlocking mechanism of an SF6 combined electrical appliance ring main unit comprises an installation base, a guide plate, a grounding hole baffle, a grounding shifting plate, a force transmission arm, a force transmission shaft, a connecting crank arm, a hanging door pull rod, a hanging door buckle and a door locking rod, a guide plate is arranged on one side of the mounting base, a vertically arranged hanging door pull rod is slidably connected in the guide plate, a hanging door buckle is arranged at the bottom end of the hanging door pull rod, a grounding hole baffle plate is arranged at the top end of the hanging door pull rod, a return spring is sleeved on the door hanging pull rod positioned between the guide plate and the grounding hole baffle, a force transmission shaft is arranged below the mounting base, a grounding shifting plate which is connected with the force transmission shaft in a sliding manner is arranged above the mounting base, the door lock is characterized in that a reset torsion spring is arranged between the force transmission shaft and the mounting base, one end of the transmission shaft penetrating through the guide plate is connected with the door locking rod through a connecting crank arm, the other end of the transmission shaft is fixed with the force transmission arm, and the force transmission arm is provided with a landslide matched with the grounding shifting plate in a left-right sliding mode.
Furthermore, a height-adjusting gasket is arranged at the joint of the door hanging buckle and the door hanging pull rod and used for adjusting the height position of the hanging door.
Furthermore, a travel switch is arranged at the front end of the mounting base and below the grounding hole baffle.
Furthermore, the lower end parts of the door hanging pull rod and the door locking rod are both of a bending structure.
The utility model discloses a lower door interlocking mechanism of SF6 combined electrical apparatus looped netowrk cabinet, the ground connection is dialled the horizontal slip of board and is transmitted the power transmission epaxial through passing the power transmission arm, thereby overcomes the torsion drive of reduction torsion spring and connect turning arm and lock door pole up-and-down motion, adopts rigid structure, makes the motion relation direct accurate, has guaranteed the reliability of the long-time action of lower door interlocking, the utility model discloses can prevent that the mistake from going into electrified isolation, prevent that the mistake from closing the earthing switch, part simple structure, simple installation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention, and, with reference to the drawings, will be best understood by reference to the following drawings:
fig. 1 is a schematic front side structural view of a lower door interlocking mechanism of an SF6 combined electrical appliance ring main unit provided by the present invention;
fig. 2 is a schematic rear side structural view of a lower door interlocking mechanism of an SF6 combined electrical appliance ring main unit provided by the present invention;
in the figure: the device comprises an installation base 1, a grounding hole baffle 2, a reset spring 3, a guide plate 4, a hanging door pull rod 5, a heightening gasket 6, a hanging door buckle 7, a travel switch 8, a grounding shifting plate 9, a force transmission arm 10, a force transmission shaft 11, a reset torsion spring 12, a connecting crank arm 13 and a door locking rod 14.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
With reference to fig. 1 and 2, the utility model discloses a lower door interlocking device of SF6 combined electrical apparatus looped netowrk cabinet, including installation base 1, deflector 4, ground connection hole baffle 2, ground connection shifting plate 9, biography power arm 10, biography power axle 11, connection turning arm 13, hanging door pull rod 5, hanging door knocker 7 and lock door pole 14. Wherein, install 1 one side of base and install deflector 4, sliding connection has the hanging door pull rod 5 of perpendicular setting in deflector 4, and the bottom of hanging door pull rod 5 is equipped with hanging door knocker 7, and the top of hanging door pull rod 5 is equipped with ground connection hole baffle 2, and is equipped with reset spring 3 on the hanging door pull rod 4 that is located between deflector 4 and the ground connection hole baffle 2. The installation base 1's below is equipped with biography power axle 11, the top be equipped with biography power axle 11 sliding connection ground connection dial plate 9, ground connection dial plate 9 can be on biography power axle 11 horizontal slip, be equipped with reset torsion spring 12 between biography power axle 11 and the installation base 1, the one end that biography power axle 11 passed deflector 4 is connected with lock door pole 14 through connecting turning arm 13, the other end is fixed with the biography power arm 10, and be equipped with on the biography power arm 10 with ground connection dial plate 9 horizontal slip matched with landslide.
As an embodiment of the present invention, as shown in fig. 1, the front end of the mounting base 1 and the lower side of the grounding hole baffle 2 are provided with a travel switch 8, and the grounding hole baffle 2 is tightly attached to the front end surface of the grounding operation hole of the operating mechanism. The lower end parts of the door hanging pull rod 5 and the door locking rod 14 are both of a bending structure, so that the space occupied by a fuse cylinder and interlocking on the lower part of the ring main unit of the combined electrical appliance can be avoided. The joint of the door hanging buckle 7 and the door hanging pull rod 5 is provided with a height adjusting gasket 6, and the height position of the hanging door is adjusted through the height adjusting gasket 6.
When the lower door of the ring main unit of the combined electrical appliance is not provided with the door buckle 7, the door hanging pull rod 5 blocks the mechanism grounding operation hole under the restoring force action of the reset spring 3, and at the moment, no matter the grounding switch is in the closing/opening position, the grounding operation hole is blocked by the grounding hole shifting plate, and the grounding switch cannot be operated.
When the lower door of the ring main unit of the combined electrical appliance is hung with the door buckle 7, the earthing switch is in the condition of the switch-on position: when the earthing switch is operated in the mechanism earthing operation hole and at the closing position, the leftwards sliding of the earthing dial plate 9 is transmitted to the force transmission shaft 11 through the force transmission arm 10, the torsion of the reset torsion spring 12 is overcome, the connecting crank arm 13 and the door locking rod 14 are driven to move upwards, the door locking rod 14 is not inserted into the lower door, the door hanging pull rod 5 moves downwards due to the self weight of the lower door of the ring main unit of the combined electrical appliance, the resilience force of the reset spring 3 is overcome, the earthing hole baffle 2 also moves downwards, the earthing operation hole is completely exposed, and the switching-on and switching-off operation of the earthing switch can be operated.
When the lower door of the ring main unit of the combined electrical appliance is hung with the door buckle 7, the grounding switch is in the condition of the opening position: when the grounding switch is operated by the mechanism grounding operation hole and is in a brake separating position, the grounding shifting plate 9 slides rightwards, the resetting torsion force of the resetting torsion spring 12 drives the connecting crank arm 13 and the door locking rod 14 to move downwards, the door locking rod 14 is inserted into the lower door, namely, the lower door of the ring main unit of the combined electrical appliance cannot be lifted, and the load switch can be switched on and off at the moment.
The above-mentioned embodiments further explain in detail the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only the embodiments of the present invention, and are not intended to limit the scope of the present invention, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (4)
1. The utility model provides a lower door interlocking device of SF6 combined electrical apparatus looped netowrk cabinet which characterized in that: comprises an installation base (1), a guide plate (4), a grounding hole baffle plate (2), a grounding shifting plate (9), a force transmission arm (10), a force transmission shaft (11), a connecting crank arm (13), a hanging door pull rod (5), a hanging door buckle (7) and a door locking rod (14), wherein the guide plate (4) is installed on one side of the installation base (1), the hanging door pull rod (5) which is vertically arranged is connected in the guide plate (4) in a sliding way, the bottom end of the hanging door pull rod (5) is provided with the hanging door buckle (7), the top end of the hanging door pull rod is provided with the grounding hole baffle plate (2), a reset spring (3) is sleeved on the hanging door pull rod (5) which is positioned between the guide plate (4) and the grounding hole baffle plate (2), the force transmission shaft (11) is arranged below the installation base (1), the grounding shifting plate (9) which is connected with the force transmission shaft (11) in a sliding way is arranged above the hanging door pull rod, and a reset torsion spring (12, one end of the transmission shaft penetrating through the guide plate (4) is connected with a door locking rod (14) through a connecting crank arm (13), the other end of the transmission shaft is fixed with a transmission arm (10), and a landslide matched with the grounding shifting plate (9) in a left-right sliding mode is arranged on the transmission arm (10).
2. The lower door interlocking mechanism of the SF6 combined electrical apparatus looped netowrk cabinet of claim 1, characterized in that: and a height-adjusting gasket (6) is arranged at the joint of the hanging door buckle (7) and the hanging door pull rod (5) and used for adjusting the height position of the hanging door.
3. The lower door interlocking mechanism of the SF6 combined electrical apparatus looped netowrk cabinet of claim 1, characterized in that: the front end of the mounting base (1) is provided with a travel switch (8) below the grounding hole baffle (2).
4. The lower door interlocking mechanism of the SF6 combined electrical apparatus looped netowrk cabinet of claim 1, characterized in that: the lower end parts of the door hanging pull rod (5) and the door locking rod (14) are both of a bending structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921964846.1U CN210608282U (en) | 2019-11-14 | 2019-11-14 | Lower door interlocking mechanism of SF6 combined electrical apparatus looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921964846.1U CN210608282U (en) | 2019-11-14 | 2019-11-14 | Lower door interlocking mechanism of SF6 combined electrical apparatus looped netowrk cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN210608282U true CN210608282U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921964846.1U Active CN210608282U (en) | 2019-11-14 | 2019-11-14 | Lower door interlocking mechanism of SF6 combined electrical apparatus looped netowrk cabinet |
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| CN (1) | CN210608282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936940A (en) * | 2021-10-19 | 2022-01-14 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolating circuit breaker |
-
2019
- 2019-11-14 CN CN201921964846.1U patent/CN210608282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936940A (en) * | 2021-10-19 | 2022-01-14 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolating circuit breaker |
| CN113936940B (en) * | 2021-10-19 | 2024-04-26 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolation breaker |
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