CN216528717U - Grounding switch under fuse - Google Patents
Grounding switch under fuse Download PDFInfo
- Publication number
- CN216528717U CN216528717U CN202123117837.9U CN202123117837U CN216528717U CN 216528717 U CN216528717 U CN 216528717U CN 202123117837 U CN202123117837 U CN 202123117837U CN 216528717 U CN216528717 U CN 216528717U
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- rotating
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- transmission rod
- move
- grounding
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Abstract
The utility model discloses a lower grounding switch of a fuse, which comprises a grounding movable cutter head, a rotating beam and a crank arm, the transmission rod, the rotating arm, the short-circuit grounding bar and the connecting rod are mounted on the frame, the rotating arm is L-shaped, a sliding groove is formed in the side wall of the frame, one end of the connecting rod is connected with the rotating arm and drives the rotating arm to move along the sliding groove, the other end of the rotating arm is connected with one end of the transmission rod and drives the transmission rod to move, the other end of the transmission rod is connected with one end of the connecting lever, mounting screws are mounted on the mounting screws and drive the connecting lever to move, the other end of the connecting lever is fixed on the rotating beam and drives the rotating beam to move, the grounding moving blade head and the short-circuit grounding bar are fixed on the rotating beam and move along with the rotating beam, control actions are transmitted in a rotating mode and replace linear motion, space is saved, the limiting screws limit the rotating range, the moving blade head cannot excessively rotate, the sliding groove limits the overall stroke of the switch, and the grounding switch cannot be damaged.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, and particularly relates to a grounding transmission technology.
Background
The insulated switchgear for combined electrical apparatus is an electrical apparatus in which a part of a switch is completely sealed in a stainless steel gas tank, and its core components are a load switch and a fuse. The 40.5kv combined electrical appliance switch device is suitable for switching on and off small current and is mainly used for protecting transformer lines and the like. The main effect of the grounding switch is to ensure that the lower port of the switch is effectively grounded after the upper fuse is fused, and the personal safety of operation and maintenance personnel is ensured.
At present, 40.5kv combined electrical appliance switch equipment is produced by few manufacturers, the existing grounding switch scheme has the defects of small strength, transmission angle and rebound, the combined electrical appliance unit gas box is large in size and long in transmission distance, the main structure of the grounding switch needs to improve the strength, and the influence of deformation on transmission is reduced. The grounding switch operating mechanism has large strength, the grounding switch needs accurate switch travel, and can absorb redundant energy and reduce rebound.
SUMMERY OF THE UTILITY MODEL
The utility model provides a grounding switch under a fuse in order to solve the problems in the prior art, and adopts the following technical scheme in order to achieve the purpose.
The switch comprises a grounding moving knife head, a rotating beam, a connecting lever, a transmission rod, a rotating arm and a connecting rod, the switch is installed on the frame, one end of the connecting rod is connected with the rotating arm to drive the rotating arm to move, the other end of the rotating arm is connected with one end of the transmission rod to drive the transmission rod to move, the other end of the transmission rod is connected with one end of the connecting lever to drive the connecting lever to move, the other end of the connecting lever is fixed on the rotating beam to drive the rotating beam to move, and the grounding moving knife head is fixed on the rotating beam to move along with the rotating beam.
Furthermore, the rotating arm is L-shaped, the vertex angle is arranged on the side wall of the frame through a pin shaft and rotates along the pin shaft, and the two ends of the rotating arm are respectively connected with the connecting rod and the transmission rod through the pin shaft.
The lateral wall of frame sets up the sliding tray, and the one end that rotor arm and connecting rod are connected sets up long waist hole, and the round pin axle that rotor arm and connecting rod are connected passes long waist hole, and the card is gone into the sliding tray, follows the sliding tray motion.
Furthermore, two ends of the transmission rod are respectively connected with the rotating arm and the connecting lever through pin shafts, and one end connected with the connecting lever is provided with a screw to limit the rotating range of the connecting lever.
Furthermore, two ends of the rotating beam are arranged on the side wall of the frame through pin shafts and rotate along the pin shafts.
The switch also comprises a short circuit grounding bar which is arranged on the rotating beam and rotates along with the rotating beam.
The utility model has the beneficial effects that: the control action is transmitted in a rotating mode to replace linear motion, the space is saved, the limit screw limits the rotating range, the moving tool bit cannot excessively rotate, the sliding groove limits the overall stroke of the switch, and the grounding switch is protected from being damaged.
Drawings
Fig. 1 is a structure diagram of a switch.
Reference numerals: 1-grounding moving tool bit, 2-rotating beam, 3-short-circuit grounding bar, 4-frame, 5-screw, 6-transmission rod, 7-crank arm, 8-rotating arm, 9-sliding groove and 10-connecting rod.
Detailed Description
The technical scheme of the utility model is specifically explained in the following by combining the attached drawings.
The switch structure is as shown in fig. 1, and rotor arm 8 is the L type, and the apex angle passes through the round pin axle to be installed in the lateral wall of frame 2, rotates along the round pin axle, and the one end of rotor arm 8 sets up long waist hole, and the lateral wall of frame 4 sets up sliding tray 9, and the one end of round pin hub connection connecting rod 10 passes long waist hole, and the card goes into the sliding tray, along the sliding tray motion, and connecting rod 10 drives rotor arm 8 and rotates.
Two ends of the transmission rod 6 are respectively connected with a rotating arm 8 and a crank arm 7 through pin shafts, the rotating arm 8 drives the transmission rod 6 to move, the transmission rod 6 drives the crank arm 7 to rotate, a screw 5 is arranged at one end connected with the crank arm 7, and the rotating range of the crank arm 7 is limited.
Two ends of the rotating beam 2 are mounted on the side wall of the frame 4 through pin shafts, the other end of the crank arm 7 is fixed on the rotating beam 2 to drive the rotating beam 2 to rotate along the pin shafts, and the grounding moving tool bit 1 and the short circuit grounding bar 3 are mounted on the rotating beam 2 and move along with the rotating beam 2.
The above-described embodiments are not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the present invention.
Claims (6)
1. A fused grounding switch, comprising: the grounding moving cutter head, the rotating beam, the connecting lever, the transmission rod, the rotating arm and the connecting rod are arranged on the frame, one end of the connecting rod is connected with the rotating arm to drive the rotating arm to move, the other end of the rotating arm is connected with one end of the transmission rod to drive the transmission rod to move, the other end of the transmission rod is connected with one end of the connecting lever to drive the connecting lever to move, the other end of the connecting lever is fixed on the rotating beam to drive the rotating beam to move, and the grounding moving cutter head is fixed on the rotating beam to move along with the rotating beam.
2. A lower earthing switch of fuse as claimed in claim 1, wherein said rotating arm is L-shaped, the vertex angle is installed on the side wall of the frame through a pin, and rotates along the pin, and both ends are connected to the connecting rod and the transmission rod through the pin, respectively.
3. A switch grounded below a fuse as claimed in claim 2, wherein the side wall of the frame is provided with a sliding slot, one end of the connecting rod connected to the rotating arm is provided with a long waist hole, and the pin connected to the rotating arm and the connecting rod passes through the long waist hole and is clamped into the sliding slot to move along the sliding slot.
4. The lower ground switch of a fuse as claimed in claim 1, wherein both ends of the transmission rod are respectively connected to the rotary arm and the crank arm through a pin shaft, and a screw is installed at one end connected to the crank arm to limit the rotation range of the crank arm.
5. The lower ground switch of a fuse according to claim 1, wherein both ends of the turning beam are mounted to a side wall of the frame by a pin shaft to rotate along the pin shaft.
6. A fuse ground switch according to any one of claims 1 to 5, further comprising: and the short circuit grounding bar is arranged on the rotating beam and rotates along with the rotating beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123117837.9U CN216528717U (en) | 2021-12-08 | 2021-12-08 | Grounding switch under fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123117837.9U CN216528717U (en) | 2021-12-08 | 2021-12-08 | Grounding switch under fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216528717U true CN216528717U (en) | 2022-05-13 |
Family
ID=81468008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123117837.9U Active CN216528717U (en) | 2021-12-08 | 2021-12-08 | Grounding switch under fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216528717U (en) |
-
2021
- 2021-12-08 CN CN202123117837.9U patent/CN216528717U/en active Active
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