CN206210638U - Pull operation mechanism used by middle pressure AC distribution ring main unit - Google Patents

Abstract

The utility model discloses a spring operation mechanism used in a medium-voltage AC power distribution ring network cabinet, and aims to provide a spring operation mechanism used in a medium-voltage AC power distribution ring network cabinet with simple structure, in place energy storage and stable operation. The utility model comprises a frame, a closing energy storage mechanism arranged on the frame, a closing mechanism mechanically connected with the closing energy storage mechanism, and an opening energy storage mechanism mechanically connected with the closing mechanism. . An opening mechanism and an electric mechanism mechanically connected to the opening energy storage mechanism, the closing energy storage mechanism includes a closing secondary spring (1), and the opening energy storage mechanism includes an opening secondary spring ( 2), the closing mechanism and the opening mechanism are mechanically and electrically connected to the electric mechanism, and the closing secondary spring (1) and the opening secondary spring (2) each include a A female spring and a subspring arranged in the female spring. The utility model is applied to the technical field of reclosing spring operating mechanisms.

Description

The spring operation mechanism used in the medium voltage AC power distribution ring network cabinet

technical field

The utility model relates to a reclosing spring operation mechanism, in particular to a spring operation mechanism used in a medium-voltage AC power distribution ring network cabinet.

Background technique

In the actual operation of the existing reclosing spring operating mechanism, occasional situations may occur that the energy storage is not in place, the closing is stuck, the opening and tripping are delayed, or the buckling cannot be released due to low voltage. Seriously affect the stability and safety of electricity consumption, and increase the economic losses caused by power outages. In the final analysis, the above-mentioned problems still depend on the structural design of the mechanism and the stability of the spring. Based on the above problems, we need a reclosing spring operating mechanism with good stability and reasonable structural design.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a spring operating mechanism for a medium-voltage AC power distribution ring network cabinet with simple structure, in place energy storage and stable operation.

The technical solution adopted by the utility model is: the utility model includes a frame, a closing energy storage mechanism arranged on the frame, a closing mechanism mechanically connected with the closing energy storage mechanism, and a closing The opening energy storage mechanism mechanically connected to the opening mechanism, the opening mechanism and the electric mechanism mechanically connected to the opening energy storage mechanism, the closing energy storage mechanism includes a closing secondary spring, and the opening energy storage mechanism It includes a gate-opening secondary spring, the closing mechanism and the opening mechanism are mechanically and electrically connected to the electric mechanism, and the closing secondary spring and the opening secondary spring both include a primary spring and a sub-spring located in the female spring.

Further, the frame includes a bottom plate, and a partition plate is provided in the middle of the frame, one end of the closing secondary spring is fixed on the bottom plate, and the closing energy storage mechanism also includes an energy storage gear operating shaft , an energy storage interlock shaft and a swing arm, the energy storage interlock shaft is provided with a gear that cooperates with the energy storage gear operating shaft and one end of the energy storage interlock shaft passes through the partition and passes through the The swing arm is mechanically connected with the other end of the closing secondary spring.

Further, the closing mechanism includes a closing shaft and a closing interlocking shaft cooperating with the closing shaft, a closing lever and a closing screw are arranged on the closing interlocking shaft, and the closing interlocking shaft There is also a closing pressure finger between the shaft and the energy storage interlock shaft; a cam is also provided on the energy storage interlock shaft, and the closing mechanism also includes a connecting rod connected with the cam, and a The connecting rod shaft joint connected with the connecting rod, the linkage rod shaft connected with the linkage rod joint and the switch main shaft connected with the linkage rod shaft, the connecting rod is provided with a connecting rod shaft.

Further, one end of the gate-opening master spring is fixedly connected to the upper surface of the partition plate, and the other end is provided with a gate-opening spring link, and the gate-opening spring link is mechanically connected to the switch main shaft.

Further, the opening mechanism includes an opening shaft and an opening interlocking shaft cooperating with the opening shaft, and an opening screw and an opening rod are arranged on the opening interlocking shaft.

Further, the frame also includes a top plate, the electric mechanism is arranged on the top plate, and the electric mechanism includes a complete auxiliary switch, a travel switch, a toggle sleeve, an indicator board, an energy storage motor, and all The closing button matched with the closing mechanism, the opening button and the tripping coil matched with the opening mechanism.

Further, the opening energy storage mechanism is also provided with an opening spring limit block cooperating with the opening secondary spring.

Further, a spring fixing piece is provided at the fixed end of the closing secondary spring, and a spring connection block is provided between the closing secondary spring and the swing arm.

The beneficial effects of the utility model are: since the utility model includes a frame, the closing energy storage mechanism arranged on the frame, the closing mechanism mechanically connected with the closing energy storage mechanism, and the closing The opening energy storage mechanism mechanically connected to the mechanism, the opening mechanism and the electric mechanism mechanically connected with the opening energy storage mechanism, the closing energy storage mechanism includes a closing secondary spring, and the opening energy storage mechanism includes Opening gate springs, the closing mechanism and the opening mechanism are mechanically and electrically connected to the electric mechanism, so the utility model is not only simple in structure but also stable in operation, and the energy storage through the closing energy storage mechanism , the closing secondary spring is stretched, the closing button is rotated, and at the same time of closing, under the action of the closing secondary spring, the stretching of the opening secondary spring is completed through the linkage rod, When opening the brake, turn the opening button to quickly, safely and stably open the brake under the action of the main opening spring. The design of the main spring ensures that the spring is more stable during the energy storage and release process. Stablize.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the utility model;

Fig. 2 is a schematic diagram of the external structure of the utility model;

Fig. 3 is a schematic front view of Fig. 2 .

detailed description

As shown in Figures 1 to 3, the utility model includes a frame, a closing energy storage mechanism arranged on the frame, a closing mechanism mechanically connected with the closing energy storage mechanism, and a closing mechanism connected with the closing energy storage mechanism. The opening energy storage mechanism mechanically connected to the mechanism, the opening mechanism and the electric mechanism mechanically connected with the opening energy storage mechanism, the closing energy storage mechanism includes a closing secondary spring 1, and the opening energy storage mechanism It includes a gate-opening secondary spring 2, the closing mechanism and the opening mechanism are mechanically and electrically connected to the electric mechanism, and the closing secondary spring 1 and the opening secondary spring 2 both include A female spring and a child spring arranged in said female spring.

In this embodiment, the frame includes a bottom plate, and a partition plate is provided in the middle of the frame, and one end of the closing secondary spring 1 is fixed on the bottom plate, and the closing energy storage mechanism also includes The energy storage gear operation shaft 3, the energy storage interlock shaft 4 and the swing arm 5, the energy storage interlock shaft 4 is provided with a gear 6 that cooperates with the energy storage gear operation shaft 3 and the energy storage interlock One end of the shaft 4 passes through the partition and is mechanically connected to the other end of the closing secondary spring 1 through the swing arm 5 .

In this embodiment, the closing mechanism includes a closing shaft 7 and a closing interlocking shaft 8 cooperating with the closing shaft 7. The closing interlocking shaft 8 is provided with a closing lever 81 and a closing A gate screw 82, a closing pressure finger 83 is also provided between the closing interlocking shaft 8 and the energy storage interlocking shaft 4; a cam 41 is also provided on the energy storage interlocking shaft 4, and the closing The gate mechanism also includes a connecting rod 42 connected with the cam 41, a connecting rod shaft joint 43 connected with the connecting rod 42, a linkage rod shaft 44 connected with the linkage joint 43, and a connecting rod shaft 44 connected with the linkage rod shaft 44. The connected switch main shaft 45, the connecting rod 42 is provided with a connecting rod shaft 421; one end of the opening master spring 2 is fixedly connected to the upper surface of the partition plate, and the other end is provided with a opening spring link 21, so that The opening spring link 21 is mechanically connected with the switch main shaft 45 .

In this embodiment, the opening mechanism includes an opening shaft 9 and an opening interlocking shaft 10 cooperating with the opening shaft 9, and the opening interlocking shaft 10 is provided with an opening screw 101 and an opening brake lever 102 .

In this embodiment, the frame further includes a top plate, the electric mechanism is arranged on the top plate, and the electric mechanism includes an auxiliary switch 11, a travel switch 12, a toggle sleeve 13, and a sign 14. Energy storage motor 15, closing button 16 matched with the closing mechanism, opening button 17 and tripping coil 18 matched with the opening mechanism.

In this embodiment, the opening energy storage mechanism is also provided with an opening spring limit block that cooperates with the opening sub-spring 2; the fixed end of the closing sub-spring 1 is provided with a spring fixing piece , A spring connection block is provided between the closing secondary spring 1 and the swing arm 5 .

The working principle of this embodiment: the energy storage interlocking shaft 4 is driven by the energy storage gear operating shaft 3 through the gear 6, and the energy storage interlocking shaft 4 drives the swing arm 5 to move the closing gate The main spring 1 is stretched to complete the energy storage work; after the energy storage is completed, the energy stored in the closing sub-spring 1 is released through the closing button, driving the connecting rod 41 to rotate, and then driving the switch shaft 45 Complete the closing action of the switch; when the closing action is completed, it will drive the opening master spring 2 to compress and store energy. The opening shaft 9 is moved to release the opening pressure finger 422. At this time, the opening master spring 2 simultaneously releases energy to drive the switch main shaft 45 to move, thereby completing the opening action. Since each part is independent, after the closing action is completed, the closing secondary spring 1 can perform an energy storage action again.

The utility model is applied to the technical field of reclosing spring operating mechanisms.

Although the embodiment of the utility model is described with the actual scheme, it does not constitute a limitation to the meaning of the utility model. For those skilled in the art, the modification of its implementation according to this description and the combination with other schemes are all Obvious.

Claims (8)

1. A spring operating mechanism used in a medium-voltage AC power distribution ring network cabinet, which includes a frame, characterized in that: the closing energy storage mechanism arranged on the frame is mechanically connected with the closing energy storage mechanism. The connected closing mechanism, the opening energy storage mechanism mechanically connected with the closing mechanism, the opening mechanism and the electric mechanism mechanically connected with the opening energy storage mechanism, the closing energy storage mechanism includes a closing sub The main spring (1), the opening energy storage mechanism includes a main opening spring (2), the closing mechanism and the opening mechanism are both mechanically and electrically connected to the electric mechanism, and the closing sub Both the main spring (1) and the sub-branch spring (2) include a main spring and a sub-spring arranged in the main spring. 2. The spring operating mechanism used in the medium-voltage AC power distribution ring network cabinet according to claim 1, wherein the frame includes a bottom plate, a partition is also provided in the middle of the frame, and the closing gate One end of the female spring (1) is fixed on the bottom plate. The closing energy storage mechanism also includes an energy storage gear operating shaft (3), an energy storage interlock shaft (4) and a swing arm (5). The energy storage interlock shaft (4) is provided with a gear (6) that cooperates with the energy storage gear operation shaft (3), and one end of the energy storage interlock shaft (4) passes through the partition and passes through the pendulum The arm (5) is mechanically connected with the other end of the closing secondary spring (1). 3. The spring operation mechanism used in the medium-voltage AC power distribution ring main unit according to claim 2, characterized in that: the closing mechanism includes a closing shaft (7) and interacts with the closing shaft (7). The matching closing interlocking shaft (8), the closing interlocking shaft (8) is provided with a closing lever (81) and a closing screw (82), and the closing interlocking shaft (8) and the There is also a closing pressure finger (83) between the energy storage interlock shafts (4); a cam (41) is also provided on the energy storage interlock shaft (4), and the closing mechanism also includes a The connecting rod (42) connected with the cam (41), the connecting rod shaft joint (43) connected with the connecting rod (42), the linkage rod shaft (44) connected with the connecting rod joint (43) and the A switch main shaft (45) connected to the linkage rod shaft (44), and a connecting rod shaft (421) is provided on the connecting rod (42). 4. The spring operating mechanism used in the medium voltage AC power distribution ring network cabinet according to claim 3, characterized in that: one end of the switch gate spring (2) is fixedly connected to the upper surface of the partition plate, and the other end is An opening spring link (21) is provided, and the opening spring link (21) is mechanically connected to the switch main shaft (45). 5. The spring operation mechanism used in the medium-voltage AC power distribution ring network cabinet according to claim 4, characterized in that: the opening mechanism includes an opening shaft (9), and the opening shaft (9) cooperates with each other The opening interlocking shaft (10) and the opening pressure finger (422) matched with the connecting rod (42), the opening interlocking shaft (10) is provided with an opening screw (101) and an opening Rod (102). 6. The spring operation mechanism used in the medium-voltage AC power distribution ring network cabinet according to claim 5, wherein the frame further includes a top plate, the electric mechanism is arranged on the top plate, and the electric The mechanism includes an auxiliary switch (11), a travel switch (12), a toggle sleeve (13), a sign (14), an energy storage motor (15), and a closing button ( 16). The opening button (17) and the tripping coil (18) cooperating with the opening mechanism. 7. The spring operating mechanism used in the medium-voltage AC power distribution ring network cabinet according to claim 6, wherein the opening energy storage mechanism is also equipped with a spring (2) that cooperates with the opening spring (2). The opening spring limit block. 8. The elastic operating mechanism used in the medium-voltage AC power distribution ring main unit according to claim 7, characterized in that: The fixed end of the closing sub-spring (1) is provided with a spring fixing piece, and a spring connection block is provided between the closing sub-spring (1) and the swing arm (5).