Primary and secondary fusion vacuum pole-mounted circuit breaker

Abstract

The utility model provides a primary and secondary fusion vacuum pole-mounted circuit breaker. The primary and secondary fusion vacuum pole-mounted circuit breaker comprises a vacuum pole-mounted circuit breaker body; the frame is arranged at the top of the vacuum column upper circuit breaker body; the two vertical plates are both fixedly mounted at the bottom of the frame; the shell is fixedly mounted at the top of the frame; the positioning mechanism is arranged at the bottom of the frame, and the positioning mechanism is used for positioning a circuit breaker body on the vacuum column; the hoisting mechanism is arranged on the inner wall of the shell, and the hoisting mechanism is used for carrying out hoisting installation on a circuit breaker body on the vacuum column; and the transmission mechanism is arranged on the inner wall of the shell. The primary and secondary fusion vacuum pole-mounted circuit breaker provided by the utility model has the advantages of being relatively convenient to overhaul, maintain, replace and install, relatively convenient to operate, and relatively time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum column mounted circuit breakers, in particular to a primary and secondary fused vacuum column mounted circuit breaker. Background Art

[0002] State Grid takes "safety, reliability, integration and efficiency" as its technical goal, takes demand as its guide and detection as its guarantee. For the pole-mounted circuit breakers in the construction and transformation of the distribution network, it follows the idea of ​​overall design standardization, functional module independence, and flexible equipment interchangeability. It gives priority to solving the problems faced in the construction of distribution automation, such as remote signal jitter, compatibility and scalability of primary and secondary interfaces, and the terminal's newly added line loss collection function. It proposes that the pole-mounted circuit breaker should be equipped with high-precision, wide-range voltage sensors and current sensors to meet the requirements of fault detection, measurement, metering and other functions and line loss calculation. To meet this requirement, the pole-mounted circuit breaker should be equipped with electronic phase current sensors, zero-sequence current sensors and voltage sensors. The existing pole-mounted vacuum circuit breakers in my country have two structures: "common box type" and "pillar type".

[0003] However, the existing primary and secondary fusion vacuum column-mounted circuit breakers are often fixed on the top of the power pole tower through a mounting frame. Therefore, when disassembling, overhauling, maintaining or replacing, lifting equipment is often required to lift the circuit breaker, which is time-consuming and labor-intensive.

[0004] Therefore, it is necessary to provide a primary and secondary fusion vacuum column mounted circuit breaker to solve the above technical problems. Utility Model Content

[0005] In order to solve the technical problem that the existing primary and secondary fused vacuum column mounted circuit breaker is inconvenient to repair, maintain, replace and install, the utility model provides a primary and secondary fused vacuum column mounted circuit breaker.

[0006] The primary and secondary fusion vacuum column circuit breaker provided by the utility model comprises: a vacuum column circuit breaker body; a frame, the frame is arranged on the top of the vacuum column circuit breaker body; two vertical plates, the two vertical plates are fixedly installed on the bottom of the frame; a shell, the shell is fixedly installed on the top of the frame; a positioning mechanism, the positioning mechanism is arranged at the bottom of the frame, the positioning mechanism is used to position the vacuum column circuit breaker body; a lifting mechanism, the lifting mechanism is arranged on the inner wall of the shell, the lifting mechanism is used to lift and install the vacuum column circuit breaker body; a transmission mechanism, the transmission mechanism is arranged on the inner wall of the shell.

[0007] Preferably, the positioning mechanism includes a bidirectional screw, a plurality of limit rods and two L-shaped positioning plates. The bidirectional screw is rotatably mounted on the two vertical plates. The plurality of limit rods are fixedly mounted on one side of the two vertical plates close to each other. The two L-shaped positioning plates are threadedly mounted on the bidirectional screw. The two L-shaped positioning plates are slidably connected to the plurality of limit rods.

[0008] Preferably, mounting plates are fixedly mounted on both sides of the vacuum column circuit breaker body, a plurality of bolts are arranged on the two mounting plates, the plurality of bolts are respectively connected to the two L-shaped positioning plates, and nuts are threadedly sleeved on the plurality of bolts.

[0009] Preferably, the hoisting mechanism includes a rotating shaft, a winch and a steel wire rope, the rotating shaft is rotatably mounted on the inner wall of the shell, the winch is fixedly sleeved on the rotating shaft, the steel wire rope is arranged on the winch, and the steel wire rope is connected to the vacuum column circuit breaker body.

[0010] Preferably, the transmission mechanism includes a worm and a worm wheel, the worm is rotatably mounted on the top of the frame, the worm is rotatably connected to the housing, the worm wheel is fixedly sleeved on the rotating shaft, and the worm is meshed with the worm wheel.

[0011] Preferably, a circular hole is opened on the frame, and a clamp is provided on the frame.

[0012] Preferably, a first hand wheel is fixedly mounted on the top end of the worm, and a second hand wheel is fixedly mounted on one end of the bidirectional screw.

[0013] Compared with the related art, the primary and secondary fusion vacuum column mounted circuit breaker provided by the utility model has the following beneficial effects:

[0014] The utility model provides a primary and secondary fusion vacuum column mounted circuit breaker. The vacuum column mounted circuit breaker body can be auxiliary positioned by a positioning mechanism, and the vacuum column mounted circuit breaker body can be hoisted by a hoisting mechanism, so that it is convenient for workers to install the vacuum column mounted circuit breaker body and to lower the vacuum column mounted circuit breaker body to the ground, so that it is convenient for workers to calmly inspect, maintain or replace the vacuum column mounted circuit breaker body on the ground. The rotating shaft and the winch can be driven to rotate by a transmission mechanism, and the two L-shaped positioning plates can be driven to approach or move away from each other by the rotation of a bidirectional screw. The vacuum column mounted circuit breaker body can be fixedly connected to the two L-shaped positioning plates by two mounting plates, a plurality of bolts and a plurality of nuts, and the steel wire rope can be extended or contracted by the rotation of the winch. The rotating shaft and the winch can be driven to rotate by a worm and a worm wheel, and the frame can be fixedly installed on the electric pole by a clamp, and the worm and the bidirectional screw can be driven to rotate respectively by a first hand wheel and a second hand wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of a primary and secondary fusion vacuum column mounted circuit breaker provided by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of a top view of the appearance structure;

[0017] Figure 3 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the medium vacuum column circuit breaker body and the mounting plate;

[0018] Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown in FIG.

[0019] Numbers in the figure: 1. Vacuum column circuit breaker body; 2. Frame; 3. Vertical plate; 4. Shell; 5. Bidirectional screw; 6. Limit rod; 7. L-shaped positioning plate; 8. Mounting plate; 9. Bolt; 10. Nut; 11. Rotating shaft; 12. Winch; 13. Wire rope; 14. Worm; 15. Worm wheel; 16. Round hole; 17. Clamp; 18. First hand wheel; 19. Second hand wheel. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1-4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a primary and secondary fusion vacuum column mounted circuit breaker provided by the utility model; Figure 2 for Figure 1 A schematic diagram of a top view of the appearance structure; Figure 3 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the medium vacuum column circuit breaker body and the mounting plate; Figure 4 for Figure 1The enlarged schematic diagram of part A shown in the figure. The primary and secondary fusion vacuum column circuit breaker includes: a vacuum column circuit breaker body 1; a frame 2, the frame 2 is arranged on the top of the vacuum column circuit breaker body 1; two vertical plates 3, both of which are fixedly installed at the bottom of the frame 2; a shell 4, the shell 4 is fixedly installed at the top of the frame 2; a positioning mechanism, the positioning mechanism is arranged at the bottom of the frame 2, and the positioning mechanism is used to position the vacuum column circuit breaker body 1; a lifting mechanism, the lifting mechanism is arranged on the inner wall of the shell 4, and the lifting mechanism is used to position the vacuum column The upper circuit breaker body 1 is hoisted and installed; the transmission mechanism is arranged on the inner wall of the shell 4, and the vacuum column circuit breaker body 1 can be auxiliary positioned by the positioning mechanism, and the vacuum column circuit breaker body 1 can be hoisted by the hoisting mechanism, so that it is convenient for the staff to install the vacuum column circuit breaker body 1 and to lower the vacuum column circuit breaker body 1 to the ground, so that it is convenient for the staff to calmly inspect, maintain or replace the vacuum column circuit breaker body 1 on the ground, and the transmission mechanism can drive the rotating shaft 11 and the winch 12 to rotate.

[0022] The positioning mechanism includes a bidirectional screw 5, a plurality of limit rods 6 and two L-shaped positioning plates 7. The bidirectional screw 5 is rotatably installed on the two vertical plates 3. The plurality of limit rods 6 are fixedly installed on the side where the two vertical plates 3 are close to each other. The two L-shaped positioning plates 7 are threadedly sleeved on the bidirectional screw 5. The two L-shaped positioning plates 7 are slidably connected to the plurality of limit rods 6. The rotation of the bidirectional screw 5 can drive the two L-shaped positioning plates 7 to move closer to or away from each other.

[0023] Mounting plates 8 are fixedly installed on both sides of the vacuum column circuit breaker body 1, and multiple bolts 9 are arranged on the two mounting plates 8. The multiple bolts 9 are respectively connected to the two L-shaped positioning plates 7, and nuts 10 are threadedly sleeved on the multiple bolts 9. The vacuum column circuit breaker body 1 can be fixedly connected to the two L-shaped positioning plates 7 through the two mounting plates 8, the multiple bolts 9 and the multiple nuts 10.

[0024] The hoisting mechanism includes a rotating shaft 11, a winch 12 and a steel wire rope 13. The rotating shaft 11 is rotatably mounted on the inner wall of the housing 4. The winch 12 is fixedly sleeved on the rotating shaft 11. The steel wire rope 13 is arranged on the winch 12. The steel wire rope 13 is connected to the vacuum column circuit breaker body 1. The steel wire rope 13 can be extended or contracted by rotating the winch 12.

[0025] The transmission mechanism includes a worm 14 and a worm wheel 15. The worm 14 is rotatably installed on the top of the frame 2. The worm 14 is rotatably connected to the housing 4. The worm wheel 15 is fixedly sleeved on the rotating shaft 11. The worm 14 is meshed with the worm wheel 15. The rotating shaft 11 and the capstan 12 can be driven to rotate through the worm 14 and the worm wheel 15.

[0026] The frame 2 is provided with a circular hole 16 , and the frame 2 is provided with a clamp 17 , through which the frame 2 is fixedly mounted on the electric pole.

[0027] A first hand wheel 18 is fixedly mounted on the top of the worm 14 , and a second hand wheel 19 is fixedly mounted on one end of the bidirectional screw 5 . The worm 14 and the bidirectional screw 5 can be driven to rotate by the first hand wheel 18 and the second hand wheel 19 , respectively.

[0028] The working principle of the primary and secondary fusion vacuum column mounted circuit breaker provided by the utility model is as follows:

[0029] The frame 2 is fixedly installed on the electric pole by the clamp 17, the vacuum column circuit breaker body 1 is connected to the wire rope 13, the first hand wheel 18 is turned, the first hand wheel 18 drives the rotating shaft 11 and the winch 12 to rotate through the worm 14 and the worm gear 15, the winch 12 pulls the vacuum column circuit breaker body 1 upward through the wire rope 13, so that the positions of the two mounting plates 8 are higher than the bottoms of the two L-shaped positioning plates 7, the second hand wheel 19 is turned, the second hand wheel 19 drives the bidirectional screw 5 to rotate, the rotation of the bidirectional screw 5 drives the two L-shaped positioning plates 7 to approach each other, so that the bottoms of the two L-shaped positioning plates 7 overlap with the two mounting plates 8, and the two mounting plates 8 are connected to the two L-shaped positioning plates 7 by multiple bolts 9 and multiple nuts 10, so as to complete the installation of the vacuum column circuit breaker body 1;

[0030] When the vacuum column circuit breaker body 1 needs to be inspected, maintained or replaced, multiple bolts 9 and multiple nuts 10 are removed, and the second hand wheel 19 is rotated in the opposite direction to move the two L-shaped positioning plates 7 away from each other, and then the first hand wheel 18 is rotated in the opposite direction to rotate the winch 12 in the opposite direction. The winch 12 slowly lowers the vacuum column circuit breaker body 1 to the ground through the wire rope 13, so that the staff can calmly inspect, maintain or replace the vacuum column circuit breaker body 1 on the ground.

[0031] Compared with the related art, the primary and secondary fusion vacuum column mounted circuit breaker provided by the utility model has the following beneficial effects:

[0032] The utility model provides a primary and secondary fusion vacuum column mounted circuit breaker. The vacuum column mounted circuit breaker body 1 can be assisted in positioning by a positioning mechanism, and the vacuum column mounted circuit breaker body 1 can be hoisted by a hoisting mechanism, so that it is convenient for workers to install the vacuum column mounted circuit breaker body 1 and to lower the vacuum column mounted circuit breaker body 1 to the ground, so that it is convenient for workers to calmly inspect, maintain or replace the vacuum column mounted circuit breaker body 1 on the ground. The transmission mechanism can drive the rotating shaft 11 and the winch 12 to rotate, and the two-way The rotation of the screw 5 can drive the two L-shaped positioning plates 7 to move closer to or away from each other. The vacuum column circuit breaker body 1 can be fixedly connected to the two L-shaped positioning plates 7 through two mounting plates 8, multiple bolts 9 and multiple nuts 10. The wire rope 13 can be extended or contracted by rotating the capstan 12. The worm 14 and the worm wheel 15 can drive the rotating shaft 11 and the capstan 12 to rotate. The frame 2 is fixedly installed on the electric pole through the clamp 17. The worm 14 and the bidirectional screw 5 can be driven to rotate respectively through the first hand wheel 18 and the second hand wheel 19.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A primary and secondary fusion vacuum column mounted circuit breaker, characterized in that: include: Vacuum column mounted circuit breaker body; A frame, the frame being arranged on the top of the circuit breaker body on the vacuum column; Two vertical plates, both of which are fixedly mounted on the bottom of the frame; A shell, the shell is fixedly mounted on the top of the frame; A positioning mechanism, the positioning mechanism is arranged at the bottom of the frame, and the positioning mechanism is used to position the vacuum column circuit breaker body; A hoisting mechanism, the hoisting mechanism is arranged on the inner wall of the housing, and the hoisting mechanism is used to hoist and install the vacuum column circuit breaker body; A transmission mechanism is arranged on the inner wall of the shell.

2. The primary and secondary fusion vacuum column mounted circuit breaker according to claim 1, characterized in that: The positioning mechanism includes a bidirectional screw, a plurality of limit rods and two L-shaped positioning plates. The bidirectional screw is rotatably mounted on the two vertical plates. The plurality of limit rods are fixedly mounted on the side of the two vertical plates close to each other. The two L-shaped positioning plates are threadedly mounted on the bidirectional screw. The two L-shaped positioning plates are slidably connected to the plurality of limit rods.

3. The primary and secondary fusion vacuum column mounted circuit breaker according to claim 2, characterized in that: Mounting plates are fixedly mounted on both sides of the vacuum column circuit breaker body, and multiple bolts are arranged on the two mounting plates. The multiple bolts are respectively connected to the two L-shaped positioning plates, and nuts are threadedly sleeved on the multiple bolts.

4. The primary and secondary fusion vacuum column mounted circuit breaker according to claim 2, characterized in that: The hoisting mechanism comprises a rotating shaft, a winch and a steel wire rope. The rotating shaft is rotatably mounted on the inner wall of the shell, the winch is fixedly sleeved on the rotating shaft, the steel wire rope is arranged on the winch, and the steel wire rope is connected to the vacuum column circuit breaker body.

5. The primary and secondary fusion vacuum column mounted circuit breaker according to claim 4, characterized in that: The transmission mechanism comprises a worm and a worm wheel. The worm is rotatably mounted on the top of the frame, the worm is rotatably connected to the housing, the worm wheel is fixedly sleeved on the rotating shaft, and the worm is meshed with the worm wheel.

6. The primary and secondary fusion vacuum column mounted circuit breaker according to claim 1, characterized in that: A circular hole is opened on the frame, and a clamp is arranged on the frame.

7. The primary and secondary fusion vacuum column mounted circuit breaker according to claim 5, characterized in that: A first hand wheel is fixedly mounted on the top end of the worm, and a second hand wheel is fixedly mounted on one end of the bidirectional screw.

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