CN-120933132-B - Compact type rapid vortex repulsive force mechanism for power distribution network switch

Abstract

The invention relates to the technical field of quick mechanical switches, and discloses a compact quick vortex repulsive force mechanism for a power distribution network switch, which comprises a horizontal driving rod, a guide structural member, a first driving rod and a second driving rod, wherein a left connecting rod is fixedly connected to the left end of the horizontal driving rod, a right connecting rod is fixedly connected to the right end of the horizontal driving rod, the left connecting rod is fixedly connected with the right connecting rod through a bolt, a group of symmetrically arranged baffles are fixedly connected to the outer part of one end, close to the right connecting rod, of the left connecting rod, and a driving disc is slidably connected to the middle position of the two baffles. This kind of distribution network switch is with quick vortex repulsion mechanism of compact, when closing a floodgate state or separating brake state, the inserted block is in the jack all the time to avoid left side connecting rod to take place the displacement, again because horizontal drive pole is fixed with left side connecting rod, consequently horizontal drive pole can not take place the displacement, and the inserted block is difficult for receiving the influence of external force, and its holding power can not change by oneself, makes whole mechanism more stable.

Inventors

• LIN PEILIANG
• WU ZHE
• HUANG LULU
• XU SHOUYU
• MA BINBIN
• LIN ZEYU
• ZHANG ZAILIN
• LAI PEIRONG
• WEI ZHAOPENG
• HUANG XUEYU
• Bei Binteng
• ZHUO MENG
• CHEN XUAN
• LIAO XIAOYI
• YAO KAINAN

Assignees

• 广东电网有限责任公司汕头供电局

Dates

Publication Date

20260505

Application Date

20250812

Claims (6)

1. 1. The utility model provides a compact type quick vortex repulsion mechanism for a power distribution network switch, including horizontal driving rod (1), guide structure (2), first transfer line (3) and second transfer line (4), a serial communication port, the left end rigid coupling of horizontal driving rod (1) has left side connecting rod (8), the right-hand member rigid coupling of horizontal driving rod (1) has right side connecting rod (9), pass through bolted connection between left side connecting rod (8) and right side connecting rod (9) fixedly, the outside rigid coupling that is close to right side connecting rod (9) one end of left side connecting rod (8) has baffle (10) that a set of symmetry set up, two baffle (10) intermediate position sliding connection have driving disc (7), one side that driving disc (7) is close to left side connecting rod (8) is equipped with closing coil (5), one side that driving disc (7) is close to right side connecting rod (9) is equipped with separating brake coil (6), the centre bore of closing coil (5) and separating brake coil (6) are all passed to left side connecting rod (8) and right side connecting rod (9), the one end that left side connecting rod (8) kept away from right side connecting rod (9) has a set of baffles (12) of symmetry to set of symmetry setting, the inside plug-in block (13) of plug-in connection piece (13), the bottom of the left connecting rod (8) is provided with a top plate (19) fixedly connected with the driving disc (7); the top rigid coupling of inserted block (13) has locating lever (15), and the upper end cover of locating lever (15) is equipped with locating plate (17), and locating plate (17) are fixed knot that can not remove constructs, and the bottom of locating plate (17) is equipped with spring (18), and spring (18) cover is in the outside of locating lever (15), the upper end and the locating plate (17) rigid coupling of spring (18), the lower extreme and the inserted block (13) rigid coupling of spring (18), and the top rigid coupling of locating lever (15) has anticreep board (16).
2. 2. The compact type rapid vortex repulsion mechanism for the power distribution network switch according to claim 1, wherein the lower end of the insertion block (13) is rotatably connected with a roller (14), one end of the top plate (19) far away from the driving disc (7) is provided with a bulge, and two ends of the bulge are provided with inclined planes.
3. 3. The compact type rapid eddy-current repulsive force mechanism for the power distribution network switch according to claim 1 or 2, wherein limiting grooves (25) are formed in opposite surfaces of connection positions of the left connecting rod (8) and the right connecting rod (9), sliding grooves (26) communicated with the limiting grooves (25) are formed in the left connecting rod (8), permanent magnets (21) are slidably connected in the sliding grooves (26), one side, far away from the right connecting rod (9), of each permanent magnet (21) is fixedly connected with a fixing rod (20), the fixing rods (20) are fixedly connected with a driving disc (7), left copper tubes (22) and right copper tubes (23) are sleeved outside connection positions of the left connecting rod (8) and the right connecting rod (9), the left copper tubes (22) and the right copper tubes (23) are fixed structures which cannot move, and the distance between the left copper tubes (22) and the right copper tubes (23) is equal to the distance between the switching-on coils (5) and the switching-off coils (6).
4. 4. A compact rapid eddy current repulsive force mechanism for a power distribution network switch according to claim 3, characterized in that the distance between the closing coil (5) and the opening coil (6) is twice the distance between the two baffles (10), a middle section copper ring (24) is arranged between the left copper pipe (22) and the right copper pipe (23), the distances between the middle section copper ring (24) and the left copper pipe (22) and the right copper pipe (23) are equal, and the middle section copper ring (24) is of a fixed structure which cannot move.
5. 5. A compact fast vortex repulsion mechanism for a power distribution network switch according to claim 1,2 or 4 wherein the opposite faces of two baffles (10) are fixedly connected with gaskets (11).
6. 6. A compact rapid eddy current repulsion mechanism for a power distribution network switch according to claim 3 wherein the opposite faces of two baffles (10) are each fixedly connected with a spacer (11).

Description

Compact type rapid vortex repulsive force mechanism for power distribution network switch Technical Field The invention relates to the technical field of quick mechanical switches, in particular to a compact quick vortex repulsive force mechanism for a power distribution network switch. Background As a key device in a power system, a power distribution network switch bears important roles of controlling, protecting and isolating circuits, and is usually installed at a position such as a telegraph pole, and is an indispensable device for guaranteeing electric safety. In the operation process, once the short-circuit fault occurs on the switch load side circuit of the power distribution network, the switch needs to respond rapidly and reliably switch on and off the short-circuit current, so that the fault is effectively isolated, and the stable operation of the power distribution network and the safety and the damage of electric equipment are ensured. In the prior art, as disclosed in patent grant publication number CN216671532U, a compact type rapid vortex repulsion mechanism for a power distribution network switch comprises a driving device and a transmission device, wherein the driving device comprises a horizontal driving rod, a closing coil, a driving disc and a separating coil, the driving disc is sleeved on the horizontal driving rod, the closing coil and the separating coil are respectively positioned on two sides of the driving disc and sleeved on the horizontal driving rod, the transmission device comprises a first transmission rod, a first transmission shaft and a second transmission rod, one end of the first transmission rod is connected with one end of the second transmission rod through the first transmission shaft, and the other end of the second transmission rod is connected with the horizontal driving rod. The compact type rapid vortex repulsive force mechanism for the power distribution network switch is compact in structure, rapid and concise in operation. The holding device can provide sufficient holding force when the switch is opened or closed, so that the mechanism is stably kept in the switch-opened or closed state, the switch-opened time of the power distribution network switch can be less than 3ms, the response can be fast, and the safety and stability operation of power equipment and a power grid are facilitated. The above-mentioned distribution network switch still has a certain disadvantage in that it mainly relies on a retaining spring to provide the necessary retaining force to ensure its stable operation. However, under extreme environmental conditions, such as high vibration, high temperature, etc., and over prolonged use, the elasticity of the retaining spring gradually decays. Such attenuation directly results in insufficient retention force, thereby creating a potential risk of malfunction of the mechanism, adversely affecting the stability and reliability of the switching mechanism, and possibly even threatening the safe operation of the distribution network. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the compact type rapid vortex repulsive force mechanism for the power distribution network switch, and the retaining force is provided by the plug, so that the retaining force is not easy to change, and the mechanism is more stable. The compact type rapid vortex repulsion mechanism for the power distribution network switch comprises a horizontal driving rod, a guide structural member, a first driving rod and a second driving rod, wherein the left end of the horizontal driving rod is fixedly connected with a left connecting rod, the right end of the horizontal driving rod is fixedly connected with a right connecting rod, the left connecting rod and the right connecting rod are fixedly connected through bolts, a group of symmetrically arranged baffles are fixedly connected to the outer portion of one end, close to the right connecting rod, of the left connecting rod, a driving disc is slidably connected to the middle position of the two baffles, a closing coil is arranged on one side, close to the right connecting rod, of the driving disc, a separating coil is arranged on one side, close to the right connecting rod, of each of the left connecting rod and the right connecting rod, a group of jacks are formed in one end, far away from the right connecting rod, of each of the left connecting rod, of each jack is slidably connected with an inserting block, the lower end of each inserting block is conical, and a top plate fixedly connected with the driving disc is arranged at the bottom of the left connecting rod. Further, the top rigid coupling of inserted block has the locating lever, and the upper end cover of locating lever is equipped with the locating plate, and the locating plate is fixed knot that can not remove constructs, and the bottom of locating plate is equipped with the spring, and the spring housing is in the outside of loca