WO2018032304A1

WO2018032304A1 - Double-bladed high-voltage disconnector

Info

Publication number: WO2018032304A1
Application number: PCT/CN2016/095424
Authority: WO
Inventors: 朱伯秦
Original assignee: 朱伯秦
Priority date: 2016-08-16
Filing date: 2016-08-16
Publication date: 2018-02-22

Abstract

A double-bladed high voltage disconnector, comprising a clamping base (1), insulators (2) mounted symmetrically on two sides of the clamping base (1), contact seats (3) fixedly mounted on the tops of the insulators (2), strike plates (4) provided on the contact seats (3), a spindle rod (5) mounted on and penetrating the middle of the top surface of the clamping base (1), and a blade drive apparatus (6) mounted on a side wall of the spindle rod (5). Two S-shaped blades (61) and two linear blades (68) respectively form or break connections between the strike plates (4), and can effectively and stably control current flow; a matching driven gear (64), drive gear (63) and beveled gear shaft (65) are used to cause the S-shaped blades (61) to rotate in opposite directions, enabling use as a disconnector; by means of a rotating plate (66) and utilizing principles of eccentric motion, the linear blades (68) connect to matching contact blocks (12), effectively preventing a virtual connection from being made when using one blade; a contact pin (62) is effectively prevented from falling out of a pin hole by means of a limiting pin (13) mounted at the pin hole (11).

Description

Double knife high voltage isolation switch

Technical field

The invention relates to the technical field of strong electric equipment, in particular to a double-knife high-voltage isolating switch.

Background technique

When the isolating switch is in the sub-position, there is an insulation distance and an obvious disconnection mark between the contacts in accordance with the specified requirements; in the combined position, it can carry the current under the normal loop condition and the current under the abnormal condition within the specified time. Equipment, and the common one is the single-blade isolating switch. The single-blade isolating switch is extremely easy to cause the virtual connection or open circuit of the line. It is unstable and the isolation effect is not good. Therefore, a double-blade high-voltage isolating switch is provided.

Summary of the invention

It is an object of the present invention to provide a double knives high voltage disconnector to address the problems set forth above in the background art.

In order to achieve the above object, the present invention provides the following technical solution: a double-knife high-voltage isolating switch, including a card holder, the top of the top of the card holder is symmetrically mounted with an insulator, and the top end of the insulator is fixedly mounted with a contact seat. A lock plate is disposed on the contact base, a shaft is inserted through the middle of the upper surface of the card seat, and a blade drive device is mounted on a sidewall of the shaft, and a shaft is inserted through the middle of the shaft, and the shaft is inserted The end portion of the inner cavity of the card seat is sleeved with a bevel disk, and the bevel disk is engaged with one end of a driving shaft installed in the inner cavity of the card seat, and the other end of the driving shaft extends to the outside of the card seat Fixed installation with the knob.

Wherein, the lock plate is provided with two pin holes matched with the blade driving device, the blade driving device comprises two S-shaped blades, and the ends of the S-shaped blade are fixedly mounted. a contact pin, the S-shaped blade is sequentially sleeved on the rotating shaft from above and below, and an active toothed disc is mounted on the bottom of the center of the S-shaped blade at the distal end, and the top end of the bottom end of the S-shaped blade of the near-ground is installed Driven toothed disc, and the active toothed disc passes through the umbrella The pinion is rotatably coupled to the driven toothed disc.

The inner wall of the pin hole is uniformly provided with a circular limiting pin, and the end of the limiting pin is locked to the inner wall of the locking plate by an elastic member.

Wherein, the S-type knife rotates at an angle ranging from 0 to 90 degrees.

Wherein, the blade driving device comprises an elliptical rotating disk, and the rotating disk is sleeved on the side wall of the rotating shaft, and the two long-axis ends of the rotating disk are respectively mounted with parallel-shaped one-shaped gates through the pin shaft The knives and the two ends of the flat blade are respectively matched with the contact blocks provided on the side wall of the lock plate.

Wherein, the rotating disk and the outer sidewall of the handle are provided with an insulating coating.

Wherein at least one pair of conductor contacts are mounted on the contact holder.

Compared with the prior art, the invention has the beneficial effects that the two S-type knives and two one-word knives respectively connect or disconnect the lock plates, so that the current can be effectively and stably controlled. By using the interaction of the driven toothed disc, the active toothed disc and the bevel shaft, the rotation direction of the S-type knife is reversed, which facilitates the use of the isolating switch; by using the rotating disc and using the principle of eccentric motion The one-word knives are connected with the matching contact blocks, which effectively avoids the phenomenon of virtual connection when the single-blade is used; by installing the finite pin at the pin hole, the contact pin can be effectively prevented from falling out of the pin hole come out.

Summary of the invention

1 is a schematic structural view of a first embodiment of the present invention;

2 is a schematic structural view of a second embodiment of the present invention;

Figure 3 is a plan view of a first embodiment of the present invention;

Figure 4 is a plan view of a second embodiment of the present invention.

In the figure: 1 card seat, 2 insulators, 3 contact holders, 4 lock plates, 5 shafts, 6 blade drive, 61S blade, 62 contact pins, 63 drive gears, 64 driven gears, 65 bevel gear shaft, 66, rotating disc, 67 pin shaft, 68 flat blade, 7 rotating shaft, 8 bevel gear, 9 drive shaft, 10 knob, 11 pin holes, 12 touch blocks, 13 limit pins.

detailed description

The present invention is further described below in conjunction with specific embodiments, but the scope of protection of the present invention is not limited thereto.

Referring to FIG. 1 and FIG. 3, the present patent provides a first embodiment: a double-knife high-voltage isolating switch, including a card holder 1, the insulator 2 is symmetrically mounted on both sides of the top of the card holder 1, and the top of the insulator 2 is The contact base 3 is fixedly mounted, and the contact base 3 is provided with a lock plate 4, at least a pair of conductor contacts are mounted on the contact base 3, and the upper surface of the upper surface of the card holder 1 is interspersed with a shaft a rod 5, and a side wall of the shaft 5 is mounted with a blade driving device 6, a central portion of the shaft 5 is inserted with a rotating shaft 7, and the end of the rotating shaft 7 is inserted into the inner cavity of the cartridge 1 with a bevel disk 8 The bevel disk 8 is engaged with one end of the drive shaft 9 installed in the inner cavity of the card holder 1, and the other end of the drive shaft 9 extends to the outside of the card holder 1 and is fixedly mounted with the knob 10, the lock The pin plate 4 is provided with two pin holes 10 matched with the blade driving device 6. By installing the limiting pin 13 at the pin hole 11, the contact pin 62 can be effectively prevented from falling out of the pin hole 11;

The blade driving device 6 includes two S-shaped blades 61, and the ends of the S-shaped blade 61 are fixedly mounted with a contact pin 62, and the S-shaped blade 61 is sequentially sleeved on the rotating shaft 5 from above to below. An active toothed disc 63 is mounted on the bottom of the center of the S-type guillotine 61 at the distal end, and the driven sprocket 64 is mounted at the top end of the central bottom of the S-type guillotine 61, and the drive spur 63 passes through the spur shaft. 65 is rotatably connected with the driven toothed disc 64. By adopting the mutual cooperation of the driven toothed disc 64, the driving toothed disc 63 and the bevel shaft 65, the rotation direction of the S-shaped guillotine 61 is reversed, thereby facilitating the use of the isolating switch. The angle of rotation of the S-type blade 61 is in the range of 0 to 90 degrees, and the lock plate 4 is connected or disconnected by the S-type blade 61, so that the conduction of the current can be effectively and stably controlled;

The inner wall of the pin hole 10 is uniformly provided with a circular limiting pin 13 , and the end of the limiting pin 13 is locked to the inner wall of the locking plate 4 by an elastic member.

Working principle: the driving shaft 9 drives the bevel disk 8 to rotate by manually screwing the knob 10, and then the shaft 5 is rotated, and then the interaction between the driving tooth plate 63, the driven toothed disk 64 and the bevel shaft 65 is performed. The S-type knives 61 are respectively rotated in different directions. When the S-type guillotine 61 is rotated to be in line with the lock plate 4, the contact pin 62 is caught in the pin hole 11 to complete the connection of the circuit. When the guillotine 61 is rotated horizontally by 90 degrees, the contact pin 62 inserted in the pin hole 11 is pulled out to complete the disconnection of the circuit.

Referring to FIG. 2 and FIG. 4, the present patent provides a second embodiment: a double-knife high-voltage isolating switch, including a card holder 1, the insulator 2 is symmetrically mounted on both sides of the top of the card holder 1, and the top of the insulator 2 is The contact holder 3 is fixedly mounted, and at least a pair of conductor contacts are mounted on the contact holder 3, and the contact holder 3 is provided with a lock plate 4, and the upper surface of the card holder 1 is inserted with a shaft a rod 5, and a side wall of the shaft 5 is mounted with a blade driving device 6, a central portion of the shaft 5 is inserted with a rotating shaft 7, and the end of the rotating shaft 7 is inserted into the inner cavity of the cartridge 1 with a bevel disk 8 The bevel disk 8 is engaged with one end of the drive shaft 9 installed in the inner cavity of the card holder 1, and the other end of the drive shaft 9 extends to the outside of the card holder 1 and is fixedly mounted with the knob 10, the lock The pinch plate 4 is provided with two pin holes 11 matched with the blade driving device 6;

The blade driving device 6 includes an elliptical rotating disk 66, and the rotating disk 66 is sleeved on the side wall of the rotating shaft 5, and the in-line blade 68 is matched with the rotating plate 66 by using the principle of eccentric motion. The contact blocks 12 are oppositely connected, which effectively avoids the phenomenon of virtual connection when the single-blade is used. The two long-axis ends of the rotating disk 66 are respectively connected with the parallel-shaped flat-shaped blade 68 through the pin 67. The two ends of the in-line blade 68 are respectively matched with the contact blocks 12 provided on the side wall of the locking plate 4, and the rotating plate 66 and the outer side wall of the knob 10 are provided with an insulating coating, and the shape is The blade 68 connects or disconnects the lock plates 4, respectively, and can effectively and stably control the conduction of current.

Working principle: the driving shaft 9 drives the bevel disk 8 to rotate by manually screwing the knob 10, and then the shaft 5 is rotated to rotate the elliptical rotating disk 66. During the rotation of the rotating disk 66, The in-line blade 68 and the contact block 12 are in contact with each other, completing the conduction of the circuit due to the rotating disk 66 In the shape of an ellipse, the rotation of the rotating disk 66 causes the in-line blade 68 to be disconnected from the contact block 12, completing the disconnection of the circuit.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical person skilled in the art within the technical scope disclosed by the present invention, the technical solution according to the present invention Equivalent substitutions or modifications of the inventive concept are intended to be included within the scope of the invention.

Claims

A double-knife high-voltage isolating switch, comprising a card holder, wherein an insulator is symmetrically mounted on both sides of the top of the card seat, and a contact seat is fixedly mounted on a top end of the insulator, and a lock plate is arranged on the contact seat a shaft is inserted through the middle of the upper surface of the card seat, and a side wall of the shaft is mounted with a blade driving device. The middle portion of the shaft is inserted with a rotating shaft, and the rotating shaft is inserted into the end sleeve of the inner cavity of the card seat. Attached to the bevel disk, the bevel disk is in mesh with one end of a driving shaft installed in the inner cavity of the card seat; the blade driving device comprises two S-shaped blades, and the end of the S-shaped blade The contact pins are fixedly mounted, the S-shaped knives are sequentially sleeved on the rotating shaft from above and below, and the center of the S-type guillotine at the distal end is mounted with an active sprocket wheel, and the S-shaped knives center of the near-ground end A driven toothed disc is mounted on the bottom end, and the active toothed disc is rotatably connected to the driven toothed disc through the bevel pinion.
The double-blade high-pressure isolating switch according to claim 1, wherein the locking plate is provided with two pin holes matched with the blade driving device.
The double-blade high-voltage isolating switch according to claim 2, wherein the inner wall of the pin hole is uniformly provided with a circular limiting pin, and the end of the limiting pin is hooked to the locking plate by an elastic member. Inner wall.
The double-blade high-pressure isolating switch according to claim 1, wherein the S-type blade rotates at an angle ranging from 0 to 90 degrees.