CN111725009A

CN111725009A - Gear-driven high-voltage switch

Info

Publication number: CN111725009A
Application number: CN202010563448.XA
Authority: CN
Inventors: 杜卓杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-09-29

Abstract

The invention discloses a gear-driven high-voltage switch, which mainly comprises a transmission part and two contact parts, wherein the transmission part adopts a structure of a pair of internal gear wheels, a pinion shaft is connected with an output shaft of a motor, the pinion drives a bull gear to rotate after the motor is started, a contact 1 adopts a crank block structure, the bull gear controls a crank to move through a connecting rod, the bull gear can control the pressing and lifting of a pressing rod to rotate, the contact is fixed at the shaft end, so that the contact can extend and retract, when the two contacts are in relative motion and contact, the contact 1 can rotate by an angle under the action of the pressure of a contact 2, the pressure of the contact 2 disappears along with the continuous forward movement of the two contacts, the contact 1 can quickly return to the right, hook-shaped structures on the two contacts can be clamped together, so that the contact between the contacts is more reliable, and the gear-driven high, Rapid reaction and high safety factor.

Description

Gear-driven high-voltage switch

Technical Field

The invention relates to the electrical field, in particular to a stably closed high-voltage switch.

Background

Along with the continuous development of industrial society, more and more occasions can be applied to the electric energy, consequently, also can more and more diversify to the demand of switch, and the effect of switch has not only been the control circuit switching, more important needs automation as far as possible and possesses higher factor of safety to reduce and avoid the injury that the operation is not standard to a ray of staff. As disclosed in the prior art (201710808024.3), the fast on-off switch of the present invention comprises a bottom plate, a pin a, a cylinder, a swing lever, a pin B, a cylinder, a gear, a rack, a pin C, a cylindrical lever, a compression spring, a vertical plate, an L-shaped bracket, etc., and is characterized in that: the cylinder barrel is horizontally arranged above the bottom plate leftwards, a natural gas inlet and an air inlet are formed above the cylinder barrel, the right side of the cylinder barrel is closed, a round hole is formed in the right end face of the cylinder barrel, a spark plug is arranged in the round hole, and an exhaust valve is arranged on the front side of the cylinder barrel; according to the invention, through the arrangement of the cylinder and the piston, the rack can be pushed to move by utilizing the rapid expansion effect of the fuel gas, the rack drives the gear and the L-shaped bracket to rotate clockwise rapidly, and the two copper contacts are closed. The invention has only one group of contacts, and has the problems of limited application occasions and larger volume, so the invention provides the gear-driven high-voltage switch with compact structure and closing self-locking function.

Disclosure of Invention

Aiming at the technical problems, the invention provides a gear-driven high-voltage switch which can effectively solve the technical problems and has the characteristics of reliable transmission, compact structure, high safety factor and the like.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a gear-driven high-voltage switch comprises a base, a long guide rail, a contact guide rail, an upright post, a wire lever, a straight contact, a contact shaft, a spring, a contact seat, a pressure spring, a pressure rod, a serial connection rod, a pressure rod serial connection rod connecting rod, an L-shaped contact, a torsion spring, a slider baffle, a contact slider, a slider connecting rod, a slider serial connection rod connecting rod, a push block sliding rail, a contact push block, a lead screw, a gear shaft, a sleeve, a support, a motor, a pinion, a gearwheel and a large gear sleeve.

The rack is fixedly connected with a large gear sleeve, the large gear sleeve is sleeved on a large gear and is rotationally connected with the large gear, the large gear is meshed with a small gear, the small gear is fixedly arranged on a gear shaft, and a screw rod is fixedly arranged on the gear shaft.

The lead screw and the screw rod form threaded fit, the stand column is in sliding fit with the screw rod, the push block connecting rod is hinged with the contact push block, and the contact push block is in sliding connection with the push block sliding rail.

The connecting rod of the pressure rod series rod is hinged with the big gear, the connecting rod of the pressure rod series rod is connected with the series rod in a sliding mode, and the series rod is hinged to the pressure rods on the two sides.

The pressing rod is hinged with the contact seat, two ends of the pressure spring are fixedly connected with the contact shaft and the contact seat respectively, the spring is fixedly installed in the middle of the contact shaft, and the straight contact is fixedly installed on the contact shaft.

The contact mechanism comprises a contact slide block, a contact slide rail, a contact spring, a contact slide block, a contact baffle and a slide block, wherein the contact slide block is connected with the contact slide block in a rotating mode, the contact slide block is connected with the contact slide block in a sliding mode, the contact slide block is connected with the contact slide.

Further, support fixed mounting is on the base, and motor fixed mounting is on the support, and the motor passes through the shaft coupling and realizes fixed connection with the gear shaft.

Further, the sleeve is fixedly mounted on the gear shaft through a pin.

Further, the long guide rail is fixedly installed on the base, the stand column is fixedly installed on the base, the push block slide rail is fixedly installed on the base, the contact base is fixedly installed on the base, and the contact guide rail is fixedly installed on the base.

Furthermore, the torsion spring is fixedly connected with the L-shaped contact and the torsion spring is fixedly connected with the sliding block baffle.

Further, the pressure lever is rotatably connected with the contact shaft.

Further, the contact shaft is connected with the contact base in a sliding mode.

Furthermore, the gear shaft is rotatably connected with the bracket.

In conclusion, compared with the prior art, the invention has the beneficial effects that.

(1) The transmission system uses a pair of internal engaged gears, so that the transmission is more accurate and reliable, and the service life of the switch is prolonged.

(2) The two contacts can move relatively at the same time, so that the switch can respond quickly.

(3) The special structure of the contact can realize self-locking between the contacts after contact, so that the switch has a greater safety factor.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of two contacts according to the present invention.

FIG. 3 is a schematic diagram of the transmission system of the present invention.

Reference numerals: 1-a base; 2-long guide rail; 3-a contact guide rail; 4-upright post; 5-wire lever; 6-straight contact; 7-a contact shaft; 8-a spring; 9-a contact base; 10-a pressure spring; 11-a pressure bar; 12-a tandem link; 13-a compression bar connecting rod in series; 14-L shaped contacts; 15-torsion spring; 16-a slider baffle; 17-a contact slider; 18-a slide block; 19-a slider link; 20-slide block series rod connecting rod; 21-a push block connecting rod; 22-a pusher shoe slide rail; 23-a contact pusher; 24-a lead screw; 25-a gear shaft; 26-a sleeve; 27-a scaffold; 28-a motor; 29-pinion gear; 30-a bull gear; 31-large gear sleeve.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

Example (b):

fig. 1 is a schematic view of the overall structure of the embodiment of the present invention. The base 1 as shown in the figure provides a mounting platform for each part of the invention, firstly, a threaded hole needs to be processed on the base 1 for mounting a switch in use; secondly, the long guide rail 2, the upright post 4, the push block slide rail 22, the contact base 9, the contact guide rail 3 and the bracket 27 are fixedly arranged on the base 1; the positions of the long guide rail 2, the upright post 4, the push block slide rail 22, the contact base 9, the contact guide rail 3 and the bracket 27 are as shown in fig. 1 but not limited to fig. 1, and the arrangement of the positions is based on the technical standard that the normal opening and closing action of the switch can be realized.

The motor 28 is fixedly arranged on the support 27, the motor 28 is fixedly connected with the gear shaft 25 through the coupler, the motor is a motor with a reducer, the rotating speed and the model are different along with different specific working conditions, when the motor works, the gear shaft 25 rotates along with the rotation of the motor shaft, the gear shaft 25 and the support 27 can form a rotating connection, the pinion 29 is fixedly arranged on the gear shaft 25 through a key connection, the sleeve 26 is fixedly arranged on the gear shaft 25 through a pin, the sleeve 26 is used for axially fixing the pinion 29 on the gear shaft 25, the support 27 is fixedly connected with the gear wheel sleeve 31, the gear wheel sleeve 31 is sleeved on the gear wheel 30 and forms a rotating connection with the gear wheel 30, the gear wheel sleeve 31 provides a fixed platform for the gear wheel, the gear wheel 30 and the pinion 29 form a gear meshing, and the gear shaft 25 drives the pinion 29 to rotate together, the rotation of the large gear 30 is also achieved, and the lead screw 24 is fixedly mounted on the gear shaft 25, so that the lead screw 24 rotates along with the gear shaft 25.

The lead screw 24 and the lead screw lever 5 form a threaded fit, the upright post 4 and the lead screw lever 5 are in a sliding fit, namely, the lead screw lever 5 can slide on the upright post 4 along with the rotation of the lead screw 24, the push block connecting rod 21 is hinged with the lead screw lever 5, the push block connecting rod 21 is hinged with the contact push block 23, the contact push block 23 is in a sliding connection with the push block sliding rail 22, when the lead screw lever 5 slides up and down on the upright post 4, the contact push block 23 can slide back and forth on the push block sliding rail 22 through the transmission of the push block connecting rod 21, the contact push block 23 is made of an insulating material, and when the contact push block 23 slides forwards, the L-shaped contact 14 can be pushed, so that the switch is disconnected.

The press rod serial link rod 13 is hinged with the big gear 30, the slide block serial link rod 20 is hinged with the big gear 30, the hinge point of the press rod serial link rod 13 and the slide block serial link rod 20 with the big gear 30 is 180 degrees, the big gear 30 can drive the press rod serial link rod 13 and the slide block serial link rod 20 to move towards or away from each other when rotating, the press rod serial link rod 13 is connected with the serial link rod 12 in a sliding way, the serial link rod 12 is hinged on the press rods 11 at two sides, the press rods 11 are hinged with the contact base 9, the slide block serial link rod 20 is fixedly connected with the serial link rod 12, the serial link rod 12 is fixedly arranged on the slide block link rods 19 at two sides, the slide block link rod 19 is hinged with the slide block 18, the slide block 18 is connected with the long guide rail 2 in a sliding way, when the big gear 30 rotates, the press rods 11 can rotate around the hinge point with the contact base 9 under the action of the press rod, because the pressure lever 11 is connected with the contact shaft 7 in a rotating manner, the contact shaft 7 can reciprocate in the contact seat 9 when the pressure lever 11 rotates, the straight contact 6 is fixedly arranged on the contact shaft 7, along with the movement of the contact shaft 7, the straight contact 6 can also reciprocate, two ends of the pressure spring 10 are respectively and fixedly connected with the contact shaft 7 and the contact seat 9, the pressure spring 10 has the function of ensuring that the contact shaft 7 can return quickly when the pressure lever 11 is lifted, the spring 8 is fixedly arranged in the middle of the contact shaft 7, and the function is that when the switch is opened, the L-shaped contact is pushed by the contact push block 23 to keep a certain time when the two contacts move towards opposite directions.

On the other hand, the sliding block connecting rod 19 is hinged with the contact sliding block 17, the contact sliding block 17 is connected with the contact guide rail 3 in a sliding mode, the contact sliding block 17 can slide on the guide rail 3 when the sliding block serial connecting rod 20 moves, the contact sliding block 17 is made of insulating materials, the L-shaped contact 14 is connected with the contact sliding block 17 in a rotating mode, the theme of the torsion spring 15 is fixedly connected with the contact sliding block 17, and two iron wire columns extending out of the torsion spring 15 are fixedly connected with the L-shaped contact 14 and the sliding block baffle 16; the slider baffle 16 is fixedly arranged on the contact slider 17, the two contacts move to the mutual contact position, namely the L-shaped contact 14 rotates by an angle under the thrust action of the straight contact 6, when the hooks on the contacts move away relatively, the L-shaped contact 14 can quickly return to the right under the action of the torsion spring, and the hooks on the two contacts hook mutually, namely the closing action is stably completed.

Claims

1. A gear-driven high-voltage switch comprises a base (1), a long guide rail (2), a contact guide rail (3), an upright post (4), a wire lever (5), a straight contact (6), a contact shaft (7), a spring (8), a contact seat (9), a pressure spring (10), a pressure lever (11), a series rod (12), a pressure lever series rod connecting rod (13), an L-shaped contact (14), a torsion spring (15), a slider baffle (16), a contact slider (17), a slider (18), a slider connecting rod (19), a slider series connecting rod (20), a push block connecting rod (21), a push block sliding rail (22), a contact push block (23), a lead screw (24), a gear shaft (25), a sleeve (26), a support (27), a motor (28), a pinion (29), a gearwheel (30) and a gearwheel sleeve (31); the method is characterized in that:

the rack (27) is fixedly connected with a large gear sleeve (31), the large gear sleeve (31) is sleeved on a large gear (30), the large gear sleeve (31) is rotatably connected with the large gear (30), the large gear (30) is meshed with a small gear (29) in a gear meshing manner, the small gear (29) is fixedly installed on a gear shaft (25), and a screw rod (24) is fixedly installed on the gear shaft (25);

the lead screw (24) is in threaded fit with the screw rod (5), the upright post (4) is in sliding fit with the screw rod (5), the push block connecting rod (21) is hinged with the contact push block (23), and the contact push block (23) is in sliding connection with the push block sliding rail (22);

the press rod series rod connecting rod (13) is hinged with the large gear (30), the press rod series rod connecting rod (13) is connected with the series rod (12) in a sliding mode, and two ends of the series rod (12) are hinged to the press rods (11) arranged on two sides;

the press rod (11) is hinged with the contact seat (9), two ends of the pressure spring (10) are respectively and fixedly connected with the contact shaft (7) and the contact seat (9), the spring (8) is fixedly arranged in the middle of the contact shaft (7), and the straight contact 6 is fixedly arranged on the contact shaft (7);

the contact mechanism is characterized in that a slider series rod connecting rod (20) is hinged to a large gear (30), the slider series rod connecting rod (20) is fixedly connected with a series rod (12), the series rod (12) is fixedly installed on slider connecting rods (19) on two sides, the slider connecting rods (19) are hinged to sliders (18), the sliders (18) are slidably connected with a long guide rail (2), the slider connecting rods (19) are hinged to a contact slider (17), the contact slider (17) is slidably connected with a contact guide rail (3), L, a shape contact (14) is rotatably connected with the contact slider (17), a torsion spring (15) is fixedly connected with the contact slider (17), and a slider baffle (16) is fixedly installed on the contact slider (17).

2. A geared high voltage switch as claimed in claim 1, wherein: support (27) fixed mounting is on base (1), and motor (28) fixed mounting is on support (27), and motor (28) realize fixed connection through shaft coupling and gear shaft (25).

3. A geared high voltage switch as claimed in claim 1, wherein: the sleeve (26) is fixedly mounted on the gear shaft (25) by a pin.

4. A geared high voltage switch as claimed in claim 1, wherein: the long guide rail (2) is fixedly installed on the base (1), the upright post (4) is fixedly installed on the base (1), the push block slide rail (22) is fixedly installed on the base (1), the contact seat (9) is fixedly installed on the base (1), and the contact guide rail (3) is fixedly installed on the base (1).

5. A geared high voltage switch as claimed in claim 1, wherein: the torsion spring (15) is fixedly connected with the L-shaped contact (14), and the torsion spring (15) is fixedly connected with the sliding block baffle (16).

6. A geared high voltage switch as claimed in claim 1, wherein: the pressure lever (11) is rotatably connected with the contact shaft (7).

7. A geared high voltage switch as claimed in claim 1, wherein: the contact shaft (7) is connected with the contact seat (9) in a sliding manner.

8. A geared high voltage switch as claimed in claim 1, wherein: the gear shaft (25) is rotatably connected with the bracket (27).