CN215008107U

CN215008107U - Driving device of circuit breaker

Info

Publication number: CN215008107U
Application number: CN202121365230.XU
Authority: CN
Inventors: 王成; 王蒙; 靳松; 瓮海杨
Original assignee: Henan Yinxing Power Equipment Co ltd
Current assignee: Henan Yinxing Power Equipment Co ltd
Priority date: 2021-06-19
Filing date: 2021-06-19
Publication date: 2021-12-03
Anticipated expiration: 2031-06-19

Abstract

The utility model discloses a driving device of a circuit breaker, two sets of vertical plates are fixedly arranged on the surface of a base, transverse plates are fixedly arranged on the tops of the two sets of vertical plates, a box body is fixedly arranged on the bottom of the transverse plates, a double-shaft motor is fixedly arranged in the box body, both side output shaft ends of the double-shaft motor are fixedly connected with lead screws, one ends of the lead screws, which are far away from the double-shaft motor, are rotatably arranged in the vertical plates, two sets of lead screws are respectively provided with a sliding plate, the bottoms of the sliding plates are slidably arranged on the surface of the base, one sides of the two sets of sliding plates are respectively fixedly provided with a sliding rod, the outer wall of the sliding rod is slidably arranged with a sliding sleeve, a spring is fixedly arranged between the two sets of sliding sleeves, one sides of the two sets of sliding sleeves are respectively fixedly provided with a puller block, the device is mutually matched with the sliding plates through the lead screws, the polish rods and the sliding plates, and can ensure the stable operation of the driving device under the action of the double-shaft motor, the precision of the circuit breaker is improved, and the working efficiency of the driving device is improved at the same time, the device has simple structure and convenient use, and reduces the possibility of damage of the driving device.

Description

Driving device of circuit breaker

Technical Field

The utility model relates to a circuit breaker drive arrangement technical field specifically is a drive arrangement of circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.

When the existing circuit breaker driving device is used, the abrasion of parts is large, the loss of the circuit breaker driving device is easily caused after long-time use, the long-time service life of a driver is shortened, the existing driving mechanism is complex in structure and high in failure rate, the heat dissipation effect of the existing driving device is poor, and the circuit breaker and the driving device are easily damaged.

For this reason, it is necessary to provide a driving apparatus of a circuit breaker to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive arrangement of circuit breaker, the device mutually supports through lead screw, polished rod and sliding plate to under the effect of biax motor, can guarantee drive arrangement's even running, improve the precision of circuit breaker, can also improve drive arrangement's work efficiency simultaneously, the device simple structure, convenient to use has reduced the possibility of drive arrangement damage, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drive arrangement of circuit breaker, the on-line screen storage device comprises a base, base fixed surface installs two sets of risers, two sets of riser top fixed mounting has the diaphragm, diaphragm bottom fixed mounting has the box, the inside fixed mounting of box has the biax motor, the equal fixedly connected with lead screw of both sides output shaft end of biax motor, the lead screw is kept away from biax motor one end and is rotated and install inside the riser, all be provided with the sliding plate on two sets of lead screws, sliding plate bottom slidable mounting is in the base surface, the equal fixed mounting in two sets of sliding plate one side has the slide bar, slide bar outer wall slidable mounting has the sliding sleeve, fixed mounting has the spring between two sets of sliding sleeves, the equal fixed mounting in two sets of sliding sleeve one side has the puller block.

Preferably, an elastic cushion pad is fixedly installed on one side of the sliding sleeve, and a jacking block is fixedly installed on one side of the elastic cushion pad.

Preferably, the transverse plate and the interior of the box body are both provided with air openings, and the surface of the transverse plate is fixedly provided with a dust screen at the position where the air openings are formed.

Preferably, the bearings are embedded in the two sides of the box body and the vertical plate, and the outer walls of the two ends of the screw rod are attached to the inner wall of the inner ring of each bearing.

Preferably, two sets of through-holes have been seted up to two sets of sliding plates inside, and wherein a set of through-hole inner wall is provided with the internal thread, and the external thread on internal thread and the lead screw is negative and positive setting, and fixed mounting has the polished rod between two sets of risers, and the polished rod is pegged graft in a set of through-hole.

Preferably, two sets of spouts have been seted up on the base surface, and two sets of sliding plates bottom army fixed mounting has the slider, and two sets of sliding plates all pass through slider slidable mounting in the spout.

Preferably, the spring is fixedly arranged at an opening at one side of the two sets of sliding sleeves, and the two sets of sliding sleeves are elastically arranged.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device drives two groups of sliding plates to be tensioned or far away by installing a double-shaft motor, so that the operation efficiency can be improved to a certain degree;

2. the device is matched with the sliding plate through the polished rod, the lead screw and the double-shaft motor, and can ensure the stable operation of the driving device under the action of the double-shaft motor, improve the moving stability of the driving device, increase the flexible degree of the work of the circuit breaker and improve the use precision of the circuit breaker;

3. can realize the heat dissipation to circuit breaker and drive arrangement through the wind gap, can prevent the entering of external dust through the dust screen, can protect circuit breaker and drive arrangement to a certain extent, can prevent circuit breaker and drive arrangement's damage.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is a schematic top sectional view of the present invention.

In the figure: 1. a base; 2. a vertical plate; 3. a transverse plate; 4. a box body; 5. a double-shaft motor; 6. a screw rod; 7. a sliding plate; 8. a slide bar; 9. a sliding sleeve; 10. a spring; 11. a bearing; 12. a through hole; 13. a polish rod; 14. a chute; 15. an elastic cushion pad; 16. a jacking block; 17. a tuyere; 18. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a driving device of a circuit breaker comprises a base 1, wherein two sets of vertical plates 2 are fixedly arranged on the surface of the base 1, a transverse plate 3 is fixedly arranged at the tops of the two sets of vertical plates 2, the base 1 and the transverse plate 3 are fixedly connected through the two sets of vertical plates 2, a box body 4 is fixedly arranged at the bottom of the transverse plate 3, a double-shaft motor 5 is fixedly arranged in the box body 4, the double-shaft motor 5 is fixed through the box body 4, output shaft ends on two sides of the double-shaft motor 5 are fixedly connected with a lead screw 6, bearings 11 are embedded in the inner sides of two sides of the box body 4 and the vertical plates 2, the lead screw 6 is convenient to rotate through the bearings 11, outer walls on two ends of the lead screw 6 are respectively attached to the inner ring inner wall of the bearings 11, one end of the lead screw 6, which is far away from the double-shaft motor 5, is rotatably arranged in the vertical plates 2, air ports 17 are respectively arranged in the transverse plate 3 and the box body 4, and heat dissipation of the circuit breaker and the driving device can be realized through the air ports 17, a dust screen 18 is fixedly arranged on the surface of the transverse plate 3 at the position where the air port 17 is formed, so that external dust can be blocked through the dust screen 18, and the circuit breaker and the driving device can be protected to a certain extent;

sliding plates 7 are arranged on the two groups of screw rods 6, two groups of through holes 12 are formed in the two groups of sliding plates 7, internal threads are arranged on the inner walls of one group of through holes 12, the internal threads and the external threads on the screw rods 6 are arranged in a negative-positive mode, a polished rod 13 is fixedly arranged between the two groups of vertical plates 2, the sliding process of the sliding plates 7 is guided through the polished rod 13, the polished rod 13 is inserted into one group of through holes 12, the bottoms of the sliding plates 7 are slidably arranged on the surface of the base 1, two groups of sliding grooves 14 are formed in the surface of the base 1, sliding blocks are fixedly arranged at the bottoms of the two groups of sliding plates 7, and the two groups of sliding plates 7 are slidably arranged in the sliding grooves 14 through the sliding blocks;

equal fixed mounting in two sets of sliding plates 7 one side has slide bar 8, realize the fixed mounting to slide bar 8 through sliding plate 7, slide bar 8 outer wall slidable mounting has sliding sleeve 9, mutually support with slide bar 8 through sliding sleeve 9, can realize the control to the distance between two sets of sliding plates 7, sliding sleeve 9 one side fixed mounting has elastic buffer 15, tight piece 16 fixed mounting in elastic buffer 15 one side in the top, fixed mounting has spring 10 between two sets of sliding sleeves 9, spring 10 fixed mounting is in two sets of sliding sleeve 9 one side openings part, elasticity sets up between two sets of sliding sleeves 9, the equal fixed mounting in two sets of sliding sleeve 9 one sides has tight piece 16 in top.

The working principle is as follows: during the use, the user starts double-shaft motor 5, the both sides output shaft end of double-shaft motor 5 drives lead screw 6 at the internal rotation of bearing 11, when lead screw 6 rotates, the inside external screw thread of sliding plate 7 is through the motion with the meshing of lead screw 6, realize that sliding plate 7 slides in spout 14, when two sets of sliding plates 7 are drawn close or are kept away from, spring 10 between two sets of sliding sleeves 9 also strains or relaxes, when double-shaft motor 5 corotation, two sets of puller blocks 16 move in opposite directions, when two sets of puller blocks 16 contact, the circuit breaker realizes closing, when double-shaft motor 5 reverses, two sets of puller blocks 16 reverse motion, two sets of puller blocks 16 break away from, the separating brake of circuit breaker has been realized, when using, wind gap 17 can dispel the heat to circuit breaker and drive arrangement, and can prevent through dust screen 18 that external dust from causing the damage to circuit breaker and drive arrangement.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drive device of a circuit breaker comprises a base (1), and is characterized in that: two groups of vertical plates (2) are fixedly arranged on the surface of the base (1), transverse plates (3) are fixedly arranged at the tops of the two groups of vertical plates (2), a box body (4) is fixedly arranged at the bottom of the transverse plate (3), a double-shaft motor (5) is fixedly arranged in the box body (4), the output shaft ends at both sides of the double-shaft motor (5) are fixedly connected with screw rods (6), one end of each screw rod (6) far away from the double-shaft motor (5) is rotatably arranged in the corresponding vertical plate (2), sliding plates (7) are arranged on the two groups of screw rods (6), the bottoms of the sliding plates (7) are slidably arranged on the surface of the base (1), sliding rods (8) are fixedly arranged on one sides of the two groups of sliding plates (7), the sliding rod (8) outer wall slidable mounting has sliding sleeve (9), and is two sets of fixed mounting has spring (10) between sliding sleeve (9), and is two sets of equal fixed mounting in sliding sleeve (9) one side has tight piece (16) in top.

2. The driving apparatus of a circuit breaker according to claim 1, wherein: an elastic buffer pad (15) is fixedly arranged on one side of the sliding sleeve (9), and a jacking block (16) is fixedly arranged on one side of the elastic buffer pad (15).

3. The driving apparatus of a circuit breaker according to claim 1, wherein: the air ports (17) are formed in the transverse plate (3) and the box body (4), and the dust screen (18) is fixedly arranged at the position, located at the air port (17), on the surface of the transverse plate (3).

4. The driving apparatus of a circuit breaker according to claim 1, wherein: the bearing (11) is embedded in the two sides of the box body (4) and the vertical plate (2), and the outer walls of the two ends of the screw rod (6) are attached to the inner wall of the inner ring of the bearing (11).

5. The driving apparatus of a circuit breaker according to claim 1, wherein: two groups of through holes (12) are formed in the two groups of sliding plates (7), internal threads are arranged on the inner walls of the through holes (12), the internal threads and the external threads on the screw rod (6) are arranged in a male-female mode, a polished rod (13) is fixedly installed between the two groups of vertical plates (2), and the polished rod (13) is inserted into the through holes (12).

6. The driving apparatus of a circuit breaker according to claim 1, wherein: two sets of chutes (14) are formed in the surface of the base (1), sliding blocks are fixedly mounted at the bottoms of the two sets of sliding plates (7), and the two sets of sliding plates (7) are slidably mounted in the chutes (14) through the sliding blocks.

7. The driving apparatus of a circuit breaker according to claim 1, wherein: the spring (10) is fixedly arranged at an opening at one side of the two sets of sliding sleeves (9), and the two sets of sliding sleeves (9) are elastically arranged.