阅读说明：本技术 一种高压软起动器轴套装置 (High-voltage soft starter shaft sleeve device ) 是由 谢波 刘洪安 谢德友 谢雪军 罗潭 于 2021-07-13 设计创作，主要内容包括：本发明公开了一种高压软起动器轴套装置,包括法兰、法兰座和轴套,法兰座包括底座板和垂直于底座板的安装板,底座板和安装板通过至少一个加强筋固定连接；安装板上开设有贯穿的通孔,轴套与法兰贯穿通孔连接,法兰和安装板可拆卸连接,轴套的中心穿设电机转轴孔,所述轴套内部包括大端和小端,以及圆滑过渡连接所述大端和小端的变径段。本发明充分考虑并解决了线圈在通高压时铁芯会产生电磁牵引力、摩擦阻力等技术难点,解决了电抗器铁芯不可调节的问题,使电抗器输出电压可平稳调节。(The invention discloses a high-pressure soft starter shaft sleeve device which comprises a flange, a flange seat and a shaft sleeve, wherein the flange seat comprises a base plate and an installation plate vertical to the base plate, and the base plate is fixedly connected with the installation plate through at least one reinforcing rib; set up the through-hole that runs through on the mounting panel, the axle sleeve runs through the through-hole with the flange and is connected, and the connection can be dismantled to flange and mounting panel, and motor shaft hole is worn to establish at the center of axle sleeve, the axle sleeve is inside including main aspects and tip to and slick and sly transitional coupling the reducing section of main aspects and tip. The invention fully considers and solves the technical difficulties that the iron core can generate electromagnetic traction force, frictional resistance and the like when the coil is electrified with high voltage, solves the problem that the iron core of the reactor is not adjustable, and ensures that the output voltage of the reactor can be stably adjusted.)

1. The utility model provides a high pressure soft starter axle sleeve device which characterized in that: the flange seat comprises a base plate and an installation plate vertical to the base plate, and the base plate is fixedly connected with the installation plate through a reinforcing rib; set up the through-hole that runs through on the mounting panel, in the flange was located to the axle sleeve cover, the connection can be dismantled to flange and mounting panel, and the motor shaft is worn to establish at the center of axle sleeve, and the axle sleeve is inside to include main aspects and tip and rounding off the transition connection the reducing section of main aspects and tip.

2. The high-voltage soft starter bushing assembly as recited in claim 1, further comprising: the inner diameter of the flange is larger than the outer diameter of the shaft sleeve.

3. A high-voltage soft starter bushing assembly as claimed in claim 1 or 2, wherein: the connection of the flange and the shaft sleeve penetrates through a through hole formed in the mounting plate.

4. The high-voltage soft starter bushing assembly as recited in claim 1, further comprising: and one end of the shaft sleeve, which is far away from the flange, is a big end.

5. The high-voltage soft starter bushing assembly as recited in claim 1, further comprising: the mounting plate and the base plate are fixed through bolts.

6. The high-voltage soft starter bushing assembly as recited in claim 1, further comprising: all be equipped with the screw hole that runs through on flange, bed plate, the mounting panel, a plurality of screw location bases are along the evenly distributed all around of pedestal.

7. The high-voltage soft starter bushing assembly as recited in claim 1, further comprising: the base plate is a metal plate with the thickness of 10 mm-30 mm.

8. The high-voltage soft starter bushing assembly as recited in claim 1, further comprising: the base plate is fixed on the iron core by bolts, and the base plate and the iron core form a whole.

9. The high-voltage soft starter bushing assembly as recited in claim 1, further comprising: the inner wall of the shaft sleeve is provided with threads, and the threads are in threaded connection with the rotating shaft of the motor so that the shaft sleeve can synchronously rotate on the rotating shaft.

Technical Field

The invention relates to the technical field of electrical equipment control, in particular to a shaft sleeve device of a high-voltage soft starter.

Background

In the industrial fields of building, metallurgy, mine, petrochemical industry, power generation and the like, a large amount of high-power high-voltage motor equipment is used, when a motor is started, the starting impact current is large, the interference on a power grid and other loads can be caused, and even the safe operation of the power grid is damaged.

In practical industrial application, a reactor type soft start device is adopted in a common soft start method at present, and the principle is that a reactor is connected in series when a motor is started so as to limit and reduce starting current and power grid voltage drop when the motor is started, and the reactor is removed when the motor runs stably and current reaches a certain value, so that the motor runs normally; the reactor type soft starting device has simple structure and stable soft starting effect, and more users adopt the soft starting method. However, the reactor is mainly composed of an iron core and a coil, and the two components are generally fixed parts and cannot move or have small moving amplitude, so that the adjustability of the inductance value of the reactor is poor, in addition, in the process of soft starting by using the method, the voltage at the motor end is also reduced, the starting torque is easy to be insufficient, secondary impact may occur in the starting process, and the defects greatly restrict the popularization of the reactance type soft starting method, so that the existing reactance type soft starting device needs to be improved, the problems are solved, the popularization and the use of the reactance type soft starting device are facilitated, and the economic benefit of industrial production is improved.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the device overcomes the defects of the prior art, and provides the device which can realize that the iron core drags and slides with the shaft sleeve device to do telescopic motion through the motor rotating shaft in the coil, so that the output voltage of the reactor can be stably adjusted.

The technical scheme adopted by the invention for solving the technical problems is as follows: a high-pressure soft starter shaft sleeve device comprises a flange, a flange seat and a shaft sleeve, wherein the flange seat comprises a base plate and a mounting plate vertical to the base plate, and the base plate is fixedly connected with the mounting plate through a reinforcing rib; set up the through-hole that runs through on the mounting panel, the axle sleeve runs through the through-hole with the flange and is connected, and flange and mounting panel can be dismantled and be connected, and the motor shaft is worn to establish at the center of axle sleeve, and the axle sleeve is inside to include main aspects and tip and rounding off transition connection the reducing section of main aspects and tip.

Preferably, bed plate and mounting panel are equipped with 2 strengthening rib fixed connection, have increased the intensity of flange seat, have prolonged the life of flange seat.

Preferably, the inner diameter of the flange is larger than the outer diameter of the sleeve.

Preferably, one end of the shaft sleeve, which is far away from the flange, is a big end.

Preferably, the mounting plate and the base plate are bolted together.

Preferably, all be equipped with the screw hole that runs through on flange, bed plate, the mounting panel, a plurality of screw location bases are along the evenly distributed all around of pedestal.

Preferably, the bed plate is a metal plate with the thickness of 10 mm-30 mm, and the bed plate has higher strength and meets the transmission requirement.

Preferably, the base plate is fixed on the iron core by bolts, and the base plate and the iron core are integrated.

Preferably, the inner wall of the shaft sleeve is provided with threads, and the threads are in threaded connection with the rotating shaft of the motor so that the shaft sleeve can synchronously rotate on the rotating shaft.

The invention has the beneficial effects that: the high-voltage soft starter shaft sleeve device fully considers and solves the problem of wire

When the ring is electrified with high voltage, the iron core can generate electromagnetic traction force, frictional resistance and other technical difficulties, so that the reactor can be used

Dragging and sliding in the coil, and dragging and sliding of the iron core in the coil through the shaft sleeve device can be realized no matter the high-voltage motor below 2000KW is 6KV or 10KV, so that the problem that the iron core of the reactor is not adjustable is solved, the output voltage of the reactor can be stably adjusted, and the specific advantages are as follows: 1. the iron material is adopted as the main material, so that the cost is low and the manufacturing is easy; 2. the device is not influenced by the use environment, the temperature and the geographic position; 3. the operation is simple, the operation is safe and reliable, and the service life is long; 4. maintenance is avoided, and maintenance cost is saved; 5. the reactor iron core can realize smooth stepless regulation in the coil, and the problem of secondary impact of the motor is solved.

Drawings

FIG. 1 is a schematic view of a high-voltage soft starter shaft sleeve device;

FIG. 2 is a schematic view showing the connection between the shaft sleeve and the flange;

in the figure: 1-flange, 2-flange seat, 3-shaft sleeve, 4-base plate, 5-mounting plate, 6-reinforcing rib, 7-base plate bolt fixing hole, 8-mounting plate bolt hole and 9-flange bolt fixing hole.

Detailed Description

The invention is further explained with reference to the drawings and the embodiments.

Referring to fig. 1: a high-pressure soft starter shaft sleeve device comprises a flange 1, a flange seat 2 and a shaft sleeve 3, wherein the flange seat 2 comprises a base plate 4 and a mounting plate 5 vertical to the base plate 4, and the base plate 4 and the mounting plate 5 are fixedly connected through a reinforcing rib 6; set up the through-hole that runs through on the mounting panel 5, axle sleeve 3 runs through the through-hole with flange 1 and is connected, and flange 1 and mounting panel 5 can be dismantled and be connected, and motor pivot hole is worn to establish at axle sleeve 3's center, and axle sleeve 3 is inside to include main aspects and tip and rounding off transition connection the reducing section of main aspects and tip.

The flange seat 2 is fixed on the iron core through a bolt fixing hole 7 of the flange seat base plate, the flange 1 is driven through a transmission rod of the motor, and the shaft sleeve 3 is driven to move through the flange 1.

In this embodiment, bed plate 4 and mounting panel 5 are equipped with 2 strengthening rib fixed connection, have increased flange seat 2's intensity, have prolonged flange seat 2's life.

In the present embodiment, the inner diameter of the flange 1 is larger than the outer diameter of the sleeve 3.

In this embodiment, the end of the sleeve 3 away from the flange 1 is a large end.

In this embodiment, the mounting plate 5 and the base plate 4 are bolted.

In this embodiment, all be equipped with the screw hole that runs through on flange 1, bed plate 4, the mounting panel 5, a plurality of screw location bases are along the evenly distributed all around of pedestal.

In this embodiment, the base plate 4 is a metal plate with a thickness of 20mm, which has high strength and meets the transmission requirement.

In this embodiment, the base plate 4 is fixed to the iron core by bolts, and the base plate 4 and the iron core are integrated.

In this embodiment, the inner wall of the shaft sleeve 3 is provided with threads, and the threads are in threaded connection with the rotating shaft of the motor so that the shaft sleeve can synchronously rotate on the rotating shaft.

In the present embodiment, the flange 1 is bolted to the flange base mounting plate 5 through mounting plate bolt holes 8 and flange bolt fixing holes 9.

The working principle and the beneficial effects of the invention are as follows: when the motor is started, the shaft sleeve device of the high-voltage soft starter is connected in series to limit and reduce starting current and power grid voltage drop when the motor is started, and when the motor runs stably and the current reaches a certain value, the shaft sleeve device of the high-voltage soft starter is removed to enable the motor to run normally, and the shaft sleeve 3 can synchronously rotate on the rotating shaft and simultaneously drive the flange connected with the shaft sleeve and the flange base to move through the combined connection of the shaft sleeve 3 and the rotating shaft of the motor. The invention overcomes the defects of the prior art and provides a device which can realize that the iron core drags and slides to do telescopic motion through the rotating shaft of the motor in the coil and the shaft sleeve device, so that the output voltage of the reactor can be stably adjusted.

The present invention is not limited to the above embodiments, and various combinations and modifications of the above technical features may be provided for those skilled in the art, and modifications, variations, equivalents, or uses of the structure or method of the present invention in other fields without departing from the spirit and scope of the present invention are included in the protection scope of the present invention.