Special intelligent soft starter for explosion-proof motor

Abstract

The utility model relates to the technical field of soft starters, in particular to an intelligent soft starter special for an explosion-proof motor. According to the technical scheme, the soft starter comprises an insulating high-strength alloy shell, a soft starter body is installed in the insulating high-strength alloy shell, an insulating high-strength alloy top plate is installed at the top of the insulating high-strength alloy shell, a handle is fixedly connected to the top of the insulating high-strength alloy top plate, and connecting columns are fixedly connected to the four corners of the bottom of the insulating high-strength alloy top plate; a clamping groove is formed in the connecting column, two fixing boxes are fixedly connected to the two sides of the insulating high-strength alloy shell, threaded rods are in threaded connection with the top walls of the fixing boxes, the peripheries of the bottom ends of the threaded rods are fixedly sleeved with clamping plates, and when the clamping plates rotate, the clamping plates can penetrate through the side wall of the insulating high-strength alloy shell and are clamped into the clamping groove. According to the utility model, the protection effect on the soft starter body is better, and the repair and maintenance of the soft starter body are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of soft starters, in particular to an intelligent soft starter dedicated to explosion-proof motors. Background Art

[0002] A soft starter is a motor control device that integrates motor soft starting, soft stopping, light load energy saving and multiple protection functions. It not only realizes smooth and impact-free starting of the motor during the entire starting process, but also adjusts the parameters during the starting process, such as current limiting value, starting time, etc., according to the characteristics of the motor load.

[0003] Among them, for the intelligent soft starter dedicated to explosion-proof motors, since explosion-proof motors are generally used in flammable and explosive occasions, in such working environments, it is difficult for existing intelligent soft starters to well protect the internal body of the soft starter, and the existing intelligent soft starter outer shell is an integrated structure, making it inconvenient to inspect and maintain the internal body of the soft starter. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and to provide an intelligent soft starter dedicated to explosion-proof motors.

[0005] The technical solution of the utility model is as follows: an intelligent soft starter dedicated to explosion-proof motors, comprising an insulating high-strength alloy shell, a soft starter body is installed inside the insulating high-strength alloy shell, an insulating high-strength alloy top plate is installed on the top of the insulating high-strength alloy shell, a handle is fixedly connected to the top of the insulating high-strength alloy top plate, connecting columns are fixedly connected at the four corners of the bottom of the insulating high-strength alloy top plate, and a card slot is opened on the connecting column, two fixing boxes are fixedly connected on both sides of the insulating high-strength alloy shell, a threaded rod is threadedly connected to the top wall of the fixing box, a card plate is fixedly sleeved on the outer periphery of the bottom end of the threaded rod, and when the card plate rotates, the card plate can penetrate the side wall of the insulating high-strength alloy shell and be stuck in the card slot.

[0006] Preferably, a mounting plate is fixedly connected to the back side of the insulating high-strength alloy shell, and a mounting hole is provided inside the mounting plate.

[0007] Preferably, heat dissipation holes are provided on both sides of the insulating high-strength alloy shell.

[0008] Preferably, a rectangular mounting hole is provided on the front side of the insulating high-strength alloy housing, a controller is installed inside the rectangular mounting hole, and the controller is electrically connected to the soft starter body through a wire.

[0009] Preferably, two side walls inside the insulating high-strength alloy shell are fixedly connected to two guide sleeves, and the guide sleeves match the connecting columns.

[0010] Preferably, a soft pad is fixedly connected to the bottom of the insulating high-strength alloy top plate.

[0011] Preferably, a positioning base is fixedly connected to the bottom inner wall of the insulating high-strength alloy shell, a groove is formed on the top of the positioning base, and the groove matches the soft starter body.

[0012] Preferably, a rectangular through hole is provided on the top of the insulating high-strength alloy top plate, and the connecting end on the top of the soft starter body passes through the rectangular through hole.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] In the practical device, an insulating high-strength alloy shell and an insulating high-strength alloy top plate are provided to protect the soft starter body installed therein, thereby effectively reducing the probability of damage to the soft starter body in flammable and explosive occasions; and the insulating high-strength alloy top plate is easy to install and disassemble, and it is convenient to install and remove the soft starter body inside the insulating high-strength alloy shell, which is convenient for the inspection and maintenance of the soft starter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of an embodiment of the utility model is given;

[0016] Figure 2 for Figure 1 A side structural cutaway diagram;

[0017] Figure 3 for Figure 1 Schematic diagram of the internal structure of the fixed box.

[0018] Figure numerals: 1. Insulated high-strength alloy shell; 2. Mounting plate; 3. Mounting hole; 4. Controller; 5. Insulated high-strength alloy top plate; 6. Handle; 7. Soft starter body; 8. Heat dissipation hole; 9. Fixing box; 10. Threaded rod; 11. Card plate; 12. Connecting column; 13. Guide sleeve; 14. Positioning base; 15. Cushion. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] Embodiment 1

[0021] like Figure 1-3As shown, the utility model proposes an intelligent soft starter dedicated to explosion-proof motors, including an insulating high-strength alloy shell 1, a soft starter body 7 is installed inside the insulating high-strength alloy shell 1, an insulating high-strength alloy top plate 5 is installed on the top of the insulating high-strength alloy shell 1, a handle 6 is fixedly connected to the top of the insulating high-strength alloy top plate 5, and connecting columns 12 are fixedly connected at the four corners of the bottom of the insulating high-strength alloy top plate 5. The connecting columns 12 are provided with card slots, and two fixed boxes 9 are fixedly connected to both sides of the insulating high-strength alloy shell 1, and the top wall of the fixed box 9 is threadedly connected with a threaded rod 10, and the bottom end of the threaded rod 10 is fixedly sleeved with a card plate 11, and when the card plate 11 rotates, the card plate 11 can penetrate the side wall of the insulating high-strength alloy shell 1 and be stuck in the card slot.

[0022] In this embodiment: two guide sleeves 13 are fixedly connected to the inner side walls of the insulating high-strength alloy shell 1, and the guide sleeves 13 and the connecting columns 12 match each other. When the insulating high-strength alloy top plate 5 is installed, the guide sleeves 13 play a role in guiding the insulating high-strength alloy top plate 5 and the connecting columns 12.

[0023] In the practical device, the soft starter body 7 is installed in the insulating high-strength alloy shell 1 and covered by the insulating high-strength alloy top plate 5, so that the probability of damage to the soft starter body 7 in flammable and explosive occasions can be effectively reduced; when the soft starter body 7 fails and needs to be repaired, it is only necessary to rotate the threaded rod 10 to drive the card plate 11 to rotate, and the card plate 11 is disengaged from the card slot after rotation and retracted into the interior of the fixed box 9, and then the handle 6 can be held to extract the insulating high-strength alloy top plate 5, so that the soft starter body 7 can be taken out for repair. During installation, the reverse operation can be performed so that the card plate 11 is inserted into the card slot for fixing. The insulating high-strength alloy top plate 5 is easy to install and disassemble, and it is convenient to install and remove the soft starter body 7 inside the insulating high-strength alloy shell 1, which is convenient for the repair and maintenance of the soft starter body 7.

[0024] Embodiment 2

[0025] like Figure 1-2As shown, the utility model proposes an intelligent soft starter dedicated to explosion-proof motors. Compared with the first embodiment, the present embodiment also includes an insulating high-strength alloy shell 1, a mounting plate 2 is fixedly connected to the back of the insulating high-strength alloy shell 1, and a mounting hole 3 is provided inside the mounting plate 2. By providing the mounting plate 2 and the mounting hole 3, the device can be fixedly connected and installed as a whole; a rectangular mounting hole is provided on the front of the insulating high-strength alloy shell 1, and a controller 4 is installed inside the rectangular mounting hole, and the controller 4 is electrically connected to the soft starter body 7 through a wire. By providing the controller 4, it is convenient for the staff to control the soft starter body 7 inside through the controller 4 from the outside to work; the bottom of the insulating high-strength alloy top plate 5 is fixedly provided with a mounting plate 2, and a mounting hole 3 is provided inside the mounting plate 2. A soft pad 15 is fixedly connected, and a positioning base 14 is fixedly connected to the bottom inner wall of the insulating high-strength alloy shell 1. A groove is provided on the top of the positioning base 14, and the groove matches the soft starter body 7. By arranging the soft pad 15 and the positioning base 14, the top installation of the soft starter body 7 is facilitated, and the stability of the soft starter body 7 installed inside the insulating high-strength alloy shell 1 is guaranteed; a rectangular through hole is provided on the top of the insulating high-strength alloy top plate 5, and the connecting end of the top of the soft starter body 7 passes through the rectangular through hole; heat dissipation holes 8 are provided on both sides of the insulating high-strength alloy shell 1. By arranging the heat dissipation holes 8, the heat inside the insulating high-strength alloy shell 1 is facilitated to dissipate, thereby avoiding damage to the soft starter body 7 due to overheating during operation.

[0026] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. An intelligent soft starter for explosion-proof motors, comprising an insulating high-strength alloy housing (1), a soft starter body (7) being installed inside the insulating high-strength alloy housing (1), characterized in that: An insulating high-strength alloy top plate (5) is installed on the top of the insulating high-strength alloy shell (1), a handle (6) is fixedly connected to the top of the insulating high-strength alloy top plate (5), connecting columns (12) are fixedly connected at the four corners of the bottom of the insulating high-strength alloy top plate (5), and a card slot is opened on the connecting column (12), and two fixed boxes (9) are fixedly connected to both sides of the insulating high-strength alloy shell (1), and the top wall of the fixed box (9) is threadedly connected to a threaded rod (10), and a card plate (11) is fixedly sleeved on the outer periphery of the bottom end of the threaded rod (10), and when the card plate (11) rotates, the card plate (11) can penetrate the side wall of the insulating high-strength alloy shell (1) and be inserted into the card slot.

2. The intelligent soft starter for explosion-proof motors according to claim 1 is characterized in that: A mounting plate (2) is fixedly connected to the back of the insulating high-strength alloy shell (1), and a mounting hole (3) is provided inside the mounting plate (2).

3. The intelligent soft starter for explosion-proof motors according to claim 2 is characterized in that: Heat dissipation holes (8) are provided on both sides of the insulating high-strength alloy shell (1).

4. The intelligent soft starter for explosion-proof motors according to claim 1 is characterized in that: A rectangular mounting hole is provided on the front of the insulating high-strength alloy housing (1), a controller (4) is installed inside the rectangular mounting hole, and the controller (4) is electrically connected to the soft starter body (7) via a wire.

5. The intelligent soft starter for explosion-proof motor according to claim 1, characterized in that: Two guide sleeves (13) are fixedly connected to both side walls inside the insulating high-strength alloy shell (1), and the guide sleeves (13) and the connecting columns (12) match each other.

6. The intelligent soft starter for explosion-proof motor according to claim 1, characterized in that: A soft pad (15) is fixedly connected to the bottom of the insulating high-strength alloy top plate (5).

7. The intelligent soft starter for explosion-proof motors according to claim 1 is characterized in that: A positioning base (14) is fixedly connected to the bottom inner wall of the insulating high-strength alloy housing (1), and a groove is provided on the top of the positioning base (14), and the groove matches the soft starter body (7).

8. The intelligent soft starter for explosion-proof motors according to claim 1, characterized in that: A rectangular through hole is provided on the top of the insulating high-strength alloy top plate (5), and the connection end on the top of the soft starter body (7) passes through the rectangular through hole.

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