Mining explosion-proof high-voltage vacuum electromagnetic starter

Abstract

The utility model discloses a mining explosion-proof high-voltage vacuum electromagnetic starter, which relates to the technical field of electromagnetic starters and comprises a mounting seat, the upper surface of the mounting seat is fixedly connected with a fixing block, the upper surface of the fixing block is provided with an arc-shaped clamping groove, and the surface of the arc-shaped clamping groove is provided with an explosion-proof high-voltage vacuum electromagnetic starter body. A groove is formed in the upper surface of the fixed block, a movable block is slidably connected to the surface of the groove, a first lead screw is fixedly connected to the upper surface of the movable block, a frame slides on the inner side of the lower portion of the fixed plate, a buoyancy plate is arranged in the frame, a mounting plate is fixedly connected to the inner side face of the fixed plate, and a microswitch is mounted on the lower surface of the mounting plate. Through the arrangement of the fixed block, the groove, the movable block and the jacking block, the purpose of convenient installation is achieved, and through the arrangement of the supporting sleeve legs, the telescopic legs, the frame, the buoyancy plate, the installation plate and the microswitch, the purpose of improving the self-protection performance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic starters, in particular to an explosion-proof high-voltage vacuum electromagnetic starter for mining. Background Art

[0002] The explosion-proof electromagnetic starter for mining is mainly used to control the direct start, stop and forward and reverse operation of mining induction motors, and can protect the motors from overload and phase failure. It adopts a quick-opening door structure, which is simple and reasonable, easy to operate, and the main body adopts a vertical plate type, using a simple control circuit for easy maintenance. The starter starts and stops the load at a long distance, and has protection functions such as overload, phase failure, short circuit, and leakage lock detection.

[0003] Publication of patent specification for utility model patent in China CN210372582U A flameproof electromagnetic starter for mining is disclosed in the specification. Although the utility model drives two movable seats to move relative to each other through the rotation of a rotating shaft, so that the hinge rod rotates along the hinged position with the hinge seat, drives the flameproof housing to move vertically, and then adjusts the installation height of the flameproof housing and the placement surface, that is, adjusts the height of the cable connector to facilitate the connection of the external cable thereto, is easy to operate, and has a low manufacturing cost, but the electromagnetic starter is used in a mine cave. There are many adverse factors in the mine cave, which may cause water leakage due to groundwater, rainfall, ore body cracks and mine cave structure, and then submerge the electromagnetic starter. The existing electromagnetic starter itself has poor protection and cannot protect itself after water leakage. In order to improve the protection of the electromagnetic starter, there is an urgent need for a flameproof high-voltage vacuum electromagnetic starter for mining. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides an explosion-proof high-voltage vacuum electromagnetic starter for mining, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a mining explosion-proof high-voltage vacuum electromagnetic starter, comprising a mounting seat, the upper surface of the mounting seat is fixedly connected with a fixed block, the upper surface of the fixed block is provided with an arc-shaped slot, the surface of the arc-shaped slot is installed with an explosion-proof high-voltage vacuum electromagnetic starter body, the upper surface of the fixed block is provided with a groove, the surface of the groove is slidably connected with a moving block, the upper surface of the moving block is fixedly connected with a first screw rod, the inner side surface of the first screw rod abuts against the outer surface of the explosion-proof high-voltage vacuum electromagnetic starter body, the lower surface of the mounting seat is fixedly connected with a support sleeve leg, the inner surface of the support sleeve leg is slidably connected with a telescopic leg, the inner surface of the support sleeve leg is provided with a limiting slide groove, the outer surface of the telescopic leg is fixedly connected with a limiting slide bar, the limiting slide bar slides in the limiting slide groove, the lower surface of the mounting seat is fixedly connected with a fixed plate, an inner side sliding frame at the lower part of the fixed plate, a buoyancy plate is arranged inside the frame, the inner side surface of the fixed plate is fixedly connected with a mounting plate, and a micro switch is installed on the lower surface of the mounting plate.

[0008] Optionally, there are two fixing blocks, which are symmetrically distributed on the upper surface of the mounting seat.

[0009] Optionally, the inner side surface of the groove is rotatably connected to a first screw rod via a bearing, one end of the first screw rod passes through the side surface of the fixed block, and the penetrated end is fixedly connected to the rotating block, and the surface of the first screw rod is threadedly connected to the moving block.

[0010] Optionally, the number of the grooves, the moving block, the first screw rod, the rotating block and the tightening block on each of the fixed blocks is two and they are symmetrically distributed.

[0011] Optionally, a servo motor is installed on the inner top surface of the support leg, the output end of the servo motor is fixedly connected to a second screw rod, the surface of the second screw rod is threadedly connected to a telescopic leg, and an anti-slip pad is provided on the lower surface of the telescopic leg. The number of support legs, telescopic legs and anti-slip pads are two each, and they are distributed in a rectangular array.

[0012] Optionally, a second slide groove is provided on the inner side surface of the lower part of the fixed plate, a second slider is slidably connected to the surface of the second slide groove, a second slider is fixedly connected to the side of the frame, a mounting plate and a micro switch are arranged above the buoyancy plate, and the micro switch is connected to the control circuit of four servo motors through wires.

[0013] (III) Beneficial effects

[0014] The utility model provides a mining explosion-proof high-voltage vacuum electromagnetic starter, which has the following beneficial effects:

[0015] 1. This kind of explosion-proof high-voltage vacuum electromagnetic starter for mining has the effect of convenient installation through the arrangement of fixed blocks, grooves, moving blocks and tightening blocks. When in use, the main body of the explosion-proof high-voltage vacuum electromagnetic starter is placed in the arc-shaped slot, and then the rotating block is turned to the right, and the first screw rod is driven to rotate by the rotating block, so that the moving block threadedly connected to the surface of the first screw rod moves inward in the groove, and the tightening block is driven to approach the main body of the explosion-proof high-voltage vacuum electromagnetic starter by the moving block, and the four tightening blocks are tightened in turn, thereby completing the installation of the main body of the explosion-proof high-voltage vacuum electromagnetic starter. It is simple and convenient, and the purpose of convenient installation is achieved.

[0016] 2. This kind of explosion-proof high-voltage vacuum electromagnetic starter for mining has the effect of automatically raising the height of the device through the arrangement of the supporting legs, telescopic legs, frame, buoyancy plate, mounting plate and micro switch. When in use, when water leaks in the mine, the water level rises, and the buoyancy plate moves upward under the action of buoyancy. When the water level reaches a certain height, the upper surface of the buoyancy plate contacts the micro switch, and the micro switch is triggered at this time. A control signal is sent to four servo motors through the micro switch, so that the output ends of the four servo motors rotate forward at the same time, and the second screw rod is driven to rotate by the servo motor, so that the thread on the surface of the second screw rod is connected The connected telescopic legs move downward in the limiting slide groove through the limiting slide bar on the outer surface, so that the overall length of the support legs and the telescopic legs becomes, thereby driving the explosion-proof high-voltage vacuum electromagnetic starter body above the mounting seat to move upward, so that the explosion-proof high-voltage vacuum electromagnetic starter body moves to the highest position, avoiding leaked water from entering the explosion-proof high-voltage vacuum electromagnetic starter body, and protecting the explosion-proof high-voltage vacuum electromagnetic starter body to a great extent. The device automatically moves the explosion-proof high-voltage vacuum electromagnetic starter body to the highest position through the setting of the buoyancy plate and the micro switch, has a simple structure, low energy consumption, and achieves the purpose of improving its own protection performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the front section of the utility model;

[0019] Figure 3 For this utility model Figure 2 The structural diagram at A in the middle;

[0020] Figure 4 It is a schematic diagram of the structure of the side cross-section of the utility model;

[0021] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at B in the figure.

[0022] In the figure: 1. mounting base; 2. fixing block; 3. arc-shaped slot; 4. explosion-proof high-voltage vacuum electromagnetic starter body; 5. groove; 6. moving block; 7. first screw rod; 8. rotating block; 9. tightening block; 10. supporting leg sleeve; 11. telescopic leg; 12. limiting slide groove; 13. limiting slide bar; 14. servo motor; 15. second screw rod; 16. anti-slip pad; 17. fixing plate; 18. second slide groove; 19. second slide block; 20. frame; 21. buoyancy plate; 22. mounting plate; 23. micro switch. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] See also Figures 1 to 3 The utility model provides a technical solution: a mining explosion-proof high-voltage vacuum electromagnetic starter, comprising a mounting seat 1, a fixed block 2 is fixedly connected to the upper surface of the mounting seat 1, an arc-shaped slot 3 is provided on the upper surface of the fixed block 2, an explosion-proof high-voltage vacuum electromagnetic starter body 4 is installed on the surface of the arc-shaped slot 3, a groove 5 is provided on the upper surface of the fixed block 2, a moving block 6 is slidably connected to the surface of the groove 5, a first screw rod 7 is fixedly connected to the upper surface of the moving block 6, the inner side surface of the first screw rod 7 abuts against the outer surface of the explosion-proof high-voltage vacuum electromagnetic starter body 4, the number of fixed blocks 2 is two, and they are symmetrically distributed on the upper surface of the mounting seat 1, the inner side surface of the groove 5 is rotatably connected to the first screw rod 7 through a bearing, one end of the first screw rod 7 passes through the side of the fixed block 2, and the end that passes through is fixedly connected to a rotating block 8, the surface of the first screw rod 7 is threadedly connected to the moving block 6, and the number of the grooves 5, the moving block 6, the first screw rod 7, the rotating block 8 and the tightening block 9 on each fixed block 2 is two, and they are symmetrically distributed.

[0026] In order to achieve the purpose of convenient installation, when in use, the explosion-proof high-voltage vacuum electromagnetic starter main body 4 is placed into the arc-shaped slot 3, and then the rotating block 8 is turned to the right, and the first screw rod 7 is driven to rotate by the rotating block 8, and then the moving block 6 threadedly connected to the surface of the first screw rod 7 moves inward in the groove 5, and the moving block 6 drives the tightening block 9 to approach the explosion-proof high-voltage vacuum electromagnetic starter main body 4, and the four tightening blocks 9 are tightened in turn, thereby completing the installation of the explosion-proof high-voltage vacuum electromagnetic starter main body 4. It is simple and convenient, and the purpose of convenient installation is achieved.

[0027] Example 2

[0028] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 The utility model provides a technical solution: a mining explosion-proof high-voltage vacuum electromagnetic starter, comprising a mounting seat 1, a support leg 10 is fixedly connected to the lower surface of the mounting seat 1, a telescopic leg 11 is slidably connected to the inner surface of the support leg 10, a limiting slide groove 12 is provided on the inner surface of the support leg 10, a limiting slide bar 13 is fixedly connected to the outer surface of the telescopic leg 11, and the limiting slide bar 13 slides in the limiting slide groove 12, a fixed plate 17 is fixedly connected to the lower surface of the mounting seat 1, an inner sliding frame 20 at the lower part of the fixed plate 17, a buoyancy plate 21 is arranged inside the frame 20, a mounting plate 22 is fixedly connected to the inner side surface of the fixed plate 17, and a micro switch 23 is installed on the lower surface of the mounting plate 22 A servo motor 14 is installed on the inner top surface of the support leg 10, and a second screw rod 15 is fixedly connected to the output end of the servo motor 14. The surface of the second screw rod 15 is threadedly connected to the telescopic leg 11, and an anti-slip pad 16 is arranged on the lower surface of the telescopic leg 11. The number of the support leg 10, the telescopic leg 11 and the anti-slip pad 16 are two, and they are distributed in a rectangular array. A second slide groove 18 is opened on the inner side surface of the lower part of the fixed plate 17, and a second slider 19 is slidably connected to the surface of the second slide groove 18. The side of the frame 20 is fixedly connected to the second slider 19. The mounting plate 22 and the micro switch 23 are arranged above the buoyancy plate 21, and the micro switch 23 is connected to the control circuit of the four servo motors 14 through a wire.

[0029] In order to achieve the purpose of improving its own protection performance, when in use, when water leaks in the mine, the water level rises, and the buoyancy board 21 moves upward under the action of buoyancy. When the water level reaches a certain height, the upper surface of the buoyancy board 21 contacts the micro switch 23. At this time, the micro switch 23 is triggered, and a control signal is sent to the four servo motors 14 through the micro switch 23, so that the output ends of the four servo motors 14 rotate forward at the same time, and the second screw rod 15 is driven to rotate by the servo motor 14, so that the telescopic leg 11 threadedly connected to the surface of the second screw rod 15 moves downward in the limiting slide groove 12 through the limiting slide bar 13 on the outer surface, and enters The overall length of the support leg 10 and the telescopic leg 11 becomes, which in turn drives the explosion-proof high-voltage vacuum electromagnetic starter body 4 above the mounting seat 1 to move upward, so that the explosion-proof high-voltage vacuum electromagnetic starter body 4 moves to the highest position, avoiding leaked water from entering the explosion-proof high-voltage vacuum electromagnetic starter body 4, and protecting the explosion-proof high-voltage vacuum electromagnetic starter body 4 to a great extent. The device automatically moves the explosion-proof high-voltage vacuum electromagnetic starter body 4 to the highest position through the setting of the buoyancy plate 21 and the microswitch 23. It has a simple structure and low energy consumption, thereby achieving the purpose of improving its own protection performance.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mining explosion-proof high-voltage vacuum electromagnetic starter, comprising a mounting seat (1), characterized in that: The upper surface of the mounting seat (1) is fixedly connected to a fixed block (2), the upper surface of the fixed block (2) is provided with an arc-shaped slot (3), the surface of the arc-shaped slot (3) is provided with an explosion-proof high-voltage vacuum electromagnetic starter body (4), the upper surface of the fixed block (2) is provided with a groove (5), the surface of the groove (5) is slidably connected to a moving block (6), the upper surface of the moving block (6) is fixedly connected to a first screw rod (7), the inner side surface of the first screw rod (7) is in contact with the outer surface of the explosion-proof high-voltage vacuum electromagnetic starter body (4), the lower surface of the mounting seat (1) is fixedly connected to a support sleeve leg (10), the support sleeve The inner surface of the leg (10) is slidably connected to the telescopic leg (11), the inner surface of the support sleeve leg (10) is provided with a limit slide groove (12), the outer surface of the telescopic leg (11) is fixedly connected to the limit slide bar (13), the limit slide bar (13) slides in the limit slide groove (12), the lower surface of the mounting seat (1) is fixedly connected to the fixed plate (17), the inner side sliding frame (20) under the fixed plate (17), the frame (20) is provided with a buoyancy plate (21), the inner side surface of the fixed plate (17) is fixedly connected to the mounting plate (22), and the lower surface of the mounting plate (22) is installed with a micro switch (23).

2. The explosion-proof high-voltage vacuum electromagnetic starter for mining according to claim 1 is characterized in that: The number of the fixing blocks (2) is two, and they are symmetrically distributed on the upper surface of the mounting seat (1).

3. The explosion-proof high-voltage vacuum electromagnetic starter for mining according to claim 1 is characterized in that: The inner side surface of the groove (5) is rotatably connected to a first screw rod (7) via a bearing, one end of the first screw rod (7) penetrates the side surface of the fixed block (2), and the penetrated end is fixedly connected to a rotating block (8), and the surface of the first screw rod (7) is threadedly connected to a moving block (6).

4. The explosion-proof high-voltage vacuum electromagnetic starter for mining according to claim 3 is characterized in that: The number of the grooves (5), the moving blocks (6), the first screw rod (7), the rotating blocks (8) and the tightening blocks (9) on each of the fixed blocks (2) is two and they are symmetrically distributed.

5. The explosion-proof high-voltage vacuum electromagnetic starter for mining according to claim 1 is characterized in that: A servo motor (14) is installed on the inner top surface of the support sleeve leg (10); the output end of the servo motor (14) is fixedly connected to a second screw rod (15); the surface of the second screw rod (15) is threadedly connected to the telescopic leg (11); the lower surface of the telescopic leg (11) is provided with an anti-skid pad (16); the number of the support sleeve leg (10), the telescopic leg (11) and the anti-skid pad (16) are all two, and they are distributed in a rectangular array.

6. The explosion-proof high-voltage vacuum electromagnetic starter for mining according to claim 1, characterized in that: A second slide groove (18) is provided on the inner side surface of the lower part of the fixed plate (17); a second slider (19) is slidably connected to the surface of the second slide groove (18); the second slider (19) is fixedly connected to the side surface of the frame (20); a mounting plate (22) and a micro switch (23) are arranged above the buoyancy plate (21); and the micro switch (23) is connected to the control circuit of the four servo motors (14) through a wire.

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