Mining explosion-proof reversible vacuum electromagnetic starter

Abstract

The utility model discloses a mining explosion-proof reversible vacuum electromagnetic starter, which relates to the technical field of mining explosion-proof reversible vacuum electromagnetic starters and comprises a mounting base, and the inner wall of the mounting base is movably connected with a mounting block. Through arrangement of the mounting base, the rotating rod, the first gear, the second gear, a transmission rod, a first bidirectional threaded rod, a connecting rod, a second bidirectional threaded rod, a mounting block, a fixing plate and a square block, the mining explosion-proof reversible vacuum electromagnetic starter has the advantages that the electromagnetic starter body is convenient to disassemble and assemble, and inconvenience in disassembly and assembly of the vacuum electromagnetic starter body is avoided; through the arrangement of the mounting base, the pressing block, the lifting column, the first threaded rod, the pressing rod, the clamping block, the reset spring, the extrusion block, the first spring and the clamping groove, the mining explosion-proof reversible vacuum electromagnetic starter can cope with the situation that the ground is uneven, and displacement or inclination of the vacuum electromagnetic starter body caused by the uneven ground is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of flameproof reversible vacuum electromagnetic starters for mines, in particular to a flameproof reversible vacuum electromagnetic starter for mines. Background Art

[0002] The vacuum electromagnetic starter is mainly used to control the direct start, stop and forward and reverse operation of the mining induction motor, and can protect the motor from overload and phase failure. It adopts a quick-opening door structure, which is simple and reasonable, easy to operate, and the 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] At present, the explosion-proof reversible vacuum electromagnetic starter for mining in the prior art is usually fixedly connected between the electromagnetic starter body and the mounting base by bolts. When in use, since the electromagnetic starter body and the mounting base are fixedly connected by bolts, the staff needs to use tools to disassemble it during maintenance or installation, which is inconvenient for the staff to operate. There is a problem of inconvenience in disassembling and assembling the electromagnetic starter body. When the ground is uneven, since the existing mounting base of the explosion-proof reversible vacuum electromagnetic starter for mining cannot be adjusted, the vacuum electromagnetic starter body is prone to displacement or tipping, which is inconvenient to use. There is a problem of displacement or tilt of the vacuum electromagnetic starter body caused by the uneven ground. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a flameproof reversible 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 by the following technical scheme: comprising a mounting base, the inner wall of the mounting base is movably connected with a mounting block, the top of the mounting block is fixedly connected to the vacuum electromagnetic starter body, and the inner wall of the mounting base is provided with a card slot;

[0008] The inner wall of the mounting block is slidably connected with a square block, one end of the square block is fixedly connected with a fixing plate, the inner wall of the fixing plate is threadedly connected with a first bidirectional threaded rod, one end of the first bidirectional threaded rod is fixedly connected with a transmission rod, one end of the transmission rod is fixedly connected with a second gear, the outer side of the second gear is meshed with the first gear, and the top of the first gear is fixedly connected with a rotating rod;

[0009] The inner wall of the slot is slidably connected with a block, the outer side of the block is fixedly connected with a return spring, one end of the return spring is fixedly connected with a first threaded rod, the outer side of the first threaded rod is threadedly connected with a lifting column, and the top of the first threaded rod is fixedly connected with a rotating block.

[0010] Optionally, the inner wall of the rotating block is slidably connected to a pressing block, the bottom of the pressing block is fixedly connected to a pressing rod, the bottom of the pressing rod is fixedly connected to an extrusion block, the bottom of the extrusion block is fixedly connected to a first spring, the bottom of the first spring is fixedly connected to a first threaded rod, and the outer side of the extrusion block is slidably connected to a clamping block.

[0011] Optionally, the other end of the first bidirectional threaded rod is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a second bidirectional threaded rod, and the outer side of the second bidirectional threaded rod is threadedly connected to a fixing plate.

[0012] Optionally, the outer wall shape of the lifting column is a square column, and the inner wall shape of the lifting column is a circle.

[0013] Optionally, the length of the first bidirectional threaded rod is equal to the length of the second bidirectional threaded rod, and the shape of the square block is a square.

[0014] Optionally, there are four fixing plates, and the fixing plates are evenly distributed on the first bidirectional threaded rod and the second bidirectional threaded rod.

[0015] (III) Beneficial effects

[0016] The utility model provides a mine flameproof reversible vacuum electromagnetic starter, which has the following beneficial effects:

[0017] 1. The mine flameproof reversible vacuum electromagnetic starter is provided by installing a base, a rotating rod, a first gear, a second gear, a transmission rod, a first bidirectional threaded rod, a connecting rod, a second bidirectional threaded rod, a mounting block, a fixing plate, and a square block. The mine flameproof reversible vacuum electromagnetic starter is convenient for disassembling and assembling the electromagnetic starter body, avoiding the inconvenience of disassembling and assembling the vacuum electromagnetic starter body.

[0018] 2. The explosion-proof reversible vacuum electromagnetic starter for mining is arranged by installing a base, a pressing block, a lifting column, a first threaded rod, a pressing rod, a clamping block, a reset spring, an extrusion block, a first spring, and a clamping groove. The explosion-proof reversible vacuum electromagnetic starter for mining can cope with uneven ground conditions and avoid displacement or tilting of the vacuum electromagnetic starter body caused by uneven ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the positive shaft side structure of the utility model;

[0020] Figure 2 This is a schematic cross-sectional structure diagram of a first bidirectional threaded rod of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the installation block of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the connecting rod of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the pressing block of the utility model;

[0024] Figure 6 For this utility model Figure 5 The enlarged structural diagram at A in the middle;

[0025] Figure 7 This is a partial cross-sectional structural diagram of the installation base of the utility model;

[0026] Figure 8 For this utility model Figure 7 Enlarged structural diagram at B in the middle.

[0027] In the figure: 1. vacuum electromagnetic starter body; 2. mounting base; 3. pressing block; 4. rotating block; 5. rotating rod; 6. lifting column; 7. first threaded rod; 8. pressing rod; 9. clamping block; 10. reset spring; 11. extrusion block; 12. first spring; 13. clamping groove; 14. first gear; 15. second gear; 16. transmission rod; 17. first two-way threaded rod; 18. connecting rod; 19. second two-way threaded rod; 20. mounting block; 21. fixing plate; 22. square block. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1

[0030] See also Figures 1 to 8 The utility model provides a technical solution: a flameproof reversible vacuum electromagnetic starter for mining, comprising a mounting base 2, the inner wall of the mounting base 2 is movably connected with a mounting block 20, the top of the mounting block 20 is fixedly connected with a vacuum electromagnetic starter body 1, and the inner wall of the mounting base 2 is provided with a card slot 13;

[0031] The inner wall of the mounting block 20 is slidably connected with a square block 22, one end of the square block 22 is fixedly connected with a fixing plate 21, there are four fixing plates 21, and the fixing plates 21 are evenly distributed on the first two-way threaded rod 17 and the second two-way threaded rod 19. The inner wall of the fixing plate 21 is threadedly connected with the first two-way threaded rod 17, the other end of the first two-way threaded rod 17 is fixedly connected with a connecting rod 18, one end of the connecting rod 18 is fixedly connected with a second two-way threaded rod 19, the outer side of the second two-way threaded rod 19 is threadedly connected with the fixing plate 21, the length of the first two-way threaded rod 17 is equal to the length of the second two-way threaded rod 19, and the shape of the square block 22 is a square. shape, one end of the first bidirectional threaded rod 17 is fixedly connected to the transmission rod 16, one end of the transmission rod 16 is fixedly connected to the second gear 15, the outer side of the second gear 15 is meshed with the first gear 14, the top of the first gear 14 is fixedly connected to the rotating rod 5, and the installation base 2, the rotating rod 5, the first gear 14, the second gear 15, the transmission rod 16, the first bidirectional threaded rod 17, the connecting rod 18, the second bidirectional threaded rod 19, the mounting block 20, the fixing plate 21, and the square block 22 are arranged to provide a mine-use flameproof reversible vacuum electromagnetic starter that is convenient for disassembly and assembly of the vacuum electromagnetic starter body 1, thereby avoiding the inconvenience of disassembly and assembly of the vacuum electromagnetic starter body 1.

[0032] When in use, insert the bottom of the vacuum electromagnetic starter body 1 into the mounting base 2, and then rotate the rotating rod 5 forward to rotate the first gear 14, and the first gear 14 is meshed with the second gear 15 to rotate the transmission rod 16, and the transmission rod 16 then drives the first bidirectional threaded rod 17, and the first bidirectional threaded rod 17 drives the second bidirectional threaded rod 19 through the connecting rod 18, so that the fixed plate 21 moves to clamp and fix the mounting block 20, and the square block 22 on one side of the fixed plate 21 is inserted into the mounting block 20 to restrict the mounting block 20, and the installation of the vacuum electromagnetic starter body 1 is completed. When disassembling, reverse the rotating rod 5 to move the fixed plate 21 backward, and the square block 22 withdraws from the mounting block 20, so that the vacuum electromagnetic starter body 1 can be removed.

[0033] Example 2

[0034] See also Figures 1 to 8 The utility model provides a technical solution: a flameproof reversible vacuum electromagnetic starter for mining, comprising a mounting base 2, the inner wall of the mounting base 2 is movably connected with a mounting block 20, the top of the mounting block 20 is fixedly connected with a vacuum electromagnetic starter body 1, and the inner wall of the mounting base 2 is provided with a card slot 13

[0035] The inner wall of the card slot 13 is slidably connected with a card block 9, the outer side of the card block 9 is fixedly connected with a return spring 10, one end of the return spring 10 is fixedly connected with a first threaded rod 7, the outer side of the first threaded rod 7 is threadedly connected with a lifting column 6, the outer wall shape of the lifting column 6 is a square column, the inner wall shape of the lifting column 6 is a circle, the top of the first threaded rod 7 is fixedly connected with a rotating block 4, the inner wall of the rotating block 4 is slidably connected with a pressing block 3, the bottom of the pressing block 3 is fixedly connected with a pressing rod 8, the bottom of the pressing rod 8 is fixedly connected with an extrusion block 11, and the extrusion The bottom of the block 11 is fixedly connected with a first spring 12, the bottom of the first spring 12 is fixedly connected with a first threaded rod 7, the outer side of the extrusion block 11 is abutted against and connected with a clamping block 9, and by installing a base 2, a pressing block 3, a lifting column 6, a first threaded rod 7, a pressing rod 8, a clamping block 9, a reset spring 10, an extrusion block 11, a first spring 12, and a clamping groove 13, a mine explosion-proof reversible vacuum electromagnetic starter can cope with uneven ground conditions, thereby avoiding displacement or tilting of the vacuum electromagnetic starter body 1 caused by uneven ground.

[0036] When in use, press the pressing block 3 with your hand and rotate the rotating block 4 forward. The pressing block 3 moves downward due to the pressure, so that the pressing rod 8 pushes the extrusion block 11 downward, the first spring 12 contracts, and the block 9 is pulled by the return spring 10, so that the block 9 retreats from the slot 13 into the first threaded rod 7, and the first threaded rod 7 can be rotated without the restriction of the block 9. The first threaded rod 7 rotates to move the lifting column 6 downward, so as to cope with the uneven ground. After adjustment, release the pressing block 3, so that the first spring 12 pushes the extrusion block 11 upward, and the block 9 is squeezed by the extrusion block 11 and moves outward, thereby entering the slot 13, restricting the first threaded rod 7, and ensuring the stability of the lifting column 6 after adjustment.

[0037] 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 flameproof reversible vacuum electromagnetic starter for mining, comprising a mounting base (2), characterized in that: The inner wall of the mounting base (2) is movably connected to a mounting block (20), the top of the mounting block (20) is fixedly connected to a vacuum electromagnetic starter body (1), and the inner wall of the mounting base (2) is provided with a card slot (13); The inner wall of the mounting block (20) is slidably connected to a square block (22), one end of the square block (22) is fixedly connected to a fixing plate (21), the inner wall of the fixing plate (21) is threadedly connected to a first bidirectional threaded rod (17), one end of the first bidirectional threaded rod (17) is fixedly connected to a transmission rod (16), one end of the transmission rod (16) is fixedly connected to a second gear (15), the outer side of the second gear (15) is meshedly connected to the first gear (14), and the top of the first gear (14) is fixedly connected to a rotating rod (5); The inner wall of the clamping groove (13) is slidably connected to a clamping block (9), the outer side of the clamping block (9) is fixedly connected to a return spring (10), one end of the return spring (10) is fixedly connected to a first threaded rod (7), the outer side of the first threaded rod (7) is threadedly connected to a lifting column (6), and the top of the first threaded rod (7) is fixedly connected to a rotating block (4).

2. The flameproof reversible vacuum electromagnetic starter for mining according to claim 1 is characterized in that: The inner wall of the rotating block (4) is slidably connected to a pressing block (3); the bottom of the pressing block (3) is fixedly connected to a pressing rod (8); the bottom of the pressing rod (8) is fixedly connected to an extrusion block (11); the bottom of the extrusion block (11) is fixedly connected to a first spring (12); the bottom of the first spring (12) is fixedly connected to a first threaded rod (7); and the outer side of the extrusion block (11) is abuttingly connected to a clamping block (9).

3. The flameproof reversible vacuum electromagnetic starter for mining according to claim 1 is characterized in that: The other end of the first bidirectional threaded rod (17) is fixedly connected to a connecting rod (18), one end of the connecting rod (18) is fixedly connected to a second bidirectional threaded rod (19), and the outer side of the second bidirectional threaded rod (19) is threadedly connected to a fixing plate (21).

4. The flameproof reversible vacuum electromagnetic starter for mining according to claim 1 is characterized in that: The outer wall shape of the lifting column (6) is a square column, and the inner wall shape of the lifting column (6) is a circle.

5. The flameproof reversible vacuum electromagnetic starter for mining according to claim 1 is characterized in that: The length of the first bidirectional threaded rod (17) is equal to the length of the second bidirectional threaded rod (19), and the shape of the square block (22) is a square.

6. The flameproof reversible vacuum electromagnetic starter for mining according to claim 1 is characterized in that: There are four fixing plates (21), and the fixing plates (21) are evenly distributed on the first bidirectional threaded rod (17) and the second bidirectional threaded rod (19).

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