CN114337065B - Mining safe and stable explosion-proof three-phase asynchronous motor - Google Patents
Mining safe and stable explosion-proof three-phase asynchronous motor Download PDFInfo
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- CN114337065B CN114337065B CN202111653772.1A CN202111653772A CN114337065B CN 114337065 B CN114337065 B CN 114337065B CN 202111653772 A CN202111653772 A CN 202111653772A CN 114337065 B CN114337065 B CN 114337065B
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Abstract
The invention discloses a mining safe and stable explosion-proof three-phase asynchronous motor, which comprises an asynchronous motor and a control box, wherein the control box is positioned at the top of the asynchronous motor and is fixedly connected with the asynchronous motor, a sleeve is fixedly communicated with the front side of the control box, and an upper clamping plate is arranged at the top inside the sleeve. According to the invention, the sleeve, the upper clamping plate, the lower clamping plate, the limiting mechanism and the connecting mechanism are arranged, the cable can be preliminarily fixed through the upper clamping plate and the lower clamping plate, and the connecting mechanism is clamped and fixed through the limiting mechanism, so that the stability of the cable fixed by the upper clamping plate and the lower clamping plate is improved, and the problems that the existing explosion-proof three-phase asynchronous motor is required to be connected into the control box when in use, the electric power is transmitted and controlled to the explosion-proof three-phase asynchronous motor, and the cable and the control box are easy to wear and loose, and the explosion-proof three-phase asynchronous motor cannot be used due to power failure are solved.
Description
Technical Field
The invention belongs to the technical field of three-phase asynchronous motors, and particularly relates to a safe and stable explosion-proof three-phase asynchronous motor for mines.
Background
The explosion-proof three-phase asynchronous motor is needed to be used for the internal power transmission of the mining factory, and the problems existing in the prior art are that: the explosion-proof three-phase asynchronous motor needs to be connected into the inside of control box when using, carries out electric power transmission and control to explosion-proof three-phase asynchronous motor, produces wearing and tearing and pine between cable and the control box easily, causes explosion-proof three-phase asynchronous motor to be unable problem of using because of the outage easily, leads to explosion-proof three-phase asynchronous motor's result of use to become worse problem, seriously still can cause danger.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a mining safe and stable explosion-proof three-phase asynchronous motor, which has the advantage of reinforcing a cable connecting wire, and solves the problems that when the traditional explosion-proof three-phase asynchronous motor is used, the connecting cable needs to be connected into a control box, the explosion-proof three-phase asynchronous motor is subjected to power transmission and control, the cable and the control box are easy to wear and loose, and the explosion-proof three-phase asynchronous motor is easy to cause the problem that the explosion-proof three-phase asynchronous motor cannot be used due to power failure.
The invention discloses a safe and stable explosion-proof three-phase asynchronous motor for mines, which is realized by the adoption of the safe and stable explosion-proof three-phase asynchronous motor, and comprises an asynchronous motor and a control box, wherein the control box is positioned at the top of the asynchronous motor and is fixedly connected with the asynchronous motor, the front side of the control box is fixedly communicated with a sleeve, the top inside the sleeve is provided with an upper clamping plate, the bottom inside the sleeve is provided with a lower clamping plate, two sides of the sleeve are fixedly connected with limiting mechanisms, the inside of the limiting mechanisms is movably connected with a connecting mechanism, and one side, close to the upper clamping plate and the lower clamping plate, of the connecting mechanism is fixedly connected with the upper clamping plate and the lower clamping plate respectively.
As the preferable one of the invention, the limit mechanism on the right side comprises a limit box, the left side of the limit box is fixedly connected with the surface of the sleeve, the right side in the limit box is provided with a first movable rod, the left sides of the top and the bottom of the first movable rod are fixedly connected with a pushing rod, the surface of the pushing rod is movably connected with a pushing plate, one side of the pushing plate, which is far away from each other, is fixedly connected with a second movable rod, the surface of the second movable rod is movably connected with the inner wall of the limit box, one side of the second movable rod, which is close to each other, is fixedly connected with a limit plate, and one side of the limit plate, which is close to the connecting mechanism, is matched with the surface of the connecting mechanism.
As the preferable one of the invention, the connecting mechanism comprises a fixed column, the fixed column is positioned between one opposite sides of the two limiting plates, the front side of the fixed column penetrates through the limiting box and extends to the front side of the limiting box, the front side of the fixed column is fixedly connected with a connecting block, the top and the bottom of the connecting block are fixedly connected with a moving plate, the left side of the moving plate is movably connected with a third moving rod, the left side of the top of the third moving rod is fixedly connected with the surface of the upper clamping plate, and the left side of the bottom of the third moving rod is fixedly connected with the surface of the lower clamping plate.
As the preferable mode of the invention, the left side of the inside of the first moving rod is provided with a first guide rod, the surface of the first guide rod is movably connected with the inside of the first moving rod, the left side of the first guide rod is fixedly connected with a first fixed block, and the rear side of the first fixed block is fixedly connected with the rear side of the inner wall of the limit box.
As the preferable one of the invention, the left side of the opposite side of the second moving rod is provided with a limit shell, the rear side of the limit shell is fixedly connected with the rear side of the inner wall of the limit box, the top and the bottom of the inner wall of the limit shell are both movably connected with a second fixing block, the surface of the second fixing block is movably connected with the inner wall of the limit shell, one side of the second fixing block away from each other is fixedly connected with a second guide rod, and one side of the second guide rod away from the second fixing block penetrates through the limit shell and is fixedly connected with the surface of the second moving rod.
As the preferable mode of the invention, the surface of the fixed column is provided with the limiting grooves matched with the limiting plates, and the number of the limiting grooves is a plurality of the limiting grooves which are uniformly distributed on the surface of the fixed column.
As the preferable mode of the invention, the two sides of the side, far away from each other, of the second moving rod are fixedly connected with springs, and the side, far away from the second moving rod, of the springs is fixedly connected with the inner wall of the limit box.
As the preferable mode of the invention, the inside of the movable plate is movably connected with a third fixed block, the left side of the third fixed block is fixedly connected with the right side of a third movable rod, the inside of the third fixed block is movably connected with a third guide rod, the top and the bottom of the third guide rod are fixedly connected with the inner wall of the movable plate, and the left side of the movable plate is provided with an opening matched with the third movable rod.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the sleeve, the upper clamping plate, the lower clamping plate, the limiting mechanism and the connecting mechanism are arranged, the cable can be preliminarily fixed through the upper clamping plate and the lower clamping plate, and the connecting mechanism is clamped and fixed through the limiting mechanism, so that the stability of the cable fixed by the upper clamping plate and the lower clamping plate is improved, and the problems that the existing explosion-proof three-phase asynchronous motor is required to be connected into the control box when in use, the electric power is transmitted and controlled to the explosion-proof three-phase asynchronous motor, abrasion and looseness are easy to occur between the cable and the control box, and the explosion-proof three-phase asynchronous motor cannot be used due to power failure are solved.
2. According to the invention, the limiting mechanism is arranged, so that the fixing and limiting of the fixing column can be achieved, the position of the fixing column is conveniently adjusted, and the stability of the fixing structure is improved by moving the first moving rod, the first moving rod drives the abutting moving rod to move, the abutting moving rod drives the abutting moving plate to move, the abutting moving plate drives the second moving rod to move, and the second moving rod drives the limiting plate to move.
3. According to the invention, the connecting mechanism is arranged, the upper clamping plate and the lower clamping plate can be clamped on the surface of the cable, the connecting block is moved backwards, the connecting block drives the third moving rod, the upper clamping plate and the lower clamping plate to move backwards, and the purpose of clamping cables with different diameters is achieved by limiting and fixing different positions of the fixed column.
4. According to the invention, the first guide rod and the first fixed block are arranged, so that the first movable rod can be limited, the first movable rod is prevented from shaking, the moving stability of the first movable rod is improved, and the structure is prevented from being blocked.
5. According to the invention, the second moving rod can be limited by arranging the limiting shell, the second fixing block and the second guide rod, so that the moving stability of the second moving rod is increased, and the second fixing block prevents the second guide rod from being separated from the inside of the limiting shell.
6. According to the invention, the stability of the fixed column fixed by the limiting plate can be effectively increased by arranging the limiting groove, the flexibility of adjusting the fixed column is increased, and different tensile forces are conveniently applied to the connecting block.
7. According to the invention, the spring is arranged, so that the second moving rod can be conveniently reset, the second moving rod is prevented from being blocked, and the second moving rod can conveniently drive the limiting plate to be blocked on the surface of the fixed column.
8. According to the invention, the stability of the movement of the third moving rod can be increased by arranging the third fixed block, the third guide rod and the opening, the opening can facilitate the movement of the third moving rod, and the locking of the third moving rod is avoided.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a partial enlarged view of FIG. 1 at A provided by an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a mobile plate provided by an embodiment of the present invention;
FIG. 4 is an internal block diagram of a spacing mechanism provided in an embodiment of the present invention;
FIG. 5 is a partial enlarged view of embodiment of the present invention providing the view at B in FIG. 4;
fig. 6 is a partial enlarged view of fig. 4 at C provided by an embodiment of the present invention.
In the figure: 1. an asynchronous motor; 2. a control box; 3. a sleeve; 4. an upper clamping plate; 5. a lower clamping plate; 6. a limiting mechanism; 601. a limit box; 602. a first moving lever; 603. a pushing rod; 604. an abutting plate; 605. a second moving lever; 606. a limiting plate; 7. a connecting mechanism; 701. fixing the column; 702. a connecting block; 703. a moving plate; 704. a third moving lever; 8. a first guide bar; 9. a first fixed block; 10. a limit shell; 11. a second fixed block; 12. a second guide bar; 13. a limit groove; 14. a spring; 15. a third fixed block; 16. a third guide bar; 17. an opening.
Detailed Description
For a further understanding of the present invention, its objects, features and advantages, reference should be made to the following examples which are illustrated in the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the mining safe and stable explosion-proof three-phase asynchronous motor provided by the embodiment of the invention comprises an asynchronous motor 1 and a control box 2, wherein the control box 2 is positioned at the top of the asynchronous motor 1 and is fixedly connected with the asynchronous motor 1, the front side of the control box 2 is fixedly communicated with a sleeve 3, the top inside the sleeve 3 is provided with an upper clamping plate 4, the bottom inside the sleeve 3 is provided with a lower clamping plate 5, two sides of the sleeve 3 are fixedly connected with limiting mechanisms 6, the inside of the limiting mechanisms 6 are movably connected with connecting mechanisms 7, and one sides of the connecting mechanisms 7, which are close to the upper clamping plate 4 and the lower clamping plate 5, are respectively fixedly connected with the upper clamping plate 4 and the lower clamping plate 5.
Referring to fig. 4, the right side limiting mechanism 6 includes a limiting box 601, the left side of the limiting box 601 is fixedly connected with the surface of the sleeve 3, the right side inside the limiting box 601 is provided with a first movable rod 602, the left sides of the top and the bottom of the first movable rod 602 are fixedly connected with a moving resisting rod 603, the surface of the moving resisting rod 603 is movably connected with a moving resisting plate 604, one side, away from each other, of the moving resisting plate 604 is fixedly connected with a second movable rod 605, the surface of the second movable rod 605 is movably connected with the inner wall of the limiting box 601, one side, close to each other, of the second movable rod 605 is fixedly connected with a limiting plate 606, and one side, close to the connecting mechanism 7, of the limiting plate 606 is matched with the surface of the connecting mechanism 7.
The scheme is adopted: through setting up stop gear 6, can be through removing first movable rod 602, first movable rod 602 drives to move the pole 603 that moves, moves the pole 603 that moves and drives to move board 604 and move, moves board 604 and drives the second movable rod 605 and move, and the second movable rod 605 drives limiting plate 606 and moves to reach the fixed of fixed column 701 and spacing, make things convenient for the regulation of fixed column 701 position simultaneously, increase fixed structure's stability.
Referring to fig. 2, the connection mechanism 7 includes a fixing column 701, the fixing column 701 is located between two opposite sides of the limiting plates 606, the front side of the fixing column 701 penetrates through the limiting box 601 and extends to the front side of the limiting box 601, the front side of the fixing column 701 is fixedly connected with a connection block 702, the top and bottom of the connection block 702 are fixedly connected with a moving plate 703, the left side of the moving plate 703 is movably connected with a third moving rod 704, the left side of the top third moving rod 704 is fixedly connected with the surface of the upper clamping plate 4, and the left side of the bottom third moving rod 704 is fixedly connected with the surface of the lower clamping plate 5.
The scheme is adopted: through setting up coupling mechanism 7, can be through the surface with punch holder 4 and lower plate 5 card at the cable, through the backward movement connecting block 702, connecting block 702 drives third movable rod 704, punch holder 4 and lower plate 5 backward movement, through spacing fixed to the different positions of fixed column 701, reaches the purpose of pressing from both sides tight different diameter cables.
Referring to fig. 6, a first guide rod 8 is disposed at the left side of the inside of the first moving rod 602, the surface of the first guide rod 8 is movably connected with the inside of the first moving rod 602, a first fixing block 9 is fixedly connected to the left side of the first guide rod 8, and the rear side of the first fixing block 9 is fixedly connected to the rear side of the inner wall of the limit box 601.
The scheme is adopted: through setting up first guide arm 8 and first fixed block 9, can play limiting displacement to first movable rod 602, avoid first movable rod 602 to appear rocking, increase the stability that first movable rod 602 removed, avoid the card of structure to die.
Referring to fig. 5, a limiting shell 10 is disposed on the left side of the opposite side of the second moving rod 605, the rear side of the limiting shell 10 is fixedly connected with the rear side of the inner wall of the limiting case 601, the top and the bottom of the inner wall of the limiting shell 10 are both movably connected with a second fixing block 11, the surface of the second fixing block 11 is movably connected with the inner wall of the limiting shell 10, one side, away from each other, of the second fixing block 11 is fixedly connected with a second guide rod 12, and one side, away from the second fixing block 11, of the second guide rod 12 penetrates through the limiting shell 10 and is fixedly connected with the surface of the second moving rod 605.
The scheme is adopted: through setting up spacing shell 10, second fixed block 11 and second guide arm 12, can carry out spacingly to second movable rod 605, increase the stability that second movable rod 605 removed, second fixed block 11 avoids second guide arm 12 to appear breaking away from the inside condition emergence of spacing shell 10.
Referring to fig. 4, the surface of the fixing post 701 is provided with a plurality of limiting grooves 13 matched with the limiting plate 606, and the number of the limiting grooves 13 is equal to that of the fixing post 701.
The scheme is adopted: through setting up spacing groove 13, can effectively increase the stability of fixed column 701 of limiting plate 606, increase the flexibility that fixed column 701 was adjusted, conveniently exert different pulling forces to connecting block 702.
Referring to fig. 4, springs 14 are fixedly connected to both sides of the second moving rod 605 at a side far from each other, and one side of the springs 14 far from the second moving rod 605 is fixedly connected to the inner wall of the limit case 601.
The scheme is adopted: through setting up spring 14, can make things convenient for second movable rod 605 to reset, avoid the card of second movable rod 605 to die, make things convenient for second movable rod 605 to drive limiting plate 606 card at the surface of fixed column 701.
Referring to fig. 3, a third fixed block 15 is movably connected to the inside of the moving plate 703, the left side of the third fixed block 15 is fixedly connected to the right side of the third moving rod 704, a third guide rod 16 is movably connected to the inside of the third fixed block 15, the top and bottom of the third guide rod 16 are fixedly connected to the inner wall of the moving plate 703, and an opening 17 matched with the third moving rod 704 is formed in the left side of the moving plate 703.
The scheme is adopted: by providing the third fixing block 15, the third guide rod 16 and the opening 17, the stability of movement of the third moving rod 704 can be increased, and the opening 17 can facilitate movement of the third moving rod 704 and prevent the third moving rod 704 from being jammed.
The working principle of the invention is as follows:
when in use, a user needs to connect a cable with the control box 2, the cable is inserted into the control box 2 through the space between the upper clamping plate 4 and the lower clamping plate 5 to connect wires, after the connection is completed, the first moving rod 602 is pulled rightwards, the first moving rod 602 drives the abutting rod 603 to move rightwards, the abutting rod 603 abuts against the abutting plate 604 to be far away from each other, the abutting plate 604 drives the second moving rod 605 to be far away from each other, the second moving rod 605 presses the spring 14, the second guide rod 12 and the second fixed block 11 are driven to be far away from each other by the second moving rod 605, the stability of the second moving rod 605 is increased, the second moving rod 605 drives the limiting plates 606 to be far away from each other, when the limiting plates 606 are separated from the surface of the fixed columns 701, the fixed columns 701 are moved backwards, the connecting blocks 702 are driven to move backwards by the fixed columns 701, the moving plates 703 are driven to move backwards by the connecting blocks 702, the moving plate 703 drives the third fixed block 15 and the third guide rod 16 to move backwards, the third fixed block 15 drives the third moving rod 704 to move backwards, the third moving rod 704 drives the upper clamp plate 4 and the lower clamp plate 5 to move backwards respectively, the upper clamp plate 4 and the lower clamp plate 5 are in contact with the inner wall of the sleeve 3, the upper clamp plate 4 and the lower clamp plate 5 extrude the cable, when the upper clamp plate 4 and the lower clamp plate 5 are extruded, the third moving rod 704 is driven to move simultaneously, the third moving rod 704 drives the third fixed block 15 to slide on the surface of the third guide rod 16, when the upper clamp plate 4 and the lower clamp plate 5 are fixed to finish the cable, the first moving rod 602 is loosened, the spring 14 rebounds the second moving rod 605, the second moving rod 605 drives the limiting plate 606 to be close to each other, and the limiting plate 606 is clamped on the surface of the fixed column 701 to finish the fixation and protection of the cable.
To sum up: the mining safe and stable explosion-proof three-phase asynchronous motor is characterized in that an asynchronous motor 1, a control box 2, a sleeve 3, an upper clamping plate 4, a lower clamping plate 5, a limiting mechanism 6, a limiting box 601, a first moving rod 602, a moving rod 603, a moving plate 604, a second moving rod 605, a limiting plate 606, a connecting mechanism 7, a fixed column 701, a connecting block 702, a moving plate 703, a third moving rod 704, a first guide rod 8, a first fixed block 9, a limiting shell 10, a second fixed block 11, a second guide rod 12, a limiting groove 13, a spring 14, a third fixed block 15, a third guide rod 16 and an opening 17 are arranged in a matched mode, so that the problems that when the existing explosion-proof three-phase asynchronous motor is used, a connecting cable needs to be connected into the control box, power transmission and control are solved, abrasion and looseness are easy to occur between the cable and the control box, and the explosion-proof three-phase asynchronous motor cannot be used due to power failure are easy to cause.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The mining safe and stable flameproof three-phase asynchronous motor comprises an asynchronous motor (1) and a control box (2), and is characterized in that: the control box (2) is positioned at the top of the asynchronous motor (1) and is fixedly connected with the asynchronous motor (1), a sleeve (3) is fixedly communicated with the front side of the control box (2), an upper clamping plate (4) is arranged at the top of the inside of the sleeve (3), a lower clamping plate (5) is arranged at the bottom of the inside of the sleeve (3), limiting mechanisms (6) are fixedly connected to two sides of the sleeve (3), a connecting mechanism (7) is movably connected to the inside of the limiting mechanisms (6), and one side, close to the upper clamping plate (4) and the lower clamping plate (5), of the connecting mechanism (7) is fixedly connected with the upper clamping plate (4) and the lower clamping plate (5) respectively;
the right side stop gear (6) include stop box (601), the left side of stop box (601) and the fixed surface connection of sleeve pipe (3), the inside right side of stop box (601) is provided with first movable rod (602), the left side of first movable rod (602) top and bottom all fixedly connected with supports movable rod (603), the surface swing joint who supports movable rod (603) has supports movable plate (604), one side that supports movable plate (604) and keep away from each other is fixedly connected with second movable rod (605), the surface of second movable rod (605) and the inner wall swing joint of stop box (601), one side that second movable rod (605) are close to each other is fixedly connected with limiting plate (606), one side that limiting plate (606) is close to coupling mechanism (7) and coupling mechanism (7) surface cooperation use;
coupling mechanism (7) are including fixed column (701), fixed column (701) are located between the opposite one side of two limiting plates (606), the front side of fixed column (701) runs through spacing case (601) and extends to the front side of spacing case (601), the front side fixedly connected with connecting block (702) of fixed column (701), the equal fixedly connected with movable plate (703) in top and bottom of connecting block (702), the left side swing joint of movable plate (703) has third movable rod (704), top the left side of third movable rod (704) is connected with the surface fixed of punch holder (4), the bottom the left side of third movable rod (704) is connected with the surface fixed of lower plate (5).
2. The mining safety and stability flameproof three-phase asynchronous motor according to claim 1, wherein: the left side inside first movable rod (602) is provided with first guide arm (8), the inside swing joint of surface and first movable rod (602) of first guide arm (8), the left side fixedly connected with first fixed block (9) of first guide arm (8), the rear side of first fixed block (9) and the rear side fixed connection of limiting box (601) inner wall.
3. The mining safety and stability flameproof three-phase asynchronous motor according to claim 1, wherein: the left side of second movable rod (605) opposite side is provided with spacing shell (10), the rear side of spacing shell (10) and the rear side fixed connection of spacing case (601) inner wall, the equal swing joint of top and bottom of spacing shell (10) inner wall has second fixed block (11), the surface of second fixed block (11) and the inner wall swing joint of spacing shell (10), one side fixedly connected with second guide arm (12) that second fixed block (11) kept away from each other, one side that second guide arm (12) kept away from second fixed block (11) runs through spacing shell (10) and with the fixed surface connection of second movable rod (605).
4. The mining safety and stability flameproof three-phase asynchronous motor according to claim 1, wherein: limiting grooves (13) matched with the limiting plates (606) are formed in the surfaces of the fixing columns (701), and the number of the limiting grooves (13) is a plurality of the limiting grooves and are uniformly distributed on the surfaces of the fixing columns (701).
5. The mining safety and stability flameproof three-phase asynchronous motor according to claim 1, wherein: the two sides of the second moving rod (605) far away from each other are fixedly connected with springs (14), and one side of the springs (14) far away from the second moving rod (605) is fixedly connected with the inner wall of the limit box (601).
6. The mining safety and stability flameproof three-phase asynchronous motor according to claim 1, wherein: the inside swing joint of movable plate (703) has third fixed block (15), the left side of third fixed block (15) and the right side fixed connection of third movable rod (704), the inside swing joint of third fixed block (15) has third guide arm (16), the top and the bottom of third guide arm (16) all with the inner wall fixed connection of movable plate (703), opening (17) that use with the cooperation of third movable rod (704) have been seted up in the left side of movable plate (703).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653772.1A CN114337065B (en) | 2021-12-30 | 2021-12-30 | Mining safe and stable explosion-proof three-phase asynchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111653772.1A CN114337065B (en) | 2021-12-30 | 2021-12-30 | Mining safe and stable explosion-proof three-phase asynchronous motor |
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| CN114337065A CN114337065A (en) | 2022-04-12 |
| CN114337065B true CN114337065B (en) | 2023-09-08 |
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| CN117081308B (en) * | 2023-08-16 | 2024-11-26 | 江苏月亮电机有限公司 | An explosion-proof motor |
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| CN214506469U (en) * | 2021-05-10 | 2021-10-26 | 刘磊 | Colliery is safety antiskid cable clamp plate structure for coal-winning machine in pit |
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2021
- 2021-12-30 CN CN202111653772.1A patent/CN114337065B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005110459A (en) * | 2003-10-01 | 2005-04-21 | Nissei Corp | Motor terminal box |
| CN209233638U (en) * | 2019-01-26 | 2019-08-09 | 史扬帆 | A kind of connection box for motor for facilitating route to install |
| CN211046648U (en) * | 2019-12-26 | 2020-07-17 | 马建设 | An improved explosion-proof junction box outlet structure |
| CN212572427U (en) * | 2020-06-19 | 2021-02-19 | 浙江浦东矿用设备有限公司 | Explosion-proof vacuum electromagnetic starter for coal mine fan |
| CN214176778U (en) * | 2021-02-05 | 2021-09-10 | 国网山西省电力公司运城供电公司 | Cable protective sheath subassembly for electric power |
| CN214506469U (en) * | 2021-05-10 | 2021-10-26 | 刘磊 | Colliery is safety antiskid cable clamp plate structure for coal-winning machine in pit |
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| CN114337065A (en) | 2022-04-12 |
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