Sealing device for hydraulic test of explosion-proof motor base

Abstract

The utility model discloses a hydraulic test sealing device for an explosion-proof motor base, which comprises a motor base, a front cover is mounted at the front end of the motor base, a first sealing mechanism is arranged at the top of the motor base, and the first sealing mechanism can be used for sealing a wire box of an explosion-proof motor in a hydraulic test; the front end of the motor base is provided with a second sealing mechanism, and the second sealing mechanism can seal the front end of the explosion-proof motor base, and relates to the technical field of explosion-proof motors. The sealing mechanism is arranged on a motor wire box at the top of the explosion-proof motor base, and a sealing cover and a rubber plate edge are connected to the outer side of the motor wire box in a sealing manner to seal and prevent water at the top of the motor wire box; and the rubber plate edge is clamped on the side wall and the bottom of the machine wire box, so that the sealing cover and the rubber plate edge are stably connected, the sealing effect on the machine wire box is better, and the installation is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of explosion-proof motors, in particular to a water pressure test sealing device for an explosion-proof motor base. Background Art

[0002] Explosion-proof motors are used as power sources to drive compressors, conveyors, tunnel boring machines, water pumps, fans, and other places where explosive gas or dust mixtures exist. The explosion-proof housing is a major component of the motor, and its explosion-proof performance directly affects the safety of the equipment. The housing of an explosion-proof motor is generally made of castings or welded steel plates to form an independent explosion-proof cavity. After a motor housing is manufactured, necessary testing methods must be used to determine whether its explosion-proof performance meets the design and standard requirements. Explosion-proof motor manufacturers generally use hydraulic presses for overpressure tests. During the hydraulic pressure test at the terminal box position of the base, the water channel sealing structure is connected by multiple bolts to press the hydraulic device, which is relatively troublesome to assemble and disassemble.

[0003] Therefore, it is necessary to propose a water pressure test sealing device for explosion-proof motor base. Utility Model Content

[0004] The purpose of the utility model is to provide a water pressure test sealing device for an explosion-proof motor base, so as to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The explosion-proof motor base water pressure test sealing device comprises a motor base, a front cover is installed at the front end of the motor base,

[0007] A first sealing mechanism is provided on the top of the motor base, which can seal the terminal box of the explosion-proof motor during a water pressure test;

[0008] A second sealing mechanism is provided at the front end of the motor base, and the second sealing mechanism can seal the front end of the explosion-proof motor base;

[0009] The first sealing mechanism includes a machine wire box, a sealing cover and a base. The base is installed on the top of the motor base, the machine wire box is installed on the top of the base, and the sealing cover is sealingly clamped on the top of the machine wire box.

[0010] Preferably, a first slot and a second slot are respectively provided on the top of the wire box, and a card plate, a first plug plate and a second plug plate are respectively installed on the inner side of the sealing cover. The card plate is inserted into the upper end of the wire box, the first plug plate is inserted into the first slot, and the second plug plate is inserted into the second slot.

[0011] Preferably, a third slot is provided on the top of the base, a rubber plate edge is installed on the bottom of the sealing cover, a groove is provided on the inner wall of the rubber plate edge, and inserts are provided at both ends of the rubber plate edge, and the inserts are inserted into the third slot.

[0012] Preferably, both inner walls of the machine box are provided with card slots, the inner wall of the rubber plate edge is installed with a card block, the card block fits into the card slot, and the side wall of the rubber plate edge is installed with a handle for pulling the rubber plate edge.

[0013] Preferably, the second sealing mechanism includes a socket, a fourth slot and a rubber insert ring. The socket is installed inside the motor base, the inner wall of the socket is provided with a fourth slot, the rubber insert ring is installed on the inner side of the front cover, and the rubber insert ring is inserted into the fourth slot.

[0014] Preferably, a gasket is inserted into the outer side of the rubber insert ring, a connecting ring is installed on the outer wall of the front end of the motor base, and the front cover is tightly attached to the connecting ring through the gasket and fixed by mounting bolts.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0016] Beneficial effects:

[0017] By setting a sealing mechanism on the junction box on the top of the explosion-proof motor base, the sealing cover and the rubber plate edge are sealed and connected to the outside of the junction box to seal and waterproof the top of the junction box. The rubber plate edge is then clamped on the side wall and bottom of the junction box, and the sealing cover and the rubber plate edge are stably connected, which has a better sealing effect on the junction box and is more convenient to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the water pressure test sealing device for explosion-proof motor base Figure 1 ;

[0019] Figure 2 Schematic diagram of the water pressure test sealing device for explosion-proof motor base Figure 2 ;

[0020] Figure 3 The internal structure of the sealing cover in the water pressure test sealing device of the explosion-proof motor base Figure 1 ;

[0021] Figure 4 The internal structure of the sealing cover in the water pressure test sealing device of the explosion-proof motor base Figure 2 ;

[0022] Figure 5 This is a schematic diagram of the front cover in the water pressure test sealing device of the explosion-proof motor base.

[0023] In the figure: 1. Motor base; 11. Front cover; 2. First sealing mechanism; 21. Machine box; 211. Card plate; 22. Sealing cover; 23. Rubber plate edge; 231. Groove; 232. Insert; 233. Handle; 24. First slot; 241. First plug-in board; 25. Second slot; 251. Second plug-in board; 26. Base; 261. Third slot; 27. Card block; 271. Card slot; 3. Second sealing mechanism; 31. Socket; 32. Fourth slot; 33. Connecting ring; 34. Gasket; 35. Rubber plug-in ring. DETAILED DESCRIPTION

[0024] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0025] like Figure 1-Figure 5 ;

[0026] The explosion-proof motor base water pressure test sealing device includes a motor base 1, the motor base 1 is an explosion-proof motor base, and a front cover 11 is installed at the front end of the motor base 1, and the front cover 11 is used to seal the front end of the motor base 1;

[0027] A first sealing mechanism 2 is provided on the top of the motor base 1, and the first sealing mechanism 2 can seal the machine box of the explosion-proof motor during the hydrostatic test; a second sealing mechanism 3 is provided at the front end of the motor base 1, and the second sealing mechanism 3 can seal the front end of the explosion-proof motor base;

[0028] The first sealing mechanism 2 includes a machine wire box 21, a sealing cover 22 and a base 26. The base 26 is mounted on the top of the motor base 1 and is used to limit the rubber plate edge 23. The machine wire box 21 is mounted on the top of the base 26. The machine wire box 21 is a wire box for explosion-proof motors. The wires in the machine wire box 21 can be led out through the sealing holes on the base 26. After the machine wires are led out, the outer wall of the machine wire and the base 26 are completely sealed. The sealing cover 22 is sealed and clamped on the top of the machine wire box 21. The sealing cover 22 is used to seal the top of the machine wire box 21 for a water pressure test.

[0029] Furthermore, a first slot 24 and a second slot 25 are respectively defined on the top of the cable box 21. A card plate 211, a first plug plate 241, and a second plug plate 251 are respectively installed on the inner side of the sealing cover 22. The card plate 211 is snapped into the upper end of the cable box 21, the first plug plate 241 fits into the first slot 24, and the second plug plate 251 fits into the second slot 25, so that the sealing cover 22 is sealed and mounted on the top of the cable box 21. The first plug plate 241 and the second plug plate 251 seal and waterproof the top of the cable box 21.

[0030] Furthermore, a third slot 261 is provided at the top of the base 26. The third slot 261 is used to fit the inserting strip 232 and limit the position of the rubber plate edge 23. The rubber plate edge 23 is installed at the bottom of the sealing cover 22. Due to its elasticity, the bottom of the rubber plate edge 23 can be slightly pulled to both sides. At the same time, a groove 231 is provided on the inner wall of the rubber plate edge 23, which makes it easier to pull the rubber plate edge 23 so that the card block 27 can be easily inserted into the card slot 271 and pulled out. The inner wall of the rubber plate edge 23 is provided with a groove 231. Both ends of the rubber plate edge 23 are provided with inserting strips 232. The inserting strips 232 are inserted into the third slot 261 to limit the position of the rubber plate edge 23.

[0031] Furthermore, slots 271 are formed on both inner walls of the cable box 21. The slots 271 are used to engage the clamping blocks 27. The clamping blocks 27 are mounted on the inner walls of the rubber plate edge 23. The clamping blocks 27 fit into the slots 271 to stably connect the rubber plate edge 23 to the cable box 21 and the sealing cover 22 to the top of the cable box 21. The side walls of the rubber plate edge 23 are mounted with handles 233 for pulling the rubber plate edge 23.

[0032] Furthermore, the second sealing mechanism 3 includes a socket 31, a fourth slot 32 and a rubber plug ring 35. The socket 31 is installed inside the motor base 1. The socket 31 is used to plug in the rubber plug ring 35. A fourth slot 32 is provided on the inner wall of the socket 31. The rubber plug ring 35 is installed on the inner side of the front cover 11. The rubber plug ring 35 is inserted into the fourth slot 32 to seal the front cover 11. A gasket 34 is inserted into the outer side of the rubber plug ring 35 to increase the sealing performance of the rubber plug ring 35. A connecting ring 33 is installed on the outer wall of the front end of the motor base 1. The front cover 11 is tightly attached to the connecting ring 33 through the gasket 34 and is fixed by mounting bolts, so that the front cover 11 is sealed and connected to the front end of the motor base 1.

[0033] The working principle of the present invention is as follows: the sealing cover 22 and the rubber plate edge 23 are inserted from the top of the machine line box 21, so that the card plate 211 is stuck in the upper end of the machine line box 21, the first plug plate 241 is inserted into the first slot 24, and the second plug plate 251 is inserted into the second slot 25, so that the sealing cover 22 and the top of the machine line box 21 are sealed and waterproof, and then the bottom of the rubber plate edge 23 is pulled by the handle 233 to make the card block 27 fit into the card slot 271, which is used to put the rubber plate The edge 23 is stably connected to the machine box 21, and the sealing cover 22 is stably connected to the top of the machine box 21. Finally, the insert strip 232 is inserted into the third slot 261 to limit the rubber plate edge 23. The rubber plug ring 35 is inserted into the fourth slot 32 to seal the front cover 11. The sealing performance of the rubber plug ring 35 is increased by the gasket 34. The front cover 11 is tightly attached to the connecting ring 33 through the gasket 34 and is fixed by the installation bolts, so that the front cover 11 is sealed and connected to the front end of the motor base 1.

[0034] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. An explosion-proof motor base water pressure test sealing device, comprising a motor base (1), a front cover (11) being installed at the front end of the motor base (1), characterized in that: A first sealing mechanism (2) is provided on the top of the motor base (1), and the first sealing mechanism (2) is capable of sealing the wire box of the explosion-proof motor during a water pressure test; A second sealing mechanism (3) is provided at the front end of the motor base (1), and the second sealing mechanism (3) is capable of sealing the front end of the explosion-proof motor base; The first sealing mechanism (2) comprises a wire box (21), a sealing cover (22) and a base (26); the base (26) is mounted on the top of the motor base (1); the wire box (21) is mounted on the top of the base (26); and the sealing cover (22) is sealed and clamped on the top of the wire box (21).

2. The explosion-proof motor base water pressure test sealing device according to claim 1, characterized in that: The top of the line box (21) is provided with a first slot (24) and a second slot (25), and the inner side of the sealing cover (22) is provided with a card plate (211), a first plug plate (241) and a second plug plate (251), respectively. The card plate (211) is inserted into the upper end of the line box (21), the first plug plate (241) is inserted into the first slot (24), and the second plug plate (251) is inserted into the second slot (25).

3. The explosion-proof motor base water pressure test sealing device according to claim 1, characterized in that: A third slot (261) is provided on the top of the base (26), a rubber plate edge (23) is installed on the bottom of the sealing cover (22), a groove (231) is provided on the inner wall of the rubber plate edge (23), and inserting strips (232) are provided at both ends of the rubber plate edge (23), and the inserting strips (232) are inserted into the third slot (261).

4. The explosion-proof motor base water pressure test sealing device according to claim 3, characterized in that: The inner walls of both sides of the wire box (21) are provided with card slots (271), the inner wall of the rubber plate edge (23) is provided with a card block (27), the card block (27) fits into the card slot (271), and the side wall of the rubber plate edge (23) is provided with a handle (233) for pulling the rubber plate edge (23).

5. The explosion-proof motor base water pressure test sealing device according to claim 1, characterized in that: The second sealing mechanism (3) comprises a socket (31), a fourth slot (32) and a rubber insert ring (35); the socket (31) is installed inside the motor base (1); the fourth slot (32) is provided on the inner wall of the socket (31); the rubber insert ring (35) is installed on the inner side of the front cover (11); and the rubber insert ring (35) is inserted into the fourth slot (32).

6. The explosion-proof motor base water pressure test sealing device according to claim 5, characterized in that: A gasket (34) is inserted into the outer side of the rubber insert ring (35), a connecting ring (33) is installed on the outer wall of the front end of the motor base (1), and the front cover (11) is tightly attached to the connecting ring (33) through the gasket (34) and fixed by mounting bolts.

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