CN212115002U

CN212115002U - Underwater sealing motor for running water power generation

Info

Publication number: CN212115002U
Application number: CN202020849911.2U
Authority: CN
Inventors: 涂国斌; 喻林; 喻立号; 喻晓号
Original assignee: Jiangxi Industrial Innovation Technology Co ltd
Current assignee: Jiangxi Industrial Innovation Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-08
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a hydroelectric generation is with sealed motor under water, which comprises a housing, install front end housing and rear end cap through the bolt on the outer wall of casing both ends respectively, and front end housing one side outer wall sets up the second recess that the equidistance is the annular structure and distributes with casing contact department, casing one side outer wall sets up the first recess that the equidistance is the annular structure and distributes with front end housing contact department, and first sealing washer and second sealing washer have been placed respectively to first recess inside and second recess, casing one side outer wall sets up the mounting groove that the equidistance is the annular structure and distributes with rear end cap contact department. The utility model discloses a first sealing washer and second sealing washer and the sealed pad that sets up can guarantee the leakproofness of front end housing and rear end cap and casing, simultaneously through skeleton oil blanket and rubber pad and felt, can carry out multiple sealing to countershaft and front end housing, rear end cap junction to strengthen this sealing performance of sealing motor under water.

Description

Underwater sealing motor for running water power generation

Technical Field

The utility model relates to a flowing water electricity generation technical field especially relates to a sealing motor under flowing water electricity generation water.

Background

Since the century, the consumption of human beings to conventional energy is rapidly increased, and the conventional mineral energy releases a large amount of harmful substances such as smoke dust and the like to cause serious environmental pollution, so that the development and utilization of clean and environment-friendly renewable energy sources are urgently needed, and the water flow energy is one of better environment-friendly renewable clean energy sources.

At present, current running water power generation facility based on rivers can be developed need be at the operation under water, therefore the motor needs waterproof dustproof, accomplishes comprehensive sealed very key, but current traditional motor leakproofness is relatively poor, can't satisfy this demand, consequently, need to design a running water is underwater sealing motor for electricity generation and solves above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of poor sealing performance of the traditional motor in the prior art and providing a water-sealed motor for running water power generation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an underwater sealing motor for running water power generation comprises a shell, wherein the outer walls of two ends of the shell are respectively provided with a front end cover and a rear end cover through bolts, and the contact part of the outer wall at one side of the front end cover and the shell is provided with second grooves which are distributed in an annular structure at equal intervals, the contact part of the outer wall of one side of the shell and the front end cover is provided with first grooves which are distributed in an annular structure at equal intervals, and a first sealing ring and a second sealing ring are respectively arranged in the first groove and the second groove, the contact part of the outer wall of one side of the shell and the rear end cover is provided with mounting grooves which are distributed in an annular structure at equal intervals, a sealing gasket is arranged in the mounting groove, a stator is arranged in the casing through a screw, a rotating shaft positioned in the stator is inserted in the casing, and the external key-type connection of pivot has the rotor that is located the stator inside, pivot side outer wall is close to the front end housing and all rotates with the side outer wall and is close to rear end cap department and be connected with the bearing.

Further, the bearing outer cover is connected to the outer wall of the side, opposite to the rear end cover, of the front end cover in a clamped mode, two framework oil seals distributed in a horizontal structure are connected to the outer wall of one side of the bearing outer cover in a rotating mode, the framework oil seals are connected to the outer wall of the outer side of the rotating shaft in a sleeved mode, and the rubber pad is placed in a groove of the outer wall of one side of the bearing outer cover.

Further, a bearing inner cover is installed on the outer wall of one side of the bearing outer cover through bolts, the bearing is located between the bearing outer cover and the bearing inner cover, the rubber pad is located between the bearing and the bearing outer cover, a felt ring is embedded into the bearing inner cover, and the felt ring is sleeved outside the rotating shaft.

Furthermore, a wiring cover is installed on the outer wall of one side, far away from the shell, of the rear end cover through bolts, a sealing groove which is distributed in an annular structure at equal intervals is formed in the joint of the outer wall of one side of the wiring cover and the rear end cover, and a rubber gasket is placed inside the sealing groove.

Furthermore, the welding has two to be the threading pipe that upper and lower structure distributes on the outer wall of wiring lid one side, and the inside sealing ring that has two to be the horizontal structure and distributes that inserts of threading pipe.

Furthermore, a gland is installed at one end, far away from the wiring cover, of the threading pipe through a bolt, and a rubber ring is embedded in the gland.

The utility model has the advantages that:

1. through the first sealing ring, the second sealing ring and the sealing gasket, when the motor is placed under water, the first sealing ring, the second sealing ring and the sealing gasket can guarantee the sealing performance of the front end cover, the rear end cover and the shell, and water flow is prevented from entering the shell to enable the motor to be in short circuit.

2. Through the arranged framework oil seal, the rubber pad and the felt ring, the joints of the rotating shaft and the front end cover and the rear end cover can be sealed in multiple ways, so that the sealing performance of the underwater sealing motor is enhanced, water is prevented from entering the shell to corrode parts inside the shell, and the service life of the motor is prolonged.

3. Through the sealing ring and the rubber ring which are arranged, the sealing performance of the cable and the motor can be enhanced, water flow is prevented from entering the wiring cover, the short circuit of an electronic element inside the wiring cover is facilitated, and the sealing performance of the underwater motor is improved.

Drawings

Fig. 1 is a front sectional view of the structure of an underwater sealing motor for running water power generation provided by the utility model.

In the figure: the sealing structure comprises a machine shell 1, a first groove 2, a second groove 3, a first sealing ring 4, a second sealing ring 5, a front end cover 6, a bearing outer cover 7, a framework oil seal 8, a rotating shaft 9, a bearing 10, a felt ring 11, a rubber pad 12, a bearing inner cover 13, a bearing mounting groove 14, a sealing pad 15, a rear end cover 16, a wiring cover 17, a threading pipe 18, a sealing ring 19, a sealing groove 20, a rubber ring 21, a gland 22, a stator 23, a rubber gasket 24 and a rotor 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an underwater sealing motor for hydroelectric power generation comprises a casing 1, wherein a front end cover 6 and a rear end cover 16 are respectively installed on outer walls of two ends of the casing 1 through bolts, the front end cover 6 and the casing 1 form double sealing through a first sealing ring 4 and a second sealing ring 5 which are installed inside a first groove 2 and a second groove 3, the rear end cover 16 is enhanced in sealing performance with the casing 1 through a sealing gasket 15 which is installed inside a mounting groove 14, the second grooves 3 which are distributed in an annular structure at equal intervals are formed at the contact position of the outer wall of one side of the front end cover 6 and the casing 1 and are used for installing the second sealing rings 5, the first grooves 2 which are distributed in an annular structure at equal intervals are formed at the contact position of the outer wall of one side of the casing 1 and the front end cover 6 and are used for installing the first sealing rings 4, and the first sealing rings 4 and the second sealing rings 5 are respectively, be used for strengthening the leakproofness between front end housing 6 and the casing 1, casing 1 one side outer wall sets up the mounting groove 14 that the equidistance is the annular structure and distributes with rear end housing 16 department of contact, and the inside sealed pad 15 of having placed of mounting groove 14 for strengthen the leakproofness between rear end housing 16 and the casing 1, stator 23 has been installed through the screw to casing 1 is inside, 1 inside pegs graft of casing has the pivot 9 that is located stator 23 inside, and 9 external keys in pivot are connected with the rotor 25 that is located stator inside, 9 the side outer wall is close to front end housing 6 and the side outer wall is close to rear end housing 16 department and all rotates and be connected with bearing 10.

Further, equal joint has bearing enclosing cover 7 on the relative one side outer wall of front end housing 6 and rear end housing 16, be used for sealing bearing 10 and pivot 9 junction together with bearing inner cup 13, and rotate on the outer wall of bearing enclosing cover 7 one side and be connected with two skeleton oil blanket 8 that are the horizontal structure and distribute, be used for strengthening pivot 9 and front end housing 6, leakproofness between the rear end housing 16, skeleton oil blanket 8 cup joints in pivot 9 outsidely, rubber pad 12 has been placed to bearing enclosing cover 7 one side outer wall groove, be used for strengthening the leakproofness between bearing 10 and the bearing enclosing cover 7.

Further, install bearing inner cover 13 through the bolt on the outer wall of bearing enclosing cover 7 one side for seal bearing 10 and pivot 9 junction together with bearing outer cover 7, bearing 10 is located between bearing outer cover 7 and the bearing inner cover 13, and rubber pad 12 is located between bearing 10 and the bearing outer cover 7, and the inside embedding of bearing inner cover 13 has felt 11, is used for improving the leakproofness between bearing inner cover 13 and the pivot 9, and felt 11 cup joints in pivot 9 outside.

Furthermore, a wiring cover 17 is mounted on the outer wall of one side of the rear end cover 16, which is far away from the machine shell 1, through bolts for mounting electronic elements required by the motor, a sealing groove 20 which is distributed in an annular structure at equal intervals is formed in the joint of the outer wall of one side of the wiring cover 17 and the rear end cover 16 and used for placing a rubber gasket 24, and the rubber gasket 24 is placed inside the sealing groove 20 and used for enhancing the sealing performance between the wiring cover 17 and the rear end cover 16.

Further, the welding has two threading pipes 18 that are structural distribution about being on the outer wall of wiring lid 17 one side for to installing and carrying out spacing centre gripping at the inside cable of wiring lid 17, and threading pipe 18 is inside to be inserted has two sealing rings 19 that are the horizontal structure and distribute, is used for strengthening the leakproofness between cable 23 and the threading pipe 18, and the inside grafting of sealing ring 19 has the cable that extends to wiring lid 17.

Furthermore, a gland 22 is installed at one end, far away from the wiring cover 17, of the wiring pipe 18 through a bolt and used for installing a cable 23 and enhancing the sealing performance between the cable 23 and the wiring pipe 18, and a rubber ring 21 is embedded in the gland 22 and used for enhancing the sealing performance between the cable 23 and the gland 22.

The working principle is as follows: when the motor casing 1 and the front end cover 6 are used, double sealing is formed by the first sealing ring 4 and the second sealing ring 5 which are arranged in the first groove 2 and the second groove 3, so that water is prevented from entering the casing 1 through a gap between the front end cover 6 and the casing 1 when the motor casing 1 and the front end cover 6 work underwater, meanwhile, when the rear end cover 16 is arranged, the motor casing 1 and the rear end cover 16 are in sealing connection through the sealing gasket 15 arranged in the mounting groove 14, and water is prevented from entering the casing 1 through the gap between the rear end cover 16 and the casing 1; meanwhile, the wiring cover 17 and the rear end cover 16 form sealing connection through a rubber gasket 24 arranged in the sealing groove 20, so that the sealing performance between the wiring cover 17 and the rear end cover 16 is enhanced; moreover, multiple sealing can be formed by two sealing rings 19 arranged in the threading pipe 18 and a rubber ring 21 arranged in the gland 22, so that the phenomenon that water enters the wiring cover 17 through the threading pipe 18 to influence the work of electronic elements in the wiring cover 17 is avoided; and the framework oil seal 8, the felt 11 and the rubber pad 12 which are positioned inside the bearing outer cover 7 are arranged at the position of the rotating shaft 9, so that the rotating shaft 9 can be sealed with the front end cover 6 and the rear end cover 16 in multiple ways, and the sealing performance of the motor is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The underwater sealing motor for the flow power generation comprises a machine shell (1) and is characterized in that a front end cover (6) and a rear end cover (16) are respectively installed on the outer walls of the two ends of the machine shell (1) through bolts, second grooves (3) which are distributed in an annular structure at equal intervals are formed in the contact positions of the outer wall of one side of the front end cover (6) and the machine shell (1), first grooves (2) which are distributed in an annular structure at equal intervals are formed in the contact positions of the outer wall of one side of the machine shell (1) and the front end cover (6), first sealing rings (4) and second sealing rings (5) are respectively placed in the first grooves (2) and the second grooves (3), mounting grooves (14) which are distributed in an annular structure at equal intervals are formed in the contact positions of the outer wall of one side of the machine shell (1) and the rear end cover (16), sealing gaskets (15) are placed in the mounting grooves (14, the motor is characterized in that a rotating shaft (9) located inside a stator (23) is inserted inside the shell (1), the rotating shaft (9) is connected with a rotor (25) located inside the stator in an external key mode, and a bearing (10) is rotationally connected to the positions, close to the front end cover (6), of the side outer wall of the rotating shaft (9) and the positions, close to the rear end cover (16), of the side outer wall of the rotating shaft (9).

2. The underwater sealing motor for the running water power generation of claim 1, wherein the outer wall of the front end cover (6) opposite to the rear end cover (16) is respectively connected with a bearing outer cover (7), two framework oil seals (8) distributed in a horizontal structure are rotatably connected to the outer wall of one side of the bearing outer cover (7), the framework oil seals (8) are sleeved outside the rotating shaft (9), and a rubber pad (12) is placed in a groove of the outer wall of one side of the bearing outer cover (7).

3. The underwater sealed motor for the running water power generation of claim 2, wherein a bearing inner cover (13) is installed on the outer wall of one side of the bearing outer cover (7) through a bolt, the bearing (10) is located between the bearing outer cover (7) and the bearing inner cover (13), a rubber gasket (12) is located between the bearing (10) and the bearing outer cover (7), a felt ring (11) is embedded in the bearing inner cover (13), and the felt ring (11) is sleeved outside the rotating shaft (9).

4. The underwater sealing motor for the flowing water power generation as claimed in claim 1, wherein a wiring cover (17) is installed on the outer wall of one side of the rear end cover (16) far away from the casing (1) through bolts, a sealing groove (20) distributed in an annular structure at equal intervals is formed at the joint of the outer wall of one side of the wiring cover (17) and the rear end cover (16), and a rubber gasket (24) is placed inside the sealing groove (20).

5. The underwater sealing motor for running water power generation according to claim 4, wherein two threading pipes (18) are welded on the outer wall of one side of the wiring cover (17) and are distributed in an up-down structure, and two sealing rings (19) are inserted into the threading pipes (18) and are distributed in a horizontal structure.

6. The underwater sealed motor for running water power generation according to claim 5, wherein a gland (22) is installed on one end of the threading pipe (18) far away from the wiring cover (17) through bolts, and a rubber ring (21) is embedded in the gland (22).