CN218717665U - Thrust structure of submersible motor - Google Patents

Abstract

The application provides a dive motor thrust structure includes: protection machanism and thrust mechanism, one side of footstep bearing and protection machanism contact each other, the opposite side of footstep bearing is equipped with spacing bearing, spacing bearing installs the lateral wall at footstep bearing, footstep bearing includes first connecting ring and second go-between, the table wall of first connecting ring is seted up flutedly, one side that first connecting ring was kept away from to the second go-between is equipped with the snap ring, the spacing groove has been seted up to one side that protection machanism is close to footstep bearing, when footstep bearing and protection machanism contact each other, snap ring sliding connection is in the inside of spacing groove, relate to immersible pump technical field, wherein, spacing bearing passes through spacing ring and the inside recess mutual joint of footstep bearing, can make spacing bearing be connected closely with footstep bearing, when rotatory each other, the problem of deviation can not appear.

Description

Thrust structure of submersible motor

Technical Field

The utility model relates to a immersible pump technical field especially relates to a submersible motor thrust structure.

Background

The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, underground water is extracted to the ground surface, and the machine is used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, and can also be used for fountain landscape.

When the motor in the submersible pump is driven, because the motor has certain thrust, a thrust bearing is needed, the thrust bearing is generally composed of two thrust washers or more thrust washers and a plurality of rolling bodies, the thrust washers are generally divided into a shaft sheet and a seat sheet, and the rolling bodies are generally combined into a whole by iron or copper retainers in the most common mode. This type of bearing is most commonly a steel ball type thrust bearing.

However, the device has the following problems in the use process:

the thrust bearing inside the existing submersible motor is directly clamped inside the shell when being installed, the thrust bearing is not provided with a limiting and stabilizing mechanism, and the problem that the thrust bearing is loosened possibly occurs after a period of time.

SUMMERY OF THE UTILITY MODEL

In order to overcome current footstep bearing and probably lead to appearing not hard up problem because the effort, the embodiment of this application provides a dive motor thrust structure, be equipped with spacing bearing in one side of footstep bearing, and one side that spacing bearing is close to footstep bearing is equipped with spacing ring, one side that the footstep bearing is close to spacing ring is equipped with the recess, spacing bearing passes through spacing ring and the mutual joint of the inside recess of footstep bearing like this, can be so that spacing bearing is connected closely with footstep bearing, when rotatory each other, the problem of deviation can not appear.

The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows:

a submersible motor thrust structure comprising: the protection mechanism is used for protection; the anti-thrust mechanism is arranged inside the protection mechanism and used for performing anti-thrust limit on the motor shaft;

wherein, thrust bearing mechanism includes footstep bearing and spacing bearing, footstep bearing one side with protection machanism contacts each other, footstep bearing's opposite side is equipped with spacing bearing, spacing bearing is installed at footstep bearing's lateral wall, footstep bearing includes first go-between and second go-between, the inboard of first go-between and second go-between is equipped with the extension board, the table wall of first go-between is seted up flutedly, one side that first go-between was kept away from to the second go-between is equipped with the snap ring, protection machanism has seted up the spacing groove near one side of footstep bearing with during protection machanism contacts each other, snap ring sliding connection is in the inside of spacing groove.

Preferably, limit bearing and footstep bearing are the loop configuration, limit bearing is in same position department with the centre of a circle of footstep bearing, limit bearing includes the spacing ring, the lateral wall of spacing ring is equipped with spacing ring, and the mounted position of spacing ring is close to one side of footstep bearing, one side that spacing ring was kept away from to the spacing ring is equipped with solid fixed ring, and one side that limit bearing is close to footstep bearing is equipped with spacing ring, and one side that footstep bearing is close to spacing ring is equipped with the recess, and limit bearing passes through the mutual joint of spacing ring and the inside recess of footstep bearing like this, can make limit bearing and footstep bearing be connected closely, when the rotation each other, the problem of deviation can not appear.

Preferably, protection machanism includes the shell, the main shaft has been run through to the inside of shell, the one end that footstep bearing was just kept away from to shell and main shaft crossing department is equipped with journal bearing, and through journal bearing's setting, can make the main shaft keep away from one side of footstep bearing and carry on spacingly, spacing bearing is connected for connecing soon with the connected mode of main shaft, the shell is hollow structure, one side that the shell is close to journal bearing is equipped with the end cover.

The embodiment of the application has the advantages that:

1. the utility model discloses in be equipped with spacing bearing in one side of footstep bearing, and one side that spacing bearing is close to footstep bearing is equipped with spacing ring, and one side that footstep bearing is close to spacing ring is equipped with the recess, and spacing bearing passes through spacing ring and the inside mutual joint of recess of footstep bearing like this, can be so that spacing bearing is connected closely with footstep bearing, when the rotation each other, the problem of deviation can not appear.

2. The utility model discloses in be equipped with the snap ring in the table side of second go-between, seted up the spacing groove in one side that the shell is close to the snap ring, footstep bearing passes through the snap ring and is connected with the inside spacing groove of shell, makes footstep bearing and shell be connected closely under the effect through the snap ring.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the thrust structure of the submersible motor of the present invention;

FIG. 2 is a schematic view of the thrust bearing of the present invention;

FIG. 3 is a schematic view of the thrust bearing of the present invention;

fig. 4 is a schematic view of the overall structure of the back of the second connection ring according to the present invention;

fig. 5 is the overall structure schematic diagram of the limiting bearing of the present invention.

Description of the main reference numerals:

1. a housing; 2. a main shaft; 3. a thrust bearing; 31. a first connecting ring; 32. a groove; 33. a support plate; 34. a second connection ring; 35. a ball bearing; 36. a snap ring; 4. a limit bearing; 41. a limiting ring; 42. a limiting ring; 43. a fixing ring; 5. a radial bearing; 6. a limiting groove.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention. In addition, for the convenience of description, the following references to "upper", "lower", "left" and "right" are to be construed as referring to the upper, lower, left, right, etc. direction of the attached drawings, and the following references to "first", "second", etc. are to be distinguished for descriptive purposes and not for other specific meanings.

In order to solve the above problems, the technical solution in the embodiment of the present application has the following general idea:

example 1:

the present embodiment provides a specific structure of a thrust structure of a submersible motor, as shown in fig. 1 to 5, including: the protection mechanism is used for protection; the anti-thrust mechanism is arranged inside the protection mechanism and used for performing anti-thrust limit on the motor shaft;

wherein, thrust mechanism includes footstep bearing 3 and spacing bearing 4, the lateral wall at footstep bearing 3 is installed to spacing bearing 4, footstep bearing 3 includes first go-between 31 and second go-between 34, the spout has all been seted up to first go-between 31 and second go-between 34 inboard near extension board 33, ball 35 can be rotatory in the inside of spout like this, the inboard of first go-between 31 and second go-between 34 is equipped with extension board 33, a plurality of hole has been seted up to extension board 33's inside, ball 35 has all been inlayed to the inside in a plurality of hole, recess 32 has been seted up to the table wall of first go-between 31, one side that first go-between 31 was kept away from to second go-between 34 is equipped with snap ring 36.

Spacing bearing 4 is the loop configuration with footstep bearing 3, spacing bearing 4 is in same position department with the centre of a circle of footstep bearing 3, spacing bearing 4 includes spacing ring 41, the lateral wall of spacing ring 41 is equipped with spacing ring 42, and the mounted position of spacing ring 42 is close to one side of footstep bearing 3, one side that spacing ring 42 was kept away from to spacing ring 41 is equipped with solid fixed ring 43, one side that spacing bearing 4 is close to footstep bearing 3 is equipped with spacing ring 42, one side that footstep bearing 3 is close to spacing ring 42 is equipped with recess 32, spacing bearing 4 is through spacing ring 42 and the inside recess 32 mutual joint of footstep bearing 3 like this, can be so that spacing bearing 4 is connected closely with footstep bearing 3, when rotatory each other, the problem of deviation can not appear.

By adopting the technical scheme:

the thrust bearing 3 is connected with the limiting groove 6 in the shell 1 through the clamping ring 36, and the thrust bearing 3 cannot be loosened with the shell 1 under the action of the clamping ring 36.

Example 2:

the embodiment provides a concrete structure of submersible motor thrust structure, as shown in fig. 1-5, this embodiment describes that protection mechanism includes shell 1, main shaft 2 has run through to the inside of shell 1, the crossing department of shell 1 and main shaft 2 and the one end of keeping away from footstep bearing 3 are equipped with journal bearing 5, through journal bearing 5's setting, can make main shaft 2 keep away from the one side of footstep bearing 3 and carry on spacingly, the connected mode of spacing bearing 4 and main shaft 2 is for connecing soon and being connected, shell 1 is hollow structure, one side that shell 1 is close to journal bearing 5 is equipped with the end cover.

By adopting the technical scheme:

offset horizontal radial force under footstep bearing 3's effect, simultaneously through journal bearing 5's setting, can make main shaft 2 keep away from footstep bearing 3's one end spacing, can make 2 rotatory more stable of main shaft, the problem of deviation can not appear.

The working principle is as follows: main shaft 2 is when rotatory, the inside of footstep bearing 3 is transmitted to its self effort that produces, offset horizontal radial force under footstep bearing 3's effect, simultaneously through radial bearing 5's setting, can make main shaft 2 keep away from the one end of footstep bearing 3 and carry on spacingly, can make main shaft 2 rotatory more stable, and footstep bearing 3 passes through snap ring 36 and is connected with the inside spacing groove 6 of shell 1, make footstep bearing 3 can not appear not hard up problem with shell 1 when rotatory under the effect through snap ring 36.

And limit bearing 4 is close to one side of footstep bearing 3 and is equipped with limit ring 42, one side that limit bearing 3 is close to limit ring 42 is equipped with recess 32, limit bearing 4 is through limit ring 42 and the mutual joint of the recess 32 of the inside of footstep bearing 3 like this, make limit bearing 4 be connected closely with footstep bearing 3, simultaneously because solid fixed ring 43 connects with main shaft 2 soon, but mutual slip between spacing ring 41 and the solid fixed ring 43, gu fixed ring 43 fixes on main shaft 2 like this, spacing ring 41 and footstep bearing 3 are attached each other, and main shaft 2 is rotatory, it is rotatory to drive solid fixed ring 43 and follow main shaft 2, when rotatory each other, the problem of deviation can not appear.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (8)

1. A submersible motor thrust structure, comprising:

the protection mechanism is used for protecting;

the anti-thrust mechanism is arranged inside the protection mechanism and used for performing anti-thrust limit on the motor shaft;

wherein, thrust bearing mechanism includes footstep bearing (3) and spacing bearing (4), one side of footstep bearing (3) with protection machanism contacts each other, the opposite side of footstep bearing (3) is equipped with spacing bearing (4), the lateral wall at footstep bearing (3) is installed in spacing bearing (4), footstep bearing (3) are including first go-between (31) and second go-between (34), the inboard of first go-between (31) and second go-between (34) is equipped with extension board (33), recess (32) have been seted up to the table wall of first go-between (31), one side that first go-between (31) was kept away from in second go-between (34) is equipped with snap ring (36), limit groove (6) have been seted up to one side that protection machanism is close to footstep bearing (3) with during protection machanism contact each other, snap ring (36) sliding connection is in the inside of limit groove (6).

2. The thrust structure of the submersible motor according to claim 1, wherein the limit bearing (4) comprises a limit ring (41), the side wall of the limit ring (41) is provided with a limit ring (42), the installation position of the limit ring (42) is close to one side of the thrust bearing (3), and one side of the limit ring (41) far away from the limit ring (42) is provided with a fixing ring (43).

3. The thrust structure of a submersible motor according to claim 1, wherein the first connecting ring (31) and the second connecting ring (34) are provided with sliding grooves on the inner sides close to the support plate (33).

4. A thrust structure for a submersible motor according to claim 1, characterized in that the protection mechanism comprises a housing (1), the main shaft (2) penetrates through the housing (1), and a radial bearing (5) is arranged at the intersection of the housing (1) and the main shaft (2) and at the end far away from the thrust bearing (3).

5. The thrust structure of a submersible motor according to claim 1, characterized in that the limit bearing (4) is connected with the main shaft (2) in a screwing manner.

6. A thrust structure of a submersible motor according to claim 4, characterized in that the housing (1) is a hollow structure, and an end cover is arranged on one side of the housing (1) close to the radial bearing (5).

7. The thrust structure of the submersible motor according to claim 1, wherein the limit bearing (4) and the thrust bearing (3) are both of an annular structure, and the circle centers of the limit bearing (4) and the thrust bearing (3) are located at the same position.

8. The thrust structure of a submersible motor according to claim 1, wherein a plurality of holes are formed in the support plate (33), and a ball (35) is embedded in each of the plurality of holes.

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