CN219717957U - Outer rotor motor for pumping unit - Google Patents

Abstract

The utility model relates to the technical field of pumping units, in particular to an outer rotor motor for a pumping unit. The novel motor stator comprises a base, wherein two main supports are fixed at the upper end of the base, the two main supports are fixedly connected with an inner shaft, a stator assembly is fixedly sleeved on the inner shaft, a shell is sleeved outside the stator assembly, the left end cover and the right end cover are respectively fixedly and hermetically connected with a left end cover and a right end cover, the inner shaft penetrates through the left end cover and the right end cover, the left end cover and the right end cover are rotationally connected with the inner shaft, a roller is concentrically and fixedly connected on the right end cover, the inner shaft penetrates through the roller, and the roller is rotationally connected with the inner shaft. According to the utility model, the roller is fixedly connected with the shell, the shell is utilized to directly drive the roller to rotate, and the brake disc is integrated, so that a speed reducer is omitted, the whole structure is simple, the size is small, the installation is convenient, and the erection efficiency of the pumping unit can be improved.

Description

Outer rotor motor for pumping unit

Technical Field

The utility model relates to the technical field of pumping units, in particular to an outer rotor motor for a pumping unit.

Background

In the oil extraction industry of the oil field at present, the beam-free pumping unit adopts more two types, one type is an electric control reversing beam-free pumping unit, the other type is a mechanical reversing pumping unit, the petroleum exploration and exploitation industry also carries out optimization and upgrading in a large environment, quality improvement and synergy are realized, and carbon emission is reduced.

The electric control reversing beam-free pumping unit drives the polish rod to move up and down by controlling the forward and backward rotation through a motor, so that oil reservoir resources are collected.

At present, the electric control reversing oil pumping machine mostly adopts a motor to drive a connecting reducer to drive a roller to transmit power, and the electric control reversing oil pumping machine adopting the transmission mode has low erection efficiency and poor stability.

Disclosure of Invention

The utility model aims to solve the technical problems that the external rotor motor for the pumping unit is small in size, convenient to install and capable of improving the erection efficiency of the pumping unit.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides an external rotor motor for beam-pumping unit, the on-line screen storage device comprises a base, the base upper end is fixed with two main support, two main support and interior fixed connection, interior epaxial cover is fixed with the stator assembly, stator assembly outside cover is equipped with the casing, the left and right sides of casing is fixedly connected with left end cover and right end cover respectively, interior axle runs through left end cover and right end cover, left end cover and right end cover are connected with interior axle rotation, concentric fixedly connected with cylinder on the right end cover, interior axle runs through the cylinder, cylinder and interior axle rotation are connected, a plurality of annular has been seted up to the casing outer fringe, the annular is concentric with the casing, all be fixed with the auxiliary support on the base of annular below, the auxiliary support upper end is fixed with the arc, the arc is concentric with the casing, the arc is located its annular of top, install a plurality of universal balls on the arc inner edge, universal ball and casing rolling contact.

Specifically, brake discs are fixed on the left end cover and the roller.

Specifically, the stator assembly comprises a stator fixed on the inner shaft, and a stator winding is wound on the stator.

Specifically, the power cord penetrates through the inner hole at one side of the inner shaft and is electrically connected with the stator winding.

Specifically, the left end cover, the right end cover and the roller are all rotationally connected with the inner shaft through bearings.

In particular, the brake disc is concentric with the inner shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the roller is fixedly connected with the shell, the shell is utilized to directly drive the roller to rotate, and the brake disc is integrated, so that a speed reducer is omitted, the whole structure is simple, the size is small, the installation is convenient, and the erection efficiency of the pumping unit can be improved.

2. Utilize arc, universal ball and auxiliary support to support the casing lower extreme, can improve the stability in the casing rotation process, improved the load capacity of cylinder simultaneously, improved the life of bearing.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a cross-sectional view of the left end cap, housing, stator assembly, right end cap, drum and brake disc.

Fig. 3 is a left side view of the mating of the secondary bracket and arcuate plate.

The names of the parts in the drawings are as follows:

1. base seat

2. Main support

3. Auxiliary bracket

4. Arc-shaped plate

5. Power line

6. Shell body

7. Left end cover

8. Brake disc

9. Right end cap

10. Roller

11. Annular groove

12. Inner shaft

13. Stator assembly

14 universal ball

15. And (3) a bearing.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an external rotor motor for a pumping unit comprises a base 1, wherein two main supports 2 are fixed at the upper end of the base 1, and the two main supports 2 are fixedly connected with an inner shaft 12.

The stator assembly 13 is sleeved and fixed on the inner shaft 12. The stator assembly 13 includes a stator fixed to the inner shaft 12, and a stator winding is wound around the stator. The power wire 5 penetrates through the inner hole on one side of the inner shaft 12 and is electrically connected with the stator winding.

The stator assembly 13 outside cover is equipped with casing 6, and the left and right sides of casing 6 is fixed sealing connection respectively has left end cover 7 and right end cover 9, and interior axle 12 runs through left end cover 7 and right end cover 9, left end cover 7 and right end cover 9 are connected through bearing 15 rotation with interior axle 12. And a brake disc 8 is fixed on the left end cover 7.

The right end cover 9 is concentrically and fixedly connected with a roller 10, the inner shaft 12 penetrates through the roller 10, and the roller 10 is rotatably connected with the inner shaft 12 through a bearing 15. A brake disc 8 is fixed on the drum 10. The brake disc 8 is concentric with the inner shaft 12.

The outer fringe of casing 6 has seted up a plurality of annular 11, and annular 11 is concentric with casing 6, all is fixed with auxiliary stand 3 on the base 1 of annular 11 below, and auxiliary stand 3 upper end is fixed with arc 4, and arc 4 is concentric with casing 6, and arc 4 is located the annular 11 of its top, installs a plurality of universal balls 14 on the arc 4 inner edge, and universal ball 14 and casing 6 rolling contact.

When installed, the base 1 is fixed on the top platform of the pumping unit and the belt is made to bypass the roller 10. The shell 6 can drive the left end cover 7, the right end cover 9, the roller 10 and the brake disc 8 to rotate in the rotating process. The drum 10 can drive the belt thereon to move during rotation.

The lower end of the shell 6 is supported by the arc-shaped plate 4, the universal ball 14 and the auxiliary bracket 3, and in the process of rotating the shell 6, the universal ball 14 is always in rolling contact with the shell 6 and supports the shell 6. The stability of the shell 6 in the rotation process can be improved, the loading capacity of the roller 10 is improved, and the service life of the bearing 15 is prolonged.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The utility model provides an external rotor motor for beam-pumping unit, including base (1), base (1) upper end is fixed with two main support (2), a serial communication port, two main support (2) and interior axle (12) fixed connection, the cover is established on interior axle (12) and is fixed with stator assembly (13), stator assembly (13) outside cover is equipped with casing (6), the left and right sides end of casing (6) is fixed seal connection respectively has left end cover (7) and right-hand member lid (9), interior axle (12) run through left end cover (7) and right-hand member lid (9), left end cover (7) and right-hand member lid (9) are connected with interior axle (12) rotation, concentric fixedly connected with cylinder (10) on right-hand member lid (9), interior axle (12) run through cylinder (10), cylinder (10) are connected with interior axle (12) rotation, a plurality of annular (11) have been seted up to casing (6) outer fringe, annular (11) are concentric with casing (6), all be fixed with auxiliary support (3) on base (1) of annular (11) below, auxiliary support (3) upper end is fixed with arc (4), arc (4) and casing (6) are located the arc (14) on it is concentric with arc (14) in the arc, the universal ball (14) is in rolling contact with the shell (6).

2. The external rotor motor for the pumping unit according to claim 1, wherein brake discs (8) are fixed on the left end cover (7) and the roller (10).

3. An external rotor motor for a pumping unit according to claim 1, characterized in that the stator assembly (13) comprises a stator fixed on the inner shaft (12), on which stator windings are wound.

4. An external rotor motor for a pumping unit according to claim 3, wherein the power cord (5) is electrically connected to the stator winding after penetrating through the inner hole on one side of the inner shaft (12).

5. The external rotor motor for the pumping unit according to claim 1, wherein the left end cover (7), the right end cover (9) and the roller (10) are all rotatably connected with the inner shaft (12) through bearings (15).

6. An external rotor motor for a pumping unit according to claim 2, characterized in that the brake disc (8) is concentric with the inner shaft (12).