CN217307416U

CN217307416U - Wire protecting cover of submersible motor

Info

Publication number: CN217307416U
Application number: CN202123281200.3U
Authority: CN
Inventors: 范宝乐; 王雅然
Original assignee: TIANJIN VICTORY OILFIELD EQUIPMENT MANUFACTURING CO LTD
Current assignee: TIANJIN VICTORY OILFIELD EQUIPMENT MANUFACTURING CO LTD
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-08-26
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to a spare part technical field is assisted to the oily motor of diving provides a protect wire cover of oily motor of diving, include: a wire passing housing comprising: wide mouthful section and slot section, wide mouthful section and slot section thin-walled structure as an organic whole, wide mouthful section external diameter is less than latent oily motor casing internal diameter, and wide mouthful section internal diameter is greater than latent oily motor rotor external diameter, and slot section internal diameter is greater than the external diameter of latent oily interior slender axles of motor, installs and to hold the circuit between the line shell of crossing on the slender axles in latent oily motor and the latent oily motor casing and pass, and the array is provided with the multiunit and dismantles the hole on the slot section, the utility model discloses but the circuit separates with the rotor of installing on the slender axles, avoids latent oily motor to sweep at the operation in-process and touch the circuit, simple structure, convenient to use, the dismouting of being convenient for.

Description

Wire protecting cover of submersible motor

Technical Field

The utility model relates to an oil-submersible motor assists spare part technical field, has especially related to an oil-submersible motor's protecting wire cover.

Background

Submersible motors are electric motors that can be immersed in a well at a specified depth. The submersible electric pump is a multi-stage centrifugal pump working underground and is put into an oil well together with an oil pipe, a ground power supply transmits electric energy to the underground submersible motor through a transformer, a control screen and a power cable, so that the submersible motor drives the multi-stage centrifugal pump to rotate, the electric energy is converted into mechanical energy, and the well fluid in the oil well is lifted to the ground.

In the prior art, the relative distance between an outgoing line in a submersible motor shell and a rotor sleeved on a long hanging shaft is very close, and when the submersible motor runs, the outgoing line in the submersible motor shell is easy to collide with the rotor sleeved on the long hanging shaft, so that the outgoing line is damaged or the periphery of the rotor is damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve when the oily motor of diving operates, the easy rotor with the suit on hanging the major axis of the lead-out wire in the oily motor housing of diving bumps, leads to the lead-out wire to damage or the peripheral damaged problem of rotor, the utility model provides an oily motor of diving's protecting wire cover solves this problem.

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

a wire shroud for a submersible motor, comprising: a wire passing housing comprising: wide-mouth section and slot section, wide-mouth section and slot section thin wall construction as an organic whole, wide-mouth section external diameter is less than latent oily motor casing internal diameter, and wide-mouth section internal diameter is greater than latent oily motor rotor external diameter, and slot section internal diameter is greater than the external diameter of latent oily motor internal slender axles, installs and can hold the circuit between the oily motor casing of crossing on latent oily motor internal slender axles and the latent oily motor casing and pass.

Preferably, the narrow opening section is provided with a dismounting hole.

Preferably, a plurality of groups of dismounting holes are arranged on the narrow opening section in an array mode.

Preferably, the wide mouth section and the narrow mouth section are connected by an arc surface.

Preferably, the outer wall of the joint of the wide mouth section and the cambered surface is provided with a fillet.

Preferably, the end face of the narrow opening section of the wire passing shell is sleeved with a rubber strip.

Preferably, the inner diameter of the rubber strip is larger than the outer diameter of the inner slender shaft of the submersible motor.

Preferably, the dismounting hole is slotted from the outer wall of the narrow opening section, but does not penetrate through the thin wall of the narrow opening section, and the depth is 1/2-4/5 of the thin wall of the narrow opening section.

Preferably, the included angle between the narrow opening section and the cambered surface is 100-140 degrees.

The utility model has the advantages of: adopt this device can separate the circuit with install the rotor on slender axles, avoid diving oily motor and sweeping and touch the circuit at the operation in-process, cross the wide mouthful section of line shell and along the installation of slender axles, entangle the rotor, the circuit passes from crossing the line shell outside, can effectively separate the rotor on circuit and the slender axles, improves the security, can effectively reduce the number of times of later stage maintenance and maintenance, through using the convenient dismouting in dismantlement hole.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a structural axial view of the wire passing housing of the present invention;

fig. 3 is a cross-sectional view of the rubber strip of the present invention.

Description of reference numerals:

1. a wire passing housing; 11. a wide mouth section; 12. a narrow mouth section; 2. a submersible motor housing; 3. an elongated shaft; 4. a line; 121. disassembling the hole; 13. a cambered surface; 14. a rubber strip.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The first embodiment is described with reference to fig. 1 and 2:

fig. 1 is the utility model discloses a cross-sectional view, fig. 2 is the utility model discloses cross the structure axonometric view of line shell, as shown in the figure, a protect wire cover of submersible motor, include: cross line shell 1, cross line shell 1 includes: the wide opening section 11 and the narrow opening section 12 are of an integrated thin-wall structure, the outer diameter of the wide opening section 11 is smaller than the inner diameter of a motor shell 2 of the submersible motor, the inner diameter of the wide opening section 11 is larger than the outer diameter of a rotor of the submersible motor, the inner diameter of the narrow opening section 12 is larger than the outer diameter of a slender shaft 3 in the submersible motor, a line 4 can be accommodated between a line passing shell 1 arranged on the slender shaft 3 in the submersible motor and the motor shell 2 of the submersible motor to pass through, and thus the device can separate the line 4 from the rotor arranged on the slender shaft 3, the submersible motor is prevented from sweeping the line 4 in the operation process, the wide opening section 11 of the line passing shell 1 is arranged along the slender shaft 3 to sleeve the rotor, the line 4 passes through the outer side of the line passing shell 1, the line 4 and the rotor on the slender shaft 3 can be effectively separated, the safety is improved, the number of later maintenance and the narrow opening section 11 and the narrow opening section 12 are of an integrated thin-wall structure, under the condition of ensuring the structural strength of the wire passing shell 1, the wall thickness of the wire passing shell 1 is reduced as much as possible, so that a large current line cannot be blocked when passing through the wire passing shell in a limited space.

Example two, with reference to fig. 1 and 2, is explained:

fig. 1 is the utility model discloses a cross-sectional view, fig. 2 is the utility model discloses cross the structure axonometric view of line shell, as shown in the figure, a protect wire cover of submersible motor, include: cross line shell 1, cross line shell 1 includes: wide mouthful of section 11 and narrow mouth section 12, wide mouthful of section 11 and narrow mouth section 12 thin wall construction as an organic whole, wide mouthful of 11 external diameters are less than the motor casing 2 internal diameters of diving oil, and wide mouthful of 11 internal diameters are greater than the motor rotor external diameters of diving oil, and narrow mouth section 12 internal diameters are greater than the external diameter of slender axles 3 in the diving oil motor, can hold circuit 4 between installing line shell 1 and the motor casing 2 of diving oil on slender axles 3 in the diving oil motor and pass, be provided with disassembly hole 121 on the narrow mouth section 12, disassembly hole 121 can be provided with two sets ofly symmetrically, so set up, and the staff can use tools such as hook to take out line shell 1 from hanging the major axis 3 through disassembly hole 121, facilitates the use.

In the third embodiment, on the basis of the first embodiment, the following description is made with reference to fig. 1 and 2:

fig. 1 is the utility model discloses a cross-sectional view, fig. 2 are the utility model discloses cross the structure axonometric view of line shell, as shown in the figure, wide mouthful of section 11 and slot section 12 pass through cambered surface 13 and connect, wide mouthful of section 11 leads with cambered surface 13 junction outer wall has the fillet, so sets up, avoids the fish tail installer when can avoiding the edges and corners fish tail circuit on the line shell 1 or install.

In the fourth embodiment, the following description is made with reference to fig. 1, 2, and 3 on the basis of the third embodiment:

fig. 1 is the utility model discloses a cross-sectional view, fig. 2 is the utility model discloses cross the structure axonometric view of line shell, fig. 3 is the utility model discloses the cross-sectional view of rubber strip, as shown in the figure, cross 12 terminal surface covers of narrow mouthful section of line shell 1 and be equipped with rubber strip 14, the 14 internal diameters of rubber strip are greater than 3 external diameters of slender axles in the oil submersible motor, so set up, and rubber strip 14 passes through buckle fixed mounting at 12 terminal surfaces of narrow mouthful section, can avoid the fish tail installer when avoiding 12 terminal surface edges and corners fish tail circuits of narrow mouthful section or installing effectively.

In the fifth embodiment, the following description is given with reference to fig. 1 on the basis of the second embodiment:

fig. 1 is the cross-sectional view of the utility model, as shown in the figure, the dismounting hole 121 from the slot 12 outer wall fluting, but does not run through the slot 12 thin wall, the degree of depth is 1/2-4/5 of slot 12 thin wall, so set up, when avoiding will crossing line shell 1 and take out, the staff uses the hook fish tail to hang major axis 3 outer wall, influences and hangs major axis 3 surface finish and whole pleasing to the eye.

The sixth embodiment is explained with reference to fig. 1 and 2 on the basis of the third embodiment:

fig. 1 is the utility model discloses a cross-sectional view, fig. 2 is the utility model discloses cross the structure axonometric view of line shell, as shown in the figure, the contained angle of narrow mouthful section 12 and cambered surface 13 is 120, so sets up, can effectively improve line shell 1 structural strength, and when the angle was too big, under the same effect, the material that needs to use was more, the extravagant cost.

The utility model discloses a theory of operation: a wire shroud for a submersible motor, comprising: cross line shell 1, cross line shell 1 includes: the wide opening section 11 and the narrow opening section 12 are of an integrated thin-wall structure, the outer diameter of the wide opening section 11 is smaller than the inner diameter of a motor shell 2 of the submersible motor, the inner diameter of the wide opening section 11 is larger than the outer diameter of a rotor of the submersible motor, the inner diameter of the narrow opening section 12 is larger than the outer diameter of a slender shaft 3 in the submersible motor, a line 4 can be accommodated between a line passing shell 1 arranged on the slender shaft 3 in the submersible motor and the motor shell 2 of the submersible motor to pass through, the line 4 and the rotor arranged on the slender shaft 3 can be separated by adopting the device, the submersible motor is prevented from sweeping and touching the line 4 in the operation process, the wide opening section 11 of the line passing shell 1 is arranged along the slender shaft 3 and sleeved on the rotor, the line 4 passes through the outer side of the line passing shell 1, the line 4 and the rotor on the slender shaft 3 can be effectively separated, the safety is improved, the number of later maintenance and the number of times can be effectively reduced, and the wide opening section 11 and the narrow opening section 12 are of the thin-wall structure, under the condition of guaranteeing line shell 1 structural strength, the wall thickness of line shell 1 is crossed to minimize, can be in limited space, can not be obstructed when making the heavy current circuit pass through, the utility model discloses simple structure, easy dismounting, it is safe in utilization, the production of being convenient for.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims

1. A wire shroud for a submersible motor, comprising: cross line shell (1), its characterized in that crosses line shell (1) and includes: wide mouthful section (11) and slot section (12), wide mouthful section (11) and slot section (12) thin wall construction as an organic whole, wide mouthful section (11) external diameter is less than latent oily motor casing (2) internal diameter, and wide mouthful section (11) internal diameter is greater than latent oily motor rotor external diameter, and slot section (12) internal diameter is greater than the external diameter of slender axles (3) in the latent oily motor, installs and to hold between line shell (1) of crossing on slender axles (3) in the latent oily motor and the latent oily motor casing (2) line (4) and pass.

2. The wire protector for submersible electric motor according to claim 1, characterized in that the narrow-mouth section (12) is provided with a removal hole (121).

3. The wire guard of a submersible motor according to claim 1, characterized in that a plurality of sets of dismounting holes (121) are arranged in an array on the narrow opening section (12).

4. The wire protecting cover for the submersible motor according to claim 1, characterized in that the wide-mouth section (11) and the narrow-mouth section (12) are connected by an arc surface (13).

5. The wire guard of the submersible motor according to claim 4, wherein the outer wall of the joint of the wide opening section (11) and the cambered surface (13) is provided with a fillet.

6. The wire protecting cover of the submersible motor according to claim 1, characterized in that the end face of the narrow opening section (12) of the wire passing shell (1) is sleeved with a rubber strip (14).

7. The wire guard of the submersible motor according to claim 6, wherein the inner diameter of the rubber strip (14) is larger than the outer diameter of the slender shaft (3) in the submersible motor.

8. The wire guard of the submersible motor according to claim 2 or 3, wherein the dismounting hole (121) is formed by notching from the outer wall of the narrow opening section (12), but does not penetrate through the thin wall of the narrow opening section (12), and has a depth of 1/2-4/5 of the thin wall of the narrow opening section (12).

9. The wire guard of the submersible motor according to claim 4, wherein the angle between the narrow opening section (12) and the arc surface (13) is between 100 ° and 140 °.