CN210065058U

CN210065058U - Stator lifting device

Info

Publication number: CN210065058U
Application number: CN201822267817.1U
Authority: CN
Inventors: 景佩江; 薛梅; 何建新; 张洪礼; 吕玉兰; 杨雪峰; 孙永东; 靳强
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-02-14
Anticipated expiration: 2028-12-28

Abstract

The utility model provides a stator lifting device, this stator lifting device includes: a base having a support surface; the lifting assembly is used for lifting the stator and detachably arranged on the supporting surface; the clamping structure is arranged between the base and the lifting assembly and used for fixing the position of the lifting assembly on the base. Through the technical scheme that this application provided, can solve the problem of the stator change inefficiency among the prior art.

Description

Stator lifting device

Technical Field

The utility model relates to a viscous crude production technical field particularly, relates to a stator lifting device.

Background

Generally, in the production of thick oil, the outward transportation of crude oil is mainly completed by means of a transportation pump. The service life of the oil transfer pump stator is generally two years, and the stator needs to be replaced when reaching the service life.

In the prior art, as the weight of part of the stators is larger, the stators need to be lifted manually when the stators are replaced, the time consumed by adopting the mode is longer, the replacement efficiency is low, and the damage to the body of a person is easy to cause.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stator lifting device to the problem of inefficiency is changed to the stator among the solution prior art.

The utility model provides a stator lifting device, stator lifting device includes: a base having a support surface; the lifting assembly is used for lifting the stator and detachably arranged on the supporting surface; the clamping structure is arranged between the base and the lifting assembly and used for fixing the position of the lifting assembly on the base.

Furthermore, a slide way and a limiting part are arranged on the supporting surface of the base, the limiting part is arranged on the edge of the slide way, the bottom of the lifting assembly is inserted into the slide way, and the limiting part is used for being matched with the bottom of the lifting assembly to form a clamping structure.

Further, the lifting assembly comprises: the lifting mechanism is provided with a fixed end and a telescopic end which are oppositely arranged; the support, stiff end and leg joint, the bottom and the base of support can be dismantled and be connected.

Furthermore, the support includes two supports that cross arrangement, and every support has link and the end of pegging graft that sets up relatively, and the link of two supports is connected with elevating system's stiff end, and the locating part is used for restricting the end of pegging graft of support.

Furthermore, two limiting parts are arranged on the base, the two limiting parts are oppositely arranged on two sides of the slide way, and the two limiting parts and the two insertion ends are arranged in a one-to-one correspondence mode.

Further, the lifting assembly further comprises a supporting seat, the supporting seat is connected with the telescopic end of the lifting mechanism, the supporting seat is used for supporting the stator, and the surface of the supporting seat is matched with the outer wall of the stator.

Further, the base includes: the lifting component is arranged on the supporting plate; two curb plates, two curb plates are located the both sides of backup pad respectively.

Furthermore, the base further comprises guide positioning pieces, the guide positioning pieces are respectively arranged on the two side plates, and the guide positioning pieces are used for guiding and fixing the base.

Further, the base still includes the gyro wheel, and the gyro wheel setting is on two curb plates.

Further, the lifting mechanism includes a jack.

Use the technical scheme of the utility model, this stator lifting device includes base, lifting unit and joint structure. Wherein, the base has the holding surface, and lifting unit detachably sets up on the holding surface, and lifting unit is used for the lift stator. Specifically, the position of the lifting assembly on the base is fixed through a clamping structure arranged between the base and the lifting assembly. When the stator needs to be replaced, the base can be moved to the lower side of the stator, the lifting assembly is fixed on the base through the clamping structure, then the lifting assembly is utilized to lift the stator, the lifting assembly and the base can be detached after replacement, and the device is convenient to disassemble, assemble and move. By adopting the structure, the stator lifting device has the advantages of convenience in disassembly and assembly, flexibility in operation and the like, the stator is replaced by the stator lifting device, the replacement efficiency can be improved, and the labor intensity of workers is reduced.

Drawings

The accompanying drawings, which form a part of the present application, 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 and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a stator lifting device provided by the present invention;

fig. 2 shows another schematic structural diagram of the stator lifting device provided by the present invention.

Wherein the figures include the following reference numerals:

10. a base; 11. a slideway; 12. a limiting member; 13. a support plate; 14. a side plate; 15. a guide positioning member; 16. a roller; 20. a lifting assembly; 21. a lifting mechanism; 22. a support; 23. and (4) supporting the base.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, an embodiment of the present invention provides a stator lifting device, which includes: base 10, lifting unit 20 and joint structure. Wherein the base 10 has a support surface. The lifting assembly 20 is used for lifting the stator, and the lifting assembly 20 is detachably disposed on the supporting surface. The clamping structure is arranged between the base 10 and the lifting assembly 20, and particularly, the clamping structure is used for fixing the position of the lifting assembly 20 on the base 10. Through setting up the device into split type structure, the device of being convenient for carries out dismouting and removal, when changing the stator, passes through the joint structure with lifting unit 20 and fixes on base 10 to utilize lifting unit 20 to go up and down to the stator, accomplish the change back of stator, with lifting unit 20 and base 10 split again, portability that can hoisting device, and the flexible operation.

With the embodiment provided in the present application, the stator lifting device includes a base 10, a lifting assembly 20, and a clamping structure. Wherein, the base 10 has a supporting surface, the lifting assembly 20 is detachably disposed on the supporting surface, and the lifting assembly 20 is used for lifting the stator. Specifically, the position of the lifting assembly 20 on the base 10 is fixed by a clamping structure arranged between the base 10 and the lifting assembly 20. When the stator needs to be replaced, the base 10 is moved to the lower side of the stator, the lifting assembly 20 is fixed to the base 10 through the clamping structure, and then the lifting assembly 20 is used for lifting the stator. Moreover, after the stator is replaced, the lifting assembly 20 can be detached from the base 10, so that the device is convenient to carry.

In this embodiment, a sliding way 11 and a limiting member 12 are disposed on a supporting surface of the base 10, wherein the limiting member 12 is disposed at an edge of the sliding way 11, a bottom of the lifting assembly 20 is inserted into the sliding way 11, and the limiting member 12 is used for cooperating with the bottom of the lifting assembly 20 to form a clamping structure. Through the structure, when the device is assembled, the bottom of the lifting component 20 is inserted into the groove between the limiting part 12 and the slide way 11 along the slide way 11, the limiting part 12 can limit the lifting component 20, and the lifting component 20 can be prevented from being separated from the base 10.

Specifically, the lifting assembly 20 includes a lifting mechanism 21 and a support 22. Wherein, elevating system 21 has the stiff end and the flexible end of relative setting, and elevating system 21's stiff end is connected with support 22, and support 22's bottom can be dismantled with base 10 and be connected, so set up, both can be connected elevating assembly 20 detachable and base 10, can adjust elevating system 21 according to the height of stator again, conveniently change the stator.

In this embodiment, the bracket 22 includes two brackets 22 arranged in a cross manner, each bracket 22 has a connecting end and an inserting end arranged oppositely, the connecting ends of the two brackets 22 are connected with the fixed end of the lifting mechanism 21, and the limiting member 12 is used for limiting the inserting end of the bracket 22. In other embodiments, the bracket 22 may be plural, as long as the coupling and fixing effect of the bracket is satisfied.

Preferably, the base 10 is provided with two limiting members 12, the two limiting members 12 are oppositely disposed on two sides of the sliding way 11, and the two limiting members 12 and the two insertion ends are disposed in one-to-one correspondence. The two limiting parts 12 are matched with the two inserting ends, so that the limiting effect of the limiting parts 12 on the lifting assembly 20 can be guaranteed.

In this embodiment, the lifting assembly 20 further includes a supporting seat 23, the supporting seat 23 is connected with the telescopic end of the lifting mechanism 21, the supporting seat 23 is used for supporting the stator, and the surface of the supporting seat 23 is matched with the outer wall of the stator, so as to ensure that the stator cannot fall off from the supporting seat 23, and the stability and the safety of the device can be improved.

Preferably, in this embodiment, be provided with four 8 mm's steel balls on the surface of supporting seat 23, it is concrete, four steel balls are central symmetry with the bottom center of supporting seat 23 and arrange, adopt above-mentioned structure, when the stator was placed inside supporting seat 23, the steel ball can play the supporting role to the stator, and the stator can rotate supporting seat 23 relatively under the support of steel ball, so be convenient for the change of stator.

Specifically, the base 10 includes a supporting plate 13 and two side plates 14, wherein the supporting plate 13 has a supporting surface, the lifting assembly 20 is disposed on the supporting plate 13, and the two side plates 14 are respectively disposed at two sides of the supporting plate 13. In the present embodiment, the side plate 14 supports the device, and the side plate 14 may be provided as a leg, a bracket, or the like, as long as the support of the device is satisfied.

Preferably, the base 10 further comprises guiding positioning members 15, the guiding positioning members 15 are respectively disposed on the two side plates 14, and the guiding positioning members 15 are used for guiding and fixing the base 10. When changing the stator, establish base 10 cover in fuel delivery pump base top, make two curb plates 14 be located the both sides of fuel delivery pump base respectively, then through adjustment guiding orientation spare 15, make it and fuel delivery pump base cooperate, can make base 10 can remove along fuel delivery pump base border to can be when removing preset position, through making guiding orientation spare 15 and fuel delivery pump base butt, fix the base 10 spacing. The guide positioning member 15 is a bolt stud in this embodiment.

Preferably, the base 10 further comprises rollers 16, and the rollers 16 are disposed on the two side plates 14 to facilitate movement of the device. In particular, in this embodiment, two rollers 16 are provided on each side plate 14 to stabilize the device while moving. The roller 16 is embodied as a 25mm roller bearing.

Preferably, to further enhance the portability of the device, in this embodiment a handle is provided on the outer side of each side panel 14, by which the device can be conveniently moved.

In this embodiment, the lifting mechanism 21 includes a jack for the convenience of the worker, and has good stability.

The stator lifting device provided by the embodiment is not limited to replacing the stator of the oil transfer pump, and the device can be used for supporting a pipeline to complete other operations when devices such as a gate and a uniflow valve are replaced.

For better understanding of the present solution, a specific embodiment of the stator lifting device provided in this embodiment is described below:

(1) moving the base 10 to the lower part of the stator, so that the base 10 covers the upper part of the oil transportation pump base, and the two side plates 14 are respectively positioned at two sides of the oil transportation pump base;

(2) inserting the bracket 22 of the lifting assembly 20 into the slideway 11 of the base 10 to complete the assembly of the device;

(3) the height of the lifting mechanism 21 is adjusted according to the height of the stator of the oil transfer pump, so that the lifting mechanism is matched with the height of the stator;

(4) and taking out the old stator, and then putting the new stator in the new stator to finish the replacement of the stator.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stator lifting device, comprising:

a base (10) having a support surface;

the lifting assembly (20) is used for lifting the stator, and the lifting assembly (20) is detachably arranged on the supporting surface;

the clamping structure is arranged between the base (10) and the lifting assembly (20) and used for fixing the position of the lifting assembly (20) on the base (10).

2. The stator lifting device according to claim 1, wherein a slide way (11) and a limiting member (12) are disposed on the supporting surface of the base (10), the limiting member (12) is disposed at an edge of the slide way (11), a bottom of the lifting assembly (20) is inserted into the slide way (11), and the limiting member (12) is configured to cooperate with the bottom of the lifting assembly (20) to form the clamping structure.

3. Stator lifting device according to claim 2, characterized in that the lifting assembly (20) comprises:

the lifting mechanism (21), the said lifting mechanism (21) has fixed end and flexible end set up relatively;

support (22), the stiff end with support (22) are connected, the bottom of support (22) with base (10) can dismantle the connection.

4. The stator lifting device according to claim 3, wherein the bracket (22) comprises two brackets (22) arranged in a cross manner, each bracket (22) has a connecting end and a plugging end arranged oppositely, the connecting ends of the two brackets (22) are connected with the fixed end of the lifting mechanism (21), and the limiting piece (12) is used for limiting the plugging ends of the brackets (22).

5. The stator lifting device according to claim 4, wherein the base (10) is provided with two limiting members (12), the two limiting members (12) are oppositely arranged at two sides of the slideway (11), and the two limiting members (12) are arranged in one-to-one correspondence with the two insertion ends.

6. The stator lifting device according to claim 3, wherein the lifting assembly (20) further comprises a support base (23), the support base (23) is connected with the telescopic end of the lifting mechanism (21), the support base (23) is used for supporting the stator, and the surface of the support base (23) is matched with the outer wall of the stator.

7. Stator lifting device according to claim 1, characterized in that the base (10) comprises:

a support plate (13), the support plate (13) having the support surface, the lifting assembly (20) being disposed on the support plate (13);

the two side plates (14), the two side plates (14) are respectively positioned at two sides of the supporting plate (13).

8. Stator lifting device according to claim 7, characterized in that the base (10) further comprises guiding and positioning elements (15), the guiding and positioning elements (15) being arranged on the two side plates (14), respectively, the guiding and positioning elements (15) being used for guiding and fixing the base (10).

9. Stator lifting device according to claim 7, characterized in that the base (10) further comprises rollers (16), which rollers (16) are arranged on both side plates (14).

10. A stator lifting device according to claim 3, characterised in that the lifting mechanism (21) comprises a jack.