CN214274059U - Centrifugal pump shaft sleeve taking-out tool - Google Patents
Centrifugal pump shaft sleeve taking-out tool Download PDFInfo
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- CN214274059U CN214274059U CN202021583004.4U CN202021583004U CN214274059U CN 214274059 U CN214274059 U CN 214274059U CN 202021583004 U CN202021583004 U CN 202021583004U CN 214274059 U CN214274059 U CN 214274059U
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- centrifugal pump
- shaft sleeve
- annular clamp
- pump shaft
- annular
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Abstract
The utility model provides a centrifugal pump axle sleeve takes out instrument relates to the installation and dismantles technical field, can dismantle by safe efficient and take out the centrifugal pump axle sleeve. The centrifugal pump shaft sleeve taking-out tool comprises an annular clamp with an opening, a grabbing structure and a three-jaw puller structure; the annular clamp and the structure are provided with fastening connecting pieces at two ends of the opening; the grabbing structure is arranged opposite to the annular clamp and the structure, and the outer side walls of the annular clamp and the structure are connected with the grabbing structure through a three-jaw puller structure.
Description
Technical Field
The utility model relates to an installation dismantles technical field, especially relates to a centrifugal pump axle sleeve takes out instrument.
Background
The cooling water feed pump, the main cooling feed pump that becomes, air conditioner feed pump of power station hydroelectric set are centrifugal pumps mostly, overhaul or disappear the in-process to the centrifugal pump, need carry out the dismouting to the centrifugal pump axle sleeve, because of the centrifugal pump axle sleeve is tubular structure, and long-time operation is closely bonded with the pump shaft, and the axle sleeve surface does not have the stress point that can supply three-jaw puller to use, wastes time and energy when dismantling and take out the centrifugal pump axle sleeve, influences the centrifugal pump and overhauls or disappear the progress. Therefore, how to overcome the defects of the prior art is a problem to be solved urgently in the technical field of the installation and the disassembly of the shaft sleeve of the centrifugal pump at present.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a centrifugal pump axle sleeve takes out instrument can dismantle by safe efficient and take out the centrifugal pump axle sleeve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a centrifugal pump shaft sleeve taking-out tool comprises an annular clamp with an opening, a structure, a grabbing structure and a three-jaw puller structure; the annular clamp and the structure are provided with fastening connecting pieces at two ends of the opening; the grabbing structure is opposite to the annular clamp and the annular clamp structure, and the outer side wall of the annular clamp structure are connected with the grabbing structure through the three-jaw puller structure.
In some possible implementations, the fastening connection includes: the fastening bolt assembly is matched with the first fastening nut and the second fastening nut; the first fastening nut and the second fastening nut are respectively fixed on the two sides of the opening of the annular clamp and the structure; the first fastening nut and the second fastening nut are oppositely arranged, and the axial direction of the first fastening nut and the axial direction of the second fastening nut are vertical to the axial direction of the annular card and the structure.
In some possible implementations, the grasping structure is a loop structure; the three-jaw puller structure is connected with the annular clamp, the outer side wall of the structure is connected with the outer side wall of the grabbing structure.
In some possible implementation manners, three sets of nuts which are oppositely arranged are dispersedly fixed on the outer side wall of the annular clamp and the structure at the position opposite to the grabbing structure; the three-jaw puller structure comprises three bolts which are respectively matched with the three groups of oppositely arranged nuts.
In some possible implementation manners, the outer side wall of the annular card and the structure is further fixedly provided with an adjusting nut, and one end surface of the adjusting nut in the axial direction is fixedly connected with the outer side wall of the annular card and the structure.
In some possible implementations, the annular clip and structure is a centrifugal pump shaft sleeve provided with an opening; the grabbing structure is a centrifugal pump shaft sleeve.
To sum up, when needing to dismantle the centrifugal pump axle sleeve and take out in the reality, stretch into the centrifugal pump axle sleeve to the inboard of cyclic annular card and structure, fix centrifugal pump axle sleeve and cyclic annular card and structure through adjusting fastening connection spare, then to grabbing the structure application of force, draw the horse structure through the three-jaw and drive cyclic annular card and structure, and then the centrifugal pump axle sleeve is taken out in safe efficient dismantlement.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Drawings
Fig. 1 is a schematic structural diagram of a centrifugal pump shaft sleeve removing tool provided in this embodiment;
fig. 2 is a schematic layout structure diagram of a centrifugal pump shaft sleeve removing tool provided by the embodiment;
fig. 3 is a schematic layout structure diagram of a centrifugal pump shaft sleeve removing tool provided by the embodiment.
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 application, 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.
Unless otherwise defined, technical or scientific terms used in the embodiments of the present application should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the embodiments of the invention do not denote any order, quantity, or importance, but rather the embodiments are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "upper," "lower," "left," "right," "horizontal," and "vertical" are used merely for relative terms as to the orientation of the elements in the drawings, and these directional terms are relative terms, which are used for descriptive and clarity relative to the elements and which can vary accordingly depending on the orientation in which the elements in the drawings are placed.
The embodiment of the application provides a centrifugal pump shaft sleeve taking-out tool (hereinafter, referred to as a shaft sleeve taking-out tool for short), and as shown in fig. 1, the shaft sleeve taking-out tool comprises an annular clamp and structure 1 with an opening S, a grabbing structure 2 and a three-jaw puller structure 3.
As shown in fig. 1, the annular clip and the structure 1 are provided with fastening connectors 10 at two ends of the opening S, and the size of the opening S (i.e. the size of the inner diameter of the annular clip and the structure 1) can be adjusted by the fastening connectors 10, so that the centrifugal pump shaft sleeve can be fixed by the annular clip and the structure 1.
The form of the fastening connection piece 10 is not limited in the present application, as long as it is ensured that the size of the opening S can be adjusted by the fastening connection piece 10, and the centrifugal pump shaft sleeve is fixed on the inner side of the annular clip and the structure 1.
Illustratively, in some possible implementations, as shown in fig. 2, the fastening connection 10 includes: a first fastening nut 101, a second fastening nut 102, and a fastening bolt assembly 103 engaged with the first fastening nut 101 and the second fastening nut 102; wherein, the first fastening nut 101 and the second fastening nut 102 are respectively fixed with the annular card and two sides of the opening S of the structure 1; the first fastening nut 101 and the second fastening nut 102 are oppositely arranged, and the axial direction of the first fastening nut 101 and the second fastening nut 102 is vertical to the axial direction of the annular card and the structure 1; i.e. the end faces of the first 101 and second 102 fastening nuts are perpendicular to the annular card and the outer side wall of the structure 1.
In addition, as shown in fig. 1, the grabbing structure 2 is arranged opposite to the annular card and structure 1, and the outer side wall of the annular card and structure 1 is connected with the grabbing structure 2 through a three-jaw puller structure 3.
In the actual operation process, the operating personnel drive the centrifugal pump shaft sleeve to be detached and removed through the annular clamp and the structure 1 by applying force to the grabbing structure 2. In order to facilitate the grasping of the grasping structure 2 by the operator and thus the application of force, in some possible implementation manners, the grasping structure 2 may be provided as an annular structure; the three-jaw puller structure 3 is connected with the annular clamp, and the outer side wall of the structure 1 is connected with the outer side wall of the grabbing structure 2.
In some possible implementation manners, in order to simplify the structure of the shaft sleeve taking-out tool and reduce the manufacturing cost, the annular clamp and the structure 1 and the grabbing structure 2 can both adopt centrifugal pump shaft sleeves, such as waste centrifugal pump shaft sleeves. Of course, for the annular clamp and the structure 1, an opening S needs to be formed on the waste centrifugal pump shaft sleeve by cutting; illustratively, the width of the opening S may be 1 cm.
In addition, in the application, the connection modes of the three-jaw puller structure 3, the grabbing structure 2, the annular clamp and the structure 1 are not particularly limited. In some embodiments, there may be a fixed connection between the three jaw puller structure 3 and the grasping structure 2, the ring clamp and the structure 1. In some embodiments, in order to facilitate the disassembly operation of the centrifugal pump shaft sleeve, the three-jaw puller structure 3 and the grabbing structure 2, the annular clamp and the structure 1 can be detachably connected; in this case, the annular clip and the structure 1 may be fixed with the centrifugal pump shaft sleeve to be disassembled, and the grabbing structure 2 may be assembled at the three-jaw puller structure 3. The following embodiments of the present application are schematically illustrated by taking the example of detachable connections between the jaw puller structure 3 and the grabbing structure 2, and between the ring-shaped clamp and the structure 1.
Illustratively, in some possible implementations, as shown in fig. 1, three sets of nuts arranged oppositely (i.e. each set includes two nuts arranged oppositely) are dispersedly fixed on the annular card and structure 1 at the position where the outer side wall is opposite to the grabbing structure 2; the three-jaw puller structure 3 comprises three screw rods which are respectively matched with three groups of oppositely arranged nuts. Under this condition, through the nut cooperation of three screw rod respectively with every group relative setting, can realize that three-jaw draws horse structure 3 and snatchs structure 2, cyclic annular card and structure 1 between can dismantle and be connected.
To sum up, when needing to dismantle the centrifugal pump axle sleeve and take out in the reality, stretch into the centrifugal pump axle sleeve to the inboard of cyclic annular card and structure, fix centrifugal pump axle sleeve and cyclic annular card and structure through adjusting fastening connection spare, then to grabbing the structure application of force, draw the horse structure through the three-jaw and drive cyclic annular card and structure, and then the centrifugal pump axle sleeve is taken out in safe efficient dismantlement.
In order to adjust the position of the opening S in the ring card and the structure 1, as shown in fig. 3, an adjusting nut T may be fixedly provided on the outer side wall of the ring card and the structure 1, and one end surface of the adjusting nut T in the axial direction may be fixedly connected to the outer side wall of the ring card and the structure 1. When the position of the annular card and the opening S on the structure 1 needs to be adjusted, the annular card and the structure 1 can be rotated by screwing a bolt (or a screw) matched with the adjusting nut T into a threaded hole of the adjusting nut T.
In practice, in order to simplify the manufacture of the shaft sleeve taking-out tool as much as possible and avoid introducing too many bolts and nuts of different specifications, all the nuts in the shaft sleeve taking-out tool may be set to adopt the same specification as much as possible, and of course, the bolts matched with the nuts also adopt the same specification as much as possible.
Illustratively, as shown in fig. 1, the first and second fastening nuts 101 and 102 and the nuts of the fastening bolt assembly 103 located on both sides of the opening S may all adopt a specification of M16, and the bolts of the fastening bolt assembly 103 adopt a specification of M16. The three-jaw puller structure 3 adopts 3M 16X 200 screws, and 3 groups of nuts which are positioned on the ring-shaped clamp and fixed on the outer side wall of the structure 1 and the outer side wall of the grabbing structure 2 adopt the specification of M16 (namely 6 nuts of M16). The adjusting nut T adopts the specification of M16.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A centrifugal pump shaft sleeve taking-out tool is characterized by comprising an annular clamp with an opening, a structure, a grabbing structure and a three-jaw puller structure;
the annular clamp and the structure are provided with fastening connecting pieces at two ends of the opening;
the grabbing structure is opposite to the annular clamp and the annular clamp structure, and the outer side wall of the annular clamp structure are connected with the grabbing structure through the three-jaw puller structure.
2. A centrifugal pump shaft sleeve extraction tool as recited in claim 1, wherein said fastening connection comprises: the fastening bolt assembly is matched with the first fastening nut and the second fastening nut;
the first fastening nut and the second fastening nut are respectively fixed on the two sides of the opening of the annular clamp and the structure; the first fastening nut and the second fastening nut are oppositely arranged, and the axial direction of the first fastening nut and the axial direction of the second fastening nut are vertical to the axial direction of the annular card and the structure.
3. A centrifugal pump shaft sleeve extraction tool as recited in claim 1, wherein said gripping structure is an annular structure;
the three-jaw puller structure is connected with the annular clamp, the outer side wall of the structure is connected with the outer side wall of the grabbing structure.
4. A centrifugal pump shaft sleeve extraction tool as recited in claim 1,
three groups of nuts which are oppositely arranged are dispersedly fixed on the outer side wall of the annular clamp and the structure at the position opposite to the grabbing structure;
the three-jaw puller structure comprises three bolts which are respectively matched with the three groups of oppositely arranged nuts.
5. The extraction tool for the shaft sleeve of the centrifugal pump as claimed in any one of claims 1 to 4, wherein an adjusting nut is fixedly arranged on the outer side wall of the annular clamp and the structure, and one end surface of the adjusting nut in the axial direction is fixedly connected with the outer side wall of the annular clamp and the structure.
6. A centrifugal pump shaft sleeve extraction tool according to any one of claims 1-4, wherein said annular snap and structure is a centrifugal pump shaft sleeve provided with an opening;
the grabbing structure is a centrifugal pump shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583004.4U CN214274059U (en) | 2020-08-03 | 2020-08-03 | Centrifugal pump shaft sleeve taking-out tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583004.4U CN214274059U (en) | 2020-08-03 | 2020-08-03 | Centrifugal pump shaft sleeve taking-out tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274059U true CN214274059U (en) | 2021-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021583004.4U Active CN214274059U (en) | 2020-08-03 | 2020-08-03 | Centrifugal pump shaft sleeve taking-out tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274059U (en) |
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2020
- 2020-08-03 CN CN202021583004.4U patent/CN214274059U/en active Active
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