CN217873454U - Centrifugal pump installation fixed knot constructs - Google Patents
Centrifugal pump installation fixed knot constructs Download PDFInfo
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- CN217873454U CN217873454U CN202221797906.7U CN202221797906U CN217873454U CN 217873454 U CN217873454 U CN 217873454U CN 202221797906 U CN202221797906 U CN 202221797906U CN 217873454 U CN217873454 U CN 217873454U
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- pump
- pump body
- drive side
- centrifugal pump
- guide block
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Abstract
The utility model discloses a centrifugal pump installation fixed knot constructs, join in marriage respectively on pump foot department and the support through at pump body drive side and bore first semicircle groove and second semicircle groove, then connect in the connecting hole at radial direction through the cylindric lock, so, can carry out radial fastening to the drive side of the pump body, the axial thermal deformation major part that makes the pump body is towards the non-drive side of the pump body, reduce the axial thermal deformation of pump body drive side, the effort that the cylindric lock produced the thermal expansion of the pump body simultaneously shifts to the better base of rigidity, also, with simple structure restraint pump body inflation direction, make it expand along axial direction all the time, the restriction pump body is toward drunkenness all around, improve the pump body and drive device's centering precision, avoid appearing pump shaft vibration and shell and shake and increase, and then lead to the situation of the wearing and tearing aggravation of pump mouth ring, a structure is simple, and convenient processing.
Description
Technical Field
The utility model relates to a technical field of centrifugal pump specifically is a centrifugal pump installation fixed knot constructs.
Background
The centrifugal pump is a pump for conveying a liquid by centrifugal force generated when an impeller rotates. When the centrifugal pump is used under the high temperature working condition, because the pump body can produce the inflation deformation phenomenon after being heated, prior art only adopts the bolt fixed with the pump body and base lug connection usually, its deformation direction has the axial also radially promptly when the pump body produces the inflation deformation phenomenon, be the uncontrolled multidirectional deformation of a complicacy, because the motor that is located the drive side of pump is fixed on the base through the fastener, the output shaft of motor is connected with the pump shaft of pump, through the operation of motor drive pump, when this kind of multidirectional deformation of pump produces, lead to the pump body to appear the deviation with the motor centering easily, thereby arouse pump shaft vibration and shell to shake the increase, and then lead to the wearing and tearing aggravation of pump mouth ring.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centrifugal pump installation fixed knot constructs guides the deformation direction of the pump body, has solved among the prior art because the pump body produces the inflation deformation direction uncontrolled after being heated, leads to the pump body and the deviation appears in the motor centering easily to arouse pump shaft vibration and shell to shake and increase, and then lead to the problem of the wearing and tearing aggravation of pump mouth ring.
In order to achieve the above object, the utility model provides a following technical scheme:
a centrifugal pump mounting and fixing structure comprises a pump body, a base and supports, wherein pump feet are arranged on the pump body, two supports are arranged on the base at intervals, the pump body is arranged between the two supports, and the pump feet are erected on the upper end face of each support and fastened through a first connecting piece;
the lower terminal surface of pump foot is equipped with first semicircular groove, the up end of support is equipped with the second semicircular groove, first semicircular groove with correspond the second semicircular groove can dock and form the connecting hole, the connecting hole is close to the drive side of the pump body and edge the radial direction of the pump body arranges, be connected with the second connecting piece in the connecting hole.
Furthermore, the bottom of the pump body is provided with a first guide block, a second guide block is arranged at a corresponding position on the base, a concave part is arranged at the lower end of the first guide block, a convex part matched with the concave part is arranged at the upper end of the second guide block, and the convex part is arranged along the axial direction of the pump body.
Further, the second connecting piece is a cylindrical pin.
Further, the first connecting piece is a bolt.
Furthermore, the number of the bolts is four, and the four bolts are respectively connected with the support.
Further, the support is in a quadrangular frustum pyramid shape.
The utility model provides a centrifugal pump installation fixed knot constructs, through join in marriage respectively on pump foot department and the support of pump body drive side and bore first semicircle groove and second semicircle groove, then the supporting cylindric lock of packing into in the connecting hole, because, the connecting hole is located the drive side of the pump body and is located the outside of bolt, so, when the bolt compresses tightly the pump foot on the support, the cylindric lock forms and inlays block locking structure, be equivalent to form a stiff end at pump body drive side, the non-drive side is just the free end, the axial expansion deformation that produces when the pump body is heated just faces pump body non-drive side like this, equivalent to reduced the axial deflection between pump body drive side and the drive arrangement, the effort that the cylindric lock produced the pump body thermal expansion simultaneously shifts to the base that rigidity is better, also, with simple structural constraint guide pump body expansion direction, make it expand along the axial all the time and towards non-drive side direction; the pump body is restricted toward the drunkenness all around by combining the first guide block and the second guide block that set up, improves the centering precision of the pump body and drive device, avoids appearing pump shaft vibration and shell and shakes the increase, and then leads to the situation of the wearing and tearing aggravation of pump port ring, its simple structure, and processing is convenient.
Drawings
Fig. 1 is a schematic perspective view of a centrifugal pump mounting and fixing structure in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another view angle of the centrifugal pump mounting and fixing structure in the embodiment of the present invention;
fig. 3 is a schematic structural view of another perspective of the centrifugal pump mounting and fixing structure in the embodiment of the present invention;
fig. 4 is a schematic structural view of a connection hole in an embodiment of the present invention;
fig. 5 is an enlarged schematic view at a in fig. 3.
In the figure: 1. a pump body; 2. a base; 3. a support; 101. a pump foot; 102. a first connecting member; 103. a first semicircular groove; 104. a first guide block; 105. a recess; 201. a second guide block; 202. a convex portion; 301. A second semi-circular groove; 302. a second connecting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 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.
Referring to fig. 1 to 5, an embodiment of the present invention provides a centrifugal pump mounting and fixing structure, including a pump body 1, a base 2 and a support 3, wherein the base 2 is used for supporting the whole fixing structure, the support 3 is disposed on the base 2, the pump body 1 is provided with two pump feet 101, the two support 3 are disposed on the base 2 at intervals, the pump body 1 is disposed between the two support 3, and the pump feet 101 are erected on the upper end surface of the support 3 and fastened through a first connecting piece 102, generally, the pump feet 101 and the support 3 in the prior art are fastened and connected through bolts as the first connecting piece 102; the lower end face of the pump foot 101 is provided with a first semicircular groove 103, the upper end face of the support 3 is provided with a second semicircular groove 301, the first semicircular groove 103 and the corresponding second semicircular groove 301 can be butted to form a connecting hole, the connecting hole is close to the driving side of the pump body 1 and is arranged along the radial direction of the pump body 1, and a second connecting piece 302 is connected in the connecting hole; combine the first guide block and the second guide block restriction pump body 1 that set up toward drunkenness all around, improve the centering precision of the pump body 1 and drive device, avoid appearing pump shaft vibration and shell and shake and increase, and then lead to the situation of the wearing and tearing aggravation of pump mouth ring, its simple structure, processing is convenient.
Specifically, the bottom of the pump body 1 is provided with a first guide block 104, a second guide block 201 is arranged at a corresponding position on the base 2, the lower end of the first guide block 104 is provided with a concave portion 105, the upper end of the second guide block 201 is provided with a convex portion 202 matched with the concave portion 105, and the convex portion is arranged along the axial direction of the pump body 1, so that the first guide block 104 and the second guide block 201 are matched with each other to resist the thermal deformation of the pump body 1, the concave portion 105 and the convex portion 202 of the first guide block 104 and the second guide block 201 are designed to be in transition fit, and the pump body 1 is easy to process, low in cost and convenient to install.
The bolts in this embodiment are four, and four bolts are connected with support 3 respectively to compress tightly four positions of pump foot 101 and support 3 and be connected, guarantee the steadiness that the pump body 1 is fixed. Further, the support 3 is in a quadrangular frustum pyramid shape, the size of the lower part of the support 3 is large, and the size of the upper part of the support is small, so that the stable supporting force of the support 3 is ensured, and the structural interference when the pump body 1 is connected with the support 3 can be avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a centrifugal pump installation fixed knot constructs which characterized in that: the pump comprises a pump body, a base and two supports, wherein pump feet are arranged on the pump body, the two supports are arranged on the base at intervals, the pump body is arranged between the two supports, and the pump feet are erected on the upper end surfaces of the supports and are fastened through a first connecting piece;
the lower terminal surface of pump foot is equipped with first semicircular groove, the up end of support is equipped with the second semicircular groove, first semicircular groove with correspond the second semicircular groove can dock and form the connecting hole, the connecting hole is close to the drive side of the pump body and follows the radial direction of the pump body arranges, be connected with the second connecting piece in the connecting hole.
2. A centrifugal pump mounting and fixing structure according to claim 1, wherein: the bottom of the pump body is provided with a first guide block, a second guide block is arranged at a corresponding position on the base, a concave part is arranged at the lower end of the first guide block, a convex part matched with the concave part is arranged at the upper end of the second guide block, and the convex part is arranged along the axial direction of the pump body.
3. A centrifugal pump mounting and fixing structure according to claim 2, wherein: the second connecting piece is a cylindrical pin.
4. A centrifugal pump mounting and fixing structure according to claim 3, wherein: the first connecting piece is a bolt.
5. A centrifugal pump mounting and fixing structure according to claim 4, wherein: the bolts are four, and the four bolts are respectively connected with the support.
6. A centrifugal pump mounting and fixing structure according to claim 5, wherein: the support is in a quadrangular frustum pyramid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221797906.7U CN217873454U (en) | 2022-07-12 | 2022-07-12 | Centrifugal pump installation fixed knot constructs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221797906.7U CN217873454U (en) | 2022-07-12 | 2022-07-12 | Centrifugal pump installation fixed knot constructs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873454U true CN217873454U (en) | 2022-11-22 |
Family
ID=84050062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221797906.7U Active CN217873454U (en) | 2022-07-12 | 2022-07-12 | Centrifugal pump installation fixed knot constructs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873454U (en) |
-
2022
- 2022-07-12 CN CN202221797906.7U patent/CN217873454U/en active Active
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