CN216883588U

CN216883588U - Clamping tool for bearing grinding ring of axial flow pump

Info

Publication number: CN216883588U
Application number: CN202220571622.XU
Authority: CN
Inventors: 汪鸿
Original assignee: Sichuan Zigong Industrial Pump Co ltd
Current assignee: Sichuan Zigong Industrial Pump Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-07-05
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a clamping tool for a bearing grinding ring of an axial flow pump, which comprises: the tool main body is provided with a concave part matched with the shape of the grinding ring, and a fixing part is arranged around the concave part; the locking piece is matched with the fixing part, and when the locking piece is matched with the fixing part, the locking piece limits the grinding bearing ring; the supporting piece is fixed on the tool main body and used for hoisting the clamping tool; inlay the dress to holding through the depressed part of frock main part to grinding the ring, then carry on spacingly through the fixed part to holding grinding the ring, frock main part with hold grinding the ring and form fixed knot and construct, then hoist frock main part and hold grinding the ring through hoist and mount support piece, realize carrying out the clamping to holding grinding the ring.

Description

Clamping tool for bearing grinding ring of axial flow pump

Technical Field

The utility model relates to the field of clamping tools, in particular to a clamping tool for a bearing grinding ring of an axial flow pump.

Background

In order to ensure the operating efficiency of the axial flow pump and reduce the maintenance cost, a wear ring convenient to repair and replace is usually arranged at the running part of an impeller of the axial flow pump, and belongs to a quick-wear part of the axial flow pump, the wear ring is usually made of stainless steel materials such as 316L, and the wear ring is difficult to clamp by adopting a conventional chuck jaw clamping mode due to the fact that the wear ring is soft in material and thin in wall when turning a vertical lathe, so that the machining size and precision can not be ensured, and even deformation and scrap are caused. Meanwhile, due to the limitation of the working table surface of the vertical lathe, the axial turning of the wear-bearing ring cannot be finished at one time, and the perpendicularity tolerance between the diameter and the end surface is difficult to guarantee if the turning is carried out for the second time; the produced bearing ring is often unstable in quality and low in processing efficiency;

therefore, a tool for conveniently clamping the wear-resisting ring is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems, the utility model provides a clamping tool for an axial flow pump bearing grinding ring,

the technical scheme adopted by the utility model is as follows:

first aspect, the application provides a axial-flow pump bearing grinds clamping frock for ring, includes: the tool main body is provided with a concave part matched with the shape of the grinding ring, and a fixing part is arranged around the concave part; the locking piece is matched with the fixing part, and when the locking piece is matched with the fixing part, the locking piece limits the grinding bearing ring; and the supporting piece is fixed on the tool main body and used for hoisting the clamping tool. Inlay the dress to holding through the depressed part of frock main part to grinding the ring, then carry on spacingly through the fixed part to holding grinding the ring, frock main part with hold grinding the ring and form fixed knot and construct, then hoist frock main part and hold grinding the ring through hoist and mount support piece, realize carrying out the clamping to holding grinding the ring.

In some embodiments of this application, the frock main part encircles the depressed part is provided with first step, the depressed part includes being close to the second step of first step, first step is higher than the second step, the fixed part sets up on the first step, the border that holds the grinding ring sets up on the second step, just the thickness that holds the grinding ring equals the difference in height of first step with the second step. The ring that grinds includes border and main part, and the border diameter is greater than the diameter of main part, can realize the preliminary fixed to the ring that grinds of bearing through setting up the border on the second step, can inject the ring that grinds and not produce lateral displacement.

In some embodiments of the present application, the recessed portion further includes a first bore in communication with the bore of the wear ring. The cutter processing is convenient.

In some embodiments of the present application, the fixing portion includes a first screw hole, and the locking member includes a first bolt fitted into the first screw hole. The bearing and grinding ring is limited in the vertical direction through the locking piece in the vertical direction.

In some embodiments of the present application, the locking member further includes a locking plate, and the first bolt is fixed in the first screw hole after passing through the locking plate, wherein the locking plate after being installed is at least partially located in the range of the recess. The locking disc can be directly clamped with the upper surface of the grinding ring, so that the grinding ring is fixed.

In some embodiments of the present application, the number of the first screw holes is multiple, and the first screw holes are uniformly distributed around the recessed portion. The stability of the overall structure can be improved.

In some embodiments of this application, the quantity of supporting part is a plurality of, and even interval distribution is in frock main part is all around.

In some embodiments of the present application, the supporting member is provided with a second screw hole, and the second screw hole is used for installing a hanging ring.

The utility model has the beneficial effects that:

Drawings

FIG. 1 is a schematic view of a clamping structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a structural diagram of a clamping tool for an axial flow pump bearing ring according to the present invention;

FIG. 4 is a structural view of a wear ring of the present invention;

fig. 5 is a partially enlarged schematic view of a clamping tool for an axial flow pump bearing ring according to the present invention in example 2.

Description of specific element symbols:

1-wear ring, 2-tool body, 11-edge, 21-supporting part, 22-fixing part, 23-second step, 24-first step, 221-locking disc, 222-first bolt and 223-limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. The following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical", "suspended", and the like do not imply that the components are required to be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to fig. 4, the present embodiment provides a clamping tool for a bearing ring of an axial flow pump, including: the tool main body 2 is provided with a concave part matched with the shape of the wear-bearing ring 1, and a fixing part 22 is arranged around the concave part; the locking piece is matched with the fixing part 22, and when the locking piece is matched with the fixing part 22, the locking piece limits the grinding bearing ring 1; and the supporting piece is fixed on the tool main body 2 and used for hoisting the clamping tool. Inlay the dress to holding grinding ring 1 through the depressed part of frock main part 2, then carry on spacingly through fixed part 22 to holding grinding ring 1, frock main part 2 forms fixed knot with holding grinding ring 1 and constructs, then hoists frock main part 2 and hold grinding ring 1 through hoist and mount support piece, realizes carrying out the clamping to holding grinding ring 1.

In some embodiments of this application, the tool main body 2 encircles the depressed part is provided with first step 24, the depressed part includes the second step 23 that is close to first step 24, first step 24 is higher than second step 23, fixed part 22 sets up on first step 24, the border 11 of wear ring 1 sets up on second step 23, just the thickness of wear ring 1 equals the difference in height of first step 24 with second step 23. The wear ring 1 comprises an edge 11 and a main body part, the diameter of the edge 11 is larger than that of the main body, the edge 11 is arranged on the second step 23 to realize preliminary fixation of the wear ring 1, and the wear ring 1 can be limited not to generate transverse displacement.

In some embodiments of the present application, the recess further comprises a first inner bore, which communicates with the inner bore of the wear ring 1. The cutter processing is convenient.

In some embodiments of the present application, the fixing portion 22 includes a first screw hole, and the locking member includes a first bolt 222 adapted to the first screw hole. The grinding ring 1 is limited in the vertical direction through the locking piece in the vertical direction.

In some embodiments of the present application, the locking member further includes a locking plate 221, and the first bolt 222 is fixed in the first screw hole after passing through the locking plate 221, wherein the installed locking plate 221 is at least partially located in the range of the recess. The locking disc 221 can be directly clamped with the upper surface of the wear ring 1, so that the wear ring 1 can be fixed.

In some embodiments of the present application, the number of the first screw holes is multiple, and the first screw holes are uniformly distributed around the recessed portion. The stability of the overall structure can be improved. More specifically, the number of the first screw holes is 6, and the first screw holes are distributed around the concave part in an array manner.

In some embodiments of the present application, the number of the supporting portions 21 is multiple, and the supporting portions are evenly distributed around the tool main body 2 at intervals.

In some embodiments, the size and part of the structure of the clamping tool can be changed correspondingly according to the actual size and shape of the wear ring 1, and the clamping tool can be manufactured and matched according to vertical lathes of different specifications, but the structure and principle of the clamping tool are unchanged.

After the axial flow pump bearing ring 1 is fixed on the bearing ring 1 by a clamping tool, the axial flow pump bearing ring 1 can be directly turned once when the inner wall of the bearing ring 1 is machined; the turning machine is used for turning the axial flow pump bearing ring 1, is simple to manufacture and low in cost, and can effectively improve the processing quality of the bearing ring 1, reduce the defective rate and improve the working efficiency.

Example 2

On the basis of the clamping tool for an axial flow pump bearing ring provided in embodiment 1, in this embodiment, in order to improve the actual operation convenience of the clamping tool, the locking disc 221 disclosed in embodiment 1 is optimally designed, as shown in fig. 5, as follows:

an arc-shaped notch is formed in one side of the locking disc 221 and is tangent to the outer diameter of the edge 11, so that when the arc-shaped notch of the locking disc 221 is tangent to the edge 11, the abrasion ring 1 can be smoothly detached and taken out, otherwise, after the locking disc 221 rotates in the reverse direction for 180 degrees, the locking disc 221 can compress the abrasion ring 1, and the abrasion ring 1 is compressed and fixed.

In a further optimized technical scheme, two limit blocks 223 are symmetrically arranged on the side surface of one side of the locking disc 221, limit slot holes correspondingly matched with the two limit blocks 223 are formed in the corresponding end surface of the tool main body 2, when the tool main body is applied, the limit blocks 223 on one side of the locking disc 221 are embedded into the corresponding limit slots, the first bolt 222 is screwed, and at the moment, the wear-bearing ring 1 can be tightly pressed and fixed through the locking disc 221; on the contrary, when the wear ring 1 needs to be disassembled, the first bolt 222 is only required to be loosened by a certain distance (compared with the comparison document 1, the first bolt 222 does not need to be completely screwed out), and after the locking disc 221 is rotated by 180 degrees, the arc-shaped notch of the locking disc 221 faces the edge 11, and at this time, the wear ring 1 can be rapidly disassembled and taken out.

Having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing detailed disclosure is to be considered as illustrative only and not limiting of the application. Various modifications, improvements and adaptations to the present application may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present application and thus fall within the spirit and scope of the exemplary embodiments of the present application.

Also, this application uses specific language to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, certain features, structures, or characteristics may be combined as suitable in one or more embodiments of the application.

Similarly, it should be noted that in the preceding description of embodiments of the present application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.

Numerals describing the number of components, attributes, etc. are used in some embodiments, it being understood that such numerals used in the description of the embodiments are modified in some instances by the use of the modifier "about", "approximately" or "substantially". Unless otherwise indicated, "about", "approximately" or "substantially" indicates that the number allows a variation of ± 20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximations that may vary depending upon the desired properties of the individual embodiments. In some embodiments, the numerical parameter should take into account the specified significant digits and employ a general digit preserving approach. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the range are approximations, in the specific examples, such numerical values are set forth as precisely as possible within the scope of the application.

For each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, the entire contents of which are hereby incorporated by reference into this application, except for application history documents that are inconsistent with or conflict with the contents of this application, and except for documents that are currently or later become incorporated into this application as though fully set forth in the claims below. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the present disclosure.

The technical solutions provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only used to help understanding the method and the core ideas of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides an axial-flow pump bearing grinds clamping frock for ring which characterized in that includes:

the fixture body is provided with a sunken part matched with the shape of the grinding ring, and a fixing part is arranged around the sunken part;

the locking piece is matched with the fixing part, and when the locking piece is matched with the fixing part, the locking piece limits the grinding bearing ring;

and the supporting piece is fixed on the tool main body and used for hoisting the clamping tool.

2. The axial flow pump bearing ring clamping tool according to claim 1, wherein the tool body is provided with a first step around the recess, the recess comprises a second step close to the first step, the first step is higher than the second step, the fixing portion is arranged on the first step, the edge of the bearing ring is arranged on the second step, and the thickness of the bearing ring is equal to the height difference between the first step and the second step.

3. The axial-flow pump bearing ring clamping tool according to claim 2, wherein the recessed portion further comprises a first inner hole, and the first inner hole is communicated with the inner hole of the bearing ring.

4. The axial flow pump bearing ring clamping tool according to claim 1, wherein the fixing portion comprises a first screw hole, and the locking member comprises a first bolt matched with the first screw hole.

5. The axial flow pump bearing ring clamping tool according to claim 4, wherein the locking member further comprises a locking disc, the first bolt penetrates through the locking disc and then is fixed in the first threaded hole, and at least part of the installed locking disc is located in the range of the recessed portion.

6. The axial flow pump bearing ring clamping tool according to claim 4, wherein the number of the first screw holes is multiple and the first screw holes are evenly distributed around the recessed portion.

7. The axial flow pump bearing and grinding ring clamping tool according to claim 1, wherein the number of the supporting pieces is multiple, and the supporting pieces are evenly distributed around the tool body at intervals.

8. The axial-flow pump bearing and grinding ring clamping tool according to claim 1, wherein a second screw hole is formed in the supporting piece and used for installing a lifting ring.