CN220248342U - Cutting ring for piston type industrial pump - Google Patents

Abstract

The utility model provides a cutting ring for a piston type industrial pump, which comprises an annular matrix and a hard alloy ring, wherein at least two annular grooves are formed in the side wall of one side of the annular matrix, one annular groove is arranged close to the inner side edge of the annular matrix, the other annular groove is arranged close to the outer side edge of the annular matrix, the hard alloy ring is embedded in each annular groove, and the outer circumferential surface and the inner circumferential surface of the annular matrix are respectively covered with a build-up welding layer; according to the cutting ring for the piston type industrial pump, the annular groove is formed in the side wall of the annular substrate to install the hard alloy ring, meanwhile, the build-up welding layers are arranged on the outer circumferential surface and the inner circumferential surface of the annular substrate, and the build-up welding layers and the hard alloy ring are arranged, so that two protection layers are arranged for the annular substrate, the frequency of the annular substrate needing to be replaced is greatly reduced, the service life of the cutting ring is correspondingly prolonged, and the reliability and the stability of the whole industrial pump are improved.

Description

Cutting ring for piston type industrial pump

Technical Field

The utility model relates to the technical field of piston type industrial pumps, in particular to a cutting ring for a piston type industrial pump.

Background

When the traditional cutting ring pumps fine aggregate with higher hardness such as tailings, the outer circumferential surface and the inner circumferential surface of the cutting ring are quickly worn and thinned due to long-time material flushing in the use process, so that the inner wall and the matrix are perforated, and even slurry leakage occurs, thereby increasing the replacement frequency of the cutting ring and reducing the reliability and stability of the whole industrial pump.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the cutting ring for the piston type industrial pump, which aims to solve the problems in the background art.

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

the utility model provides a cutting ring for piston industrial pump, includes annular base member and carbide ring, be provided with two at least annular grooves on the lateral wall of annular base member one side, one of them the annular groove is close to the inboard border of annular base member sets up, another the annular groove is close to the outside border of annular base member sets up, the annular groove has inlayed respectively the carbide ring in, the outer periphery and the inner periphery of annular base member are last to be covered respectively and to have the weld overlay.

In one embodiment, the center point of the cemented carbide ring coincides with the center point of the annular base body.

In one embodiment, the annular base body and the cemented carbide ring are joined by brazing.

In one embodiment, the surfaces of the two sides of the annular substrate, the hard alloy ring and the build-up layer are respectively provided with a hard alloy layer.

Compared with the prior art, the cutting ring for the piston type industrial pump has the advantages that the annular groove is formed in the side wall of the annular substrate to install the hard alloy ring, meanwhile, the build-up layers are arranged on the outer circumferential surface and the inner circumferential surface of the annular substrate, materials are enabled to be in contact with the build-up layers preferentially, the build-up layers are enabled to be in contact with the hard alloy ring after being worn, the annular substrate can be worn truly after the hard alloy ring is worn, the build-up layers and the hard alloy ring are arranged, the frequency of replacement of the annular substrate is reduced correspondingly, the service life of the cutting ring is prolonged correspondingly, and the reliability and stability of the whole industrial pump are improved.

Drawings

FIG. 1 is a schematic view of a partial top view of the present utility model;

fig. 2 is a schematic view of a partial cross-sectional structure of the present utility model.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

As shown in figures 1 and 2 of the drawings,

the utility model provides a cutting ring for piston industrial pump, including annular base member 1 and carbide ring 2, be provided with two annular grooves 3 on the lateral wall of annular base member 1 one side, one of them annular groove 3 is close to the inboard border setting of annular base member 1, another annular groove 3 is close to the outside border setting of annular base member 1, two annular grooves 3 are embedded respectively in have carbide ring 2, the outer periphery and the inner periphery of annular base member 1 are last to be covered respectively and to have build-up layer 4, through set up annular groove 3 in order to install carbide ring 2 on the lateral wall of annular base member 1, set up build-up layer 4 on the outer periphery and the inner periphery of annular base member 1 simultaneously, make the material take precedence and build-up layer 4 contact, wait for build-up layer 4 to be worn and then with carbide ring 2 to contact, just can truly be worn and torn after carbide ring 2 is worn and then, through setting up layer 4 and carbide ring 2 have set up for annular base member 1, on the other hand, because the purpose that the surface of carbide can't realize is unable to realize, consequently, build-up layer 4 is just at the surface of annular base member 1, even if the annular base member 2 is replaced with the annular base member 2 through setting up layer 2, the purpose of 2 is also can be realized with the annular base member 2 when the wear-resistant ring 2 is greatly, the wear-resistant frequency is greatly reduced when the annular base member is required to be replaced, the annular base member is more difficult to be worn and more difficult than the annular base member is worn down, and has been realized.

Preferably, the center point of the cemented carbide ring 2 coincides with the center point of the annular base 1, so that the cemented carbide ring 2 can more uniformly protect the body portion of the annular base 1 at various angles without the occurrence of the eccentric wear phenomenon.

In the embodiment, the annular substrate 1 and the hard alloy ring 2 are connected by brazing, and the tight connection between the annular substrate 1 and the hard alloy ring 2 is realized by adopting a brazing mode, so that the connection strength between the annular substrate 1 and the hard alloy ring 2 is effectively improved.

Preferably, in order to improve the wear resistance of the two sides of the whole cutting ring, the surfaces of the two sides of the annular substrate 1, the hard alloy ring 2 and the build-up welding layer 4 are respectively provided with the hard alloy layers 5, so that the annular substrate 1 can be protected in an omnibearing manner, and the service life of the annular substrate 1 is further prolonged.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (4)

1. A cutting ring for a piston type industrial pump, characterized in that: the novel hard alloy welding device comprises an annular substrate and a hard alloy ring, wherein at least two annular grooves are formed in the side wall of one side of the annular substrate, one annular groove is close to the inner side edge of the annular substrate, the other annular groove is close to the outer side edge of the annular substrate, the hard alloy ring is embedded in the annular grooves respectively, and a build-up layer is covered on the outer circumferential surface and the inner circumferential surface of the annular substrate respectively.

2. A cutting ring for a piston type industrial pump according to claim 1, wherein the center point of the cemented carbide ring coincides with the center point of the annular base body.

3. A cutting ring for a piston industrial pump as described in claim 2, wherein said annular base and carbide ring are joined by brazing.

4. A cutting ring for a piston type industrial pump as claimed in claim 3, wherein the surfaces of both sides of the annular base body, the cemented carbide ring and the build-up layer are respectively provided with cemented carbide layers.