CN115445696A

CN115445696A - Wearing and tearing welt subassembly

Info

Publication number: CN115445696A
Application number: CN202210640812.7A
Authority: CN
Inventors: 张磊
Original assignee: Resources United Co ltd
Current assignee: Tianjin Helian Technology Development Co.,Ltd.
Priority date: 2021-06-08
Filing date: 2022-06-07
Publication date: 2022-12-09
Also published as: AU2021221726B2; AU2021221726A1

Abstract

A wear liner assembly for a crusher is disclosed. The wear plate assembly has a working wear surface for exposure to the high wear environment of the crusher, the wear plate assembly including a base and a wear insert. The base has a first face and includes a cavity extending from an opening in the first face for receiving a wear insert. The cavity has sidewalls that include retaining shoulders for engaging the wear insert to retain the wear insert within the cavity. The wear insert has an insert wear surface that forms a portion of the wear surface.

Description

Wearing and tearing welt subassembly

Technical Field

The present invention relates to wear liners, and in particular to wear liner components of crushers.

The invention has been developed primarily as a wear liner assembly for jaw crushers and gyratory crushers and will be described with reference to these applications. It will be appreciated, however, that the invention is not limited to these applications.

Background

Wear liners are commonly used in materials handling and processing machinery to form a working surface that is subject to high wear and impact. Wear liners typically comprise extremely wear resistant materials to extend service life and are replaceable to facilitate refurbishment of the machine. Alloy materials such as high-chromium alloy materials have high wear resistance compared to materials such as manganese steel, and are therefore commonly used in wear parts of crushers to enhance wear resistance and thereby prolong service life.

However, materials with high wear resistance are often relatively brittle, and it is known practice to insert or attach wear resistant materials into a matrix formed of relatively tough but softer materials. For example, a wear insert made of an alloy material may be mechanically press-fit into the wear surface of the wear liner base. However, when the backing plate is deformed, the wear insert press-fit into the wear surface is prone to falling off or shifting.

In addition, wear inserts that are press fit into the wear surface are typically bonded to the wear plate base by a chemical adhesive. However, chemical adhesives often have poor heat resistance and therefore risk debonding at higher operating temperatures, which in turn may lead to dislodgement of the wear insert.

As will be appreciated, wear insert displacement leaves voids in the wear surface, which may reduce the wear resistance of the nearby area, thereby shortening the service life of the liner. In addition, the replacement and maintenance are time-consuming and labor-consuming, and sometimes can cause injury accidents.

In addition, wear inserts are typically limited to relatively small sizes in order to meet the required bond strength. In addition, smaller wear inserts are preferred over larger wear inserts because larger wear inserts are more prone to falling off or shifting than smaller wear inserts. However, wear inserts of smaller dimensions are relatively difficult to manufacture. It is more difficult to manufacture high precision small size wear inserts.

Disclosure of Invention

The present invention is directed to overcoming, or at least ameliorating, one or more of the disadvantages of the prior art.

According to one aspect of the present disclosure, there is provided a wear liner assembly for a crusher, the wear liner assembly having a working wear surface for exposure to a high wear environment of the crusher, the wear liner assembly comprising: a base body having a first face, the base body including a cavity extending from an opening in the first face for receiving a wear insert, the cavity having sidewalls including retaining shoulders for engaging the wear insert to retain the wear insert within the cavity; and the wear insert having an insert wear surface forming a portion of the wear surface.

In some embodiments, the first face forms a portion of the wear surface of the wear liner component.

In some embodiments, the cavity is open at a distal end to provide an insertion opening that enables insertion of at least one of the wear inserts into the cavity.

In some embodiments, the cavity is open at lateral ends of the cavity such that at least one of the wear inserts can be inserted into the cavity along an insertion axis that is substantially parallel to the first face.

In some embodiments, the retaining shoulder is disposed on an overhanging portion of the sidewall.

In some embodiments, the cavity extends along the insertion axis and has a cross-section perpendicular to the insertion axis, the cross-section having a first width and a second width, the first width being smaller and closer to the first face than the second width, thereby providing the retaining shoulder.

In some embodiments, the cross-section is substantially constant along the insertion axis.

In some embodiments, the wear insert has a cross-section corresponding to the cross-section of the cavity.

In some embodiments, the cavity includes a tapered portion between the first width and the second width.

In some embodiments, the wear insert is configured to be fully embedded into the cavity. In one embodiment, the wear insert may extend above or below the plane of the opening in the first face by no more than 20% of the height of the wear insert. In another embodiment, the wear insert may extend above or below the plane of the opening in the first face by no more than 10% of the height of the wear insert. In another embodiment, the wear insert may extend above or below the plane of the opening in the first face by no more than 5% of the height of the wear insert.

In some embodiments, the cavity is configured to receive a plurality of the wear inserts arrayed along the insertion axis.

In some embodiments, the substrate comprises an array of parallel spaced apart cavities.

In some embodiments, the substrate includes a recessed region recessed toward a second side of the substrate opposite the first side.

In some embodiments, the recessed region is in the form of a groove or channel.

In some embodiments, the cavity is enclosed in a protrusion of the base protruding from the recessed area.

In some embodiments, the matrix comprises a pair of said arrays around a central axis, each cavity being open at a lateral end to one side of the central axis.

In some embodiments, the base comprises a pair of the arrays, each cavity being open at a lateral end on a side of a periphery of the base.

In some embodiments, the insertion opening is in a second face of the base opposite the first face such that a wear insert can be inserted into the cavity along an insertion axis that is substantially perpendicular to the first face.

In some embodiments, the base and the wear insert are welded together.

According to another aspect of the present disclosure, a wear liner plate is provided, the wear liner plate including a base having a working wear face for exposure to a high wear environment of a crusher, the base including a cavity extending from an opening in the first face for receiving a wear insert, the cavity having a sidewall including a retaining shoulder for engaging the wear insert to retain the wear insert within the cavity.

According to another aspect of the present disclosure, there is provided a method of manufacturing the above-described wear liner assembly, the method comprising: providing the substrate; disposing the wear insert into the cavity; welding the wear insert and cavity together; and sealing the insertion opening.

Drawings

Preferred embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings, in which:

FIG. 1A is a perspective view of a wear plate assembly of a crusher;

figure 1B is a perspective view of the base of the wear plate assembly of figure 1A;

FIG. 1C is a top view of the substrate of FIG. 1B;

FIG. 1D is a cross-sectional view of the substrate of FIG. 1B;

figure 2A is a perspective view of another base of the wear liner assembly of figure 1A, and figure 2B is a top view of the base of figure 2A;

figure 3A is a perspective view of the wear insert of the wear liner assembly of figure 1A;

FIG. 3B is a cross-sectional view of several additional wear inserts;

FIG. 4A is a perspective view of the base shown in FIG. 1B receiving a wear insert;

FIG. 4B is a top view of the substrate of FIG. 4A;

figure 5A is a top view of the wear liner assembly of figure 1A;

figure 5B is a cross-sectional view of the wear liner of figure 1A;

FIG. 5C is another cross-sectional view of the wear liner of FIG. 1A;

figure 6A is a perspective view of an alternative wear liner assembly;

FIG. 6B is a front perspective view of the base of the wear liner assembly of FIG. 6A;

FIG. 6C is a rear perspective view of the base of FIG. 6B;

FIG. 6D is a bottom view of the base of FIG. 6B;

figure 7 is a perspective view of the wear insert of the wear liner assembly of figure 6A;

figure 8 is a perspective view of a plate to which the wear plate assembly of figure 6A may be mounted;

figure 9A is a cross-sectional view of the wear liner assembly of figure 6A;

figure 9B is another cross-sectional view of the wear liner assembly of figure 6A;

figure 10A is a side view of another wear plate assembly;

FIG. 10B is a perspective view of the base of FIG. 10A;

FIG. 10C is a top view of the substrate of FIG. 10A;

figure 11 is a cross-sectional view of the wear plate assembly of figure 10A;

figure 12A is a side view of another wear plate assembly;

figure 12B is a cross-sectional view of the wear plate assembly of figure 12A;

figure 12C is another cross-sectional view of the wear liner assembly of figure 12A;

fig. 13 is a partial perspective view of the crusher;

fig. 14 is a partial perspective view of another crusher;

figure 15A shows an enlarged partial view of a segment of the base of the wear liner assembly shown in figure 14 with the wear insert not shown;

figure 15B shows an enlarged partial view of a segment of the base of the wear liner assembly of figure 14 with the wear insert not shown;

FIG. 15C shows a top view and a cross-sectional view of a portion of FIG. 15A; and

figure 16 is a schematic view of a method of making a wear liner assembly.

Detailed Description

Figure 1A shows a wear liner assembly 10 of a crusher (not shown), such as a jaw crusher. The wear liner assembly 10 includes a working wear surface 12 for exposure to the high wear environment of the crusher. The wear liner assembly 10 includes a base 100 and a wear insert 102 received in the base 100. In some applications where the grinding mill is a jaw crusher, the wear liner assembly 10 is or is part of a fixed or movable jaw.

Figures 1B-1D illustrate the base body 100 with the wear insert not shown. As shown in fig. 1B, the substrate 100 may be in the form of a plate and have a first side 104. The cavity 106 extends from an opening 108 in the first face 104 for receiving the wear insert 102. The cavity 106 has a profile that prevents the wear insert from passing completely through the opening 108. In this regard, the cavity 106 has side walls 110 that include retaining shoulders for engaging the wear insert to retain the wear insert within the cavity 106. The first face 104 may form a portion of the wear surface 12 of the wear liner assembly.

The substrate 100 has an opposite, second side 112 opposite the first side 104. The second face may serve as an attachment surface for the base 100 for attaching the wear liner assembly 10 to a support structure (not shown) of the crusher.

In some embodiments, the base 100 includes a plurality of cavities for receiving wear inserts. For example, as shown in fig. 1B, the substrate 100 contains a plurality of cavities arranged in a pair-wise array of parallel spaced cavities 106 arranged about a central axis 114. In some embodiments, each cavity can receive one wear insert, however, as shown in figure 1A of the present example, each cavity is configured to receive a plurality of wear inserts 102 arranged in a linear array.

Referring to FIG. 1C, each cavity 106 has a first lateral end 116 to the side of the periphery of the base 100 and a second lateral end 118 to the side of the central axis 114 and opposite the first lateral end.

The cavity 106 includes an insertion opening that enables insertion of at least one wear insert 102 into the cavity along an insertion axis 120 that is substantially parallel to the first face 104. For example, in the arrangement of fig. 1B and 1C, the lateral end 116 of the cavity 106 is open to provide the insertion opening. In another arrangement, for example, in the embodiment shown in fig. 2A and 2B, the cavity 206 is open at a lateral end 218 on the side of the central axis 214 of the base 200, thereby providing an insertion opening. The basic body 200 of fig. 2A and 2B corresponds to the basic body 100 of fig. 1B and 1C, with the difference that the insertion openings of fig. 2A and 2B are arranged at the lateral end 218 on the side of the central axis 214 of the basic body 200, instead of at the lateral end 216 on the side of the outer circumference of the basic body.

In some embodiments, the retaining shoulder of sidewall 110 is formed as an overhang, thereby preventing the wear insert from backing out of opening 108 in first face 104. For example, referring to FIG. 1D,base:Sub>A cross-sectional view of the substrate 100 taken along line A-A of FIG. 1C is shown. The cavity 106 has a cross-section 124 perpendicular to the insertion axis 120. The cross-section 124 has a first width W1 and a second width W2. First width W1 is smaller and closer to first face 104 than second width W2, thereby providing a retaining shoulder that overhangs cavity 106, thereby preventing a wear insert corresponding to the shape of cavity 106 from coming out of opening 108 in first face 104.

Figure 3A illustrates a perspective view 300A of the wear insert 102 shown in figure 1A. The wear insert 102 has an insert wear surface 301, the wear surface 301 forming a portion of the wear surface 12 of the wear liner assembly 10.

In the arrangement of fig. 1A-1D, cavity 106 tapers between first width W1 and second width W2, and wear insert 102 has a correspondingly tapered profile, e.g., a trapezoidal shape 300A as shown in fig. 3A. However, the profile of the cavities and corresponding wear inserts are not limited to this arrangement. For example, in other embodiments, cavity 106 may be configured to accommodate other wear inserts having different cross-sections, such as inserts having triangular, rounded trapezoidal, diamond-shaped, circular, i-shaped, polygonal, or elliptical cross-sections. Figure 3B illustrates a cross-sectional view 300B of several additional wear inserts. Further, the shape of the wear insert may be geometrically different from the shape of the cavity, but still correspond to an extent that the wear insert is received and retained within the cavity so as to not be able to exit the opening of the first face 104. For example, cavity 106 may have a trapezoidal cross-section perpendicular to insertion axis 120, while wear insert has an i-shaped cross-section 302 as shown in FIG. 3B. This arrangement also prevents the wear insert from being removed from the opening 108 in the first face 104 without departing from the scope of the present disclosure.

In the present disclosure, the cross-section 124 is shown as being generally constant along the insertion axis 120. However, it should be understood that the cross-section 124 may also vary along the insertion axis 120 to receive multiple wear inserts having different cross-sections without departing from the scope of this invention.

Reference is now made to fig. 4A and 4B, which correspond to fig. 1B and 1C. Figures 4A and 4B illustrate a base body 100 with a plurality of wear inserts 102 received in cavities 106. Wear insert 102 is inserted into cavity 106 through an insertion opening at a first lateral end 116 to the side of the outer periphery of base 100. The insert opening at the first lateral end 116 may be sealed to retain the insert within the cavity 106, with a sealing material such as a manganese-containing material.

Wear insert 102 is more wear resistant than base 100. In some embodiments, the wear insert 102 is made of a highly wear resistant material such as an alloy. In some embodiments, the length of each wear insert 102 along insertion axis 120 is 300mm or less to facilitate insertion.

Referring now to figures 5A-5C, a top view, a cross-sectional view B-B, and a cross-sectional view C-C of the wear liner assembly 10 are shown, respectively. In this embodiment, the cross-section of wear insert 102 corresponds at least in part to the cross-section of cavity 106. As shown in fig. 5B and 5C, the wear insert is substantially fully embedded within the cavity such that the insert wear face 301 of each wear insert 102, which forms part of the wear face 12 of the wear plate assembly, is substantially level or flush with the material of the immediately surrounding matrix 100. Thereby, the wear insert is embedded in a manner that is substantially surrounded by the matrix on one or more lateral sides (preferably at least two lateral sides). This enables the matrix 100, which is preferably formed of a relatively tough, relatively tough material, such as manganese steel, to provide support to the relatively brittle wear insert 102 up to the insert wear face 301. As such, the wear surface 12 of the wear plate assembly 10 will include a region of wear insert and a region of base material. Generally, the matrix material will wear prior to the wear insert in use.

In some embodiments, such as shown in fig. 5A-5C, substrate 100 includes region 501. The region 501 is recessed toward the attachment face 112, forming a plurality of cuts 503 in the first face 104. Thus, the wear liner assembly 10 has a "corrugated" wear surface 12 that includes recessed areas 501 and raised areas 503 of the base. The recessed region 501 may be in the form of a groove or channel. In one embodiment, the raised areas are ridges separated by grooves or channels to form the corrugated wear surface 12. Referring to fig. 5C, each ridge may be a protrusion formed by the substrate material protruding from the recessed region 501 of the substrate. It should be appreciated that the cavity 106 receiving the wear insert 102 extends from the opening 108 in the upper surface of the projection such that the cavity (and wear insert) is surrounded by the projection such that the matrix material extends substantially to the insert wear face 301.

While in some embodiments wear inserts 102 are shown as being substantially completely embedded in cavity 106 such that the insert wear face of each wear insert 102 is substantially level or flush with the material of the immediately surrounding substrate 100, it should be understood that in other embodiments, the wear inserts 102 and cavities may be sized such that the wear inserts extend out of the plane of the opening or cavity 106. In other embodiments, the wear insert and the cavity may be sized such that the wear insert does not extend to the opening, and thus is below the surrounding matrix material. For example, wear insert 102 has a height H, as shown in figures 3A and 3B, and may be raised or lowered above or below the plane of opening 108 of cavity 106 by no more than 20% of H, or preferably no more than 10% of H, or more preferably no more than 5% of H.

Figure 6A shows a wear liner assembly 60 for a crusher (not shown), such as a jaw crusher. The wear liner assembly 60 includes a base 600 and a wear insert 602 received in the base 600. The wear plate assembly 60 has a working wear surface 62 for exposure to the high wear environment of the crusher. The wear liner assembly 60 may be part of the fixed or movable jaw of a jaw crusher.

Figures 6B-6C illustrate a base 600 with a wear insert not shown. As shown in fig. 6B, the substrate 602 has a first side 604. The cavity 606 extends from an opening 608 in the first face 604 for receiving the wear insert 602. The cavity 606 has sidewalls 610 that include retaining shoulders for engaging the wear insert to retain the wear insert within the cavity 606. The first face 604 may form a portion of the wear surface 62.

The substrate has an opposite, second side, opposite the first side 604. The second face may serve as an attachment face 612 for the base 600 for attaching the wear plate assembly to a support structure (not shown) of the crusher.

The cavity 606 extends to an insertion opening 616 in the attachment face 612, enabling insertion of a wear insert into the cavity along an insertion axis 620 that is substantially perpendicular to the first face 604.

In some embodiments, the substrate 600 comprises a plurality of cavities 606. Each cavity 606 receives a wear insert 602. The cavities may be arranged in a parallel spaced apart manner from one another or otherwise. It will be appreciated that the pattern and density of the arrangement of the cavities may vary depending on factors such as the size of the wear plate, the type and size of the material to be crushed, and the like.

Figure 7 is a perspective view of wear insert 602 shown in figure 6A. Wear insert 602 has an insert wear face 701, insert wear face 701 forming at least a portion of wear surface 62 in wear liner assembly 60.

In some applications where the crusher is a jaw crusher, as shown in fig. 8, the base body 600 may be attached to a back plate 800 to keep the wear inserts from falling out of the insertion openings. The base 600 may be fixed to the back plate 800 by bolts.

Figures 9A-9B illustrate cross-sectional views D-D and E-E of wear plate assembly 60.

In the embodiment shown in figures 9A and 9B, wear insert 602 is flush with cavity 606. It should be appreciated, however, that in some embodiments, depending on the size of the wear insert as compared to the cavity, the wear insert may protrude out of the cavity or sink into the cavity.

Referring to cross-sectional views E-E, each cavity 606 has a first width W1 and a second width W2. The first width is smaller and closer to the first face 604 than the second width, thereby providing a retaining shoulder that prevents the wear insert from backing out of the opening 608 in the first face 604. In some implementations, the cavity 606 includes a tapered portion between the first width and the second width.

Figures 10A-10C illustrate a wear liner assembly 1000 of a crusher (not shown), such as a gyratory crusher. The wear liner assembly 1000 includes a base 1001 and a wear insert 1002 received in the base 1001. The wear liner assembly is shown having a working wear surface for exposure to the high wear environment of the crusher.

Fig. 10B and 10C illustrate the matrix 1001 with the wear insert not shown. The base 1001 has a first face 1004. The cavity 1006a extends from an opening 1008 in the first face 1004 for at least partially receiving the wear insert 1002. Cavity 1006a has sidewalls 1010 that include retaining shoulders for engaging a wear insert to retain the wear insert within cavity 1006a. The first face 1004 may form a portion of the wear surface of the wear liner assembly 1000.

Cavity 1006a is open at end 1016 to provide an insertion opening that enables insertion of at least one wear insert into cavity 1006a.

The substrate has an opposite, second side, opposite the first side 1004. The second face may serve as an attachment face 1012 of the base 1001 for attaching the wear liner assembly 1000 to a support structure (not shown) of the crusher. The structure is, for example, a head of a gyratory crusher (not shown).

In some embodiments, the base 1001 is segmented into an upper portion 1003a and a lower portion 1003b. It should be appreciated that in some embodiments, the substrate 1001 may be a single piece structure. Sidewall 1005b of lower portion 1003b extends from its bottom edge 1007 to top edge 1009, which is configured to connect to bottom edge 1011 of upper portion 1003 a. Sidewall 1005a of upper portion 1003a extends from bottom edge 1011 to top edge 1013 thereof. Sidewall 1005a includes a plurality of cavities 1006a extending between a top rim 1013 and a bottom rim 1011 of upper portion 1003 a. Sidewall 1005b includes a plurality of cavities 1006b extending between a top rim 1009 and a bottom rim 1007 of lower portion 1003b. The

cavities

1006a and 1006b are circumferentially spaced about a central axis 1014 of the wear plate assembly 1000. In the arrangement of figures 10A-10C, cavity 1006b is sized differently than cavity 1006a for receiving a wear insert 1002' that is sized differently than the wear insert 1002. In another arrangement, the

cavities

1006a and 1006b have the same dimensions.

Figure 11 shows a cross-sectional view F-F of the wear liner assembly 1000 of figure 10A.

Figures 12A-12C illustrate a wear liner assembly 1200. Figure 12A shows a side view of a wear plate assembly 1200. Wear liner assembly 1200 includes a base that is segmented into an upper portion 1203a and a lower portion 1203 b. The upper portion 1203a includes a plurality of cavities 1206a spaced circumferentially about a central axis 1214. Each cavity 1206a receives at least one wear insert 1202a. The lower portion 1203b includes a plurality of cavities 1206b spaced circumferentially about the central axis 1214 of the wear liner assembly 1200. One set of two adjacent chambers 1206b may be close together and spaced apart from the other set. Each cavity 1206b receives at least one wear insert 1202b.

Figure 13 shows a partial view of a gyratory crusher 1300 including the wear liner assembly 1000 and the second wear liner assembly 1303 of figure 10A. The wear liner assembly 1000 and the second wear liner assembly 1303 may be a shell liner and a concave liner, respectively, of a gyratory crusher. A crushing chamber 1305 is formed between the wear liner assembly 1000 and the second wear liner assembly 1303. As the wear liner assembly 1000 rotates eccentrically relative to the wear liner assembly 1303, material fed into the crushing chamber 1305 from the opening 1307 of the second wear liner assembly 1303 is crushed. As shown in fig. 13, wear liner assembly 1303 includes a base 1307 that is horizontally segmented into three

segments

1313, 1315, and 1317 that each include a plurality of cavities 1311 that are circumferentially spaced from one another. Each cavity 1311 receives at least one wear insert 1319.

Figure 14 shows a partial view of a gyratory crusher 1400 including the wear liner assembly 1200 and the second wear liner assembly 1403 shown in figures 12A-12B. The wear liner assembly 1200 and the second wear liner assembly 1403 may be a shell liner and a concave liner, respectively, of a gyratory crusher. A crushing chamber 1405 is formed between wear liner component 1200 and second wear liner component 1403. As the wear liner assembly 1200 rotates eccentrically relative to the wear liner assembly 1403, material that is sent from the opening 1407 of the second wear liner assembly 1403 into the crushing chamber 1405 is crushed. As shown in fig. 14, the second wear liner component 1403 includes a base 1407 that is horizontally segmented into three

segments

1413, 1415, and 1417 that each include a plurality of circumferentially spaced apart cavities 1411. Each cavity 1411 receives at least one wear insert 1419.

Figure 15A shows a close-up view 1501 of

segments

1413, 1415, and 1417 of body 1407 of second wear liner component 1403 with the wear inserts not shown. Figure 15B shows a close up 1503 of

segments

1413, 1415, and 1417 of the body 1407 of the second wear liner component 1403 showing the wear insert.

FIG. 15C is a partial top view 1505 of a segment 1417 and a cross-sectional view I-I thereof. As shown in cross-sectional view I-I, wear insert 1419 protrudes slightly out of cavity 1411. It should be appreciated, however, that in some embodiments, depending on the size of the wear insert as compared to the cavity, the wear insert may be flush with the cavity or sunk into the cavity.

Figure 16 illustrates a method 1600 of manufacturing a wear liner assembly. The method begins at step 1601. In step 1601, a substrate is provided. The substrate may be prefabricated by casting. The base includes a cavity extending from an opening in one face of the base for receiving a wear insert. The cavity has sidewalls that include retaining shoulders for engaging the wear insert to retain the wear insert within the cavity. The cavity is open at a distal end to provide an insertion opening that enables insertion of at least one wear insert into the cavity.

In step 1603, the wear insert is slid into the cavity from the insert opening.

In step 1605, the wear insert and the cavity are welded together.

In step 1607, the insertion opening is sealed, for example by a manganese material.

The arrangement described above enables the wear insert to be slid into the wear liner to be retained therein. This arrangement is relatively easy to implement compared to a press fit or the use of a chemical adhesive.

The retaining shoulder enables the wear insert to be securely retained within the wear plate. By this arrangement, the wear insert held in the wear lining plate cannot easily fall off, which saves replacement or maintenance costs and avoids work risks in the replacement or maintenance process.

For the reasons described above, and the additional reason that the arrangement does not require a chemical adhesive to hold the wear insert, the wear insert can be made relatively large in practice, and thus is easy to manufacture.

Although specific embodiments of the invention have been illustrated and described herein, it will be appreciated by those of ordinary skill in the art that a variety of alternate and/or equivalent implementations exist. It should be appreciated that the exemplary embodiment or exemplary embodiments are only examples, and are not intended to limit the scope, applicability, or configuration of the invention in any way. Rather, the foregoing summary and the detailed description will provide those skilled in the art with a convenient road map for implementing at least one exemplary embodiment, it being understood that various changes may be made in the function and arrangement of elements described in an exemplary embodiment without departing from the scope as set forth in the appended claims and their legal equivalents. In general, this application is intended to cover any adaptations or variations of the specific embodiments discussed herein.

It will also be understood that, as used herein, the terms "comprises," "comprising," "includes/including," "contains/containing," "has/having" and any variations thereof, are intended to be interpreted in an inclusive (i.e., non-exclusive) sense such that a process, method, apparatus, device, or system described herein is not limited to the features or components or steps described, but may include other elements, features, components, or steps not expressly listed or inherent to such process, method, article, or device. Furthermore, the terms "a" and "an" as used herein are intended to be construed to mean one or more unless explicitly stated otherwise. Moreover, the terms "first," "second," and the like are used merely as labels, and are not intended to impose numerical requirements or establish a particular order of importance on their objects.

Claims

1. A wear liner assembly for a crusher, the wear liner assembly having a working wear surface for exposure to a high wear environment of the crusher, the wear liner assembly comprising:

a base having a first face, the base including a cavity extending from an opening in the first face for receiving a wear insert, the cavity having a sidewall including a retaining shoulder for engaging the wear insert to retain the wear insert within the cavity; and

the wear insert having an insert wear surface that forms a portion of the wear surface.

2. The wear liner assembly of claim 1, wherein the cavity is open at an end to provide an insertion opening that enables insertion of at least one of the wear inserts into the cavity.

3. The wear pad assembly of claim 2, wherein the cavity is open at lateral ends of the cavity such that at least one of the wear inserts can be inserted into the cavity along an insertion axis that is substantially parallel to the first face.

4. The wear pad assembly of any one of claims 1-3 wherein the retaining shoulder is seated on an overhang portion of the sidewall.

5. The wear pad assembly of claim 3, wherein the cavity extends along the insertion axis and has a cross-section perpendicular to the insertion axis, the cross-section having a first width and a second width, the first width being smaller and closer to the first face than the second width, thereby providing the retaining shoulder.

6. The wear pad assembly of claim 5, wherein the cross-section is substantially constant along the insertion axis.

7. The wear pad assembly of claim 5 or 6, wherein the wear insert has a cross-section that corresponds with the cross-section of the cavity.

8. The wear pad assembly of any one of claims 5-7, wherein the cavity includes a tapered portion between the first width and the second width.

9. The wear pad assembly of any one of claims 1-8, wherein the wear insert is configured to be fully embedded into the cavity.

10. The wear pad assembly of any one of claims 1-9 wherein the base includes a recessed region recessed toward a second face of the base opposite the first face.

11. The wear pad assembly of claim 10, wherein the recessed area is in the form of a groove or channel.

12. The wear pad assembly of claim 10 or 11, wherein the cavity is enclosed in a protrusion of a base that protrudes from the recessed area.

13. The wear pad assembly of any one of claims 3-12, wherein the cavity is configured to receive a plurality of the wear inserts arrayed along the insertion axis.

14. The wear pad assembly of claim 13 wherein the base includes an array of the cavities spaced in parallel.

15. The wear pad assembly of claim 14, wherein the base includes a pair of the arrays about a central axis, each cavity being open at a lateral end to one side of the central axis.

16. The wear pad assembly of claim 14 wherein the base includes a pair of the arrays, each cavity being open at a lateral end to a side of a periphery of the base.

17. The wear pad assembly of claim 2, wherein the insertion opening is in a second face of the base opposite the first face such that a wear insert can be inserted into the cavity along an insertion axis that is substantially perpendicular to the first face.

18. The wear pad assembly of any one of claims 1-17, wherein the base and the wear insert are welded together.

19. A wear liner including a base having a working wear surface for exposure to a high wear environment of a crusher, the base including a cavity extending from an opening in the wear surface for receiving a wear insert, the cavity having sidewalls including retaining shoulders for engaging the wear insert to retain the wear insert within the cavity.

20. A method of making the wear pad assembly of claim 1, the method comprising:

providing the substrate;

disposing the wear insert into the cavity;

welding the wear insert and cavity together; and

the insertion opening is sealed.