High-strength double-material cutter ring

By using a dual-material cutter ring structure, combined with alloy and high-chromium steel materials, the problem of insufficient wear resistance and impact resistance of traditional cutter rings is solved, achieving high strength and wear resistance, extending the service life of the cutter ring, and improving work efficiency.

CN224049166UActive Publication Date: 2026-03-27NANCHANG LITONG GEOTECHNICAL ENG EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional blade rings suffer from insufficient wear resistance, poor impact resistance, and inadequate hardness. The wear-resistant coating is not firmly attached to the blade ring, leading to severe wear, frequent replacements, and impacting project progress.

Method used

It adopts a dual-material blade ring structure, with the base and outer ring made of alloy materials. The inner ring and reinforcing ring are connected to the outer ring through grooves. The outer ring is made of high-chromium steel and combined with bimetallic casting process to enhance the bonding strength and wear resistance.

Benefits of technology

It improves the overall strength and wear resistance of the cutter ring, extends its service life, reduces the replacement frequency, and improves work efficiency.

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Abstract

The utility model discloses a high-strength double-material cutter ring, which belongs to the technical field of cutter rings of mining equipment, and adopts the technical scheme that the high-strength double-material cutter ring comprises a base body, reinforcing ring layers are respectively arranged on two sides of the base body, an inner ring layer is arranged on the base body and is positioned between the two reinforcing ring layers, and the inner ring layer is positioned between the two reinforcing ring layers. Grooves are formed in the positions, between the inner ring layer and the two reinforcing ring layers, of the base body, outer ring layers are arranged on the two grooves, and the outer ring layers cover the inner ring layer and are connected with the reinforcing ring layers. According to the scheme, the overall strength and wear resistance of the cutter ring are improved, the service life of the cutter ring is prolonged, the cutter ring does not need to be replaced frequently, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mining equipment knife ring technical field, concretely is a high strength double material knife ring. BACKGROUND

[0002] In the existing excavating equipment, the knife ring is one of the core components, and its performance directly affects the working efficiency and service life of the equipment, however, the traditional knife ring often has problems of insufficient wear resistance and poor impact resistance, and the hardness of the knife ring is not enough, and the wear-resistant coating is not firmly connected with the knife ring, and the knife ring appears delamination or even peeling off, resulting in serious wear phenomenon of the knife ring after long time use, thereby increasing the frequency of replacing the knife ring, affecting the engineering progress, in view of this, a high strength double material knife ring is provided. SUMMARY

[0003] In view of the problems in the prior art, the utility model aims at providing a high strength double material knife ring, which improves the overall strength and wear resistance of the knife ring, prolongs the service life of the knife ring, and improves the working efficiency without frequent replacement of the knife ring.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a high strength double material knife ring, comprising a base body, two reinforcing ring layers are arranged on the two sides of the base body, an inner ring layer is arranged between the two reinforcing ring layers on the base body, a groove is arranged between the inner ring layer and the two reinforcing ring layers on the base body, an outer ring layer is arranged on the two grooves, and the outer ring layer covers the inner ring layer and is connected with the reinforcing ring layer.

[0005] In some embodiments, a plurality of connecting grooves are formed on the inner ring layer, the connecting grooves comprise accommodating spaces, and the two sides of the accommodating spaces are provided with bevels.

[0006] In some embodiments, four penetration holes are formed in the plurality of connecting grooves, and the four penetration holes are equidistantly located at different positions.

[0007] In some embodiments, the base body, the reinforcing ring layer and the inner ring layer are all made of alloy material.

[0008] In some embodiments, the outer ring layer is made of high chromium steel material.

[0009] In some embodiments, a plurality of groove holes extending into the base body are formed in the groove.

[0010] In summary, the utility model has the following beneficial effects:

[0011] The utility model discloses a base body and outer ring layer two different metal's combination to utilize the cooperation of reinforcing ring layer and two grooves, make outer ring layer and inner ring layer close combination, ensure the integrity of cutter ring, improve the overall strength, wear resistance degree and impact resistance of cutter ring, prolong the service life of cutter ring, do not need frequently replace cutter ring, improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic diagram of the utility model;

[0013] Figure 2 It is the sectional view of the utility model;

[0014] Figure 3 It is the overall structure schematic diagram of the base body of the utility model.

[0015] In the drawing: 1, base body;11, reinforcing ring layer;12, groove;13, inner ring layer;14, connecting groove;141, containing space;142, bevel;15, infiltration hole;2, outer ring layer. DETAILED DESCRIPTION

[0016] In the description of the utility model, it needs to explain, the orientation or position relation that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. are based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element that is indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and can not be understood as indicating or implying relative importance.

[0017] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the terms "installation", "connection", "connection" should be broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] To make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific embodiments and referring to the drawings. It should be understood that these descriptions are only exemplary, and not to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0019] Referring to Figures 1-3 A high-strength double-material cutter ring comprises a base body 1, two reinforcing ring layers 11 arranged on the two sides of the base body 1, an inner ring layer 13 arranged between the two reinforcing ring layers 11 on the base body 1, one groove 12 arranged between the inner ring layer 13 and the two reinforcing ring layers 11 on the base body 1, and an outer ring layer 2 arranged on the two grooves 12. The outer ring layer 2 covers the inner ring layer 13 and is connected with the reinforcing ring layers 11. The base body 1, the reinforcing ring layers 11 and the inner ring layer 13 are all made of alloy materials, and the outer ring layer 2 is made of high-chromium steel material. The cutter ring is manufactured by using a double-metal casting composite process, and the outer ring layer 2 is tightly combined with the base body 1 through the limiting of the grooves 12 and the reinforcing ring layers 11. The outer ring layer 2 is made of high-chromium steel material and has high strength and high wear resistance, so that the outer ring layer 2 can effectively resist wear in a high-strength working environment. The base body 1 and the outer ring layer 2 form a double-material whole, so that the cutter ring has good toughness and impact resistance, and the service life of the cutter ring is prolonged, and the cutter ring does not need to be frequently replaced, thereby improving work efficiency.

[0020] In some embodiments, a plurality of connecting grooves 14 are arranged on the inner ring layer 13. The connecting grooves 14 comprise accommodating spaces 141, and the two sides of each accommodating space 141 are provided with inclined edges 142. The connecting grooves 14 are trapezoidal in shape. The connecting grooves 14 are connected with the outer ring layer 2 in the two grooves 12 through the accommodating spaces 141, and the inclined edges 142 are wrapped around the outer ring layer 2, so that the base body 1 tightly holds the outer ring layer 2, the combination strength of the base body 1 and the outer ring layer 2 is improved, and the integrity of the base body 1 and the outer ring layer 2 is ensured.

[0021] In some embodiments, four penetration holes 15 are arranged in the plurality of connecting grooves 14, and the four penetration holes 15 are equidistantly arranged at different positions. Figure 1 The four penetration holes 15 are respectively arranged in the front left, front right, top and bottom directions, and the penetration holes 15 are not penetrated between each other, so that the internal integrity of the base body 1 is not damaged. The outer ring layer 2 can penetrate into the inside of the base body 1 through the penetration holes 15, so that the combination strength of the outer ring layer 2 and the base body 1 is further improved, and the integrity of the cutter ring is improved.

[0022] In some embodiments, a plurality of slot holes extending into the base body 1 are arranged on the grooves 12. When an operator processes the outer ring layer 2 on the base body 1, the outer ring layer 2 can enter the inside of the base body 1 through the slot holes on the grooves 12, so that the overall combination of the outer ring layer 2 and the base body 1 is enhanced, and the integrity of the cutter ring is improved.

[0023] The specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, the utility model is protected by the patent law.

Claims

1. A high strength double material race, characterized by: The utility model relates to a high-temperature resistant and wear-resistant alloy material layer, including base (1), both sides of base (1) are provided with reinforcing ring layer (11), the inside of base (1) is provided with inner ring layer (13) between two reinforcing ring layer (11), the between inner ring layer (13) and two reinforcing ring layer (11) of base (1) is provided with a groove (12) respectively, two groove (12) are provided with outer ring layer (2), outer ring layer (2) covers inner ring layer (13) and is connected with reinforcing ring layer (11).

2. A high strength double material knife ring as claimed in claim 1, wherein: Multiple connecting grooves (14) are arranged on the inner ring layer (13), the connecting groove (14) includes an accommodating space (141), the two sides of the accommodating space (141) are provided with bevels (142), and the connecting groove (14) is trapezoidal as a whole.

3. A high strength double material knife ring as claimed in claim 2, wherein: Multiple connecting grooves (14) are arranged on the inner ring layer (13), the connecting groove (14) includes an accommodating space (141), the two sides of the accommodating space (141) are provided with bevels (142), and the connecting groove (14) is trapezoidal as a whole.

4. A high strength bi-metal race as set forth in claim 1, wherein: The base (1), the reinforcing ring layer (11) and the inner ring layer (13) are all made of alloy material.

5. A high strength bi-metal race as defined in claim 1, wherein: The outer ring layer (2) is made of high-chromium steel material.

6. A high strength bi-metal race as defined in claim 1, wherein: Multiple groove holes extending into the base (1) are arranged on the groove (12).