CN211974968U - Novel toothholder with high wear resistance - Google Patents
Novel toothholder with high wear resistance Download PDFInfo
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- CN211974968U CN211974968U CN202020455218.7U CN202020455218U CN211974968U CN 211974968 U CN211974968 U CN 211974968U CN 202020455218 U CN202020455218 U CN 202020455218U CN 211974968 U CN211974968 U CN 211974968U
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- wear
- denticle
- tooth
- resisting
- toothholder
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Abstract
The utility model provides a novel toothholder with high wear resistance, including the denticle, the inside of denticle is provided with the tooth cover that is used for installing the pick, is provided with wearing and tearing detection device on the tooth cover, and the terminal surface of denticle is provided with the wear-resisting ring of carbide, and the wear-resisting ring of carbide exceeds denticle terminal surface 0.1 ~ 0.2mm, and the side of denticle is provided with wear-resisting structure, and wear-resisting structure covers highly for more than the 1/2 of denticle total height on the denticle. The utility model discloses utilize at the wear-resisting structure that tooth body terminal surface newly-increased carbide wear ring reaches to its tooth body easily wear part and carry out the protection, promoted its wear resistance greatly, effectively prolong its life, the change frequency of toothholder with greatly reduced, the cost reduces to some extent, also promotes the work efficiency of machine greatly. Meanwhile, the abrasion detection device can be used for effectively monitoring the abrasion conditions of the gear sleeve, the gear body and the cutting tooth, so that the service life of the whole structure is prolonged, the design is reasonable, the structure is simple, and the device is suitable for large-scale pushing.
Description
Technical Field
The utility model belongs to the technical field of mine engineering machine tool, especially, relate to a novel toothholder with high wear resistance.
Background
The drum shearer generally adopts a spiral drum for coal dropping and loading, the spiral drum comprises a wheel, a drum shell, a spiral blade, an end disc, a tooth holder, cutting teeth and the like, and the tooth holders on the spiral blade and the end disc are provided with cutter-shaped or pick-shaped cutting teeth. Cutting picks are tools that directly crush coal, and cutting picks not only cut coal but also sometimes cut a bedding or a top low-grade rock during operation. Wherein the cutting pick is arranged on the tooth holder through the cutting pick sleeve, and the tooth holder is welded on the roller.
In the prior art, the abrasion phenomenon is serious because the cutting teeth, the cutting tooth sleeve and the tooth holder have poor abrasion resistance. The toothholder on the roller tooth assembly is used as a tool for connecting the roller, the tooth sleeve and the cutting tooth, and the friction of the tooth sleeve on the end surface of the roller, the friction of coal cinder and crushed stone on the tooth body of the roller, and the roller tooth assembly is extremely easy to wear and scrap. And because the tooth holder and the roller are welded together, the working condition environment is severe, and the working space is narrow, once the tooth holder is worn and scrapped, the tooth holder is very troublesome and dangerous to replace, and the cost is high, so the improvement of the tooth holder is necessary.
CN201721708293.4 discloses a shearer drum tooth assembly, which comprises a pick holder, wherein the pick holder is provided with a through hole for inserting a pick sleeve, and the pick sleeve is internally provided with a through hole for inserting a pick base body; the surface of the top end of the pick holder is provided with a key groove, and the surface of the bottom end of the pick sleeve is provided with an inserting key matched with the key groove. The device is convenient for monitor and maintenance through the sensitive detection pick wearing and tearing condition, can help the operator in time and rationally change toothholder, tooth cover or pick, but does not effectively protect toothholder and tubular metal resonator.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem that foretell cylinder tooth subassembly exists, provide a reasonable in design, simple structure, wearability higher, can reduce engineering cost and have a novel toothholder that has high wearability that the function was detected in wearing and tearing.
In order to achieve the purpose, the utility model discloses a technical scheme do, the utility model provides a pair of novel toothholder with high wear resistance, including the denticle, the inside of denticle is provided with the facing that is used for installing the pick, be provided with the wearing and tearing detection device on the facing, the terminal surface of denticle is provided with the wear-resisting ring of carbide, the wear-resisting ring of carbide exceeds denticle terminal surface 0.1 ~ 0.2mm, the side of denticle is provided with wear-resisting structure, wear-resisting structure covers highly more than 1/2 for the denticle total height on the denticle.
Preferably, the wear detection device comprises a metal pipe, a lead and a resistor, wherein the output end of the lead is provided with a power supply and an ammeter, and the metal pipe extends from the inner wall of the tooth sleeve, extends inside the tooth holder and penetrates out of the tail of the tooth holder.
Preferably, the wear-resistant structure is at least one of a wear-resistant layer, wear-resistant alloy particles or cemented carbide pillars.
Preferably, the diameter of the hard alloy wear-resistant ring is larger than the maximum diameter of the end part of the gear sleeve.
Compared with the prior art, the utility model has the advantages and positive effects that,
the utility model provides a pair of novel toothholder with high abrasion resistance utilizes at the wear-resisting structure that the newly-increased carbide wear ring of tooth body terminal surface reaches to its tooth body easily wear part and carry out the protection, has promoted its wear resistance greatly, effectively prolongs its life, and the change frequency of toothholder is with greatly reduced, and the cost reduces to some extent, also promotes the work efficiency of machine greatly. Simultaneously, this device utilizes the wearing and tearing condition that wearing and tearing detection device can effectively monitor tooth cover, pick body and pick to extension overall structure's life, reasonable in design, simple structure are fit for promoting on a large scale.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is an isometric view of a novel toothholder with high wear resistance provided by an embodiment;
FIG. 2 is a front view of a novel tooth holder with high wear resistance provided by an embodiment;
in the above figures, 1, a tooth body; 2. a gear sleeve; 3. a hard alloy wear ring; 4. a wear resistant structure; 5. a wear detection device; 51. a metal tube; 52. and (4) conducting wires.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
The embodiment, as shown in fig. 1 and 2, the utility model provides a pair of novel toothholder with high wear resistance, including the pick body 1, the inside of pick body 1 is provided with the facing 2 that is used for installing the pick, be provided with wearing and tearing detection device 5 on the facing, the terminal surface of pick body 1 is provided with carbide wear ring 3, carbide wear ring 3 exceeds pick body terminal surface 0.1 ~ 0.2mm, the side of pick body 1 is provided with wear-resisting structure 4, wear-resisting structure 4 covers highly for the total high 1/2 of pick body more on the pick body. Wherein, the abrasion detection device 5 at least includes a metal tube 51, a wire 52 and a resistor (not shown in the figure), and the output end of the wire is provided with a power supply and an ammeter. The utility model discloses the focus is to the wear resistance of toothholder structure and is improved to this change frequency that reduces the toothholder, and then the work efficiency of promotion machine, reduce cost.
Specifically, the utility model provides a carbide wear ring 3 constitutes the wear-resisting system of protection toothholder with wear-resisting structure 4. The hard alloy wear-resistant ring 3 with the characteristics of high hardness and high wear resistance is used for effectively resisting the friction of coal cinder and broken stone on the tooth body, and particularly fully protecting the end face of the tooth body and the end face of the gear sleeve. The wear-resistant structure 4 can effectively cover the great part of the tooth body directly bearing impact and friction, so that the wear resistance of the side surface of the tooth body is improved, the service life of the tooth body is effectively prolonged, and the purpose of reducing the replacement frequency of the tooth holder is achieved. Because the utility model discloses an improvement that goes on after a large amount of toothholders service behavior of analysis, the position that easily wears out when will the actual work has reasonable wear-resisting to cover. The utility model discloses a wear-resisting form has the multiple, can select the most suitable scheme to different geology and operating mode environment. Under the corresponding prerequisite, the utility model discloses a wearability will accomplish the optimization. Along with the utility model discloses toothholder wear resistance's promotion, its use quantity can reduce to some extent, and engineering cost also can descend thereupon.
In order to give full play to the monitoring effect of wearing and tearing detection device, the tubular metal resonator of considering wearing and tearing detection device 5 among the prior art exposes the area great, the utility model discloses carry out interior protection to wearing and tearing detection device's tubular metal resonator 51, wire 52 and resistance. The metal tube 51 extends from the inner wall of the gear sleeve inside the gear seat and out of the tail of the gear seat. The metal pipe 51 can be effectively protected by arranging the metal pipe in the tooth body, abrasion is avoided, and electric parts such as the resistance of the lead 52 in the metal pipe are protected, so that the effective working quality of the whole abrasion detection device is ensured.
In order to improve the wear resistance of the wear-resistant structure, the utility model provides a wear-resistant structure 4 is one of wearing layer, wear-resistant alloy granule or carbide post at least. The wear-resistant structures of the wear-resistant layer, the wear-resistant alloy particles and the hard alloy cylindrical tooth body are good in wear resistance, and the tooth body can be reasonably protected. The wear-resistant layer and the wear-resistant alloy particles can be arranged on the surface of the tooth body in a surfacing mode, and the hard alloy column can be arranged on the surface of the tooth body in a brazing mode. It should be noted that the wear-resistant structure of the tooth body in the device is a surfacing wear-resistant layer, a surfacing alloy particle wear-resistant layer or a brazing alloy column under the best condition, but other structures and manners capable of effectively improving the wear resistance of the tooth body can be adopted.
In order to improve the protection capability of the hard alloy wear-resistant ring 3, the diameter of the hard alloy wear-resistant ring 3 in the device is larger than the maximum diameter of the end part of the gear sleeve, so that the end surface of the gear sleeve is effectively shielded or covered, and the end surface of the gear sleeve is prevented from directly contacting with mineral grinding materials.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a novel toothholder with high wearability, includes the denticle, the inside of denticle is provided with the facing that is used for installing the pick, be provided with wearing and tearing detection device on the facing, its characterized in that, the terminal surface of denticle is provided with the wear-resisting ring of carbide, the wear-resisting ring of carbide exceeds denticle terminal surface 0.1 ~ 0.2mm, the side of denticle is provided with wear-resisting structure, wear-resisting structure's cover height on the denticle is more than 1/2 for the denticle total height.
2. The novel tooth socket with high wear resistance as claimed in claim 1, wherein the wear detection device comprises a metal tube, a lead and a resistor, the output end of the lead is provided with a power supply and an ammeter, and the metal tube extends from the inner wall of the tooth socket, inside the tooth socket and out of the tail of the tooth socket.
3. The new type of tooth holder with high wear resistance as claimed in claim 2, wherein said wear resistant structure is at least one of wear resistant layer, wear resistant alloy particles or cemented carbide posts.
4. The novel tooth holder with high wear resistance as claimed in claim 3, wherein the diameter of the hard alloy wear ring is larger than the maximum diameter of the end of the tooth sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020455218.7U CN211974968U (en) | 2020-04-01 | 2020-04-01 | Novel toothholder with high wear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020455218.7U CN211974968U (en) | 2020-04-01 | 2020-04-01 | Novel toothholder with high wear resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211974968U true CN211974968U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020455218.7U Active CN211974968U (en) | 2020-04-01 | 2020-04-01 | Novel toothholder with high wear resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211974968U (en) |
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2020
- 2020-04-01 CN CN202020455218.7U patent/CN211974968U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221214 Address after: 252000 Floor 3, Office Building, No. 7, Songhuajiang Road, Liaocheng Economic and Technological Development Zone, Shandong Province Patentee after: Shandong Ruizuan Drilling Tools Co.,Ltd. Address before: 252000 7 Songhua River Road, Liaocheng economic and Technological Development Zone, Shandong Patentee before: SHANDONG RUIZUAN ENGINEERING EQUIPMENT CO.,LTD. |
|
| TR01 | Transfer of patent right |