CN204754928U - 一种耐磨截齿 - Google Patents
一种耐磨截齿 Download PDFInfo
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- CN204754928U CN204754928U CN201520481199.4U CN201520481199U CN204754928U CN 204754928 U CN204754928 U CN 204754928U CN 201520481199 U CN201520481199 U CN 201520481199U CN 204754928 U CN204754928 U CN 204754928U
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- Prior art keywords
- pick
- cutting pick
- conical
- concave curved
- head
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- 238000005275 alloying Methods 0.000 claims abstract description 9
- 239000008188 pellets Substances 0.000 claims abstract description 9
- 239000010410 layers Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims description 43
- 238000005299 abrasion Methods 0.000 abstract description 4
- 229910045601 alloys Inorganic materials 0.000 description 3
- 239000000956 alloys Substances 0.000 description 3
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nMzAwcHgnIGhlaWdodD0nMzAwcHgnIHZpZXdCb3g9JzAgMCAzMDAgMzAwJz4KPCEtLSBFTkQgT0YgSEVBREVSIC0tPgo8cmVjdCBzdHlsZT0nb3BhY2l0eToxLjA7ZmlsbDojRkZGRkZGO3N0cm9rZTpub25lJyB3aWR0aD0nMzAwJyBoZWlnaHQ9JzMwMCcgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgZG9taW5hbnQtYmFzZWxpbmU9ImNlbnRyYWwiIHRleHQtYW5jaG9yPSJzdGFydCIgeD0nMTMzLjA1NScgeT0nMTU2LjYnIHN0eWxlPSdmb250LXNpemU6NDBweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjtmaWxsOiMzQjQxNDMnID48dHNwYW4+QWw8L3RzcGFuPjx0c3BhbiBzdHlsZT0nYmFzZWxpbmUtc2hpZnQ6c3VwZXI7Zm9udC1zaXplOjMwcHg7Jz4rMzwvdHNwYW4+PHRzcGFuPjwvdHNwYW4+PC90ZXh0Pgo8L3N2Zz4K data:image/svg+xml;base64,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 [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本实用新型公开了一种耐磨截齿，包括有截齿主体和固定在截齿主体前端部的截齿头，其中所述的截齿主体前端部的表面堆焊有合金颗粒层，所述的截齿头由锥形工作段和柱形连接段构成，锥形工作段由前端的凸曲面圆锥段与后端的凹曲面圆锥段构成，凸曲面圆锥段与后端的凹曲面圆锥段之间平滑过渡，凹曲面圆锥段与柱形连接段连接。本实用新型结构合理简单、耐磨性强、使用寿命长。
Description
技术领域
[0001] 本实用新型涉及一种采气掘机具领域，具体是指一种耐磨截齿。
背景技术
[0002] 锥形截齿主要用于工程机械的矿采及采煤作业，其结构是在截齿体上设有硬质合金头，被称为截齿头，截齿头使用段时间后，由于不能再有效地对截齿主体起到保护作用，造成截齿体被过度的磨损，截齿主体没有完全发挥作用的情况下，就会致使截齿头过早脱落，造成截齿及截齿头的整体报废。此时，仍有相当部分的截齿头未被使用消耗，造成不必要的浪费，造成这种现象的主要原因就是因为，现有的截齿主体没有保护截齿头的关系，耐磨性不够强。
发明内容
[0003] 本实用新型的目的是克服现有技术的不足提供一种结构合理简单、耐磨性强、使用寿命长的耐磨截齿。
[0004] 为实现上述目的，本实用新型所采用的技术方案是:一种耐磨截齿，包括有截齿主体和固定在截齿主体前端部的截齿头，其中所述的截齿主体前端部的表面堆焊有合金颗粒层，所述的截齿头由锥形工作段和柱形连接段构成，锥形工作段由前端的凸曲面圆锥段与后端的凹曲面圆锥段构成，凸曲面圆锥段与后端的凹曲面圆锥段之间平滑过渡，凹曲面圆锥段与柱形连接段连接。
[0005] 进一步地，所述的合金颗粒层为2 — 5mm厚。
[0006] 进一步地，所述的截齿主体由前端的锥形段和后端的柱形连杆段构成，在所述锥形段的端部开有轴向盲孔，截齿头的柱形连接段插接在轴向盲孔内固定。
[0007] 本实用新型结构合理简单，使用方便，安全可靠。特别是，在截齿主体前端部的表面堆焊有合金颗粒层，使截齿耐冲击，提高了耐磨性，延长了使用寿命，经反复实验证明，其使用寿命比进口截齿长1.5倍以上，成本低于进口截齿，因使用寿命的延长，减少了因更换截齿需要停机而造成的停广损失。
[0008] 下面结合附图和具体实施方式对本实用新型进行详细说明。
附图说明
[0009] 图1是本实用新型的主视结构示意图。
[0010] 图2为图1的A —A向剖视图。
具体实施方式
[0011] —种耐磨截齿，包括有截齿主体3和固定在截齿主体3如έ而部的截齿头I，其中所述的截齿主体3由前端的锥形段3-1和后端的柱形连杆段3-2构成，在所述锥形段3-1的端部开有轴向盲孔，截齿主体3的材质可采用42crm0合金钢，所述的截齿主体锥形段3_1的端部的锥表面堆焊有合金颗粒层2，合金颗粒层2为2 — 5mm厚，合金颗粒2可采用Y G8 C合金，所述的截齿头I由锥形工作段和柱形连接段1-3构成，锥形工作段由前端的凸曲面圆锥段1-1与后端的凹曲面圆锥1-2段构成，凸曲面圆锥段1-1与后端的凹曲面圆锥段1-2之间平滑过渡，凹曲面圆锥段1-2与柱形连接段1-3连接，截齿头I的柱形连接段1-3插接在轴向盲孔内通过焊机将截齿头I与截齿主体3焊接在一起，截齿头I可采用硬质合金粉烧结后用模具夺铸成型。
[0012] 本实用新型是通过实施例进行描述的，本领域技术人员知悉，在不脱离本实用新型的精神和范围的情况下，可以对这些特征和实施例进行各种改变或等效替换。因此，本实用新型不受此处所公开的具体实施例的限制，所有落入本申请的权利要求范围内的实施例都属于本实用新型的保护范围。
Claims (3)
1.一种耐磨截齿，包括有截齿主体和固定在截齿主体前端部的截齿头，其特征是所述的截齿主体前端部的表面堆焊有合金颗粒层，所述的截齿头由锥形工作段和柱形连接段构成，锥形工作段由前端的凸曲面圆锥段与后端的凹曲面圆锥段构成，凸曲面圆锥段与后端的凹曲面圆锥段之间平滑过渡，凹曲面圆锥段与柱形连接段连接。
2.根据权利要求1所述的一种耐磨截齿，其特征是所述的合金颗粒层为2 — 5mm厚。
3.根据权利要求1所述的一种耐磨截齿，其特征是所述的截齿主体由前端的锥形段和后端的柱形连杆段构成，在所述锥形段的端部开有轴向盲孔，截齿头的柱形连接段插接在轴向盲孔内固定。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587876A (zh) * | 2017-09-28 | 2018-01-16 | 浙江华莎驰机械有限公司 | 一种矿用截齿 |
| CN107630663A (zh) * | 2017-08-11 | 2018-01-26 | 江苏中科大港激光科技有限公司 | 一种兼具耐磨性和韧性的旋挖齿及其制备方法 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630663A (zh) * | 2017-08-11 | 2018-01-26 | 江苏中科大港激光科技有限公司 | 一种兼具耐磨性和韧性的旋挖齿及其制备方法 |
| CN107587876A (zh) * | 2017-09-28 | 2018-01-16 | 浙江华莎驰机械有限公司 | 一种矿用截齿 |
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