CN102619929A - Gear speed reducing box - Google Patents
Gear speed reducing box Download PDFInfo
- Publication number
- CN102619929A CN102619929A CN2012100909458A CN201210090945A CN102619929A CN 102619929 A CN102619929 A CN 102619929A CN 2012100909458 A CN2012100909458 A CN 2012100909458A CN 201210090945 A CN201210090945 A CN 201210090945A CN 102619929 A CN102619929 A CN 102619929A
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- gear
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- reduction box
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Abstract
The invention discloses a gear speed reducing box, which comprises a gearbox, wherein the gearbox comprises a gear body, a main gear and four small gears, wherein the inner side of the gear body is provided with inner teeth, in addition, the inner teeth are spread all over the inner side of the whole gear body, the inner teeth are 89 conical teeth, the diameter of the tooth top circle of the gear body is 87mm, the diameter of the tooth root circle is 91.5mm, a shaft hole is arranged in the center of the main gear, the shaft hole is in a shape of a reference circle, the diameter of the reference circle is 33mm, the diameter of the tooth top circle of the main gear is 34.8mm, the diameter of the reference root circle is 30.3mm, the diameter of the tooth top circle of the small gears is 28.8mm, and the diameter of the reference root circle is 24.3mm. The invention provides the gear speed reducing box with high load carrying capability, the investment cost is reduced, and the operation cost is reduced.
Description
Technical field
The present invention relates to a kind of gear reduction box, relate in particular to a kind of high load bearing capacity, the gear reduction box that cost of investment is low.
Background technique
Having many uses of gear is the strength member in the various machinery, all will use various gears like the wrist-watch used in lathe, aircraft, steamer and the daily life, electric fan etc.The kind of gear is a lot, and spur gear wheel, cylindric spiral gear, spiral gear, straight toothed bevel gear, spiral bevel gear, worm gear etc. are arranged.Wherein use morely, also better simply is spur gear wheel, claims standard cylinder gear again.Parameters such as the formation of relevant gear involute, modulus, pressure angle are with in relevant course, introducing.Here mainly introduce the processing method of spur gear wheel, the processing method of the form of gear tooth has two kinds.A kind of is forming method, utilizes the method that cuts out profile of tooth with the profiling cutter that is conformed to fully by the gear cutting machine slot form exactly, like mill teeth; Another kind is a generating method, and it is to utilize being meshing with each other motion of gear cutting tool and driven gear and cut out the processing method of profile of tooth, like gear hobbing and gear shaping (demonstrating with hobboing cutter and slotting tool).Introduce method below with the milling machine Machining of Gear.Gear is the intermeshing mechanical parts that tooth is arranged of ability, and its application in mechanical transmission and whole mechanical field is extremely extensive.O.004～100 millimeter modern gear technique reaches: module; Gear diameter is by 1 millimeter～150 meters; Transmitted power can reach 100,000 kilowatts; Change scooter hundreds of thousands rev/min; The highest peripheral velocity reaches 300 meter per seconds.The application of gear in transmission occurred very early.In first three more than hundred years Christian era, the Aristotle of Ancient Greece man has just set forth the problem with bronze or cast iron gear transferring rotational motion in " mechanical problem ".Used a whole set of train in the vehicle pointing to the south of China's ancient invention.But, traditional gear is cast with the timber manufacturing or with metal, and the rotation motion between can only passing shaft can not guarantee the stationarity of transmission, and the bearing capacity of gear is also very little.
Summary of the invention
The object of the present invention is to provide a kind of gear reduction box, have the high load bearing capacity, reduce cost of investment, reduced operating cost.
Technological scheme of the present invention is: a kind of gear reduction box, and said gear reduction box comprises gear-box, said gear-box comprises gear body, master gear and 4 small gears; Said gear body inboard is provided with internal tooth and is covered with the inboard of whole gear body, and the described internal tooth number of teeth is 89 awl teeth, and the tip diameter of said gear body is 87 millimeters; Root diameter is 91.5 millimeters; Said master gear center is provided with axis hole, and said axis hole shape is a standard pitch circle, and said calibration diameter of a circle is 33 millimeters; The tip diameter of said master gear is 34.8 millimeters; Dividing Root diameter is 30.3 millimeters, and the tip diameter of said small gear is 28.8 millimeters, and dividing Root diameter is 24.3 millimeters.The material of said gear reduction box is that nickel is 1.5-2%, and copper is 1-2%, and molybdenum is 0.4-0.6%, and carbon is 0.3-0.6%, and iron is 95.3-96.3%, and described gear reduction box is through a compression moulding of metallic dust.
In preferred embodiment of the present invention, the hardness on said gear reduction box surface is 30-40HRC.
In preferred embodiment of the present invention, the density of said gear reduction box is 6.8-7g/cm
3
A kind of gear reduction box of the present invention has the high load bearing capacity, reduces cost of investment, has reduced operating cost.
Description of drawings
Accompanying drawing 1 is the perspective view of gear reduction box one preferred embodiment of the present invention.
The mark of each parts is following in the accompanying drawing: 1, gear body, 2, master gear, 3, small gear.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1, Fig. 1 is a kind of gear reduction box of the present invention, and said gear reduction box comprises gear-box; Said gear-box comprises gear body, master gear and 4 small gears, and said gear body inboard is provided with internal tooth and is covered with the inboard of whole gear body, and the described internal tooth number of teeth is 89 awl teeth; The tip diameter of said gear body is 87 millimeters, and root diameter is 91.5 millimeters, and said master gear center is provided with axis hole; Said axis hole shape is a standard pitch circle; Said calibration diameter of a circle is 33 millimeters, and the tip diameter of said master gear is 34.8 millimeters, and dividing Root diameter is 30.3 millimeters; The tip diameter of said small gear is 28.8 millimeters, and dividing Root diameter is 24.3 millimeters.
In one embodiment, a kind of gear reduction box of the present invention, said gear reduction box comprises gear-box; Said gear-box comprises gear body, master gear and 4 small gears, and said gear body inboard is provided with internal tooth and is covered with the inboard of whole gear body, and the described internal tooth number of teeth is 89 awl teeth; The tip diameter of said gear body is 87 millimeters, and root diameter is 91.5 millimeters, and said master gear center is provided with axis hole; Said axis hole shape is a standard pitch circle; Said calibration diameter of a circle is 33 millimeters, and the tip diameter of said master gear is 34.8 millimeters, and dividing Root diameter is 30.3 millimeters; The tip diameter of said small gear is 28.8 millimeters, and dividing Root diameter is 24.3 millimeters.The material of said gear reduction box is that nickel is 1.5-2%, and copper is 1-2%, and molybdenum is 0.4-0.6%; Carbon is 0.3-0.6%; Iron is 95.3-96.3%, and described gear reduction box is not through metal blank forging, punching press and subsequent treatment are formed through a compression moulding of metallic dust.
Further specify; The mutual draw-in groove of awl tooth of the awl tooth of said master gear and 4 small gears; The mutual buckle of awl tooth that the awl tooth of said small gear and gear body are inboard, said master gear drives small gear and clockwise rotates, and the hardness on said gear reduction box surface is 30-40HRC; Prevent to bore tooth and produce indenture, the density of said gear reduction box is 6.8-7g/cm
3, make the awl tooth be not easy to occur crack and crackle, the present invention provides a kind of gear reduction box, has the high load bearing capacity, reduces cost of investment, has reduced operating cost.
Embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (4)
1. gear reduction box, it is characterized in that: said gear reduction box comprises gear-box, said gear-box comprises gear body, master gear and 4 small gears; Said gear body inboard is provided with internal tooth and is covered with the inboard of whole gear body, and the described internal tooth number of teeth is 89 awl teeth, and the tip diameter of said gear body is 87 millimeters; Root diameter is 91.5 millimeters; Said master gear center is provided with axis hole, and said axis hole shape is a standard pitch circle, and said calibration diameter of a circle is 33 millimeters; The tip diameter of said master gear is 34.8 millimeters; Dividing Root diameter is 30.3 millimeters, and the tip diameter of said small gear is 28.8 millimeters, and dividing Root diameter is 24.3 millimeters.
2. the material of said gear reduction box is that nickel is 1.5-2%, and copper is 1-2%, and molybdenum is 0.4-0.6%, and carbon is 0.3-0.6%, and iron is 95.3-96.3%, and described gear reduction box is through a compression moulding of metallic dust.
3. gear reduction box according to claim 1 is characterized in that: the hardness on said gear reduction box surface is 30-40HRC.
4. gear reduction box according to claim 1 is characterized in that: the density of said gear reduction box is 6.8-7g/cm
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100909458A CN102619929A (en) | 2012-03-31 | 2012-03-31 | Gear speed reducing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100909458A CN102619929A (en) | 2012-03-31 | 2012-03-31 | Gear speed reducing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102619929A true CN102619929A (en) | 2012-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100909458A Pending CN102619929A (en) | 2012-03-31 | 2012-03-31 | Gear speed reducing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102619929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746639A (en) * | 2017-10-23 | 2018-03-02 | 苏州特鑫精密电子有限公司 | A kind of punching press hardware spare and accessory parts |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528547A (en) * | 2003-09-28 | 2004-09-15 | 海安县鹰球集团有限公司 | Powder metallurgy internal hilical gear, and its manufacturing method and die using same method |
| CN101524757A (en) * | 2009-04-24 | 2009-09-09 | 马鞍山市华东粉末冶金厂 | Method for producing fly hammer seat by powder metallurgy |
| CN101696688A (en) * | 2009-10-28 | 2010-04-21 | 宁波甬台粉末冶金有限公司 | Oil pump gear and manufacturing method thereof |
-
2012
- 2012-03-31 CN CN2012100909458A patent/CN102619929A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528547A (en) * | 2003-09-28 | 2004-09-15 | 海安县鹰球集团有限公司 | Powder metallurgy internal hilical gear, and its manufacturing method and die using same method |
| CN101524757A (en) * | 2009-04-24 | 2009-09-09 | 马鞍山市华东粉末冶金厂 | Method for producing fly hammer seat by powder metallurgy |
| CN101696688A (en) * | 2009-10-28 | 2010-04-21 | 宁波甬台粉末冶金有限公司 | Oil pump gear and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| FRANCIS HANEJKO: "粉末冶金齿轮材料进展", 《粉末冶金工业》 * |
| 包崇玺等: "粉末冶金新技术在烧结齿轮中的应用", 《粉末冶金材料科学与工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746639A (en) * | 2017-10-23 | 2018-03-02 | 苏州特鑫精密电子有限公司 | A kind of punching press hardware spare and accessory parts |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120801 |