CN201884606U - Duplicate gear used in agricultural greenhouse transmission system - Google Patents
Duplicate gear used in agricultural greenhouse transmission system Download PDFInfo
- Publication number
- CN201884606U CN201884606U CN2010206852727U CN201020685272U CN201884606U CN 201884606 U CN201884606 U CN 201884606U CN 2010206852727 U CN2010206852727 U CN 2010206852727U CN 201020685272 U CN201020685272 U CN 201020685272U CN 201884606 U CN201884606 U CN 201884606U
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- Prior art keywords
- gear
- muscle
- rib
- duplicate
- transmission system
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Abstract
The utility model relates to a duplicate gear used in an agricultural greenhouse transmission system. The duplicate gear is an integral structure formed by a powder metallurgy material, and comprises a rib arranged in the middle, a first gear and a second gear symmetrically connected onto two side surfaces of the rib, and a central hole arranged among the rib and the first and the second gears, wherein teeth uniformly distributed along a same periphery are arranged on the edges of the peripheries of the first gear and the second gear respectively; lug bosses are arranged at the tops of the teeth; the rib has a ring-shaped structure; an excircle of the rib shares the same center with the crown circles of the first gear and the second gear; the eccentricity of a central axis of the rib and a central axis of the first gear, and the eccentricity of the central axis of the rib and a central axis of the second gear range from 0 to 1mm; and threaded holes are arranged on the rib in the radial direction. The duplicate gear provided by the utility model has the advantages of simple and compact structure, good bonding strength, steady transmission, good wearing resistance, long service life, simple manufacturing technology, high material utilization ratio and steady product quality, and is suitable for mass production; the production efficiency is improved by more than two times; and the manufacturing cost is reduced by 50%.
Description
Technical field
The utility model relates to a kind of duplicate gear, is specifically related to a kind ofly be used for the agricultural greenhouse transmission system and by the duplicate gear of powder metallurgical technique moulding.
Background technique
At present, being used for the duplicate gear (hereinafter to be referred as duplicate gear) of agricultural greenhouse transmission system, is to be linked together with welding manner or by spline by two spur gears.When work, two spur gears are meshed with a pair of duplex tooth bar that takes the shape of the letter U respectively.
It is raw material that above-mentioned two spur gears adopt quality carbon steel, process by the complicated mechanical processing technology, thereby complex manufacturing, manufacturing procedure is many, manufacturing efficiency and stock utilization are low, and the manufacture cost height is difficult to produce in enormous quantities steady quality, product that machining accuracy is high, wear no resistance, working life is short.In addition, when duplicate gear moves under running into as burst resistance, braking rapidly, continuous service or hot environment etc., the joint of two gears is owing to reasons such as insufficient strength, occurs easily distorting even phenomenon such as fracture, thereby influences transmission or transmission failure.
The model utility content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art and a kind of duplicate gear that is used for the agricultural greenhouse transmission system is provided, this duplicate gear is the monolithic construction by the powdered metallurgical material moulding, it is simple in structure, compact, and good rigidity, join strength are good, stable drive, wear resistance is good, long service life, production technology is simple, manufacturing efficiency and stock utilization height, low cost of manufacture is applicable to production in enormous quantities and constant product quality, machining accuracy height.
In order to solve the problems of the technologies described above, the technological scheme that the utility model adopted is: a kind of duplicate gear that is used for the agricultural greenhouse transmission system is the monolithic construction by the powdered metallurgical material moulding, described duplicate gear comprises muscle, first gear and second gear, wherein: in the middle of described muscle is positioned at, be symmetrically connected with first gear, second gear in the bi-side of muscle, the three is provided with a center hole; Described first gear, second gear are spur gear, the structure of the two is identical, on the circle edge of first gear, second gear, is respectively equipped with several along the equally distributed tooth of same circumference, tooth top place at above-mentioned tooth is provided with boss, and described boss is provided with 10 °～30 ° chamfering; Described muscle is cirque structure, and the top circle of the cylindrical of this muscle and first gear and second gear is the same center of circle; Throw of eccentric between the central axis of the central axis of this muscle and first gear, second gear is 0-1mm; On muscle, radially be provided with several tapped holes.
The outside diameter of described muscle is identical with the tip diameter of first gear that is positioned at the muscle bi-side, second gear.
The outside diameter of described muscle is than the big 1～10mm of tip diameter of first gear that is positioned at the muscle bi-side, second gear.
The internal face upper edge of described center hole is axially arranged with several grooves, wherein each groove and corresponding and vertical communicating of tapped hole; This tapped hole is identical with the quantity of groove.
The degree of depth of described groove is 0.05～1.0mm, and its length is identical with the length of center hole.
In the described tapped hole, be 98 ° of angles between two adjacent tapped holes.
Compared with the prior art the utility model has the following advantages and good effect:
(1) the utility model is simple in structure, compact, assemble convenient easily, working stability, stable drive, the reliability height, the good rigidity of integral duplex gear, join strength are good, have more stable transmission performance, can adapt to complex operating environment more.
(2) duplicate gear is by powdered metallurgical material, powder metallurgical technique and the one-time formed monolithic construction of special-purpose compacting tool set, its production technology is simple, manufacturing efficiency improves more than 2 times, the stock utilization height, manufacture cost reduces by 50%, and wear resistance is good, long service life, be applicable to and produce and constant product quality the machining accuracy height in enormous quantities.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the sectional view of Fig. 1 along the A-A direction;
Fig. 4 is an another kind of structural representation of the present utility model;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the sectional view of Fig. 4 along the B-B direction.
Description of symbols among the figure: 1, intermediate ribs; 2, first gear; 2-1, tooth; 2-2, boss; 2-3, chamfering; 3, second gear; 3-1, tooth; 3-2, boss; 3-3, chamfering; 4, center hole; 5, tapped hole; 6, groove.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment one: with reference to Fig. 1, Fig. 2 and Fig. 3.
What Fig. 1, Fig. 2, Fig. 3 were represented is a kind of duplicate gear of structure.Described duplicate gear is a powdered metallurgical material, is by powder metallurgical technique, the one-time formed monolithic construction of special-purpose compacting tool set.
This duplicate gear comprises muscle 1, first gear 2 and second gear 3, and wherein: in the middle of described muscle 1 is positioned at, be symmetrically connected with first gear 2, second gear 3 in the bi-side of muscle, the three is provided with a center hole 4.
Described muscle 1 is cirque structure, radially is provided with several tapped holes 5 on muscle, is 98 ° of angles between two adjacent tapped holes.During assembling, screw-thread fit has jackscrew in tapped hole.
Be axially arranged with several grooves 6 in the internal face upper edge of above-mentioned center hole 4, wherein each groove and corresponding and vertical communicating of tapped hole, this groove 6 is identical with the quantity of tapped hole 5.The degree of depth of this groove 6 is 0.05～1.0mm, and its length is identical with the length of center hole 4.The effect of groove is: duplicate gear and the supporting use of duplex tooth bar that takes the shape of the letter U; Center hole on the duplicate gear forms transmission with transmission shaft and cooperates, and the jackscrew in the tapped hole is used for fixing transmission shaft.When transmission shaft and center hole assemble, prevent that the residual burr in tapped hole end from hindering transmission shaft and successfully inserting in the center hole, thereby make assembling convenient easily.
Described first gear 2 and second gear 3 are spur gear, and the structure of the two is identical.On the circle edge of first gear 2, second gear 3, be respectively equipped with several along the equally distributed tooth 2-1 of same circumference, 3-1, tooth top place at above-mentioned tooth 2-1,3-1 is provided with boss 2-2,3-2 respectively, is respectively equipped with 10 °～30 ° chamfering 2-3,3-3 on this boss 2-2, the 3-2.
The tip diameter of the outside diameter of described muscle 1 and first gear 2 that is positioned at the muscle bi-side, second gear 3 is identical and be the same center of circle.Throw of eccentric between the central axis of the central axis of this muscle 1 and first gear 2, second gear 3 is 0-1mm.
Embodiment two: with reference to Fig. 4, Fig. 5, Fig. 6.
What Fig. 4-Fig. 6 was represented is the duplicate gear of another kind of structure.In this duplicate gear, the outside diameter of muscle 1 is than first gear 2 that is positioned at the muscle bi-side, the big 1～10mm of tip diameter of second gear 3, and other structure is identical with the duplicate gear of first kind of structure.
Claims (6)
1. duplicate gear that is used for the agricultural greenhouse transmission system is characterized in that:
A, duplicate gear are the monolithic constructions by the powdered metallurgical material moulding, described duplicate gear comprises muscle (1), first gear (2) and second gear (3), in the middle of wherein muscle (1) is positioned at, be symmetrically connected with first gear (2), second gear (3) in the bi-side of muscle, the three is provided with a center hole (4);
B, described first gear (2), second gear (3) are spur gear, and the structure of the two is identical; On the circle edge of first gear (2), second gear (3), be respectively equipped with several along the equally distributed tooth of same circumference (2-1,3-1), be provided with boss (2-2,3-2) respectively at the tooth top place of above-mentioned tooth (2-1,3-1), be respectively equipped with 10 °～30 ° chamfering (2-3,3-3) on the described boss (2-2,3-2);
C, described muscle (1) are cirque structure, and the top circle of the cylindrical of this muscle and first gear (2) and second gear (3) is the same center of circle; Throw of eccentric between the central axis of the central axis of this muscle (1) and first gear, second gear is 0-1mm; On muscle, radially be provided with several tapped holes (5).
2. a kind of duplicate gear that is used for the agricultural greenhouse transmission system according to claim 1 is characterized in that: the outside diameter of described muscle (1) is identical with the tip diameter of first gear (2) that is positioned at the muscle bi-side, second gear (3).
3. a kind of duplicate gear that is used for the agricultural greenhouse transmission system according to claim 1 is characterized in that: the outside diameter of described muscle (1) is than the big 1～10mm of tip diameter of first gear (2) that is positioned at the muscle bi-side, second gear (3).
4. according to claim 2 or 3 described a kind of duplicate gears that are used for the agricultural greenhouse transmission system, it is characterized in that: the internal face upper edge of described center hole (4) is axially arranged with several grooves (6), wherein each groove and corresponding and vertical communicating of tapped hole; This tapped hole (5) is identical with the quantity of groove (6).
5. a kind of duplicate gear that is used for the agricultural greenhouse transmission system according to claim 4 is characterized in that: the degree of depth of described groove (6) is 0.05～1.0mm, and its length is identical with the length of center hole (4).
6. a kind of duplicate gear that is used for the agricultural greenhouse transmission system according to claim 5 is characterized in that: in the described tapped hole (5), be 98 ° of angles between two adjacent tapped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206852727U CN201884606U (en) | 2010-12-20 | 2010-12-20 | Duplicate gear used in agricultural greenhouse transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206852727U CN201884606U (en) | 2010-12-20 | 2010-12-20 | Duplicate gear used in agricultural greenhouse transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884606U true CN201884606U (en) | 2011-06-29 |
Family
ID=44182146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206852727U Expired - Lifetime CN201884606U (en) | 2010-12-20 | 2010-12-20 | Duplicate gear used in agricultural greenhouse transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884606U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493108A (en) * | 2011-12-07 | 2012-06-13 | 恒天重工股份有限公司 | Directly driven transmission device of loom |
| CN103807407A (en) * | 2012-11-08 | 2014-05-21 | 能诚集团有限公司 | Tooth engagement transmission part applied to precise mechanical structure |
| CN111868415A (en) * | 2018-03-16 | 2020-10-30 | 诺托弗朗克门窗技术有限责任公司 | Gear, toothed element for a toothed element drive and corresponding toothed element drive |
-
2010
- 2010-12-20 CN CN2010206852727U patent/CN201884606U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493108A (en) * | 2011-12-07 | 2012-06-13 | 恒天重工股份有限公司 | Directly driven transmission device of loom |
| CN103807407A (en) * | 2012-11-08 | 2014-05-21 | 能诚集团有限公司 | Tooth engagement transmission part applied to precise mechanical structure |
| CN111868415A (en) * | 2018-03-16 | 2020-10-30 | 诺托弗朗克门窗技术有限责任公司 | Gear, toothed element for a toothed element drive and corresponding toothed element drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
|
| CX01 | Expiry of patent term |