CN210141301U - Low-cost combined transmission conversion device - Google Patents
Low-cost combined transmission conversion device Download PDFInfo
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- CN210141301U CN210141301U CN201920792524.7U CN201920792524U CN210141301U CN 210141301 U CN210141301 U CN 210141301U CN 201920792524 U CN201920792524 U CN 201920792524U CN 210141301 U CN210141301 U CN 210141301U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims 2
- 230000009467 reduction Effects 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 5
- 230000001133 acceleration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
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- 238000002372 labelling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model relates to a low-cost combination formula transmission conversion equipment. The utility model discloses an epicycloid gear crankshaft, be provided with on the epicycloid gear crankshaft with angular contact ball bearing outer lane complex shaft hole, angular contact ball bearing and the cooperation of axle A section, be provided with the hypocycloid ring gear on the first left end face of composite gear, epicycloid gear meshes with its hypocycloid ring gear, axle 1 passes through angular contact ball bearing and links with axle two, axle C section and spline sleeve cooperation, be provided with the spline groove with composite gear two complex on the second A section of axle, composite gear two is through sliding on axle two spline groove and spline sleeve, combine with composite gear one, realize axle one and axle two cut off, combine; a section A of the intermediate shaft is provided with a spline groove and a retainer ring groove, and a section B of the intermediate shaft is provided with a key groove matched with the cylindrical gear II, so that the meshing state of the combined gear and the cylindrical gear, the combination state between the combined gear and the power input direction and the transmission conversion from one-level to three-level or three-level to one-level speed reduction or speed increase are realized.
Description
Technical Field
The utility model relates to a mechanical transmission technical field, concretely relates to low-cost combination formula transmission conversion equipment, its occasion that is applicable to cutting off and combining, speed reduction and acceleration rate of the power of three axles on a straight line.
Background
With the rapid development of economy in China, industries such as automobiles, petroleum, motorcycles, aerospace and the like have more profound changes, mechanical transmission, assembly lines, food packaging and the like all need a combined transmission conversion mechanism, and the existing combined transmission conversion mechanism is overstaffed and complex in structure, can only realize one-way flow of power, and cannot realize two-way flow of the power; and the existing combined transmission conversion mechanism can not realize the power cutting and combination, speed reduction or speed increase of three shafts on a straight line.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a low-cost combination formula transmission conversion equipment, it not only can realize the two-way reposition of redundant personnel of power, can also change the engaged state between the bonding state between the composite gear and the roller gear as required, realizes one-level and tertiary speed reduction and acceleration rate.
For solving the problems existing in the prior art, the technical scheme of the utility model is that: a low-cost combined transmission conversion device is characterized in that: the gear crankshaft comprises an epicycloid gear crankshaft, a first combined gear, a first shaft, a second shaft, a spline sleeve, a second combined gear, an intermediate shaft, a first cylindrical gear, a second cylindrical gear and a cylindrical sleeve;
the big crank end of the epicycloid gear crankshaft is provided with a first shaft hole which is matched with the section A of the first shaft, the small crank end of the epicycloid gear crankshaft is provided with an epicycloid gear which is meshed with a hypocycloid gear ring on the left end surface of the first combined gear, a key groove is arranged on the section B of the first shaft, the first combination gear is fixedly connected on the section B of the first shaft through a key, the center of the left end surface of the second shaft is provided with a second shaft hole, the left end shaft of the second shaft is provided with a spline section A section which is the same as the spline section of the spline sleeve, the D section of the first shaft is matched and connected with the shaft hole II of the second shaft, the second combined gear is arranged on the spline section of the second shaft through a key, the section C of the first shaft is provided with a spline sleeve, the left end of the spline sleeve positions the first combined gear on the section B of the first shaft, and the right end of the spline sleeve is in butt joint with the section A of the spline section of the second shaft and is used for shifting the second combined gear to be combined with the first combined gear; a small cylinder matched with the tooth root transition curve section of the cylindrical surface of the first combined gear is arranged on the left end surface of the second combined gear, power is transmitted from the first shaft to the second shaft through the matching of the small cylinder and the tooth root transition curve section, a first retainer ring groove matched with a retainer ring is arranged on the circumference of the spline section A of the second shaft, the second combined gear is positioned through the retainer ring, and the first shaft and the second shaft are connected on the same straight line to realize the cutting and combination of the power;
the section A of the intermediate shaft is provided with a spline groove matched with a shaft hole of the first cylindrical gear and a retainer ring groove II matched with a retainer ring, the retainer ring II positions the first cylindrical gear at the section A of the intermediate shaft, the section B of the intermediate shaft is provided with a key groove for circumferentially positioning the cylindrical gear, and the section C of the intermediate shaft is provided with a cylindrical sleeve for positioning the second cylindrical gear at the section B of the intermediate shaft.
An angular contact ball bearing is arranged between the first shaft hole and the section A of the first shaft, an outer ring of the angular contact ball bearing is matched with the first shaft hole, and an inner ring of the angular contact ball bearing is matched with the section A of the first shaft.
An angular contact ball bearing is arranged between the section D of the first shaft and the second shaft hole of the second shaft, the outer ring of the angular contact ball bearing is matched with the second shaft hole in the section A of the second shaft, and the inner ring of the angular contact ball bearing is matched with the first shaft.
Compared with the prior art, the utility model has the advantages as follows:
the utility model can realize the speed increase and decrease of one level and three levels while realizing the power flow of two directions;
the utility model can realize the cutting off and combination, speed reduction and speed increase of the power of three shafts on a straight line;
the utility model discloses simple structure, maintenance are simple, and are with low costs.
Drawings
Fig. 1 is a schematic structural diagram of a combined transmission transformation mechanism (three-stage speed increasing and reducing mechanism) in an embodiment provided by the present invention;
fig. 2 is a schematic structural diagram of a combined transmission conversion mechanism (one-stage speed increasing and reducing mechanism) in an embodiment provided by the present invention;
FIG. 3 is an isometric view of an epicycloidal gear crankshaft;
FIG. 4 is an isometric view of a first combination gear;
FIG. 5 is an isometric view of a second combination gear;
FIG. 6 is an isometric view of a first shaft;
FIG. 7 is an isometric view of shaft two;
FIG. 8 is an isometric view of a spline sleeve;
FIG. 9 is a partial cross-sectional view of the epicycloidal gear crankshaft, shaft one and shaft two connection;
FIG. 10 is a cross-sectional view A-A of FIG. 9;
FIG. 11 is a cross-sectional view B-B of FIG. 9;
FIG. 12 is an isometric view of an intermediate shaft;
FIG. 13 is an isometric view of a first spur gear;
FIG. 14 is an isometric view of a retainer ring;
description of the labeling: the gear comprises a 1-epicycloid gear crankshaft, a 2-combination gear I, a 3-shaft I, a 4-shaft II, a 5-angular contact ball bearing, a 6-spline sleeve, a 7-combination gear II, a 8-retainer ring, a 9-intermediate shaft, a 10-cylindrical gear I, a 11-cylindrical gear II, a 12-cylindrical sleeve, a 13-shaft hole I, a 14-epicycloid gear, a 15-hypocycloid gear ring, a 16-shaft hole II, a 17-retainer ring groove I, an 18-spline groove, a 19-small cylinder and a 20-retainer ring groove II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment provides a low-cost combined transmission conversion device (see fig. 1 and 2), which comprises an epicycloidal gear crankshaft 1, a first combined gear 2, a first shaft 3, a second shaft 4, an angular contact ball bearing 5, a spline sleeve 6, a second combined gear 7, an intermediate shaft 9, a first cylindrical gear 10, a second cylindrical gear 11, a cylindrical sleeve 12, an epicycloidal gear 14 and a hypocycloidal gear ring 15;
the epicycloidal gear crankshaft 1, the first combination gear 2 matched with the epicycloidal gear, the first shaft 3 and the second shaft 4 are in the same straight line (see figures 9-11).
The big crank end of the externally cycloidal gear crankshaft 1 is provided with a first shaft hole 13 matched with the outer ring of the angular contact ball bearing 5, the inner ring of the angular contact ball bearing 5 is matched with the section A of the first shaft 3, the small crank end of the externally cycloidal gear crankshaft 1 is provided with an externally cycloidal gear 14 (see figure 3), the externally cycloidal gear 14 is meshed with an internally cycloidal gear ring 15 on the left end surface of the first combined gear 2, the section B of the first shaft 3 is provided with a key groove, the shaft hole of the first combined gear 2 is provided with a rectangular spline tooth, the first combined gear 2 is fixedly connected to the section B of the first shaft 3 through a key, the center of the left end surface of the second shaft 4 is provided with a second shaft hole 16, the left end shaft of the second shaft 4 is provided with a spline section A identical with the spline section of the spline sleeve 6, a ball bearing 5 is arranged between the section D of the first shaft 3 and the second shaft hole 16 of the second shaft 4, the outer ring of the angular contact ball bearing 5 is, the inner ring is matched with the first shaft 3, the second combined gear 7 is arranged on the spline section of the second shaft 4 through a key, the section C of the first shaft 3 is provided with a spline sleeve 6, the left end of the spline sleeve 6 positions the first combined gear 2 on the section B of the first shaft 3, and the right end of the spline sleeve is in butt joint with the section A of the spline section of the second shaft 4 and is used for shifting the second combined gear 7 to be combined with the first combined gear 2; the left end face of the second combined gear 7 is provided with small cylinders 19 matched with the tooth root transition curve section of the cylindrical surface of the first combined gear 2, the shaft hole of the second combined gear 7 is provided with rectangular spline teeth, the small cylinders 19 are uniformly arranged on the left end face of the second combined gear 7 and are 4, power is transmitted from the first shaft 3 to the second shaft 4 by utilizing the matching of the small cylinders 19 and the tooth root transition curve section, the circumference of the spline section A of the second shaft 4 is provided with a retainer ring groove I17 matched with a retainer ring 8, the second combined gear 7 is positioned by the retainer ring 8, the first shaft 3 and the second shaft 4 are connected on the same straight line, and the cutting and the combination of the power are realized (see fig. 4-8);
the angular contact ball bearing 5 is provided with two parts, one part is matched with the section A of the first shaft, and the other part is matched with the section C of the first shaft.
The section a of the intermediate shaft 9 is provided with a spline groove 18 matched with the shaft hole of the first cylindrical gear 10 and a retainer groove two 20 matched with the retainer ring 8, the retainer ring 8 positions the first cylindrical gear 10 on the section a of the intermediate shaft 9, the section B of the intermediate shaft 9 is provided with a key groove for circumferentially positioning the second cylindrical gear 11, and the section C of the intermediate shaft 9 is provided with a cylindrical sleeve 12 for positioning the second cylindrical gear 11 on the section B of the intermediate shaft 9 (see fig. 9-14).
The utility model discloses a working process (see fig. 1 and fig. 2):
power is input from the epicycloid gear crankshaft 1, and the second shaft 4 outputs: when the first combined gear 2 is combined with the second combined gear 7 (the tooth root transition curve section of the cylindrical surface of the first combined gear 2 is matched with the small cylinder), primary speed reduction is realized; when the first cylindrical gear 10 is meshed with the first combined gear 2 and the second cylindrical gear 11 is meshed with the second combined gear 7, three-stage speed reduction is realized.
Power is input from a shaft II 4, and the epicycloidal gear crankshaft 1 outputs: when the first combined gear 2 is combined with the second combined gear 7 (the tooth root transition curve section of the cylindrical surface of the first combined gear 2 is matched with the small cylinder), primary speed increasing is realized; when the first cylindrical gear 10 is meshed with the first combined gear 2 and the second cylindrical gear 11 is meshed with the second combined gear 7, three-stage speed increasing is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (3)
1. A low-cost combined transmission conversion device is characterized in that: the gear transmission mechanism comprises an epicycloid gear crankshaft (1), a first combined gear (2), a first shaft (3), a second shaft (4), a spline sleeve (6), a second combined gear (7), an intermediate shaft (9), a first cylindrical gear (10), a second cylindrical gear (11) and a cylindrical sleeve (12);
the section B of the shaft I (3) is provided with a key groove, the combined gear I (2) is fixedly connected to the section B of the shaft I (3) through a key, the center of the left end surface of the shaft II (4) is provided with a shaft hole II (16), the left end shaft of the shaft II (4) is provided with a spline section A section which is the same as the spline section of the spline sleeve (6), the section D of the shaft I (3) is matched and connected with the shaft hole II (16) of the shaft II (4), and the combined gear II (7) is arranged at the spline section of the shaft II (4) through a key, the section C of the first shaft (3) is provided with a spline sleeve (6), the left end of the spline sleeve (6) positions the first combined gear (2) on the section B of the first shaft (3), and the right end of the spline sleeve is butted with the section A of the spline section of the second shaft (4) and is used for shifting the second combined gear (7) to be combined with the first combined gear (2); a small cylinder (19) matched with the tooth root transition curve section of the cylindrical surface of the first combined gear (2) is arranged on the left end face of the second combined gear (7), power is transmitted from the first shaft (3) to the second shaft (4) through the matching of the small cylinder (19) and the tooth root transition curve section, a first retainer ring groove (17) matched with a retainer ring (8) is arranged on the circumference of the spline section A of the second shaft (4), the second combined gear (7) is positioned through the retainer ring (8), and the first shaft (3) and the second shaft (4) are connected on the same straight line to realize the cutting and combination of the power;
a section of jackshaft (9) be provided with cylindrical gear (10) shaft hole complex spline groove (18) and retaining ring (8) complex retainer ring groove two (20), retaining ring two (21) are fixed a position cylindrical gear (10) in the A section of jackshaft (9), the B section of jackshaft (9) is provided with the keyway with cylindrical gear two (11) circumference location, the C section of jackshaft (9) is provided with cylindrical sleeve (12) and is used for fixing a position cylindrical gear two (11) in the B section of jackshaft (9).
2. A low cost, compound drive conversion unit as defined in claim 1, wherein: an angular contact ball bearing (5) is arranged between the first shaft hole (13) and the section A of the first shaft (3), an outer ring of the angular contact ball bearing (5) is matched with the first shaft hole (13), and an inner ring of the angular contact ball bearing is matched with the section A of the first shaft (3).
3. A low cost, compound drive conversion unit as defined in claim 1 or 2, wherein: an angular contact ball bearing (5) is arranged between the section D of the first shaft (3) and the shaft hole II (16) of the second shaft (4), the outer ring of the angular contact ball bearing (5) is matched with the shaft hole II (16) in the section A of the second shaft (4), and the inner ring of the angular contact ball bearing is matched with the first shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792524.7U CN210141301U (en) | 2019-05-29 | 2019-05-29 | Low-cost combined transmission conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792524.7U CN210141301U (en) | 2019-05-29 | 2019-05-29 | Low-cost combined transmission conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210141301U true CN210141301U (en) | 2020-03-13 |
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ID=69734644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920792524.7U Expired - Fee Related CN210141301U (en) | 2019-05-29 | 2019-05-29 | Low-cost combined transmission conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210141301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206853A (en) * | 2019-05-29 | 2019-09-06 | 西安工业大学 | Combination transmission mapping device |
-
2019
- 2019-05-29 CN CN201920792524.7U patent/CN210141301U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206853A (en) * | 2019-05-29 | 2019-09-06 | 西安工业大学 | Combination transmission mapping device |
| CN110206853B (en) * | 2019-05-29 | 2023-08-25 | 西安工业大学 | Combined transmission changing mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200313 |