CN202149181U - Output shaft structure of cycloid-pin gear speed reducer - Google Patents
Output shaft structure of cycloid-pin gear speed reducer Download PDFInfo
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- CN202149181U CN202149181U CN201120237151U CN201120237151U CN202149181U CN 202149181 U CN202149181 U CN 202149181U CN 201120237151 U CN201120237151 U CN 201120237151U CN 201120237151 U CN201120237151 U CN 201120237151U CN 202149181 U CN202149181 U CN 202149181U
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- output shaft
- pin
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- gear
- pin gear
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Abstract
The utility model discloses an output shaft structure of a cycloid-pin gear speed reducer, comprising a box body, as well as an input shaft and an output shaft which are arranged in the box body, an inner pin gear in arranged at the outer side of the input shaft, a plurality of outer pin gears are evenly arranged in the box body, a cycloid wheel which is matched with the inner pin gear and the outer pin gear is arranged between the inner pin gear and the outer pin gear, the outer pin gear is arranged in the box body by a pin gear pin, the cycloid wheel is connected with an output sleeve by a plurality of connecting pins, the front end of the input shaft is supported inside of the output sleeve by a single-row round roller bearing without an outer ring, the output sleeve is connected with one end of the output shaft by a spline, an output gear is arranged on the other end of the output shaft, the middle part of the output shaft is arranged on the front end of the box body by two conical bearings, a spacer bush is arranged between two conical bearings and is connected with the output shaft by a locking screw. The output shaft structure has the advantages that the output shaft structure can drive high power, has smaller radial dimension and can bear larger radial force.
Description
Technical field
The utility model relates to a kind of cycloidal-pin wheel retarder, relates in particular to a kind of output shaft structure of cycloidal-pin wheel retarder.
Background technique
The cycloidal-pin wheel retarder often is used on the linear drive system of horizontal directional drilling machine, and applying working condition requires: can transmit high-power, radial dimension is little, can bear than radial force greatly.The output shaft of existing cycloidal-pin wheel retarder is generally the key axle, and driving components such as gear or belt wheel are installed on output shaft usually, because driving component must have endoporus, causes the driving component wall thickness, and the back of quenching is easy to crack, a little less than the mechanical strength, loses efficacy after the driving component fatigue.If the cycloidal-pin wheel retarder uses the form of hole output, then the retarder delivery outlet is generally splined hole, and the transmission shaft front end in the splined hole of packing into must be arranged a pair of radial bearing again, goes to bear external load, causes axial dimension excessive, and manufacturing expense improves.
Summary of the invention
The utility model technical problem to be solved is: the output shaft structure that a kind of ability cycloidal-pin wheel retarder that transmission is high-power and radial dimension is less relatively is provided.
In order to solve the problems of the technologies described above; The technological scheme that the utility model adopts is: the output shaft structure of cycloidal-pin wheel retarder comprises: casing, be arranged on input shaft and output shaft in the casing, pin tooth in the arranged outside of said input shaft has; In said casing, evenly be provided with some outside the pin tooth; Interior pin tooth and outside be provided with the cycloid wheel that cooperatively interacts with it between the pin tooth, outer pin tooth is arranged in the casing through gear pin, cycloid wheel is connected with the output cover through some connecting pins; The front end of described input shaft is not through being supported on the inside of output cover with the single-row round roller bearing of outer ring; The output cover is connected with an end of said output shaft through spline, and the other end of said output shaft is provided with output gear, and the middle part of said output shaft is arranged on the front end of casing through two conical bearings; Between two conical bearings, be provided with spacer, spacer is connected with output shaft through lock screw.
In order to solve the problems of the technologies described above better, the further technological scheme that the utility model adopts is: described gear pin is provided with pin gear sleeve, and outer pin tooth is arranged on the outside of pin gear sleeve.
In order to solve the problems of the technologies described above better, the further technological scheme that the utility model adopts is: described output gear is the involute modified gear.
The utility model has the advantages that: the output shaft structure of above-mentioned cycloidal-pin wheel retarder, the ability transmission is high-power and radial dimension is less relatively, can bear big radial force; Thereby avoid driving component to damage or fatigue fracture, it is simple in structure, low cost of manufacture; Running is stable, and is practical.
Description of drawings
Fig. 1 is the structural representation of the output shaft structure of the utility model cycloidal-pin wheel retarder.
Among the figure: 1, casing, 2, input shaft, 3, output shaft, 4, interior pin tooth, 5, outer pin tooth, 6, cycloid wheel; 7, gear pin, 8, connecting pin, 9, the output cover, 10, single-row round roller bearing, 11, spline; 12, output gear, 13, conical bearing, 14, spacer, 15, lock screw, 16, pin gear sleeve; 17, screw, 18, forward flange, 19, deep groove ball bearing, 20, flange, 21, set screw.
Embodiment
Describe the particular content of the utility model in detail below in conjunction with accompanying drawing and specific embodiment.
Shown in Fig. 1, the output shaft structure of cycloidal-pin wheel retarder comprises: casing 1, be arranged on input shaft 2 and output shaft 3 in the casing 1; The rear end of casing 1 is connected with forward flange 18 through screw 17, and forward flange 18 is connected with the high-pressure plunger motor, and input shaft 2 is supported on the forward flange 18 through deep groove ball bearing 19; Pin tooth 4 in the arranged outside of said input shaft 2 has, in said casing 1, evenly be provided with some outside pin tooth 5, interior pin tooth 4 and outside be provided with the cycloid wheel 6 that cooperatively interacts with it between the pin tooth 5; Outer pin tooth 5 is arranged in the casing 1 through gear pin 7; Cycloid wheel 6 is connected through some connecting pins 8 and output cover 9, and the front end of described input shaft 2 is through being supported on the inside of output cover 9 with the single-row round roller bearing 21 of outer ring, and output cover 9 is connected with an end of said output shaft 3 through spline 11; The other end of said output shaft 3 is provided with output gear 12; The middle part of said output shaft 3 is arranged on the front end of casing 1 through two conical bearings 13, between two conical bearings 13, is provided with spacer 14, and spacer 14 is connected with output shaft 3 through lock screw 15; Spacer 14 is arranged between the inner ring of two conical bearings 13; The outer ring of back one conical bearing 13 leans against on the step hole end face of casing 1, and the outer ring of last conical bearing 13 compresses with flange 20, and flange is fixed on the casing 1 through set screw 21.
In the present embodiment, described gear pin 7 is provided with pin gear sleeve 16, and outer pin tooth 5 is arranged on the outside of pin gear sleeve 16, and making contacting between gear pin 7 and the cycloid wheel 6 is rolling friction, has prolonged the life-span of cycloid wheel 6 these strength members.
In the present embodiment, described output gear 12 is the involute modified gear, directly output torque.
Be connected through spline 11 between output shaft 3 and the output cover 9.
Output shaft 3 is supported on two conical bearings 13 of casing 1 front end, and conical bearing 13 is arranged face-to-face, can the axial float of output shaft 3 be controlled at about 0.15mm.
Because rotary arm bearing is a link the weakest in the whole driving mechanism, be in the operating mode of high-speed overload, it should role-taking in the power of cycloid wheel 6, and itself be contained on the input shaft 2 of high speed rotating, therefore, improve the rotary arm bearing bearing capacity as far as possible.In the utility model; Rotary arm bearing adopts not the single-row round roller bearing 10 with the outer ring, and the outer race of rotary arm bearing is removed, and the rolling element of bearing is directly put into the cycloid wheel hole; The size of other parts of bearing is increased, improved the ability of loading ability of bearing load.
In sum, the utility model has following remarkable advantage compared with prior art: the ability transmission is high-power and radial dimension is less relatively; Can bear big radial force, thereby avoid driving component to damage or fatigue fracture, it is simple in structure; Low cost of manufacture, running is stable, and is practical.
The foregoing description only supplies to explain the usefulness of the utility model, and is not to be the restriction to the utility model, has
Close the those of ordinary skill of technical field, under the situation that does not break away from the utility model spirit, can also make various variations and modification, so all technological schemes that are equal to also should belong to the protection category of the utility model.
Claims (3)
1. the output shaft structure of cycloidal-pin wheel retarder; Comprise: casing (1), be arranged on input shaft (2) and output shaft (3) in the casing (1); It is characterized in that: pin tooth (4) in the arranged outside of said input shaft (2) has; In said casing (1), evenly be provided with some outside pin tooth (5); Interior pin tooth (4) and outside be provided with the cycloid wheel (6) that cooperatively interacts with it between the pin tooth (5), outer pin tooth (5) is arranged in the casing (1) through gear pin (7), cycloid wheel (6) is connected through some connecting pins (8) and output cover (9); The front end of described input shaft (2) is not through being supported on the inside of output cover (9) with the single-row round roller bearing (10) of outer ring; Output cover (9) is connected through the end of spline (11) with said output shaft (3), and the other end of said output shaft (3) is provided with output gear (12), and the middle part of said output shaft (3) is arranged on the front end of casing (1) through two conical bearings (13); Between two conical bearings (13), be provided with spacer (14), spacer (14) is connected with output shaft (3) through lock screw (15).
2. according to the output shaft structure of the described cycloidal-pin wheel retarder of claim 1, it is characterized in that: described gear pin (7) is provided with pin gear sleeve (16), and outer pin tooth (5) is arranged on the outside of pin gear sleeve (16).
3. according to the output shaft structure of claim 1 or 2 described cycloidal-pin wheel retarders, it is characterized in that: described output gear (12) is the involute modified gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120237151U CN202149181U (en) | 2011-07-07 | 2011-07-07 | Output shaft structure of cycloid-pin gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120237151U CN202149181U (en) | 2011-07-07 | 2011-07-07 | Output shaft structure of cycloid-pin gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149181U true CN202149181U (en) | 2012-02-22 |
Family
ID=45590241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120237151U Expired - Fee Related CN202149181U (en) | 2011-07-07 | 2011-07-07 | Output shaft structure of cycloid-pin gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202149181U (en) |
-
2011
- 2011-07-07 CN CN201120237151U patent/CN202149181U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20140707 |
|
| EXPY | Termination of patent right or utility model |