CN102252059A - Output shaft structure of cycloidal-pin gear speed reducer - Google Patents
Output shaft structure of cycloidal-pin gear speed reducer Download PDFInfo
- Publication number
- CN102252059A CN102252059A CN2011101887786A CN201110188778A CN102252059A CN 102252059 A CN102252059 A CN 102252059A CN 2011101887786 A CN2011101887786 A CN 2011101887786A CN 201110188778 A CN201110188778 A CN 201110188778A CN 102252059 A CN102252059 A CN 102252059A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- pin
- output
- cycloidal
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Retarders (AREA)
Abstract
The invention discloses an output shaft structure of a cycloidal-pin gear speed reducer. The output shaft structure comprises a box body, an input shaft and an output shaft, wherein the input shaft and the output shaft are arranged in the box body. Inner pin teeth are arranged on the outer side of the input shaft, a plurality of outer pin teeth are uniformly arranged in the box body, cycloidal gears are arranged between the inner pin teeth and the outer pin teeth in a mutual matching manner, the outer pin teeth are arranged in the box body through pin teeth, the cycloidal gears are connected with an output sleeve through a plurality of connecting pins, the front end of the input shaft is supported in the output sleeve through single column of circular roller bearings without outer rings, the output sleeve is connected with one end of the output shaft through a spline, an output gear is arranged at the other end of the output shaft, the middle part of the output shaft is arranged at the front end of the box body through two conical bearings, and a separating sleeve is arranged between the two conical bearings and is connected with the output shaft through a lock screw. The output shaft structure disclosed by the invention has the advantages of smaller radial size and capabilities of transmitting high power and bearing larger radial force.
Description
Technical field
The present invention relates to a kind of cycloidal-pin wheel retarder, relate 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
Technical problem to be solved by this invention is: the output shaft structure that a kind of energy 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 technical solution used in the present invention is: cycloidal-pin wheel retarder defeated
Go out axle construction, comprise: casing, be arranged on input shaft and output shaft in the casing, pin tooth in the arranged outside of described input shaft has, in described 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 by gear pin, cycloid wheel is connected with the output cover by some connecting pins, the front end of described input shaft is not by 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 described output shaft by spline, the other end of described output shaft is provided with output gear, the middle part of described output shaft is arranged on the front end of casing by two conical bearings, be provided with spacer between two conical bearings, spacer is connected with output shaft by lock screw.
In order to solve the problems of the technologies described above better, the further technological scheme that the present invention 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 present invention adopts is: described output gear is the involute modified gear.
Advantage of the present invention is: the output shaft structure of above-mentioned cycloidal-pin wheel retarder, and the energy 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 cycloidal-pin wheel retarder of the present invention.
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, 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 particular content of the present invention in detail below in conjunction with the drawings and specific embodiments.
Shown in Fig. 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, the rear end of casing 1 is connected with forward flange 18 by screw 17, forward flange 18 is connected with the high-pressure plunger motor, input shaft 3 is supported on the forward flange 18 by deep groove ball bearing 19, pin tooth 4 in the arranged outside of described input shaft 2 has, in described 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 by gear pin 7, cycloid wheel 6 is connected with output cover 9 by some connecting pins 8, the front end of described input shaft 2 is not by being supported on the inside of output cover 9 with the single-row round roller bearing 21 of outer ring, output cover 9 is connected with an end of described output shaft 3 by spline 11, the other end of described output shaft 3 is provided with output gear 12, the middle part of described output shaft 3 is arranged on the front end of casing 1 by two conical bearings 13, between two conical bearings 13, be provided with spacer 14, spacer 14 is connected with output shaft 3 by 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, the outer ring of last conical bearing 13 compresses with flange 20, and flange is fixed on the casing 1 by 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 by 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, the axial float of output shaft 3 can be controlled at about 0.15mm.
Because rotary arm bearing is the weakest link 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 3 of high speed rotating, therefore, improve the rotary arm bearing bearing capacity as far as possible.In the present invention, 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, and the size of other parts of bearing is increased, and has improved the ability of loading ability of bearing load.
In sum, the present invention has following remarkable advantage compared with prior art: the energy 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 is only for the usefulness that the present invention is described; and be not to be limitation of the present invention, the those of ordinary skill in relevant technologies field is under the situation that does not break away from spirit of the present invention; can also make various variations and modification, so all technological schemes that are equal to also should belong to protection category of the present invention.
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 described input shaft (2) has, in described 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) by gear pin (7), cycloid wheel (6) is connected with output cover (9) by some connecting pins (8), the front end of described input shaft (2) is not by 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 by the end of spline (11) with described output shaft (3), the other end of described output shaft (3) is provided with output gear (12), the middle part of described output shaft (3) is arranged on the front end of casing (1) by two conical bearings (13), be provided with spacer (14) between two conical bearings (13), spacer (14) is connected with output shaft (3) by 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 |
|---|---|---|---|
| CN2011101887786A CN102252059A (en) | 2011-07-07 | 2011-07-07 | Output shaft structure of cycloidal-pin gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101887786A CN102252059A (en) | 2011-07-07 | 2011-07-07 | Output shaft structure of cycloidal-pin gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102252059A true CN102252059A (en) | 2011-11-23 |
Family
ID=44979540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101887786A Pending CN102252059A (en) | 2011-07-07 | 2011-07-07 | Output shaft structure of cycloidal-pin gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102252059A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527721A (en) * | 2012-07-05 | 2014-01-22 | 北京精密机电控制设备研究所 | Cycloidal pin wheel speed reducer |
-
2011
- 2011-07-07 CN CN2011101887786A patent/CN102252059A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527721A (en) * | 2012-07-05 | 2014-01-22 | 北京精密机电控制设备研究所 | Cycloidal pin wheel speed reducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204061745U (en) | Planetary pinion is the 3Z type planetary gear speed reducing mechanism of floating duplicate gear | |
| CN102242795B (en) | Precision cycloid decelerator | |
| CN202690896U (en) | High-power transmission device of vertical grinder | |
| CN102192280A (en) | Reducer with bevel gear and hypocycloid in large transmission ratio for ore grinding machine | |
| CN102312959A (en) | High-bearing-force brake type hypocycloidal speed reducer | |
| CN107017733B (en) | Miniature hub motor | |
| CN102966675A (en) | Special involute spline fitted coupling structure for automobile traction | |
| CN102313000A (en) | Braking three-plate planetary speed reducer with small teeth difference | |
| CN102252059A (en) | Output shaft structure of cycloidal-pin gear speed reducer | |
| CN102312958A (en) | High-bearing-force braking-type triplate-hypocycloid reducer | |
| CN202203344U (en) | Precision cycloidal speed reducer | |
| CN202149181U (en) | Output shaft structure of cycloid-pin gear speed reducer | |
| CN103335069B (en) | Sieve run-out tolerance speed reducer | |
| CN102305287A (en) | Braking planetary speed reducer with small tooth difference | |
| CN105299146A (en) | Reduction drive system for stereo garage with damping gears | |
| CN202194957U (en) | Ball spline transmission assembly | |
| CN107237866A (en) | A kind of planet knuckle-tooth formula decelerator | |
| CN206655943U (en) | A kind of planet-cycloid reducer | |
| CN203146755U (en) | Separate herringbone gear shaft | |
| CN102427753A (en) | Kitchen appliance comprising a planetary gear | |
| CN208487154U (en) | One kind having the biggish right angle reductor structure of radial force bearing capacity | |
| CN207364192U (en) | Swinging cycloidal-pin gear speed reducer | |
| CN101774212A (en) | Vacuum extruder with herringbone gear | |
| CN102889340B (en) | Large-scale vertical cycloidal reducer | |
| CN211501498U (en) | Composite speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111123 |