CN210139178U - Assembling tool for assembling planetary gear train and planetary gear train device - Google Patents
Assembling tool for assembling planetary gear train and planetary gear train device Download PDFInfo
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- CN210139178U CN210139178U CN201920817621.7U CN201920817621U CN210139178U CN 210139178 U CN210139178 U CN 210139178U CN 201920817621 U CN201920817621 U CN 201920817621U CN 210139178 U CN210139178 U CN 210139178U
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Abstract
The utility model discloses an assembling tool for assembling a planetary gear train, which comprises a rotating shaft, a driving handle, a bearing seat and a connecting piece, wherein the connecting piece is used for being connected with a gear box in the planetary gear train; the bearing seat is sleeved on the rotating shaft, and the bearing is arranged between the bearing seat and the rotating shaft; the connecting piece is arranged on the bearing seat; the driving handle is detachably arranged on the rotating shaft; the top end of the rotating shaft extends out of the upper part of the bearing seat; and a sun wheel driving head used for being connected with a sun wheel in the planetary gear train is arranged at the top end of the rotating shaft. The utility model also discloses a planetary gear train device. The utility model discloses an assembly tool and planetary gear train device, its simple structure, convenient to use can realize through the assembly tool that the planet wheel pairs with the ring gear in, adjusts the phase place of sun gear to the completion is with the planet wheel assembly between ring gear and the sun gear.
Description
Technical Field
The utility model relates to a gear assembly technical field especially relates to an assembly tool and planetary gear train device for assembling planetary gear train.
Background
The planetary gear train generally comprises a sun gear, an annular gear, a planet carrier assembly (a planet gear, a planet bearing, a planet pin and a planet carrier), and the like, wherein the planet gear generally comprises three or more planet gears. The planet carrier assembly is usually assembled as a subassembly, then the planet carrier assembly is assembled with the sun gear (or the inner gear ring) firstly, then the inner gear ring (or the sun gear) is installed, when the planet carrier assembly is assembled with the sun gear (or the inner gear ring), different planet gears are rotated to correspond to teeth of the sun gear (or the inner gear ring) respectively, and when the inner gear ring (or the sun gear) is installed again, other gear pairs already complete the correspondence as long as one of the inner teeth is found to correspond to one of the tooth grooves. Some gear boxes with special structures are limited in structure, the gear ring and the sun gear must be assembled firstly, then the planet carrier assembly is installed, the condition that the planet gear simultaneously corresponds to the gear ring and the sun gear occurs, at the moment, the assembly condition cannot be met only by rotating the planet gear, and the sun gear or the gear ring needs to be rotated to perform fine adjustment to complete assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assembly tool and planetary gear train device for assembling planetary gear train, its realization that can facilitate when planetary gear and ring gear mate, adjusts the phase place of sun gear to the completion is with the planet wheel assembly between ring gear and the sun gear.
The technical scheme of the utility model provides an assembly tool for assembling a planetary gear train, which comprises a rotating shaft, a driving handle, a bearing seat and a connecting piece, wherein the connecting piece is used for being connected with a gear box in the planetary gear train;
the bearing seat is sleeved on the rotating shaft, and the bearing is arranged between the bearing seat and the rotating shaft;
the connecting piece is arranged on the bearing seat;
the driving handle is detachably arranged on the rotating shaft;
the top end of the rotating shaft extends out of the upper part of the bearing seat;
and a sun wheel driving head used for being connected with a sun wheel in the planetary gear train is arranged at the top end of the rotating shaft.
Further, the bearing seat comprises a bearing seat bottom plate, a bearing sleeve arranged on the bearing seat bottom plate and a bearing seat top cover arranged above the bearing sleeve;
the rotating shaft sequentially penetrates through the bearing seat bottom plate, the bearing sleeve and the bearing seat top cover;
the bearing is fitted between the rotating shaft and the inner surface of the bearing sleeve;
the connecting piece is detachably arranged on the bearing seat bottom plate.
Further, the bearing comprises a bearing outer ring and a bearing inner ring, and balls are arranged between the bearing inner ring and the bearing outer ring;
the bearing inner ring is sleeved on the rotating shaft, and the bearing sleeve is sleeved on the bearing outer ring;
the bearing comprises a bearing inner ring, a bearing outer ring and a bearing inner ring, wherein an oil storage groove is formed in the bearing inner ring, an oil supply pipe connected with the oil storage groove is arranged on the bearing inner ring, and a sealing cover is arranged on the oil supply pipe.
Further, the oil supply pipe is a rubber hose.
Furthermore, the connecting piece is a connecting sleeve, and the connecting sleeve is arranged on the bearing seat bottom plate;
the top end of the connecting sleeve is provided with a sleeve plug connector used for being connected with the gear box.
Further, the bearing sleeve is integrally formed on the bearing seat bottom plate, and the bearing seat top cover is connected to the bearing sleeve through screws.
Furthermore, a connecting key used for being connected with the sun wheel is arranged on the sun wheel driving head.
Furthermore, the top of the rotating shaft is provided with a plug connector, and a plug groove is arranged below the sun wheel driving head;
the plug connector is plugged in the plugging groove.
Furthermore, two bearings are arranged on the rotating shaft;
and a rotating shaft boss is arranged between the two bearings on the rotating shaft.
The technical scheme of the utility model also provides a planetary gear train device, including the gear box, set up the ring gear in the gear box, set up the sun gear in the gear box, dispose in the planet wheel subassembly between ring gear and the sun gear and the assembly tool of any preceding technical scheme;
the planet wheel assembly comprises a planet carrier sleeved on the sun wheel and a plurality of planet wheels arranged on the planet carrier, and the planet wheels are arranged on the planet carrier through planet wheel bearings;
the assembling tool is detachably assembled on the gear box;
the bottom of the gear box is provided with a gear box concave part, and a gear box connecting part is arranged in the gear box concave part;
the bottom end of the sun gear is provided with a sun gear connecting end, and the sun gear connecting end is positioned in the concave part of the gear box;
a sun wheel driving head in the assembling tool is positioned in the concave part of the gear box and is detachably connected with the connecting end of the sun wheel;
the connecting piece in the assembling tool is positioned in the gear box concave part and is detachably connected with the gear box connecting part;
the drive handle in the assembly tool is located outside the gear box.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides an assembly tool and planetary gear train device, its simple structure, convenient to use can realize through the assembly tool that the planet wheel pairs with the ring gear in, adjusts the phase place of sun gear to the completion is with the planet wheel assembly between ring gear and the sun gear.
Drawings
Fig. 1 is a schematic structural diagram of an assembly tool according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection between the shaft and the driving handle;
FIG. 3 is a schematic view of a bearing seat with a bearing disposed thereon;
FIG. 4 is an exploded view of the bearing housing and bearing shown in FIG. 3;
FIG. 5 is a schematic view of an oil reservoir provided in the bearing inner race;
FIG. 6 is a schematic view of a sleeve connector provided on a connecting sleeve;
FIG. 7 is a cross-sectional view of the sun gear drive head;
fig. 8 is a schematic view of a planetary gear train device according to an embodiment of the present invention;
FIG. 9 is an enlarged partial view of the planet assembly;
FIG. 10 is an enlarged view of a portion of a recess of a gearbox.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, an assembly tool 100 for assembling a planetary gear train according to an embodiment of the present invention includes a rotating shaft 1, a driving handle 2, a bearing 3, a bearing seat 4, and a connecting member 5 for connecting with a gear box 201 in the planetary gear train.
Bearing frame 4 cup joints on pivot 1, and bearing 3 is installed between bearing frame 4 and pivot 1. The connecting piece 5 is arranged on the bearing seat 4, and the driving handle 2 is detachably arranged on the rotating shaft 1.
The top end of the rotating shaft 1 extends out of the bearing seat 4, and a sun wheel driving head 6 used for being connected with a sun wheel 203 in the planetary gear train is arranged at the top end of the rotating shaft 1.
As shown in fig. 9-10, the planetary gear train is composed of a sun gear 203, an inner gear ring 202, a planetary gear assembly 204, and the like, and the planetary gear assembly 204 includes a planet carrier 2041, a planet gear 2042, a planet gear bearing 203, and a planet pin 2044.
The sun gear 203, the annulus gear 202 and the planet gear assembly 204 are assembled within the gearbox 201. The sun gear 203 is assembled at the center, and the inner gear ring 202 is sleeved on the sun gear 203, and a mounting space is formed between the sun gear 203 and the inner gear ring for mounting the planet gear assembly 204.
The planet wheel bearing 203 is mounted on the planet carrier 2041 through a planet pin 2044, and the planet wheel 2042 is sleeved on the planet wheel bearing 203. The planet gears 2042 are also mounted between the sun gear 203 and the ring gear 202.
The utility model provides an assembly tool 100 mainly used the assembly of above-mentioned planetary gear train. The assembly tool 100 is mainly composed of a rotating shaft 1, a driving handle 2, a bearing 3, a bearing seat 4, a connecting piece 5 and a sun gear driving head 6.
The bearing block 4 is assembled on the rotating shaft 1 through the bearing 3, and the driving handle 7 is installed at the lower part of the rotating shaft 1. The connecting piece 5 is arranged on the bearing seat 4, and the sun wheel driving head 6 is arranged on the top end of the rotating shaft 1.
Referring to fig. 1 and fig. 8-10, when a planetary gear train needs to be assembled, the installation of the inner gear ring 202 and the sun gear 203 is completed first, when the planetary gear assembly 204 is installed, the condition that the tooth spaces of three or more planetary gears 2042 simultaneously correspond to the tooth spaces of the inner gear ring 202 and the sun gear 203 simultaneously is needed, at this time, the assembling tool 100 needs to be installed at a designated position of the gear box 201, the assembling tool is connected with the gear box connecting part 2012 of the gear box 201 through the connecting part 5, the sun gear driving head 6 is connected with the sun gear connecting end 2031 of the sun gear 203 for positioning, the tooth spaces of the planetary gears 2042 correspond to the tooth spaces of the inner gear ring 202, then the driving handle 2 is rotated slowly, the driving handle 2 drives the rotating shaft 1 to rotate, further drives the sun gear 203 to rotate slowly, the tooth direction of the sun gear 203 is finely adjusted in this way, the corresponding to the tooth spaces of the planetary gears 2042 is realized, the planetary gear train is correctly assembled.
Preferably, as shown in fig. 1-4, the bearing housing 4 includes a bearing housing base plate 41, a bearing sleeve 42 disposed on the bearing housing base plate 41, and a bearing housing top cover 43 disposed over the bearing sleeve 42.
The rotating shaft 1 sequentially passes through the bearing seat bottom plate 41, the bearing sleeve 42 and the bearing seat top cover 43.
The bearing 3 is fitted between the rotating shaft 1 and the inner surface of the bearing sleeve 42, and the coupling member 5 is detachably mounted on the bearing housing bottom plate 41.
So set up, conveniently assemble bearing 3. During the assembly, assemble the bearing in bearing sleeve 42 earlier, then pass bearing frame bottom plate 41, bearing sleeve 42 and bearing 3 with pivot 1, install bearing frame top cap 43 on the top of bearing sleeve 42 again, accomplish the installation of bearing frame 4, realize assembling bearing 3 between pivot 1 and bearing sleeve 42, can also avoid bearing 3 to break away from bearing sleeve 42.
Preferably, as shown in fig. 4 and 5, the bearing 3 includes a bearing outer ring 32 and a bearing inner ring 31, and balls 33 are disposed between the bearing inner ring 31 and the bearing outer ring 32.
The bearing inner ring 31 is sleeved on the rotating shaft 1, and the bearing sleeve 42 is sleeved on the bearing outer ring 32.
The bearing inner race 31 is provided with an oil reservoir 34, the bearing inner race 41 is provided with an oil supply pipe 35 connected to the oil reservoir 34, and the oil supply pipe 35 is provided with a seal cover 36.
The provision of the oil reservoir 34 can lubricate the balls 33, supply oil into the oil reservoir 34 through the oil supply pipe 35, and seal the oil supply pipe 35 with the seal cap 36.
Preferably, the oil supply pipe 35 is a rubber hose, and can be bent as required, so that the arrangement is convenient.
Preferably, as shown in fig. 6, the connecting member 5 is a connecting sleeve 51, and the connecting sleeve 51 is mounted on the bearing housing base plate 41. The top end of the connection sleeve 51 is provided with a sleeve connector 52 for connection with the gear housing 201.
Preferably, the bearing sleeve 42 is integrally formed on the bearing housing base plate 41, and the bearing housing top cover 43 is attached to the bearing sleeve 42 by screws 44. Bearing sleeve 42 integrated into one piece has improved structural strength on bearing frame bottom plate 41, and bearing frame top cap 43 passes through screw 44 to be connected on bearing sleeve 42, makes things convenient for equipment and dismantlement maintenance.
Preferably, as shown in fig. 7, a connection key 61 for connecting with the sun gear 203 is provided on the sun gear driving head 6. The sun wheel 203 is provided with a connecting groove, and during assembly, the connecting key 61 on the sun wheel driving head 6 is inserted into the connecting groove on the sun wheel 203, so that the detachable connection and assembly of the sun wheel 203 and the connecting key are completed.
Preferably, as shown in fig. 2 and 7, the top of the rotating shaft 1 is provided with a plug 12, and a plug groove 62 is provided below the sun gear driving head 6, and the plug 12 is plugged in the plug groove 62. The plug 12 may be in the shape of a straight line, a cross, etc., and the plug groove 62 may be correspondingly in the shape of a straight line, a cross, etc. So set up, both can realize being connected between pivot 1 and the sun gear drive head 6, can also drive sun gear drive head 6 through pivot 1 and rotate, and then drive sun gear 203 and rotate.
Preferably, as shown in fig. 1-4, two bearings 3 are disposed on the rotating shaft 1. Wherein, a rotating shaft boss 11 is arranged between the two bearings 3 on the rotating shaft 1 and used for positioning the bearings 3 at the upper side and the lower side and improving the stability of assembly.
As shown in fig. 8 to 10, an embodiment of the present invention provides a planetary gear train device 200, which includes a gear box 201, an inner gear ring 202 disposed in the gear box 201, a sun gear 203 disposed in the gear box 201, a planetary gear assembly 204 disposed between the inner gear ring 202 and the sun gear 203, and the assembly tool 100 described in any of the foregoing embodiments.
The planetary gear assembly 204 includes a planet carrier 2041 sleeved on the sun gear 203 and a plurality of planetary gears 2042 arranged on the planet carrier 2041, and the planetary gears 2042 are mounted on the planet carrier 2041 through planetary gear bearings 2043.
The assembly tool 100 is detachably assembled on the gear housing 201.
The bottom of the gear box 201 has a gear box recess 2011 with a gear box connection 2012 within the gear box recess 2011.
The bottom end of sun gear 203 has a sun gear attachment end 2031, and sun gear attachment end 2031 is located within gear case recess 2011.
Sun gear drive head 6 in assembly tool 100 is located within gear case recess 2011 and is removably connected to sun gear connection end 2031.
The connector 5 in the assembly tool 100 is located in the gear box recess 2011 and is detachably connected to the gear box connector 2012.
The drive handle 7 in the assembly tool 100 is located outside the gear box 201.
As shown in fig. 9-10, the planetary gear train is composed of a sun gear 203, an inner gear ring 202, a planetary gear assembly 204, and the like, and the planetary gear assembly 204 includes a planet carrier 2041, a planet gear 2042, a planet gear bearing 203, and a planet pin 2044.
The sun gear 203, the annulus gear 202 and the planet gear assembly 204 are assembled within the gearbox 201. The sun gear 203 is assembled at the center, and the inner gear ring 202 is sleeved on the sun gear 203, and a mounting space is formed between the sun gear 203 and the inner gear ring for mounting the planet gear assembly 204.
The planet wheel bearing 203 is mounted on the planet carrier 2041 through a planet pin 2044, and the planet wheel 2042 is sleeved on the planet wheel bearing 203. The planet gears 2042 are also mounted between the sun gear 203 and the ring gear 202.
Planet gears 2042 are annular, have outer splines on their outer annular surface for meshing with the teeth of inner ring gear 202, and have inner splines on their inner annular surface for meshing with the teeth of sun gear 203.
With regard to the structure, structure and operation principle of the assembly tool 100, please refer to the description of the assembly tool 100, which is not repeated herein.
A sun gear connection end 2031 is provided at the lower end of the sun gear 203, and a connection groove 2032 is provided at the sun gear connection end 2031.
A gear case recess 2011 is provided in the bottom of the gear case 201, and a gear case connection 2012 is provided in the gear case recess 2011. The gear case connecting part 2012 may be a connecting groove, a connecting pin, a connecting plug, etc.
During assembly, the sun gear drive head 6 is inserted into the gear case recess 2011 and removably connected to the sun gear connection end 2031. The connecting member 5 is inserted into the gear case recess 2011 and detachably connected to the gear case connecting portion 2012. The drive handle 7 is arranged outside the gear case 201. This enables the assembly tool 100 to be detachably assembled to the gear housing 201.
When a planetary gear train needs to be assembled, the inner gear ring 202 and the sun gear 203 are installed firstly, when a planetary gear assembly 204 is installed, three or more outer tooth grooves of the planetary gears 2042 need to simultaneously correspond to the inner gear ring 202, and three or more inner tooth grooves of the planetary gears 2042 correspond to the teeth of the sun gear 203, at this time, the assembling tool 100 needs to be installed at a specified position of the gear box 201, the assembling tool is connected with a gear box connecting part 2012 of the gear box 201 through a connecting part 5, a sun gear driving head 6 is connected and positioned with a sun gear connecting end 2031 of the sun gear 203, the outer tooth grooves of the planetary gears 2042 correspond to the teeth of the inner gear ring 202, then the driving handle 2 is rotated slowly, the driving handle 2 drives the rotating shaft 1 to rotate slowly, the sun gear 203 is further driven to rotate slowly, the tooth direction of the sun gear 203 is finely adjusted in this way, the correspondence to the inner tooth grooves of the planetary gears 2042 is realized, then, the teeth of the internal spline sun gear 203 of each planet wheel 2042 correspond to each other, so that the planetary gear train is correctly assembled.
After assembly is complete, the assembly tool 100 is removed from the gearbox 201 and sun gear 203.
To sum up, the utility model provides an assembly tool and planetary gear train device, its simple structure, convenient to use can realize through the assembly tool that planetary gear and ring gear mate the while, adjust the phase place of sun gear to the completion is with the planet wheel assembly between ring gear and the sun gear.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. An assembling tool for assembling a planetary gear train is characterized by comprising a rotating shaft, a driving handle, a bearing seat and a connecting piece for connecting with a gear box in the planetary gear train;
the bearing seat is sleeved on the rotating shaft, and the bearing is arranged between the bearing seat and the rotating shaft;
the connecting piece is arranged on the bearing seat;
the driving handle is detachably arranged on the rotating shaft;
the top end of the rotating shaft extends out of the upper part of the bearing seat;
and a sun wheel driving head used for being connected with a sun wheel in the planetary gear train is arranged at the top end of the rotating shaft.
2. The assembly tool of claim 1, wherein the bearing housing comprises a bearing housing floor, a bearing sleeve disposed on the bearing housing floor, and a bearing housing top cover disposed over the bearing sleeve;
the rotating shaft sequentially penetrates through the bearing seat bottom plate, the bearing sleeve and the bearing seat top cover;
the bearing is fitted between the rotating shaft and the inner surface of the bearing sleeve;
the connecting piece is detachably arranged on the bearing seat bottom plate.
3. The assembly tool of claim 2, wherein the bearing comprises an outer bearing ring and an inner bearing ring with balls disposed therebetween;
the bearing inner ring is sleeved on the rotating shaft, and the bearing sleeve is sleeved on the bearing outer ring;
the bearing comprises a bearing inner ring, a bearing outer ring and a bearing inner ring, wherein an oil storage groove is formed in the bearing inner ring, an oil supply pipe connected with the oil storage groove is arranged on the bearing inner ring, and a sealing cover is arranged on the oil supply pipe.
4. The assembly tool of claim 3, wherein the oil supply tube is a rubber hose.
5. The assembly tool of claim 2, wherein the connector is a connector sleeve mounted on the bearing housing floor;
the top end of the connecting sleeve is provided with a sleeve plug connector used for being connected with the gear box.
6. The assembly tool of claim 2, wherein the bearing sleeve is integrally formed on the bearing housing base plate and the bearing housing top cover is attached to the bearing sleeve by screws.
7. Assembly tool according to any one of the claims 1-6, wherein a connection key for connection with the sun wheel is provided on the sun wheel drive head.
8. The assembly tool of any one of claims 1 to 6, wherein a plug connector is arranged at the top of the rotating shaft, and a plug groove is arranged below the sun wheel driving head;
the plug connector is plugged in the plugging groove.
9. The assembly tool according to claim 1, wherein two of the bearings are provided on the rotary shaft;
and a rotating shaft boss is arranged between the two bearings on the rotating shaft.
10. A planetary gear set arrangement comprising a gear box, an annulus gear arranged within the gear box, a sun gear arranged within the gear box, a planetary gear assembly arranged between the annulus gear and the sun gear and an assembly tool according to any of claims 1-9;
the planet wheel assembly comprises a planet carrier sleeved on the sun wheel and a plurality of planet wheels arranged on the planet carrier, and the planet wheels are arranged on the planet carrier through planet wheel bearings;
the assembling tool is detachably assembled on the gear box;
the bottom of the gear box is provided with a gear box concave part, and a gear box connecting part is arranged in the gear box concave part;
the bottom end of the sun gear is provided with a sun gear connecting end, and the sun gear connecting end is positioned in the concave part of the gear box;
a sun wheel driving head in the assembling tool is positioned in the concave part of the gear box and is detachably connected with the connecting end of the sun wheel;
the connecting piece in the assembling tool is positioned in the gear box concave part and is detachably connected with the gear box connecting part;
the drive handle in the assembly tool is located outside the gear box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817621.7U CN210139178U (en) | 2019-05-31 | 2019-05-31 | Assembling tool for assembling planetary gear train and planetary gear train device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817621.7U CN210139178U (en) | 2019-05-31 | 2019-05-31 | Assembling tool for assembling planetary gear train and planetary gear train device |
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| Publication Number | Publication Date |
|---|---|
| CN210139178U true CN210139178U (en) | 2020-03-13 |
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| CN201920817621.7U Active CN210139178U (en) | 2019-05-31 | 2019-05-31 | Assembling tool for assembling planetary gear train and planetary gear train device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125678A (en) * | 2019-05-31 | 2019-08-16 | 中国神华能源股份有限公司 | A kind of assembling tool, planetary gear train device and assemble method |
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2019
- 2019-05-31 CN CN201920817621.7U patent/CN210139178U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125678A (en) * | 2019-05-31 | 2019-08-16 | 中国神华能源股份有限公司 | A kind of assembling tool, planetary gear train device and assemble method |
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