CN219692148U - Powder metallurgy gear box convenient to assembly - Google Patents
Powder metallurgy gear box convenient to assembly Download PDFInfo
- Publication number
- CN219692148U CN219692148U CN202321056433.XU CN202321056433U CN219692148U CN 219692148 U CN219692148 U CN 219692148U CN 202321056433 U CN202321056433 U CN 202321056433U CN 219692148 U CN219692148 U CN 219692148U
- Authority
- CN
- China
- Prior art keywords
- gear
- end cover
- planetary
- shaft
- rear end
- 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.)
- Active
Links
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
The utility model discloses a powder metallurgy gear box convenient to assemble, which comprises a front end cover and a rear end cover, wherein a transmission assembly is arranged between the front end cover and the rear end cover, the transmission assembly comprises a driving planetary shaft, the driving planetary shaft is provided with a plurality of gear mounting shafts, each gear mounting shaft is provided with a planetary gear, and a central gear is arranged between the plurality of planetary gears; the sun gear is arranged on the planet carrier, the planet carrier is provided with a plurality of gear mounting shafts, the planet gears are arranged on each gear mounting shaft, and the sun gear is arranged between a plurality of second planet gears; an inner gear ring is clamped between the front end cover and the rear end cover, the inner gear ring, the first planetary gears and the second planetary gears are meshed with each other, and the rear end cover is provided with a motor shaft hole through which a motor shaft passes. The novel assembly fixture designed by the utility model has the advantages of error proofing function, improvement of assembly efficiency, labor saving and more stable, convenient and safe assembly.
Description
Technical Field
The utility model relates to a powder metallurgy gear box convenient to assemble.
Background
The gearbox is a transmission component for acceleration and deceleration, and not only can change the direction of force, but also can change the rotation moment. The existing gear box is generally composed of a plurality of parts such as an inner gear ring, a planetary gear and a planetary carrier, and the assembly efficiency is affected due to the fact that errors are prone to occurring in assembly.
Disclosure of Invention
The utility model aims to provide a powder metallurgy gear box convenient to assemble, which has the characteristics of simple, quick, safe and labor-saving use, has an error-proofing function and can improve the assembly efficiency.
In order to achieve the technical purpose, the technical scheme of the utility model is as follows:
the powder metallurgy gear box comprises a front end cover and a rear end cover, wherein a transmission assembly is arranged between the front end cover and the rear end cover, the transmission assembly comprises a driving planetary shaft, the head part of the driving planetary shaft penetrates through the front end cover, the tail part of the driving planetary shaft is provided with a plurality of first gear mounting shafts, each first gear mounting shaft is provided with a first planetary gear, a first central gear is arranged among the plurality of first planetary gears, and the first central gear is meshed with the plurality of first planetary gears; the first sun gear is arranged on the planet carrier, the tail part of the planet carrier is provided with a plurality of second gear installation shafts, each second gear installation shaft is provided with a second planet gear, a second sun gear is arranged among the plurality of second planet gears, and the second sun gear and the plurality of second planet gears are meshed with each other; an inner gear ring is clamped between the front end cover and the rear end cover, the inner gear ring, the first planetary gears and the second planetary gears are meshed with each other, the second central gear is used for being connected with a motor shaft, and the rear end cover is provided with a motor shaft hole through which a motor shaft passes.
Preferably, the first gear mounting shaft and the second gear mounting shaft are three.
The front end cover and the rear end cover are connected through screws, and the inner gear ring is provided with screw holes for screws to pass through.
The inner gear ring is characterized in that stepped grooves are formed in two ends of the inner gear ring, and step blocks matched with the stepped grooves are arranged on the front end cover and the rear end cover.
The driving planetary shaft is sleeved with a ball bearing, and the front end cover is provided with a clamping groove for installing the ball bearing.
A first washer is disposed between the first planet gears and the planet carrier.
The inner gear ring is molded by adopting the powder metallurgy die at one time, so that the production efficiency of the gear box is improved. The novel assembly fixture designed by the utility model has the advantages of error proofing function, improvement of assembly efficiency, labor saving and more stable, convenient and safe assembly.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic diagram of an explosive structure according to the present utility model.
FIG. 3 is a schematic view of a ball bearing mounting structure according to the present utility model.
Detailed Description
As shown in fig. 1-3, a powder metallurgy gear box convenient to assemble comprises a front end cover 1 and a rear end cover 7, wherein an annular gear 6 is clamped between the front end cover 1 and the rear end cover 7, stepped grooves 61 are formed in two ends of the annular gear 6, stepped blocks 62 matched with the stepped grooves 61 are arranged on the front end cover 1 and the rear end cover 7, and the front end cover 1, the annular gear 6 and the rear end cover 7 are connected in a matched and positioned mode through the stepped grooves 61 and the stepped blocks 62.
The inner gear ring 6 is provided with screw holes for screws 9 to pass through, and the front end cover 1, the inner gear ring 6 and the rear end cover 7 are fixedly connected through the screws 9.
A transmission assembly is arranged between the front end cover 1 and the rear end cover 7, the transmission assembly comprises a driving planetary shaft 2, the front end cover 1 is provided with a clamping groove for installing a ball bearing 12, the ball bearing 12 is installed in the clamping groove and sleeved with the driving planetary shaft 2, and the head of the driving planetary shaft 2 protrudes out of the outer surface of the front end cover 1. That is, the driving planetary shaft 2 head penetrates through the front end cover 1.
The driving planetary shaft 2 comprises a disc body 21 at the tail part of the driving planetary shaft 2, three first gear installation shafts 22 are arranged at the bottom of the disc body 21, first planet gears 3 are installed on each first gear installation shaft 22, a first sun gear 41 is installed between the three first planet gears 3, the first sun gear 41 is meshed with the three first planet gears 3, and the three first planet gears 3 are meshed with the inner gear ring 6.
The first sun gear 41 is arranged on the planet carrier 4, three second gear mounting shafts 42 are arranged at the tail of the planet carrier 4, second planet gears 5 are mounted on each second gear mounting shaft 42, second sun gears 8 are mounted among the three second planet gears 5, the second sun gears 8 are meshed with the three second planet gears 5, and inner gear rings 6 of the three second planet gears 5 are meshed with each other.
The second sun gear 8 is used for being connected with a motor shaft of a driving motor, and the rear end cover 7 is provided with a motor shaft hole 71 through which the motor shaft passes.
A first washer 31 is arranged between the first planetary gear 3 and the carrier 4.
During assembly, the front end cover 1 is taken, the driving planetary shaft 2 is firstly penetrated into the ball bearing 12 of the front end cover 1, and then the first planetary gears 3, the planet carrier 4, the second planetary gears 5 and the second sun gear 8 are sequentially assembled. After the second sun gear 8 is assembled, the inner gear ring 6 is sleeved outside the three first planetary gears 3 and the three second planetary gears 5, then the rear end cover 7 is arranged, and the front end cover 1, the inner gear ring 6 and the rear end cover 7 are fixedly connected through screws 9 to finish the installation.
The inner gear ring is molded by adopting the powder metallurgy die at one time, so that the production efficiency of the gear box is improved. The novel assembly fixture designed by the utility model has the advantages of error proofing function, improvement of assembly efficiency, labor saving and more stable, convenient and safe assembly.
The above embodiments do not limit the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of the present utility model.
Claims (6)
1. A powder metallurgy gear box convenient to assembly, its characterized in that: the transmission assembly comprises a driving planetary shaft, the head part of the driving planetary shaft penetrates through the front end cover, the tail part of the driving planetary shaft is provided with a plurality of first gear mounting shafts, each first gear mounting shaft is provided with a first planetary gear, a first sun gear is arranged among the plurality of first planetary gears, and the first sun gear and the plurality of first planetary gears are meshed with each other; the first sun gear is arranged on the planet carrier, the tail part of the planet carrier is provided with a plurality of second gear installation shafts, each second gear installation shaft is provided with a second planet gear, a second sun gear is arranged among the plurality of second planet gears, and the second sun gear and the plurality of second planet gears are meshed with each other; an inner gear ring is clamped between the front end cover and the rear end cover, the inner gear ring, the first planetary gears and the second planetary gears are meshed with each other, the second central gear is used for being connected with a motor shaft, and the rear end cover is provided with a motor shaft hole through which a motor shaft passes.
2. A powder metallurgy gearbox according to claim 1 which is convenient to assemble and wherein: the number of the first gear installation shafts and the second gear installation shafts is three.
3. A powder metallurgy gearbox according to claim 1 which is convenient to assemble and wherein: the front end cover and the rear end cover are connected through screws, and the inner gear ring is provided with screw holes for screws to pass through.
4. A powder metallurgy gearbox according to claim 1 which is convenient to assemble and wherein: the inner gear ring is characterized in that stepped grooves are formed in two ends of the inner gear ring, and step blocks matched with the stepped grooves are arranged on the front end cover and the rear end cover.
5. A powder metallurgy gearbox according to claim 1 which is convenient to assemble and wherein: the driving planetary shaft is sleeved with a ball bearing, and the front end cover is provided with a clamping groove for installing the ball bearing.
6. A powder metallurgy gearbox according to claim 1 which is convenient to assemble and wherein: a first washer is disposed between the first planet gears and the planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056433.XU CN219692148U (en) | 2023-05-06 | 2023-05-06 | Powder metallurgy gear box convenient to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056433.XU CN219692148U (en) | 2023-05-06 | 2023-05-06 | Powder metallurgy gear box convenient to assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692148U true CN219692148U (en) | 2023-09-15 |
Family
ID=87943347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056433.XU Active CN219692148U (en) | 2023-05-06 | 2023-05-06 | Powder metallurgy gear box convenient to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692148U (en) |
-
2023
- 2023-05-06 CN CN202321056433.XU patent/CN219692148U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105090380A (en) | Planetary gear transmission mechanism | |
| CN205118145U (en) | Accurate step down gear mechanism | |
| CN219692148U (en) | Powder metallurgy gear box convenient to assembly | |
| CN202118154U (en) | Electronic parking actuator for brake system of motor vehicle | |
| CN107542863B (en) | Three-planetary-row hybrid power two-gear automatic transmission assembly | |
| CN110985619B (en) | Integrated planetary mechanism two-gear transmission | |
| KR100641651B1 (en) | Structure of self-centering type for satellite gear decelerate | |
| CN210531521U (en) | Planetary reducer | |
| CN214850844U (en) | Planetary right-angle speed reduction motor | |
| CN202520876U (en) | Motor gear box | |
| CN219282378U (en) | Worm gear and planetary gear horizontal speed reducer | |
| CN220688000U (en) | Planetary reducer output shaft | |
| CN210637454U (en) | Planetary belt bevel gear assembly structure | |
| CN214465964U (en) | Compact multi-stage planetary reducer | |
| CN211550460U (en) | High-performance reduction gearbox of pure electric commercial vehicle | |
| CN219444926U (en) | Electric wrench | |
| CN220639487U (en) | Coaxial three-in-one electric drive bridge with duplex planetary gear set structure | |
| CN210255310U (en) | Six-station crown turret | |
| CN215110335U (en) | Three-stage speed reducer | |
| CN219774771U (en) | Planet carrier combined mechanism | |
| CN212225893U (en) | A planet gear motor for safety inspection door | |
| CN212839201U (en) | Output bearing strengthening structure of planetary reducer | |
| CN212455372U (en) | Planetary reducer with rolling bearing | |
| CN217814807U (en) | Stop structure of electric tool | |
| CN214734065U (en) | Installation structure of planetary reduction driving device and crane hoist body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |