CN220523249U - Gearbox housing and centrally-mounted gearbox - Google Patents
Gearbox housing and centrally-mounted gearbox Download PDFInfo
- Publication number
- CN220523249U CN220523249U CN202322281272.0U CN202322281272U CN220523249U CN 220523249 U CN220523249 U CN 220523249U CN 202322281272 U CN202322281272 U CN 202322281272U CN 220523249 U CN220523249 U CN 220523249U
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- Prior art keywords
- power input
- input shaft
- shaft hole
- transmission
- shell body
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- 230000005540 biological transmission Effects 0.000 claims abstract description 65
- 238000007789 sealing Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 53
- 239000012208 gear oil Substances 0.000 abstract description 14
- 238000005461 lubrication Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 21
- 208000032369 Primary transmission Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model belongs to the technical field of transmission devices, and provides a gearbox housing and a centrally-mounted gearbox, wherein the gearbox housing comprises a housing body, a plurality of shaft holes are formed in the housing body, and each shaft hole comprises a power input shaft hole, a transmission shaft hole and a power output shaft hole; the shell body is provided with a power input shaft installation part which is integrally formed and provided with a power input shaft hole, a bearing installation position is arranged in the power input shaft installation part, and a first clamp spring installation groove is formed in the inner wall of the power input shaft installation part. The utility model discloses effectively ensured the position degree and the straightness that hangs down between power input shaft and one-level transmission shaft, and then made the transmission meshing between the awl dish tooth more accurate, and the bearing position of power input shaft is nearer from the cavity, and the gear oil in the cavity easily enters into power input shaft installation department position department and lubricates bearing and power input shaft, and lubrication effect is good, when improving power transmission, makes the life of gearbox prolong greatly.
Description
Technical Field
The utility model relates to the technical field of transmission devices, in particular to a gearbox shell and a centrally-mounted gearbox.
Background
The speed variator is used to change the rotation speed and torque of engine, and it can change the transmission ratio of output shaft and input shaft, and can transfer the power and rotation speed output by engine to hub via internal gear system to realize different speed and power output. The gear box consists of a speed-changing transmission mechanism and an operating mechanism, and the transmission mechanism is mostly driven by common gears and is also driven by planetary gears.
The gearbox shell is a shell structure for installing a transmission mechanism and accessories thereof; the existing gearbox housing is gradually found in the use process, and has the following defects:
(1) A bearing seat is fixedly arranged outside a gearbox shell in a flange connection mode, one end of a power input shaft is positioned outside the gearbox shell and is rotatably arranged by a bearing arranged in the bearing seat, and the mounting mode is difficult to ensure the position degree and the verticality between the power input shaft and a primary transmission shaft, so that the transmission meshing accuracy between conical disc teeth is poor;
(2) Because the bearing seat and the bearing for rotatably mounting the power input shaft are positioned outside the gearbox shell and are far away from the gearbox shell, gear oil in a cavity of the gearbox shell is not easy to enter the bearing seat, so that effective lubrication of the power input shaft and the bearing is difficult to realize, the bearing is easy to damage due to the fact that the lubrication is not in place, the power transmission is influenced, and meanwhile, the service life is greatly reduced;
(3) The shaft hole positions of the transmission shaft and the output shaft mostly utilize the bearing cover to realize the installation of the bearing on the shell, and because the bearing cover has processing and assembling differences, the accurate positioning installation of the bearing on the gearbox shell is difficult to realize, and the assembly and the replacement operations are complicated and inconvenient;
(4) The gear oil level in the gearbox housing is difficult to know and the gearbox housing needs to be disassembled to observe the gear oil level.
Disclosure of Invention
The present inventors have conducted intensive studies to overcome the above-mentioned drawbacks of the prior art, and have completed the present utility model after a great deal of creative effort.
Specifically, the technical problems to be solved by the utility model are as follows: the utility model provides a gearbox housing and put formula gearbox to solve present gearbox housing structure, be difficult to ensure the position degree and the straightness that hangs down between power input shaft and one-level transmission shaft, the position accuracy of bearing installation is low, is inconvenient for knowing gear oil level, and the technical problem that life is low.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the gearbox shell comprises a shell body, wherein a plurality of shaft holes are formed in the shell body, and each shaft hole comprises a power input shaft hole, a transmission shaft hole and a power output shaft hole;
the shell body is provided with a power input shaft installation part which is integrally formed and provided with a power input shaft hole, a bearing installation position is arranged in the power input shaft installation part, and a first clamp spring installation groove is formed in the inner wall of the power input shaft installation part.
As an improved technical scheme, two first jump ring mounting grooves are formed along the axial direction of the power input shaft mounting part, and bearing mounting positions are formed between the two first jump ring mounting grooves.
As an improved technical scheme, a glib mounting hole is formed in the shell body, and the glib mounting hole is formed in the power input shaft mounting part and at a position corresponding to the bearing mounting position.
As an improved technical scheme, a first internal thread is arranged on the power input shaft mounting part at the position of the oil nozzle mounting hole.
As an improved technical scheme, a plurality of reinforcing ribs are arranged between the power input shaft mounting part and the shell body, the reinforcing ribs are of an integrally formed structure of the shell body, and the reinforcing ribs are arranged around the power input shaft mounting part.
As an improved technical scheme, the transmission shaft hole comprises a first transmission shaft hole, a second transmission shaft hole and a third transmission shaft hole, a second snap spring mounting groove is formed in the shell body at the position corresponding to the first transmission shaft hole, and a third snap spring mounting groove is formed in the shell body at the position corresponding to the third transmission shaft hole;
and a fourth clamp spring mounting groove is formed in the shell body at the position of the shaft hole of the power output shaft.
As an improved technical scheme, a sealing cover is fixedly arranged on the shell body in a sealing way, and a lens mounting hole is formed in the sealing cover.
As an improved technical scheme, the sealing cover is arranged corresponding to the power input shaft hole, and a second internal thread is arranged on the sealing cover at the position of the lens mounting hole.
The utility model also discloses a centrally-mounted gearbox which comprises the gearbox shell.
After the technical scheme is adopted, the utility model has the beneficial effects that:
(1) This gearbox housing, through installing the jump ring in first jump ring mounting groove, can realize the location installation of bearing in power input shaft installation department, so, utilize jump ring and the bearing of power input shaft installation department to realize the rotation installation of power input shaft on the shell body, compared with traditional mode that realizes the power input shaft installation outside the shell body through the bearing frame, the position degree and the straightness that hangs down between power input shaft and one-level transmission shaft have effectively been ensured, and then the transmission meshing between the awl dish is more accurate, and the power input shaft installation department is the integrated into one piece structure of shell body and is close to the cavity of shell body, the bearing position of power input shaft is nearer from the cavity, gear oil in the cavity easily enters into power input shaft installation department position department and lubricates bearing and power input shaft, lubrication effect is good, when improving power transmission, make the life of gearbox prolong greatly.
(2) The oil nozzle mounting hole is formed in the power input shaft mounting portion and used for mounting the oil nozzle, and the oil nozzle is mounted so that oil can be conveniently injected into the bearing position of the power input shaft, and therefore the lubrication effect on the power input shaft and the mounting bearing of the power input shaft is further improved.
(3) The power input shaft mounting part is provided with the first internal thread at the position of the oil nozzle mounting hole, the installation of the oil nozzle is realized by utilizing a thread installation mode, the installation operation is simple and convenient, the installation tightness is good, and the disassembly and the replacement are convenient.
(4) The reinforcing ribs are arranged between the power input shaft mounting part and the shell body, so that the structural strength of the power input shaft mounting part is greatly improved.
(5) The inner wall of power input shaft installation department has seted up first jump ring mounting groove, second jump ring mounting groove and third jump ring mounting groove have been seted up respectively in first transmission shaft hole, third transmission shaft hole corresponding position department on the shell body, fourth jump ring mounting groove has been seted up in power output shaft hole position department on the shell body, realize the installation of jump ring through the jump ring mounting groove, and then utilize the jump ring to realize the location installation of each bearing on the shell body respectively, compare traditional gearbox bearing assembly structure, the location assembly operation of bearing is simpler, swiftly, and possess accurate position degree.
(6) The lens mounting hole that has seted up on the sealing cap for realize the installation of oil window, can follow the outer audio-visual oil level of observing cavity internal gear oil of shell body through the oil window, be convenient for select the gear oil to add or not according to the oil mass of gear oil how much.
(7) The second internal thread is arranged at the position of the lens mounting hole on the sealing cover, the oil observation window is mounted in a threaded mounting mode, the mounting operation is simple and convenient, and the mounting tightness is good.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a transmission housing of the present utility model;
FIG. 2 is another perspective view of the transmission housing of the present utility model;
FIG. 3 is a schematic view of yet another perspective of the transmission housing of the present utility model;
FIG. 4 is a schematic cross-sectional structural view of the transmission housing of the present utility model;
FIG. 5 is another cross-sectional structural schematic view of the transmission housing of the present utility model;
reference numerals: 1-a shell body; 101-a power input shaft mounting portion; 102-a nozzle mounting hole; 103-a first clamp spring mounting groove; 104-reinforcing ribs; 105-a second clamp spring mounting groove; 106-a third clamp spring mounting groove; 107-a fourth clamp spring mounting groove; 2-sealing cover; 201-lens mounting holes.
Detailed Description
The utility model will be further illustrated with reference to specific examples. The purpose and purpose of these exemplary embodiments are merely to illustrate the present utility model and are not intended to limit the true scope of the present utility model in any way.
As shown in fig. 1 to 5 together, the present embodiment provides a gearbox housing, including a housing body 1, the housing body 1 having a cavity for gear installation, the housing body 1 being provided with a plurality of shaft holes, the shaft holes including a power input shaft hole, a transmission shaft hole and a power output shaft hole, the power input shaft hole being used for implementing the installation of a power input shaft, the transmission shaft hole being used for implementing the installation of each transmission shaft, the power output shaft hole being used for implementing the installation of a power output shaft; the shell body 1 is provided with a power input shaft mounting part 101 which is integrally formed and provided with a power input shaft hole, a bearing mounting position is arranged in the power input shaft mounting part 101, and a first clamp spring mounting groove 103 is formed in the inner wall of the power input shaft mounting part 101.
In this embodiment, two first clamp spring mounting grooves 103 are provided along the axial direction of the power input shaft mounting portion 101, and a bearing mounting position is formed between the two first clamp spring mounting grooves 103.
Through installing the jump ring in first jump ring mounting groove 103, can realize the location installation of bearing in power input shaft installation department 101, so, utilize jump ring and the bearing of power input shaft installation department 101 to realize the rotation installation of power input shaft on shell body 1, compared with traditional mode that realizes the power input shaft installation outside shell body 1 through the bearing frame, the position degree and the straightness that hangs down between power input shaft and one-level transmission shaft have effectively been ensured, and then make the transmission meshing between the awl dish more accurate, and power input shaft installation department 101 is the integrated into one piece structure of shell body 1 and is close to the cavity of shell body 1, the bearing position of power input shaft is nearer to the cavity, gear oil in the cavity easily enters into power input shaft installation department 101 position department and lubricates bearing and power input shaft, lubrication effect is good, when improving power transmission, make the life of gearbox prolong greatly.
The shell body 1 is provided with a nozzle tip mounting hole 102, and the nozzle tip mounting hole 102 is arranged on the power input shaft mounting part 101 and at a position corresponding to the bearing mounting position; the oil nozzle mounting hole 102 is used for realizing the installation of the oil nozzle, and the oil nozzle is installed, so that the oil is conveniently injected into the bearing position of the power input shaft, and the lubricating effect on the power input shaft and the installation bearing of the power input shaft is further improved.
In this embodiment, the power input shaft mounting portion 101 is provided with the first internal thread at the position of the nozzle tip mounting hole 102, and the installation of the nozzle tip is realized by using a thread installation mode, so that the installation operation is simple and convenient, the installation tightness is good, and the disassembly and the replacement are convenient.
A plurality of reinforcing ribs 104 are arranged between the power input shaft mounting part 101 and the shell body 1, the reinforcing ribs 104 are of an integrally formed structure of the shell body 1, the plurality of reinforcing ribs 104 are arranged around the power input shaft mounting part 101, and the structural strength of the power input shaft mounting part 101 is greatly improved by the arranged reinforcing ribs 104.
The transmission shaft holes comprise a first transmission shaft hole, a second transmission shaft hole and a third transmission shaft hole, the first transmission shaft hole is close to the power input shaft hole, the third transmission shaft hole is close to the power output shaft hole, and the second transmission shaft hole is positioned between the first transmission shaft hole and the third transmission shaft hole; a second clamp spring mounting groove 105 is formed in the shell body 1 at a position corresponding to the first transmission shaft hole, and a third clamp spring mounting groove 106 is formed in the shell body 1 at a position corresponding to the third transmission shaft hole; a fourth clamp spring mounting groove 107 is formed in the shell body 1 at the position of the shaft hole of the power output shaft. The snap springs are installed through the snap spring installation grooves, and then the snap springs are utilized to respectively realize the positioning installation of each bearing on the shell body 1, and compared with a traditional gearbox bearing assembly structure, the positioning assembly operation of the bearings is simpler and faster, and the positioning assembly structure has accurate position degree.
The sealing cover 2 is fixedly mounted on the shell body 1 in a sealing way, the lens mounting hole 201 is formed in the sealing cover 2, the lens mounting hole 201 is used for mounting an oil observing window, the oil level of the gear oil in the cavity can be visually observed from the outside of the shell body 1 through the oil observing window, and whether gear oil is added or not can be conveniently selected according to the oil quantity of the gear oil.
In this embodiment, sealed lid 2 utilizes mounting bolt fixed mounting to be on shell body 1, and sealed lid 2 corresponds the setting with power input shaft hole, and sealed lid 2 is last to be equipped with the second internal thread in lens mounting hole 201 position department, utilizes the mode of screw installation to realize the installation of oil window, and installation easy operation is convenient, and the installation leakproofness is good.
Based on this gearbox casing of above-mentioned structure, the accurate location installation of each bearing on shell body 1 of being convenient for, and assembly operation is simpler, swift, simultaneously, good solution power input shaft and one-level transmission shaft's position degree and straightness problem that hangs down for improve greatly the lubrication effect to power transmission shaft and bearing position thereof, in addition, be convenient for observe the gear oil level in the cavity, convenient and practical.
The present embodiment also provides a centrally-mounted gearbox, including the gearbox housing described above, and the assembly of the shafts and gears on the gearbox housing is common to those skilled in the art, so that the description thereof will not be repeated here.
The middle-mounted gearbox in the embodiment comprises, but is not limited to, a 125 type gearbox, a 140 type gearbox, a 150 type gearbox, a 170 type gearbox, a 180 type gearbox, a greenhouse king type gearbox, a middle-high box fork box and the like.
The centrally-mounted gearbox can be used for rotary tillers, adjusts the rotation speed and torque, realizes power transmission and changes the transmission ratio so as to adapt to different cultivation depths and operation speeds and improve cultivation efficiency.
It should be understood that these examples are for the purpose of illustrating the utility model only and are not intended to limit the scope of the utility model. Furthermore, it is to be understood that various changes, modifications and/or variations may be made by those skilled in the art after reading the technical content of the present utility model, and that all such equivalents are intended to fall within the scope of protection defined in the claims appended hereto.
Claims (8)
1. The gearbox shell comprises a shell body, wherein a plurality of shaft holes are formed in the shell body, and each shaft hole comprises a power input shaft hole, a transmission shaft hole and a power output shaft hole; the method is characterized in that:
the shell body is provided with a power input shaft mounting part which is integrally formed and provided with the power input shaft hole, a bearing mounting position is arranged in the power input shaft mounting part, and a first clamp spring mounting groove is formed in the inner wall of the power input shaft mounting part;
the two first jump ring mounting grooves are formed along the axial direction of the power input shaft mounting part, and the bearing mounting position is formed between the two first jump ring mounting grooves.
2. The transmission housing of claim 1, wherein: the shell body is provided with a nozzle tip mounting hole which is formed in the power input shaft mounting part and at a position corresponding to the bearing mounting position.
3. The transmission housing of claim 2, wherein: and a first internal thread is arranged on the power input shaft mounting part at the position of the oil nozzle mounting hole.
4. The transmission housing of claim 3, wherein: the power input shaft mounting part is provided with a plurality of reinforcing ribs between the power input shaft mounting part and the shell body, the reinforcing ribs are of an integrated structure of the shell body, and the reinforcing ribs surround the power input shaft mounting part.
5. The transmission housing of claim 1, wherein: the transmission shaft hole comprises a first transmission shaft hole, a second transmission shaft hole and a third transmission shaft hole, a second clamp spring mounting groove is formed in the shell body at the position corresponding to the first transmission shaft hole, and a third clamp spring mounting groove is formed in the shell body at the position corresponding to the third transmission shaft hole;
and a fourth clamp spring mounting groove is formed in the shell body at the position of the shaft hole of the power output shaft.
6. The transmission housing of claim 1, wherein: the shell body is provided with a sealing cover in a sealing and fixing manner, and the sealing cover is provided with a lens mounting hole.
7. The transmission housing of claim 6, wherein: the sealing cover is arranged corresponding to the power input shaft hole, and a second internal thread is arranged on the sealing cover at the position of the lens mounting hole.
8. A centrally-mounted gearbox, characterized in that: comprising a gearbox housing according to any of the claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281272.0U CN220523249U (en) | 2023-08-24 | 2023-08-24 | Gearbox housing and centrally-mounted gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281272.0U CN220523249U (en) | 2023-08-24 | 2023-08-24 | Gearbox housing and centrally-mounted gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523249U true CN220523249U (en) | 2024-02-23 |
Family
ID=89937597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322281272.0U Active CN220523249U (en) | 2023-08-24 | 2023-08-24 | Gearbox housing and centrally-mounted gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523249U (en) |
-
2023
- 2023-08-24 CN CN202322281272.0U patent/CN220523249U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |