CN215059344U - Power output structure of gear box - Google Patents
Power output structure of gear box Download PDFInfo
- Publication number
- CN215059344U CN215059344U CN202121182213.2U CN202121182213U CN215059344U CN 215059344 U CN215059344 U CN 215059344U CN 202121182213 U CN202121182213 U CN 202121182213U CN 215059344 U CN215059344 U CN 215059344U
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- main shaft
- convex column
- mounting groove
- shaft
- gasket
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- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 2
- 230000006978 adaptation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model provides a gear box power take off structure belongs to mechanical technical field. The power output structure of the gear box comprises a box body, a transmission gear arranged in the box body, and a main shaft and an auxiliary shaft which are horizontally and rotatably arranged in the box body, wherein the main shaft and the auxiliary shaft are coaxially arranged, the front end of the main shaft and the rear end of the auxiliary shaft extend out of the box body, the transmission gear is fixedly connected with the main shaft, the rear end of the main shaft is axially provided with a mounting groove, a convex column is integrally formed on the front end surface of the auxiliary shaft, the convex column, the mounting groove and the main shaft are coaxial, and the convex column is positioned in the mounting groove; the convex column is sleeved with a one-way bearing, the one-way bearing comprises a one-way inner ring and a one-way outer ring, and the one-way inner ring and the one-way outer ring are fixedly connected with the convex column and the main shaft respectively; the rear end face of the unidirectional inner ring is tightly pressed on the front end face of the auxiliary shaft, and a supporting face for tightly pressing the front end face of the unidirectional outer ring is arranged in the mounting groove. The power output structure of the gear box can realize single-side and double-side output switching.
Description
Technical Field
The utility model belongs to the technical field of machinery, a biax gear box, especially a gear box power take off structure are related to.
Background
The gear box is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid box body, and is widely applied to modern machinery.
The gear box is divided into a single output shaft gear box, a double output shaft gear box and a multi-output shaft gear box according to the number of the output shafts. The double-output-shaft gear box comprises a shell, a driving gear, driven gears, two processing main shafts, a bearing seat and a front end cover, wherein the driving gear and the driven gears are installed in the shell, the number of the processing main shafts is two, the two processing main shafts are arranged side by side, the middle parts of the two processing main shafts are respectively installed in two groups of bearings arranged side by side in the bearing seat, the driven gears are fixedly installed at the inner ends of the two processing main shafts respectively, the two driven gears are outer-diameter gears and are meshed together and installed in the driving gear, the driving gear is an inner-diameter gear, and the driving gear is coaxially and fixedly provided with a connecting shaft.
When the gear box operates, the two processing main shafts arranged side by side can only synchronously rotate, and the functionality is single.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a gear box power take off structure that single, bilateral output switched.
The purpose of the utility model can be realized by the following technical proposal: the gear box power output structure comprises a box body, a transmission gear arranged in the box body, and a main shaft and an auxiliary shaft which are horizontally and rotatably arranged in the box body, wherein the main shaft and the auxiliary shaft are coaxially arranged, the front end of the main shaft and the rear end of the auxiliary shaft extend out of the box body, and the transmission gear is fixedly connected with the main shaft; the convex column is sleeved with a one-way bearing, the one-way bearing comprises a one-way inner ring and a one-way outer ring, and the one-way inner ring and the one-way outer ring are fixedly connected with the convex column and the main shaft respectively; the rear end face of the unidirectional inner ring is tightly pressed on the front end face of the auxiliary shaft, and a supporting face for tightly pressing the front end face of the unidirectional outer ring is arranged in the mounting groove.
The auxiliary shaft and the main shaft are connected through a one-way bearing, so that the auxiliary shaft and the main shaft are in one-way transmission to form two transmission modes: 1. the auxiliary shaft and the main shaft synchronously rotate; 2. only the main shaft rotates to adapt to different working conditions through the two transmission modes (for example, the main shaft and the auxiliary shaft are simultaneously connected with the power mechanism or the main shaft is connected with the power mechanism, and the auxiliary shaft is used for detecting the rotating speed), the practicability is better.
In foretell gear box power output structure, the gasket sets firmly in foretell mounting groove, and the gasket is coaxial with the main shaft, and the terminal surface sticiss on the mounting groove diapire before the gasket, and the gasket rear end face is foretell holding surface. Set up the gasket in the mounting groove and support one-way outer lane, through changing the different mounted position of gasket height alright adaptation one-way bearing like this, convenient equipment.
As another scheme, in the power output structure of the gearbox, the bottom wall of the mounting groove is the supporting surface.
In the power output structure of the gear box, the gasket is provided with a guide hole which is opposite to the convex column in a penetrating way, the front end of the convex column is inserted into the guide hole, the convex column is cylindrical, the hole wall of the guide hole is a circumferential surface matched with the convex column, and the side wall of the convex column is attached to the hole wall of the guide hole. The convex column is matched with the guide hole, supports and limits the convex column in the radial direction, effectively improves the positioning strength of the auxiliary shaft, and improves the transmission precision and stability.
In the power output structure of the gear box, the outer side wall of the gasket and the side wall of the mounting groove are circumferential surfaces matched with each other and are attached together so as to guide the installation of the gasket, so that the gasket is installed in place at one time, and the assembly convenience is improved.
In the power output structure of the gear box, the main shaft is integrally formed with a circle of raised lines distributed along the circumferential direction of the main shaft at the outer side of the mounting groove, and the length of the raised lines extends along the axial direction of the main shaft so as to strengthen the strength of the side wall of the mounting groove and ensure the stability and precision of transmission.
In the power output structure of the gear box, the auxiliary shaft is rotationally connected with the box body through the rolling bearing, the rolling bearing comprises a rolling inner ring fixedly connected with the auxiliary shaft and a rolling outer ring fixedly connected with the box body, and the front end face of the rolling inner ring is simultaneously pressed on the raised line and the main shaft. In this application promptly, the sand grip both had been used for strengthening the main shaft and had been located the lateral wall intensity of mounting groove department, was used for spacing support rolling inner circle again, made the sand grip possess the dual-purpose effect of an thing to through simplified structure, convenient equipment.
In the power output structure of the gearbox, the gasket is fixedly connected with the main shaft in a welding mode.
As another scheme, in the power output structure of the gearbox, the gasket is fixedly connected with the main shaft in a tight fit mode.
In foretell gear box power take off structure, the axial has run through the keyway on the inside wall of one-way inner circle, is fixed with the key piece that matches with the keyway on the projection lateral wall, and the key piece joint is in the keyway to improve the concentricity of one-way inner circle and countershaft, ensure transmission precision and stability.
Compared with the prior art, the power output structure of the gear box has the following advantages:
1. the auxiliary shaft and the main shaft are connected through a one-way bearing, so that the auxiliary shaft and the main shaft are in one-way transmission to form two transmission modes: 1. the auxiliary shaft and the main shaft synchronously rotate; 2. only the main shaft rotates to adapt to different working conditions through the two transmission modes (for example, the main shaft and the auxiliary shaft are simultaneously connected with the power mechanism or the main shaft is connected with the power mechanism, and the auxiliary shaft is used for detecting the rotating speed), the practicability is better.
2. Set up the gasket in the mounting groove and support one-way outer lane, through changing the different mounted position of gasket height alright adaptation one-way bearing like this, convenient equipment.
3. The gasket both is used for supporting and restriction one-way bearing antedisplacement, utilizes the guiding hole of setting on the gasket to carry out radial support to the projection again, and in this application, the gasket possesses the dual-purpose effect of an thing promptly, when simplifying the structure, convenient equipment.
Drawings
FIG. 1 is a schematic diagram of a gearbox power take off configuration.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
Fig. 3 is a rear view of the spindle.
Fig. 4 is a front view of the lay shaft.
In the figure, 1, a box body; 2. a transmission gear; 3. a main shaft; 3a, mounting grooves; 3b, convex strips; 4. a counter shaft; 4a, a convex column; 5. oil sealing; 6. a rolling bearing; 6a, rolling the inner ring; 6b, rolling the outer ring; 7. a one-way bearing; 7a, a one-way inner ring; 7b, a one-way outer ring; 8. a key block; 9. a gasket; 9a, a guide hole.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in figure 1, the power output structure of the gear box comprises a box body 1, a transmission gear 2 arranged in the box body 1, and a main shaft 3 and an auxiliary shaft 4 which are horizontally and rotatably arranged in the box body 1.
Wherein,
the main shaft 3 and the auxiliary shaft 4 are coaxially arranged, and in this case, the main shaft 3 and the auxiliary shaft 4 are linearly arranged. The front end of the main shaft 3 and the rear end of the auxiliary shaft 4 both extend out of the box body 1, and the main shaft 3 and the auxiliary shaft 4 are sealed with the box body 1 through oil seals 5. The main shaft 3 and the auxiliary shaft 4 are both rotationally connected with the box body 1 through rolling bearings 6, and the two rolling bearings 6 are positioned between the two oil seals 5. The rolling bearing 6 is an existing product, which is commercially available.
The transmission gear 2 is sleeved on the main shaft 3, and the transmission gear 2 is fixedly connected with the main shaft 3.
As shown in fig. 1, 2 and 4, the rear end of the main shaft 3 is axially provided with a mounting groove 3a, and the mounting groove 3a is provided with a notch facing rearward. The front end face of the auxiliary shaft 4 is integrally formed with a convex column 4a, the mounting groove 3a and the main shaft 3 are coaxial, and the convex column 4a is positioned in the mounting groove 3 a. In the present embodiment, it is preferable that the front end portion of the auxiliary shaft 4 extends into the mounting groove 3a, and the boss 4a is completely located in the mounting groove 3 a. The convex column 4a is sleeved with a one-way bearing 7, the one-way bearing 7 comprises a one-way inner ring 7a and a one-way outer ring 7b, and the one-way inner ring 7a and the one-way outer ring 7b are fixedly connected with the convex column 4a and the main shaft 3 respectively. Among them, the one-way bearing 7 is an existing product, which can be purchased in the market; the rear end face of the one-way inner ring 7a is tightly pressed on the front end face of the auxiliary shaft 4, and a supporting face for tightly pressing the front end face of the one-way outer ring 7b is arranged in the mounting groove 3 a; the unidirectional inner ring 7a and the unidirectional outer ring 7b are fixedly connected with the convex column 4a and the main shaft 3 respectively in an interference fit mode. Further, a key groove axially penetrates through the inner side wall of the one-way inner ring 7a, a key block 8 matched with the key groove is fixed on the side wall of the convex column 4a, and the key block 8 is clamped in the key groove so as to improve the concentricity of the one-way inner ring 7a and the auxiliary shaft 4 and ensure the transmission precision and stability.
The auxiliary shaft 4 and the main shaft 3 are connected through a one-way bearing 7, so that the auxiliary shaft 4 and the main shaft 3 are in one-way transmission to form two transmission modes: 1. the auxiliary shaft 4 and the main shaft 3 synchronously rotate; 2. only the main shaft 3 rotates to adapt to different working conditions through the two transmission modes (for example, the main shaft 3 and the auxiliary shaft 4 are simultaneously connected with the power mechanism or the main shaft 3 is connected with the power mechanism, and the auxiliary shaft 4 is used for detecting the rotating speed), so that the practicability is better.
As shown in fig. 2, a gasket 9 is fixedly disposed in the mounting groove 3a, the gasket 9 is coaxial with the spindle 3, a front end surface of the gasket 9 is pressed against a bottom wall of the mounting groove 3a, and a rear end surface of the gasket 9 is the supporting surface. Set up gasket 9 in mounting groove 3a and support one-way outer lane 7b, through changing the different mounted position of gasket 9 height alright adaptation one-way bearing 7 like this, convenient equipment. Preferably, the outer side wall of the gasket 9 and the side wall of the mounting groove 3a are circumferential surfaces matched with each other and are attached together, the gasket 9 is fixedly connected with the main shaft 3 in a welding mode, and naturally, the gasket 9 is also fixedly connected with the main shaft 3 in a tight fit mode.
Further, a guide hole 9a opposite to the convex column 4a is arranged on the gasket 9 in a penetrating manner, the front end of the convex column 4a is inserted into the guide hole 9a, the convex column 4a is cylindrical, the hole wall of the guide hole 9a is a circumferential surface matched with the convex column 4a, and the side wall of the convex column 4a is attached to the hole wall of the guide hole 9 a. The convex column 4a is matched with the guide hole 9a to support and limit the convex column 4a in the radial direction, so that the positioning strength of the auxiliary shaft 4 is effectively improved, and the transmission precision and stability are improved.
As shown in fig. 1 and 3, the rolling bearing 6 connected to the auxiliary shaft 4 includes a rolling inner ring 6a fixedly connected to the auxiliary shaft 4 and a rolling outer ring 6b fixedly connected to the box body 1, the main shaft 3 is integrally formed with a circle of raised strips 3b distributed along the circumferential direction of the main shaft 3 on the outer side of the mounting groove 3a, and the length of the raised strips 3b extends along the axial direction of the main shaft 3 to reinforce the strength of the side wall of the mounting groove 3 a. Further, the rear end face of the convex strip 3b extends to the rear end face of the spindle 3, and the front end face of the rolling inner ring 6a is simultaneously pressed on the convex strip 3b and the spindle 3, that is, in the present application, the convex strip 3b is used for both enhancing the strength of the side wall of the spindle 3 at the mounting groove 3a and for spacing and supporting the rolling inner ring 6a, so that the convex strip 3b has a dual-purpose effect, and the assembly is facilitated by simplifying the structure.
Example two
The second embodiment is basically the same as the first embodiment in structure and principle, and the difference lies in: the bottom wall of the mounting groove 3a is the support surface.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The gear box power output structure comprises a box body (1), a transmission gear (2) arranged in the box body (1), a main shaft (3) and an auxiliary shaft (4) which are horizontally and rotatably arranged in the box body (1), wherein the main shaft (3) and the auxiliary shaft (4) are coaxially arranged, the front end of the main shaft (3) and the rear end of the auxiliary shaft (4) both extend out of the box body (1), and the transmission gear (2) is fixedly connected with the main shaft (3), and is characterized in that the rear end of the main shaft (3) is axially provided with a mounting groove (3a), a convex column (4a) is integrally formed on the front end surface of the auxiliary shaft (4), the convex column (4a), the mounting groove (3a) and the main shaft (3) are coaxial, and the convex column (4a) is positioned in the mounting groove (3 a); a unidirectional bearing (7) is sleeved outside the convex column (4a), the unidirectional bearing (7) comprises a unidirectional inner ring (7a) and a unidirectional outer ring (7b), and the unidirectional inner ring (7a) and the unidirectional outer ring (7b) are fixedly connected with the convex column (4a) and the main shaft (3) respectively; the rear end face of the unidirectional inner ring (7a) is tightly pressed on the front end face of the auxiliary shaft (4), and a supporting face for tightly pressing the front end face of the unidirectional outer ring (7b) is arranged in the mounting groove (3 a).
2. A power output structure of a gearbox as defined in claim 1, wherein a gasket (9) is fixedly disposed in the mounting groove (3a), the gasket (9) is coaxial with the main shaft (3), a front end surface of the gasket (9) is pressed against a bottom wall of the mounting groove (3a), and a rear end surface of the gasket (9) is the supporting surface.
3. A gearbox power take-off arrangement as defined in claim 1, characterised in that the bottom wall of the mounting groove (3a) is the aforementioned support surface.
4. The power output structure of the gear box as claimed in claim 2, wherein the gasket (9) is provided with a guide hole (9a) which is opposite to the convex column (4a), the front end of the convex column (4a) is inserted into the guide hole (9a), the convex column (4a) is cylindrical, the hole wall of the guide hole (9a) is a circumferential surface matched with the convex column (4a), and the side wall of the convex column (4a) is attached to the hole wall of the guide hole (9 a).
5. A gearbox power output structure as defined in claim 2, 3 or 4, characterized in that the outer side wall of the gasket (9) and the side wall of the mounting groove (3a) are mutually matched circumferential surfaces and are attached together.
6. A gearbox power take-off structure as defined in claim 1, characterized in that the main shaft (3) is integrally formed with a ring of ribs (3b) distributed along the circumference of the main shaft (3) outside the mounting groove (3a), and the length of the ribs (3b) extends in the axial direction of the main shaft (3).
7. A gearbox power output structure as defined in claim 6, characterized in that the auxiliary shaft (4) is rotationally connected with the casing (1) through a rolling bearing (6), the rolling bearing (6) comprises a rolling inner ring (6a) fixedly connected with the auxiliary shaft (4) and a rolling outer ring (6b) fixedly connected with the casing (1), and the front end face of the rolling inner ring (6a) is simultaneously pressed against the raised strips (3b) and the main shaft (3).
8. A gearbox power take off structure as defined in claim 2, 3 or 4, characterized in that the spacer (9) is fixedly connected with the main shaft (3) by welding.
9. A gearbox power take-off according to claim 2, 3 or 4, characterised in that the spacer (9) is fixedly connected with the main shaft (3) in a tight fit.
10. The gearbox power output structure as claimed in claim 1, wherein a key groove axially penetrates through the inner side wall of the one-way inner ring (7a), a key block (8) matched with the key groove is fixed on the side wall of the convex column (4a), and the key block (8) is clamped in the key groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182213.2U CN215059344U (en) | 2021-05-28 | 2021-05-28 | Power output structure of gear box |
| PCT/CN2021/097609 WO2022246879A1 (en) | 2021-05-28 | 2021-06-01 | Power output structure for gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182213.2U CN215059344U (en) | 2021-05-28 | 2021-05-28 | Power output structure of gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059344U true CN215059344U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121182213.2U Active CN215059344U (en) | 2021-05-28 | 2021-05-28 | Power output structure of gear box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215059344U (en) |
| WO (1) | WO2022246879A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201125973Y (en) * | 2007-11-30 | 2008-10-01 | 肇庆市自动化仪表二厂有限公司 | Power transmission clutch device |
| CN104305893B (en) * | 2014-10-08 | 2017-09-22 | 惠阳亚伦塑胶电器实业有限公司 | A kind of handheld blender |
| CN106939930B (en) * | 2016-01-04 | 2018-08-21 | 四川大学 | Automatic gear shift transmission device |
| TWM592929U (en) * | 2019-12-31 | 2020-04-01 | 林祚國 | Unidirectional deceleration transmission structure |
| CN112303188B (en) * | 2020-11-16 | 2021-12-31 | 西南交通大学 | Mechanical rectification mechanism |
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2021
- 2021-05-28 CN CN202121182213.2U patent/CN215059344U/en active Active
- 2021-06-01 WO PCT/CN2021/097609 patent/WO2022246879A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022246879A1 (en) | 2022-12-01 |
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