CN114060471B - Transmission gapless transmission gearbox - Google Patents
Transmission gapless transmission gearbox Download PDFInfo
- Publication number
- CN114060471B CN114060471B CN202111345459.1A CN202111345459A CN114060471B CN 114060471 B CN114060471 B CN 114060471B CN 202111345459 A CN202111345459 A CN 202111345459A CN 114060471 B CN114060471 B CN 114060471B
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- bevel gear
- rotating shaft
- gear
- shaft
- shell
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 70
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
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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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- 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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a transmission gapless transmission gearbox, wherein a first input shaft is rotationally connected to a shell, a first bevel gear is arranged on the first input shaft, and a gear clearance adjusting piece is arranged on the left side of the first input shaft; the gear clearance adjusting piece comprises a rotating shaft which is rotationally connected with the shell, a second bevel gear is fixed on the rotating shaft, and a pressing spring which is used for axially pressing the tooth surface of the second bevel gear on the tooth surface of the first bevel gear along the rotating shaft is arranged at the side end of the rotating shaft; the right side of the first input shaft is provided with a force transmission shaft rod which is rotationally connected in the shell, a third bevel gear is fixed on the force transmission shaft rod, a first output shaft which is rotationally connected at the shell is arranged on the side of the force transmission shaft rod, a fourth bevel gear is fixed on the first output shaft, and a fifth bevel gear meshed with the fourth bevel gear is fixed on the force transmission shaft rod. The invention has ingenious and reasonable structural design, can ensure that each gear of the gearbox has no clearance transmission and no shake, can process high-precision and sharp products with high precision, and is worthy of popularization and application.
Description
Technical Field
The invention relates to a gearbox, in particular to a transmission gapless transmission gearbox.
Background
The gearbox is an independent component consisting of a gear transmission, a worm transmission and a gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role of matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.
The traditional gearbox can generate a tiny gap between gears due to the limitation of machining precision and the reason of assembly precision, and can generate operation errors (such as moving and machining by operating high-precision equipment) during operation, and meanwhile, the gearbox can shake itself due to the generation of the gap during operation of the gearbox, so that the machining precision of the high-precision equipment is greatly influenced, the defective rate is increased, and the production and machining of high-precision and sharp products are not facilitated.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides the transmission gapless transmission gearbox which can realize gapless transmission, so that the requirements of gapless transmission gears of the gearbox, high processing precision of fine and sharp products are met.
The invention solves the technical problems by adopting the technical scheme that: the transmission gapless transmission gearbox comprises a shell, wherein a first input shaft is rotationally connected to the shell, a first bevel gear is fixed on the first input shaft, and a gear gap adjusting piece is arranged on the left side of the first input shaft; the gear clearance adjusting piece comprises a rotating shaft which is rotationally connected in the shell and can axially move, a second bevel gear meshed with the first bevel gear is fixed on the rotating shaft, and a pressing spring used for axially pressing the tooth surface of the second bevel gear on the tooth surface of the first bevel gear along the rotating shaft is arranged at the side end of the rotating shaft; the right side of the first input shaft is provided with a force transmission shaft lever rotationally connected in the shell, a third bevel gear meshed with the first bevel gear is fixed on the force transmission shaft lever, a first output shaft rotationally connected at the shell is arranged on the side of the force transmission shaft lever, a fourth bevel gear is fixed on the first output shaft, and a fifth bevel gear meshed with the fourth bevel gear is fixed on the force transmission shaft lever. The first input shaft has the function of applying torsion through the first input shaft, the first bevel gear has the function of acting as a force application gear, the force can be transmitted in a variable speed under high load by using the force transmission shaft lever, the third bevel gear and the fifth bevel gear, and the torsion can be output by using the first output shaft and the fourth bevel gear; the gear gap adjusting piece has the effect that the inclined tooth surface of the second bevel gear can be pressed on the inclined tooth surface of the first bevel gear, so that no gap is formed between the second bevel gear and the first inclined gear in transmission, the inclined pressing force can be transmitted to the third bevel gear, the force transmission shaft lever is slightly deformed, and no gap is formed between the fifth bevel gear and the fourth bevel gear.
Further perfecting, the side end of the rotating shaft is provided with a first supporting sleeve fixed on the shell, the side end of the rotating shaft is provided with a first plane needle bearing, the inner ring of the first plane needle bearing is tightly matched with the side end of the rotating shaft, the outer ring of the first plane needle bearing is inserted in the shell, and the end part of the side end of the rotating shaft is inserted with the first supporting sleeve; the other end of the rotating shaft is provided with a second supporting sleeve, the second supporting sleeve is internally inserted with an inner liner tube, the inner side of the inner liner tube is provided with a placing groove, the outer side of the inner liner tube is provided with a spring mounting hole, a pressing spring is mounted between the end face of the spring mounting hole and the end face of the second supporting sleeve, the other side end of the rotating shaft is provided with a second plane needle bearing, an inner ring of the second plane needle bearing is tightly matched with the other side end of the rotating shaft, an outer ring of the second plane needle bearing is inserted into the shell, a thrust bearing is placed at the placing groove, and the other side end of the rotating shaft is mounted at the thrust bearing. The first plane needle roller bearing and the second plane needle roller bearing have the functions of carrying out high-load supporting rotation on the rotating shaft, the liner tube and the spring mounting hole have the functions of pushing the liner tube by the pressing spring to drive the whole rotating shaft to move, so that the inclined tooth surface of the second bevel gear is pressed on the inclined tooth surface of the first bevel gear, the second bevel gear and the first inclined gear are in transmission clearance-free, the inclined pressing force can be transmitted to the third bevel gear, the force transmission shaft lever is slightly deformed, and the fifth bevel gear and the fourth bevel gear are in clearance-free; the thrust bearing has the function of transmitting the pressing force of the pressing spring to the rotating shaft through the thrust bearing, so that the rotating shaft can rotate and also can receive the axial thrust action on the rotating shaft when rotating, and the friction resistance of the rotating shaft is extremely small.
Further perfecting, the lining tube is provided with a through incision. The function of the through-cut is to facilitate a play-free plug-in fit of the lining tube in the second support sleeve.
Further perfecting, the modulus and the tooth number of the fourth helical gear are the same as those of the fifth helical gear, the modulus and the tooth number of the second helical gear are the same as those of the third helical gear, the modulus is the same as that of the third helical gear, the tooth ratio is 20:43, and the modulus is the same as that of the first helical gear and the second helical gear, and the tooth ratio is 16:43. The fourth bevel gear has the same modulus and the same tooth number as the fifth bevel gear, so that the compact installation is facilitated, the small first bevel gear is utilized to drive the large third bevel gear, the fifth bevel gear coaxial with the third bevel gear is utilized to drive the fourth bevel gear at the first output shaft, the first output shaft is driven to rotate, and then the low torque required by the first input shaft can drive the first output shaft to output high torque.
Further perfecting, the third bevel gear and the second bevel gear are respectively pressed at the positions of the force transmission shaft rod and the rotating shaft through the expansion sleeve. The expansion sleeve has the functions of facilitating the installation of the third bevel gear on the force transmission shaft lever, facilitating the adjustment and fastening of the installation precision of the third bevel gear, facilitating the installation of the second bevel gear on the rotating shaft, and facilitating the adjustment and fastening of the installation precision of the second bevel gear; the expansion coupling sleeve is an advanced basic component widely used for mechanical connection under heavy load in the world, and in the connection of a wheel and a shaft, the expansion coupling sleeve is a keyless coupling device which realizes load transmission by tightening high-strength bolts to generate pressure and friction between containing surfaces.
Further perfecting, the outer end of the first output shaft is provided with a first tapered roller bearing which is symmetrically arranged, the inner end of the first input shaft is provided with a second tapered roller bearing which is symmetrically arranged, and the inner side of the force transmission shaft rod is provided with a third tapered roller bearing which is symmetrically arranged. The first tapered roller bearing can carry out high-load rotation bearing on the first output shaft, not only the anticlockwise rotation or the clockwise rotation can be utilized, but also the first tapered roller bearing can be utilized to well and stably bear the stress and also has the function of automatic axis correction, the second tapered roller bearing can carry out high-load rotation bearing on the first input shaft, not only the anticlockwise rotation or the clockwise rotation, the second tapered roller bearing can be utilized to well and stably bear the force, the automatic axial center correcting function is achieved, the third tapered roller bearing can carry out high-load rotation bearing force on the transmission shaft rod, the transmission shaft rod can not only rotate anticlockwise or rotate clockwise, but also can be well and stably bear the force, and the automatic axial center correcting function is achieved.
The beneficial effects of the invention are as follows: the invention has ingenious and reasonable structural design, the first input shaft can be used for applying torsion through the first input shaft, the first bevel gear can be used for acting as a force application gear, the force transmission shaft lever, the third bevel gear and the fifth bevel gear can be used for carrying out variable speed transmission under high load on force, the third bevel gear transmission ratio is larger than that of the first bevel gear, the first output shaft and the fourth bevel gear can be used for outputting the torsion, and the gear clearance adjusting piece can be used for enabling the inclined tooth surface of the second bevel gear to be tightly pressed on the inclined tooth surface of the first bevel gear, so that force transmission between the second bevel gear and the first inclined gear is gapless, and the inclined pressing force can be transferred to the third bevel gear, so that the force transmission shaft lever is slightly deformed, so that no gap exists between the fifth bevel gear and the fourth bevel gear.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the invention with the housing removed;
FIG. 3 is a second perspective view of the present invention with the housing removed;
FIG. 4 is a perspective view III of the present invention with the housing removed and the second support sleeve removed;
FIG. 5 is a perspective view of the present invention with the housing removed;
FIG. 6 is a fifth perspective view of the present invention with the housing removed;
fig. 7 is a perspective view of the liner tube of the present invention.
Reference numerals illustrate: the device comprises a shell 1, a first input shaft 2, a first bevel gear 2-1, a gear clearance adjusting piece 3, a rotating shaft 3-1, a second bevel gear 3-2, a pressing spring 3-3, a first supporting sleeve 3-4, a first plane needle bearing 3-5, a second supporting sleeve 3-6, a lining pipe 3-7, a placing groove 3-7a, a spring mounting hole 3-7b, a penetrating notch 3-7c, a second plane needle bearing 3-8, a thrust bearing 3-9, a force transmission shaft lever 4, a third bevel gear 4-1, a fifth bevel gear 4-2, a first output shaft 5, a fourth bevel gear 5-1, an expanding sleeve 6, a first tapered roller bearing 7, a second tapered roller bearing 8 and a third tapered roller bearing 9.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to the drawings: the transmission gapless transmission gearbox comprises a shell 1, wherein a first input shaft 2 is connected with the shell 1 in a rotating way, a first bevel gear 2-1 is fixed on the first input shaft 2, and a gear clearance adjusting piece 3 is arranged on the left side of the first input shaft 2; the gear clearance adjusting piece 3 comprises a rotating shaft 3-1 which is rotatably connected in the shell 1 and can axially move, a second bevel gear 3-2 meshed with the first bevel gear 2-1 is fixed on the rotating shaft 3-1, and a pressing spring 3-3 for axially pressing the tooth surface of the second bevel gear 3-2 on the tooth surface of the first bevel gear 2-1 along the rotating shaft 3-1 is arranged at the side end of the rotating shaft 3-1; the right side of the first input shaft 2 is provided with a force transmission shaft lever 4 rotationally connected in the shell 1, a third bevel gear 4-1 meshed with the first bevel gear 2-1 is fixed on the force transmission shaft lever 4, a first output shaft 5 rotationally connected at the shell 1 is arranged on the side of the force transmission shaft lever 4, a fourth bevel gear 5-1 is fixed on the first output shaft 5, and a fifth bevel gear 4-2 meshed with the fourth bevel gear 5-1 is fixed on the force transmission shaft lever 4.
The side end of the rotating shaft 3-1 is provided with a first supporting sleeve 3-4 fixed on the shell 1, the side end of the rotating shaft 3-1 is provided with a first plane needle bearing 3-5, the inner ring of the first plane needle bearing 3-5 is tightly matched with the side end of the rotating shaft 3-1, the outer ring of the first plane needle bearing 3-5 is inserted into the shell 1, and the end part of the side end of the rotating shaft 3-1 is inserted into the first supporting sleeve 3-4; the other end of the rotating shaft 3-1 is provided with a second support sleeve 3-6, a lining pipe 3-7 is inserted in the second support sleeve 3-6, a placing groove 3-7a is formed in the inner side of the lining pipe 3-7, a spring mounting hole 3-7b is formed in the outer side of the lining pipe 3-7, a pressing spring 3-3 is mounted between the end face of the spring mounting hole 3-7b and the end face of the second support sleeve 3-6, a second plane needle bearing 3-8 is arranged at the other end of the rotating shaft 3-1, an inner ring of the second plane needle bearing 3-8 is tightly matched with the other end of the rotating shaft 3-1, an outer ring of the second plane needle bearing 3-8 is inserted in the shell 1, a thrust bearing 3-9 is placed in the placing groove 3-7a, and the other end of the rotating shaft 3-1 is mounted at the thrust bearing 3-9.
The lining tube 3-7 is provided with a through cut 3-7c.
The modulus and the tooth number of the fourth helical gear 5-1 are the same as those of the fifth helical gear 4-2, the modulus and the tooth number of the second helical gear 3-2 and the third helical gear 4-1 are the same, the modulus and the tooth ratio between the fifth helical gear 4-2 and the third helical gear 4-1 are the same and 20:43, and the modulus and the tooth ratio between the first helical gear 2-1 and the second helical gear 3-2 are the same and 16:43.
The third bevel gear 4-1 and the second bevel gear 3-2 are respectively pressed at the position of the force transmission shaft lever 4 and the rotating shaft 3-1 through the expansion sleeve 6.
The outer end of the first output shaft 5 is provided with a first tapered roller bearing 7 which is symmetrically arranged, the inner end of the first input shaft 2 is provided with a second tapered roller bearing 8 which is symmetrically arranged, and the inner side of the force transmission shaft lever 4 is provided with a third tapered roller bearing 9 which is symmetrically arranged.
The working principle of the invention is that a pressing spring 3-3 presses a lining pipe 3-7 in a shell 1 to move at a second supporting sleeve 3-6 and press the lining pipe 3-7 on a thrust bearing 3-8, so that a rotating shaft 3-1 moves, and further, the inclined tooth surface of a second bevel gear 3-2 is pressed on the inclined tooth surface of a first bevel gear 2-1, so that the second bevel gear 3-2 and the first bevel gear 2-1 are in transmission without clearance, and the inclined pressing force can be transmitted to a third bevel gear 4-1 through the first bevel gear 2-1, so that a force transmission shaft lever 4 is slightly deformed, and no transmission clearance exists between a fifth bevel gear 4-2 and a fourth bevel gear 5-1 fixed on the force transmission shaft lever 4 is driven, so that power is input to the first input shaft 2, power transmission is error-free and jitter-free when the first output shaft 5 outputs power, and the invention is particularly suitable for high-precision processing under a high repeated positioning motion environment; the invention has smart and reasonable structural design, can realize gapless transmission among bevel gears in the gearbox, can process workpieces with higher precision, has no gap in the gearbox, is free from shaking during operation, is more beneficial to processing the workpieces with high precision, and is worthy of popularization and application.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the invention.
Claims (3)
1. The utility model provides a transmission zero clearance transmission gearbox, includes casing (1), characterized by: the gear clearance adjusting device is characterized in that a first input shaft (2) is rotationally connected to the shell (1), a first bevel gear (2-1) is fixed on the first input shaft (2), and a gear clearance adjusting piece (3) is arranged on the left side of the first input shaft (2);
The gear clearance adjusting piece (3) comprises a rotating shaft (3-1) which is rotatably connected in the shell (1) and can axially move, a second bevel gear (3-2) meshed with the first bevel gear (2-1) is fixed on the rotating shaft (3-1), and a pressing spring (3-3) used for axially pressing the tooth surface of the second bevel gear (3-2) on the tooth surface of the first bevel gear (2-1) along the rotating shaft (3-1) is arranged at the side end of the rotating shaft (3-1);
the right side of the first input shaft (2) is provided with a force transmission shaft lever (4) rotationally connected in the shell (1), a third bevel gear (4-1) meshed with the first bevel gear (2-1) is fixed on the force transmission shaft lever (4), a first output shaft (5) rotationally connected at the shell (1) is arranged on the side of the force transmission shaft lever (4), a fourth bevel gear (5-1) is fixed on the first output shaft (5), and a fifth bevel gear (4-2) meshed with the fourth bevel gear (5-1) is fixed on the force transmission shaft lever (4);
The side end of the rotating shaft (3-1) is provided with a first supporting sleeve (3-4) fixed on the shell (1), the side end of the rotating shaft (3-1) is provided with a first plane needle bearing (3-5), the inner ring of the first plane needle bearing (3-5) is tightly matched with the side end of the rotating shaft (3-1), the outer ring of the first plane needle bearing (3-5) is inserted into the shell (1), and the end part of the side end of the rotating shaft (3-1) is inserted into the first supporting sleeve (3-4); the other end of the rotating shaft (3-1) is provided with a second support sleeve (3-6), a lining pipe (3-7) is inserted into the second support sleeve (3-6), a placing groove (3-7 a) is formed in the inner side of the lining pipe (3-7), a spring mounting hole (3-7 b) is formed in the outer side of the lining pipe (3-7), a pressing spring (3-3) is mounted between the end face of the spring mounting hole (3-7 b) and the end face of the second support sleeve (3-6), a second flat needle bearing (3-8) is arranged at the other side end of the rotating shaft (3-1), an inner ring of the second flat needle bearing (3-8) is tightly matched with the other side end of the rotating shaft (3-1), an outer ring of the second flat needle bearing (3-8) is inserted into the shell (1), a thrust bearing (3-9) is placed at the placing groove (3-7 a), and the other side end of the rotating shaft (3-1) is mounted at the thrust bearing (3-9);
The third bevel gear (4-1) and the second bevel gear (3-2) are respectively pressed at the positions of the force transmission shaft lever (4) and the rotating shaft (3-1) through the expansion sleeve (6);
The outer end of the first output shaft (5) is provided with a first tapered roller bearing (7) which is symmetrically arranged, the inner end of the first input shaft (2) is provided with a second tapered roller bearing (8) which is symmetrically arranged, and the inner side of the force transmission shaft lever (4) is provided with a third tapered roller bearing (9) which is symmetrically arranged.
2. A transmission gapless transmission as claimed in claim 1 wherein: the lining pipe (3-7) is provided with a through incision (3-7 c).
3. A transmission gapless transmission as claimed in claim 1 wherein: the modulus and the tooth number of the fourth helical gear (5-1) are the same as those of the fifth helical gear (4-2), the modulus and the tooth number of the second helical gear (3-2) and the third helical gear (4-1) are the same, the modulus and the tooth ratio between the fifth helical gear (4-2) and the third helical gear (4-1) are the same and are 20:43, and the modulus and the tooth ratio between the first helical gear (2-1) and the second helical gear (3-2) are the same and are 16:43.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345459.1A CN114060471B (en) | 2021-11-15 | 2021-11-15 | Transmission gapless transmission gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345459.1A CN114060471B (en) | 2021-11-15 | 2021-11-15 | Transmission gapless transmission gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114060471A CN114060471A (en) | 2022-02-18 |
| CN114060471B true CN114060471B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111345459.1A Active CN114060471B (en) | 2021-11-15 | 2021-11-15 | Transmission gapless transmission gearbox |
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| Country | Link |
|---|---|
| CN (1) | CN114060471B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382192A (en) * | 2008-09-23 | 2009-03-11 | 无锡桥联数控机床有限公司 | Gap eliminating transmission case |
| CN201696552U (en) * | 2010-06-22 | 2011-01-05 | 陕西斯克达环保动力机械有限公司 | Anti-backlash reduction gearbox |
| CN201818748U (en) * | 2010-09-19 | 2011-05-04 | 杜明乾 | Anti-backlash transmission case for linear motion on rack |
| JP2014083990A (en) * | 2012-10-24 | 2014-05-12 | Jtekt Corp | Transmission ratio variable steering device |
| CN212775462U (en) * | 2020-07-28 | 2021-03-23 | 重庆长安新能源汽车科技有限公司 | Speed reducer structure of pure electric vehicle |
| CN216742653U (en) * | 2021-11-15 | 2022-06-14 | 浙江锯力煌工业科技股份有限公司 | Transmission gapless transmission gearbox |
-
2021
- 2021-11-15 CN CN202111345459.1A patent/CN114060471B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382192A (en) * | 2008-09-23 | 2009-03-11 | 无锡桥联数控机床有限公司 | Gap eliminating transmission case |
| CN201696552U (en) * | 2010-06-22 | 2011-01-05 | 陕西斯克达环保动力机械有限公司 | Anti-backlash reduction gearbox |
| CN201818748U (en) * | 2010-09-19 | 2011-05-04 | 杜明乾 | Anti-backlash transmission case for linear motion on rack |
| JP2014083990A (en) * | 2012-10-24 | 2014-05-12 | Jtekt Corp | Transmission ratio variable steering device |
| CN212775462U (en) * | 2020-07-28 | 2021-03-23 | 重庆长安新能源汽车科技有限公司 | Speed reducer structure of pure electric vehicle |
| CN216742653U (en) * | 2021-11-15 | 2022-06-14 | 浙江锯力煌工业科技股份有限公司 | Transmission gapless transmission gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114060471A (en) | 2022-02-18 |
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Denomination of invention: A gapless transmission gearbox Granted publication date: 20240524 Pledgee: CITIC Bank Limited by Share Ltd. Lishui Jinyun branch Pledgor: Zhejiang saw Lihuang Industrial Technology Co.,Ltd. Registration number: Y2024980043513 |