CN113833812A - Transfer case, transmission device and cotton picker - Google Patents
Transfer case, transmission device and cotton picker Download PDFInfo
- Publication number
- CN113833812A CN113833812A CN202111180786.6A CN202111180786A CN113833812A CN 113833812 A CN113833812 A CN 113833812A CN 202111180786 A CN202111180786 A CN 202111180786A CN 113833812 A CN113833812 A CN 113833812A
- Authority
- CN
- China
- Prior art keywords
- clutch
- power output
- transfer case
- assembly
- shaft
- 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.)
- Pending
Links
- 238000012546 transfer Methods 0.000 title claims abstract description 117
- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 229920000742 Cotton Polymers 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 45
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
- A01D46/08—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs of cotton
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
- F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/76—Friction clutches specially adapted to incorporate with other transmission parts, i.e. at least one of the clutch parts also having another function, e.g. being the disc of a pulley
-
- 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
-
- 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
-
- 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
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H2057/02026—Connection of auxiliaries with a gear case; Mounting of auxiliaries on the gearbox
Abstract
The invention discloses a transfer case, a transmission device and a cotton picker, wherein the transfer case comprises a transfer case shell, a power input assembly, a power output assembly, a clutch end cover and a clutch output end seat; the power input assembly, the power output assembly and the clutch power output assembly are all arranged in the transfer case shell, the power input assembly is in transmission connection with the power output assembly, and the power output assembly is in transmission connection with the clutch power output assembly; the clutch end cover supports one end of the clutch power output assembly, the clutch output end seat supports the other end of the clutch power output assembly, and the clutch end cover and the clutch output end seat are detachably connected to two ends of the transfer case shell respectively. The clutch power output assembly is integrally replaced, so that the replacement time of the clutch in the transfer case is shortened, and the maintenance difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of transfer cases, in particular to a transfer case, a transmission device and a cotton picker.
Background
The cotton picking industry of China gradually enters into mechanical picking, the cotton picking season is gradually shortened, but the requirement on the continuous operation performance of the cotton picker is improved, the cotton picker needs to be stopped for maintenance and replacement due to the fact that some parts of the cotton picker break down in the cotton picking operation, the longer the stopping time is, the more the benefit of the cotton picker is affected, and the transfer case serving as one of key parts in the cotton picker is a device for distributing the power of an engine. Under different working conditions of walking, cotton harvesting, cotton unloading and the like of the cotton picker, the variation range of the output power and the rotating speed of the engine is large, the transfer case needs to bear large alternating load, and long-time working under the working condition can cause that the clutch cannot be combined and separated and the internal spline on the clutch shaft is abraded, so that the fan cannot normally work and the working performance of the cotton picker is directly influenced. At the moment, the whole transfer case needs to be shut down and disassembled to return to the factory for replacement, the maintenance time is long, and the maintenance difficulty is high.
Therefore, how to reduce the replacement time of the clutch in the transfer case and reduce the maintenance difficulty is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a transfer case, which can reduce the replacement time of a clutch in the transfer case and reduce the maintenance difficulty.
A second object of the invention is to provide a transmission.
A third object of the present invention is to provide a cotton picker.
In order to achieve the first object, the present invention provides the following solutions:
a transfer case comprises a transfer case shell, a power input assembly, a power output assembly, a clutch end cover and a clutch output end seat;
the power input assembly, the power output assembly and the clutch power output assembly are all arranged in a transfer case shell, the power input assembly is in transmission connection with the power output assembly, and the power output assembly is in transmission connection with the clutch power output assembly;
the clutch end cover supports one end of the clutch power output assembly, the clutch output end seat supports the other end of the clutch power output assembly, and the clutch end cover and the clutch output end seat are detachably connected to two ends of the transfer case shell respectively.
In a specific embodiment, the clutch power output assembly comprises a clutch assembly, a clutch shaft, a clutch power output gear and a clutch mounting seat;
the clutch shaft is rotatably arranged in the transfer case shell, and the clutch mounting seat is sleeved outside the clutch shaft and is positioned between the clutch end cover and the clutch output end seat;
the clutch power output gear is arranged outside the clutch mounting seat and is in transmission connection with the power output assembly;
the clutch assembly is mounted in the clutch mount.
In another specific embodiment, the clutch assembly comprises a sliding sleeve, a clutch bearing, a spacer sleeve and a friction plate assembly;
the sliding sleeve, the clutch bearing, the spacer bush and the friction plate assembly are sequentially sleeved outside the clutch shaft along the direction from the installation of the clutch end cover to the installation of the clutch output end seat of the clutch shaft;
the clutch end cover is sleeved outside the sliding sleeve and the clutch bearing;
the bottom end of the spacer sleeve is used for limiting the inner ring of the clutch bearing, the bottom end of the friction plate assembly is abutted to the top end of the spacer sleeve, and the friction plate assembly is installed in the clutch installation seat.
In another specific embodiment, the friction plate assembly comprises a bearing plate, a friction plate, a compression spring, a sliding plate and a support seat;
the pressure bearing plate is sleeved outside the clutch shaft, the friction plate is fixed outside the pressure bearing plate, the sliding plate is sleeved outside the pressure bearing plate in a sealing mode, the bottom end of the sliding plate is connected with the bottom end of the compression spring, the top end of the compression spring is connected with the pressure bearing plate, the supporting seat is sleeved outside the clutch shaft in a sleeving mode, the supporting seat seals the outer wall of the sliding plate, and a sealing cavity communicated with an air path is formed among the supporting seat, the bottom end of the sliding plate and the pressure bearing plate;
when gas is introduced into the sealing cavity, the sliding plate compresses the compression spring, so that the friction plate is combined with the clutch mounting seat;
when no gas is introduced into the sealing cavity, the sliding plate slides downwards under the action of the compression spring, so that the friction plate is separated from the clutch mounting seat.
In another specific embodiment, the clutch power output assembly further comprises a clutch framework sealing ring, a clutch power output bearing and a clutch shaft retainer ring;
the clutch end cover is arranged along the clutch shaft to the direction of arranging the clutch output end seat, the inner ring of the clutch framework sealing ring and the inner ring of the clutch power output bearing are sequentially sleeved outside the clutch shaft in a sealing manner, and the outer ring of the clutch framework sealing ring and the outer ring of the clutch power output bearing are sequentially sleeved in the clutch output end seat;
the clutch shaft is sleeved outside the clutch mounting seat by the check ring and used for limiting the clutch power output gear.
In another specific embodiment, the power input assembly includes an input shaft, an input gear, and a flywheel housing,
the input shaft is rotatably arranged in the transfer case shell, the input gear is sleeved outside the input shaft and is positioned in the transfer case shell, and the flywheel shell is fixed on the transfer case shell and is positioned outside the transfer case shell;
the power output assembly comprises a first power output assembly and a second power output assembly, the first power output assembly comprises a first power output shaft and a first power output gear, the second power output assembly comprises a second power output shaft and a second power output gear, the first power output shaft and the second power output shaft are respectively rotatably installed in the transfer case shell and are located on two sides of the input shaft, the first power output gear is sleeved outside the first power output shaft and is in meshing transmission with the input gear, and the second power output gear is sleeved outside the second power output shaft and is in meshing transmission with the input gear and the clutch power output gear respectively.
In another specific embodiment, the power input assembly includes an input skeletal seal and a power input bearing, the input shaft is mounted within the transfer case housing through the power input bearing, an inner race of the input skeletal seal is sealingly secured to the input shaft, and an outer race of the input skeletal seal seals the end of the transfer case housing proximate the flywheel housing;
the first power output assembly further comprises a first power output bearing, a retainer ring for an output shaft, a sealing end cover and a sealing ring, the first power output shaft is rotatably mounted in the transfer case shell through the first power output bearing, the retainer ring for the output shaft is mounted at the first end of the first power output shaft and used for limiting the first power output bearing, the sealing end cover is hermetically mounted on the transfer case shell and used for sealing the first end of the first power output shaft, and the sealing ring is hermetically mounted at the end of the transfer case shell facing the second end of the first power output shaft;
the second power output assembly further comprises a second power output bearing, and the second power output shaft is rotatably mounted in the transfer case shell through the second power output bearing.
In another specific embodiment, the clutch end cover is an integrally formed end cover, or the clutch end cover comprises a first clutch end cover and a second clutch end cover, the first clutch end cover is installed on the second clutch end cover, and the second clutch end cover is installed at one end of the clutch shaft and is connected with the transfer case shell;
the transfer case shell comprises a front shell and a rear shell detachably connected with the front shell, the connecting surface of the front shell and the rear shell is parallel to an input shaft of the power input assembly, and the input shaft is respectively arranged in parallel with the clutch shaft, the first power output shaft and the second power output shaft;
the transfer case also comprises an observation mirror, and the observation mirror is arranged on the rear shell and is used for observing the internal operation condition of the transfer case body;
the transfer case further comprises a temperature sensor, and the temperature sensor is installed at the position, close to the clutch power output assembly, of the bottom end of the rear shell.
The various embodiments according to the invention can be combined as desired, and the embodiments obtained after these combinations are also within the scope of the invention and are part of the specific embodiments of the invention.
When the transfer case provided by the invention is used, the power input assembly transmits power to the clutch power output assembly through the power output assembly. When the clutch power output assembly is damaged and needs to be replaced, the clutch output end seat and the clutch end cover are disconnected from the transfer case shell, the clutch power output assembly is integrally taken down, the new clutch power output assembly is placed in the transfer case shell, and the two ends of the clutch power output assembly are fixed on the transfer case shell through the clutch output end seat and the clutch end cover. The clutch power output assembly is integrally replaced, so that the replacement time of the clutch in the transfer case is shortened, and the maintenance difficulty is reduced.
In order to achieve the second object, the present invention provides the following solutions:
a transmission including a transfer case as claimed in any one of the preceding claims.
Since the transmission provided by the invention comprises the transfer case in any item, the transfer case has the advantages that the transmission provided by the invention comprises.
In order to achieve the third object, the present invention provides the following solutions:
a cotton picker comprises the transmission device.
The cotton picker comprises the transmission device, so that the transmission device has the beneficial effects that the cotton picker comprises.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without novelty work.
FIG. 1 is a schematic cross-sectional view of a transfer case provided in accordance with one embodiment of the present invention;
FIG. 2 is a cross-sectional structural schematic view of a transfer case provided in accordance with another embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a clutch assembly provided by the present invention;
FIG. 4 is a schematic cross-sectional view of a friction plate assembly provided in accordance with the present invention;
FIG. 5 is a front view schematic diagram of a transfer case provided by the present invention;
FIG. 6 is a schematic view of a partial configuration of a transfer case provided by the present invention.
Wherein, in fig. 1-6:
the transfer case shell 1, the power input assembly 2, the clutch power output assembly 3, the clutch end cover 4, the clutch output end seat 5, the clutch assembly 30, the clutch shaft 31, the clutch power output gear 32, the clutch mounting seat 33, the sliding sleeve 301, the clutch bearing 302, the spacer 303, the friction plate assembly 304, the bearing plate 3041, the friction plate 3042, the compression spring 3043, the sliding plate 3044, the support 3045, the seal ring 3046, the clutch skeleton seal ring 34, the clutch power output bearing 35, the clutch shaft retainer ring 36, the input shaft 20, the input gear 21, the flywheel housing 22, the first power output assembly 6, the second power output assembly 7, the first power output shaft 60, the first power output gear 61, the second power output shaft 70, the second power output gear 71, the input skeleton seal ring 23, the power input bearing 24, the first power output bearing 62, the output shaft retainer ring 63, The gear pump comprises a sealing end cover 64, a sealing ring 65, a second power output bearing 72, a first clutch end cover 40, a second clutch end cover 41, a front shell 101, a rear shell 102, an observation mirror 8, a temperature sensor 9, a gear pump 10 and a coupling 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 6 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the position or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, a first aspect of the present invention provides a transfer case, which can reduce the replacement time of a clutch in the transfer case and reduce the maintenance difficulty.
Specifically, the transfer case comprises a transfer case shell 1, a power input assembly 2, a power output assembly, a clutch power output assembly 3, a clutch end cover 4 and a clutch output end seat 5.
The transfer case shell 1 is internally provided with installation positions of all components, so that the power input component 2, the power output component and the clutch power output component 3 are respectively installed in the transfer case shell 1.
The power input assembly 2 is in transmission connection with the power output assembly, and the power output assembly is in transmission connection with the clutch power output assembly 3.
The clutch end cover 4 supports one end of the clutch power output assembly 3, the clutch output end seat 5 supports the other end of the clutch power output assembly 3, and the clutch end cover 4 and the clutch output end seat 5 are detachably connected to two ends of the transfer case shell 1 respectively. Specifically, the clutch end cover 4 and the clutch output end base 5 are mounted on both ends of the transfer case housing 1 by screws or the like.
Further, the invention discloses that the clutch end cap 4 is a cylindrical end cap, and it should be noted that the specific shape of the clutch end cap 4 is not limited, and may be other shapes, for example, a conical end cap or a square end cap.
When the clutch power output assembly 3 is in use, the power input assembly 2 transmits power to the clutch power output assembly 3 through the power output assembly. When the clutch power output assembly 3 is damaged and needs to be replaced, the connection between the clutch output end seat 5 and the clutch end cover 4 and the transfer case shell 1 is disconnected, the clutch power output assembly 3 is integrally taken down, a new clutch power output assembly 3 is placed in the transfer case shell 1, and the two ends of the new clutch power output assembly are fixed on the transfer case shell 1 through the clutch output end seat 5 and the clutch end cover 4. The clutch power output assembly 3 is integrally replaced, so that the replacement time of the clutch in the transfer case is shortened, and the maintenance difficulty is reduced.
In some embodiments, the clutch power take-off assembly 3 includes a clutch assembly 30, a clutch shaft 31, a clutch power take-off gear 32, and a clutch mount 33.
The clutch shaft 31 is rotatably mounted in the transfer case housing 1, and the clutch mounting seat 33 is sleeved outside the clutch shaft 31 and is located between the clutch end cover 4 and the clutch output end seat 5.
The clutch power output gear 32 is installed outside the clutch installation seat 33 and is in transmission connection with the power output assembly, and the clutch assembly 30 is installed in the clutch installation seat 33. Whether the clutch shaft 31 outputs the rotational speed is achieved by the clutch assembly 30.
Further, as shown in fig. 3, the present invention discloses that the clutch assembly 30 includes a sliding sleeve 301, a clutch bearing 302, a spacer 303, and a friction plate assembly 304.
The sliding bush 301, the clutch bearing 302, the spacer 303 and the friction plate member 304 are fitted in this order outside the clutch shaft 31 in the direction from the clutch end cover 4 to the clutch output end holder 5 along the clutch shaft 31.
The clutch end cover 4 is fitted around the sliding bush 301 and the clutch bearing 302, the bottom end of the spacer 303 limits the inner ring of the clutch bearing 302, the bottom end of the friction plate assembly 304 abuts against the top end of the spacer 303, and the friction plate assembly 304 is mounted in the clutch mount 33.
Specifically, as shown in fig. 4, the friction plate assembly 304 includes a bearing plate 3041, a friction plate 3042, a compression spring 3043, a sliding plate 3044 and a supporting seat 3045, the bearing plate 3041 is sleeved outside the clutch shaft 31, the friction plate 3042 is fixed outside the bearing plate 3041, the sliding plate 3044 is sleeved outside the bearing plate 3041 in a sealing manner, the bottom end of the sliding plate 3044 is connected to the bottom end of the compression spring 3043, the top end of the compression spring 3043 is connected to the bearing plate 3041, the supporting seat 3045 is sleeved outside the clutch shaft 31, the supporting seat 3045 seals the outer wall of the sliding plate 3044, and a sealing cavity which is communicated with an air path is formed between the bottom ends of the supporting seat 3045 and the sliding plate 3044 and the bearing plate 3041.
Specifically, the space between the sliding plate 3044 and the bearing plate 3041 and the space between the sliding plate 3044 and the supporting seat 3045 are sealed by the sealing rings 3046.
When gas is introduced into the sealed cavity, the sliding plate 3044 compresses the compression spring 3043, so that the friction plate 3042 is combined with the clutch mounting seat 33; when no gas is introduced into the sealed cavity, the sliding plate 3044 slides downward under the action of the compression spring 3043, so that the friction plate 3042 is separated from the clutch mount 33.
That is, the friction plate assembly 304 in this embodiment is pneumatically clutched. It should be noted that the friction plate assembly 304 may be controlled pneumatically, or may be mechanically actuated.
Further, the invention discloses a clutch power output assembly 3, which further comprises a clutch framework sealing ring 34, a clutch power output bearing 35 and a clutch shaft retainer ring 36.
Along the direction from the installation of the clutch end cover 4 to the installation of the clutch output end seat 5 of the clutch shaft 31, the inner ring of the clutch framework sealing ring 34 and the inner ring of the clutch power output bearing 35 are sequentially sleeved outside the clutch shaft 31 in a sealing manner, and the outer ring of the clutch framework sealing ring 34 and the outer ring of the clutch power output bearing 35 are sequentially sleeved in the clutch output end seat 5. The clutch skeleton seal 34 realizes the sealing of the clutch shaft 31 and the clutch output end seat 5, and the clutch power output bearing 35 realizes the rotatable connection of the clutch shaft 31 and the clutch output end seat 5.
The retainer ring 36 for the clutch shaft is sleeved outside the clutch mounting seat 33 and used for limiting the clutch power output gear 32.
In some embodiments, the power input assembly 2 includes an input shaft 20, an input gear 21, and a flywheel housing 22, the input shaft 20 being rotatably mounted within the transfer case housing 1, the input gear 21 being nested outside the input shaft 20 and within the transfer case housing 1, the flywheel housing 22 being secured to the transfer case housing 1 and outside the transfer case housing 1.
Further, the invention discloses that the power input assembly 2 comprises an input framework sealing ring 23 and a power input bearing 24, the input shaft 20 is installed in the transfer case shell 1 through the power input bearing 24, the inner ring of the input framework sealing ring 23 is fixed on the input shaft 20 in a sealing mode, and the outer ring of the input framework sealing ring 23 seals the end, close to the flywheel shell 22, of the transfer case shell 1.
The coupling 11 and the gear pump 10 are connected to both ends of the input shaft 20.
In some embodiments, the power output assembly comprises a first power output assembly 6 and a second power output assembly 7, the first power output assembly 6 comprises a first power output shaft 60 and a first power output gear 61, the second power output assembly 7 comprises a second power output shaft 70 and a second power output gear 71, the first power output shaft 60 and the second power output shaft 70 are respectively rotatably mounted in the transfer case shell 1 and are positioned at two sides of the input shaft 20, the first power output gear 61 is sleeved outside the first power output shaft 60 and is in meshing transmission with the input gear 21, and the second power output gear 71 is sleeved outside the second power output shaft 70 and is in meshing transmission with the input gear 21 and the clutch power output gear 32 respectively.
The power output unit is not limited to the above configuration, and may include only the second power output unit 7.
Further, the invention discloses that the first power output assembly 6 further comprises a first power output bearing 62, a retaining ring 63 for the output shaft, a sealing end cover 64 and a sealing ring 65, the first power output shaft 60 is rotatably mounted in the transfer case shell 1 through the first power output bearing 62, the retaining ring 63 for the output shaft is mounted on the first end of the first power output shaft 60 and used for limiting the first power output bearing 62, the sealing end cover 64 is hermetically mounted on the transfer case shell 1 and used for sealing the first end of the first power output shaft 60, and the sealing ring 65 is hermetically mounted on the end of the transfer case shell 1 facing the second end of the first power output shaft 60.
The second power output assembly 7 further includes a second power output bearing 72, and the second power output shaft 70 is rotatably mounted within the transfer case housing 1 by the second power output bearing 72.
In some embodiments, the clutch end cap 4 is an integrally formed end cap, as shown in FIG. 1.
The clutch cover 4 may be a split structure, for example, the clutch cover 4 includes a first clutch cover 40 and a second clutch cover 41, the first clutch cover 40 is mounted on the second clutch cover 41, the second clutch cover 41 is mounted on one end of the clutch shaft 31 and connected to the transfer case housing 1, as shown in fig. 2.
The transfer case housing 1 includes a front housing 101 and a rear housing 102 detachably connected to the front housing 101, and a connection surface of the front housing 101 and the rear housing 102 is parallel to the input shaft 20 of the power input assembly 2, and the input shaft 20 is disposed in parallel to the clutch shaft 31, the first power output shaft 60, and the second power output shaft 70, respectively. The transfer case housing 1 is divided into a front housing 101 and a rear housing 102 to facilitate assembly of the various components.
In some embodiments, as shown in FIG. 5, the transfer case further includes a sight glass 8, the sight glass 8 being mounted to the rear housing 102 for viewing the operation of the transfer case interior.
In some embodiments, as shown in fig. 6, the transfer case further includes a temperature sensor 9, the temperature sensor 9 being mounted at the bottom end of the rear housing 102 near the clutched power output assembly 3 for temperature measurement.
In the invention, the clutch in the transfer case is used for controlling the working state rotating speed, combination and separation of the fan in the cotton picking process, the clutch needs to be frequently combined and separated when the cotton picking machine works, the friction plate 3042 and the compression spring 3043 in the clutch assembly 30 are wearing parts, and simultaneously, the internal spline on the clutch shaft 31 is worn, in order to ensure the working performance of the cotton picking machine and be convenient for later maintenance, the clutch shaft 31 and the clutch assembly 30 (namely the friction plate 3042 and the compression spring 3043) which need to be maintained are designed in a modularized way, the transfer case can be detached from the whole machine, the clutch end cover 4 can be detached at the port, the clutch power output assembly 3 can be integrally taken out at the port, and then the clutch shaft 31 or the transfer case 3 with good performance is assembled back from the clutch end cover 4, the structure enables the maintenance to be more convenient, so that the transfer case can be automatically replaced without being returned to the factory in the cotton picking place, the maintenance time and the maintenance difficulty are greatly reduced, the working efficiency is greatly improved, and the maintenance cost is reduced.
A second aspect of the invention provides a transmission including a transfer case as in any one of the embodiments above.
Since the transmission provided by the invention comprises the transfer case in any one of the embodiments, the transfer case has the advantages that the transmission provided by the invention comprises.
In a third aspect the invention provides a cotton picker including a drive as in the previous embodiment.
Because the cotton picker provided by the invention comprises the transmission device in the embodiment, the transmission device has the beneficial effects that the cotton picker provided by the invention comprises.
It should be noted that the words indicating the orientation herein, such as upper and lower, are set in the direction in which the transfer case is used, and are for convenience of description only, and do not have other specific meanings.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A transfer case is characterized by comprising a transfer case shell, a power input assembly, a power output assembly, a clutch end cover and a clutch output end seat;
the power input assembly, the power output assembly and the clutch power output assembly are all arranged in a transfer case shell, the power input assembly is in transmission connection with the power output assembly, and the power output assembly is in transmission connection with the clutch power output assembly;
the clutch end cover supports one end of the clutch power output assembly, the clutch output end seat supports the other end of the clutch power output assembly, and the clutch end cover and the clutch output end seat are detachably connected to two ends of the transfer case shell respectively.
2. The transfer case of claim 1, wherein the clutched power output assembly includes a clutch assembly, a clutch shaft, a clutched power output gear, and a clutch mount;
the clutch shaft is rotatably arranged in the transfer case shell, and the clutch mounting seat is sleeved outside the clutch shaft and is positioned between the clutch end cover and the clutch output end seat;
the clutch power output gear is arranged outside the clutch mounting seat and is in transmission connection with the power output assembly;
the clutch assembly is mounted in the clutch mount.
3. The transfer case of claim 2, wherein the clutch assembly includes a slip sleeve, a clutch bearing, a spacer sleeve and a friction plate assembly;
the sliding sleeve, the clutch bearing, the spacer bush and the friction plate assembly are sequentially sleeved outside the clutch shaft along the direction from the installation of the clutch end cover to the installation of the clutch output end seat of the clutch shaft;
the clutch end cover is sleeved outside the sliding sleeve and the clutch bearing;
the bottom end of the spacer sleeve is used for limiting the inner ring of the clutch bearing, the bottom end of the friction plate assembly is abutted to the top end of the spacer sleeve, and the friction plate assembly is installed in the clutch installation seat.
4. The transfer case of claim 3, wherein the friction plate assembly includes a bearing plate, a friction plate, a compression spring, a slide plate and a support seat;
the pressure bearing plate is sleeved outside the clutch shaft, the friction plate is fixed outside the pressure bearing plate, the sliding plate is sleeved outside the pressure bearing plate in a sealing mode, the bottom end of the sliding plate is connected with the bottom end of the compression spring, the top end of the compression spring is connected with the pressure bearing plate, the supporting seat is sleeved outside the clutch shaft in a sleeving mode, the supporting seat seals the outer wall of the sliding plate, and a sealing cavity communicated with an air path is formed among the supporting seat, the bottom end of the sliding plate and the pressure bearing plate;
when gas is introduced into the sealing cavity, the sliding plate compresses the compression spring, so that the friction plate is combined with the clutch mounting seat;
when no gas is introduced into the sealing cavity, the sliding plate slides downwards under the action of the compression spring, so that the friction plate is separated from the clutch mounting seat.
5. The transfer case of claim 2, wherein the clutched power output assembly further includes a clutched skeletal seal ring, a clutched power output bearing, and a clutch shaft retainer ring;
the clutch end cover is arranged along the clutch shaft to the direction of arranging the clutch output end seat, the inner ring of the clutch framework sealing ring and the inner ring of the clutch power output bearing are sequentially sleeved outside the clutch shaft in a sealing manner, and the outer ring of the clutch framework sealing ring and the outer ring of the clutch power output bearing are sequentially sleeved in the clutch output end seat;
the clutch shaft is sleeved outside the clutch mounting seat by the check ring and used for limiting the clutch power output gear.
6. The transfer case of any one of claims 2-5, wherein the power input assembly includes an input shaft, an input gear, and a flywheel housing,
the input shaft is rotatably mounted within the transfer case housing,
the input gear is sleeved outside the input shaft and is positioned in the transfer case shell,
the flywheel shell is fixed on the transfer case shell and is positioned outside the transfer case shell;
the power output assembly comprises a first power output assembly and a second power output assembly, the first power output assembly comprises a first power output shaft and a first power output gear, the second power output assembly comprises a second power output shaft and a second power output gear, the first power output shaft and the second power output shaft are respectively rotatably installed in the transfer case shell and are located on two sides of the input shaft, the first power output gear is sleeved outside the first power output shaft and is in meshing transmission with the input gear, and the second power output gear is sleeved outside the second power output shaft and is in meshing transmission with the input gear and the clutch power output gear respectively.
7. The transfer case of claim 6, wherein the power input assembly includes an input skeletal seal and a power input bearing, the input shaft being mounted within the transfer case housing by the power input bearing, an inner race of the input skeletal seal being sealingly secured to the input shaft, an outer race of the input skeletal seal sealing the end of the transfer case housing proximate the flywheel casing;
the first power output assembly further comprises a first power output bearing, a retainer ring for an output shaft, a sealing end cover and a sealing ring, the first power output shaft is rotatably mounted in the transfer case shell through the first power output bearing, the retainer ring for the output shaft is mounted at the first end of the first power output shaft and used for limiting the first power output bearing, the sealing end cover is hermetically mounted on the transfer case shell and used for sealing the first end of the first power output shaft, and the sealing ring is hermetically mounted at the end of the transfer case shell facing the second end of the first power output shaft;
the second power output assembly further comprises a second power output bearing, and the second power output shaft is rotatably mounted in the transfer case shell through the second power output bearing.
8. The transfer case of claim 7, wherein the clutch end cap is an integrally formed end cap or includes a first clutch end cap and a second clutch end cap, the first clutch end cap being mounted on the second clutch end cap, the second clutch end cap being mounted on one end of the clutch shaft and being connected to the transfer case housing;
the transfer case shell comprises a front shell and a rear shell detachably connected with the front shell, the connecting surface of the front shell and the rear shell is parallel to an input shaft of the power input assembly, and the input shaft is respectively arranged in parallel with the clutch shaft, the first power output shaft and the second power output shaft;
the transfer case also comprises an observation mirror, and the observation mirror is arranged on the rear shell and is used for observing the internal operation condition of the transfer case body;
the transfer case further comprises a temperature sensor, and the temperature sensor is installed at the position, close to the clutch power output assembly, of the bottom end of the rear shell.
9. A transmission comprising a transfer case according to any one of claims 1 to 8.
10. A cotton picker including a transmission as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180786.6A CN113833812A (en) | 2021-10-11 | 2021-10-11 | Transfer case, transmission device and cotton picker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180786.6A CN113833812A (en) | 2021-10-11 | 2021-10-11 | Transfer case, transmission device and cotton picker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113833812A true CN113833812A (en) | 2021-12-24 |
Family
ID=78968369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111180786.6A Pending CN113833812A (en) | 2021-10-11 | 2021-10-11 | Transfer case, transmission device and cotton picker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113833812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087669A1 (en) * | 2022-10-28 | 2024-05-02 | 潍柴雷沃智慧农业科技股份有限公司 | Dual-drum two-gear transmission and double-longitudinal axial flow harvester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212377266U (en) * | 2020-04-24 | 2021-01-19 | 迅捷安消防及救援科技（深圳）有限公司 | Power takeoff |
| WO2021110155A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Fully-mechanical self-adaptive automatic transmission |
| WO2021110154A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Intelligent self-adaptive automatic transmission |
| CN113090679A (en) * | 2021-03-31 | 2021-07-09 | 无锡华夏中矿机电科技有限公司 | Quick detach formula cotton picker clutch subassembly connection structure for transfer case |
-
2021
- 2021-10-11 CN CN202111180786.6A patent/CN113833812A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110155A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Fully-mechanical self-adaptive automatic transmission |
| WO2021110154A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Intelligent self-adaptive automatic transmission |
| CN212377266U (en) * | 2020-04-24 | 2021-01-19 | 迅捷安消防及救援科技（深圳）有限公司 | Power takeoff |
| CN113090679A (en) * | 2021-03-31 | 2021-07-09 | 无锡华夏中矿机电科技有限公司 | Quick detach formula cotton picker clutch subassembly connection structure for transfer case |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087669A1 (en) * | 2022-10-28 | 2024-05-02 | 潍柴雷沃智慧农业科技股份有限公司 | Dual-drum two-gear transmission and double-longitudinal axial flow harvester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113833812A (en) | Transfer case, transmission device and cotton picker | |
| US5752810A (en) | Pump with an integral clutch | |
| CN200989396Y (en) | Pneumatic clutch | |
| CN102387298A (en) | High-temperature camera with panorama function | |
| CN111473101A (en) | Cup-shaped harmonic reducer device for joint module | |
| CN209026167U (en) | The dynamic sealing device and vacuum equipment of vacuum equipment | |
| CN202268955U (en) | High-temperature video camera with panorama function | |
| CN101915238B (en) | Overload-protection thick liquid pump | |
| CN110701286A (en) | Power head speed reducer and pile machine | |
| CN207526907U (en) | A kind of interior external tooth friction disk type hydraulic clutch | |
| CN201148210Y (en) | Semi-flexible type shaft driven system for small-sized unmanned helicopter tail rotor | |
| CN213088237U (en) | Gear bearing lubricating structure of air compressor | |
| CN212717890U (en) | Box body transmission assembly, transfer case and operation mechanical equipment | |
| CN215763076U (en) | Corner planetary reducer structure | |
| CN2379643Y (en) | Pneumatic friction wafer type clutch | |
| CN210106601U (en) | Composite sealing device | |
| CN209340197U (en) | Bearing spider, gas suspension compressor and air-conditioning with it | |
| CN220870070U (en) | High-sealing rotary shaft oil seal | |
| CN113137361A (en) | Intelligent control reciprocating air compressor | |
| CN111750931A (en) | Wireless vibration sensor | |
| CN107965606B (en) | Be used for pneumatic high vacuum gate valve of side drive formula and rotary drive connection structure | |
| CN202790175U (en) | Oil free type automobile transmission shaft | |
| CN210034215U (en) | Driving gear combination device of motorcycle clutch | |
| CN214743249U (en) | Power transmission mechanism | |
| CN102734342B (en) | Oiling-free automobile transmission shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211224 |