CN108223758B - Clutch differential mechanism - Google Patents
Clutch differential mechanism Download PDFInfo
- Publication number
- CN108223758B CN108223758B CN201810065841.9A CN201810065841A CN108223758B CN 108223758 B CN108223758 B CN 108223758B CN 201810065841 A CN201810065841 A CN 201810065841A CN 108223758 B CN108223758 B CN 108223758B
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- Prior art keywords
- clutch
- side cover
- gear shaft
- gear
- matched
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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
- F16H48/00—Differential gearings
- F16H48/12—Differential gearings without gears having orbital motion
- F16H48/19—Differential gearings without gears having orbital motion consisting of two linked clutches
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a clutch differential mechanism, which comprises a gear shaft sleeve (1), a gear shaft (12), a large gear (7), a clutch differential mechanism and left and right clutch mechanisms, wherein the gear shaft sleeve (1) is sleeved on the gear shaft (12) in a mutually rotatable manner, the clutch differential mechanism comprises left and right side covers (13, 9), left and right middle covers (15, 20) and left and right clutch springs (17, 19), the large gear (7) is arranged on the gear shaft (12), the left and right middle covers (15, 20) and the left and right side covers (13, 9) are correspondingly arranged on two sides of the large gear (7), left and right clutch blocks (16, 34) which are matched with each other are correspondingly arranged on the left and right middle covers (15, 20), and the left and right clutch springs (17, 19) are correspondingly arranged between the left and right middle covers (15, 20) and two sides of the large gear (7). After adopting this structure, have simple structure reasonable, operation convenient to use, automatic separation and reunion differential, turn radius little, turn advantage such as nimble.
Description
Technical Field
The invention relates to a mechanical transmission device on a non-motor vehicle, in particular to a clutch differential mechanism for controlling the walking and steering of a snowplow.
Background
The traditional small snowplow is generally not provided with a clutch differential, and has the following problems in the operation and use process: firstly, a large force is needed to turn the small snowplow, so that the labor intensity of operators is high, and the use requirement cannot be met; secondly, can not realize the turn in situ, turn the radius big during the turn, inconvenient operation uses. In order to solve the problems, people directly use the clutch differential mechanism on the motor vehicle on the small-sized snowplow, so that two wheels of the small-sized snowplow can realize differential steering, and the expected differential effect can be achieved, but the small-sized snowplow has the problems of complex structure, large volume, heavy weight, high processing precision requirement, high production cost and the like when being installed and used because the walking and steering speed of the small-sized snowplow is slow and completely different from the using working condition of the motor vehicle, thereby leading to high factory cost and being unfavorable for popularization and popularization of the small-sized snowplow. For this reason, many manufacturers and knowledgeable persons develop and try to solve the above problems, but no ideal product has been developed so far.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the clutch differential mechanism which has the advantages of simple and reasonable structure, convenient operation and use, automatic clutch differential, small turning radius and flexible steering.
The invention provides a technical scheme for solving the technical problems, which comprises a gear shaft sleeve, a gear shaft, a large gear, a clutch differential mechanism and a left clutch mechanism and a right clutch mechanism, wherein the gear shaft sleeve is sleeved on the gear shaft in a mutually rotatable manner, the clutch differential mechanism comprises a left middle cover, a right middle cover and a left clutch spring, a plurality of clutch holes are uniformly distributed on the large gear and are rotatably arranged on the gear shaft, the left middle cover and the right middle cover are correspondingly arranged on two sides of the large gear, a left clutch block and a right clutch block which are matched with the clutch holes are correspondingly arranged on the left middle cover, the left side cover is meshed with the corresponding gear shaft sleeve and the gear shaft through spline teeth, side cover disk teeth are correspondingly arranged on the left middle cover and the right middle cover, middle cover disk teeth are correspondingly arranged on the left middle cover and the right middle cover through the corresponding side disk teeth and the middle cover disk teeth, the left clutch spring and the right clutch spring are correspondingly arranged between the left middle cover and the two sides of the large gear, the left clutch block and the right clutch block are of a raised trapezoid structure, a first inclined surface and a second inclined surface which are correspondingly matched with the clutch holes and drive the left middle cover to rotate, a second inclined surface and a third inclined surface which correspondingly rotates, and a right inclined surface which correspondingly rotates, and a left inclined surface and a right inclined surface which correspondingly rotates, or a right inclined surface correspondingly to a right inclined surface and a right inclined surface.
According to a further scheme, the left clutch mechanism comprises a left clutch assembly, a left clutch plate, a left bearing and a spacer bush, wherein the left bearing and the spacer bush are sleeved on a gear shaft sleeve, the left clutch assembly is rotatably arranged on a box body, the left clutch plate is hinged on the box body, one end of the left clutch plate is matched with the end face of the left bearing, the other end of the left clutch plate is matched with a lug on the left clutch assembly, and the end face of the spacer bush is tightly attached to the end face of a left side cover; the right clutch mechanism is characterized in that the right clutch mechanism is provided with a right clutch assembly, a right clutch plate and a right bearing, the right bearing is sleeved on the gear shaft, the right clutch assembly is rotatably arranged on the box body, the right clutch plate is hinged on the box body, one end of the right clutch plate is matched with the end face of the right bearing, the other end of the right clutch plate is matched with a lug on the right clutch assembly, and the end face of the right bearing is tightly attached to the end face of the right side cover.
According to a further scheme, a return spring is connected between the left clutch plate and the right clutch plate.
According to the further scheme, the large gear is rotatably arranged on the gear shaft through the gear shaft sleeve, a left spring installation groove and a right spring installation groove are formed between the large gear and the gear shaft sleeve, and the left clutch spring and the right clutch spring are correspondingly installed on the left spring installation groove and the right spring installation groove.
According to a further scheme, sealing gaskets are correspondingly arranged between the left side cover, the right side cover and the large gear.
After adopting above-mentioned structure, compare with prior art has following advantage and effect: the left and right differential steering is realized through the engagement and the separation and reunion of the left and right middle cover and the left and right side covers under the action of external force by the cooperation of the first, second, third and fourth vertical surfaces of the left and right clutch blocks and the large gear and the butt joint of the first plane and the second plane, the left and right differential steering is flexible and portable, the differential effect is good, the turning radius is small, and the production cost is low.
Drawings
Fig. 1 is a schematic perspective view of the structure of the present invention.
Fig. 2 is a schematic view of the bottom view structure of the present invention.
Fig. 3 is a schematic view of an exploded structure of the present invention.
Fig. 4 is a schematic diagram of a mating structure according to the present invention.
Fig. 5 is a schematic perspective view of the left and right middle covers according to the present invention.
Fig. 6 is a schematic view of the mating structure of the present invention when the present invention is moved forward or backward.
Fig. 7 is a schematic view of the engagement structure of the present invention when the steering is left.
Fig. 8 is a schematic view of the engagement structure of the present invention when the steering to the right is created.
The gear sleeve comprises a gear sleeve 1, a left clutch assembly 2, a left clutch plate 3, a left bearing 4, a return spring 5, a spacer bush 6, a 7 gear wheel, a right clutch assembly 8, a right side cover 9, a right clutch plate 10, a right bearing 11, a gear shaft 12, a left side cover 13, a side cover disk tooth 14, a left middle cover 15, a left clutch block 16, a left clutch spring 17, a gear sleeve 18, a right clutch spring 19, a right middle cover 20, a middle cover disk tooth 21, a clutch gap 22, a first vertical face 23, a first inclined face 24, a first plane 25, a second inclined face 26, a second vertical face 27, a third vertical face 28, a third inclined face 29, a second plane 30, a fourth inclined face 31, a fourth vertical face 32, a fourth vertical face 33 and a right clutch block 34.
Detailed Description
The clutch differential mechanism comprises a gear sleeve 1, a gear shaft 12, a large gear 7, a clutch differential mechanism and a left clutch mechanism and a right clutch mechanism, wherein the gear sleeve 1 is sleeved on the gear shaft 12 in a mutually rotatable manner, the clutch differential mechanism comprises left and right side covers 13 and 9, left and right middle covers 15 and 20, left and right clutch springs 17 and 19, a plurality of clutch holes are uniformly distributed on the large gear 7 and are rotatably arranged on the gear shaft 12, the left and right middle covers 15 and 20 and the left and right side covers 13 and 9 are correspondingly arranged on two sides of the large gear 7, left and right clutch blocks 16 and 34 matched with the clutch holes are correspondingly arranged on the left and right middle covers 15 and 20, the left and right side covers 13 and 9 are meshed with the corresponding gear sleeve 1 and the gear shaft 12 through spline teeth, side cover disk teeth 14 are correspondingly arranged on the left and right side covers 13 and 9, the left and right middle covers 15, 20 are provided with middle cover disk teeth 21, the left and right side covers 13, 9 are matched with the left and right middle covers 15, 20 through the corresponding side cover disk teeth 14 and middle cover disk teeth 21, the left and right clutch springs 17, 19 are correspondingly arranged between the left and right middle covers 15, 20 and the two sides of the large gear 7, the left and right clutch blocks 16, 34 are of a convex trapezoid structure, the left and right clutch blocks 16, 34 are correspondingly provided with first and second vertical surfaces 23, 27 matched with clutch holes and driving the left middle cover 15 to rotate, and third and fourth vertical surfaces 28, 32 driving the right middle cover 20 to rotate, the left and right clutch blocks 16, 20 are correspondingly provided with first planes 25 and second planes 30 matched when the left and right clutch blocks 16, 20 are correspondingly provided with second inclined planes 26 and fourth inclined planes 31 or first inclined planes 24 and third inclined planes 29 when the left and right clutch blocks 16, 20 are correspondingly provided with left and right inclined planes matched with each other.
The left clutch mechanism comprises a left clutch assembly 2, a left clutch plate 3, a left bearing 4 and a spacer bush 6, wherein the left bearing 4 and the spacer bush 6 are sleeved on a gear shaft sleeve 1, the left clutch assembly 2 is rotatably arranged on a box body, the left clutch plate 3 is hinged on the box body, one end of the left clutch plate is matched with the end face of the left bearing 4, the other end of the left clutch plate is matched with a lug on the left clutch assembly 2, and the end face of the spacer bush 6 is tightly attached to the end face of a left side cover 13; the right clutch mechanism is characterized in that the right clutch assembly 8, the right clutch plate 10 and the right bearing 11 are arranged on the gear shaft 12 in a sleeved mode, the right clutch assembly 8 is rotatably arranged on the box body, the right clutch plate 10 is hinged to the box body, one end of the right clutch plate 10 is matched with the end face of the right bearing 11, the other end of the right clutch plate is matched with a lug on the right clutch assembly 8, and the end face of the right bearing 11 is tightly attached to the end face of the right side cover 9. A return spring 5 is connected between the left clutch plate 3 and the right clutch plate 10.
In order to reduce the friction resistance of the left clutch spring 17 and the right clutch spring 19, the large gear 7 is rotatably arranged on the gear shaft 12 through the gear shaft sleeve 18, a left spring installation groove and a right spring installation groove are formed between the large gear 7 and the gear shaft sleeve 18, and the left clutch spring 17 and the right clutch spring 19 are correspondingly installed on the left spring installation groove and the right spring installation groove.
In order to effectively prevent dust, the invention further provides a sealing gasket 33 between the left and right side covers 13, 9 and the large gear 7.
The working principle of the invention is as follows: when the left and right clutch mechanisms are in the non-operating state, as shown in fig. 4, a large clutch gap 22 is reserved between the left and right side covers 13, 9 and the left and right middle covers 15, 20, the side cover disk teeth 14 on the left and right side covers 13, 9 and the middle cover disk teeth 21 on the left and right middle covers 15, 20 are in the clutch state, and when the large gear 7 rotates under the drive of the driving gear, the middle cover disk teeth 21 and the side cover disk teeth 14 are not meshed, the left and right middle covers 15, 20 do not drive the left and right side covers 13, 9 to rotate, so the left and right side covers 13, 9 do not drive the gear shaft sleeve 1 and the gear shaft 12 to rotate.
When the left and right clutch mechanisms are in a working state, the left and right clutch assemblies 2 and 8 drive the left and right clutch plates 3 and 10 to work through the convex blocks to compress the left and right bearings 4 and 11, the left bearing 4 compresses the left side cover 13 through the spacer bush 6, the right bearing 11 compresses the right side cover 9, the left and right side covers 13 and 9 are respectively meshed with the left and right middle covers 15 and 20 against the elasticity of the left and right clutch springs 17 and 19 under the pushing action of the left and right clutch mechanisms, the two sides of the left and right middle covers 15 and 20 are subjected to the same pushing force, and the first planes 25 and the second planes 30 of the left and right clutch blocks 16 and 34 are tightly butted. When the small snowplow is controlled to move forwards or backwards, the large gear 7 is driven by the driving gear to drive the left and right middle covers 15 and 20 to rotate through the first and second vertical surfaces 23 and 27 and the third and fourth vertical surfaces 28 and 32 on the left and right clutch blocks 16 and 34, and the left and right middle covers 15 and 20 correspondingly drive the gear shaft sleeve 1 and the gear shaft 12 to synchronously rotate through the left and right side covers 13 and 9, so that the forward or backwards movement is realized.
When the steering force is applied to steer left, as shown in fig. 7, the speed of the right wheel is faster than that of the left wheel and a rotating speed difference is generated, the first plane 25 and the second plane 30 of the left clutch block 16 and the right clutch block 34 cannot be butted and generate dislocation, the second inclined plane 26 on the left clutch block 16 is butted with the fourth inclined plane 31 on the right clutch block 34, the right middle cover 20 and the right side cover 9 generate a clutch gap 22 under the combined action of the steering force and the inclined plane generating force to realize the clutch, the right middle cover 20 and the right side cover 9 independently rotate, the left middle cover 15 is meshed with the left side cover 13, the large gear 7 drives the left side cover 13 to rotate through the left middle cover 15, and the left side cover 13 drives the left wheel to rotate through the gear sleeve 1, so that the differential speed of steering left is realized; after turning, the speeds of the left wheel and the right wheel are restored to be consistent, the right middle cover 20 automatically resets under the combined action of the acting force generated by the combination of the elasticity of the right clutch spring 19 and the inclined plane, the right side cover 9 is meshed with the right middle cover 20, and the left clutch blocks 16 and 34 on the left middle cover 15 and the right middle cover 20 restore to be in butt joint with the first plane 15 and the second plane 30, so that the normal forward or backward state is restored.
When the left wheel is steered to the right by the steering external force, as shown in fig. 8, the speed of the left wheel is faster than that of the right wheel and a rotating speed difference is generated, the first plane 25 and the second plane 30 of the left clutch block 16 and the right clutch block 34 cannot be butted and generate dislocation, the third inclined plane 29 on the right clutch block 34 is butted with the first inclined plane 24 on the left clutch block 16, the left middle cover 15 and the left side cover 13 generate a clutch gap 22 under the combined action of steering force and the inclined plane generating acting force to realize clutch, the left middle cover 15 and the left side cover 13 independently rotate, the right middle cover 20 is meshed with the left side cover 9, the bull gear 7 drives the right side cover 9 to rotate through the right middle cover 20, and the right side cover 9 drives the right wheel to rotate through the gear shaft 12, so that the differential speed of steering to the right is realized; after turning, the speeds of the left wheel and the right wheel are restored to be consistent, the left middle cover 15 automatically resets under the combined action of the elastic force of the left clutch spring 17 and the acting force generated by the combination of the inclined planes, the left side cover 13 is meshed with the left middle cover 15, the left clutch blocks 16 and 34 on the left middle cover 15 and the right middle cover 20 restore to be in butt joint with the first plane 15 and the second plane 30, and the normal forward or backward state is restored.
The foregoing is merely an embodiment of the present invention and is not intended to limit the invention in any way, and simple modifications, equivalent variations or modifications can be made without departing from the technical solution of the invention, all falling within the scope of the invention.
Claims (5)
1. The utility model provides a clutch differential mechanism, includes gear sleeve (1), gear shaft (12), gear wheel (7), clutch differential mechanism, controls clutch mechanism, and gear sleeve (1) rotationally overlaps with each other and establishes on gear shaft (12), characterized by: the clutch differential mechanism comprises a left side cover (13) and a right side cover (9), a left middle cover (15) and a right middle cover (20), a left clutch spring (17) and a right clutch spring (19), a plurality of clutch holes are uniformly distributed on the large gear (7) and are rotatably arranged on the gear shaft (12), the left middle cover (15) and the right middle cover (20) and the left side cover (13) and the right side cover (9) are correspondingly arranged on two sides of the large gear (7), left clutch blocks (16) and right clutch blocks (34) matched with the clutch holes are correspondingly arranged on the left middle cover (15) and the right middle cover (20), the left side cover (13) and the right side cover (9) are meshed with the corresponding gear shaft sleeve (1) and the gear shaft (12) through spline teeth, side cover disc teeth (14) are correspondingly arranged on the left side cover (13) and the right side cover (9), the left and right middle covers (15, 20) are provided with middle cover disc teeth (21), the left and right side covers (13, 9) are matched with the left and right middle covers (15, 20) through corresponding side cover disc teeth (14) and middle cover disc teeth (21), left and right clutch springs (17, 19) are correspondingly arranged between the left and right middle covers (15, 20) and two sides of the large gear (7), left and right clutch blocks (16, 34) are of a convex trapezoid structure, and the left and right clutch blocks (16, 34) are correspondingly provided with first and second vertical faces (23, 27) which are matched with clutch holes and drive the left middle cover (15) to rotate and third and fourth vertical faces (28) which drive the right middle cover (20) to rotate, 32 The left and right clutch blocks (16, 20) are provided with a first plane (25) and a second plane (30) which are matched when the left and right clutch blocks go forward or backward, and the left and right clutch blocks (16, 20) are provided with a second inclined plane (26) and a fourth inclined plane (31) or a first inclined plane (24) and a third inclined plane (29) which are matched when the left and right clutch blocks go left or right.
2. The clutch differential of claim 1, wherein: the left clutch mechanism comprises a left clutch assembly (2), a left clutch plate (3), a left bearing (4) and a spacer bush (6), wherein the left bearing (4) and the spacer bush (6) are sleeved on a gear shaft sleeve (1), the left clutch assembly (2) is rotatably arranged on a box body, the left clutch plate (3) is hinged on the box body, one end of the left clutch plate is matched with the end face of the left bearing (4), the other end of the left clutch plate is matched with a protruding block on the left clutch assembly (2), and the end face of the spacer bush (6) is tightly attached to the end face of a left side cover (13); the right clutch mechanism is characterized in that the right clutch assembly (8), the right clutch plate (10) and the right bearing (11) are arranged on the gear shaft (12) in a sleeved mode, the right clutch assembly (8) is rotatably arranged on the box body, the right clutch plate (10) is hinged to the box body, one end of the right clutch plate is matched with the end face of the right bearing (11), the other end of the right clutch plate is matched with a protruding block on the right clutch assembly (8), and the end face of the right bearing (11) is tightly attached to the end face of the right side cover (9).
3. The clutch differential of claim 2, wherein: a return spring (5) is connected between the left clutch plate (3) and the right clutch plate (10).
4. A clutch differential according to claim 1 or 2 or 3, characterized in that: the large gear (7) is rotatably arranged on the gear shaft (12) through the gear shaft sleeve (18), a left spring installation groove and a right spring installation groove are formed between the large gear (7) and the gear shaft sleeve (18), and left clutch springs (17) and right clutch springs (19) are correspondingly installed on the left spring installation groove and the right spring installation groove.
5. The clutch differential of claim 4, wherein: sealing washers (33) are correspondingly arranged between the left side cover (13) and the right side cover (9) and the large gear (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065841.9A CN108223758B (en) | 2018-01-23 | 2018-01-23 | Clutch differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065841.9A CN108223758B (en) | 2018-01-23 | 2018-01-23 | Clutch differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223758A CN108223758A (en) | 2018-06-29 |
| CN108223758B true CN108223758B (en) | 2023-09-19 |
Family
ID=62668631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810065841.9A Active CN108223758B (en) | 2018-01-23 | 2018-01-23 | Clutch differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223758B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129150A (en) * | 1988-12-26 | 1991-06-03 | Tochigi Fuji Ind Co Ltd | Differential gear |
| CN2287585Y (en) * | 1997-01-31 | 1998-08-12 | 王文生 | Clutch differential mechanism |
| CN201884598U (en) * | 2010-12-03 | 2011-06-29 | 孙小伟 | Clutch lock differential |
| AU2012100663A4 (en) * | 2012-05-17 | 2012-08-30 | Hengdian Group Linix Motor Co,.Ltd | Motor vehicle rear axle differential mechanism |
| CN205298424U (en) * | 2016-01-26 | 2016-06-08 | 正阳实业投资有限公司 | Double speed electric tool of rotational speed automatic switch -over |
| CN207740416U (en) * | 2018-01-23 | 2018-08-17 | 浙江大邦电动工具有限公司 | Clutch differential mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014105813A (en) * | 2012-11-29 | 2014-06-09 | Os Giken:Kk | Differential gear with differential limiting mechanism |
-
2018
- 2018-01-23 CN CN201810065841.9A patent/CN108223758B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129150A (en) * | 1988-12-26 | 1991-06-03 | Tochigi Fuji Ind Co Ltd | Differential gear |
| CN2287585Y (en) * | 1997-01-31 | 1998-08-12 | 王文生 | Clutch differential mechanism |
| CN201884598U (en) * | 2010-12-03 | 2011-06-29 | 孙小伟 | Clutch lock differential |
| AU2012100663A4 (en) * | 2012-05-17 | 2012-08-30 | Hengdian Group Linix Motor Co,.Ltd | Motor vehicle rear axle differential mechanism |
| CN205298424U (en) * | 2016-01-26 | 2016-06-08 | 正阳实业投资有限公司 | Double speed electric tool of rotational speed automatic switch -over |
| CN207740416U (en) * | 2018-01-23 | 2018-08-17 | 浙江大邦电动工具有限公司 | Clutch differential mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223758A (en) | 2018-06-29 |
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