CN112648356A - Multi-section automatic stepless speed changing box of crawler tractor - Google Patents
Multi-section automatic stepless speed changing box of crawler tractor Download PDFInfo
- Publication number
- CN112648356A CN112648356A CN202011481529.1A CN202011481529A CN112648356A CN 112648356 A CN112648356 A CN 112648356A CN 202011481529 A CN202011481529 A CN 202011481529A CN 112648356 A CN112648356 A CN 112648356A
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- cover plate
- hole
- spring
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 16
- 230000009471 action Effects 0.000 abstract description 11
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of gearboxes, and discloses a multi-section automatic stepless gearbox of a crawler tractor, which comprises a box body, wherein an input shaft is arranged on one side of the box body, output shafts are arranged on the front side and the back side of the box body, first grid holes are formed in the two sides of the box body, a cover plate is arranged at the top of the box body, and the cover plate is fixedly connected with the box body through screws. This automatic continuously variable transmission of crawler tractor multistage, can drive the bar board when controlling the gear through the action bars, the horizontal pole, montant and movable plate remove, can control first grid hole and second grid hole and overlap each other, and then form the louvre on box both sides wall, realize the heat dissipation with this, the removal interval of multiplicable bar board when shifting to high-speed gear, enlarge the overlapping area in first grid hole and second grid hole, and then enlarge the area of louvre, the radiating effect is improved, can avoid changing the gear back heat dispersion surplus or not enough problem.
Description
Technical Field
The invention relates to the technical field of gearboxes, in particular to a multi-section automatic stepless gearbox of a crawler tractor.
Background
The caterpillar tractor is one kind of tractor, and the walking unit consists of guide wheel, following wheel, thrust wheel, driving wheel and caterpillar. When the automatic multistage continuously variable transmission is operated, the driving wheel winds the crawler belt to do circular motion, the thrust wheel rolls on the track of the crawler belt to move forwards or backwards, and the automatic multistage continuously variable transmission is applied to a high-quality crawler belt tractor and is an important component of the crawler belt tractor.
Although the current multi-section automatic stepless gearbox has a heat dissipation function, the internal heating conditions of the gearbox are different when the gearbox is in different gears, and the heat dissipation performance of the current multi-section automatic stepless gearbox cannot be adjusted correspondingly according to different gears, so that the heat dissipation performance of the gearbox is insufficient in partial gears, and the heat dissipation performance of the gearbox is excessive in partial gears.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multi-section automatic stepless gearbox of a crawler tractor, which has the advantages of good heat dissipation performance and the like, and solves the problems that the heat dissipation performance of the existing multi-section automatic stepless gearbox is insufficient in partial gears and the heat dissipation performance of the existing multi-section automatic stepless gearbox is excessive in partial gears because the heat dissipation performance of the existing multi-section automatic stepless gearbox is not correspondingly adjusted according to different gears although the existing multi-section automatic stepless gearbox has the heat dissipation function.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic infinitely variable transmission of crawler tractor multistage, includes the box, box one side is provided with the input shaft, the box openly all is provided with the output shaft with the back, first grid hole has all been seted up to the box both sides, the box top is provided with the apron, the apron passes through screw and box fixed connection, the gear hole has been seted up on the apron, the apron bottom is provided with the bar shaped plate, first square hole and second square hole have been seted up on the bar shaped plate, first square hole inside is equipped with the action bars, the action bars top runs through the gear hole and extends to the apron top, the inside manual regulation and control device that is provided with of second square hole, bar shaped plate both ends all extend to box inner wall department, bar shaped plate both ends all are equipped with grid regulation and control device.
Preferably, manual regulation and control device includes the knob, the knob is located the apron top, knob bottom fixedly connected with screw rod, the screw rod bottom runs through apron and second square hole in proper order and extends to the apron bottom, screw rod one side is provided with the guide bar, guide bar top and apron fixed connection, the guide bar bottom runs through the second square hole and extends to the bar shaped plate bottom, guide bar bottom fixedly connected with base block, the screw rod passes through first bearing and apron swing joint, the screw rod passes through second bearing and base block swing joint, set up trapezoidal regulating block and activity clamp plate on the screw rod, trapezoidal regulating block and activity clamp plate are located the bottom and the top of bar shaped plate respectively.
Preferably, the trapezoidal adjusting block is in threaded connection with the screw, the trapezoidal adjusting block is movably sleeved with the guide rod, the movable pressing plate is in threaded connection with the screw, and the movable pressing plate is movably sleeved with the guide rod.
Preferably, the grid regulation and control device comprises two slide rails which are symmetrically distributed up and down, the two slide rails are fixedly connected with the inner wall of the box body, a movable plate is arranged between the two slide rails, the upper edge and the lower edge of the movable plate are respectively connected with the two slide rails in a sliding manner, a second grid hole is formed in the surface of the movable plate, a first buffer part and a second buffer part are respectively arranged on two sides of the movable plate, and a cleaner is further arranged on the movable plate.
Preferably, the first buffer member comprises a first telescopic rod and a first spring, two ends of the first telescopic rod are fixedly connected with the movable plate and the inner wall of the box body respectively, the first spring is sleeved with the first telescopic rod, and two ends of the first spring are fixedly connected with the movable plate and the inner wall of the box body respectively.
The second buffer piece comprises a second telescopic rod and a second spring, the two ends of the second telescopic rod are fixedly connected with the movable plate and the inner wall of the box body respectively, the second spring is sleeved with the second telescopic rod, and the two ends of the second spring are fixedly connected with the movable plate and the inner wall of the box body respectively.
Preferably, the clearance ware includes the horizontal pole, horizontal pole and bar shaped plate tip fixed connection, fixedly connected with cleaning brush on the horizontal pole, it is downthehole that cleaning brush extends to the second grid, the hole has all been seted up at the horizontal pole both ends, be equipped with the montant in the hole, the equal fixedly connected with fixing base in montant top and bottom, fixing base and movable plate fixed connection, the third spring has still been cup jointed on the montant, the third spring is located the horizontal pole bottom, third spring top and bottom respectively with horizontal pole and fixing base fixed connection.
The operating rod is fixedly provided with a bearing sleeve, the bottom end of the bearing sleeve extends into the first square hole, and the top end of the bearing sleeve extends into the gear hole.
Still cup jointed the rubber lag on the action bars, the rubber lag is located the apron top.
Compared with the prior art, the invention provides a multi-section automatic stepless gearbox of a crawler tractor, which has the following beneficial effects:
1. this automatic continuously variable transmission of crawler tractor multistage, can drive the bar board when controlling the gear through the action bars, the horizontal pole, montant and movable plate remove, can control first grid hole and second grid hole and overlap each other, and then form the louvre on box both sides wall, realize the heat dissipation with this, the removal interval of multiplicable bar board when shifting to high-speed gear, enlarge the overlapping area in first grid hole and second grid hole, and then enlarge the area of louvre, the radiating effect is improved, can avoid changing the gear back heat dispersion surplus or not enough problem.
2. This automatic continuously variable transmission of crawler tractor multistage through setting up manual regulation and control device, twists and moves the knob and can drive the screw rod and rotate, and then drives trapezoidal regulating block and shifts up, can promote bar shaped plate, horizontal pole, montant and movable plate through the inclined plane on the trapezoidal regulating block and remove, is favorable to manually adjusting the louvre to the maximum level, does not receive the influence of action bars simultaneously, is favorable to switching between two kinds of modes of maximum heat dispersion and automatically regulated heat dispersion, and the practicality is stronger.
3. This automatic continuously variable transmission of crawler tractor multistage can drive the movable clamp plate through reverse twisting the knob and move down, and then drives strip shaped plate and horizontal pole and move down, and then drives a plurality of cleaning brushes and move down simultaneously, is favorable to clearing up the dust in the second grid hole, has made things convenient for the maintenance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the cleaner of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic structural diagram of the manual control device according to the present invention;
FIG. 5 is a schematic view of the first grid of apertures of the present invention;
FIG. 6 is a schematic view of a structure of a gear hole according to the present invention;
fig. 7 is a schematic structural view of the first square hole of the present invention.
Wherein: 1. a box body; 2. an input shaft; 3. an output shaft; 4. a first grid aperture; 5. a cover plate; 6. a gear hole; 7. a strip plate; 8. a first square hole; 9. a second square hole; 10. an operating lever; 11. a knob; 12. a screw; 13. a guide bar; 14. a base block; 15. a trapezoidal adjusting block; 16. a movable pressing plate; 17. a slide rail; 18. moving the plate; 19. a second grid aperture; 20. a first telescopic rod; 21. a first spring; 22. a second telescopic rod; 23. a second spring; 24. a cross bar; 25. cleaning a brush; 26. a vertical rod; 27. a fixed seat; 28. a third spring; 29. a bearing housing; 30. a rubber protective sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the 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.
Referring to fig. 1-7, a multi-stage automatic stepless transmission for a crawler tractor comprises a case 1, wherein in practical application, a related speed change transmission part set is arranged in the case 1, the speed change transmission part set is the same as the prior art, the bottom end of an operating rod 10 is connected with the speed change transmission part set, one side of the case 1 is provided with an input shaft 2, the front and back of the case 1 are provided with output shafts 3, two sides of the case 1 are respectively provided with a first grid hole 4, the number of the first grid holes 4 is multiple, the multiple first grid holes 4 are uniformly distributed on the side surface of the case 1, the top of the case 1 is provided with a cover plate 5, the cover plate 5 is fixedly connected with the case 1 through screws, the cover plate 5 is provided with a gear hole 6, the bottom of the cover plate 5 is provided with a strip-shaped plate 7, the strip-shaped plate 7 is provided with a first square hole 8, during practical application action bars 10 is located 8 corners in first square hole, and 10 tops of action bars run through gear hole 6 and extend to 5 tops of apron, and 9 inside manual regulation and control devices that are provided with in second square hole, and 7 both ends of bar shaped plate all extend to 1 inner wall department of box, and 7 both ends of bar shaped plate all are equipped with grid regulation and control device.
The manual regulation and control device comprises a knob 11, the knob 11 is positioned at the top of a cover plate 5, the knob 11 is positioned inside a rubber protective sleeve 30 in practical application, the knob 11 is prevented from being rotated due to mistaken touch of the knob 11, a screw 12 is fixedly connected to the bottom end of the knob 11, the bottom end of the screw 12 sequentially penetrates through the cover plate 5 and a second square hole 9 and extends to the bottom of the cover plate 5, a guide rod 13 is arranged on one side of the screw 12, the guide rod 13 and the screw 12 are both vertically arranged, the surface of the guide rod 13 is a smooth surface and is used for providing guidance for a trapezoidal adjusting block 15 and a movable pressing plate 16, the top end of the guide rod 13 is fixedly connected with the cover plate 5, the bottom end of the guide rod 13 penetrates through the second square hole 9 and extends to the bottom of a strip-shaped plate 7, a base block 14 is fixedly connected to the bottom end of the guide rod 13, the screw 12 is movably connected with, trapezoidal regulating block 15 and activity clamp plate 16 are located the bottom and the top of bar plate 7 respectively, trapezoidal regulating block 15 and 12 threaded connection of screw rod, trapezoidal regulating block 15 cup joints with the activity of guide bar 13, be provided with the inclined plane on trapezoidal regulating block 15, inclined plane and the contact of second square hole 9 edge under the initial condition, can drive bar plate 7 and remove when trapezoidal regulating block 15 moves up, activity clamp plate 16 and 12 threaded connection of screw rod, activity clamp plate 16 cup joints with the activity of guide bar 13, activity clamp plate 16 level sets up, the width of activity clamp plate 16 is greater than the width of second square hole 9, bar plate 7 is pressed close to activity clamp plate 16 under the initial condition, can drive bar plate 7 when activity clamp plate 16 moves down and move down.
The grid regulation and control device comprises two slide rails 17 which are symmetrically distributed up and down, the two slide rails 17 are fixedly connected with the inner wall of the box body 1, a moving plate 18 is arranged between the two slide rails 17, the upper edge and the lower edge of the moving plate 18 are respectively in sliding connection with the two slide rails 17, the slide rails 17 are horizontally arranged, sliders matched with the slide rails 17 are arranged at the top edge and the bottom edge of the moving plate 18, the moving plate 18 is in sliding connection with the slide rails 17 through the sliders, a second grid hole 19 is formed in the surface of the moving plate 18, a first buffer part and a second buffer part are respectively arranged on two sides of the moving plate 18, the first buffer part and the second buffer part can ensure that the moving plate 18 automatically returns when the operating rod 10 is adjusted to a low gear position, the overlapping area of the second grid hole 19 and.
The first buffer piece comprises a first telescopic rod 20 and a first spring 21, two ends of the first telescopic rod 20 are fixedly connected with the movable plate 18 and the inner wall of the box body 1 respectively, the first spring 21 is sleeved with the first telescopic rod 20, and two ends of the first spring 21 are fixedly connected with the movable plate 18 and the inner wall of the box body 1 respectively.
The second bolster includes second telescopic link 22 and second spring 23, and second telescopic link 22 both ends respectively with movable plate 18 and box 1 inner wall fixed connection, second spring 23 cup joints with second telescopic link 22, second spring 23 both ends respectively with movable plate 18 and box 1 inner wall fixed connection.
The clearance ware includes horizontal pole 24, horizontal pole 24 and 7 tip fixed connection of bar shaped plate, fixedly connected with clearance brush 25 on the horizontal pole 24, the quantity of clearance brush 25 is the same with the quantity in second grid hole 19, clearance brush 25 extends to in the second grid hole 19, the hole has all been seted up at horizontal pole 24 both ends, be equipped with montant 26 in the hole, the equal fixedly connected with fixing base 27 in montant 26 top and bottom, fixing base 27 and the 18 fixed connection of movable plate, montant 26 can provide the guide effect, guarantee that horizontal pole 24 reciprocates, accessible montant 26 drives movable plate 18 when horizontal pole 24 removes simultaneously and removes, third spring 28 has still been cup jointed on montant 26, third spring 28 is located horizontal pole 24 bottom, third spring 28 top and bottom respectively with horizontal pole 24 and fixing base 27 fixed connection.
Fixed mounting has bearing housing 29 on the action bars 10, and in bearing housing 29 bottom extended to first square hole 8, bearing housing 29 top extended to gear hole 6, bearing housing 29 can reduce the wearing and tearing of action bars 10 and bar 7 and apron 5 when action bars 10 remove, improved life.
The operating rod 10 is further sleeved with a rubber protecting sleeve 30, and the rubber protecting sleeve 30 is located at the top of the cover plate 5.
When the box body 1 is used, when the operating rod 10 is controlled to shift gears, the operating rod 10 needs to move along the gear hole 6, the operating rod 10 can drive the strip-shaped plate 7 to move when moving, the strip-shaped plate 7 can drive the cross rod 24 to move, the cross rod 24 can drive the movable plate 18 to move along the slide rail 17 through the vertical rod 26, the second grid hole 19 is partially overlapped with the first grid hole 4 after the movable plate 18 moves to form a heat dissipation hole, and therefore heat dissipation performance of the box body 1 is improved, when a high-speed gear is changed, the operating rod 10 further drives the strip-shaped plate 7 to move, and then the overlapping size of the second grid hole 19 and the first grid hole 4 is increased, and therefore the heat dissipation performance;
when the heat dissipation performance needs to be controlled to be kept to the maximum, the rubber protective sleeve 30 is moved upwards, then the knob 11 is screwed, the knob 11 rotates to drive the screw rod 12 to rotate, the trapezoidal adjusting block 15 can be driven to move upwards, the strip-shaped plate 7 can be driven to move by utilizing mutual extrusion of the inclined surface on the trapezoidal adjusting block 15 and the second square hole 9, and then the cross rod 24 is driven to move, the moving plate 18 is driven to move along the sliding rail 17 through the vertical rod 26 when the cross rod 24 moves, finally the second grid hole 19 and the first grid hole 4 can be completely overlapped, the heat dissipation performance is adjusted to the maximum, and when the operating rod 10 is controlled, the moving track of the operating rod 10 is located inside the first square hole 8 and does not influence each other with the strip;
when the second grating holes 19 need to be cleaned, the knob 11 is rotated reversely, the knob 11 can drive the screw 12 to rotate, and further drive the movable pressing plate 16 to move downwards, the movable pressing plate 16 can move downwards to drive the strip-shaped plate 7 to move downwards, the strip-shaped plate 7 can move downwards to drive the transverse rod 24 and the cleaning brush 25 on the transverse rod 24 to move downwards, and the cleaning brush 25 can move downwards to clean the sundries attached to the second grating holes 19.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a crawler tractor multistage automatic continuously variable transmission, includes box (1), its characterized in that: an input shaft (2) is arranged on one side of the box body (1), output shafts (3) are arranged on the front side and the back side of the box body (1), first grid holes (4) are formed in two sides of the box body (1), a cover plate (5) is arranged on the top of the box body (1), the cover plate (5) is fixedly connected with the box body (1) through screws, a gear hole (6) is formed in the cover plate (5), a strip-shaped plate (7) is arranged at the bottom of the cover plate (5), a first square hole (8) and a second square hole (9) are formed in the strip-shaped plate (7), an operating rod (10) is arranged inside the first square hole (8), the top end of the operating rod (10) penetrates through the gear hole (6) and extends to the top of the cover plate (5), a manual regulation and control device is arranged inside the second square hole (9), two ends of the strip-shaped plate (7) extend to the inner wall of the, and two ends of the strip-shaped plate (7) are provided with grating regulating devices.
2. The multi-segment automatic continuously variable transmission of a crawler tractor according to claim 1, wherein: the manual regulation and control device comprises a knob (11), the knob (11) is positioned at the top of a cover plate (5), a screw rod (12) is fixedly connected with the bottom end of the knob (11), the bottom end of the screw rod (12) sequentially penetrates through the cover plate (5) and a second square hole (9) and extends to the bottom of the cover plate (5), a guide rod (13) is arranged on one side of the screw rod (12), the top end of the guide rod (13) is fixedly connected with the cover plate (5), the bottom end of the guide rod (13) penetrates through the second square hole (9) and extends to the bottom of a strip-shaped plate (7), a base block (14) is fixedly connected with the bottom end of the guide rod (13), the screw rod (12) is movably connected with the cover plate (5) through a first bearing, the screw rod (12) is movably connected with the base block (14) through a second bearing, a trapezoidal adjusting block (15) and a movable pressing plate, the trapezoid adjusting block (15) and the movable pressing plate (16) are respectively positioned at the bottom and the top of the strip-shaped plate (7).
3. The multi-segment automatic continuously variable transmission of a crawler tractor according to claim 2, wherein: trapezoidal regulating block (15) and screw rod (12) threaded connection, trapezoidal regulating block (15) and guide bar (13) activity are cup jointed, activity clamp plate (16) and screw rod (12) threaded connection, activity clamp plate (16) and guide bar (13) activity are cup jointed.
4. The multi-segment automatic continuously variable transmission of a crawler tractor according to claim 1, wherein: the grid regulation and control device includes two upper and lower symmetric distribution's slide rail (17), two slide rail (17) all with box (1) inner wall fixed connection, two be equipped with movable plate (18) between slide rail (17), edge respectively with two slide rail (17) sliding connection about movable plate (18), second grid hole (19) have been seted up on movable plate (18) surface, movable plate (18) both sides are provided with first bolster and second bolster respectively, still be provided with the clearance ware on movable plate (18).
5. The multi-segment automatic continuously variable transmission of a crawler tractor according to claim 4, wherein: the first buffer piece comprises a first telescopic rod (20) and a first spring (21), two ends of the first telescopic rod (20) are fixedly connected with the movable plate (18) and the inner wall of the box body (1) respectively, the first spring (21) is sleeved with the first telescopic rod (20), and two ends of the first spring (21) are fixedly connected with the movable plate (18) and the inner wall of the box body (1) respectively;
the second bolster includes second telescopic link (22) and second spring (23), second telescopic link (22) both ends respectively with movable plate (18) and box (1) inner wall fixed connection, second spring (23) cup joint with second telescopic link (22), second spring (23) both ends respectively with movable plate (18) and box (1) inner wall fixed connection.
6. The multi-segment automatic continuously variable transmission of a crawler tractor according to claim 4, wherein: the clearance ware includes horizontal pole (24), horizontal pole (24) and bar board (7) tip fixed connection, fixedly connected with clearance brush (25) are gone up in horizontal pole (24), clearance brush (25) extend to in second grid hole (19), the hole has all been seted up at horizontal pole (24) both ends, be equipped with montant (26) in the hole, montant (26) top and the equal fixedly connected with fixing base (27) in bottom, fixing base (27) and movable plate (18) fixed connection, third spring (28) have still been cup jointed on montant (26), third spring (28) are located horizontal pole (24) bottom, third spring (28) top and bottom respectively with horizontal pole (24) and fixing base (27) fixed connection.
7. The multi-segment automatic continuously variable transmission of a crawler tractor according to claim 1, wherein: the operating rod (10) is fixedly provided with a bearing sleeve (29), the bottom end of the bearing sleeve (29) extends into the first square hole (8), and the top end of the bearing sleeve (29) extends into the gear hole (6).
8. The multi-segment automatic continuously variable transmission of a crawler tractor according to claim 1, wherein: the operating rod (10) is further sleeved with a rubber protecting sleeve (30), and the rubber protecting sleeve (30) is located at the top of the cover plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011481529.1A CN112648356B (en) | 2020-12-16 | 2020-12-16 | Multi-section automatic stepless speed changing box of crawler tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011481529.1A CN112648356B (en) | 2020-12-16 | 2020-12-16 | Multi-section automatic stepless speed changing box of crawler tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112648356A true CN112648356A (en) | 2021-04-13 |
| CN112648356B CN112648356B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011481529.1A Active CN112648356B (en) | 2020-12-16 | 2020-12-16 | Multi-section automatic stepless speed changing box of crawler tractor |
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| CN (1) | CN112648356B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015022991A (en) * | 2013-07-23 | 2015-02-02 | 三菱電機株式会社 | Illuminating device |
| CN108317240A (en) * | 2018-04-17 | 2018-07-24 | 国机重工集团常林有限公司 | Loading machine gearbox cooling oil flow control system |
| CN108474288A (en) * | 2015-11-06 | 2018-08-31 | 赛迈道依茨-法尔意大利股份公司 | tractor with cooling system |
| CN209659966U (en) * | 2018-11-16 | 2019-11-22 | 山东新农发机械有限公司 | A kind of corn combine 4 wheel driven gearbox |
| CN110715046A (en) * | 2019-10-25 | 2020-01-21 | 蒙城县弘文信息科技有限公司 | Gear interlocking mechanism for agricultural machine gearbox |
| CN112060902A (en) * | 2020-08-11 | 2020-12-11 | 长城汽车股份有限公司 | Thermal management control method and device and automobile |
-
2020
- 2020-12-16 CN CN202011481529.1A patent/CN112648356B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015022991A (en) * | 2013-07-23 | 2015-02-02 | 三菱電機株式会社 | Illuminating device |
| CN108474288A (en) * | 2015-11-06 | 2018-08-31 | 赛迈道依茨-法尔意大利股份公司 | tractor with cooling system |
| CN108317240A (en) * | 2018-04-17 | 2018-07-24 | 国机重工集团常林有限公司 | Loading machine gearbox cooling oil flow control system |
| CN209659966U (en) * | 2018-11-16 | 2019-11-22 | 山东新农发机械有限公司 | A kind of corn combine 4 wheel driven gearbox |
| CN110715046A (en) * | 2019-10-25 | 2020-01-21 | 蒙城县弘文信息科技有限公司 | Gear interlocking mechanism for agricultural machine gearbox |
| CN112060902A (en) * | 2020-08-11 | 2020-12-11 | 长城汽车股份有限公司 | Thermal management control method and device and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112648356B (en) | 2024-02-27 |
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