CN114193974A - Rear wheel track adjusting device of wheeled tractor - Google Patents
Rear wheel track adjusting device of wheeled tractor Download PDFInfo
- Publication number
- CN114193974A CN114193974A CN202111513224.9A CN202111513224A CN114193974A CN 114193974 A CN114193974 A CN 114193974A CN 202111513224 A CN202111513224 A CN 202111513224A CN 114193974 A CN114193974 A CN 114193974A
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- Prior art keywords
- hub
- face
- gear
- bearing bush
- assembly
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- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
- B60B35/1072—Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements
- B60B35/1081—Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements the element is a wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a rear wheel track adjusting device of a wheeled tractor, which comprises a wheel assembly, a short screw, a first gasket, a connecting bolt, a second gasket, an upper bearing bush, a flat key, a gear, a lower bearing bush assembly, a hub and a long screw, wherein the upper bearing bush and the lower bearing bush assembly are arranged on the wheel assembly, the upper bearing bush and the lower bearing bush combined piece are loosened by rotating and loosening the connecting bolt and the long screw, the screw rod is rotated to loosen the hub combined piece, the gear shaft is rotated at the moment, because the gear shaft is connected with the gear through the flat key, the gear is driven to rotate, the gear is matched with the rack on the half shaft, the wheel hub assembly is driven to move outwards along the half shaft, the adjustment of the wheel track of the rear wheel is completed by moving the wheel track to the size corresponding to the half shaft according to the required wheel track, the wheel track of the rear wheel of the tractor is adjusted more conveniently and rapidly, and the beneficial effect of improving the working efficiency is achieved.
Description
Technical Field
The invention relates to the field related to tractors, in particular to a rear wheel track adjusting device of a wheeled tractor.
Background
The rear wheel track of the existing wheel tractor is divided into a fixed wheel track mode and an adjustable wheel track mode, and the adjustable wheel track is more and more favored by users along with the change of agriculture and the development of agricultural implements; the general rear wheel base adjustment mode in market now is modes such as upset steel ring subplate, slip wheel hub, addition adjusting block, and wherein slip wheel hub is more advanced adjustment mode, but this kind of adjustment mode is wasted time and energy, and the operation is numerous and diverse, has reduced work efficiency, just under this kind of circumstances, we propose this kind of novel portable tractor rear wheel base stepless adjusting device.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a rear wheel track adjusting device for a wheeled tractor.
The invention is realized in such a way that a wheel track adjusting device of a rear wheel of a wheeled tractor is constructed, the device comprises a wheel assembly, a short screw, a flat key and a lower bearing assembly, the left end of the inner side of the wheel assembly is fixedly locked with a connecting piece, the inner ring of the wheel assembly covers the end surface of the outer side of a half shaft, the outer side of the short screw is provided with a first gasket, the first gasket is tightly attached to the left end surface of a wheel hub, the outer side of a connecting bolt is provided with a second gasket, the second gasket is tightly attached to the right end surface of an upper bearing bush, the upper bearing bush is fixedly locked to the right end surface of the wheel hub through the connecting bolt, the upper end surface and the lower end surface of the upper bearing bush are respectively attached to the top of the inner side of the wheel hub and the top of the outer side of the half shaft, the flat key is arranged on the side surface of a gear shaft and is connected to the inner ring of the gear, the gear penetrates through the top of the top surface of the inner side of the wheel hub and is mutually meshed with a gear rack, the upper end surface and the lower end surface of the lower bearing bush are respectively attached to the bottom of the outer side of the bottom of the inner side of the half shaft and the bottom of the wheel hub, the wheel hub is locked on the left end face of the connecting piece through a short screw, the wheel hub is locked at the bottom of the outer side of the lower bearing bush combined piece through a long screw and a reinforcing screw, a third gasket is arranged on the outer side of the long screw, the gear shaft is rotatably connected with the top of the outer side of the wheel hub, a sealing gasket is arranged at the front end of the outer side of the gear shaft, a fourth gasket is arranged on the outer side of the reinforcing screw, the sealing gasket is arranged at the front end of the inner side of the wheel hub, and the rack is arranged on the top end face of the half shaft;
the half shaft is vertical to the left end surface of the wheel assembly;
the short screws are arranged on the connecting piece at equal intervals, and the hub and the connecting piece are provided with corresponding screw holes;
the upper end surface and the lower end surface of the upper bearing bush are respectively parallel to the wheel hub inner ring and the half shaft outer ring;
the top end face of the lower bearing assembly is of an arc-shaped structure, and the top end face of the lower bearing assembly is parallel to the bottom end face of the half shaft.
Preferably, the connecting piece expands outwards from left to right.
Preferably, the top end face of the upper bearing bush is provided with an opening matched with the gear, and the length of the inner side of the opening is larger than the outer diameter of the gear.
Preferably, the rack is perpendicular to the top end face of the half shaft.
The invention has the following advantages: the invention provides a rear wheel track adjusting device of a wheeled tractor through improvement, which has the following improvement compared with the same type of equipment:
according to the rear wheel track adjusting device for the wheeled tractor, the upper bearing bush and the lower bearing bush combined piece are arranged on the wheel combined piece, the upper bearing bush and the lower bearing bush combined piece are loosened by rotating the loosened connecting bolt and the long screw, the hub combined piece is loosened by rotating the screw rod, the gear shaft is rotated at the moment, the gear shaft is connected with the gear through the flat key, so that the gear is driven to rotate, the gear is matched with the rack on the half shaft, the hub combined piece is driven to move outwards along the half shaft, the rear wheel track is adjusted according to the size of the required wheel track on the corresponding half shaft, the rear wheel track adjusting device for the wheeled tractor achieves the advantages of adjusting the rear wheel track of the tractor more conveniently and quickly, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a gear shaft connection of the present invention;
fig. 3 is a schematic view of the reinforcing screw coupling structure of the present invention.
Wherein: the wheel assembly-1, the short screw-2, the first washer-3, the connecting bolt-4, the second washer-5, the upper bearing bush-6, the flat key-7, the gear-8, the lower bearing assembly-9, the hub-10, the long screw-11, the third washer-12, the gear shaft-13, the reinforcing screw-14, the fourth washer-15, the sealing gasket-16, the half shaft-17, the rack-18 and the connecting piece-19.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.
The invention is realized in this way, construct a wheel distance adjusting device of rear wheel of wheeled tractor, the device includes the wheel assembly 1, the short screw 2, the flat key 7 and the lower bearing assembly 9, the left end lock of the inboard of the wheel assembly 1 has the link 19, and the wheel assembly 1 inner circle covers the lateral surface of half axle 17, there is the first gasket 3 outside the short screw 2, the first gasket 3 is affixed to the left end surface of the wheel hub 10 closely, there is the second gasket 5 outside the tie bolt 4, the second gasket 5 is affixed to the right end surface of the upper bearing 6, the upper bearing 6 is affixed to the right end surface of the wheel hub 10 through the tie bolt 4, and the upper and lower end surfaces of the upper bearing 6 are affixed to the inboard top of the wheel hub 10 and the lateral top of the half axle 17 separately, the flat key 7 is set up to the side surface of the gear shaft 13, and the flat key 7 is connected to the gear 8 inner circle, the gear 8 runs through the inboard top of the wheel hub 10 and the top end surface of the upper bearing 6, and the gear 8 and rack 18 are engaged with each other, the upper end face and the lower end face of the lower bearing combined piece 9 are respectively attached to the bottom of the outer side of the half shaft 17 and the bottom of the inner side of the hub 10, the hub 10 is locked on the left end face of the connecting piece 19 through the short screws 2, the hub 10 is locked on the bottom of the outer side of the lower bearing combined piece 9 through the long screws 11 and the reinforcing screws 14, the outer side of the long screws 11 is provided with a third gasket 12, the gear shaft 13 is rotatably connected with the top of the outer side of the hub 10, the front end of the outer side of the gear shaft 13 is provided with a sealing gasket 16, the outer side of the reinforcing screws 14 is provided with a fourth gasket 15, the sealing gasket 16 is installed at the front end of the inner side of the hub 10, and the rack 18 is arranged on the top end face of the half shaft 17.
Furthermore, half axle 17 is perpendicular to wheel closes piece 1 left end face, and the half axle 17 of being convenient for drives wheel closes piece 1 steady rotation.
Furthermore, the short screws 2 are arranged on the connecting piece 19 at equal intervals, and corresponding screw holes are formed in the hub 10 and the connecting piece 19, so that the mounting stability of the hub 10 is improved.
Furthermore, both ends are the arc structure about the upper bearing bush 6, and the upper and lower terminal surface of upper bearing bush 6 is on a parallel with wheel hub 10 inner circle and semi-axis 17 outer lane respectively, is convenient for upper bearing bush 6 steadily to laminate on semi-axis 1.
Further, the top end face of the lower bearing assembly 9 is of an arc-shaped structure, and the top end face of the lower bearing assembly 9 is parallel to the bottom end face of the half shaft 17, so that the lower bearing assembly 9 is stably attached to the half shaft 1.
Furthermore, the connecting piece 19 is in a shape expanding outwards from left to right, so that the stability of the connecting piece 19 for supporting the hub 10 is improved.
Furthermore, the top end face of the upper bearing bush 6 is provided with an opening matched with the gear 8, and the length of the inner side of the opening is larger than the outer diameter of the gear 8, so that the gear 8 can rotate in cooperation with the rack 18.
Further, the rack 18 is perpendicular to the top end face of the half shaft 17, so that the gear 8 can rotate in cooperation with the rack 18.
The invention provides a rear wheel track adjusting device of a wheeled tractor through improvement, and the working principle is as follows;
firstly, the device is integrally and fixedly arranged at a designated position on a tractor, and can be connected through two half shafts 17 which are symmetrically arranged to form a whole shaft lever supported by a rear wheel of the tractor;
secondly, the half shaft 17 is connected to a driving device on the tractor, so that the half shaft 17 can be driven to rotate by the driving device of the tractor, and the half shaft 17 drives the hub 10 and the wheel assembly 1 to rotate, so that the wheel assembly 1 drives the tractor to move;
thirdly, when the distance between the two wheel assemblies 1 of the rear wheel of the tractor needs to be adjusted, the upper bearing bush 6 and the lower bearing bush assembly 9 can be loosened by rotating the loosening connecting bolt 4 and the long screw 11, and the hub assembly 1 is loosened by rotating the screw 14, at this time, the gear shaft 13 is rotated, since the gear shaft 13 and the gear 8 are connected by the flat key 7, so that the gear 8 is driven to rotate, the gear 8 is engaged with the rack 18 on the axle shaft 1, the wheel hub assembly 10 is driven to move outwards along the axle shaft, the adjustment of the wheel track of the rear wheel is finished by moving the wheel track to the size of the corresponding half shaft according to the required wheel track, when the two wheel assemblies 10 and the wheel track are adjusted, the connecting bolt 4 and the long screw 11 can be rotated reversely again, so that the upper bearing bush 6 and the lower bearing bush closing member 9 move horizontally along the half shaft 17 to reset to connect the wheel hub 10 and the wheel closing member 1, and at the moment, the tractor can be controlled again to drive the two wheel closing members 1 to rotate.
The invention provides a rear wheel track adjusting device of a wheeled tractor through improvement, an upper bearing bush 6 and a lower bearing bush assembly 9 are loosened by rotating a loosening connecting bolt 4 and a long screw 11, a hub assembly 1 is loosened by rotating a screw 14, a gear shaft 13 is rotated at the moment, the gear shaft 13 and a gear 8 are connected through a flat key 7, so that the gear 8 is driven to rotate, the gear 8 is matched with a rack 18 on a half shaft 1, the hub assembly 10 is driven to move outwards along the half shaft, the rear wheel track is adjusted according to the size of the required track moving to the corresponding half shaft, the rear wheel track adjusting device achieves the beneficial effects of adjusting the rear wheel track of the tractor more conveniently and quickly and improving the working efficiency.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
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.
Claims (4)
1. The utility model provides a wheeled tractor rear wheel tread adjusting device which characterized in that: the device comprises a wheel assembly (1), a short screw (2), a flat key (7) and a lower bearing assembly (9), wherein a connecting piece (19) is locked at the left end of the inner side of the wheel assembly (1), the inner ring of the wheel assembly (1) covers the end face of the outer side of a half shaft (17), a first gasket (3) is arranged at the outer side of the short screw (2), the first gasket (3) is tightly attached to the left end face of a hub (10), a second gasket (5) is arranged at the outer side of a connecting bolt (4), the second gasket (5) is tightly attached to the right end face of an upper bearing bush (6), the upper bearing bush (6) is fixedly locked to the right end face of the hub (10) through the connecting bolt (4), the upper end face and the lower end face of the upper bearing bush (6) are respectively attached to the top of the inner side of the hub (10) and the top of the outer side of the half shaft (17), the flat key (7) is arranged on the side surface of a gear shaft (13), and the flat key (7) is connected to the inner ring of a gear (8), the gear (8) penetrates through the top of the inner side of the hub (10) and the top end face of the upper bearing bush (6), the gear (8) is meshed with the rack (18), the upper end face and the lower end face of the lower bearing bush assembly (9) are respectively attached to the bottom of the outer side of the half shaft (17) and the bottom of the inner side of the hub (10), the hub (10) is locked on the left end face of the connecting piece (19) through the short screws (2), the hub (10) is locked on the bottom of the outer side of the lower bearing bush assembly (9) through the long screws (11) and the reinforcing screws (14), the outer side of each long screw (11) is provided with a third gasket (12), the gear shaft (13) is rotatably connected with the top of the outer side of the hub (10), the front end of the outer side of the gear shaft (13) is provided with a sealing gasket (16), the outer side of each reinforcing screw (14) is provided with a fourth gasket (15), and the sealing gasket (16) is installed at the front end of the inner side of the hub (10), the rack (18) is arranged on the top end face of the half shaft (17);
the half shaft (17) is vertical to the left end surface of the wheel assembly (1);
the short screws (2) are arranged on the connecting piece (19) at equal intervals, and the hub (10) and the connecting piece (19) are provided with corresponding screw holes;
the upper end surface and the lower end surface of the upper bearing bush (6) are respectively parallel to the inner ring of the hub (10) and the outer ring of the half shaft (17);
the top end face of the lower bearing assembly (9) is of an arc-shaped structure, and the top end face of the lower bearing assembly (9) is parallel to the bottom end face of the half shaft (17).
2. The rear wheel track adjusting apparatus of a wheeled tractor according to claim 1, wherein: the connecting piece (19) is expanded from left to right.
3. The rear wheel track adjusting apparatus of a wheeled tractor according to claim 1, wherein: the top end face of the upper bearing bush (6) is provided with an opening matched with the gear (8), and the length of the inner side of the opening is larger than the outer diameter of the gear (8).
4. The rear wheel track adjusting apparatus of a wheeled tractor according to claim 1, wherein: the rack (18) is vertical to the top end surface of the half shaft (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111513224.9A CN114193974A (en) | 2021-12-12 | 2021-12-12 | Rear wheel track adjusting device of wheeled tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111513224.9A CN114193974A (en) | 2021-12-12 | 2021-12-12 | Rear wheel track adjusting device of wheeled tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114193974A true CN114193974A (en) | 2022-03-18 |
Family
ID=80652635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111513224.9A Pending CN114193974A (en) | 2021-12-12 | 2021-12-12 | Rear wheel track adjusting device of wheeled tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114193974A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1551431A (en) * | 1975-07-02 | 1979-08-30 | Deere & Co | Wheel and shaft assembly |
| JP2002274117A (en) * | 2001-03-22 | 2002-09-25 | Ishikawajima Shibaura Mach Co Ltd | Tread changing device |
| CN205149403U (en) * | 2015-11-26 | 2016-04-13 | 常州东风农机集团有限公司 | Electrodeless adjustment mechanism of wheeled tractor track |
| CN213108872U (en) * | 2020-07-09 | 2021-05-04 | 道依茨法尔机械有限公司 | Driving device for stepless adjustable wheel track of tractor |
-
2021
- 2021-12-12 CN CN202111513224.9A patent/CN114193974A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1551431A (en) * | 1975-07-02 | 1979-08-30 | Deere & Co | Wheel and shaft assembly |
| JP2002274117A (en) * | 2001-03-22 | 2002-09-25 | Ishikawajima Shibaura Mach Co Ltd | Tread changing device |
| CN205149403U (en) * | 2015-11-26 | 2016-04-13 | 常州东风农机集团有限公司 | Electrodeless adjustment mechanism of wheeled tractor track |
| CN213108872U (en) * | 2020-07-09 | 2021-05-04 | 道依茨法尔机械有限公司 | Driving device for stepless adjustable wheel track of tractor |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220318 |