CN212738337U - Variable crawler chassis of agricultural machine - Google Patents
Variable crawler chassis of agricultural machine Download PDFInfo
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- CN212738337U CN212738337U CN202022282269.7U CN202022282269U CN212738337U CN 212738337 U CN212738337 U CN 212738337U CN 202022282269 U CN202022282269 U CN 202022282269U CN 212738337 U CN212738337 U CN 212738337U
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- telescopic rod
- telescopic link
- crawler
- bevel gear
- fixed seat
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Abstract
The utility model relates to a variable crawler chassis of agricultural machinery, including the crawler travel mechanism that the symmetry set up, set up the fixed bolster between the crawler travel mechanism, the crawler travel mechanism includes the fixing base, the drive wheel of fixed locating fixing base one side, a plurality of bearing wheel of locating the fixing base bottom, locate the first telescopic link of fixing base opposite side, locate the second telescopic link of fixing base opposite side, locate the gear between first telescopic link and the second telescopic link, a power device for driving first telescopic link or second telescopic link, one side end that the drive wheel was kept away from to first telescopic link is equipped with first guide wheel, the second telescopic link is equipped with the second guide wheel on keeping away from the end of drive wheel one side; racks are arranged on the opposite inner side surfaces of the first telescopic rod and the second telescopic rod, and the racks are meshed with the gears; the utility model discloses a changeable track structure can satisfy simultaneously and cross barriers such as bank and avoid sinking into the demand that causes destruction to soil in the soil.
Description
Technical Field
The utility model belongs to the track chassis field, especially variable track chassis field.
Background
The crawler-type chassis has good cross-country performance due to the special travelling mechanism of the crawler-type chassis, and the requirement on a passing road is much lower than that of a wheel-type chassis, so that a plurality of construction vehicles and agricultural machinery adopt the crawler-type chassis; the crawler-type transport vehicle generally has the capabilities of climbing, crossing a bank and crossing a ditch; the conventional crawler-type chassis usually comprises two crawler structures, wherein one crawler structure is an inverted trapezoidal structure with a wide upper part and a narrow lower part, the contact area between the crawler and the ground is small, the pressure on the ground is high, and the trafficability of the crawler can be greatly improved by the inclined crawler surface; the other type of track structure is a trapezoidal structure with a narrow top and a wide bottom, at the moment, the contact area of the track and the ground is large, the pressure of the machine on the ground can be greatly reduced, the machine can run on a flat road surface, but the trafficability of the track is poor, and once the machine runs on a non-paved road surface, an obstacle with the diameter larger than the radius of the bottom belt wheel can sufficiently block the machine from running; when the agricultural machine with the crawler-type chassis works in the field, the agricultural machine usually faces the ditch sills arranged between the fields, and meanwhile, the situation that the agricultural machine is sunk into the field due to too large pressure intensity to damage the soil of the field is avoided.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the present invention provides a method for implementing the above object, comprising:
a variable crawler chassis of agricultural machinery comprises symmetrically arranged crawler travelling mechanisms and a fixed support arranged between the crawler travelling mechanisms, wherein each crawler travelling mechanism comprises a fixed seat, a driving wheel fixedly arranged on one side of the fixed seat, a plurality of bearing wheels arranged at the bottom of the fixed seat, a first telescopic rod arranged on the other side of the fixed seat, a second telescopic rod arranged on the other side of the fixed seat, a gear arranged between the first telescopic rod and the second telescopic rod, and a power device used for driving the first telescopic rod or the second telescopic rod, wherein a first guide wheel is arranged at the end part, away from the driving wheel, of the first telescopic rod, and a second guide wheel is arranged at the end part, away from the driving wheel, of the second telescopic rod; the opposite inner side surfaces of the first telescopic rod and the second telescopic rod are respectively provided with a rack, and the racks are meshed with the gears.
As the utility model discloses a further optimization scheme, the fixing base is hollow structure, so the inside below of fixing base is located to first telescopic link, the inside top of fixing base is located to the second telescopic link.
As the utility model discloses a further optimization scheme, power device adopts the power telescopic link, on the fixed inside wall of locating the fixing base of the one end of power telescopic link, the opposite side is fixed to be located on first telescopic link or the second telescopic link.
As the utility model discloses a further optimization scheme, coaxial fixed first conical gear that is equipped with on a side end of gear, one side of fixing base is equipped with the transfer line, the transfer line is located one side that the fixing base is close to first conical gear, the one end that the transfer line is close to first conical gear is equipped with second conical gear, second conical gear and first conical gear intermeshing.
The beneficial effects of the utility model reside in that:
1) the utility model can realize two functions of the crawler chassis through the variable crawler structure, one is beneficial to crossing barriers such as ditches, and the other can effectively avoid sinking into the soil and damaging the soil;
2) the utility model discloses two kinds of track structures's regulation is very convenient, and is reliable, is favorable to agricultural machine's use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in front elevation;
FIG. 3 is a schematic cross-sectional view of the fixing base of the present invention;
FIG. 4 is a schematic structural view of a power plant of embodiment 2 of the present invention;
FIG. 5 is a schematic view of the working state of the middle ground of the present invention 1;
fig. 6 is a schematic view of the state of the present invention when passing through the sill of the trench;
in the figure: 1. a crawler travel mechanism; 11. a fixed seat; 12. a drive wheel; 13. a load-bearing wheel; 14. a first telescopic rod; 15. a second telescopic rod; 16. a gear; 2. fixing a bracket; 3. a first guide wheel; 4. A second guide wheel; 5. a rack; 6. a power telescopic rod; 7. a first bevel gear; 8. a transmission rod; 9. A second bevel gear.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1 to 6, a variable type crawler chassis of agricultural machinery comprises symmetrically arranged crawler traveling mechanisms 1, a fixed bracket 2 arranged between the crawler traveling mechanisms,
the crawler belt walking mechanism 1 comprises a fixed seat 11, a driving wheel 12 fixedly arranged on one side of the fixed seat 11, a plurality of bearing wheels 13 arranged at the bottom of the fixed seat 11, a first telescopic rod 14 arranged on the other side of the fixed seat 11, a second telescopic rod 15 arranged on the other side of the fixed seat, a gear 16 arranged between the first telescopic rod 14 and the second telescopic rod 15, and a power device used for driving the first telescopic rod 14;
a first guide wheel 3 is arranged at the end part of one side of the first telescopic rod 14 far away from the driving wheel 12, and a second guide wheel 4 is arranged at the end part of one side of the second telescopic rod 15 far away from the driving wheel 12; racks 5 are arranged on the opposite inner side surfaces of the first telescopic rod 14 and the second telescopic rod 15, and the racks 5 are meshed with the gear 16 during assembly;
further, the fixing seat is of a hollow structure, the first telescopic rod 14 is arranged below the inside of the fixing seat 11, and the second telescopic rod 15 is arranged above the inside of the fixing seat 11; the structure of the telescopic rod is placed in the relatively closed structure of the fixed seat, so that the influence of sundries such as soil on the meshing of the gear rack structure is avoided, and the reliability of the crawler chassis is improved;
in this embodiment, the power device includes the power telescopic rod 6, that is, a pneumatic telescopic rod can be adopted, when in use, one end of the power telescopic rod 6 is fixed on the inner side wall inside the fixed seat 11, and the other end is fixed on the first telescopic rod 14 or the second telescopic rod 15;
when the agricultural machine using the variable crawler chassis advances on a flat ground, at the moment, the first telescopic rod 14 extends forwards under the power telescopic rod 6, the gear 16 is driven to rotate while the first telescopic rod 14 moves forwards, and the second telescopic rod 15 is driven to move reversely through the gear, namely the second telescopic rod 15 moves towards the direction close to the driving wheel; finally, the whole crawler belt forms a structure with a wide lower part and a narrow upper part; the contact area between the crawler belt and the land is increased, the agricultural machine can move in the soil of the land conveniently, and the situation that the agricultural machine sinks into the soil during working is greatly reduced;
when the agricultural machine using the variable crawler chassis crosses the raised ditches among fields, at the moment, the ditches among the fields are high, and the track structure is difficult to pass through the ditches, so the first telescopic rod 14 can be retracted through the power telescopic rod 6, the first telescopic rod 14 moves towards the direction close to the driving wheel 12, and the second telescopic rod 15 moves towards the direction far away from the driving wheel under the driving action of the gear 16, so that the crawler is changed into a structure with a wide upper part and a narrow lower part;
the utility model can realize two functions of the crawler chassis through the variable crawler structure, one is beneficial to crossing barriers such as ditches, and the other can effectively avoid sinking into the soil and damaging the soil; the two structures are very convenient and reliable to adjust, and are beneficial to the use of agricultural machinery.
Example 2
Further, the power device of the above embodiment adopts the structure of the transmission rod 8 to transmit the power to the gear, that is, the first bevel gear 7 is coaxially and fixedly arranged on one side end of the gear 16, meanwhile, the transmission rod 8 is arranged on one side of the fixed seat close to the first bevel gear 7, then the second bevel gear 9 is arranged on one end of the transmission rod 8 close to the first bevel gear 7, and the second bevel gear 9 is meshed with the first bevel gear 7;
when the crawler chassis is used, a rotating device such as a motor is connected to the other end of the transmission rod 8, the rotating device drives the transmission rod to rotate, then the second bevel gear 9 on the end portion of the transmission rod 8 drives the first bevel gear 7 to rotate, and the first bevel gear and the gear rotate coaxially, so that the gear can drive the first telescopic rod 14 and the second telescopic rod 15 which are meshed with the gear to move towards two sides respectively, and two states of the crawler chassis are achieved.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. A variable crawler chassis of agricultural machinery is characterized in that: comprises symmetrically arranged crawler belt walking mechanisms (1) and fixed brackets (2) arranged between the crawler belt walking mechanisms, the crawler belt walking mechanism (1) comprises a fixed seat (11), a driving wheel (12) fixedly arranged on one side of the fixed seat (11), a plurality of bearing wheels (13) arranged at the bottom of the fixed seat (11), a first telescopic rod (14) arranged on the other side of the fixed seat (11), a second telescopic rod (15) arranged on the other side of the fixed seat, a gear (16) arranged between the first telescopic rod (14) and the second telescopic rod (15), and a power device used for driving the first telescopic rod (14) or the second telescopic rod (15), a first guide wheel (3) is arranged at the end part of one side of the first telescopic rod (14) far away from the driving wheel (12), a second guide wheel (4) is arranged at the end part of one side, far away from the driving wheel (12), of the second telescopic rod (15); the opposite inner side surfaces of the first telescopic rod (14) and the second telescopic rod (15) are respectively provided with a rack (5), and the racks (5) are meshed with the gears (16).
2. An agricultural machine variable track undercarriage according to claim 1, wherein: the fixing seat (11) is of a hollow structure, so that the first telescopic rod (14) is arranged below the inside of the fixing seat (11), and the second telescopic rod (15) is arranged above the inside of the fixing seat (11).
3. An agricultural machine variable track undercarriage according to claim 2, wherein: the power device comprises a power telescopic rod (6), one end of the power telescopic rod (6) is fixedly arranged on the inner side wall inside the fixing seat (11), and the other end of the power telescopic rod is fixedly arranged on the first telescopic rod (14) or the second telescopic rod (15).
4. An agricultural machine variable track undercarriage according to any one of claims 1 or 2, wherein: the power device comprises a transmission rod (8), wherein the transmission rod (8) is arranged on one side end of the gear (16) and is coaxially and fixedly provided with a first bevel gear (7), one side of the fixed seat close to the first bevel gear (7) is arranged on the transmission rod (8), a second bevel gear (9) is arranged at one end of the transmission rod (8) close to the first bevel gear (7), and the second bevel gear (9) is meshed with the first bevel gear (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282269.7U CN212738337U (en) | 2020-10-14 | 2020-10-14 | Variable crawler chassis of agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282269.7U CN212738337U (en) | 2020-10-14 | 2020-10-14 | Variable crawler chassis of agricultural machine |
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| Publication Number | Publication Date |
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| CN212738337U true CN212738337U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022282269.7U Active CN212738337U (en) | 2020-10-14 | 2020-10-14 | Variable crawler chassis of agricultural machine |
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| CN (1) | CN212738337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061257A (en) * | 2020-10-14 | 2020-12-11 | 安徽铸星机械制造有限公司 | Variable crawler chassis of agricultural machine |
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2020
- 2020-10-14 CN CN202022282269.7U patent/CN212738337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061257A (en) * | 2020-10-14 | 2020-12-11 | 安徽铸星机械制造有限公司 | Variable crawler chassis of agricultural machine |
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