CN210338099U - Crawler-type traction mechanism - Google Patents
Crawler-type traction mechanism Download PDFInfo
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- CN210338099U CN210338099U CN201921224328.6U CN201921224328U CN210338099U CN 210338099 U CN210338099 U CN 210338099U CN 201921224328 U CN201921224328 U CN 201921224328U CN 210338099 U CN210338099 U CN 210338099U
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Abstract
The utility model provides a crawler-type traction mechanism, which is provided with an active wheel arranged at one end and a driven wheel at the other end by the linkage of an annular crawler, wherein the active wheel is driven by an external driving mechanism to rotate a rotating shaft of the active wheel; a swinging shaft is arranged at the coaxial position of the rotating shaft of the driving wheel, and the swinging shaft is driven and controlled by an external additional signal or power and is connected with the swinging shaft through a transmission device; the swing shaft is fixedly connected with a support frame, the other end of the support frame is fixedly provided with a driven wheel, and the driven wheel can rotate on the support frame and swing up and down along with the swing of the support frame; and tension wheels are arranged on the upper side and the lower side of the connecting line of the driving wheel and the driven wheel of the support frame, or at least on the lower side. The utility model provides a crawler-type drive mechanism mobility is stronger, has certain climbing ability simultaneously, can come to pull agricultural machine at various complicated ground environment.
Description
Technical Field
The utility model relates to the field of machinary, concretely relates to crawler-type drive mechanism.
Background
The agricultural vehicle used in China at present has single function and low intelligent degree, mainly adopts a manual sprayer and a small-sized mechanical (electric) sprayer, wherein the manual pesticide applying mechanical and the backpack mechanical pesticide respectively account for 93.07 percent and 5.53 percent of the preserved amount of the domestic plant protection machine, the tractor suspension type plant protection machine accounts for about 0.57 percent, and the mechanization rate is lower. The plant protection operation has the disadvantages of much labor input and high labor intensity, and poisoning accidents occur frequently for pesticide application personnel. Meanwhile, the existing plant protection machines are few and are suitable for the design of running in hilly and mountainous areas or pothole pavements, and the stable operation of the operation machine cannot be ensured.
The existing agricultural vehicle driving mode generally adopts fuel oil or electric power to drive wheels of a vehicle head to rotate, and the vehicle head drives the agricultural vehicle to move forward. However, the wheel drive method has certain disadvantages: the main disadvantages are that the climbing ability is poor, the vehicle is difficult to advance in hilly and mountainous areas or pothole roads, the volume and weight of the vehicle body are increased if large wheels are used, and the flexibility is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crawler-type traction mechanism, which is provided with an active wheel arranged at one end and a driven wheel at the other end by the linkage of an annular crawler, wherein the active wheel is driven by an external driving mechanism to rotate a rotating shaft of the active wheel;
a swinging shaft is arranged at the coaxial position of the rotating shaft of the driving wheel, and the swinging shaft is driven and controlled by an external additional signal or power and is connected with the swinging shaft through a transmission device;
the swing shaft is fixedly connected with a support frame, the other end of the support frame is fixedly provided with a driven wheel, and the driven wheel can rotate on the support frame and swing up and down along with the swing of the support frame;
and tension wheels are arranged on the upper side and the lower side of the connecting line of the driving wheel and the driven wheel of the support frame, or at least on the lower side.
Further, the driving wheel is provided with a belt wheel, and the belt wheel is linked with an external driving mechanism through a belt.
Further, the transmission device is a worm gear reducer.
Furthermore, the support frame is connected with the swinging shaft through a swinging arm.
Furthermore, a tension wheel is arranged on the upper side of the connecting line of the driving wheel and the driven wheel of the support frame, and two tension wheels are arranged on the lower side of the connecting line of the driving wheel and the driven wheel of the support frame.
Furthermore, the driven wheel is mounted at one end of the support frame in a suspending mode through a connecting plate.
Further, the tensioning wheel is installed on the supporting frame through a telescopic mechanism.
Further, the telescopic mechanism is a spring or a hydraulic cylinder.
The utility model provides a crawler-type traction mechanism for agricultural machinery traction, adopts the crawler-type to carry out traction, and the overall traction width of the wheel is smaller compared with that of the traction, and meanwhile, a certain power output can be ensured, thus being suitable for various complex ground environments and having stronger maneuverability; simultaneously, the front end of the crawler-type traction mechanism can be lifted to facilitate climbing and obstacle crossing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a side view of a crawler type traction mechanism provided by the present invention;
fig. 2 is a schematic view of an agricultural machine equipped with a crawler type traction mechanism according to an embodiment of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description so as to explain the technical solution of the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.
As shown in fig. 1-2, the utility model provides a crawler-type traction mechanism, the crawler-type traction mechanism 100 is provided with a driving wheel 1 arranged at one end and a driven wheel 2 at the other end in linkage by an annular crawler 3, the driving wheel 1 is driven by an external driving mechanism to rotate a rotating shaft of the driving wheel;
a swinging shaft is arranged at the coaxial position of the rotating shaft of the driving wheel 1, and the swinging of the swinging shaft connected with the driving wheel 1 through a transmission device 10 is driven and controlled by other external signals or power;
the swing shaft is fixedly connected with a support frame 5, the other end of the support frame 5 is fixedly provided with a driven wheel 2, and the driven wheel 2 can rotate on the support frame 5 and swing up and down along with the swing of the support frame 5;
and tension wheels are arranged on the upper and lower sides of the connecting line of the driving wheel 1 and the driven wheel 2 of the support frame 5, or at least on the lower side.
In an alternative embodiment, the support frame 5 is connected to the swing shaft by a swing arm 9. The transmission device 10 drives the swing shaft to swing, and the swing shaft drives the swing arm 9 to swing so as to realize the up-and-down swing of the support frame 5. Optionally, the other end of the swing arm 9 is fixed on the support frame 5 between the upper and lower rows of tension wheels.
In an alternative embodiment, the transmission 10 is a worm gear reducer. The utility model discloses in, because transmission 10 is responsible for the holistic lifting of crawler-type drive mechanism 100, consequently provided certain requirement to its moment of torsion, the utility model discloses a worm gear reduction gear utilizes the speed converter of gear, slows down the gyration number of motor (motor) to the gyration number of wanting to obtain great torque and drive the swing of swing arm 9.
In an alternative embodiment, the primary pulley 1 is provided with a pulley 11, the pulley 11 being linked to an external drive mechanism by a belt 12. The external drive mechanism may be connected to a drive system mounted on the frame, for example, an internal combustion engine or a drive motor of an agricultural machine.
In an alternative embodiment, a tension wheel 4 is arranged on the upper side of the connecting line of the driving wheel 1 and the driven wheel 2 of the support frame 5, and two tension wheels are arranged on the lower side of the connecting line of the driving wheel 1 and the driven wheel 2 of the support frame 5. The quantity of side take-up pulley and downside take-up pulley is not limited, can set up by oneself according to the demand, can guarantee with 3 tensionings of annular track can. In an alternative embodiment the upper row of tensioners is provided with one tensioner 4 and the lower row of tensioners is provided with two tensioners 7, 8.
In an alternative embodiment, the driven wheel 2 is suspended at one end (front end) of the support frame 5 through a connecting plate 6, so that the driven wheel 2 has a certain ground clearance, and therefore the front side of the endless track 3 has a certain included angle α with the ground when traveling, which also improves the climbing capability of the track-type traction mechanism 100.
In one embodiment, the tension wheel is rigidly fixed to the support frame 5 by screws. In addition, as shown in fig. 1, the 3 tensioners can also relatively slide to adjust the track, and after the sliding, the tensioners are fastened on the support frame 5 through screws.
In another embodiment, the tensioning wheel may be mounted on the support frame 5 by a telescopic mechanism. Preferably, the telescopic mechanism is a spring or a hydraulic cylinder. In addition, the tension wheel has the advantages of being provided with a telescopic mechanism: when the front end of the crawler-type traction mechanism is lifted, the crawler belt at the lower end has a certain ground clearance, the crawler belt below the rear surface possibly causes insufficient ground grabbing force, and under the condition, the tensioning wheel is installed on the support frame 5 through the telescopic mechanism, so that the ground grabbing force of the crawler belt after the whole mechanism is lifted can be improved. It should be noted that the movable stroke of the telescopic mechanism is not too large, otherwise the climbing capability of the crawler-type traction mechanism is reduced.
As shown in fig. 1-2, the working principle of the present invention is as follows:
(1) an output pulley 13 of an external drive mechanism (e.g., an internal combustion engine) 200 rotates a pulley 11 on the primary pulley 1 via a belt 12, thereby driving the primary pulley 1 to rotate. The driving wheel drives the track to rotate, so that the track type traction mechanism 100 advances, and the track type traction mechanism 100 drives the vehicle body behind to advance.
(2) When climbing a slope, the transmission device 10 is controlled to operate, and the transmission device 10 drives the other end of the swing arm 9 to swing upwards so as to lift the front end of the crawler-type traction mechanism 100, so that the ground clearance of the front end of the crawler-type traction mechanism 100 is improved, and the crawler-type traction mechanism can more conveniently climb over a steep slope and pass over an obstacle.
The utility model provides a crawler-type traction mechanism for agricultural machinery traction, adopts the crawler-type to carry out traction, and the overall traction width of the wheel is smaller compared with that of the traction, and meanwhile, a certain power output can be ensured, thus being suitable for various complex ground environments and having stronger maneuverability; simultaneously, the front end of the crawler-type traction mechanism can also be lifted, so that climbing and obstacle crossing are facilitated.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (8)
1. A crawler-type traction mechanism is characterized in that:
the crawler-type traction mechanism (100) is provided with a driving wheel (1) and a driven wheel (2), wherein the driving wheel (1) is arranged at one end of the crawler-type traction mechanism in a linkage mode through an annular crawler (3), and the driven wheel (2) is arranged at the other end of the crawler-type traction mechanism;
a swinging shaft is arranged at the coaxial position of the rotating shaft of the driving wheel (1), and the swinging of the swinging shaft connected with a transmission device (10) is driven and controlled by other external signals or power;
the swing shaft is fixedly connected with a support frame (5), the other end of the support frame (5) is fixedly provided with a driven wheel (2), and the driven wheel (2) can rotate on the support frame (5) and swing up and down along with the swing of the support frame (5);
and tension wheels are arranged on the upper side and the lower side of the connecting line of the driving wheel (1) and the driven wheel (2) of the supporting frame (5), or at least on the lower side.
2. The crawler-type traction mechanism according to claim 1, characterized in that the driving wheel (1) is provided with a pulley (11), said pulley (11) being linked with an external drive mechanism by means of a belt (12).
3. The crawler-type traction mechanism according to claim 1, wherein said transmission means (10) is a worm gear reducer.
4. The crawler-type traction mechanism according to claim 1, wherein said supporting frame (5) is connected to said oscillating axle by means of an oscillating arm (9).
5. The crawler-type traction mechanism according to claim 1, wherein one tension pulley (4) is provided on the upper side of the connecting line of the driving pulley (1) and the driven pulley (2) of the support frame (5), and two tension pulleys are provided on the lower side of the connecting line of the driving pulley (1) and the driven pulley (2) of the support frame (5).
6. The crawler-type traction mechanism according to claim 1, wherein the driven wheel (2) is mounted suspended at one end of the support frame (5) by means of a connecting plate (6).
7. The crawler-type traction mechanism according to claim 1, wherein said tension pulley is mounted on said supporting frame (5) by means of a telescopic mechanism.
8. The track-type traction mechanism of claim 7, wherein the telescoping mechanism is a spring or a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224328.6U CN210338099U (en) | 2019-07-31 | 2019-07-31 | Crawler-type traction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224328.6U CN210338099U (en) | 2019-07-31 | 2019-07-31 | Crawler-type traction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210338099U true CN210338099U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921224328.6U Active CN210338099U (en) | 2019-07-31 | 2019-07-31 | Crawler-type traction mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN210338099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371204A (en) * | 2019-07-31 | 2019-10-25 | 北京履坦科技有限公司 | A kind of caterpillar tractor structure |
-
2019
- 2019-07-31 CN CN201921224328.6U patent/CN210338099U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371204A (en) * | 2019-07-31 | 2019-10-25 | 北京履坦科技有限公司 | A kind of caterpillar tractor structure |
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