CN213655694U - Novel wheel tooth locking type parking device of wheeled tractor - Google Patents
Novel wheel tooth locking type parking device of wheeled tractor Download PDFInfo
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- CN213655694U CN213655694U CN202022554647.2U CN202022554647U CN213655694U CN 213655694 U CN213655694 U CN 213655694U CN 202022554647 U CN202022554647 U CN 202022554647U CN 213655694 U CN213655694 U CN 213655694U
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Abstract
The utility model discloses a novel wheel tooth locking type parking device of a wheeled tractor, which comprises a long rotating gear arranged in a gear box body of the wheeled tractor, and also comprises a cam, a cam shaft, wheel teeth, a return spring, a guide rod, a wheel tooth slide seat and a fixed support seat, wherein the wheel tooth slide seat is provided with a chute, one end of the cam shaft is arranged in the gear box body, one end of the cam shaft is provided with the cam, the cam shaft and a rear axle box body of the wheeled tractor form a rotating connection, the other end of the cam shaft is arranged at the outer side of the rear axle box body, the other end of the cam shaft is provided with an operating handle, the fixed support seat is provided with a guide hole, the wheel teeth are arranged at the other end of the guide rod, the wheel teeth are arranged in the chute of the wheel tooth slide seat, two ends of the return spring are respectively abutted between the wheel teeth and the fixed support, when the lead of the cam reaches the maximum, the gear teeth are completely engaged with the long-rotation gear.
Description
Technical Field
The utility model relates to a novel teeth of a cogwheel locking formula parking device of wheeled tractor.
Background
The existing parking device for the wheeled tractor generally adopts the following four structural modes, namely a friction plate type arranged on a transmission shaft at one locking center, a friction plate type arranged on a transmission driving shaft at the tail end of a second locking end, a hub type of a third locking end and a parking integrated type of a fourth braking end. The three structural modes are all structural modes which are frequently adopted by people, and due to the arrangement of the parking device and the operating system thereof, the axial distance of the whole vehicle is increased, the turning radius is increased, and the control comfort of the whole vehicle is reduced. Because a nest mortar of a conventional design idea cannot be jumped out, the tractor wheelbases of a plurality of manufacturers on the market are large, the arrangement of a parking control system is complex, and the appearance arrangement of the whole vehicle is in disorder. The fourth parking mode can simply arrange the parking device, but because the manufacturing precision is high, the control system is complex, the parking device is a whole set of imported foreign parts at present, the cost is too high, and the domestic popularization difficulty is very large. Under the background, the parking device with simple structure, low production cost and good parking reliability is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel teeth of a cogwheel locking formula parking device of wheeled tractor is provided, this novel teeth of a cogwheel locking formula parking device of wheeled tractor not only simple structure, low in production cost, good reliability moreover.
In order to solve the technical problem, the utility model relates to a novel wheel tooth locking type parking device of a wheeled tractor, which comprises a long rotating gear arranged in a speed changing box body of the wheeled tractor, and also comprises a cam, a cam shaft, wheel teeth, a return spring, a guide rod, a wheel tooth slide seat and a fixed support seat, wherein the wheel tooth slide seat is provided with a chute, one end of the cam shaft is arranged in the speed changing box body, one end of the cam shaft is provided with the cam, the cam shaft and a rear axle box body of the wheeled tractor form a rotating connection, the other end of the cam shaft is arranged at the outer side of the rear axle box body, the other end of the cam shaft is provided with an operating handle, the fixed support seat is arranged in the speed changing box body, the fixed support seat is provided with a guide hole, one end of the guide rod is penetrated in the guide hole of the fixed support seat, two ends of the return spring are respectively abutted between the gear teeth and the fixed supporting seat, and the gear tooth sliding seat is arranged in the speed changing box body; when the operating handle is rotated, the cam rotates along with the gear teeth and pushes the gear teeth, the gear teeth move in the sliding grooves in the gear teeth sliding seat and press the return springs, and when the lead of the cam reaches the maximum, the gear teeth are completely meshed with the long-rotating gear.
The teeth of a cogwheel include monodentate and slider, and the monodentate setting is in one side of slider, the slider is located in the spout on the teeth of a cogwheel slide.
The module of the single tooth of the gear teeth is the same as that of the long-rotating gear.
The slider is the cuboid structure, spout on the teeth of a cogwheel slide with cuboid structure slider matches.
The fixed supporting seat is of a circular ring plate structure, and the central circular hole is a guide hole.
After the tractor accomplishes the operation and parks, when using the novel teeth of a cogwheel locking formula parking device of above-mentioned wheeled tractor, twist grip, camshaft and cam follow the rotation, and the cam promotes the teeth of a cogwheel, and the teeth of a cogwheel removes and extrudees return spring in the spout on the teeth of a cogwheel slide, and when the helical pitch of cam reached the biggest, the teeth of a cogwheel meshed with long commentaries on classics gear complete, because of the teeth of a cogwheel spacing in the spout, at this moment wheeled tractor's whole variable speed was fixed locking to realize the complete machine. When the wheel type tractor needs to be started, the handle is rotated reversely, the cam returns along with the handle, the gear teeth return to the original position under the action of the return spring, the gear teeth are completely separated from the long rotating gear, and the parking state of the whole tractor is relieved. It can be seen from the above that the device only uses a cam, a cam shaft, gear teeth, a return spring, a guide rod, a gear tooth slide seat, a fixed support seat and other simple parts, so that the device has simple structure and low production cost. Meanwhile, the gear teeth are completely meshed with and completely separated from the long-rotating gear under the operation of the handle and the action of the return spring, so that the reliability is good.
Drawings
FIG. 1 is a schematic structural diagram of a novel gear tooth locking type parking device of a wheeled tractor;
fig. 2 is a schematic bottom view of fig. 1:
fig. 3 is a schematic diagram of the right-side structure of fig. 1.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a novel teeth of a cogwheel locking formula parking device of wheeled tractor, including setting up long rotatory gear 4 in wheeled tractor gearbox, still contain cam 2, camshaft 1, teeth of a cogwheel 3, return spring 7, guide bar 6, teeth of a cogwheel slide 8 and fixed support seat 5. The teeth of a cogwheel slide 8 is equipped with the spout, and the one end of camshaft 1 is located the gearbox is internal, and one of camshaft 1 is served and is equipped with cam 2, and camshaft 1 constitutes to rotate with wheeled tractor rear axle box and is connected, and the other end of camshaft 1 is located the outside of rear axle box, the other end of camshaft 1 is equipped with operating handle 9. The fixed support seat 5 is arranged in the speed changing box body, and the fixed support seat 5 is provided with a guide hole. One end of the guide rod 6 is inserted into the guide hole of the fixed support seat 5. The return spring 7 is sleeved on the guide rod 6. The gear teeth 3 are arranged at the other end of the guide rod 6, the gear teeth 3 are positioned in a sliding groove of the gear teeth sliding seat 8, and two ends of the return spring 7 are respectively abutted between the gear teeth 3 and the fixed supporting seat 5. The gear tooth slide seat 8 is arranged in the gearbox body. When the operating handle 9 is turned, the cam 2 rotates and pushes the gear teeth 3, the gear teeth 2 move in the sliding grooves of the gear teeth sliding seat 8 and press the return spring 7, and when the lead of the cam 2 reaches the maximum, the gear teeth 3 are completely meshed with the long-rotating gear 4.
For simplifying the structure, the gear teeth 3 comprise single teeth and sliding blocks, the single teeth are arranged on one side of the sliding blocks, and the sliding blocks are located in sliding grooves in the gear teeth sliding seats 8.
In order to further improve the contact reliability, the modulus of the single tooth of the gear tooth 3 is the same as that of the long-rotating gear 4.
For further to simplifying the structure, the slider is the cuboid structure, the spout on the teeth of a cogwheel slide 8 with cuboid structure slider matches.
In order to simplify the structure, the fixed support seat 5 is in a circular ring plate structure, and a central circular hole is a guide hole.
After the tractor accomplishes the operation and parks, when using the novel teeth of a cogwheel locking formula parking device of above-mentioned wheeled tractor, rotate operating handle 9, camshaft 1 and cam 2 follow the rotation, cam 2 promotes the teeth of a cogwheel 3, the teeth of a cogwheel 3 removes and extrudees return spring 7 in the spout on the teeth of a cogwheel slide 8, when the helical pitch of cam 2 reaches the biggest, the teeth of a cogwheel 3 meshes with long commentaries on classics gear 4 completely, because of the teeth of a cogwheel 3 is spacing in the spout, at this moment, the locking is fixed to wheeled tractor's whole variable speed system, thereby realize the. When the wheel type tractor needs to be started, the operating handle 9 is rotated reversely, the cam 2 returns along with the operating handle, the gear teeth 3 return to the original position under the action of the return spring 7, the gear teeth 3 are completely separated from the long rotating gear 4, and the parking state of the whole tractor is released. From the above, it can be seen that the device only uses a few simple parts, such as the cam 2, the camshaft 1, the gear teeth 3, the return spring 7, the guide rod 6, the gear teeth slide 8 and the fixed support seat 5, and therefore, the device has a simple structure and low production cost. Meanwhile, the gear teeth 3 are completely meshed with and separated from the long-rotating gear 4 under the operation of the handle 9 and the action of the return spring 7, so that the reliability is good.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A novel wheel tooth locking type parking device of a wheeled tractor comprises a long rotating gear arranged in a gear box body of the wheeled tractor, and is characterized by further comprising a cam, a cam shaft, wheel teeth, a return spring, a guide rod, a wheel tooth sliding seat and a fixed supporting seat, wherein the wheel tooth sliding seat is provided with a sliding groove, one end of the cam shaft is positioned in the gear box body, one end of the cam shaft is provided with the cam, the cam shaft and a rear axle box body of the wheeled tractor are rotationally connected, the other end of the cam shaft is positioned on the outer side of the rear axle box body, the other end of the cam shaft is provided with an operating handle, the fixed supporting seat is arranged in the gear box body, the fixed supporting seat is provided with a guide hole, one end of the guide rod is arranged in the guide hole of the fixed supporting seat in a penetrating manner, the return spring is sleeved, two ends of the return spring are respectively abutted between the gear teeth and the fixed supporting seat, and the gear tooth sliding seat is arranged in the speed changing box body; when the operating handle is rotated, the cam rotates along with the gear teeth and pushes the gear teeth, the gear teeth move in the sliding grooves in the gear teeth sliding seat and press the return springs, and when the lead of the cam reaches the maximum, the gear teeth are completely meshed with the long-rotating gear.
2. The novel gear tooth locking type parking device for the wheeled tractor as claimed in claim 1, wherein the gear tooth comprises a single tooth and a sliding block, the single tooth is arranged on one side of the sliding block, and the sliding block is located in a sliding groove in the gear tooth sliding seat.
3. The novel gear tooth locking type parking device for the wheeled tractor as claimed in claim 2, wherein the module of a single tooth of the gear tooth is the same as that of the long-rotating gear.
4. The novel gear tooth locking type parking device for the wheeled tractor as claimed in claim 2, wherein the sliding block is of a cuboid structure, and a sliding groove in the gear tooth sliding seat is matched with the sliding block of the cuboid structure.
5. The novel gear tooth locking type parking device for the wheeled tractor as claimed in claim 1, wherein the fixed support seat is of a circular ring plate structure, and the central circular hole is a guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022554647.2U CN213655694U (en) | 2020-11-08 | 2020-11-08 | Novel wheel tooth locking type parking device of wheeled tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022554647.2U CN213655694U (en) | 2020-11-08 | 2020-11-08 | Novel wheel tooth locking type parking device of wheeled tractor |
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| Publication Number | Publication Date |
|---|---|
| CN213655694U true CN213655694U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022554647.2U Active CN213655694U (en) | 2020-11-08 | 2020-11-08 | Novel wheel tooth locking type parking device of wheeled tractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964727A (en) * | 2021-11-18 | 2022-01-21 | 国网辽宁省电力有限公司检修分公司 | Maintenance tool for replacing overhead optical cable of power transmission line |
-
2020
- 2020-11-08 CN CN202022554647.2U patent/CN213655694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964727A (en) * | 2021-11-18 | 2022-01-21 | 国网辽宁省电力有限公司检修分公司 | Maintenance tool for replacing overhead optical cable of power transmission line |
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