Rear wheel separating device of self-propelled air-assisted pesticide spraying vehicle

Abstract

The utility model discloses a rear wheel separation device of a self-propelled air-assisted pesticide spraying vehicle, belongs to the technical field of rear axle and main shaft separation, and aims to solve the problems that wheels of a pesticide spraying machine are driven to rotate quickly when the vehicle is dragged, so that a large load is caused to a rear axle, and the rear axle and a gearbox in the rear axle are very easy to damage for a long time. Comprising a rear axle and a hub, a tire flange is fixedly connected to the interior of the hub, the tire flange is connected with the rear axle through a bearing, a limiting structure is detachably connected to the end, on the outer side of the hub, of the tire flange, and the portion, between the limiting structure and the tire flange, of the exterior of the rear axle is sleeved with a separation core. By adjusting the position of the separation block, the tire flange and the rear axle are not connected, so that wheels and the rear axle do not rotate synchronously, the situation that the rear axle rotates at a high speed during trailer is avoided, and the rear axle is protected.

Description

Technical Field

[0001] A rear wheel separation device for a self-propelled pneumatic spraying vehicle. This utility model belongs to the field of rear axle main shaft separation technology, specifically relating to the field of rear axle main shaft separation technology used in agricultural machinery. Background Technology

[0002] With the implementation of national policies to improve agricultural mechanization and accelerate rural infrastructure development, my country's agricultural machinery industry has developed significantly, forming numerous sub-sectors such as internal combustion engines, tractors, transportation machinery, harvesting machinery, livestock machinery, and tractor parts, creating a complete industrial system. For example, sprayers are a common type of agricultural machinery. Most of these machines travel at relatively slow speeds, and when transporting them to the field, they often need to be towed by other equipment. However, during towing, the high speed of the trailer causes the sprayer's wheels to rotate rapidly, placing a significant load on the rear axle. Over time, this can easily damage the rear axle and the internal gearbox. To address this issue, we propose a rear wheel separation device for a self-propelled, pneumatically driven sprayer. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a rear wheel separation device for a self-propelled pneumatic spraying vehicle. This solves the problem that when the vehicle is being towed, the wheels of the sprayer will rotate rapidly, which will put a large load on the rear axle. Over time, the rear axle and the internal gearbox will be easily damaged.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A rear wheel separation device for a self-propelled pneumatic spraying vehicle includes a rear axle and a wheel hub. A tire flange is fixedly connected inside the wheel hub. The tire flange is connected to the rear axle via a bearing. A limiting structure is detachably connected to the end of the tire flange on the outer side of the wheel hub. A separation core is sleeved on the outside of the rear axle between the limiting structure and the tire flange. The separation core is connected to the rear axle via a connecting pin. A separation block is provided between the separation core and the limiting structure to adjust the linkage between the rear axle and the tire flange.

[0006] As a preferred technical solution of this utility model, both the wheel hub and the tire flange are provided with a connection hole, and a fixing bolt is connected to the internal thread of the connection hole. An external groove is provided on the side of the tire flange outside the wheel hub.

[0007] As a preferred technical solution of this utility model, the separating core includes a sleeve installed between the rear axle and the tire flange. The end of the sleeve is located outside the tire flange. An inner groove is formed on the side of the sleeve at the position corresponding to the outer groove. Pin grooves are formed on both the rear axle and the sleeve. A limiting groove is formed on the side of the sleeve outside the tire flange. The limiting groove and the inner groove are set separately.

[0008] As a preferred technical solution of this utility model, the separating block includes a main sleeve sleeved on the sleeve outside the tire flange, a locking block installed at the position of the main sleeve corresponding to the outer locking groove, a protruding plate installed on the inner wall of the locking block corresponding to the limiting groove, and a protruding ring installed at the outer top of the main sleeve.

[0009] As a preferred technical solution of this utility model, the limiting structure includes a pressure plate, and a second connecting hole is provided at the axial position of the pressure plate and the rear axle. A connecting column is threaded into the second connecting hole, and an installation groove is provided in the main sleeve outside the connecting column. A spring is installed between the bottom end of the installation groove and the pressure plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: When autonomous operation is required, the position of the separating block is adjusted to connect the tire flange and the rear axle, so that the rotation of the rear axle can drive the wheel hub to rotate, thereby enabling autonomous walking. When towing is required, the position of the separating block is adjusted to disconnect the tire flange and the rear axle, so that the wheels and the rear axle do not rotate synchronously, thereby avoiding the situation of high-speed rotation of the rear axle during towing and protecting the rear axle. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0012] Figure 2 This is a schematic diagram of the first cross-sectional structure of the present invention;

[0013] Figure 3 This is a schematic diagram of the second cross-sectional structure of the present invention;

[0014] Figure 4 This is a schematic diagram of the third cross-sectional structure of this utility model;

[0015] 1-Rear axle; 2-Wheel hub; 3-Tire flange; 31-Connecting hole one; 32-Fixing bolt; 33-Outer groove; 4-Separating core; 41-Sleeve; 42-Pin groove; 43-Connecting pin; 44-Inner groove; 45-Limiting groove; 5-Separating block; 53-Protruding ring; 54-Main sleeve; 55-Clamping block; 56-Protruding plate; 57-Mounting groove; 6-Limiting structure; 61-Pressure plate; 62-Connecting hole two; 63-Connecting column; 64-Spring. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-4 This utility model provides a technical solution:

[0018] A rear wheel separation device for a self-propelled pneumatic spraying vehicle includes a rear axle 1 and a wheel hub 2. A tire flange 3 is fixedly connected inside the wheel hub 2. The tire flange 3 is connected to the rear axle 1 via a bearing. A limiting structure 6 is detachably connected to the end of the tire flange 3 on the outer side of the wheel hub 2. A separation core 4 is sleeved on the outside of the rear axle 1 between the limiting structure 6 and the tire flange 3. The separation core 4 is connected to the rear axle 1 via a connecting pin 43. A separation block 5 is provided between the separation core 4 and the limiting structure 6 to adjust the linkage between the rear axle 1 and the tire flange 3. By adjusting the separation block 5, the connection between the rear axle 1 and the tire flange 3 can be adjusted, thereby realizing the independent rotation of the wheel hub 2 or the synchronous rotation of the wheel hub 2 and the rear axle 1.

[0019] Both the wheel hub 2 and the tire flange 3 have a connection hole 31. The internal thread of the connection hole 31 is connected to a fixing bolt 32, thereby connecting the wheel hub 2 and the tire flange 3. An external groove 33 is provided on the side of the tire flange 3 outside the wheel hub 2.

[0020] The separating core 4 includes a sleeve 41 installed between the rear axle 1 and the tire flange 3. The end of the sleeve 41 is located outside the tire flange 3. An inner groove 44 is provided on the side of the sleeve 41 at the position corresponding to the outer groove 33. Pin grooves 42 are provided on both the rear axle 1 and the sleeve 41. A limiting groove 45 is provided on the side of the sleeve 41 outside the tire flange 3. The limiting groove 45 is separated from the inner groove 44. First, the sleeve 41 is put on the rear axle 1, and then it is moved to reach the inside of the tire flange 3. Then the connecting pin 43 is installed.

[0021] The separating block 5 includes a main sleeve 54 fitted onto a sleeve 41 outside the tire flange 3. A locking block 55 is installed on the main sleeve 54 at the position corresponding to the outer locking groove 33. A protruding plate 56 is installed on the inner wall of the locking block 55 corresponding to the limiting groove 45. A protruding ring 53 is installed on the outer side of the top end of the main sleeve 53. By pulling the protruding ring 53 outward and then rotating it, the locking block 55 is moved into the interior of the outer locking groove 33 and the inner locking groove 44, thereby completing the connection between the tire flange 3 and the rear axle 1. At this time, the rear axle 1, wheel hub 2 and tire flange 3 rotate synchronously. Conversely, the outward pulling of the locking block 55 drives the main sleeve 54 to move outward. At this time, the locking block 55 separates from the inside of the outer locking groove 33 and the inner locking groove 44, and then the protruding plate 56 is locked inside the limiting groove 45. At this time, the wheel hub 2 and tire flange 3 rotate, and the rear axle 1 does not rotate under the action of the bearing between the tire flange 3 and the rear axle 1, thus achieving the effect of the wheel hub 2 rotating and the rear axle 1 not rotating, which facilitates the overall transport operation.

[0022] The limiting structure 6 includes a pressure plate 61. Both the pressure plate 61 and the rear axle 1 have connecting holes 62 at their axial positions. A connecting post 63 is threaded into the connecting hole 62. An installation groove 57 is provided in the main sleeve 54 outside the connecting post 63. A spring 64 is installed between the bottom end of the installation groove 57 and the pressure plate 61. The spring 64 exerts pressure on the main sleeve 54 to prevent the main sleeve 54 from sliding outwards accidentally, thereby ensuring the firmness of the main sleeve 54 after the position is adjusted.

[0023] During installation, first install the wheel hub 2 and tire flange 3, then connect the rear axle 1 to the tire flange 3 through the bearing. Install the sleeve 41 between the rear axle 1 and the tire flange 3 outside the wheel hub 2, and then install the connecting pin 43 to achieve the connection between the rear axle 1 and the sleeve 41. Then, put the main sleeve 54 on the outside of the sleeve 41. Finally, first install the spring 64, and then fix it with the pressure plate 61 to complete the installation.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rear wheel separation device for a self-propelled pneumatic spraying vehicle, comprising a rear axle (1) and a wheel hub (2), characterized in that: The wheel hub (2) is fixedly connected to a tire flange (3). The tire flange (3) is connected to the rear axle (1) via a bearing. The end of the tire flange (3) on the outer side of the wheel hub (2) is detachably connected to a limiting structure (6). A separating core (4) is sleeved on the outside of the rear axle (1) between the limiting structure (6) and the tire flange (3). The separating core (4) is connected to the rear axle (1) via a connecting pin (43). A separating block (5) is provided between the separating core (4) and the limiting structure (6) to adjust the linkage between the rear axle (1) and the tire flange (3).

2. The rear wheel separation device of a self-propelled pneumatic spraying vehicle according to claim 1, characterized in that: Both the hub (2) and the tire flange (3) are provided with a connection hole (31), and the connection hole (31) is internally threaded with a fixing bolt (32). An external groove (33) is provided on the side of the tire flange (3) outside the hub (2).

3. The rear wheel separation device of a self-propelled pneumatic spraying vehicle according to claim 1, characterized in that: The separating core (4) includes a sleeve (41) installed between the rear axle (1) and the tire flange (3). The end of the sleeve (41) is located outside the tire flange (3). An inner groove (44) is provided on the side of the sleeve (41) at the position corresponding to the outer groove (33). Pin grooves (42) are provided on both the rear axle (1) and the sleeve (41). A limiting groove (45) is provided on the side of the sleeve (41) outside the tire flange (3). The limiting groove (45) and the inner groove (44) are separated.

4. The rear wheel separation device of a self-propelled pneumatic spraying vehicle according to claim 1, characterized in that: The separating block (5) includes a main sleeve (54) fitted onto a sleeve (41) outside the tire flange (3). A locking block (55) is installed on the main sleeve (54) at the position corresponding to the outer locking groove (33). A protruding plate (56) is installed on the inner wall of the locking block (55) corresponding to the limiting groove (45). A protruding ring (53) is installed on the outer side of the top end of the main sleeve (54).

5. The rear wheel separation device of a self-propelled pneumatic spraying vehicle according to claim 1, characterized in that: The limiting structure (6) includes a pressure plate (61). The pressure plate (61) and the rear axle (1) are both provided with connecting holes (62). The connecting holes (62) are internally threaded with connecting posts (63). The main sleeve (54) outside the connecting posts (63) is provided with an installation groove (57). A spring (64) is installed between the bottom end of the installation groove (57) and the pressure plate (61).

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