Transmission device of work vehicle and work vehicle

Abstract

A transmission device of a work vehicle. The transmission device of a work vehicle specifically comprises: a driving motor (1), two output shafts, a transmission shaft (3), and two adjustment assemblies (4); the output shafts include a first output shaft (21) and a second output shaft (22); the driving motor (1) is fixedly connected to the first output shaft (21), the first output shaft (21) and the second output shaft (22) are respectively located at two ends of the transmission shaft (3), and the adjustment assemblies (4) are located at the positions at which the output shafts are connected to the transmission shaft (3); two ends of the transmission shaft (3) are provided with first bevel gears (31), and the output shafts are provided with second bevel gears (23) meshing with the first bevel gears (31); and each adjustment assembly (4) comprises a bearing base (41), an adjustment plate (42) and a first pressing member (43), the bearing base (41) is slidably connected to the adjustment plate (42), the first pressing member (43) is fixedly connected to the adjustment plate (42), and is sleeved on the transmission shaft (3) and rotatably connected to the transmission shaft (3). The transmission device uses bevel gears to transmit power, and has the advantage of reducing the energy consumption of a motor.

Description

A transmission device for a work vehicle and the work vehicle itself. Technical Field

[0001] This utility model relates to the field of work vehicle technology, and in particular to a transmission device for a work vehicle and a work vehicle. Background Technology

[0002] As a type of sanitation equipment, road sweepers can be widely used for cleaning roads such as trunk highways, municipal roads, airport runways, urban residential areas, and parks.

[0003] The sweepers currently in use have an engine that drives the vehicle forward and an engine that drives the sweeping device. The engine that drives the vehicle forward propels the vehicle forward, and the motor that drives the sweeping device drives the sweeping device to clean the road. The motor that drives the sweeping device drives the sweeping device through a chain. However, because the resistance during chain transmission is too great, the energy consumption of the motor that drives the sweeping device is too high.

[0004] Therefore, a transmission device for a work vehicle is provided to address the shortcomings of existing technologies.

[0005] Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, this utility model provides a transmission device and a work vehicle. The device is designed to solve the problem of high motor energy consumption caused by excessive resistance in chain transmission.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A transmission device for a work vehicle includes: a drive motor, two output shafts, a transmission shaft, and two adjustment components;

[0009] The output shaft includes a first output shaft and a second output shaft;

[0010] The drive motor is fixedly connected to the first output shaft, the first output shaft and the second output shaft are respectively located at both ends of the transmission shaft, and the adjustment component is located at the connection between the output shaft and the transmission shaft;

[0011] The drive shaft is provided with first bevel gears at both ends, and the output shaft is provided with a second bevel gear that meshes with the first bevel gears.

[0012] The adjustment assembly includes a bearing housing, an adjustment plate, and a first clamping member. The bearing housing is slidably connected to the adjustment plate, the first clamping member is fixedly connected to the adjustment plate, and the first clamping member is sleeved on the drive shaft and rotatably connected to the drive shaft.

[0013] As a further improvement to the technical solution of this utility model, the adjustment assembly further includes a connecting screw, the bearing seat is provided with a threaded post, the adjustment plate is provided with an elongated hole, the threaded post is abutted and connected to the adjustment plate, and the connecting screw passes through the elongated hole and is threadedly connected to the threaded post.

[0014] As a further improvement to the technical solution of this utility model, the elongated hole is arc-shaped.

[0015] As a further improvement to the technical solution of this utility model, both the first bevel gear and the second bevel gear are spiral bevel gears with a helix angle of 15°, and the transmission angle of the spiral bevel gear is 90°.

[0016] As a further improvement to the technical solution of this utility model, the adjustment component further includes a second clamping member, which is fixedly connected to the bearing seat, sleeved on the first output shaft, and rotatably connected to the first output shaft.

[0017] As a further improvement to the technical solution of this utility model, both the first clamping member and the second clamping member include a bearing and a clamping member, wherein the clamping member is sleeved on the bearing;

[0018] The clamping component is shaped like a "Z".

[0019] As a further improvement to the technical solution of this utility model, the transmission shaft is a telescopic shaft.

[0020] A work vehicle, with a transmission device suitable for the aforementioned work vehicle, further includes a sweeping device and a work box, wherein both the transmission device and the sweeping device are connected to the work box.

[0021] As a further improvement to the technical solution of this utility model, the drive motor is fixedly connected to the working box, and the bearing seat is fixedly connected to the working box.

[0022] As a further improvement to the technical solution of this utility model, the second output shaft is connected to the cleaning device, and the drive motor drives the cleaning device to work through the first output shaft, the transmission shaft and the second output shaft.

[0023] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0024] In the transmission device of the work vehicle of this utility model, the drive motor drives the sweeping device through the first output shaft, the transmission shaft, and the second output shaft. The transmission shaft has first bevel gears at both ends, and the output shaft has a second bevel gear meshing with the first bevel gears. The bevel gear transmission has high transmission efficiency, effectively transmitting the power output by the drive motor to the sweeping device. The adjustment assembly is located at the connection between the output shaft and the transmission shaft. The adjustment assembly includes a bearing seat, an adjustment plate, and a first clamping member. The bearing seat is slidably connected to the adjustment plate, and the angle of the transmission shaft is adjusted by the adjustment plate. The first clamping member is fixedly connected to the adjustment plate and is sleeved on the transmission shaft, rotatably connected to the transmission shaft, fixing the transmission shaft so that the transmission angle between the first and second bevel gears is 90°. The transmission device of this work vehicle features the characteristic of using bevel gears to transmit power, reducing motor energy consumption. Attached Figure Description

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0026] Figure 1 is a three-dimensional structural diagram of the working vehicle of this utility model;

[0027] Figure 2 is a three-dimensional structural diagram of the working vehicle of this utility model;

[0028] Figure 3 is a front view of the working vehicle of this utility model;

[0029] Figure 4 is an enlarged structural diagram of point A in Figure 3;

[0030] Figure 5 is a left view of the working vehicle of this utility model;

[0031] Figure 6 is an enlarged structural diagram of point B in Figure 4;

[0032] Figure 7 is an enlarged structural diagram of point C in Figure 4;

[0033] Figure 8 is a schematic diagram of the adjustment component in the transmission device of the work vehicle of this utility model;

[0034] Figure 9 is a schematic diagram of the adjustment component in the transmission device of the work vehicle of this utility model.

[0035] In the picture:

[0036] 1. Drive motor;

[0037] 21. First output shaft; 22. Second output shaft; 23. Second bevel gear;

[0038] 3. Drive shaft; 31. First bevel gear;

[0039] 4. Adjustment assembly; 41. Bearing housing; 42. Adjustment plate; 43. First clamping component; 44. Connecting screw; 45. Threaded post; 46. Elongated hole; 47. Second clamping component; 48. Bearing; 49. Clamping component;

[0040] 5. Operating box. Detailed Implementation

[0041] The following will provide a clear and complete description of the concept, specific structure, and technical effects of this utility model in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, solution, and effects of this utility model. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0042] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. Furthermore, the descriptions of "up," "down," "left," and "right" used in this invention are only relative to the relative positional relationships of the various components of the invention in the accompanying drawings.

[0043] Referring to Figures 1 to 9, a transmission device for a work vehicle includes a drive motor 1, two output shafts, a transmission shaft 3, and two adjustment components 4.

[0044] In one embodiment, the output shaft includes a first output shaft 21 and a second output shaft 22; the drive motor 1 is fixedly connected to the first output shaft 21, the first output shaft 21 and the second output shaft 22 are respectively located at both ends of the transmission shaft 3, and the adjustment assembly 4 is located at the connection between the output shaft and the transmission shaft 3; the transmission shaft 3 is provided with a first bevel gear 31 at both ends, and the output shaft is provided with a second bevel gear 23 that meshes with the first bevel gear 31; the adjustment assembly 4 includes a bearing 48 seat 41, an adjustment plate 42 and a first clamping member 43, the bearing 48 seat 41 is slidably connected to the adjustment plate 42, the first clamping member 43 is fixedly connected to the adjustment plate 42, and the first clamping member 43 is sleeved on the transmission shaft 3 and rotatably connected to the transmission shaft 3.

[0045] The drive motor 1 drives the sweeping device via a first output shaft 21, a transmission shaft 3, and a second output shaft 22. The transmission shaft 3 has first bevel gears 31 at both ends, and the output shaft has a second bevel gear 23 meshing with the first bevel gears 31. The bevel gear transmission has high transmission efficiency, effectively transmitting the power output by the drive motor 1 to the sweeping device. The adjustment assembly 4 is located at the connection between the output shaft and the transmission shaft 3. The adjustment assembly 4 includes a bearing 48 seat 41, an adjustment plate 42, and a first clamping member 43. The bearing 48 seat 41 is slidably connected to the adjustment plate 42, adjusting the angle of the transmission shaft 3. The first clamping member 43 is fixedly connected to the adjustment plate 42 and is rotatably connected to the transmission shaft 3, fixing the transmission shaft 3 so that the transmission angle between the first bevel gear 31 and the second bevel gear 23 is 90°. This vehicle's transmission device features bevel gears for power transmission, reducing motor energy consumption.

[0046] In one embodiment, referring to FIG8, the adjusting assembly 4 further includes four connecting screws 44, the bearing 48 seat 41 is provided with four threaded posts 45, and the adjusting plate 42 is provided with two elongated holes 46. The threaded posts 45 are abutted against the adjusting plate 42, and the connecting screws 44 pass through the elongated holes 46 and are threadedly connected to the threaded posts 45. Two connecting screws 44 correspond to one elongated hole 46. The elongated holes 46 are arc-shaped. Preferably, the first clamping member 43 is located between the two elongated holes 46, and the first clamping member 43 is threadedly connected to the adjusting plate 42. The adjusting plate 42 can be adjusted in angle along the elongated holes 46 to facilitate the matching of the first bevel gear 31 and the second bevel gear 23.

[0047] In one embodiment, both the first bevel gear 31 and the second bevel gear 23 are helical bevel gears with a helix angle of 15°, and the transmission angle of the helical bevel gear is 90°. This means that the transmission angle of the helical bevel gear is 90°, that is, the angle between the gear tooth surface and the horizontal axis is 90°, which has the optimal transmission effect.

[0048] In one embodiment, the adjusting assembly 4 further includes a second clamping member 47, which is fixedly connected to the bearing 48 seat 41 and sleeved on the first output shaft 21, and is rotatably connected to the first output shaft 21. Referring to FIG9, both the first clamping member 43 and the second clamping member 47 include a bearing 48 and a clamping member 49, with the clamping member 49 sleeved on the bearing 48; the clamping member 49 is U-shaped. Preferably, the clamping member 49 is detachably connected to the bearing 48 seat 41 or the adjusting plate 42 by bolts and nuts.

[0049] In one embodiment, the drive shaft 3 is a telescopic shaft.

[0050] A work vehicle, with a transmission device suitable for the aforementioned work vehicle, further includes a sweeping device and a work box 5, wherein both the transmission device and the sweeping device are connected to the work box 5.

[0051] In one embodiment, the drive motor 1 is fixedly connected to the working box 5, and the bearing 48 seat 41 is fixedly connected to the working box 5.

[0052] In one embodiment, the second output shaft 22 is connected to the cleaning device, and the drive motor 1 drives the cleaning device to work through the first output shaft 21, the transmission shaft 3, and the second output shaft 22.

[0053] Other aspects of the transmission device of the work vehicle described in this utility model are referred to in the prior art and will not be repeated here.

[0054] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any way. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the scope of the technical solution of the present utility model.

[0055] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0056] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A transmission device for a work vehicle, characterized in that, include: Drive motor, two output shafts, transmission shaft and two adjustment components; The output shaft includes a first output shaft and a second output shaft; The drive motor is fixedly connected to the first output shaft, the first output shaft and the second output shaft are respectively located at the two ends of the transmission shaft, and the adjustment component is located at the connection between the output shaft and the transmission shaft; The drive shaft is provided with first bevel gears at both ends, and the output shaft is provided with a second bevel gear that meshes with the first bevel gears. The adjustment assembly includes a bearing housing, an adjustment plate, and a first clamping member. The bearing housing is slidably connected to the adjustment plate, the first clamping member is fixedly connected to the adjustment plate, and the first clamping member is sleeved on the drive shaft and rotatably connected to the drive shaft.

2. The transmission device for a work vehicle according to claim 1, characterized in that, The adjustment assembly also includes a connecting screw, the bearing seat is provided with a threaded post, the adjustment plate is provided with an elongated hole, the threaded post is abutted and connected to the adjustment plate, and the connecting screw passes through the elongated hole and is threadedly connected to the threaded post.

3. The transmission device for a work vehicle according to claim 2, characterized in that, The elongated hole is arc-shaped.

4. The transmission device for a work vehicle according to claim 1, characterized in that, Both the first bevel gear and the second bevel gear are spiral bevel gears with a helix angle of 15°, and the transmission angle of the spiral bevel gear is 90°.

5. The transmission device for a work vehicle according to claim 1, characterized in that, The adjustment assembly further includes a second clamping member, which is fixedly connected to the bearing seat, sleeved on the first output shaft, and rotatably connected to the first output shaft.

6. The transmission device for a work vehicle according to claim 5, characterized in that, Both the first and second clamping components include a bearing and a clamping component, wherein the clamping component is sleeved onto the bearing; The clamping component is shaped like a "Z".

7. The transmission device for a work vehicle according to claim 1, characterized in that, The drive shaft is a telescopic shaft.

8. A work vehicle, suitable for the transmission device of any work vehicle according to any one of claims 1-7, characterized in that, It also includes a cleaning device and a working box, and the transmission device and the cleaning device are both connected to the working box.

9. The transmission device for a work vehicle according to claim 8, characterized in that, The drive motor is fixedly connected to the working box, and the bearing seat is fixedly connected to the working box.

10. The transmission device for a work vehicle according to claim 8, characterized in that, The second output shaft is connected to the cleaning device, and the drive motor drives the cleaning device to work through the first output shaft, the transmission shaft and the second output shaft.

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