Tractor fender rotation control assembly

Abstract

The utility model provides a tractor fender rotation control assembly. The tractor fender rotation control assembly comprises a main steering mechanism and a branch steering mechanism. The sub-steering mechanism comprises a sub-steering push rod and a fender, the fender covers the wheel, the sub-steering push rod is fixed to the lower end face of the wheel positioning frame, a connecting rod is hinged to the output end of the sub-steering push rod, and the other end of the connecting rod is hinged to the rotating part; the fender rotates relative to the cylindrical groove along with the action of the branch steering push rod, and the fender does not interfere with wheels in the rotating process. According to the utility model, the wheels and the fender can be driven to steer synchronously, and the fender can rotate at a certain angle on the basis of the synchronous steering of the wheels, so that the steering of the wheels and the fender can be adjusted respectively according to road conditions, the wheels cannot be interfered in the steering adjustment process of the fender, and the adaptive capacity of the tractor to the road conditions is effectively improved; the application scene is further expanded, the protection effect is good, the wheels can be better protected, and the operation safety of the tractor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tractor production design technical field especially relates to a tractor mudguard rotation control assembly. BACKGROUND

[0002] Tractor is a kind of function diverse, widely used agricultural power machine, can tow different farm implements and carry out ploughing, sowing, harvesting and other various agricultural work, also can be applied to road construction, mine, water conservancy, petroleum and construction and other engineering operations.

[0003] Mudguard is the important component in tractor running part, on the one hand, can prevent the mud, sand and other flying things brought by wheel rotation to the vehicle body or driver, can keep the cleanliness of vehicle body, also can protect the driver from the injury of flying things, on the other hand, can prevent the mud, sand and other sundries from impacting and wearing the vehicle body and tire, prevent the mud from entering wheel bearing and braking system, keep the normal operation of component, prolong the service life of vehicle body and tire.

[0004] In the existing tractor design, mudguard is usually installed on the outside of wheel, is positioned and fixed with frame by bolt nut and other fasteners, mudguard is not rotatable relative to frame, cannot rotate around an axis, correspondingly, wheel is usually rotated around wheel shaft, realizes tractor's forward and backward movement by rotation.The existing design rotatable mudguard is usually axially positioned with wheel shaft, when wheel shaft is driven to occur non-rotation angle steering, synchronously drives mudguard and wheel to occur angle steering, realizes the synchronous steering of mudguard and wheel in tractor movement.

[0005] But this steering structure, because mudguard is axially positioned on wheel shaft, the positioning bearing of mudguard and wheel shaft is easy to wear in long-term use, if wear excessively, will cause interference to wheel shaft's rotation, under poor working condition, also cannot respectively control the angle adjustment of wheel and mudguard according to actual practical demand, for this, it is necessary to further improve the structure at tractor mudguard position. UTILITY MODEL CONTENTS

[0006] The utility model wants to solve the technical problem of: in order to overcome the insufficient of prior art, the utility model provides a kind of tractor mudguard rotation control assembly, can carry out the independent angle adjustment control of mudguard, angle control will not cause interference to wheel shaft's normal rotation, can realize the independent angle adjustment of mudguard, wheel, it is convenient to adjust steering according to road condition, improve the adaptability of tractor.

[0007] The utility model discloses a technical scheme that solves its technical problems is: a tractor mudguard rotation control assembly is arranged on the frame of tractor, including total steering mechanism and branch steering mechanism, total steering mechanism includes total steering motor and total steering support, total steering motor is arranged on the frame, total steering support is rotatably connected with the frame, and the output end of total steering motor drives total steering support to rotate relative to the frame, the lower end surface of total steering support is fixed with wheel positioning frame, and the wheel axle is rotatably connected with wheel positioning frame through structural member, and wheel is rotatably arranged on the wheel axle, and wheel motor that drives wheel to rotate with wheel axle as center is also fixed on wheel positioning frame, branch steering mechanism includes branch steering push rod and mudguard, and the mudguard is covered outside the wheel, and the top of mudguard has rotating part, the rotating part is cylindrical structure, and the lower end surface of wheel positioning frame is provided with cylindrical groove that cooperates with cylindrical structure, branch steering bearing is installed in cylindrical groove, the bearing outer ring of branch steering bearing is fixed with cylindrical groove, and the bearing inner ring of branch steering bearing is fixed with the outer wall of cylindrical structure of rotating part, branch steering push rod is fixed on the lower end surface of wheel positioning frame, and the output end of branch steering push rod is hingedly connected with connecting rod, and the other end of connecting rod is hingedly connected with rotating part, the mudguard rotates relative to cylindrical groove with the action of branch steering push rod, and the mudguard does not interfere with wheel in the rotating process.

[0008] In the above scheme, on the basis of the original total steering motor driving the whole wheel to rotate, the cooperation of branch steering bearing, connecting rod, branch steering push rod and wheel positioning frame can control and drive the mudguard to rotate relative to the wheel positioning frame, so that independent rotation control of the mudguard is realized, and the angle can be adjusted as required, which is convenient for adjusting according to the actual working condition.

[0009] Further, in order to realize that the mudguard does not interfere with the wheel, the outer surface of the mudguard is an incomplete spherical structure, the center of the spherical structure is located at the midpoint of the wheel axis, and the rotary cooperation part is located directly above the wheel. The mudguard with the spherical structure is outwardly expanded outside the wheel during rotation, and the midpoint of the wheel axis is taken as the spherical center. The sphere is not complete, and the incomplete position is the wheel motor and its transmission structure, which is used for avoiding interference and setting, to avoid interference between the sphere rotation and the transmission structure such as the wheel motor.

[0010] Preferably, the diameter of the incomplete spherical structure of the mudguard is greater than the diameter of the wheel, and on the basis that the center of the spherical center is the midpoint of the wheel axis, the larger diameter of the sphere can ensure that the rotation of the mudguard does not interfere with the wheel.

[0011] Further, the total steering motor output end is driven and matched with a total first transmission wheel, the total first transmission wheel is driven and connected with a total second transmission wheel through a belt, the total second transmission wheel is fixedly connected with a total steering support, and the upper end surface of the total steering support is rotatably matched with the lower end surface of the frame through a total rotating bearing, wherein the bearing outer ring of the total rotating bearing is fixed with the frame, and the bearing inner ring of the total rotating bearing is fixed with the inner ring of the total steering support. Through the cooperation of the transmission wheel and the belt, the rotation of the total steering support relative to the frame is realized, and the wheels are conveniently driven to turn.

[0012] Further, the wheel motor output end is driven and connected with a first gear shaft, the lower end of the first gear shaft is fixedly connected with a first gear, the outer end of the wheel shaft is fixedly connected with a second gear, and the first gear is engaged with the second gear. Through the gear engagement, the rotation of the wheel is driven.

[0013] Further, the wheel motor output end is driven and connected with a first gear shaft through a belt transmission device.

[0014] The tractor mudguard rotation control assembly has the advantages that the structure design is reasonable, the wheels and the mudguard can be driven to turn synchronously, the mudguard can be rotated by a certain angle on the basis of synchronous turning with the wheels, the turning of the wheels and the mudguard can be adjusted according to the road conditions, the wheels are not interfered with during the turning adjustment of the mudguard, the adaptability of the tractor to the road conditions is effectively improved, the applicable scenarios are further expanded, the protection effect is good, the wheels can be better protected, and the operation safety of the tractor is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained in connection with the drawings and examples.

[0016] Figure 1 It is the front view of the best embodiment of the utility model.

[0017] Figure 2 It is Figure 1 The sectional view of A-A in the figure.

[0018] Figure 3 It is Figure 1 The sectional view of B-B in the figure.

[0019] Figure 4 It is the perspective view of the best embodiment of the utility model.

[0020] Fig. 1, wheel positioning frame 2, total steering motor 3, frame 4, total steering support 5, wheel shaft 6, wheel 7, total rotation bearing 8, wheel motor 9, rotation part 10, mudguard 11, belt transmission device 12, first tooth shaft 13, first gear 14, second gear 15, sub-steering push rod 16, connecting rod 17, cylindrical groove 18, sub-steering bearing. DETAILED DESCRIPTION

[0021] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the structure related to the utility model, and the direction and reference (such as up, down, left, right, etc.) can be only used to help the description of the features in the drawings. Therefore, the following detailed description is not in the restrictive sense, and the scope of the claimed subject matter is only defined by the appended claims and their equivalents.

[0022] As Figures 1 to 4 shown in a kind of tractor mudguard rotation control assembly, it is the optimal embodiment of the utility model. The tractor mudguard rotation control assembly is arranged on the frame 3 of tractor.

[0023] The tractor mudguard rotation control assembly includes total steering mechanism and sub-steering mechanism.

[0024] As Figure 1 and Figure 2 shown, total steering mechanism includes total steering motor 2 and total steering support 4, total steering motor 2 is arranged on frame 3, and total steering support 4 is rotationally matched with frame 3. Specifically, the upper end surface of total steering support 4 and the lower end surface of frame 3 are rotationally matched by total rotation bearing 7, wherein the bearing outer ring of total rotation bearing 7 is fixed with frame 3, and the bearing inner ring of total rotation bearing 7 is fixed with the inner ring of total steering support 4. The output end of total steering motor 2 is transmissionally matched with total first transmission wheel, and total first transmission wheel is connected with total second transmission wheel by belt transmission, and total second transmission wheel is fixedly connected with total steering support 4, when total steering motor 2 acts, the output end of total steering motor 2 drives total steering support 4 to rotate relative to frame 3. By the cooperation of transmission wheel and belt, the rotation action of total steering motor 2 driving total steering support 4 relative to frame 3 is realized, which is convenient for synchronously driving wheel 6 to steer.

[0025] As Figure 1 and Figure 4As shown, the total steering bracket 4 lower end face is fixed with a wheel positioning bracket 1, the wheel positioning bracket 1 is rotatably connected with a wheel shaft 5 through a structural member, the wheel shaft 5 is rotatably provided with a wheel 6, the wheel positioning bracket 1 is also fixed with a wheel motor 8 driving the wheel 6 to rotate around the wheel shaft 5. The wheel motor 8 output end is drivingly connected with a first gear shaft 12 through a belt transmission device 11. The first gear shaft 12 lower end is fixed with a first gear 13, the wheel shaft 5 outer end is fixed with a second gear 14, the first gear 13 is engaged with the second gear 14. The rotation of the wheel 6 is driven through the gear engagement.

[0026] As shown in Figure 1 and Figure 3 The sub-steering mechanism includes a sub-steering push rod 15 and a fender 10, the fender 10 is covered outside the wheel 6, the fender 10 top has a rotating part 9, the rotating part 9 is a cylindrical structure, the wheel positioning bracket 1 lower end face is provided with a cylindrical groove 17 cooperating with the cylindrical structure, the cylindrical groove 17 is installed with a sub-steering bearing 18, the bearing outer ring of the sub-steering bearing 18 is fixed with the cylindrical groove 17, the bearing inner ring of the sub-steering bearing 18 is fixed with the outer wall of the cylindrical structure of the rotating part 9, the sub-steering push rod 15 is fixed on the lower end face of the wheel positioning bracket 1, and the output end of the sub-steering push rod 15 is hingedly connected with a connecting rod 16, the other end of the connecting rod 16 is hingedly connected with the rotating part 9; the fender 10 rotates relative to the cylindrical groove 17 with the action of the sub-steering push rod 15.

[0027] In order to realize the fender 10 and the wheel 6 without interference, the outer surface of the fender 10 is an incomplete spherical structure, the center of the spherical structure is located at the midpoint of the wheel shaft 5 line, and the rotating fitting part is located directly above the wheel 6. The spherical diameter of the incomplete spherical structure of the fender 10 is greater than the diameter of the wheel 6. The fender 10 with the spherical structure is outwardly expanded during rotation and is covered outside the wheel 6 with the midpoint of the wheel shaft 5 line as the spherical center. Based on the midpoint of the wheel shaft 5 line as the center of the spherical center, the spherical diameter is larger, which can ensure that the rotation of the fender 10 does not interfere with the wheel 6. The incomplete position on the sphere is the wheel motor 8 and its transmission structure, which is used for avoidance setting to avoid interference between the sphere rotation and the transmission structure such as the wheel motor 8.

[0028] The tractor mudguard rotation control assembly thus designed, in work, utilizes the action of the total steering motor 2 to drive the overall steering of the wheel 6, realizes the angle steering of the wheel 6, utilizes the wheel motor 8 to drive the normal rotation of the wheel 6, thereby driving the normal walking of the tractor. On the basis of the above action, through the cooperation design of the split steering bearing 18, the connecting rod 16, the split steering push rod 15 and the wheel positioning frame 1, through the action of the split steering push rod 15 driving the connecting rod 16, the rotation of the mudguard 10 relative to the wheel positioning frame 1 can be controlled and driven, thereby realizing the independent rotation control of the mudguard 10, the angle can be adjusted as required, and the adjustment according to the actual working condition is facilitated. The steering of the wheel 6 and the mudguard 10 can be adjusted according to the road condition, the mudguard 10 does not interfere with the wheel 6 in the steering adjustment process, the adaptability of the tractor to the road condition is effectively improved, the applicable scene is further expanded, the protection effect is good, the wheel 6 can be better protected, and the operation safety of the tractor is improved.

[0029] Through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. A tractor mudguard rotation control assembly provided on a tractor frame (3), characterized in that: The total steering mechanism and the sub steering mechanism are included. The total steering mechanism includes a total steering motor (2) and a total steering support (4), the total steering motor (2) is arranged on a frame (3), the total steering support (4) is rotationally matched with the frame (3), and the output end of the total steering motor (2) drives the total steering support (4) to rotate relative to the frame (3). The lower end surface of the total steering support (4) is fixed with a wheel positioning support (1), the wheel positioning support (1) is rotationally connected with a wheel shaft (5) through a structural member, the wheel shaft (5) is rotationally provided with a wheel (6), and the wheel positioning support (1) is further fixed with a wheel motor (8) for driving the wheel (6) to rotate around the wheel shaft (5). The sub steering mechanism includes a sub steering push rod (15) and a mudguard (10), the mudguard (10) is covered outside the wheel (6), the top of the mudguard (10) is provided with a rotating part (9), the rotating part (9) is in a cylindrical structure, the lower end surface of the wheel positioning support (1) is provided with a cylindrical groove (17) matched with the cylindrical structure, the cylindrical groove (17) is provided with a sub steering bearing (18), the bearing outer ring of the sub steering bearing (18) is fixed with the cylindrical groove (17), the bearing inner ring of the sub steering bearing (18) is fixed with the outer wall of the cylindrical structure of the rotating part (9), the sub steering push rod (15) is fixed on the lower end surface of the wheel positioning support (1), and the output end of the sub steering push rod (15) is hingedly connected with a connecting rod (16), and the other end of the connecting rod (16) is hingedly connected with the rotating part (9). The mudguard (10) rotates relative to the cylindrical groove (17) along with the action of the sub steering push rod (15), and the mudguard (10) does not interfere with the wheel (6) in the rotating process.

2. The tractor fender rotation control assembly of claim 1, wherein: The outer surface of the mudguard (10) is in an incomplete spherical structure, the center of the spherical structure is located at the midpoint of the wheel shaft (5) line, and the rotating matching part is located directly above the wheel (6).

3. The tractor fender rotation control assembly of claim 2, wherein: The diameter of the spherical structure of the incomplete spherical structure of the mudguard (10) is greater than the diameter of the wheel (6).

4. The tractor fender rotation control assembly of claim 1, wherein: The output end of the total steering motor (2) is drivingly matched with a total first transmission wheel, the total first transmission wheel is drivingly connected with a total second transmission wheel through a belt transmission, the total second transmission wheel is fixedly connected with the total steering support (4), the upper end surface of the total steering support (4) and the lower end surface of the frame (3) are rotationally matched through a total rotating bearing (7), the bearing outer ring of the total rotating bearing (7) is fixed with the frame (3), and the bearing inner ring of the total rotating bearing (7) is fixed with the inner ring of the total steering support (4).

5. The tractor fender rotation control assembly of claim 1, wherein: The output end of the wheel motor (8) is drivingly connected with a first gear shaft (12), the lower end of the first gear shaft (12) is fixed with a first gear (13), the outer end of the wheel shaft (5) is fixed with a second gear (14), and the first gear (13) is engaged with the second gear (14).

6. The tractor fender rotation control assembly of claim 4, wherein: The output end of the wheel motor (8) is drivingly connected with the first gear shaft (12) through a belt transmission device (11).

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