CN216969213U - Trapezoidal paddy field tractor front axle of mountable double wheel - Google Patents

Abstract

The utility model discloses a front axle of a trapezoidal paddy field tractor capable of being provided with double wheels, which comprises a front axle body of the trapezoidal tractor, wherein a main beam frame is arranged on the front axle body of the trapezoidal tractor, connecting grooves are symmetrically arranged at the top of the main beam frame, telescopic extension arms are arranged at the end heads of the two ends of the main beam frame, an outer wheel mechanism is arranged below the end heads of the telescopic extension arms, a lifting adjusting oil cylinder is arranged at the center inside a wheel support arm of the outer wheel mechanism, a matching mounting block is arranged at the bottom end of a push shaft of the lifting adjusting head cylinder, wheels are arranged on a rotating shaft of an auxiliary hydraulic motor inside the matching mounting block, an inner wheel mechanism is arranged on the inner side of the outer wheel mechanism, an annular bearing ring is arranged at the joint part of the top end of the wheel support arm on the inner wheel mechanism and the main beam frame, a steering driving mechanism and a steering driving mechanism connecting lug below the main beam frame are matched for installation, the front axle of the trapezoidal tractor integrally adopts a trapezoidal structure design and can be simultaneously provided with outer wheels and inner wheels, the stability of the tractor is greatly improved, and the tractor has better trafficability characteristic.

Description

Trapezoidal paddy field tractor front axle of mountable double wheel

Technical Field

The utility model relates to the technical field of front axles of trapezoidal paddy field tractors, in particular to a front axle of a trapezoidal paddy field tractor capable of being provided with double wheels.

Background

The tractor is used for dragging and driving the operation machine to complete various mobile operations. Can also be used as fixed operation power. The system consists of an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and other systems or devices. The power of the engine is transmitted to the driving wheel by the transmission system, so that the tractor runs, and in real life, a rubber belt is commonly used as a medium for power transmission. Tractors classified into agricultural, industrial and special uses according to function and use; the tractor is divided into a wheel type tractor, a crawler type tractor, a boat-shaped tractor, a self-propelled chassis and the like according to the structure type.

Although a tractor is a relatively complex machine, the type and the size of the tractor are different, the tractor consists of three parts, namely an engine, a chassis and electrical equipment, and each part is indispensable.

At present, each end below of front axle of paddy field tractor all can only install a wheel, and moreover, the flexibility of current paddy field tractor front axle lacks and leads to paddy field tractor's trafficability characteristic not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a trapezoidal paddy field tractor front axle which is provided with a main beam frame on a trapezoidal tractor front axle body, wherein the top of the main beam frame is symmetrically provided with connecting grooves, the two ends of the main beam frame are provided with telescopic extension arms, the lower part of the ends of the telescopic extension arms is provided with an outer wheel mechanism, the center inside a wheel support arm of the outer wheel mechanism is provided with a lifting adjusting oil cylinder, the bottom end of a push shaft of the lifting adjusting head cylinder is provided with a matching mounting block, a rotating shaft of an auxiliary hydraulic motor inside the matching mounting block is provided with wheels, the inner side of the outer wheel mechanism is provided with an inner wheel mechanism, the joint of the top end of the wheel support arm on the inner wheel mechanism and the main beam frame is provided with an annular bearing ring, a steering driving mechanism below the main beam frame is matched and mounted with a connecting lug of the steering driving mechanism, the outer wheels and the inner wheels can be simultaneously mounted, the stability of the tractor is greatly improved, and the tractor has better trafficability for mounting double wheels, to solve the problems set forth in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme: a front axle of a trapezoidal paddy field tractor capable of being provided with double wheels comprises a front axle body of the trapezoidal tractor, wherein a main beam frame is arranged on the front axle body of the trapezoidal tractor, a steering driving mechanism is arranged in the center of the bottom of the main beam frame, telescopic expansion arms are symmetrically arranged at the ends of two ends of the main beam frame, and one ends of the telescopic expansion arms are matched with the end of the main beam frame for installation;

an outer wheel mechanism is arranged below the end head of the other end of the telescopic expansion arm, a wheel support arm is arranged on the outer wheel mechanism, a lifting adjusting oil cylinder is arranged in the vertical direction of the inner center of the wheel support arm, a pushing shaft of the lifting adjusting oil cylinder is installed downwards, a matching installation block is arranged at the bottom end of the pushing shaft of the lifting adjusting oil cylinder, an auxiliary hydraulic motor is arranged in the inner center of the matching installation block, the auxiliary hydraulic motor is horizontally arranged, a rotating shaft of the auxiliary hydraulic motor is horizontally arranged outwards, a wheel is arranged on the rotating shaft of the auxiliary hydraulic motor, an annular bearing is arranged on the outer side of the connecting position of the rotating shaft of the auxiliary hydraulic motor and the wheel, and the annular bearing and the matching installation block are fixedly installed;

an inner wheel mechanism is arranged on the inner side of the outer wheel mechanism, a wheel support arm is arranged on the inner wheel mechanism, a lifting adjusting oil cylinder is arranged in the vertical direction of the inner center of the wheel support arm, a push shaft of the lifting adjusting oil cylinder is installed downwards, a matching installation block is arranged at the bottom end of the push shaft of the lifting adjusting oil cylinder, an auxiliary hydraulic motor is arranged in the inner center of the matching installation block, the auxiliary hydraulic motor is horizontally arranged, a rotating shaft of the auxiliary hydraulic motor is horizontally and outwards arranged, a wheel is arranged on the rotating shaft of the auxiliary hydraulic motor, an annular bearing is arranged on the outer side of the joint of the rotating shaft of the auxiliary hydraulic motor and the wheel, and the annular bearing and the matching installation block are fixedly installed;

and the two ends of the steering driving mechanism are matched with the inner wheel mechanism.

Preferably, the top center of girder frame is equipped with the connector, and the both ends end symmetry of connector is equipped with links up the groove, and the lateral wall that links up the groove is equipped with the locking bolt mounting hole, and the locking bolt mounting hole runs through and links up the groove lateral wall, the inside horizontal direction central authorities of both ends end of girder frame are equipped with flexible actuating cylinder, the both sides lateral wall and the girder frame fixed mounting of flexible actuating cylinder, flexible actuating cylinder's top and below symmetry are equipped with and remove the track groove, remove fixed connection between track groove and the girder frame.

Preferably, a steering driving disc is arranged in the center of the steering driving mechanism and is installed in a matched mode with a hydraulic driving motor, connecting shaft connecting lugs are symmetrically arranged on two sides of the outer wall of the steering driving disc, the steering driving disc and the connecting shaft connecting lugs are of an integrated structure, a driving connecting rod is arranged on one side of each connecting shaft connecting lug, and one end of each driving connecting rod is movably connected with each connecting shaft connecting lug.

Preferably, the telescopic expansion arm is a right angle, and a telescopic driving oil cylinder mounting groove is formed between the telescopic expansion arm and the connecting end of the main beam frame.

Preferably, the inside central authorities below of wheel support arm of foreign steamer mechanism is equipped with the lift sleeve, the mutual lock installation of wheel support arm on lift sleeve and the foreign steamer mechanism, the bottom port inboard of wheel support arm is equipped with anticreep limit, and the telescopic top end outside of lift is equipped with anticreep limit, and wheel support arm, lift sleeve structure as an organic whole with corresponding anticreep limit respectively.

Preferably, a steering driving mechanism connecting lug is arranged on the outer side, close to the top end, of the wheel support arm on the inner wheel mechanism, the steering driving mechanism connecting lug and the wheel support arm on the inner wheel mechanism are of an integrated structure, and one end head of the driving connecting rod is movably connected with the steering driving mechanism connecting lug.

Preferably, the horizontal direction angle rotation range of the inner wheel mechanism is 0-90 degrees, and the lifting height range of the inner wheel mechanism is 0-40 cm.

Preferably, when the front axle body of the trapezoidal tractor is in a standing state, the outer wheel mechanism is 15cm higher than the inner wheel mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the end heads of the two ends of the main beam frame are symmetrically provided with telescopic expansion arms, one end of each telescopic expansion arm is matched with the end head of the main beam frame, one end of each telescopic expansion arm moves in the movable track groove above and below the telescopic driving oil cylinder, and the movable track groove not only has a limiting effect on the telescopic expansion arms, but also can improve the running stability of the telescopic expansion arms;

(2) the end heads of the two ends of the main beam frame are symmetrically provided with telescopic expansion arms which are right-angled, a telescopic driving oil cylinder mounting groove is arranged between the telescopic expansion arms and the connecting end head of the main beam frame, one end of each telescopic expansion arm is mounted in a matched manner with the end head of the main beam frame, and the width of a front axle of the tractor can be increased and reduced in the horizontal direction due to the matching of the telescopic expansion arms and the main beam frame, so that the flexibility of the tractor is improved, and the stability of the tractor can be improved when the width of the front axle of the trapezoidal tractor is increased;

(3) the lifting sleeve and a wheel support arm on the outer wheel mechanism are mutually buckled and mounted, an anti-drop edge is arranged on the inner side of a bottom end port of the wheel support arm, an anti-drop edge is arranged on the outer side of the top end head of the lifting sleeve, the wheel support arm and the lifting sleeve are respectively integrated with the corresponding anti-drop edges into a whole, the lifting sleeve stably runs in the wheel support arm, and meanwhile the lifting sleeve can be prevented from being separated from the wheel support arm;

(4) this trapezoidal tractor front axle wholly adopts the trapezoidal structural design, can install outer wheel and interior wheel simultaneously, makes the stability of tractor improve greatly, makes the tractor have better trafficability characteristic.

Drawings

FIG. 1 is a schematic structural view of a front axle body of the trapezoidal tractor according to the present invention;

FIG. 2 is a schematic view of the outer wheel mechanism of the present invention;

FIG. 3 is a schematic view of the inner wheel mechanism of the present invention;

FIG. 4 is a schematic view of the steering drive mechanism of the present invention;

FIG. 5 is a schematic view of the present invention showing the fitting of the wheel support arm to the lifting sleeve.

In the figure: 1. a front axle body of the trapezoidal tractor; 2. a main beam frame; 3. a telescopic driving oil cylinder; 4. a telescopic expansion arm; 5. an outer wheel mechanism; 6. an inner wheel mechanism; 7. a steering drive mechanism; 8. a joining groove; 9. a wheel support arm; 10. a lifting adjusting oil cylinder; 11. a lifting sleeve; 12. a fitting mounting block; 13. an auxiliary hydraulic motor; 14. a wheel; 15. an annular bearing ring; 16. the steering driving mechanism is connected with the lug; 17. driving a steering wheel; 18. the connecting rod is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a trapezoidal paddy field tractor front axle of mountable double round, includes trapezoidal tractor front axle body 1, is equipped with girder framework 2 on the trapezoidal tractor front axle body 1, and the top central authorities of girder framework 2 are equipped with the connector, and the both ends end symmetry of connector is equipped with links up groove 8, and the lateral wall that links up groove 8 is equipped with the locking bolt mounting hole, and the locking bolt mounting hole runs through links up the groove lateral wall, cooperates trapezoidal tractor front axle body 1 and paddy field tractor main part through linking up groove 8 and is connected.

The center of the horizontal direction in the end heads at the two ends of the main beam frame 2 is provided with a telescopic driving oil cylinder 3, the side walls at the two sides of the telescopic driving oil cylinder 3 are fixedly installed with the main beam frame 2, the upper part and the lower part of the telescopic driving oil cylinder 3 are symmetrically provided with a moving track groove, the moving track groove is fixedly connected with the main beam frame 2, the center of the bottom of the main beam frame 2 is provided with a steering driving mechanism 7, the center of the steering driving mechanism 7 is provided with a steering driving disc 17, the steering driving disc 17 is installed in cooperation with a hydraulic driving motor, the two sides of the outer wall of the steering driving disc 17 are symmetrically provided with connecting shaft connecting lugs, the steering driving disc 17 and the connecting shaft connecting lugs are in an integrated structure, one side of the connecting shaft connecting lugs is provided with a driving connecting rod 18, one end head of the driving connecting rod 18 is movably connected with the connecting shaft connecting lugs, the steering driving disc 17 drives the driving connecting rod 18 to operate, thereby indirectly regulating and controlling the steering of the wheels 14, the both ends end symmetry of girder frame 2 is equipped with flexible extension arm 4, flexible extension arm 4 is the right angle, flexible extension arm 4 links up with the girder frame and is equipped with flexible driving cylinder mounting groove between the end, the one end of flexible extension arm 4 and the end cooperation installation of girder frame 2, flexible extension arm 4 makes the width of tractor front axle can carry out the increase of horizontal direction with the cooperation of girder frame 2, reduce, improve the flexibility of tractor, can also improve the stability of tractor when trapezoidal tractor front axle width increases, the one end of flexible extension arm 4 is removed in the removal track inslot portion of the top of flexible driving cylinder 3 and below, move the track groove and not only have spacing effect to flexible extension arm 4, can also improve the stability of flexible extension arm 4 operation simultaneously.

The other end below of flexible extension arm 4 is equipped with foreign steamer mechanism 5, be equipped with wheel support arm 9 on foreign steamer mechanism 5, the inside central authorities below of wheel support arm 9 of foreign steamer mechanism 5 is equipped with lifting sleeve 11, the mutual lock installation of wheel support arm 9 on lifting sleeve 11 and the foreign steamer mechanism 5, the bottom port inboard of wheel support arm 9 is equipped with the anticreep limit, lifting sleeve 11's the top end outside is equipped with the anticreep limit, wheel support arm 9, lifting sleeve 11 is the body structure with the anticreep limit that corresponds respectively, lifting sleeve 11 is in the inside stable operation of wheel support arm 9, can avoid lifting sleeve 11 and wheel support arm 9 to break away from simultaneously again.

A lifting adjusting oil cylinder 10 is arranged in the vertical direction of the inner center of a wheel support arm 9 on an outer wheel mechanism 5, a pushing shaft of the lifting adjusting oil cylinder 10 is installed downwards, a matching installation block 12 is arranged at the bottom end of the pushing shaft of the lifting adjusting oil cylinder 10, an auxiliary hydraulic motor 13 is arranged in the center of the inner portion of the matching installation block 12, the auxiliary hydraulic motor 13 is horizontally arranged, a rotating shaft of the auxiliary hydraulic motor 13 is horizontally arranged outwards, a wheel 14 is arranged on the rotating shaft of the auxiliary hydraulic motor 13, an annular bearing is arranged on the outer side of the joint of the rotating shaft of the auxiliary hydraulic motor 13 and the wheel 14, so that the wheel rotates more lightly and quickly, and the annular bearing is fixedly installed with the matching installation block 12;

an inner wheel mechanism 6 is arranged on the inner side of the outer wheel mechanism 5, two ends of a steering driving mechanism 7 are installed with the inner wheel mechanism 6 in a matched mode, a wheel support arm 9 is arranged on the inner wheel mechanism 6, a steering driving mechanism connecting lug 16 is arranged on the outer side, close to the top end, of the wheel support arm 9 on the inner wheel mechanism 6, the steering driving mechanism connecting lug 16 and the wheel support arm 9 on the inner wheel mechanism 6 are of an integrated structure, and one end head of a driving connecting rod 18 is movably connected with the steering driving mechanism connecting lug 16.

The vertical direction of the inside central authorities of wheel support arm 9 is equipped with lift adjustment hydro-cylinder 10, lift adjustment hydro-cylinder 10 push away the installation of axle down, lift adjustment hydro-cylinder 10 push away the axle bottom and be equipped with cooperation installation piece 12, the inside central authorities of cooperation installation piece 12 are equipped with supplementary hydraulic motor 13, supplementary hydraulic motor 13 level sets up, supplementary hydraulic motor 13's pivot level outwards sets up, be equipped with wheel 14 in supplementary hydraulic motor 13's the pivot, supplementary hydraulic motor 13's pivot is equipped with annular bearing with the outside of the 14 linking department of wheel, make the more light and fast of wheel rotation, annular bearing and the 12 fixed mounting of cooperation installation piece.

The horizontal direction angle rotation range of the inner wheel mechanism 6 is 0-90 degrees, and the lifting height range of the inner wheel mechanism is 0-40 cm.

When the front axle body 1 of the trapezoidal tractor is in a standing state, the outer wheel mechanism 5 is 15cm higher than the inner wheel mechanism 6, the outer wheel mechanism 5 and the inner wheel mechanism 6 are driven to lift through the lift adjusting oil cylinder 10, so that the height of the outer wheel mechanism 5 and the height of the inner wheel mechanism 6 are adjusted according to the actual condition of a paddy field, and the paddy field tractor adopts the lowest height to pass through when not contacting the ground surface of the paddy field.

This whole 1 adoption trapezium structural design of trapezoidal tractor front axle can install outer wheel and interior wheel simultaneously, makes the stability of tractor improve greatly, makes the tractor have better trafficability characteristic.

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

Claims (8)

1. The utility model provides a trapezoidal paddy field tractor front axle of mountable double round, includes trapezoidal tractor front axle body (1), its characterized in that: a main beam frame (2) is arranged on the front axle body (1) of the trapezoidal tractor, a steering driving mechanism (7) is arranged in the center of the bottom of the main beam frame (2), telescopic expansion arms (4) are symmetrically arranged at the ends of two ends of the main beam frame (2), and one end of each telescopic expansion arm (4) is matched with the end of the main beam frame (2) for installation;

an outer wheel mechanism (5) is arranged below the end head of the other end of the telescopic expansion arm (4), a wheel support arm (9) is arranged on the outer wheel mechanism (5), a lifting adjusting oil cylinder (10) is arranged in the vertical direction of the center of the interior of the wheel support arm (9), a pushing shaft of the lifting adjusting oil cylinder (10) is installed downwards, a matching installation block (12) is arranged at the bottom end of the pushing shaft of the lifting adjusting oil cylinder (10), an auxiliary hydraulic motor (13) is arranged in the center of the interior of the matching installation block (12), the auxiliary hydraulic motor (13) is horizontally arranged, a rotating shaft of the auxiliary hydraulic motor (13) is horizontally arranged outwards, a wheel (14) is arranged on the rotating shaft of the auxiliary hydraulic motor (13), an annular bearing is arranged on the outer side of the joint of the rotating shaft of the auxiliary hydraulic motor (13) and the wheel (14), and the annular bearing is fixedly installed with the matching installation block (12);

an inner wheel mechanism (6) is arranged on the inner side of the outer wheel mechanism (5), a wheel support arm (9) is arranged on the inner wheel mechanism (6), a lifting adjusting oil cylinder (10) is arranged in the vertical direction of the center inside the wheel support arm (9), a pushing shaft of the lifting adjusting oil cylinder (10) is installed downwards, a matching installation block (12) is arranged at the bottom end of the pushing shaft of the lifting adjusting oil cylinder (10), an auxiliary hydraulic motor (13) is arranged in the center inside the matching installation block (12), the auxiliary hydraulic motor (13) is horizontally arranged, a rotating shaft of the auxiliary hydraulic motor (13) is horizontally arranged outwards, wheels (14) are arranged on the rotating shaft of the auxiliary hydraulic motor (13), an annular bearing is arranged on the outer side of the joint of the rotating shaft of the auxiliary hydraulic motor (13) and the wheels (14), and the annular bearing is fixedly installed with the matching installation block (12);

and two ends of the steering driving mechanism (7) are matched with the inner wheel mechanism (6) for installation.

2. The front axle of the double-wheel-mountable trapezoidal paddy field tractor as claimed in claim 1, wherein: the top central authorities of girder structure (2) are equipped with the connector, and the both ends end symmetry of connector is equipped with links up groove (8), and the lateral wall that links up groove (8) is equipped with the locking bolt mounting hole, and the locking bolt mounting hole runs through links up the groove lateral wall, the inside horizontal direction central authorities of both ends end of girder structure (2) are equipped with flexible actuating cylinder (3), the both sides lateral wall and the girder structure (2) fixed mounting of flexible actuating cylinder (3), the top and the below symmetry of flexible actuating cylinder (3) are equipped with the removal track groove, remove fixed connection between track groove and the girder structure (2).

3. The front axle of the double-wheel-mountable trapezoidal paddy field tractor as claimed in claim 1, wherein: the steering driving mechanism is characterized in that a steering driving disc (17) is arranged in the center of the steering driving mechanism (7), the steering driving disc (17) is installed in a matched mode with a hydraulic driving motor, connecting shaft connecting lugs are symmetrically arranged on two sides of the outer wall of the steering driving disc (17), the steering driving disc (17) and the connecting shaft connecting lugs are of an integrated structure, a driving connecting rod (18) is arranged on one side of each connecting shaft connecting lug, and one end of each driving connecting rod (18) is movably connected with each connecting shaft connecting lug.

4. The front axle of the double-wheel-mountable trapezoidal paddy field tractor as claimed in claim 1, wherein: the telescopic expansion arm (4) is a right angle, and a telescopic driving oil cylinder mounting groove is formed between the telescopic expansion arm (4) and the connecting end of the main beam frame.

5. The front axle of the double-wheel-mountable trapezoidal paddy field tractor as claimed in claim 1, wherein: wheel support arm (9) inside central authorities below of foreign steamer mechanism (5) is equipped with lifting sleeve (11), lifting sleeve (11) and the mutual lock installation of wheel support arm (9) on foreign steamer mechanism (5), the bottom port inboard of wheel support arm (9) is equipped with the anticreep limit, and the top end outside of lifting sleeve (11) is equipped with the anticreep limit, and wheel support arm (9), lifting sleeve (11) are structure as an organic whole with the anticreep limit that corresponds respectively.

6. The front axle of the double-wheel-mountable trapezoidal paddy field tractor as claimed in claim 3, wherein: the outer side, close to the top end, of a wheel support arm (9) on the inner wheel mechanism (6) is provided with a steering driving mechanism connecting lug (16), the steering driving mechanism connecting lug (16) and the wheel support arm (9) on the inner wheel mechanism (6) are of an integrated structure, and one end head of the driving connecting rod (18) is movably connected with the steering driving mechanism connecting lug (16).

7. The front axle of the double-wheel-mountable trapezoidal paddy field tractor as claimed in claim 1, wherein: the horizontal direction angle rotation range of the inner wheel mechanism (6) is 0-90 degrees, and the lifting height range of the inner wheel mechanism is 0-40 cm.

8. The front axle of the double-wheel-mountable trapezoidal paddy field tractor as claimed in claim 1, wherein: when the front axle body (1) of the trapezoidal tractor is in a standing state, the outer wheel mechanism (5) is 15cm higher than the inner wheel mechanism (6).

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