CN209274338U - The built-in motor driving structure of electric tractor - Google Patents

Abstract

The utility model discloses a kind of built-in motor driving structures of electric tractor, including front suspension and preceding bridge, before the left end of the front suspension is fixedly connected on the right side of bridge, the right end of front suspension is fixedly connected with exterior body, preceding bridge is fixedly connected with sole by the way that the positioning bolt of its left side is arranged in, the upper surface left end of the sole is equipped with motor, sole is fixed on transition piece by the way that the positioning bolt of its left side is arranged in, the transition piece is fixedly connected with motor by the way that the positioning bolt of its right side is arranged in, the left side of the transition piece is fixedly connected with the right side of rear axle, motor by being arranged in the middle position of vehicle by the utility model, keep front and back wheel bearing distribution well-balanced, motor and gearbox are directly coupled simultaneously, realize moving forward and backward for vehicle, enormously simplify overall structure, and reduce manufacture Cost.

Description

The built-in motor driving structure of electric tractor

Technical field

The utility model relates to tractor technical field, the built-in motor driving structure of specially a kind of electric tractor.

Background technique

For tractor on domestic market mainly using diesel engine as power source, traditional diesel tractor noise is big, shakes It is dynamic big, and the tail gas pollution atmosphere of its discharge, it is unfavorable for environmental protection.

Electric tractor is able to solve many unfavorable problems of fuel tractor bring, and motor provides row for electric tractor Driving force is sailed, motor is generally arranged on the rear axle of electric tractor by traditional structure arrangement, so that tractor center of gravity Rearward, it and can not directly be coupled with gearbox, need to arrange drive connection mechanism, increase the overall structure of electric tractor, However also have and motor is arranged on the wheel of electric tractor, this motor arrangement needs motor size smaller and extremely It needs to arrange two less, torque is less than normal, is only suitable for fraction horsepower tractor, and processing cost is higher.

Summary of the invention

The technical problems to be solved in the utility model is to overcome existing defect, provides in a kind of electric tractor and sets electricity Machine driving structure keeps front and back wheel bearing distribution well-balanced by the way that motor to be arranged in the middle position of vehicle, while by motor and change Fast case is directly coupled, and realizes moving forward and backward for vehicle, simplifies overall structure, can effectively solve asking in background technique Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of built-in motor drive of electric tractor Dynamic structure, including front suspension and preceding bridge, before the left end of the front suspension is fixedly connected on the right side of bridge, the right end of front suspension with Exterior body is fixedly connected, and preceding bridge is fixedly connected with sole, the sole by the way that the positioning bolt of its left side is arranged in Upper surface left end be equipped with motor, sole, which passes through, to be arranged in the positioning bolt of its left side and is fixed on transition piece, the mistake It crosses part and is fixedly connected with motor, the left side of the transition piece and the right side of rear axle by the way that the positioning bolt of its right side is arranged in It is fixedly connected, the left end of rear axle is fixedly connected with exterior body, and the right side rear end of the rear axle is fixedly connected with gearbox, described The junction of the output shaft of motor and the input axis connection of gearbox and the two is located in transition piece.

As a kind of optimal technical scheme of the utility model, the shape of the transition piece is trapezium structure, and transition piece Small end be fixedly connected with the right side of rear axle, the big end of transition piece is fixedly connected with the left side of sole.

As a kind of optimal technical scheme of the utility model, the input shaft right end of the gearbox and the output shaft of motor Left end is spline structure, and the output shaft left end of motor connects the input shaft right end of gearbox by spline housing.

As a kind of optimal technical scheme of the utility model, the middle position on the inside of the spline housing is machined with boss.

As a kind of optimal technical scheme of the utility model, the upper surface left end of the sole is concave inward structure, electricity Machine is mounted in the cavity of upper surface right end of sole.

Compared with prior art, the utility model has the beneficial effects that the built-in motor driving structure of this electric tractor The inside for making full use of sole keeps front and back wheel bearing distribution well-balanced, motor by the way that motor to be arranged in the middle position of vehicle Realize that vehicle moves forward and backward with being directly coupled for gearbox, while designing for transition piece can output shaft to motor and change The junction of fast case input shaft is fixed and protects, and the use of spline housing realizes torque between motor and gearbox and transmits, Boss structure inside spline housing can ensure that front and back play does not occur after spline installs, and further ensure the steady of torque transmitting It is qualitative.

Detailed description of the invention

Fig. 1 is the main view of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is the enlarged diagram at the A of Fig. 2；

Fig. 4 is the cross-sectional view of spline housing；

Fig. 5 is the main view of transition piece；

Fig. 6 is the top view of Fig. 5.

In figure: bridge before 1 front suspension, 2,3 soles, 4 motors, 5 transition pieces, 6 gearboxes, 7 rear axles, 8 spline housings, 9 convex Platform.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: including front suspension 1 and preceding bridge 2, a left side for front suspension 1 Before end is fixedly connected on the right side of bridge 2, the right end of front suspension 1 is fixedly connected with exterior body, and preceding bridge 2 is by setting on its left side The positioning bolt of end face is fixedly connected with sole 3, and the upper surface left end of sole 3 is equipped with motor 4, the upper surface of sole 3 Left end is concave inward structure, and motor 4 is mounted in the cavity of upper surface right end of sole 3, and sole 3 is by being arranged in its left end The positioning bolt in face is fixed on transition piece 5, and the transition piece 5 is fixedly connected with electricity by the way that the positioning bolt of its right side is arranged in The left side of machine 4, transition piece 5 is fixedly connected with the right side of rear axle 7, and the shape of transition piece 5 is trapezium structure, and transition piece 5 Small end be fixedly connected with the right side of rear axle 7, the big end of transition piece 5 is fixedly connected with the left side of sole 3, rear axle 7 Left end is fixedly connected with exterior body, and the right side rear end of rear axle 7 is fixedly connected with gearbox 6, the input shaft right end of gearbox 6 with The output shaft left end of motor 4 is spline structure, and the output shaft left end of motor 4 connects the input shaft of gearbox 6 by spline housing 8 Right end, the use of spline housing 8 realize torque between motor 4 and gearbox 6 and transmit, and motor 4 and being directly coupled for gearbox 6 are real Existing vehicle moves forward and backward, and the middle position of 8 inside of spline housing is machined with boss 9, and the boss 9 inside spline housing 8 can be true It protects after spline installs and front and back play does not occur, further ensure the stability of torque transmitting, the output shaft and gearbox of motor 4 The 6 input axis connection and junction of the two is located in transition piece 5, the design of transition piece 5 can output shaft to motor 4 and The junction of 6 input shaft of gearbox is fixed and protects.

When in use: motor 4 being arranged on the sole 3 in middle position, keeps front and back wheel bearing distribution well-balanced, is led to It crosses transition piece 5 sole 3 and rear axle 7 link together, gearbox 6 is fixed on rear axle 7, and motor 4 is fixed on sole 3 On, the input shaft of gearbox 6 is connect with the output shaft of motor 4 by spline housing 8, realizes the transmitting of dynamic torque.

The utility model keeps front and back wheel bearing distribution well-balanced, simultaneously will by the way that motor 4 to be arranged in the middle position of vehicle Motor 4 and gearbox 6 are directly coupled, and realize moving forward and backward for vehicle, simplify overall structure, reduce manufacturing cost, and ten Divide the drive position design being suitable at electric tractor chassis.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of built-in motor driving structure of electric tractor, including front suspension (1) He Qianqiao (2), it is characterised in that: described The left end of front suspension (1) is fixedly connected on the right side of preceding bridge (2), and the right end of front suspension (1) is fixedly connected with exterior body, preceding Bridge (2) is fixedly connected with sole (3) by the way that the positioning bolt of its left side is arranged in, and the upper surface of the sole (3) is left End is equipped with motor (4), and sole (3) is fixed on transition piece (5) by the way that the positioning bolt of its left side is arranged in, the transition Part (5) is fixedly connected motor (4) by the way that the positioning bolt of its right side is arranged in, the left side of the transition piece (5) and rear axle (7) right side is fixedly connected, and the left end of rear axle (7) is fixedly connected with exterior body, and the right side rear end of the rear axle (7) is fixed It is connected with gearbox (6), output shaft and the input axis connection of gearbox (6) and the junction of the two of the motor (4) are located at In transition piece (5).

2. a kind of built-in motor driving structure of electric tractor according to claim 1, it is characterised in that: the transition The shape of part (5) is trapezium structure, and the small end of transition piece (5) is fixedly connected with the right side of rear axle (7), transition piece (5) Big end is fixedly connected with the left side of sole (3).

3. a kind of built-in motor driving structure of electric tractor according to claim 1, it is characterised in that: the speed change The input shaft right end of case (6) and the output shaft left end of motor (4) are spline structure, and the output shaft left end of motor (4) passes through flower Key set (8) connects the input shaft right end of gearbox (6).

4. a kind of built-in motor driving structure of electric tractor according to claim 3, it is characterised in that: the spline Middle position on the inside of set (8) is machined with boss (9).

5. a kind of built-in motor driving structure of electric tractor according to claim 1, it is characterised in that: the chassis The upper surface left end of frame (3) is concave inward structure, and motor (4) is mounted in the cavity of (3) upper surface right end of sole.