CN216554106U

CN216554106U - Single-cylinder diesel engine transmission device of small excavator

Info

Publication number: CN216554106U
Application number: CN202123134105.0U
Authority: CN
Inventors: 李若晨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-17
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a single-cylinder diesel engine transmission device of a mini excavator, belonging to the technical field of single-cylinder diesel engine transmission, comprising an engine arranged at the rear side of the mini excavator, wherein the outer side of the engine is sequentially connected with an engine flywheel, a belt pulley, a coupling and a gear pump, one side of the gear pump is provided with a motor driven by the belt pulley, one end of the gear pump is connected with the coupling, the other end of the gear pump is provided with a connecting pipe, the coupling is a star-shaped elastic coupling, the structure of the transmission device is simple, the engine generates power to drive the engine flywheel to rotate so as to drive the motor to generate power, the direct connection structure of the engine flywheel, the belt pulley, the coupling and the gear pump is combined, the problems of slippage, unstable flow output and incapability of guaranteeing power supply in the prior art can be effectively avoided, the length of the excavator is effectively shortened through the parallel discharge structure of the motor and the gear pump, the improved excavator is small, exquisite and flexible, the working radius is shortened, and the excavator is suitable for construction environments with narrow working spaces.

Description

Single-cylinder diesel engine transmission device of small excavator

Technical Field

The utility model relates to a transmission device of a single-cylinder diesel engine of a small excavator, belonging to the technical field of transmission of single-cylinder diesel engines.

Background

The single-cylinder diesel engine of the existing mini excavator drives the gear pump to rotate through the belt, so that the mini excavator is easy to slip, the flow output is unstable, and the power supply cannot be ensured; moreover, the existing mini excavator is long in length, the mini excavator cannot work normally due to the fact that the construction space is narrow, peripheral facilities are easily damaged by the outer shell on the rear side of the mini excavator due to the fact that the working radius is increased, and therefore the fact that a single-cylinder diesel engine transmission device of the mini excavator is researched and developed is of great importance.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a single-cylinder diesel engine transmission device of a mini excavator.

The technical scheme for solving the technical problems is as follows:

the utility model provides a single cylinder diesel engine transmission of mini-excavator, is including installing the engine at the mini-excavator rear side, and the engine flywheel, belt pulley, shaft coupling and gear pump have connected gradually in the engine outside, and gear pump one side is equipped with the motor through belt pulley drive, gear pump one end and coupling joint, the other end are equipped with the connecting pipe, the shaft coupling is star elastic coupling.

Further, the gear pump is equipped with the mount with the shaft coupling link.

Further, the gear pump is connected with the coupler through an internal spline.

Furthermore, a flange output shaft is arranged on the belt pulley and connected with the coupling through an external spline.

Furthermore, a motor flywheel is arranged on the motor and connected with the belt pulley through a belt.

Compared with the prior art, the utility model has the beneficial effects that: this application simple structure, it rotates to produce power through the engine and drive the engine flywheel, thereby drive the motor electricity generation, combine the engine flywheel, the belt pulley, the lug connection structure of shaft coupling and gear pump, can effectively avoid prior art to skid, the unstable and unable problem of guaranteeing of power supply of flow output, through the structure that motor and gear pump discharge side by side, the length of excavator has effectively been shortened, make the excavator after the improvement small and exquisite nimble, working radius has been shortened, it is applicable in the narrower construction environment in worker's space.

Drawings

FIG. 1 is a top view of the structure of the present invention.

In the figure, 1, a motor; 2. a motor flywheel; 3. a belt pulley; 4. an engine flywheel; 5. a coupling; 6. A fixed mount; 7. a gear pump; 8. a connecting pipe; 9. an engine; 10. and a flange output shaft.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in figure 1, a single cylinder diesel engine transmission device of a mini excavator comprises an engine 9 installed on the rear side of the mini excavator, wherein an engine flywheel 4, a belt pulley 3, a coupler 5 and a gear pump 7 are sequentially connected to the outer side of the engine 9, a motor 1 driven by the belt pulley 3 is arranged on one side of the gear pump 7, one end of the gear pump 7 is connected with the coupler 5, a connecting pipe 8 is arranged on the other end of the gear pump, and the coupler 5 is a star-shaped elastic coupler. And a fixing frame 6 is arranged at the connecting end of the gear pump 7 and the coupler. The gear pump 7 is connected with the coupler 5 through an internal spline. And a flange output shaft 10 is arranged on the belt pulley 3, and the flange output shaft 10 is connected with the coupling 5 through an external spline. The motor 1 is provided with a motor flywheel 2, and the motor flywheel 2 is connected with a belt pulley 3 through a belt.

When the excavator is used, the engine 9 generates power, the engine flywheel 4 is driven to rotate, the engine flywheel 4 drives the belt pulley 3 to rotate, the belt pulley 3 drives the motor 1 to generate electricity through the triangular belt, the structure is simple, the engine flywheel 9 generates power to drive the engine flywheel 4 to rotate, the motor 1 is driven to generate electricity, the engine flywheel 4 is combined, the belt pulley 3 and the direct connection structure of the gear pump 7 are combined, the problems that the prior art slips, the flow output is unstable and the power supply cannot be guaranteed can be effectively avoided, the excavator is small and exquisite and convenient after improvement, the working radius is shortened, and the excavator is applicable to construction environments with narrow working spaces.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a small-size excavator single cylinder diesel engine transmission which characterized in that: including installing engine (9) at the miniexcavator rear side, engine (9) outside has connected gradually engine flywheel (4), belt pulley (3), shaft coupling (5) and gear pump (7), and gear pump (7) one side is equipped with motor (1) through belt pulley (3) driven, gear pump (7) one end is connected with shaft coupling (5), and the other end is equipped with connecting pipe (8), shaft coupling (5) are star elastic coupling.

2. The single cylinder diesel engine transmission of a mini-excavator according to claim 1, wherein: and a fixing frame (6) is arranged at the connecting end of the gear pump (7) and the coupler.

3. The single cylinder diesel engine transmission of a mini-excavator according to claim 1, wherein: the gear pump (7) is connected with the coupler (5) through an internal spline.

4. The single cylinder diesel engine transmission of a mini-excavator according to claim 1, wherein: and a flange output shaft (10) is arranged on the belt pulley (3), and the flange output shaft (10) is connected with the coupling (5) through an external spline.

5. The single cylinder diesel engine transmission of a mini-excavator according to claim 1, wherein: the motor flywheel (2) is arranged on the motor (1), and the motor flywheel (2) is connected with the belt pulley (3) through a belt.