CN218325861U

CN218325861U - Diesel engine test-machine is with connecting external member

Info

Publication number: CN218325861U
Application number: CN202222101519.1U
Authority: CN
Inventors: 王益帅; 成强; 段云鹏
Original assignee: Shandong Yunnei Power Co ltd
Current assignee: Shandong Yunnei Power Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-17
Anticipated expiration: 2032-08-10

Abstract

The utility model provides a connecting device for a diesel engine test machine, which belongs to the technical field of diesel engine production and comprises a first spline shaft, a second spline shaft and a spline housing, wherein the first spline shaft and the second spline shaft are connected through the spline housing; the first spline shaft and the spline housing are connected through a spline, and the second spline housing and the spline shaft are connected through a spline. Through the spline connection between first integral key shaft, second integral key shaft and the spline housing, can realize the fast switch-over of being connected between dynamometer machine and the diesel engine, improve the examination machine efficiency of diesel engine greatly.

Description

Diesel engine test-machine is with connecting external member

Technical Field

The utility model belongs to the technical field of the diesel engine production, concretely relates to diesel engine is connecting external member for examination machine.

Background

In the existing stage, a hydraulic dynamometer is always adopted in a factory to test a diesel engine, the dynamometer needs to be connected with different diesel engines in the process of testing the diesel engine, the dynamometer and the diesel engines are generally fixedly connected through bolts, and when connection switching is carried out between different diesel engines, a large amount of manpower and time cost are needed to be spent, so that the efficiency of testing the diesel engines is influenced.

SUMMERY OF THE UTILITY MODEL

The defect or not enough to among the prior art, the utility model provides a diesel engine is connecting external member for trying on machine can realize the fast switch-over of being connected between dynamometer machine and the diesel engine, has improved the examination machine efficiency of diesel engine greatly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the embodiment of the utility model provides a diesel engine is connecting external member for test run, including first integral key shaft, second integral key shaft and spline housing, first integral key shaft and second integral key shaft pass through the spline housing and connect;

the first spline shaft and the spline sleeve are connected through a spline, and the second spline sleeve and the spline shaft are connected through a spline.

Further, be provided with first external splines on the excircle face of first integral key shaft one end, other end fixedly connected with first ring flange, the circumference of first ring flange is equipped with a plurality of bolt holes.

Further, one end of the second spline shaft is step-shaped and comprises a first shaft section and a second shaft section, the first shaft section is located at the end of the second spline shaft, and the outer diameter of the first shaft section is smaller than the outer portion of the second shaft section.

Furthermore, the outer circular surface of the first shaft section is provided with a second external spline, one end of the second shaft section, which is far away from the first shaft section, is fixedly connected with a second flange plate, and a plurality of bolt holes are formed in the circumferential direction of the second flange plate.

Further, the spline housing is a hollow tubular structure, a first shaft hole is formed in the axis of one end of the spline housing, and the inner diameter of the first shaft hole is the same as the outer diameter of the first spline shaft.

Further, the inner surface of the first shaft hole is provided with a first inner spline matched with the first outer spline.

Further, a second shaft hole is formed in the axis of the other end of the spline sleeve, and the inner diameter of the second shaft hole is the same as the outer diameter of the first shaft section on the second spline shaft.

Further, the inner surface of the second shaft hole is provided with a second inner spline matched with the second outer spline.

Furthermore, the bottom in first shaft hole is linked together with the bottom in second shaft hole, and first shaft hole and second shaft hole coaxial setting.

Furthermore, a spring is sleeved on the first spline shaft, one end of the spring is connected with the end of the spline housing, and the other end of the spring is connected with the outer surface of the first flange plate.

The utility model has the advantages that:

the utility model discloses a through splined connection between first integral key shaft, second integral key shaft and the spline housing, can realize the fast switch over of being connected between dynamometer machine and the diesel engine, improve the examination quick-witted efficiency of diesel engine greatly.

Drawings

FIG. 1 is a schematic view of the overall structure of a connecting kit according to an embodiment of the present invention;

FIG. 2 is a side view of the first spline shaft in the embodiment of the present invention;

FIG. 3 is a side view of a second spline shaft in an embodiment of the present invention;

FIG. 4 is a side sectional view of the spline housing in the embodiment of the present invention;

wherein, 1, the first spline shaft; 2. a second spline shaft; 3. a spline housing; 4. a first external spline; 5. a first flange plate; 6. a first shaft section; 7. a second shaft section; 8. a second male spline; 9. a second flange plate; 10. a first shaft hole; 11. a first internal spline; 12. a second shaft hole; 13. a second internal spline; 14. a spring.

Detailed Description

The present disclosure is further illustrated by the following examples in conjunction with the accompanying drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "up", "down", "left" and "right" in the present invention, if appearing, are only used to indicate the correspondence with the directions of up, down, left and right of the drawings themselves, and not to limit the structure, but merely to facilitate the description of the present invention and to simplify the description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The term interpretation section: the terms "mounting", "connecting", "fixing" and the like in the present invention should be understood in a broad sense, for example, they may be fixed or detachable or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model discloses a typical embodiment, as shown in fig. 1-4, a diesel engine is connection external member for test run, including first integral key shaft 1, second integral key shaft 2 and spline housing 3, first integral key shaft 1 and second integral key shaft 2 pass through spline housing 3 and connect.

Be provided with first external splines 4 on the outer disc of 1 one end of first integral key shaft, other end fixedly connected with first ring flange 5, the circumference of first ring flange 5 is equipped with a plurality of bolt holes, first integral key shaft 1 passes through the bolt and links to each other with the epaxial elasticity coupling of dynamometer output to can guarantee first integral key shaft 1 and the coaxial setting of dynamometer output shaft, thereby can realize the transmission of first integral key shaft 1 and dynamometer output shaft moment of torsion and rotational speed.

One end of the second spline shaft 2 is in a step shape and comprises a first shaft section 6 and a second shaft section 7, the first shaft section 6 is located at the end part of the second spline shaft 2, the outer diameter of the first shaft section 6 is smaller than that of the second shaft section 7, a second external spline 8 is arranged on the outer circular surface of the first shaft section 6, a second flange plate 9 is fixedly connected to one end, far away from the first shaft section 6, of the second shaft section 7, a plurality of bolt holes are formed in the circumferential direction of the second flange plate 9, the second spline shaft 2 is connected with the end part of the diesel engine flywheel through bolts, the second spline shaft 2 can be guaranteed to coincide with the axis of the diesel engine flywheel, and therefore the torque and the torque of the second spline shaft 2 and the diesel engine flywheel can be transmitted.

Spline housing 3 is hollow tubular structure, and the axis department of its one end is provided with first shaft hole 10, the internal diameter in first shaft hole 10 is the same with first integral key shaft 1's external diameter, makes during first integral key shaft 1's tip can insert first shaft hole 10, and the internal surface in first shaft hole 10 is provided with the first internal spline 11 with first external spline 4 looks adaptation, makes first integral key shaft 1 and spline housing 3 realize splined connection.

A second shaft hole 12 is formed in the axis of the other end of the spline housing 3, the inner diameter of the second shaft hole 12 is the same as the outer diameter of the first shaft section 6 on the second spline shaft 2, so that the first shaft section 6 at the end of the second spline shaft 2 can be inserted into the second shaft hole 12, and a second internal spline 13 matched with the second external spline 8 is formed in the inner surface of the second shaft hole 12, so that the second spline shaft 2 and the spline housing 3 are in spline connection.

The outer diameter of the spline housing 3 is smaller than the outer diameter of the second shaft section 7 on the second spline shaft 2, and when the first shaft section 6 is inserted into the second shaft hole 12 of the spline housing 3 to a certain depth, the end of the spline housing 3 contacts with the side wall of the second shaft section 7, so that the insertion depth of the first shaft section 6 is limited.

The bottom end of the first shaft hole 10 is communicated with the bottom end of the second shaft hole 12, and the first shaft hole 10 and the second shaft hole 12 are coaxially arranged, so that the torque and the rotating speed of the first spline shaft 1 and the second spline shaft 2 are transmitted.

The first spline shaft 1 is further sleeved with a spring 14, one end of the spring 14 is connected with the end portion of the spline housing 3, the other end of the spring 14 is connected with the outer surface of the first flange plate 5, the spring 14 provides thrust for the spline housing 3 and limits the movement of the spline housing 3 in the axis direction of the spline housing, and therefore the effective connection of the first spline shaft 1 and the second spline shaft 2 is guaranteed. The spring 14 mainly ensures the position of the spline housing 3 in the process of testing the diesel engine, ensures the flexible connection between the spline housing 3 and the spline shaft in the process of an upper testing machine and a lower testing machine, realizes the quick position calibration, and ensures that the phenomenon of flying out of the retaining mechanism can not occur after long-time use.

Principle of operation

When the elastic coupling is used, the elastic coupling on the output shaft of the dynamometer is connected with the first flange on the first spline shaft, the diesel engine flywheel is connected with the second flange on the second spline shaft, the spring is sleeved on the first spline shaft, the first shaft hole of the spline sleeve is sleeved at the end part of the first spline shaft, and the second shaft hole of the spline sleeve is sleeved at the end part of the second spline shaft.

The dynamometer drives the first spline shaft, the spline sleeve and the second spline shaft to rotate in sequence, and therefore torque and rotating speed transmission between the dynamometer and the diesel engine is achieved.

When the diesel engine is switched, the dynamometer can be switched with other diesel engines only by separating the spline housing from the second spline shaft and connecting the spline housing with the second spline shaft installed on the other diesel engine, so that the test efficiency of the diesel engine is improved.

The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. A connecting sleeve for a diesel engine test machine is characterized by comprising a first spline shaft, a second spline shaft and a spline housing, wherein the first spline shaft and the second spline shaft are connected through the spline housing;

2. The connecting kit for the diesel engine test run according to claim 1, wherein a first external spline is disposed on an outer circumferential surface of one end of the first spline shaft, a first flange is fixedly connected to the other end of the first spline shaft, and a plurality of bolt holes are circumferentially disposed on the first flange.

3. The connecting kit for a diesel engine test run according to claim 1, wherein one end of the second spline shaft is step-shaped and comprises a first shaft section and a second shaft section, the first shaft section is located at the end of the second spline shaft, and the outer diameter of the first shaft section is smaller than that of the second shaft section.

4. The connecting kit for the diesel engine test run according to claim 3, wherein a second external spline is arranged on an outer circumferential surface of the first shaft section, a second flange is fixedly connected to one end, away from the first shaft section, of the second shaft section, and a plurality of bolt holes are formed in the circumferential direction of the second flange.

5. The connecting kit for the diesel engine test run according to claim 1, wherein the spline housing is a hollow tubular structure, a first shaft hole is arranged at the axis of one end of the spline housing, and the inner diameter of the first shaft hole is the same as the outer diameter of the first spline shaft.

6. The connecting kit for the diesel test engine as set forth in claim 5, wherein the first internal spline is provided on an inner surface of the first shaft hole.

7. A connection kit for a diesel engine test run according to claim 3 or 5, characterized in that a second shaft hole is arranged at the axis of the other end of the spline housing, and the inner diameter of the second shaft hole is the same as the outer diameter of the first shaft section on the second spline shaft.

8. The connecting kit for the diesel engine test run according to claim 7, wherein the inner surface of the second shaft hole is provided with a second internal spline.

9. The connecting kit for the diesel engine test run according to claim 5 or 7, wherein the bottom end of the first shaft hole is communicated with the bottom end of the second shaft hole, and the first shaft hole and the second shaft hole are coaxially arranged.

10. The connecting kit for the diesel test run according to claim 2, wherein the first spline shaft is further sleeved with a spring, one end of the spring is connected with the end of the spline housing, and the other end of the spring is connected with the outer surface of the first flange plate.