CN219046010U

CN219046010U - Dynamometer rack

Info

Publication number: CN219046010U
Application number: CN202320124584.8U
Authority: CN
Inventors: 黄静; 段平勇
Original assignee: Chongqing Gem Power Machinery Co ltd
Current assignee: Chongqing Gem Power Machinery Co ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-05-19
Anticipated expiration: 2033-01-14

Abstract

The utility model belongs to the field of engine testing, and particularly relates to a dynamometer bench which comprises a test bench, an assembly mechanism and a silencing mechanism, wherein a test tooling plate is arranged on the test bench and is used for installing an engine; the assembly mechanism comprises a support frame and an exhaust pipe, the support frame is fixedly arranged on the test bench, an air cylinder is arranged on the support frame, the exhaust pipe is slidably arranged on the support frame, a blending block is fixedly connected to the exhaust pipe, an output shaft of the air cylinder is vertically connected with the blending block, and the tail end of the exhaust pipe faces the direction of the test tool plate; the silencing mechanism is connected with the exhaust pipe.

Description

Dynamometer rack

Technical Field

The utility model belongs to the technical field of engine testing, and particularly relates to a dynamometer bench.

Background

The engine test is an indispensable means for checking the power performance, economy and working reliability of the engine and checking the manufacturing quality, reliability, wear resistance and the like of the whole machine and parts; is also an essential and important link in the research, design and manufacture of new engines. In order to strictly control test conditions and test according to national standard, various working conditions of an engine under actual use are simulated as much as possible, and the engine test is usually carried out on a test bench. When in test, the device is connected with a dynamometer, and various data are detected.

At present, when the dynamometer is tested, the generated noise is loud, the noise reaches more than 100 decibels through the sound refraction of an open workshop, the normal work in a factory is not realized, the physical health of staff is influenced, the silencing equipment is generally connected before the engine test, the exhaust port of the engine is connected with the silencing equipment by utilizing an exhaust pipeline, the connection process needs workers to debug, and the whole assembly efficiency is low.

Disclosure of Invention

Based on the above mentioned problems in the background art, the present utility model provides a dynamometer bench.

The technical scheme adopted by the utility model is as follows: the power measuring bench comprises a test bench, an assembling mechanism and a silencing mechanism, wherein a test tooling plate is arranged on the test bench and used for installing an engine; the assembly mechanism comprises a support frame and an exhaust pipe, the support frame is fixedly arranged on the test bench, an air cylinder is arranged on the support frame, the exhaust pipe is slidably arranged on the support frame, a blending block is fixedly connected to the exhaust pipe, an output shaft of the air cylinder is vertically connected with the blending block, and the tail end of the exhaust pipe faces the direction of the test tool plate; the silencing mechanism is connected with the exhaust pipe.

Further, the silencing mechanism comprises a silencer arranged on the test bench, one end of the silencer is connected with the head end of the exhaust pipe, and an exhaust port is formed in the other end of the silencer.

Further, a supporting seat is arranged between the supporting frame and the exhaust pipe, and a rolling bearing is arranged in the supporting seat in a penetrating manner and used for supporting the exhaust pipe.

Further, the number of the supporting frames is two.

Further, a cylinder handle is arranged on the test bench and is electrically connected with the cylinder.

Further, the distance between the axis of the exhaust pipe and the upper surface of the test bench is 250mm.

Further, the length of the exhaust pipe is 840mm, the outer diameter is 22mm, and the inner diameter is 18mm.

The utility model has the beneficial effects that:

install the engine through test tooling board, start the cylinder, cylinder output shaft promotes the allotment piece and drives blast pipe end to engine gas vent direction motion for the blast pipe realizes quick butt joint with the engine, and assembly efficiency obtains effectively promoting, and blast pipe head end is connected with noise reduction mechanism simultaneously, effectively reduces the noise when engine dynamometry, has ensured the healthy workplace of environment.

Drawings

The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic diagram of the present utility model;

the drawings are noted as follows:

test bench 1, test fixture board 11, cylinder handle 12, support frame 2, antifriction bearing 21, cylinder 22, supporting seat 23, blast pipe 3, allotment piece 31, flange 32, muffler 4, gas vent 41.

Detailed Description

As shown in fig. 1, the power measuring bench comprises a test bench 1, an assembling mechanism and a silencing mechanism, wherein a test tooling plate 11 is arranged on the test bench 1, and the test tooling plate 11 is used for installing an engine; the assembly mechanism comprises a support frame 2 and an exhaust pipe 3, wherein the support frame 2 is fixedly arranged on the test bench 1, an air cylinder 22 is arranged on the support frame 2, the exhaust pipe 3 is slidably arranged on the support frame 2, a blending block 31 is fixedly connected to the exhaust pipe 3, an output shaft of the air cylinder 22 is vertically connected with the blending block 31, and the tail end of the exhaust pipe 3 faces the direction of the test tooling plate 11; the silencing mechanism is connected with the exhaust pipe 3.

By adopting the technical scheme, the engine is mounted through the test tooling plate 11, the cylinder 22 is started, the output shaft of the cylinder 22 pushes the blending block 31 to drive the tail end of the exhaust pipe 3 to move towards the direction of the exhaust port 41 of the engine, so that the exhaust pipe 3 and the exhaust port 41 of the engine are quickly abutted, the assembly efficiency is effectively improved, the flange 32 is arranged at the end part of the exhaust pipe 3, and the exhaust pipe 3 can be reinforced again for tight connection after being contacted with the exhaust port 41 of the engine; meanwhile, the head end of the exhaust pipe 3 is connected with the silencing mechanism, so that noise generated during engine dynamometer is effectively reduced, and an environment-friendly workplace is ensured.

Preferably, the silencing mechanism comprises a silencer 4 arranged on the test bench 1, one end of the silencer 4 is connected with the head end of the exhaust pipe 3, and an exhaust port 41 is arranged at the other end of the silencer 4. Through the arrangement of the muffler 4, the noise of the engine during power measurement is effectively reduced, and the good working environment is ensured.

Preferably, a supporting seat 23 is disposed between the supporting frame 2 and the exhaust pipe 3, and a rolling bearing 21 is inserted into the supporting seat 23 for supporting the exhaust pipe 3. The quick connection of the exhaust pipe 3 and the engine is convenient to realize through the arrangement of the rolling bearing 21, so that the exhaust pipe 3 slides more flexibly and is not easy to wear.

In other embodiments, the support frame 2 is provided with a support seat 23, the exhaust pipe 3 is inserted into the support seat 23, the support seat 23 is rotatably connected with a rolling bearing 21 located below the exhaust pipe 3, the rolling bearing 21 is used for supporting the exhaust pipe 3, and such a supporting manner can ensure that the exhaust pipe 3 is limited and no offset occurs.

Preferably, there are two supporting frames 2. The two support frames 2 are arranged to achieve a more stable supporting effect.

Preferably, the test bench 1 is provided with a cylinder handle 12, and the cylinder handle 12 is electrically connected with the cylinder 22. The output shaft movement of the cylinder 22 is controlled by the cylinder handle 12, so that the exhaust pipe 3 is conveniently controlled to be assembled and matched with the engine.

Preferably, the distance between the axis of the exhaust pipe 3 and the upper surface of the test bench 1 is 250mm. The height difference between the exhaust pipe 3 and the test bench 1 is 250mm, and the height difference accords with the corresponding engine structure, so that the cylinder 22 can directly push the exhaust pipe 3 to be connected with the engine.

Preferably, the length of the exhaust pipe 3 is 840mm, the outer diameter is 22mm, and the inner diameter is 18mm. The structural length of the exhaust pipe 3 corresponds to the connection of the corresponding engine.

The working mode of the utility model is as follows:

when the device is used, an engine is arranged on the test tooling plate 11, the cylinder handle 12 is shifted to start the cylinder 22, and the output shaft of the cylinder 22 pushes the allocation block 31 to drive the tail end of the exhaust pipe 3 to move towards the direction of the exhaust port 41 of the engine, so that the exhaust pipe 3 and the engine realize quick butt joint, the assembly efficiency is effectively improved, the flange 32 is arranged at the end part of the exhaust pipe 3, and after the exhaust pipe 3 is contacted with the exhaust port 41 of the engine, the tight connection can be reinforced again; meanwhile, the head end of the exhaust pipe 3 is connected with the muffler 4, so that noise generated during engine dynamometer is effectively reduced, and an environment-friendly workplace is ensured.

The present utility model has been described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A dynamometer bench, characterized in that: comprising

The test bench (1), a test tooling plate (11) is arranged on the test bench (1), and the test tooling plate (11) is used for installing an engine;

the assembly mechanism comprises a support frame (2) and an exhaust pipe (3), wherein the support frame (2) is fixedly arranged on the test bench (1), an air cylinder (22) is arranged on the support frame (2), the exhaust pipe (3) is slidably arranged on the support frame (2), a blending block (31) is fixedly connected to the exhaust pipe (3), an output shaft of the air cylinder (22) is vertically connected with the blending block (31), and the tail end of the exhaust pipe (3) faces the direction of the test tool plate (11);

and the silencing mechanism is connected with the exhaust pipe (3).

2. A dynamometer bench according to claim 1, wherein: the silencing mechanism comprises a silencer (4) arranged on the test bench (1), one end of the silencer (4) is connected with the head end of the exhaust pipe (3), and an exhaust port (41) is formed in the other end of the silencer (4).

3. A dynamometer bench according to claim 2, wherein: a supporting seat (23) is arranged between the supporting frame (2) and the exhaust pipe (3), and a rolling bearing (21) is arranged in the supporting seat (23) in a penetrating way and used for supporting the exhaust pipe (3).

4. A dynamometer bench according to claim 3, wherein: the number of the supporting frames (2) is two.

5. A dynamometer bench according to claim 4, wherein: the test bench (1) is provided with an air cylinder handle (12), and the air cylinder handle (12) is electrically connected with the air cylinder (22).

6. A dynamometer bench according to claim 5, wherein: the distance between the axis of the exhaust pipe (3) and the upper surface of the test bench (1) is 250mm.

7. A dynamometer bench according to claim 6, wherein: the length of the exhaust pipe (3) is 840mm, the outer diameter is 22mm, and the inner diameter is 18mm.