CN216718340U

CN216718340U - Chassis dynamometer for automobile working condition exhaust emission test

Info

Publication number: CN216718340U
Application number: CN202122474704.0U
Authority: CN
Inventors: 杨吉华; 杨家宝; 沈晓强; 赵宁川
Original assignee: Nanjing Xinshishang Automobile Testing Technology Co ltd
Current assignee: Nanjing Xinshishang Automobile Testing Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-06-10
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a chassis dynamometer for testing the exhaust emission of automobile working conditions, which relates to the technical field of chassis dynamometers, has the advantages of simple operation and good fixing effect, and has the technical scheme key points that: including rolling the board and setting up the rectangular shape standing groove on rolling the board on the chassis dynamometer, and horizontal smooth the moving in the standing groove is connected with two relative sliders, all be equipped with the impeller that promotes two sliders and be close to each other or keep away from in the standing groove in to, two one side that the slider deviates from the standing groove tank bottom all is equipped with and is used for the fixed joint spare of automobile non-drive wheel.

Description

Chassis dynamometer for testing tail gas emission under automobile working condition

Technical Field

The utility model relates to the technical field of chassis dynamometer, in particular to a chassis dynamometer for testing tail gas emission under automobile working conditions.

Background

The chassis dynamometer is an indoor bench test device for testing performances such as automobile dynamic property, multi-working condition emission indexes, fuel indexes and the like. The automobile chassis dynamometer simulates a road surface through a roller, calculates a road simulation equation, and simulates each working condition of an automobile by using a loading device. In the automobile test, especially when simulating the road test on two drive chassis dynamometer, need be fixed with non-drive wheel, avoid taking place the phenomenon that automobile drive wheel breaks away from the cylinder, but the fixing device operation on the current chassis dynamometer is complicated, fixed effect is not good, causes vehicle drunkenness and off tracking easily, consequently should newly provide a solution with the usefulness.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects, the utility model aims to provide the chassis dynamometer for the automobile working condition exhaust emission test, and the chassis dynamometer has the advantages of simple operation and good fixing effect.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a chassis dynamometer used for an automobile working condition tail gas emission test, which comprises a rolling plate on the chassis dynamometer and a strip-shaped placing groove arranged on the rolling plate, wherein two opposite slide blocks are connected in the placing groove in a horizontally-sliding manner, push pieces for pushing the two slide blocks to mutually approach or separate in the placing groove are arranged in the placing groove, and clamping pieces for fixing non-driving wheels of an automobile are arranged on one sides of the two slide blocks, which are far away from the bottom of the placing groove.

Through adopting above-mentioned technical scheme, when using, only need open the car to rolling the board on, then promote two sliders in the standing groove to the direction horizontal migration that is close to each other through the impeller, after two sliders horizontal migration to suitable position in the standing groove, can fix two non-drive wheels of car through the joint spare that sets up on two sliders, easy operation is fixed effectual, and can fix the non-drive wheel of car of different width, and convenience simple to use.

Preferably, the pushing part comprises first air cylinders which are horizontally arranged on the two opposite groove walls of the placing groove, and one ends of piston rods of the two first air cylinders are fixedly connected with the two sliding blocks respectively.

Preferentially, the joint spare includes vertical setting and deviates from the backup pad of standing groove tank bottom one side at the slider and through two movable plates of moving member horizontal slip connection in backup pad one side, two the movable plate is relative, and when the moving member promoted two movable plates and is close to each other, two the movable plate then can press from both sides the non-drive wheel of car tightly between two movable plates.

Preferentially, the moving member includes two fixed plates of vertical setting in backup pad one side, two the movable plate all is located between two fixed plates, two equal level is equipped with the second cylinder on the fixed plate, and the piston rod one end of second cylinder all passes fixed plate and movable plate fixed connection, two one side that the movable plate is close to the backup pad all is equipped with two slides, and arranges from top to bottom two slides, one side level that the backup pad is close to the movable plate is equipped with two rectangular shape spouts, two length direction horizontal slip that do not lie in two spouts and all follow the spout is equallyd divide to two slides on the movable plate.

Preferably, the top end of the supporting plate is provided with an infrared distance meter for detecting the distance between the supporting plate and a non-driving wheel of the automobile, and the infrared distance meter is used for controlling the pushing piece to stop working.

Preferably, the profile of both said moving plates is in the shape of a trapezoid.

Preferentially, it is equipped with the tail gas analysis appearance to roll clamp plate one side, and is equipped with the tail gas probe that is arranged in inserting the vehicle vent-pipe through the connecting wire on the tail gas analysis appearance, and the one end that the tail gas probe is close to the connecting wire is equipped with the baffle of contradicting with the vehicle vent-pipe mouth of pipe, and the baffle deviates from the vertical sliding in one side of connecting wire and is connected with the mounting panel, mounting panel level and mounting panel bottom are equipped with the magnet.

The utility model has the beneficial effects that: when using, only need open the car to rolling the board on, then promote two sliders in the standing groove to the direction horizontal migration that is close to each other through the impeller, after two sliders horizontal migration to suitable position in the standing groove, can fix two non-drive wheels of car through the joint spare that sets up on two sliders, easy operation is fixed effectual, and can fix the car non-drive wheel of different width, and convenience simple to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic structural diagram of a chute embodying the present embodiment;

fig. 3 is an enlarged schematic view of the structure of the portion a in fig. 1.

Description of reference numerals:

in the figure: 1. rolling the plate; 2. a placement groove; 3. a slider; 4. a first cylinder; 5. a support plate; 6. moving the plate; 7. a fixing plate; 8. a second cylinder; 9. a slide plate; 10. a chute; 12. An infrared range finder; 13. a tail gas analyzer; 14. connecting wires; 15. an exhaust gas probe; 16. A baffle plate; 17. a magnet; 18. and (7) mounting the plate.

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.

The utility model provides a chassis dynamometer machine for vehicle operating mode exhaust emissions test, as figure 1, including rolling board 1 and the rectangular shape standing groove 2 of setting on rolling board 1 on the chassis dynamometer machine, and the horizontal migration is connected with two relative sliders 3 in standing groove 2, all is equipped with in standing groove 2 and promotes two sliders 3 and to being close to each other or the impeller of keeping away from in standing groove 2, and one side that two sliders 3 deviate from 2 tank bottoms of standing groove all is equipped with and is used for the fixed joint spare of automobile non-drive wheel.

Like figure 1, when using, only need to open the car to rolling board 1 on, then promote two sliders 3 in standing groove 2 to the direction horizontal migration that is close to each other through the impeller, after two sliders 3 horizontal migration move to suitable position in standing groove 2, can fix two non-drive wheels of car through the joint spare that sets up on two sliders 3, easy operation is fixed effectual, and can fix the non-drive wheel of car of different width, and convenient simple to use.

As shown in fig. 1, the pushing element comprises first cylinders 4 horizontally arranged on two opposite groove walls of the placing groove 2, and one ends of piston rods of the two first cylinders 4 are respectively and fixedly connected with the two sliders 3, so that when the two sliders 3 are required to be pushed to horizontally move in the placing groove 2 in a mutually approaching direction, only the two first cylinders 4 are required to be opened, and at the moment, one ends of the piston rods of the two first cylinders 4 can respectively push the two sliders 3 to move in the placing groove 2 in a mutually approaching or separating direction, and the use is simple and convenient.

As shown in fig. 1, the joint spare includes that vertical setting deviates from backup pad 5 of standing groove 2 tank bottom one side at slider 3 and through two movable plates 6 of moving member horizontal slip connection in backup pad 5 one side, two movable plates 6 are relative, when the moving member promoted two movable plates 6 and is close to each other, two movable plates 6 then can press from both sides the non-drive wheel of car between two movable plates 6, the aim at of this setting is when two sliders 3 horizontal migration move to suitable position in standing groove 2, slider 3 then can drive backup pad 5 and be located non-drive wheel one side of car, the non-drive wheel of car then can be located between two movable plates 6 this moment, then promote two movable plates 6 through the moving member and be close to each other, can press from both sides the non-drive wheel of car between two movable plates 6, and is simple and convenient to use.

Referring to fig. 1 and 2, the moving member includes two fixed plates 7 vertically disposed on one side of the supporting plate 5, two moving plates 6 are disposed between the two fixed plates 7, a second cylinder 8 is horizontally disposed on each of the two fixed plates 7, one end of a piston rod of each second cylinder 8 penetrates through the fixed plate 7 and is fixedly connected with the moving plate 6, two sliding plates 9 are disposed on one sides of the two moving plates 6 close to the supporting plate 5, the two sliding plates 9 are vertically arranged, two elongated sliding grooves 10 are horizontally disposed on one side of the supporting plate 5 close to the moving plates 6, the two sliding plates 9 on the two moving plates 6 are respectively disposed in the two sliding grooves 10 and horizontally slide along the length direction of the sliding grooves 10, the arrangement is to open only the two second cylinders 8 when the two moving plates 6 need to be pushed to approach each other, and at the same time, one ends of the piston rods of the two second cylinders 8 push the two moving plates 6 to approach each other, the use is simple and convenient.

As shown in fig. 1, the top end of the supporting plate 5 is provided with an infrared distance measuring instrument 12 for detecting the distance between the supporting plate 5 and the non-driving wheel of the automobile, the infrared distance measuring instrument 12 is used for controlling the pushing member to stop working, the purpose of the arrangement is to detect the distance between the supporting plate 5 and the non-driving wheel of the automobile through the infrared distance measuring instrument 12, when the pushing member pushes the sliding block 3 to drive the supporting plate 5 to move to one side of the non-driving wheel of the automobile, the infrared distance measuring instrument 12 can control the pushing member to stop working, at the moment, the phenomenon that the supporting plate 5 collides with one side of the non-driving wheel of the automobile due to the error of a worker can be reduced, and the use is simple and convenient.

As shown in fig. 1, the two moving plates 6 are in a trapezoidal shape, and the purpose of the arrangement is that when the two moving plates 6 are in a trapezoidal shape, the contact area between the two moving plates 6 and the non-driving wheels of the automobile can be increased, the moving plates 6 can also be in the shape of a right triangle, and the longest side of the right triangle can be in contact with the non-driving wheels of the automobile, so that the use is simple and convenient.

Referring to fig. 1 and 3, an exhaust gas analyzer 13 is disposed on one side of a rolling plate 1, an exhaust gas probe 15 inserted into an automobile exhaust pipe is disposed on the exhaust gas analyzer 13 through a connecting wire 14, a baffle 16 abutting against the pipe orifice of the automobile exhaust pipe is disposed at one end of the exhaust gas probe 15 close to the connecting wire 14, a mounting plate 18 is connected to one side of the baffle 16 away from the connecting wire 14 in a vertically sliding manner, the mounting plate 18 is horizontal, and a magnet 17 is disposed at the bottom end of the mounting plate 18, so that when the exhaust gas probe 15 is inserted into the automobile exhaust pipe, the baffle 16 is located at the pipe orifice of the automobile exhaust pipe, the magnet 17 can adsorb the outer wall of the automobile exhaust pipe by vertically moving the mounting plate 18, thereby reducing the phenomenon that the exhaust gas probe 15 falls out of the exhaust pipe during automobile detection, and the automobile exhaust gas can be detected through the exhaust gas analyzer 13, the connecting wire 14 and the exhaust gas probe 15, the use is simple and convenient.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a chassis dynamometer machine for vehicle operating mode exhaust emissions test, its characterized in that, including rolling board (1) and setting rectangular shape standing groove (2) on rolling board (1) on the chassis dynamometer machine, and the water level smooth migration is connected with two relative sliders (3) in standing groove (2), all be equipped with in standing groove (2) and promote two sliders (3) to the impeller that is close to each other or keeps away from in standing groove (2), two one side that slider (3) deviate from standing groove (2) tank bottom all is equipped with and is used for the fixed joint spare of automobile non-drive wheel.

2. The chassis dynamometer for testing exhaust emission under the working conditions of the automobile according to claim 1, wherein the pushing member comprises first cylinders (4) horizontally arranged on two opposite groove walls of the placing groove (2), and one ends of piston rods of the two first cylinders (4) are fixedly connected with the two sliding blocks (3).

3. The chassis dynamometer used for the exhaust emission test of the working conditions of the automobile according to claim 1, wherein the clamping member comprises a support plate (5) vertically arranged on one side of the slider (3) far away from the bottom of the placing groove (2) and two moving plates (6) horizontally connected to one side of the support plate (5) in a sliding manner through a moving member, the two moving plates (6) are opposite, and when the moving member pushes the two moving plates (6) to approach each other, the two moving plates (6) clamp the non-driving wheels of the automobile between the two moving plates (6).

4. The chassis dynamometer used for the exhaust emission test of the working condition of the automobile according to claim 3, it is characterized in that the moving part comprises two fixed plates (7) vertically arranged on one side of the supporting plate (5), the two moving plates (6) are respectively positioned between the two fixed plates (7), the two fixed plates (7) are respectively and horizontally provided with a second air cylinder (8), one end of a piston rod of the second cylinder (8) penetrates through the fixed plate (7) to be fixedly connected with the moving plates (6), two sliding plates (9) are arranged on one sides of the two moving plates (6) close to the supporting plate (5), and two slides (9) are arranged from top to bottom, one side level that backup pad (5) is close to movable plate (6) is equipped with two rectangular shape spout (10), two slide (9) on movable plate (6) are equallyd divide and are located two spout (10) respectively and all follow the length direction horizontal slip of spout (10).

5. The chassis dynamometer used for the exhaust emission test of the working condition of the automobile according to claim 3, wherein the top end of the supporting plate (5) is provided with an infrared distance meter (12) used for detecting the distance between the supporting plate (5) and the non-driving wheel of the automobile, and the infrared distance meter (12) is used for controlling the pushing member to stop working.

6. The chassis dynamometer for testing exhaust emission under vehicle conditions of claim 3, wherein the two moving plates (6) are both in a trapezoidal shape.

7. The chassis dynamometer for testing the exhaust emission of the automobile under the working condition of the automobile according to claim 1, wherein a tail gas analyzer (13) is arranged on one side of the rolling plate (1), a tail gas probe (15) inserted into an automobile exhaust pipe is arranged on the tail gas analyzer (13) through a connecting line (14), a baffle (16) abutting against the pipe orifice of the automobile exhaust pipe is arranged at one end, close to the connecting line (14), of the tail gas probe (15), a mounting plate (18) is connected to one side, away from the connecting line (14), of the baffle (16) in a vertically sliding mode, and the mounting plate (18) is horizontal and an iron-absorbing stone (17) is arranged at the bottom end of the mounting plate (18).