CN213985480U

CN213985480U - Motor vehicle chassis dynamometer

Info

Publication number: CN213985480U
Application number: CN202120240920.6U
Authority: CN
Inventors: 朱琳; 陆海龙
Original assignee: Anhui Xiayang Motor Vehicle Testing Co ltd
Current assignee: Anhui Xiayang Motor Vehicle Testing Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-08-17
Anticipated expiration: 2031-01-28

Abstract

The application relates to the technical field of motor vehicle dynamometer, and discloses a motor vehicle chassis dynamometer, which comprises a mounting plate, wherein an engine is fixedly connected inside the mounting plate, a rotating rod is fixedly connected at the output end of the engine, a first roller is fixedly connected at the other end of the rotating rod, a first coupler is fixedly connected at the other end of the first roller, a second roller is fixedly connected at the other end of the first coupler, a first connecting rod is fixedly connected at the other end of the second roller, a first bearing is fixedly connected inside the mounting plate, a third roller is movably connected inside the first bearing, a second coupler is fixedly connected at the other end of the third roller, a fourth roller is fixedly connected at the other end of the second coupler, a second connecting rod is fixedly connected at the other end of the fourth roller, sleeves are fixedly connected at two sides of the first roller, the second roller, the third roller and the fourth roller, the outer side of the barrel sleeve is fixedly connected with a threaded bolt, and two sides of the barrel sleeve are fixedly connected with limiting rods.

Description

Motor vehicle chassis dynamometer

Technical Field

The application relates to the field of motor vehicle dynamometer, in particular to a motor vehicle chassis dynamometer.

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. Chinese utility model patent with publication number CN203037390U discloses an automobile chassis dynamometer, first initiative cylinder with the coaxial hookup of second initiative cylinder, first driven cylinder with the coaxial hookup of second driven cylinder adopts synchronous belt drive between initiative cylinder and driven cylinder, strengthens its synchronism, can reduce mechanical resistance, improves testing result stability, has set up anti-motor that drags again, can measure the power loss of chassis dynamometer itself during the use, can improve the accuracy of final testing result, and the lifting of an organic whole design bears the device installation simply, with low costs. However, the roller of the motor vehicle chassis dynamometer is seriously worn after long-time work measurement, the measurement accuracy of the chassis power is inaccurate due to insufficient friction between a vehicle and the roller, and the roller is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problems, the present application provides a motor vehicle chassis dynamometer.

The motor vehicle chassis dynamometer provided by the application adopts the following technical scheme:

a motor vehicle chassis dynamometer comprises a mounting plate, wherein an engine is fixedly connected inside the mounting plate, a rotating rod is fixedly connected at the output end of the engine, a first roller is fixedly connected at the other end of the rotating rod, a first coupler is fixedly connected at the other end of the first roller, a second roller is fixedly connected at the other end of the first coupler, a first connecting rod is fixedly connected at the other end of the second roller, a first bearing is fixedly connected inside the mounting plate, a third roller is movably connected inside the first bearing, a second coupler is fixedly connected at the other end of the third roller, a fourth roller is fixedly connected at the other end of the second coupler, a second connecting rod is fixedly connected at the other end of the fourth roller, and sleeve sleeves are fixedly connected at two sides of the first roller, the second roller, the third roller and the fourth roller, the outer side of the barrel sleeve is fixedly connected with a threaded bolt, and two sides of the barrel sleeve are fixedly connected with limiting rods.

Preferably, the outer side of the rotating rod is fixedly sleeved with a second bearing, and the second bearing is fixedly installed on the installation plate.

Through adopting above-mentioned technical scheme, prevent that first cylinder and second cylinder from breaking away from the mounting panel at the rotation in-process.

Preferably, the other end of the second connecting rod is fixedly connected with a limiting seat, and the limiting seat is fixedly installed on the installation plate.

Through adopting above-mentioned technical scheme, prevent that third cylinder and fourth cylinder from breaking away from the mounting panel at the rotation in-process.

Preferably, the inside fixedly connected with speedtransmitter and pressure sensor of mounting panel, speedtransmitter and pressure sensor and third cylinder and fourth cylinder fixed connection, anti-skidding line has been seted up in the outside of first cylinder, second cylinder, third cylinder and fourth cylinder, the below of first cylinder, second cylinder, third cylinder and fourth cylinder all is provided with the cylinder.

Through adopting above-mentioned technical scheme, speed sensor and pressure sensor can measuring device motor vehicle bottom plate speed and the pressure that produces in the course of the work, and the anti-skidding line in the cylinder outside prevents that the in-process frictional force is not enough at the measuring, leads to the vehicle skew and measures the not accurate problem inadequately.

In summary, the present application includes at least one of the following beneficial technical effects:

cup joint in the outside of cylinder through the barrel casing activity, can conveniently use the cooperation of gag lever post and screw bolt to the timely change of wearing and tearing cylinder, conveniently to telescopic fixed with dismantle prevent to measure the measuring accuracy that the frictional force between vehicle and the cylinder is not enough to lead to chassis power inaccurate, simultaneously owing to avoid the motor vehicle to break away from detection device's effect to a certain extent.

Drawings

Fig. 1 is a schematic structural diagram of a motor vehicle chassis dynamometer according to an embodiment of the present application.

FIG. 2 is a side view of a first drum in the motor vehicle chassis dynamometer of the embodiment of the application.

Fig. 3 is an enlarged view of the structure at a in fig. 1 of the motor vehicle chassis dynamometer according to the embodiment of the present application.

Description of reference numerals: 1. mounting a plate; 2. an engine; 3. a rotating rod; 4. a first drum; 5. a first coupling; 6. a second drum; 7. a first connecting rod; 8. a first bearing; 9. a third drum; 10. a second coupling; 11. a fourth drum; 12. a second connecting rod; 13. a barrel sleeve; 14. a threaded bolt; 15. a limiting rod; 16. a second bearing; 17. a speed sensor; 18. a pressure sensor.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a motor vehicle chassis dynamometer. Referring to fig. 1-3, a motor vehicle chassis dynamometer includes a mounting plate 1, an engine 2 is fixedly connected inside the mounting plate 1, an output end of the engine 2 is fixedly connected with a rotating rod 3, the other end of the rotating rod 3 is fixedly connected with a first roller 4, the other end of the first roller 4 is fixedly connected with a first coupling 5, the other end of the first coupling 5 is fixedly connected with a second roller 6, the other end of the second roller 6 is fixedly connected with a first connecting rod 7, the inside of the mounting plate 1 is fixedly connected with a first bearing 8, the inside of the first bearing 8 is movably connected with a third roller 9, the other end of the third roller 9 is fixedly connected with a second coupling 10, the other end of the second coupling 10 is fixedly connected with a fourth roller 11, the other end of the fourth roller 11 is fixedly connected with a second connecting rod 12, sleeves 13 are fixedly connected to two sides of the first roller 4, the second roller 6, the third roller 9 and the fourth roller 11, the outer side of the barrel sleeve 13 is fixedly connected with a threaded bolt 14, and two sides of the barrel sleeve 13 are fixedly connected with limiting rods 15.

Referring to fig. 1, the outer side of the rotating rod 3 is fixedly sleeved with a second bearing 16, the second bearing 16 is fixedly installed on the installation plate 1, and the second bearing 16 plays a role in limiting and stably installing the first roller 4 and the second roller 6, so that the first roller 4 and the second roller 6 are prevented from being separated from the installation plate 1 in the rotating process.

Referring to fig. 1, the other end of the second connecting rod 12 is fixedly connected with a limiting seat, the limiting seat is fixedly mounted on the mounting plate 1, the limiting seat plays a role in limiting and stabilizing the mounting of the third roller 9 and the fourth roller 11, and the third roller 9 and the fourth roller 11 are prevented from being separated from the mounting plate 1 in the rotating process.

Referring to fig. 1, the inside fixedly connected with speed sensor 17 and pressure sensor 18 of mounting panel 1, speed sensor 17 and pressure sensor 18 and third cylinder 9 and fourth cylinder 11 fixed connection, first cylinder 4, second cylinder 6, anti-skidding line has been seted up in the outside of third cylinder 9 and fourth cylinder 11, first cylinder 4, second cylinder 6, the below of third cylinder 9 and fourth cylinder 11 all is provided with the cylinder, speed sensor 17's model is YY920, pressure sensor 18's model is HQ 308. Can measuring device motor vehicle bottom plate speed and the pressure that produces in the course of the work through speed sensor 17 and pressure sensor 18, the cylinder can make the cylinder raise, and the anti-skidding line in the cylinder outside prevents that the in-process frictional force that is measuring is not enough, leads to the vehicle skew and measures the not accurate problem inadequately.

The implementation principle of the motor vehicle chassis dynamometer in the embodiment of the application is as follows: when the chassis power of the motor vehicle is detected, four wheels of the motor vehicle are respectively positioned on a first roller 4, a second roller 6, a third roller 9 and a fourth roller 11, the model of an engine 2 is JT100, the engine 2 drives a rotating rod 3 fixedly installed at the output end of the engine to rotate, the rotating rod 3 is fixedly connected with the first roller 4, the rotating rod 3 drives the first roller 4 to rotate, the outer side of the first roller 4 is fixedly connected with a first coupler 5, the first coupler 5 can drive the second roller 6 to rotate, the third roller 9 and the fourth roller 11 can synchronously rotate with the first roller 4 and the second roller 6, the speed of the vehicle can be measured through a speed sensor 17 by the rotating speed of the rollers, so that the actual output power of the chassis of the vehicle is achieved, the upper surface of the rollers is provided with anti-skid patterns, and the anti-skid patterns on the rollers are worn in the long-time use process, not only can bring the error to measuring result and still can lead to because of frictional force is not enough, and the car deviates out measuring device at the measuring in-process and causes danger, through the outside of overlapping barrel casing 13 at the cylinder, passes barrel casing 13 through threaded bolt 14 and extends in the inside of cylinder, recycles gag lever post 15 and pegs graft spacingly with barrel casing 13 and cylinder to play the effect of fixed cylinder. After a certain time of use, the threaded bolt 14 and the limiting rod 15 are pulled out from the outer side of the barrel sleeve 13, so that the fixing and limiting effect can be relieved, the effect of conveniently replacing the roller can be achieved, and the measuring precision is more accurate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a motor vehicle chassis dynamometer, includes mounting panel (1), its characterized in that: the inner part of the mounting plate (1) is fixedly connected with an engine (2), the output end of the engine (2) is fixedly connected with a rotating rod (3), the other end of the rotating rod (3) is fixedly connected with a first roller (4), the other end of the first roller (4) is fixedly connected with a first coupler (5), the other end of the first coupler (5) is fixedly connected with a second roller (6), the other end of the second roller (6) is fixedly connected with a first connecting rod (7), the inner part of the mounting plate (1) is fixedly connected with a first bearing (8), the inner part of the first bearing (8) is movably connected with a third roller (9), the other end of the third roller (9) is fixedly connected with a second coupler (10), the other end of the second coupler (10) is fixedly connected with a fourth roller (11), the other end of the fourth roller (11) is fixedly connected with a second connecting rod (12), the drum comprises a first drum (4), a second drum (6), a third drum (9) and a fourth drum (11), wherein a drum sleeve (13) is fixedly connected to the two sides of the first drum, the second drum, the third drum and the fourth drum, a threaded bolt (14) is fixedly connected to the outer side of the drum sleeve (13), and limiting rods (15) are fixedly connected to the two sides of the drum sleeve (13).

2. The automotive chassis dynamometer according to claim 1, wherein: the outer side of the rotating rod (3) is fixedly sleeved with a second bearing (16), and the second bearing (16) is fixedly installed on the installation plate (1).

3. The automotive chassis dynamometer according to claim 1, wherein: the other end of the second connecting rod (12) is fixedly connected with a limiting seat, and the limiting seat is fixedly installed on the installation plate (1).

4. The automotive chassis dynamometer according to claim 1, wherein: the inside fixedly connected with speedtransmitter (17) and pressure sensor (18) of mounting panel (1), speedtransmitter (17) and pressure sensor (18) and third cylinder (9) and fourth cylinder (11) fixed connection, anti-skidding line has been seted up in first cylinder (4), second cylinder (6), the outside of third cylinder (9) and fourth cylinder (11), first cylinder (4), second cylinder (6), the below of third cylinder (9) and fourth cylinder (11) all is provided with the cylinder.