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Chassis dynamometer rotating hub tension and compression sensor mounting structure and mounting method thereof

A technology of tension and compression sensors and chassis dynamometers, which is applied in the field of dynamometers, can solve the problems of occupying a very large underground space, increasing the axial size, and large axial size, and achieve simple and high testing, reducing space occupation, and speed easy to control effects

Active Publication Date: 2021-07-16
HUBEI HUANYEE ELECTROMAGNETIC EQUIP ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dynamometer can be used for the dynamometer test of vehicles in multiple environments, but the axial dimension is relatively large and occupies more axial space. Especially in order to obtain the torque of the drive shaft, the torque measuring device is installed between the two shafts The axial dimension is greatly increased. For the dynamometer test of multiple wheels of large trucks, it will take up a very large underground space.

Method used

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  • Chassis dynamometer rotating hub tension and compression sensor mounting structure and mounting method thereof
  • Chassis dynamometer rotating hub tension and compression sensor mounting structure and mounting method thereof
  • Chassis dynamometer rotating hub tension and compression sensor mounting structure and mounting method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as figure 1 As shown, a chassis dynamometer hub tension and pressure sensor installation structure, including a support frame 1, the support frame 1 is provided with a transmission shaft 2, one end of the transmission shaft 2 protrudes from the support frame 1 and is connected to There is a rotating hub 3; the drive shaft 2 is sleeved with a drive assembly at the position above the support frame 1, and the casing 4 of the drive assembly is connected to the drive shaft 2 through a first transmission bearing. A bearing assembly 5 is connected between the casing 4 and the support frame 1; several mounting plates 403 are axially provided on the outer circumference of the casing 4, and a pull seat 6 is installed on one of the mounting plates 403; The pull base 6 is movably connected with a pull rod assembly 7, and the other end of the pull rod assembly 7 is connected with a tension and pressure sensor 8, and the tension and pressure sensor 8 is arranged on a mounting fr...

Embodiment 2

[0054] This embodiment provides an installation method for the installation structure of the tension and pressure sensor of the chassis dynamometer hub, the installation method includes installing a drive assembly on the transmission shaft 2 connected to the rotation hub 3, the transmission shaft 2 and the The drive assembly is installed on the mounting base 10 through the bearing assembly 5, and the mounting base 10 is arranged on the support frame 1; the tension and pressure sensor 8 is installed on the outer wall of the support frame 1 through the mounting frame 9 and makes the tension and pressure The central axis of the sensor 8 is perpendicular to the central axis of the transmission shaft 2, and the tension and pressure sensor 8 is vertically connected with a pull rod assembly 7, and the pull rod assembly 7 is connected and fixed to the machine of the drive assembly through the pull seat 6. shell4.

[0055] This installation method is simple and effective, and can maint...

Embodiment 3

[0057] This embodiment provides a usage state of the chassis dynamometer in the first embodiment.

[0058] Such as Figure 9 As shown, two sets of four rotating hubs 3 are arranged in parallel in the dynamometer platform. The dynamometer platform is arranged in the pit, the upper surface is flush with the ground, and only a part of the arc of the rotating hub 3 is exposed on the ground. Above, for the vehicle to drive to the hub 3 for dynamometer test; the tension and pressure sensors are all located in the underground part. During the test, it is not necessary for personnel to frequently go down the pit, and the tension and pressure sensors can be obtained directly through the host computer. The detection data obtained by the sensor.

[0059] Usually the arrangement of the hub, transmission shaft and motor of the chassis dynamometer will take up a lot of space, but the chassis dynamometer in this application adopts a compact design to minimize the axial and circumferential d...

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Abstract

The invention discloses a chassis dynamometer rotating hub tension-compression sensor mounting structure and a mounting method thereof. The chassis dynamometer rotating hub tension-compression sensor mounting structure comprises a support frame, a transmission shaft and a rotating hub, wherein the transmission shaft is sleeved with a driving assembly, a machine shell of the driving assembly is connected with the transmission shaft through a first transmission bearing, and a bearing assembly is connected between the machine shell and the supporting frame; a plurality of mounting plates are axially arranged on the outer circumference of the machine shell, and a pull seat is mounted on at least one mounting plate; the pulling seat is movably connected with a pulling rod assembly, the other end of the pulling rod assembly is connected with a pulling and pressing sensor, the pulling and pressing sensor is arranged on a mounting frame, and the mounting frame is fixedly arranged on the supporting frame; the central axis of the tension and compression sensor is perpendicular to the central axis of the transmission shaft. The mounting structure is simple and compact, is easy to manufacture and mount, and can effectively obtain the stress condition of the transmission shaft.

Description

technical field [0001] The invention relates to the technical field of dynamometers, in particular to an installation structure and an installation method for tension and pressure sensors of a hub of a chassis dynamometer. Background technique [0002] Chassis dynamometer is an indoor bench test equipment used to test the performance of automobiles and engineering vehicles, multi-condition emission indicators, fuel indicators, and pure electric cruising range. The chassis dynamometer simulates the road surface through the roller, and calculates The road simulation equation is simulated with a loading device to realize accurate simulation of various working conditions of automobiles and engineering vehicles. It can be used for loading and debugging of automobiles and engineering vehicles, and diagnoses faults of vehicles under load conditions; the chassis dynamometer is easy to use , reliable performance, not affected by external conditions. On the premise of not dismantling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007G01M13/027G01M13/025G01L1/26
CPCG01M17/007G01M13/027G01M13/025G01L1/26
Inventor 赵斌徐伟刘汉光周磊朱聪聪
Owner HUBEI HUANYEE ELECTROMAGNETIC EQUIP ENG TECH CO LTD
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