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Special tool for detecting automobile idle speed

A special tool and idling technology, which is applied in the field of automobile inspection tools, can solve the problems of time-consuming and laborious, low detection efficiency, difficult and stable rotation speed of pedaling the accelerator pedal, etc., and achieve the effects of simple and stable operation, convenient production and simple structure.

Active Publication Date: 2010-10-20
江西志骋汽车有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because most of the current domestic automobile inspection lines are carried out by stepping on the accelerator pedal manually, especially when the engine speed is maintained at about 3600 rpm, it is difficult to keep the speed stable by stepping on the accelerator pedal, and the speed can easily exceed the allowable range of detection
Once the speed exceeds the allowable range, the inspection needs to be carried out again, which is extremely time-consuming and labor-intensive, and will affect the cadence of the assembly line of the automobile inspection line
[0004] According to incomplete statistics, the one-time success rate of maintaining a stable speed by manually stepping on the accelerator pedal is about 50%, and the detection efficiency is extremely low.

Method used

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  • Special tool for detecting automobile idle speed
  • Special tool for detecting automobile idle speed
  • Special tool for detecting automobile idle speed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: see figure 1 , figure 2 and image 3 , a special tool for automobile idle speed detection, which includes: a turntable 1, a bracket 2, a threaded rod 3, a claw 4, a limiter 5, and a rocker arm 7, see Figure 4 , the bracket 2 includes a clip bar 21 that is a horizontally elongated "Z" shape, on which a support plate 22 and a positioning block 25 are fixedly welded, and a sleeve 24 is fixedly welded on the support plate 22, and the sleeve 24 is provided with an open slot 26. The opening groove 26 is opened on the side or directly above. The two ends of the sleeve 24 are fixedly welded with a positioning plate 23. The center of the positioning plate 23 is provided with a round hole concentric with the inner hole of the sleeve 24. The threaded rod 3 is a 10mm round steel , one end of which is processed with a thread, and the other end is fixedly welded with a claw 4, and the claw 4 is an inverted "V" shape with an opening downward. The threaded rod 3 is i...

Embodiment 2

[0017] Embodiment 2: a kind of special tool for automobile idle speed detection, threaded rod 3 is a circular steel pipe of 10mm; claw 4 is a trapezoidal opening, and the opening is downward; positioning block 25 adopts cylindrical pin, and other structural forms are similar to embodiment 1.

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Abstract

The invention relates to a special tool for detecting automobile idle speed. A supporting plate is fixedly arranged on a clamping strip; a supporting strip is arranged on the supporting plate; positioning disks are fixed at two ends of the supporting strip; one end, provided with threads, of a threaded rod penetrates through inner holes of the two positioning disks; the middle part of a section, positioned in the two positioning disks, of the threaded rod is provided with a stop ring; a thread end of the threaded rod is connected with a screw cap of a turntable; and a limitator is sleeved on the clamping strip. When the special tool is in use, an inverted V-shaped opening of a claw is hung at a joint of a throttle steel cable at the top end of an acceleration pedal; the clamping strip on a supporting frame supports a convex part in an automobile; and the limitator is used for clamping ribs in an automobile body to ensure that the supporting frame is fixed with the automobile body. A rocking handle on a throttle control turntable is rotated clockwise, and the threaded rod drives the throttle steel cable under the action of the screw cap to ensure that an automobile engine achieves a required idle rotating speed. The special tool is simple and stable to operate, can finish a detection once, and has a very good effect of maintaining the engine at a certain appointed rotating speed during the detection of high and low idle speeds of the automobile.

Description

technical field [0001] The invention relates to a vehicle testing tool, in particular to a special tool for testing the idle speed of a vehicle. Background technique [0002] Cars leave the factory must be strictly inspected, and the existing automobile inspection technology clearly requires testing the emission content of pollutants when the car is idling and double idling. Since the engine needs to be kept at several different idle speeds during this test, this test is also called the high and low idle speed test. [0003] Generally, when a car performs high and low idle speed detection, it takes about 40 seconds from the start to the completion, of which 30 seconds is to maintain the engine speed at about 3600 rpm. Because most of the current domestic automobile inspection lines are carried out by stepping on the accelerator pedal manually, especially when the engine speed is maintained at about 3600 rpm, it is difficult to keep the speed stable by stepping on the accele...

Claims

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Application Information

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IPC IPC(8): G01M17/007G01M15/02G01M15/10
Inventor 韩强刘红红任铁
Owner 江西志骋汽车有限责任公司