Unlock instant, AI-driven research and patent intelligence for your innovation.

A final inspection test device for tractor hydraulic lifting system

A technology of hydraulic lifting and testing device, which is applied in the testing of fluid pressure actuation systems, fluid pressure actuation devices, mechanical equipment, etc., can solve the problems of manual connection, manual recording, hidden safety hazards, etc. Efficiency, the effect of avoiding personal safety hazards

Inactive Publication Date: 2019-08-16
JILIN UNIV
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with the efficient and reliable detection requirements, the detection of the current tractor hydraulic lifting device still stays in manual coupling, manual recording, time-consuming and labor-intensive, and there are great safety hazards in the operation process

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A final inspection test device for tractor hydraulic lifting system
  • A final inspection test device for tractor hydraulic lifting system
  • A final inspection test device for tractor hydraulic lifting system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] see figure 1 , a tractor hydraulic lifting system final inspection test device, which is composed of a standard loading rod 5 installed on the tractor 3 to be tested, a hydraulic mounting mechanism 1, a control system 2, a video guidance system 4, a hydraulic pump station 6 and a control circuit 21, The hydraulic pipeline 61 is formed to complete the rapid and automatic detection of the hydraulic lifting capacity of the off-line tractor. The specific test implementation method is: after the basic parameters of the tractor 3 to be tested are entered, the applicable standard loading rod 5 is selected according to the model, and is manually installed on the lower swing arm of the tractor to be tested; the tractor is reversed by the operator and enters the hydraulic lift test area, The video guidance system 4 uses the large display screen 41 directly in front of the tractor to display the "reversing image" according to the cameras 42 above and to the side of the hydraulic l...

Embodiment 2

[0022] see figure 2 , the standard loading rod 5 can be installed on the lower swing arm of the tractor by a two-point connection method, and the pin shaft 52 penetrates into the shaft hole of the lower swing arm of the tractor to be tested, and the pin penetrates into the pin hole 51 to prevent the standard loading rod 5 from The lower arm comes off. The standard loading rod 5 is composed of a pin shaft 52 , a connecting flange 53 , a loading main rod 54 , and a mounting area 55 divided by an isolation ring 56 . The pin shaft 52 can be selected according to the power parameters of the tractor 3 to be tested and the form of the hitch mechanism, and the pin shaft 52 with different parameters can be selected, and the flange plate 53 is used to install it on the main loading rod 54. The middle part of the loading rod is provided with a mounting area 55 in the width range 200-300mm, isolated by multiple isolation rings 56, the distance between the isolation rings 56 is 70-100mm,...

Embodiment 3

[0024] see image 3, the hydraulic mounting mechanism 1 is controlled by the video guidance system 4 and the control system 2 to realize actions such as hook attachment, constant loading, and decoupling. The hydraulic loading mechanism 1 is composed of a loading hydraulic cylinder 14, a fixed seat 13 connected to the ground, a loading hook 16 on the hydraulic mandrel, an inclination adjustment hydraulic cylinder 12, a tension sensor 15, an inclination sensor, a displacement sensor, and a hydraulic pipeline 61. The front end of the hydraulic ejector rod is connected with a mounting hook 16 through a tension sensor 15, which cooperates with the mounting area 55 of the standard loading rod 5, and faces the opening in the direction of the standard loading rod 5 of the tractor; the inclination adjustment hydraulic cylinder 12 is adjusted according to the video analysis results The tilt angle and height of the loading hydraulic cylinder 14 are connected to the standard loading rod 5...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a final inspection test device for a hydraulic lifting system of a tractor. The final inspection test device is used in the whole tractor inspection link before off-line factory leaving of tractor production enterprises and constituted by a standard loading rod, a hydraulic mounting mechanism, a video guiding system, a hydraulic pump station and a control system. The standard loading rod is mounted on a tractor hydraulic lifting lower swing arm. The video guiding system guides a driver to accurately control the tractor backing hanging position through a display screen according to the relative position of a middle mounting area of the standard loading rod and a mounting hook of the hydraulic mounting mechanism, wherein the display screen is hung in the front of thetractor. The mounting hook of the hydraulic mounting mechanism automatically adjusts the inclination and height according to video analysis of a video guiding unit, and thus when the tractor is backed, the standard loading rod is hung on the hydraulic mounting mechanism. Through the standard loading rod, pin shaft hanging which can only be manually completed in a test area originally is changed into automatic hanging in the test area, the operation difficulty is greatly reduced, the efficiency is improved, and personal potential safety hazards in the test area are avoided.

Description

technical field [0001] The invention relates to a device for inspecting the quality of a complete tractor, in particular to a device for inspecting the qualification of a hydraulic lifting system before the tractor leaves the factory. Background technique [0002] The lifting capacity of tractor hydraulic suspension is one of the important performance indicators of tractor products, and it is also one of the basic and necessary test items that must be carried out before tractors leave the factory. System operation, assembly reliability. At present, domestic and foreign tests on tractor hydraulic lifting capacity are mainly based on the weight method and hydraulic cylinder loading method to simulate the load conditions when the tractor tows agricultural implements; at the same time, according to the different purposes of performance testing and offline testing, the investigation There are differences between the index parameters and test items. For example, the performance ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F15B19/00
CPCF15B19/007
Inventor 金敬福韩丽曼贺连彬姚飞李凯殷世琦丛茜
Owner JILIN UNIV