Auxiliary flexible tooling and method for detection of rail vehicle axlebox spring adhesion strength

Abstract

The invention discloses an auxiliary flexible tool for detection of adhesion strength of a railway vehicle journal box spring. The auxiliary flexible tool comprises a horizontal circular chassis, a support frame arranged on the chassis and used for supporting a journal box spring and a position adjustment power mechanism for adjusting the position of the support frame on the chassis. An outer control system coordinates and controls opening and closing of the position adjustment power mechanism. The auxiliary flexible tool is characterized in that the support frame is composed of at least two support arms, the support arms are arranged along the same circumferential line on the chassis at an interval, the position adjustment power mechanism is transmission-connected to the support arms, and the position adjustment power mechanism is started to drive the support arms to radially and synchronously move so that the support frame radially extends or is drawn along the chassis. The auxiliary flexible tool realizes automatic adjustment of the size of the journal box spring according to the size of the journal box spring to be detected and has strong universality. The invention also provides a method for detection of adhesion strength of a railway vehicle journal box spring.

Description

technical field [0001] The invention relates to an auxiliary flexible tooling for detecting the adhesion strength of a rail vehicle axle box spring, which is used for the detection of the adhesion strength of a rail vehicle axle box spring. The invention also relates to a method for detecting the adhesion strength of the rail vehicle axle box spring. Background technique [0002] The axle box spring plays the role of bearing and damping vibration vertically during the running of the train, and transmits the traction, braking load and lateral guiding load. Because of its simple and convenient installation and life-long maintenance-free features, it is widely used in subways, light rails and low-speed railways. in the floor car. [0003] The main structure of the axle box spring is as follows: figure 1 As shown, from the inside to the outside are the mandrel, the diaphragm and the outer case, wherein the mandrel, the diaphragm and the outer case are vulcanized and connected ...

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Problems solved by technology

[0005] 1. One size of auxiliary support tooling can only correspond to one size of axle box spring. The auxiliary support tooling has no versatility. It takes a lot of time and manpower to replace auxiliary support tooling of different sizes during the inspection process. Adapt to testing of axlebox springs of different sizes

[0006] 2. Auxiliary support tooling of various sizes is large in quantity, large in size, takes up a large storage space, and is difficult to store and manage

[0007] 3. The contact area between the top of the shaft-assisted support tooling and the bottom of the axle box spring jacket is relatively large, and the risk of collision with the axle box spring jacket during the vertical pressurization process is high

[0008] Therefore, develop a kind of flexible auxiliary tooling that can change with the dimensional change of axle box spring to be detected, overcome the auxiliary supporting tooling in the prior art, have no versatility, the labor intensity of remodeling is large, the detection time is long, the efficiency is low, and storage Occupying a large space, difficult to manage and easy to damage the defects of detection products is the purpose of the present invention research

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