SU438896A1 - A device for testing the tightness of the cores of liquid radiators of internal combustion engines - Google Patents

Description

one

The invention relates to the field of engine-building, in particular to stands and devices for testing engine components and parts for tightness.

Air-tightness testing devices for liquid radiator cores of internal combustion engines are known, including a water-filled box with end flanges provided with gaskets of elastic material.

However, such devices do not provide quick installation and removal of the radiator during testing, since for each radiator it is necessary to disassemble (assemble) the end flanges.

In order to accelerate the installation and removal of the radiator core when testing the improvement of its repair, the box of the proposed device is made with an elastic element (for example, in the form of a bellows), which allows it to deform (compress) in the longitudinal direction using rotary eccentrics with handles acting on at least one of the end flanges of the duct.

With such a constructive design, the installation and removal of the radiator core during testing is accelerated and the convenience of its repair is improved.

FIG. 1. Depicts the described device, plan view; in fig. 2 is a section along A-A in FIG. one; in fig. 3 is a section along BB in FIG. one; in fig. 4 - a variant of the proposed device with a four-wall box.

The device consists of a three-walled duct 1 (Fig. 1, 2) made with an elastic element 2, for example, in the form of a bellows, connected to the front chute 3. The flanges 4 of the box 1 and the chute 3 are glued with gaskets 5 of elastic material, for example rubber 5-8 mm.

To compress the box along the longitudinal axis, an eccentric 6 articulated with thrust 7 (Fig. 3) with a finger 8 is provided. The ha 7 is attached to the thrust plate by 9 nuts 10.

To lock the box, use the stop screws 11.

During the test of the core radiator, the box 1 is connected to the support (not shown in the drawing ax) with the help of the bracket 12 and fixed in a horizontal position with a clamp (not shown in the drawings). Then, through the fitting 13 (Fig. 3), the box 1 is filled with water and, due to its leakage through the core, the places (zones) of depressurization are revealed.

Depending on the dimensions of the radiator core, a box of the appropriate size is used. In the case of a four-wall box (Fig. 4), the removable wall 14 is pressed against the three-step box 1 when

relief clamps 15. gaskets 16 of elastic material are glued to the mating surfaces of wall 14. In order to communicate the duct cavity with the atmosphere, a valve -17 is provided on the wall 14.

The installation of the core of the radiator in the box 1 is carried out as follows.

Box 1 using eccentrics 6 is compressed in the longitudinal direction. The radiator core is installed into the duct 1 and the elastic element 2 is unloaded with the help of eccentrics 6. The degree of expansion of the duct is fixed by means of screws 11.

As a result, the supporting β-plates of the core with a three-sided duct form a bath (trough), and the ends of the tubes, attached to the supporting plates, and the water mirror are connected to the atmosphere. Thus, when filling with water, there will only be leakage from the damaged tubes and from the points of lagging of the ends of the tubes from the support plates.

Subject invention

Claims (2)

1. A device for testing the tightness of the cores of liquid radiators of internal combustion engines, including a water-filled box with end flanges fitted with gaskets of elastic material, characterized in that, in order to speed up the installation and remove the radiator core when tested and improve its repair convenience The box is made with an elastic element (for example, in the form of a bellows), allowing it to be deformed (compressed) in the longitudinal direction. 2. The device according to claim 1, characterized in that, in order to more easily and quickly compress the box, it is equipped with rotary eccentrics with handles acting on at least one of the end flanges of the box. BUT eleven T sh. one A-A FIG.