SU1097887A1 - Device for checking distance between surfaces - Google Patents

Abstract

A DEVICE TO CONTROL A DISTANCE BETWEEN SURFACES, containing a cylindrical body with base supports on the end, designed to be mounted on one of the surfaces of the tested product, coaxially mounted inside the body with axial displacement of the sleeve made from the side of the base supports and designed for contact with another surface of the controlled article. A cylindrical mandrel spring-loaded relative to the body with a handle at one of the ends, placed in the control process by the other end inside the opening of the test article, a relative position lock of the sleeve and mandrel and a linear displacement sensor mounted on the housing with the possibility of interaction with the sleeve, characterized in that , in order to increase productivity, it is provided with a clamping bar rigidly mounted on the mandrel perpendicular to the axis of symmetry of the support element, the sleeve is made There is a diagonal groove on the end for accommodating the strip in it, and the retainer is made in the form of opposite cylindrical and toroidal grooves, respectively, on the cylindrical surface of the sleeve at its other end and on the mandrel on the side of the handle placed in the cylindrical groove of the spring split ring and balls placed in the toroidal groove and in contact with the ring.

Description

WITH

00 00

|

The invention relates to mechanical engineering and can be used to control the distance between the mating plane of the cylinder head of an engine and the surface of the sealing facet of a valve seat.

A device for controlling the distance between the surfaces is known, comprising a cylindrical body with basic supports on the end, intended to be mounted on one of the surfaces of the test article, coaxially mounted inside the housing with the possibility of axial movement of the sleeve with a supporting element on one of the ends made from the side supports and intended for contacting with another surface of the test article, placed in a sleeve a cylindrical frame spring-loaded relative to the body y with a handle on one of the ends, located in the control process at the other end inside the controlled opening of the article, the relative position of the latch sleeve and the mandrel and linear encoder mounted on the housing to cooperate with the sleeve 1.

However, the known device has the desired performance, since, when monitoring the intake and exhaust valve sockets, the hub support element is rearranged and the indicator is set to zero. In addition, the retainer is made in the form of an expansion screw with the help of a screw pair of a mandrel inserted into the hole of the test item, which also reduces the performance of the control.

The aim of the invention is to increase productivity.

The goal is achieved by the fact that a device for controlling the distance between surfaces, comprising a cylindrical body with base supports on the end, designed to be installed on one of the surfaces of a controlled product, coaxially mounted inside the body with the possibility of axial movement of the sleeve with a supporting element on one of the ends , made from the side of the base supports and intended to contact with another surface of the test product, placed in the sleeve spring-loaded relative to A cylindrical mandrel with a handle on one of the ends, placed in the control process by the other end inside the orifice of the product under test, the latch of the relative position of the sleeve and mandrel and the linear displacement sensor mounted on the housing with the ability to interact with the sleeve, are fixed to the mandrel perpendicular to the axis of symmetry support element based strap, the sleeve is made with a diametrical groove on the end

for placing a strip in it, and the retainer is made in the form of anti-shaking / cylindrical and toroidal grooves, respectively, on the cylindrical surface of the sleeve at its other end and on the mandrel on the handle side, placed in the cylindrical groove of the spring split ring and balls placed in the toroidal groove and contacting

with a ring.

FIG. 1 shows the scheme of the proposed device; in fig. 2 shows section A-A in FIG. one; in fig. 3 is a diagram of the device in its initial state.

The device contains a cylindrical

5 housing 1 with base supports 2 at the end, designed to be mounted on one of the surfaces of the test article 3, coaxially mounted inside the housing 1 with the possibility of axial movement of the sleeve 4 with the supporting element 5 on one of the ends made from the side of the base supports 2 and contact with another surface of the test article 3, placed in sleeve 4 spring-loaded by spring 6 from 5 of housing 1, cylindrical mandrel 7 with handle 8 at one of the ends, placed during control by the other an end inside the opening of the test article 3, rigidly mounted on the mandrel 7 perpendicular to the axis of symmetry of the support element 5, the base bar 9, the latch of the relative position of the sleeve 4 and the mandrel 7, made in the form; oppositely arranged cylindrical and toroidal grooves 10 and 11, respectively, on a cylindrical surface

5 of the sleeve 4 at its other end and on the mandrel 7 from the side of the handle 8 placed in the cylindrical bore 10 of the spring of the split ring 12 and the balls 13 placed in the toroidal bore 11 and contacting with the ring 12, and the sensor 14 linear displacement fixed to The housing 1 with the ability to interact through the pin 15 with the sleeve 4, and through the pin 16 with the mandrel 7.

The device works as follows.

5 In the initial state, under the action of the spring 6, the clamping bar 9 is placed in the groove of the sleeve 4, its bearing surface is flush with the supporting surface of the supporting element 5. The bar 9 and the element 5 are pressed to the housing 1 and through

 The pins 15 and 16 loosen the contacts of the electrocontact sensor 14. The balls 13 are placed in the grooves 10 and 11 and using the ring 12 fix the sleeve 4 on the mandrel 7. When checking the product 3, for example, the valve exhaust seat, the mandrel 7 is inserted into the hole of the product 3 until the base supports 2 rest against the privalochny plane, they press the handle 8, compressing the spring 6. Mandrel 7

with bushing 4 extending from housing I up to the stop of element 5 on the surface of the valve seat, the groove 10 on the bush 4 does not fit into the housing 1, the balls 13 expand the ring 12, move into the cylindrical groove 10 and do not hinder the movement of the mandrel 7 in the bush 4 The movement of the mandrel 7 continues until the bar 9 rests against the controlled surface of the chamfer of the seat 3. The sensor 14 will fix the distance between the controlled surface of the chamfer and the surface of the chamfer through tongue 16.

When inspecting a product 3, for example, an inlet valve seat having a larger diameter than the valve inlet seat, the mandrel 7 is also inserted into the orifice of the product 3 until the base supports 2 are pressed into the mating plane, press the handle 8 and move the mandrel 7 with the bushing 4 relative to the body 1 as far as the support element 5 stops against the controlled surface of the chamfer of the seat 3. At the same time, the groove 10 on the sleeve 4 enters the body 1, which prevents the ring 12 from expanding and, consequently,

the displacement of the mandrel 7 relative to the hub 4. The sensor 14 through the pin 15 fixes the distance between the controlled surface and the chamfer surface.

The dimensions of the support element 5 and the clamping bar 9 are selected in accordance with the diameters of the inlet and exhaust valve seats, i.e. the supporting element 5 is longer in length than the clamping bar 9, which

allows it to pass inside the intake valve. The support member 5 does not penetrate into the outlet valve and is retained by either the surface of the valve seat or the attachment surface.

The proposed device provides a higher performance compared to the known one by supplying it with a clamping bar 9, the length of which differs from the length of the support element 5 as much as the diameters of the intake and exhaust valves differ, and the fixation that fixes and moves the mandrel 7 in the sleeve 4 .

sixteen

Claims (1)

DEVICE FOR CONTROLING THE DISTANCE BETWEEN SURFACES, containing a cylindrical body with base supports at the end, designed to be mounted on one of the surfaces of the controlled product, coaxially mounted inside the body with the possibility of axial movement of the sleeve with the support element on one of the ends, made from the side of the basic supports and designed for contacting with another surface. of the controlled product, a cylindrical mandrel with a handle one of the ends, placed during inspection by the other end inside the hole of the controlled product, a relative position lock of the sleeve and the mandrel and a linear displacement sensor mounted on the housing with the possibility of interaction with the sleeve, characterized in that, in order to increase productivity, it is equipped with a rigidly fixed the mandrel is perpendicular to the axis of symmetry of the support element by the base bar, the sleeve is made with a diametrical groove at the end to accommodate the bar, and the latch is made in the form of falsely arranged cylindrical and toroidal grooves, respectively, on the cylindrical surface of the sleeve at its other end and on the mandrel on the side of the handle located in the cylindrical groove of the spring split ring and balls placed in the toroidal groove and in contact with the ring. SU ..,. 1097887 I