RU33200U1 - Clutch three-way tension coupling - Google Patents

Description

THREE-WAY TENSION COUPLING CRANE

The utility model relates to general engineering, to the components and parts of machines that ensure their normal operation, in particular to multi-way cranes with rotary spindle plugs and can be used in hydraulic and gas systems of industrial pipe fittings.

A known design of the crane, comprising a housing with input and output hubs, at the base of which are mounted a spindle resting on the seat of the shut-off valve, are mounted on the base of the sleeve sleeve, pressure nut, cover, gasket, cord packing. 1,2

The crane shows high performance in low pressure hydraulic systems.

The lack of a tap is manifested in limited technological capabilities, including the uncontrollability of gauge pressure in networks.

The closest technical solution to be adopted as a prototype is the design of a three-way tension coupling sleeve crane, including three coupling housings, through the base of which a conical rotary step plug with passage channels is passed, resting on the housing and tube tension means, made in the form of a threaded joint mounted on the lower tail of the tube , thrust washers and nuts resting on the body, the upper shank of the cork is equipped with a tetrahedron for attaching the handwheel or handle. 3

The design of the crane allows one of the couplings to connect a control pressure gauge.

The disadvantage of the crane is manifested in limited technological capabilities, due to imperfections in the design of hexagonal couplings that limit the connection of the crane to the network, having pipelines of different cross sections. In addition, the design of the means of tensioning the plug is not reliable enough due to the tendency to leak the crane because requires regular tightening of the threaded connection as the conical mating plug-housing is worn.

The utility model is based on the task of expanding technological capabilities and increasing the reliability of the crane.

MPKR16K 5 / 00.11 / 00

The task is achieved by the fact that in the design of the three-way tension coupling sleeve, including three coupling housing, through the base of which a conical rotary step plug with passage channels is passed, supported by a cone in the housing and tube tension means, according to the utility model, the tube tension means is mounted on the base of the housing by means of a threaded connection: union nut-base, clamping washer, gasket and support washer, and the height of the conical step of the cork turns out deeper well, the inlet landing hole of the base of the housing, and the angle of conicity of the plug and housing is made with a ratio of 1 / (7..10), while on the outer surface of the couplings there are equidistant spaced tides in the form of four flats for an instrumental, for example, open-end wrench.

In the crane, the mating surfaces of the body and plugs are made with different hardness.

In the crane, one of the couplings is made in the form of a fitting and is equipped with a foot for a control pressure gauge.

In the crane, the upper spindle shank is equipped with a standard handle, the axis of which forms an obtuse angle with the vertical axis of the tube.

For a better understanding, a utility model is illustrated in the drawing, where FIG. 1-general view of the crane with couplings of the same flow area; FIG. 2 is a side view of the crane of FIG. 1;

Fig.Z is a view of a tap with a fitting coupling and with a socket in another coupling for a small diameter process pressure gauge; Fig. 4 is a side view of the crane of Fig. 3;

Fig.Z - view of the crane with the coupling, made in the form of a fitting and provided with a foot for a control pressure gauge; Fig.6 is a side view of the crane in Fig.Z; Fig.7 is a General view of a crane with tides in the form of four flats;

The design of the three-way pull-coupler valve of FIG. 1-7 includes a three-sleeve housing 1, through the base 2 of which a conical rotary step plug 3 is passed with a passage channel 4 and a channel perpendicular to it 5. The conical surface 6 of the plug 3 rests on a conical surface 7 made in the housing 1. Channels 4 and 5 perform in traffic jam 3, by

drilling after grinding surfaces 6 and 7 to each other. The means 8 for tightening the plug 3 is mounted on the base 2 of the housing 1 by means of a threaded connection: a union nut 9-base 2, a clamping washer 10, a seal 11 and a supporting washer 12. The height H of the conical step of the plug 3 is higher than the depth h of the inlet bore 13 of the base 2 the housing 1 to create a condition of guaranteed tightness of the crane in the area of the means 8 of the tension of the plug 3, while in some cases the material of the support washer 12 is selected with the possibility of leakage of sealing in the gap between the plug 3 and zling orifice 13. To improve the operability of the crane, due abradability angle of the conical surface 6 and conical surface 7 experimentally detected with a ratio 1 / (7, 10).

The surface 6 of the casing 2 conjugated to each other and the surface of the cork 3 can be made with different hardness, while the surface 6 of the casing 2 is made with a hardness within 3 ... 7% higher than the hardness of the surface 7 of the cork 3 to ensure self-adhesion of these surfaces in the process crane operation.

To expand the technological capabilities of the crane according to Fig. 3, 4, it is performed with a fitting-coupling 14 for the supply medium and with a socket 15 in another coupling 16 for using a technological gauge of small diameter.

In the design of the crane of FIGS. 3, 6, one of the couplings 17 can be made in the form of a fitting and provided with a foot 18 for using a control gauge of large diameter.

On the outer surface of the couplings for manufacturability of crane manufacturing, equidistant tides in the form of four flats 19 for the use of all types of keys, including and a spanner instead of a low-tech hexagon prototype.

To facilitate the use of the crane in hard-to-reach places, it is convenient that the shank of the plug 3 is equipped with a standard handle 20, the axis of which forms an obtuse angle a with the vertical axis of the plug 3. Three couplings 21 can be of different sizes depending on the pipe fittings and the type of pressure gauge.

Industrial tests of the claimed design of the crane showed its versatility when built into the network for working with both liquid media and gaseous media. The crane is universal and can be applied as if changing

the diameter of the cross-section of the pipeline supplying the medium and when changing the modification of the technological pressure gauge or control pressure gauge.

Known analogues of taps, as shown by comparative tests, have strictly limited applicability with respect to their integration in the network with one given standard size of the cross section of the pipelines and with one specified modification of the pressure gauge.

The industrial application of the crane is being prepared in the CIS and abroad.

Sources of information.

1.SG.Suvorov et al. Engineering drawing, reference book, Moscow, Engineering, 1984, p.271

2. Industrial pipe fittings, directory-directory, part 1, Moscow, 1967, p. 3233.

3. Mulev Yu.V. RU patent on the application No. 98500435/49, three-way valve, IPC F16K 5/00, 11/00, MKPO 23-01, 04/23/98.

Applicant Yu.V. Mulev

Patent Attorney .A. Khlebtsevich

Claims (4)

1. Three-way tension coupling coupling, including a three-coupling housing, through which a conical rotary step plug with passage channels is passed, supported by a cone in the housing and tube tension means, characterized in that the tube tension means is mounted on the housing base by means of a threaded connection: union nut -base, clamping washer, seal and support washer, and the height of the conical step of the plug exceeds the depth of the inlet hole of the base of the housing, and the angle to the cone The cork and housing were made with a ratio of 1 / (7-10), and on the outer surface of each of the couplings there were made equidistant spurs in the form of four flats under the tool key. 2. The crane according to claim 1, characterized in that the mating surfaces of the housing and plugs are made with different hardness. 3. The crane according to claim 1, characterized in that one of the couplings is made in the form of a fitting and is equipped with a foot for a control pressure gauge. 4. The crane according to claim 1, characterized in that the tube shank is equipped with a standard handle, the axis of which forms an obtuse angle with the vertical axis of the tube.