RU209083U1 - Downhole charge fixing device - Google Patents

Abstract

The utility model relates to the mining industry and is intended for use in blasting in seismic exploration. The technical result consists in increasing the rigidity of the structure, while the rigidity is increased due to the use of a base, the section of which has the form of the letter H- and U-shaped in the section of the profile of the petals, which plays the role of stiffeners in comparison with arcuate ones and does not allow the petals to bend in the opposite direction in case of unauthorized pulling of the device from the well. The device for fixing the charge has a base 1, which has a section in the form of the letter H, and a locking mechanism consisting of two spring-loaded petals 2, which have a section in the form of the letter P, the inner ends of which are connected by a common axis 4 with the base. In this case, the petals in the folded form are diametrically opposite walls of the body, which, by means of a multi-turn rigid steel spring 5, wound on a common axis, allow you to securely fix the charge in the well, excluding its spontaneous movement due to symmetrically located petals, rigidly fixed by the spring. The upper part of the body is made in the form of a half-coupling, which is a nest for installing a capsule with a charge fixed in it. At the same time, the threaded part is made as a separate element and fixed on the base with a screw 6, which allows changing the threaded part for different fastening systems. It rotates around its axis, which prevents unauthorized unscrewing of the charge after installation in the well. 4 ill.

Description

The utility model relates to the mining industry and is intended for use in blasting in seismic exploration.

State of the art

Known latch detonator intermediate small (patent RU 170039 U1 12.04.2017) refers to the mining industry and is designed to hold and center the detonators intermediate small in holes and ascending wells with manual and mechanized loading in underground workings of mines (mines). The latch of the intermediate small-sized detonator, made of polyethylene, contains a body made in the form of a hollow cylinder (hollow cone, hollow truncated cone), the body is made with flexible petals located at an angle to the body, in the amount of at least three, inside along the body there are ribs with with stops in the form of a ledge (protrusion, annular stop) for an intermediate detonator in the amount of at least three, grooves for the waveguide of the non-electric initiation system or the electric detonator wire are located in the wall and inside the housing, and the stops are in the form of a ledge and a hole for the waveguide for the variant of the intermediate detonator retainer small-sized in the form of a hollow truncated cone increases the accuracy, reliability of holding and centering the intermediate detonator in the borehole, well, the reliability of holding the intermediate detonator in the retainer body, completely protects the waveguide from possible damage against the walls of the borehole, well and from damage from the impact of the charge th hose, hammer for mechanized and manual loading.

The disadvantage of this device is not sufficient rigidity.

The closest analogue is patent RU 195593 U1 01/31/2020.

This patent discloses the design of a downhole charge fixing device. The known technical solution is made in the form of an anchor device containing a cylindrical body made of high-strength plastic (armlen), which is a high-strength plastic, non-toxic environmentally friendly material. The cylindrical body contains a base and a locking mechanism consisting of two spring-loaded petals, the inner ends of which are connected by a common axis, when folded, they are diametrically opposite walls of the cylindrical body, which, by means of a multi-turn rigid steel spring wound on a common axis, allow you to securely fix the charge in the well, excluding its spontaneous movement due to symmetrically arranged petals, rigidly fixed by a spring. The base of the cylindrical body is made in the form of a tetrahedral figure with a truncated top, consisting of right-angled triangles connected by legs, two of which, along the hypotenuses, smoothly pass into diametrically opposite walls of the cylindrical body, the upper part of which is made in the form of a half-coupling, which is a nest for installing a capsule with the charge attached to it.

The disadvantage of this device is the lack of structural rigidity and the possibility of twisting the charge out of the device.

The objective of this utility model is to increase the rigidity of the structure and eliminate the possibility of unscrewing the charge from the product.

The technical result consists in increasing the rigidity of the structure, while the rigidity is increased due to the use of a base, the section of which has the form of the letter H- and U-shaped in the section of the profile of the petals, which plays the role of stiffeners compared to arcuate ones and does not allow the petals to bend in the opposite direction when unauthorized pulling of the device from the well.

Utility Model Disclosure

The technical result is realized due to design features.

The device for fixing the charge has a base 1, which has a section in the form of the letter H (Fig. 2), and a locking mechanism consisting of two spring-loaded petals 2, which has a section in the form of the letter P, the inner ends of which are connected by a common axis 4 with a base. In this case, the petals in the folded form are diametrically opposite walls of the body, which, by means of a multi-turn rigid steel spring 5, wound on a common axis, allow you to securely fix the charge in the well, excluding its spontaneous movement due to symmetrically located petals, rigidly fixed by the spring. The upper part of the housing is made in the form of a half-coupling, which is a nest for installing a capsule with a charge fixed in it.

At the same time, the threaded part is made as a separate element and fixed on the base with a screw 6, which allows changing the threaded part for different fastening systems. It rotates around its axis, which prevents unauthorized twisting of the charge after installation in the well (Fig. 1).

Implementation of the utility model

The device for fixing the charge has a base 1, which in the cross section has the shape of the letter H (Fig. 2), and a locking mechanism consisting of two spring-loaded petals 2, which in the cross section are made in the form of the letter P, ensures the rigidity of the resulting structure, preventing deflection as H and U-shaped sections, since these profiles play the role of stiffeners in comparison with arcuate ones and do not allow the petals to bend in the opposite direction when the device is pulled out of the well without permission. At the same time, these structural elements are connected by a common axis 4, when folded, they are diametrically opposite body walls, which, by means of a multi-turn rigid steel spring 5, wound on a common axis, make it possible to reliably fix the charge in the well, excluding its spontaneous movement due to symmetrically located petals, rigidly fixed with a spring. The upper part of the housing is made in the form of a half-coupling, which is a nest for installing a capsule with a charge fixed in it.

At the same time, the threaded part 3 is made as a separate element and fixed on the base with a screw 6, which makes it possible to change the threaded part for different fastening systems. It rotates around its axis, which prevents unauthorized unscrewing of the charge after installation in the well.

Implementation examples

Example. one

We form a device for fixing the charge in the well. To do this, we create a base, which in the section has the form of the letter H, and also form a locking mechanism consisting of two spring-loaded petals, which in the section are made in the form of the letter P. In this case, these structural elements are connected by a common axis and, when folded, are diametrically by opposite walls of the housing, which, by means of a multi-turn rigid steel spring wound on a common axis, allow you to securely fix the charge in the well and exclude its spontaneous movement due to symmetrically located petals rigidly fixed by the spring. The upper part of the housing is made in the form of a half-coupling, which is a nest for installing a capsule with a charge fixed in it.

At the same time, the threaded part is made as a separate element and is fixed on the base with a screw, which allows changing the threaded part for different fastening systems. Rotates around its axis, which prevents unauthorized twisting of the charge after installation in the well

Therefore, the execution of the details of the device for fixing the charge, in particular, the base having a cross section in the form of the letter H, the design of the petals having a cross section, made in the form of the letter P, as well as the execution of the threaded part as a separate element and fixed to the base with a screw, make it possible to guarantee rigidity of the structure, preventing bending of the petals.

The device is illustrated by drawings, see FIG. 1 - (a device for fixing a charge in a well with deployed petals, side view), Fig. 2 - (a device for fixing a charge in a well with deployed petals, side view), fig. 3 is a top view, the petals are deployed, FIG. 4 - folded petals side view, where 1 - base, 2 - spring-loaded petals, 3 - threaded part; 4 - common axis; 5 - steel spring; 6 - screw.

Claims (1)

The device for fixing the charge in the well contains a base and a locking mechanism consisting of two spring-loaded petals, the inner ends of which are connected by a common axis, when folded, the petals are opposite housing walls, which are fixed by a spring by means of a multi-turn rigid steel spring wound on a common axis; the upper part of the body is made in the form of a half-coupling, which is a socket for installing a capsule with a charge fixed in it, characterized in that the base in the section has the shape of the letter H, the petals have a section in the form of the letter P, in addition, the threaded part is made by a separate element and secured to the base with a screw.

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