RU166825U1 - 2A65 ARTIFICIAL ROLLBACK DEVICE - Google Patents

Abstract

A device for artificially rolling back a product 2A65, consisting of a screw, a nut and a ratchet, characterized in that the screw has a rounded end, which allows the axial force to be applied to the knurled piston without mechanical damage and, rotating the screw in the fixed nut on the knurled cylinder, at the opposite end with using a ratchet, roll back the barrel-bolt group and elements of the howitzer retraction mechanism for maintenance, to roll the howitzer barrel by turning the screw counterclockwise arrows, return the recoiling parts of the howitzer to its original position.

Description

The utility model relates to artillery weapons and is designed to produce artificial rollback products 2A65, and can be used in military equipment.

There are various technical solutions for the rollback and rollback of an artillery gun, such as a brake rollback and rollback of an artillery gun (RF patent No. 2,309,359) and a hydraulic brake of rollback of an artillery gun (RF patent No. 2146035) [1, 2].

These inventions allow rollback when firing a gun, but do not allow artificial rollback during maintenance.

Artificial rollback of the product 2A65 is performed [3, 4]:

- to check the sealing elements of recoil devices (POU) during the TO-1 of the product (rollback is performed at 200-250 mm)

- to check the operation of the projectile rammer during the TO-2 of the product (rollback is performed before the platoon lever is installed on the lock);

- to replenish the columns of the balancing mechanism with air (at an air pressure in the cylinder of at least 70 kgf / cm ² );

- to check the adjustment of the moment of braking of the worm in the worm gear of the vertical aiming mechanism;

Currently, according to the "Instructions for using the group kit of spare parts. 2A65 Sb78.In. ZIP "artificial rollback is carried out using the device for artificial rollback Sb41.1-40 [5]. The device consists of a nut 11 (Fig. 1) and a plug Sb41.1-37, consisting of a plug 4, in the holes of which plugs 5 and 10 are inserted, and a ring 7 is inserted into the groove. The plug 5 is fixed with a nut 9.

A ring 6 is installed in the groove of the plug 5, which protects the nut 9 from falling out during disassembly. The use of the device Sb41.1-40 is based on the principle of injecting the fluid POZH-70 into the cavity of the cylinder of the knurl 8, closed from the end by a plug 4 through an opening under the plug 5 using an air-hydraulic pump 52-I-035. Under the influence of the pressure of the injected fluid, the knob rod moves, which leads to the movement of the sliding parts.

The need for the proposed device for the artificial rollback of the product 2A65 is caused by the fact that the technology currently used is not simple and requires the use of various devices (air-hydraulic pump 52-I-035), devices (puller SB41.1-36 for removing the plug 4 ), and most importantly, fluids POZH-70, which is a poison.

The purpose of the utility model is to ensure reliable and safe production of artificial rollback rolling parts of the product 2A65. To achieve this goal, it is proposed to use the device for artificial rollback of the product 2A65.

The safest device for the artificial rollback of the product 2A65 may be a puller (RF patent 2222422), which has the following disadvantages: the complexity of the design associated with the use of capture and the inability to use the product 2A65 for artificial rollback.

The closest prototype device for artificial rollback of the product 2A65 is a mechanical arrestor with an improved mount for extracting a projectile from the barrel without a muzzle brake (RF patent 150757 prototype).

The invention consists in the following:

A mechanical arrester for extracting a medium caliber projectile sent to the barrel bore, comprising a rod with a nozzle, characterized in that it is provided with centering rings mounted on the rod, the rod guide sleeve, a device mounted on the muzzle brake of the artillery gun and having a support disk and basting connected by tightening bolts, a screw nut fixed in the support disk, and a screw to create axial force when it is rotated in the screw nut and to transfer force to the rod from the nasa with a possibility of interaction between the nozzle and the live part of the projectile without touching the fuse.

The presented utility model has the following disadvantages: the complexity of the design associated with the use of centering rings and nozzles, as well as the inability to use 2A65 for artificial rollback.

The challenge facing this device is the ability to carry out an artificial rollback of the gun barrel for maintenance. And to solve this problem, a device has been developed.

The device for artificial rollback of product 2A65 is an assembly consisting of three parts: screw 1, nut 2 and ratchet 3. A general view of the device is shown in FIG. 2.

The device for artificial rollback of the product 2A65 is mounted on the muzzle of the cylinder of the knurling using the existing threaded connection, which means that it does not require structural changes in the armament model itself.

The proposed device for the artificial rollback of the product 2A65 works as follows. To conduct an artificial rollback, you must:

- give the trunk an elevation angle of 0 °;

- unscrew and unscrew the screw 13 with a key (12 × 14) (Fig. 3);

- unscrew the front cover 12 of the knurl with a key 7811-0353 (115-220);

- screw the nut 2 of the device (Fig. 4) with a key 7811-0353 (115-220) and fix it with the screw 13 (Fig. 3); screw the screw 1 with a rounded end into the threaded hole of the nut 2 (Fig. 4) as far as it will go into the piston 16 of the knurl. The screw 1 has a rounded end, which allows without mechanical damage to create axial force in the piston 16 of the recuperator. Put a ratchet 3 on the free end of screw 1 (Fig. 2) and, turning the screw clockwise, roll back the barrel-bolt group and elements of the howitzer sending mechanism.

To roll the trunk, you must:

- remove and turn the ratchet 3 180 ° and, turning the screw 1 (Fig. 4) counterclockwise, return the retractable parts of the howitzer to its original position.

After use, remove the parts of the device from the product.

The device for artificial rollback of product 2A65 was developed for products 2A64 and 2A65 and can be part of a group of spare parts both as an addition to the existing one (Sb41.1-40), and as a replacement for it.

Thus, the proposed device for the artificial rollback of the product 2A65 allows the artificial rollback of the product 2A65 according to the simplified scheme - without the use of POZh-70 poisonous anti-recoil fluid and 52-I-035 air-hydraulic pump, which reduces the time of preparation and carrying out the rollback by 15%.

Information sources

1. Nabokov F.V., Sukhanov M.B. Artillery recoil and reel brake. - FIPS. Patent for invention No. 2309359, 10.27.2007.

2. Shvarev R.Ya. Artillery recoil hydraulic brake. - FIPS. Patent for invention No. 2146035, 02.27.2000.

3. 152-mm howitzer 2A65. Technical description and instruction manual, Part 2. User's manual. 2A65 TO1 [Text]. - M: Military Publishing House, 1992 .-- 128 p.

4. 152-mm howitzer 2A65. Technical description and instruction manual, Part 3. Album of drawings. 2A65 TO2 [Text]. - M: Military Publishing House, 1993 .-- 128 s

5. Product 2A65. Instructions for using the group kit of spare parts. 2A65 Sb78. In. ZIP [Text]. - M: Military Publishing House, 1992 .-- 96 p.

6. Zotov V.A. Puller. - FIPS. Patent for invention No. 2222422, 01/27/2004.

7. Pershin V.A., Baranov V.V., Ustinov E.M., Pershina N.G. Mechanical arrestor with improved mount for extracting the projectile from the bore without a muzzle brake. - FIPS. Utility Model Patent No. 150757, 02/27/2015.

Claims (1)

A device for artificially rolling back a product 2A65, consisting of a screw, a nut and a ratchet, characterized in that the screw has a rounded end, which allows the axial force to be applied to the knurled piston without mechanical damage and, rotating the screw in the fixed nut on the knurled cylinder, at the opposite end with using a ratchet, clockwise roll back the barrel-bolt group and elements of the mechanism for sending the howitzer for maintenance, to roll the barrel of the howitzer, turning the screw counterclockwise arrows, return the recoiling parts of the howitzer to its original position.

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