The method of removing the tracks of the tank with a rubber hinge

 

(57) Abstract:

The invention relates to the repair of armored vehicles. The invention enables rapid and high reliability remove the caterpillar, for example, a tank in the field without the use of complicated equipment. The invention consists in the fact that weaken the tension of the crawler branches, tighten clamps two adjacent track on the inclined part of the caterpillars under the leading or guiding wheel, Unscrew the nuts finger, connecting tracks, mounted on a finger tip and technological jolt finger vakalatnama with a sledgehammer, and before knocking finger, burned with a blowtorch or a torch outer surface of the rubber bushing rubber hinge. 1 Il.

The invention relates to the field of repair of armored vehicles and armament.

The chassis of the tank is the most loaded and subjected to the greatest wear and tear part. Often be replaced crowns wheels and damaged trucks caterpillar. When worn bushings rubber hinges increases the gap between the trucks, caterpillar extended. This increase is offset, milling and 97) and the inability to adjust the tension of the crawler belts in accordance with the instruction manual caterpillar to be replaced.

There is a method of removing caterpillars, which reduces the tension of the belt adjacent tracks on the inclined part of the caterpillars under the leading or guiding wheels tightening the clamps, turn the nuts finger on the outside of the caterpillars on the thread finger set screw device for removing finger. After removing the finger is removed the clamp and the tank drives off the worn tracks to install a new (Object 184. Guide to military repair. Book 1. Part 2. M: Voenizdat, 1985, S. 14).

There is also known a method of removing caterpillars, which consists in weakening the tension tracked branch, tightening clamps two adjacent tracks on the inclined part of the caterpillars under the leading wheel or guide wheel, loosening of the nuts finger, connecting tracks, installed on your finger tip and technological using short and then long punch knockout finger with a sledgehammer. After removal of the punch is withdrawn clamp, caterpillar is disconnected and the tank in first gear drives off the worn tracks for the installation of new Tank T-72. Technical description and operating instructions. Book 2. M: Voenizdat, 1985, S. 93).

First HVL instrument tank (SPTA). It is only in tank repair workshop or armoured repair and recovery vehicle (two fixtures on the tank battalion), so this method can only be applied when the crew together with repair and recovery group or technical circuit battalion. In the long run caterpillars are cured rubber bushings and fingers, the device does not have a safety device against overloading and, as shown by operating experience, is the disruption of the thread on the thumb and on the device when you try to extrude a finger on a heavily worn caterpillar. For further use, the device is not suitable. In this case, trying to press out the other fingers. At impossibility of removing use gas or electric arc cutting of the truck. This requires special equipment which is not always possible to deliver to the tank in off-road conditions and low terrain wheeled vehicles. The repair when it is tightened.

If you cannot dislodge the finger caterpillars sledgehammer second method in accordance with the "Manual for the army maintenance" use the first with all its inherent disadvantages.

The task of predraspolagaya sophisticated equipment.

The invention consists in the fact that weaken the tension of the crawler branches, tighten clamps two adjacent tract on the inclined part of the caterpillars under the leading or guiding wheel, Unscrew the nuts finger, connecting tracks, mounted on a finger tip and technological jolt finger vakalatnama with a sledgehammer, and before knocking finger, burned with a blowtorch or a torch outer surface of the rubber bushing rubber hinge.

For debinding can be used, for example, soldering lamp or torch. The beginning of the ejection finger is determined by the shedding of burnt rubber in the periodic obmivanie tracks with a sledgehammer.

The invention is illustrated in the drawing, where:

1 - truck caterpillar;

2 - nut finger;

3 - finger;

4 - rubber sleeve rubber hinge;

5 technology tip.

The way is to weaken the tension of the tracked branch, tightening the clamps of the two neighboring tracks 1 on the inclined part of the caterpillars under the leading wheel or guide wheel, loosening of the screws 2 mounting finger 3, connecting tracks, installed on the finger of those which of took 4 and using short and then long punch knockout finger with a sledgehammer. After removal of the punch is withdrawn clamp, caterpillar is disconnected and the tank in first gear drives off the worn tracks to install a new one.

The proposed method of removing the tracks of the tank is easily implemented in the field, does not require complex special equipment, quickly and with high reliability disconnect the crawler belt. This reduces the likelihood of injuries and violations of safety rules when using ZIP tank.

The technical result of the use of the method of removing the tracks of the tank with a rubber ball is the reduction of time and labor replacement caterpillar tracks in the field with any degree of wear, using only individual ZIP tank, without the use of special equipment and devices in the set of mobile hardware repair.

The method of removing the tracks of the tank with a rubber hinge that includes a strain relief tracked branch, tightening clamps two adjacent tracks on the inclined part of the caterpillars under the leading or guiding wheels, the loosening of the nuts finger, connecting tracks, installation of finger technological knocking finger, burned with a blowtorch or a torch outer surface of the rubber bushing rubber hinge.

 

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FIELD: machine engineering, possibly manufacture of sealing envelopes of corrosion resistant steels of metal-plastic high-pressure bottles.

SUBSTANCE: method comprises steps of separately making metallic convex bottoms with cylindrical collar and backing ring. Thermal expansion factor of backing ring exceeds that of bottoms; outer diameter of backing ring provides close fit of bottoms onto it at 20°C; cooling preliminarily assembled backing ring with bottoms until cryogenic temperature; sliding bottoms on backing ring in cooled state until mutual touch of cylindrical collars of bottoms; heating assembly up to 20°C in order to provide close fit of backing ring in cylindrical collars of bottoms; welding bottoms along butt of assembly and then removing backing ring by chemical milling.

EFFECT: simplified process of making envelopes with enhanced mass characteristics.

2 cl, 4 dwg, 1 ex

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