1) V ČSĽA boli používané tri varianty 122 m K vz. 31/37 : 122 mm K vz. 31/37, adaptovaný 122 mm K vz. 31/37, 122 mm K vz. 31/37 R (rekonštruovaný)
1)In ČSĽA were used three variants 122 m K vz. 31/37 : 122 mm K vz. 31/37, adapted 122 mm K vz. 31/37, 122 mm K vz. 31/37 R (reconstructed)
Zdroje: Sources:
Mat del-II-32 152mm kanónová húfnica vz. 37 a 122mm kanón vz. 31/37 - Predpis ČSLA, Praha 1956
URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#535000
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122 mm cannon vz. 31/37[/baa] formed the armament of the army artillery and was designed : - to fight enemy artillery, - to silence distant targets, - ...to take out fortresses and massive pillboxes, - to fight tanks and armoured trains, - to destroy balloons.
The gun was transported behind a towing vehicle (a special tracked tractor D-350 MAZUR or a truck Tatra 111, Tatra 138). Ammunition and a set of spare and equipment parts, tools and accessories were carried on towing vehicles, some of the accessories being mounted on lafette arms.
Three variants of the 122 m K vz.31/37 were used in the CSRL: - 122 mm K vz.31/37, - an adapted 122 mm K vz.31/37, - 122 mm K vz.31/37 R ( reconstructed).
The gun consists of : - Barrel, - the gun, - wheel ( common for both 152 mm KH vz.37 and 122 mm K vz.31/37), - barrel carriage (common to both 152 mm KH vz.37 and 122 mm K vz.31/37 ),
Barrel - two types were used : the monobloc barrel and the barrel with self-supporting muzzle.
The Lafette consists of : - Cradle, with braking device, - top pawl, - rudders and measuring handlebars , - balancing mechanism with protective shields, - lower halyard with two halyard arms with landing gear, - a halyard shield , - sights ( 2 types : sight with independent sight and sight with semi-independent sight), gun sight.
The Wheeled is designed to transport the cannon. In the marching position, the wheelbarrow and the laffette form a four-wheeled chariot and attach to the towing vehicle. The wheels of the wheelbarrow had so-called "solid" tires - hoops with spongy rubber. The barrel wagon is designed to remove the barrel from the laffle when repairing the cannon. One barrel carriage was for 12 guns. Ammunition
Split shot ammunition was used - ammunition that reloads twice ( full shot). Such ammunition is folded: (a) a round with a bursting charge and an igniter, (b) a cartridge with a live powder charge, a firing pin and ancillary components ( i.e. a live cartridge). The cartridges as noted were split, there were four charges in the cartridge (base, 1,2,3) and the primer of the grenade had settings (fragmenting, bursting, and delayed). Fragmentary against a live force,bursting with a slight delay to penetrate walls and explode inside an object, delayed to fire by bouncing at a low angle of fire in front of the enemy's trenches - the projectile should have exploded over the trench after the bounce. In shooting it was allowed to use ammunition of both Czechoslovak and Soviet manufacture.
Main technical data : Calibre : 121.92 mm Number of grooves : 44 Thread pitch ( length ) : 25 calibre Initial bullet velocity : 800 m/s. Range : 20400 m Rate of fire : 5 to 6 shots / min. Max. Bearing : + 65° Max. Depression : - 2° Range of aim : 58° Firing Height : 1509 mm Max. Transport speed : up to 60 km/h. Time required to change from marching to combat position of the gun ( or vice versa ) : 8- 10 minutes.
Dimensions in mm:
Barrel length : 4600 Cannon length : in marching position 8900 / in combat position 8725 Width : in marching position 2345 Height : in marching position 2270 Lightness : 315 Wheel : double hoops filled with sponge rubber Dimension : 1250x155 Wheel width ( double) : 310
Older production guns ( pre 1956) may have had other wheels : (a) cast wheel with full hoop with spring loaded hub, b) cast steel wheel without rubber hoop.
Wheelbase : 1900
Weight in kg : In combat position : 7400 In marching position : 8260 Barrel with breech : 2380 Breech : 61 Wheeled : 780
Note: Licensed production of the Soviet 122 mm gun vz. 1931/37 A-19. In production since 1953. Source : Mat del-II-32152mm cannon howitzer vz. 37 and 122mm cannon vz. 31/37 - ČSLA Regulations, Prague 1956
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Kolesna.
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Dvojmontáž.
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Tabuľka s používaným strelivom.
URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#316215
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Reklama
122mm cannon vz. 31/37 R (R - reconstructed). Even after modification to tapered bearings, the A 19 cannon's receiver design allowed a top marching speed of 60 km/h (60 mph). The reconstruction of the 122mm K vz.31/37 is a speed increase solved by the use of self-supporting SO hoops, which allow these marching speeds : - Class I roads : max. 80 km/h - dirt roads : max. 50 km/h. - off-road : max. 12 km/h. SO type hoops also allow driving without air ( in the event of a bullet etc. ) at a top speed of 50 km/h. for a distance of 100 km without damaging the tyres.
Main technical data : Measuring range : 52°
Dimensions in mm: Width : in marching position 2345 Height : in marching position 2270 Clearance : 300 Wheelbase : 2023 Width of double wheel : 579 Weight in kg : In fighting position : 7320 In marching position : 8120 Wheeled : 720
Source : Mat del-II-32152mm gun howitzer vz. 37 and 122mm cannon vz. 31/37 - ČSLA Regulations, Prague 1956
URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#316220
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A few more additions: The barrel is a jacketed design with a bolt-on butt. The breech is bolt-on. Manufactured in the Czechoslovak industry under Soviet license and introduced in Czechoslovakia. Army in 1953 as 122 K model 31/37 Calibre 121,9 mm maximum range 20 400 m muzzle energy 8160 kJ barrel length 5 650 mm fire height 1 473 mm aiming range -2 to +65° length of slide 1 350/ 900 mm Wheelbase 1 990 mm Wheel size / average width 1 250/310 mm ground clearance 315 mm weight in firing position 7 250 kg weight on the march with wheels 8 050 kg Wheel weight 780 kg weight of barrel car 1 312 kg
URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#279546
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Some admin photos from Mud 2003 It is worth noting how in the marching position the overall length of the vehicle was reduced by moving the barrel back and attaching it to the support arms, In the firing position it was moved forward to allow normal operation of the braking device
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URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#32361
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Reklama
After moving the barrel to the firing position, using the long rod attached to the breech (there was a thread inside), disconnecting the wheel and extending the support arms, it was necessary to drive two riving knives into each of them (such trapezoidal irons...you can see them on the sides of the arms). It went in the ground badly and out even worse The "Cannon to Fight" action was one of the favorite "pastimes" of the operators that brought something out
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URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#32362
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Ještě jeden záběr z druhé strany
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URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#32363
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At the army level, a separate artillery brigade was formed, which had four sections
Two were armed with A-19s (36pcs) Each squad consisted of three batteries (18pcs) Each battery two platoons (6pcs) Each platoon had three howitzers with an eight-man crew The crew consisted of: -the gun commander -the gunner -the gunner -loader -two shot feeders -two cartridge feeders (split ammunition was used)
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And from the other side Above the wheel you can see the rod for moving the barrel to the firing position (about 1.5 m forward).After the command "gun to fight" the operator had 35 seconds to do it
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URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#37317
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Exercise 332nd Cannon Artillery Brigade Jičín: And this is how it ended when the operator did not properly secure the barrel when disconnecting the wheel. After lowering the weapon onto the support arms, the barrel slid down to the ground and due to its weight, the operator sweated a lot on his shirts while lifting it
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URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#37326
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Cvičení 332. kanónové dělostřelecké brigády Jičín: vz.31/37 (licenční sovětská A-19) v palebném postavení připravená pro přímou střelbu. Za povšimnutí stojí že u bližší zbraně opatřila obsluha zimní kamufláží i pneumatiky kol. Barva (vápno) se nanášela až v palebném postavení proto není na běhounu sjetá. Ti vzadu si to zjednodušili a nechali kola v barvě gumy.
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URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#37337
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URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#225790
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From the collections of VHM Piešt'any (own photo)
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122 mm kanón.
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122 mm kanón vz.31
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Detail hlavne.
URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#311432
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122 mm cannon vz.31 from Czechoslovak arsenal.
Source : Vojákův rok NV 1970
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122 mm kanón vz.31 z výzbroje ČSĽA.
URL : https://www.valka.cz/CZK-vz-31-37-122mm-kanon-t107467#311434
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