3 research outputs found

    Rolling Screw-Nut Transmission

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    FIELD: mechanical engineering. SUBSTANCE: invention relates to the field of mechanical engineering, and more specifically to the feed of metal-cutting machines. The rolling screw-nut transmission comprises a screw with a threaded groove of a semicircular section covering a screw-nut equipped with a similar groove, consisting of a housing and two coaxial halves, and balls placed in a channel formed by the grooves of the screw and nut. The transmission is equipped with a reversible gear hydraulic pump, a multiplier gearbox, a hydraulic tank and an adjustable throttle. There is a resilient elastic torus, coaxial with the screw and installed in the nut body with the possibility of interaction with its second half. The pump is connected to the throttle inlet pipe and the torus cavity, and the screw is connected to the hydraulic pump drive shaft through a multiplier gearbox. EFFECT: increase in the durability of the transmission is achieved. 1 cl, 1 dwg.Π˜Π·ΠΎΠ±Ρ€Π΅Ρ‚Π΅Π½ΠΈΠ΅ относится ΠΊ области ΠΌΠ°ΡˆΠΈΠ½ΠΎΡΡ‚Ρ€ΠΎΠ΅Π½ΠΈΡ, Π° Π±ΠΎΠ»Π΅Π΅ ΠΊΠΎΠ½ΠΊΡ€Π΅Ρ‚Π½ΠΎ ΠΊ ΠΏΠΎΠ΄Π°Ρ‡Π°ΠΌ ΠΌΠ΅Ρ‚Π°Π»Π»ΠΎΡ€Π΅ΠΆΡƒΡ‰ΠΈΡ… станков. ΠŸΠ΅Ρ€Π΅Π΄Π°Ρ‡Π° Π²ΠΈΠ½Ρ‚-Π³Π°ΠΉΠΊΠ° качСния содСрТит Π²ΠΈΠ½Ρ‚ с Ρ€Π΅Π·ΡŒΠ±ΠΎΠ²ΠΎΠΉ ΠΊΠ°Π½Π°Π²ΠΊΠΎΠΉ ΠΏΠΎΠ»ΡƒΠΊΡ€ΡƒΠ³Π»ΠΎΠ³ΠΎ сСчСния, ΠΎΡ…Π²Π°Ρ‚Ρ‹Π²Π°ΡŽΡ‰Π΅ΠΉ Π²ΠΈΠ½Ρ‚-Π³Π°ΠΉΠΊΡƒ, ΡΠ½Π°Π±ΠΆΠ΅Π½Π½ΡƒΡŽ Π°Π½Π°Π»ΠΎΠ³ΠΈΡ‡Π½ΠΎΠΉ ΠΊΠ°Π½Π°Π²ΠΊΠΎΠΉ, ΡΠΎΡΡ‚ΠΎΡΡ‰ΡƒΡŽ ΠΈΠ· корпуса ΠΈ Π΄Π²ΡƒΡ… соосных ΠΏΠΎΠ»ΠΎΠ²ΠΈΠ½, ΠΈ ΡˆΠ°Ρ€ΠΈΠΊΠΎΠ², Ρ€Π°Π·ΠΌΠ΅Ρ‰Π΅Π½Π½Ρ‹Ρ… Π² ΠΊΠ°Π½Π°Π»Π΅, ΠΎΠ±Ρ€Π°Π·ΠΎΠ²Π°Π½Π½ΠΎΠΌ ΠΊΠ°Π½Π°Π²ΠΊΠ°ΠΌΠΈ Π²ΠΈΠ½Ρ‚Π° ΠΈ Π³Π°ΠΉΠΊΠΈ. ΠŸΠ΅Ρ€Π΅Π΄Π°Ρ‡Π° снабТСна рСвСрсивным ΡˆΠ΅ΡΡ‚Π΅Ρ€Π΅Π½Π½Ρ‹ΠΌ гидронасосом, Ρ€Π΅Π΄ΡƒΠΊΡ‚ΠΎΡ€ΠΎΠΌ-ΠΌΡƒΠ»ΡŒΡ‚ΠΈΠΏΠ»ΠΈΠΊΠ°Ρ‚ΠΎΡ€ΠΎΠΌ, Π³ΠΈΠ΄Ρ€ΠΎΠ±Π°ΠΊΠΎΠΌ ΠΈ Ρ€Π΅Π³ΡƒΠ»ΠΈΡ€ΡƒΠ΅ΠΌΡ‹ΠΌ дроссСлСм. Π˜ΠΌΠ΅Π΅Ρ‚ΡΡ ΠΏΠΎΠ»Ρ‹ΠΉ ΡƒΠΏΡ€ΡƒΠ³ΠΎ-эластичный Ρ‚ΠΎΡ€, соосный с Π²ΠΈΠ½Ρ‚ΠΎΠΌ ΠΈ установлСнный Π² корпусС Π³Π°ΠΉΠΊΠΈ с Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡ‚ΡŒΡŽ взаимодСйствия с Π΅Π΅ Π²Ρ‚ΠΎΡ€ΠΎΠΉ ΠΏΠΎΠ»ΠΎΠ²ΠΈΠ½ΠΎΠΉ. Насос соСдинСн с Π²Ρ…ΠΎΠ΄Π½Ρ‹ΠΌ ΠΏΠ°Ρ‚Ρ€ΡƒΠ±ΠΊΠΎΠΌ дроссСля ΠΈ ΠΏΠΎΠ»ΠΎΡΡ‚ΡŒΡŽ Ρ‚ΠΎΡ€Π°, Π° Π²ΠΈΠ½Ρ‚ Ρ‡Π΅Ρ€Π΅Π· Ρ€Π΅Π΄ΡƒΠΊΡ‚ΠΎΡ€-ΠΌΡƒΠ»ΡŒΡ‚ΠΈΠΏΠ»ΠΈΠΊΠ°Ρ‚ΠΎΡ€ связан с ΠΏΡ€ΠΈΠ²ΠΎΠ΄Π½Ρ‹ΠΌ Π²Π°Π»ΠΎΠΌ гидронасоса. ДостигаСтся ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΠ΅ долговСчности ΠΏΠ΅Ρ€Π΅Π΄Π°Ρ‡ΠΈ. 1 ΠΈΠ»

    Ferrous metallurgy

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    Ferrous metallurgy

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