SU897499A1

SU897499A1 - Vertical movement apparatus

Info

Publication number: SU897499A1
Application number: SU802914637A
Authority: SU
Inventors: Леонид Николаевич Петров; Нина Федосеевна Полищук
Original assignee: Московское Ордена Ленина И Ордена Трудового Красного Знамени Высшее Техническое Училище Им.Н.Э.Баумана
Priority date: 1980-04-23
Filing date: 1980-04-23
Publication date: 1982-01-15

Description

II

Изобретение относитс к машиностроению , а именно к промышленным IThis invention relates to mechanical engineering, in particular to industrial I

работам и манипул торам.work and manipulators.

Известно устройство вертикального перемещени , содержащее основание, подвижную секцию с приводом и пружинный уравновешиваюпщй механизм, выполненный в виде двух тросового барабана, один из тросов которого закреплен на его цилиндрической части и кинематически св зан с пружиной , установленной на основании, а второй - на кулачковой части барабана и взаимодействует с блоками, один из которых установлен на основании, а второй - в смонтированных на том же основании направл ющих и находитс в контакте с кулачковой частью двухтросового барабана 1 .A device for vertical movement is known, comprising a base, a movable section with a drive and a spring balance mechanism made in the form of two cable reels, one of the cables of which is fixed on its cylindrical part and kinematically connected to a spring mounted on the base, and the second on the cam part the drum and interacts with the blocks, one of which is mounted on the base, and the second in the guides mounted on the same base and is in contact with the cam part of the double cable drum and 1.

Недостатком этого устройства вл етс наличие направл ющих блоков и тросовой св зи между подвижной секцией и установленным на основании блоком, что усложн ет конструкцию , снижает точность и надежность устройства.A disadvantage of this device is the presence of guide blocks and cable connections between the movable section and the block mounted on the base, which complicates the design and reduces the accuracy and reliability of the device.

Цель изобретени - упрощение кон струкции, повышение точности и надежности устройства.The purpose of the invention is to simplify the design, increase the accuracy and reliability of the device.

Поставленна цель достигаетс тем, что устройство вертикального перемещени снабжено зубчатой передачей , одно из колес которой жестко св зано с приводом, а другое - с установленным на основании блоком, кроме того трос жестко св зан с этим блоком.The goal is achieved by the fact that the device for vertical movement is equipped with a gear, one of the wheels of which is rigidly connected to the drive, and the other is mounted on the base unit, besides the cable is rigidly connected to this unit.

На фиг. 1 изображено устройство вертикального перемещени , продольный разрез-, на фиг. 2 - разрез А-А на фиг. 1.FIG. 1 shows a vertical displacement device, longitudinal section-away; FIG. 2 shows section A-A in FIG. one.

Claims

The assembly comprises a base 1, a movable section 2 and a gear 3 screw-nut. On the base 1 a spring balancing mechanism is installed, made in the form of a two-jersey drum 4 and a balancing spring 5. A screw groove is made on the cylindrical surface of the two-cable drum 4, and on the cam surface is spiral, for example, in an Archimedes spiral. The cable 6 is wound on a screw groove at one end, and the other is connected by means of a guide block 7 to a balancing spring 5. The cable 8 wound at one end on a spiral groove interacts with the pressing block 9 and is fixed to the other end of the block 10 mounted on the base 1 The pressing unit 9 is supported by the ends of the axis on the fixed guides 11 mounted on the base 1. The gear wheel 12 is rigidly connected to the block 10 and engages in 13 engagement with the gear wheel 13, which is rigidly connected to the drive. The device works as follows. When the movable section 2 is extended, the gear wheel 13 rigidly connected to the drive rotates against the hour hand and causes the wheel 12 and the block 10 rigidly connected to it to rotate clockwise. In this case, the cable 8 is wound onto the spiral groove, and the cable 6 is unwound from the helical groove of the double-wire drum 4 and the balancing spring 5 is compressed. The block 9, due to the reaction from the tension force of the cable 8, created by the block 10, moves along the fixed directions 11 in the radial direction (from top to bottom). As a result, the cable 8 is coupled with the cam part of the double cable drum 4. Thus, the gear transmission eliminates the guide blocks 94 and the cable connection between the movable section and the base unit, which simplifies the design, improves the accuracy and reliability of the vertical displacement device. . The invention of the device for vertical movement, for example, industrial work, comprising a base, a moving section with a drive and a spring balance mechanism, made in the form of a double cable bar, one of the cables of which is attached to its cylindrical part and is kinematically connected to the spring and the second - on the cam part of the drum and interacts with the blocks, one of which is mounted on the base, and the second - in guides mounted on the same base and located in contact e with a cam part of a double cable drum, characterized in that, in order to simplify the design, increase accuracy and reliability, it is equipped with a gear, one of the wheels of which is rigidly connected to the drive, and the other with a block mounted on the base zan with this block. Sources of information taken into account in the examination of 1, USSR Copyright Certificate №643323, cl. B 25 J 17/00, B 25 J 19/00, 1979.