SU765684A1

SU765684A1 - Device for simulating kinematic circuit rigidity

Info

Publication number: SU765684A1
Application number: SU782699213A
Authority: SU
Inventors: Виктор Андреевич Балышев; Станислав Макарович Буров; Олег Самуилович Нев
Original assignee: Предприятие П/Я Р-6896
Priority date: 1978-12-18
Filing date: 1978-12-18
Publication date: 1980-09-23

Description

Изобретение относится к машиностроению, а именно к испытательной технике, и может быть использовано для имитации жесткости различных кинематических цепей. 5The invention relates to mechanical engineering, namely to testing equipment, and can be used to simulate the rigidity of various kinematic chains. 5

Известно устройство для имитации жесткости кинематических цепей,, содержащее ведомую и ведущую полумуфты, соединенный одним концом с последней вал, установленный на нем с 1С возможностью осевого перемещения и поворота опорный узел, регулировочный узел и связыва'кхций его с опорным узлом упругий элемент £1} .A device is known for simulating the rigidity of kinematic chains, comprising a driven and a leading coupling half, connected at one end to the last shaft, mounted on it with 1C axial movement and rotation of the support unit, the adjustment unit and its connection with the support unit elastic element £ 1} .

Недостаток известного устройства 15 заключается в том, что оно не позволяет имитировать жесткость при реверсе и не обеспечивает имитацию жесткрсти большую, чем жесткость одного витка упругого элемента. 20A disadvantage of the known device 15 is that it does not allow simulating stiffness during reverse and does not simulate stiffness greater than the rigidity of one turn of an elastic element. 20

Цель изобретения - расширение пределов имитируемой жесткости.The purpose of the invention is the expansion of the limits of simulated stiffness.

Указанная цель достигается тем, что устройство снабжено соединенным одним торцом с ведомой полумуфтой 25 упругим стаканом, имеющим на другом торце фланец, установленной на валу с возможностью осевого перемещения и поворота регулировочной втулкой, упорами, размещенными на фланThis goal is achieved by the fact that the device is equipped with an elastic cup connected at one end with a driven coupling half 25, having a flange at the other end mounted on the shaft with the possibility of axial movement and rotation of the adjusting sleeve, stops placed on the flange

ИМИТАЦИИ ЖЕСТКОСТИHARDNESS IMITATIONS

ЦЕПЕЙ це, регулировочной втулке и ведущей полумуфте, обеспечивающими их поочередное взаимодействие, размещенными на валу, опорном узле и ведомой полумуфте, также обеспечивающими поочередное взаимодействие последних, и стопором, обеспечивающим взаимодействие упругого стакана с ведущей полумуфтой, свободный конец вала установлен в ведомой полумуфте с возможностью поворота вокруг оси, а регулировочный. узел размещен на регулировочной втулке с возможностью перемещения вдоль ее оси.CHAIN, adjusting sleeve and driving coupling half, providing their alternate interaction, placed on the shaft, support unit and driven coupling half, also providing the latter’s alternating interaction, and a stopper, ensuring the elastic cup interacts with the driving coupling half, the free end of the shaft is installed in the driven coupling half with the possibility of turning around the axis while adjusting. the node is placed on the adjusting sleeve with the possibility of movement along its axis.

На фиг. 1 изображено устройство для имитации жесткости кинематических цепей, продольный разрез', на фиг. 2 - вид А на фиг. 1; на фиг.Зраэрез Б-Б на фиг. 1; на фиг. 4 - раз· рез В-В на фиг. 1) на фиг. 5 - разрез Г-Г на фиг. 1.In FIG. 1 shows a device for simulating the rigidity of kinematic chains, a longitudinal section ', in FIG. 2 is a view A in FIG. 1; in FIG. Zreerez BB in FIG. 1; in FIG. 4 - times · view BB in FIG. 1) in FIG. 5 is a section GG in FIG. 1.

Устройство состоит из ведущей полумуфты 1 и ведомой полумуфты 2, предназначенных для присоединения к соответствующим валам испытательного стенда. В ведущей полумуфте 1 одним концом жестко закреплен вал 3, другой конец которого установлен в подшипнике 4, смонтированном в ведомой .полумуфте 2. На фланце ведомой полу3 муфты закреплен упругий стакан 5, который своим фланцем F установлен на подшипнике б, установленном на ведущей полумуфте 1. Упругий элемент например пружина 7, одним концом закреплена в опорном узле 8, который установлен на валу 3 с возможностью осе- ’ вого перемещения и поворота. Другим концом пружина 7 закреплена на регулировочном узле 9. Для стопорения пружины 7 на регулировочном узле 9 используются плаНки 10, которые кре-. 1θ пятся. при помощи винтов 11 к сегментам 12. Регулировочный узел 9 при помощи сухарей 13 и винтов 14 зафиксирован на регулировочной втулке 15, на наружной поверхности которой для 15 этого нарезаны треугольные шлицы (на чертеже не показаны), и которая установлена на валу 3 с возможностью поворота и осевого перемещения. Регулировочная втулка 15 снабжена упором К, 20 который контактирует с упором М ведущей полумуфты 1, и упором L , который контактирует с упором Ν, расположенным на фланце F. Опорный узел снабжен упором Р, который контактирует с упором R вала 3, и упором Т, который контактирует с упором У , расположенным на ведомой полумуфте 2.The device consists of a leading coupling half 1 and a driven coupling half 2, intended for connection to the corresponding shafts of the test bench. In the drive coupling half 1, a shaft 3 is rigidly fixed at one end, the other end of which is mounted in a bearing 4 mounted in the driven coupling half 2. An elastic cup 5 is mounted on the flange of the driven coupling floor 3, which is mounted with its flange F on the bearing b mounted on the drive coupling half 1 An elastic element, for example a spring 7, is fixed at one end in a support unit 8, which is mounted on the shaft 3 with the possibility of axial movement and rotation. At the other end, the spring 7 is fixed on the adjustment unit 9. To lock the spring 7 on the adjustment unit 9, the plates 10 are used, which are creased. 1θ are drunk. with the help of screws 11 to the segments 12. The adjusting unit 9 with the help of crackers 13 and screws 14 is fixed on the adjusting sleeve 15, on the outer surface of which triangular slots are cut for this 15 (not shown in the drawing), and which is mounted on the shaft 3 with the possibility of rotation and axial displacement. The adjusting sleeve 15 is equipped with an abutment K, 20 which is in contact with an abutment M of the drive coupling half 1, and an abutment L, which is in contact with an abutment Ν located on the flange F. The support unit is provided with an abutment P, which is in contact with an abutment R of the shaft 3, and an abutment T, which is in contact with the stop Y located on the driven coupling half 2.

На фланце F установлен стопор 16. Для доступа к регулировочному узлу в упругом стакане 5 выполнены от- 30 верстия Е.A stopper 16 is installed on the flange F. For access to the adjusting unit in the elastic cup 5, holes 30 are made.

Устройство работает следующим образом.The device operates as follows.

При помощи ведущей 1 и ведомой 2 полумуфт устройство присоединяют к соответствующим валам испытательного стенда. При вращении ведущей полумуфты 1 в сторону закручивания пружины 7 (по часовой стрелке, если смотреть со стороны ведущей полумуфты 1) 40 упор М ведущей·полумуфты, контактируя с упором К, вращает регулировочную втулку 15, а через шлицы передает вращение регулировочному узлу 9 с закрепленной на нем пружиной 7. Пру-45 жина 7 закручивается на угол, определяемый приложенным крутящим момен-, том и количеством включенных в работу витков. Пружина передает вращение опорному узлу 8, упор Т которого, KOH-JQ тактируя с упором У ведомой полумуфты 2, вращает ее. При вращении ведущей полумуфты 1 против часовой _fстрелки в сторону раскручивания пружины (если смотреть со стороны.веду-. -щей полумуфты) она вращает закреплен- ³ный в ней вал 3, упор R. которого, контактируя с упором Р опорного узла 8,. вращает его с закрепленной на нем пружиной 7,. В результате пружина 7 опять закручивается на угол, опре- 60 деляемый приложенным моментом и количество витков, включенных в работу. Пружина 7 передает вращение регулировочному узлу 9 и регулировочной втулке 15, упор L , которой, контак- 65 тируя с упором N фланца F, вращает через упругий стакан 5 ведомую полумуфту 2. Для регулировки крутильной жесткости пружины (числа включенных в работу витков) необходимо отпустить винты 11, исключив тем самым зажим пружины 7 между планками' 10 и сегмент, тами 12, Затем при помощи винтов 14 отвести сухари 13 от регулировочной втулки 15. После этого, перемещая регулировочный узел 9 по пружине 7 (навинчивая или свинчивая), устанавливают необходимое количество рабочих витков. Это дает возможность плавно регулировать·крутильную жесткость пружины 7. Доступ к регулировочному узлу 9 осуществляется через отверстия Е в стакане 5, которые выполнены с шагом, равным шагу витков пружины 7 и развернуты на угол , равный углу подъема витков пружины 7. При необходимости имитации жесткости кинематических цепей,большей, чем может обеспечить пружина (больше, чем крутильная жесткость, примерно одного витка), при помощи стопора 16 ведущую полумуфту 1 соединяют с фланцем F упругого стакана 5, крутильная жесткость которого больше максимальной крутильной жесткости, обеспечиваемой ·,пружиной 7, и* передают вращение ведомой полумуфте 2. Пружина 7 в этом случае в работе не участвует. Установка регулировочной втулки 15 и опорного узла 8 на валу 3 с возможностью осевого перемещения исключает появление осевой силы при закручивании пружины 7. Устройство дает возможность ’ производить закрутку пружины с разных сторон, обеспечивая реверсивное вращение. При этом пружина 7 работает устойчиво, так как при вращении и в одном и в другом направлении происходит ее скручивание.Using the leading 1 and driven 2 coupling halves, the device is connected to the corresponding shafts of the test bench. When the driving half coupling 1 rotates in the direction of the spring 7 being twisted (clockwise, when viewed from the leading half coupling 1), the 40 stop M of the leading half coupling, in contact with the stop K, rotates the adjusting sleeve 15, and transfers the rotation through the splines to the adjusting unit 9 with the fixed spring 7 on it. Spring-45 spring 7 is twisted at an angle determined by the applied torque, volume and number of turns included in the work. The spring transmits rotation to the support unit 8, the stop T of which, KOH-JQ, clocking with the stop Y of the driven coupling half 2, rotates it. By rotating coupling part 1 leading counterclockwise in the arrow _f direction unwinding the spring (when viewed from storony.vedu-. -Schey coupling half), it rotates enshrined ³ ny therein a shaft 3, which R. abutment contacting with the focus F of the reference node 8, . rotates it with a spring 7 fixed on it. As a result, the spring 7 is again twisted at an angle determined by the applied moment and the number of turns involved in the work. The spring 7 transfers the rotation to the adjusting unit 9 and the adjusting sleeve 15, the stop L, which, in contact with the stop N of the flange F, rotates the driven coupling half 2 through the elastic cup 5. To adjust the torsional stiffness of the spring (the number of turns included in the work), it is necessary to release screws 11, thereby eliminating the clamping of the spring 7 between the strips' 10 and the segment, tami 12, then using the screws 14 to remove the crackers 13 from the adjusting sleeve 15. Then, moving the adjusting unit 9 along the spring 7 (screw or screw), set the necessary quantity GUSTs active coils. This makes it possible to smoothly adjust the torsional stiffness of the spring 7. Access to the adjusting unit 9 is through the holes E in the cup 5, which are made in increments equal to the pitch of the turns of the spring 7 and deployed at an angle equal to the angle of elevation of the turns of the spring 7. If necessary, simulate stiffness kinematic chains, more than the spring can provide (more than torsional stiffness, about one turn), using the stopper 16, the leading coupling half 1 is connected to the flange F of the elastic cup 5, the torsional stiffness of which is greater than max the torsional stiffness provided by · the spring 7, and * transmit the rotation of the driven coupling half 2. The spring 7 in this case is not involved in the operation. The installation of the adjusting sleeve 15 and the support unit 8 on the shaft 3 with the possibility of axial movement eliminates the appearance of axial force when tightening the spring 7. The device makes it possible to 'twist the spring from different sides, providing reverse rotation. In this case, the spring 7 works stably, since during rotation both in one and the other direction its twisting occurs.

Такое выполнение конструкции предлагаемого устройства обеспечивает имитацию жесткости кинематических цепей по величине - меньшую и большую, чем жесткость одного витка пру^· жины, при вращении в обеих . направ-. лениях, тем самым расширяя пределы имитируемой Жесткости.This embodiment of the design of the proposed device provides an imitation of the rigidity of the kinematic chains in magnitude - smaller and greater than the rigidity of one turn of a spring, when rotating in both. direction. leniya, thereby expanding the limits of simulated Rigidity.

Claims

(54) DEVICE FOR SIMULATION OF HARDNESS OF KINE.MATIC CHAINS The invention relates to mechanical engineering, namely to test equipment, and can be used to simulate the rigidity of various kinematic circuits. A device for simulating the stiffness of kinematic chains, containing a driven and driving half coupling, one end connected to the last shaft, mounted on it with the possibility of axial movement and rotation of the supporting unit, the adjusting unit and the elastic element G connecting it with the supporting unit, is known. A disadvantage of the known device is that it does not allow them to stiffen when reversed and does not provide an imitation of torsion greater than the stiffness of one turn of the elastic element. The purpose of the invention is to expand the pr business of simulated rigidity. This goal is achieved by the fact that the device is equipped with one end connected to the driven coupling half by an elastic cup having a flange on the other end mounted on the shaft with the possibility of axial movement and rotation of the adjusting sleeve, stops placed on the flange, the adjusting sleeve and the leading coupling half providing them alternately interaction, placed on the shaft, the support node and the driven coupling half, also providing alternate interaction of the latter, and a stopper, providing the interaction of the elastic cup with a half coupling, the free end of the shaft is installed in the driven coupling half rotatably around the axis, and the adjustment, the node is placed on the adjustment sleeve with the possibility of turning it along its axis. FIG. 1 shows a device for simulating the rigidity of kinematic chains, a longitudinal section; FIG. 2 is a view A of FIG. one; in FIG. A section BB in FIG. one; in fig. 4 shows a section B-B in FIG. 1J in FIG. 5 is a section of YYD in FIG. 1. The device consists of a leading coupling half 1 and a driven coupling half 2 / intended for connection to the respective shafts of the test bench. In the leading coupling half 1, one end of a rigidly fixed shaft 3, the other end of which is mounted in a bearing 4 mounted in a driven half coupling 2. On the flange of the driven coupling half is fixed an elastic cup b, which with its flange F is mounted on the bearing 6 mounted on the leading coupling half 1. An elastic element, for example, a spring 7, is fastened at one end to a support assembly 8, which is mounted on the shaft 3 with the possibility of axial movement and rotation. The other end of the spring 7 is fixed on the adjusting unit 9. For locking the spring 7 on the adjusting unit 9, the plates 10 are used, which are fixed, by means of screws 11 to the segments 12. The adjusting node 9 is fixed by means of crackers 13 and screws 14 on the adjusting sleeve 15, on the outer surface of which triangular splines are cut for this purpose (not shown in the drawing), and which is mounted on the shaft 3 with the possibility of rotation and axial movement. The adjusting sleeve 15 is provided with an abutment K which contacts the abutment M of the leading half-coupling 1, and an abal L, which contacts with the abutment N located on the flange F. The support assembly 8 is equipped with an abutment P which contacts with the abutment R of the shaft 3, and an abutment T, which is in contact with the stop U located on the driven half coupling 2 On the flange F there is a stopper 16, for accessing the adjusting unit 9 in the elastic cup 5 there are holes E. The device works as follows. With the help of the master 1 and the slave 2 half couplings, the test bench test bench is attached to the corresponding shafts. When rotating the leading half coupling 1 in the direction of spring twisting 7 (clockwise, if you look from the leading coupling half 1), the stop M of the leading coupling half, in contact with the stop K, rotates the adjusting sleeve 15, and through the splines transmits the rotation to the adjusting node 9 with the fixed coupling spring 7. The spring 7 is twisted through an angle determined by the applied torque and curvature of the turns included in the operation. The spring transmits the rotation to the support node 8, the support T of which, to the tactometer with the stop U of the driven half-coupling 2, gushes it. When the leading coupling half 1 rotates counterclockwise in the direction of unwinding the spring (as viewed from the driving half coupling), it rotates the shaft 3 fixed on it, the emphasis R. whose contact with the support P of the support node 8 ,. rotates it with fixed on not. spring 7 .. As a result, spring 7 is twisted again at an angle determined by the applied torque and the number of turns included in the work. Spring 7 transmits rotation to adjusting unit 9 and adjusting ntf-lock 15, stop L, which contacts the stop N of flange F, rotates the driven half coupling through elastic cup 5. To adjust the torsional rigidity of the spring (the number of turns included in the operation), you must release the screws 11, eliminating the spring clamp 7 between the bars 10 and segments 7, 12. crackers 13 from reg cage sleeve 15. After that, moving the adjusting unit 9 along the spring 7 (screwed or screwed), set the required number of working turns. This makes it possible to smoothly adjust the torsional rigidity of the spring 7. Access to the adjusting unit 9 is carried out through the holes E in the bowl 5, which are made in steps equal to the pitch of the turns of the spring 7 and rotated by the angle iX equal to the angle of lift of the turns kinematic chains larger than the spring can provide (greater than the torsional rigidity, approximately one turn), with the help of the stopper 16 the leading coupling half 1 is connected to the flange F of the elastic cup 5, the torsional rigidity of which is greater Maximum Feed torsional stiffness provided a spring 7 and transmitting rotation of the driven floor / coupling

2. Spring 7 in this case is not involved in the work. The installation of the adjusting sleeve 15 and the support assembly 8 on the shaft 3 with the possibility of axial movement eliminates the occurrence of axial force when the spring 7 is tightened. The device makes it possible to twist the spring from different sides, providing reverse rotation. In this case, the spring 7 works stably, since during rotation and in one and the other direction, its twisting occurs. Such an embodiment of the design of the proposed device provides an imitation of the rigidity of the kinematic chains in magnitude — smaller and bolshuk), which is the rigidity of one turn of the spring, when rotating in both. The device for simulating the stiffness of kinematic chains, containing the driven and coupling half, connected at one end to the last shaft, mounted on it with the possibility of axial movement and rotation of the support unit, the adjusting unit and connecting it with an anchor unit an elastic element, characterized in that, c. the purpose of expanding the limits of the simulated rigidity, it is equipped with a single end connected to the driven floor by an elastic cup, having a flange on the other end mounted on the shaft with the possibility of axial lifting and rotation of the adjusting sleeve, stops placed on the flange, adjusting sleeve and leading coupling half, providing them alternate interaction, measured on the shaft, support node and the driven half coupling, also providing alternate interaction of the latter, and a stopper, providing mutual

the action of the elastic cup with the leading half coupling, the free end of the upper shaft is installed in the driven half coupling so that it can be rotated around the axis, and the adjustment unit is placed on the adjustment sleeve to move along its axis.

Sources of information taken into account in the examination

1, USSR Author's Certificate 516931, cl. C 01 M 13/02, 1974 (prototype).

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d. one

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L FIG.

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