CN107191562B - Straight line adjusts driver - Google Patents

Straight line adjusts driver Download PDF

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Publication number
CN107191562B
CN107191562B CN201710071120.4A CN201710071120A CN107191562B CN 107191562 B CN107191562 B CN 107191562B CN 201710071120 A CN201710071120 A CN 201710071120A CN 107191562 B CN107191562 B CN 107191562B
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CN
China
Prior art keywords
screw rod
screw
nut
straight line
trapezoidal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201710071120.4A
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Chinese (zh)
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CN107191562A (en
Inventor
丹尼尔·沃尔夫
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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Publication date
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Publication of CN107191562A publication Critical patent/CN107191562A/en
Application granted granted Critical
Publication of CN107191562B publication Critical patent/CN107191562B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20Screw mechanisms
    • F16H25/205Screw mechanisms comprising alternate power paths, e.g. for fail safe back-up
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20Screw mechanisms
    • F16H2025/2053Screws in parallel arrangement driven simultaneously with an output member moved by the screws

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The present invention relates to straight lines to adjust driver, comprising: the first thread transmission, it is with self-locking the first screw rod and the first nut, first screw flight has the first screw pitch, second thread transmission, the second screw rod and the second nut with non-self-lock-ing, the second screw flight have the second screw pitch, transmission device is configured for that the rotary motion of the first screw rod and the rotary motion of the second screw rod is made to be linked each other with transmission device speed ratio and them is made to take off connection each other.First screw pitch and the second screw pitch and transmission device speed ratio are coordinated with each other, so that moving the first screw rod and the second screw rod kinematically concurrently in the case where the rotary motion of the first screw rod and the second screw rod links.Second screw rod is configured for adjusting driven element on straight line via the second nut in rotary motion, and the first screw rod is configured for adjusting driven element on straight line by the first nut in rotary motion.The invention further relates to another straight lines to adjust driver.

Description

Straight line adjusts driver
Technical field
The present invention relates to a kind of straight lines to adjust driver, particularly for aircraft, such as screw vortex turbine civil aviaton Aircraft.
Background technique
Straight line adjusts the longitudinal movement that driver is used to for the rotary motion of especially screw rod being transformed into especially nut, can To adjust these nuts in the axial direction along screw rod.Straight line adjust driver especially aerospace be in-flight used for wing and In empennage technical field, to stretch out corresponding element or retraction, wherein these elements are awing subjected to high and become The power of change.Because the element is especially particularly critical to safety in flight operation, on the one hand need to prevent these On the other hand the undesirable reset of element needs to realize that straight line adjusts the redundancy of the raising of driver.
A kind of equipment for adjusting driver for card resistance straight line as known to 2,009 028 568 A1 of DE, it includes by motor Driving, non-self-lock-ing movement bolt, screw rod form master driver.The equipment further includes self-locking movement bolt, screw rod Perhaps nut is enduringly effectively connect with motor by transmission device or via capable of switching of disconnecting under no current state Coupling device is releasably can effectively connect.Especially, nut can form the stopper section for screw rod, which forms directly The master driver of line adjusting driver, wherein be directed to corresponding to the screw rod for forming the master driver that straight line adjusts driver Property axially movably, it is self-locking at the same time in the case where synchronously axially adjustable nut.But 2,009 028 568 A1 of DE is still The screw rod of the screw rod of non-self-lock-ing so how can be further driven in the case where master driver fails without instructing.
Summary of the invention
Therefore, the task of the present invention is a kind of straight line adjusting driver is provided, which, which adjusts driving implement, has for card The equipment of resistance, wherein the straight line adjusts the redundancy that driving implement is improved.
The task adjusts driver by straight line according to the present invention and is addressed.Advantageous embodiment is following explanation And the theme of attached drawing.
The first aspect of the present invention is related to a kind of straight line adjusting driver, especially uses in aircraft, such as propeller In turbogenerator aircarrier aircraft, for adjusting its landing flap.It includes the first thread transmission that straight line, which adjusts driver, should First thread transmission has self-locking the first screw rod and the first nut, wherein the first screw flight has the first spiral shell Away from.As discussed below, realized with its first self-locking screw rod and its feed screw nut will be driven for the first thread transmission Function of the element card resistance in the positioning that it is adjusted out in the axial direction by the second thread transmission, or passed in the second screw thread Dynamic failure mechanisms and can not provide driven element it is axially adjustable in the case where as redundantly, realize adjust in the axial direction from The function of dynamic element.
It further includes the second thread transmission that straight line, which adjusts driver, which has the of non-self-lock-ing Two screw rods and the second nut, wherein the second screw flight has the second screw pitch.Second thread transmission is used for second The rotary motion of screw rod is transformed into the second nut along the adjustment campaign of the straight line of the longitudinal axis of the second screw rod.
It can be to drive straight line to adjust driving either by the first self-locking screw rod of driving or by the second screw rod of driving Device, such as by electric motor or in the case of necessary for example via variable speed drive or belt gear.It replaces Selection of land is also it can be stated that both drive the first self-locking screw rod or drive the second screw rod, however wherein, due to filling by following transmissions The linkage possibility set only drives one in two screw rods and is just enough.
The transmission device that straight line adjusts driver is configured for making the rotary motion of the first screw rod and the second screw rod Rotary motion is linked each other with a transmission device speed ratio, especially linear transmission device speed ratio and takes off them each other Connection.Transmission device especially can be the FBSA transmission device of aircraft.FBSA is referred to from for wing flap ball-screw actuator The branch transmission device of main drive shaft.Linkage for rotary motion and de- connection, transmission device can have linkage element, such as The linkage element of energy mechanical switch, the linkage element are configured for making the rotary motion of the first screw rod and the second screw rod each other It links and them is made to take off connection each other.In addition, the linkage element that linkage and de- connection can also be changed by energy cutting is realized, such as logical Motor is overregulated, which can have relatively small size.Electric shaft element especially may be embodied to so that it It is to disconnect (" normally opened ") under no current state.In order to generate transmission device speed ratio, transmission device can have such as gear stage.
Linkage and de- connection can locally be realized especially between transmission device speed ratio portion and the second screw rod, wherein especially The linkage element or power dividing type transmission arrangements that can will switch are between gear set and the second screw rod.It is providing In the case where such arrangement, by the linkage element that can switch, (kraftschl ü ssig) coupling device of force closure can also be with As force-limiting device or load torque limiter (overload protection).In this respect, it is particularly possible to provide, use such as DE 10 Load torque limiter in 2007 045 371 A1 is as the linkage element that can switch.
First screw pitch of the first screw flight and the second screw pitch of the second screw flight and transmission device speed ratio that This coordinates as follows, so that in the case where the rotary motion of the first screw rod and the rotary motion of the second screw rod link, the One screw rod and the second screw rod kinematically concurrently move.In other words, transmission device speed ratio can offset the first screw rod and The different thread pitch of two screw rods, vice versa.Kinematically parallel movement particular it is understood that for the first screw rod and Parallel point on second screw rod is moved in the axial direction with identical speed.
Second screw rod is configured for adjusting driven member on straight line via the second nut in the case where rotary motion Part.Driven element can directly be contacted with the second nut, so that driven element carries out straight line along the second screw rod in the second nut Straight line adjustment equally is carried out along the second screw rod when adjustment.In a kind of particularly simple embodiment, the second nut and driven Element forms structural unit or the second nut may be constructed driven element.Driven element can form single type or at least The frame of two-piece type, the driven element fill the span of a man's arms the second nut and the first nut.Driven element, such as frame especially can be with Two nuts directly contact, and with a gap, perhaps idle stroke separates or with the first nut via elasticity with the first nut Body, for example, at least a spring element connection.
First screw rod is configured for adjusting driven element on straight line via the first nut in rotational movement process. By the screw pitch coordinated with each other of the first screw rod and the second screw rod and by transmission device speed ratio, the first screw rod can make first Nut is moved along the first screw rod as follows in the axial direction, so that the first nut and the second nut and driven element are concurrently Movement.
First nut can be perhaps spaced by gap or idle stroke with driven element separation or via elastomer, Such as it is connect via at least one spring element with driven element.Especially the first nut can be in the axial direction of the first screw rod Driven element is spaced idle stroke.By gap or idle stroke or elastomer, main loads and major power can be with height Efficiency reaches on the second thread transmission.In other words, the second thread transmission can be responsible for the straight line adjustment of driven element, And the first screw rod keeps the first nut and driven element parallel and with having spacing therewith mobile.If the second thread transmission will not The function of adjusting the second nut and driven element on straight line is undertaken again, such as mechanical damage occurs in the second thread transmission Or in the case where fracture, then the first thread transmission can adjust driven element on straight line.First thread transmission Therefore the redundancy for the second thread transmission may be implemented or substitute the function of solution, this is especially in aviation and boat It is advantageous in its aviation applications.
Connection that the is elasticity of first nut or having gap can have stroke sensor or touch sensor, these Sensor is identified relative to the undesirable movement of driven element generation.First nut can with multi-piece type be implemented.First spiral shell Mother, which can also resist, to be connect with the driven element to be moved linearly with the relative rotation or configures relative to the driven element to be moved There are torsion gap or the elastomer of restriction.
It can be realized as follows by the straight line adjustment of the driven element of the first thread transmission, so that the first spiral shell Bar is in rotational movement process with sky first on the direction for not passing through the driven element that the second thread transmission straight line adjusts Stroke adjusts the first nut on straight line, until no longer there is gap and the two each other between the first nut and driven element Against.Then the corresponding straight line of driven element is also caused to adjust the further adjustment of the first nut by the first screw rod.Such as The first nut of fruit and driven element are connected via elastomer, then can be via elasticity to the adjustment of the first nut by the first screw rod Body causes the corresponding straight line of driven element to adjust.
If the rotary motion of the first screw rod and the rotary motion of the second screw rod do not link, the first self-locking screw rod and One nut can carry out card resistance via the adjustment of the second thread transmission to driven element, and therefore prevent undesirable tune It is whole.In this case, the first self-locking screw rod and the first nut realize for card resistance straight line adjust driver or its from The function of the equipment of dynamic element.
It is provided according to a kind of embodiment, for making the rotary motion of the first screw rod and the second screw rod link and the biography of de- connection Dynamic device has the coupling device of force closure, is pre-tightened in closed position and has locking magnet, which is matched It is set to for being taken coupling device in open position in a manner of resisting and pre-tightening.The coupling device of force closure is preferably arranged in self-locking The first movement bolt and the gear stage of transmission device between, the gear stage is for generating transmission device speed ratio and for fixing The second screw rod is driven in linkage.Opposite arrangement plays similar function.The coupling device of force closure can example at nominal conditions It is such as closed by spring force or magnetic force, and can be by locking magnet particularly advantageously in the coupling of slave end card resistance force closure Join device, the locking magnetic is for example including the promotion magnet with locking bolt as armature.Locking magnet can be under no current state Closure.Magnet is locked under energization stream mode to be disconnected, and the coupling device of force closure can transmit revolving speed and torque, so that two A screw rod kinematically moves in the same manner.If locking magnet is switched to no current state, it will be in the first screw shaped The driven shaft or force transmission element of formula lock.Driver idle running, and driven device is static.As a result, on the first and second screw rods Nut no longer moves synchronously, and the driven element to move linearly is by card resistance.
Alternative or addedly, for making the rotary motion of the first screw rod and the second screw rod link and the transmission device of de- connection With power dividing type transmission device.The grade of power dividing type transmission device, such as planetary driving device is Preferably also arranged For generating between the transmission gear grade of transmission device speed ratio and the second screw rod, and realize the first screw rod and second Torque balance between screw rod.According to torque balance, for example, can according to elastomer of first nut on the second screw rod and Torque and the following distribution of revolving speed: the drive for driven element to be adjusted are obtained according to the speed ratio of power dividing type transmission device The major part (being greater than half) of dynamic power is realized via the second screw rod and the second nut.
Power dividing type transmission device can have locking pin, can prevent the first screw rod and the second spiral shell by the locking pin The kinematic concurrent movement of bar.Locking pin is used to driven element being maintained at specific positioning.For this purpose, power dividing type passes Dynamic device has the mechanism for being configured for moving locking pin between latched position and releasing position.In latched position In, locking pin can be for example engaged to as follows in the teeth parts of power dividing type transmission device, so that the first screw rod With the second screw rod is kinematically non-concurrently moves, thus the first screw rod and the second screw rod occur card resistance and it is to be adjusted from Dynamic element is maintained.If being provided with the grade of planetary driving device, locking pin is solid relative to gear ring in its latched position Surely it links, thus obtains for the rotational speed difference for the first screw rod and the second screw rod, and the mutual card resistance of screw rod.Necessary In the case of, it is sufficient to make if driving is different with the efficiency being driven in the reverse direction through the additional traction on external load and gear ring When torque balance can not be taken to the equilibrium state with movement parallel in kinematics by torque, active can also be fully phased out Locking, locking pin for example described above.
First screw rod can have polygonal crosssection, and be configured for transmitting the rotary motion of the first screw rod Onto the sliding sleeve with corresponding polygon Internal periphery.Alternative or addedly, the first screw rod can have axial groove, and And be configured for for the rotary motion of the first screw rod being transmitted on sliding sleeve, which has in corresponding with slot Type is wide.Two kinds of selections are had in common that, can establish the shape in a circumferential direction between the first screw rod and sliding sleeve Shape sealed (formschl ü ssig), the linkage for transmitting rotary motion and torque.Sliding sleeve can be axially along first Screw rod is mobile.The Internal periphery of sliding sleeve may be embodied as it is smooth so that sliding sleeve is in the first screw flight screw pitch It is slid on tip circle, and in this case not moving in the axial direction.Preferably, it can establish or separate in a manner of optional Linkage between first screw rod and sliding sleeve.Sliding sleeve can be with the revolving speed of the first screw rod for example in driven device to be adjusted In perhaps rotate and can be used for herein other driving or locking task and switching and manipulation task on it. For example, sliding sleeve can drive the transmission device of arbitrary structures form, such as the transmission device with gear stage, so as to Make rotary motion for linear motion system in other adjusting task.
According to another embodiment, the first thread transmission can be trapezoidal thread transmission mechanism or angular thread Transmission mechanism, and the second thread transmission can be ball screws transmission mechanism, wherein and the first self-locking screw rod is self-locking Trapezoidal screw screw rod, which has the screw thread of the first screw pitch of band, and the first nut is trapezoidal screw nut, And wherein, the second screw rod of non-self-lock-ing is the ball-recirculation screw rod of non-self-lock-ing, which has the second screw pitch of band Screw thread, and the second nut is ball-recirculation nut.
Trapezoidal thread transmission mechanism or angular thread transmission mechanism especially have the advantages that close by comparing or ratio More threaded line can accommodate extra high axial force.It is possible thereby to realize the particularly reliable card resistance of driven element.Ball The ball-recirculation screw rod of thread transmission can be surrounded for example by ball-recirculation nut, wherein ball is in ball-recirculation spiral shell In threaded line between bar and ball-recirculation nut.Ball can be for example arranged in continuous ball chain, and via ball The ball backward channel of circulation nut from reception ball in threaded line and backs into ball in threaded line again.Alternative is in rolling Pearl backward channel, such as the solution with circulation portions or multiple balls column also can be set.Ball screws transmission mechanism There is extra high efficiency in terms of straight line adjustment.Furthermore cost advantages, the ball screws transmission mechanism have relatively Small diameter and it especially can have independent, redundancy ball column.
Relative to ball screws transmission mechanism, trapezoidal thread transmission mechanism is due to trapezoidal screw nut and trapezoidal screw screw rod Between sliding friction and have lower efficiency and lesser adjusting dynamics so that under normal circumstances advantageously, from The straight line adjustment of dynamic element is completely or largely realized via ball screws transmission mechanism.The self-locking of trapezoidal screw screw rod can To be used for the card resistance of driven element in the case where trapezoidal screw screw rod and ball-recirculation screw rod take off connection.It is lost in ball-recirculation screw rod In the case where effect, the axially adjustable of driven element can be ensured by trapezoidal screw screw rod.
It is provided according to another embodiment, trapezoidal screw nut passes through idle stroke and driven element interval, and in ladder Shape lead screw screw rod is configured for moving upwards simultaneously along trapezoidal screw screw rod in the side of driven element in the case where being driven And thus manipulation is used for the locking member of ball-recirculation screw rod.In other words, if between trapezoidal screw nut and driven element It is provided with idle stroke, then the idle stroke can be used for switching that such as shape is sealed or (the kraftschl ü ssig) of force closure lock Determine element, which can fix ball-recirculation screw rod.
For using locking member it is required that for example by making trapezoid thread screw and the fixed linkage of master driver To drive trapezoid thread screw.If trapezoidal screw spiral shell is locally arranged between transmission device speed ratio portion and ball-recirculation screw rod The linkage of bar and ball-recirculation screw rod or de- connection, then significantly only or only when locking member is not by ball-recirculation screw rod Linkage is just realized when locking.As an alternative, function can also be set between ball screws transmission mechanism and trapezoidal thread transmission mechanism Rate shunt transmission device.Once locking member does not relock ball rotation thread transmission, then ball screws transmission mechanism It can connect and rotate jointly.
Trapezoidal screw nut especially can be spaced null in two sides and driven element in the axial direction of trapezoidal screw screw rod Journey, so that idle stroke is equal in two directions between trapezoidal screw nut and driven element in the case where equidistant position. Locking member can also especially include active element and card resistance element, wherein the movement of active element and card resistance element with it is trapezoidal Feed screw nut links along the movement of trapezoidal screw screw rod.If trapezoidal screw nut is in its equidistant position, card resistance element It may be at card resistance position, in the card resistance position, card resistance element fixes ball-recirculation screw rod.If trapezoidal screw nut court It moves to driven element and is come out from its equidistant position, then trapezoidal screw nut can adjust active element as follows, make Obtaining it makes card resistance element move to releasing position from its card resistance position, in the releasing position, eliminates through card resistance element pair The fixation of ball-recirculation screw rod.
Card resistance element may include the locking pin for the ball of fixed thread transmission mechanism.It can be incited somebody to action by active element Locking pin takes closed position and open position to.Locking pin can be introduced in as follows ball in its closed position and follow In ball return in ring nut, so that the stroke for ball in ball return is blocked.Therefore by that will lock Rationed marketing is taken in its closed position, can prevent the movement of ball and therefore be also prevented from the movement of ball-recirculation screw rod.Locking Pin can be brought out from ball return as follows in its open position, so that being used to roll in ball return The stroke of pearl is released.By the way that locking pin is taken in its open position, ball and be that ball-recirculation screw rod can (again in turn It is secondary) movement.
Locking pin can be pre-tightened for example by spring element for example in its open position.Trapezoidal screw nut can be Locking pin is maintained in its closed position in a manner of the preload for resisting locking pin via active element in its equidistant position.Such as Fruit trapezoidal screw nut moves towards driven element and comes out from its equidistant position and simultaneously therefore shorten idle stroke in side, then pre- Tight locking pin can move in its open position by trapezoidal screw nut via active element.Active element may include Such as straight line bends type exterior feature portion, rack gear, tooth fan, lever or bending disk transmission device on trapezoidal screw nut.
Due to for example vibrating, external load or microcosmic sliding, the accurate kinematics linkage between screw rod can occur Dislocation.Therefore there may be the needs that adjustment again is carried out to linkage.For this purpose, according to another embodiment, the first nut Can be by idle stroke and driven element interval, and straight line adjusting driver can have sensor, and these sensors are matched Be set to for identification: in the case where the rotary motion of the first screw rod and the rotary motion of the second screw rod link, the first screw rod and Whether the second screw rod kinematically concurrently moves, wherein transmission device is configured for, and is recognizing screw rod In kinematics in the case where non-concurrent movement, subsequent connection of the screw rod on the reverse motions direction of screw rod is postponed in time It is dynamic.
First nut especially can be spaced idle stroke in two sides and driven element in the axial direction of the first screw rod, so that Idle stroke is identical in two directions between the first nut and driven element in the case where equidistant position.
It can be set such as speed probe as sensor, in the coupling device especially in transmission device, they are examined Survey the revolving speed of the first screw rod and the second screw rod.At least one positioning can be arranged on the first nut and pass for alternative or addedly Sensor, wherein alignment sensor is configured for axially opposite positioning of the first nut of detection relative to driven element, and And especially determine whether the first nut is in its equidistant position.Furthermore, it is possible to (such as electric motor, straight in driving element Line adjust driver) in be arranged load torque sensor.Furthermore, it is possible in the transmission device coupling device implemented with elastic type Or load sensor is arranged in actuator beairng.
The sensor that foregoing exemplary refers to especially is configured for identifying: the first nut and to be adjusted driven The whether no longer same relative to each other center of element, i.e. the first nut are no longer on its equidistant position or via the first self-locking screw rods Guide the load being improved.It, can be then in counter motion periodic process if such state has been determined by sensor It is closed coupling device, so that the first nut on the first screw rod again returns in the equidistant position of its non-bearing.Pass through coupling device This adjustment, may be implemented enduringly to adjust driven element by the second screw rod and the second nut with high efficiency.
According to the second aspect of the invention, it includes driving element, lock (such as by DE 10 that straight line, which adjusts driver, Shown in 10 2,009 028 152 A1 of 2009 028 151 A1 or DE) or brake, can by driving element drive Drive shaft and multiple transmission devices, these transmission devices are respectively provided with and the input element of driving axis connection and energy and drive shaft The output element of connection and the coupling with load torque limiter (such as by shown in 10 2,007 045 371 A1 of DE) Join device, which has the idle stroke limited and for preventing the torque from output element to input element from passing It passs, wherein lock or brake are pre-tightened in closed state, and wherein, lock or brake prevent from passing through drive Dynamic element drives drive shaft, and wherein, and lock or brake can be brought in a manner of resisting its preload Open position.Output element can be connect with screw driver respectively.Load torque limiter is for input element and output member Part couples.
Lock or brake are " normally closed ", this refers to that under non-operation state be to close under such as no current state It closes.Lock or brake preferably can be manipulated for example by electric motor by driving element.Transmission device Can especially aircraft FBSA transmission device.In the case that the idle stroke of restriction is set in transmission device, pass through driving member The lock or brake (being similar to switching idle running) of part switching can become particularly simple solution.
Straight line, which adjusts driver, can have center manipulation facility, it is used to disconnect lock or brake jointly, or Person is used to switch the coupling device with load torque limiter.Manipulation facility may include such as changer lever, switching matrix or Switch roller, wherein by manipulate facility the exemplary element referred to torsion or axial movement realize lock or While brake and common disconnection or the switching for realizing coupling device.
In the initialization program that each straight line according to a first aspect of the present invention adjusts driver, it can be closed in coupling device Driving element, such as electric motor are rotated in two directions in the case where conjunction, until card resistance occurs (in the electricity of electric motor Stream demand is increased and is identified at revolving speed decline).Revolution between position can be carried out count and from one of them most Final position is adjusted back half.In the positioning, kinematic linkage is established, because the first nut is now in interposition It sets, i.e., in its equidistant position.
For according to a second aspect of the present invention with multiple screw drivers driven by central drive element or The straight line for adjusting driver is adjusted for driver, which also works, as long as driving alternatively for each adjusting Dynamic device can carry out initialization program: can cancel kinematic linkage in adjusting driver to be initiated, wherein All other adjusting drivers are linkages.Most final position can be deleted or be kept (in the feelings of installation load torque limiter Under condition, torque will be located at its activation threshold value hereinafter, so as not to obscure the triggering of most final position and load torque limiter) and It is again in middle position.
Additionally advantageously provide, via idle stroke from disconnect lock (such as similar to pass through DE 10 2,007 045 371 A1, DE 102 009 028 152 are shown in A1 or 10 2,009 028 151 A1 of DE), it is integrated into driving element, master In transmission device or FBSA transmission device.
Detailed description of the invention
The embodiment of the present invention is explained in more detail referring to schematic diagram.Wherein:
Fig. 1 shows the vertical profile view that driver is adjusted with the straight line of trapezoidal thread transmission mechanism and ball screws transmission mechanism Figure, wherein the linkage element that can switch is disposed in front of trapezoidal thread transmission mechanism;
Fig. 2 shows the vertical profile views that driver is adjusted with the straight line of trapezoidal thread transmission mechanism and ball screws transmission mechanism Figure, wherein the linkage element that can switch is disposed in front of ball screws transmission mechanism, and can be by other locking member Part card resistance ball screws transmission mechanism;
Fig. 3 shows the partial longitudinal sectional view that the straight line with locking member adjusts driver, which especially can be with It is adjusted in driver using in straight line according to fig. 2;
Fig. 4 a shows the part that driver is adjusted with the straight line of trapezoidal thread transmission mechanism and ball screws transmission mechanism Longitudinal section view, wherein sliding sleeve is driven by trapezoidal thread transmission mechanism;
Fig. 4 b shows the sectional elevation of the adjusting driver according to Fig. 4 a along cutting line A-A;
Fig. 5 shows the three-dimensional view of the trapezoidal screw screw rod for adjusting driver according to the straight line of Fig. 1 to 4a and 4b, In, trapezoidal screw screw rod is with polygonal crosssection and drives the sliding sleeve with corresponding Internal periphery;
Fig. 6 shows the three-dimensional view using the sliding sleeve on the trapezoidal screw screw rod according to Fig. 5;
Fig. 7 shows the three-dimensional view of the trapezoidal screw screw rod for adjusting driver according to the straight line of Fig. 1 to 4a and 4b, In, trapezoidal screw screw rod has axial groove, and the corresponding outer profile of sliding sleeve may be engaged to wherein;
Fig. 8 shows the longitudinal section view of the coupling device that can switch for adjusting driver according to the straight line of Fig. 1 to 4a and 4b;
Fig. 9 shows the vertical profile view that driver is adjusted with the straight line of trapezoidal thread transmission mechanism and ball screws transmission mechanism Figure, wherein power dividing type transmission device is disposed in front of ball screws transmission mechanism;
Figure 10 shows the line map that straight line according to a second aspect of the present invention adjusts driver, which adjusts driving implement There is the center actuating device for switching coupling device.
Specific embodiment
Fig. 1 shows a kind of embodiment that straight line adjusts driver 1, which, which adjusts driver, has trapezoidal screw-driven First thread transmission of 2 form of mechanism and the second thread transmission in 3 form of ball screws transmission mechanism.
Trapezoidal thread transmission mechanism 2 includes the first self-locking screw rod in self-locking 4 form of trapezoidal screw screw rod and is in First nut of 5 form of trapezoidal screw nut, wherein the screw thread of trapezoidal screw screw rod 4 has the first screw pitch.Ball screws transmission Mechanism 3 includes the second spiral shell in 7 form of the second screw rod and ball-recirculation nut of the non-self-lock-ing of 6 form of ball-recirculation screw rod It is female, wherein the screw thread of ball-recirculation screw rod 6 has the second screw pitch.
Ball-recirculation screw rod 6 (if driven and rotated) is configured for adjusting ball-recirculation nut 7 on straight line. In an illustrated embodiment, ball-recirculation nut 7 constitutes the driven element 8 to adjust on straight line.Driven element 8 includes trapezoidal Feed screw nut 5, wherein driven element 8 with trapezoidal screw nut 5 has separated idle stroke 9 in two sides in the axial direction and/or via bullet Property body is for example connect with trapezoidal screw nut 5 via two spring elements 10.Trapezoidal screw screw rod 4 and ball-recirculation screw rod 6 that This is extended parallel to.
The transmission device in 11 form of FBSA transmission device of aircraft is configured for making the rotation of trapezoidal screw screw rod 4 Movement and the rotary motion of ball-recirculation screw rod 6 are linked each other with a linear transmission device speed ratio and take off them each other Connection.For this purpose, transmission device 11 includes gear stage 12 and the linkage element 13 that can switch, which breaks under non-operation state It opens.Trapezoidal screw screw rod 4 and ball-recirculation screw rod 6 are supported on transmission device 11 in a manner of fixed and revolvable in the axial direction It is interior, and can link and take off each other by the linkage element 13 that can switch and via two gears of gear stage 12 and join.? In embodiment shown in FIG. 1, the linkage between gear stage 12 and trapezoidal screw screw rod 4 or de- connection are realized.
It the screw pitch of first screw thread and the second screw thread and is generated by two gears of the gear stage 12 in transmission device 11 Speed ratio it is coordinated with each other as follows, as long as so that the rotary motion of trapezoidal screw screw rod 4 and ball-recirculation screw rod 6 joins each other Dynamic, they can kinematically be moved concurrently with each other.Trapezoidal screw screw rod 4 and ball-recirculation screw rod 6 can be by not Driving element, such as electrical motor driven shown.Pass through the machinery connection between trapezoidal screw screw rod 4 and ball-recirculation screw rod 6 It is dynamic, trapezoidal screw screw rod 4 and ball-recirculation screw rod 6 can be driven by driving element.
Trapezoidal screw nut 5 is arranged on trapezoidal screw screw rod 4 in a manner of it can move in the axial direction, and anti-opposite rotation Turn ground to connect with driven element 8.The trapezoidal thread of trapezoidal screw screw rod 4 can be protected by anti-with the relative rotation during rotation The trapezoidal screw nut 5 held and move in the axial direction.Ball-recirculation screw rod 6 ball rotation screw thread can in rotary course with Similar mode is moved in the axial direction by the driven element 8 of anti-relative rotation.Ball screws transmission mechanism 3 for drive or Person adjusts driven element 8 in the axial direction, which is supported on rolling by anti-relative rotation but in a manner of capable of moving in the axial direction Pearl recycles on screw rod 6.If the linkage element 13 that can switch makes trapezoidal screw screw rod 4 and ball-recirculation screw rod via gear stage 12 6 link each other, then its rotary motion is transmitted on driven element 8 as translational motion, the driven element by ball-recirculation screw rod 6 Thus it is moved axially along ball-recirculation screw rod 6.
If the rotary motion of trapezoidal screw screw rod 6 and the rotary motion of ball-recirculation screw rod 6 do not link, self-locking ladder The adjustment of 5 card resistance driven element of shape lead screw screw rod 4 and trapezoidal screw nut, and therefore prevent undesirable adjustment.It is self-locking Trapezoidal screw screw rod 4 and trapezoidal screw nut 5 realize in this case for card resistance straight line adjust driver 1 or its The function of the equipment of driven element 8.
In addition, trapezoidal screw screw rod 4 is configured for via trapezoidal screw nut 5 straight in the case where rotary motion Driven element 8 is adjusted on line.Pass through the screw pitch coordinated with each other of trapezoidal screw screw rod 4 and ball-recirculation screw rod 6, trapezoidal screw spiral shell Bar 4 can make trapezoidal screw nut 5 mobile axially along trapezoidal screw screw rod 4 as follows, so that trapezoidal screw spiral shell Mother 5 concurrently moves with ball-recirculation nut 7 and driven element 8.
By idle stroke 9 or elastomer 10, main loads and major power can expeditiously reach ball screws biography On motivation structure 3.Therefore ball screws transmission mechanism 3 is responsible for the straight line adjustment of driven element 8, at the same time, trapezoidal screw screw rod 4 Move trapezoidal screw nut 5 concurrently with driven element 8.If ball screws transmission mechanism 3 is no longer able to undertake in straight line It is upper adjustment ball-recirculation nut 7 and driven element 8 function, such as ball screws transmission mechanism 3 occur mechanical damage or In the case where fracture, then trapezoidal thread transmission mechanism 2 can adjust driven element on straight line.Trapezoidal thread transmission mechanism 2 because This may be implemented the redundancy for ball screws transmission mechanism 3 or substitutes the function of solution.
The straight line adjustment of driven element 8 can be realized as follows by trapezoidal thread transmission mechanism 2, so that trapezoidal Lead screw screw rod 4 is in rotational movement process first not pass through the driven element 8 of 3 straight line of ball screws transmission mechanism adjustment Idle stroke 9 on direction adjusts trapezoidal thread nut 5 on straight line, until between trapezoidal screw nut 5 and driven element 8 not There is gap again and the two abuts against each other.It is subsequent by further adjustment of the trapezoidal screw screw rod 4 to trapezoidal screw nut 5 The corresponding straight line of driven element 8 is caused to adjust.If trapezoidal screw nut 5 is connect with driven element 8 via elastomer 10, The corresponding straight of driven element 8 can be caused via elastomer 10 to the adjustment of trapezoidal screw nut 5 by trapezoidal screw screw rod 4 Line adjustment.
For the operation of straight line adjust drivers 1, it is provided with initialization program and is carried out by unshowned sensor The program for the linkage between adjustment screw rod 4 and 6 again.It is accurate to move due to vibration, external load or microcosmic sliding Linkage on may misplace.If the revolving speed in the linkage element 13 that can be switched according to (respectively having one on two axis) Alignment sensor on sensor, trapezoidal screw nut 5, according in elastic linkage portion or bearing load sensor or horse Recognize up to torque: trapezoidal screw nut 5 and ball-recirculation nut 7 or driven element 8 to be adjusted are no longer same relative to each other Center, or the load being improved is guided via trapezoidal screw screw rod 4, then then closure linkage is first in the reversed period of motion Part 13, so that trapezoidal screw nut again returns to in-between, equidistant and non-bearing positioning.
Straight line according to the present invention adjust driver by embodiment shown in Fig. 2, realize gear stage 12 and Linkage or de- connection between ball-recirculation screw rod 6.Arrangement in this way is locked by the power that the linkage element 13 that can switch carries out Coupling for closing is also used as force-limiting device or load torque limiter (overload protection).In this respect especially it can be stated that Use load torque limiter shown in 10 2,007 045 371 A1 of DE as the linkage element 13 that can switch.
In addition, the difference of embodiment shown in Fig. 2 and the embodiment according to Fig. 1 is trapezoidal screw nut 5 and driven member Biggish idle stroke 9 between part 8.From figure 3, it can be seen that when rotating trapezoidal screw screw rod 4, it is anti-by anti-twist mechanism 14 The trapezoidal screw nut 5 connecting with the relative rotation with driven element 8 is along trapezoidal screw screw rod 4 on the direction of driven element 8 Movement, and thus the trapezoidal thread nut manipulates the locking member 15 for ball-recirculation screw rod 6.
Fig. 3 shows that ball-recirculation screw rod 6 is surrounded by ball-recirculation nut 7, wherein ball 17 is in and follows in ball In threaded line 16 between ring screw rod 6 and ball-recirculation nut 7.Ball 17 is arranged in continuous ball chain, and via rolling The ball backward channel 18 of pearl circulation nut 7 receives ball from threaded line 16 and backs into ball in threaded line again. Such ball screws transmission mechanism 3 can be for example using in the straight line adjust drivers according to Fig. 1,2 and 9.According to Fig. 3 has been respectively separated the trapezoidal screw nut 5 of idle stroke 9 in the axial direction of trapezoidal screw screw rod 4 in two sides and driven element 8 In equidistant position, in the equidistant position, idle stroke 9 is in both direction between trapezoidal screw nut and driven element 8 It is upper equal.
Locking member 15 includes active element 19 and card resistance element 20, wherein the fortune of active element 19 and card resistance element 20 It is dynamic to link with trapezoidal screw nut 5 along the movement of trapezoidal screw screw rod 4.If trapezoidal screw nut 5 is in its equidistant position, Then card resistance element 20 is in card resistance position, and in the card resistance position, card resistance element is fixed by ball-recirculation screw rod 6.If trapezoidal Feed screw nut 5 is moved towards driven element 8 and is come out from its equidistant position, then trapezoidal screw nut 5 can be adjusted as follows Whole active element 19 in the releasing position, is cancelled so that it makes card resistance element 20 move to releasing position from its card resistance position Fixation by card resistance element 20 to ball-recirculation screw rod 6.
For this purpose, card resistance element 20 includes the locking pin 21 of the ball 17 for fixed thread transmission mechanism 3.By activation member Part 19 can take locking pin 21 to closed position and open position.Locking pin 21 can be as follows in its closed position It is introduced in the ball return 18 in ball-recirculation nut 7, so that the row for ball 17 in ball return 18 Journey is blocked.Therefore by taking locking pin 21 to its closed position, the movement of ball 17 can be prevented and being therefore also prevented from The movement of ball-recirculation screw rod 6.Locking pin 21 can be drawn from ball return 18 as follows in its open position Out, so that the stroke for ball 17 in ball return 18 is released.By taking locking pin 21 to its open position In, ball 17 and be that ball-recirculation screw rod 6 can move (again) in turn.
Locking pin 21 is pre-tightened in its open position by spring element 22.Trapezoidal screw nut 5 is in its equidistant position In locking pin 21 is maintained in its closed position in a manner of the preload for resisting locking pin via active element 19.If trapezoidal Feed screw nut 5 moves towards driven element 8 and comes out from its equidistant position and simultaneously therefore shorten idle stroke 10 in side, then is pre-tightened Locking pin 21 can be moved in its open position by trapezoidal screw nut 5 via active element 19.Reality shown in Fig. 3 It applies in example, active element includes the straight line bends type exterior feature portion 23 on trapezoidal screw nut 5.For using being needed for locking member 15 It wants, such as drives trapezoid thread screw 6 by making the driving element with shown in of trapezoid thread screw 6 link.Only or It only just realizes and links in the case that locking member 15 does not lock ball-recirculation screw rod 6.
Straight line according to the present invention adjust the embodiment presented by the part Fig. 4 a and 4b of driver 1 with it is shown in FIG. 1 Embodiment similarly has trapezoidal thread transmission mechanism 2 and ball screws transmission mechanism 3 and unshowned transmission device, the biography Dynamic device can for example be implemented according to shown in Fig. 1,2 or 9.Trapezoidal screw screw rod 4 has polygonal crosssection (Fig. 4 b), and by It is disposed for being transmitted to the rotary motion of trapezoidal screw screw rod 4 on the sliding sleeve 24 with corresponding polygon Internal periphery (Fig. 4 b).Figures 5 and 6 show trapezoidal screw screw rod 4 and corresponding sliding sleeve 24, and the polygon that they are respectively provided with alternative is transversal The polygon Internal periphery (sliding sleeve) of face (trapezoidal screw screw rod) or alternative.Trapezoidal screw screw rod 4 can also be as shown in Figure 7 There is axial groove 25 like that and be configured for for the rotary motion of trapezoidal screw screw rod 4 being transmitted to 24 (Fig. 7 of sliding sleeve In be not shown) on, which has corresponding with slot 25 inner mold wide.Common ground is for the alternative shown in, Can establish sealed shape in a circumferential direction between trapezoidal screw screw rod 4 and sliding sleeve 24, transmitting rotary motion and The linkage of torque.Sliding sleeve 24 can be mobile axially along trapezoidal screw screw rod 4.The Internal periphery of sliding sleeve 24 can be with Be embodied as it is smooth so that sliding sleeve 24 slides on the tip circle of the thread pitch of trapezoidal screw screw rod 4 and in this feelings It is not moved in the axial direction under condition.Sliding sleeve 24 on driven device 8 to be adjusted with the rotational speed of trapezoid thread screw and Drive have other gear stage 27 other transmission device 26, so as to make rotary motion for linear motion system In other adjusting task.
Fig. 8 shows the linkage element that can switch in 28 form of coupling device that can switch, and is used for machinery described below Upper reversed locking design.Such as the rotation by being used to make trapezoidal screw screw rod 4 and ball-recirculation screw rod 6 shown in Fig. 1 and 2 The transmission device 11 of movement linkage and de- connection can have the coupling device 28 of the force closure of energy switching shown in Fig. 8.It can switch Coupling device 28 has disc 29, and is pre-tightened in closed position by spring holder 30.The coupling device that can switch further includes lock Determine magnet 31, is configured for taking coupling device 28 in open position in a manner of resisting and pre-tighten.Force closure couples Device 28 be preferably arranged in the transmission device 11 for generating transmission device speed ratio gear stage 12 and ball-recirculation screw rod 6 it Between, wherein axis 6 shown in left side ' extends to gear stage 12 (referring to fig. 2) in fig. 8.The coupling device 28 of force closure is in positive reason It is closed, and can particularly advantageously be locked in slave end card resistance power by locking magnet 31 by the spring force of spring holder 30 under condition The coupling device of conjunction, the locking magnet include the promotion magnet 32 with locking bolt 33 as armature in an illustrated embodiment.Lock Determine magnet 31 to be closed under no current state.The coupling device 28 that the disconnection of magnet 31 and force closure are locked under energization stream mode passes Revolving speed and torque are passed, so that two screw rods 4 and 6 (referring to fig. 2) kinematically similarly move.If locking magnet 31 cut No current state is changed to, then it will be locked in the element of the driven shaft of 6 form of ball-recirculation screw rod or transmission force.Driver is empty Turn, and driven device is static.The nut 5,7 (referring to fig. 2) on screw rod 4,6 no longer moves synchronously as a result, and move along a straight line from Element 8 (referring to fig. 2) is moved by card resistance.
Straight line according to the present invention adjusts the embodiment as shown in Figure 9 of driver 1 with embodiment shown in Fig. 2 similarly With trapezoidal thread transmission mechanism 2 and ball screws transmission mechanism 3 and with the transmission device 11 of gear stage 12.For to ladder The rotary motion of shape lead screw screw rod 4 and ball-recirculation screw rod 6 link and the transmission device 11 of de- connection has power dividing type Transmission device 35, rather than the linkage element 13 (referring to fig. 2) that can switch.Power dividing type transmission device 35 is (real shown in Apply the grade in example for planetary driving device) it is arranged between the gear stage 12 of transmission device 11 and realizes in trapezoidal screw spiral shell Torque balance between bar 4 and ball-recirculation screw rod 6.According to torque balance, according to trapezoidal screw nut 5 in trapezoidal screw screw rod Elastomer on 4 and torque and the following distribution of revolving speed are obtained according to the speed ratio of power dividing type transmission device 34: for The major part (being greater than half) of the driving power of the driven element 8 of adjustment is via ball-recirculation screw rod 6 and ball-recirculation spiral shell Mother 7 realizes.
In order to keep driven element 8, unshowned locking pin card resistance driver can be passed through.In this case, it locks It sells and fixedly links relative to the gear ring 35 of planetary driving device 34, to obtain different revolving speeds, thus card resistance screw rod drive Dynamic device 2,3.In the case of necessary, it is sufficient to make if driving is different with the efficiency being driven in the reverse direction through external load and tooth Additional drag torque on circle 35 and when can not take torque balance to equilibrium state, the lock of active can also be fully phased out Fixed, such as locking pin.
Figure 10 shows straight line and adjusts driver 36, with driving element 37, lock 38 (such as by DE 10 2009 As shown in 028 151 A1 or 10 2,009 028 152 A1 of DE) and have can be by driving element 37 via main transmission The drive shaft 40 that device 39 drives.Multiple FBSA transmission devices 41 for aircraft respectively include the input connecting with drive shaft 40 Element, the output element that can be connect with drive shaft 40 and, for example, negative by having shown in 10 2,007 045 371 A1 of DE The coupling device of lotus limiter of moment has the idle stroke limited and for avoiding the torque from output element to input element Transmitting.The output element of FBSA transmission device 41 is connect with linear screw driver 42 respectively.
Lock 38 is pre-tightened in closed state, in this closed condition, lock prevent by driving element 37 come Drive drive shaft 40.Lock 38 can also be taken to open position in a manner of resisting its preload.Lock 38 is " normally closed " , it means that it is closure in the state of unsteered state, such as no current.Lock 38 can preferably pass through drive Dynamic element 37 is for example manipulated by electric motor.Straight line, which adjusts driver 1, also there is center to manipulate facility, it is used for FBSA Coupling device in transmission device 41 is switched jointly.Manipulate facility includes changer lever 43 in an illustrated embodiment, it can be with It reverses by actuator 44 or moves in the axial direction, to cause to switch over to the coupling device in FBSA transmission device 41.
Appended drawing reference
1 straight line adjusts driver
2 trapezoidal thread transmission mechanisms
3 ball screws transmission mechanisms
4 trapezoidal screw screw rods
5 trapezoidal screw nuts
6 ball-recirculation screw rods
7 ball-recirculation nuts
8 driven elements
9 idle strokes
10 spring elements
11 FBSA transmission devices
12 gear stages
The 13 coupling device elements that can switch
14 anti-twist mechanisms
15 locking members
16 threaded lines
17 balls
18 ball return
19 active elements
20 card resistance elements
21 locking pins
22 spring elements
23 bending type exterior feature portions
24 sliding sleeves
25 axial grooves
26 other transmission devices
27 other gear stages
28 coupling devices
29 discs
30 spring holders
31 locking magnets
32 promote magnet
33 brake bars
34 power dividing type transmission devices
35 gear rings
36 straight lines adjust driver
37 driving elements
38 locks
39 main drives
40 drive shafts
41 FBSA transmission devices
42 linear screw drivers
43 changer levers
44 actuators

Claims (9)

1. a kind of straight line adjusts driver (1) comprising
- the first thread transmission (2), first thread transmission have self-locking the first screw rod (4) and the first spiral shell Female (5), wherein the screw thread of first screw rod (4) has the first screw pitch,
- the second thread transmission (3), second thread transmission have the second screw rod (6) and second of non-self-lock-ing Nut (7), wherein the screw thread of second screw rod (6) has the second screw pitch,
Transmission device (11), the transmission device are configured for making the rotary motion of first screw rod (4) and described The rotary motion of two screw rods (6) is linked each other with transmission device speed ratio and them is made to take off connection each other,
Wherein
The second screw pitch and transmission of the screw thread of the first screw pitch and second screw rod (6) of the screw thread of first screw rod (4) Device speed ratio is coordinated with each other as follows, so that rotary motion and second screw rod (6) in first screw rod (4) Rotary motion moves first screw rod (4) and second screw rod (6) kinematically concurrently in the case where linking,
Second screw rod (6) is configured for linearly adjusting via second nut (7) in rotary motion driven Element (8), and
First screw rod (4) is configured for linearly adjusting via first nut (5) in rotary motion driven Element (8).
2. straight line according to claim 1 adjusts driver (1), wherein for making first screw rod (4) and described the The rotary motion of two screw rods (6) links and the transmission device (11) of de- connection is with the coupling device (28) of force closure, the coupling device Locking magnet (31) is pre-tightened and had in closed position, and the locking magnet is configured for resist the side pre-tightened The coupling device (28) are taken to open position by formula.
3. straight line according to claim 1 or 2 adjusts driver (1), wherein for making first screw rod (4) and institute The transmission device (11) of the rotary motion linkage and de- connection of stating the second screw rod (6) has power dividing type transmission device (34).
4. straight line according to claim 3 adjusts driver (1), wherein power dividing type transmission device (34) tool Have locking pin, by the locking pin can prevent first screw rod (4) and second screw rod (6) it is kinematic simultaneously Row movement.
5. straight line according to claim 1 or 2 adjusts driver (1), wherein first screw rod (4) has polygon Cross section, and first screw rod is configured for for the rotary motion of first screw rod (4) being transmitted to having and correspond to Polygon Internal periphery sliding sleeve (24) on.
6. straight line according to claim 1 or 2 adjusts driver (1), wherein first screw rod (4) has axial groove (25), and first screw rod is configured for for the rotary motion of first screw rod (4) being transmitted to has and slot (25) on the sliding sleeve (24) of corresponding inner mold exterior feature.
7. straight line according to claim 1 or 2 adjusts driver (1), wherein first thread transmission (2) is Trapezoidal thread transmission mechanism and second thread transmission (3) is ball screws transmission mechanism, wherein self-locking first Screw rod (4) is self-locking trapezoidal screw screw rod, and the trapezoidal screw screw rod has the screw thread of the first screw pitch of band, and described first Nut (5) is trapezoidal screw nut, and wherein, and the second screw rod (6) of non-self-lock-ing is the ball-recirculation screw rod of non-self-lock-ing, described Ball-recirculation screw rod has the screw thread of the second screw pitch of band, and second nut (7) is ball-recirculation nut.
8. straight line according to claim 7 adjusts driver (1), wherein the trapezoidal screw nut passes through idle stroke (9) It is spaced with driven element (8), and in the case where trapezoidal screw screw rod is driven, the trapezoidal thread nut is configured to use In moving upwards along the trapezoidal screw screw rod in the side of the driven element (8), and thus, manipulation is followed for the ball The locking member (15) of ring screw rod.
9. straight line according to claim 1 or 2 adjusts driver (1), wherein first nut (5) passes through idle stroke (9) it is spaced with the driven element (8), and the straight line adjusts driver (1) with sensor, the sensor is configured For identification: the case where the rotary motion for the rotary motion and second screw rod (6) for making first screw rod (4) links Under, whether first screw rod (4) and second screw rod (6) kinematically concurrently move, wherein the transmission device (11) it is configured for, recognizing screw rod (4,6) in the case where kinetically non-concurrent movement, postpones in time Subsequent linkage of the screw rod (4,6) on the reverse motions direction of the screw rod (4,6).
CN201710071120.4A 2016-03-14 2017-02-09 Straight line adjusts driver Expired - Fee Related CN107191562B (en)

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DE102016204133.9A DE102016204133A1 (en) 2016-03-14 2016-03-14 Linear actuator
DE102016204133.9 2016-03-14

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