CN1049722C - Double-acting dynamic back gap eliminating driving system - Google Patents
Double-acting dynamic back gap eliminating driving system Download PDFInfo
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- CN1049722C CN1049722C CN94101718A CN94101718A CN1049722C CN 1049722 C CN1049722 C CN 1049722C CN 94101718 A CN94101718 A CN 94101718A CN 94101718 A CN94101718 A CN 94101718A CN 1049722 C CN1049722 C CN 1049722C
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Abstract
The present invention relates to a double-acting driving system dynamic back clearance elimination, which is mainly provided with two worm screw groups, wherein the two worm screw groups are used as a motive worm screw and a controlling worm screw for displacement and are coupled with a worm gear; when the system is driven, turning driving is quickly applied to one group of worm screws to apply constant force to a worm gear group; the other group of worm screws are used as the controlling worm screw for displacement and are coupled with the worm gear group (or a coaxial locking separate worm gear group with the same pitch or different pitches). owing to the acting force of the worm screw applying force on the worm gear, the controlling worm screw for displacement is constantly pressed tightly on the worm gear in the reverse direction; the worm gear group is in irreversible transmission, and thus, the worm gear and the two worm screws are in a gapless state.
Description
The present invention relates to a kind of double-acting dynamic back clearance-eliminating driving system, described double-acting dynamic back clearance-eliminating driving system comprises mainly that force application driving body, displacement amount are controlled kinetochore and by kinetoplast.
The applicant discloses a kind of double-acting dynamic back clearance-eliminating driving system in first to file CN92102601.3, described double-acting dynamic back clearance-eliminating driving system has the worm gear pole group of irreversible transmission to constitute, comprise two groups of worm screws groups that are coupled with worm gear, when system is driven, wherein one group of former moving worm screw is applied rotary driving force continuously, other one group of worm screw is that displacement amount is controlled worm screw, because the worm screw group is irreversible transmission, therefore be gapless state between worm gear and two worm screws, and constitute by the load back clearance state poor dynamic back clearance-eliminating driving system of regulating the speed voluntarily, by this principle, if when the speed of controlling that makes displacement amount control worm screw is lower than the former moving worm screw of the application of force, then can reach the purpose that dynamic back clearance is eliminated in the motion.But neglect when speed and to neglect slow or during in the high frequency clockwise and anticlockwise, worm screw causes mechanicalness to impact to worm gear easily soon.Influence the running of whole system, and worm and worm wheel are damaged.
Purpose of the present invention just is to provide a kind of double-acting dynamic back clearance-eliminating driving system, and it can not only be eliminated kinetochore and by the back clearance between the kinetoplast, can also make the running of this pair ejector half drive system steadily stable.
Above-mentioned purpose utilizes double-acting dynamic back clearance-eliminating driving system of the present invention to realize.Its main composition comprises: irreversible to transmission by kinetoplast A, and two groups with described by kinetoplast coupling kinetochore as power resources, wherein one group is force application driving body B, another group is handled kinetochore C for displacement amount, two groups can be exchanged, described force application driving body B or displacement amount handle kinetochore C to irreversible to transmission by the transmission of the kinetoplast A application of force, to constitute two-way transmission, wherein when static, it is static that force application driving body B and displacement amount are handled kinetochore C, but force application driving body B is the couple state that pushes driving fit with being in by kinetoplast A, displacement amount is handled kinetochore C and is the couple state that blocks driving fit with being in by kinetoplast A, is no back clearance state thereby controlled kinetochore C by kinetoplast A and force application driving body B and displacement amount; When drive displacement, force application driving body B is for being applied promotion pressure by the pushing closed surface of kinetoplast, because controlling kinetochore C, displacement amount is in by the retardance driving fit position of kinetoplast A, and it is irreversible to transmission to be by kinetoplast A that displacement amount is controlled kinetochore C, therefore controlled generation one static pressure between the kinetochore C by kinetoplast and displacement amount, do when loosening in the other direction according to the pressurized direction when controlling the displacement amount control device, the pine of being controlled kinetochore C by displacement amount by kinetoplast A moves back driven quantity and chases driving, when displacement amount manipulation kinetochore C stops, this system still is in original no back clearance state of rest, when reverse direction actuation, kinetochore B does the function exchange with handling kinetochore moment, and exchange moment does not have back clearance and produces; The power resources that described force application driving body B and displacement amount are controlled kinetochore C comprise single power source combined type drive system, or independent power source separated type drive system, wherein the actuating speed of the power source of force application driving body is controlled the actuating speed of kinetochore greater than displacement amount, and it is poor to regulate the speed voluntarily according to the back clearance load condition, and velocity relationship is then opposite during counter-rotating; Described double-acting dynamic back clearance-eliminating driving system also comprises:
The inertia that kinetochore and displacement amount are controlled kinetochore suppresses auxiliary means of retardation, described means of retardation is a kind of by means of mechanical sliding friction formula or fluid retardance formula or electromagnetic eddy retardance formula means of retardation, this device can guarantee that when driving link drives its retardancy is greater than driving link inertia, make when interrupting or during specific velocity variations, can suppress worm screw inertia from the power source of drive system; Described driving link inertia suppresses auxiliary means of retardation and is arranged between driving link one end and the static casing;
Static brake auxiliary device, the complementary braking brake that this device is controlled by machinery or stream power or electromagnetism are controlled, produce the effect of braking brake when staying in state of rest for a long time in system, guarantee that the closely connected property between driving link and the Passive part do not become flexible by external force, described static brake auxiliary device is arranged between driving link one end and the static casing.
Above-mentioned drive system can be the worm and gear structure, also can be screw rod and tube-in-tube structure, to drive worktable or mechanical structure.For example be used for the drive system on the mechanical dividing dish.
Following conjunction with figs. describes the preferred embodiments of the present invention of the present invention, the i.e. feature of worm and gear double-acting dynamic back clearance-eliminating driving system and advantage in detail:
Fig. 1 unites driving embodiment schematic representation for the single power source double driving shafts of this double-acting dynamic back clearance-eliminating driving system;
Fig. 2 controls worm screw for this double-acting dynamic back clearance-eliminating driving system by means of former moving worm screw rigidity drive displacement amount and is slidably couple drive embodiment schematic representation of higher speed limit torsion;
Fig. 3 unites driving Application Example schematic representation for this single power source;
Fig. 4 distributes schematic representation for Fig. 3 is just changeing driving power;
Fig. 5 distributes schematic representation for Fig. 3 driving power that reverses;
Fig. 6 is that the independent power source separated type of this double-acting dynamic back clearance-eliminating driving system drives embodiment's schematic representation.
Fig. 1 unites the driving example for the single power source double driving shafts, mainly comprises in the structure shown in Figure 1:
---as former moving input and with the small gear 101 and former moving worm screw 102 equidirectional revolutions of handgrip (or accepting motivational drive), and by means of the limit torsion coupling device 103 former moving worm screw 102 of coupled drive between two parties slidably, the reverse reduction gear 104 that small gear 101 is coupled is slowed down and reversed turning power for producing, when reduction gear 104 is made reverse direction actuation, drive displacement amount through a folk prescription to the coupled drive of transmission device 107 and control worm screw 105, and then drive worm gear 106 jointly with former moving worm screw and produce according to the load back clearance state poor double-acting dynamic back clearance-eliminating driving system of regulating the speed voluntarily; Displacement amount is controlled worm screw 105 and is equipped with the second former moving middle gear 111 ', and by a limit torsion slidably coupling device 113 be coupled in displacement amount and control worm screw 105, middle gear 111 ' except that with the middle gear 101 ' coupling of another group on worm screw, with the small gear 111 of its interlock and with another group worm screw on slow down and the reversed turning power for producing with the reverse reduction gear 114 of its coupling, through folk prescription drive worm screw 102 when the coupled drive of transmission device 117 drives to make opposite direction in reduction gear 114, and then drive 105 pairs of wheels 106 of worm screw with displacement amount and do reverse driving, make two worm screws exchange function, the thrust face of worm gear and retardance face are also exchanged simultaneously and do not have the commutation back clearance, and regulate the speed double-acting dynamic back clearance voluntarily poor and eliminate according to load back clearance state and drive, has transmission middle gear 101 ' and 111 ' intercouple (or have intermediate gear or other transmission components constitute) between the aforementioned first former moving small gear 101 and the second former moving small gear 111 in addition, be rightabout drive connection between the two, in handgrip 100 clockwise and anticlockwise drive, to drive worm gear respectively; Above-mentioned limit torsion slidably coupling device comprises that electromagnetic type and mechanical type constitute, and TV structure space kenel is selected required mutual transmission component such as bevel gear or straight-tooth or other transmission components, and wheels in the middle of can optionally adding, relative, also can change into the driving that makes above-mentioned former moving worm screw on arranging to the application of force drive mechanism of two worm screws groups is rigidity, and slidably coupled drive and displacement amount are controlled worm screw and jointly the load worm gear made zero-clearance and change driving anyway and the driving that displacement amount is controlled worm screw is for the limit torsion of very fast rotating speed;
---worm screw inertia suppresses auxiliary means of retardation D1000: constituted with means of retardation by means of mechanical sliding friction formula or stagnant formula of stream mechanical resistance or electromagnetic eddy retardance formula etc. by a kind of, this device can need and be installed according to system, to guarantee its retardancy greater than worm screw inertia when the worm drive, when power source from drive system is interrupted or specific mitigation slow down and can suppress worm screw inertia really in (Slow Down) process; This worm screw inertia suppresses the auxiliary device D1000 of stagnating and is arranged between the end and static casing of two worm screws;
---static brake auxiliary device B1000: be the complementary braking brake of controlling by means of machinery or stream power or electromagnetism are controlled, property installing according to need, produce the effect of braking brake when staying in state of rest for a long time, do not become flexible by external force to guarantee the closely connected property between worm and wheel in system; This static brake auxiliary device B1000 is for being installed between one of two worm screws end and static casing.
Figure 2 shows that former moving worm screw rigidity drive displacement amount control worm screw be higher speed limit torsion slidably couple drive form the embodiment of double-acting dynamic back clearance-eliminating driving system; System shown in Figure 2 is for making wherein with described in Fig. 1 the distribution train between operation input side to two group worm screw being made to adjust that the actuating speed BS of the power source of force application driving body B and the pass of the drive displacement speed CS that displacement amount is controlled kinetochore C are BS≤CS, and it is poor to regulate the speed voluntarily according to load back clearance state, and wherein BS comprises the state that is static and has the driving static pressure, same, then closing during counter-rotating is CS≤BS.
The constituted mode of aforementioned driving power is described as follows:
---independent power source separated type drive system: its constitutive characteristic is that (1) is as driving running for controlled torsion between the drive motor of two kinetochores; (2) kinetochore is different with the driving rotating speed of controlling kinetochore, and latter's rotating speed is very fast;
---single power source combined type drive system: it is characterized by to make through the distribution of train and transport to kinetochore and the rotating speed that is activated by kinetoplast is lower than transport to displacement amount to control kinetochore to make the rotating speed that is activated by kinetoplast from the rotary motive power source, and transfer to rotary motive power system that displacement amount controls kinetochore through a mechanical type or electromagnetic type radially or in-line configuration can select to be coupled the slidably revolution coupling device of torsion being coupled it, and kinetochore and displacement amount are controlled the speed difference of kinetochore in the automatic distribution system.
Main composition contains in the structure shown in Figure 2:
---former moving input and with the gearwheel 201 and former moving worm screw 210 equidirectional revolutions of handgrip (or Receiver power drive), and by means of folk prescription to the transmission device 205 former moving worm screw 210 of coupled drive between two parties, gearwheel 201 is coupled reverse accelerating gear 202 for producing acceleration and reversed turning power, through a limit torsion slidably the coupled drive of coupling device 207 when accelerating gear 202 is made reverse direction actuation, drives displacement amount and controls worm screw 209, and then drive worm gear 211 jointly with former moving worm screw and produce the double-acting dynamic back clearance of regulating the speed poor voluntarily and eliminate driving according to load back clearance state; Displacement amount is controlled worm screw 209 and is equipped with the second former moving middle gear 202 ' that connects with accelerating gear 202, and jointly by means of a limit torsion slidably coupling device 207 be coupled in displacement amount and control worm screw 209, middle gear 202 ' for former moving worm screw on the middle gear 203 ' coupling that run through, middle gear 203 ' also connects and slidably installs 208 by means of limit torsion jointly with small gear 203 and be coupled in former moving worm screw 210, the small gear 203 of its connection slows down and reversed turning power for the reverse reduction gear 204 with another group worm screw 209 couplings is imposed, be provided with folk prescription drive worm screw 209 when the coupled drive of transmission device 206 drives to make opposite direction in reduction gear 204 between reduction gear 204 and the worm screw 209, and then worm gear 211 is done reverse driving with worm screw, make two worm screws exchange function, the thrust face of worm gear and retardance face are also exchanged simultaneously and do not have the commutation back clearance, and eliminate according to the double-acting dynamic back clearance that load back clearance state is regulated the speed poor voluntarily and to drive;
---worm screw inertia suppresses auxiliary means of retardation D1000: constituted by means of known means of retardations such as mechanical sliding friction formula or stagnant formula of stream mechanical resistance or electromagnetic eddy retardance formulas by a kind of, to guarantee its retardancy greater than worm screw inertia when the worm drive, when power source from drive system is interrupted or specific mitigation slow down and can suppress worm screw inertia really in (Slow Down) process; This worm screw inertia suppresses auxiliary means of retardation D1000 for being arranged between one of two worm screws end and static casing;
---static brake auxiliary device B1000: be the complementary braking brake of controlling by means of machinery or stream power or electromagnetism are controlled, property installing according to need, produce the effect of braking brake when staying in state of rest for a long time, do not become flexible by external force to guarantee the closely connected property between worm and wheel in system; This static brake auxiliary device B1000 is for being installed between one of two worm screws end and static casing.
Figure 3 shows that the separated type train application examples of the former combined type drive system of single action power, be mainly will two groups of worm screws of input train be divided into three groups and be paired into:
---former moving worm screw 301 and displacement amount are controlled worm screw 302 and are coupled in the drive wheel 305,306 and the tool limit torsion that are provided with tool unidirectional transmission 303,304 respectively and slidably install 307,308 drive wheel 309,310, and drive wheel 309 and limit torsion are provided with unidirectional transmission 317 between slidably installing 307 simultaneously, and drive wheel 310 and limit torsion are provided with unidirectional transmission 318 between slidably installing 308 simultaneously; Former moving worm screw 301 and displacement amount are controlled worm screw 302 and are locked drive wheel 311,312 admittedly with key or other modes respectively, and drive wheel 311 and 310 coupled drive, its coupled relation be drive wheel 311 diameters greatly and drive wheel 310 diameters are less; Drive wheel 309 and 312 coupled drive, its coupled relation are that drive wheel 312 diameters are big and drive wheel 309 diameters are less; In addition, drive wheel 305 and 306 coupled drive, its coupled relation is the constant speed relation;
---former moving worm screw 301 and displacement one are controlled 302 footpaths of worm screw and are intercoupled by unidirectional transmission 303,304 driving wheel group that are coupled 305,306, and in clockwise and anticlockwise drives, as input worm screw is power transmission by wheels wherein, and another wheels are idle running, and are just changeing and reversing its effect on the contrary;
---driving wheel group 309 on the former moving worm screw 301 slidably installs 307 and the unidirectional transmission 317 and former moving worm screw 301 couplings of mat and 307 ring sets by means of limit torsion, and wheels 309 also intercouple with the driven worm screw 302 solid wheels of locking 312;
---driving wheel group 310 on the driven worm screw 302 by means of limit torsion slidably install 308 and by means of with the unidirectional transmission 318 and driven worm screw 302 couplings of 308 ring sets, wheels 310 also intercouple with the wheels 311 of former moving worm screw 301 solid locks;
---worm screw inertia suppresses auxiliary means of retardation D1000: constituted by means of known means of retardations such as sliding friction formula or stagnant formula of stream mechanical resistance or electromagnetic eddy retardance formulas by a kind of, this device can need and be installed according to system, to guarantee its retardancy greater than worm screw inertia when the worm drive, when power source from drive system is interrupted or specific mitigation slow down and can suppress worm screw inertia really in (Slow Down) process; This worm screw inertia suppresses auxiliary means of retardation D1000 and is arranged between the end and static casing of two worm screws;
---static brake auxiliary device B1000: be the complementary braking brake of controlling by means of machinery or stream power or electromagnetism are controlled, property installing according to need, produce the effect of braking brake when staying in state of rest for a long time, do not become flexible by external force to guarantee the closely connected property between worm and wheel in system; This static brake auxiliary device B1000 is installed between the end and static casing of two worm screws.
Fig. 4 is the just commentaries on classics of the described single power source of Fig. 3 associating drive train power division schematic representation when driving; Fig. 5 is the counter-rotating of the described single power source of Fig. 3 associating drive train power division schematic representation when driving; Its power flow direction is shown in arrow among the figure, and wherein P100 is for driving input power, the P101 power loss that torsion slidably installs of exceeding, and P102 is a worm and worm gear group power loss, P103 is an output power.
This design also can be independent power source separated type drive system embodiment as shown in Figure 6, for controlling two groups of the worm screw worm screws groups with the worm gear coupling through having as former moving worm screw and displacement amount, directly driven individually or driven through the gear transmission by two groups of rotary motive power unit institutes that can control torsion and rotating speed respectively, turn to relation and torsion relation that two rotary motive power unit and worm screw are organized and control have following feature respectively:
---rotary motive power unit 601 and 602: for for directly or through indivedual speed change gears 603 and 604 being coupled in indivedual worm screws groups 605 and 606, by the power unit that is made of the hydraulically actuated or power-actuated interchange of air pressure or DC brush or brushless type motor is constituted:
---control unit CCU607:, following properties is arranged for supplying to control this two groups of power units:
(1) controlled output speed has between its rotating speed and outputting torsion with what outputting torsion increasing rotating speed reduced and adjusts a characteristic with the speed of carrying;
(2) in controlled outputting torsion size and overburden or when retardance, still keep torsion to load;
(3) two groups of rotary motive power unit are accepted to control controlling of unit and are done other gyratory directions and torsion control, particularly control two groups of rotary motive power unit according to this function of double-acting dynamic back clearance-eliminating driving system do relative gyratory directions output and do the output of variable speed ratio rotating speed, than low-rotate speed to serve as the absolute actuating speed of decision worm and worm gear group, and turn to and proportionate relationship by means of exchanging two groups of rotary motive power unit simultaneously, with all gapless characteristic in the forward and reverse change of direction that forms this double-acting dynamic back clearance-eliminating driving system and the motion or when static;
Further can add following auxiliary device in the aforementioned structure to promote its stability when the various drive condition:
---worm screw inertia suppresses auxiliary means of retardation D1000: constituted by means of known means of retardations such as mechanical sliding friction formula or stagnant formula of stream mechanical resistance or electromagnetic eddy retardance formulas by a kind of, this device can need and be installed according to system, to guarantee its retardancy greater than worm screw inertia when the worm drive, when power source from drive system is interrupted or specific mitigation slow down and can suppress worm screw inertia really in (Slow Down) process; This worm screw inertia suppresses auxiliary means of retardation D1000 for being arranged between one of two worm screws end and static casing;
---static brake auxiliary device B1000: be the complementary braking brake of controlling by means of machinery or stream power or electromagnetism are controlled, property installing according to need, produce the effect of braking brake when staying in state of rest for a long time, do not become flexible by external force to guarantee the closely connected property between worm and wheel in system; This static brake auxiliary device B1000 is for being installed between one of two worm screws end and static casing.
This double-acting dynamic back clearance-eliminating driving system can further install the angular displacement detection device additional at the associated drives displacement structure, to increase the convenience person of its operation.
This double-acting dynamic back clearance-eliminating driving system is adjusted the driving of structure except that being applied to the angular displacement of rotary table mechanism, should comprise the no back clearance bi-directional drive person of the angular displacement that is applied to other mechanisms or mechanical device.
Claims (7)
1. double-acting dynamic back clearance-eliminating driving system, its main composition comprises: irreversible to transmission by kinetoplast A, and two groups with described by kinetoplast coupling kinetochore as power resources, wherein one group is force application driving body B, another group is handled kinetochore C for displacement amount, two groups can be exchanged, described force application driving body B or displacement amount handle kinetochore C to irreversible to transmission by the transmission of the kinetoplast A application of force, to constitute two-way transmission, wherein when static, it is static that force application driving body B and displacement amount are handled kinetochore C, but force application driving body B is the couple state that pushes driving fit with being in by kinetoplast A, displacement amount is handled kinetochore C and is the couple state that blocks driving fit with being in by kinetoplast A, is no back clearance state thereby controlled kinetochore C by kinetoplast A and force application driving body B and displacement amount; When drive displacement, force application driving body B is for being applied promotion pressure by the pushing closed surface of kinetoplast, because controlling kinetochore C, displacement amount is in by the retardance driving fit position of kinetoplast A, and it is irreversible to transmission to be by kinetoplast A that displacement amount is controlled kinetochore C, therefore controlled generation one static pressure between the kinetochore C by kinetoplast and displacement amount, do when loosening in the other direction according to the pressurized direction when controlling the displacement amount control device, the pine of being controlled kinetochore C by displacement amount by kinetoplast A moves back driven quantity and chases driving, when displacement amount manipulation kinetochore C stops, this system still is in original no back clearance state of rest, when reverse direction actuation, kinetochore B does the function exchange with handling kinetochore moment, and exchange moment does not have back clearance and produces; The power resources that described force application driving body B and displacement amount are controlled kinetochore C comprise single power source combined type drive system, or independent power source separated type drive system, wherein the actuating speed of the power source of force application driving body is controlled the actuating speed of kinetochore greater than displacement amount, and it is poor to regulate the speed voluntarily according to the back clearance load condition, and velocity relationship is then opposite during counter-rotating; It is characterized in that described double-acting dynamic back clearance-eliminating driving system also comprises:
By means of mechanical sliding friction formula or fluid retardance formula or electromagnetic eddy retardance formula means of retardation, when driving, can guarantee driving link that its retardancy is greater than driving link inertia, make when interrupting or during specific velocity variations from the power source of drive system, can suppress the kinetochore of worm screw inertia and inertia that displacement amount is controlled kinetochore and suppress auxiliary means of retardation, be arranged between driving link one end and the static casing;
By the complementary braking brake that machinery is controlled or stream power or electromagnetism are controlled, produce the effect of braking brake when staying in state of rest for a long time in system, guarantee the static brake auxiliary device that the closely connected property between driving link and the Passive part is not become flexible by external force, described static brake auxiliary device is arranged between driving link one end and the static casing.
2. double-acting dynamic back clearance-eliminating driving system as claimed in claim 1, it is characterized in that, described driving link is a worm screw, described Passive part is a worm gear, one as the small gear (101) of motive force input by between two parties a limit torsion former moving worm screw of coupling device coupled drive (102) slidably, and with the equidirectional rotation of described former moving worm screw (102), produce deceleration and reversed turning power with the reverse reduction gear (104) of small gear coupling, reduction gear (104) by a folk prescription to the coupled drive of transmission device in reduction gear (104) when making reverse direction actuation, drive displacement amount and control worm screw, and then drive the double-acting dynamic back clearance elimination driving that worm gear (106) generation is regulated the speed poor according to load back clearance state voluntarily jointly with former moving worm screw (102); Displacement amount is controlled worm screw (105) and is equipped with the second former moving middle gear (111 '), its by means of a limit torsion slidably coupling device (113) be coupled in displacement amount and control worm screw (105), middle gear (111 ') except that with former moving worm screw (102) on middle gear (101 ') coupling, produce with the small gear (111) of its interlock and reverse reduction gear (114) on the former moving worm screw (102) and to slow down and reversed turning power, through a folk prescription to the coupled drive of transmission device (117) to drive worm screw (102) when making reversing drive in reduction gear (114).
3. double-acting dynamic back clearance-eliminating driving system as claimed in claim 1, it is characterized in that, described driving link is a worm screw, described Passive part is a worm gear, one as the gearwheel (201) of motive force input by between two parties a folk prescription to transmission device (205) the former moving worm screw of coupled drive (210), and with the equidirectional rotation of described former moving worm screw (210), produce acceleration and reversed turning power with the reverse accelerating gear (202) of gearwheel coupling, reverse accelerating gear (202) by a limit torsion slidably the coupled drive of coupling device at accelerating gear (202) when making reverse direction actuation, drive displacement amount and control worm screw (209), and then drive the double-acting dynamic back clearance elimination driving that worm gear (211) generation is regulated the speed poor according to load back clearance state voluntarily jointly with former moving worm screw (210); For making two worm screws exchange function, the thrust face of worm gear and retardance face are exchanged simultaneously and do not have the commutation back clearance, and regulate the speed double-acting dynamic back clearance voluntarily poor and eliminate according to load back clearance state and drive, between accelerating gear (202) and former moving small gear (203), have transmission middle gear (202 ') and (203 ') intercouples.
4. double-acting dynamic back clearance-eliminating driving system as claimed in claim 1, it is characterized in that described driving link is a worm screw, described driven member is a worm gear, and the train of importing two groups of worm screws is divided into three assembly to the separated type train with formation single power source combined type drive system, wherein
---former moving worm screw (301) is controlled worm screw (302) with displacement amount and is coupled in drive wheel (309), (310) that the drive wheel (305), (306) and the tool limit torsion that are provided with tool unidirectional transmission (303), (304) slidably install (307), (308) respectively, and drive wheel (309) and limit torsion slidably install and are provided with unidirectional transmission (317) between (307) simultaneously, drive wheel (310) with limit torsion slidably to adorn to be provided with unidirectional transmission (318) between (308) simultaneously; Former moving worm screw (301 and displacement amount control worm screw (302 and lock drive wheel (311), (312) admittedly with key or alternate manner respectively, and drive wheel (311) and (310) coupled drive, its coupled relation is that drive wheel (311) diameter is big and drive wheel (310) diameter is less; Drive wheel (309) and (312) coupled drive, its coupled relation are big and drive wheel (309) the diameter smaller of drive wheel (312) diameter; In addition, drive wheel (305) and (306) coupled drive, its coupled relation is the constant speed partaker;
---former moving worm screw (301) and displacement amount are controlled between worm screw (302) via unidirectional transmission (303), (304) driving wheel group that is coupled (305), (306) intercouple, and in clockwise and anticlockwise drives, as input worm screw is power transmission by wheels wherein, and another wheels are idle running, and its effect is the opposite when forward and reverse;
---driving wheel group (309) the mat limit torsion that former moving worm screw (301) goes up slidably installs the unidirectional transmission (317) and former moving worm screw (301) coupling of (307) and mat and (307) ring set, wheels (309) and with driven worm screw (302) admittedly the wheels (312) of lock intercouple;
---driving wheel group (310) the mat limit torsion that driven worm screw (302) goes up slidably installs the unidirectional transmission (318) and driven worm screw (302) coupling of (308) and mat and (308) ring set, wheels (310) and with former moving worm screw (301) admittedly the wheels (311) of lock intercouple.
5. double-acting dynamic back clearance-eliminating driving system according to claim 1, this system can be an independent power source separated type drive system, for having two groups of worm screws with worm gear coupling controlling worm screw as former moving worm screw and displacement amount, the mat work organizes, directly driven individually or driven through the gear transmission by two groups of rotary motive power unit institutes that can control torsion and rotating speed respectively, turn to relation and torsion relation that two rotary motive power unit and worm screw are organized and control have following feature respectively:
---rotary motive power unit 601 and 602: for being coupled in indivedual worm screws groups 605 and 606, by the power unit by air pressure or hydraulically actuated or electric drive is constituted for direct or the indivedual speed change gears 603 and 604 of warp;
---control unit CCU607:, following properties is arranged for supplying to control this two groups of power units:
(1) controlled output speed, between its rotating speed and outputting torsion tool with outputting torsion strengthen rotating speed minimizings with the speed of carrying an adjustment characteristic;
(2) in controlled outputting torsion size and overburden or when retardance, still keep torsion to load;
(3) two groups of rotary motive power unit are accepted to control controlling of unit and are done indivedual gyratory directions and torsion control, particularly control two groups of rotary motive power unit according to this function of double-acting dynamic back clearance-eliminating driving system do relative gyratory directions output and do the output of variable speed ratio rotating speed, serving as that the absolute actuating speed of decision worm and worm gear group and mat exchange two groups of rotary motive power unit simultaneously and turn to and proportionate relationship than low-rotate speed, all there is not the characteristic person of the gap with the forward and reverse change of direction that forms this double-acting dynamic back clearance-eliminating driving system and in moving or when static;
6 according to claim 1 double-acting dynamic back clearance-eliminating driving systems can further install angular displacement detection device person additional at the associated drives displacement structure.
7. double-acting dynamic back clearance-eliminating driving system according to claim 1 except that being applied to the angular displacement adjustment driving of rotary table mechanism, should comprise the no back clearance bi-directional drive of the angular displacement that is applied to other mechanisms or mechanical device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94101718A CN1049722C (en) | 1994-02-21 | 1994-02-21 | Double-acting dynamic back gap eliminating driving system |
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|---|---|---|---|
| CN94101718A CN1049722C (en) | 1994-02-21 | 1994-02-21 | Double-acting dynamic back gap eliminating driving system |
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| CN1107213A CN1107213A (en) | 1995-08-23 |
| CN1049722C true CN1049722C (en) | 2000-02-23 |
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| CN94101718A Expired - Fee Related CN1049722C (en) | 1994-02-21 | 1994-02-21 | Double-acting dynamic back gap eliminating driving system |
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| KR20120015738A (en) * | 2010-08-13 | 2012-02-22 | 두산인프라코어 주식회사 | Table rotation apparatus for a machine tool |
| CN102306028B (en) * | 2011-05-06 | 2013-04-17 | 成都钟顺科技发展有限公司 | Adaptive rotation device for sun tracking and working method for adaptive rotation device |
| CN103662764B (en) * | 2013-11-27 | 2015-09-09 | 浙江大丰实业股份有限公司 | Reversing arrangement |
| CN103878600B (en) * | 2014-03-26 | 2016-08-24 | 宜昌市致远新技术有限公司 | Twin worm disappears gap static pressure closed-loop workbench |
| MX365838B (en) * | 2014-12-04 | 2019-06-17 | Eddy Current Lp | Transmissions incorporating eddy current braking. |
| CN104948672B (en) * | 2015-07-01 | 2018-08-21 | 王烽 | Gapless gear worm speed reducer |
| IT201600085441A1 (en) * | 2016-08-16 | 2018-02-16 | Luis Maria Antonello | MOTORCYCLE REDUCER WITH CONTROLLED OR NOTHING |
| CN108306450B (en) * | 2018-01-19 | 2019-11-22 | 源秩科技（上海）有限公司 | Line angle coupling driving mechanism |
| CN108945090B (en) * | 2018-07-17 | 2020-05-19 | 北京汽车股份有限公司 | Method and device for improving abnormal sound of electric power steering system and automobile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685346A (en) * | 1984-03-13 | 1987-08-11 | Maxaxam Corporation | Power transmission system |
| US5090267A (en) * | 1990-11-21 | 1992-02-25 | Gramling James T | Indexing apparatus |
-
1994
- 1994-02-21 CN CN94101718A patent/CN1049722C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685346A (en) * | 1984-03-13 | 1987-08-11 | Maxaxam Corporation | Power transmission system |
| US5090267A (en) * | 1990-11-21 | 1992-02-25 | Gramling James T | Indexing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1107213A (en) | 1995-08-23 |
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