CN206943351U - A kind of speed changer - Google Patents

A kind of speed changer Download PDF

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Publication number
CN206943351U
CN206943351U CN201720487736.5U CN201720487736U CN206943351U CN 206943351 U CN206943351 U CN 206943351U CN 201720487736 U CN201720487736 U CN 201720487736U CN 206943351 U CN206943351 U CN 206943351U
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China
Prior art keywords
runner
guide rail
rotating disk
driving
move
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CN201720487736.5U
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Chinese (zh)
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王宝林
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王宝林
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Abstract

The utility model discloses a kind of speed changer, including support frame, the rotating disk and the tumbler of rotation connection rotating disk that are rotatably arranged on support frame, guide rail is provided with support frame, spacing is provided with continuous scale on the length direction of guide rail, and the extended line of guide rail is vertical with the rotating shaft of rotating disk;Tumbler includes runner, driving member and actuator, runner is rotatablely connected rotating disk, and vertically the rotational plane with rotating disk, actuator driving driving member are slidably arranged on guide rail the rotational plane of runner, driving member slides along guide rail causes the turned position of runner and frictional disk to change.Gear ratio change is realized in the structure, runner change of frictional position on rotating disk, and conversion process is continuous, in the absence of the hysteresis of time.Driving member moves along the direction of guide rail, avoids the deformation of runner rotating shaft and phenomena such as transmission jump, clamping stagnation occurs, the length direction of guide rail is provided with continuous scale, and scale corresponds to corresponding gearratio, can realize the accurate control of gearratio.

Description

A kind of speed changer
Technical field
Transmission accessory technical field is the utility model is related to, more particularly, to a kind of speed changer.
Background technology
Plant equipment operating is realized to be needed to be driven during function, each not phase of the speed used required for different field Together, the rotating speed in plant equipment initial driving force source is single, therefore in order to realize that the output of different rotating speeds needs to use speed changer, initially Power source carries out speed change by speed changer, so as to export required rotating speed, and then realizes the function of plant equipment, while speed changer The output of a variety of gearratios can be realized simultaneously, better meet the use demand of plant equipment.
In the prior art, speed changer is one-level one-level transition when carrying out speed change, and speed-change process is unsmooth, and speed change There is delay, it is impossible to realize the continuity of power well.Therefore buncher arises at the historic moment, because buncher is in speed change Process is smooth, no-delay, so as to which the continuity of power be effectively ensured.Existing buncher, it is complicated, in some utilizations Friction is realized in the speed changer of variable speed, is become due to utilizing the change for changing frictional position to realize between driving wheel and driven pulley Speed, it is easily deformable using rotating shaft for a long time so that rotating shaft in use because the rotating shaft of driven pulley will bear the power of radial direction Guidance quality be deteriorated, have a strong impact on the effect of speed change.
Therefore it provides a kind of speed changer, to ensure the guidance quality of driven pulley, and then ensures the effect of speed change, just turns into Those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of speed changer, to ensure the guidance quality of driven pulley, and then ensures speed change Effect.
To achieve these goals, the utility model provides a kind of speed changer, including support frame, is rotatably arranged on the branch Rotating disk on support and the tumbler for being rotatablely connected the rotating disk, guide rail, the length of the guide rail are provided with support frame as described above Spacing is provided with continuous scale on degree direction, and the extended line of the guide rail is vertical with the rotating shaft of the rotating disk;
The tumbler includes runner, driving member and actuator, and the runner is rotatablely connected the rotating disk, and described turn Vertically the rotational plane with the rotating disk, the actuator drive the driving member to be slidably arranged in described lead to the rotational plane of wheel On rail, the driving member slides along the guide rail causes the turned position of the runner and frictional disk to change.
Preferably, the driving member includes move portion, supporting part and output section, and the move portion is through the supporting part and institute It is affixed to state runner, the supporting part is fixed on the actuator, and is slidably arranged on the guide rail, and the output section is slided It is sleeved on the outside of the move portion.
Preferably, the supporting part includes bearing and the sliding block being fixed on the bearing outer ring, the inner ring of the bearing Suit is fixed in the outside of the move portion, and the sliding block is fixed on the actuator, and the actuator drives the sliding block Slided along the guide rail.
Preferably, the output section is tubular structure, and its inner peripheral surface offers at least two along its circumferencial direction spacing Internal keyway.
Preferably, the output section is rod-like structure, and its outer circumference surface offers along its circumferencial direction along its length Spline, the quantity of key is consistent with the quantity of the internal keyway on the spline, corresponding to the key on the spline is slidably arranged in In the internal keyway.
Preferably, the actuator is cylinder, and the free end of the cylinder is affixed with the sliding block, the freedom of the cylinder Direction of the direction of motion at end along the guide rail.
Preferably, the free end stroke of cylinder is less than the length of the guide rail.
Preferably, the contact surface of the rotating disk and the runner is pasted with rubber layer, and the runner is rubber wheel.
Preferably, the power output of the driving member or input are provided with electronic-controlled power steering part, and the electronic-controlled power steering part makes The power output or input direction for obtaining the driving member change.
Preferably, the electronic-controlled power steering part is tapered gear.
Speed changer provided by the utility model, including support frame, it is rotatably arranged on rotating disk on support frame as described above and turns The tumbler of the connection rotating disk is moved, guide rail is provided with support frame as described above, spacing is set on the length direction of the guide rail There is a continuous scale, the extended line of the guide rail is vertical with the rotating shaft of the rotating disk;The tumbler include runner, driving member and Actuator, the runner are rotatablely connected the rotating disk, and the vertical rotational plane with the rotating disk of the rotational plane of the runner, The actuator drives the driving member to be slidably arranged on the guide rail, and the driving member is slided along the guide rail so that described The turned position of runner and frictional disk changes.In above-mentioned speed changer, including support frame, the support frame are consolidated with plant equipment It is fixed, rotated on support frame and be provided with rotating disk, rotating disk is disc structure, and the axle center of the rotating disk is connected with rotating shaft, and rotating shaft is set with machinery Standby power source rotation connection, power source drive axis of rotation, rotating shaft drive rotating disk to rotate, it is pointed out that rotating shaft passes through axle Forward to move and be fixed on support frame, the outer face of runner is vertically set on the rotating exterior surface of rotating disk, the outer circumference surface of runner Rotating exterior surface with rotating disk is to against rotating disk rotational band turn wheel is rotated, and driving member is slidably arranged on guide rail, and guide rail prolongs Long line perpendicular to rotating disk center of rotation, one end of driving member with runner by being welded and fixed, the rotational plane and rotating disk of runner Rotational plane it is vertical, and the vertical radius of gyration with rotating disk of the rotational plane of runner, actuator is affixed affixed with driving member, opens Dynamic actuator, actuator drive driving member along guide rail to close to disk axes closer or far from direction move, when runner is close Gearratio is small during rotating disk center of rotation, when runner makes gearratio big away from rotating disk center of rotation.Set along its length on guide rail Continuous scale is equipped with, the scale is corresponding with the gearratio of rotating disk and runner, and when needing fixed gearratio, actuator drives Dynamic driving member along guide rail reach to should gearratio scale, driving member drives runner in dial movement to fixed position, now The power exported by driving member is the gearratio data being previously set.
Based on said structure, rotating disk is driving wheel, and runner is driven pulley.In different drive ratios conversion process is realized, turn Wheel realized relative to the change of rotating disk frictional position, runner relative to rotating disk move when, this conversion process is continuous process, is not deposited In the jumping characteristic of speed change, while temporal hysteresis is not present in conversion process.Guide rail, guide rail are set on driving member simultaneously It is fixedly connected with support frame, driving member is limited by guide rail and can only moved along the direction of guide rail, and runner is connected in driving member Rotating shaft guide rail it is spacing it is lower effectively overcome being acted on by rotating disk radial load for runner rotating shaft, avoid due to runner rotating shaft Deformation and occur transmission jump, transmission clamping stagnation phenomena such as, so as to ensure that the effect of speed change, while in the length side of guide rail Continuous scale is set up, the scale corresponds to corresponding gearratio, and this kind sets the accurate control that can realize gearratio And adjustment.
In a preferred embodiment, speed changer provided by the utility model, the driving member include move portion, Supporting part and output section, the move portion is affixed through the supporting part and the runner, and the supporting part is fixed in the driving Part, and be slidably arranged on the guide rail, the output section slip cap is mounted in the outside of the move portion.In said structure, pass Moving part includes three parts, and respectively move portion, supporting part and output section, wherein move portion is fixedly connected with runner, works as runner During rotation, move portion is rotated simultaneously, and supporting part support move portion, move portion and supporting part are rotatablely connected, move portion with it is defeated Go out portion for rotation connection, output section is sleeved on the outside of move portion, and when move portion rotates with runner, move portion drives output section Rotate, output section is exported power.Move portion is connected with actuator simultaneously, and actuator starts driving supporting part and transported along slide rail Dynamic, supporting part drives runner to be moved relative to rotating disk so that runner changes with respect to the turned position of rotating disk, turns when runner is close During the axis that disk rotates, now gearratio is small, and when runner is close to the edge of rotating disk, now gearratio is big, by changing runner The gearratio between rotating disk and runner is caused to change with the relative rotation position of rotating disk, so as to realize the purpose of speed change.Drive Moving part drives supporting part to move along the rail, and due to being suit connection between move portion and output section, move portion position does not become Change, when move portion is moved away from disk shaft, output section is sleeved on the outside of move portion, and now move portion is bit by bit inserted In output section, now driven by rotating wheel move portion rotates, and move portion drives output section to rotate;When move portion is close to disk shaft motion When, output section is sleeved on the outside of move portion, and now move portion bit by bit deviates from output section, and now driven by rotating wheel move portion turns Dynamic, move portion drives output section to rotate.Based on said structure, move portion and output section while powered rotation output is realized, Transmission distance is driven the change of distance, in other words, the outgoing position of output section by the mobile realization of move portion between the two Do not change, drive support member to move along the rail by actuator so that move portion drives rotational plane of the runner along rotating disk It is mobile, the conversion for realizing gearratio is engaged in by the turned position changed between runner and rotating disk, and realize speed change.
In a preferred embodiment, speed changer provided by the utility model, the supporting part include bearing and The sliding block being fixed on the bearing outer ring, the inner ring suit of the bearing are fixed in the outside of the move portion, the sliding block It is fixed on the actuator, the actuator drives the sliding block to be slided along the guide rail.In the structure, supporting part includes two Individual part, respectively bearing and sliding block, it is between the two welding or mode connects for screw, sliding block is fixed on the outside of the outer ring of bearing, together When sliding block be slidably arranged in rail, the inner ring of bearing suit is fixed on the excircle part of move portion, and actuator leads to sliding block Cross welding or mode connects for screw is fixed, actuator motion band movable slider is slided along guide rail, and the bearing being connected with sliding block, which drives, to be moved Dynamic portion moves along guide rail, and then move portion drives runner to carry out evolution with respect to the plane of rotation of rotating disk.The selection of bearing is main Using its own feature, inner ring and movement are affixed, and outer ring is affixed with sliding block, and move portion is when the band moving-wire of runner rotates, inner ring With respect to outer ring rotating, when sliding block drives outer ring motion, Internal and external cycle is without moving axially relative, therefore both move along guide rail simultaneously It is dynamic, and move portion is moved along guide rail, the mesh of speed change, in the position of rotating disk rotational plane, is realized so as to drive runner to change 's.
In a preferred embodiment, speed changer provided by the utility model, the output section are tubular structure, Its inner peripheral surface offers at least two internal keyways along its circumferencial direction spacing.In said structure, output section is tube-in-tube structure, together When in sleeve inner offer continuous internal keyway, internal keyway opens up inner circle circumferential direction of the direction along sleeve, while internal keyway Fluting direction it is consistent with the length direction of sleeve, open up internal keyway on the one hand can rotate when be supplied to output section axially drive Power so that output section can be rotated with move portion, and so as to realize the output of power, on the other hand, sleeve is along output section Output section can be supplied to accurately to be oriented to during relative movement so that speed-change process more smoothes out, so as to which speed change be effectively ensured Effect.
Brief description of the drawings
Fig. 1 is the structural representation front view of speed changer.
Wherein, 1 is rotating disk;2 be tumbler
21 be runner, and 22 be driving member, and 23 be actuator, and 221 be move portion, and 222 be bearing, and 223 be sliding block, and 224 are Output section;
3 be support frame;31 be guide rail.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.
Fig. 1 is refer to, Fig. 1 is the structural representation front view of speed changer.
In a kind of embodiment, speed changer provided by the utility model, including support frame 3, it is rotatably arranged on Rotating disk 1 on support frame as described above 3 and the tumbler 2 for being rotatablely connected the rotating disk 1, guide rail 31 is provided with support frame as described above 3, Spacing is provided with continuous scale, the rotating shaft of the extended line of the guide rail 31 and the rotating disk 1 on the length direction of the guide rail 31 Vertically;The tumbler 2 includes runner 21, driving member 22 and actuator 23, and the runner 21 is rotatablely connected the rotating disk 1, And vertically the rotational plane with the rotating disk 1, the actuator 23 drive the driving member 22 to the rotational plane of the runner 21 It is slidably arranged on the guide rail 31, the driving member 22 slides turn for causing the runner 21 and frictional disk along the guide rail 31 Dynamic position changes.In above-mentioned speed changer, including support frame 3, the support frame 3 are fixed with plant equipment, rotated on support frame 3 Rotating disk 1 is provided with, rotating disk 1 is disc structure, and the axle center of the rotating disk 1 is connected with the power source turn of rotating shaft, rotating shaft and plant equipment Dynamic connection, power source drive axis of rotation, rotating shaft drive rotating disk 1 to rotate, it is pointed out that rotating shaft is rotated solid by bearing 222 Be scheduled on support frame 3, the outer face of runner 21 is vertically set on the rotating exterior surface of rotating disk 1, the outer circumference surface of runner 21 with The rotating exterior surface of rotating disk 1 to against, the rotational band turn wheel 21 of rotating disk 1 is rotated, and driving member 22 is slidably arranged on guide rail 31, The extended line of guide rail 31 perpendicular to rotating disk 1 center of rotation, one end of driving member 22 with runner 21 by being welded and fixed, runner 21 Rotational plane it is vertical with the rotational plane of rotating disk 1, and the vertical radius of gyration with rotating disk 1 of the rotational plane of runner 21, driving Part 23 is affixed affixed with driving member 22, starts actuator 23, and actuator 23 drives driving member 22 along guide rail 31 to close to the axle of rotating disk 1 The heart closer or far from direction move, when runner 21 is close to 1 center of rotation of rotating disk, gearratio is small, when runner 21 is away from rotating disk 1 Center of rotation makes gearratio big.Continuous scale is provided with guide rail 31 along its length, the scale and rotating disk 1 and runner 21 gearratio is corresponding, and when needing fixed gearratio, actuator 23 drives driving member 22 to be reached along guide rail 31 to should The scale of gearratio, driving member 22 drive runner 21 to move to fixed position in rotating disk 1, are now exported by driving member 22 dynamic Power is the gearratio data being previously set.
Based on said structure, rotating disk 1 is driving wheel, and runner 21 is driven pulley.In different drive ratios conversion process is realized, Runner 21 realizes relative to the change of the frictional position of rotating disk 1, runner 21 relative to rotating disk 1 move when, this conversion process is continuous Process, in the absence of the jumping characteristic of speed change, while temporal hysteresis is not present in conversion process.Simultaneously on driving member 22 Guide rail 31 is set, and guide rail 31 is fixedly connected with support frame 3, and driving member 22 is limited by guide rail 31 can only be along the side of guide rail 31 To motion, in driving member 22 connect runner 21 rotating shaft guide rail 31 it is spacing it is lower effectively overcome the rotating shaft of runner 21 by turn The effect of the radial load of disk 1, avoid the transmission jump occurred due to the deformation of the rotating shaft of runner 21, be driven phenomena such as clamping stagnation, from And the effect of speed change is ensure that, while continuous scale is provided with the length direction of guide rail 31, the scale corresponds to corresponding Gearratio, this kind set the accurate control and adjustment that can realize gearratio.
It is further understood that, the driving member 22 includes move portion 221, supporting part and output section 224, the move portion 221 is affixed through the supporting part and the runner 21, and the supporting part is fixed in the actuator 23, and is slidably arranged in described On guide rail 31, the slip cap of output section 224 is mounted in 221 outsides of the move portion.In said structure, driving member 22 includes Three parts, respectively move portion 221, supporting part and output section 224, wherein move portion 221 are fixedly connected with runner 21, when turn When wheel 21 rotates, move portion 221 is rotated simultaneously, and supporting part support move portion 221, move portion 221 rotates with supporting part to be connected Connect, move portion 221 is rotation connection with output section 224, and output section 224 is sleeved on the outside of move portion 221, when move portion 221 When being rotated with runner 21, move portion 221 drives output section 224 to rotate, and output is not exported power.Move portion 221 simultaneously It is connected with actuator 23, actuator 23 starts driving supporting part and moved along slide rail, and supporting part drives runner 21 to be moved with respect to rotating disk 1 It is dynamic so that runner 21 changes with respect to the turned position of rotating disk 1, when the axis that runner 21 rotates close to rotating disk 1, now passes Move than small, when runner 21 is close to the edge of rotating disk 1, now gearratio is big, by the relative rotation for changing runner 21 and rotating disk 1 Position causes the gearratio between rotating disk 1 and runner 21 to change, so as to realize the purpose of speed change.Actuator 23 drives support Portion moves along guide rail 31, and due to being suit connection between move portion 221 and output section 224, the position of move portion 221 does not become Change, when move portion 221 is away from 1 pivot of rotating disk, output section 224 is sleeved on the outside of move portion 221, now move portion 221 bit by bit insert in output section 224, and now runner 21 drives move portion 221 to rotate, and move portion 221 drives output section 224 Rotate;When move portion 221 is close to 1 pivot of rotating disk, output section 224 is sleeved on the outside of move portion 221, now move portion 221 bit by bit deviate from output section 224, and now runner 21 drives move portion 221 to rotate, and move portion 221 drives 224 turns of output section It is dynamic.Based on said structure, for move portion 221 with output section 224 while powered rotation output is realized, transmission distance passes through movement The mobile realization in portion 221 is driven the change of distance between the two, and in other words, the outgoing position of output section 224 does not change, Support member is driven to be moved along guide rail 31 by actuator 23 so that move portion 221 drives rotational plane of the runner 21 along rotating disk 1 It is mobile, it is engaged in by changing the turned position between runner 21 and rotating disk 1 and realizes the conversion of gearratio, and realizes speed change.
This is simple in construction, and the space availability ratio in speed-change process is effectively increased using stretching structure, meanwhile, output section 224 are sleeved on the outside of move portion 221, can be effectively increased the spacing of bonding strength between the two and turning circumference direction, So as to ensure that rigidity overall between the two, the life-span used is effectively increased.
It is pointed out that the type of attachment between move portion 221 and output section 224 is not limited solely to this, both it Between can also be replaced by other type of belt drive such as flexible axle, need certainly on the premise of guarantee meets design and use demand Carry out.The quantity of supporting part is generally two simultaneously, and two supporting parts are set along the length direction of guide rail 31, two supporting parts simultaneously with Move portion 221 is connected.
Specifically, the supporting part includes bearing 222 and the sliding block 223 being fixed on the outer ring of bearing 222, the axle The inner ring for holding 222 is set with the outside for being fixed in the move portion 221, and the sliding block 223 is fixed on the actuator 23, described Actuator 23 drives the sliding block 223 to be slided along the guide rail 31.In the structure, supporting part includes two parts, respectively axle 222 and sliding block 223 are held, are between the two welding or mode connects for screw, sliding block 223 is fixed on the outside of the outer ring of bearing 222, simultaneously sliding Block 223 is slidably arranged in rail, and the inner ring of bearing 222 suit is fixed on the excircle part of move portion 221, actuator 23 with Sliding block 223 is fixed by welding or mode connects for screw, and the motion band movable slider 223 of actuator 23 slides along guide rail 31, with sliding block 223 connected bearings 222 drive move portion 221 to be moved along guide rail 31, and then move portion 221 drives runner 21 with respect to rotating disk 1 Plane of rotation carries out evolution.The selection of bearing 222 mainly utilizes its own feature, inner ring and mobile affixed, outer ring and sliding block 223 is affixed, and for move portion 221 when the band moving-wire of runner 21 rotates, inner ring is with respect to outer ring rotating, when sliding block 223 drives outer ring fortune When dynamic, Internal and external cycle is without moving axially relative, therefore both move along guide rail 31 simultaneously, and move portion 221 is moved along guide rail 31 It is dynamic, the purpose of speed change, in the position of the rotational plane of rotating disk 1, is realized so as to drive runner 21 to change.
It is pointed out that guide rail 31 is generally dovetail groove, sliding block 223 is dove-tail form sliding block, and dove-tail form sliding block is slided and set Put in dovetail groove, the guidance quality of this kind of structure is good, while dove-tail form structure can avoid occurring due to the interference of external force Drive position changes, so as to which the speed changing effect of speed changer be effectively ensured.
Specifically, the output section 224 is tubular structure, and its inner peripheral surface offers at least two along its circumferencial direction spacing Individual internal keyway.In said structure, supporting part is tube-in-tube structure, while offers continuous internal keyway, internal keyway in sleeve inner Open up inner circle circumferential direction of the direction along sleeve, while the fluting direction of internal keyway is consistent with the length direction of sleeve, open up in On the one hand keyway can be supplied to the axial driving force of output section 224 when rotating so that output section 224 can be with move portion 221 Rotated, so as to realize the output of power, on the other hand, sleeve can be supplied to output when being relatively moved along output section 224 Portion 224 is accurately oriented to so that speed-change process more smoothes out, so as to which the effect of speed change be effectively ensured.
Specifically, the move portion 221 is rod-like structure, and its outer circumference surface offers spline along its circumferencial direction, described The quantity of key is consistent with the quantity of the internal keyway on spline, and the key on the spline is slidably arranged in the corresponding internal keyway It is interior.Spline is offered in the structure on the outer circumference surface of output section 224, the quantity of spline is corresponding with the quantity of internal keyway, The length direction of spline is consistent with the length direction of output section 224, mobile when move portion 221 moves relative to output section 224 The internal keyway of portion 221 is connected to the outside of spline, and fluting direction of the spline along internal keyway is moved, now the fluting direction of internal keyway with The length direction of guide rail 31 is consistent, and the moving direction of move portion 221 is consistent with the fluting direction of internal keyway, and this structure can have Effect ensures can be more smooth when move portion 221 relatively moves with respect to output section 224 and realizes speed change, while does not influence between the two Effective transmission, so as to ensure that the effect of the speed change of speed changer.
Specifically understand, the actuator 23 is cylinder, and the free end of the cylinder is affixed with the sliding block 223, institute State direction of the direction of motion of the free end of cylinder along the guide rail 31.Actuator 23 is cylinder in upper structure, and the cylinder connects The cylinder rod for the cylinder that corresponding control valve and source of the gas enable, which is realized, extends and retracts action, free end and the sliding block 223 of cylinder rod It is fixed by welding or bolt connection, when needing to reduce gearratio, now cylinder rod is stretched out, cylinder rod band movable slider 223, sliding For block 223 with dynamic bearing 222, bearing 222 drives move portion 221, and move portion 221 drives axe movement of the runner 21 to rotating disk 1, from And the reduction of gearratio is realized, when needing to increase gearratio, cylinder rod retraction, cylinder rod band movable slider 223, sliding block 223 is with moving axis 222 are held, bearing 222 drives move portion 221, and move portion 221 drives border movement of the runner 21 to rotating disk 1, and that secondary people realizes The increase of gearratio.It is swift in response during cylinder moving, the quick realization of speed changer, while cylinder control essence can be realized Standard, it is capable of the conversion of the completion gearratio of efficiently and accurately.
It is to be appreciated that above-mentioned actuator 23 can also select oil cylinder, ball-screw or servomotor driving bracing wire etc. Other driving structures are optionally.
Specifically, the free end stroke of cylinder is less than the length of the guide rail 31.In said structure, the free travel of cylinder Less than the length of guide rail 31, i.e. the stretching of cylinder cylinder rod and retract stroke is maintained within the length range of guide rail 31, on the one hand The beneficial effect of guide rail 31 can be given full play to so that guide rail 31 can effectively play a part of guiding, the opposing party to speed change Face, effectively avoid the effect in transmission process due to power from damaging the cylinder rod of cylinder, ensure that the normal use of device.
Specifically, the contact surface of the rotating disk 1 and the runner 21 is pasted with rubber layer, and the runner 21 is rubber wheel. In the structure, between runner 21 and rotating disk 1 transmission by rolling friction realize, rotating disk 1 rotational plane be and runner Rubber layer is pasted with the planes of 21 contacts, runner 21 is rubber wheel, on the one hand in order to increase rubbing between runner 21 and rotating disk 1 Wipe power so that transmission effect between the two is more preferable, and the speed changing effect of speed changer has been effectively ensured.On the other hand due to rubber Wear resistence is good, can effectively extend both service life, effectively reduce cost.
Specifically, the power output of the driving member 22 or input are provided with electronic-controlled power steering part, the electronic-controlled power steering part So that the power output or input direction of the driving member 22 change.Based on said structure, driving member 22 power output or Input is provided with electronic-controlled power steering part, and the electronic-controlled power steering part can be that universal shaft coupling device etc. realizes that power output or input direction change The device of change, so as to effectively realize the steering of power, the power of steering is effectively met realizes a variety of directions in small space Power output and input, so as to reduce the volume of whole device, reduce the manufacturing cost of device.The electronic-controlled power steering part For tapered gear.Said structure is a kind of scheme in various embodiments, and the electronic-controlled power steering part at this is angular wheel, this kind Structure can effectively realize that the multi-angle of power turns to, and be driven using the kind of drive of gear engagement, be manufactured into simultaneously This is relatively low.
The various embodiments described above are only preferred embodiments of the present utility model, in the art, every to be based on this reality With the changes and improvements in new technique scheme, should not exclude outside the scope of protection of the utility model.

Claims (10)

1. a kind of speed changer, including support frame (3), the rotating disk (1) being rotatably arranged on support frame as described above (3) and rotation connection institute State the tumbler (2) of rotating disk (1), it is characterised in that guide rail (31), the guide rail (31) are provided with support frame as described above (3) Length direction on spacing be provided with continuous scale, the extended line of the guide rail (31) is vertical with the rotating shaft of the rotating disk (1);
The tumbler (2) includes runner (21), driving member (22) and actuator (23), and the runner (21) is rotatablely connected institute State rotating disk (1), and the vertical rotational plane with the rotating disk (1) of the rotational plane of the runner (21), the actuator (23) The driving member (22) is driven to be slidably arranged on the guide rail (31), the driving member (22) is slided along the guide rail (31) to be made Obtain the runner (21) and the turned position of frictional disk changes.
2. speed changer according to claim 1, it is characterised in that the driving member (22) includes move portion (221), support Portion and output section (224), the move portion (221) is affixed through the supporting part and the runner (21), and the supporting part is affixed In the actuator (23), and it is slidably arranged on the guide rail (31), output section (224) slip cap is mounted in the movement The outside in portion (221).
3. speed changer according to claim 2, it is characterised in that the supporting part includes bearing (222) and is fixed in institute The sliding block (223) on bearing (222) outer ring is stated, the inner ring suit of the bearing (222) is fixed in the outer of the move portion (221) Side, the sliding block (223) are fixed on the actuator (23), and the actuator (23) drives the sliding block (223) along described Guide rail (31) slides.
4. speed changer according to claim 3, it is characterised in that the output section (224) is tubular structure, its inner periphery Face offers at least two internal keyways along its circumferencial direction spacing.
5. speed changer according to claim 4, it is characterised in that the move portion (221) is rod-like structure, its excircle Face offers spline along its circumferencial direction, and the quantity of key is consistent with the quantity of the internal keyway on the spline, on the spline Key be slidably arranged in corresponding in the internal keyway.
6. speed changer according to claim 5, it is characterised in that the actuator (23) is cylinder, the cylinder from It is affixed with the sliding block (223) by holding, the direction of the direction of motion of the free end of the cylinder along the guide rail (31).
7. speed changer according to claim 6, it is characterised in that the free end stroke of cylinder is less than the guide rail (31) Length.
8. speed changer according to claim 7, it is characterised in that the rotating disk (1) and the contact surface of the runner (21) Rubber layer is pasted with, the runner (21) is rubber wheel.
9. speed changer according to claim 1, it is characterised in that the power output or input of the driving member (22) are set Electronic-controlled power steering part is equipped with, the electronic-controlled power steering part causes the power output of the driving member (22) or input direction to change.
10. speed changer according to claim 9, it is characterised in that the electronic-controlled power steering part is tapered gear.
CN201720487736.5U 2017-05-04 2017-05-04 A kind of speed changer Active CN206943351U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110987384A (en) * 2019-10-31 2020-04-10 浙江理工大学 Steel wire rope testing machine speed regulating mechanism with stepless speed regulating function and speed regulating method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110987384A (en) * 2019-10-31 2020-04-10 浙江理工大学 Steel wire rope testing machine speed regulating mechanism with stepless speed regulating function and speed regulating method thereof

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