WO2017113497A1 - 一种往复运行速度与位移放大的机构及方法 - Google Patents

一种往复运行速度与位移放大的机构及方法 Download PDF

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Publication number
WO2017113497A1
WO2017113497A1 PCT/CN2016/074616 CN2016074616W WO2017113497A1 WO 2017113497 A1 WO2017113497 A1 WO 2017113497A1 CN 2016074616 W CN2016074616 W CN 2016074616W WO 2017113497 A1 WO2017113497 A1 WO 2017113497A1
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Prior art keywords
movable
fixed
reversing wheel
wheel
reversing
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PCT/CN2016/074616
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English (en)
French (fr)
Inventor
彭维红
黄宇宏
杜梦琳
高峰
曹国华
刘峰宇
张翔宇
沈晓明
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中国矿业大学
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Priority to AU2016380001A priority Critical patent/AU2016380001B2/en
Publication of WO2017113497A1 publication Critical patent/WO2017113497A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
    • F16H9/22—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes specially adapted for ropes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0802—Actuators for final output members

Definitions

  • the invention relates to a mechanism and a method for reciprocating running speed and displacement amplification, and is particularly suitable for large displacement, large speed movement or simulation experiment under the working condition.
  • the current amplification mechanism mainly adopts the form of moving pulley block, but it can only run in one direction and cannot reciprocate. If the gear meshing speed increase mode is adopted, the structure is complicated, the cooperation is difficult, and the efficiency is difficult. Low, and it is more difficult to achieve integer magnification.
  • the present invention considers the arrangement of the space, adopts the combination of the rope system and the wheel set, realizes the amplification of the reciprocating running speed and the displacement, and satisfies the large displacement and large speed moving working conditions.
  • the object of the present invention is to provide a mechanism and a method for reciprocating running speed and displacement amplifying to solve the problems existing in the prior art, and to realize large displacement, large speed motion or simulation experiments under the working condition.
  • the reciprocating speed and displacement amplifying mechanism of the present invention comprises a linear motion driving shaft and a fixed reversing wheel set on a base, and a movable wheel assembly, a movable wheel frame is connected to the linear motion driving shaft
  • the movable reversing wheel set on both sides of the fixed reversing wheel set is arranged on the fixed commutating wheel set and the movable reversing wheel set, and the driving rope is arranged on the driving rope, and the driving speed and the displacement amplifying ratio r are arranged on the driving rope.
  • Driving the connecting block; a pretensioning spring is connected to one end of the driving rope.
  • the operating speed and the displacement amplification ratio r are 3 to 8 times.
  • the operating speed and displacement amplification ratio r is 3 times
  • the fixed reversing wheel set comprises a fixed reversing wheel 1 provided with two rope grooves
  • the movable reversing wheel set comprises one side of the fixed reversing wheel.
  • the movable reversing wheel is one or two; one end of the driving rope is fixed on the movable wheel set frame, and the other end of the driving rope passes through the first rope groove of the fixed reversing wheel, the movable reversing wheel, the driving connecting block, and the movable exchange.
  • the second rope groove of the second wheel and the fixed reversing wheel is finally connected to the pre-tension spring fixed to the movable wheel frame.
  • the operating speed and displacement amplification ratio r is 4 times
  • the fixed reversing wheel set includes a fixed reversing wheel 1 having two rope grooves
  • the movable reversing wheel group includes movable reversing wheels one, two, three, 4.
  • the pre-tensioning spring is arranged on the base, one end of the driving rope is fixed on the base, and the other end passes through the movable reversing wheel, the first rope groove of the fixed reversing wheel, the movable reversing wheel, and the driving.
  • the connecting block, the movable reversing wheel 4, the second rope groove of the fixed reversing wheel 1, and the movable reversing wheel 2 are finally connected to the pre-tensioning spring fixed on the base.
  • the operating speed and displacement amplification ratio r is 5 times, and the fixed reversing wheel set includes fixed reversing wheels 1 and 2 respectively provided with two rope grooves; the movable reversing wheel set includes an active reversing wheel , two, three, four, the pre-tightening spring is arranged on the movable wheel frame; one end of the driving rope is fixed on the movable wheel frame, and the other end of the driving rope passes through the first rope groove of the fixed reversing wheel, and the movable exchange
  • the first rope groove of the fixed wheel 2, the movable reversing wheel 3, the driving connection block, the movable reversing wheel 4, the second rope groove of the fixed reversing wheel 2, and the movable reversing wheel 2 Fix the second rope groove of the reverse wheel one, and finally connect On a pretension spring that is attached to the movable wheel set.
  • the operating speed and displacement amplification ratio r is 6 times, and the fixed reversing wheel set includes fixed reversing wheels 1 and 2 each provided with two rope grooves; the movable reversing wheel group includes movable reversing wheels 1 and 2 , the third, fourth, fifth, sixth; the pre-tensioning spring is fixed on the base, one end of the driving rope is fixed on the base, and the other end of the driving rope passes through the movable reversing wheel, the rope of the fixed reversing wheel Slot one, movable reversing wheel three, fixed reversing wheel two rope groove one, movable reversing wheel five, driving connecting block, movable reversing wheel six, fixed reversing wheel two rope groove two, movable reversing wheel four , the rope groove 2 of the fixed reversing wheel 1 and the movable reversing wheel 2 are finally fixed on the pre-tensioning spring located on the base;
  • the operating speed and displacement amplification ratio r is 7 times, and the fixed reversing wheel set includes fixed reversing wheels one, two and three respectively provided with two rope grooves; the movable reversing wheel group includes an active reversing wheel , two, three, four, five, six, the pre-tensioning spring is arranged on the movable wheel frame; one end of the driving rope is fixed on the movable wheel frame, and the other end of the driving rope passes through the rope groove of the fixed reversing wheel one.
  • the rope groove 2 to the wheel 3, the movable reversing wheel 4, the rope groove 2 of the fixed reversing wheel 2, the movable reversing wheel 2, and the rope groove 2 of the fixed reversing wheel 1 are finally connected on the movable wheel frame. Preload the spring;
  • the operating speed and displacement amplification ratio r is 8 times, and the fixed reversing wheel set includes fixed reversing wheels 1 , 2 and 3 each provided with two rope grooves; the movable reversing wheel set includes an active reversing wheel 1 , two, three, four, five, six, seven, eight, the pre-tension spring is set on the base; one end of the drive rope is fixed on the base, and the other end of the drive rope passes through the movable reversing wheel, the fixed reversing wheel One rope groove one, movable reversing wheel three, fixed reversing wheel two rope groove one, movable reversing wheel five, fixed reversing wheel three rope groove one, movable reversing wheel seven, driving connection block, activity change To the wheel eight, the fixed reversing wheel three rope groove two, the movable reversing wheel six, the fixed reversing wheel two rope groove two, the movable reversing wheel four, the fixed reversing wheel one rope groove
  • a method for reciprocating running speed and displacement amplifying using the above mechanism driving a linear motion driving shaft fixed on a base, and the linear motion driving shaft pushes a movable wheel assembly connected thereto to linearly reciprocate, and is arranged on the movable wheel frame
  • the movable reversing wheel set reciprocates along the straight line together with the movable wheel set frame, and drives the driving rope wound on the fixed reversing wheel set and the movable reversing wheel set to reciprocate; since the fixed reversing wheel set does not move, Only the movable reversing wheel set moves, and the driving connection block connected to the reciprocating driving rope moves the displacement and speed of the corresponding amplification ratio according to the set running speed and the displacement amplification ratio r; the displacement of the amplification ratio is r ⁇ s , the speed is r ⁇ v, s is the distance of reciprocating motion, and v is the speed of reciprocating motion
  • the drive mechanism of the present invention utilizes a fixed type and a movable reverse wheel set to realize a plurality of output speed ratios or stroke ratios of the linear motion drive shaft. It meets the requirements of high speed or large stroke working conditions, and the symmetrical closed-loop tensioning form overcomes the shortcomings of the traditional pulley block one-way driving, and realizes the reciprocating linear drive.
  • the driving mechanism of the invention is suitable for reciprocating linear transportation with limited stroke and high output speed conditions
  • Drive arrangement of the drive shaft, including hydraulic cylinder drive, etc. has a wide range of applications
  • the structure is simple, the occupied space is small, and the driving is stable and reliable: the driving mechanism of the invention has a simple structure, overcomes the cumbersomeness of the existing gear meshing transmission, and can reduce the overall structure by using a multi-slot pulley, and occupy small space; It is equipped with a drive rope pre-tension spring to ensure smooth and reliable drive.
  • Figure 1 is a three-dimensional model diagram of the displacement and speed amplification ratio of the present invention is three times;
  • FIG. 2 is a schematic view of a mechanism in which the displacement and speed amplification ratios of the present invention are three times;
  • FIG. 3 is a schematic diagram of the driving rope winding of the present invention with a displacement and speed amplification ratio of three times;
  • Figure 4 is a schematic diagram of the mechanism of the displacement and speed amplification ratio of the present invention is three times;
  • Figure 5 is a three-dimensional model diagram of the displacement and velocity amplification ratio of the present invention being four times;
  • Figure 6 is a schematic view of the mechanism of the displacement and speed amplification ratio of the present invention is 4 times;
  • Figure 7 is a schematic view showing the driving rope winding of the present invention with a displacement and speed amplification ratio of 4 times;
  • Figure 8 is a schematic diagram of the mechanism of the displacement and speed amplification ratio of the present invention is four times;
  • Figure 9 is a schematic view showing the mechanism of the displacement and speed amplification ratio of the present invention being 5 times;
  • Figure 10 is a schematic view of the mechanism of the displacement and speed amplification ratio of the present invention is 6 times;
  • Figure 11 is a schematic view of the mechanism of the displacement and speed amplification ratio of the present invention is 7 times;
  • Figure 12 is a schematic view of the mechanism in which the displacement and speed amplification ratios of the present invention are eight times.
  • the reciprocating speed and displacement amplifying mechanism of the present invention mainly comprises a movable reversing wheel set 1, a fixed reversing wheel set 4, a movable wheel set 6 and a linear motion driving shaft 7, and the linear motion driving shaft 7 and the fixed type
  • the reversing wheel set 4 is disposed on the base, the movable wheel set 6 is connected to the linear motion driving shaft 7, and the movable wheel set 6 is provided with the movable reversing wheel set 1 on both sides of the fixed reversing wheel set 4.
  • the fixed reversing wheel set 4 and the movable reversing wheel set 1 are wound with a driving rope 2, and the driving rope 2 is provided with a driving connection block 3 of a running speed and a displacement amplification ratio r; one end of the driving rope 2 is connected with a pre-tightening Spring 5.
  • the operating speed and the displacement amplification ratio r are 3 to 8 times.
  • the reciprocating running speed and displacement amplifying method of the invention driving a linear motion driving shaft 7 fixed on the base, and the linear motion driving shaft 7 pushes the movable wheel frame 6 connected thereto to linearly reciprocate, and is arranged on the movable wheel frame
  • the movable reversing wheel set 1 on the 6 reciprocates along the straight line together with the movable wheel set 6 to drive the reciprocating motion of the drive rope 2 wound around the fixed reversing wheel set 4 and the reversing wheel set 1;
  • the wheel set 4 does not move, only the movable reversing wheel set 1 moves, and the drive connection block 3 connected to the reciprocating drive rope 2 moves according to the set running speed and the displacement enlargement ratio r
  • a large proportion of displacement and velocity; the displacement of the amplification ratio is r ⁇ s, the velocity is r ⁇ v, s is the distance of the reciprocating motion, and v is the velocity of the reciprocating motion.
  • Embodiment 1 as shown in FIGS. 1 to 2, the operating speed and displacement amplification ratio r is 3 times, and the fixed reverse wheel set 4 includes a fixed reversing wheel 4-1 having two rope grooves.
  • the movable reversing wheel set 1 includes an active reversing wheel 1-1 and a movable reversing wheel 1-2 disposed on both sides of the fixed reversing wheel 4-1, and the preloading spring 5 is disposed on the movable wheel set 6 .
  • one end of the driving rope 2 is fixed on the movable wheel frame 6, and the other end of the driving rope 2 passes through the first rope groove of the fixed reversing wheel 4-1, and the movable reversing wheel. 1-1.
  • the fixed reversing wheel set 4 is fixed on the base;
  • the pre-tensioning spring 5 is used for tensioning the driving rope 2 to make the transmission more stable and reliable;
  • the driving connection block 3 is fixed on the driving rope 2, and the target component is driven and driven.
  • the linear motion drive shaft 7 pushes the movable wheel set frame to move in a straight line, and the movable reverse wheel set 1 on the movable wheel set frame drives the drive rope 2 to move, thereby driving the drive connection block 3 on the drive rope 2 to be straight.
  • Embodiment 2 as shown in FIG. 5 to FIG. 6, is substantially the same as Embodiment 1, and is the same, except that the operating speed and displacement amplification ratio r is 4 times, and the fixed reverse wheel set 4 includes A fixed reversing wheel 4-1 with two rope grooves, the movable reversing wheel set 1 includes an active reversing wheel 1-1, a movable reversing wheel 1-2, an active reversing wheel 1-3 and The movable reversing wheels 4 to 4, the pretensioning spring 5 is disposed on the base. As shown in FIG.
  • one end of the driving rope 2 is fixed on the base, and the other end passes through the movable reversing wheel 1-1, the first reel of the fixed reversing wheel 4-1, and the movable change.
  • the drive connection block 3 the movable reversing wheel four 1-4, the second reel of the fixed reversing wheel 4-1, the movable reversing wheel two 1-2, the final connection is fixed at Preload spring 5 on the base.
  • Preloading spring 5 fixed reversing wheel 4-1, movable reversing wheel 1-1 and movable reversing wheel 1-2 are arranged in movable reversing wheel 1-3 and movable reversing wheel 1-4 Between the rotation center of the movable reversing wheel set 1 and the running track of the linear motion driving shaft 7 are in the same horizontal line. This arrangement is more compact than the structure of Embodiment 2, saving space and driving stably and reliably.
  • the linear motion drive shaft 7 pushes the movable wheel set frame to move in the horizontal direction, and the movable reverse wheel set 1 on the movable wheel set frame drives the drive rope 2 to move, thereby driving the drive connection block 3 on the drive rope 2.
  • Embodiment 3 is substantially the same as Embodiment 1, and the same points are omitted.
  • the difference is that the operating speed and displacement amplification ratio r is 5 times, and the fixed reversing wheel set 4 includes separately.
  • a fixed reversing wheel 4-1 having two rope grooves and a fixed reversing wheel 2 4-2;
  • the movable reversing wheel set 1 includes an active reversing wheel 1-1 and an active reversing wheel 21-2
  • the reversing wheels 3 - 3 and the movable reversing wheels 4 - 4, the pretensioning spring 5 is provided on the movable wheel set 6 .
  • One end of the driving rope 2 is fixed on the movable wheel frame 6, and the other end of the driving rope 2 passes through the first rope groove of the fixed reversing wheel 4-1, the movable reversing wheel 1-1, and the fixed reversing wheel 2
  • the second rope groove of the wheel 1-2, the fixed reverse wheel 4-1 is finally connected to the preload spring 5 fixed to the movable wheel frame 6.
  • Preloading spring 5 fixed reversing wheel 4-1, fixed reversing wheel 2-4-2, movable reversing wheel 1-1 and movable reversing wheel 21-2 are arranged in movable reversing wheel 1-3 Between the movable reversing wheels 4 and 4, and the rotating center of the movable reversing wheel set 1 is at the same horizontal line as the running track of the linear motion driving shaft 7, the arrangement is more compact than that of the embodiment 4, and the land occupation is saved. Space, the drive is stable and reliable.
  • Embodiment 4 as shown in FIG. 10, is basically the same as Embodiment 2, and the same points are omitted. The difference is that the operating speed and displacement amplification ratio r is 6 times, and the fixed reverse wheel set 4 includes respective settings.
  • movable reversing wheel set 1 includes movable reversing wheel 1-1, movable reversing wheel 2 1-2, activity Commutation wheel three 1-3, active reversing wheel four 1-4, active reversing wheel five 1-5 and active reversing wheel six 1-6.
  • the pretensioning spring 5 is fixed on the base, one end of the driving rope 2 is fixed on the base, and the other end of the driving rope 2 passes through the movable reversing wheel 1-1 and the fixed reversing wheel 4-1.
  • Preloading spring 5; preloading spring 5, fixed reversing wheel 4-1, movable reversing wheel 1-1 and movable reversing wheel 1-2 are arranged in movable reversing wheels 1-3 and activities Between the reversing wheels four to four, the fixed reversing wheel two 4-2, the mov
  • the driving connection block 3 has a horizontal movement distance of 6 s and an output speed of 6 volts.
  • Embodiment 5 as shown in FIG. 11, is substantially the same as Embodiment 3, and the same points are omitted. The difference is that the operating speed and displacement amplification ratio r is 7 times, and the fixed reverse wheel set 4 includes respective settings.
  • One end of the driving rope 2 is fixed on the movable wheel frame 6, and the other end of the driving rope 2 passes through the rope groove 1 of the fixed reversing wheel 4-1, the movable reversing wheel 1-1, and the fixed reversing wheel 2 - 4 2 rope groove one, movable reversing wheel three 1-3, fixed reversing wheel three 4-3 rope groove one, movable reversing wheel five 1-5, driving connection block 3, movable reversing wheel six 1-6 , Fixed reversing wheel 3 4-3 rope groove 2, movable reversing wheel 4 1-4, fixed reversing wheel 2 4-2 rope groove 2, movable reversing wheel 2 1-2, fixed reversing wheel 4
  • the rope groove 2 of -1 is finally connected to the pretension spring 5 located on the movable wheel frame 6; the preloading spring 5, the fixed reversing wheel 4-1, the fixed reversing wheel 2 4, and the movable reversing The wheel one 1-1 and the movable
  • the driving connection block 3 has a horizontal movement distance of 7 s and an output speed of 7 volts.
  • Embodiment 6 is substantially the same as Embodiment 4, and the same points are omitted.
  • the operating speed and displacement amplification ratio r is 8 times
  • the fixed reverse wheel set 4 includes respective settings.
  • movable reversing wheel set 1 including movable reversing wheel movable reversing wheel 1 -1, activity reversing wheel 2 1-2, activity reversing wheel 3 1-3, activity reversing wheel 4 1-4, activity reversing wheel 5 1-5, activity reversing wheel 6 1-6, activity change
  • the pretension spring 5 is placed on the base.
  • One end of the driving rope 2 is fixed on the base, and the other end of the driving rope 2 passes through the movable reversing wheel 1-1, the rope groove of the fixed reversing wheel 4-1, the movable reversing wheel 1-3, and the fixed Rope groove of reversing wheel 2-2-2, movable reversing wheel 5-5, fixed reversing wheel 3-4-3 rope groove 1, movable reversing wheel 7 1-7, drive connecting block 3, active change To the wheel eight 1-8, the fixed reversing wheel three 4-3 rope groove two, the movable reversing wheel six 1-6, the fixed reversing wheel two 4-2 rope groove two, the movable reversing wheel four 1-4
  • the rope groove 2 of the fixed reversing wheel 4-1 and the movable reversing wheel 21-2 are finally connected to the preload spring 5 located on the base.
  • Preloading spring 5 fixed reversing wheel 4-1, movable reversing wheel 1-1 and movable reversing wheel 1-2 are arranged in movable reversing wheel 1-3 and movable reversing wheel 1-4 Between the fixed reversing wheel 2 - 2, the movable reversing wheel 3 - 3 and the movable reversing wheel 4 - 4 are arranged between the movable reversing wheel 5 - 5 and the movable reversing wheel 6 - 6 , fixed reversing wheel three 4-3, active reversing wheel five 1-5 and active reversing wheel six 1-6 are arranged between the movable reversing wheel 7 1-7 and the active reversing wheel 8 1-8, and
  • the rotation center of the movable reversing wheel set 1 is at the same horizontal line as the running trajectory of the linear motion driving shaft 7. This arrangement is more compact than the structure of the embodiment 12, saving space and driving stably and reliably.
  • the driving connection block 3 has a horizontal movement distance of 8 s and an output speed of 8 volts.

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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  • Warehouses Or Storage Devices (AREA)

Abstract

一种往复运行速度与位移放大的机构及方法，适用于往复运行时速度与位移的放大。机构包括设置在基座上的直线运动驱动轴（7）与固定式换向轮组（4），直线运动驱动轴（7）连接有活动轮组架（6），活动轮组架（6）两侧设置有活动换向轮组（1），固定式换向轮组（4）与活动换向轮组（1）上缠绕有驱动绳（2），活动轮组架（6）中部的驱动绳（2）上设置有放大比例r的驱动连接块（3），驱动绳（2）的一端连接有预紧弹簧（5）。通过直线运动驱动轴（7）推动活动轮组架（6）沿直线方向运动，带动活动换向轮组（1）运动，活动换向轮组（1）带动驱动绳（2）运动，则驱动绳（2）上的驱动连接块（3）作直线运动；机构的位移和速度放大比例为r，直线运动驱动轴（7）推动距离s，可实现多种位移和速度放大比例的往复直线驱动，适用范围广，结构简单、占用空间小，驱动平稳可靠。

Description

一种往复运行速度与位移放大的机构及方法 技术领域
本发明涉及一种往复运行速度与位移放大的机构及方法，尤其适用于大位移、大速度运动或者该工况下的模拟实验。
背景技术
对于一些大位移、大速度运动的工况，由于驱动器的输出位移和速度有限而较难实现以及再现模拟实验。为了实现驱动器小位移、小速度下的放大，目前放大机构主要采用动滑轮组形式，但只能沿一个方向运行，不能往复运行；若采用齿轮啮合的增速方式，其结构复杂，配合困难、效率低，同时较难实现整数倍比的放大。为此，本发明考虑空间的布置，采用绳系、轮组组合的方式，实现往复运行速度与位移的放大，满足大位移、大速度运动工况。
发明内容
技术问题：本发明的目的是针对现有技术中存在的问题，提供一种往复运行速度与位移放大的机构及方法，实现大位移、大速度运动或者该工况下的模拟实验。
技术方案：本发明的往复运行速度与位移放大的机构，包括设在基座上的直线运动驱动轴与固定式换向轮组，直线运动驱动轴上连接有活动轮组架，活动轮组架上设有位于固定式换向轮组两侧的活动换向轮组，固定式换向轮组与活动换向轮组上缠绕有驱动绳，驱动绳上设置有运行速度与位移放大比例r的驱动连接块；驱动绳的一端连接有预紧弹簧。
所述的运行速度与位移放大比例r为3～8倍。
所述的运行速度与位移放大比例r为3倍，固定式换向轮组包括设有两个绳槽的固定换向轮一，活动换向轮组包括设在固定换向轮一两侧的活动换向轮一、二；驱动绳一端固定于活动轮组架上，驱动绳的另一端依次经过固定换向轮一的第一个绳槽、活动换向轮一、驱动连接块、活动换向轮二、固定换向轮一的第二个绳槽，最终连接于固定在活动轮组架的预紧弹簧上。
所述的运行速度与位移放大比例r为4倍，固定式换向轮组包括设有两个绳槽的固定换向轮一，活动换向轮组包括活动换向轮一、二、三、四，预紧弹簧设置在基座上，驱动绳的一端固定于基座上，另一端依次经过活动换向轮一、固定换向轮一的第一个绳槽、活动换向轮三、驱动连接块、活动换向轮四、固定换向轮一的第二个绳槽、活动换向轮二，最终连接在固定于基座上的预紧弹簧上。
所述的运行速度与位移放大比例r为5倍，固定式换向轮组包括分别设有两个绳槽的固定换向轮一、二；所述活动换向轮组包括活动换向轮一、二、三、四，预紧弹簧设在活动轮组架上；驱动绳一端固定于活动轮组架上，驱动绳的另一端依次经过固定换向轮一的第一个绳槽、活动换向轮一、固定换向轮二的第一个绳槽、活动换向轮三、驱动连接块、活动换向轮四、固定换向轮二的第二个绳槽、活动换向轮二、固定换向轮一的第二个绳槽，最终连接 在固定于活动轮组架上的预紧弹簧上。
所述的运行速度与位移放大比例r为6倍，固定式换向轮组包括各自设置有两个绳槽的固定换向轮一、二；活动换向轮组包括活动换向轮一、二、三、四、五、六；所述预紧弹簧固设在基座上，驱动绳一端固定于基座上，驱动绳的另一端依次经过活动换向轮一、固定换向轮一的绳槽一、活动换向轮三、固定换向轮二的绳槽一、活动换向轮五、驱动连接块、活动换向轮六、固定换向轮二的绳槽二、活动换向轮四、固定换向轮一的绳槽二、活动换向轮二，最终固接在位于基座上的预紧弹簧上；
所述的运行速度与位移放大比例r为7倍，固定式换向轮组包括各自设置有两个绳槽的固定换向轮一、二、三；活动换向轮组包括活动换向轮一、二、三、四、五、六，预紧弹簧设在活动轮组架上；驱动绳一端固定于活动轮组架上，驱动绳的另一端依次经过固定换向轮一的绳槽一、活动换向轮一、固定换向轮二的绳槽一、活动换向轮三、固定换向轮三的绳槽一、活动换向轮五、驱动连接块、活动换向轮六、固定换向轮三的绳槽二、活动换向轮四、固定换向轮二的绳槽二、活动换向轮二、固定换向轮一的绳槽二，最终连接在位于活动轮组架上的预紧弹簧上；
所述的运行速度与位移放大比例r为8倍，固定式换向轮组包括各自设置有两个绳槽的固定换向轮一、二、三；活动换向轮组包括活动换向轮一、二、三、四、五、六、七、八，预紧弹簧设在基座上；驱动绳一端固定于基座上，驱动绳的另一端依次经过活动换向轮一、固定换向轮一的绳槽一、活动换向轮三、固定换向轮二的绳槽一、活动换向轮五、固定换向轮三的绳槽一、活动换向轮七、驱动连接块、活动换向轮八、固定换向轮三的绳槽二、活动换向轮六、固定换向轮二的绳槽二、活动换向轮四、固定换向轮一的绳槽二、活动换向轮二，最终连接在位于基座上的预紧弹簧上。
一种使用上述机构的往复运行速度与位移放大的方法：驱动固定在基座上的直线运动驱动轴，直线运动驱动轴推动与其相连的活动轮组架作直线往复运动，设置在活动轮组架上的活动换向轮组与活动轮组架一起沿直线往复移动，带动缠绕在固定式换向轮组与活动换向轮组上的驱动绳往复运动；由于固定式换向轮组不移动、只是活动换向轮组移动，连接在往复移动的驱动绳上的驱动连接块按设置的运行速度与位移放大比例r移动相应放大比例的位移和速度；所述的放大比例的位移为r·s、速度为r·v，s为往复运动的距离，v为往复运动的速度
有益效果：由于采用了上述技术方案，本发明与现有技术相比具有以下优点：
(1)实现多种位移和速度放大比例的往复直线驱动：本发明的驱动机构利用固定式与活动换向轮组配合，实现了直线运动驱动轴的多种输出速度比或行程比的放大，满足高速度或大行程的工况要求，同时对称闭环张紧的形式克服了传统滑轮组单向驱动的缺点，实现了往复直线驱动。
(2)适用范围广：本发明的驱动机构适用于行程受限、较高输出速度工况的往复直线运 动驱动轴的驱动布置，包括液压缸驱动等，适用范围广；
(3)结构简单、占用空间小，驱动平稳可靠：本发明的驱动机构结构简单，克服了现有齿轮啮合传动的繁琐，可利用一轮多槽的滑轮减小整体结构，占用空间小；机构设有驱动绳预紧弹簧，保证驱动平稳可靠。
附图说明
图1是本发明位移和速度放大比例为3倍的三维模型图；
图2是本发明位移和速度放大比例为3倍的机构示意图；
图3是本发明位移和速度放大比例为3倍的驱动绳缠绕示意图；
图4是本发明位移和速度放大比例为3倍的机构原理图；
图5是本发明位移和速度放大比例为4倍的三维模型图；
图6是本发明位移和速度放大比例为4倍的机构示意图；
图7是本发明位移和速度放大比例为4倍的驱动绳缠绕示意图；
图8是本发明位移和速度放大比例为4倍的机构原理图；
图9是本发明位移和速度放大比例为5倍的机构示意图；
图10是本发明位移和速度放大比例为6倍的机构示意图；
图11是本发明位移和速度放大比例为7倍的机构示意图；
图12是本发明位移和速度放大比例为8倍的机构示意图。
图中：1-活动换向轮组；2-驱动绳；3-驱动连接块；4-固定式换向轮组；5-预紧弹簧；6-活动轮组架；7-直线运动驱动轴；1-1-活动换向轮一；1-2-活动换向轮二；1-3-活动换向轮三；1-4-活动换向轮四；1-5-活动换向轮五；1-6-活动换向轮六；1-7-活动换向轮七；1-8-活动换向轮八；4-1-固定换向轮一；4-2-固定换向轮二；4-3-固定换向轮三。
具体实施方式：
下面结合附图对本发明的实施例作进一步的描述：
本发明的往复运行速度与位移放大的机构，主要由活动换向轮组1、固定式换向轮组4、活动轮组架6和直线运动驱动轴7构成，直线运动驱动轴7与固定式换向轮组4设在基座上，活动轮组架6连接在直线运动驱动轴7上，活动轮组架6上设有位于固定式换向轮组4两侧的活动换向轮组1，固定式换向轮组4与活动换向轮组1上缠绕有驱动绳2，驱动绳2上设置有运行速度与位移放大比例r的驱动连接块3；驱动绳2的一端连接有预紧弹簧5。所述的运行速度与位移放大比例r为3～8倍。
本发明的往复运行速度与位移放大的方法：驱动固定在基座上的直线运动驱动轴7，直线运动驱动轴7推动与其相连的活动轮组架6作直线往复运动，设置在活动轮组架6上的活动换向轮组1与活动轮组架6一起沿直线往复移动，带动缠绕在固定式换向轮组4与换向轮组1上的驱动绳2往复运动；由于固定式换向轮组4不移动、只是活动换向轮组1移动，连接在往复移动的驱动绳2上的驱动连接块3按设置的运行速度与位移放大比例r移动相应放 大比例的位移和速度；所述的放大比例的位移为r·s、速度为r·v，s为往复运动的距离，v为往复运动的速度。
实施例1，如图1至2所示，所述的运行速度与位移放大比例r为3倍，固定式换向轮组4包括设有两个绳槽的固定换向轮一4-1，活动换向轮组1包括设在固定换向轮一4-1两侧的活动换向轮一1-1和活动换向轮二1-2，预紧弹簧5设在活动轮组架6上。如图3所示，所述的驱动绳2一端固定于活动轮组架6上，驱动绳2的另一端依次经过固定换向轮一4-1的第一个绳槽、活动换向轮一1-1、驱动连接块3、活动换向轮二1-2、固定换向轮一4-1的第二个绳槽，最终连接于固定在活动轮组架6的预紧弹簧5上。其中，固定式换向轮组4固定于基座上；预紧弹簧5用于张紧驱动绳2，使传动更加平稳可靠；驱动连接块3固接于驱动绳2上，目标元件通过与驱动连接块3固接即可实现相比与直线运动驱动轴7的动力输出端对应放大的位移和速度放大比例r为3倍的往复直线运动。
如图4所示，直线运动驱动轴7推动活动轮组架沿直线运动，活动轮组架上的活动换向轮组1带动驱动绳2运动，进而带动驱动绳2上的驱动连接块3直线运动；驱动机构的位移和速度放大比例为3倍时，当直线运动驱动轴7推动距离s，推动速度v，则活动轮组架上的活动换向轮组1的运动距离为s，活动换向轮组1与固定换向轮组4之间的间距变化为s，驱动连接块3水平运动的距离为3s，输出速度为3v。
实施例2，如图5至6所示，与实施例1基本相同，相同处略，不同之处为：所述的运行速度与位移放大比例r为4倍，固定式换向轮组4包括设有两个绳槽的固定换向轮一4-1，活动换向轮组1包括活动换向轮一1-1、活动换向轮二1-2、活动换向轮三1-3和活动换向轮四1-4，预紧弹簧5设置在基座上。如图7所示，所述的驱动绳2的一端固定于基座上，另一端依次经过活动换向轮一1-1、固定换向轮一4-1的第一个绳槽、活动换向轮三1-3、驱动连接块3、活动换向轮四1-4、固定换向轮一4-1的第二个绳槽、活动换向轮二1-2，最终连接在固定于基座上的预紧弹簧5上。预紧弹簧5、固定换向轮一4-1、活动换向轮一1-1和活动换向轮二1-2布置在活动换向轮三1-3和活动换向轮四1-4之间，且活动换向轮组1的旋转中心与直线运动驱动轴7运行轨迹处于同一水平线，此布置方式相比于实施例2结构更加紧凑，节约占地空间，驱动平稳可靠。
如图8所示，直线运动驱动轴7推动活动轮组架沿水平方向运动，活动轮组架上的活动换向轮组1带动驱动绳2运动，进而带动驱动绳2上的驱动连接块3水平运动；驱动机构的位移和速度放大比例为4倍时，当直线运动驱动轴7推动距离s，推动速度v，则活动轮组架上的活动换向轮组1的运动距离为s，活动换向轮组1与固定换向轮组4之间的间距变化为s，驱动连接块3水平运动的距离为4s，输出速度为4v。
实施例3，如图9所示，与实施例1基本相同，相同处略，不同之处为：所述的运行速度与位移放大比例r为5倍，固定式换向轮组4包括分别设有两个绳槽的固定换向轮一4-1和固定换向轮二4-2；所述活动换向轮组1包括活动换向轮一1-1、活动换向轮二1-2、活动 换向轮三1-3和活动换向轮四1-4，预紧弹簧5设在活动轮组架6上。驱动绳2一端固定于活动轮组架6上，驱动绳2的另一端依次经过固定换向轮一4-1的第一个绳槽、活动换向轮一1-1、固定换向轮二4-2的第一个绳槽、活动换向轮三1-3、驱动连接块3、活动换向轮四1-4、固定换向轮二4-2的第二个绳槽、活动换向轮二1-2、固定换向轮一4-1的第二个绳槽，最终连接在固定于活动轮组架6上的预紧弹簧5上。预紧弹簧5、固定换向轮一4-1、固定换向轮二4-2、活动换向轮一1-1和活动换向轮二1-2布置在活动换向轮三1-3和活动换向轮四1-4之间，且活动换向轮组1的旋转中心与直线运动驱动轴7运行轨迹处于同一水平线，此布置方式相比于实施例4结构更加紧凑，节约占地空间，驱动平稳可靠。
当直线运动驱动轴7推动距离s，推动速度v，则活动轮组架上的活动换向轮组1的运动距离为s，活动换向轮组1与固定换向轮组4之间的间距变化为s，驱动连接块3水平运动的距离为5s，输出速度为5v。
实施例4，如图10所示，与实施例2基本相同，相同处略，不同之处为：所述的运行速度与位移放大比例r为6倍，固定式换向轮组4包括各自设置有两个绳槽的固定换向轮一4-1和固定换向轮二4-2；活动换向轮组1包括活动换向轮一1-1、活动换向轮二1-2、活动换向轮三1-3、活动换向轮四1-4、活动换向轮五1-5和活动换向轮六1-6。所述预紧弹簧5固设在基座上，驱动绳2一端固定于基座上，驱动绳2的另一端依次经过活动换向轮一1-1、固定换向轮一4-1的绳槽一、活动换向轮三1-3、固定换向轮二4-2的绳槽一、活动换向轮五1-5、驱动连接块3、活动换向轮六1-6、固定换向轮二4-2的绳槽二、活动换向轮四1-4、固定换向轮一4-1的绳槽二、活动换向轮二1-2，最终固接在位于基座上的预紧弹簧5上；预紧弹簧5、固定换向轮一4-1、活动换向轮一1-1和活动换向轮二1-2布置在活动换向轮三1-3和活动换向轮四1-4之间，固定换向轮二4-2、活动换向轮三1-3和活动换向轮四1-4布置在活动换向轮五1-5和活动换向轮六1-6之间，且活动换向轮组1的旋转中心与直线运动驱动轴7运行轨迹处于同一水平线，此布置方式相比于实施例6结构更加紧凑，节约占地空间，驱动平稳可靠。
当直线运动驱动轴7推动距离s，推动速度v，则活动轮组架上的活动换向轮组1的运动距离为s，活动换向轮组1与静滑轮之间的间距变化为s，驱动连接块3水平运动的距离为6s，输出速度为6v。
实施例5，如图11所示，与实施例3基本相同，相同处略，不同之处为：所述的运行速度与位移放大比例r为7倍，固定式换向轮组4包括各自设置有两个绳槽的固定换向轮一4-1、固定换向轮二4-2和固定换向轮三4-3；活动换向轮组1包括活动换向轮一1-1、活动换向轮二1-2、活动换向轮三1-3、活动换向轮四1-4、活动换向轮五1-5和活动换向轮六1-6，预紧弹簧5设在活动轮组架6上。驱动绳2一端固定于活动轮组架6上，驱动绳2的另一端依次经过固定换向轮一4-1的绳槽一、活动换向轮一1-1、固定换向轮二4-2的绳槽一、活动换向轮三1-3、固定换向轮三4-3的绳槽一、活动换向轮五1-5、驱动连接块3、活动换向轮六1-6、 固定换向轮三4-3的绳槽二、活动换向轮四1-4、固定换向轮二4-2的绳槽二、活动换向轮二1-2、固定换向轮一4-1的绳槽二，最终连接在位于活动轮组架6上的预紧弹簧5上；预紧弹簧5、固定换向轮一4-1、固定换向轮二4-2、活动换向轮一1-1和活动换向轮二1-2布置在活动换向轮三1-3和活动换向轮四1-4之间，固定换向轮三4-3、活动换向轮三1-3和活动换向轮四1-4布置在活动换向轮五1-5和活动换向轮六1-6之间，且活动换向轮组1的旋转中心与直线运动驱动轴7运行轨迹处于同一水平线，此布置方式相比于实施例9结构更加紧凑，节约占地空间，驱动平稳可靠。
当直线运动驱动轴7推动距离s，推动速度v，则活动轮组架上的活动换向轮组1的运动距离为s，活动换向轮组1与静滑轮之间的间距变化为s，驱动连接块3水平运动的距离为7s，输出速度为7v。
实施例6，如图12所示，与实施例4基本相同，相同处略，不同之处为：所述的运行速度与位移放大比例r为8倍，固定式换向轮组4包括各自设置有两个绳槽的固定换向轮一4-1、固定换向轮二4-2和固定换向轮三4-3；活动换向轮组1包括活动换向轮活动换向轮一1-1、活动换向轮二1-2、活动换向轮三1-3、活动换向轮四1-4、活动换向轮五1-5、活动换向轮六1-6、活动换向轮七1-7和活动换向轮八1-8，预紧弹簧5设在基座上。驱动绳2一端固定于基座上，驱动绳2的另一端依次经过活动换向轮一1-1、固定换向轮一4-1的绳槽一、活动换向轮三1-3、固定换向轮二4-2的绳槽一、活动换向轮五1-5、固定换向轮三4-3的绳槽一、活动换向轮七1-7、驱动连接块3、活动换向轮八1-8、固定换向轮三4-3的绳槽二、活动换向轮六1-6、固定换向轮二4-2的绳槽二、活动换向轮四1-4、固定换向轮一4-1的绳槽二、活动换向轮二1-2，最终连接在位于基座上的预紧弹簧5上。预紧弹簧5、固定换向轮一4-1、活动换向轮一1-1和活动换向轮二1-2布置在活动换向轮三1-3和活动换向轮四1-4之间，固定换向轮二4-2、活动换向轮三1-3和活动换向轮四1-4布置在活动换向轮五1-5和活动换向轮六1-6之间，固定换向轮三4-3、活动换向轮五1-5和活动换向轮六1-6布置在活动换向轮七1-7和活动换向轮八1-8之间，且活动换向轮组1的旋转中心与直线运动驱动轴7运行轨迹处于同一水平线，此布置方式相比于实施例12结构更加紧凑，节约占地空间，驱动平稳可靠。
当直线运动驱动轴7推动距离s，推动速度v，则活动轮组架上的活动换向轮组1的运动距离为s，活动换向轮组1与静滑轮之间的间距变化为s，驱动连接块3水平运动的距离为8s，输出速度为8v。

Claims (9)

  1. 一种往复运行速度与位移放大的机构，其特征在于：它包括设在基座上的直线运动驱动轴(7)与固定式换向轮组(4)，直线运动驱动轴(7)上连接有活动轮组架(6)，活动轮组架(6)上设有位于固定式换向轮组(4)两侧的活动换向轮组(1)，固定式换向轮组(4)与活动换向轮组(1)上缠绕有驱动绳(2)，驱动绳(2)上设置有运行速度与位移放大比例r的驱动连接块(3)；驱动绳(2)的一端连接有预紧弹簧(5)。
  2. 根据权利要求1所述的一种往复运行速度与位移放大的机构，其特征在于：所述的运行速度与位移放大比例r为3～8倍。
  3. 根据权利要求1、2所述的一种往复运行速度与位移放大的机构，其特征在于：所述的运行速度与位移放大比例r为3倍，固定式换向轮组(4)包括设有两个绳槽的固定换向轮一(4-1)，活动换向轮组(1)包括设在固定换向轮一(4-1)两侧的活动换向轮一、二(1-1、1-2)；驱动绳(2)一端固定于活动轮组架(6)上，驱动绳(2)的另一端依次经过固定换向轮一(4-1)的第一个绳槽、活动换向轮一(1-1)、驱动连接块(3)、活动换向轮二(1-2)、固定换向轮一(4-1)的第二个绳槽，最终连接于固定在活动轮组架(6)的预紧弹簧(5)上。
  4. 根据权利要求1、2所述的一种往复运行速度与位移放大的机构，其特征在于：所述的运行速度与位移放大比例r为4倍，固定式换向轮组(4)包括设有两个绳槽的固定换向轮一(4-1)，活动换向轮组(1)包括活动换向轮一、二、三、四(1-1、1-2、1-3、1-4)，预紧弹簧(5)设置在基座上，驱动绳(2)的一端固定于基座上，另一端依次经过活动换向轮一(1-1)、固定换向轮一(4-1)的第一个绳槽、活动换向轮三(1-3)、驱动连接块(3)、活动换向轮四(1-4)、固定换向轮一(4-1)的第二个绳槽、活动换向轮二(1-2)，最终连接在固定于基座上的预紧弹簧(5)上。
  5. 根据权利要求1、2所述的一种往复运行速度与位移放大的机构，其特征在于：所述的运行速度与位移放大比例r为5倍，固定式换向轮组(4)包括分别设有两个绳槽的固定换向轮一、二(4-1、4-2)；所述活动换向轮组(1)包括活动换向轮一、二、三、四(1-1、1-2、1-3、1-4)，预紧弹簧(5)设在活动轮组架(6)上；驱动绳(2)一端固定于活动轮组架(6)上，驱动绳(2)的另一端依次经过固定换向轮一(4-1)的第一个绳槽、活动换向轮一(1-1)、固定换向轮二(4-2)的第一个绳槽、活动换向轮三(1-3)、驱动连接块(3)、活动换向轮四(1-4)、固定换向轮二(4-2)的第二个绳槽、活动换向轮二(1-2)、固定换向轮一(4-1)的第二个绳槽，最终连接在固定于活动轮组架(6)上的预紧弹簧(5)上。
  6. 根据权利要求1、2所述的一种往复运行速度与位移放大的机构，其特征在于：所述的运行速度与位移放大比例r为6倍，固定式换向轮组(4)包括各自设置有两个绳槽的固定换向轮一、二(4-1、4-2)；活动换向轮组(1)包括活动换向轮一、二、三、四、五、六(1-1、1-2、1-3、1-4、1-5、1-6)；所述预紧弹簧(5)固设在基座上，驱动绳(2)一端固定于基座上，驱动绳(2)的另一端依次经过活动换向轮一(1-1)、固定换向轮一(4-1)的绳槽一、 活动换向轮三(1-3)、固定换向轮二(4-2)的绳槽一、活动换向轮五(1-5)、驱动连接块(3)、活动换向轮六(1-6)、固定换向轮二(4-2)的绳槽二、活动换向轮四(1-4)、固定换向轮一(4-1)的绳槽二、活动换向轮二(1-2)，最终固接在位于基座上的预紧弹簧(5)上；
  7. 根据权利要求1、2所述的一种往复运行速度与位移放大的机构，其特征在于：所述的运行速度与位移放大比例r为7倍，固定式换向轮组(4)包括各自设置有两个绳槽的固定换向轮一、二、三(4-1、4-2、4-3)；活动换向轮组(1)包括活动换向轮一、二、三、四、五、六(1-1、1-2、1-3、1-4、1-5、1-6)，预紧弹簧(5)设在活动轮组架(6)上；驱动绳(2)一端固定于活动轮组架(6)上，驱动绳(2)的另一端依次经过固定换向轮一(4-1)的绳槽一、活动换向轮一(1-1)、固定换向轮二(4-2)的绳槽一、活动换向轮三(1-3)、固定换向轮三(4-3)的绳槽一、活动换向轮五(1-5)、驱动连接块(3)、活动换向轮六(1-6)、固定换向轮三(4-3)的绳槽二、活动换向轮四(1-4)、固定换向轮二(4-2)的绳槽二、活动换向轮二(1-2)、固定换向轮一(4-1)的绳槽二，最终连接在位于活动轮组架(6)上的预紧弹簧(5)上；
  8. 根据权利要求1、2所述的一种往复运行速度与位移放大的机构，其特征在于：所述的运行速度与位移放大比例r为8倍，固定式换向轮组(4)包括各自设置有两个绳槽的固定换向轮一、二、三(4-1、4-2、4-3)；活动换向轮组(1)包括活动换向轮一、二、三、四、五、六、七、八(1-1、1-2、1-3、1-4、1-5、1-6、1-7、1-8)，预紧弹簧(5)设在基座上；驱动绳(2)一端固定于基座上，驱动绳(2)的另一端依次经过活动换向轮一(1-1)、固定换向轮一(4-1)的绳槽一、活动换向轮三(1-3)、固定换向轮二(4-2)的绳槽一、活动换向轮五(1-5)、固定换向轮三(4-3)的绳槽一、活动换向轮七(1-7)、驱动连接块(3)、活动换向轮八(1-8)、固定换向轮三(4-3)的绳槽二、活动换向轮六(1-6)、固定换向轮二(4-2)的绳槽二、活动换向轮四(1-4)、固定换向轮一(4-1)的绳槽二、活动换向轮二(1-2)，最终连接在位于基座上的预紧弹簧(5)上。
  9. 一种使用权利要求1所述机构的往复运行速度与位移放大的方法，其特征在于：驱动固定在基座上的直线运动驱动轴(7)，直线运动驱动轴(7)推动与其相连的活动轮组架(6)作直线往复运动，设置在活动轮组架(6)上的活动换向轮组(1)与活动轮组架(6)一起沿直线往复移动，带动缠绕在固定式换向轮组(4)与活动换向轮组(1)上的驱动绳(2)往复运动；由于固定式换向轮组(4)不移动、只是活动换向轮组(1)移动，连接在往复移动的驱动绳(2)上的驱动连接块(3)按设置的运行速度与位移放大比例r移动相应放大比例的位移和速度；所述的放大比例的位移为r·s、速度为r·v，s为往复运动的距离，v为往复运动的速度。
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