CN105712266A - Automatic gravitational potential energy conversion-storage type assisting method for walking up and down stairs - Google Patents
Automatic gravitational potential energy conversion-storage type assisting method for walking up and down stairs Download PDFInfo
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- CN105712266A CN105712266A CN201610231152.1A CN201610231152A CN105712266A CN 105712266 A CN105712266 A CN 105712266A CN 201610231152 A CN201610231152 A CN 201610231152A CN 105712266 A CN105712266 A CN 105712266A
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- energy storage
- balancing weight
- assembly pulley
- people
- gravitional force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G3/00—Other motors, e.g. gravity or inertia motors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to an automatic gravitational potential energy conversion-storage type assisting method for walking up and down stairs. By means of a designed pulley block energy storage device, gravitational potential energy decreased when a user walks down the stairs can be automatically converted and stored so as to work to assist the user in walking up the stairs. The pulley block energy storage device comprises pulley blocks, an energy storage balancing weight, an air damping buffer, a support, a force bearing cable, an assisting waist shoulder band and an energy storage positioning hook. By means of the automatic gravitational potential energy conversion-storage type assisting method for walking up and down the stairs, the problem that pregnant women, the aged and people with knee movement disorders living in villas or duplex apartments suffer a lot when walking up and down the stairs and cannot conveniently walk up and down the stairs is solved, the purpose that the user can walk up and down the stairs if the user can walk normally on the flat ground can be basically achieved, and normal daily life and physical and psychological health of people are facilitated.
Description
Technical field
The present invention relates to a kind of gravitional force automatic dump formula stair activity boosting method, belong to old age, anemia of pregnant woman, knee joint dyskinetic people life staying idle at home motion ancillary technique and apparatus field.
Background technology
Along with the continuous improvement of people's life staying idle at home condition, villa, spring layer building increase the progressively development with aged tendency of population gradually, the misery of people's stair activity of anemia of pregnant woman, old man particularly motion of knee joint obstacle annoyings quite a few family.Although small-sized home lift is had it long ago, but the space hold of elevator, installing and using maintenance cost, particularly the operation safety problem of electric equipment, all to consider carefully.Except home lift, current anemia of pregnant woman, the upper and lower interior stairs of old man are but without reasonable power-assisted way.
Summary of the invention
The technical problem to be solved is to provide a kind of gravitional force automatic dump formula stair activity boosting method and equipment, when catching people to go downstairs at ordinary times, gravitional force consumes this principal contradiction that flogs a dead horse in vain, utilize principle of conservation of energy and assembly pulley principle, develop assembly pulley accumulator, the gravitional force automatic dump reduced when people is gone downstairs pulls when becoming upstairs people's power upwards to do work, and normally can walk the purpose with regard to energy stair activity as long as substantially can reach people on level land.The present invention does not need extrinsic motive, does not consume the energy, is absent from any use safety problem.
The technical scheme that solution the problems referred to above are taked is as follows:
The present invention relates to a kind of gravitional force automatic dump formula stair activity boosting method and equipment, its design has assembly pulley accumulator, the gravitional force dump reduced when people can be gone downstairs get up until people upstairs time power-assisted do work.The function of assembly pulley accumulator, one is that the lifter change of movable pulley and energy storage balancing weight makes dump gravitional force be possibly realized, two is to solve the contradiction between travel limit that in stud space, movable pulley is limited and the stroke that longer stair require carrier cable bigger, and three is that energy storage positioning hanger can make carrier cable keep long-term stress and make the potential energy of dump must in maintenance.Assembly pulley accumulator includes assembly pulley, energy storage balancing weight, air damping buffer, bracing frame, carrier cable, power-assisted waist shoulder belt, and energy storage positioning hanger forms.Assembly pulley accumulator is arranged on appropriate location, upstairs house ladder way side, time initial, energy storage balancing weight drops on bottom position, energy storage balancing weight is pulled to rise by power-assisted waist shoulder belt, carrier cable, assembly pulley when people goes downstairs, gravitational potential energy of human body is reduced and the increase of energy storage balancing weight gravitional force, under to bottom time carrier cable power-assisted waist shoulder belt end is hung over energy storage positioning hanger keeps energy storage balancing weight potential energy constant, time upstairs, energy storage balancing weight decline gravitional force reduces to be converted to and pulls people's power upwards to do work.The invention still further relates to a kind of gravitional force automatic dump formula stair activity boosting method, it includes assembly pulley accumulator, the function of assembly pulley accumulator, one is that the lifter change of movable pulley and energy storage balancing weight makes dump gravitional force be possibly realized, two is to solve the contradiction between travel limit that in stud space, movable pulley is limited and the stroke that longer stair require carrier cable bigger, and three is that energy storage positioning hanger can make carrier cable keep long-term stress and make the potential energy of dump must in maintenance.Assembly pulley accumulator includes assembly pulley, energy storage balancing weight, air damping buffer, bracing frame, carrier cable, power-assisted waist shoulder belt, and energy storage positioning hanger forms.Assembly pulley accumulator is arranged on appropriate location, upstairs house ladder way side, time initial, energy storage balancing weight drops on bottom position, energy storage balancing weight is pulled to rise by power-assisted waist shoulder belt, carrier cable, assembly pulley when people goes downstairs, gravitational potential energy of human body is reduced and the increase of energy storage balancing weight gravitional force, under to bottom time carrier cable power-assisted waist shoulder belt end is hung over energy storage positioning hanger keeps energy storage balancing weight potential energy constant, time upstairs, energy storage balancing weight decline gravitional force reduces to be converted to and pulls people's power upwards to do work.
Assembly pulley accumulator is arranged on the appropriate location on stair side upstairs, reliably fixes with base plate or surrounding member bottom bracing frame, and bracing frame shape can require to adopt cylindricality according to site contour condition and owner, L-shaped, trapezoidal, turriform, tree-like.
The quantity of assembly pulley and the big I of energy storage balancing weight need be designed and adjust according to practical situation and user.
Couple air damping buffer in the bottom of energy storage balancing weight, it is a bag-shaped device of sealing with adjustable flow air inlet and exhaust valve, can stretch with the lifting of energy storage balancing weight and change volume.When the effect of air damping buffer is to prevent power-assisted waist shoulder belt from slipping, energy storage balancing weight declines suddenly floor is caused greater impact, intake and exhaust orifice valve on air damping buffer can carry out fine adjustment, when running block normally lifts, air damping buffer can therewith almost without the normal lifting of damping, and when energy storage balancing weight decrease beyond permissible velocity, in adjustable flow air inlet and exhaust valve limiting bag, air is discharged, and automatically hinders dampened counterweight decrease speed.
The operation principle of the present invention is: utilize principle of conservation of energy and assembly pulley operation principle, designs assembly pulley accumulator, the gravitional force dump reduced when people is gone downstairs get up until people upstairs time power-assisted acting.Assembly pulley accumulator includes assembly pulley, energy storage balancing weight, air damping buffer, bracing frame, carrier cable, power-assisted waist shoulder belt, energy storage positioning hanger.Assembly pulley accumulator is arranged on appropriate location, upstairs house ladder way side, time initial, energy storage balancing weight drops on bottom position, energy storage balancing weight is pulled to rise by power-assisted waist shoulder belt, carrier cable, assembly pulley when people goes downstairs, gravitational potential energy of human body is reduced and the increase of energy storage balancing weight gravitional force, under to bottom time carrier cable power-assisted waist shoulder belt end is hung over energy storage positioning hanger keeps energy storage balancing weight potential energy constant, time upstairs, energy storage balancing weight decline gravitional force reduces to be converted to and pulls people's power upwards to do work.Being exactly innovative design assembly pulley accumulator, the gravitional force virtually consumed in vain when people go downstairs at ordinary times, dump becomes the useful work of power-assisted person to go upstairs after all.
The method have the advantages that under not needing the premise of extrinsic motive and energy resource consumption, a kind of gravitional force automatic dump formula stair activity boosting method and equipment are provided, solve the problem that anemia of pregnant woman in villa, Duplex apartment, old man, knee dyskinesia person's stair activity are painful and inconvenient, if the purpose normally can walked with regard to energy stair activity substantially can be reached on level land, it is beneficial to normal routine life and the physical and mental health of people.
Accompanying drawing explanation
Accompanying drawing 1 is the main TV structure schematic diagram of an embodiment of the present invention；
Accompanying drawing 2 is person to go upstairs force analysis figure；
Accompanying drawing 3 is behaved and is gone downstairs force analysis figure.
In the accompanying drawings: 1 assembly pulley, 2 energy storage balancing weights, 3 air damping buffers, 4 bracing frames, 5 carrier cables, 6 power-assisted waist shoulder belts, 7 energy storage positioning hangers, Wr=W is human body weight, WpMovable pulley and balancing weight weight, H movable pulley stroke and diameter of pulley and, L carrier cable stroke, F carrier cable pulling force, F1For the component vertically upward of F, F2For the horizontal component of F, α carrier cable and horizontal plane angle, the angle of thigh and horizontal plane during θ knee bend, d is the thigh length of people.
Detailed description of the invention
Below in conjunction with specific embodiment accompanying drawing, the invention will be further described:
Referring to Fig. 1, Fig. 2, Fig. 3, it is assumed that in a villa, stair are vertical ladder, mark time wide 30cm, step height 17cm, story height 2.9m, then vertical ladder is about 5.9m, vertical ladder, carrier cable the identical α ≈ of horizontal tilt angle 30 °.Set again human body weight as Wr=80kgf, assembly pulley accumulator adopts N=2 running block, movable pulley and energy storage balancing weight Wp=120kgf, takes the stroke 1.5m of movable pulley, then carrier cable maximal tensility is L=6m.If the frictional force of being left out, the pulling force that carrier cable acts on human body is about F=Wp/ 2N=30kgf, the upwards vertical component F of generation1=30kgf × sin30 °=15kgf, the horizontal component of generation is F2=30kgf × cos30 °=26.0kgf.
If assuming that other parameter constant, stair, carrier cable horizontal tilt angle [alpha] become 45 °, then ladder is long becomes 4.1m, the stroke of movable pulley then can be reduced to 1.1m, carrier cable elongation L=4.4m, carrier cable acts on the pulling force on human body still for F=30kg, generation upwards become F with horizontal component1=F2=30kgf × sin45 °=21.2kgf.Visible stair, carrier cable horizontal tilt angle [alpha] become 45 ° from 30 °, the vertical component upwards suffered by human body significantly increases, and illustrates that stair are more steep, and power-assisted effect is more good.General interior stairs inclination angle is about 45 °, it is seen that adopt gravitional force automatic dump formula stair activity boosting method, is all equivalent to, during people's stair activity of body weight 80kgf, the 21.2kgf that lost weight.
Why ratio is difficult on level land for people's stair activity, it is because human body knee joint except bearing health gravity, more importantly still suffer from one bigger by gravity center of human body knee joint is formed moment of flexure, stair are more steep, step is more high, body weight is more big, paces are more slow, this moment of flexure is more big, and knee joint stress is more big.Figure it is seen that people at ordinary times upstairs time, the moment of flexure that knee joint to be born is M=WrDcos θ, it is assumed that d=0.4m, θ=45 °, then M=80 × 0.4 × cos45 °=22.6kgfm.And when adopting gravitional force automatic dump formula stair activity boosting method, the carrier cable directed force F to human body, it is not merely and provides a component F upwards to human body1, it is often more important that also produce a reverse power-assisted moment M overcoming the born moment of flexure of knee jointZ=Fd=30kgf × 0.4m=12kgfm, now, the actual moment M born of knee jointS=(Wr-Fsinα)d×cosθ-MZ=(80-30sin45 °) × 0.4cos45 ° of-12=4.6kgfm.Visible, adopt gravitional force automatic dump formula stair activity boosting method when, the moment of flexure that knee joint is born be only at ordinary times upstairs 1/5.
Referring to Fig. 3 when people goes downstairs, the off-load situation that knee bears moment of flexure is not exclusively the same with when going upstairs, angle of bend by knee, waist each moment affects bigger, but certainly, reversal interlocking relay in order to overcome carrier cable to produce when people goes downstairs, centre of body weight must than usual time reach, waist angle of bend forward also can strengthen accordingly, this all can promote center of gravity reach and reduce, reduce kneed angle of bend, that is alleviate the moment of flexure that knee joint is born, improve knee joint force-bearing situation.
According to principle of conservation of energy, it is considered to the existence of assembly pulley frictional force, in gravitional force automatic dump formula stair activity boosting method and equipment, gravitational potential energy of human body dump power-assisted work done, it is impossible to more than or equal to the gravitional force before dump.From each item data set, the people of body weight 80kgf, from high upstairs the getting off of 2.9m, the gravitional force reduced is 80 × 2.9=232kgfm, and people upstairs time under the effect of carrier cable 30kgf, walked the distance of 5.9m at Impact direction along stair inclined-plane, then gravitational potential energy of human body dump power-assisted work done is 30 × 5.9=177kgfm, the efficiency of dump power-assisted acting is 177/232=76%, and efficiency is significantly high.Simultaneously from another point of view it can also be seen that when being left out frictional force consumed work, carrier cable acts on the power on human body, it is impossible to more than 232/5.9=39.3kgf, that is the gross weight of movable pulley and energy storage balancing weight not can exceed that 39.3 × 4=157.2kgf.
Gravitional force automatic dump formula stair activity power assistive device, it is also noted that carrying out outer encapsulating decoration, its purpose one is security protection, it is prevented that child or house pet are strayed into or damage close to assembly pulley；Two is prominent decorative effect, is such as decorated pagoda-shaped or Xmas-tree, not only practical, and attractive in appearance, makes family health care warm, comfortable.
The present invention is best suited for family has a stair activity dyskinesia to need power-assisted person, and stair activity power-assisted efficiency is high, very convenient；If the many people of family need power-assisted, then need people and adjust power-assisted waist shoulder belt position downstairs upstairs in advance, or carrier cable is used simply as power-assisted stay cord, thus need along with moving up and down of health is changed hands back and forth, also help power effect, but effect meeting relative mistake is a little.
The present invention is not suitable for the public stairs in multi-storey building unit building.
All raw materials used by the present invention, all should reach international environmental friendly indoor, health, fire-fighting and safety standards for buildings.
Claims (8)
1. a gravitional force automatic dump formula stair activity boosting method, it is characterized in that its design has assembly pulley accumulator, when people can be gone downstairs reduce gravitional force automatic dump get up until people upstairs time power-assisted acting, assembly pulley accumulator includes movable pulley, the assembly pulley (1) of fixed pulley composition, couple the energy storage balancing weight (2) of movable pulley, the air damping buffer (3) servo-actuated with energy storage balancing weight (2), support the bracing frame (4) of assembly pulley (1), couple the carrier cable (5) of assembly pulley (1) power-assisted waist shoulder belt (6) and energy storage positioning hanger (7), couple carrier cable (5) end and tie up to power-assisted waist shoulder belt (6) of people's waist, it is arranged on the energy storage positioning hanger (7) bottom stair.
2. gravitional force automatic dump formula stair activity boosting method according to claim 1, wherein the function of energy storage positioning hanger (7) is to keep the potential energy of energy storage balancing weight (2) for positioning carrier cable (5) at any time, thus is not limited to its concrete installation site, installs quantity and form.
3. the gravitional force automatic dump formula stair activity boosting method according to any one of claim 1-2, air damping buffer (3) is a bag-shaped device of sealing with adjustable flow air inlet and exhaust valve, in bag, air is by air inlet and exhaust valve and atmosphere, and can stretch change volume with the lifting of energy storage balancing weight (2).
4. the gravitional force automatic dump formula stair activity boosting method according to any one of claim 1-3, the purpose that wherein air damping buffer (3) is arranged is that energy storage balancing weight (2) movement velocity is too fast causes greater impact for preventing, whether it is arranged, and does not affect present claims.
5. the gravitional force automatic dump formula stair activity boosting method according to claims any one of 1-4, wherein carrier cable (5) directly can move towards along monolayer stair, it is possible to turn back in edge or the hand banisters of spiral stairs sets directive wheel guiding trend.
6. gravitional force automatic dump formula stair activity boosting method according to claim 1, wherein the fixed pulley axis in assembly pulley (1) includes hanging connection with coupling of bracing frame (4), simply supported beam couples and cantilever couples.
7. a gravitional force automatic dump formula stair activity boosting method, it includes assembly pulley accumulator, assembly pulley accumulator includes assembly pulley, energy storage balancing weight, air damping buffer, bracing frame, carrier cable, power-assisted waist shoulder belt, energy storage positioning hanger forms, assembly pulley accumulator is arranged on appropriate location, upstairs house ladder way side, time initial, energy storage balancing weight drops on bottom position, by power-assisted waist shoulder belt when people goes downstairs, carrier cable, assembly pulley pulls energy storage balancing weight to rise, gravitational potential energy of human body is reduced and the increase of energy storage balancing weight gravitional force, under to bottom time carrier cable power-assisted waist shoulder belt end is hung over energy storage positioning hanger keeps energy storage balancing weight potential energy constant, time upstairs, energy storage balancing weight decline gravitional force reduces to be converted to and pulls people's power upwards to do work.
8. the device for gravitional force automatic dump formula stair activity, it is characterized in that this device includes assembly pulley accumulator, when people can be gone downstairs reduce gravitional force automatic dump get up until people upstairs time power-assisted acting, assembly pulley accumulator includes movable pulley, the assembly pulley (1) of fixed pulley composition, couple the energy storage balancing weight (2) of movable pulley, the air damping buffer (3) servo-actuated with energy storage balancing weight (2), support the bracing frame (4) of assembly pulley (1), couple the carrier cable (5) of assembly pulley (1) power-assisted waist shoulder belt (6) and energy storage positioning hanger (7), couple carrier cable (5) end and tie up to power-assisted waist shoulder belt (6) of people's waist, it is arranged on the energy storage positioning hanger (7) bottom stair.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231152.1A CN105712266A (en) | 2016-04-14 | 2016-04-14 | Automatic gravitational potential energy conversion-storage type assisting method for walking up and down stairs |
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| CN201610231152.1A CN105712266A (en) | 2016-04-14 | 2016-04-14 | Automatic gravitational potential energy conversion-storage type assisting method for walking up and down stairs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626254A (en) * | 2019-01-26 | 2019-04-16 | 广东博智林机器人有限公司 | Exempt from power transport device and transportation system |
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| JP2008214094A (en) * | 2007-03-01 | 2008-09-18 | Itbox Co Ltd | Stairway go-up/-down assisting device |
| CN201953126U (en) * | 2010-03-27 | 2011-08-31 | 濮阳市信宇石油机械化工有限公司 | Parking and retrieving assisting mechanism for miniature walking-substituting vehicle |
| CN103195670A (en) * | 2013-04-03 | 2013-07-10 | 刘令 | Method for high-power generation through animal-force instinct actions and configuration of method |
| CN203845627U (en) * | 2014-03-19 | 2014-09-24 | 张树业 | Weight energy-storing self-driving elevator |
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2016
- 2016-04-14 CN CN201610231152.1A patent/CN105712266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556576A (en) * | 2004-01-08 | 2004-12-22 | 王建平 | Method of reserving electric power |
| JP2008214094A (en) * | 2007-03-01 | 2008-09-18 | Itbox Co Ltd | Stairway go-up/-down assisting device |
| CN201953126U (en) * | 2010-03-27 | 2011-08-31 | 濮阳市信宇石油机械化工有限公司 | Parking and retrieving assisting mechanism for miniature walking-substituting vehicle |
| CN103195670A (en) * | 2013-04-03 | 2013-07-10 | 刘令 | Method for high-power generation through animal-force instinct actions and configuration of method |
| CN203845627U (en) * | 2014-03-19 | 2014-09-24 | 张树业 | Weight energy-storing self-driving elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109626254A (en) * | 2019-01-26 | 2019-04-16 | 广东博智林机器人有限公司 | Exempt from power transport device and transportation system |
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Application publication date: 20160629 |