CN102963852B - Gravity balance mechanism - Google Patents
Gravity balance mechanism Download PDFInfo
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- CN102963852B CN102963852B CN201210305421.6A CN201210305421A CN102963852B CN 102963852 B CN102963852 B CN 102963852B CN 201210305421 A CN201210305421 A CN 201210305421A CN 102963852 B CN102963852 B CN 102963852B
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- wheel
- diameter
- spring
- changing
- changing wheel
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Abstract
The invention discloses a gravity balance mechanism. The gravity balance mechanism comprises a reducing wheel, a spring, a hauling cable and a base, wherein the reducing wheel comprises a first outer wheel, a driving wheel, an intermediate wheel, a driven wheel and a second outer wheel; the reducing wheel is fixedly arranged on the base, one end of the spring is also fixedly arranged on the base, and one end of the hauling cable is connected with the other end of the spring; the driving wheel, the intermediate wheel and the driven wheel are sequentially clamped between the first outer wheel and the second outer wheel; the intermediate wheel is provided with a cable through hole, and the driven wheel is provided with a cable winding slot; and the other end of the hauling cable is wound around the driving wheel and then passes through the cable through hole to extend out of the cable winding slot to be used for suspending a weight. According to the gravity balance mechanism disclosed by the invention, as the gravity of the weight is constant, when the suspended weight moves up and down, the tension of the spring changes, and the radius of the reducing wheel also changes so that the suspended weight keeps balance at any positions; and when the weight of the suspended weight is changed, as long as the initial tension of the spring is regulated, the suspended weight keeps balance at any positions.
Description
Technical field
The present invention relates to equalizing gear field, particularly relate to a kind of gravitational equilibrium mechanism.
Background technology
No matter be in physical construction, still in daily life, want at a gravity direction easily mobile object, all need the equilibrium problem considering gravity, original gravitational equilibrium mechanism is the gravity adopting weight and fixed pulley to carry out weight equalizer, but this needs a weight equal with weight, and has a fixed pulley and trailing cable, this makes the increase at double of mechanism's weight and takies large space.
In prior art, application number is: 201010019469.1, name is called that the patent of " a kind of gravitational equilibrium mechanism " also provides a kind of gravitational equilibrium mechanism, and this gravitational equilibrium mechanism is made up of accumulator and coniform spiral dish, accumulator by axle, determine shell, torsion spring and dynamic shell and form; Coniform spiral dish is made up of coniform spiral disk body and trailing cable.This equalizing gear efficiently solves in a segment distance, and weight can be made to keep the problem of balance.
But the action radius of the weight in this equalizing gear is very little, and torsion spring is easily out of shape, and can affect the use of whole equalizing gear after distortion, meanwhile, this equalizing gear is only applicable to the smaller weight of gravity.Little and the inconvenient operation of its Applicable scope of this equalizing gear is described, cannot meets the demand in market.
Summary of the invention
For the weak point existed in above-mentioned technology, the invention provides that a kind of structure is simple, cost is low, applied widely, easy to use and by changing the radius of diameter-changing wheel and the pulling force of spring to regulate the gravitational equilibrium mechanism of the gravitational equilibrium of weight.
For achieving the above object, the invention provides a kind of gravitational equilibrium mechanism, comprise diameter-changing wheel, spring, hauling rope and pedestal, described diameter-changing wheel comprises the first foreign steamer, driving wheel, middlely to take turns, flower wheel and the second foreign steamer; Described diameter-changing wheel is fixed on pedestal and one end of spring and is also fixed on pedestal, and one end of described hauling rope is connected with the other end of spring; Described driving wheel, middlely to take turns and flower wheel is clamped between the first foreign steamer and the second foreign steamer in turn; Take turns in described and be provided with through wires hole, described flower wheel is provided with winding slot; For hanging weight after the other end of described hauling rope is wound on and driving wheel extends from winding slot through through wires hole again.
Wherein, described gravitational equilibrium mechanism also comprises spring regulating handle, and described spring regulating handle to be fixed on pedestal and to be connected with spring.
Wherein, described gravitational equilibrium mechanism also comprises diameter-changing wheel anchor shaft, and described diameter-changing wheel is provided with diameter-changing wheel axis hole and assembling fixed orifice; Described diameter-changing wheel anchor shaft and the suitable fixing diameter-changing wheel of diameter-changing wheel axis hole, the assembling fixed orifice of described diameter-changing wheel is fixed on the periphery of diameter-changing wheel axis hole.
For achieving the above object, the present invention also provides a kind of gravitational equilibrium mechanism, comprises diameter-changing wheel, spring, hauling rope, base, fixed mount, the first track adjusting wheel and the second track adjusting wheel; Described diameter-changing wheel comprises the first foreign steamer, driving wheel, middlely to take turns, flower wheel and the second foreign steamer; Described first track adjusting wheel and the second track adjusting wheel are separately fixed on fixed mount, and described diameter-changing wheel is fixed on base and one end of spring and is also fixed on base, one end of described hauling rope by the other end of the second track adjusting wheel and spring be connected; Described driving wheel, middlely to take turns and flower wheel is clamped between the first foreign steamer and the second foreign steamer in turn; Take turns in described and be provided with through wires hole, described flower wheel is provided with winding slot; The other end of described hauling rope is wound on driving wheel and extends from winding slot through through wires hole, described in the hauling rope that extends by after the first track adjusting wheel for hanging weight.
Wherein, described gravitational equilibrium mechanism also comprises spring regulating handle, and described spring regulating handle to be fixed on base and to be connected with spring.
Wherein, described gravitational equilibrium mechanism also comprises diameter-changing wheel anchor shaft, and described diameter-changing wheel is provided with diameter-changing wheel axis hole and assembling fixed orifice; Described diameter-changing wheel anchor shaft and the suitable fixing diameter-changing wheel of diameter-changing wheel axis hole, the assembling fixed orifice of described diameter-changing wheel is fixed on the periphery of diameter-changing wheel axis hole.
The invention has the beneficial effects as follows: compared with prior art, gravitational equilibrium mechanism provided by the invention, one end of diameter-changing wheel linking springs is passed in one end of hauling rope, the other end of hauling rope hangs weight, even the gravity of weight is determined, only need be realized the balance of weight by the change elastic force of spring and the radius of diameter-changing wheel, moving up and down of weight can be realized; When the gravity hanging weight changes, only need the initial tension by regulating spring, thus the weight realizing hanging keeps balance at an arbitrary position.
In addition, another kind of gravitational equilibrium mechanism provided by the invention, the basis of the first embodiment adds the first track adjusting wheel and the second track adjusting wheel, be applicable to the direction of power that hauling rope needs and the direction of the power of weight inconsistent time, this device makes user more convenient to use.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the gravitational equilibrium mechanism of first embodiment of the invention;
Fig. 2 is the constructional drawing of diameter-changing wheel in Fig. 1 of the present invention;
Fig. 3 is the exploded view of diameter-changing wheel in Fig. 1 of the present invention;
Fig. 4 is the schematic diagram of the gravitational equilibrium mechanism of second embodiment of the invention;
Fig. 5 is the constructional drawing of diameter-changing wheel in Fig. 4 of the present invention;
Fig. 6 is the exploded view of diameter-changing wheel in Fig. 4 of the present invention;
Main element nomenclature is as follows:
A1, diameter-changing wheel A2, spring
A3, hauling rope A4, pedestal
A11, the first foreign steamer A12, the second foreign steamer
A13, driving wheel A14, middlely to take turns
A15, flower wheel A141, through wires hole
A151, winding slot A16, diameter-changing wheel axis hole
Assembling fixed orifice A5 on A17, diameter-changing wheel, weight
B1, diameter-changing wheel B2, spring
B3, hauling rope B4, spring regulating handle
B5, base B11, the first foreign steamer
B12, the second foreign steamer B13, driving wheel
B14, middlely take turns B15, flower wheel
B141, through wires hole B151, winding slot
B6, fixed mount B7, the first track adjusting wheel
B8, the second track adjusting wheel B10, diameter-changing wheel anchor shaft
Assembling fixed orifice on B16, diameter-changing wheel axis hole B17, diameter-changing wheel
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 1, the gravitational equilibrium mechanism of the first embodiment provided by the invention, comprise diameter-changing wheel A1, spring A2, hauling rope A3 and pedestal A5, diameter-changing wheel comprises the first foreign steamer A11, driving wheel A13, middlely takes turns A14, flower wheel A15 and the second foreign steamer A12; Diameter-changing wheel A1 is fixed on pedestal A4 and one end of spring A2 and is also fixed on pedestal A4, and one end of hauling rope A3 is connected with the other end of spring A3; Driving wheel A13, the middle A14 of wheel and flower wheel A15 are clamped between the first foreign steamer A11 and the second foreign steamer A12 in turn; In take turns A14 and be provided with through wires hole A141, flower wheel A15 is provided with winding slot A151; For hanging weight A5 after the other end of hauling rope A3 is wound on and driving wheel A13 extends from winding slot A151 through through wires hole A141 again.
Please consult Fig. 2-3 further, before assembling diameter-changing wheel A1, first hauling rope A3 is passed through diagram method for winding, around on driving wheel A13 and flower wheel A15, suppose from driving wheel A13 hauling rope A3 be out A end, be B end from flower wheel A15 hauling rope A3 out, then screw and nut is used through the assembling fixed orifice A17 on diameter-changing wheel by the first foreign steamer A11, driving wheel A13, in take turns A14, flower wheel A15 and the second foreign steamer A12 combines, certainly, do not limit to the hauling rope of A end and the connection of spring A2, the hauling rope of B end is connected with weight (not shown), can also be the hauling rope of B end and the connection of spring A2, the hauling rope of A end is connected with weight (not shown).
In the present embodiment, gravitational equilibrium mechanism also comprises spring regulating handle (not shown), spring regulating handle (not shown) to be fixed on pedestal A4 and to be connected with spring A2, by regulating spring regulating handle (not shown), make this equalizing gear can meet weight within the specific limits.
In the present embodiment, gravitational equilibrium mechanism also comprises diameter-changing wheel anchor shaft (not shown), and diameter-changing wheel is provided with diameter-changing wheel axis hole A16; Diameter-changing wheel anchor shaft (not shown) and the suitable fixing diameter-changing wheel A1 of diameter-changing wheel axis hole A16, the assembling fixed orifice A17 of diameter-changing wheel is fixed on the periphery of diameter-changing wheel axis hole A16.
In a first embodiment, pedestal A4 can be body of wall, machinery, upholder or bracket of projector etc., as long as can as pedestal, be all belong to the scope of protection of the invention.
Please consult Fig. 4 further, another kind of gravitational equilibrium mechanism provided by the invention, comprise diameter-changing wheel B1, spring B 2, hauling rope B3, base B5, fixed mount B6, the first track adjusting wheel B7 and the second track adjusting wheel B8; Diameter-changing wheel comprises the first foreign steamer B11, driving wheel B13, middlely takes turns B14, flower wheel B15 and the second foreign steamer B12; First track adjusting wheel B7 and the second track adjusting wheel B8 is separately fixed on fixed mount B6, and diameter-changing wheel B1 is fixed on pedestal B4 and one end of spring B 2 and is also fixed on pedestal B4, and one end of hauling rope B3 is connected with the other end of spring B 3 by the second track adjusting wheel B8; Driving wheel B13, the middle B14 of wheel and flower wheel B15 are clamped between the first foreign steamer B11 and the second foreign steamer B12 in turn; In take turns B14 and be provided with through wires hole B141, flower wheel B15 is provided with winding slot B151; The other end of hauling rope B3 is wound on driving wheel B13 and extends from winding slot B151 through through wires hole B141, the hauling rope extended by after the first track adjusting wheel B7 for hanging weight.
Please consult Fig. 5-6 further, before assembling diameter-changing wheel B1, first hauling rope B3 is passed through diagram method for winding, around on driving wheel B13 and flower wheel B15, suppose from driving wheel B13 hauling rope B3 be out A end, be B end from flower wheel B15 hauling rope B3 out, then screw and nut is used through the assembling fixed orifice B17 on diameter-changing wheel by the first foreign steamer B11, driving wheel B13, in take turns B14, flower wheel B15 and the second foreign steamer B12 combines, certainly, do not limit to the hauling rope of A end and the connection of spring B 2, the hauling rope of B end is connected with weight (not shown), can also be the hauling rope of B end and the connection of spring B 2, the hauling rope of A end is connected with weight (not shown).
In the present embodiment, gravitational equilibrium mechanism also comprises spring regulating handle B4, and spring regulating handle B4 to be fixed on base B5 and to be connected with spring B 2, by regulating spring regulating handle B4, makes this equalizing gear can meet weight within the specific limits.
In the present embodiment, gravitational equilibrium mechanism also comprises diameter-changing wheel anchor shaft B10, and diameter-changing wheel is provided with diameter-changing wheel axis hole B16; The suitable fixing diameter-changing wheel B1 of diameter-changing wheel anchor shaft B10 and diameter-changing wheel axis hole B16, the assembling fixed orifice B17 of diameter-changing wheel is fixed on the periphery of diameter-changing wheel axis hole B16.
In the present invention, the advantage of the gravitational equilibrium mechanism that the first embodiment and the second embodiment provide is:
1, according to T=F*R, known, work as T
a=T
btime, then this mechanism is in state of equilibrium; Meanwhile, the elastic force formula according to spring: F=K*X, the power that its A holds is constantly change, if but after the weight of B end determines, its value is definite value, make T
a=T
b, T
a=K*X*R, then weight is moving up and down in process, and the elastic force F of spring is constantly change, then the moment X of elastic force also constantly changes, and the change of elastic force F and moment X be changing into inverse ratio, then to keep the gravitational equilibrium of weight, the R of B end needs constantly to change, if reach K*X*R=T
b, then weight is just in state of equilibrium.After formulae discovery and optimal design, drawing the track of flower wheel and driving wheel, realizing the balance of weight by changing the elastic force of spring and the radius of diameter-changing wheel, moving up and down and keeping the balance of weight of weight can be realized fast;
2, even the gravity of weight is determined, only need be realized the balance of weight by the change elastic force of spring and the radius of diameter-changing wheel, can realize moving up and down of weight; When the gravity hanging weight changes, only need the initial tension by regulating spring, thus the weight realizing hanging keeps balance at an arbitrary position;
3, the direction of power is changed by the first track adjusting wheel and the second track adjusting wheel;
4, by regulating spring regulating handle, this equalizing gear is made can to meet weight within the specific limits;
5, this equalizing gear structure is simple, cost is low, applied widely and easy to use.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (4)
1. a gravitational equilibrium mechanism, is characterized in that, comprises diameter-changing wheel, spring, hauling rope and pedestal, and described diameter-changing wheel comprises the first foreign steamer, driving wheel, middlely to take turns, flower wheel and the second foreign steamer; Described diameter-changing wheel is fixed on pedestal and one end of spring and is also fixed on pedestal, and one end of described hauling rope is connected with the other end of spring; Described driving wheel, middlely to take turns and flower wheel is clamped between the first foreign steamer and the second foreign steamer in turn; Take turns in described and be provided with through wires hole, described flower wheel is provided with winding slot; For hanging weight after the other end of described hauling rope is wound on and driving wheel extends from winding slot through through wires hole again; Described gravitational equilibrium mechanism also comprises diameter-changing wheel anchor shaft, and described diameter-changing wheel is provided with diameter-changing wheel axis hole and assembling fixed orifice; Described diameter-changing wheel anchor shaft and the suitable fixing diameter-changing wheel of diameter-changing wheel axis hole, the assembling fixed orifice of described diameter-changing wheel is fixed on the periphery of diameter-changing wheel axis hole.
2. gravitational equilibrium mechanism according to claim 1, is characterized in that, described gravitational equilibrium mechanism also comprises spring regulating handle, and described spring regulating handle to be fixed on pedestal and to be connected with spring.
3. a gravitational equilibrium mechanism, is characterized in that, comprises diameter-changing wheel, spring, hauling rope, base, fixed mount, the first track adjusting wheel and the second track adjusting wheel; Described diameter-changing wheel comprises the first foreign steamer, driving wheel, middlely to take turns, flower wheel and the second foreign steamer; Described first track adjusting wheel and the second track adjusting wheel are separately fixed on fixed mount, and described diameter-changing wheel is fixed on base and one end of spring and is also fixed on base, one end of described hauling rope by the other end of the second track adjusting wheel and spring be connected; Described driving wheel, middlely to take turns and flower wheel is clamped between the first foreign steamer and the second foreign steamer in turn; Take turns in described and be provided with through wires hole, described flower wheel is provided with winding slot; The other end of described hauling rope is wound on driving wheel and extends from winding slot through through wires hole, described in the hauling rope that extends by after the first track adjusting wheel for hanging weight; Described gravitational equilibrium mechanism also comprises diameter-changing wheel anchor shaft, and described diameter-changing wheel is provided with diameter-changing wheel axis hole and assembling fixed orifice; Described diameter-changing wheel anchor shaft and the suitable fixing diameter-changing wheel of diameter-changing wheel axis hole, the assembling fixed orifice of described diameter-changing wheel is fixed on the periphery of diameter-changing wheel axis hole.
4. gravitational equilibrium mechanism according to claim 3, is characterized in that, described gravitational equilibrium mechanism also comprises spring regulating handle, and described spring regulating handle to be fixed on base and to be connected with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305421.6A CN102963852B (en) | 2012-08-24 | 2012-08-24 | Gravity balance mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305421.6A CN102963852B (en) | 2012-08-24 | 2012-08-24 | Gravity balance mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN102963852A CN102963852A (en) | 2013-03-13 |
| CN102963852B true CN102963852B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210305421.6A Expired - Fee Related CN102963852B (en) | 2012-08-24 | 2012-08-24 | Gravity balance mechanism |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421593A (en) * | 2013-09-02 | 2015-03-18 | 崔壮勇 | Chain wheel type LCD TV (liquid crystal display television) lifting device |
| CN106379833A (en) * | 2016-11-29 | 2017-02-08 | 无锡特恒科技有限公司 | Steel wire rope drawing mechanism |
| CN106430036A (en) * | 2016-11-29 | 2017-02-22 | 无锡特恒科技有限公司 | Tension spring gravity pulling mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685648A (en) * | 1985-05-17 | 1987-08-11 | Bausch & Lomb Incorporated | Counterbalancing apparatus for use in an optical instrument |
| CN1600669A (en) * | 2004-10-27 | 2005-03-30 | 万维柔 | Mechanism for automatic balancing weight for lift |
| CN102126691A (en) * | 2010-01-19 | 2011-07-20 | 于维恕 | Gravity balancing mechanism |
| CN202785553U (en) * | 2012-08-24 | 2013-03-13 | 深圳市海亚科技发展有限公司 | Gravity balancing mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005116487A1 (en) * | 2004-05-28 | 2005-12-08 | Koninklijke Philips Electronics N.V. | Gravity compensation device |
| US8228668B2 (en) * | 2006-07-26 | 2012-07-24 | Ergotron, Inc. | Balanced moment lift system and method |
-
2012
- 2012-08-24 CN CN201210305421.6A patent/CN102963852B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685648A (en) * | 1985-05-17 | 1987-08-11 | Bausch & Lomb Incorporated | Counterbalancing apparatus for use in an optical instrument |
| CN1600669A (en) * | 2004-10-27 | 2005-03-30 | 万维柔 | Mechanism for automatic balancing weight for lift |
| CN102126691A (en) * | 2010-01-19 | 2011-07-20 | 于维恕 | Gravity balancing mechanism |
| CN202785553U (en) * | 2012-08-24 | 2013-03-13 | 深圳市海亚科技发展有限公司 | Gravity balancing mechanism |
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| Publication number | Publication date |
|---|---|
| CN102963852A (en) | 2013-03-13 |
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