CN113464621B - Power device based on pulley block - Google Patents
Power device based on pulley block Download PDFInfo
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- CN113464621B CN113464621B CN202110736334.5A CN202110736334A CN113464621B CN 113464621 B CN113464621 B CN 113464621B CN 202110736334 A CN202110736334 A CN 202110736334A CN 113464621 B CN113464621 B CN 113464621B
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- pulley
- connecting rod
- rope
- power
- conversion device
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Abstract
The invention relates to the technical field of power devices, in particular to a pulley block-based power device. The pulley block-based power device comprises two pulley blocks, pulley block ropes and a power conversion device which are oppositely arranged; the pulley block comprises a fixed pulley and a movable pulley, and pulley block ropes are wound on the fixed pulley and the movable pulley; the movable pulley is also connected with a movable pulley rope; the pulley block rope and the end part of the movable pulley rope are connected with a power conversion device, and the power conversion device drives the pulley block rope to reciprocate along a set direction through rotation; when the pulley block ropes reciprocate, the movable pulleys of the two pulley blocks alternately move along opposite directions under the pulling of the ropes of the respective pulley blocks, and the pulley blocks drive the power conversion device to rotate through the movable pulley ropes. The power-saving principle of the pulley block is utilized to drive the high-power generator to generate power with smaller force, so that the problem that the power output device in the prior art cannot drive the generator to generate power due to smaller force is solved.
Description
Technical Field
The invention relates to the technical field of power devices, in particular to a pulley block-based power device.
Background
At present, the development of clean energy sources, such as wind power, water power and the like, is a development trend, and generators are used in the power generation process.
The principle of the existing wind power generator, hydroelectric generator and the like is that the mechanical energy of wind, water and the like is converted into electric energy, but the conversion efficiency is low; taking a wind driven generator as an example, the wind driven generator generally comprises a vertical axis wind driven generator and a horizontal axis wind driven generator, wherein both wind force drives an impeller to rotate, and further a rotor of the generator is driven to rotate through a multi-stage transmission mechanism to generate power, due to factors such as friction in a transmission process, the transmission efficiency of mechanical energy is lower, the minimum level requirement on wind force is more severe, the wind speed of about 3m/s is generally required, the wind driven generator can be driven to generate power, and the wind power generation cannot be realized in most areas because the wind speed requirement cannot be met.
That is, in the conventional power generation process, there is a problem in that the power output device cannot drive the generator to generate power because the output force is small.
Disclosure of Invention
The invention aims to provide a pulley block-based power device, which can solve the problem that a generator cannot be driven to generate power due to smaller output force of a power output device;
the invention provides a pulley block-based power device, which comprises two pulley blocks, pulley block ropes and a power conversion device which are oppositely arranged;
the pulley block comprises a fixed pulley and a movable pulley, and the pulley block rope is wound on the fixed pulley and the movable pulley;
the movable pulley is also connected with a movable pulley rope;
the pulley block rope and the movable pulley rope are connected with a power conversion device at the end parts, and the power conversion device drives the pulley block rope to reciprocate along a set direction through rotation;
when the pulley block ropes reciprocate, the movable pulleys of the two pulley blocks alternately move along opposite directions under the pulling of the ropes of the respective pulley blocks, and the pulley blocks drive the power conversion device to rotate through the movable pulley ropes.
Preferably, the power conversion device connected with the pulley block rope is a first power conversion device, and the power conversion device connected with the movable pulley rope is a second power conversion device;
the first power conversion device is connected with the power input device, and the second power conversion device is connected with the power output device.
Preferably, the power input device is an engine, and the power output device is a generator.
Preferably, the power conversion device comprises a rotating rod, one end of the rotating rod is provided with a fixing hole, and the other end of the rotating rod is provided with a rotating wheel.
Preferably, the rotating rod connected with the power input device is a first rotating rod, and the rotating rod connected with the power output device is a second rotating rod;
the fixed hole of the first rotating rod is fixedly connected with the rotating shaft of the power input device, and the pulley block rope is fixedly connected with the rotating wheel of the first rotating rod;
the fixed hole of the second rotating rod is fixedly connected with the rotating shaft of the power output device, and the movable pulley rope is fixedly connected with the rotating wheel of the second rotating rod.
Preferably, the power conversion device is a connecting rod assembly;
the connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod, a first chute and a second chute;
the first end of the first connecting rod slides with the first chute, and the first end of the second connecting rod is connected with the second chute in a sliding way;
the second end of the first connecting rod and the second end of the second connecting rod are both rotationally connected with the first end of the third connecting rod.
Preferably, the connecting rod assembly connected with the power input device is a first connecting rod assembly, and the connecting rod assembly connected with the power output device is a second connecting rod assembly;
the first ends of the first connecting rod and the second connecting rod of the first connecting rod assembly are respectively connected with a pulley block rope, and the second end of the third connecting rod of the first connecting rod assembly is fixedly connected with the power input device;
the first end of the first connecting rod and the first end of the second connecting rod assembly are respectively connected with a movable pulley block rope, and the second end of the third connecting rod of the second connecting rod assembly is fixedly connected with the power output device.
Preferably, the pulley block comprises a plurality of pulley blocks which are sequentially overlapped;
in the adjacent pulley blocks, a power conversion device connected with the movable pulley rope in one pulley block is a first power conversion device, a power conversion device connected with the pulley block rope in the other pulley block is a second power conversion device, and the first power conversion device is connected with the second power conversion device.
Preferably, the end parts of the two pulley block ropes reciprocate in the same linear direction, and the two movable pulley ropes reciprocate in the same linear direction;
the linear directions of the pulley block rope and the movable pulley rope end part are different linear directions.
Preferably, the pulley block rope and the movable pulley rope are wound on the corresponding guide wheels.
The beneficial effects are that:
the pulley block rope and the end part of the movable pulley rope reciprocate on a set linear track, the power conversion device is used for converting rotation into linear motion of the pulley block rope, the linear motion of the movable pulley rope is converted into rotation, the pulley block formed by the movable pulley and the fixed pulley is deformed by a lever, the lever is a labor-saving lever, conversion between rotation and linear motion can be realized through the arrangement of the power conversion device, and further, in a power generation device applied to the pulley block, the power generation can be realized by using a labor-saving principle of the pulley block, and a high-power generator can be driven by smaller force to generate power, so that the problem that the generator cannot be driven to generate power due to smaller force output by a power output device of the power generation device in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a pulley block-based power device according to an embodiment of the present invention, where a dashed circle represents a running track of an end portion of a rotating rod;
fig. 2 is a schematic structural diagram of another pulley-block-based power device according to an embodiment of the present invention, where a dashed circle represents a moving track of a first end of a third link.
1: pulley block, 2: pulley block rope, 3: power conversion device, 4: movable pulley rope, 5: and a guide wheel.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 2, the present embodiment provides a pulley block-based power device, which includes two oppositely disposed pulley blocks 1, a pulley block rope 2 and a power conversion device 3;
the pulley block 1 comprises a fixed pulley and a movable pulley, and the pulley block rope 2 is wound on the fixed pulley and the movable pulley.
The movable pulley is also connected with a movable pulley rope 4, the pulley block rope 2 and the end part of the movable pulley rope 4 are connected with a power conversion device 3, and the power conversion device 3 drives the pulley block rope 2 to reciprocate along a set direction through rotation;
when the pulley block ropes 2 reciprocate, the movable pulleys of the two pulley blocks 1 alternately move in opposite directions under the pulling of the ropes of the respective pulley blocks 1, and the pulley blocks 1 drive the power conversion device 3 to rotate through the movable pulley rope 4.
The pulley block rope 2 and the end part of the movable pulley rope 4 reciprocate on a set linear track, the power conversion device 3 converts rotation into linear motion of the pulley block rope 2, the linear motion of the movable pulley rope 4 is converted into rotation, the pulley block 1 formed by the movable pulley and the fixed pulley block 1 is a lever deformation which is a labor-saving lever, conversion between rotation and linear motion can be realized through the arrangement of the power conversion device 3, and further, in a power generation device applied to the pulley block 1, the power generation can be realized by driving a high-power generator with smaller force by utilizing the labor-saving principle of the pulley block 1, and the problem that the generator cannot be driven to generate power due to smaller force output by the power output device of the power generation device in the prior art is solved.
In this embodiment, the pulley block-based power device may be used to drive other machines to rotate in addition to the generator to generate electricity, and mainly uses the principle of saving power of the pulley block to drive the equipment with larger power to work with smaller power.
Specifically, the power conversion device 3 connected to the pulley block rope 2 is a first power conversion device 3, and the power conversion device 3 connected to the movable pulley rope 4 is a second power conversion device 3.
The first power conversion device 3 is connected with the power input device, and the second power conversion device 3 is connected with the power output device.
The power input device is an engine, a blade of a wind power generation device, an impeller of a hydroelectric power generation device and the like, that is to say, the power input device can be a power input device commonly used in the prior power generation technology. The power output device is a generator.
In the present embodiment, there is provided a structural form of the power conversion device 3, specifically as follows:
the power conversion device 3 includes a rotation lever, one end of which is provided with a fixing hole, and the other end of which is provided with a rotation wheel.
The rotating rod is rotated around the rotating shaft, and one end of the rotating rod with the rotating wheel moves along a circular track.
Pulley block rope 2 and movable pulley rope 4 are fixed on the rotor, and the rotor rotates with the dwang to be connected, sets up the purpose of rotor on the dwang, and the dwang can stimulate pulley block rope 2 along setting for the orbit removal at the rotation in-process, but pulley block rope 2 can not twine on the dwang, and corresponding movable pulley rope 4 pulls the dwang to rotate, and movable pulley rope 4 sets up on the rotor, can prevent that movable pulley rope 4 from twining on the dwang.
Specifically, the rotating rod connected with the power input device is a first rotating rod, and the rotating rod connected with the power output device is a second rotating rod.
The fixed hole of the first rotating rod is fixedly connected with the rotating shaft of the power input device, and the pulley block rope 2 is fixedly connected with the rotating wheel of the first rotating rod.
The fixed hole of the second rotating rod is fixedly connected with the rotating shaft of the power output device, and the movable pulley rope 4 is fixedly connected with the rotating wheel of the second rotating rod.
The power input device can drive the first rotating rod to rotate, the first rotating rod can pull the pulley block rope 2 to reciprocate along a set track, the movable pulley rope 4 can drive the second rotating rod to rotate, and the rotation of the second rotating rod can drive the power output device to rotate.
The purpose of arranging two pulley blocks 1 is that in the rotation period of one first rotating rod or one second rotating rod, the motion track of the pulley block rope 2 is gradually stretched and then gradually retracted, the corresponding movable pulley rope in the process is gradually stretched, the movable pulley rope 4 can pull the second rotating rod to rotate in the process that the movable pulley rope 4 is pulled by a rope, and if only one pulley block 1 is arranged, the pulley block rope 2 cannot pull the rotating rod to rotate in the retraction process. Therefore, two pulley blocks 1 are required to be arranged, and the second rotating rod is pulled by the two pulley blocks 1 alternately, so that the second rotating rod can be pulled to rotate circumferentially.
The retraction of the pulley block rope 2 is realized under the gravity action of the movable pulley. The pulley block 1 is thus to be placed vertically.
In this embodiment, the link assembly includes a first link, a second link, a third link, a first chute, and a second chute.
The first end of the first connecting rod slides with the first chute, and the first end of the second connecting rod is connected with the second chute in a sliding way.
The second end of the first connecting rod and the second end of the second connecting rod are both rotationally connected with the first end of the third connecting rod.
The connecting rod assembly connected with the power input device is a first connecting rod assembly, and the connecting rod assembly connected with the power output device is a second connecting rod assembly.
The first ends of the first connecting rod and the second connecting rod of the first connecting rod assembly are respectively connected with one pulley block rope 2, and the second end of the third connecting rod of the first connecting rod assembly is fixedly connected with the power input device.
The power input device drives the third connecting rod to rotate by taking the second end of the third connecting rod as a rotating shaft, the first end of the third connecting rod rotates along a circular track in the rotation process of the third connecting rod, the third connecting rod can drive the first end of the first connecting rod to slide reciprocally along the first sliding chute, the first end of the second connecting rod slides reciprocally along the second sliding chute, the first end of the first connecting rod and the first end of the second connecting rod are required to be explained at the same moment, the movement directions of the first end of the first connecting rod and the first end of the second connecting rod are opposite, and when the first end of the first connecting rod and the first end of the second connecting rod move correspondingly, the first end of the first connecting rod and the first end of the second connecting rod can drive the corresponding pulley block rope 2 to move reciprocally.
The first connecting rod of the second connecting rod assembly and the first end of the second connecting rod are respectively connected with a movable pulley block rope 2, and the second end of the third connecting rod of the second connecting rod assembly is fixedly connected with the power output device.
The second connecting rod assembly moves under the pulling of the movable pulley rope 4, the working process of the second connecting rod assembly is a process which is opposite to the working process of the first connecting rod assembly, and finally, the power output device is driven to rotate through the third rod of the second connecting rod assembly.
The two power conversion devices 3 according to the present embodiment are only preferable embodiments of the present embodiment, and it is needless to say that the power conversion device 3 does not use any other device capable of converting the linear motion of the rope into the rotation and converting the rotation into the linear motion of the rope.
The pulley block-based power device comprises a plurality of pulley blocks 1 which are sequentially overlapped.
In the adjacent pulley blocks 1, a power conversion device 3 connected with a movable pulley rope 4 in one pulley block 1 is a first power conversion device 3, a power conversion device 3 connected with a pulley block rope 2 in the other pulley block 1 is a second power conversion device 3, and the first power conversion device 3 is connected with the second power conversion device 3.
Through the setting of a plurality of assembly pulley 1, can form multistage laborsaving structure, can further realize the work through the less power drive generator of one.
The end parts of the two pulley block ropes 2 reciprocate in the same straight line direction, and the two movable pulley ropes 4 reciprocate in the same straight line direction.
The straight line directions of the pulley block rope 2 and the movable pulley rope 4 are different.
The pulley block-based power device also comprises a guide wheel 5, and the pulley block rope 2 and the movable pulley rope 4 are wound on the corresponding guide wheels 5. The direction of the pulley block rope 2 and the direction of the movable pulley rope 4 can be limited by the arrangement of the guide wheels 5, so that the pulley block rope 2 and the movable pulley rope 4 can run in a straight line direction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. The power device based on the pulley block is characterized by comprising two pulley blocks, pulley block ropes and a power conversion device which are oppositely arranged;
the pulley block comprises a fixed pulley and a movable pulley, and the pulley block rope is wound on the fixed pulley and the movable pulley;
the movable pulley is also connected with a movable pulley rope;
the pulley block rope and the movable pulley rope are connected with a power conversion device at the end parts, and the power conversion device drives the pulley block rope to reciprocate along a set direction through rotation;
when the pulley block ropes reciprocate, the movable pulleys of the two pulley blocks alternately move along opposite directions under the pulling of the ropes of the respective pulley blocks, and the pulley blocks drive the power conversion device to rotate through the movable pulley ropes;
the power conversion device comprises a rotating rod, one end of the rotating rod is provided with a fixed hole, and the other end of the rotating rod is provided with a rotating wheel;
one end of the rotating rod with a fixed hole is provided with a rotating shaft, the rotating rod rotates around the rotating shaft, and one end of the rotating rod with a rotating wheel moves along a circular track;
the pulley block rope and the movable pulley rope are fixed on a rotating wheel, and the rotating wheel is in rotating connection with the rotating rod;
the power conversion device connected with the pulley block rope is a first power conversion device, and the power conversion device connected with the movable pulley rope is a second power conversion device;
the first power conversion device is connected with the power input device, and the second power conversion device is connected with the power output device;
the power input device is an engine, and the power output device is a generator;
the rotating rod connected with the power input device is a first rotating rod, and the rotating rod connected with the power output device is a second rotating rod;
the fixed hole of the first rotating rod is fixedly connected with the rotating shaft of the power input device, and the pulley block rope is fixedly connected with the rotating wheel of the first rotating rod;
the fixed hole of the second rotating rod is fixedly connected with the rotating shaft of the power output device, and the movable pulley rope is fixedly connected with the rotating wheel of the second rotating rod;
the power conversion device is a connecting rod assembly;
the connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod, a first chute and a second chute;
the first end of the first connecting rod slides with the first chute, and the first end of the second connecting rod is connected with the second chute in a sliding way;
the second end of the first connecting rod and the second end of the second connecting rod are both rotationally connected with the first end of the third connecting rod;
the connecting rod assembly connected with the power input device is a first connecting rod assembly, and the connecting rod assembly connected with the power output device is a second connecting rod assembly;
the first ends of the first connecting rod and the second connecting rod of the first connecting rod assembly are respectively connected with one pulley block rope, the second end of the third connecting rod of the first connecting rod assembly is fixedly connected with the power input device, and at the same moment, the first ends of the first connecting rod and the second connecting rod have opposite movement directions, and when the first ends of the first connecting rod and the second connecting rod correspondingly move, the first ends of the first connecting rod and the second connecting rod correspondingly drive the corresponding pulley block rope to reciprocate;
the first end of the first connecting rod and the first end of the second connecting rod assembly are respectively connected with a movable pulley block rope, the second end of the third connecting rod of the second connecting rod assembly is fixedly connected with the power output device, the second connecting rod assembly moves under the pulling of the movable pulley rope, and the working process of the second connecting rod assembly is a process which is opposite to that of the first connecting rod assembly.
2. The pulley-based power plant of claim 1, comprising a plurality of pulley blocks stacked one upon the other;
in the adjacent pulley blocks, a power conversion device connected with the movable pulley rope in one pulley block is a first power conversion device, a power conversion device connected with the pulley block rope in the other pulley block is a second power conversion device, and the first power conversion device is connected with the second power conversion device.
3. The pulley-based power plant of claim 1, wherein the ends of both pulley-based ropes reciprocate in the same linear direction and both travelling block ropes reciprocate in the same linear direction;
the linear directions of the pulley block rope and the movable pulley rope end part are different linear directions.
4. A pulley-based power plant as claimed in claim 3, further comprising guide wheels, the pulley block and travelling block ropes being wound on respective guide wheels.
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| CN202110736334.5A CN113464621B (en) | 2021-06-30 | 2021-06-30 | Power device based on pulley block |
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| CN202110736334.5A CN113464621B (en) | 2021-06-30 | 2021-06-30 | Power device based on pulley block |
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| CN113464621A CN113464621A (en) | 2021-10-01 |
| CN113464621B true CN113464621B (en) | 2023-07-07 |
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