CN113464621A - Power device based on pulley block - Google Patents
Power device based on pulley block Download PDFInfo
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- CN113464621A CN113464621A CN202110736334.5A CN202110736334A CN113464621A CN 113464621 A CN113464621 A CN 113464621A CN 202110736334 A CN202110736334 A CN 202110736334A CN 113464621 A CN113464621 A CN 113464621A
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- pulley
- connecting rod
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- rope
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the technical field of power devices, in particular to a power device based on a pulley block. The power device based on the pulley block comprises two pulley blocks, a pulley block rope and a power conversion device which are oppositely arranged; the pulley block comprises a fixed pulley and a movable pulley, and a 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 ends of the pulley block rope and 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 in 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. By utilizing the labor-saving principle of the pulley block, the generator with high power is driven by small force to generate electricity, and the problem that the generator cannot be driven to generate electricity due to the small force output by the power output device in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of power devices, in particular to a power device based on a pulley block.
Background
At present, the development of clean energy sources becomes a development trend, such as wind power, hydroelectric power and the like, and a generator is used in the power generation process.
The principle of the existing wind power generator, hydroelectric generator and the like is to convert mechanical energy of wind, water and the like into electric energy, but the conversion efficiency is low; taking a wind power generator as an example, the wind power generator generally comprises a vertical axis wind power generator and a horizontal axis wind power generator, both of which drive an impeller to rotate through wind power and further drive a rotor of the generator to rotate through a multistage transmission mechanism to generate power, because of factors such as friction in the transmission process, the transmission efficiency of mechanical energy is low, and the requirement on the minimum level of the wind power is harsh, the wind power generator can be driven to generate power only by generally requiring the wind speed of about 3m/s, and the wind power generation cannot be realized in most regions because the wind speed requirement cannot be met.
That is, in the conventional power generation process, there is a problem 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 power device based on a pulley block, which can solve the problem that a generator cannot be driven to generate electricity because the force output by a power output device is small;
the invention provides a power device based on a pulley block, which comprises two pulley blocks, a pulley block rope and a power conversion device, wherein the two pulley blocks, the pulley block rope and the power conversion device 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 end parts of the pulley block rope and 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 in 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 orifices of second dwang and power take off's pivot fixed connection, the movable pulley rope is with the turning wheel fixed connection of second dwang.
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 sliding groove and a second sliding groove;
the first end of the first connecting rod slides with the first sliding chute, and the first end of the second connecting rod is connected with the second sliding chute in a sliding manner;
and the second end of the first connecting rod and the second end of the second connecting rod are rotatably 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 a first connecting rod and a second connecting rod of the first connecting rod assembly are respectively connected with a pulley block rope, and the second end of a third connecting rod of the first connecting rod assembly is fixedly connected with a power input device;
and the first ends of the first connecting rod and the second connecting rod 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 device comprises a plurality of pulley blocks which are sequentially overlapped;
and in the adjacent pulley blocks, the power conversion device connected with the movable pulley rope in one pulley block is a first power conversion device, the 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 ends 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 end part of the movable pulley rope are different linear directions.
Preferably, the pulley block rope and the movable pulley rope are wound on the corresponding guide wheels.
Has the advantages that:
the motion mode of the end parts of the pulley block rope and the movable pulley rope is reciprocating motion on a set linear track, the power conversion device is used for converting rotation into linear motion of the pulley block rope and converting the linear motion of the movable pulley rope into rotation, the pulley block consisting of the movable pulley and the fixed pulley is deformed by a lever, the lever is labor-saving, and the conversion between the rotation and the linear motion can be realized through the arrangement of the power conversion device, so that the pulley block can be applied to a power generation device, the labor-saving principle of the pulley block is utilized, the purpose of driving a high-power generator to generate power by using small force can be realized, and the problem that the generator cannot be driven to generate power due to the small force output by the 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 used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a power device based on a pulley block according to an embodiment of the present invention, wherein a dashed circle represents a running track of an end of a rotating rod;
fig. 2 is a schematic structural diagram of another power device based on a pulley block according to an embodiment of the present invention, wherein 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: a guide wheel.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 2, the present embodiment provides a pulley block-based power device, which includes two pulley blocks 1, a pulley block rope 2 and a power conversion device 3, which are oppositely arranged;
the pulley block 1 comprises a fixed pulley and a movable pulley, and a 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 end parts of the pulley block rope 2 and the movable pulley rope 4 are both 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 move alternately 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 ropes 4.
The motion mode of the end parts of the pulley block rope 2 and the movable pulley rope 4 is reciprocating motion on a set linear track, the power conversion device 3 is used for converting rotation into linear motion of the pulley block rope 2 and converting the linear motion of the movable pulley rope 4 into rotation, the pulley block 1 formed by the movable pulley and the fixed pulley block 1 is deformation of a lever, the lever is labor-saving, and the conversion between the rotation and the linear motion can be realized through the arrangement of the power conversion device 3, so that in a power generation device applied to the pulley block 1, the power generation of a high-power generator driven by small force can be realized 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 the small force output by a power output device of the power generation device in the prior art is solved.
It should be noted that, in the present embodiment, the power device based on the pulley block may be used to drive other machines to rotate besides driving the generator to generate electricity, and mainly uses the force-saving principle of the pulley block to drive a device with larger power to operate 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 hydraulic power generation device and the like, namely 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, a structural form of the power conversion device 3 is provided, specifically as follows:
the power conversion device 3 includes a rotating lever, one end of which is provided with a fixing hole and the other end of which is provided with a rotating wheel.
Wherein, the one end that the dwang has the fixed orifices sets up the rigidity, and it is the axis of rotation of dwang, and the dwang revolutes the axis of rotation, and the dwang has the one end of rotating the wheel and moves along a circular orbit.
Pulley block rope 2 and movable pulley rope 4 are fixed on rotating the wheel, rotate the wheel and rotate with the dwang and be connected, set up the purpose of rotating the wheel on the dwang, the dwang can stimulate pulley block rope 2 and remove along setting for the orbit in rotating the process, but pulley block rope 2 can not twine on the dwang, corresponding movable pulley rope 4 stimulates the dwang and rotates, movable pulley rope 4 sets up on rotating the wheel, can prevent that movable pulley rope 4 from twining on the dwang.
Specifically, the rotating rod connected to the power input device is a first rotating rod, and the rotating rod connected to the power output device is a second rotating rod.
The fixing 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 setting up two assembly pulley 1 is, in the rotation period of a first dwang or second dwang, the motion trail of assembly pulley rope 2 is stretched gradually, then contracts gradually, and the movable pulley rope that corresponds in this process is including being stretched gradually, and at the in-process that movable pulley rope 4 was by the stay cord, movable pulley rope 4 can stimulate the second dwang and rotate, if only set up an assembly pulley 1, assembly pulley rope 2 contracts the in-process, and it can not stimulate the dwang and rotate. Therefore, two pulley blocks 1 need to be arranged, and the two pulley blocks 1 are alternately pulled to form the second rotating rod, so that the second rotating rod can be pulled to rotate circumferentially.
It should be noted that the retraction of the pulley block rope 2 is realized under the gravity of the movable pulley. Therefore, the pulley block 1 is vertically placed.
In this embodiment, the link assembly includes a first link, a second link, a third link, a first runner, and a second runner.
The first end of the first connecting rod slides with the first sliding groove, and the first end of the second connecting rod is connected with the second sliding groove in a sliding mode.
The second end of the first connecting rod and the second end of the second connecting rod are both rotatably 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 component are respectively connected with a pulley block rope 2, and the second end of the third connecting rod of the first connecting rod component 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 rotating process of the third connecting rod, the third connecting rod can drive the first end of the first connecting rod to slide along the first sliding groove in a reciprocating mode, and the first end of the second connecting rod slides along the second sliding groove in a reciprocating mode.
The first ends of the first connecting rod and the second connecting rod of the second connecting rod assembly 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 opposite to that of the first connecting rod assembly, and finally, the third rod of the second connecting rod assembly drives the power output device to rotate.
It should be noted that the two types of power conversion devices 3 provided in the present embodiment are only preferred embodiments of the present embodiment, and it is needless to say that other devices capable of converting linear motion of the rope into rotational motion and converting rotational motion into linear motion of the rope are not used as the power conversion devices 3.
The power device based on the pulley block comprises a plurality of pulley blocks 1 which are sequentially overlapped.
In the adjacent pulley blocks 1, the power conversion device 3 connected with the movable pulley rope 4 in one pulley block 1 is a first power conversion device 3, the power conversion device 3 connected with the 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 realization through the work of a less power drive generator.
The ends of the two pulley block ropes 2 reciprocate in the same linear direction, and the two movable pulley ropes 4 reciprocate in the same linear direction.
The linear directions of the ends of the pulley block rope 2 and the movable pulley rope 4 are different.
The power plant based on pulley blocks further comprises guide wheels 5, and the pulley block ropes 2 and the movable pulley ropes 4 are wound on the corresponding guide wheels 5. The arrangement of the guide wheels 5 enables the directions of the pulley block rope 2 and the movable pulley rope 4 to be limited, and the two can be ensured to run in a straight direction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A power device based on a pulley block is characterized by comprising two pulley blocks, a pulley block rope 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 end parts of the pulley block rope and 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 in 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.
2. The pulley-block based power plant of claim 1, wherein the power conversion device connected to the pulley-block cord is a first power conversion device, and the power conversion device connected to the movable pulley cord 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.
3. The pulley-block based power plant of claim 2, wherein said power input device is an engine and said power output device is a generator.
4. The pulley-block based power device of claim 2, wherein the power conversion device comprises a rotating rod, one end of which is provided with a fixing hole and the other end is provided with a rotating wheel.
5. The pulley-block based power plant according to claim 4,
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 orifices of second dwang and power take off's pivot fixed connection, the movable pulley rope is with the turning wheel fixed connection of second dwang.
6. The pulley-block based power plant of claim 2, wherein said power conversion device is a linkage assembly;
the connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod, a first sliding groove and a second sliding groove;
the first end of the first connecting rod slides with the first sliding chute, and the first end of the second connecting rod is connected with the second sliding chute in a sliding manner;
and the second end of the first connecting rod and the second end of the second connecting rod are rotatably connected with the first end of the third connecting rod.
7. The pulley-block based power plant of claim 6,
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 a first connecting rod and a second connecting rod of the first connecting rod assembly are respectively connected with a pulley block rope, and the second end of a third connecting rod of the first connecting rod assembly is fixedly connected with a power input device;
and the first ends of the first connecting rod and the second connecting rod 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.
8. The pulley-block based power plant according to claim 1, comprising a plurality of sequentially superimposed pulley blocks;
and in the adjacent pulley blocks, the power conversion device connected with the movable pulley rope in one pulley block is a first power conversion device, the 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.
9. The pulley-block based power plant of claim 1, wherein the ends of both pulley-block ropes reciprocate in the same linear direction, and both movable pulley ropes reciprocate in the same linear direction;
the linear directions of the pulley block rope and the end part of the movable pulley rope are different linear directions.
10. The pulley-block based power plant of claim 9, further comprising guide wheels, the pulley block rope and the traveling block rope being wound around the 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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