CN111765223A - Light pulley rope system transmission system - Google Patents
Light pulley rope system transmission system Download PDFInfo
- Publication number
- CN111765223A CN111765223A CN202010617402.1A CN202010617402A CN111765223A CN 111765223 A CN111765223 A CN 111765223A CN 202010617402 A CN202010617402 A CN 202010617402A CN 111765223 A CN111765223 A CN 111765223A
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- Prior art keywords
- pulley
- rope
- fixed
- movable
- pulleys
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 238000013016 damping Methods 0.000 claims description 10
- 239000004760 aramid Substances 0.000 claims 1
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- 230000001133 acceleration Effects 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Images
Classifications
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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
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/001—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion
- F16H19/003—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion comprising a flexible member
- F16H19/006—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion comprising a flexible member for converting reciprocating into an other reciprocating motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Ground or aircraft-carrier-deck installations for launching aircraft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Vibration Dampers (AREA)
Abstract
A light pulley rope system transmission system relates to the field of unmanned aerial vehicles. The light pulley rope system transmission system comprises a pulley, a first rope and a second rope which are respectively connected with two ends of the pulley, at least two guide wheels arranged at two ends of the pulley, a first fixed pulley block, a second fixed pulley block and a movable pulley block, wherein the first fixed pulley block comprises at least three first fixed pulleys, the second fixed pulley block comprises at least four second fixed pulleys, and the movable pulley block comprises at least four first movable pulleys and at least four second movable pulleys; the first rope is wound on the guide wheel at one end of the pulley and then sequentially and alternately wound on each first movable pulley and each first fixed pulley and then fixed; the second rope is wound on the guide wheel at the other end of the pulley and then is sequentially and alternately wound on each second fixed pulley and each second movable pulley and then is fixed. The light pulley rope system transmission system provided by the application realizes the stable transmission of energy in the rope system, and forms the amplification effect of multiple acceleration at the tail end of the stroke of the oil cylinder.
Description
Technical Field
The application relates to the field of unmanned aerial vehicles, particularly, relates to a light pulley tether transmission system.
Background
The short-distance common rail launching and recycling device of the unmanned aerial vehicle takes the hydraulic oil cylinder as main power, so that the short-distance launching and recycling functions of the unmanned aerial vehicle are integrally realized, the same oil cylinder is used for acceleration and deceleration, the system is simple, and the integration level is high. When unmanned aerial vehicle short distance common rail transmission recovery unit carries out the launching process, need promote unmanned aerial vehicle to sufficient speed in the short time, have very big impact load, consequently need reduce energy and the inertia loss that this in-process produced as far as possible, promote efficiency with higher speed, also can produce the demand to system impact resistance in unmanned aerial vehicle's recovery process equally. In order to meet the function realization of the short-distance common rail emission recovery device of the unmanned aerial vehicle, an effective transmission system is needed, the kinetic energy generated by the oil cylinder is transmitted with high efficiency, and the amplification effect on the stroke of the oil cylinder is realized.
Disclosure of Invention
The application aims to provide a light pulley rope system transmission system which can realize the stable transmission of system energy in a rope system and has the amplification effect of end multiple acceleration on the stroke of an oil cylinder.
The embodiment of the application is realized as follows:
the embodiment of the application provides a light pulley rope system transmission system, which comprises a pulley, a first rope, a second rope, at least two rotatable guide wheels, a first fixed pulley block, a second fixed pulley block and a movable pulley block, wherein at least one guide wheel is arranged at each of two ends of the pulley; one end of the first rope is connected with one end of the pulley, and the other end of the first rope is wound behind the guide wheel positioned at one end of the pulley and is sequentially and alternately wound behind each first movable pulley and each first fixed pulley and fixed; one end of the second rope is connected with the other end of the pulley, and the other end of the second rope is fixed after being wound on the guide wheel positioned at the other end of the pulley and sequentially and alternately wound on each second fixed pulley and each second movable pulley.
In some alternative embodiments, the movable pulley block is disposed between the first and second fixed pulley blocks.
In some alternative embodiments, the second bracket and the third bracket are connected by a first linear damping spring.
In some alternative embodiments, the first bracket and the third bracket are connected by a second linear damping spring.
In some optional embodiments, the number of the guide wheels is more than four, and at least two guide wheels arranged up and down are respectively arranged at two ends of the pulley.
The beneficial effect of this application is: the light pulley rope system transmission system provided by the embodiment comprises a pulley, a first rope, a second rope, at least two rotatable guide wheels, a first fixed pulley block, a second fixed pulley block and a movable pulley block, wherein at least one guide wheel is arranged at each of two ends of the pulley; one end of the first rope is connected with one end of the pulley, and the other end of the first rope is wound behind the guide wheel positioned at one end of the pulley and is sequentially and alternately wound behind each first movable pulley and each first fixed pulley and fixed; one end of the second rope is connected with the other end of the pulley, and the other end of the second rope is fixed after being wound on the guide wheel positioned at the other end of the pulley and sequentially and alternately wound on each second fixed pulley and each second movable pulley. The light pulley rope system transmission system provided by the application can realize the stable transmission of system energy in the rope system through the matching of the rope, the movable pulley and the fixed pulley, and forms the amplification effect of the tail end multiple acceleration to the stroke of the oil cylinder.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a light pulley roping transmission system according to an embodiment of the present application.
In the figure: 100. a pulley; 110. a first rope; 120. a second rope; 130. a guide wheel; 140. a first fixed pulley block; 141. a first bracket; 142. a first fixed pulley; 150. a second fixed pulley block; 151. a second bracket; 152. a second fixed pulley; 160. a movable pulley block; 161. a third support; 162. a first movable pulley; 163. a second movable pulley; 170. a first linear damping spring; 180. a second linear damping spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The features and performance of the light pulley roping transmission of the present application are described in further detail below in connection with the examples.
As shown in fig. 1, the present embodiment provides a light pulley rope system transmission system, which includes a pulley 100 movable in a length direction, a first rope 110 and a second rope 120 made of aramid fiber, four rotatable guide wheels 130, a first fixed pulley block 140, a second fixed pulley block 150, and a movable pulley block 160, wherein two guide wheels 130 are respectively disposed at two ends of the pulley 100; the pulley 100, the first fixed pulley block 140, the movable pulley block 160 and the second fixed pulley block 150 are sequentially arranged from top to bottom.
The first fixed pulley group 140 includes a first bracket 141 and three first fixed pulleys 142 rotatably disposed on the first bracket 141, and the three first fixed pulleys 142 are arranged at intervals in the horizontal direction; the second fixed pulley group 150 comprises a second bracket 151 and four second fixed pulleys 152 rotatably arranged on the second bracket 151, wherein the four second fixed pulleys 152 are arranged at intervals in the horizontal direction; the movable pulley block 160 comprises a third bracket 161, four first movable pulleys 162 rotatably arranged on the third bracket 161 and four second movable pulleys 163 rotatably arranged on the third bracket 161, wherein the four first movable pulleys 162 and the four second movable pulleys 163 are respectively arranged at intervals along the horizontal direction; one end of the first rope 110 is connected to one end of the pulley 100, and the other end is wound around two guide pulleys 130 at one end of the pulley 100, and then sequentially and alternately wound around four first movable pulleys 162 and three first fixed pulleys 142 and then fixed; one end of the second rope 120 is connected to the other end of the pulley 100, and the other end is wound around two guide pulleys 130 at the other end of the pulley 100, and then sequentially and alternately wound around four second fixed pulleys 152 and four second movable pulleys 163 and fixed; the second bracket 151 and the third bracket 161 are connected by a first linear damping spring 170; the first bracket 141 and the third bracket 161 are connected by a second linear damping spring 180.
The light pulley rope system transmission system provided by the embodiment of the application is characterized in that a first rope 110 and a second rope 120 are respectively connected to two ends of a pulley 100, and a first fixed pulley block 140 with three first fixed pulleys 142, a second fixed pulley block 150 with four second fixed pulleys 152 and a movable pulley block 160 with four first movable pulleys 162 and four second movable pulleys 163 are arranged on the two ends of the pulley 100, the first rope 110 is wound on two guide wheels 130 and then sequentially and alternately wound on the four first movable pulleys 162 and the three first fixed pulleys 142 and then fixed, the second rope 120 is wound on the two guide wheels 130 and then sequentially and alternately wound on the four second fixed pulleys 152 and the four second movable pulleys 163 and fixed, so that the expansion rate of an oil cylinder is increased to 8 times and then transmitted to the pulley 100 at the tail end through the cooperation of the first fixed pulley block 140, the second fixed pulley block 150 and the movable pulley block 160, so that the unmanned aerial vehicle is recovered by using the trolley 100 connected with the arresting cable,
in addition, the second support 151 is connected with the third support 161 through the first linear damping spring 170, and the first support 141 is connected with the third support 161 through the second linear damping spring 180, so that the buffering performance between the first support 141 and the third support 161 and between the second support 151 and the third support 161 can be effectively improved, and the inertia of moving parts can be reduced, and therefore the stroke of a piston rod of a hydraulic oil cylinder of a hydraulic power system is reduced through multiple strokes by matching with the first fixed pulley block 140, the second fixed pulley block 150 and the movable pulley block 160, the size of the power system is reduced, the energy use efficiency of the hydraulic oil cylinder is improved, and the energy loss of the hydraulic oil cylinder during working is reduced.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
Claims (6)
1. A light pulley rope system transmission system is characterized by comprising a pulley, a first rope, a second rope, at least two rotatable guide wheels, a first fixed pulley block, a second fixed pulley block and a movable pulley block, wherein at least one guide wheel is arranged at each of two ends of the pulley; one end of the first rope is connected with one end of the pulley, and the other end of the first rope is wound behind the guide wheel positioned at one end of the pulley and is sequentially and alternately wound behind each first movable pulley and each first fixed pulley and then fixed; one end of the second rope is connected with the other end of the pulley, and the other end of the second rope is wound behind the guide wheel positioned at the other end of the pulley and sequentially and alternately wound behind the second fixed pulleys and the second movable pulleys for fixation.
2. The light-weight pulley roping transmission system of claim 1, wherein the set of movable pulleys is disposed between the first set of fixed pulleys and the second set of fixed pulleys.
3. The light-weight pulley roping transmission system of claim 1, wherein the second bracket and the third bracket are connected by a first linear damping spring.
4. The light-weight pulley roping transmission system of claim 1, wherein the first bracket and the third bracket are connected by a second linear damping spring.
5. The light-weight pulley roping transmission system of claim 1, wherein the number of the guide pulleys is four or more, and at least two guide pulleys are disposed one above the other at each end of the pulley.
6. The light-weight pulley roping transmission system of claim 1, wherein the first and second ropes are made of aramid.
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CN202010617402.1A CN111765223B (en) | 2020-06-30 | 2020-06-30 | Light pulley rope system transmission system |
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CN202010617402.1A CN111765223B (en) | 2020-06-30 | 2020-06-30 | Light pulley rope system transmission system |
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CN111765223B CN111765223B (en) | 2023-08-15 |
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