CN111765223B - Light pulley rope system transmission system - Google Patents
Light pulley rope system transmission system Download PDFInfo
- Publication number
- CN111765223B CN111765223B CN202010617402.1A CN202010617402A CN111765223B CN 111765223 B CN111765223 B CN 111765223B CN 202010617402 A CN202010617402 A CN 202010617402A CN 111765223 B CN111765223 B CN 111765223B
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- CN
- China
- Prior art keywords
- pulley
- fixed
- rope
- bracket
- movable
- Prior art date
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 238000013016 damping Methods 0.000 claims description 9
- 239000004760 aramid Substances 0.000 claims 1
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- 230000003321 amplification Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Dampers (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
A light pulley rope 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 ropes are wound on guide wheels at one end of the pulley and then sequentially and alternately wound on each first movable pulley and each first fixed pulley for fixing; the second ropes are wound on the guide wheels at the other end of the pulley and then sequentially and alternately wound on the second fixed pulleys and the second movable pulleys to be fixed. The light pulley rope system transmission system provided by the application realizes stable energy transmission in the rope system and has an amplification effect of terminal multiple speed increase on the stroke of the oil cylinder.
Description
Technical Field
The application relates to the field of unmanned aerial vehicles, in particular to a light pulley rope transmission system.
Background
The unmanned aerial vehicle short-distance common rail emission recovery device takes the hydraulic oil cylinder as a main power, so that the short-distance emission and recovery functions of the unmanned aerial vehicle are integrally realized, the same oil cylinder is used for acceleration and deceleration, and the unmanned aerial vehicle short-distance common rail emission recovery device is concise in system and high in integration level. When unmanned aerial vehicle short distance common rail emission recovery unit carries out the transmission process, need promote unmanned aerial vehicle to sufficient speed in the short time, exist very big impact load, consequently need reduce energy and inertia loss that this in-process produced as far as possible, promote acceleration efficiency, also can produce the demand to system impact resistance in unmanned aerial vehicle's recovery in-process. In order to meet the function realization of the unmanned aerial vehicle short-distance common rail emission recovery device, an effective transmission system is needed, high-efficiency transmission of kinetic energy generated by an oil cylinder is realized, 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 transmission system which can realize stable transmission of system energy in a rope and form an amplifying effect of terminal multiple speed increase on the stroke of an oil cylinder.
Embodiments of the present application are implemented as follows:
the embodiment of the application provides a light pulley rope 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 two ends of the pulley respectively; one end of the first rope is connected with one end of the pulley, and the other end of the first rope is wound on a guide wheel positioned at one end of the pulley and then sequentially and alternately wound on each first movable pulley and each first fixed pulley for fixing; 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 on a guide wheel positioned at the other end of the pulley and then sequentially and alternately wound on each second fixed pulley and each second movable pulley to be fixed.
In some alternative embodiments, the movable pulley block is disposed between the first fixed pulley block and the second fixed pulley block.
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 alternative embodiments, the number of guide wheels is more than four, and two ends of the pulley are respectively provided with at least two guide wheels arranged above each other.
The beneficial effects of the application are as follows: 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 two ends of the pulley respectively, the first fixed pulley block comprises a first bracket and at least three first fixed pulleys which are rotatably arranged on the first bracket, the second fixed pulley block comprises a second bracket and at least four second fixed pulleys which are rotatably arranged on the second bracket, and the movable pulley block comprises a third bracket, at least four first movable pulleys which are rotatably arranged on the third bracket and at least four second movable pulleys which are rotatably arranged on the third bracket; one end of the first rope is connected with one end of the pulley, and the other end of the first rope is wound on a guide wheel positioned at one end of the pulley and then sequentially and alternately wound on each first movable pulley and each first fixed pulley for fixing; 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 on a guide wheel positioned at the other end of the pulley and then sequentially and alternately wound on each second fixed pulley and each second movable pulley to be fixed. The light pulley rope system transmission system provided by the application can realize stable transmission of system energy in the rope system through the matching of the rope, the movable pulley and the fixed pulley, and can form the amplification effect of terminal multiple speed increase on 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 needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a light pulley-string 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. the second fixed pulley block; 151. a second bracket; 152. a second fixed pulley; 160. a movable pulley block; 161. a third bracket; 162. a first movable pulley; 163. a second movable pulley; 170. a first linear damping spring; 180. a second linear damping spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its 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 should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," 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 application will be understood in specific cases by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The features and capabilities of the lightweight pulley-based transmission system of the present application are described in further detail below in conjunction with the examples.
As shown in fig. 1, an embodiment of the present application provides a light pulley-tethered transmission system, which includes a pulley 100 that can move 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 arranged up and down are respectively arranged 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 arranged in sequence from top to bottom.
The first fixed pulley block 140 comprises a first bracket 141 and three first fixed pulleys 142 rotatably arranged on the first bracket 141, and the three first fixed pulleys 142 are arranged at intervals in the horizontal direction; the second fixed pulley block 150 comprises a second bracket 151 and four second fixed pulleys 152 rotatably arranged on the second bracket 151, and 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, and 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 with one end of the pulley 100, and the other end is wound around two guide wheels 130 positioned 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 for fixing; one end of the second rope 120 is connected with the other end of the pulley 100, and the other end is wound on two guide wheels 130 positioned at the other end of the pulley 100 and then sequentially and alternately wound on four second fixed pulleys 152 and four second movable pulleys 163 for fixation; 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 transmission system provided by the embodiment of the application is provided with the first fixed pulley block 140 with three first fixed pulleys 142, the second fixed pulley block 150 with four second fixed pulleys 152 and the movable pulley block 160 with four first movable pulleys 162 and four second movable pulleys 163 by respectively connecting the first rope 110 and the second rope 120 at two ends of the pulley 100, wherein the first rope 110 is wound around two guide wheels 130 and then sequentially and alternately wound around the four first movable pulleys 162 and the three first fixed pulleys 142 and then fixed, the second rope 120 is wound around two guide wheels 130 and then sequentially and alternately wound around the four second fixed pulleys 152 and the four second movable pulleys 163 and then fixed, so that the 8-time speed-increasing amplification effect is realized on the end pulley 100 by the first fixed pulley block 140, the second fixed pulley block 150 and the movable pulley block 160, the expansion speed of an oil cylinder is increased to 8 times and then is transferred to the end pulley 100, the unmanned aerial vehicle is recovered by using the pulley 100 connected with a blocking rope,
in addition, the second bracket 151 and the third bracket 161 are connected through the first linear damping spring 170, the first bracket 141 and the third bracket 161 are connected through the second linear damping spring 180, so that the buffer performance between the first bracket 141 and the third bracket 161 and between the second bracket 151 and the third bracket 161 can be effectively improved, the inertia of moving parts is reduced, and the piston rod stroke of a hydraulic cylinder of a hydraulic power system is reduced by matching with the first fixed pulley block 140, the second fixed pulley block 150 and the movable pulley block 160 through multi-multiplying-power stroke amplification, the volume of the power system is reduced, the energy use efficiency of the hydraulic cylinder is improved, and the energy loss of the hydraulic cylinder during working is reduced.
The embodiments described above are some, but not all embodiments of the application. The detailed description of the embodiments of the application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Claims (6)
1. The light pulley tethered 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 two ends of the pulley respectively, the first fixed pulley block comprises a first bracket and at least three first fixed pulleys rotatably arranged on the first bracket, the second fixed pulley block comprises a second bracket and at least four second fixed pulleys rotatably arranged on the second bracket, and the movable pulley block comprises a third bracket, at least four first movable pulleys rotatably arranged on the third bracket and at least four second movable pulleys rotatably arranged on the third bracket; one end of the first rope is connected with one end of the pulley, and the other end of the first rope is wound around the guide wheel at one end of the pulley and then sequentially and alternately wound around each first movable pulley and each first fixed pulley to be 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 on the guide wheel at the other end of the pulley and then sequentially and alternately wound on each second fixed pulley and each second movable pulley for fixing.
2. The lightweight pulley-tethered transmission system of claim 1, wherein the movable pulley block is disposed between the first fixed pulley block and the second fixed pulley block.
3. The lightweight pulley-tethered transmission system of claim 1, wherein the second bracket and the third bracket are connected by a first linear dampening spring.
4. The lightweight pulley-based transmission system as in claim 1, wherein said first bracket and said third bracket are connected by a second linear damping spring.
5. The light weight pulley-tethered transmission system of claim 1, wherein the number of guide wheels is four or more, and two ends of the sled are respectively provided with at least two guide wheels arranged one above the other.
6. The lightweight pulley-based transmission system as in claim 1, wherein said first and second cords are made of aramid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617402.1A CN111765223B (en) | 2020-06-30 | 2020-06-30 | Light pulley rope system transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617402.1A CN111765223B (en) | 2020-06-30 | 2020-06-30 | Light pulley rope system transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111765223A CN111765223A (en) | 2020-10-13 |
| CN111765223B true CN111765223B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010617402.1A Active CN111765223B (en) | 2020-06-30 | 2020-06-30 | Light pulley rope system transmission system |
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| CN111765223A (en) | 2020-10-13 |
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