CN110529571A - Transmission belt tension equipment and its application - Google Patents

Transmission belt tension equipment and its application Download PDF

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Publication number
CN110529571A
CN110529571A CN201810506193.6A CN201810506193A CN110529571A CN 110529571 A CN110529571 A CN 110529571A CN 201810506193 A CN201810506193 A CN 201810506193A CN 110529571 A CN110529571 A CN 110529571A
Authority
CN
China
Prior art keywords
tensioning
transmission belt
tensioner arm
belt tension
tension equipment
Prior art date
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.)
Pending
Application number
CN201810506193.6A
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Chinese (zh)
Inventor
温森佐·马洽如
蒋春雷
陈建强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO FENGMAO FAR-EAST RUBBER Co Ltd
Original Assignee
NINGBO FENGMAO FAR-EAST RUBBER Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO FENGMAO FAR-EAST RUBBER Co Ltd filed Critical NINGBO FENGMAO FAR-EAST RUBBER Co Ltd
Priority to CN201810506193.6A priority Critical patent/CN110529571A/en
Publication of CN110529571A publication Critical patent/CN110529571A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/08Means for varying tension of belts, ropes, or chains
    • F16H7/10Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley

Abstract

The present invention discloses a transmission belt tension equipment and its application, wherein the transmission belt tension equipment includes a tensioning ontology, two tensioning wheels and a balanced structure, wherein the balanced structure includes two interconnecting pieces, wherein the balanced structure is arranged at the tensioning ontology, one of them described tensioning wheel is arranged on the interconnecting piece, another described tensioning wheel is arranged on another interconnecting piece, and form an equilibrium state, when one of them described tensioning wheel is driven, the balanced structure drives another described tensioning wheel that can lingeringly slide, to reach another equilibrium state.

Description

Transmission belt tension equipment and its application
Technical field
The present invention relates to a belt drive system field more particularly to a transmission belt tension equipment and its applications.
Background technique
Drive or be driven by electricity vehicle as engine using internal combustion engine, usually using a transmission belt transmission system by power from The crankshaft of engine is transmitted to each auxiliary device of engine, and wherein auxiliary device mainly has steering pump, liquid pump, air compressor And fuel pump etc., wherein each auxiliary device is equipped with a belt pulley, all belt pulleys can pass through an at least transmission belt It is connected serially to the crankshaft pulley of engine, can make by transmission belt each when the crankshaft pulley of engine is driven Auxiliary device is worked normally by driving.In order to allow transmission belt to be in tensioning state, it usually needs use transmission belt tension equipment So that transmission belt is kept tension appropriate, cross between Song Eryu belt wheel and skid to avoid transmission belt, wherein transmission belt, belt pulley and Transmission belt tension equipment constitutes a belt drive system.
Such as the belt drive system of hybrid vehicle, belt drive system includes a crankshaft band Wheel, starting motor/generator belt wheel, one are filled by driving attachment wheel (such as air conditioner compressor belt pulley), a transmission belt and a tensioning It sets, crankshaft pulley, dynamic motor/generator belt wheel are connected by the transmission belt respectively by driving attachment wheel, and wherein tensioning apparatus has There are two swingable tensioning wheel, two of them tensioning wheel is arranged at the circular direction of transmission belt, and two tensioning wheels are used respectively First part and second part in tensioning drive pulley, wherein first part refers to the contact between crankshaft pulley and transmission belt Point is to the part transmission belt between the contact point between starting electrical machine belt pulley and transmission belt, and wherein second part refers to starting Between contact point between the belt wheel and transmission belt of contact point and another auxiliary device between electrical machine belt pulley and transmission belt Section transmission band, two of them tensioning wheel is by extending the first part of transmission belt and the length of second part, to make to be driven Band is in tensioning state, and entire tensioning apparatus can be such to set along an axis oscillating parallel around crankshaft pulley rotation axis Meter is so that must be provided with a flange shell, for supporting tensioning apparatus and putting on flange shell for tensioning apparatus on tensioning apparatus It is dynamic, as recorded in patent DE19926615A1 (being published on December 14th, 2000).
A tensioning apparatus is also illustrated in patent US7530911B2 (being published on May 1st, 2009), the wherein tensioning Device includes that two tensioning wheels and one can drive a spring of two tensioning wheels movement, and a tensioning wheel is compressed by driving wherein While transmission belt, another tensioning wheel can move along a straight line in the same direction, since two of them tensioning wheel is by same root Spring driving, so that two tensioning wheel synchronizing movings, and if the rate of tensioning and the relaxation of transmission belt and two tensionings When the rate travel difference of wheel, it is likely that it is excessive or too small to will appear transmission belt stress, it, will certainly if transmission belt stress is excessive Lead to the lost of life of transmission belt, if transmission belt stress is too small, skids.In addition, the volume of engine is gradually small-sized Change, and two tensioning wheels in the tensioning apparatus move in a manner of linear motion, will lead to tensioning apparatus in this way and are opening Size in the bearing up pulley direction of motion increases, so that the size that will lead to engine entirety increases.
Summary of the invention
It is an object of the present invention to provide a transmission belt tension equipment and its applications, wherein transmission belt tensioning is set It is standby to be installed in an engine, for the transmission belt being tensioned in the engine in a belt drive system, wherein the transmission Band tension equipment small volume, so that the hair can be made after the transmission belt tension equipment is installed in the engine Motivation volume reduces.
It is another object of the present invention to provide a transmission belt tension equipment and its applications, wherein the transmission belt is tensioned Equipment can be installed in the belt drive system of a hybrid power engine, wherein being set by transmission belt tensioning It is standby, so can the hybrid power engine a generator mode and one starting motor mode under convert mutually conversion when, The transmission belt in the belt drive system can be made to keep tension appropriate.
It is another object of the present invention to provide a transmission belt tension equipment and its applications, wherein the transmission belt is tensioned Equipment can be installed in the belt drive system of the hybrid power engine, wherein being tensioned by the transmission belt Equipment, and then can convert under the generator mode and the starting motor mode in the hybrid power engine and mutually turn When changing, two tensioning wheels in the transmission belt tension equipment are kept in contact with the transmission belt respectively, so as to avoid State drive belt slip.
It is another object of the present invention to provide a transmission belt tension equipment and its applications, wherein the transmission belt is tensioned Equipment includes two tensioning wheels, and tensioning wheel described in two of them may be placed in belt drive system described in the engine Transmission belt circular direction, and camber line slide by way of be tensioned the transmission belt.
It is another object of the present invention to provide a transmission belt tension equipment and its applications, wherein the transmission belt is tensioned Two tensioning wheels of equipment can be tensioned the transmission during being tensioned the transmission belt in a manner of non-concurrent sliding Band, to make the transmission belt keep tensile force appropriate during being tensioned the transmission belt.
It is another object of the present invention to provide a transmission belt tension equipment and its applications, wherein the transmission belt is tensioned Equipment can generate on-rectilinear movement in a manner of non-concurrent sliding, to make the transmission belt not only by the tensioning wheel Normal pressure also can make the transmission belt be driven the component on direction, and then be able to maintain the normal fortune of the transmission belt It is dynamic.
It is another object of the present invention to provide a transmission belt tension equipment and its applications, wherein the transmission belt is tensioned Equipment includes that a balanced structure of dynamic adjustment enables two tensioning wheels successively with arc by the balanced structure The mode of line sliding is tensioned the transmission belt.
It is another object of the present invention to provide a transmission belt tension equipment and its application, tensioning wheel described in two of them It is connected to the both ends of the balanced structure respectively, wherein the balanced structure can will be described in two tensioning wheels one Power suffered by tensioning wheel is slowly transferred to another tensioning wheel, can lingeringly drive another tensioning slipping.
At least one above purpose, the present invention provide a transmission belt tension equipment to realize the present invention comprising:
One tensioning ontology;
Two tensioning wheels;And
One balanced structure, wherein the balanced structure includes two interconnecting pieces, wherein the balanced structure is arranged at institute Tensioning ontology is stated, one of them described tensioning wheel is arranged on the interconnecting piece, another described tensioning wheel is arranged on Another described interconnecting piece, and an equilibrium state is formed, when one of them described tensioning wheel is driven, the balanced structure is driven Another described tensioning wheel can be slided lingeringly, to reach another equilibrium state.
An embodiment according to the present invention, wherein the balanced structure includes:
Two tensioner arms, wherein each tensioner arm includes close to an outer end of the tensioning wheel and relative to described One inner end of outer end, the outer end of two tensioner arms form two ends, are tensioned described in two of them Arm is slidably disposed in the tensioning ontology;With
One buffer unit, wherein the buffer unit is slidably disposed in the tensioning ontology, and the buffering Device is located between the inner end of two tensioner arms, wherein being fixed in the tensioning wheel of the tensioner arm When being driven, the buffer unit pushes another described tensioner arm that can lingeringly slide.
An embodiment according to the present invention, wherein each tensioner arm includes a tensioning arm body, wherein the tensioner arm Main body connects the inner end and the outer end, wherein the tensioner arm main body includes an outer end of the close tensioning wheel, And the tensioning arm body has a upper surface, wherein each tensioning arm body is prolonged along the outer end from the upper surface It stretches to form the outer end.
An embodiment according to the present invention, wherein each tensioner arm includes a blocking portion, wherein each tensioner arm The outer end of main body longitudinally extends to form the blocking portion along the vertical section direction of the tensioning arm body, wherein the resistance The area of the vertical section of stopper is greater than the vertical section area of the tensioning arm body.
An embodiment according to the present invention, wherein each tensioning arm body includes the inner end relative to the outer end, Wherein the inner end of each tensioning arm body extends shape along the vertical section longitudinal extension of the tensioning arm body At the inner end, wherein the area of the inner end vertical section is greater than the vertical section face of the tensioning arm body Product.
An embodiment according to the present invention, wherein the tensioner arm further includes a guide vane, wherein the tensioner arm main body The inner end is laterally extended to form the guide vane along the vertical section direction of the tensioning arm body.
An embodiment according to the present invention, wherein the tensioner arm includes a limiting section, wherein the institute of the tensioner arm main body It states inner end and integrally extends to form the limiting section along the tensioning arm body, wherein the area of the vertical section of the limiting section is small In the vertical section area of the tensioning arm body.
An embodiment according to the present invention, wherein the buffer unit includes:
An at least elastomeric element, wherein the elastomeric element is arranged at the tensioning ontology, and positioned at described in two Between the inner end of tight arm;With
Two damping sleeves, wherein each damping sleeve be arranged at each tensioner arm and it is described tensioning ontology it Between, wherein damping is generated on the outside of the damping sleeve between the tensioning ontology when any one of tensioner arm slides.
An embodiment according to the present invention, wherein each damping sleeve is integrally provided to each tensioner arm.
An embodiment according to the present invention, wherein the buffer unit includes:
One movable part, wherein the movable part is slidably disposed in the tensioning ontology;With
Two elastomeric elements, wherein one end of each elastomeric element is pressed to the another inner end of each tensioner arm Between portion end and the side of the movable part, and each elastomeric element is telescopically arranged in the tensioning originally Body.
An embodiment according to the present invention, wherein the balanced structure further includes a retarding means, wherein the movable part Part is connected to the retarding means, wherein when the tensioning wheel for being fixed in the tensioner arm is driven, it is described to prolong Buffering apparatus acts on the movable part, to delay the tensioning slipping for being fixed in another tensioner arm.
An embodiment according to the present invention, wherein the retarding means is implemented as a hydraulic device.
An embodiment according to the present invention, wherein the buffer unit includes at least two damping sleeves, wherein each resistance Buddhist nun's set is arranged at each tensioner arm, and the damping sleeve is located between the tensioner arm and the tensioning ontology, In the sliding of any one of tensioner arm when, generate on the outside of the damping sleeve and damp between the tensioning ontology.
An embodiment according to the present invention, wherein the movable part includes:
One article body, there are two sides for the article body tool, and respectively first, which compresses face and one second, compresses face, In an elastomeric element be pressed to described first and compress between face and the inner end of a tensioner arm, wherein separately One elastomeric element is pressed to described second and compresses between face and the inner end of a tensioner arm;With
Two sliding closures respectively compress one first sliding that face extends along the article body side close to described first The wing and close described second compresses one second sliding closure that face extends along the side of the article body, wherein described two described Sliding closure is respectively slidably set to the tensioning ontology.
An embodiment according to the present invention damps described in two of them wherein the buffer unit further includes two damping pieces Part is respectively set at the sliding closure, and when movable part sliding, each damping piece and the tensioning are originally Damping is generated between body.
An embodiment according to the present invention, tensioner arm described in two of them are symmetrically disposed on the tensioning ontology.
An embodiment according to the present invention, wherein each tensioning wheel has a maximum sliding position and a minimum slip position It sets, when one of them described tensioning wheel is in the maximum position, another described tensioning wheel is in the minimum slip position, wherein Any position of each tensioning wheel between the minimum slip position and the maximum sliding position is in the balance State.
An embodiment according to the present invention, wherein the tensioning ontology includes two locating parts, wherein each locating part It is arranged at the sliding path of each tensioner arm, when the transmission belt tension equipment is in the equilibrium state, and one When the blocking portion of the tensioner arm is stopped by the locating part, the tensioning wheel for being set to another is in the minimum Sliding position.
At least one above purpose, the present invention provide a transmission belt tension equipment to realize the present invention comprising:
One tensioning ontology, wherein the tensioning ontology one cambered way of formation, tensioner arm described in two of them is respectively by can It is slidingly arranged at the cambered way;
Two tensioning wheels;And
One balanced structure, wherein the balanced structure includes a first end and a second end, wherein the balance is tied Structure is arranged at the tensioning ontology, and tensioning wheel described in two of them is rotatablely arranged at the institute of the balanced structure respectively First end and the second end are stated, and forms an equilibrium state, when one of them described tensioning wheel is driven, the balance Structure is slided in a manner of arc sliding along the cambered way, to reach another equilibrium state.
An embodiment according to the present invention, tensioner arm described in two of them is symmetrically disposed on the tensioning ontology.
An embodiment according to the present invention, wherein the cross-sectional shape of each tensioner arm is arranged to and the arc The arc of slideway cooperation
At least one above purpose to realize the present invention, the present invention provides belt drive system, wherein the transmission belt Drive system includes:
One crankshaft pulley;
One electrical machine belt pulley;
One by driving attachment wheel;
One transmission belt, wherein the crankshaft pulley, the electrical machine belt pulley and described described respectively by driving attachment wheel Transmission series connection;And
According to the above-mentioned transmission belt tension equipment, wherein two tensioning wheels of the transmission belt tension equipment It is located at the circular direction of the transmission belt, and is converted under different equilibrium state, to be tensioned the transmission belt.
At least one above purpose, the present invention provide the working method of a transmission belt tension equipment to realize the present invention, Described in method the following steps are included:
Two tensioning wheels are respectively set in two interconnecting pieces of a balanced structure, and by one of them tensioning Wheel is set to a circular direction with section of a transmission belt, another described tensioning wheel is set to the another of the transmission belt A circular direction with section;With
When the tensioning wheel surrounding on direction positioned at the band section of tensioning is driven, the balanced structure pushes another A tensioning wheel can be slided lingeringly, to guarantee that another described band section keeps tensioning state.
Detailed description of the invention
Fig. 1 shows the overall structure diagram of a transmission belt tension equipment of one embodiment of the invention.
Fig. 2 shows the disassembly schematic diagrames of a transmission belt tension equipment part-structure of one embodiment of the invention.
Fig. 3 shows the schematic diagram of the part-structure of a transmission belt tension equipment of one embodiment of the invention.
Fig. 4 A and Fig. 4 B respectively illustrate a transmission belt tension equipment of one embodiment of the invention along the direction A-A and B-B Cross-sectional view.
Fig. 5 A and Fig. 5 B respectively illustrate two tensioner arms in a transmission belt tension equipment of one embodiment of the invention Structural schematic diagram.
Fig. 6 shows an angle of the movable part in a transmission belt tension equipment of one embodiment of the invention Structural schematic diagram.
Fig. 7 A shows another angle of the movable part in a transmission belt tension equipment of one embodiment of the invention The structural schematic diagram of degree.
Fig. 7 B shows the cross-sectional view of the transmission belt tension equipment along the direction C-C of one embodiment of the invention.
Fig. 8 shows the disassembly signal of the movable part in a transmission belt tension equipment of one embodiment of the invention Figure.
Fig. 9 shows the overall structure diagram of a transmission belt tension equipment of a variant embodiment of the invention.
Figure 10 shows the disassembly schematic diagram of a transmission belt tension equipment part-structure of a variant embodiment of the invention
Figure 11 shows one of the movable part in a transmission belt tension equipment of a variant embodiment of the invention The structural schematic diagram of angle.
Figure 12 A shows the another of the movable part in a transmission belt tension equipment of a variant embodiment of the invention The structural schematic diagram of a angle.
Figure 12 B shows cross-sectional view of the transmission belt tension equipment along the direction C-C of a variant embodiment of the invention.
Figure 13 shows the disassembly of the movable part in a transmission belt tension equipment of a variant embodiment of the invention Schematic diagram.
Figure 14 shows the partial structure diagram of a transmission belt tension equipment of second embodiment of the invention.
Figure 15 A, Figure 15 B and Figure 15 C respectively illustrate a transmission belt tension equipment of the invention and are applied to belt drive Dynamic schematic diagram of the system under different equilibrium state.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper", The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned art Language is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no It can be interpreted as the limitation to quantity, in addition, "front", "rear" refers to the successive of time in some places in the present invention, certainly Side refers to the successive of logic, and the present invention is not limited by this respect.
It, will be detailed below according to a transmission belt tension equipment 200 of a preferred embodiment of the present invention referring to figs. 1 to Figure 13 It illustrates, wherein the transmission belt tension equipment 200 can be installed in a belt drive system 700 of a car engine, supplies It is tensioned a transmission belt 701 of the belt drive system 700, to guarantee that stablizing for the engine power transmits.
The engine can be internal combustion engine, be also possible to the engine of hybrid power, and the present invention is not limited by this respect, be Make skilled artisans appreciate that the present invention, in following example of the present invention, is only implemented as with the engine described mixed It is illustrated for the engine of conjunction power.As shown in Figure 15 A to Figure 15 C, the belt drive system 700 includes a transmission belt 701, a crankshaft pulley 702, an electrical machine belt pulley 703 and one are by driving attachment wheel 704.It will be appreciated by those skilled in the art that That the engine may include multiple by driving attachment, in other words, it is described can be by driving attachment wheel 704 it is multiple, and this In example, only by it is described be implemented as one by driving attachment wheel for be illustrated, further it will be understood that if this If inventing the transmission belt tension equipment 200 to be used in internal combustion engine, the electrical machine belt pulley 703 can be other driven Attachment wheel, that is to say, that the field that transmission belt tension equipment 200 of the present invention is applied not is limitation of the present invention, in addition, The belt drive system 700 further comprises transmission belt tension equipment 200 of the present invention, for being tensioned the transmission belt 701。
It is noted that in the present invention, the engine includes an engine ontology and the belt drive system 700.For make skilled artisans appreciate that the present invention, in the present invention will be described in the belt drive system 700 The position that the position that transmission belt 701 is contacted with the crankshaft pulley 702 is contacted to the electrical machine belt pulley 703 with the transmission belt 701 The transmission belt 701 between setting is defined as a first band section 701a, and the electrical machine belt pulley 703 and the transmission belt 701 are connect The position of touching is defined as one second band section to the transmission belt 701 contacted by driving attachment wheel with the transmission belt 701 701b。
Specifically, the transmission belt tension equipment 200 includes tensioning 10, two tensioning wheels 20 of ontology and a balance knot Structure 30, wherein the balanced structure 30 includes two interconnecting pieces, tensioning wheel 20 described in two of them is connected to two institutes respectively State interconnecting piece, wherein the balanced structure 30 is arranged at the tensioning ontology 10, tensioning wheel 20 described in two of them respectively by Two ends of the balanced structure 30 are rotatablely arranged at, and form an equilibrium state, wherein the transmission belt After clamping apparatus 200 is arranged at the belt drive system 700, two tensioning wheels 20 are located at the first band Circular direction of the section 701a and described second with section 701b, wherein as the first band section 701a and the second band section 701b In any one when being in tensioning state, another is in relaxed state simultaneously, at this time due to being located at the first band section 701a And described second two tensioning wheels 20 with section 701b be able to keep pressure appropriate between the transmission belt 701 Power, so as to make the first band section 701a and the second band section 701b not to skid during operation.
It is noted that the balanced structure 30 in transmission belt tension equipment described in through the invention 200, into And the first band section 701a and the second band section 701b of the transmission belt 701 can be made in the tensioning state and described It, always can be by the pressure of two tensioning wheels 20, so as to avoid the transmission belt when being converted between relaxed state 701 skid due to 200 Asynchrony of transmission belt tension equipment.
Such as in the present invention, when the first band section 701a is in the tensioning state, while second band Section 701b will be in the relaxed state, and positioned at the first band section 701a circular direction on a tensioning wheel 20 It is in the first band section 701a driving of the tensioning state, at this time by the balanced structure 30, so that being located at described The tensioning wheel 20 on the second circular direction with section 701b slowly slides, in this way, so that being located at institute Stating the second tensioning wheel 20 with section 701b around direction can contact with the second band section 701b always.
Referring to figs. 1 to Fig. 9, the tensioning ontology 10 includes a tensioning main body 11 and a shell 12, wherein the tensioning is led Body 11 forms a cambered way 1101, wherein the balanced structure 30 is arranged at the tensioning main body 11, and can be along institute It states and is slided in cambered way 1101, wherein the shell 12 is covered on the tensioning main body 11, fallen into avoid dust described Cambered way 1101.
Further, the tensioning ontology 10 further includes an installation pedestal 13, and the tensioning main body 11 is installed in described Installation pedestal 13, that is to say, that by the way that the tensioning main body 11, the shell 12 and the installation pedestal 13 are carried out group Dress, and then it is capable of forming the tensioning ontology 10.It is noted that in an assembling process, passing through the tensioning main body 11, institute The structure design of shell 12 and the installation pedestal 13 itself is stated, and then can be realized the installation pedestal 13, the tensioning Assembling between main body 11 and the shell 12 can also be assembled by the common mounting means such as screw, bolt, this And the emphasis of non-present invention, the present invention are not limited by this respect.In addition, by the installation pedestal 13, and then can be by institute Tensioning ontology 10 is stated to be installed in the belt drive system 700 of the engine.
Further, the tensioning ontology 10 further includes two locating parts 14, the difference of locating part 14 described in two of them The both ends of the tensioning main body 11 are arranged at, and each locating part 14 is located at each tensioning wheel 20 and described Between tight ontology 10, with when two tensioning wheels 20 slide, the mobile distance of the tensioning wheel 20 of limitation two is excessive, from And it avoids making the transmission belt 701 by excessive tensile force because two mobile distances of the tensioning wheel 20 are excessive.Two The locating part 14 may be implemented as being removably mounted on the tensioning ontology 10, can also be with the tensioning ontology 10 1 It is body formed.
It is understood that two tensioning wheels 20 can be by any rotational structure in the prior art by rotationally The both ends of the balanced structure 30 are connected to, for example, in the present invention, each tensioning wheel 20 passes through a bearing 40 respectively The both ends of the tensioning apparatus 30 are rotatably connected at a bolt 50, the emphasis of this and non-present invention, the present invention is not yet It is limited by this respect, it is preferable that two tensioning wheels 20 coaxially and are rotatablely arranged at the balanced structure 30 both ends.
The balanced structure 30 includes two tensioner arms 31 and a buffer unit 32, tensioner arm 31 and institute described in two of them The tensioning main body 11 that buffer unit 32 is arranged at the tensioning ontology 10 respectively is stated, wherein each 20 quilt of the tensioning wheel It is rotatably connected at one end of each tensioner arm 31, that is to say, that in embodiments of the present invention, each tensioner arm 31 one end forms one interconnecting piece, wherein the buffer unit 32 is arranged at the another of two tensioner arms 31 It, can be slowly by institute with when wherein one tensioner arm 31 is slided with the sliding of the tensioning wheel 20 between one end It states the power that tensioner arm 31 is subject to and is transferred to another tensioner arm 31, so as to be connected to two 31 liang of tensioner arms Two tensioning wheels 20 at end can be slided successively.
In an embodiment of the present invention, the buffer unit 32 includes two elastomeric elements 321 and a movable part 322,31, two elastomeric elements 321 of tensioner arm and the movable part 322 described in two of them are installed in respectively The rotatable tensioning wheel 20 is fixed in the cambered way 1101, one end of each tensioner arm 31, each described The other end of tensioner arm 31 is pressed to one end of the elastomeric element 321, and the other end of two elastomeric elements 321 divides It is not pressed to the two sides of the movable part 322, wherein after any one in two tensioning wheels 20 is pushed, The elastomeric element 321 of the movable part 322, two interacts, with can be slowly by the driven tensioning wheel 20 power being subject to are transferred to another tensioning wheel 20, to also slide therewith after making another 20 separated in time of tensioning wheel It is dynamic, so that the transmission belt tension equipment 200 reaches another equilibrium state.It is understood that in this way, in turn It can make the transmission belt 701 in the belt drive system 700 always can be by the transmission belt tension equipment 200 In two tensioning wheels 20 pressure, and then when the transmission belt 701 is converted under tensioning state and relaxed state, The transmission belt 701 will not all skid between belt wheel.
It will be appreciated by persons skilled in the art that the elastomeric element 321 may be implemented as a helical spring or its It can deformation occurs and the other structures that elastic potential energy changes occur, and the present invention is not limited by this respect.
It is noted that due to the limitation of the cambered way 1101, wherein 322, two institutes of the movable part It states elastomeric element 321, two tensioner arms 31 and two tensioning wheels 20 is all mobile in a manner of arc sliding.And The tensioning wheel 20 moved in a manner of arc sliding can not only apply normal pressure to the transmission belt 701, and can Component in 701 transmission direction of transmission belt is applied to the transmission belt 701, so that the transmission belt can not only be made 701 keep appropriate tensioning, to avoid the transmission belt 701 skidding, and can be by promoting the transmission belt 701 to operate And the transmission belt 701 is avoided to skid.
Referring to figs. 1 to Fig. 9, in the following description, to make those skilled in the art understand that the present invention, will be located at described removable The tensioning wheel 20, the tensioner arm 31, the elastomeric element 321 of 322 side of dynamic component are respectively defined as one first Bearing up pulley 20a, one first tensioner arm 31a and one first elastomeric element 321a will be located at the institute of 321 other side of elastomeric element It states tensioning wheel 20, the tensioner arm 31, the elastomeric element 321 and is respectively defined as one second tensioning wheel 20b, one second tensioner arm 31b, one second elastomeric element 321b, it will be appreciated by persons skilled in the art that defined above is only those skilled in the art Understand the present invention, any restrictions are not caused to the present invention.
With reference to Fig. 4 A to Fig. 5 B, in the present embodiment, each tensioner arm 31 includes a tensioning arm body 311, wherein The tensioning arm body 311 of each tensioner arm 31 is arranged at the cambered way 1101 of the tensioning ontology 10 In, and can reciprocatingly slide along the cambered way 1101, wherein each tensioning arm body 311 includes one close to described One outer end 3111 of bearing up pulley 20 and an inner end 3112 opposite with the outer end, specifically, wherein the first tensioner arm 31a packet One first tensioning arm body 311a is included, wherein the second tensioner arm 31b includes one second tensioning arm body 311b, wherein described First tensioning arm body 311a include close to the first tensioning wheel 20a one first outer end 3111a and with first outer end One first 3111a opposite inner end 3112a, wherein the second tensioning arm body 311b includes close to second tensioning wheel The one second outer end 3111b of the 20b and one second inner end 3112b opposite with the second outer end 3111b, wherein first bullet Property component 321a be located at the first tensioner arm 31a the first inner end 3112a and the movable part 322 side it Between, wherein the second elastomeric element 321b is located at the second inner end 3112b of the second tensioner arm 31b and described removable Between the other side of dynamic component 322.That is, in the present invention, the buffer unit 32 is located at the first tensioner arm master Between the first inner end 3112a of body 311a and the second inner end 3112b of the second tensioning arm body 311b.
It is noted that being provided with the institute of the first tensioning wheel 20a when the first tensioning wheel 20a is driven Stating the first tensioner arm 31a will be driven therewith, wherein the first inner end 3112a of the first tensioner arm 31a will push institute The first elastomeric element 321a is stated, to make the first elastomeric element 321a that the trend of movable part 322 be pushed to compress institute The second elastomeric element 321b is stated, and in the embodiment of the present invention, due to the movable part 322 and second elastomeric element 321b can the first elastomeric element 321a described in transient equilibrium to the pressure between the movable part 322, and then can make The second driving wheel 20b temporarily occurs to slide, with the increase of the first tensioning wheel 20a pressure being subject to, institute It states the second tensioning wheel 20b also to slide therewith, in this way, and then the second tensioning wheel 20b can be made opposite It is slided after the first tensioning wheel 20a, it is worth mentioning at this point that, as the first tensioning wheel 20a and second tensioning After wheel 20b is successively slided, the transmission tape drive 200 will be in an equilibrium state.
It is noted that by the first elastomeric element 321a, the second elastomeric element 321b and described removable The buffer unit 30 that dynamic component 322 is formed can adjust the first tensioning wheel 20a and described the by way of sliding 701 pressure of the transmission belt that two tensioning wheel 20b are subject to, on the contrary, the also adjustable transmission belt of the buffer unit 30 The pressure that the 701 first band section 701a and described second is subject to section 701b, so as to make the transmission belt 701 The first band section 701a and the second band section 701b keep tension appropriate while keeping running well.Such as It says, when the first tensioner arm 31a is increased by the pressure of the first tensioning wheel 20a, the first band section 701a at this time Tension increase, at this time if overtension, the first band section 701a can be caused to damage, and in the present invention, it is described The first tensioning wheel 20a pressure being subject to can be transferred to the second tensioning wheel 20b in time by buffer unit 30, and The second tensioning wheel 20b using the pressure transmitted is actuated to that the second band section 701b is made to keep tensioning state.
In addition, each tensioning arm body 311 has a upper surface 31101 and a lower end surface 31102, wherein from institute State it is more corresponding on any point to the lower end surface 31102 on upper surface 31101 be defined as vertical direction, wherein from institute The outer end 3111 to 3112 direction of inner end for stating tensioning arm body 311 is defined as one laterally, specifically, described first Being tensioned arm body 311a has one first upper surface 31101a and one first lower end surface 31102a, wherein first upper surface 31101a and the first lower end surface 31102a is respectively by for an arcuation.The second tensioning arm body 311b has one second Upper surface 31101b and one second lower end surface 31102b, wherein the second upper surface 31101b and second lower end surface 31102b is respectively by for an arcuation.
In the present invention, each tensioner arm 31 further includes an outer end 312, wherein each tensioning arm body 311 outer end 3111 extends along 31102 one of the upper surface of the tensioning arm body 311, is formed one The outer end 312, wherein the outer end 312 is the interconnecting piece of the balanced structure 30, wherein passing through each institute The outer end 312 of tensioner arm 31 is stated, so as to make each tensioning wheel 20 be connected to each tensioner arm 31. Specifically, the first tensioner arm 31a includes one first outer end 312a, wherein described the first of the first tensioner arm 31a Outer end 3111a integrally extends to form first outer end along the first upper surface 31101a of the first outer end 312a 312a, wherein the first tensioning wheel 20a is rotatably connected at first outer end of the first tensioner arm 31a 312a, after the first tensioning wheel 20a stress, the first tensioning wheel 20a pushes the first tensioner arm 31a, and described First tensioner arm 31a will be slided along the cambered way 1101, and the first tensioning wheel 20a can be with described first at this time The sliding of tight arm 31a and it is mobile in a manner of arc sliding therewith, that is to say, that since the first tensioner arm 31a is by described The limitation of cambered way, the first tensioning wheel 20a are restricted to mobile in a manner of arc sliding.Second tensioner arm 31b includes one second outer end 312b, wherein the second outer end 3111b of the second tensioner arm 31b is outside described second The second upper surface 31101b of end 312b integrally extends to form the second outer end 312b, wherein second tensioning Wheel 20b is rotatably connected at the second outer end 312b of the second tensioner arm 31b, when second tensioning wheel After 20b stress, the second tensioning wheel 20b pushes the second tensioner arm 31b, and the second tensioner arm 31b will be along institute State the sliding of cambered way 1101, at this time the second tensioning wheel 20b can with the sliding of the second tensioner arm 31b and therewith with The mode of arc sliding is mobile, that is to say, that since the second tensioner arm 31b is limited by the cambered way, described the Two tensioning wheel 20b are restricted to mobile in a manner of arc sliding.
Preferably, the cambered way 1101 is implemented as one circle-shaped, in this way, so as to will be by institute The track for stating the first tensioning wheel 20a and the second tensioning wheel 20b movement is limited on the same circumference, and then can be made described Linear distance between first tensioning wheel 20a and the second tensioning wheel 20b reduces, and then reduces the entire transmission belt tensioning The size of equipment 200.
It will be further appreciated that since the first tensioning wheel 20a and the second tensioning wheel 20b distinguish after being driven It is to be moved in a manner of arc sliding, so that the transmission belt 701 in the belt drive system 700 can not only The hard to bear normal pressure to the first tensioning wheel 20a and the second tensioning wheel 20b, additionally it is possible to by first tensioning wheel 20a and the second tensioning wheel 20b is along the pressure of 701 transmission direction of transmission belt, and therefore, design in this way can not only The transmission belt 701 is avoided to skid during the motion, additionally it is possible to avoid the first tensioning wheel 20a and second described Bearing up pulley 20b directly acts on the transmission belt 701 and causes the transmission belt 701 by excessive normal pressure.
Further, each tensioner arm 31 further includes a blocking portion 313, described to be tensioned the described outer of arm body 311 End 3111 longitudinally integrally extends to form the blocking portion 313 along the vertical section direction of the tensioning arm body 311, wherein described The area of the vertical section of blocking portion 313 is greater than the area of the vertical section of the tensioning arm body 311.Specifically, first Tight arm 31a includes one first blocking portion 313a, wherein the first outer end 3111a of the first tensioning arm body 311a is along institute The vertical section direction for stating the first tensioning arm body 311a integrally extends to form the first blocking portion 313a.Second tensioner arm 31a includes one second blocking portion 313a, wherein the second outer end 3111a of the second tensioning arm body 311a is along described the The vertical section direction of two tensioning arm body 311a integrally extends to form the second blocking portion 313a.
It is worth one, when a tensioning wheel 20 is driven, is provided with the tensioning of the tensioning wheel 20 Arm 31 also can be slided correspondingly, as the driving force that the tensioning wheel 20 is subject to persistently increases, wherein the tensioner arm 31 also will Constantly the cambered way 1101 along the tensioning main body 11 slides, until the blocking of the corresponding tensioner arm 31 When portion 313 is stopped by the locating part 14, the tensioning wheel 20 will be opened described in another in the maximum sliding position Bearing up pulley 20 will be in the minimum slip position.
Further, each tensioner arm 31 further includes a guide vane 314, wherein each tensioning arm body 311 The inner end 3112 from it is described tensioning arm body 311 the inner end 3112 along it is described tensioning arm body 311 vertical section Direction is laterally extended to form the guide vane 314, wherein the tensioning ontology 10 is further formed two guide slides 1102, Wherein each guide vane 314 is able to accordingly slide in the guide slide 1102.It is noted that described It is the same slideway that guide slide 1102, which can be with the cambered way 1101, is also possible to different slideways, the present invention is not It is limited by this respect.
Specifically, in the present invention, the first tensioner arm 31a includes one first guide vane 314a, wherein described second Tensioner arm 31b includes one second guide vane 314b, and correspondingly, the tensioning ontology 10 is further formed one first guide slide 1102a and one second guide slide 1102b, by the first guide slide 1102a and the second guide slide 1102b, So as to be able to the first guide vane 314a and the second guide vane 314b of the first tensioner arm 31a with The mode of arc sliding is slided.
Further, the tensioning ontology 10 further includes two guide parts 15, wherein each guide part 15 forms one Targeting port 1501, specifically, the tensioning ontology 10 form one first guide part 15a and one second guide part 15b, two of them The guide part 15 is respectively set at tensioning main body 11, and the first guide part 15a and the second guide part 15b points Not Xing Cheng one first targeting port 1501a and one second targeting port 1501b, wherein the first targeting port 1501a and described second Targeting port 1501b is respectively used to guide the first tensioning arm body 311a of the first tensioner arm 31a and second described The first tensioning arm body 311b of tight arm 31b is slided in the cambered way 1101, specifically, first tensioner arm The first tensioning arm body 311a of 31a is disposed through the first targeting port 1501a, wherein second tensioner arm The first tensioning arm body 311b of 31b is disposed through the second targeting port 1501b, with can be by making described first Tensioning arm body 311a and the second tensioning arm body 311b are able to along the first targeting port 1501a and described second Targeting port 1501b sliding.
In the present invention, the first guide part 15a and the second guide part 15b is integrally formed in described respectively It is tensioned the tensioning main body 11 and the shell 12 of ontology 10, thus when the shell 12 is carried out with the tensioning main body 11 When assembling, the first targeting port 1501a and the second targeting port 1501b will be formed.
Further, each tensioner arm 31 further includes an inner end 315, wherein the institute of the tensioner arm main body 311 It states inner end 3112 and longitudinally extends to form the inner end 315 along vertical section, wherein each elastomeric element 321 is compressed in Between each inner end 315 and the movable part 322.Preferably, the vertical section area of the inner end 315 is big In the vertical section area of the tensioning arm body 311, to enable the elastomeric element 321 fully by the inner end 315 compress.Specifically, the first tensioner arm 31a includes one first inner end 315a, wherein the first tensioning arm body The first inner end 3112a of 311a extends to form the first inner end 315a along vertical section direction, wherein described first Elastomeric element 321a is compressed between the first inner end 315a and the movable part 322.Second tensioner arm 31b includes one second inner end 315b, wherein the second inner end 3112b of the second tensioning arm body 311b is along vertical Cross-wise direction extends to form the second inner end 315b, wherein the second elastomeric element 321b is compressed in described second Between inner end 315b and the movable part 322.
Further, each tensioner arm 31 includes a limiting section 316, wherein the institute of each tensioner arm 31 It states inner end 3112 described in tensioning arm body 311 and integrally extends to form the limiting section 316, wherein when 321 quilt of elastomeric element When being embodied as helical spring, one end of the elastomeric element 321 is set in the limiting section 316, to avoid the elastic portion Part 316 is because deformation occurs and is detached from the inner end 315 of the tensioner arm 31.Specifically, the first tensioner arm 31a packet One first limiting section 316a is included, wherein in described the first of the first tensioning arm body 311a of the first tensioner arm 31a End 3112a integrally extends to form the first limiting section 316a;Second tensioner arm 31 includes one second limiting section 316b, Described in the second tensioner arm 31b it is described second tensioning arm body 311b the second inner end 3112b integrally extend to form institute The second limiting section 316b is stated, wherein when the first elastomeric element 321a and the second elastomeric element 321b are carried out respectively When for a spring, the first elastomeric element 321a and the second elastomeric element 321b are respectively installed in first limit Position portion 316a and the second limiting section 316b.Preferably, in the present invention, the limiting section 316 is implemented as a protrusion, and And the area of section on the vertical direction of the protrusion is less than the area of section on the vertical direction of the helical spring.It is described slow Flushing device 32 includes at least two damping sleeves 323, and damping sleeve 323 described in two of them is set in two tensioner arms 31, and the damping sleeve 323 is between the tensioning ontology 10 and the tensioner arm 31, to be slided in the tensioner arm 31 In the process, damping can be generated, between the tensioning ontology 10 so as to offset the pressure that the tensioner arm 31 is subject to.Tool Body, the balanced structure 30 includes one first damping sleeve 323a and one second damping sleeve 323b, wherein first damping sleeve 323a and the second damping sleeve 323b are arranged at the first tensioner arm 31a and the second tensioner arm 31b respectively, wherein The first damping sleeve 323a and the second damping sleeve 323b is arranged at the first tensioner arm 31a and second tensioning Any restrictions are not caused to the present invention in the position of arm 31b.It is noted that any one of tensioner arm 31 is by the tensioning When 20 driving of wheel is to slide, damping is generated between 323 outside of damping sleeve and the tensioning ontology, so as to partial offset The pressure that the tensioning wheel 20 that the tensioner arm 31 is subject to is subject to because being driven.Such as the first tensioning wheel 20a When pressure by the first band section 701a, the first tensioning wheel 20a will push the first tensioner arm 31a sliding, this When the first damping sleeve 323a and the tensioning ontology 10 that are arranged on the first tensioner arm 31a between generate phase Anti- frictional resistance, so as to the pressure for the first band section 701a being subject to described in partial offset, with described first The pressure for the first band section 701a that bearing up pulley 20a is subject to increases, and the first tensioner arm 31a will be along the cambered way 1101 slidings, and first elastomeric element 321 is compressed, wherein the movable part 322 will be by first elastomeric element 321a push to slide, correspondingly, the second elastomeric element 321b by the pressure by the movable part 322, and by Gradually compress, at this point, the second damping sleeve 323b being arranged on the second tensioner arm 31b can also offset it is described removable Dynamic component 322 is to the pressure of second elastomeric element 321, so that second elastomeric element 321 is enable slowly to slide, That is by the damping sleeve 323 two tensioning wheels 20 can also successively slided.
With reference to Fig. 6 to Fig. 8, further, the movable part 322 is implemented as a sliding block, wherein described removable Component 322 includes a member tension ontology 3221, wherein the member tension ontology 3221 has close to first elastic portion The one first of part 321a compresses face 322101a and compresses face 322101b close to the one second of the second elastomeric element 321b, Wherein one end of the first elastomeric element 321a is pressed on described first and compresses face 322101a, first elastomeric element The other end of 321a is pressed on the first inner end 315a of the first tensioner arm 31a, wherein second elastic portion One end of part 321b is pressed on described second and compresses face 322101b, and the other end of the second elastomeric element 321b is compressed In the second inner end 315b of the second tensioner arm 311b.
The member tension ontology 3221 of the movable part 322 respectively along described first compress face 322101a and Described second, which compresses face 322101b, integrally extends, and is respectively formed a protrusion 3222, specially the first protrusion 3222a and the Two protrusion 3222b, wherein being respectively implemented as one in the first elastomeric element 321a and the second elastomeric element 321b When helical spring, one end of one end of the first elastomeric element 321a and the second elastomeric element 321b press on institute respectively It states described the first of member tension ontology 3221 and compresses face 322101a and described second and compress face 322101b, and first bullet Property component 321a and the second elastomeric element 321b is nested in first protrusion 32221 and described second convex respectively Portion 3222b out, thus when deformation occurs by the first elastomeric element 321a and the second elastomeric element 321b, described first Elastomeric element 321a and the second elastomeric element 321b is limited to avoid respectively excessively to swing and be detached from the cambered way 1101。
It will be appreciated by persons skilled in the art that the member tension ontology 3221 includes a upper housing 32211 and one Lower case 32212 and an article body 32213, wherein the upper housing 32211 and the lower case 32212 are respectively by wear-resisting Material is made, and has biggish damping, wherein when the movable part 322 slides in the cambered way 1101 When, the upper housing 32211 and the lower case 32212 be able to the tensioning main body 11 of the tensioning ontology 10 it Between generate frictional resistance, in this way, second elastomeric element of the first elastomeric element 321a or described can be offset The pressure of 321b, and then two tensioning wheels 20 for being arranged at two tensioner arms 31 can be enable successively to slide.
Further, the movable part 322 includes two sliding closures 3223, wherein the member tension ontology 3221 have a lateral surface 322102 and the medial surface 322103 relative to the lateral surface 33203, wherein respectively described in Described the first of member tension ontology 3221 compresses face 321101 and described second and compresses face 321102 along the lateral surface 322102 integrally extend to form two sliding closures 3223, wherein will be close to the sliding of the first elastomeric element 321a The wing 3223 is defined as one first sliding closure 3223a, and the sliding closure 3223 that will be close to the second elastomeric element 321b defines For one second sliding closure 3223b, wherein the tensioning ontology 10 forms a slideway 1103, wherein when the member tension ontology 3221 by pressure when being driven, and the first sliding closure 3223a and the second sliding closure 3223b are respectively in the slideway 1103 Middle sliding.
It is noted that in the present invention, the slideway 1103 can be the same cunning with the guide slide 1102 Road, is also possible to different slideways, and the present invention is not limited by this respect.
It will be further appreciated that the member tension ontology 3221 of the movable part 322 is by described first When the pressure of at least one in elastomeric element 321a and the second elastomeric element 321b, the member tension ontology 3221 and The sliding closure 3223 all can be by the frictional force of opposite direction, design in this way, thus in the tensioning wheel 20 When at least one is driven, another described 20 separated in time of tensioning wheel can just be slided.
Further, the balanced structure 30 further includes at least one damping piece 33, wherein the damping piece 33 is set In the movable part 322, wherein the damping piece 33 be located at the movable part 322 and the tensioning ontology 10 it Between, thus when the movable part 322 is actuated to slide, between the damping piece 33 and the tensioning ontology 10 The resistance of generation can offset the pressure that the movable part 322 is subject to, so as to make the first tensioner arm 31a and institute Stating the second tensioner arm 31b can move after separated in time.
Preferably, in the present embodiment, the balanced structure 30 includes two damping pieces 33, two damping pieces 33 two sliding closures 3223 for being arranged at the movable part 322 respectively specifically will be set to described first The damping piece 33 on sliding closure 3223a is defined as one first damping piece 33a, will be set to the second sliding closure 3223b On the damping piece 33 be defined as one second damping piece 33b, wherein when the movable part 322 is by by first bullet When the pressure of property component 321a, the first damping piece 33a and the second damping piece 33b can with the tensioning main body 11 it Between generate resistance, so as to delay the movement of the second tensioner arm 31b.
With reference to Fig. 9 to Figure 13, in a variant embodiment of above-described embodiment, the balanced structure 30 further comprises one Retarding means 34, wherein the retarding means 34 is arranged at the tensioning ontology 10, and the movable part 322 is connected It is connected to the retarding means 34, with when the movable part 322 is upwarded pressure by a side, the retarding means 34 The active force of an opposite direction can be applied to the movable part 322, thus the slowly fortune of the movable part 322 It is dynamic, and then two tensioning wheels 20 being connected on two tensioner arms 31 is enable successively to slide, to guarantee When two tensioning wheels 20 are converted under different equilibrium state, contacted between the transmission belt 701 always.
The movable part 322 further comprises a connector 3224, wherein the connector 3224 is for connecting institute Retarding means 34 and the movable part 322 are stated, wherein described first when the movable part 322 compresses face When 322101a is compressed by the first elastomeric element 321a, the retarding means 34 slowly drives the movable part 322 Sliding, to make the second elastomeric element 321b slowly be compressed, so as to lingeringly push the second tensioner arm 31b It is slided along the cambered way 1101.On the contrary, described second when the movable part 322 compresses face 322101b by institute When stating the second elastomeric element 321b and compressing, the retarding means 34 can lingeringly drive the movable part 322 to slide, thus Compress the second elastomeric element 321b slowly, to slowly push the second tensioner arm 31b along the arc It is slided after slideway 1101.
Further, in the present embodiment, the tensioning ontology 10 further comprises an installation part 16, wherein by institute Installation part 16 is stated, so as to be relatively fixed the retarding means 34 in the tensioning main body of the tensioning ontology 10 11。
It is noted that the retarding means 34 may be implemented as hydraulic device etc., the present invention is not by this respect Limitation.
Another embodiment according to the present invention, the present embodiment and above-described embodiment the difference is that, the buffer unit 32 include an elastomeric element 321 and two damping sleeves 323, wherein the both ends of the elastomeric element 321 respectively by One end of two tensioner arms 31 is pressed on, tensioning wheel 20 described in two of them is connected to two tensioning wheels 20 The other end wherein each damping sleeve 323 is arranged at the tensioner arm 31, and be located at described in this way Between tensioner arm 31 and the main body, with when the tensioner arm 31 compresses the elastomeric element 321 by driving, described in another Tensioner arm 31 can offset the thrust of the elastomeric element 321 by the damping sleeve 323, and then can make to be connected It can successively be moved in the tensioning wheel 20 of two tensioner arms 31.
Specifically, in the present embodiment, the both ends of 321 quilt of elastomeric element are pressed to two tensioner arms respectively 31 inner end 315, damping sleeve 33 described in two of them are respectively set at two tensioning arm bodies 311.
It will be further appreciated that each tensioning wheel 20 has a maximum sliding position and a minimum slip position, when The transmission belt tension equipment 200 is in an equilibrium state, and when a tensioning wheel 20 is in the maximum position, another A tensioning wheel 20 will be in the minimum slip position, wherein each tensioning wheel 20 is in the minimum slip position and described Any position between maximum sliding position is in the equilibrium state.
The maximum sliding position and the minimum slip position locating for two tensioning wheels 20 are logical in the present invention Cross be pre-designed and determine.Specifically, in conjunction with 200 belt wheel of the belt drive system layout provided by automaker Geometric parameter and the power that is related to of every axis.Then regard the heretofore described second tensioning wheel 20b as a fixation Idle pulley, and it is arranged in position of the preferred location as a locating part 14, that is to say, that by limiting each institute The movement of tensioner arm 31 is stated, and then the movement of two tensioning wheels 20 can be limited.Usual above-mentioned preferred location is by automobile system It makes quotient and/or space size determines.In addition to this, preferred location needs consistent with static geometry equilbrium position.Design two The load of stretcher meets, and on the one hand avoids the minimum value (referred to as skidding threshold) for skidding and reducing resonance, on the other hand with it is quiet State geometric layout demand is unanimously always possible.Appoint in fact, the ratio for changing two 31 load of tensioner arm can achieve What geometry equilbrium position.Tool according to the maximum value and minimum value of the Belt Length in entirely transmission life span, positioned at slack list There is the stretcher of selected fulcrum and tensioning brachium can be from the minimum slip position and the maximum sliding position being calculated.
It is noted that the transmission belt that the transmission belt tension equipment 200 is applied to the hybrid power engine drives When dynamic system 700, the belt drive system 700 can start motor mode and one to start motor mode one, wherein institute The the first blocking portion 313a for stating the first tensioner arm 31a is stopped by first locating part 14 of the tensioning ontology 10, into And the first tensioning wheel 20a is made to be in the maximum sliding position, and when the transmission belt idler device 200 reaches described When equilibrium state, accordingly, the second tensioning wheel 20b will be up in the minimum slip position;Wherein second tensioning The second blocking portion 313b of arm 31b is stopped by second locating part 14 of the tensioning ontology 10, and then makes described the Two tensioning wheel 20b are in the maximum sliding position, and when the transmission belt idler device 200 reaches the equilibrium state When, accordingly, the second tensioning wheel 20b will be up in the minimum slip position.When the belt drive system 700 exists When being converted under different modes, it is necessary to assure the load of the transmission belt 701 in the belt drive system 700, this hair The bright transmission belt tension equipment 200 is used to be tensioned the transmission belt 701.
In this example, it is converted since the starting motor mode to the hair when the belt drive system 700 When motor mode, the second band section 701b of the transmission belt 701 will drive the second tensioning wheel 20b to slide, by this Above-mentioned balanced structure 30 is invented, so as to drive the first tensioning wheel 20a slowly, until second tensioner arm When the second blocking portion 313b in 31b is stopped by the second locating part 14b, it is to be understood that due to described first Tensioning wheel 20a is slowly driven, to make to maintain the smallest tensioning on the first band section 701a of the transmission belt 701 Power, therefore will not be loosened between the first tensioning wheel 20a and the first band section 701a of the transmission belt 701;When described When converted when belt drive system 700 is from the generator mode to the starting motor mode, the institute of the transmission belt 701 Stating first band section 701a will drive the first tensioning wheel 20a to slide, by the above-mentioned balanced structure 30 of the present invention, so as to make The second tensioning wheel 20b can lingeringly be driven, until the second blocking portion 313b in the first tensioner arm 31a When being stopped by the first locating part 14a, it is to be understood that since the second tensioning wheel 20b is slowly driven, thus Make to maintain the smallest tensile force, therefore the second tensioning wheel 20b on the second band section 701b of the transmission belt 701 It will not be loosened between the second band section 701b of the transmission belt 701.
According to another aspect of the present invention, the present invention provides the working method of a transmission belt tension equipment 200, wherein institute State working method the following steps are included:
Step 1601: two tensioning wheels 200 are respectively set in two interconnecting pieces of a balanced structure, and will wherein One tensioning wheel is set to a circular direction with section of a transmission belt 701, another described tensioning wheel is set to The circular direction of another band section of the transmission belt of the transmission belt;With
Step 1602: positioned at a tensioning wheel quilt with section on direction of the transmission belt 701 of tensioning When driving, the balanced structure 30 pushes another described tensioning wheel 20 that can lingeringly slide, to guarantee the transmission belt 701 Another described band section keeps tensioning state.
One buffer unit 32 of an embodiment according to the present invention, the balanced structure 30 offsets the driven tensioning wheel 20 partial pressures being subject to, can lingeringly push another described sliding of tensioning wheel 20 to reach an equilibrium state.
According to another embodiment of the present invention, by being respectively set at two tensioner arms 31 of the balanced structure 30 One damping piece 33 and the damping before a tensioning ontology 10 of the transmission belt tension equipment 200, offset driven described The partial pressure that bearing up pulley 20 is subject to, can lingeringly push another described sliding of tensioning wheel 20 to reach an equilibrium state.
It is noted that when a band section 701 is in tensioning state, positioned at one of the transmission belt 701 The tensioning wheel 20 of the band section on direction is driven, and the balanced structure 30 pushes another described tensioning wheel 20 can Lingeringly slide, so that two tensioning wheels 20 is made all to keep contacting with the band section of the corresponding transmission belt 701, with Guarantee that the transmission belt 701 is in tensioning state.
Transmission belt tension equipment 200 is it can thus be seen that the object of the invention can be efficiently accomplished sufficiently.For explaining this hair The embodiment of bright function and structure principle is absolutely proved and is described, and the present invention is not by based on these embodiment principle bases The limitation of change on plinth.Therefore, the present invention includes covering owning within appended claims claimed range and spirit Modification.

Claims (41)

1. a transmission belt tension equipment, characterized in that it comprises:
One tensioning ontology;
Two tensioning wheels;And
One balanced structure, wherein the balanced structure includes two interconnecting pieces, wherein the balanced structure is arranged at described Tight ontology, one of them described tensioning wheel are arranged on the interconnecting piece, another described tensioning wheel is arranged on another A interconnecting piece, and an equilibrium state is formed, when one of them described tensioning wheel is driven, the balanced structure drives another A tensioning wheel can be slided lingeringly, to reach another equilibrium state.
2. transmission belt tension equipment according to claim 1, wherein the balanced structure includes:
Two tensioner arms, wherein each tensioner arm includes close to an outer end of the tensioning wheel and relative to the outer end One inner end in portion, the outer end of two tensioner arms form two interconnecting pieces, tensioner arm described in two of them It is slidably disposed in the tensioning ontology;With
One buffer unit, wherein the buffer unit is slidably disposed in the tensioning ontology, and the buffer unit Between the inner end of two tensioner arms, wherein the tensioning wheel for being fixed in the tensioner arm is driven When dynamic, the buffer unit pushes another described tensioner arm that can lingeringly slide.
3. transmission belt tension equipment according to claim 2, wherein each tensioner arm includes a tensioning arm body, Described in tensioning arm body connect the inner end and the outer end, wherein the tensioner arm main body includes close to the tensioning Wheel an outer end, and the tensioning arm body have a upper surface, wherein each tensioning arm body along the outer end oneself The upper surface extends to form the outer end.
4. transmission belt tension equipment according to claim 3, wherein each tensioner arm includes a blocking portion, wherein often The outer end of a tensioning arm body longitudinally extends to form the blocking along the vertical section direction of the tensioning arm body Portion, wherein the area of the vertical section of the blocking portion is greater than the vertical section area of the tensioning arm body.
5. transmission belt tension equipment according to claim 4, wherein each tensioning arm body includes relative to described One inner end of outer end, wherein the inner end of each tensioning arm body is longitudinally prolonged along the vertical section of the tensioning arm body It stretches direction and extends to form the inner end, wherein the area of the inner end vertical section is greater than the described of the tensioning arm body Vertical section area.
6. transmission belt tension equipment according to claim 5, wherein the tensioner arm further includes a guide vane, wherein described The inner end for being tensioned arm body is laterally extended to form the guide vane along the vertical section direction of the tensioning arm body.
7. transmission belt tension equipment according to claim 6, wherein the tensioner arm includes a limiting section, wherein described The inner end of tight arm body integrally extends to form the limiting section along the tensioning arm body, wherein the limiting section is vertical The area in section is less than the vertical section area of the tensioning arm body.
8. according to the transmission belt tension equipment any in claim 2 to 7, wherein the buffer unit includes:
One elastomeric element wherein the elastomeric element is arranged at the tensioning ontology, and is located at the institute of two tensioner arms It states between inner end;With
Two damping sleeves, wherein each damping sleeve be arranged at each tensioner arm and it is described tensioning ontology between, When wherein any one of tensioner arm slides, damping is generated on the outside of the damping sleeve between the tensioning ontology.
9. transmission belt tension equipment according to claim 8, wherein each damping sleeve be integrally provided to it is each The tensioner arm.
10. according to the transmission belt tension equipment any in claim 2 to 7, wherein the buffer unit includes:
One movable part, wherein the movable part is slidably disposed in the tensioning ontology;With
Two elastomeric elements, wherein one end of each elastomeric element is pressed to the another inner end end of each tensioner arm Between the side of the movable part, and each elastomeric element is telescopically arranged in the tensioning ontology.
11. transmission belt tension equipment according to claim 10, wherein the balanced structure further includes a retarding means, Described in movable part be connected to the retarding means, wherein being fixed in the tensioning wheel quilt of the tensioner arm When driving, the retarding means acts on the movable part, to delay to be fixed in described in another described tensioner arm It is tensioned slipping.
12. transmission belt tension equipment according to claim 10, wherein the retarding means is implemented as a hydraulic device.
13. according to right want 10,11 or 12 described in transmission belt tension equipment, wherein the buffer unit include at least two resistance Buddhist nun's set, wherein each damping sleeve is arranged at each tensioner arm, and the damping sleeve be located at the tensioner arm with Between the tensioning ontology, wherein when any one of tensioner arm slides, on the outside of the damping sleeve with the tensioning ontology it Between generate damping.
14. transmission belt tension equipment according to claim 13, wherein the movable part includes:
One article body, there are two sides for the article body tool, and respectively first, which compresses face and one second, compresses face, wherein one A elastomeric element is pressed to described first and compresses between face and the inner end of a tensioner arm, another one The elastomeric element is pressed to described second and compresses between face and the inner end of a tensioner arm;With
Two sliding closures, respectively close to described first compress one first sliding closure that face extends along the article body side and One second sliding closure that face extends along the side of the article body is compressed close to described second, wherein described two slidings The wing is respectively slidably set to the tensioning ontology.
15. transmission belt tension equipment according to claim 14, wherein the buffer unit further includes two damping pieces, In two damping pieces be respectively set at the sliding closure, and when the movable part slides, each damping Damping is generated between part and the tensioning ontology.
16. transmission belt tension equipment according to claim 15, tensioner arm described in two of them is by being symmetrically disposed on State tensioning ontology.
17. transmission belt tension equipment according to claim 4, wherein each tensioning wheel has a maximum sliding position With a minimum slip position, when one of them described tensioning wheel is in the maximum position, another described tensioning wheel is in most Small sliding position, wherein any bit of each tensioning wheel between the minimum slip position and the maximum sliding position It sets in the equilibrium state.
18. transmission belt tension equipment according to claim 17, wherein the tensioning ontology includes two locating parts, wherein Each locating part is arranged at the sliding path of each tensioner arm, when the transmission belt tension equipment is in described flat Weighing apparatus state, and when the blocking portion of a tensioner arm is stopped by the locating part, it is set to another the tensioning Wheel is in the minimum slip position.
19. a belt drive system, which is characterized in that wherein the belt drive system includes:
One crankshaft pulley;
One electrical machine belt pulley;
One by driving attachment wheel;
One transmission belt, wherein the crankshaft pulley, the electrical machine belt pulley and it is described by driving attachment wheel respectively by the transmission Series connection;And
According to claim 1 to transmission belt tension equipment described in 18, wherein being opened described in two of the transmission belt tension equipment Bearing up pulley is located at the circular direction of the transmission belt, and converts under different equilibrium state, to be tensioned the transmission belt.
20. a transmission belt tension equipment, characterized in that it comprises:
One tensioning ontology, wherein the tensioning ontology forms a cambered way, tensioner arm described in two of them is respectively by slidably Ground is set to the cambered way;
Two tensioning wheels;And
One balanced structure, wherein the balanced structure includes two interconnecting pieces, wherein the balanced structure is arranged at described Tight ontology, tensioning wheel described in two of them are rotatablely arranged at the connection portion of the balanced structure, and shape respectively At an equilibrium state, when one of them described tensioning wheel is driven, the balanced structure is along the cambered way with arc sliding Mode slide, to reach another equilibrium state.
21. transmission belt tension equipment according to claim 20, wherein the balanced structure includes:
Two tensioner arms, wherein each tensioner arm includes close to an outer end of the tensioning wheel and relative to the outer end One inner end in portion, the outer end of two tensioner arms are respectively formed the interconnecting piece, and two tensioner arms It is slidably disposed in the tensioning ontology;With
One buffer unit, wherein the buffer unit is arranged at the tensioning ontology, and the buffer unit is located at two Between the inner end of the tensioner arm, wherein when the tensioning wheel for being fixed in the tensioner arm is driven, institute Stating buffer unit pushes another described tensioner arm that can lingeringly slide.
22. transmission belt tension equipment according to claim 21, wherein each tensioner arm includes a tensioning arm body, Wherein the tensioner arm main body is between the inner end and the outer end, wherein the tensioner arm main body includes close to institute An outer end of tensioning wheel is stated, and the tensioning arm body has a upper side, wherein the outer end quilt of the tensioner arm It is connected to the outer end of the tensioning arm body, and is located at the upper side.
23. transmission belt tension equipment according to claim 22, wherein each tensioner arm includes a blocking portion, wherein The outer end of each tensioning arm body longitudinally extends to form the resistance along the vertical section direction of the tensioning arm body Stopper, wherein the area of the vertical section of the blocking portion is greater than the vertical section area of the tensioning arm body.
24. transmission belt tension equipment according to claim 23, wherein each tensioner arm includes a cross-section, wherein Each tensioning arm body includes the inner end relative to the outer end, wherein the inner end of each tensioning arm body Vertical section longitudinal extension along the tensioning arm body extends to form the cross-section, wherein the cross-section forms institute The inner end of tensioner arm is stated, wherein the area of the vertical section of the cross-section is greater than the described perpendicular of the tensioning arm body Straight area of section.
25. transmission belt tension equipment according to claim 24, wherein the tensioner arm further includes a guide vane, wherein institute The inner end for stating tensioning arm body is laterally extended to form the guide vane along the vertical section direction of the tensioning arm body.
26. transmission belt tension equipment according to claim 25, wherein the tensioner arm includes a limiting section, wherein described The inner end of tensioning arm body integrally extends to form the limiting section along the tensioning arm body, wherein the limiting section is perpendicular The area in straightforward face is less than the vertical section area of the tensioning arm body.
27. according to the transmission belt tension equipment any in claim 21 to 26, wherein the buffer unit includes:
An at least elastomeric element wherein the elastomeric element is arranged at the tensioning ontology, and is located at two tensioner arms The inner end between;With
Two damping sleeves, wherein each damping sleeve be arranged at each tensioner arm and it is described tensioning ontology between, When wherein any one of tensioner arm slides, damping is generated on the outside of the damping sleeve between the tensioning ontology.
28. transmission belt tension equipment according to claim 27, wherein each damping sleeve is integrally provided to often A tensioner arm.
29. according to the transmission belt tension equipment any in claim 21 to 26, wherein the buffer unit includes:
One movable part, wherein the movable part is arranged at the tensioning ontology, and can be sliding along the cambered way It is dynamic;With
Two elastomeric elements, wherein one end of each elastomeric element is pressed to the another inner end end of each tensioner arm Between the side of the movable part, and each elastomeric element is telescopically arranged in the cambered way.
30. transmission belt tension equipment according to claim 29, wherein the balanced structure further includes a retarding means, Described in movable part be connected to the retarding means, wherein being fixed in the tensioning wheel quilt of the tensioner arm When driving, the retarding means acts on the movable part, to delay to be fixed in described in another described tensioner arm It is tensioned slipping.
31. transmission belt tension equipment according to claim 30, wherein the retarding means is implemented as a hydraulic device.
32. according to right want 28,29 or 30 described in transmission belt tension equipment, wherein the buffer unit include at least two resistance Buddhist nun's set, wherein each damping sleeve is arranged at each tensioner arm, and the damping sleeve be located at the tensioner arm with Between the tensioning ontology, wherein when any one of tensioner arm slides, on the outside of the damping sleeve with the tensioning ontology it Between generate damping.
33. transmission belt tension equipment according to claim 32, wherein the movable part includes:
One article body, there are two sides for the article body tool, and respectively first, which compresses face and one second, compresses face, wherein one A elastomeric element is pressed to described first and compresses between face and the inner end of a tensioner arm, another one The elastomeric element is pressed to described second and compresses between face and the inner end of a tensioner arm;With
Two sliding closures, respectively close to described first compress one first sliding closure that face extends along the article body side and One second sliding closure that face extends along the side of the article body is compressed close to described second, wherein described two slidings The wing is respectively slidably set to the tensioning ontology.
34. transmission belt tension equipment according to claim 33, wherein the buffer unit further includes two damping pieces, In two damping pieces be respectively set at the sliding closure, and when the movable part slides, each damping Damping is generated between part and the tensioning ontology.
35. transmission belt tension equipment according to claim 34, tensioner arm described in two of them is by being symmetrically disposed on State tensioning ontology.
36. transmission belt tension equipment according to claim 34, wherein the cross-sectional shape of each tensioner arm is set It is set to the arc with cambered way cooperation.
37. transmission belt tension equipment according to claim 36, wherein each tensioning wheel has a maximum sliding position Set with a minimum slip position, when one of them described tensioning wheel is in the maximum position, another described tensioning wheel is in The minimum slip position, wherein any of each tensioning wheel between the minimum slip position and the maximum sliding position Position is in the equilibrium state.
38. the transmission belt tension equipment according to claim 37, wherein the tensioning ontology includes two locating parts, wherein Each locating part is arranged at the sliding path of each tensioner arm, when the transmission belt tension equipment is in described flat Weighing apparatus state, and when the blocking portion of a tensioner arm is stopped by the locating part, it is set to another the tensioning Wheel is in the minimum slip position.
39. a belt drive system, which is characterized in that wherein the belt drive system includes:
One crankshaft pulley;
One electrical machine belt pulley;
One by driving attachment wheel;
One transmission belt, wherein the crankshaft pulley, the electrical machine belt pulley and it is described by driving attachment wheel respectively by the transmission Series connection;And
The transmission belt tension equipment according to claim 20 to 38, wherein being opened described in two of the transmission belt tension equipment Bearing up pulley is located at the circular direction of the transmission belt, and converts under different equilibrium state, to be tensioned the transmission belt.
40. the working method of a transmission belt tension equipment, which is characterized in that the method comprise the steps that
Two tensioning wheels are respectively set to set in two interconnecting pieces of a balanced structure, and by one of them described tensioning wheel It is placed in a circular direction with section of a transmission belt, another described tensioning wheel is set to another band of the transmission belt The circular direction of section;With
When the tensioning wheel surrounding on direction positioned at the band section of tensioning is driven, the balanced structure pushes another institute Stating tensioning wheel can lingeringly slide, to guarantee that another described band section keeps tensioning state.
41. working method according to claim 40, tensioning wheel described in two of them is slided in a manner of arc sliding.
CN201810506193.6A 2018-05-24 2018-05-24 Transmission belt tension equipment and its application Pending CN110529571A (en)

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Application Number Priority Date Filing Date Title
CN201810506193.6A CN110529571A (en) 2018-05-24 2018-05-24 Transmission belt tension equipment and its application

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Publication number Priority date Publication date Assignee Title
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WO2011138100A1 (en) * 2010-05-03 2011-11-10 Schaeffler Technologies Gmbh & Co. Kg Belt tensioner
US20130040770A1 (en) * 2011-08-12 2013-02-14 Schaeffler Technologies AG & Co. KG Tensioning device for a belt drive and electric machine with such a tensioning device
CN103062346A (en) * 2011-10-18 2013-04-24 谢夫勒科技股份两合公司 Tensioining device for belt drive mechanism and electric machine with clamping device
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CN106090156A (en) * 2016-06-21 2016-11-09 宁波丰茂远东橡胶有限公司 A kind of bi-directional association and the two-way tensioner of belt variable damping unit
US20180017143A1 (en) * 2015-02-06 2018-01-18 Litens Automotive Partnership Endless drie arrangement for hybrid vehicle using two-armed tensioner with non-orbiting arms
CN209228969U (en) * 2018-05-24 2019-08-09 宁波丰茂远东橡胶有限公司 Transmission belt tension equipment and belt drive system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006019877A1 (en) * 2006-04-28 2007-10-31 Schaeffler Kg Circular arc clamp for traction drive of internal combustion engine, has clamping lever including pressing unit sprung against traction unit and formed as circular arc in clamping direction, where lever is pivoted within guide rail
WO2011138100A1 (en) * 2010-05-03 2011-11-10 Schaeffler Technologies Gmbh & Co. Kg Belt tensioner
US20130040770A1 (en) * 2011-08-12 2013-02-14 Schaeffler Technologies AG & Co. KG Tensioning device for a belt drive and electric machine with such a tensioning device
CN103062346A (en) * 2011-10-18 2013-04-24 谢夫勒科技股份两合公司 Tensioining device for belt drive mechanism and electric machine with clamping device
CN103987940A (en) * 2011-12-15 2014-08-13 舍弗勒技术有限两合公司 Clamping device for a belt drive
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US20180017143A1 (en) * 2015-02-06 2018-01-18 Litens Automotive Partnership Endless drie arrangement for hybrid vehicle using two-armed tensioner with non-orbiting arms
CN106090156A (en) * 2016-06-21 2016-11-09 宁波丰茂远东橡胶有限公司 A kind of bi-directional association and the two-way tensioner of belt variable damping unit
CN209228969U (en) * 2018-05-24 2019-08-09 宁波丰茂远东橡胶有限公司 Transmission belt tension equipment and belt drive system

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Application publication date: 20191203