CN109695678A - A kind of belt stretcher and vehicle - Google Patents
A kind of belt stretcher and vehicle Download PDFInfo
- Publication number
- CN109695678A CN109695678A CN201710993735.2A CN201710993735A CN109695678A CN 109695678 A CN109695678 A CN 109695678A CN 201710993735 A CN201710993735 A CN 201710993735A CN 109695678 A CN109695678 A CN 109695678A
- Authority
- CN
- China
- Prior art keywords
- wheel assembly
- belt
- constant pressure
- belt stretcher
- tensioner wheel
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention relates to a kind of belt stretcher and vehicles.Belt stretcher of the invention includes tensioner wheel assembly, the tensioner wheel assembly includes pedestal and expansion tightening wheel, belt stretcher further includes the calibration unit for measuring the tensile force of calibration tensioner wheel assembly, and the tensioner wheel assembly is sequentially connected with the driving unit of the tensile force of adjustable tensioner wheel assembly.The tensile force of transmission belt is demarcated by demarcating unit, when calibration result exception, transmission belt tensile force can be adjusted by driving unit, can accurately adjust transmission belt tensioning degree.Vehicle of the invention is equipped with belt stretcher of the invention, can accurately adjust engine conveyer belt tensioning degree.
Description
Technical field
The invention belongs to automobile technical fields, and in particular to a kind of belt stretcher and vehicle.
Background technique
With the continuous expansion of national Urbanization Construction scale, people require to be continuously improved to quality of life.Urban sanitation
The demand of vehicle, especially sweeper and vacuum sweeper rises year by year.The vapour such as compressor, water pump and generator in environmental sanitation vehicles
The power of wheel system part passes through transmission belt and is driven, and the size of transmission belt tensile force not only influences train part bearing
Radial load and service life, and also have larger impact to the noise of train part and vibration.Transmission belt passes through long time running meeting
It relaxes because being worn, needs to adjust its tensile force at any time.Tensioning apparatus used in sweeper and vacuum sweeper currently on the market
It is the jacking position by manually adjusting expansion tightening wheel, realizes the purpose for adjusting transmission belt tensioning degree, such tensioning apparatus is difficult to
Accurate control transmission belt tensioning degree.
Summary of the invention
The purpose of the present invention is to provide the tensioning apparatus that one kind can accurately adjust transmission belt tensile force；The purpose of the present invention
It also resides in and a kind of vehicle that can accurately adjust transmission belt tensioning degree is provided.
To achieve the above object, a kind of technical solution of belt stretcher of the invention is: technical solution 1: Yi Zhongpi
Band tensioning apparatus, including tensioner wheel assembly, the tensioner wheel assembly include pedestal and expansion tightening wheel, tensioning apparatus further includes for surveying
The calibration unit of the tensile force of amount calibration tensioner wheel assembly, the tensioner wheel assembly are sequentially connected with adjustable tensioner wheel assembly
The driving unit of tensile force.The tensile force of transmission belt is demarcated by demarcating unit, when calibration result exception, can be passed through
Transmission belt tensile force is adjusted in driving unit, can accurately adjust transmission belt tensioning degree.
Technical solution 2, on the basis of technical solution 1: the driving unit includes constant pressure driving cylinder.Constant pressure driving cylinder can
It is connected to interior gas source, constant pressure driving purpose can be realized with a low cost, and then reduce belt stretcher cost.
Technical solution 3, on the basis of technical solution 2: the constant pressure driving cylinder is connected with constant pressure generating device, the perseverance
Pressure generating apparatus includes pressure source and the reversal valve that is connected between pressure source and constant pressure driving cylinder.Reversal valve makes constant pressure cylinder
Flexible purpose is achieved that by a set of gas circuit, saves a set of gas circuit.
Technical solution 4, on the basis of technical solution 3: the reversal valve is solenoid valve.Solenoid directional control valve commutation is quickly quasi-
Really, high degree of automation.
Technical solution 5, on the basis of technical solution 3: the upstream of the reversal valve is provided with pressure reducing valve.Pressure reducing valve helps
In making airline pressure be maintained at steady state value.
Technical solution 6, on the basis of any technical solution of technical solution 2 ~ 5: the constant pressure driving cylinder is constant pressure gas
Cylinder.Constant pressure cylinder is driven using air, and air, which obtains, to be easy, and advantageously reduces tensioning apparatus cost.
Technical solution 7, on the basis of 2 ~ 5 any technical solution of technical solution: the calibration unit includes for measuring
The pressure gauge of constant pressure driving cylinder pressure.Pressure gauge is easily installed, at low cost and can directly demarcate airline pressure value.
Technical solution 8, on the basis of 1 ~ 5 any technical solution of technical solution: the expansion tightening wheel passes through linking arm and bottom
Seat connection, linking arm form swing arm with respect to pedestal.The expansion tightening wheel arrangement is simple and easy.
Technical solution 9, on the basis of technical solution 8: the cantilever radially extended is equipped on the balance staff of the linking arm,
Driving unit is sequentially connected by the cantilever and linking arm.Cantilever keeps transmission more steady by balance staff and linking arm transmission connection
It is fixed.
Technical solution 10, on the basis of technical solution 9: the cantilever passes through set thereon connector sleeve and linking arm
Balance staff connection, is equipped with cushion between connector sleeve and balance staff.Cushion, which is conducive to reduce when cantilever is driven to linking arm, to be generated
Vibration.
A kind of technical solution of vehicle of the invention is: technical solution 1: a kind of vehicle, including driving engine belt, hair
For motivation driving belt equipped with belt stretcher, belt stretcher includes tensioner wheel assembly, and the tensioner wheel assembly includes
Pedestal and expansion tightening wheel, tensioning apparatus further include the calibration unit for measuring the tensile force of calibration tensioner wheel assembly, the tensioner
Wheel assembly is sequentially connected with the driving unit of the tensile force of adjustable tensioner wheel assembly.Tensioning by calibration unit to transmission belt
Power is demarcated, and when calibration result exception, can be adjusted by driving unit to transmission belt tensile force, can accurately be adjusted biography
Dynamic band tensioning degree.
Technical solution 2, on the basis of technical solution 1: the driving unit includes constant pressure driving cylinder.Constant pressure driving cylinder can
It is connected to interior gas source, constant pressure driving purpose can be realized with a low cost, and then reduce belt stretcher cost.
Technical solution 3, on the basis of technical solution 2: the constant pressure driving cylinder is connected with constant pressure generating device, the perseverance
Pressure generating apparatus includes pressure source and the reversal valve that is connected between pressure source and constant pressure driving cylinder.Reversal valve makes constant pressure cylinder
Flexible purpose is achieved that by a set of gas circuit, saves a set of gas circuit.
Technical solution 4, on the basis of technical solution 3: the reversal valve is solenoid valve.It is stretched convenient for control constant pressure driving cylinder
Contracting.Solenoid directional control valve commutate quick and precisely, high degree of automation.
Technical solution 5, on the basis of technical solution 3: the upstream of the reversal valve is provided with pressure reducing valve.Pressure reducing valve helps
In making airline pressure be maintained at steady state value.
Technical solution 6, on the basis of any technical solution of technical solution 2 ~ 5: the constant pressure driving cylinder is constant pressure gas
Cylinder.Air is easy to obtain, and advantageously reduces tensioning apparatus cost.Constant pressure cylinder is driven using air, and air, which obtains, to be easy,
Advantageously reduce tensioning apparatus cost.
Technical solution 7, on the basis of 2 ~ 5 any technical solution of technical solution: the calibration unit includes for measuring
The pressure gauge of constant pressure driving cylinder pressure.Registration can be directly read, it is easy to operate.Pressure gauge is easily installed, at low cost and can be direct
Demarcate airline pressure value.
Technical solution 8, on the basis of 1 ~ 5 any technical solution of technical solution: the expansion tightening wheel passes through linking arm and bottom
Seat connection, linking arm form swing arm with respect to pedestal.The expansion tightening wheel arrangement is simple and easy.
Technical solution 9, on the basis of technical solution 8: the cantilever radially extended is equipped on the balance staff of the linking arm,
Driving unit is sequentially connected by the cantilever and linking arm.Cantilever keeps transmission more steady by balance staff and linking arm transmission connection
It is fixed.
Technical solution 10, on the basis of technical solution 9: the cantilever passes through set thereon connector sleeve and linking arm
Balance staff connection, is equipped with cushion between connector sleeve and balance staff.Cushion, which is conducive to reduce when cantilever is driven to linking arm, to be generated
Vibration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the tensioner wheel assembly in the embodiment 1 of vehicle of the invention；
Fig. 2 is the face A-A cross-sectional view in Fig. 1；
Fig. 3 is the working principle diagram of the tensioner wheel assembly in the embodiment 1 of vehicle of the invention；
Fig. 4 is the pneumatic diagram in the embodiment 1 of vehicle of the invention；
Fig. 5 is the structural schematic diagram of the belt stretcher in the embodiment 2 of vehicle of the invention；
Fig. 6 is the structural schematic diagram of the belt stretcher in the embodiment 3 of vehicle of the invention；
In attached drawing: 1, pedestal；2, cantilever；3, connector sleeve；4, cushion；5, linking arm, 6, expansion tightening wheel；7, balance staff；8, bearing；9,
Balance staff；10, pressure source；11, shut-off valve；12, air cleaner；13, pressure reducing valve；14, oil sprayer；15, pressure gauge；16, two
Four-way electromagnetic reversing valve；17, constant pressure cylinder；18, tensioner wheel assembly；19, constant pressure cylinder；20, tensioner wheel assembly；21, constant pressure gas
Cylinder.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of vehicle of the invention, as shown in Figures 1 to 4, a kind of vehicle, including driving engine belt,
Equipped with belt stretcher on driving engine belt, belt stretcher includes tensioner wheel assembly, and tensioner wheel assembly includes
Pedestal 1 and expansion tightening wheel 6.It is set in the lower flat plate of pedestal 1 there are two the connecting hole that is connect with vehicle frame, is welded between two connecting holes
It is vertically arranged plate, the upper end of plate is equipped with mounting hole.First rotating unit is installed on pedestal 1.First rotating unit packet
The balance staff 7 being fixedly connected with pedestal 1 is included, the balance staff 7 between two pedestals 1 is cuboid structure, is fixedly connected on balance staff 7
Cushion 4, cushion 4 are hollow cuboid structure.Cushion 4 and balance staff 7 are interference fitted, and design in this way is conducive to cushion
4 are tightly fastened with balance staff 7.Cushion 4 is externally connected to connector sleeve 3, and connector sleeve 3 is hollow rectangular cylinder.The periphery of connector sleeve 3
Middle face is fixedly connected with cantilever 2, there is the fixation hole being cooperatively connected with connector sleeve 3 on cantilever 2, and fixation hole is 2 interlaced
The rectangular opening matched with connector sleeve 3,2 interlaced rectangle fixation holes can make cantilever 2 and 3 multi-angle of rectangle connector sleeve
Secure fit, this fixation hole, which is conducive to 6 component of expansion tightening wheel when installation space is narrow, still can successfully install.Second rotating unit
Including expansion tightening wheel 6,6 center of expansion tightening wheel through balance staff 9 is connected with, bearing 8, expansion tightening wheel 6 are installed between expansion tightening wheel 6 and balance staff 9
It can be rotated alone respectively with balance staff 9.There are two bearings 8, the both ends that balance staff 9 is connect with expansion tightening wheel 6 is mounted on, in other embodiments
In can also be one.First rotating unit is connect with the second rotating unit by linking arm 5, and linking arm 5 is two.Linking arm 5
It is welded on the balance staff 7 of the first rotating unit, the separate one end being connect with the first rotating unit of linking arm 5 and the second rotating unit
Balance staff 9 connect, linking arm 5 relative to pedestal 1 formed swing arm.One end that linking arm 5 is connect with the second rotating unit is welded with
Fixed block, fixed block are connect with the balance staff 9 of the second rotating unit, can limit the rotation of balance staff 9.
Belt stretcher further includes the calibration unit and and tensioner for measuring the tensile force of calibration tensioner wheel assembly
The driving unit of the tensile force of the adjustable tensioner wheel assembly of wheel assembly transmission connection.Driving unit includes constant pressure cylinder 17,
It can also be constant pressure fluid cylinder in other embodiments.Constant pressure cylinder is connect with the cantilever drive in tensioner wheel assembly.Constant pressure cylinder 17 connects
It is connected to constant pressure generating device, constant pressure generating device includes pressure source 10 and is connected between pressure source 10 and constant pressure driving cylinder
Two-position four-way solenoid directional control valve 16 can also be other types reversal valve in other embodiments.Two-position four-way solenoid directional control valve 16
Pressure reducing valve 13 is connected between pressure source 10.Shut-off valve 11 is installed on the pipeline that pressure source 10 is connect with pressure reducing valve 13.Subtract
Air cleaner 12 is installed on the pipeline that pressure valve 13 is connect with shut-off valve 11.Pressure reducing valve 13 and two-position four-way solenoid directional control valve 16
Oil sprayer 14 is installed, oil sprayer 14 can be lubricated gas oil spray to constant pressure cylinder, guarantee permanent on the pipeline of connection
Air cylinder uses steadily in the long term.Calibration unit is pressure gauge 15, and pressure gauge 15 is connected to two-position four-way solenoid directional control valve 16 and oil
Between day with fog 14.
The control principle of tensioning apparatus in vehicle of the invention: pass through the constant pressure gas shown on calibration cell pressure table 15
Cylinder pressure size P realizes that the tensioning degree of transmission belt is measured in digitlization；17 pressure of constant pressure cylinder is driven by 13 pairs of pressure reducing valve
Control, carrys out the tensioning degree of automation control transmission belt.
The relaxation of transmission belt tensioning degree is adjusted:
In the case that transmission belt tensioning degree excessively relaxes, i.e., belt tension is less than required pressure P, obtains electromagnet DT1
Electricity, two-position four-way solenoid directional control valve 16 change left position into, and gas changes 16 by two-position four-way electromagnetism and enters constant pressure cylinder 17M to valve
End generates pressure P1 at the constant pressure end cylinder 17M, and P1 size can be adjusted by pressure reducing valve 13.Constant pressure cylinder 17 is driven at this time
It adjusting downwards, drives cantilever 2, cantilever 2 is rotated counterclockwise by connector sleeve 3 and 4 transmission belt movable pendulum axis 7 of cushion and linking arm 5,
Expansion tightening wheel 6 is pressed adjacent to transmission belt direction, until pressure P1 is equal to required pressure P.
Transmission belt tensioning degree tension is adjusted:
In the case where transmission belt tensioning degree tension, i.e., belt tension is greater than required pressure P, obtains electromagnet DT1 electric, and two
Position four-way electromagnetic reversing valve 16 changes right position into, and gas enters the end constant pressure cylinder 17N by two-position four-way solenoid directional control valve 16, in perseverance
The end air cylinder 17N generates pressure P2, and P2 size can be adjusted by pressure reducing valve 13.Constant pressure cylinder 17 is adjusted up, and driving is outstanding
Arm 2, cantilever 2 are rotated clockwise by connector sleeve 3 and 4 transmission belt movable pendulum axis 7 of cushion and linking arm 5, and expansion tightening wheel 6 is to far from biography
Band direction is sent to move, until pressure P2 is equal to required pressure P.
The specific embodiment 2 of vehicle of the invention, as shown in figure 5, difference from Example 1 is tensioner wheel assembly 18
It is no longer equipped with cantilever, connector sleeve and cushion, linking arm is connected on pedestal by balance staff, and linking arm is separate to be connect with pedestal
One end expansion tightening wheel is connected with by balance staff, constant cylinder 19 is connect with linking arm, and constant cylinder is located at tensioner wheel assembly 18
Oblique upper, other are same as Example 1, repeat no more.
The specific embodiment 3 of vehicle of the invention, as shown in fig. 6, difference from Example 2 is 21, constant cylinder
In the obliquely downward of tensioner wheel assembly 20, other are same as Example 2, repeat no more.
Air cleaner, oil sprayer in above-described embodiment can also be not provided with.
Belt stretcher of the invention is identical as the belt stretcher structure in the vehicle in above-described embodiment, no longer
It repeats.
Claims (10)
1. a kind of belt stretcher, including tensioner wheel assembly, the tensioner wheel assembly includes pedestal and expansion tightening wheel, and feature exists
In: belt stretcher further includes the calibration unit for measuring the tensile force of calibration tensioner wheel assembly, the tensioner wheel assembly
It is sequentially connected with the driving unit of the tensile force of adjustable tensioner wheel assembly.
2. belt stretcher according to claim 1, it is characterised in that: the driving unit includes constant pressure driving cylinder.
3. belt stretcher according to claim 2, it is characterised in that: the constant pressure driving cylinder is connected with constant pressure
Device, the constant pressure generating device include pressure source and the reversal valve that is connected between pressure source and constant pressure driving cylinder.
4. belt stretcher according to claim 3, it is characterised in that: the reversal valve is solenoid valve.
5. belt stretcher according to claim 3, it is characterised in that: the upstream of the reversal valve is provided with decompression
Valve.
6. according to the described in any item belt stretchers of claim 2-5, it is characterised in that: the constant pressure driving cylinder is constant pressure
Cylinder.
7. according to the described in any item belt stretchers of claim 2-5, it is characterised in that: the calibration unit includes being used for
Measure the pressure gauge of constant pressure driving cylinder pressure.
8. belt stretcher according to claim 1-5, it is characterised in that: the expansion tightening wheel passes through linking arm
It is connect with pedestal, linking arm forms swing arm with respect to pedestal.
9. belt stretcher according to claim 8, it is characterised in that: the balance staff of the linking arm is equipped with radially
The cantilever of extension, driving unit are sequentially connected by the cantilever and linking arm.
10. a kind of vehicle, including driving engine belt, driving engine belt is equipped with belt stretcher, belt tension
Device includes tensioner wheel assembly, and the tensioner wheel assembly includes pedestal and expansion tightening wheel, it is characterised in that: belt stretcher also wraps
The calibration unit of the tensile force for measuring calibration tensioner wheel assembly is included, the tensioner wheel assembly is sequentially connected with adjustable tensioner
The driving unit of the tensile force of wheel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993735.2A CN109695678A (en) | 2017-10-23 | 2017-10-23 | A kind of belt stretcher and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993735.2A CN109695678A (en) | 2017-10-23 | 2017-10-23 | A kind of belt stretcher and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109695678A true CN109695678A (en) | 2019-04-30 |
Family
ID=66226175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710993735.2A Pending CN109695678A (en) | 2017-10-23 | 2017-10-23 | A kind of belt stretcher and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109695678A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4464146A (en) * | 1982-05-17 | 1984-08-07 | Imperial Clevite Inc. | Apparatus for maintaining tension of an endless drive member |
| CN203560373U (en) * | 2013-11-28 | 2014-04-23 | 千野测控设备（昆山）有限公司 | Tension-adjustable belt driving mechanism |
| CN104565246A (en) * | 2014-12-16 | 2015-04-29 | 浙江四方集团公司 | Automatic tractor belt tension controller |
| CN106246839A (en) * | 2016-08-11 | 2016-12-21 | 青岛同辉汽车技术有限公司 | A kind of novel pavement cleaning Vehicle blower belt automatic takeup |
| CN106594206A (en) * | 2016-12-30 | 2017-04-26 | 沃得重工(中国)有限公司 | Linkage tensioning device for conveying belt |
| CN106704503A (en) * | 2015-07-16 | 2017-05-24 | 勇猛机械股份有限公司 | Walking transmission tensioning device |
| CN107131266A (en) * | 2017-06-30 | 2017-09-05 | 洛阳慕畅传动科技有限公司 | A kind of automatically tensioning type PTO |
| CN206491008U (en) * | 2016-12-08 | 2017-09-15 | 新疆新研牧神科技有限公司 | Clutch belt auto-tensioning system and grain combine based on electrichydraulic control |
-
2017
- 2017-10-23 CN CN201710993735.2A patent/CN109695678A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4464146A (en) * | 1982-05-17 | 1984-08-07 | Imperial Clevite Inc. | Apparatus for maintaining tension of an endless drive member |
| CN203560373U (en) * | 2013-11-28 | 2014-04-23 | 千野测控设备（昆山）有限公司 | Tension-adjustable belt driving mechanism |
| CN104565246A (en) * | 2014-12-16 | 2015-04-29 | 浙江四方集团公司 | Automatic tractor belt tension controller |
| CN106704503A (en) * | 2015-07-16 | 2017-05-24 | 勇猛机械股份有限公司 | Walking transmission tensioning device |
| CN106246839A (en) * | 2016-08-11 | 2016-12-21 | 青岛同辉汽车技术有限公司 | A kind of novel pavement cleaning Vehicle blower belt automatic takeup |
| CN206491008U (en) * | 2016-12-08 | 2017-09-15 | 新疆新研牧神科技有限公司 | Clutch belt auto-tensioning system and grain combine based on electrichydraulic control |
| CN106594206A (en) * | 2016-12-30 | 2017-04-26 | 沃得重工(中国)有限公司 | Linkage tensioning device for conveying belt |
| CN107131266A (en) * | 2017-06-30 | 2017-09-05 | 洛阳慕畅传动科技有限公司 | A kind of automatically tensioning type PTO |
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Application publication date: 20190430 |