CN208364297U - Band wheeled support device, toothed belt pitch-controlled system and wind power generating set - Google Patents
Band wheeled support device, toothed belt pitch-controlled system and wind power generating set Download PDFInfo
- Publication number
- CN208364297U CN208364297U CN201821007523.9U CN201821007523U CN208364297U CN 208364297 U CN208364297 U CN 208364297U CN 201821007523 U CN201821007523 U CN 201821007523U CN 208364297 U CN208364297 U CN 208364297U
- Authority
- CN
- China
- Prior art keywords
- support device
- wheel
- toothed belt
- wheeled support
- driving 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000003319 supportive effect Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 15
- 230000009194 climbing Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model provides a kind of band wheeled support device, toothed belt pitch-controlled system and wind power generating set.The band wheeled support device includes: tension mechanism, and tension mechanism includes driving wheel, expansion tightening wheel and belt wheel supportive body, and belt wheel supportive body supports driving wheel and expansion tightening wheel, and the belt being passed is around driving wheel and expansion tightening wheel and by tensioner；Anti-jump gear mechanism, anti-jump gear mechanism include the bracket being fixed on belt wheel supportive body and rack-mount and opposite with driving wheel elastic parts, elastic parts in the initial state with the distance between driving wheel within a predetermined range.Band wheeled support device according to the present utility model can prevent toothed belt from climbing tooth occurs, jumps tooth, improve toothed belt safety coefficient, reduce the shock loading of the failure probability with wheeled support device and toothed belt pitch-controlled system, ensure the stability and reliability of toothed belt pitch-controlled system in the process of running, to improve the generating efficiency of wind power generating set.
Description
Technical field
The utility model relates to technical field of wind power generation, more particularly, to a kind of change for wind power generating set
Band wheeled support device, toothed belt pitch-controlled system and the wind power generating set with anti-jump tooth function of oar system.
Background technique
Currently, wind generating set pitch control form has gear variable pitch, hydraulic vane change and toothed belt variable pitch.Since toothed belt becomes
Paddle can not only reduce blower vibration, moreover it is possible to realize that pitch-controlled system is non-maintaining, so wind power generating set generallys use toothed belt
Variable pitch.In order to realize performing effectively for toothed belt variable pitch, it will usually by the belt wheel support construction for having driving wheel and expansion tightening wheel
To realize.In this configuration, since wheel space structure limits, driving wheel and expansion tightening wheel be arranged to it is compact so that
Toothed belt pilled-in selvedge and slack list large percentage.Therefore, in toothed belt pitch process, it may appear that toothed belt slack list pretightning force is zero
Situation, and the case where pretightning force is zero, can cause the risk that toothed belt jumps tooth.Slippage phenomenon not only results in toothed belt
Fracture, but also the stationarity of entire pitch-controlled system, reliability can be reduced, reduce the generating efficiency of wind power generating set.
In addition, usually carrying out anti-jump tooth protection by pretightning force in the prior art, toothed belt safety coefficient is not only reduced, together
When give belt wheel support construction increase risk load, thus cause belt wheel support failure.
Therefore, a kind of anti-jump tooth device for being able to solve the above problem is needed now.
Utility model content
In order to solve the above-mentioned technical problem, the utility model, which provides one kind, can prevent toothed belt from climbing tooth occurs, jumps tooth
Toothed belt pitch-controlled system and wind power generating set with wheeled support device and including this with wheeled support device.
The another object of the utility model is to provide a kind of belt wheel support knot of safety coefficient that can be improved toothed belt
Structure and toothed belt pitch-controlled system and wind power generating set including this with wheeled support device.
One side according to the present utility model provides a kind of band wheeled support device, which includes: tensioner machine
Structure, tension mechanism include driving wheel, expansion tightening wheel and belt wheel supportive body, and belt wheel supportive body supports driving wheel and expansion tightening wheel, quilt
The belt of transmitting is around driving wheel and expansion tightening wheel and by tensioner；Anti-jump gear mechanism, anti-jump gear mechanism include being fixed on belt wheel support
Bracket and rack-mount and opposite with driving wheel elastic parts in main body, elastic parts in the initial state with driving
The distance between wheel is within a predetermined range.
Exemplary embodiment according to the present utility model, elastic parts include elastic component and briquetting, the both ends point of elastic component
Bracket and briquetting are not connected to it；Elastic parts is arranged on the side that driving wheel deviates from expansion tightening wheel, and is located at belt and driving wheel
Occur at tangent position.
Exemplary embodiment according to the present utility model, the distance between briquetting and driving wheel are adjustable.
Exemplary embodiment according to the present utility model, bracket are provided with fixed part, and one end of elastic component is fixed to fixation
Portion；Installation part is arranged in the other end of elastic component, and installation part is fixed to briquetting.
Exemplary embodiment according to the present utility model, bracket includes: rack body, plate-like；At least one is first logical
Hole, the thickness direction along rack body run through rack body.Fixed part includes at least one tube-like piece, and tube-like piece is in closed at one end
And the other end has the tubulose of opening, to accommodate and fix one end of elastic component；The fixed part further includes fixed plate, fixed
Plate is fixed on the upper surface of rack body, and including the thickness direction along fixed plate through fixed plate at least one the
Two through-holes, wherein the other end of tube-like piece is connected with the upper surface of fixed plate and keeps opening corresponding with the second through-hole.Its
In, one end of elastic component sequentially passes through first through hole, the second through-hole and opening and is received and is fixed in tube-like piece.
Exemplary embodiment according to the present utility model, the compressive surface in face of driving wheel of briquetting are arcwall face, or
The compressive surface of briquetting is provided with flexible cover sheet or the compressive surface of briquetting is arcwall face and is provided with flexible cover sheet.
Interval is provided between the upper surface of exemplary embodiment according to the present utility model, fixed plate and rack body to adjust
Save part；Alternatively, fixed plate and rack body are connected with each other using stretching structure.
Another aspect according to the present utility model provides a kind of toothed belt pitch-controlled system for wind power generating set, should
Toothed belt pitch-controlled system includes band wheeled support device as described above, this is mounted on the wheel hub of impeller with wheeled support device, on
Stating belt is toothed belt.
Another aspect according to the present utility model provides a kind of wind power generating set, which includes as above
The toothed belt pitch-controlled system.
Band wheeled support device according to the present utility model can not only prevent toothed belt from climbing tooth occurs, jumps tooth, reduce tooth form
Band stretches and shear-type load, improves the safety coefficient of toothed belt, reduces the failure probability with wheeled support device and toothed belt variable pitch
The shock loading of system, it is ensured that the stability and reliability of toothed belt pitch-controlled system in the process of running, to improve wind-force hair
The generating efficiency of motor group.
Detailed description of the invention
The exemplary embodiment of the utility model is described in detail with reference to the accompanying drawing, the utility model above and
Other features and advantage will become clearer, in attached drawing:
Fig. 1 is the structural schematic diagram with wheeled support device of exemplary embodiment according to the present utility model；
Fig. 2 is the decomposition diagram of the anti-jump gear mechanism shown in Fig. 1 with wheeled support device；
Fig. 3 is the operation principle schematic diagram shown in Fig. 1 with wheeled support device；
Fig. 4 is the schematic diagram of the toothed belt system for wind power generating set.
Drawing reference numeral explanation:
10,100: band wheeled support device；110: belt wheel supportive body；111: exposed hole；120: anti-jump gear mechanism；121: branch
Frame；123: elastic component；124: briquetting；126: tube-like piece；127: fixed plate；128: rack body；129: upport installation portion；130:
Floor；131: interval adjusting member；132: hog frame；133: hog frame mounting portion；134: installation part；200: tension mechanism；203:
Toothed belt；201: driving wheel；202: expansion tightening wheel；300: pitch variable bearings.
Specific embodiment
Now with reference to attached drawing a more complete description the embodiments of the present invention, the utility model is shown in the attached drawings
Exemplary embodiment.In the accompanying drawings, for the sake of clarity, can amplifier module shape, size etc..Wherein, identical label
Always show identical component.
It below will be with the tooth form for being applied to wind power generating set with wheeled support device of embodiment according to the present utility model
Be described for band pitch-controlled system, but embodiment according to the present utility model with wheeled support device using without being limited thereto,
It can also be applied to according to the actual situation other and need to realize the equipment of anti-jump tooth function.
Referring to Fig.1, the band wheeled support device 100 of exemplary embodiment according to the present utility model includes tension mechanism 200
With anti-jump gear mechanism 120.Wherein, tension mechanism 200 includes driving wheel 201, expansion tightening wheel 202 and belt wheel supportive body 110, belt wheel
Supportive body 110 supports driving wheel 201 and expansion tightening wheel 202, and the belt being passed (for example, toothed belt 203) bypasses driving wheel 201
With expansion tightening wheel 202 by tensioner.In addition, with also having the shield for blocking driving wheel 201 and expansion tightening wheel 202 on wheeled support device 100
Cover.Anti-jump gear mechanism 120 include the bracket 121 that is fixed on belt wheel supportive body 110 and be mounted on bracket 121 and with driving
Take turns 201 opposite elastic parts, elastic parts in the initial state with the distance between driving wheel 201 within a predetermined range, with
Prevent the toothed belt being supported 203 from climbing tooth occurs or jumps the tooth preset range to be the size and driving wheel 201 according to toothed belt 203
Structure and it is predetermined.
Preferably, the mountable side away from expansion tightening wheel 202 in driving wheel 201 of anti-jump gear mechanism 120, and it is located at tooth form
Occur at tangent position with 203 with driving wheel 201 because for the toothed belt pitch-controlled system for wind power generating set and
Speech is easiest to that the climbing tooth of toothed belt occurs herein or jumps tooth.It 4 why explains referring to the drawings in toothed belt pitch-controlled system
201 side of driving wheel with wheeled support device 100, which is easy to happen, jumps tooth or climbing tooth.
As shown in figure 4, pitch variable bearings 300 pass through the effect of toothed belt 203, realizes and is moved back and forth along a certain central axis,
Wherein, toothed belt 203 from include driving wheel 201, expansion tightening wheel 202 and belt wheel supportive body 110 tension mechanism 200 drive its toward
Multiple movement.For toothed belt pitch-controlled system for wind power generating set before not working, toothed belt 203 has had centainly pre-
Clamp force, and it is greater than zero.During working for the toothed belt pitch-controlled system of wind power generating set, for example, working as 201 inverse time of driving wheel
When needle rotates, the existing toothed belt with 10 right side of wheeled support device is considered as pilled-in selvedge side, the tooth form with 10 left side of wheeled support device
Band is considered as slack list side, and due to the effect of the driving force of driving wheel 201, toothed belt 203 moves from right to left, and slack list side is pre- at this time
Clamp force is likely to occur null situation, thus toothed belt 203 is likely to occur climbing tooth phenomenon, at this time toothed belt 203 and driving wheel
201 are unable to correct engagement, will appear in further rotating and jump tooth situation.
For this purpose, the band wheeled support device 100 in gear band pitch-controlled system using above-mentioned with anti-jump gear mechanism 120, leads to
Cross the jump tooth and climbing tooth that can effectively inhibit gear band pitch-controlled system middle gear band 203 using elastic parts compressing gear band 203.
The exposure for the toothed belt 203 that can have exposure to be supported referring back to Fig. 1, on the shield of belt wheel supportive body 110
Hole 111, anti-jump gear mechanism 120 are mounted at position corresponding with exposed hole 111.Preferably, the size of exposed hole 111 is enough to hold
Receive elastic parts.Exposed hole 111 be also be provided on the shield of belt wheel supportive body 110 to assist the tooth that is supported of installation
The mounting hole of shape band 203, however, the utility model is without being limited thereto, exposed hole 111 is also possible in addition be opened in belt wheel support master
The hole of body 110.In order to enhance the effect of anti-jump tooth, band wheeled support device 100 may include at least one exposed hole 111 and correspond to
The anti-jump gear mechanism 120 of quantity.
Referring to Figures 1 and 2, bracket 121 may include rack body 128, the tabular that rack body 128 can be elongated.
By the way that upport installation portion 129 is fixed to belt wheel supportive body 110, and bracket 121 is securely held to belt wheel supportive body
On 110, to provide load and positioning support for band wheeled support device 100, guarantee the regular event of elastic parts.Here, branch
Frame 121 can be formed separately with belt wheel supportive body 110 and be then connected to together, alternatively, bracket 121 can also be supported with belt wheel
Main body 110 is integrally formed.
Exemplary embodiment according to the present utility model, elastic parts may include elastic component 123 and briquetting 124, elastic component
123 both ends are connected to bracket 121 and briquetting 124.Preferably, bracket 121 is provided with fixed part, and the one of elastic component 123
End is fixed to fixed part.The other end of elastic component 123 is provided with installation part 134, and the other end of elastic component 123 is by by installation part
134 are fixed on briquetting 124 and are connected to briquetting 124.As an example, installation part 134 can be in disk-shaped.Elastic component 123 can
It is elastically supported briquetting 124, to buffer impact force suffered by briquetting 124, while guaranteeing that briquetting 124 remains and driving wheel
The operating position of distance between 201 within a predetermined range.Specifically, when toothed belt 203 will occur to jump tooth or climbing tooth, pressure
Toothed belt 203 is pressed into tooth socket by block 124 under the elastic force effect of elastic component 123, with prevent toothed belt 203 occur to jump tooth or
Climbing tooth.
Fixed part can include: at least one tube-like piece 126, each tube-like piece 126 has in the closed at one end and other end to be opened
The tubular of mouth, tube-like piece 126 is connected to the upper surface of rack body 128, to accommodate and fix one end of elastic component 123.?
In the case that elastic component 123 is set as described above as coil spring, tube-like piece 126 can be cylindrical, to accommodate elastic component 123
One end.
In order to enable tube-like piece 126 is more firmly fixed on rack body 128, fixed part may also include fixed plate 127,
It is fixed on the upper surface of rack body 128, and including running through fixed plate 127 extremely along the thickness direction of fixed plate 127
Few second through-hole, so that elastic component 123 passes through.The other end of tube-like piece 126 is fixed on the upper surface of fixed plate 127
And keep the opening of tube-like piece 126 corresponding with the second through-hole of fixed plate 127.As described above, tube-like piece 126 can be with fixed plate
127 are formed separately and are then secured together, however, the embodiments of the present invention are without being limited thereto, tube-like piece 126 can also be with
Fixed plate 127 is integrally formed.
For the ease of installing elastic component 123, it is also provided at least one first through hole on bracket 121, along rack body
128 thickness direction runs through rack body 128, so that elastic component 123 passes through.In this way, with this configuration, elastic component 123
One end sequentially pass through above-mentioned first through hole, the second through-hole and opening and be received and be fixed to tube-like piece 126 in.As implementation
Example, one end of elastic component 123 can be fixed to the end surfaces of above-mentioned one end of tube-like piece 126.The example shown in fig. 1 and 2
In property embodiment, the quantity of elastic component 123 is shown as three, therefore, tube-like piece 126, the first through hole on bracket 121, fixation
The quantity of the second through-hole on plate 127 is three, however, the exemplary embodiment of the utility model is without being limited thereto, as long as making
Tube-like piece 126, the first through hole on bracket 121, the quantity of the second through-hole in fixed plate 127 and the quantity phase of elastic component 123
Correspondence.
Exemplary embodiment according to the present utility model, elastic component 123 may include at least one spring, at least one spring
It is set as an at least row according to predetermined space, and every row may include at least one spring.It shows in Fig. 1 and Fig. 2 comprising three
A spring and it is set as a row, however, the quantity of spring shown in the accompanying drawings and arrangement number of rows are merely illustrative, the utility model
Embodiment is without being limited thereto, and those skilled in the art can reasonably change according to the width of toothed belt 203 and the size of exposed hole 111
Become the quantity and arrangement number of rows of spring.
Exemplary embodiment according to the present utility model, it is preferable that spiral compressed spring can be used as elastic component
123, however the utility model is without being limited thereto, and elastic component 123 can also be used as using other types of spring.Preferably, bullet
Spring can be stainless steel spring, but the embodiments of the present invention are without being limited thereto, and spring is also possible to rubber spring, as long as its energy
Enough elastic force is provided.
Toothed belt 203 and different pulley structures for different type and specification, should adjust effective work of elastic parts
With distance.For the ease of adjusting the distance between elastic parts and driving wheel 201, so that elastic parts is in unstressed state
Under (that is, nature or free state) with the distance between driving wheel 201 within preset range, it is preferable that elastic group
The distance between briquetting 124 in part and driving wheel 201 are set as adjustable, to adapt to different toothed belt 203 and belt wheel
Structure.
Make it to adjust the distance between elastic parts (specifically, the briquetting 124 in elastic parts) and driving wheel 201
Under elastic parts unstressed state within preset range, an exemplary embodiment according to the present utility model, Gu
Interval adjusting member 131 is also provided between fixed board 127 and the upper surface of rack body 128, to adjust elastic parts and driving
The distance between wheel 201, to change EFFECTIVE RANGE between briquetting 124 and driving wheel 201.As an example, interval is adjusted
Part 131 may include at least one gasket.However, the embodiments of the present invention are without being limited thereto, according to other embodiments, fixed plate
127 can be connected with rack body 128 using stretching structure.For example, being formed with slot in rack body 128, formed in fixed plate 127
By the installation that can be slided in the slot and the pre-position in slot can be fixed on by the modes such as engaging, being bolted
Portion.According to another exemplary embodiment, it can set telescopic for fixed plate 127, for example, fixed plate 127 may include having
The structure of telescoping section.
Exemplary embodiment according to the present utility model, in order to reduce friction and the guarantor between briquetting 124 and toothed belt 203
Toothed belt 203 is protected, the compressive surface in face of driving wheel 201 of briquetting 124 is set as arcwall face.For example, the cross section of briquetting 124
It can semicircular in shape.However, the utility model is without being limited thereto, the means that other reduce friction can also be used to realize above-mentioned purpose,
For example, the compressive surface of briquetting 124 is provided with flexible cover sheet.It, can in order to further protect toothed belt 203 injury-free
Flexible cover sheet is also covered while setting arcwall face for the compressive surface of briquetting 124.Flexible cover sheet can be used such as
The materials such as polyurethane or rubber are made, as long as it has the function of that certain flexibility can play protection toothed belt 203.
In order to enhance the rigidity of bracket 121, band wheeled support device 100 may also include floor 130.In order to which floor 130 is arranged,
Bracket 121 may also include upport installation portion 129, both ends and rack body 128 on the length direction of rack body 128
It is vertically arranged, and is formed as the plate being generally u-shaped.Floor 130 be located at the both ends on the length direction of rack body 128 and
It is vertically arranged with rack body 128 and upport installation portion 129.Here, floor 130 can be formed separately with bracket 121 and
After connect together, alternatively, floor 130 can be integrally formed with bracket 121.
In order to further enhance the rigidity of bracket 121, band wheeled support device 100 may also include hog frame 132, hog frame
132 are fixed in upport installation portion 129 in the top of tube-like piece 126, the generally L-shaped plate of hog frame 132 and in hog frame
Both ends on 132 length direction are provided with the hog frame mounting portion 133 for being combined with bracket 121.As an example, hog frame
Mounting portion 133 is formed as the plate being generally u-shaped.It is then connect here, hog frame 132 can be formed separately with bracket 121
To together, alternatively, hog frame 132 can be integrally formed with bracket 121.
It in the present specification, can be by welding manner or the fastener assembly including bolt, nuts and washers etc.
Connection type realizes fixation and/or connection between two components of any of the above.
That exemplary embodiment according to the present utility model is described in detail below with reference to Fig. 3 is used for wind power generating set
The working principle with wheeled support device 100 of pitch-controlled system.
Wind is fixed on the band wheeled support device 100 of exemplary embodiment according to the present utility model to be bolted
After on the wheel hub of the impeller of power generator group, when driving wheel 201 revolves counterclockwise (direction A as shown in Figure 3)
When turning, there is null situation in the pretightning force of 203 slack list side of toothed belt, and climbing tooth sign occurs in toothed belt 203, at this time briquetting
124 are just adjacent to state with the holding of toothed belt 203, and toothed belt 203 occurs under the influence of climbing tooth acts on along briquetting 124 and tooth form
Normal direction ascendant trend with 203 tangent lines, briquetting 124 rise with it, and elastic component 123 first shrinks slow under the effect of briquetting 124
Punching is then acted on the energy absorbed on briquetting 124, and then be transmitted to toothed belt with absorbing energy in the form of elastic force
On 203, toothed belt 203 is sent back into correct mesh regional, to prevent toothed belt 203 from climbing tooth occurs or jump tooth.
Therefore, band wheeled support device 100 according to the present utility model has at least the following advantages: on the one hand, belt wheel support
Device 100 can guarantee toothed belt 203 and 201 correct engagement of driving wheel, fundamentally prevent toothed belt 203 and climbing tooth or jump occurs
Tooth.On the other hand, the buffering and absorption of the elastic component 123 as included by the anti-jump gear mechanism 120 with wheeled support device 100
With release energy effect, not only guarantee anti-jump gear mechanism 120 be not hit load damage, also reduction toothed belt 203 stretching and
Shear-type load improves the safety coefficient of toothed belt 203, extends the service life of toothed belt 203；Belt wheel support dress is also reduced simultaneously
100 failure probability is set, the reliability with wheeled support device 100 is improved；In addition, also reducing the shake of entire toothed belt pitch-controlled system
It is dynamic, risk caused by avoiding because of vibration, so that it is guaranteed that the stability and reliability of toothed belt pitch-controlled system in the process of running.
Another exemplary embodiment according to the present utility model provides a kind of toothed belt variable pitch for wind power generating set
System, the toothed belt pitch-controlled system include band wheeled support device 100, this is mounted on the wheel hub 204 of impeller with wheeled support device 100
On.
Another exemplary embodiment according to the present utility model provides a kind of wind power generating set, the wind power generating set
Including above-mentioned pitch-controlled system.
It is suitable for the pitch drive system of each megawatt of (MW) grade wind driven generator unit with wheeled support device 100, has with complete machine
There is identical ambient adaptability, can effectively overcome the problems, such as that existing wind power generating set toothed belt occurs climbing tooth or jumps tooth, thus
Efficiently the output torque of pitch motor is reliably transmitted in toothed belt 203, is accurately transferred to become by toothed belt 203
Paddle shaft holds 300, so that 300 impeller high-efficiency operation of pitch variable bearings is realized, to improve the generating efficiency of wind power generating set.
Although specifically illustrating and describing the utility model referring to the exemplary embodiment of the utility model, this
Field those of ordinary skill is not it should be understood that the case where departing from the spirit and scope of the utility model being defined by the claims
Under, the various changes of form and details can be carried out to it.
Claims (9)
1. a kind of band wheeled support device, the band wheeled support device (100) includes tension mechanism (200), the tension mechanism
It (200) include driving wheel (201), expansion tightening wheel (202) and belt wheel supportive body (110), belt wheel supportive body (110) support
Driving wheel (201) and expansion tightening wheel (202), the belt being passed around the driving wheel (201) and the expansion tightening wheel (202) and by
Tensioner, which is characterized in that the band wheeled support device (100) further include:
Anti-jump gear mechanism (120), the anti-jump gear mechanism (120) include the branch being fixed on the belt wheel supportive body (110)
Frame (121) and it is mounted on the elastic parts opposite on the bracket (121) and with the driving wheel (201), the elastic parts
In the initial state within a predetermined range with the distance between the driving wheel (201).
2. band wheeled support device as described in claim 1, which is characterized in that the elastic parts include elastic component (123) and
The both ends of briquetting (124), the elastic component (123) are connected to the bracket (121) and the briquetting (124)；The bullet
Property component be arranged on side that the driving wheel (201) deviate from the expansion tightening wheel (202), and be located at the belt and the drive
Driving wheel (201) occurs at tangent position.
3. band wheeled support device as claimed in claim 2, which is characterized in that the briquetting (124) and the driving wheel (201)
The distance between be adjustable.
4. band wheeled support device as claimed in claim 2, which is characterized in that the bracket (121) is provided with fixed part, described
One end of elastic component (123) is fixed to the fixed part；Installation part (134) are arranged in the other end of the elastic component (123), and
The installation part (134) is fixed to the briquetting (124).
5. band wheeled support device as claimed in claim 4, which is characterized in that
The bracket (121) includes: rack body (128), plate-like；At least one first through hole, along the rack body
(128) thickness direction runs through the rack body (128), and
The fixed part includes: at least one tube-like piece (126), and the tube-like piece (126) has in the closed at one end and other end
The tubulose of opening, to accommodate and fix described one end of the elastic component (123)；
The fixed part further include: fixed plate (127), the fixed plate (127) are fixed on the upper table of the rack body (128)
On face, and including the thickness direction along the fixed plate (127) through the fixed plate (127) at least one is second logical
Hole, wherein the other end of the tube-like piece (126) be connected with the upper surface of the fixed plate (127) and make it is described opening with
Second through-hole is corresponding,
Wherein, described one end of the elastic component (123) sequentially passes through the first through hole, second through-hole and the opening
And it is received and is fixed in the tube-like piece (126).
6. the band wheeled support device as described in any one of claim 2-4, which is characterized in that briquetting (124) face
The compressive surface of the driving wheel (201) is the flexible guarantor of compressive surface setting of arcwall face or the briquetting (124)
The compressive surface of sheath or the briquetting (124) is arcwall face and is provided with flexible cover sheet.
7. band wheeled support device as claimed in claim 5, which is characterized in that the fixed plate (127) and the rack body
(128) interval adjusting member (131) are provided between upper surface；Alternatively, the fixed plate (127) and the rack body
(128) it is connected with each other using stretching structure.
8. a kind of toothed belt pitch-controlled system for wind power generating set, which is characterized in that the toothed belt pitch-controlled system includes
Such as band wheeled support device (100) of any of claims 1-7, the band wheeled support device (100) is mounted on impeller
Wheel hub (204) on, the belt is toothed belt (203).
9. a kind of wind power generating set, which is characterized in that the wind power generating set includes toothed belt as claimed in claim 8
Pitch-controlled system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007523.9U CN208364297U (en) | 2018-06-27 | 2018-06-27 | Band wheeled support device, toothed belt pitch-controlled system and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007523.9U CN208364297U (en) | 2018-06-27 | 2018-06-27 | Band wheeled support device, toothed belt pitch-controlled system and wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364297U true CN208364297U (en) | 2019-01-11 |
Family
ID=64927386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821007523.9U Active CN208364297U (en) | 2018-06-27 | 2018-06-27 | Band wheeled support device, toothed belt pitch-controlled system and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364297U (en) |
-
2018
- 2018-06-27 CN CN201821007523.9U patent/CN208364297U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112012017272B1 (en) | TENSIONER | |
| WO2008074866A3 (en) | A wind turbine comprising a torsional vibration absorber | |
| CN208364297U (en) | Band wheeled support device, toothed belt pitch-controlled system and wind power generating set | |
| CN208294711U (en) | Band wheeled support device, toothed belt pitch-controlled system and wind power generating set | |
| JP6611281B2 (en) | Belt drive mechanism | |
| CN101634273A (en) | Expandable cable support for wind turbine | |
| US4424796A (en) | Wind-powered heat-generating apparatus | |
| ATE359958T1 (en) | HELICOPTER ROTOR WITH A VIBRATION DAMPER | |
| CN208703043U (en) | Band wheeled support device, toothed belt pitch-controlled system and wind power generating set | |
| CN204227592U (en) | A kind of driving swelling device and rotary dehumidifier thereof | |
| CN211038910U (en) | Tooth-shaped belt variable pitch driving device, variable pitch system and wind generating set | |
| CN210440537U (en) | Belt wheel supporting device, toothed belt variable pitch system and wind generating set | |
| CN209645060U (en) | A kind of the instrument retarder and device system of surgical operation auxiliary robot | |
| CN204239064U (en) | Diesel engine belt transmission wheel series | |
| JP5689698B2 (en) | Crank mechanism for swinging the blower | |
| CN202094587U (en) | Cable tensioning device and stacking machine provided with cable tensioning device | |
| CN207554275U (en) | The blade limit damper and wind power generating set of wind power generating set | |
| CN209783900U (en) | Chain tensioner dynamic simulation test mechanism | |
| CN213063730U (en) | Fixing structure of new energy automobile tail pipe | |
| CN209285721U (en) | A kind of surgical operation auxiliary robot instrument retarder, power packages and device system | |
| GB2579586A (en) | Tensioning of belt drives | |
| JP2020012443A (en) | Blower guard and connection mechanism for fixing motor | |
| CN213839440U (en) | Chain tensioning device | |
| CN204060923U (en) | A kind of electricity generating device of driven by engine | |
| CN215257660U (en) | Tensioning mechanism and power device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |