CN103277266B - Barring gear - Google Patents
Barring gear Download PDFInfo
- Publication number
- CN103277266B CN103277266B CN201310213374.7A CN201310213374A CN103277266B CN 103277266 B CN103277266 B CN 103277266B CN 201310213374 A CN201310213374 A CN 201310213374A CN 103277266 B CN103277266 B CN 103277266B
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- nut
- swivel joint
- leading screw
- support beam
- barring gear
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- 238000010248 power generation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 22
- 239000010959 steel Substances 0.000 description 22
- 239000004677 Nylon Substances 0.000 description 13
- 229920001778 nylon Polymers 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 244000144985 peep Species 0.000 description 5
- 230000003292 diminished effect Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- Y02E10/722—
Abstract
The invention provides a barring device, relates to the technical field of wind power generation, and solves the problem that a fan is easily restricted by environmental wind power during barring. The barring device comprises a lead screw, wherein one end of the lead screw is slidably sleeved with a first rotating joint, and the first rotating joint is fixed on a stator of a generator in a fan; the other end of the screw rod is fixed on a rotor of a generator in the fan; the screw rod is further in threaded connection with a first nut and a second nut, and the first nut and the second nut are located on two sides of the first rotating joint. The invention is suitable for a 1.5 megawatt direct-drive wind generating set.
Description
Technical field
The present invention relates to technical field of wind power generation, particularly relate to a kind of barring gear.
Background technique
Wind power generating set is called for short blower fan, and Fig. 1 shows a kind of structural representation of blower fan.This blower fan comprises pylon 11, and pylon 11 is provided with cabin 12, and cabin 12 is provided with generator 13, and generator 13 is connected with impeller 14, and impeller 14 is made up of blade 141 and wheel hub 142.Wherein, cabin 12 is also provided with skylight 121.Staff in cabin 12 can carry out the operations such as maintenance by 121 pairs, skylight impeller 14.
When debugging or safeguard the impeller 14 in blower fan, for ease of operator's operation, need the locking position of impeller 14.Because impeller 14 position of convenient operation human users only has a few place, therefore usually all need impeller 14 is rotated, when impeller 14 rotates to suitable position, then be locked.Wherein, the process making impeller 14 rotate is called jiggering.
At present, the method for the jiggering of blower fan relies on ambient wind to blow blade 141, impeller 14 rotated, when impeller 14 rotates to the position that can be locked, by its locking position.But, at environment calm or act on wind-force on blade 141 less time, impeller 14 cannot rotate, and causing cannot jiggering.Therefore, the restriction easily by ambient wind during blower fan jiggering.
Summary of the invention
Embodiments of the invention provide a kind of barring gear, are easily subject to the problem of ambient wind restriction during to solve impeller of blower jiggering.
For achieving the above object, embodiments of the invention adopt following technological scheme:
A kind of barring gear, comprise leading screw, one end of described leading screw is arranged with the first swivel joint slidably, and described first swivel joint is fixed on the stator of generator in blower fan; The other end of described leading screw is fixed on the rotor of generator in blower fan; On described leading screw, also scyewed joint has the first nut and the second nut, and described first nut and the second nut are positioned at the both sides of described first swivel joint.
Wherein, the other end of described leading screw is also arranged with the second swivel joint slidably, and on described leading screw, also scyewed joint has the 3rd nut and the 4th nut, and described 3rd nut and the 4th nut are positioned at the both sides of described second swivel joint.
For making the end face of the first nut and the second nut better against the first swivel joint, described first rotates on the body that connects, and the surface contacted with described second nut with described first nut is all set to plane; For making the end face of the 3rd nut and the 4th nut better against the second swivel joint, on the body of described second swivel joint, the surface contacted with described 4th nut with described 3rd nut is all set to plane.
Preferably, the body of described first swivel joint is provided with the first cylinder connection portion; The body of described second swivel joint is provided with the second cylinder connection portion.
Wherein, the diameter in described first cylinder connection portion is less than the maximum outside diameter of the body of described first swivel joint; The diameter in described second cylinder connection portion is less than the maximum outside diameter of the body of described second swivel joint.
In blower fan generator stator on fix the insufficient space in the first cylinder connection portion, described barring gear also comprises the arm-tie be fixedly connected with the first cylinder connection portion.
For the ease of being fixed by the stator of generator in arm-tie and blower fan, described barring gear also comprises the support beam be fixedly connected with arm-tie.
Preferably, described arm-tie is provided with hole, wears described support beam in described hole.
In order to reduce or eliminate the gap between support beam and air duct hole, when being placed on by described support beam in the air duct hole in blower fan, between described support beam and air duct hole, be provided with elasticity voussoir.
Or when being placed on by described support beam in the air duct hole in blower fan, described support beam wears bolt, on described bolt, scyewed joint has wing nut.
When the barring gear using the embodiment of the present invention to provide carries out blower fan jiggering, first swivel joint can be connected with the stator of the generator in blower fan, leading screw not installed described one end of first swivel joint and be fixedly connected with the rotor of generator, distance between the fixed end of adjusting screw and the first swivel joint can become large by rotating the first nut, make the rotor turns of the push-jump generator of leading screw, thus make vane rotary; Or can the distance between the fixed end of adjusting screw and the first swivel joint be diminished by rotation second nut, make leading screw draw the rotor turns forwarding motor, thus make vane rotary.Therefore jiggering can be carried out by this barring gear to blower fan, and not by the restriction of ambient wind.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of blower fan of the prior art;
Schematic diagram when a kind of barring gear that Fig. 2 a provides for the embodiment of the present invention and blower fan assemble;
Fig. 2 b is the enlarged view of part A in Fig. 2 a;
The structural representation of a kind of barring gear that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the another kind of barring gear that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is the schematic diagram when barring gear shown in Fig. 4 and blower fan assemble.
Reference character: 11-pylon, 12-cabin, 13-generator, 14-impeller, 141-blade, 142-wheel hub, 121-skylight, 21-first swivel joint, 211-first through hole, 22-leading screw, 23-first nut, 24-second nut, 25-impeller, 26-generator, 261-stator, 262-rotor, 31-second swivel joint, 311-second through hole, 33-the 3rd nut, 34-the 4th nut, 41-plane, 42-second cylinder connection portion, 43-first cylinder connection portion, 44-support beam, 441-wing nut, 442-bolt, 45-nylon voussoir, 46-arm-tie, 47-position-limitting pin, 48-hole, 51-peep hole, 52-air duct hole, hole, 53-cabin.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
In an embodiment of the present invention, be understandable that, term " first ", " second ", " the 3rd ", " the 4th " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with the similar terms such as " first ", " second ".
Shown in Fig. 2 a and Fig. 2 b, the barring gear that the embodiment of the present invention provides comprises leading screw 22, one end of leading screw 22 is arranged with the first swivel joint 21 slidably, first swivel joint 21 is fixed on the stator 261 of generator 26 in blower fan, and the other end of leading screw 22 is fixed on the rotor 262 of generator 26 in blower fan.The first through hole 211 that such as the first swivel joint 21 is provided with by its body is set on leading screw 22 slidably, and on leading screw 22, scyewed joint first nut 23 and the second nut 24, first nut 23 and the second nut 24 are positioned at the both sides of the first swivel joint 21.
See Fig. 2 a and Fig. 2 b, when needing adjustment or safeguard the impeller 25 in blower fan, this barring gear can be adopted.Particularly, the first swivel joint 21 can be fixedly connected with the stator 261 of the generator 26 in blower fan, the other end 221 of leading screw 22 is fixedly connected with the rotor 262 of generator 26.
If want to make impeller 25 clockwise direction rotate, then can rotate the second nut 24 makes its fixed end to leading screw 22 (one end be fixedly connected with rotor 262) move, when the second nut 24 is against the first swivel joint 21, continuing rotation second nut 24 makes it still move to the fixed end of leading screw 22, along with the fixed end of the second nut 24 to leading screw 22 moves, leading screw 22 will slide in the first through hole 211, distance between first swivel joint 21 of leading screw 22 and fixed end is diminished gradually, draw the rotor 262 forwarding motor 26 to be rotated in a clockwise direction simultaneously, thus reach the object of blower fan jiggering.Further, when impeller 25 rotates to the position of convenient operation human users, stop the rotation the second nut 24, and now, the second nut 24 can by the locking position of impeller 25.
If want to make impeller 25 counterclockwise rotate, then can rotate the first nut 23 makes it move to the direction that the fixed end with leading screw 22 deviates from, when the first nut 23 is against the first swivel joint 21, continuing rotation first nut 23 makes its direction continuing to deviate to the fixed end with leading screw 22 move, along with the motion of the first nut 23, leading screw 22 will slide in the first through hole 211, the distance between the fixed end of leading screw 22 and the first swivel joint 21 is made to become large gradually, the rotor 262 of push-jump generating 26 simultaneously rotates in the counterclockwise direction, thus to reach the object of blower fan jiggering.Further, when impeller 25 rotates to the position of convenient operation human users, stop the rotation the first nut 23, and now, the first nut 23 can by the locking position of impeller 25.
The embodiment of the present invention provides in barring gear, owing to the distance between the fixed end of adjusting screw 22 and the first swivel joint 21 can be become large or diminishing by rotation first nut 23 or the second nut 24, make leading screw 22 push-jump or draw and forward the rotor 262 of motor 26 and rotate, thus impeller 25 is rotated.Therefore jiggering can be carried out by this barring gear to blower fan, and not by the restriction of ambient wind.
In the barring gear that above-described embodiment provides, also can be the first swivel joint 21 is fixedly connected with the rotor 262 of generator 26, the other end 221 of leading screw 22 is fixedly connected with the stator 261 of generator 26, adopt the principle of jiggering during above-mentioned barring gear constant, be all push-jump by leading screw 22 or draw and forward the object that the rotor 262 of motor 26 rotates to reach blower fan jiggering, working procedure is similar, therefore repeats no more.
See Fig. 3, in the barring gear that above-described embodiment provides, the other end 221 of leading screw 22 is also arranged with the second swivel joint 31 slidably, the second through hole 311 that such as the second swivel joint 31 is provided with by its body is set on leading screw 22 slidably, on leading screw 22, also scyewed joint has the 3rd nut 33 and the 4th nut the 34, three nut 33 and the 4th nut 34 to be positioned at the both sides of the second swivel joint 31.Similar with the first swivel joint 21, on the rotor 262 that the second swivel joint 31 also can be fixed on generator 26 or stator 261.And: both the second swivel joint 31 can be fixed with leading screw 22, carry out jiggering by the first swivel joint 21; Also the first swivel joint 21 can be fixed with leading screw 22, carry out jiggering by the second swivel joint 31; Jiggering can also be carried out by the first swivel joint 21 and the second swivel joint 31 simultaneously, now, first nut 23 and the second nut 24 not against during the first swivel joint 21 and the 3rd nut 33 and the 4th nut 34 not against the second swivel joint 31 time, therefore leading screw 22 can move between the first swivel joint 21 and the second swivel joint 31, and can by leading screw 22 from the first swivel joint 21 and the dismounting of the second swivel joint 31.
Such as, when blower fan needs jiggering, the 3rd nut 33 of the second swivel joint 31 both sides and the 4th nut 34 all can be screwed to against the second swivel joint 31, the second swivel joint 31 is fixed with leading screw 22.Then carry out jiggering, this jiggering process is identical with the process only comprising the first swivel joint 21 in above-mentioned barring gear.
First nut 23 of the first swivel joint 21 both sides and the second nut 24 all can also be screwed to against the first swivel joint 21, the first swivel joint 21 is fixed with leading screw 22.If want to make impeller 25 clockwise direction rotate, then can rotate the 3rd nut 33 makes it to the motion near the first swivel joint 21, when the 3rd nut 33 is against the second swivel joint 31, continuing rotation the 3rd nut 33 makes it still move near the direction of the first swivel joint 21, along with the 3rd nut 33 moves near the direction of the first swivel joint 21, leading screw 22 will slide in the second through hole 311, distance between second swivel joint 31 and the first swivel joint 21 is diminished gradually, draw the rotor 262 forwarding motor 26 to be rotated in a clockwise direction simultaneously, thus reach the object of blower fan jiggering.Further, when impeller 25 rotates to the position of convenient operation human users, stop the rotation the 3rd nut 33, and now, the 3rd nut 33 can by the locking position of impeller 25.
If want to make impeller 25 counterclockwise rotate, then can rotate the 4th nut 34 makes it move to the direction away from the first swivel joint 21, when the 4th nut 34 is against the second swivel joint 31, continuing rotation the 4th nut 34 makes it continue to move to the direction away from the first swivel joint 31, along with the motion of the 4th nut 34, leading screw 22 will slide in the second through hole 311, distance between first swivel joint 21 and the second swivel joint 31 becomes large gradually, the rotor 262 of push-jump generator 26 rotates in the counterclockwise direction simultaneously, thus reaches the object of blower fan jiggering.Further, when impeller 25 rotates to the position of convenient operation human users, stop the rotation the 4th nut 34, and now, the 4th nut 34 can by the locking position of impeller 25.
See Fig. 4 and Fig. 5, in the barring gear that above-described embodiment provides, on the body of the first swivel joint 21, the surface contacted with the second nut 24 with the first nut 23 is all set to plane 41, the first nut 23 and the second nut 24 can be made accurately to be resisted against in the plane 41 of the first swivel joint 21 body, to make the end face of the first nut 23 and the second nut 24 better against the first swivel joint 21.On the body of the second swivel joint 31, the surface contacted with the 4th nut 34 with the 3rd nut 33 is all set to plane 41, the 3rd nut 33 and the 4th nut 34 can be made accurately to be resisted against in the plane 41 of the body of the second swivel joint 31, to make the end face of the 3rd nut 33 and the 4th nut 34 better against the second swivel joint 31.
In the barring gear that above-described embodiment provides, the body of the first swivel joint 21 can be provided with the first cylinder connection portion 43, for the stator 261 of the first swivel joint 21 and generator 26 or rotor 262 being connected.Such as the first cylinder connection portion 43 can be inserted in the peep hole 51 on the rotor 262 of generator 26 in the blower fan of 1.5 MW class, thus the position of the first swivel joint 21 is fixed.Especially when this blower fan jiggering, along with the length of the leading screw 22 between the first swivel joint 21 and the second swivel joint 31 changes, the rotor 262 of generator 26 rotates, leading screw 22 also can change with the angle of vertical direction, surface due to the first cylinder connection portion 43 is circular arc, be conducive to the first swivel joint 21 to rotate relative to peep hole 51, thus when making the variable angle of leading screw 22 and vertical direction, resistance reduces.
Similarly, the body of the second swivel joint 31 can be provided with the second cylinder connection portion 42; For the stator 261 of the second swivel joint 31 and generator 26 or rotor 262 are connected.Such as the second cylinder connection portion 42 is inserted in the air duct hole 52 on the stator 261 of generator 26 in the blower fan of 1.5 MW class, thus the position of the second swivel joint 31 is fixed.Especially when this blower fan jiggering, length with the leading screw 22 between the first swivel joint 21 and the second swivel joint 31 changes, the rotor 262 of generator 26 rotates, leading screw 22 also can change with the angle of vertical direction, surface due to the second cylinder connection portion 42 is circular arc, the second cylinder connection portion 42 that is conducive to rotates relative to air duct hole 52, thus when making the variable angle of leading screw 22 and vertical direction, resistance reduces.
In the various embodiments of the invention, only the first cylinder connection portion 43 can be provided with on the body of the first swivel joint 21, or only the second cylinder connection portion 42 can be provided with on the body of the second swivel joint 31.Certainly, also both can be provided with the first cylinder connection portion 43 on the body of the first swivel joint 21, on the body of the second swivel joint 31, be provided with the second cylinder connection portion 42 again.
Preferably, the diameter in the first cylinder connection portion 43 can be less than the maximum outside diameter of the body of the first swivel joint 21.The diameter dimension in the first cylinder connection portion 43 can be designed to just mate with the size of peep hole 51.When the first cylinder connection portion 43 being inserted in the peep hole 51 on the rotor 262 of generator 26, first cylinder connection portion 43 is installed with just in peep hole 51, diameter due to the first cylinder connection portion 43 is less than the maximum outside diameter of the body of the first swivel joint 21, therefore the rotor 262 of generator 26 surface can against or away from the surface of the first swivel joint 21, make leading screw 22 not with the surface contact of generator 26, thus avoid leading screw 22 and the surface contact of generator 26 to cause leading screw 22 and generator 26 collide or rub impaired.
Preferably, the diameter in the second cylinder connection portion 42 can be less than the maximum outside diameter of the body of the second swivel joint 31.The diameter dimension in the second cylinder connection portion 42 can be designed to just mate with the size of air duct hole 52.When the second cylinder connection portion 42 being inserted in the air duct hole 52 on the stator 261 of generator 26, second cylinder connection portion 42 is installed with just in air duct hole 52, diameter due to the second cylinder connection portion 42 is less than the maximum outside diameter of the body of the second swivel joint 31, therefore the stator 261 of generator 26 surface can against or away from the surface of the second swivel joint 31, make leading screw 22 not with the surface contact of generator 26, thus avoid leading screw 22 and the surface contact of generator 26 to cause leading screw 22 and generator 26 collide or rub impaired.
See Fig. 4, the arm-tie 46 be fixedly connected with the first cylinder connection portion 43 in the barring gear that above-described embodiment provides, can also be comprised.Because the area of arm-tie 46 is comparatively large, there is the enough spaces be connected with the first cylinder connection portion 43, thus the problem of the insufficient space that the stator 261 of generator 26 can be arranged the first cylinder connection portion 43 can be avoided.
Can be such as that the first cylinder connection portion 43 is removably connected with arm-tie 46, by arranging outside thread in the first cylinder connection portion 43, offer the through hole mated with the first cylinder connection portion 43 on arm-tie 46, first cylinder connection portion 43 is inserted in this through hole, coordinated with the outside thread in the first cylinder connection portion 43 by nut again, the first cylinder connection portion 43 is fixedly connected with arm-tie 46.
When blower fan jiggering, arm-tie 46 can be fixedly connected with the stator 261 of generator in blower fan 26.Particularly, can relatively larger by the area design of arm-tie 46, make arm-tie 46 have larger area of contact with the stator 261 in generator 26, so just can offer tapped hole at arm-tie 46 and stator 261 surface of contact, to wear bolt, thus arm-tie 46 is fixedly connected with stator 261.The tapped hole of small diameter, a greater number can be offered, to strengthen the fixed effect of arm-tie 46 and stator 261.
See Fig. 4 and Fig. 5, the support beam 44 be fixedly connected with arm-tie 46 in the barring gear that above-described embodiment provides, can also be comprised, support beam 44 can be arranged perpendicular to arm-tie 46.Such as, support beam 44 and arm-tie 46 are welded to connect.It is firm, firm to be welded to connect, and what can make to be connected between arm-tie 46 with support beam 44 is comparatively reliable.Deng in the air duct hole 52 support beam 44 can inserted during blower fan jiggering on the stator 261 of generator 26 in blower fan.Thus conveniently arm-tie 46 is fixedly connected with the stator 261 of generator 26.
Preferably, arm-tie 46 can be provided with hole 48, in this hole, wear support beam 44.Deviate from from the hole 48 arm-tie 46 to prevent support beam 44, position-limitting pin 47 can be worn on support beam 44, when support beam 44 is inserted in air duct hole 52, make that position-limitting pin 47 one end penetrates in support beam 44, the other end is resisted against in the one side of arm-tie 46, such position-limitting pin 47 can prevent arm-tie 46 and support beam 44 from departing from.
See Fig. 4 and Fig. 5, in the barring gear that above-described embodiment provides, when being placed on by support beam 44 in the air duct hole 52 in blower fan, between support beam 44 and air duct hole 52, be provided with elasticity voussoir.Should be clear, this elasticity voussoir can be the voussoir of nylon voussoir, rubber voussoir or other materials.Below for elasticity voussoir for nylon voussoir 45, be described in detail.
In 1.5 Megawatt fans of the prior art generator 26 stator 261 on the cross section of air duct hole 52 be similar to trapezoidal.When support beam 44 is placed in air duct hole 52, gap may be had between support beam 44 and air duct hole 52, so nylon voussoir 45 can be arranged on the both sides of support beam 44, thus the gap of eliminating between support beam 44 both sides and air duct hole 52, and then avoid support beam 44 in air duct hole 52, produce the phenomenon of rocking.
Certainly, also can all arrange nylon voussoir 45 in the both sides of support beam 44 with up and down, so not only can eliminate the gap between support beam 44 and air duct hole 52 from upper and lower and orientation, left and right, low support beam 44 of avoiding rocks in air duct hole 52 more.
In addition, nylon voussoir 45 also has the effect of buffering, shock-absorbing, can play the effect of protection to support beam 44.
Wherein, support beam 44 can be I-steel.I-steel intensity is high, good rigidly, structural stability, and load bearing effect is good.Certainly, support beam 44 is not limited to I-steel, the other materials that also can be known to the skilled person.Such as H profile steel, channel-section steel, round steel and various steel pipes etc.
Deviate from from air duct hole 52 to prevent nylon voussoir 45, strengthen the fixed effect of nylon voussoir 45 further, nylon voussoir 45 can be arranged on the side that two of I-steel are relative, and start tapped hole in the contacting point of I-steel and nylon voussoir 45, by bolt, nylon voussoir 45 is removably fixedly connected with I-steel.
Refer again to Fig. 4 and Fig. 5, in the barring gear that above-described embodiment provides, when being placed on by support beam 44 in the air duct hole 52 in blower fan, can wear bolt 442 on support beam 44, on bolt 442, scyewed joint has wing nut 441.When being placed in air duct hole 52 by support beam 44, between support beam 44 and air duct hole 52, gap may be had, still to adopt I-steel as support beam 44.So scyewed joint can there be is the bolt 442 of wing nut 441 to be located on the side of I-steel, then operator can one hold bolt 442, another hand-screw converting to butterfly shape nut 441, wing nut 441 is made to press closer the surface of I-steel, along with wing nut 441 continues to press closer I-steel, I-steel can be made to move to the direction deviating from bolt 442 head, thus the distance between bolt 442 head and I-steel becomes large, until the head of bolt 442 is resisted against on the inwall of air duct hole 52, stop the rotation wing nut 441.Because this eliminating the gap between I-steel and air duct hole 52, I-steel is avoided to rock in air duct hole 52.
Certainly, also the bolt 442 that scyewed joint has wing nut 441 can be worn in the both sides of I-steel and above-below direction, the gap between I-steel and air duct hole 52 can be eliminated like this from upper and lower and orientation, left and right, avoid support beam 44 to rock in air duct hole 52 greatly.
Preferably, with bolts on two sides in the orientation, left and right of I-steel have two nylon voussoirs 45, and the orientation up and down of I-steel wears the bolt 442 that scyewed joint has wing nut 441.Such nylon voussoir 45 and wing bolt 442, wing nut 441 are with the use of, better effects if.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a barring gear, is characterized in that, comprises leading screw, and one end of described leading screw is arranged with the first swivel joint slidably, and described first swivel joint is fixed on the stator of generator in blower fan; The other end of described leading screw is fixed on the rotor of generator in blower fan; On described leading screw, also scyewed joint has the first nut and the second nut, and described first nut and the second nut are positioned at the both sides of described first swivel joint.
2. barring gear according to claim 1, it is characterized in that, the other end of described leading screw is also arranged with the second swivel joint slidably, and on described leading screw, also scyewed joint has the 3rd nut and the 4th nut, and described 3rd nut and the 4th nut are positioned at the both sides of described second swivel joint.
3. barring gear according to claim 2, is characterized in that, on the body of described first swivel joint, the surface contacted with described second nut with described first nut is all set to plane; On the body of described second swivel joint, the surface contacted with described 4th nut with described 3rd nut is all set to plane.
4. barring gear according to claim 2, is characterized in that, the body of described first swivel joint is provided with the first cylinder connection portion; The body of described second swivel joint is provided with the second cylinder connection portion.
5. barring gear according to claim 4, is characterized in that, the diameter in described first cylinder connection portion is less than the maximum outside diameter of the body of described first swivel joint; The diameter in described second cylinder connection portion is less than the maximum outside diameter of the body of described second swivel joint.
6. barring gear according to claim 4, is characterized in that, also comprises the arm-tie be fixedly connected with the first cylinder connection portion.
7. barring gear according to claim 6, is characterized in that, also comprises the support beam be fixedly connected with arm-tie.
8. barring gear according to claim 7, is characterized in that, described arm-tie is provided with hole, wears described support beam in described hole.
9. barring gear according to claim 7, is characterized in that, when in the air duct hole described support beam being placed on blower fan, is provided with elasticity voussoir between described support beam and air duct hole.
10. barring gear according to claim 7, is characterized in that, when in the air duct hole described support beam being placed on blower fan, described support beam wears bolt, and on described bolt, scyewed joint has wing nut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310213374.7A CN103277266B (en) | 2013-05-31 | 2013-05-31 | Barring gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310213374.7A CN103277266B (en) | 2013-05-31 | 2013-05-31 | Barring gear |
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| CN103277266A CN103277266A (en) | 2013-09-04 |
| CN103277266B true CN103277266B (en) | 2015-06-03 |
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| CN201310213374.7A Active CN103277266B (en) | 2013-05-31 | 2013-05-31 | Barring gear |
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| CN104507800B (en) * | 2014-06-26 | 2016-08-31 | 深圳市大疆创新科技有限公司 | Morphing aircraft |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10334448A1 (en) * | 2003-07-29 | 2005-02-24 | Renk Ag | Wind power unit has a rotor to drive a generator and an additional drive to turn the drive element to a given angle |
| EP1659286A1 (en) * | 2004-11-18 | 2006-05-24 | Eickhoff Maschinenfabrik GmbH | Turning device for a wind generator power train |
| CN101598106A (en) * | 2008-05-06 | 2009-12-09 | 再生动力系统股份公司 | The location of the rotor of wind energy plant |
| CN201592417U (en) * | 2010-01-22 | 2010-09-29 | 王永康 | Special tool for wind wheel installation |
| CN102182647A (en) * | 2011-04-27 | 2011-09-14 | 华小平 | Jigger positioning device of large direct-drive wind-power permanent magnet power generation set |
| CN203257611U (en) * | 2013-05-31 | 2013-10-30 | 北京金风科创风电设备有限公司 | Turning gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004013624A1 (en) * | 2004-03-19 | 2005-10-06 | Sb Contractor A/S | Method for operating a wind turbine and wind turbine |
-
2013
- 2013-05-31 CN CN201310213374.7A patent/CN103277266B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10334448A1 (en) * | 2003-07-29 | 2005-02-24 | Renk Ag | Wind power unit has a rotor to drive a generator and an additional drive to turn the drive element to a given angle |
| EP1659286A1 (en) * | 2004-11-18 | 2006-05-24 | Eickhoff Maschinenfabrik GmbH | Turning device for a wind generator power train |
| CN101598106A (en) * | 2008-05-06 | 2009-12-09 | 再生动力系统股份公司 | The location of the rotor of wind energy plant |
| CN201592417U (en) * | 2010-01-22 | 2010-09-29 | 王永康 | Special tool for wind wheel installation |
| CN102182647A (en) * | 2011-04-27 | 2011-09-14 | 华小平 | Jigger positioning device of large direct-drive wind-power permanent magnet power generation set |
| CN203257611U (en) * | 2013-05-31 | 2013-10-30 | 北京金风科创风电设备有限公司 | Turning gear |
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