CN106149746A - A kind of blower foundation inclined-plane levelling device and blower fan tower barrel - Google Patents
A kind of blower foundation inclined-plane levelling device and blower fan tower barrel Download PDFInfo
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- CN106149746A CN106149746A CN201610509325.1A CN201610509325A CN106149746A CN 106149746 A CN106149746 A CN 106149746A CN 201610509325 A CN201610509325 A CN 201610509325A CN 106149746 A CN106149746 A CN 106149746A
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- connecting base
- seat
- upper connecting
- blower foundation
- plane
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of blower foundation inclined-plane levelling device and blower fan tower barrel, levelling device includes the upper connecting base being sequentially connected, middle connection seat and lower connecting base, upper connecting base rotating support connects on seat in centre, the middle seat rotating support that connects is on lower connecting base, the initial position of the end face of upper connecting base and the middle bottom surface connecting seat is parallel to each other, the bottom surface of upper connecting base is the inclined-plane of the end face α at an acute angle of relative upper connecting base, the middle inclined-plane that end face is the relatively middle bottom surface α at an acute angle connecting seat connecting seat；Blower fan tower barrel includes tower body and blower foundation, and the blower foundation platform of blower foundation is provided with aforesaid blower foundation inclined-plane levelling device, and tower body passes through the levelling device supporting and fixing of blower foundation inclined-plane on blower foundation platform.The present invention has a leveling that can realize maximum 2 times of sharp angle α in 360 degree of orientation, simple in construction, easy to operate, positioning precision is high, leveling efficiency high, can be when blower foundation be installed and the advantage that all can realize the fine leveling of blower foundation after installation.
Description
Technical field
The present invention relates to wind generating technology, be specifically related to a kind of blower foundation inclined-plane levelling device and blower fan tower barrel.
Background technology
At present, blower foundation leveling uses following several version mostly:
1, land blower foundation, marine gravity foundation all use steel base ring by multiple jack or screw rod leveling
After, grouting is fixing.
2, offshore pile base structure is installed and leveling: by the levelling device such as spacer shell and jack (single pile), or pass through
Special pile chuck and levelling device leveling (many pile leaders frame), and it is fixing to be in the milk.
Number of patent application is that the Chinese patent literature of CN201220644826 discloses one and verts supporting, verts and contracts
Include outer ring, inner ring, steel ball, sealing strip, have inclined races between interior Shang Quan and interior lower circle, the water between inclined races and Internal and external cycle
Flat raceway α in an acute angle, steel ball is positioned at raceway.But, this technical scheme has the disadvantage in that
1) need to customize the pivoting support of band special gradient raceway, cost is high；
2) the biggest ultimate bending moment can not be born to carry；
3) leveling direction is a fixing direction, it is impossible to for the requirement of blower foundation leveling 360 degree；
4) cannot be used for the leveling of blower foundation.
Summary of the invention
The technical problem to be solved in the present invention: for the problems referred to above of prior art, it is provided that one can be real in 360 degree of orientation
The leveling of existing maximum 2 times of sharp angle α, simple in construction, easy to operate, positioning precision is high, leveling efficiency high, can pacify at blower foundation
During dress and all can realize blower foundation inclined-plane levelling device and the blower fan tower barrel of the fine leveling of blower foundation after installation.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
The present invention provides a kind of blower foundation inclined-plane levelling device, including the upper connecting base being sequentially connected, middle connection seat
And lower connecting base, described upper connecting base rotating support connects on seat in centre, and the described middle seat rotating support that connects is in lower connection
On seat, the end face of described upper connecting base and the middle bottom surface connecting seat are parallel to each other at initial position, the end of described upper connecting base
Face is the inclined-plane of the end face α at an acute angle of relative upper connecting base, and the described middle end face connecting seat is the relatively middle end connecting seat
The inclined-plane of face α at an acute angle.
Preferably, described sharp angle α is less than the friction self-locking angle between the bottom surface of upper connecting base, the middle end face connecting seat.
Preferably, described upper connecting base end face, middle connect the bottom surface of seat, lower connecting base end face all at initial position
Horizontally disposed.
Preferably, the relatively middle seat that connects of described upper connecting base has an initial rotation angle, in described upper connecting base phase
When centre connection seat is turned to initial rotation angle, the bottom surface of the end face of described upper connecting base and middle connection seat is the most flat
OK；And at the relatively middle seat that connects of described upper connecting base after initial rotation angle is rotated further by 180 °, the top of described upper connecting base
The twice that angle is sharp angle α between face and the middle bottom surface connecting seat.
Preferably, described upper connecting base by the first pivoting support assembly rotating support in centre connect seat end face on,
The rotary shaft axis of described first pivoting support assembly is perpendicular to the bottom surface of upper connecting base and the middle end face connecting seat；Described
Centre connects seat by the second pivoting support assembly rotating support on the end face of lower connecting base, described second pivoting support assembly
Rotary shaft axis be perpendicular to the middle bottom surface connecting seat and the end face of upper connecting base.
Preferably, described first pivoting support assembly includes the first pivoting support and for driving the of the first pivoting support
One drive mechanism, described upper connecting base connects on seat by the first pivoting support rotating support in centre, and described first drives machine
Structure is installed on upper connecting base or middle connection seat；Described second pivoting support assembly includes the second pivoting support and for driving
Second drive mechanism of the second pivoting support, the described middle seat that connects passes through the second pivoting support rotating support in lower connecting base
On, described second drive mechanism is installed in middle connection on seat or lower connecting base.
Preferably, described first drive mechanism and the second drive mechanism are hydraulic jack；Or, described first drive mechanism
Being motor drive mechanism with the second drive mechanism, described motor drive mechanism includes motor and reductor, the output of described motor
End drives the first pivoting support or the second pivoting support by reductor.
Preferably, present invention additionally comprises obliquity sensor and control unit, described obliquity sensor is located on upper connecting base,
The outfan of described obliquity sensor is connected with control unit, the outfan of described control unit and the first drive mechanism, second
Drive mechanism is connected.
Preferably, described upper connecting base, middle connection seat, lower connecting base are cylindrical structure.
The present invention also provides for a kind of blower fan tower barrel, including tower body and blower foundation, the blower fan base of described blower foundation
Plinth platform is provided with aforesaid blower foundation inclined-plane levelling device, and described tower body is propped up by blower foundation inclined-plane levelling device
Hold and be fixed on blower foundation platform.
The present invention has an advantage that
1, the upper connecting base that the present invention includes being sequentially connected, middle seat and the lower connecting base of connecting, the end face of upper connecting base and
The middle bottom surface connecting seat is parallel to each other, and the middle seat rotating support that connects is on lower connecting base, it is achieved that the most rotatable
Connecting base structure, it is possible to achieve the revolution of two intersecting axis, simple in construction, easy to operate, can accurate in 360 degree of orientation
Leveling positions.
2, the present invention includes the upper connecting base being sequentially connected, middle connection seat and lower connecting base, upper connecting base rotating support
Connecting in centre on seat, the end face of upper connecting base and the middle bottom surface connecting seat are parallel to each other, and the bottom surface of described upper connecting base is
The relatively inclined-plane of the end face α at an acute angle of upper connecting base, described in the middle of connect the end face of seat be relatively in the middle of connect the bottom surface of seat in
The inclined-plane of sharp angle α, therefore regulates upper connecting base, the middle turned position connected between seat, can realize maximum 2 times of sharp angle α
Leveling.
3, the present invention includes the upper connecting base being sequentially connected, middle connection seat and lower connecting base, by upper connecting base, centre
Connect seat and rotating against of lower connecting base realizes leveling, on the one hand can be by uniform for the amplitude of the leveling of maximum 2 times of sharp angle α
Be distributed to upper connecting base, middle 360 degree rotation connected between seat, simultaneously can also be by middle connection seat, lower connecting base
Between 360 degree of rotations adjust the incline direction of upper connecting base end face, there is advantage easy to operate, that positioning precision is high.
4, the present invention can realize the leveling of blower foundation inclined-plane, is not required to use the structural member such as spacer shell, foundation ring, is not required to mix
Solidifying soil second pouring, significantly improves leveling efficiency, not only can carry out fine leveling when blower foundation is installed, when after assembling
The differential settlement of blower foundation such as occurs during use, still can carry out leveling very easily such that it is able to ensure blower fan
Installation and the required precision of use.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the embodiment of the present invention one view in initial rotation angle.
Fig. 3 is the embodiment of the present invention one view after upper connecting base initial rotation angular turn 180 °.
Fig. 4 be the embodiment of the present invention one after upper connecting base initial rotation angular turn 180 °, centre is connected seat continue
View after rotating 180 °.
Fig. 5 is the blower fan tower barrel structural representation of the application embodiment of the present invention one.
Fig. 6 is the structural representation of the embodiment of the present invention two.
Fig. 7 is the blower fan tower barrel structural representation of the application embodiment of the present invention two.
Description of reference numerals:
1, upper connecting base；2, middle connection seat；3, lower connecting base；4, the first pivoting support assembly；41, the first revolution
Hold；42, the first drive mechanism；5, the second pivoting support assembly；51, the second pivoting support；52, the second drive mechanism；6, tower
Body；7, blower foundation；71, blower foundation platform.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment one:
As it is shown in figure 1, the blower foundation inclined-plane levelling device of the present embodiment includes upper connecting base 1, the centre being sequentially connected
Connecting seat 2 and lower connecting base 3, upper connecting base 1 rotating support connects on seat 2 in centre, and middle seat 2 rotating support that connects is in lower company
On joint chair 3, the end face of upper connecting base 1 and the middle bottom surface connecting seat 2 are parallel to each other at initial position, the bottom surface of upper connecting base 1
For the inclined-plane of the end face α at an acute angle of relative upper connecting base 1, middle connect seat 2 end face be relatively in the middle of connect the bottom surface of seat 2 in
The inclined-plane of sharp angle α.The present embodiment achieves can revolving between any two of upper connecting base 1, middle connection seat 2 and lower connecting base 3 three
The connecting base structure turned, it is possible to achieve the revolution of two intersecting axis, simple in construction, easy to operate, can be in the standard in 360 degree of orientation
Really leveling location.And by upper connecting base 1, the middle relative revolution connected between seat 2, the tune of maximum 2 times of sharp angle α can be realized
Flat；Meanwhile, by upper connecting base 1, middle connect seat 2, rotating against of lower connecting base 3 realizes leveling, on the one hand can be by
The amplitude of the leveling of maximum 2 times of sharp angle α is evenly dispersed into upper connecting base 1, the middle 360 degree of rotations connected between seat 2, simultaneously
360 degree of rotations between seat 2, lower connecting base 3 can also be connected by centre and adjust the incline direction of upper connecting base 1 end face,
There is advantage easy to operate, that positioning precision is high.
In the present embodiment, sharp angle α is less than the friction self-locking between the bottom surface of upper connecting base 1, the middle end face connecting seat 2
Angle, is arranged by above-mentioned angle, it is possible to make upper connecting base 1, the middle supporting structure connected between seat 2 more reliable and more stable,
The better reliability when supporting wind-force tower.
In the present embodiment, the end face of upper connecting base 1, middle the connection bottom surface of seat 2, the most horizontal cloth of end face of lower connecting base 3
Put.
In the present embodiment, the relatively middle seat 2 that connects of upper connecting base 1 has an initial rotation angle, relative at upper connecting base 1
When middle connection seat 2 turns to initial rotation angle, the end face of upper connecting base 1 and the middle bottom surface connecting seat 2 are parallel to each other, as
Shown in Fig. 2；And at the relatively middle seat 2 that connects of upper connecting base 1 after initial rotation angle is rotated further by 180 °, the top of upper connecting base 1
The twice that angle is sharp angle α between face and the middle bottom surface connecting seat 2, as shown in Figure 3；Now connect seat 2 phase in the middle of regulation
Rotational angle to lower connecting base 3, can make the angle of inclination (twice of sharp angle α) of the end face of upper connecting base 1 at 360 ° of models
Enclose interior rotation, such as when in the middle of regulation, the rotational angle of the connection relative lower connecting base 3 of seat 2 is 180 °, the end face of upper connecting base 1
Angle of inclination is from left pivot movement to right side, as shown in Figure 4.
In the present embodiment, upper connecting base 1 connects the end face of seat 2 by the first pivoting support assembly 4 rotating support in centre
On, the rotary shaft axis of the first pivoting support assembly 4 is perpendicular to the bottom surface of upper connecting base 1 and the middle end face connecting seat 2；In
Between connect seat 2 by the second pivoting support assembly 5 rotating support on the end face of lower connecting base 3, the second pivoting support assembly 5
Rotary shaft axis is perpendicular to the middle bottom surface connecting seat 2 and the end face of upper connecting base 1.By the first pivoting support assembly 4,
The layout of two-revolution bearing assembly 5, it is possible to realize upper connecting base 1, between middle connection seat 2 and lower connecting base 3, rotation is automatic
Adjusting, regulated efficiency is higher, and can adjust upper connecting base 1 more easily, between middle connection seat 2 and lower connecting base 3
The angle rotated, therefore higher relative to Adjustment precision for manual setting, leveling efficiency can be significantly improved, and precision is high, because of
This has practical value and application prospect widely.
In the present embodiment, the first pivoting support assembly 4 includes the first pivoting support 41 and for driving the first pivoting support
First drive mechanism 42 of 41, upper connecting base 1 is connected on seat 2 in centre by the first pivoting support 41 rotating support, and first drives
Motivation structure 42 is installed on upper connecting base 1；Second pivoting support assembly 5 includes the second pivoting support 51 and for driving second time
Turning the second drive mechanism 52 of supporting 51, centre connects seat 2 by the second pivoting support 51 rotating support on lower connecting base 3,
Second drive mechanism 52 is installed on lower connecting base 3.When first pivoting support the 41, second pivoting support 51 turns to required angle
After, i.e. may utilize the first drive mechanism 42 and drive the first pivoting support 41 to lock, drive second time by the second drive mechanism 52
Turn supporting 51 locking, upper connecting base 1, middle connection seat 2 and lower connecting base 3 can be locked in ad-hoc location, the most permissible
The most further between upper connecting base 1, middle connection seat 2, and middle connection increases auxiliary between seat 2, lower connecting base 3
Locking device is helped to lock.
In the present embodiment, first pivoting support the 41, second pivoting support 51 all uses the universal rotary of three row's raceways to support,
Can be big by ultimate bending moment load, easy to make.Owing to upper connecting base 1 is connected in centre by the first pivoting support 41 rotating support
On seat 2, the bottom surface of upper connecting base 1 is the inclined-plane of the end face α at an acute angle of relative upper connecting base 1, and the middle end face connecting seat 2 is phase
Centre connects the inclined-plane of the bottom surface α at an acute angle of seat 2, and therefore the first pivoting support 41 is the end face of upper connecting base 1, middle connection
The revolute installed is tilted between the end face of seat 2.In the present embodiment, the first drive mechanism 42 and the second drive mechanism 52 are motor
Drive mechanism, motor drive mechanism includes motor and reductor, and the outfan of motor drives the first pivoting support by reductor
41 or second pivoting support 51.Certainly, motor can use hydraulic motor or electro-motor as required, can be real
The now driving to reductor, and then drive the first drive mechanism 42 and the second drive mechanism 52.Except using motor drive mechanism
In addition, it is also possible to use the mode of oil cylinder rubbing to drive the first pivoting support 41 and the second pivoting support 51, now first drive
Motivation structure 42 and the second drive mechanism 52 are then oil cylinder, do not repeat them here.
The present embodiment also includes obliquity sensor and control unit, and obliquity sensor is located on upper connecting base 1, and inclination angle senses
The outfan of device is connected with control unit, and outfan and first drive mechanism 42, second drive mechanism 52 of control unit are connected,
Achieved upper connecting base 1, the middle full-automatic control connecting seat 2, lower connecting base 3 rotation by obliquity sensor and control unit
System, to reach to control leveling angle and the requirement in orientation.
In the present embodiment, upper connecting base 1, middle connection seat 2, lower connecting base 3 are cylindrical structure, therefore turn initial
Cylindrical-shaped structure, beneficially integrated installation can be formed to blower fan tower barrel during dynamic angle.The rotary shaft of the first pivoting support 41
Line is perpendicular to the bottom surface (elliptic plane) of upper connecting base 1, the middle end face (elliptic plane) connecting seat 2 and crosses in plane
The heart；The rotation axis of the second pivoting support 51 is perpendicular to middle the connection bottom surface (circular flat) of seat 2, the end face of lower connecting base 3
(circular flat) also crosses planar central.
As it is shown in figure 5, the blower fan tower barrel of application the present embodiment blower foundation inclined-plane levelling device includes tower body 6 and wind
Machine basis 7, the blower foundation platform 71 of blower foundation 7 is provided with the blower foundation inclined-plane levelling device of the present embodiment, and tower is originally
Body 6 passes through the levelling device supporting and fixing of blower foundation inclined-plane on blower foundation platform 71.In the present embodiment, upper connecting base 1 has
Body is connected with tower body 6 by high-strength bolt, and lower connecting base 3 is connected with blower foundation platform 71 by high-strength bolt.
Embodiment two:
As shown in Figure 6, the present embodiment is essentially identical with embodiment one, and its main difference is: the first drive mechanism 42
Quantity is two, and two the first drive mechanisms 42 are installed on middle connection seat 2 respectively, the reductor of the first drive mechanism 42
It is arranged on the outside of the first pivoting support 41；Second drive mechanism 52 is installed on lower connecting base 3, the i.e. second drive mechanism 52
Reductor is arranged on the outside of the second pivoting support 51；The blower fan tower barrel of application the present embodiment is the most as shown in Figure 7.Certainly,
In addition to the present embodiment and embodiment one, the peace of first drive mechanism the 42, second drive mechanism 52 can be selected as required
Dress quantity, can arbitrarily select the first drive mechanism 42 to be installed on upper connecting base 1 or middle connection seat 2, it is also possible to arbitrarily select
Select and the second drive mechanism 52 is installed in middle connection on seat 2 or lower connecting base 3, do not repeat them here.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a blower foundation inclined-plane levelling device, it is characterised in that: include the upper connecting base (1) being sequentially connected, middle connection
Seat (2) and lower connecting base (3), described upper connecting base (1) rotating support connects on seat (2) in centre, described middle connection seat (2)
Rotating support is on lower connecting base (3), and the end face of described upper connecting base (1) and the middle bottom surface of seat (2) that connects are at initial position
Being parallel to each other, the bottom surface of described upper connecting base (1) is the inclined-plane of the end face α at an acute angle of relative upper connecting base (1), and described centre connects
The end face of joint chair (2) is the inclined-plane of the relatively middle bottom surface α at an acute angle connecting seat (2).
Blower foundation inclined-plane the most according to claim 1 levelling device, it is characterised in that: described sharp angle α is less than upper connection
Friction self-locking angle between the bottom surface of seat (1), the middle end face connecting seat (2).
Blower foundation inclined-plane the most according to claim 1 levelling device, it is characterised in that: the top of described upper connecting base (1)
Face, middle connect the bottom surface of seat (2), lower connecting base (3) end face the most horizontally disposed at initial position.
Blower foundation inclined-plane the most according to claim 1 levelling device, it is characterised in that: described upper connecting base (1) is relative
The middle seat (2) that connects has an initial rotation angle, turns to initially at the relatively middle seat (2) that connects of described upper connecting base (1)
During rotational angle, the end face of described upper connecting base (1) and the middle bottom surface connecting seat (2) are parallel to each other；And connect on described
Seat (1) relatively in the middle of connect seat (2) after initial rotation angle is rotated further by 180 °, the end face of described upper connecting base (1) and centre
Connect the twice that angle is sharp angle α between the bottom surface of seat (2).
Blower foundation inclined-plane the most according to claim 1 levelling device, it is characterised in that: described upper connecting base (1) passes through
First pivoting support assembly (4) rotating support on the end face that centre connects seat (2), described first pivoting support assembly (4)
Rotary shaft axis is perpendicular to the bottom surface of upper connecting base (1) and the middle end face connecting seat (2)；Connect seat (2) in the middle of described to lead to
Cross the second pivoting support assembly (5) rotating support on the end face of lower connecting base (3), described second pivoting support assembly (5)
Rotary shaft axis is perpendicular to the middle bottom surface connecting seat (2) and the end face of upper connecting base (1).
Blower foundation inclined-plane the most according to claim 5 levelling device, it is characterised in that: described first pivoting support assembly
(4) the first pivoting support (41) is included and for driving first drive mechanism (42) of the first pivoting support (41), described upper company
Joint chair (1) connects on seat (2) by the first pivoting support (41) rotating support in centre, and described first drive mechanism (42) is installed
On upper connecting base (1) or middle connection seat (2)；Described second pivoting support assembly (5) include the second pivoting support (51) and
For driving second drive mechanism (52) of the second pivoting support (51), the described middle seat (2) that connects is by the second pivoting support
(51) rotating support is on lower connecting base (3), and described second drive mechanism (52) is installed in middle connection seat (2) or lower connecting base
(3) on.
Blower foundation inclined-plane the most according to claim 6 levelling device, it is characterised in that: described first drive mechanism (42)
It is oil cylinder with the second drive mechanism (52)；Or described first drive mechanism (42) and the second drive mechanism (52) are that motor drives
Mechanism, described motor drive mechanism includes motor and reductor, and the outfan of described motor drives the first revolution by reductor
Supporting (41) or the second pivoting support (51).
Blower foundation inclined-plane the most according to claim 1 levelling device, it is characterised in that: also include obliquity sensor and control
Unit processed, described obliquity sensor is located on upper connecting base (1), and the outfan of described obliquity sensor is connected with control unit,
The outfan of described control unit and the first drive mechanism (42), the second drive mechanism (52) are connected.
Blower foundation inclined-plane the most according to claim 6 levelling device, it is characterised in that: described upper connecting base (1), centre
Connect seat (2), lower connecting base (3) is cylindrical structure.
10. a blower fan tower barrel, including tower body (6) and blower foundation (7), it is characterised in that: described blower foundation (7)
Blower foundation platform (71) is provided with the blower foundation inclined-plane levelling device in claim 1～7 described in any one, described tower
Cylinder body (6) passes through the levelling device supporting and fixing of blower foundation inclined-plane on blower foundation platform (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509325.1A CN106149746B (en) | 2016-06-30 | 2016-06-30 | A kind of blower foundation inclined-plane levelling device and blower fan tower barrel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509325.1A CN106149746B (en) | 2016-06-30 | 2016-06-30 | A kind of blower foundation inclined-plane levelling device and blower fan tower barrel |
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| CN106149746B CN106149746B (en) | 2019-01-25 |
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| CN108343561A (en) * | 2018-04-28 | 2018-07-31 | 河南理工大学 | A kind of goaf place Wind turbines deviation correcting device and its method for correcting error |
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| Publication number | Publication date |
|---|---|
| CN106149746B (en) | 2019-01-25 |
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Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |