CN110714475A - Positioning device for foundation anchor bolt piece of wind driven generator - Google Patents

Positioning device for foundation anchor bolt piece of wind driven generator Download PDF

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Publication number
CN110714475A
CN110714475A CN201910979324.7A CN201910979324A CN110714475A CN 110714475 A CN110714475 A CN 110714475A CN 201910979324 A CN201910979324 A CN 201910979324A CN 110714475 A CN110714475 A CN 110714475A
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CN
China
Prior art keywords
piece
positioning
anchor bolt
telescopic connecting
central
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910979324.7A
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Chinese (zh)
Inventor
张博峰
颜昌琪
武恒涛
孙怀平
刘红涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Baoye Group Corp Ltd
Original Assignee
Shanghai Baoye Group Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Baoye Group Corp Ltd filed Critical Shanghai Baoye Group Corp Ltd
Priority to CN201910979324.7A priority Critical patent/CN110714475A/en
Publication of CN110714475A publication Critical patent/CN110714475A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • E02D27/425Foundations for poles, masts or chimneys specially adapted for wind motors masts

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a positioning device for a foundation anchor bolt piece of a wind driven generator, which comprises a central piece, a positioning rod and a positioning rod, wherein the central piece is used for being vertical to the ground; the leveling assembly comprises a positioning piece and a telescopic connecting piece which can stretch out and draw back along the length direction of the leveling assembly, one end of the telescopic connecting piece is fixed with the central piece, the other end of the telescopic connecting piece is hinged with the positioning piece, and the positioning piece is used for being placed on an anchor bolt plate of the anchor bolt piece to level; the angle measuring device is used for measuring angles between the telescopic connecting piece and the central piece and between the telescopic connecting piece and the positioning piece. The device is simple in structure, effectively reduces human input and working hours, and guarantees the accuracy of anchor bolt installation simultaneously, thereby reducing the construction difficulty of anchor bolt when concrete cushion is poured in the installation and construction process, and improving the continuity of concrete pouring operation.

Description

Positioning device for foundation anchor bolt piece of wind driven generator
Technical Field
The invention relates to the field of wind power generation auxiliary equipment, in particular to a positioning device for a foundation anchor bolt piece of a wind driven generator.
Background
In the construction of a new energy wind power generation project, a pre-stressed anchor bolt must be installed before a wind turbine foundation is poured, and the pre-stressed anchor bolt must be pre-embedded on a pre-embedded steel plate part on a foundation cushion layer. The installation of the conventional prestressed anchor bolt embedded part is carried out in the process of pouring the cushion layer, and the conventional installation method greatly prolongs the time of pouring concrete; the concrete pouring is discontinuous, and the working time is prolonged.
Disclosure of Invention
In view of the above, the present invention provides a positioning device for a foundation anchor bolt of a wind turbine generator, so as to solve the problems that the installation of the existing prestressed anchor bolt embedded part requires a lot of labor and equipment, and the positioning operation is complicated.
In order to achieve the purpose, the invention provides the following technical scheme:
a wind turbine foundation anchor bolt positioning device comprises:
the central piece is used for being arranged vertically to the ground;
the leveling assembly comprises a positioning piece and a telescopic connecting piece which can stretch out and draw back along the length direction of the leveling assembly, one end of the telescopic connecting piece is fixed with the central piece, the other end of the telescopic connecting piece is hinged with the positioning piece, and the positioning piece is used for being placed on an anchor bolt plate of the anchor bolt piece to level;
and the angle measuring device is used for measuring the angles between the telescopic connecting piece and the central piece and between the telescopic connecting piece and the positioning piece.
Preferably, the number of sets of leveling assemblies is at least two to level the anchor plates of adjacent anchor pieces.
Preferably, a communicator is further included for detecting levelness of adjacent anchor members.
Preferably, the central part is uniformly provided with a plurality of positioning grooves used for being matched with the telescopic connecting pieces along the vertical direction.
Preferably, the telescopic connecting piece comprises a fixing piece and a sliding piece, a sliding groove is formed in the fixing piece and is arranged along the length direction, and a pulley matched with the sliding groove is arranged on the sliding piece.
Preferably, the telescopic connection is embodied as a telescopic caliper.
Preferably, the top of setting element is equipped with the rotation constant head tank, be equipped with the axis of rotation on two relative lateral walls that set up of rotation constant head tank, telescopic link be equipped with axis of rotation complex rotates the hole.
Preferably, the central piece and the positioning piece are respectively straight rulers.
The invention provides a positioning device of a foundation anchor bolt piece of a wind driven generator, which comprises a central piece, a positioning rod and a positioning rod, wherein the central piece is used for being vertical to the ground; the leveling assembly comprises a positioning piece and a telescopic connecting piece which can stretch out and draw back along the length direction of the leveling assembly, one end of the telescopic connecting piece is fixed with the central piece, the other end of the telescopic connecting piece is hinged with the positioning piece, and the positioning piece is used for being placed on an anchor bolt plate of the anchor bolt piece to level; the angle measuring device is used for measuring angles between the telescopic connecting piece and the central piece and between the telescopic connecting piece and the positioning piece.
By applying the positioning device of the foundation anchor bolt of the wind driven generator provided by the invention, the central piece is arranged perpendicular to the ground to serve as a central point, one end of the telescopic connecting piece is fixed with the central piece, the other end of the telescopic connecting piece is hinged with the positioning piece, and after the angle between the central piece and the telescopic connecting piece is measured through the angle measuring device, the angle between the positioning piece arranged on the anchor bolt plate and the telescopic connecting piece is measured so as to judge whether the positioning piece is in a vertical state on the anchor bolt and further judge whether the anchor bolt plate of the anchor bolt is horizontal. The device is simple in structure, effectively reduces human input and working hours, and guarantees the accuracy of anchor bolt installation simultaneously, thereby reducing the construction difficulty of anchor bolt when concrete cushion is poured in the installation and construction process, and improving the continuity of concrete pouring operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a positioning device of a foundation anchor bolt of a wind turbine provided by an embodiment of the invention.
The drawings are numbered as follows:
the device comprises a central part 1, a telescopic connecting part 2, a positioning part 3, an anchor bolt plate 4, a communicating vessel 5, an angle measuring device 6 and a positioning groove 7.
Detailed Description
The embodiment of the invention discloses a positioning device for a foundation anchor bolt piece of a wind driven generator, which aims to solve the problems that the installation of the existing prestressed anchor bolt embedded piece needs a large amount of labor and equipment, the positioning operation is complicated and the like.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a positioning device of a wind turbine foundation anchor member according to an embodiment of the present invention.
In a specific embodiment, the invention provides a positioning device for a foundation anchor bolt of a wind driven generator, which comprises:
a central member 1 for being disposed vertically to the ground; the central part 1 can be arranged in the ground in a drilling or knocking mode, and meanwhile, the central part 1 is perpendicular to the ground, so that the central part 1 can be used as a reference center for measurement, wherein the central part 1 can be arranged in a column, a rod and other modes, such as a steel pipe, the structure is simple, local materials can be obtained conveniently on site, and the operation cost is reduced.
The leveling assembly comprises a positioning part 3 and a telescopic connecting part 2 which can be telescopic along the length direction of the leveling assembly, one end of the telescopic connecting part 2 is fixed with the central part 1, the other end of the telescopic connecting part is hinged with the positioning part 3, and the positioning part 3 is used for being placed on an anchor bolt plate 4 of the anchor bolt part to level; it can be understood that the bottom surface of the positioning part 3 is provided with a plane which can be in contact with the anchor bolt plate 4, the positioning part 3 can also be arranged into a steel pipe, the telescopic connecting part 2 is adjusted according to the distance between the central part 1 and the anchor bolt plate 4, the central part 1 does not need to be frequently replaced, the measurement and positioning of the anchor bolt plate 4 within a certain range are met, the working hours for assembling and disassembling the central part 1 are reduced, and the positioning efficiency is improved. Wherein in one embodiment the maximum telescopic distance of the telescopic links 2 is preferably 4 meters. The positioning member 3 and the telescopic connecting member 2 are hinged, and if a rotating shaft is arranged between the positioning member 3 and the telescopic connecting member 2, the angle adjustment of the positioning member 3 and the telescopic connecting member 2 is realized.
The central piece 1 can be provided with positioning holes, the telescopic connecting piece 2 is provided with positioning bulges matched with the positioning holes, so that clamping connection is realized, or the central piece 1 is provided with a clamping block, the telescopic connecting piece 2 is fixed on the clamping block through the self gravity action by lapping, in other embodiments, a proper detachable fixed connection mode can be selected according to requirements, and the invention is in the protection scope.
And the angle measuring device 6 is used for measuring the angles between the telescopic connecting piece 2 and the central piece 1 and between the telescopic connecting piece 2 and the positioning piece 3. The angle measuring device 6 may be embodied as a protractor, which is simple to obtain and low-cost.
When the positioning device is used, the positioning piece 3 is placed on the anchor bolt piece, the angle between the central piece 1 and the telescopic connecting piece 2 is measured through the angle measuring device 6, the angle between the positioning piece 3 and the telescopic connecting piece 2 is measured, if the sum of the two angles is 180 degrees, the positioning piece 3 is perpendicular to the anchor bolt plate 4 of the anchor bolt piece, the anchor bolt piece is horizontally arranged, and if the sum of the two angles is not 180 degrees, the levelness of the anchor bolt plate 4 of the anchor bolt piece needs to be adjusted again, so that the sum of the adjusted angles is 180 degrees.
By applying the positioning device of the foundation anchor bolt of the wind driven generator, the central piece 1 is arranged perpendicular to the ground to serve as a central point, one end of the telescopic connecting piece 2 is fixed with the central piece 1, the other end of the telescopic connecting piece is hinged with the positioning piece 3, after the angle between the central piece 1 and the telescopic connecting piece 2 is measured through the angle measuring device 6, the angle between the positioning piece 3 arranged on the anchor bolt plate 4 and the telescopic connecting piece 2 is measured, so that whether the positioning piece 3 is in a vertical state on the anchor bolt is judged, and further whether the anchor bolt plate 4 of the anchor bolt is horizontal is judged. The device is simple in structure, effectively reduces human input and working hours, and guarantees the accuracy of anchor bolt installation simultaneously, thereby reducing the construction difficulty of anchor bolt when concrete cushion is poured in the installation and construction process, and improving the continuity of concrete pouring operation.
In particular, the number of sets of leveling assemblies is at least two to level the anchor plates 4 of adjacent anchor pieces. Therefore, the positioning efficiency is improved, at least two groups of the positioning device comprise two groups and more than two groups, and only one group of leveling assemblies can be arranged when the positioning device is needed in actual operation and can be arranged as required. The two groups of leveling assemblies are used for explaining, in the use process, the anchor bolt plates 4 corresponding to the first group of leveling assemblies are leveled, the specific implementation process is referred to above, after the anchor bolt plates 4 corresponding to the first group are determined to be horizontal, the angle between the center piece 1 and the telescopic connecting piece 2 of the second group is set to be the same as that of the first group, meanwhile, the height of the telescopic connecting piece 2 of the second group on the center piece 1 is set to be the same as that of the telescopic connecting piece 2 of the first group on the center piece 1, and the process is repeated to realize leveling of the anchor bolt plates 4 of the second group.
Simultaneously, accessible angle measuring device 6 sets up the angle between the telescopic connection piece 2 of adjacent two sets of subassembly of making level to the mounted position of the crab-bolt board 4 of each anchor bolt piece of adjustment, in an embodiment, set up to 36 degrees between the telescopic connection piece 2 of adjacent two sets of subassembly of making level, from this with can guarantee ten anchor bolt pieces evenly set up at the horizontal plane, in other embodiments, can set up the angle of two sets of telescopic connection piece 2 by oneself according to the installation demand of anchor bolt piece, no longer describe herein.
Further, a communicator 5 for detecting levelness of adjacent anchor members is also included. In order to guarantee that anchor bolt piece's crab-bolt board 4 is in same horizontal plane, set up linker 5 between the two in order to carry out the secondary and detect, further guarantee the level setting between adjacent anchor bolt piece, the both ends of linker 5 set up respectively on two adjacent anchor bolt piece's crab-bolt board 4, detect in order to carry out the levelness through observing the liquid level height in linker 5. In one embodiment, the connector 5 may be provided as a plastic tube or other U-tube configuration.
On the basis of the above-described embodiments, the central part 1 is uniformly provided with a plurality of positioning slots 7 in the vertical direction for cooperation with the telescopic connectors 2. From this setting to according to the mounting height of the anchor spare of difference and with the distance demand of centerpiece 1, can realize its fixed on centerpiece 1 when the length of telescopic connection spare 2 changes, constant head tank 7 can set up to arc wall or other structures, and wherein, the distance between a plurality of constant head tanks 7 can set up to 1 cm.
In one embodiment, the telescopic connection 2 is embodied as a telescopic caliper. Scalable slide caliper rule is convenient for in time observe its flexible length, need not to carry out the measurement of 2 lengths of telescopic connection spare with the help of other auxiliary measuring instrument to simplify the operation step, reduce constructor simultaneously, reduce the human cost.
Specifically, the telescopic connecting piece 2 comprises a fixing piece and a sliding piece, wherein a sliding groove is formed in the fixing piece and is arranged along the length direction, and a pulley matched with the sliding groove is arranged on the sliding piece. The telescopic connecting piece 2 can slide in the length direction, the sliding groove is preferably arranged along the side wall of the fixing piece to optimize the installation space, and the sliding piece can be provided with a pulley, a sliding block or other structures to realize the matching with the sliding groove, and the sliding mode can be set according to the requirement.
In order to realize the hinging of the positioning piece 3 and the telescopic connecting piece 2, the top of the positioning piece 3 is provided with a rotating positioning groove 7, two side walls of the rotating positioning groove 7 which are oppositely arranged are provided with rotating shafts, and the telescopic connecting piece 2 is provided with rotating holes matched with the rotating shafts. Rotation constant head tank 7 generally sets up to U type groove, sets up the through-hole on two lateral walls in U type groove to with the axis of rotation cooperation, the axis of rotation can with the fixed setting of setting element 3, set up on the telescopic connection spare 2 with axis of rotation complex rotation hole, rotation hole and axis of rotation are clearance fit, so that telescopic connection spare 2 can rotate in the axis of rotation. In other embodiments, other ways of articulation may be chosen, as long as the same technical effect is achieved.
For the convenience of measurement and length calculation, the central part 1 and the positioning part 3 are straight rulers respectively. Therefore, when working, the worker does not need to perform the operation again through other length measuring tools, the working hours are saved, and auxiliary equipment required during the operation is reduced.
In a specific embodiment, the central member 1 is a cylindrical steel rule 1.2 meters long, the positioning member 3 is two cylindrical steel rules 0.8 meters long, the telescopic connecting members 2 are two telescopic sliding horizontal steel rules 4 meters long, respectively, the angle measuring device 6 is a flat angle protractor with a central hole having a radius of 0.5 meters, the communicating device 5 is a water pipe, the cylindrical steel rule 1.2 meters long is inserted into the flat angle protractor with a central hole having a radius of 0.5 meters, one end of each of the two telescopic sliding steel rules 4 meters long is fixed on the cylindrical steel rule 1.2 meters in a mechanical connection mode, the other end of each of the two telescopic sliding steel rules is fixed on the cylindrical steel rules 0.8 meters long, and the two cylindrical steel rules 0.8 meters long are fixed with a U-shaped water pipe for leveling. The device improves the accuracy of embedded part installation, not only saves installation time, but also can reduce resource investment to the maximum extent.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A wind turbine foundation anchor bolt positioning device is characterized by comprising:
the central piece is used for being arranged vertically to the ground;
the leveling assembly comprises a positioning piece and a telescopic connecting piece which can stretch out and draw back along the length direction of the leveling assembly, one end of the telescopic connecting piece is fixed with the central piece, the other end of the telescopic connecting piece is hinged with the positioning piece, and the positioning piece is used for being placed on an anchor bolt plate of the anchor bolt piece to level;
and the angle measuring device is used for measuring the angles between the telescopic connecting piece and the central piece and between the telescopic connecting piece and the positioning piece.
2. The apparatus for positioning wind turbine foundation anchor bolts according to claim 1, wherein the number of the leveling assemblies is at least two for leveling the anchor plates of the adjacent anchor bolts.
3. The wind turbine foundation anchor bolt positioning device of claim 1, further comprising a communicator for detecting levelness of adjacent anchor bolts.
4. The wind turbine foundation anchor bolt positioning device of any one of claims 1-3, wherein the central member is uniformly provided with a plurality of positioning slots along the vertical direction for cooperating with the telescopic connection members.
5. The wind driven generator foundation anchor bolt positioning device as claimed in claim 4, wherein the retractable connecting member comprises a fixed member and a sliding member, the fixed member is provided with a sliding groove arranged along the length direction, and the sliding member is provided with a pulley engaged with the sliding groove.
6. The wind turbine generator foundation anchor bolt positioning device of claim 4, wherein the retractable connecting member is in particular a retractable caliper.
7. The positioning device for foundation anchor bolt members of wind driven generator according to claim 6, wherein the positioning member has a rotation positioning groove at the top thereof, the two opposite side walls of the rotation positioning groove are provided with rotation shafts, and the retractable connecting member is provided with rotation holes matched with the rotation shafts.
8. The wind turbine generator foundation anchor bolt positioning device of claim 5, wherein the central member and the positioning member are straight edges respectively.
CN201910979324.7A 2019-10-15 2019-10-15 Positioning device for foundation anchor bolt piece of wind driven generator Pending CN110714475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910979324.7A CN110714475A (en) 2019-10-15 2019-10-15 Positioning device for foundation anchor bolt piece of wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910979324.7A CN110714475A (en) 2019-10-15 2019-10-15 Positioning device for foundation anchor bolt piece of wind driven generator

Publications (1)

Publication Number Publication Date
CN110714475A true CN110714475A (en) 2020-01-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113803525A (en) * 2021-09-27 2021-12-17 中国海洋石油集团有限公司 Seabed brace rod fixing method for steel cylinder protection underwater production system manifold

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314101A (en) * 2014-09-15 2015-01-28 中国十七冶集团有限公司 Mounting method for foundation anchor bolt assembly of wind-driven generator
CN104358214A (en) * 2014-11-10 2015-02-18 中铁十一局集团有限公司 Positioning device and positioning method for multi-angle anchor base plate
CN206888036U (en) * 2017-06-12 2018-01-16 华南理工大学 A kind of device for aiding in bar planting or anchor pole positioning
CN206941415U (en) * 2017-07-19 2018-01-30 中铁十局集团第一工程有限公司 A kind of pinner anchor bolt hole positioning device
CN207976150U (en) * 2018-02-28 2018-10-16 中国建筑第八工程局有限公司 A kind of measuring instrument construction of platform positioned based on steel loading component
CN109025311A (en) * 2018-08-02 2018-12-18 中国十七冶集团有限公司 A kind of mattess screeder and construction method
CN208455634U (en) * 2018-05-29 2019-02-01 中国建筑第六工程局有限公司 A kind of gradient review frame of adjustable-angle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314101A (en) * 2014-09-15 2015-01-28 中国十七冶集团有限公司 Mounting method for foundation anchor bolt assembly of wind-driven generator
CN104358214A (en) * 2014-11-10 2015-02-18 中铁十一局集团有限公司 Positioning device and positioning method for multi-angle anchor base plate
CN206888036U (en) * 2017-06-12 2018-01-16 华南理工大学 A kind of device for aiding in bar planting or anchor pole positioning
CN206941415U (en) * 2017-07-19 2018-01-30 中铁十局集团第一工程有限公司 A kind of pinner anchor bolt hole positioning device
CN207976150U (en) * 2018-02-28 2018-10-16 中国建筑第八工程局有限公司 A kind of measuring instrument construction of platform positioned based on steel loading component
CN208455634U (en) * 2018-05-29 2019-02-01 中国建筑第六工程局有限公司 A kind of gradient review frame of adjustable-angle
CN109025311A (en) * 2018-08-02 2018-12-18 中国十七冶集团有限公司 A kind of mattess screeder and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113803525A (en) * 2021-09-27 2021-12-17 中国海洋石油集团有限公司 Seabed brace rod fixing method for steel cylinder protection underwater production system manifold

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