CN113187668B - Equipment hoisting and grouting installation method for wind power generation mixed tower - Google Patents
Equipment hoisting and grouting installation method for wind power generation mixed tower Download PDFInfo
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- CN113187668B CN113187668B CN202110351192.0A CN202110351192A CN113187668B CN 113187668 B CN113187668 B CN 113187668B CN 202110351192 A CN202110351192 A CN 202110351192A CN 113187668 B CN113187668 B CN 113187668B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/341—Arrangements for casting in situ concrete towers or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/96—Mounting on supporting structures or systems as part of a wind turbine farm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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Abstract
The invention relates to the technical field of wind driven generators and discloses equipment for a wind power generation tower mixing, which comprises a first tower cylinder section and a second tower cylinder section, wherein embedded steel bars are embedded at the edges of the inner parts of the first tower cylinder section and the second tower cylinder section, the top ends of the embedded steel bars extend out of the tops of the first tower cylinder section and the second tower cylinder section, a control box is fixedly installed at the bottom ends of the embedded steel bars, the control box is fixedly installed on the inner wall of a vertical groove, and the vertical groove is formed in the inner parts of the first tower cylinder section and the second tower cylinder section. When first tower section of thick bamboo festival is close to second tower section of thick bamboo festival gradually, the inside strong magnet of clamping ring can attract the top of its corresponding embedded bar respectively, makes embedded bar and strong magnet one-to-one, then embedded bar also with erect groove one-to-one, its top is located perpendicular groove under, is convenient for insert and erects the groove, descends alright the accurate vertical groove that inserts of embedded bar through tower crane control first tower section of thick bamboo festival this moment.
Description
Technical Field
The invention relates to the technical field of wind driven generators, in particular to a method for hoisting and grouting equipment for a wind power generation mixed tower.
Background
A wind generating set is called a fan for short, and the main structure of the fan comprises an impeller, a generator, a tower and other components. Wherein, the tower section of thick bamboo is installed on ground for support parts such as impeller and generator above that. In the prior art, a tower barrel is generally made of steel or prestressed concrete. The steel tower cylinder is heavy in weight and difficult to transport, and more importantly, the welding line between the tower cylinder and the flange is stressed greatly, the connecting bolt is stressed greatly, and the shearing capacity is poor, so that the prestressed concrete tower cylinder is widely applied.
The Chinese patent publication number is: CN106014872B discloses a steel structure concrete tower section of thick bamboo connected node, fan tower section of thick bamboo and construction method. The upper and lower layer cylinder bodies are respectively connected with an upper cylinder body flange and a lower cylinder body flange, the upper cylinder body flange and the lower cylinder body flange are connected at the inner side position of the tower cylinder through connecting and fixing pieces, pouring holes are reserved in the upper cylinder body flange and the lower cylinder body flange, penetrating pieces penetrating through the upper cylinder body flange and the lower cylinder body flange and extending into the interlayer of the upper cylinder body and the lower cylinder body are arranged, and after concrete is poured, the upper cylinder body, the penetrating pieces and the lower cylinder body are bonded together through the concrete. The invention increases the bonding area and the connection strength of the cylinder and concrete, improves the shearing resistance and the connection reliability, improves the stress condition between the upper cylinder connecting bolt and the lower cylinder connecting bolt and the welding seam between the cylinder and the flange, and has convenient installation and lower construction difficulty.
In the above patent, although the bonding area and the connection strength between the cylinder and the concrete are increased, and the shear resistance and the connection reliability are improved, in practical application, we find that there still exist certain disadvantages, such as:
1. the connecting structure is troublesome in connection, when a hoisting machine is used for hoisting the tower drums for combined installation, two tower drums are not convenient to align, the upper tower drum can be just placed on the lower tower drum after multiple times of debugging, and the construction difficulty is high;
2. the connecting structure has poor shearing resistance, is still easy to incline in the process of long-term use, lacks a corresponding anti-inclining component, and is difficult to reset the inclined tower barrel after the inclination;
based on the above, a method for hoisting and grouting equipment for a wind power generation mixing tower is provided, and hopefully, the defects in the prior art are overcome.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the equipment hoisting and grouting installation method for the wind power generation mixed tower, which has the advantages of good shear resistance, stable connection, inclination prevention and convenience in installation.
(II) technical scheme
In order to achieve the purposes of good shearing resistance, stable connection, inclination prevention and convenient installation, the invention provides the following technical scheme: the equipment for the wind power generation tower mixing comprises a first tower cylinder section and a second tower cylinder section, wherein embedded steel bars are embedded at the edges of the inner parts of the first tower cylinder section and the second tower cylinder section, the top ends of the embedded steel bars extend out of the tops of the first tower cylinder section and the second tower cylinder section, a control box is fixedly installed at the bottom ends of the embedded steel bars, the control box is fixedly installed on the inner wall of a vertical groove, the vertical groove is formed in the inner parts of the first tower cylinder section and the second tower cylinder section, and a connecting notch is formed at the bottom of the vertical groove;
slurry feeding channels are formed in the centers of the inner parts of the first tower cylinder section and the second tower cylinder section, the side ends of the slurry feeding channels are communicated with the control box, bottom forming grooves are formed in the bottoms of the slurry feeding channels, and top forming grooves matched with the bottom forming grooves are formed in the centers of the tops of the first tower cylinder section and the second tower cylinder section;
be provided with controlling means between the top of embedded bar in the second tower shell ring and the bottom of embedded bar in the first tower shell ring, work as when the top of embedded bar in the second tower shell ring inserts in the perpendicular groove in the first tower shell ring, controlling means is used for making control box, perpendicular groove and send and link up each other between the thick liquid passageway.
As a preferred technical scheme of the present invention, the top of the first tower cylinder section and the top of the second tower cylinder section surround the embedded steel bars to form a sealing groove, the bottom of the first tower cylinder section and the bottom of the second tower cylinder section surround the connecting notch to fixedly mount a sealing ring coupled with the sealing groove, and when the first tower cylinder section is connected with the second tower cylinder section, the sealing ring is embedded into the sealing groove to seal the space around the embedded steel bars.
As a preferred technical scheme, the control device comprises a first spring, a control panel and an ejector rod, the bottom end of the embedded steel bar extends into the control box and is fixedly connected with the first spring, the bottom of the first spring is fixedly provided with the control panel, the control panel is L-shaped, one side of the L-shaped control panel is used for blocking the slurry feeding channel, the ejector rod is fixedly arranged at the bottom of the other side of the L-shaped control panel, the outer wall of the ejector rod is spliced with a slurry leaking groove, and the slurry leaking groove is formed in the bottom of the control box.
As a preferred technical scheme of the invention, the top end of the embedded steel bar is provided with an inner groove coupled with the ejector rod, and when the embedded steel bar is inserted into the vertical groove, the inner groove is used for connecting the embedded steel bar and the ejector rod.
As a preferable technical scheme of the invention, a grouting pipe is fixedly arranged on the outer wall of the top of the control box, and the tail end of the grouting pipe is communicated with the outer parts of the first tower cylinder section and the second tower cylinder section and is used for pouring concrete grout.
In a preferred embodiment of the present invention, the bottom forming groove and the top forming groove are combined to form a forming space, a tetrahedron-shaped member is formed in the forming space by concrete grout, an upper part of the tetrahedron-shaped member is located in the bottom forming groove, and a lower part of the tetrahedron-shaped member is located in the top forming groove.
As a preferable technical solution of the present invention, the inner wall of the vertical groove is further fixedly provided with a guide plate, the bottom of the inner wall of the guide plate is formed with a guide slope inclined outward, and when the top end of the embedded steel bar is inserted into the vertical groove, the guide slope is used for guiding an insertion path of the top end of the embedded steel bar.
As a preferred technical scheme of the invention, the bottoms of the outer walls of the first tower cylinder section and the second tower cylinder section are fixedly provided with compression rings, strong magnets are uniformly arranged in the compression rings, the arrangement positions and the number of the strong magnets correspond to the arrangement positions and the number of the embedded steel bars and the vertical slots respectively, and when the first tower cylinder section and the second tower cylinder section are close to each other, the strong magnets attract the embedded steel bars to regulate the insertion positions of the embedded steel bars relative to the vertical slots;
the top of first tower shell section and second tower section outer wall all fixed mounting have the bearing ring, the top fixed mounting of bearing ring has the subassembly of taking out, works as first tower shell section produces the slope for the second tower shell section, the subassembly of taking out is used for assisting first tower shell section to reset.
As a preferred technical solution of the present invention, the extract assembly includes an annular mounting sleeve, an annular pressing sleeve and a second spring, the annular mounting sleeve is fixedly mounted on the top of the bearing ring, the outer wall of the annular mounting sleeve is sleeved with the annular pressing sleeve, the second spring is fixedly connected between the inner top wall of the annular pressing sleeve and the inner bottom wall of the annular mounting sleeve, and two sides of the outer wall of the annular mounting sleeve are further fixedly mounted with side plates.
A method for hoisting and grouting equipment for a wind power generation mixed tower is used for the equipment for the wind power generation mixed tower and comprises the following steps:
s01: pouring concrete slurry into the control box through a grouting pipe;
s02: hoisting the first tower cylinder section by using a tower crane to enable the first tower cylinder section to be positioned right above a second tower cylinder section which is vertically arranged, and then controlling the first tower cylinder section to descend by using the tower crane to enable the first tower cylinder section to gradually approach the second tower cylinder section;
s03: when the first tower section is gradually close to the second tower section, the strong magnets in the compression rings respectively attract the top ends of the corresponding embedded bars, so that the top ends of the embedded bars are located right below the vertical grooves, and the top ends of the embedded bars can be conveniently inserted into the vertical grooves;
s04: the top ends of the embedded steel bars are inserted into the vertical grooves, and the embedded steel bars gradually slide to the middle parts of the vertical grooves under the guiding action of the guiding inclined planes of the guiding plates, so that the first tower cylinder section and the second tower cylinder section are also gradually aligned;
s05: the top end of the embedded steel bar gradually extends into the vertical groove, the bottom of the ejector rod is wrapped by the inner groove and the ejector rod is pushed upwards, the ejector rod moves upwards to drive the control plate to move upwards, the control plate moves upwards to open the slurry feeding channel and the slurry leakage groove, and at the moment, concrete slurry in the control box can enter the slurry feeding channel and the vertical groove;
s06: when the first tower section is gradually pressed against the second tower section, the sealing ring at the bottom of the first tower section is just embedded into the sealing groove at the top of the second tower section so as to seal the space around the embedded steel bars;
s07: on one hand, concrete grout enters the bottom forming groove and the top forming groove through the grout feeding channel and is solidified to form a tetrahedral forming piece, on the other hand, the concrete grout is accumulated in the vertical groove, completely wraps the embedded steel bars, and is connected with the embedded steel bars and the first tower section into a whole after being solidified;
s08: when the first tower section is gradually pressed against the second tower section, the pressure ring at the bottom of the outer wall of the first tower section is pressed downwards to move the eliminating assembly, and when the first tower section inclines relative to the second tower section, the eliminating assembly is used for assisting the first tower section to reset;
s09: and repeating the steps to connect other tower shell sections in sequence.
(III) advantageous effects
Compared with the prior art, the invention provides equipment for a wind power generation hybrid tower, which has the following beneficial effects:
1. this an equipment for tower is mixed in wind power generation, when first tower section of thick bamboo is close to second tower section of thick bamboo festival gradually, the inside strong magnet of clamping ring can attract the top of its embedded bar that corresponds respectively, make embedded bar and strong magnet one-to-one, then the embedded bar also with erect groove one-to-one, its top is located and erects under the groove, be convenient for insert and erect the groove, descend alright make the accurate perpendicular groove of inserting of embedded bar through first tower section of thick bamboo festival of tower crane control this moment, it is more convenient to connect, do not need debugging tower crane many times alright connect first tower section of thick bamboo festival and second tower section of thick bamboo festival.
2. This an equipment for wind power generation mixes tower, embedded steel bar's top is inserted and is erected the groove, and under the guiding action on the guide inclined plane of guide board, embedded steel bar slides gradually to the middle part of erecting the groove, and then, first tower shell ring also aligns gradually with second tower shell ring, can not produce the skew each other.
3. This an equipment for wind power generation mixes tower, when first tower section compresses tightly second tower section of thick bamboo festival gradually, the sealing ring of first tower section of thick bamboo bottom just imbeds in the seal groove at second tower section of thick bamboo festival top to the space around the sealed embedded bar, during concrete grout pours into later, the concrete grout is sealed by the sealing ring and can not reveal.
4. The equipment for the wind power generation mixing tower is characterized in that the top end of a pre-buried steel bar gradually extends into a vertical groove, the bottom of a top rod is wrapped by an inner groove and the top rod is pushed upwards, the top rod moves upwards to drive a control plate to move upwards, the control plate moves upwards to open a slurry feeding channel and a slurry leaking channel, at the moment, concrete slurry in a control box can enter the slurry feeding channel and the vertical groove, on one hand, the concrete slurry enters a bottom forming groove and a top forming groove through the slurry feeding channel and is solidified to form a tetrahedron-shaped part, and the tetrahedron has good shearing resistance and is just positioned between a first tower cylinder section and a second tower section, so that the first tower cylinder section and the second tower section can be effectively prevented from mutually offsetting; concrete grout on the other hand piles up in erecting the groove, wraps up embedded bar completely, solidifies the back and links as an organic wholely with embedded bar and first tower section, connects more firm, difficult fracture.
5. This an equipment for tower is mixed in wind power generation, when first tower section of thick bamboo produced the slope, can press through the clamping ring and move annular pressure cover, and annular pressure cover is pressed and is moved compression second spring, and under the effect of the elastic recovery power of second spring, the annular pressure cover that is pressed and moves can resume the normal position, and then supplementary first tower section of thick bamboo resumes the normal position, and the slope of effectual first tower section of thick bamboo section of preventing.
Drawings
FIG. 1 is a schematic top perspective view of the overall structure of the present invention;
FIG. 2 is a bottom perspective view of the overall structure of the present invention;
FIG. 3 is a front cross-sectional view of the overall structure of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B of FIG. 3;
FIG. 6 is a schematic view of a cut-away of the cure assembly of the present invention;
FIG. 7 is an enlarged view at C of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of a tetrahedron shaped member according to the invention in a stressed state;
fig. 9 is a cross-sectional schematic view of a portion of the guide plate of the present invention.
In the figure: 1. a first tower shell section; 2. a second tower shell section; 3. embedding reinforcing steel bars in advance; 4. an inner groove; 5. a sealing groove; 6. a forming groove is formed in the top; 7. a bearing ring; 8. a prompt component is eliminated; 9. pressing a ring; 10. strong magnets; 11. a bottom forming groove; 12. a connection notch; 13. a seal ring; 14. a control box; 15. a vertical slot; 16. a first spring; 17. a control panel; 18. grouting pipes; 19. a slurry feeding channel; 20. a top rod; 21. a slurry leaking groove; 22. a guide plate; 23. a guide ramp; 24. an annular mounting sleeve; 25. annular pressing sleeve; 26. a side plate; 27. a second spring; 28. a tetrahedral shaped piece.
Detailed Description
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-9, an apparatus for wind power generation tower mixing comprises a first tower cylinder section 1 and a second tower cylinder section 2, embedded steel bars 3 are embedded at the edges of the inner parts of the first tower cylinder section 1 and the second tower cylinder section 2, the top ends of the embedded steel bars 3 extend out of the tops of the first tower cylinder section 1 and the second tower cylinder section 2, a control box 14 is fixedly installed at the bottom end of the embedded steel bars 3, the control box 14 is fixedly installed on the inner wall of a vertical groove 15, the vertical groove 15 is formed in the inner parts of the first tower cylinder section 1 and the second tower cylinder section 2, and a connecting notch 12 is formed at the bottom of the vertical groove 15;
a control device is arranged between the top end of embedded steel bars 3 in the second tower cylinder section 2 and the bottom end of the embedded steel bars 3 in the first tower cylinder section 1, and when the top end of the embedded steel bars 3 in the second tower cylinder section 2 is inserted into a vertical groove 15 in the first tower cylinder section 1, the control device is used for enabling the control box 14, the vertical groove 15 and the grout feeding channel 19 to be communicated with each other.
In this embodiment, the top of first tower shell ring 1 and second tower shell ring 2 encircles embedded bar 3 and is formed with seal groove 5, the bottom of first tower shell ring 1 and second tower shell ring 2 encircles connection notch 12 fixed mounting has the sealing ring 13 of coupling with seal groove 5, when first tower shell ring 1 is connected with second tower shell ring 2, when first tower shell ring 1 compresses tightly second tower shell ring 2 gradually, sealing ring 13 of first tower shell ring 1 bottom just imbeds in the seal groove 5 at 2 tops of second tower shell ring, thereby the space around sealed embedded bar 3, in concrete grout pours into afterwards, concrete grout is sealed can not reveal by sealing ring 13.
In the embodiment, the control device comprises a first spring 16, a control panel 17 and a top rod 20, the bottom end of the embedded steel bar 3 extends into the control box 14 and is fixedly connected with the first spring 16, the control panel 17 is fixedly installed at the bottom of the first spring 16, the control panel 17 is in an L shape, one side of the L-shaped control panel 17 is used for plugging the slurry feeding channel 19, the top rod 20 is fixedly installed at the bottom of the other side of the L-shaped control panel 17, a slurry leakage groove 21 is inserted into the outer wall of the top rod 20, and the slurry leakage groove 21 is formed in the bottom of the control box 14;
the top end of the embedded steel bar 3 is provided with an inner groove 4 coupled with the ejector rod 20, and when the embedded steel bar 3 is inserted into the vertical groove 15, the inner groove 4 is used for connecting the embedded steel bar 3 and the ejector rod 20;
the top of embedded bar 3 deepens deeply gradually and erects groove 15, wraps up the bottom of ejector pin 20 and upwards promotes ejector pin 20 through inner grove 4, and ejector pin 20 moves upward and drives control panel 17 and move upward, and control panel 17 upward movement opens simultaneously and send thick liquid passageway 19 and hourglass thick liquid groove 21, and at this moment, the concrete thick liquid in the control box 14 can get into and send thick liquid passageway 19 and erect groove 15: on one hand, concrete grout enters the bottom forming groove 11 and the top forming groove 6 through the grout feeding channel 19, and a tetrahedron-shaped part 28 is formed in the bottom forming groove 11 and the top forming groove 6 in a solidifying mode, wherein the tetrahedron has better shearing resistance and is just positioned between the first tower cylinder section 1 and the second tower cylinder section 2, so that the first tower cylinder section 1 and the second tower cylinder section 2 can be effectively prevented from mutually deviating, and the excellent shearing resistance is realized;
concrete thick liquid on the other hand piles up in erecting groove 15, wraps up embedded steel bar 3 completely, and the concrete thick liquid after the solidification links as an organic wholely with embedded steel bar 3 and first tower shell ring 1 for be connected between first tower shell ring 1 and the second tower shell ring 2 more firmly, difficult fracture.
In this embodiment, the outer wall at control box 14 top still fixed mounting has grout pipe 18, and the end of grout pipe 18 link up with the outside of first tower shell ring 1 and second tower shell ring 2 mutually, is convenient for pour concrete thick liquid into control box 14 through grout pipe 18, and concrete thick liquid should be poured through grout pipe 18 before first tower shell ring 1 is hoisted during actual operation, can prevent like this that concrete thick liquid from solidifying.
In this embodiment, the combination forms the shaping space between bottom shaping groove 11 and the top shaping groove 6, be formed with tetrahedron shaped piece 28 through the concrete thick liquid in the shaping space, the upper portion of tetrahedron shaped piece 28 is located bottom shaping groove 11, the lower part of tetrahedron shaped piece 28 is located top shaping groove 6, the tetrahedron itself has better shearing resistance, and just be located between first tower shell ring 1 and second tower shell ring 2, when first tower shell ring 1 moves relative to second tower shell ring 2, can prevent shearing each other under the effect of tetrahedron shaped piece 28 between the two, and then prevent skew each other between first tower shell ring 1 and the second tower shell ring 2.
In this embodiment, the inner wall of perpendicular groove 15 still fixed mounting have guide board 22, and the bottom of guide board 22 inner wall is formed with the guide inclined plane 23 of outside slope, and when the top of embedded steel bar 3 inserted perpendicular inslot 15, under the guide effect of guide board 22's guide inclined plane 23, embedded steel bar 3 can slide gradually to the middle part of perpendicular groove 15, and then, first tower shell ring 1 also aligns gradually with second tower shell ring 2, can not produce the skew each other.
In the embodiment, the bottom parts of the outer walls of the first tower cylinder section 1 and the second tower cylinder section 2 are fixedly provided with the compression rings 9, the strong magnets 10 are uniformly arranged in the compression rings 9, the arrangement positions and the number of the strong magnets 10 correspond to the arrangement positions and the number of the embedded steel bars 3 and the vertical grooves 15 respectively, and when the first tower cylinder section 1 and the second tower cylinder section 2 are close to each other, the strong magnets 10 attract the embedded steel bars 3 to regulate the insertion positions of the embedded steel bars 3 relative to the vertical grooves 15;
when first tower shell ring 1 is close to second tower shell ring 2 gradually, the inside strong magnet 10 of clamping ring 9 can attract the top of its embedded bar 3 that corresponds respectively, make embedded bar 3 and strong magnet 10 one-to-one, then embedded bar 3 also with erect 15 one-to-ones in groove, its top is located and erects under the groove 15, be convenient for insert and erect groove 15, descend alright make the accurate vertical slot 15 that inserts of embedded bar 3 through first tower shell ring 1 of tower crane control this moment, it is more convenient to connect, do not need debugging tower crane many times alright just to connect first tower shell ring 1 and second tower shell ring 2.
A support ring 7 is fixedly arranged on the top of the outer wall of each of the first tower shell section 1 and the second tower shell section 2, an elimination assembly 8 is fixedly arranged on the top of the support ring 7, and when the first tower shell section 1 inclines relative to the second tower shell section 2, the elimination assembly 8 is used for assisting the first tower shell section 1 to reset;
the extinction assembly 8 comprises an annular mounting sleeve 24, an annular pressure sleeve 25 and a second spring 27, the annular mounting sleeve 24 is fixedly mounted at the top of the bearing ring 7, the annular pressure sleeve 25 is sleeved on the outer wall of the annular mounting sleeve 24, the second spring 27 is fixedly connected between the inner top wall of the annular pressure sleeve 25 and the inner bottom wall of the annular mounting sleeve 24, and side plates 26 are also fixedly mounted on two sides of the outer wall of the annular mounting sleeve 24;
when first tower shell ring 1 produced the slope, can press annular pressure cover 25 through clamping ring 9, annular pressure cover 25 is pressed and is moved compression second spring 27, and under the effect of the elastic recovery power of second spring 27, the annular pressure cover 25 that is pressed and is moved can the recovery position, and then supplementary first tower shell ring 1 recovery position, the effectual slope that prevents first tower shell ring 1.
A method for hoisting, grouting and installing equipment for a wind power generation mixed tower comprises the following steps:
the method comprises the following steps: pouring concrete slurry into the control box 14 through the grouting pipe 18;
step two: hoisting the first tower tube section 1 by a tower crane to enable the first tower tube section 1 to be positioned right above the second tower tube section 2 which is vertically arranged, and then controlling the first tower tube section 1 to descend by the tower crane to enable the first tower tube section 1 to gradually approach the second tower tube section 2;
step three: when the first tower cylinder section 1 is gradually close to the second tower cylinder section 2, the strong magnets 10 in the compression rings 9 respectively attract the top ends of the corresponding embedded steel bars 3, so that the top ends of the embedded steel bars 3 are positioned right below the vertical grooves 15, and the top ends of the embedded steel bars 3 can be conveniently inserted into the vertical grooves 15;
step four: the top ends of the embedded steel bars 3 are inserted into the vertical grooves 15, and under the guiding action of the guiding inclined surfaces 23 of the guiding plates 22, the embedded steel bars 3 gradually slide to the middle parts of the vertical grooves 15, so that the first tower cylinder section 1 and the second tower cylinder section 2 are also gradually aligned;
step five: the top ends of the embedded steel bars 3 gradually penetrate into the vertical grooves 15, the bottom of the ejector rods 20 is wrapped by the inner grooves 4, the ejector rods 20 are pushed upwards, the ejector rods 20 move upwards to drive the control board 17 to move upwards, the control board 17 moves upwards to open the slurry feeding channel 19 and the slurry leakage groove 21, and at the moment, concrete slurry in the control box 14 can enter the slurry feeding channel 19 and the vertical grooves 15;
step six: when the first tower cylinder section 1 gradually compresses the second tower cylinder section 2, the sealing ring 13 at the bottom of the first tower cylinder section 1 is just embedded into the sealing groove 5 at the top of the second tower cylinder section 2 so as to seal the space around the embedded steel bar 3;
step seven: on one hand, concrete grout enters the bottom forming groove 11 and the top forming groove 6 through the grout feeding channel 19 and is solidified to form a tetrahedral forming part 28, on the other hand, the concrete grout is accumulated in the vertical groove 15, completely wraps the embedded steel bars 3, and is connected with the embedded steel bars 3 and the first tower shell section 1 into a whole after being solidified;
step eight: when the first tower shell section 1 is gradually pressed against the second tower shell section 2, the press ring 9 at the bottom of the outer wall of the first tower shell section 1 is also pressed downwards to move the eliminating assembly 8, and when the first tower shell section 1 is inclined relative to the second tower shell section 2, the eliminating assembly 8 is used for assisting the first tower shell section 1 to reset;
step nine: and repeating the steps to connect other tower shell sections in sequence.
The working principle and the using process of the invention are as follows:
firstly, pouring concrete grout into the control box 14 through the grout pipe 18, then hoisting the first tower-barrel section 1 through the tower crane to enable the first tower-barrel section 1 to be positioned right above the second tower-barrel section 2 which is vertically installed, and then controlling the first tower-barrel section 1 to descend through the tower crane to enable the first tower-barrel section 1 to gradually approach the second tower-barrel section 2;
when the first tower cylinder section 1 is gradually close to the second tower cylinder section 2, the strong magnets 10 in the compression ring 9 can respectively attract the top ends of the corresponding embedded steel bars 3, so that the embedded steel bars 3 correspond to the strong magnets 10 one by one, the embedded steel bars 3 also correspond to the vertical grooves 15 one by one, the top ends of the embedded steel bars are positioned under the vertical grooves 15, the embedded steel bars are convenient to insert into the vertical grooves 15, the first tower cylinder section 1 is controlled to descend through a tower crane at the moment, the embedded steel bars 3 can be accurately inserted into the vertical grooves 15, the connection is more convenient, and the first tower cylinder section 1 and the second tower cylinder section 2 can be just connected without debugging the tower crane for many times;
the top ends of the embedded steel bars 3 are inserted into the vertical grooves 15, and under the guiding action of the guiding inclined surfaces 23 of the guiding plates 22, the embedded steel bars 3 gradually slide to the middle parts of the vertical grooves 15, so that the first tower cylinder section 1 and the second tower cylinder section 2 are gradually aligned, and the first tower cylinder section 1 and the second tower cylinder section 2 cannot deviate from each other;
when the first tower-cylinder section 1 gradually compresses the second tower-cylinder section 2, the sealing ring 13 at the bottom of the first tower-cylinder section 1 is just embedded into the sealing groove 5 at the top of the second tower-cylinder section 2, so that the space around the embedded steel bar 3 is sealed, and in the later concrete grout pouring, the concrete grout is sealed by the sealing ring 13 and cannot leak;
the top ends of the embedded steel bars 3 gradually go deep into the vertical grooves 15, the bottom of the ejector rods 20 is wrapped by the inner grooves 4 and the ejector rods 20 are pushed upwards, the ejector rods 20 move upwards to drive the control plate 17 to move upwards, the control plate 17 moves upwards to open the slurry feeding channel 19 and the slurry leaking groove 21, at the moment, concrete slurry in the control box 14 can enter the slurry feeding channel 19 and the vertical grooves 15, on one hand, the concrete slurry enters the bottom forming groove 11 and the top forming groove 6 through the slurry feeding channel 19 and is solidified to form a tetrahedron-shaped part 28, the tetrahedron has good shearing resistance and is just located between the first tower cylinder section 1 and the second tower cylinder section 2, and mutual offset between the first tower cylinder section 1 and the second tower cylinder section 2 can be effectively prevented;
on the other hand, the concrete grout is accumulated in the vertical groove 15, completely wraps the embedded steel bars 3, and is connected with the embedded steel bars 3 and the first tower shell section 1 into a whole after being solidified, so that the connection is more stable and is not easy to break;
when first tower shell ring 1 produced the slope, can press annular pressure cover 25 through clamping ring 9, annular pressure cover 25 is pressed and is moved compression second spring 27, and under the effect of the elastic recovery power of second spring 27, the annular pressure cover 25 that is pressed and is moved can resume the normal position, and then supplementary first tower shell ring 1 resumes the normal position, and the effectual slope that prevents first tower shell ring 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A plant for wind power generation hybrid towers, comprising a first tower section (1) and a second tower section (2), characterized in that: embedded steel bars (3) are buried at the edges of the inner parts of the first tower shell ring (1) and the second tower shell ring (2), the top ends of the embedded steel bars (3) extend out of the tops of the first tower shell ring (1) and the second tower shell ring (2), a control box (14) is fixedly mounted at the bottom ends of the embedded steel bars (3), the control box (14) is fixedly mounted on the inner wall of a vertical groove (15), the vertical groove (15) is formed in the inner parts of the first tower shell ring (1) and the second tower shell ring (2), and a connecting notch (12) is formed at the bottom of the vertical groove (15);
slurry feeding channels (19) are formed in the centers of the first tower cylinder section (1) and the second tower cylinder section (2), the side ends of the slurry feeding channels (19) are communicated with a control box (14), bottom forming grooves (11) are formed in the bottoms of the slurry feeding channels (19), and top forming grooves (6) matched with the bottom forming grooves (11) are formed in the centers of the tops of the first tower cylinder section (1) and the second tower cylinder section (2);
be provided with controlling means between the top of embedded steel bar (3) in second tower shell ring (2) and the bottom of embedded steel bar (3) in first tower shell ring (1), work as when the top of embedded steel bar (3) in second tower shell ring (2) inserts in the perpendicular groove (15) in first tower shell ring (1), controlling means is used for making control box (14), perpendicular groove (15) and send and link up each other between thick liquid passageway (19).
2. An apparatus for a wind power hybrid tower according to claim 1, wherein: the top of first tower shell ring (1) and second tower shell ring (2) is encircleed embedded steel (3) and is formed with seal groove (5), the bottom of first tower shell ring (1) and second tower shell ring (2) encircle connect notch (12) fixed mounting have with seal ring (13) that seal groove (5) are coupled, when first tower shell ring (1) is connected with second tower shell ring (2), space around with sealed embedded steel (3) in seal groove (5) is embedded in seal ring (13).
3. An apparatus for a wind power hybrid tower according to claim 1, wherein: the control device comprises a first spring (16), a control plate (17) and an ejector rod (20), the bottom end of the embedded steel bar (3) extends to the inside of the control box (14) and is fixedly connected with the first spring (16), the bottom of the first spring (16) is fixedly provided with the control plate (17), the control plate (17) is L-shaped, one side of the L-shaped control plate (17) is used for plugging a slurry feeding channel (19), the bottom of the other side of the L-shaped control plate (17) is fixedly provided with the ejector rod (20), the outer wall of the ejector rod (20) is spliced with a slurry leakage groove (21), and the slurry leakage groove (21) is formed in the bottom of the control box (14).
4. A plant for a wind-power hybrid tower according to claim 3, characterized in that: the top end of the embedded steel bar (3) is provided with an inner groove (4) coupled with the ejector rod (20), and when the embedded steel bar (3) is inserted into the vertical groove (15), the inner groove (4) is used for connecting the embedded steel bar (3) and the ejector rod (20).
5. A plant for a wind-power hybrid tower according to claim 3, characterized in that: the outer wall at the top of the control box (14) is also fixedly provided with a grouting pipe (18), and the tail end of the grouting pipe (18) is communicated with the outside of the first tower tube section (1) and the second tower tube section (2) and is used for pouring concrete grout.
6. An apparatus for a wind power hybrid tower according to claim 1, wherein: the combination forms the shaping space between end shaping groove (11) and top shaping groove (6), be formed with tetrahedron formed part (28) through the concrete thick liquid in the shaping space, the upper portion of tetrahedron formed part (28) is located end shaping groove (11), the lower part of tetrahedron formed part (28) is located top shaping groove (6).
7. An apparatus for a wind power hybrid tower according to claim 1, wherein: the inner wall of erecting groove (15) still fixed mounting have guide board (22), the bottom of guide board (22) inner wall is formed with guide inclined plane (23) of outside slope, works as when the top of embedded steel bar (3) is inserted and is erected in groove (15), guide inclined plane (23) are used for guiding the insertion route on embedded steel bar (3) top.
8. An apparatus for a wind power hybrid tower according to claim 1, wherein: the bottom parts of the outer walls of the first tower cylinder section (1) and the second tower cylinder section (2) are fixedly provided with press rings (9), strong magnets (10) are uniformly arranged in the press rings (9), the arrangement positions and the number of the strong magnets (10) respectively correspond to the arrangement positions and the number of the embedded steel bars (3) and the vertical grooves (15), and when the first tower cylinder section (1) and the second tower cylinder section (2) are close to each other, the strong magnets (10) attract the embedded steel bars (3) to regulate the insertion positions of the embedded steel bars (3) relative to the vertical grooves (15);
the equal fixed mounting in top of first tower shell ring (1) and second tower shell ring (2) outer wall has supporting ring (7), the top fixed mounting of supporting ring (7) has subassembly of eliminating (8), works as when first tower shell ring (1) produces the slope for second tower shell ring (2), subassembly of eliminating (8) are used for supplementary first tower shell ring (1) to reset.
9. An apparatus for a wind power hybrid tower according to claim 8, wherein: eliminate subassembly (8) and press cover (25) and second spring (27) including annular installation cover (24), annular installation cover (24) fixed mounting is at the top of bearing ring (7), the outer wall of annular installation cover (24) has cup jointed annular pressure cover (25), fixedly connected with second spring (27) between the interior diapire of the interior roof of annular installation cover (24) and annular pressure cover (25) is pressed to the annular, the outer wall both sides of annular installation cover (24) still fixed mounting have curb plate (26).
10. An equipment hoisting and grouting installation method for a wind power generation mixing tower, which is used for the equipment for the wind power generation mixing tower according to any one of claims 1 to 9, and comprises the following steps:
s01: pouring concrete grout into the control box (14) through a grouting pipe (18);
s02: hoisting the first tower tube section (1) by a tower crane to enable the first tower tube section (1) to be positioned right above the second tower tube section (2) which is vertically installed, and then controlling the first tower tube section (1) to descend by the tower crane to enable the first tower tube section to gradually approach the second tower tube section (2);
s03: when the first tower cylinder section (1) is gradually close to the second tower cylinder section (2), the strong magnets (10) in the compression rings (9) respectively attract the top ends of the corresponding embedded steel bars (3), so that the top ends of the embedded steel bars (3) are positioned right below the vertical grooves (15), and the top ends of the embedded steel bars (3) can be conveniently inserted into the vertical grooves (15);
s04: the top ends of the embedded steel bars (3) are inserted into the vertical grooves (15), and under the guiding action of the guiding inclined planes (23) of the guiding plates (22), the embedded steel bars (3) gradually slide to the middle parts of the vertical grooves (15), so that the first tower cylinder section (1) and the second tower cylinder section (2) are gradually aligned;
s05: the top ends of the embedded steel bars (3) gradually go deep into the vertical grooves (15), the bottom of the ejector rods (20) is wrapped through the inner grooves (4) and the ejector rods (20) are pushed upwards, the ejector rods (20) move upwards to drive the control plates (17) to move upwards, the control plates (17) move upwards to open the slurry feeding channels (19) and the slurry leakage grooves (21), and at the moment, concrete slurry in the control box (14) can enter the slurry feeding channels (19) and the vertical grooves (15);
s06: when the first tower cylinder section (1) gradually compresses the second tower cylinder section (2), the sealing ring (13) at the bottom of the first tower cylinder section (1) is just embedded into the sealing groove (5) at the top of the second tower cylinder section (2) so as to seal the space around the embedded steel bar (3);
s07: on one hand, concrete grout enters the bottom forming groove (11) and the top forming groove (6) through the grout conveying channel (19) and is solidified to form a tetrahedral forming piece (28), on the other hand, the concrete grout is accumulated in the vertical groove (15) and completely wraps the embedded steel bars (3), and after solidification, the concrete grout is connected with the embedded steel bars (3) and the first tower shell ring (1) into a whole;
s08: when the first tower cylinder section (1) is gradually pressed against the second tower cylinder section (2), the press ring (9) at the bottom of the outer wall of the first tower cylinder section (1) also presses downwards to move the eliminating assembly (8), and when the first tower cylinder section (1) inclines relative to the second tower cylinder section (2), the eliminating assembly (8) is used for assisting the first tower cylinder section (1) to reset;
s09: and repeating the steps to connect other tower shell sections in sequence.
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