CN114749906B - Flange installation auxiliary device for manufacturing wind power generation tower - Google Patents
Flange installation auxiliary device for manufacturing wind power generation tower Download PDFInfo
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- CN114749906B CN114749906B CN202210503791.4A CN202210503791A CN114749906B CN 114749906 B CN114749906 B CN 114749906B CN 202210503791 A CN202210503791 A CN 202210503791A CN 114749906 B CN114749906 B CN 114749906B
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- pull rod
- rod
- bracket
- flange
- cylinder
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000010248 power generation Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 title claims description 17
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000008093 supporting effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of tower tube manufacturing, in particular to a flange mounting auxiliary device for wind power generation tower manufacturing, which comprises a bracket and a fixed support piece, wherein the center line of the bracket is overlapped with the axis of the tower tube, the fixed support piece is used for fixing the bracket in the tower tube, the bracket is an adjustable telescopic bracket, a guide tube capable of rotating on a vertical surface is rotatably connected to a movable telescopic end of the bracket, a second pull rod is slidably connected to the guide tube, one end of a first pull rod, far away from the second pull rod, is rotatably connected with a sliding block, a sliding way is arranged on the bracket along the length direction of the bracket, a sliding block power assembly is arranged on the bracket and used for driving the sliding block to slide, and when the flange moves to a vertical state, the center line of the second pull rod, the center line of the first pull rod and the center line of the sliding block are overlapped with the axis of the tower tube. The device can quickly finish centering of the flange and the tower, is simple to operate, can finish centering operation by one person, and reduces labor cost.
Description
Technical Field
The invention relates to the technical field of tower drum manufacturing, in particular to a flange installation auxiliary device for manufacturing a wind power generation tower.
Background
The inner diameter of the tower barrel of the wind power generation is several meters or even tens of meters, the length can reach tens of meters or even hundreds of meters, a plurality of shorter barrel bodies are welded and assembled in sequence to form the tower barrel, then a circular flange is welded at the end part of each barrel body, the flange is a connecting part between adjacent tower barrels for assembling the power generation tower barrel, the flange is relatively large in size and is integrally circular, when the flange is welded, the flange is required to be erected through a lifting machine, the flange and the tower barrel are manually arranged concentrically through instrument equipment or working experience of workers, spot welding is carried out, and finally internal and external full welding is carried out.
Disclosure of Invention
The invention aims to solve the problems pointed out in the background art, and provides a flange installation auxiliary device for manufacturing a wind power generation tower.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a flange installation auxiliary device for wind power generation tower manufacturing, includes the support that central line and tower section of thick bamboo axis coincidence set up, is used for with the support is fixed support piece in the tower section of thick bamboo, the support is adjustable telescopic bracket, the movable telescopic end of support rotates and is connected with the guide cylinder that can rotate at vertical face, sliding connection has the second pull rod in the guide cylinder, second pull rod bottom fixed mounting has the flange support frame that is used for flange, during the installation the central line of second pull rod with the axis coincidence setting of flange, install on the guide cylinder and be used for driving the power lifting unit that the second pull rod slided in its inside, second pull rod top rotation is connected with first pull rod, the one end that the second pull rod was kept away from to first pull rod is connected with the slider, the slide has been seted up along its length direction to the support, slider sliding connection in the slide just the central line of slider and the coincidence setting of tower section of thick bamboo axis, support mounting has the slider power pack that is used for driving the slider slip, when the flange moves to vertical state, the central line of second pull rod, the central line of first pull rod coincides with the tower axis.
The power lifting assembly comprises a gear connected with the guide cylinder in a rotating way and a first rotating motor fixedly installed with the guide cylinder, a power output shaft of the first rotating motor is connected with the gear in a transmission way, and a rack meshed with the gear is arranged on one side face of the second pull rod.
The power lifting assembly comprises a first power telescopic cylinder, a cylinder barrel of the first power telescopic cylinder is fixedly installed with the guide cylinder, and a piston rod of the first power telescopic cylinder is fixedly installed with the second pull rod.
The sliding block power assembly comprises a take-up pulley rotatably connected to the tail end of the support and a second rotating motor fixed to the support, a power output shaft of the second rotating motor is in transmission connection with the take-up pulley, and a rope or a chain is connected between the take-up pulley and the sliding block.
The sliding block power assembly comprises a second power telescopic cylinder, a cylinder barrel of the second power telescopic cylinder is fixed with the support, and a piston rod of the second power telescopic cylinder is fixed with the sliding block.
The support comprises two telescopic rod assemblies which are symmetrically arranged, each telescopic rod assembly comprises an outer support cylinder rod, an inner support slide rod which can stretch out and draw back in the outer support cylinder rods is inserted into the front ends of the outer support cylinder rods, two slide ways are arranged on the adjacent sides of the outer support cylinder rods, the slide blocks are slidably connected between the two outer support cylinder rods, the guide cylinders are rotationally connected between the front ends of the two inner support slide rods, and locking assemblies which are used for fixing the relative positions of the outer support cylinder rods and the inner support slide rods are arranged between the outer support cylinder rods and the inner support slide rods.
The support middle part fixed mounting has horizontal spacing portion, horizontal spacing portion has spacing passageway, the central line of second pull rod the central line of first pull rod the central line of slider when with tower bobbin axis coincidence, first pull rod the second pull rod just can pass spacing passageway.
The locking component comprises a pin inserted between the outer support cylinder rod and the inner support slide rod.
An elastic pressing plate is fixedly arranged on the front side of the horizontal limiting part, and the bottom surface of the elastic pressing plate is an arc-shaped surface; the pin end part is fixedly provided with an extension rod, the extension rod is fixedly provided with a push rod, the pin, the extension rod and the push rod are of a U-shaped structure, wedge-shaped surfaces are arranged on the upper part and the lower part of the end part of the push rod, and when the second pull rod gradually rotates to a horizontal state or in the moment that the second pull rod rotates to the horizontal state, the second pull rod extrudes the wedge-shaped surface of the push rod to enable the pin to be separated from the inner support slide rod.
The flange support frame comprises at least three second fixed cylinders which are distributed at equal angles and are fixed together, the bottom ends of the second pull rods are fixed at the junction of a plurality of second fixed cylinders, the end parts of the second fixed cylinders are inserted with second inner cylinders which can stretch out and draw back, the second fixed cylinders are fixed with the second inner cylinders through locking bolts, and the end parts of the second inner cylinders are fixed with L-shaped supports.
The flange installation auxiliary device for manufacturing the wind power generation tower has the beneficial effects that: the device can quickly finish centering of the flange and the tower, is simple to operate, can finish centering operation by one person, and reduces labor cost.
Drawings
FIG. 1 is a schematic view of an initial state flange of the present invention fixed on a flange support frame;
FIG. 2 is a schematic perspective view of a partial assembly of FIG. 1;
FIG. 3 is a schematic structural view showing a state that a flange is lifted and a second pull rod is changed from a labor-saving lever to a labor-saving lever;
FIG. 4 is a schematic perspective view of a partial assembly of FIG. 3;
FIG. 5 is a schematic view of the structure of the first pull rod of the present invention when the second pull rod is pulled to rotate at a certain angle;
FIG. 6 is a schematic perspective view of a partial assembly of FIG. 5;
FIG. 7 is a schematic cross-sectional view of the partial assembly of FIG. 5;
FIG. 8 is a schematic diagram of the overlapping structure of the center line of the second pull rod, the center line of the first pull rod and the center line of the sliding block;
FIG. 9 is a schematic perspective view of the partial assembly of FIG. 8;
FIG. 10 is a schematic view of the inner support slide bar of the present invention after retraction;
fig. 11 is a schematic top view of a flange and a flange support frame according to the present invention.
In the figure: the sliding block power assembly 1, the bracket 2, the annular fixed block 3, the first fixed cylinder 4, the first inner cylinder 5, the fixed support 6, the locking assembly 7, the first pull rod 8, the second pull rod 9, the power lifting assembly 10, the inner support slide rod 11, the flange support frame 12, the second fixed cylinder 13, the outer support cylinder rod 14, the second inner cylinder 15, the L-shaped bracket 16, the flange 17, the slide rail 18, the strip-shaped channel 19, the horizontal limiting part 20, the elastic pressing plate 21, the ejector rod 22, the sliding block 23, the guide cylinder 24, the pin 25, the tension spring 26 and the extension rod 27.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 11, a flange mounting auxiliary device for manufacturing a wind power generation tower comprises a bracket 2, a fixed support member 6, the bracket 2 is arranged with the axis of the tower, the bracket is fixed in the tower through the fixed support member 6, the center line of the bracket is overlapped with the axis of the tower, wherein the fixed support member 6 can adopt a structure that the fixed support member 6 comprises an annular fixed block 3, the bracket 2 penetrates through the annular fixed block 3 and is fixedly arranged with the annular fixed block, at least three first fixed cylinders 4 which are arranged at equal angles are fixedly arranged at the periphery of the annular fixed block 3, a first inner cylinder 5 is inserted at the end part of each first fixed cylinder 4 in a sliding way, the first inner cylinder and the first fixed cylinder 4 are fixed through locking bolts, scale marks are arranged in the length direction of the first inner cylinder 5, and the extending length of the first inner cylinder 5 is adjusted, the central line of the support 2 is overlapped with the axis of the tower, a linkage synchronous component can be arranged among the plurality of first inner cylinders 5, the plurality of first inner cylinders 5 can synchronously move in a telescopic way through the linkage synchronous component, the speed of overlapping the central line of the support 2 and the axis of the tower can be increased, the linkage synchronous component is not limited by a specific structure, the support 2 is an adjustable telescopic support which is in an elongated state in the initial state, as shown in figure 2, the movable telescopic end of the support 2 is rotatably connected with a guide cylinder 24 which can rotate on a vertical surface, for example, cylindrical bulges are fixed on two sides of the guide cylinder and are rotatably connected with the end part of the support, a second pull rod 9 is slidably connected with the guide cylinder 24, a flange support frame 12 for fixing a flange 17 is fixedly arranged at the bottom end of the second pull rod 9, the flange support frame 12 is fixed with the flange, the center line of the second pull rod 9 is overlapped with the axis of the flange 17 during installation, the power lifting component 10 for driving the second pull rod 9 to slide in the guide cylinder 24 is installed, the power lifting component 10 drives the second pull rod 9 to move upwards, the second pull rod 9 pulls the flange to separate from the ground and move upwards, the top end of the second pull rod 9 is rotationally connected with the first pull rod 8, one end of the first pull rod 8 far away from the second pull rod 9 is rotationally connected with the sliding block 23, the support 2 is provided with the sliding rail 18 along the length direction of the support 2, the sliding block 23 is slidably connected in the sliding rail 18, the center line of the sliding block 23 is overlapped with the axis of the tower, the support 2 is provided with the sliding block power component 1 for driving the sliding block 23 to slide, and when the flange 17 moves to a vertical state, the center line of the second pull rod 9, the center line of the first pull rod 8 and the center line of the sliding block 23 are all overlapped with the axis of the tower.
When installing the flange, near transporting the flange to the tower section of thick bamboo through flatbed or other equipment, refer to fig. 1, fix the flange on flange support frame 12, this moment the distance of second pull rod 9 bottom distance guide cylinder 24 pivot is greater than the distance of second pull rod 9 top distance guide cylinder 24 pivot, namely second pull rod 9 is laborious lever for guide cylinder 24, refer to fig. 3, upwards promote second pull rod 9 through power lift assembly 10, make flange 17 break away from the ground, along with second pull rod 9 upward movement, second pull rod 9 gradually changes into laborsaving lever for guide cylinder 24, refer to fig. 5-8, drive slider 23 backward movement through slider power assembly 1, through first pull rod 8 pull second pull rod 9, the central line of first pull rod 8, the central line of slider 23 is all moved to the horizontality when, because the central line of second pull rod 9, the central line of first pull rod 8, the central line of slider 23 all coincides with the tower axis, and the axis of flange 17 coincides with the axis of the tower, and the axis of flange 17 coincides with the axis of the flange, consequently, can finish the flange is realized to the flange through the quick-welding device after the two sets up the axial line of the flange, and the tower section of thick bamboo is completed, then, can finish the flange is moved to the flange through the axial line of the flange is coincident with the axial line of the flange, and is adjusted, the flange is finished, the axial line is finished after the flange is completely, and is easy through the flange is moved, and is finished, and is easy.
As an embodiment: the power lifting assembly 10 comprises a gear connected with the guide cylinder 24 in a rotating way and a first rotating motor fixedly installed with the guide cylinder 24, the first rotating motor and the gear are guaranteed to rotate along with the guide cylinder 24, a power output shaft of the first rotating motor is connected with the gear in a transmission way, a rack meshed with the gear is arranged on one side face of the second pull rod 9, the gear is driven to rotate through the first rotating motor, and the second pull rod 9 is driven to slide in the guide cylinder 24 through the gear.
As an embodiment: the power lifting assembly 10 comprises a first power telescopic cylinder, a cylinder barrel of the first power telescopic cylinder is fixedly installed with the guide cylinder 24, a piston rod of the first power telescopic cylinder is fixedly installed with the second pull rod 9, and the first power telescopic cylinder drives the second pull rod 9 to slide in the guide cylinder 24.
As an embodiment: the slider power component 1 is including rotating the take-up pulley of connecting at the support 2 terminal, fix the second rotating electrical machines on support 2, and the power take-up pulley transmission is connected with the power take-up pulley of second rotating electrical machines, is connected with rope or chain between take-up pulley and the slider 23, drives the take-up pulley through the second rotating electrical machines and rotates in order to wind rope or chain to this drives slider 23 and slides on support 2, and this kind of mode is favorable to saving space.
As an embodiment: the sliding block power assembly 1 comprises a second power telescopic cylinder, a cylinder barrel of the second power telescopic cylinder is fixed with the support 2, a piston rod of the second power telescopic cylinder is fixed with the sliding block, the sliding block 23 is driven to slide on the support 2 through the second power telescopic cylinder, the structure can enable the sliding block to move more stably, the moment that the locking force between the inner support sliding rod 11 and the outer support cylinder rod 14 disappears is avoided, the inner support sliding rod 11 is prevented from instantly and rapidly shrinking inwards, the second power telescopic cylinder can play a certain supporting and limiting role, and even if the locking force disappears, the inner support sliding rod 11 can be prevented from instantly shrinking outwards when the inner support sliding rod 14 is also guaranteed.
As a setting mode of the bracket 2, referring to fig. 2, the bracket 2 comprises two symmetrically arranged telescopic rod assemblies, the telescopic rod assemblies comprise outer support cylinder rods 14, the outer support cylinder rods 14 and the fixed support piece 6 are fixedly installed, the front ends of the outer support cylinder rods 14 are inserted with inner support slide rods 11 which can extend and retract in the outer support cylinder rods, the adjacent sides of the two outer support cylinder rods 14 are provided with slide ways 18, sliding blocks 23 are slidingly connected between the two outer support cylinder rods 14, the guide cylinders 24 are rotatably connected between the front ends of the two inner support slide rods 11, locking assemblies 7 for fixing the relative positions of the two inner support cylinder rods 14 and the inner support slide rods 11 are arranged between the outer support cylinder rods 14 and the inner support slide rods 11, when the locking assemblies 7 are opened, the fixed support piece 6 can extend and retract, when the locking assemblies 7 are closed, the inner support slide bar 11 is fixed state for the outer support cylinder rod 14, the support 2 adopts the structural style of the telescopic rod components that the symmetry set up, make first pull rod 8, second pull rod 9, guide cylinder 24, slider 23 can set up between two telescopic rod components, be favorable to realizing the coincidence of the central line of second pull rod 9, the central line of first pull rod 8, the central line of slider 23 and tower cylinder axis, the pivot of guide cylinder 24 and the central line of slider are located the central line position of two telescopic rod components when promptly assembling can, reduce the manufacturing degree of difficulty of this device, further, install thrust spring between outer support cylinder rod 14 and the inner support slide bar 11, when first pull rod 8, second pull rod 9 rotate to same horizontal plane, thrust spring can play certain support and cushioning effect to inner support slide bar 11.
Referring to fig. 2 and 7, a horizontal limiting portion 20 is fixedly installed in the middle of the bracket 2, the horizontal limiting portion 20 is provided with a limiting channel 28, the thickness of the first pull rod 8, the thickness of the second pull rod 9 and the thickness of the sliding block are the same as the height of the limiting channel, when the center line of the second pull rod 9, the center line of the first pull rod 8 and the center line of the sliding block 23 are overlapped with the axis of the tower, the first pull rod 8 and the second pull rod 9 can pass through the limiting channel, when the second pull rod 9, the first pull rod 8 and the sliding block are on the same plane, at least part of the first pull rod 8 is positioned in the limiting channel, the limiting channel 28 limits the rotating angles of the first pull rod 8 and the second pull rod 9, so that the first pull rod 8 and the second pull rod 9 can only be in a horizontal state and cannot rotate relatively, and the left end of the second pull rod 9 is prevented from reversing downwards due to the gravity of the flange.
The locking component 7 comprises a pin 25 which is inserted between the outer support cylinder rod 14 and the inner support slide rod 11, when the pin is inserted between the outer support cylinder rod 14 and the inner support slide rod 11, the outer support cylinder rod 14 and the inner support slide rod 11 cannot slide relatively, when the pin is pulled out from the inner support slide rod 11, the inner support slide rod 11 can slide in the outer support cylinder rod 14, when the first pull rod 8 and the second pull rod 9 rotate to a horizontal state, the pin is manually pulled out, then the slide block is pulled to move backwards continuously, the inner support slide rod 11 contracts, and the flange gradually leans against the end part of the tower cylinder.
Referring to fig. 7, an elastic pressing plate 21 is fixedly installed at the front side of the horizontal limiting portion 20, the elastic pressing plate 21 can be made of a metal plate with elastic bending recovery performance, one end of the metal plate is fixed with the horizontal limiting portion 20 or fixed with a bracket, the free end of the metal plate can elastically swing around the fixed end of the metal plate, so that the elastic pressing plate 21 can generate certain pressure on the first pull rod 8, the problem that the sliding block drives the first pull rod 8 and the second pull rod 9 to be mechanically blocked when relatively rotating can be avoided, the bottom surface of the elastic pressing plate 21 is an arc-shaped surface, when the first pull rod 8 and the second pull rod 9 are still at an obtuse angle, the elastic pressing plate 21 is supported on the top surface of the first pull rod 8, pressure is applied to the first pull rod 8, and the situation that the second pull rod 9 reversely rotates when pins are separated from the inner supporting sliding rod 11 is avoided, and the closer the distance between the elastic pressing plate 21 and the rotating shafts of the first pull rod 8 and the second pull rod 9 is beneficial to pushing the first pull rod 8 and the second pull rod 9 to move to a horizontal parallel state; the end part of the pin 25 is fixedly provided with an extension rod 27, the extension rod 27 is fixedly provided with a push rod 22, the pin 25, the extension rod 27 and the push rod 22 are in a U-shaped structure, wedge-shaped surfaces are arranged on the upper and lower parts of the end part of the push rod 22, when the second pull rod 9 gradually rotates to a horizontal state or the moment that the second pull rod 9 rotates to the horizontal state, the second pull rod 9 presses the wedge-shaped surface of the push rod 22 to enable the pin 25 to be separated from the inner support slide rod 11, and the position of the push rod 22 is set according to actual conditions;
if the moment that the second pull rod 9 rotates to the horizontal state is wanted, the wedge-shaped surface of the push rod 22 is extruded by the second pull rod 9 to separate the pin 25 from the inner support slide rod 11, then the push rod 22 is preferably arranged at the bottom of the outer support cylinder rod 14, so that the moment that the second pull rod 9 rotates to the horizontal state, the wedge-shaped surface of the push rod 22 is extruded by the second pull rod 9 to separate the pin 25 from the inner support slide rod 11, meanwhile, the first pull rod 8 enters the limiting channel 28 to prevent the second pull rod 9 from rotating reversely, if the limiting channel 28 does not limit the first pull rod 8, the second pull rod 9 rotates reversely under the action of the gravity pulling of the flange, and if the second pull rod 9 rotates reversely, the guide cylinder 24 of the second pull rod 9 pushes the inner support slide rod 11 to shrink towards the outer support cylinder rod 14, so that the flange centering operation cannot be completed;
if the second pull rod 9 is wanted to gradually rotate to a horizontal state, the second pull rod 9 presses the wedge-shaped surface of the ejector rod 22 to enable the pin 25 to separate from the inner support slide rod 11, referring to fig. 5-7, the ejector rod 22 is preferably arranged above the outer support cylinder rod 14, because the device drives the first pull rod 8 to move through the sliding block, so that the purpose that the second pull rod 9 rotates around the rotating shaft of the guide cylinder 24 is achieved, the greater the pulling force required by the sliding block is, the greater the pulling force is required by the first pull rod 8 and the second pull rod 9, the elastic pressing plate 21 is arranged, when the sliding block moves backwards, the elastic pressing plate 21 applies a downward elastic pressure to the first pull rod 8 to enable the first pull rod 8 and the second pull rod 9 to move to the horizontal parallel state, and when the second pull rod 9 is in an inclined state and the pin is pushed out of the inner support slide rod 11, the second pull rod 9 is enabled to generate a trend of reverse movement under the action of the flange gravity, so that the inner support 11 generates a shrinkage trend, and the supporting effect of the first pull rod 8 and the second pull rod 8 is facilitated through the supporting action of the elastic pressing plate 21 on the first pull rod 8, so that the first pull rod 8 and the second pull rod 9 move to the opposite to the horizontal state and the second pull rod 9 on the other side.
The two structures can realize the purpose that the inner support slide bar 11 automatically supports the cylinder rod 14 outwards to shrink on the premise that the first pull rod 8 and the second pull rod 9 move gradually to be overlapped with the axis of the tower along with the backward pulling of the slide block.
When the structure is expanded and actually works, the elastic pressing plate 21 cannot play an absolute limiting role on the inner support slide rod 11 due to the size of product tolerance, when the pin is separated from the inner support slide rod 11, the inner support slide rod 11 still can shrink a small distance towards the outer support cylinder rod 14, and a tension spring 26 can be arranged between the extension rod 27 and the bracket, so that after the work is finished, the inner support slide rod 11 is pushed outwards only, or the pin is automatically inserted between the inner support slide rod 11 and the outer support cylinder rod 14 through the tension spring 26 under the thrust action of the support spring between the inner support slide rod 11 and the outer support cylinder rod 14.
As one embodiment of the flange support frame 12: referring to fig. 1 and 11, the flange support frame 12 comprises at least three second fixing cylinders 13 which are distributed at equal angles and are fixed together, the bottom ends of the second pull rods 9 are fixed at the junction of the second fixing cylinders 13, the end parts of the second fixing cylinders 13 are inserted with second inner cylinders 15 which can stretch out and draw back, the second fixing cylinders 13 and the second inner cylinders 15 are fixed through locking bolts, the end parts of the second inner cylinders 15 are fixed with L-shaped brackets 16, the stretching length of the second inner cylinders 15 is adjusted, the horizontal parts of the L-shaped brackets 16 are supported at the bottom of the flange, the relative positions of the second inner cylinders 15 and the second fixing cylinders 13 are fixed through the locking bolts, the fixed installation of the flange and the flange support frame is completed, the structure is simple, the use is convenient, scales are preferably arranged on the surfaces of the second inner cylinders 15, and the center line of the second pull rods 9 and the axis of the flange are convenient to be overlapped.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solution, conception and design obtained by equivalent substitution or modification of the technical solution and the inventive concept thereof by those skilled in the art within the scope of the present invention should be covered in the scope of the present invention.
Claims (8)
1. The flange installation auxiliary device for manufacturing the wind power generation tower is characterized by comprising a bracket (2) with a central line coincident with the axis of the tower barrel and a fixed supporting piece (6) for fixing the bracket (2) in the tower barrel, wherein the bracket (2) is an adjustable telescopic bracket, a guide barrel (24) capable of rotating on a vertical surface is rotationally connected with a movable telescopic end of the bracket (2), a second pull rod (9) is slidably connected with the guide barrel (24), a flange supporting frame (12) for fixing the flange (17) is fixedly arranged at the bottom end of the second pull rod (9), the central line of the second pull rod (9) is coincident with the axis of the flange (17) during installation, a power lifting component (10) for driving the second pull rod (9) to slide in the bracket is arranged on the guide barrel (24), a first pull rod (8) is rotationally connected with the top end of the second pull rod (9), one end of the first pull rod (8) far away from the second pull rod (9) is rotationally connected with a sliding block (23), the bracket (2) is fixedly provided with a sliding block (23) along the central line of the bracket (23), the sliding component (23) is arranged in the sliding direction of the sliding block (18) along the bracket (23), the sliding direction of the sliding component (23) is arranged in the sliding direction of the sliding block (23), when the flange (17) moves to a vertical state, the central line of the second pull rod (9), the central line of the first pull rod (8) and the central line of the sliding block (23) are all overlapped with the axis of the tower cylinder;
the power lifting assembly (10) comprises a gear connected with the guide cylinder (24) in a rotating way and a first rotating motor fixedly installed with the guide cylinder (24), a power output shaft of the first rotating motor is connected with the gear in a transmission way, and a rack meshed with the gear is arranged on one side face of the second pull rod (9);
or the power lifting assembly (10) comprises a first power telescopic cylinder, a cylinder barrel of the first power telescopic cylinder is fixedly installed with the guide cylinder (24), and a piston rod of the first power telescopic cylinder is fixedly installed with the second pull rod (9).
2. Flange installation aid for manufacturing wind power towers according to claim 1, characterized in that the slider power assembly (1) comprises a take-up pulley rotatably connected to the end of the support (2), a second rotating electric machine fixed to the support (2), the power output shaft of the second rotating electric machine being in driving connection with the take-up pulley, a rope or a chain being connected between the take-up pulley and the slider (23).
3. Flange installation aid for manufacturing wind power towers according to claim 1, characterized in that the slider power assembly (1) comprises a second power telescopic cylinder, the cylinder barrel of which is fixed to the bracket (2), the piston rod of which is fixed to the slider.
4. Flange installation auxiliary device for manufacturing a wind power generation tower according to claim 1, characterized in that the bracket (2) comprises two symmetrically arranged telescopic rod assemblies, each telescopic rod assembly comprises an outer support cylinder rod (14), an inner support slide rod (11) capable of telescoping in each outer support cylinder rod (14) is inserted into the front end of each outer support cylinder rod, the slide way (18) is formed on the adjacent side of each outer support cylinder rod (14), the slide blocks (23) are slidably connected between the two outer support cylinder rods (14), the guide cylinders (24) are rotatably connected between the front ends of the two inner support slide rods (11), and a locking assembly (7) for fixing the relative positions of the two outer support cylinder rods (14) and the inner support slide rods (11) is arranged between the outer support cylinder rods (14).
5. The flange mounting auxiliary device for manufacturing a wind power generation tower according to claim 4, wherein a horizontal limiting part (20) is fixedly arranged in the middle of the bracket (2), the horizontal limiting part (20) is provided with a limiting channel, and the first pull rod (8) and the second pull rod (9) can pass through the limiting channel only when the central line of the second pull rod (9), the central line of the first pull rod (8) and the central line of the sliding block (23) are overlapped with the tower cylinder axis.
6. Flange installation aid for manufacturing wind power towers according to claim 5, characterized in that the locking assembly (7) comprises a pin (25) interposed between an outer support cylinder rod (14) and the inner support slide rod (11).
7. The flange installation auxiliary device for manufacturing a wind power generation tower according to claim 6, wherein an elastic pressing plate (21) is fixedly arranged on the front side of the horizontal limiting part (20), and the bottom surface of the elastic pressing plate (21) is an arc-shaped surface; the pin (25) tip fixed mounting has extension rod (27), extension rod (27) fixed mounting has ejector pin (22), pin (25), extension rod (27), ejector pin (22) are U-shaped structure, all have the wedge about ejector pin (22) tip, second pull rod (9) rotate to the horizontality gradually or in the twinkling of an eye that second pull rod (9) rotated to the horizontality, second pull rod (9) extrusion the wedge of ejector pin (22) makes pin (25) break away from interior support slide bar (11).
8. Flange installation aid for manufacturing wind power towers according to any of claims 1-7, characterized in that the flange support frame (12) comprises at least three second fixing cylinders (13) distributed at equal angles and fixed together, the bottom ends of the second pull rods (9) are fixed at the junction of a plurality of second fixing cylinders (13), the end parts of the second fixing cylinders (13) are inserted with telescopic second inner cylinders (15), the second fixing cylinders (13) and the second inner cylinders (15) are fixed through locking bolts, and the end parts of the second inner cylinders (15) are fixed with L-shaped brackets (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210503791.4A CN114749906B (en) | 2022-05-10 | 2022-05-10 | Flange installation auxiliary device for manufacturing wind power generation tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210503791.4A CN114749906B (en) | 2022-05-10 | 2022-05-10 | Flange installation auxiliary device for manufacturing wind power generation tower |
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| CN114749906A CN114749906A (en) | 2022-07-15 |
| CN114749906B true CN114749906B (en) | 2024-01-26 |
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| CN114749906A (en) | 2022-07-15 |
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