A blade mounting and fixing device for wind power construction

By employing assembly and locking mechanisms, the problems of low assembly efficiency and insufficient tightening force of single blades to hubs were solved, achieving efficient and stable connection between blades and generators and improving assembly quality.

CN119778175BActive Publication Date: 2025-11-07POWERCHINA HUBEI ELECTRIC ENGINEERING CO LTD
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Patent Information

Application Number
CN202510024539.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-11-07
Estimated Expiration
2045-01-08

AI Technical Summary

Technical Problem

In the existing technology, the assembly efficiency of a single blade and hub is low, and the tightening force of the central bolt is insufficient, making it easy to loosen and affecting the overall installation quality of the blade.

Method used

The assembly and locking mechanisms, including clamping components, insertion components, alignment components, and fixing components, enable the synchronous assembly and locking of the blades and hub. By using the matching arc strips and arc grooves for locking, combined with the positioning pins and positioning holes for locking, the accurate positioning and stable locking of the blades and generator are ensured.

Benefits of technology

This significantly improves the assembly efficiency and quality of small generators and blades, ensures a stable connection between the blades and the generator, reduces manual operation steps, and enhances assembly efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of wind power construction, and particularly relates to a blade mounting and fixing device for wind power construction, which comprises a mounting disc body in the shape of a ring, a generator body is arranged at the rear side of the mounting disc body, the central axes of the mounting disc body and the generator body are collinear, a main shaft is centrally arranged at the front end of the generator body, a hub body is sleeved on the main shaft, an internal hexagonal bolt is threadedly connected to the front end center of the main shaft, and an annular cavity is arranged in the hub body, the assembling mechanism and the locking mechanism are used in cooperation, which can effectively ensure the installation efficiency between the blade, the hub and the generator, and during the whole installation process, the worker only needs to tighten the single internal hexagonal bolt to complete the assembly of the blade, the hub and the generator, when the blade, the hub and the generator are in the integrated locking state during the tightening, the tightening force of the internal hexagonal bolt can be effectively ensured, and the assembly quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of wind power construction technology, in particular to a kind of wind power construction blade installation fixing device. BACKGROUND

[0002] Wind power construction refers to the working process of constructing wind power facilities, and the wind power facilities used in the working process refer to devices and systems that convert wind energy into electrical energy. Wind power facilities generally include large-scale wind power facilities and small-scale wind power systems.

[0003] In small-scale wind power systems, small generators are mainly used. Small generators are mainly composed of single blades, hubs and generators. The single blade, hub and generator are not integrally formed and need to be assembled later. During the assembly of the small generator, the single blade is generally installed on the hub to form an integral blade, and then the integral blade is installed on the generator spindle.

[0004] In the prior art, the assembly of the single blade and the hub is usually done by direct installation, that is, the single blade is aligned with the installation slot on the hub one by one, and then the two are tightened by bolts. In this process, multiple bolts need to be tightened, which is relatively slow in work efficiency. When the integral blade is installed on the generator spindle by the center bolt column, the generator spindle is rotating, and the generator spindle needs to be rotationally limited when the center bolt column is tightened. The existing rotation limiting means is usually limited by manual holding, which is insufficient in limitation. The tightening force of the center bolt column is insufficient, which can easily cause loosening and affect the installation quality of the integral blade. SUMMARY

[0005] The technical problem to be solved: the blade installation fixing device for wind power construction provided by the present application can solve the above-mentioned problems.

[0006] Technical scheme: In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a kind of wind power construction blade installation fixing device, including the installation disc body of circular ring, installation disc body rear side is provided with generator body, the center axis of installation disc body and generator body is collinear, the front end center of generator body is installed with main shaft, the hub body is sleeved on the main shaft and is limited, the inner hexagonal bolt is connected with the front end center of main shaft, the annular cavity is set in the hub body, the partition is fixedly connected in the installation disc body, the circular edge of hub body is equidistantly provided with three installation holes, the installation hole is communicated with annular cavity, the blade body is installed in the installation hole by installation plug, the installation plug is integrally fixed and connected with the blade body, the assembly mechanism for synchronously assembling each blade body and hub body is arranged on the installation disc body, and the locking mechanism for quickly locking each blade body and hub body is arranged on the hub body.

[0007] The assembling mechanism comprises three arc-shaped seats fixedly connected at the back side of the mounting disc body at equal intervals in a circle, two clamping frames symmetrically arranged movably in the arc-shaped seats, the blade bodies being placed between the two clamping frames, a clamping assembly arranged between the back sides of the two clamping frames for clamping the blade bodies, an inserting assembly arranged between the arc-shaped seats and the two clamping frames in the arc-shaped seats and inside the mounting disc body for synchronously inserting the mounting inserting strips of the blade bodies into the mounting holes respectively, and a fixing assembly arranged between the mounting disc body and the generator body for locking the mounting disc body on the generator body.

[0008] The locking mechanism comprises a rotating seat rotatably connected to the hub body and located at the periphery of the inner hexagonal bolt, three supporting arms fixedly connected at equal intervals in a circle inside a section of the annular cavity of the rotating seat, a plurality of fitting arc strips fixedly connected at equal intervals on one side of the supporting arms, and a plurality of arc grooves formed on the mounting inserting strip and matched with the plurality of fitting arc strips on the single supporting arm.

[0009] As a preferred technical solution of the present application, the clamping assembly comprises an X-shaped hinge arm group arranged at the front sides of the two clamping frames of the same arc-shaped seat, the X-shaped hinge arm group being composed of two connecting arms and a hinge rod in an X shape, the hinge rod being fixedly connected to the moving seat, the two connecting arms being rotatably connected to the two clamping frames at their ends close to the hub body through rotating pins, the front sides of the two clamping frames being each provided with a limiting sliding groove at their ends away from the hub body, the two connecting arms being rotatably connected to sliding pins at their ends away from the hub body, the sliding pins being slidably and limitingly connected in the limiting sliding grooves through cross grooves, and two push blocks being rotatably connected to the two sliding pins, a double-headed telescopic column being fixedly connected between the two push blocks, the center of the double-headed telescopic column being fixedly connected to the output end of the first electric push rod through a fixed block, and the first electric push rod being fixedly connected to the moving seat.

[0010] As a preferred technical solution of the present application, the inserting assembly comprises a movable groove two formed on the back side wall of the mounting disc body and corresponding to the arc-shaped seats, the movable groove two being in a cross section, a push arm being slidably and limitingly connected in the movable groove two, the push arm extending towards the central axis of the arc-shaped seat and having a push rod fixedly connected at its end and pointing to the moving seat, the push rod being slidably connected at its end away from the push arm in a connecting arc frame, limiting blocks being arranged on both sides of the connecting arc frame and fixedly connected to the push rod, the connecting arc frame being fixedly connected to the moving seat through a supporting block at its side away from the push arm, the moving seat being slidably and limitingly connected in a guide seat through a T-shaped groove, and a righting component being arranged on the mounting disc body and each moving seat for righting the blade bodies.

[0011] As a preferred technical scheme of the present application, the inserting assembly further comprises engaging seats two fixedly connected to the push arms at the inner end of the mounting disc body, each engaging seat two is jointly engaged to the same vortex track two, the vortex track two is fixedly connected to the rotating ring two, the rotating ring two is rotatably connected between the partition layer and the outer ring wall of the mounting disc body, the front side of the rotating ring two is fixedly connected with a gear ring two, the gear ring two is peripherally and downwardly engaged with a gear wheel two, the gear wheel two is rotatably connected between the front and back walls of the mounting disc body through a connecting shaft two, the connecting shaft two extends to the front side of the mounting disc body and is fixedly connected to the output end of the motor two, and the motor two is fixedly connected to the front side wall of the mounting disc body.

[0012] As a preferred technical scheme of the present application, the pushing component comprises a rotating arc frame which is slidingly connected in the arc-shaped seat through a trapezoidal slot, the rotating arc frame is concentric with the arc-shaped seat and the centers of the two are on the central axis surface in the width direction of the installed blade body, and the inner ring wall of the rotating arc frame is fixedly connected with the guide seat.

[0013] As a preferred technical scheme of the present application, the pushing component further comprises a plurality of electric push rods two fixedly connected to the front side of the mounting disc body, the output ends of each electric push rod two are forwardly and jointly fixedly connected with a connecting ring through a support plate, the rear side of the connecting ring is fixedly connected with a jacking post corresponding to the position of the central axis surface in the width direction of each blade body, and the jacking post is fixedly connected with a U-shaped abutting seat and points to the blade body.

[0014] As a preferred technical scheme of the present application, the fixing assembly comprises a movable slot one which is arranged on the rear side wall of the mounting disc body and between the two movable slots two, the cross section of the movable slot one is cross-shaped, a abutting arm is slidingly and limitingly connected in the movable slot one, and the abutting arm is bent towards the generator body and one end close to the generator body is fixedly connected with a rubber plate.

[0015] As a preferred technical scheme of the present application, the fixing assembly further comprises engaging seats one fixedly connected to the abutting arm at the inner end of the mounting disc body, each engaging seat one is jointly engaged to the same vortex track one, the vortex track one is fixedly connected to the rotating ring one, the rotating ring one is rotatably connected between the partition layer and the inner ring wall of the mounting disc body, the front side of the rotating ring one is fixedly connected with a gear ring one, the gear ring one is peripherally and downwardly engaged with a gear wheel one, the gear wheel one is rotatably connected between the front and back walls of the mounting disc body through a connecting shaft one, the connecting shaft one extends to the front side of the mounting disc body and is fixedly connected to the output end of the motor one, and the motor one is fixedly connected to the front side wall of the mounting disc body.

[0016] As a preferred technical scheme of the present application, the front side of the mounting inserting strip and the fitting arc strip is jointly provided with a positioning hole, a counterbore washer is sleeved on the shank of the inner hexagonal bolt, and a positioning post is fixedly connected to the counterbore washer at a position corresponding to each positioning hole.

[0017] As a preferred technical scheme of the present application, the annular cavity is fixedly connected with positioning blocks corresponding to the positions of the mounting holes, the positioning blocks are on the same circle, and the arc groove on the mounting plug and the fitting arc strip are on the same circle in the contact state of the positioning blocks and the inner end of the mounting plug.

[0018] Advantages:

[0019] 1. The assembling mechanism adopted by the present application can quickly assemble and disassemble three groups of blades through the clamping assembly, can synchronously insert the three groups of blades into the hub through the insertion assembly, and can ensure the accurate positioning of the blades and the generator through the fixing assembly, so that the overall working process can be automatically completed, and the assembling efficiency and quality of the small generator and the blades can be significantly improved.

[0020] 2. The locking mechanism adopted by the present application improves the structure of the existing hub, converts the fixing mode of the blades and the generator by multiple bolts into a double synchronous locking mode, one of which is locked by the cooperation of the fitting arc strip and the arc groove, and the other of which is locked by the cooperation of the positioning column and the positioning hole, so that the locking effect is stable, the overall working steps are less, and the assembling efficiency of the blades and the generator can be further significantly improved.

[0021] 3. The assembling mechanism and the locking mechanism adopted by the present application are used in cooperation, which can effectively ensure the installation efficiency between the blades, the hub and the generator, and at the same time, the overall installation process only needs to complete the tightening of a single inner hexagonal bolt to complete the assembly of the blades, the hub and the generator, so that the tightening force of the inner hexagonal bolt can be effectively ensured, and the assembly quality can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below in combination with the drawings and examples.

[0023] Figure 1 is the first perspective view of the structure of the present application.

[0024] Figure 2 is the second perspective view of the structure of the present application.

[0025] Figure 3 is the first perspective view of the internal section structure of the hub body of the present application.

[0026] Figure 4 is the second perspective view of the half-section structure of the hub body of the present application.

[0027] Figure 5 is the front view of the section structure of the mounting disc body of the present application.

[0028] Figure 6is the rear view structure schematic diagram of the installation disc body of the present application.

[0029] Figure 7 is the partial structure schematic diagram of the righting assembly of the present application.

[0030] Figure 8 is the first view structure schematic diagram of the insertion assembly and the clamping assembly after removing the installation disc body of the present application.

[0031] Figure 9 is the second view structure schematic diagram of the insertion assembly and the clamping assembly after removing the installation disc body of the present application.

[0032] Figure 10 is the third view structure schematic diagram of the insertion assembly and the clamping assembly after removing the installation disc body of the present application.

[0033] In the figure: 1, generator body; 11, blade body; 12, installation plug; 13, main shaft; 2, assembling mechanism; 21, fixed assembly; 211, movable groove one; 212, abutting arm; 213, gear one; 214, rotating ring one; 2141, gear ring one; 2142, spiral track one; 215, meshing seat one; 22, clamping assembly; 221, X-shaped hinge arm group; 222, limiting sliding groove; 223, push block; 224, electric push rod one; 225, double-headed telescopic column; 23, insertion assembly; 231, movable groove two; 232, righting component; 2321, electric push rod two; 2322, jacking column; 2323, U-shaped abutting seat; 2324, support plate; 2325, connecting ring; 2326, rotating arc frame; 233, gear two; 234, rotating ring two; 2341, gear ring two; 2342, spiral track two; 235, push arm; 2351, push rod; 2352, limiting block; 236, meshing seat two; 237, guide seat; 238, moving seat; 2381, connecting arc frame; 24, clamping frame; 25, arc-shaped seat; 3, installation disc body; 31, partition layer; 4, motor one; 5, motor two; 6, hub body; 61, installation hole; 7, locking mechanism; 71, righting seat; 72, positioning hole; 73, support arm; 74, matching arc strip; 75, counterbore washer; 76, inner hexagonal bolt; 77, positioning column; 8, positioning block. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below with reference to the accompanying drawings, but the present application can be implemented in various different ways limited and covered by the claims.

[0035] Reference is made to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model provides a kind of blade installation fixing device of wind power construction, including annular installation disc body 3, generator body 1 is provided in installation disc body 3 rear side, the center axis of installation disc body 3 and generator body 1 is collinear, the front end center of generator body 1 is equipped with main shaft 13, wheel hub body 6 is set on main shaft 13 upper limit, the front end center of main shaft 13 is threadedly connected with internal hexagon bolt 76, the inside of wheel hub body 6 is provided annular cavity, installation disc body 3 is fixedly connected with interlayer 31 inside, the circular edge circumference of wheel hub body 6 is equidistantly provided with three mounting holes 61, mounting hole 61 is communicated with annular cavity, blade body 11 is installed in mounting hole 61 by installation plug 12, installation plug 12 is integrally fixedly connected with blade body 11, installation disc body 3 is provided with the assembling mechanism 2 for synchronously assembling each blade body 11 and wheel hub body 6, wheel hub body 6 is provided with the locking mechanism 7 for making it quickly and each blade body 11 locking.

[0036] Referring to Figure 1 And Figure 8 The assembling mechanism 2 includes three arc-shaped seats 25 fixedly connected equidistantly on the rear side of the installation disc body 3, two clamping frames 24 symmetrically distributed are movably arranged in the arc-shaped seats 25, the blade body 11 is placed between the two clamping frames 24, a clamping assembly 22 for clamping the blade body 11 is commonly arranged between the rear sides of the two clamping frames 24, an insertion assembly 23 for synchronously inserting the installation plug 12 of each blade body 11 into the corresponding mounting hole 61 is commonly arranged between the arc-shaped seats 25 and the two clamping frames 24 therein and inside the installation disc body 3, and a fixing assembly 21 for locking the installation disc body 3 on the generator body 1 is further arranged between the installation disc body 3 and the generator body 1.

[0037] Referring to Figure 3 The locking mechanism 7 includes a rotating seat 71 rotatably connected to the wheel hub body 6 and located at the periphery of the internal hexagon bolt 76, three supporting arms 73 are fixedly connected equidistantly on a section of the circumference of the rotating seat 71 located inside the annular cavity, a plurality of engagement arc strips 74 are fixedly connected equidistantly on one side of each supporting arm 73, and a plurality of arc grooves are formed on the installation plug 12 and matched with the plurality of engagement arc strips 74 on each supporting arm 73.

[0038] In specific work, the position of the engagement arc strip 74 is changed by rotating the rotating seat 71 to make the engagement arc strip 74 inserted into the arc groove, so as to connect the wheel hub body 6 and each blade body 11, and the generator body 1 and the wheel hub body 6 are locked and connected by rotating the internal hexagon bolt 76.

[0039] Referring to Figure 1 、 Figure 8 、 Figure 9 And Figure 10The clamping assembly 22 comprises an X-shaped hinged arm group 221 arranged on the front side of the two clamping frames 24 of the same arc-shaped seat 25, the X-shaped hinged arm group 221 is composed of two connecting arms and a hinge rod in an X-shaped hinge, the hinge rod is fixedly connected to the moving seat 238, the two connecting arms are respectively hingedly connected to the two clamping frames 24 by rotating pins at the ends close to the hub body 6, the front side of the two clamping frames 24 away from the hub body 6 is provided with a limiting sliding groove 222, the ends of the two connecting arms away from the hub body 6 are hingedly connected with sliding pins, the sliding pins slide through cross grooves and are limitingly connected in the limiting sliding grooves 222, the two sliding pins are further rotatably connected with push blocks 223, the two push blocks 223 are fixedly connected with a double-headed telescopic column 225, the center of the double-headed telescopic column 225 is fixedly connected to the output end of the electric push rod one 224 through a fixed block, and the electric push rod one 224 is fixedly connected to the moving seat 238.

[0040] In specific work, the double-headed telescopic column 225 is controlled to move along the radial direction of the mounting disc body 3 by the electric push rod one 224, when the double-headed telescopic column 225 moves away from the hub body 6, the sliding pins are driven by the push blocks 223 to move away from the hub body 6 in the limiting sliding grooves 222, the X-shaped hinged arm group 221 is controlled by the sliding pins to change the included angle, so that the clamping frames 24 clamp the blade body 11, on the contrary, when the double-headed telescopic column 225 moves close to the hub body 6, the clamping frames 24 will loosen the clamping of the blade body 11, and in the use process, the center distance of the two sliding pins is adaptively adjusted by the telescopic action of the double-headed telescopic column 225.

[0041] Referring to Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 8 and Figure 9The insertion assembly 23 comprises movable grooves two 231 which are arranged on the rear side wall of the mounting disc body 3 and correspond to the arc-shaped seats 25, the cross section of the movable grooves two 231 is cross-shaped, the push arm 235 is slidably and limitingly connected in the movable grooves two 231, the push arm 235 extends to the central axis of the arc-shaped seat 25, and the end of the push arm 235 is fixedly connected with the push rod 2351 which points to the moving seat 238, the end of the push rod 2351 away from the push arm 235 is slidably connected in the connecting arc bracket 2381, the connecting arc bracket 2381 is fixedly connected with the limit block 2352 on the push rod 2351, and the side of the connecting arc bracket 2381 away from the push arm 235 is fixedly connected with the moving seat 238 through the supporting block (the supporting block is used for compensating the movable range of the limit block 2352 close to the moving seat 238, so that the limit block 2352 and the moving seat 238 are prevented from being in contact and friction, which is not shown in the figure), and the moving seat 238 is slidably and limitingly connected in the guide seat 237 through the T-shaped groove, and the mounting disc body 3 and the moving seat 238 are provided with the righting component 232 which is used for righting the blade body 11; the insertion assembly 23 further comprises the engaging seat two 236 which is fixedly connected with the end of the push arm 235 inside the mounting disc body 3, the engaging seat two 236 is jointly and engagingly connected with the same spiral track two 2342, the spiral track two 2342 is fixedly connected with the rotating ring two 234, the rotating ring two 234 is rotatably connected between the partition layer 31 and the outer ring wall of the mounting disc body 3, the front side of the rotating ring two 234 is fixedly connected with the gear ring two 2341, the gear ring two 2341 is engagingly connected with the gear two 233 on the lower side of the periphery of the gear ring two 2341, the gear two 233 is rotatably connected between the front wall and the rear wall of the mounting disc body 3 through the connecting shaft two, the connecting shaft two extends to the outside of the front side of the mounting disc body 3 and is fixedly connected with the output end of the motor two 5, and the motor two 5 is fixedly connected with the front side wall of the mounting disc body 3.

[0042] In specific work, the gear two 233 is driven to rotate by the motor two 5 to drive the gear ring two 2341 to rotate and control the rotating ring two 234 to rotate, the spiral track two 2342 on the rotating ring two 234 controls the engaging seat two 236 to perform centripetal motion synchronously, the push arm 235 is driven to move along the movable groove two 231 by the engaging seat two 236, the push rod 2351 is driven to control the connecting arc bracket 2381 to drive the moving seat 238 to move along the guide seat 237 by the movement of the push arm 235, the mounting insertion strip 12 of the blade body 11 is inserted into the mounting hole 61 by the moving seat 238, and the connecting arc bracket 2381 can adapt to the rotation of the moving seat 238 in the righting process.

[0043] Referring to Figure 2 , Figure 7 , Figure 8 and Figure 10The aligning component 232 comprises a rotating arc frame 2326 connected in the arc-shaped seat 25 through a trapezoidal slot, the rotating arc frame 2326 is concentric with the arc-shaped seat 25, and the centers of both are on the middle axial surface of the width direction of the installed blade body 11, the inner ring wall of the rotating arc frame 2326 is fixedly connected with the guide seat 237; the aligning component 232 further comprises a plurality of electric push rods two 2321 fixedly connected on the front side of the installed disc body 3, the output ends of each electric push rod two 2321 are forward and are fixedly connected with a connecting ring 2325 through a support plate 2324, the rear side of the connecting ring 2325 is fixedly connected with a top post 2322 corresponding to the position of the middle axial surface of the width direction of each blade body 11, the top post 2322 points to the blade body 11 and is fixedly connected with a U-shaped abutting seat 2323.

[0044] In specific work, the connecting ring 2325 is controlled to move through the electric push rod two 2321, in the actual application scene, the blade body 11 needs to be inclined at a certain angle to be driven to rotate by the wind, so the installation plug 12 and the blade body 11 are not in the same plane, and in the initial state, the installation plug 12 is not necessarily in the same plane with the installation hole 61, but in the actual installation, the installation hole 61 needs to be coplanar with the installation plug 12, so the installation plug 12 needs to be aligned to the plane corresponding to the installation hole 61 through the aligning component 232, when aligning, the connecting ring 2325 moves backward, driving the top post 2322 to control the U-shaped abutting seat 2323 to align the inclined installation plug 12, one side of the U-shaped abutting seat 2323 will first contact the installation plug 12, during the continuous force application, the installation plug 12 will rotate, when both sides of the U-shaped abutting seat 2323 contact the installation plug 12, that is, the installation plug 12 is coplanar with the installation hole 61, so as to ensure the accurate butt joint of the installation hole 61 and the installation plug 12.

[0045] Referring to Figure 1 , Figure 2 , Figure 5 and Figure 6The fixed assembly 21 comprises a movable slot one 211 provided on the rear side wall of the mounting disc body 3 and between the two movable slots two 231, the movable slot one 211 is cross-shaped in section, a abutting arm 212 is slidably connected in the movable slot one 211, and the abutting arm 212 is bent towards the generator body 1 and one end close to the generator body 1 is fixedly connected with a rubber plate; the fixed assembly 21 further comprises a meshing seat one 215 fixedly connected with the end of the abutting arm 212 inside the mounting disc body 3, each meshing seat one 215 is jointly connected with the same scroll track one 2142, the scroll track one 2142 is fixedly connected with the rotating ring one 214, the rotating ring one 214 is rotatably connected between the inner ring wall of the mounting disc body 3 and the partition layer 31, the front side of the rotating ring one 214 is fixedly connected with a gear ring one 2141, the gear ring one 2141 is meshingly connected with a gear one 213 on the lower side of the periphery of the gear ring one 2141, the gear one 213 is rotatably connected between the front and rear walls of the mounting disc body 3 through a connecting shaft one, the connecting shaft one extends to the outside of the front side of the mounting disc body 3 and is fixedly connected with the output end of the motor one 4, and the motor one 4 is fixedly connected with the front side wall of the mounting disc body 3.

[0046] In specific work, the motor one 4 controls the gear one 213 to rotate to drive the gear ring one 2141 to rotate to control the rotating ring one 214 to rotate, the scroll track one 2142 on the rotating ring one 214 controls each meshing seat one 215 to perform centripetal motion synchronously, the meshing seat one 215 drives the abutting arm 212 to control the rubber plate to abut against the circumferential side wall of the generator body 1, so that the mounting disc body 3 and the generator body 1 are coaxially matched, the generator body 1 is locked by the device, and the blade body 11 is fixed, so that the generator body 1 and the blade body 11 are in a relative locking state, the tightening force of the hexagonal bolt 76 is ensured, and bolt loosening is avoided.

[0047] Referring to Figure 3 and Figure 4 , the mounting plug strip 12 and the front side of the matching arc strip 74 are jointly provided with a positioning hole 72, the shank of the hexagonal bolt 76 is sleeved with a counterbore washer 75, and the counterbore washer 75 is fixedly connected with a positioning column 77 at positions corresponding to each positioning hole 72.

[0048] In specific work, when the hexagonal bolt 76 is tightened, the counterbore washer 75 is driven by the hexagonal bolt 76 to approach the hub body 6, the positioning column 77 is inserted into the positioning hole 72 by the counterbore washer 75, the positioning hole 72 can maintain a circular state, the connection between the mounting plug strip 12 and the matching arc strip 74 is locked, and the stability of the connection between the mounting plug strip 12 and the matching arc strip 74 is ensured.

[0049] Referring to Figure 3 and Figure 4The positioning block 8 is fixedly connected to the position corresponding to each mounting hole 61 inside the annular cavity, each positioning block 8 is on the same circle, and the arc groove on the mounting plug 12 is on the same circle with the matching arc strip 74 in the contact state of the positioning block 8 and the inner end of the mounting plug 12.

[0050] In particular, when the mounting plug 12 is inserted into the mounting hole 61, the insertion size of the mounting plug 12 is limited by the positioning block 8, so that the arc groove on the mounting plug 12 can be accurately butted with the matching arc strip 74.

[0051] In use: S1: The gear 213 is rotated by the motor 4 to drive the gear ring 2141 to rotate and control the rotating ring 214 to rotate, the vortex track 2142 on the rotating ring 214 controls each meshing seat 215 to perform centripetal motion synchronously, the rubber plate is pressed against the circumferential side wall of the generator body 1 by the abutting arm 212 driven by the meshing seat 215, so as to coaxially cooperate the mounting disc body 3 and the generator body 1.

[0052] S2: The blade body 11 is inserted into the clamping frame 24 one by one, after insertion, the double-headed telescopic column 225 is moved along the radial direction of the mounting disc body 3 by the electric push rod 224, when the double-headed telescopic column 225 moves away from the hub body 6, the sliding pin is driven by the push block 223 to move in the limiting sliding groove 222 away from the hub body 6, the X-shaped hinge arm group 221 changes the included angle by the sliding pin, so that the clamping frame 24 clamps the blade body 11, and the clamping force cannot be too large.

[0053] S3: The connecting ring 2325 is moved by the electric push rod 2321, when the connecting ring 2325 moves backward, the U-shaped abutting seat 2323 is driven by the top column 2322 to correct the inclined mounting plug 12, through the connecting arc frame 2381, the rotation of the moving seat 238 generated in the fitting correction process, then the mounting hole 61 and the blade body 11 are in the same straight line by manually rotating the main shaft 13, the gear 233 is rotated by the motor 5 to drive the gear ring 2341 to rotate and control the rotating ring 234 to rotate, the vortex track 2342 on the rotating ring 234 controls each meshing seat 236 to perform centripetal motion synchronously, the push arm 235 is moved along the radial direction of the movable groove 231 by the meshing seat 236, the push rod 2351 is driven by the push arm 235 to control the connecting arc frame 2381 to move the moving seat 238 along the guide seat 237, the blade body 11 is inserted into the mounting hole 61 by the moving seat 238 driving the mounting plug 12 of the blade body 11, the blade body 11 is inserted into the mounting hole 61, when the mounting plug 12 is inserted into the mounting hole 61, the insertion size of the mounting plug 12 is limited by the positioning block 8, when the insertion size is excessive, the blade body 11 will slide in the clamping frame 24.

[0054] S4: by rotating the dial seat 71 control fitting arc strip 74 change position, make fitting arc strip 74 inserted into the arc groove, so as to connect the hub body 6 and each blade body 11, and then rotate the hexagonal bolt 76, the generator body 1 and the hub body 6 are locked and connected, when the hexagonal bolt 76 is tightened, the counter bore washer 75 is close to the hub body 6 driven by the hexagonal bolt 76, the positioning column 77 is inserted into the positioning hole 72 driven by the counter bore washer 75, so as to complete the assembly of the blade body 11, the generator body 1 and the hub body 6.

[0055] S5: through the clamping assembly 22 and the fixed assembly 21, the two loose processes cooperate, which can disassemble the device from the installed small generator.

[0056] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A blade mounting fixture for wind power construction, comprising a mounting disc body (3) in the shape of a circular ring, a generator body (1) being arranged at the rear side of the mounting disc body (3), the central axes of the mounting disc body (3) and the generator body (1) being collinear, a main shaft (13) being centrally arranged at the front end of the generator body (1), a wheel hub body (6) being sleeved on the main shaft (13) in a limiting manner, and an internal hexagonal bolt (76) being threadedly connected to the front end of the main shaft (13), characterized in that: The hub body (6) is internally provided with an annular cavity, the mounting disc body (3) is fixedly connected with a partition layer (31) internally, three mounting holes (61) are equidistantly arranged on the circumference of the circular edge of the hub body (6), the mounting holes (61) are communicated with the annular cavity, the blade body (11) is mounted in the mounting hole (61) through the mounting plug (12), the mounting plug (12) is fixedly connected with the blade body (11) integrally, the mounting disc body (3) is provided with an assembling mechanism (2) for synchronously assembling the blade body (11) and the hub body (6), and the hub body (6) is provided with a locking mechanism (7) for quickly locking the hub body (6) and the blade body (11); The assembling mechanism (2) comprises three arc-shaped seats (25) which are equidistantly fixedly connected on the rear side of the mounting disc body (3), two clamping frames (24) which are symmetrically arranged are movably arranged in the arc-shaped seat (25), the blade body (11) is arranged between the two clamping frames (24), a clamping assembly (22) for clamping the blade body (11) is arranged between the rear sides of the two clamping frames (24), an inserting assembly (23) for synchronously inserting the mounting plug (12) of each blade body (11) into the mounting hole (61) is arranged between the arc-shaped seat (25) and the two clamping frames (24) and in the mounting disc body (3), and a fixing assembly (21) for locking the mounting disc body (3) on the generator body (1) is further arranged between the mounting disc body (3) and the generator body (1); The locking mechanism (7) comprises a rotating seat (71) which is rotatably connected on the hub body (6) and surrounds an inner hexagonal bolt (76), three supporting arms (73) are equidistantly fixedly connected on a section of the circumference of the rotating seat (71) which is arranged in the annular cavity, a plurality of matching arc strips (74) are equidistantly fixedly connected on one side of the supporting arm (73), and a plurality of arc grooves are arranged on the mounting plug (12) and matched with the arc strips (74) on the supporting arm (73); The inserting assembly (23) comprises a movable groove two (231) which is arranged on the rear side wall of the mounting disc body (3) and corresponds to the arc-shaped seat (25), the cross section of the movable groove two (231) is in the shape of a cross, a pushing arm (235) is slidably and limitingly connected in the movable groove two (231), the pushing arm (235) extends to the central axis of the arc-shaped seat (25) and is fixedly connected with a pushing rod (2351) which points to a moving seat (238), one end of the pushing rod (2351) away from the pushing arm (235) is slidably connected in a connecting arc frame (2381), limit blocks (2352) are arranged on the two sides of the connecting arc frame (2381) and are fixedly connected on the pushing rod (2351), one side of the connecting arc frame (2381) away from the pushing arm (235) is fixedly connected on the moving seat (238) through a supporting block, the moving seat (238) is slidably and limitingly connected in a guide seat (237) through a T-shaped groove, and the mounting disc body (3) and the moving seat (238) are provided with a righting part (232) for righting the blade body (11). The inserting assembly (23) further comprises engaging seats two (236) fixedly connected to the push arms (235) at the inner ends of the mounting disc body (3), each engaging seat two (236) is jointly engaged to the same spiral rail two (2342), the spiral rail two (2342) is fixedly connected to the rotating ring two (234), the rotating ring two (234) is rotatably connected between the partition layer (31) and the outer ring wall of the mounting disc body (3), the front side of the rotating ring two (234) is fixedly connected with a gear ring two (2341), the gear ring two (2341) is engaged with a gear two (233) on the outer periphery of the lower side, the gear two (233) is rotatably connected between the front and rear walls of the mounting disc body (3) through a connecting shaft two, the connecting shaft two extends to the outside of the front side of the mounting disc body (3) and is fixedly connected to the output end of the motor two (5), and the motor two (5) is fixedly connected to the front side wall of the mounting disc body (3); The said dialing component (232) comprises a rotating arc frame (2326) which is slidingly connected in the arc-shaped seat (25) through a trapezoidal slot, the rotating arc frame (2326) is concentric with the arc-shaped seat (25) and the centers of both are on the central axis surface of the width direction of the installed blade body (11), and the inner ring wall of the rotating arc frame (2326) is fixedly connected with the guide seat (237); The said dialing component (232) further comprises a plurality of electric push rods two (2321) fixedly connected to the front side of the mounting disc body (3), the output ends of the electric push rods two (2321) are forward and jointly fixedly connected with a connecting ring (2325) through a support plate (2324), the connecting ring (2325) is fixedly connected with a jacking post (2322) on the rear side corresponding to the central axis surface position of the width direction of each blade body (11), and the jacking post (2322) points to the blade body (11) and is fixedly connected with a U-shaped abutting seat (2323).

2. A blade mounting fixture for wind turbine construction according to claim 1, wherein: The said clamping assembly (22) comprises an X-shaped hinged arm group (221) arranged on the front side of the two clamping frames (24) of the same arc-shaped seat (25), the X-shaped hinged arm group (221) is composed of two connecting arms and a hinge rod in an X-shaped hinge, the hinge rod is fixedly connected to the moving seat (238), the two connecting arms are respectively hingedly connected to the two clamping frames (24) through rotating pins at the ends close to the hub body (6), the front side of the two clamping frames (24) is provided with a limiting sliding slot (222) at the end away from the hub body (6), the two connecting arms are hingedly connected with sliding pins at the ends away from the hub body (6), the sliding pins slide through cross slots and are limitingly connected in the limiting sliding slots (222), two push blocks (223) are rotatably connected to the two sliding pins, a double-headed telescopic column (225) is fixedly connected between the two push blocks (223), the center of the double-headed telescopic column (225) is fixedly connected to the output end of an electric push rod one (224) through a fixed block, and the electric push rod one (224) is fixedly connected to the moving seat (238).

3. The blade mounting fixture of claim 1, wherein: The fixed assembly (21) comprises a movable slot one (211) which is arranged on the rear sidewall of the mounting disc body (3) and between two movable slots two (231), the cross section of the movable slot one (211) is cross-shaped, a abutting arm (212) is slidably connected in the movable slot one (211), the abutting arm (212) is bent towards the generator body (1) and a rubber plate is fixedly connected on the end of the abutting arm (212) which is close to the generator body (1).

4. The blade mounting fixture of claim 3, wherein: The fixed assembly (21) further comprises a meshing seat one (215) which is fixedly connected on the end of the abutting arm (212) which is inside the mounting disc body (3), each meshing seat one (215) is jointly meshingly connected on the same scroll track one (2142), the scroll track one (2142) is fixedly connected on the rotating ring one (214), the rotating ring one (214) is rotatably connected between the partition layer (31) and the inner ring wall of the mounting disc body (3), the front side of the rotating ring one (214) is fixedly connected with a gear ring one (2141), the gear ring one (2141) is meshingly connected with a gear one (213) on the lower side of the periphery of the gear ring one (2141), the gear one (213) is rotatably connected between the front and rear walls of the mounting disc body (3) through a connecting shaft one, the connecting shaft one extends to the outside of the front side of the mounting disc body (3) and is fixedly connected on the output end of the motor one (4), the motor one (4) is fixedly connected on the front sidewall of the mounting disc body (3).

5. The blade mounting fixture of claim 1, wherein: The front side of the mounting plug strip (12) and the fitting arc strip (74) is jointly provided with a positioning hole (72), a counterbore washer (75) is sleeved on the shank of the inner hexagonal bolt (76), and a positioning column (77) is fixedly connected on the counterbore washer (75) at positions corresponding to the positioning holes (72).

6. A blade mounting fixture for wind turbine construction according to claim 1, wherein: The annular cavity is fixedly connected with a positioning block (8) at positions corresponding to the mounting holes (61), the positioning blocks (8) are on the same circle, and when the positioning blocks (8) are in contact with the inner end of the mounting plug strip (12), the arc grooves on the mounting plug strip (12) and the fitting arc strip (74) are on the same circle.

Citation Information

Patent Citations

  • Wind power generation blade rotating device

    CN119059460A

  • Blade butt joint structure of wind power generation set

    CN219654812U