Fan blade calibration tool

By designing a wind turbine blade calibration tool and utilizing structures such as a laser irradiator and an electric telescopic rod, automated calibration of wind turbine blades was achieved, solving the problems of low efficiency and poor accuracy of manual calibration and improving calibration efficiency and accuracy.

CN223470609UActive Publication Date: 2025-10-24JIANGSU MINGYE MASCH TECH CO LTD
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Patent Information

Application Number
CN202423139230.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-10-24
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Current methods for calibrating wind turbine blades mainly rely on manual operation, which is labor-intensive, inefficient, and inaccurate.

Method used

A wind turbine blade calibration tool was designed, which uses a laser irradiator, pointer and scale lines in conjunction with a screw and limit groove structure to achieve automated calibration of blade position and angle. Through the cooperation of electric telescopic rod and adjustment plate, the blade is ensured to be consistent with the design position.

Benefits of technology

It improves the efficiency and accuracy of blade calibration, reduces manual labor intensity, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fan blade calibration tool which comprises a base, a first screw rod is rotatably connected to the interior of the base, clamping plates are symmetrically connected to the outer side of the first screw rod in a threaded mode, a fan body is arranged on the top of the base, and a mounting base is rotatably connected to one side of the fan body. The device comprises a base, a mounting base is fixedly connected to one side of the base, blades are slidably connected to the interior of the mounting base in a circular shape, a first limiting groove is formed in the interior of the mounting base in a circular shape, a supporting frame is fixedly connected to one side of the base, a measuring plate is slidably connected to the interior of the supporting frame, and the distance between the blades and the inner edge of the fan body is determined through a laser irradiator, a pointer and scale marks. And under the condition that the blades are consistent and inconsistent with the design positions, the blades are adjusted through sliding of the fixing rods in the first limiting grooves, the positions of the blades are determined through the limiting nuts, rapid calibration work of the positions of the blades is achieved, overall operation is simple, manual labor is reduced, and calibration efficiency and accuracy are improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to fan maintenance technical field, concretely relates to a fan blade calibration tool. BACKGROUND

[0002] Fan is relied on inputted mechanical energy, improves gas pressure and sends gas, it is a kind of driven fluid machinery. Fan is the habit of china to gas compression and gas conveying machinery, the fan usually includes ventilator, air blower, wind turbine, blade is an important component of centrifugal fan, needs to carry out the processing of impeller and blade in the production of centrifugal fan, to improve fan operating efficiency, reduce vibration and noise due to improper installation of blade, regularly needs to calibrate the position and angle of blade.

[0003] The existing calibration mode is mostly calibrated manually by artificial, and the artificial labor intensity is large, and the efficiency is low, and the calibration precision is poor. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems to overcome the existing defects, provides a fan blade calibration tool to solve the problems of the existing calibration mode being mostly calibrated manually by artificial, large artificial labor intensity, low efficiency and poor calibration precision in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a fan blade calibration tool, including base, the first screw rod is rotatably connected in the base, the clamping plate is symmetrically connected in the outer side of the first screw rod, the fan body is arranged at the top of the base, the mounting seat is rotatably connected on one side of the fan body, the blade is slidably connected in the circular mounting seat, the first limiting groove is arranged in the circular mounting seat, the supporting frame is fixedly connected on one side of the base, the measuring plate is slidably connected in the supporting frame, the sliding block is slidably connected in the measuring plate, the electric telescopic rod is fixedly connected on one side of the measuring plate, the bearing plate is fixedly connected on the output end of the electric telescopic rod, the adjusting plate is arranged on one side of the bearing plate.

[0006] Preferably, one end of the first screw rod is fixedly connected to the output end of the motor, the motor and the base are fixedly connected, the limiting rod is fixedly connected in the base, and the clamping plate and the limiting rod are slidably connected.

[0007] Preferably, the fixed rod is slidably connected in the blade, the first limiting groove and the fixed rod are slidably connected, and the limiting nut is threadedly connected to the outer side of the fixed rod.

[0008] Preferably, the second screw rod is rotatably connected to the top of the measuring plate, and the second screw rod and the supporting frame are threadedly connected.

[0009] Preferably, a connecting rod is fixedly connected inside the measuring plate, the connecting rod and the sliding block are in sliding connection, and the sliding block is fixedly connected with a laser irradiator on one side.

[0010] Preferably, a first sliding groove is arranged on one side of the measuring plate, the sliding block and the first sliding groove are in sliding connection, a pointer is fixedly connected to the top of the sliding block, and a scale line is arranged on the other side of the measuring plate.

[0011] Preferably, a second sliding groove is arranged on one side of the supporting frame, and the second sliding groove and the electric telescopic rod are in sliding connection.

[0012] Preferably, the supporting plate is hingedly connected with the adjusting plate through the positioning column, and the adjusting plate is circular and uniformly provided with second limiting grooves inside.

[0013] Compared with the prior art, the fan blade calibration tool has the following advantages

[0014] Beneficial effects:

[0015] 1. The laser irradiator is arranged on one side of the sliding block, the position of the laser irradiator is adjusted horizontally through the movement of the sliding block inside the measuring plate, the distance between the blade and the inner edge of the fan body is determined through the laser irradiator, the pointer and the scale line, it is ensured that they are consistent with the designed position, and in the case of inconsistency, the blade is adjusted through the sliding of the fixing rod inside the first limiting groove, and the position of the blade is determined through the limiting nut, so that the calibration work of the blade position is realized quickly.

[0016] 2. The adjusting plate is hingedly connected with the positioning column and is arranged on one side of the supporting plate, the height of the measuring plate is adjusted through the rotation of the second screw rod, then the height of the electric telescopic rod, the supporting plate and the adjusting plate and the like is adjusted, then the electric telescopic rod drives the adjusting plate to move towards the blade, the second limiting groove corresponds to the blade, so that the angle deviation of the blade is improved, the calibration work of the blade angle is realized quickly, the overall operation is simple, the manual labor is reduced, and the calibration efficiency and accuracy are improved.

[0017] The parts not involved in the device are the same as or can be realized by the prior art, the structure of the device is scientific and reasonable, use is safe and convenient, and great help is provided for people. DETAILED DESCRIPTION

[0018] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model, and in the drawings:

[0019] Figure 1The utility model provides a kind of fan blade calibration tool's one side's axis measurement structure schematic view;

[0020] Figure 2 The utility model provides a kind of fan blade calibration tool's other side's axis measurement structure schematic view;

[0021] Figure 3 The utility model provides a kind of fan blade calibration tool's fan body structure schematic view;

[0022] Figure 4 A kind of fan blade calibration tool's blade structure schematic view is provided for the utility model;

[0023] Figure 5 A kind of fan blade calibration tool's support frame structure schematic view is provided for the utility model;

[0024] Figure 6 A kind of fan blade calibration tool's measuring plate structure schematic view is provided for the utility model;

[0025] Figure 7 A kind of fan blade calibration tool's adjusting plate structure schematic view is provided for the utility model;

[0026] In the drawing: pedestal 1, first screw rod 2, motor 3, clamping plate 4, limit rod 5, fan body 6, mounting seat 7, blade 8, first limit slot 9, fixed rod 10, limit nut 11, support frame 12, measuring plate 13, second screw rod 14, connecting rod 15, sliding block 16, laser irradiator 17, first sliding groove 18, pointer 19, scale line 20, second sliding groove 21, electric telescopic rod 22, supporting plate 23, positioning column 24, adjusting plate 25, second limit slot 26. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] Please refer to Figures 1-7The utility model provides a technical scheme: a fan blade calibration tool, including base 1, first screw rod 2 is rotatively connected in base 1, the clamping plate 4 is symmetrically screwed on the outside of first screw rod 2, the fan body 6 is provided at the top of base 1, the one side rotatively connected of fan body 6 has mounting seat 7, the blade 8 is slidably connected in the circular mounting seat 7, the first limiting slot 9 is provided in the circular mounting seat 7, the support frame 12 is fixedly connected to one side of base 1, the measuring plate 13 is slidably connected in the support frame 12, the sliding block 16 is slidably connected in the measuring plate 13, the electric telescopic handle 22 is fixedly connected to one side of measuring plate 13, the supporting plate 23 is fixedly connected to the output end of electric telescopic handle 22, and the adjusting plate 25 is provided at one side of supporting plate 23.

[0029] In the utility model, preferably, one end of first screw rod 2 is fixedly connected to the output end of motor 3, motor 3 and base 1 are fixedly connected, and limiting rod 5 is fixedly connected in base 1.

[0030] In the utility model, preferably, fixed rod 10 is slidably connected in blade 8, and limiting nut 11 is screwed on the outside of fixed rod 10.

[0031] In the utility model, preferably, second screw rod 14 is rotatively connected at the top of measuring plate 13, and second screw rod 14 and support frame 12 are screw-connected.

[0032] In the utility model, preferably, connecting rod 15 is fixedly connected in measuring plate 13, and connecting rod 15 and sliding block 16 are slidably connected, and laser irradiator 17 is fixedly connected to one side of sliding block 16.

[0033] In the utility model, preferably, first sliding groove 18 is arranged at one side in measuring plate 13, and sliding block 16 and first sliding groove 18 are slidably connected, and pointer 19 is fixedly connected at the top of sliding block 16, and scale line 20 is arranged at the other side of measuring plate 13, the distance between blade 8 and the edge in fan body 6 is determined through laser irradiator 17, pointer 19 and scale line 20, it is ensured that they are consistent with the design position, and in the inconsistent condition, blade 8 is adjusted through the sliding of fixed rod 10 in first limiting slot 9, the position of blade 8 is determined through limiting nut 11, and the calibration work of the position of blade 8 is realized quickly.

[0034] In the utility model, preferably, second sliding groove 21 is arranged at one side in support frame 12, and second sliding groove 21 and electric telescopic handle 22 are slidably connected.

[0035] The utility model discloses, preferably, the support plate 23 is connected through the positioning column 24 and the adjusting plate 25 snap fit, and the adjusting plate 25 is internally circular and is provided with the second limit slot 26, and the electric telescopic handle 22 promotes the adjusting plate 25 to move to the blade 8, and the second limit slot 26 corresponds with the blade 8, thereby improving the angle deviation of the blade 8, realizing the calibration of the angle of the blade 8 quickly, and the whole operation is simple, reduces manual labor, improves calibration efficiency and accuracy.

[0036] The utility model discloses a working principle and use flow: when using, first place the fan body 6 needing calibration on the top of base 1, then motor 3 drives the rotation of first screw rod 2, and first screw rod 2 is connected in screw thread with clamping plate 4, thereby realizing the clamping fixed of clamping plate 4 to fan body 6, guarantee the stability of fan body 6 in the calibration process, then drive measuring plate 13 to slide up and down in support frame 12 by rotating second screw rod 14, adjust the height of measuring plate 13, through the sliding block 16 moves in measuring plate 13, the position of laser irradiator 17 is adjusted horizontally, through laser irradiator 17, pointer 19 and scale line 20 determine the distance of blade 8 and the inside edge of fan body 6, ensure that they are consistent with the design position, and under the inconsistent condition, adjust blade 8 by the sliding of fixed rod 10 in first limit slot 9, and limit nut 11 determines the position of blade 8, realize the calibration of the position of blade 8 quickly, after the position calibration, adjusting plate 25 is connected with positioning column 24 snap fit and is installed on the side of support plate 23, through the height adjustment of measuring plate 13 by rotating second screw rod 14, then adjust the height of electric telescopic handle 22, support plate 23 and adjusting plate 25 etc. structure, ensure that the height position of adjusting plate 25 is consistent with blade 8, then electric telescopic handle 22 promotes adjusting plate 25 to move to blade 8, and the second limit slot 26 corresponds with the blade 8, thereby improving the angle deviation of the blade 8, realizing the calibration of the angle of the blade 8 quickly, and the whole operation is simple, reduces manual labor, improves calibration efficiency and accuracy.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wind turbine blade alignment tool comprising a base (1) characterised in that: The base (1) is rotatably connected with a first screw rod (2), the first screw rod (2) is symmetrically and externally threaded connected with a clamping plate (4), the base (1) is provided with a fan body (6) on the top, the fan body (6) is rotatably connected with a mounting seat (7) on one side, the mounting seat (7) is internally and circularly slidably connected with a blade (8), the mounting seat (7) is internally and circularly provided with a first limiting groove (9), the base (1) is fixedly connected with a supporting frame (12) on one side, the supporting frame (12) is internally slidably connected with a measuring plate (13), the measuring plate (13) is internally slidably connected with a sliding block (16), the measuring plate (13) is fixedly connected with an electric telescopic rod (22) on one side, the output end of the electric telescopic rod (22) is fixedly connected with a supporting plate (23), the supporting plate (23) is provided with an adjusting plate (25) on one side.

2. A fan blade alignment tool according to claim 1, wherein: The first screw rod (2) is fixedly connected with the output end of a motor (3), the motor (3) and the base (1) are fixedly connected, the base (1) is internally fixedly connected with a limiting rod (5), the clamping plate (4) and the limiting rod (5) are slidably connected.

3. A fan blade alignment tool according to claim 1, wherein: The blade (8) is internally slidably connected with a fixing rod (10), the first limiting groove (9) and the fixing rod (10) are slidably connected, and the fixing rod (10) is externally threaded connected with a limiting nut (11).

4. A fan blade alignment tool according to claim 1, wherein: The measuring plate (13) is rotatably connected with a second screw rod (14) on the top, and the second screw rod (14) and the supporting frame (12) are threaded connected.

5. A fan blade alignment tool according to claim 1, wherein: The measuring plate (13) is internally fixedly connected with a connecting rod (15), the connecting rod (15) and the sliding block (16) are slidably connected, and the sliding block (16) is fixedly connected with a laser irradiator (17) on one side.

6. A fan blade alignment tool according to claim 1, wherein: The measuring plate (13) is internally provided with a first sliding groove (18) on one side, the sliding block (16) and the first sliding groove (18) are slidably connected, the top of the sliding block (16) is fixedly connected with a pointer (19), and the other side of the measuring plate (13) is provided with a scale line (20).

7. A fan blade alignment tool according to claim 1, wherein: The supporting frame (12) is internally provided with a second sliding groove (21) on one side, and the second sliding groove (21) and the electric telescopic rod (22) are slidably connected.

8. A fan blade alignment tool according to claim 1, wherein: The supporting plate (23) is clamped and connected with the adjusting plate (25) through a positioning column (24), and the adjusting plate (25) is internally and circularly provided with a second limiting groove (26).