Quality detection device for main shaft of wind driven generator

Abstract

The utility model discloses a wind driven generator main shaft quality detection device which comprises a detection table, a first motor is installed at the right end of the detection table, the output end of the first motor is connected with a first rotating shaft, a limiting seat is installed at the end of the first rotating shaft, and a moving rod penetrates through the side wall of the limiting seat. A positioning block is installed at the end of the moving rod, a first spring is connected between the positioning block and the limiting base, and a locking hole is formed in the side face of the moving rod. The right end face of the limiting base is connected with a second spring, and the end of the second spring is connected with a movable ring. According to the quality detection device for the main shaft of the wind driven generator, the piston can be driven to move by utilizing the repulsive force between the first electromagnet and the second electromagnet which are distributed in a homopolar manner, marking pigment is sprayed out from the spray head and is sprayed to a defective area of the main shaft, and the defective area is conveniently watched and counted manually; and the machining process of the main shaft of the wind driven generator can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind driven generator main shaft detection technical field, concretely is a kind of wind driven generator main shaft quality detection device. BACKGROUND

[0002] Wind driven generator main shaft is the important component of wind driven generator, its main function is to convert wind into mechanical energy, and mechanical energy is converted into electric energy by generator, in wind driven generator, main shaft is the pivot connecting wind wheel and generator, bears huge torque and axial load, the quality of wind driven generator main shaft has crucial influence to the operating condition of wind driven generator, after wind driven generator main shaft preparation is completed, the surface quality needs to be detected, to avoid defective product to flow into market.

[0003] When wind driven generator main shaft is detected, the flaw position cannot be marked synchronously, after wind driven generator main shaft detection is finished, it is not favorable to the viewing of flaw site by artificial, and it is not convenient to count wind driven generator main shaft flaw site probability, it is not favorable to the improvement of the processing of wind driven generator main shaft, therefore we propose a kind of wind driven generator main shaft quality detection device to solve the problems proposed above. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of wind driven generator main shaft quality detection device to solve the problems that the flaw position of wind driven generator main shaft cannot be marked in the market at present, it is not favorable to the viewing of flaw site by artificial, and it is not convenient to count wind driven generator main shaft flaw site probability in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wind driven generator main shaft quality detection device, including detection table, the right end of the detection table is installed with first motor, the output of the first motor is connected with first rotating shaft, the end of the first rotating shaft is installed with limit seat, the side wall of the limit seat is penetrated with moving rod, the end of the moving rod is installed with locating block, the first spring is connected between the locating block and limit seat, locking hole is set up in the side of the moving rod;

[0006] The right end surface of the limit seat is connected with second spring, the end of the second spring is connected with moving ring, the side of the moving ring is installed with locking rod;

[0007] The left end of the detection table is installed with second motor, the output of the second motor is connected with screw rod, the outer side of the screw rod is connected with mounting plate, the upper end of the mounting plate is installed with second rotating shaft, the end of the second rotating shaft is connected with pressing plate;

[0008] The rear end of the detection platform is provided with a mounting frame, the upper end of the mounting frame is provided with an electric sliding rail, a sliding block is connected to the electric sliding rail, a mounting box is mounted on the front side of the sliding block, and a ccd camera is mounted on the front side of the mounting box.

[0009] Preferably, an injection cylinder is mounted in front of the mounting box, a piston is connected to the inside of the injection cylinder through a third spring, a connecting rod is connected to the middle part of the piston, a first electromagnet is mounted on the end of the connecting rod, a nozzle and a feeding pipe are respectively communicated with the right end of the injection cylinder, one end of the feeding pipe is communicated with the mounting box, a one-way valve is mounted on the nozzle and the feeding pipe, a supporting frame is mounted on the side of the mounting box, and a second electromagnet is mounted on the end of the supporting frame.

[0010] Preferably, locking holes are distributed on the moving rod at equal intervals, and the locking holes are clamped with the locking rod.

[0011] Preferably, the positioning block is a trapezoidal structure, and the positioning block is distributed at equal angles about the transverse center line of the limiting seat.

[0012] Preferably, the pressing plate and the mounting plate form a rotating structure, and the mounting plate and the detection platform form a left-right sliding structure.

[0013] Preferably, the positions of the first electromagnet and the second electromagnet are arranged corresponding to each other, and the first electromagnet and the second electromagnet are homopolar magnets.

[0014] Compared with the prior art, the wind turbine main shaft quality detection device has the advantages that:

[0015] (1) The wind turbine main shaft quality detection device can ensure the balance of the end part of the main shaft through the pressing of the positioning block and the extrusion and fixation of the pressing plate, and the pressing plate and the limiting seat can rotate, so that the main shaft in the fixed state can be rotated, and the surface quality of the main shaft can be comprehensively detected.

[0016] (2) The wind turbine main shaft quality detection device can utilize the repulsive force between the first electromagnet and the second electromagnet to drive the piston to move, so that the marking paint is sprayed from the nozzle and sprayed to the defect area of the main shaft, which is convenient for manual observation and statistics of the defect part, and is more conducive to improving the processing process of the wind turbine main shaft. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the sectional structure of the utility model;

[0019] Figure 3 It is the mobile ring structure schematic view of the utility model;

[0020] Figure 4 It is the installation box structure schematic view of the utility model;

[0021] Figure 5 It is the installation box sectional structure schematic view of the utility model;

[0022] Figure 6 It is the injection cylinder sectional structure schematic view of the utility model.

[0023] In the drawing: 1, detection platform;2, first motor;3, first rotating shaft;4, limit seat;5, moving rod;6, positioning block;7, first spring;8, second spring;9, mobile ring;10, locking rod;11, mounting frame;12, electric slide rail;13, sliding block;14, installation box;15, ccd camera;16, second motor;17, screw;18, mounting plate;19, second rotating shaft;20, pressing plate;21, injection cylinder;22, spray head;23, feed pipe;24, check valve;25, third spring;26, piston;27, connecting rod;28, first electromagnet;29, support frame;30, second electromagnet;31, locking hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 fall within the scope of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides the following technical scheme: a wind driven generator main shaft quality detection device, including detection platform 1, the right -hand member of detection platform 1 is installed with first motor 2, and the output of first motor 2 is connected with first rotating shaft 3, and the end of first rotating shaft 3 is installed with limit seat 4, and the lateral wall of limit seat 4 is penetrated with moving rod 5, and the end of moving rod 5 is installed with positioning block 6, and first spring 7 is connected between positioning block 6 and limit seat 4, and the side surface of moving rod 5 is set with locking hole 31;

[0026] Further, the locking hole 31 is distributed on the moving rod 5 at equal intervals, the locking hole 31 and the locking rod 10 are mutually clamped, the moving rod 5 is limited, thereby the positioning block 6 is limited, thereby one end of the main shaft is preliminarily fixed;

[0027] Further, the positioning block 6 is a trapezoidal structure, and the positioning block 6 is distributed at equal angles about the transverse center line of the limiting seat 4, so that the main shaft is smoothly pressed to move the positioning block 6 to adapt to the outer diameter of the main shaft and the main shaft is fitted;

[0028] The right end surface of the limiting seat 4 is connected with a second spring 8, the end of the second spring 8 is connected with a moving ring 9, the side surface of the moving ring 9 is installed with a locking rod 10; the left end of the detection table 1 is installed with a second motor 16, the output end of the second motor 16 is connected with a lead screw 17, the outer side surface of the lead screw 17 is screwed with a mounting plate 18, the upper end of the mounting plate 18 is installed with a second rotating shaft 19, the end of the second rotating shaft 19 is connected with a pressing plate 20;

[0029] Further, the pressing plate 20 and the mounting plate 18 constitute a rotating structure, and the mounting plate 18 and the detection table 1 constitute a left-right sliding structure, so that the pressing plate 20 can be driven to move to extrude and fix the main shaft, and the rotation of the main shaft in the fixed state can be realized;

[0030] The rear end of the detection table 1 is installed with a mounting frame 11, the upper end of the mounting frame 11 is installed with an electric sliding rail 12, the electric sliding rail 12 is connected with a sliding block 13, the front side surface of the sliding block 13 is installed with a mounting box 14, and the front side surface of the mounting box 14 is installed with a ccd camera 15;

[0031] Further, the front of the mounting box 14 is installed with a syringe 21, the inside of the syringe 21 is connected with a piston 26 through a third spring 25, the middle part of the piston 26 is connected with a connecting rod 27, the end of the connecting rod 27 is installed with a first electromagnet 28, the right end of the syringe 21 is respectively communicated with a spray head 22 and a feeding pipe 23, one end of the feeding pipe 23 is communicated with the mounting box 14, the spray head 22 and the feeding pipe 23 are both installed with a check valve 24, the side surface of the mounting box 14 is installed with a support frame 29, and the end of the support frame 29 is installed with a second electromagnet 30;

[0032] Further, the positions of the first electromagnet 28 and the second electromagnet 30 are correspondingly arranged, the first electromagnet 28 and the second electromagnet 30 are same-pole magnets, and the repulsive force between the magnets and the elastic force of the third spring 25 are used to realize the flexible movement of the piston 26 and the spraying of the pigment;

[0033] Specifically, in use of the wind turbine main shaft quality detection device, the main shaft is hoisted to the detection table 1, and one end of the main shaft is pushed to move towards the direction close to the limiting seat 4, and the moving ring 9 is pulled to the right, the second spring 8 is stretched to store energy, so that the locking rod 10 is moved out of the locking hole 31, the limiting of the moving rod 5 is released, when the one end of the main shaft contacts the positioning block 6, the positioning block 6 is pressed by the main shaft, the positioning block 6 is controlled to move towards the inner wall of the limiting seat 4, the positioning block 6 pushes the moving rod 5 to move and extrudes the first spring 7 to store energy, until the one end of the main shaft is clamped into the limiting seat 4, the positioning block 6 is adapted to the outer diameter of the main shaft and closely contacts the main shaft, the pulling of the moving ring 9 is released, the second spring 8 controls the moving ring 9 to reset and move, so that the locking rod 10 resets and moves, the locking rod 10 is clamped into the locking hole 31 in the corresponding position, the moving rod 5 is locked, so that the positioning block 6 is locked, the preliminary positioning of the main shaft is realized, then the second motor 16 is connected to the power supply, the screw rod 17 is controlled to rotate, the mounting plate 18 connected with the outer thread is controlled to move to the right, so that the pressing plate 20 moves to the right, the distance between the pressing plate 20 and the limiting seat 4 is shortened, the main shaft is further fixed, the balance of the two ends of the main shaft is ensured, and the surface quality detection of the main shaft can be performed;

[0034] The sliding block 13 slides on the electric sliding rail 12, so that the mounting box 14 drives the ccd camera 15 to move, the surface quality detection of the fixed main shaft is performed, the first motor 2 is connected to the power supply, so that the first rotating shaft 3 is controlled to rotate, the limiting seat 4 is controlled to rotate, and the fixed main shaft is controlled to rotate, so that the detection surface of the main shaft can be adjusted, and the main shaft can be comprehensively detected, when the defect is detected, the first electromagnet 28 and the second electromagnet 30 are connected to the power supply, the same-pole distributed electromagnets repel each other, so that the connecting rod 27 is pushed to move, the piston 26 is controlled to move, the third spring 25 is stretched to store energy, the one-way valve 24 on the nozzle 22 is opened through the pushing of the piston 26, the colored pigment is sprayed on the main shaft to mark, the electromagnets are powered off, the third spring 25 controls the piston 26 to reset and move, the one-way valve 24 on the feeding pipe 23 is opened at this time, the pigment in the mounting box 14 is sucked into the injection cylinder 21 for standby, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A wind turbine main shaft quality detection device, comprising a detection table (1), characterized in that: The right end of the detection table (1) is provided with a first motor (2), the output end of the first motor (2) is connected with a first rotating shaft (3), the end of the first rotating shaft (3) is provided with a limiting seat (4), the side wall of the limiting seat (4) is penetrated through with a moving rod (5), the end of the moving rod (5) is provided with a positioning block (6), the first spring (7) is connected between the positioning block (6) and the limiting seat (4), the side of the moving rod (5) is provided with a locking hole (31). The right end surface of the limiting seat (4) is connected with a second spring (8), the end of the second spring (8) is connected with a moving ring (9), the side of the moving ring (9) is provided with a locking rod (10). The left end of the detection table (1) is provided with a second motor (16), the output end of the second motor (16) is connected with a lead screw (17), the outer side of the lead screw (17) is connected with a mounting plate (18) through threads, the upper end of the mounting plate (18) is provided with a second rotating shaft (19), the end of the second rotating shaft (19) is connected with a pressing plate (20). The rear end of the detection table (1) is provided with a mounting frame (11), the upper end of the mounting frame (11) is provided with an electric sliding rail (12), the electric sliding rail (12) is connected with a sliding block (13), the front side of the sliding block (13) is provided with a mounting box (14), the front side of the mounting box (14) is provided with a ccd camera (15).

2. The wind turbine main shaft quality detection device according to claim 1, characterized in that: The front of the mounting box (14) is provided with a syringe (21), the inside of the syringe (21) is connected with a piston (26) through a third spring (25), the middle of the piston (26) is connected with a connecting rod (27), the end of the connecting rod (27) is provided with a first electromagnet (28), the right end of the syringe (21) is respectively communicated with a nozzle (22) and a feeding pipe (23), one end of the feeding pipe (23) is communicated with the mounting box (14), the nozzle (22) and the feeding pipe (23) are all provided with a check valve (24), the side of the mounting box (14) is provided with a support frame (29), the end of the support frame (29) is provided with a second electromagnet (30).

3. The wind turbine main shaft quality detection device according to claim 1, characterized in that: The moving rod (5) is provided with locking holes (31) at equal intervals, the locking holes (31) are clamped with the locking rod (10).

4. The wind turbine main shaft quality detection device according to claim 1, characterized in that: The positioning block (6) is a trapezoidal structure, the positioning block (6) is distributed at equal angles about the transverse center line of the limiting seat (4).

5. The wind turbine main shaft quality detection device according to claim 1, characterized in that: The pressing plate (20) and the mounting plate (18) constitute a rotating structure, the mounting plate (18) and the detection table (1) constitute a left-right sliding structure.

6. A wind turbine main shaft quality detection device according to claim 2, characterized in that: The positions of the first electromagnet (28) and the second electromagnet (30) are correspondingly arranged, the first electromagnet (28) and the second electromagnet (30) are homopolar magnets.

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