Detection device for fan blade

Abstract

The utility model provides a detection device for fan blades. The detection device comprises a transverse moving mechanism, a sliding translation mechanism arranged at the bottom of the transverse moving mechanism, a sliding lifting mechanism arranged at the bottom of the translation mechanism, an ultrasonic scanner arranged at one end of the lifting mechanism, adsorption mechanisms arranged at two ends of the transverse moving mechanism, and a plurality of detachable diagonal bracing mechanisms arranged on one side of the transverse moving mechanism. The whole structure can detect the top face and the side face of the blade, the situation that a worker lies on the blade for overhauling for a long time is avoided, the worker is prevented from being too tired, and the phenomenon that detection errors occur due to fatigue of the worker is further avoided. And meanwhile, the phenomenon that a worker falls from the blade during maintenance is avoided. The inclined strut mechanism is convenient to mount, dismount and inspect, and has high popularization value.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan overhauls field especially is related to the detection device for fan blade. BACKGROUND

[0002] Fan blade needs to carry out nondestructive testing before factory, avoid the phenomenon that the blade inside fan appears porosity, delamination, inclusion etc. defect, and further influence the overall operation efficiency and safety of fan. The existing fan blade is generally carried out by artificial climbing to the blade, and this kind of overhauling mode has certain flexibility, but also has some obvious shortcomings.

[0003] Artificial climbing to the blade overhauls has the characteristics of low work efficiency, and artificial operation needs to consume a lot of time and manpower, especially in the case of large fan or needing to overhaul multiple blades, work efficiency will be significantly reduced. The staff is prone to fatigue for long time lying on the smooth fan blade, time-consuming and labor-consuming, increases the overhaul cost, and the staff who is too tired can cause the error of detection result, since the blade is large, the staff is prone to falling to the ground for long time on the smooth blade, causes safety accident, and there is certain safety hazard. Therefore, we provide the detection device for fan blade to solve the above problems. SUMMARY

[0004] The utility model provides the detection device for fan blade, solves the problem that the work efficiency of artificial overhauling fan blade is low, the staff is prone to fatigue for long time lying on the smooth fan blade, time-consuming and labor-consuming, increases the overhaul cost, fatigue is prone to cause the error of detection result, and the staff is prone to falling from the blade, and there is certain safety hazard.

[0005] In order to solve the above technical problems, the technical scheme adopted by the utility model is: the detection device for fan blade, including horizontal shift mechanism, the horizontal shift mechanism bottom is equipped with sliding translation mechanism, the translation mechanism bottom is equipped with sliding lifting mechanism, and the lifting mechanism one end is equipped with ultrasonic scanner, and the horizontal shift mechanism both ends are equipped with adsorption mechanism, and the horizontal shift mechanism one side is equipped with multiple detachable inclined bracing mechanism.

[0006] In the preferred scheme, the horizontal shift mechanism includes crossbeam and first lead screw, the crossbeam bottom is equipped with sliding slot, the sliding slot both ends are equipped with rotating hole, the first lead screw is installed on the rotating hole, and the first lead screw one end is equipped with first motor.

[0007] In the preferred scheme, the translation mechanism includes horizontal frame and second lead screw, the horizontal frame top is equipped with sliding block, the sliding block is connected with first lead screw thread, the horizontal frame bottom is equipped with second sliding slot, the second sliding slot both ends are equipped with second rotating hole, the second lead screw is installed on the second rotating hole, and the second lead screw one end is equipped with second motor.

[0008] In the preferred scheme, the adsorption mechanism comprises a support arm, the bottom of the support arm is provided with a plurality of connecting discs, the connecting discs are provided with suction cups, and the top of the suction cups is provided with air pumps.

[0009] In the preferred scheme, the lifting mechanism comprises a pneumatic cylinder, the top of the pneumatic cylinder is provided with a second sliding block, the second sliding block is connected with the translation mechanism, the bottom of the pneumatic cylinder is provided with a connecting plate, and the bottom of the connecting plate is provided with a rotatingly connected rotating rod.

[0010] In the preferred scheme, the rotating rod is rotationally connected with the ultrasonic scanner, a plurality of springs are arranged on the connecting plate, one end of the springs is connected with the ultrasonic scanner, a screw rod hole is arranged on the second sliding block, the screw rod hole is connected with the second rotating hole, and the second sliding block is abutted on the second sliding groove.

[0011] In the preferred scheme, the diagonal bracing mechanism comprises a connecting seat and two screw sleeve, a bidirectional screw rod is arranged between the two screw sleeves, one end of one of the screw sleeves is provided with the connecting seat, and one end of the other screw sleeve is provided with a base.

[0012] In the preferred scheme, the connecting seat is connected with the cross frame through bolts, the two screw sleeves are threadedly connected with the bidirectional screw rod, and a handle is arranged on the bidirectional screw rod.

[0013] The beneficial effects of the utility model are as follows: when the top of the blade needs to be overhauled, the adsorption mechanism is installed on the blade, a plurality of air pumps drive the adsorption mechanism, so that the plurality of suction cups are adsorbed on the blade.

[0014] When the side of the blade needs to be overhauled, the suction cups of the adsorption mechanism are loosened, the overall structure is moved to the side of the blade, the connecting seats of the plurality of diagonal bracing mechanisms are bolted on one side of the horizontal moving mechanism, and the bases of the diagonal bracing mechanisms are installed on the ground.

[0015] The overall structure can detect the top and side of the blade, avoid the staff from lying on the blade for a long time to overhaul, avoid the staff from being too tired, further avoid the detection error caused by the staff fatigue, avoid the staff from falling from the blade during the overhaul, and the diagonal bracing mechanism is convenient to install and disassemble, convenient to check, and has great popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in connection with the drawings and embodiments;

[0017] Figure 1 is the shaft side view of the whole structure of the utility model;

[0018] Figure 2 is the shaft side view of another view angle of the whole structure of the utility model;

[0019] Figure 3 is the explosion view of the horizontal moving mechanism of the utility model;

[0020] Figure 4 is the explosion view of the horizontal moving mechanism of the utility model;

[0021] Figure 5 is the shaft side view of the adsorption mechanism of the utility model;

[0022] Figure 6 is the shaft side view of the lifting mechanism of the utility model;

[0023] Figure 7 is the explosion view of the inclined support mechanism of the utility model;

[0024] In the figure: horizontal moving mechanism 1; horizontal frame 101; first lead screw 102; sliding groove 103; rotating hole 104; first motor 105; horizontal moving mechanism 2; horizontal frame 201; sliding block 202; second lead screw 203; second motor 204; second rotating hole 205; second sliding groove 206; adsorption mechanism 3; support arm 301; connecting disc 302; suction disc 303; air pump 304; inclined support mechanism 4; connecting seat 401; bidirectional screw rod 402; screw rod sleeve 403; base 404; handle 405; lifting mechanism 5; air cylinder 501; second sliding block 502; lead screw hole 5021; connecting plate 503; spring 504; rotating rod 505; ultrasonic scanner 6; blade 7. DETAILED DESCRIPTION

[0025] Example 1:

[0026] As Figures 1-7The device for inspecting wind turbine blades includes a transverse mechanism 1, a sliding translation mechanism 2 at the bottom of the transverse mechanism 1, a sliding lifting mechanism 5 at the bottom of the translation mechanism 2, an ultrasonic scanner 6 at one end of the lifting mechanism 5, adsorption mechanisms 3 at both ends of the transverse mechanism 1, and multiple detachable inclined support mechanisms 4 on one side of the transverse mechanism 1. With this structure, when the top of the blade 7 needs to be inspected, the adsorption mechanism 3 is installed on the blade 7, and multiple air pumps 304 of the adsorption mechanism 3 are driven to cause multiple suction cups 303 to adhere to the blade 7. A first motor 105 of the transverse mechanism 1 is driven to move the translation mechanism 2 longitudinally along the blade 7, thereby moving the ultrasonic scanner 6 longitudinally along the blade 7. Driving a second motor 204 of the translation mechanism 2 causes the lifting mechanism 5 to move horizontally along the translation mechanism 2, thereby moving the ultrasonic scanner 6 horizontally along the blade 7. A cylinder 501 of the lifting mechanism 5 is driven to cause the ultrasonic scanner 6 to abut against the blade 7, allowing the ultrasonic scanner 6 to inspect the top of the blade 7. The overall structure can perform maintenance on the top surface of the blade 7 by driving the transverse movement mechanism 1, the translation mechanism 2 and the lifting mechanism 5.

[0027] When the side of blade 7 needs maintenance, release the suction cup 303 of the adsorption mechanism 3, move the entire structure to the side of blade 7, and the connecting seats 401 of the multiple diagonal bracing mechanisms 4 are bolted to one side of the transverse movement mechanism 1. The base 404 of the diagonal bracing mechanism 4 is installed on the ground. Turn the handle 405 to extend or retract the diagonal bracing mechanism 4 to adjust its length to fit the position of the transverse movement mechanism 1. Drive the transverse movement mechanism 1, translation mechanism 2, diagonal bracing mechanism 4, and lifting mechanism 5 to enable the entire structure to monitor the side of blade 7 from all angles.

[0028] The overall structure allows for inspection of the top and sides of blade 7, avoiding the need for workers to lie prone on blade 7 for extended periods during maintenance, thus preventing worker fatigue and errors caused by fatigue. It also prevents workers from falling off blade 7 during maintenance. The diagonal bracing mechanism 4 is easy to install and disassemble, facilitating inspection.

[0029] In a preferred embodiment, the transverse mechanism 1 includes a crossbeam 101 and a first lead screw 102. The bottom of the crossbeam 101 is provided with a groove 103, and both ends of the groove 103 are provided with rotating holes 104. The first lead screw 102 is mounted on the rotating holes 104, and one end of the first lead screw 102 is provided with a first motor 105. With this structure, the first motor 105 is driven to rotate the first lead screw 102, thereby moving the horizontal frame 201 relative to the transverse mechanism 1, causing the translation mechanism 2 to move longitudinally along the blade 7, and causing the ultrasonic scanner 6 to move longitudinally along the blade 7.

[0030] In the preferred solution, the translation mechanism 2 comprises a horizontal frame 201 and a second screw rod 203, the horizontal frame 201 is provided with a sliding block 202 at the top, the sliding block 202 is threadedly connected with the first screw rod 102, the horizontal frame 201 is provided with a second sliding groove 206 at the bottom, the second sliding groove 206 is provided with a second rotating hole 205 at both ends, the second screw rod 203 is installed on the second rotating hole 205, and the second screw rod 203 is provided with a second motor 204 at one end. Through the structure, the second motor 204 is driven to rotate the second screw rod 203, so that the lifting mechanism 5 moves along the translation mechanism 2, and the ultrasonic scanner 6 moves horizontally along the blade 7.

[0031] In the preferred solution, the adsorption mechanism 3 comprises a support arm 301, the support arm 301 is provided with a plurality of connecting discs 302 at the bottom, the connecting discs 302 are provided with suction cups 303, and the suction cups 303 are provided with air pumps 304 at the top. Through the structure, the adsorption mechanism 3 is installed on the blade 7, and the air pumps 304 of the adsorption mechanism 3 are driven to adsorb the suction cups 303 on the blade 7. One end of the support arm 301 is rotatably connected with the cross frame 101. The support arm 301 comprises an outer sleeve and an inner sleeve, the inner sleeve of the support arm 301 slides against the outer sleeve, and a second air cylinder is arranged between the outer sleeve and the inner sleeve. By driving the second air cylinder, the height of the support arm 301 can be adjusted.

[0032] In the preferred solution, the lifting mechanism 5 comprises an air cylinder 501, the air cylinder 501 is provided with a second sliding block 502 at the top, the second sliding block 502 is connected with the translation mechanism 2, the air cylinder 501 is provided with a connecting plate 503 at the bottom, and the connecting plate 503 is provided with a rotating connecting rotating rod 505 at the bottom. Through the structure, the air cylinder 501 of the lifting mechanism 5 is driven to make the ultrasonic scanner 6 abut against the blade 7, so that the ultrasonic scanner 6 detects the top of the blade 7. The rotating rod 505 is rotatably connected with the connecting plate 503 and the ultrasonic scanner 6 at both ends, respectively, and a plurality of springs 504 are arranged between the connecting plate 503 and the ultrasonic scanner 6, so that the ultrasonic scanner 6 can slide tightly against the surface of the arc-shaped blade 7.

[0033] In the preferred solution, the rotating rod 505 is rotatably connected with the ultrasonic scanner 6, the connecting plate 503 is provided with a plurality of springs 504, one end of the spring 504 is connected with the ultrasonic scanner 6, the second sliding block 502 is provided with a screw rod hole 5021, the screw rod hole 5021 is connected with the second rotating hole 205, and the second sliding block 502 abuts against the second sliding groove 206. Through the structure, the second motor 204 of the translation mechanism 2 is driven to move the lifting mechanism 5 horizontally along the translation mechanism 2, and the air cylinder 501 is driven to make the ultrasonic scanner 6 abut against the blade 7.

[0034] In the preferred scheme, the diagonal bracing mechanism 4 comprises a connecting seat 401 and two screw sleeve 403, and a bidirectional screw 402 is arranged between the two screw sleeve 403, one end of one screw sleeve 403 is provided with the connecting seat 401, and one end of the other screw sleeve 403 is provided with a base 404. Thus, when the blade 7 needs to be maintained, the suction cups 303 of the suction mechanism 3 are loosened, the whole structure is moved to the side of the blade 7, the connecting seats 401 of the plurality of diagonal bracing mechanisms 4 are bolted on one side of the horizontal moving mechanism 1, and the bases 404 of the diagonal bracing mechanisms 4 are installed on the ground

[0035] In the preferred scheme, the connecting seat 401 is bolted on the horizontal frame 101, the two screw sleeve 403 are threadedly connected with the bidirectional screw 402, and a handle 405 is arranged on the bidirectional screw 402. Thus, the handle 405 is rotated to make the diagonal bracing mechanism 4 extend or retract, so as to adjust the length of the diagonal bracing mechanism 4 to adapt to the position of the horizontal moving mechanism 1. The horizontal moving mechanism 1, the horizontal moving mechanism 2, the diagonal bracing mechanism 4 and the lifting mechanism 5 are driven to make the whole structure monitor the side of the blade 7 in all aspects.

[0036] The above-mentioned embodiments are only preferred technical solutions of the utility model, and should not be regarded as the limitation of the utility model. The protection scope of the utility model should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features recorded in the claims. That is, the equivalent replacement improvement within the scope is also within the protection scope of the utility model.

Claims

1. A detection device for a wind turbine blade, characterised in that: The utility model provides a kind of ultrasonic scanner, including horizontal moving mechanism (1), the bottom of horizontal moving mechanism (1) is equipped with sliding translation mechanism (2), the bottom of translation mechanism (2) is equipped with sliding lifting mechanism (5), lifting mechanism (5) one end is equipped with ultrasonic scanner (6), the both ends of horizontal moving mechanism (1) are equipped with suction mechanism (3), one side of horizontal moving mechanism (1) is equipped with multiple detachable inclined strut mechanism (4).

2. The detection device for a wind turbine blade according to claim 1, characterized in that: Horizontal moving mechanism (1) includes crosspiece (101) and first lead screw (102), the bottom of crosspiece (101) is equipped with sliding slot (103), the both ends of sliding slot (103) are equipped with rotating hole (104), first lead screw (102) is installed in rotating hole (104), and first lead screw (102) one end is equipped with first motor (105).

3. The detection device for a wind turbine blade according to claim 1, characterized in that: Translation mechanism (2) includes horizontal frame (201) and second lead screw (203), and the top of horizontal frame (201) is equipped with sliding block (202), and sliding block (202) is threadedly connected with first lead screw (102), and the bottom of horizontal frame (201) is equipped with second sliding slot (206), and the both ends of second sliding slot (206) are equipped with second rotating hole (205), and second lead screw (203) is installed in second rotating hole (205), and second lead screw (203) one end is equipped with second motor (204).

4. The detection device for a wind turbine blade according to claim 1, characterized in that: Suction mechanism (3) includes support arm (301), and the bottom of support arm (301) is equipped with multiple connecting discs (302), and connecting disc (302) is equipped with suction disc (303), and the top of suction disc (303) is equipped with air pump (304).

5. The detection device for a wind turbine blade according to claim 1, characterized in that: Lifting mechanism (5) includes air cylinder (501), and the top of air cylinder (501) is equipped with second sliding block (502), and second sliding block (502) is connected with translation mechanism (2), and the bottom of air cylinder (501) is equipped with connecting plate (503), and the bottom of connecting plate (503) is equipped with rotationally connected rotating rod (505).

6. A detection device for a wind turbine blade according to claim 5, characterised in that: Rotating rod (505) is rotationally connected with ultrasonic scanner (6), and connecting plate (503) is equipped with multiple springs (504), one end of spring (504) is connected with ultrasonic scanner (6), and second sliding block (502) is equipped with lead screw hole (5021), and lead screw hole (5021) is connected with second rotating hole (205), and second sliding block (502) is abutted on second sliding slot (206).

7. The detection device for a wind turbine blade according to claim 1, characterized in that: Inclined strut mechanism (4) includes connecting seat (401) and two screw sleeves (403), and two screw sleeves (403) are equipped with bidirectional screw (402), one end of one of screw sleeve (403) is equipped with connecting seat (401), and one end of another screw sleeve (403) is equipped with base (404).

8. A detection device for a wind turbine blade according to claim 7, characterised in that: Connecting seat (401) is connected on crosspiece (101) by bolt, two screw sleeves (403) are threadedly connected with bidirectional screw (402), and bidirectional screw (402) is equipped with handle (405).

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