Wind power blade static test equipment

Abstract

The invention belongs to the technical field of wind power blade testing, and discloses wind power blade static test equipment which comprises a ground rail and a plurality of loading devices. The loading device comprises a base, a guide mechanism, a steering mechanism, a winding mechanism and a reversing mechanism. The base is arranged on the ground rail in a position-adjustable mode. The guide mechanism can be connected to a to-be-tested blade. The steering mechanism and the winding mechanism are arranged at the two ends of the base in the length direction correspondingly. The reversing mechanism is located between the steering mechanism and the winding mechanism. The rope can form a loop among the reversing mechanism, the guide mechanism, the steering mechanism and the winding mechanism, the winding mechanism winds the rope, and a pull-down load is applied to the to-be-tested blade through the guide mechanism. The reversing mechanism comprises a base and a movable part, the flexibility of the rope can be improved through the movable part, the rope winding fault in the pull-down process is prevented, and normal proceeding of the static loading test is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of wind turbine blade testing, and in particular to a wind turbine blade static testing device. Background Art

[0002] In order to verify whether the wind turbine blades have the ability to withstand the ultimate load, they need to be subjected to a static loading test. The static loading test is a loading test on the wind turbine blades to be tested in the test site.

[0003] The static loading test device in the prior art generally uses ropes to apply a downward pull load to the wind turbine blade to be tested. However, when the rope in the static loading test device is pulled downward, the rope may be tangled due to the rope retraction angle being too large or the rope retraction angle being too fixed, thus affecting the normal progress of the static loading test.

[0004] The prior art also provides a static loading test device that uses a hydraulic cylinder to perform single-point loading on a wind turbine blade. However, single-point loading is difficult to simulate the actual loading condition of the wind turbine blade to be tested, and the single-point loading method cannot balance the test error caused by the deadweight of the wind turbine blade to be tested, resulting in excessive test error and insufficient accuracy.

[0005] Therefore, there is an urgent need for a wind turbine blade static testing device to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a static testing device for wind turbine blades, which can improve the flexibility of the rope for applying a pull-down load, prevent rope entanglement failure, ensure the normal progress of the static loading test, and improve the accuracy of the test results.

[0007] To achieve this object, the present invention adopts the following technical solutions:

[0008] Wind turbine blade static test equipment, including:

[0009] A ground rail and a plurality of loading devices, wherein the plurality of loading devices are adjustably arranged on the ground rail and are all located below the blade to be tested in the direction of gravity, and the loading devices include:

[0010] A base, which is adjustably arranged on the ground rail;

[0011] A guide mechanism, capable of being connected to the blade to be tested;

[0012] A steering mechanism and a winding mechanism, wherein the steering mechanism and the winding mechanism are respectively arranged at two ends of the base in the length direction;

[0013] A reversing mechanism, located between the steering mechanism and the winding mechanism, comprises a base and a movable part, wherein the base is adjustably arranged on the base along the length direction, and the movable part is swingably arranged on the base, and the swing axis of the movable part is perpendicular to the length direction and gravity direction of the base;

[0014] A rope, one end of which is fixedly connected to a part of the reversing mechanism, passes around the guide mechanism and the movable part, and is connected to the winding mechanism after being guided by the steering mechanism. The winding mechanism can wind up or release the rope.

[0015] As a preferred solution of the wind turbine blade static testing equipment provided by the present invention, a plurality of installation holes arranged at intervals are opened at the bottom of the base along the length direction, a installation groove is opened on the ground rail along the extension direction, the length direction of the base is arranged at an angle to the extension direction of the ground rail, and the base also includes a ground anchor connector, which can be passed through any of the installation holes and fixed in the installation groove.

[0016] As a preferred solution of the wind turbine blade static test equipment provided by the present invention, the guide mechanism includes a guide bracket and a guide wheel, the guide bracket can be connected to the blade to be tested, the guide wheel is rotatably arranged in the guide bracket, and the rope is passed around the guide wheel.

[0017] As a preferred solution of the static test equipment for wind turbine blades provided by the present invention, the guide mechanism further comprises a plurality of anti-slip shafts, the plurality of anti-slip shafts are arranged at intervals along the circumference of the guide wheel and are respectively connected to the guide bracket, the anti-slip shafts can limit a part of the rope to the circumferential side of the guide wheel; and / or,

[0018] The guide wheel is provided with an annular groove along the circumferential direction, and a part of the rope is accommodated in the annular groove.

[0019] As a preferred solution of the wind turbine blade static test equipment provided by the present invention, the guide mechanism further includes a pull ring column, the pull ring column can be connected to the blade to be tested, and the pull ring column is fixedly connected to the guide bracket.

[0020] As a preferred solution of the static test equipment for wind turbine blades provided by the present invention, the guide mechanism further includes a locking ring and a self-aligning bearing, the self-aligning bearing is arranged in the guide bracket, the pull ring column passes through the guide bracket and is connected to the self-aligning bearing, and the self-aligning bearing can adjust the coaxiality of the pull ring column and the guide bracket;

[0021] The locking ring is fixedly arranged on the guide bracket, is arranged around and threadedly connected to the outside of the pull ring column, and can lock the relative position of the pull ring column and the guide bracket, or unlock the relative position of the pull ring column and the guide bracket.

[0022] As a preferred solution of the static testing equipment for wind turbine blades provided by the present invention, the movable part comprises a pulley cover and a reversing guide wheel, the pulley cover is swingably arranged on the base, and the reversing guide wheel is rotatably arranged on the pulley cover;

[0023] The reversing mechanism further comprises a fixed shaft, which is arranged on the pulley cover and spaced apart from the reversing guide wheel;

[0024] One end of the rope is fixedly connected to the fixed shaft, and then extends to bypass the guide mechanism and the reversing guide wheel in sequence, and then extends out of the base.

[0025] As a preferred solution of the wind turbine blade static testing equipment provided by the present invention, the reversing mechanism also includes a swing shaft, which is arranged in the base, and the pulley cover is movably connected to the swing shaft and can swing around the swing shaft; the swing shaft has a rope passing hole along the axial direction, and the rope bypassing the reversing guide wheel can extend from the rope passing hole to the base and extend to the steering mechanism.

[0026] As a preferred solution of the wind turbine blade static testing equipment provided by the present invention, the steering mechanism includes a steering guide wheel and a steering bracket, the steering bracket is arranged at one end of the base, the steering guide wheel is rotatably arranged on the steering bracket, and the rope extends from the reversing mechanism and then passes around the steering guide wheel.

[0027] As a preferred solution of the wind turbine blade static testing equipment provided by the present invention, the winding mechanism includes a winch and a driving component, the winch and the driving component are connected to each other and are respectively installed at one end of the base, the rope is wound around the winch, and the driving component can drive the winch to rotate to wind up or release the rope.

[0028] Beneficial effects of the present invention:

[0029] The wind turbine blade static test equipment provided by the present invention comprises a ground rail and a plurality of loading devices, wherein the plurality of loading devices are adjustably arranged on the ground rail and are all located below the blade to be tested in the gravity direction. By arranging a plurality of loading devices, the force of the blade to be tested can be made closer to the actual loading condition, and the problem of test error caused by imbalance due to the self-gravity of the blade to be tested in the single-point loading method can be avoided, thereby improving the accuracy of the test results.

[0030] The loading device includes a base, a guide mechanism, a steering mechanism, a winding mechanism and a reversing mechanism. The base is adjustably arranged on the ground rail. The base can adjust its position on the ground rail according to the specific conditions of the blade to be tested or the test site, so as to adapt to different test conditions and expand the application scope of the wind turbine blade static test equipment. The guide mechanism can be connected to the blade to be tested. The steering mechanism and the winding mechanism are respectively arranged at both ends of the base in the length direction. The reversing mechanism is located between the steering mechanism and the winding mechanism. The rope can form a loop between the reversing mechanism, the guide mechanism, the steering mechanism and the winding mechanism, and the winding mechanism winds up the rope, and applies a downward pull load to the blade to be tested through the guide mechanism. The reversing mechanism includes a base and a movable part. The base is adjustable in position along the length direction. The movable part is swingably arranged on the base. The swing axis of the movable part is perpendicular to the length direction and gravity direction of the base. After one end of the rope is fixedly connected to a part of the reversing mechanism, it bypasses the guide mechanism and the movable part, and is connected to the winding mechanism after being guided by the steering mechanism. The winding mechanism can wind up or release the rope. Through the movable part, the flexibility of the rope can be improved, the rope entanglement failure can be prevented during the pull-down process, and the normal static loading test can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is an axonometric diagram of a static test device for wind turbine blades provided by an embodiment of the present invention;

[0032] Figure 2 This is a front view of a static testing device for wind turbine blades provided by an embodiment of the present invention;

[0033] Figure 3 is a structural schematic diagram of a guide mechanism provided by an embodiment of the present invention;

[0034] Figure 4 is a structural schematic diagram of a reversing mechanism provided by an embodiment of the present invention;

[0035] Figure 5 is a top view of a reversing mechanism provided by an embodiment of the present invention;

[0036] Figure 6 yes Figure 5 Sectional view along AA direction.

[0037] In the figure:

[0038] 100, floor rail; 110, mounting slot;

[0039] 200, base; 210, mounting hole; 220, anchor connector;

[0040] 300, guide mechanism; 310, guide bracket; 320, guide wheel; 321, annular groove; 330, anti-slip shaft; 340, pull ring column; 350, locking ring; 360, self-aligning bearing;

[0041] 400, steering mechanism; 410, steering guide wheel; 420, steering bracket;

[0042] 500, winding mechanism; 510, hoist; 520, driving component;

[0043] 600, reversing mechanism; 610, base; 620, pulley cover; 630, reversing guide wheel; 640, fixed shaft; 650, swing shaft; 651, rope hole; 660, eye screw;

[0044] 700. Rope. DETAILED DESCRIPTION

[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0046] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0048] In the description of this embodiment, the terms "upper", "lower", "right", "left" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0049] Figure 1 An axonometric diagram showing a static test device for wind turbine blades provided by an embodiment of the present invention; Figure 2 The front view of the static test equipment for wind turbine blades provided by the embodiment of the present invention is shown. Figure 1 and Figure 2 , this embodiment provides a static test device for wind turbine blades. The static test device for wind turbine blades includes a ground rail 100 and a plurality of loading devices. The plurality of loading devices are adjustably arranged on the ground rail 100, and are all located below the blade to be tested in the direction of gravity. By setting a plurality of loading devices, the force on the blade to be tested can be made closer to the actual loading condition, and the problem of test error caused by imbalance due to the self-gravity of the blade to be tested in a single-point loading method can be avoided, thereby improving the accuracy of the test results.

[0050] Continue to refer to Figure 1 and Figure 2 The loading device includes a base 200, a guide mechanism 300, a steering mechanism 400, a winding mechanism 500, a reversing mechanism 600 and a rope 700. The base 200 is adjustably arranged on the ground rail 100. The guide mechanism 300 can be connected to the blade to be tested. The steering mechanism 400 and the reversing mechanism 500 are respectively arranged at two ends of the base 200 in the length direction. The reversing mechanism 600 is located between the steering mechanism 400 and the reversing mechanism 500, and is used as the extension starting point of the rope 700, connected to the fixed end of the rope 700, and can be used for the reversing of the rope 700 during the extension process, so that the rope 700 extending from the guide mechanism 300 is reversing to the steering mechanism 400. The rope 700 can form a loop between the reversing mechanism 600 , the guide mechanism 300 , the steering mechanism 400 and the winding mechanism 500 . The winding mechanism 500 winds up the rope 700 and applies a downward pull load to the blade to be tested through the guide mechanism 300 .

[0051] As an option, the rope 700 can be selected from a steel wire rope, a nylon rope, a fiber rope or a steel chain.

[0052] Specifically, the reversing mechanism 600 includes a base 610 and a movable part. The base 610 is adjustably arranged on the base 200 along the length direction, and the movable part is swingably arranged on the base 610, and the swing axis of the movable part is perpendicular to the length direction and gravity direction of the base 200. After one end of the rope 700 is fixedly connected to a part of the reversing mechanism 600, it bypasses the guide mechanism 300 and the movable part, and is connected to the winding mechanism 500 after being guided by the steering mechanism 400. The winding mechanism 500 can wind up or release the rope 700. Through the movable part, the flexibility of the rope 700 can be improved, and the rope entanglement failure can be prevented during the pull-down process, so as to ensure the normal progress of the static loading test.

[0053] More specifically, a plurality of installation holes 210 are provided at intervals at the bottom of the base 200 along the length direction, and an installation slot 110 is provided on the floor rail 100 along its own extension direction. The length direction of the base 200 is arranged at an angle to the extension direction of the floor rail 100. In this embodiment, the length direction of the base 200 is perpendicular to the extension direction of the floor rail 100. The base 200 further includes a ground connection member 220, which can be passed through any of the installation holes 210 and fixed in the installation slot 110.

[0054] Preferably, the floor rail 100 is provided with a plurality of installation grooves 110 at intervals, and a plurality of anchor connectors 220 are provided correspondingly, which can be installed in the corresponding installation holes 210 and installation grooves 110 to improve the installation stability of the base 200 and the floor rail 100. In this embodiment, the number of the installation grooves 110 is specifically two.

[0055] Figure 3 FIG. 2 is a schematic diagram showing the structure of the guide mechanism provided by an embodiment of the present invention. Figure 1 and Figure 3 The guide mechanism 300 includes a guide bracket 310 and a guide wheel 320. The guide bracket 310 is located below the blade to be tested in the direction of gravity and can be connected to the blade to be tested. The guide wheel 320 is rotatably arranged in the guide bracket 310. The rope 700 extends from the reversing mechanism 600, passes around the guide wheel 320, and then extends to the reversing mechanism 600 again.

[0056] Specifically, the guide wheel 320 is provided with an annular groove 321 along the circumferential direction, and a part of the rope 700 is accommodated in the annular groove 321. Through the annular groove 321, the rope 700 can be prevented from escaping from the guide wheel 320, causing the rope-off problem.

[0057] Preferably, the guide mechanism 300 further includes a plurality of anti-slip shafts 330, which are arranged at intervals along the circumference of the guide wheel 320 and are respectively connected to the guide bracket 310, and the anti-slip shafts 330 can limit a part of the rope 700 to the circumference of the guide wheel 320. In this embodiment, there are three anti-slip shafts 330. The anti-slip shafts 330 can further prevent the rope 700 from slipping out of the guide wheel 320 during the winding or releasing process of the winding mechanism 500.

[0058] Specifically, the guide mechanism 300 further includes a pull ring column 340, which can be connected to the blade to be tested, and the pull ring column 340 is fixedly connected to the guide bracket 310. The pull ring column 340 is provided with a rope threading hole, and the rope threading hole can allow a connecting rope to pass through, and the pull ring column 340 is connected to the blade to be tested through the connecting rope.

[0059] More specifically, the guide mechanism 300 further includes a locking ring 350 and a self-aligning bearing 360. The self-aligning bearing 360 is arranged in the guide bracket 310, and the pull ring column 340 passes through the guide bracket 310 and is connected to the self-aligning bearing 360. The self-aligning bearing 360 can adjust the coaxiality of the pull ring column 340 and the guide bracket 310. In this embodiment, the self-aligning bearing 360 can select a thrust self-aligning roller bearing in the prior art, and its structure and self-aligning principle are not described in detail in this embodiment. The locking ring 350 is fixedly arranged on the top of the guide bracket 310, and is arranged and threadedly connected to the outside of the pull ring column 340, and can lock the relative position of the pull ring column 340 and the guide bracket 310, or unlock the relative position of the pull ring column 340 and the guide bracket 310. Through the locking effect of the locking ring 350, the rope 700 can be prevented from being entangled due to excessive torque during the pull-down process.

[0060] Figure 4 A schematic diagram showing the structure of a reversing mechanism provided by an embodiment of the present invention is shown; Figure 5 A top view of a reversing mechanism provided by an embodiment of the present invention is shown; Figure 6 Show Figure 5 Sectional view along the AA axis. Figure 1 and Figure 4-Figure 6 The movable part of the reversing mechanism 600 includes a pulley cover 620 and a reversing guide wheel 630. The pulley cover 620 is swingably disposed on the base 610, and the reversing guide wheel 630 is rotatably disposed on the pulley cover 620. The reversing mechanism 600 also includes a fixed shaft 640, which is disposed on the pulley cover 620 and is spaced apart from the reversing guide wheel 630. One end of the rope 700 is fixedly connected to the fixed shaft 640, and then extends to bypass the guide mechanism 300 and the reversing guide wheel 630 in sequence, and then extends out of the base 610.

[0061] Specifically, refer to Figure 4 and Figure 6 The reversing mechanism 600 further includes a swing shaft 650, which is disposed in the base 610. The pulley cover 620 is movably connected to the swing shaft 650 and can swing around the swing shaft 650. The swing shaft 650 is provided with a rope hole 651 along the axial direction, and the rope 700 that bypasses the reversing guide wheel 630 can extend from the base 610 through the rope hole 651 and extend to the steering mechanism 400. It should be noted that the extension line of the lowest position of the inner wall at the entrance of the rope hole 651 in the gravity direction can be tangent to the lowest point of the reversing guide wheel 630 in the gravity direction, that is, the rope hole 651 can limit the rope 700 extending from the reversing guide wheel 630 to prevent the rope 700 from escaping from the reversing guide wheel 630.

[0062] More specifically, refer to Figure 4 The reversing mechanism 600 further includes a lifting eye screw 660. The lifting eye screw 660 can be connected to a preset screw hole of the base 610 through its own thread. The lifting eye screw 660 can be used to connect to a lifting device when the reversing mechanism 600 is lifted and transported.

[0063] Continue to refer to Figure 1 and Figure 2 The steering mechanism 400 includes a steering guide wheel 410 and a steering bracket 420. The steering bracket 420 includes two connected support plates, both of which are arranged at one end of the base 200 and extend in the direction of the reversing mechanism 600. The steering guide wheel 410 is rotatably arranged between the two support plates. After the rope 700 extends from the reversing mechanism 600, it bypasses the steering guide wheel 410 and is then guided to the winding mechanism 500. Through the steering guide wheel 410, the rope winding length of the winding mechanism 500 can be extended, the rope winding angle can be reduced, and the rope winding failure caused by the excessive rope winding angle can be avoided.

[0064] Continue to refer to Figure 1 and Figure 2 , the winding mechanism 500 includes a winch 510 and a driving component 520. The winch 510 and the driving component 520 are connected to each other and are respectively installed at one end of the base 200. The rope 700 is wound around the winch 510, and the driving component 520 can drive the winch 510 to rotate to reel or release the rope 700. In this embodiment, the driving component 520 can specifically be a servo motor, a hydraulic motor, or a device that uses gear transmission to achieve torque output. The winch 510 can also be replaced by a hydraulic cylinder, a cylinder, or a ball screw-type mechanical device that can perform linear motion or rolling force.

[0065] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Wind turbine blade static test equipment, characterized in that: include: A ground rail (100) and a plurality of loading devices, wherein the plurality of loading devices are adjustably arranged on the ground rail (100) and are all located below the blade to be tested in the direction of gravity, and the loading devices include: A base (200) is adjustably disposed on the ground rail (100); A guide mechanism (300) capable of being connected to the blade to be tested; A steering mechanism (400) and a winding mechanism (500), wherein the steering mechanism (400) and the winding mechanism (500) are respectively arranged at two ends of the base (200) in the length direction; a reversing mechanism (600), located between the steering mechanism (400) and the winding mechanism (500), comprising a base (610) and a movable part, wherein the base (610) is adjustably arranged on the base (200) along the length direction, and the movable part is swingably arranged on the base (610), and the swing axis of the movable part is perpendicular to the length direction and the gravity direction of the base (200); A rope (700), one end of which is fixedly connected to a part of the reversing mechanism (600), passes around the guide mechanism (300) and the movable part, and is connected to the winding mechanism (500) after being guided by the steering mechanism (400). The winding mechanism (500) can wind up or release the rope (700).

2. The wind turbine blade static test equipment according to claim 1, characterized in that: A plurality of installation holes (210) are provided at intervals at the bottom of the base (200) along the length direction, a installation groove (110) is provided on the ground rail (100) along the extension direction, the length direction of the base (200) is arranged at an angle to the extension direction of the ground rail (100), and the base (200) further comprises a ground anchor connector (220), which can be passed through any of the installation holes (210) and fixed in the installation groove (110).

3. The static testing equipment for wind turbine blades according to claim 1, characterized in that: The guide mechanism (300) comprises a guide bracket (310) and a guide wheel (320), wherein the guide bracket (310) can be connected to the blade to be tested, the guide wheel (320) is rotatably arranged in the guide bracket (310), and the rope (700) passes around the guide wheel (320).

4. The static testing equipment for wind turbine blades according to claim 3, characterized in that: The guide mechanism (300) further comprises a plurality of anti-slip shafts (330), the plurality of anti-slip shafts (330) being arranged at intervals along the circumference of the guide wheel (320) and respectively connected to the guide bracket (310), the anti-slip shafts (330) being capable of restricting a portion of the rope (700) to the circumference of the guide wheel (320); and / or, The guide wheel (320) is provided with an annular groove (321) along the circumferential direction, and a portion of the rope (700) is accommodated in the annular groove (321).

5. The static testing equipment for wind turbine blades according to claim 3, characterized in that: The guide mechanism (300) further comprises a pull ring column (340), wherein the pull ring column (340) can be connected to the blade to be tested, and the pull ring column (340) is fixedly connected to the guide bracket (310).

6. The static testing equipment for wind turbine blades according to claim 5, characterized in that: The guide mechanism (300) further comprises a locking ring (350) and a self-aligning bearing (360), wherein the self-aligning bearing (360) is arranged in the guide bracket (310), the pull ring column (340) passes through the guide bracket (310) and is connected to the self-aligning bearing (360), and the self-aligning bearing (360) can adjust the coaxiality of the pull ring column (340) and the guide bracket (310); The locking ring (350) is fixedly arranged on the guide bracket (310), is arranged around and threadedly connected to the outside of the pull ring column (340), and can lock the relative position of the pull ring column (340) and the guide bracket (310), or unlock the relative position of the pull ring column (340) and the guide bracket (310).

7. The static testing equipment for wind turbine blades according to claim 1, characterized in that: The movable part comprises a pulley cover (620) and a reversing guide wheel (630), wherein the pulley cover (620) is swingably arranged on the base (610), and the reversing guide wheel (630) is rotatably arranged on the pulley cover (620); The reversing mechanism (600) further comprises a fixed shaft (640), wherein the fixed shaft (640) is arranged on the pulley cover (620) and is spaced apart from the reversing guide wheel (630); One end of the rope (700) is fixedly connected to the fixed shaft (640), and then extends to bypass the guide mechanism (300) and the reversing guide wheel (630) in sequence, and then extends out of the base (610).

8. The wind turbine blade static test equipment according to claim 7, characterized in that: The reversing mechanism (600) further comprises a swing shaft (650), wherein the swing shaft (650) is arranged in the base (610), and the pulley cover (620) is movably connected to the swing shaft (650) and can swing around the swing shaft (650); the swing shaft (650) is provided with a rope hole (651) along the axial direction, and the rope (700) passing around the reversing guide wheel (630) can extend from the rope hole (651) out of the base (610) and extend to the steering mechanism (400).

9. The static testing equipment for wind turbine blades according to claim 1, characterized in that: The steering mechanism (400) comprises a steering guide wheel (410) and a steering bracket (420), wherein the steering bracket (420) is arranged at one end of the base (200), the steering guide wheel (410) is rotatably arranged on the steering bracket (420), and the rope (700) extends from the reversing mechanism (600) and then passes around the steering guide wheel (410).

10. The static testing equipment for wind turbine blades according to claim 1, characterized in that: The winding mechanism (500) comprises a winch (510) and a driving component (520); the winch (510) and the driving component (520) are connected to each other and are respectively installed at one end of the base (200); the rope (700) is wound around the winch (510); and the driving component (520) can drive the winch (510) to rotate so as to wind up or release the rope (700).

Images