CN118758587B - Wind turbine generator system subassembly installation intensity detection device - Google Patents

Abstract

The invention relates to the technical field of wind turbine installation strength detection, and in particular provides a wind turbine assembly installation strength detection device, which comprises: the device comprises a detection table, a rotating shaft and an intensity detection mechanism. According to the invention, the two vertical propping groups in the propping intensity detection mechanism alternately apply vertical laminating loads on different surfaces to the blade from two sides of the blade under the driving action of the detection driving group, and the matching locking group is matched with the sleeve and the vertical propping group, so that the vertical laminating load of the blade under the action of strong wind can be simulated, and the vertical laminating load of the blade under the action of strong wind in an icing environment can be simulated, thereby comprehensively detecting the mounting intensity of the blade, improving the detection accuracy and improving the convenience in alternately changing different loads in the detection process.

Description

Wind turbine generator system subassembly installation intensity detection device

Technical Field

The invention relates to the technical field of wind turbine installation detection, and particularly provides a wind turbine assembly installation strength detection device.

Background

Blades are one of the most important components in a wind power generator set, and the function of the blades is to capture wind energy and convert the wind energy into rotational mechanical energy, and finally into electrical energy through a generator. Any structural defect or damage to the blade may lead to serious safety accidents, such as breaking or falling of the blade, which pose a threat to personnel and the surrounding environment, and therefore the strength performance of the blade after installation needs to be detected after production is completed.

In the use process of the blade, the blade is required to bear continuous vertical wind force action borne by different surfaces, loads under various complex environmental conditions (such as ice load under icing environment) and wind force actions of different sizes, so that if a single wind load or a single ice load detection mode is adopted, the installation strength of the blade is difficult to accurately and comprehensively detect, and therefore, a wind turbine assembly installation strength detection device is needed at present, and the accuracy of blade installation strength detection is improved.

Disclosure of Invention

In view of the above problems, an embodiment of the present application provides a wind turbine generator system assembly installation strength detection device, so as to solve the technical problems in the related art.

In order to achieve the above object, the embodiment of the present application provides the following technical solutions: wind turbine generator system subassembly installation intensity detection device includes: the detecting platform is L-shaped, the vertical section of the detecting platform is provided with supporting frames symmetrically arranged along the length direction of the detecting platform, a rotating shaft is connected between the two supporting frames in a rotating mode, blades evenly distributed along the circumferential direction of the rotating shaft are arranged in the middle of the rotating shaft through fixing components, and a rotary driving group for driving the rotating shaft to rotate is arranged on one supporting frame.

In one possible implementation, a tripod is mounted on the lower end surface of one end of the support frame far away from the vertical section of the detection table.

The rotary shaft is provided with a pressing intensity detection mechanism, the pressing intensity detection mechanism comprises two vertical pressing groups which are arranged on the rotary shaft and are axially symmetrically arranged along the rotary shaft, the blades are positioned between the two vertical pressing groups, the vertical pressing groups are provided with pressing fit assemblies which are uniformly distributed along the circumferential direction of the rotary shaft and are in one-to-one correspondence with the blades, the rotary shaft is connected with two sleeves which axially slide along the rotary shaft in a spline fit manner, the blades are positioned between the two sleeves, and a fit locking group is arranged between the sleeve and the vertical pressing groups.

In one possible implementation manner, the pressing and fitting component is a 匚 -shaped clamping strip with an opening facing the blade, and the inner wall of the 匚 -shaped clamping strip is in shape fit with the corresponding side wall of the blade.

The detection table is provided with a detection driving mechanism for driving the two vertical pressing groups to alternately move to simulate the blade to receive different surface attaching actions and different pressing loads in the rotating process, and when the sleeve is in locking connection with the vertical pressing groups by matching with the locking groups, the vertical pressing groups synchronously rotate along with the rotating shaft and the blade, the detection driving mechanism drives the vertical pressing groups to move to simulate the state of the surface of the blade under the action of strong wind in the vertical direction; when the sleeve is unlocked with the vertical propping group by the matching locking group, the propping and attaching assembly on the vertical propping group is clamped on the blade, the detection driving mechanism drives the vertical propping group to move to apply a vertical attaching force to the blade, the blade drives the vertical propping group to rotate in the process of applying the vertical attaching force, and the state of the surface of the blade under the icing environment under the action of strong wind in the vertical direction is simulated.

In one possible implementation mode, the vertical pressing group comprises a rotating cylinder which is rotationally connected to the sleeve, the two sleeves are connected through a limiting plate, the limiting plate is located between two adjacent blades, one end, close to the blades, of the rotating cylinder is provided with pressing plates which are uniformly distributed along the circumferential direction of the rotating cylinder, the pressing plates are in one-to-one correspondence with the blades, the pressing and attaching assembly is arranged on one side wall, close to the blades, of the pressing plates, and a connecting ring is arranged on the outer wall rotating sleeve of the rotating cylinder.

In one possible implementation mode, the detection driving mechanism comprises a plurality of connecting columns which are arranged along the circumferential direction of the connecting ring and are arranged at one end of the connecting ring, a supplementary plate is fixedly arranged at one end of the connecting columns, which is far away from the connecting ring, of the connecting columns, a movable shaft is fixedly arranged between the two supplementary plates, the movable shaft penetrates through the rotating shaft and is connected with the rotating shaft through a linear bearing, a hydraulic cylinder is arranged on the detection table through a fixing frame, and the telescopic end of the hydraulic cylinder is connected with one of the supplementary plates.

In one possible implementation manner, the end face, close to the blade, of the connecting ring is rotatably connected with a rotating ring, and a sloping plate is arranged between the end face, far away from the blade, of the pressing plate and the rotating ring.

In a possible implementation mode, the cooperation locking group is including seting up the annular groove at the rotary drum inner wall, annular slip groove has been seted up to telescopic lateral wall, annular slip inslot connection has the snap ring along sleeve axial slip, the vertical cross-section of snap ring is L shape structure, be connected through reset spring between snap ring and the annular groove, the jack groove of evenly arranging along its circumference has been seted up to the lateral wall of annular groove, install the inserted block with the jack groove one-to-one on the snap ring, the support ring is installed to the vertical terminal surface of snap ring, support the ring and keep away from the one end inner wall and the outer wall of snap ring all be provided with the inclined plane, be provided with in link ring and the annular groove jointly and promote to support the ring and drive the inserted driving assembly that the inserted block inserted in the jack groove.

In a possible implementation manner, the plugging driving assembly comprises an annular through groove formed in the side wall of the annular groove and used for dividing the rotary drum into two sections along the axial direction of the annular through groove, a pull rod sliding up and down is connected to the connecting ring, a semi-annular frame is installed after the pull rod penetrates through the annular through groove and enters the annular groove, pushing rods are installed at the upper end and the lower end of the semi-annular frame, the pushing rods located at the upper side are abutted against the inclined planes of the outer walls of the pushing rings, the pushing rods located at the lower side are abutted against the inclined planes of the inner walls of the pushing rings, and the pushing rods move downwards to extrude the corresponding inclined planes on the pushing rings so that the inserting blocks can be inserted into the plugging grooves.

In one possible implementation mode, the horizontal segment top of detecting the platform has seted up and has accomodate the groove, accomodates the inslot and is connected with the lifter plate that slides from top to bottom, and lifter plate top sliding connection has the slider, is connected with the slider after the lower extreme of pull rod runs through the go-between.

In one possible implementation manner, the rotary driving set comprises a gear ring fixedly sleeved on the rotary shaft, wherein one support frame is rotatably connected with a driving shaft, and a gear meshed with the gear ring is fixedly sleeved on the driving shaft.

The above technical solutions in the embodiments of the present invention have at least one of the following beneficial effects: 1. according to the wind turbine generator system assembly installation strength detection device, two vertical propping groups in the propping strength detection mechanism alternately apply vertical binding loads on different surfaces to the blades from two sides of the blades under the driving action of the detection driving group, and the matching locking group is matched with the sleeve and the vertical propping groups, so that the vertical binding load of the blades under the action of strong wind can be simulated, the comprehensive installation strength detection of the blades is performed, the detection accuracy is improved, and the convenience in alternating different loads in the detection process is improved.

2. The pressure resisting intensity detection mechanism is matched with the detection driving mechanism, so that vertical attaching loads of different surfaces of the blade can be simulated when strong winds of different sizes are received, whether the two groups of vertical pressure resisting groups apply loads to the blade or not is not influenced, icing environment is simulated, and the detection convenience and the detection efficiency are greatly improved.

3. The abutting and laminating assembly is 匚 -shaped clamping strips with openings facing the blades, and the inner walls of the 匚 -shaped clamping strips are matched with the corresponding side walls of the blades in shape, so that the 匚 -shaped clamping strips are coated on the side walls of the blades to simulate the coverage surface when strong wind contacts with the side walls of the blades, the simulation detection is more real, and the detection accuracy is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic overall perspective view of the present invention.

Fig. 2 is an enlarged schematic view of a portion of fig. 1 of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a cross-sectional view of the vertical compression set of the present invention.

Fig. 5 is an enlarged schematic view of a portion of the invention at B of fig. 4.

Fig. 6 is a schematic view of a partial perspective structure of the pressing strength detecting mechanism and the detecting driving mechanism of the present invention.

Reference numerals: 1. a detection table; 10. a lifting plate; 11. a sliding block; 2. a support frame; 20. a tripod; 3. a rotation shaft; 4. a blade; 5. a rotary drive group; 50. a gear ring; 51. a drive shaft; 52. a gear; 6. a pressing strength detection mechanism; 60. a vertical pressing group; 601. a rotary drum; 602. a pressing plate; 603. a limiting plate; 604. a connecting ring; 61. pressing the laminating assembly; 62. a sleeve; 63. matching the locking group; 630. an annular groove; 631. an annular sliding groove; 632. a clasp; 633. a return spring; 634. a plug-in groove; 635. inserting blocks; 636. a support ring; 640. an annular through groove; 641. a pull rod; 642. a semi-ring frame; 643. a push rod; 650. a rotating ring; 651. a sloping plate; 7. detecting a driving mechanism; 70. a connecting column; 71. a supplementary plate; 72. a movable shaft; 73. a fixing frame; 74. and a hydraulic cylinder.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, a wind turbine generator system assembly installation strength detection device includes: the detection platform 1, detection platform 1 is L shape, and the vertical section of detection platform 1 is provided with along its length direction symmetrical arrangement's support frame 2, rotates between two support frames 2 to be connected with rotation axis 3, and rotation axis 3's middle part is provided with evenly arranged's blade 4 along rotation axis 3 circumference through fixed subassembly, is provided with the rotatory drive group 5 of drive rotation axis 3 pivoted on one of them support frame 2.

Referring to fig. 1, the end face of the support frame 2, which is far away from the end of the vertical section of the detection table 1, is provided with a tripod 20, so that the stability of the support frame 2 in supporting connection with the rotating shaft 3 is improved, and the overall stability of the detection of the installation strength of the blade 4 is further improved.

The fixed subassembly is current fixed knot that is used for simulating the installation of blade 4 to connect constructs, and rotation drive group 5 drives rotation axis 3 and rotates in order to simulate the rotatory process of blade 4.

Referring to fig. 1 and 2, a pressing intensity detection mechanism 6 is disposed on a rotating shaft 3, the pressing intensity detection mechanism 6 includes two vertical pressing groups 60 disposed on the rotating shaft 3 and symmetrically disposed along an axial direction thereof, a vane 4 is disposed between the two vertical pressing groups 60, pressing fit assemblies 61 uniformly disposed along the circumferential direction of the rotating shaft 3 and in one-to-one correspondence with the vane 4 are disposed on the vertical pressing groups 60, two sleeves 62 axially sliding along the rotating shaft 3 are connected on the rotating shaft 3 in a spline fit manner, the vane 4 is disposed between the two sleeves 62, and a matching locking group 63 is disposed between the sleeves 62 and the vertical pressing groups 60.

Referring to fig. 2, the pressing and attaching component 61 is a 匚 -shaped clamping strip with an opening facing the blade 4, the inner wall of the 匚 -shaped clamping strip is in shape fit with the corresponding side wall of the blade 4, and the 匚 -shaped clamping strip is coated on the side wall of the blade 4 to simulate the contact state of strong wind and the side wall of the blade 4, so that the simulation detection is more real, and the detection accuracy is improved.

Referring to fig. 1, a detection driving mechanism 7 for driving two vertical pressing groups 60 to alternately move to simulate the contact action of different surfaces and the action of different pressing loads of the blades 4 in the rotation process is arranged on the detection table 1.

When carrying out the intensity test after blade 4 receives different surface laminating loads, the not strong wind of equidimension that blade 4 during actual operation surface received drives both sides through detection actuating mechanism 7 and supports and press laminating subassembly 61 to apply the mode of surface laminating load to blade 4 in turn and replace to make blade 4 testing result obtain more convenient, whether damage appears in blade 4 under the laminating load of different surfaces through observing, thereby judge whether the intensity of blade 4 is qualified.

Referring to fig. 1, 2, 3, 4 and 6, the vertical pressing set 60 includes a rotating cylinder 601 rotatably connected to the sleeves 62, the two sleeves 62 are connected by a limiting plate 603, the limiting plate 603 is located between two adjacent blades 4, one end of the rotating cylinder 601, which is close to the blades 4, is provided with pressing plates 602 uniformly distributed along the circumferential direction, the pressing plates 602 are in one-to-one correspondence with the blades 4, the pressing and attaching assembly 61 is installed on a side wall of the pressing plates 602, which is close to the blades 4, and a connecting ring 604 is rotatably sleeved on the outer wall of the rotating cylinder 601.

Referring to fig. 1, 3 and 6, the detection driving mechanism 7 includes a plurality of connection columns 70 mounted at one end of the connection ring 604 far away from the blade 4 and arranged along the circumferential direction of the connection ring 604, a supplementary plate 71 is fixedly mounted at one end of the connection column 70 far away from the connection ring 604, a movable shaft 72 is fixedly mounted between the two supplementary plates 71, the movable shaft 72 penetrates through the rotating shaft 3 and is connected with the rotating shaft 3 through a linear bearing, a hydraulic cylinder 74 is mounted on the detection table 1 through a fixing frame 73, and the telescopic end of the hydraulic cylinder 74 is connected with one of the supplementary plates 71.

During detection, the rotary driving group 5 is started to drive the rotary shaft 3 to rotate, the hydraulic cylinder 74 drives the two vertical abutting groups 60 to alternately apply vertical abutting loads with different sizes to the blades 4, the sleeve 62 is locked and connected with the vertical abutting groups 60 through the matched locking groups 63 only when the installation strength detection of the blades 4 is carried out under the condition of simulating different strong winds, the hydraulic cylinder 74 drives the movable shaft 72 to reciprocate along the rotary shaft 3, the movable shaft 72 drives the two connecting rings 604 to reciprocate through the two supplementing plates 71 and the connecting columns 70, the two connecting rings 604 respectively drive the rotary cylinders 601, the sleeve 62 and the abutting plates 602 which are connected with each other to apply vertical abutting loads of different surfaces to the blades 4, the abutting assembly 61 on the abutting plates 602 is abutted to the surfaces of the blades 4, the sleeve 62 is driven to rotate through a spline fit mode in the process of driving the blades 4, and the sleeve 62 drives the rotary cylinder 601 to rotate through the matched locking groups 63 at the moment, and the load applied to the blades 4 under the icing environment is not applied to the blades 4.

When the cooperation locking group 63 unlocks the sleeve 62 and the vertical pressing group 60, the insert 635 is separated from the insert groove 634, the sleeve 62 does not drive the rotary drum 601 to rotate in the rotating process, when the pressing and attaching assembly 61 on the pressing plate 602 is clamped on the blade 4, the blade 4 drives the pressing and attaching assembly 61, the pressing plate 602 and the rotary drum 601 to synchronously rotate in the rotating process, at the moment, the blade 4 is not only subjected to vertical load force, but also subjected to load force when the pressing and attaching assembly 61 is stirred, so that icing load gravity of the blade 4 is simulated, and simultaneously, the state of the blade 4 under icing environment when the surface of the blade 4 is subjected to strong wind load in the vertical direction is simulated.

Referring to fig. 3 and fig. 4, the end surface of the connecting ring 604, which is close to the blade 4, is rotatably connected with a rotating ring 650, a sloping plate 651 is installed between the end surface of the pressing plate 602, which is far away from the blade 4, and the rotating ring 650, and the sloping plate 651, the rotating cylinder 601 and the pressing plate 602 are arranged in a triangle shape, so that the stability of the pressing plate 602 when the pressing plate 602 vertically presses the blade 4 is improved, and the detection accuracy is further improved.

Referring to fig. 1, 4 and 5, the matching locking set 63 includes an annular groove 630 formed on the inner wall of the rotary cylinder 601, an annular sliding groove 631 formed on the side wall of the sleeve 62, a snap ring 632 axially sliding along the sleeve 62 connected in the annular sliding groove 631, an L-shaped vertical section of the snap ring 632, a return spring 633 connected between the snap ring 632 and the annular groove 630, a socket 634 uniformly distributed along the circumferential direction of the side wall of the annular groove 630, plug blocks 635 corresponding to the socket 634 one by one mounted on the snap ring 632, a supporting ring 636 mounted on the vertical end surface of the snap ring 632, inclined surfaces formed on the inner wall and the outer wall of one end of the supporting ring 636 far away from the snap ring 632, and a plug driving assembly for pushing the supporting ring 636 and the snap ring 632 to drive the plug blocks 635 to be inserted into the socket 634.

Referring to fig. 4 and 5, the plugging driving assembly includes an annular through groove 640 formed on a side wall of the annular groove 630 and dividing the rotary cylinder 601 into two sections along an axial direction thereof, a pull rod 641 sliding up and down is connected to the connecting ring 604, a semi-ring frame 642 is installed after the pull rod 641 penetrates through the connecting ring 604 and enters the annular groove 630, the upper and lower ends of the semi-ring frame 642 are respectively provided with a push rod 643, the push rods 643 located at the upper side are in contact with an inclined plane of an outer wall of the push ring 636, the push rods 643 located at the lower side are in contact with an inclined plane of an inner wall of the push ring 636, and the two push rods 643 move downward to squeeze the corresponding inclined planes on the push ring 636, so that the snap ring 632 is pushed to enable the plug 635 to be inserted into the plugging groove 634.

When the installation strength of the blade 4 under the action of strong wind is detected during rotation, the pull rod 641 is pulled to move downwards by an external driving source, the pull rod 641 drives the semi-ring frame 642 and the push rods 643 to move downwards, the two push rods 643 move downwards to press corresponding inclined planes on the push rings 636 so as to push the snap rings 632 to move, the snap rings 632 drive the inserting blocks 635 to be inserted into the inserting grooves 634, the sleeve 62 is connected with the rotary cylinder 601, the rotary shaft 3 drives the sleeve 62 to rotate in a spline fit mode in the rotation process, the sleeve 62 drives the rotary cylinder 601 and the push plates 602 to rotate, and the detection driving mechanism 7 drives the rotary cylinder 601 to drive the push plates 602 to move so as to simulate the installation strength of the blade 4 under the condition of strong wind, and the blade 4 only receives vertical attaching loads in different directions and is not subjected to loads applied to the blade 4 in the icing environment.

When the blade 4 needs to be simulated in the icing environment and the installation strength under the action of strong wind in the rotating process is detected, the pull rod 641 moves upwards to drive the semi-ring frame 642 and the pushing rod 643 to move upwards, the clamping ring 632 drives the plug 635 to reset under the elastic force of the reset spring 633, so that the plug 635 is separated from the plug groove 634, the sleeve 62 does not drive the rotary cylinders 601 to rotate in the rotating process, but when the detection driving mechanism 7 drives one of the rotary cylinders 601 to drive the pushing plate 602 to move to apply vertical load force to the blade 4, the pushing and pressing assembly 61 on the pushing plate 602 is clamped on the blade 4, the blade 4 drives the two vertical pushing and pressing assemblies 60 to rotate synchronously by stirring the pushing and pressing assembly 61 in the rotating process, at the moment, the rotating directions and the speeds of the two rotary cylinders 601 and the sleeve 62 are still consistent, the pushing and pressing assembly 61 can be accurately clamped on the blade 4, the sleeve 62 can be accurately plugged into the rotary cylinders 601 through the matched locking assembly 63, under the condition, the blade 4 is subjected to vertical load force, and the blade 4 is subjected to icing load force under the condition when the pushing and pressing assembly 61 is simulated under the icing environment.

Referring to fig. 1, a receiving slot is formed at the top of the horizontal section of the detecting table 1, a lifting plate 10 sliding up and down is connected in the receiving slot, a sliding block 11 is slidably connected at the top of the lifting plate 10, and the lower end of a pull rod 641 penetrates through the connecting ring 604 and is connected with the sliding block 11.

The lifting plate 10 is provided with a lifting driving source (such as an electric sliding block) for driving the lifting plate 10 to move up and down, and two pull rods 641 are simultaneously pulled to move in the process of moving up and down, when the rotary cylinder 601 moves, the pull rods 641 drive the sliding blocks 11 to slide on the lifting plate 10, so that the alternate movement of the two rotary cylinders 601 is not influenced, and the simultaneous up and down movement of the two pull rods 641 is not influenced.

Referring to fig. 1 and 3, the rotary driving set 5 includes a gear ring 50 fixedly sleeved on the rotary shaft 3, one of the supporting frames 2 is rotatably connected with a driving shaft 51, the driving shaft 51 is fixedly sleeved with a gear 52 meshed with the gear ring 50, the driving shaft 51 is connected with an external driving source (such as a motor), and the driving shaft 51 drives the rotary shaft 3 to rotate through the meshing of the gear 52 and the gear ring 50 in the process of rotation, so that the rotary shaft 3 drives the blades 4 to rotate for detecting the installation strength, and the supplementing plate 71 adjacent to the gear ring 50 is provided with an arc-shaped groove to avoid collision between the supplementing plate 71 and the external driving source in the process of movement.

When the device is in operation, the rotary driving group 5 drives the rotary shaft 3 to drive the blades 4 to rotate, when the installation strength of the blades 4 is detected under the action of strong wind, the sleeve 62 is in locking connection with the vertical pressing group 60 through the matched locking group 63, the vertical pressing group 60 synchronously rotates along with the rotary shaft 3 and the blades 4, the hydraulic cylinder 74 drives the movable shaft 72 to reciprocate along the axis of the rotary shaft 3, the movable shaft 72 drives the two connecting rings 604 to reciprocate through the two supplementing plates 71 and the connecting column 70, the two connecting rings 604 respectively drive the rotary cylinders 601, the sleeve 62 and the pressing plates 602 which are connected with the two connecting rings respectively to press the vertical lamination loads of different surfaces of the blades 4, the pressing lamination assembly 61 on the pressing plates 602 is in lamination with the surfaces of the blades 4, the sleeve 62 is driven to rotate through the spline fit mode in the process of the rotary shaft 3 driving the blades 4, and the sleeve 62 drives the rotary cylinder 601 to rotate through the matched locking group 63 at the moment, and the blades 4 are only subjected to the vertical lamination loads of different surfaces.

When the blade 4 needs to be subjected to icing environment and the installation strength is detected under the action of strong wind, the abutting assembly 61 on one vertical abutting group 60 abuts against the blade 4, the sleeve 62 is unlocked from the vertical abutting group 60 by the matched locking group 63, the plug 635 is separated from the plug groove 634, the sleeve 62 does not drive the rotary cylinder 601 to rotate in the rotating process, when the abutting assembly 61 on the abutting plate 602 is clamped on the blade 4, the blade 4 drives the abutting assembly 61, the abutting plate 602 and the rotary cylinder 601 to synchronously rotate in the rotating process, at the moment, the blade 4 is subjected to vertical load force and load force generated when the abutting assembly 61 is stirred, and icing load gravity of the blade 4 under the icing environment is simulated.

To sum up, this device laminates perpendicular load and the laminating load force of equidimension and icing different surperficial laminating perpendicular load and equidimension under the environment and carries out comprehensive installation intensity performance to blade 4 and detects, has not only improved the accuracy that detects, has still improved the convenience of alternating the load that blade 4 received in the testing process.

In the description of the present invention, it should be understood that the terms "long", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims (7)

1. Wind turbine generator system subassembly installation intensity detection device, characterized by includes: the detection platform (1), the detection platform (1) is L-shaped, the vertical section of the detection platform (1) is provided with support frames (2) symmetrically arranged along the length direction of the detection platform, a rotating shaft (3) is rotationally connected between the two support frames (2), the middle part of the rotating shaft (3) is provided with blades (4) uniformly distributed along the circumferential direction of the rotating shaft (3) through a fixing component, and one support frame (2) is provided with a rotating driving group (5) for driving the rotating shaft (3) to rotate;

The rotary shaft (3) is provided with a pressing intensity detection mechanism (6), the pressing intensity detection mechanism (6) comprises two vertical pressing groups (60) which are arranged on the rotary shaft (3) and are symmetrically arranged along the axial direction of the rotary shaft, the blades (4) are positioned between the two vertical pressing groups (60), the vertical pressing groups (60) are provided with pressing fit assemblies (61) which are uniformly distributed along the circumferential direction of the rotary shaft (3) and are in one-to-one correspondence with the blades (4), the rotary shaft (3) is connected with two sleeves (62) which slide along the axial direction of the rotary shaft in a spline fit manner, the blades (4) are positioned between the two sleeves (62), and a fit locking group (63) is arranged between each sleeve (62) and each vertical pressing group (60);

The detection table (1) is provided with a detection driving mechanism (7) for driving two vertical pressing groups (60) to alternately move, simulating the action of different surface lamination and the action of different pressing loads on the blade (4), when the sleeve (62) is locked and connected with the vertical pressing groups (60) by the matching locking groups (63), the vertical pressing groups (60) synchronously rotate along with the rotating shaft (3) and the blade (4), the detection driving mechanism (7) drives the vertical pressing groups (60) to move, and simulating the state of the surface of the blade (4) under the action of strong wind in the vertical direction; when the sleeve (62) is unlocked with the vertical pressing group (60) by matching with the locking group (63), the pressing attaching assembly (61) on the vertical pressing group (60) is clamped on the blade (4), the detection driving mechanism (7) drives the vertical pressing group (60) to move to apply a vertical attaching force to the blade (4), and the blade (4) drives the vertical pressing group (60) to rotate so as to simulate the state of the surface of the blade (4) under the action of strong vertical wind in an icing environment;

The vertical pressing group (60) comprises a rotating cylinder (601) which is rotationally connected to a sleeve (62), the two sleeves (62) are connected through a limiting plate (603), the limiting plate 603 is positioned between two adjacent blades (4), one end, close to the blades (4), of the rotating cylinder (601) is provided with pressing plates (602) which are uniformly distributed along the circumferential direction of the rotating cylinder, the pressing plates (602) are in one-to-one correspondence with the blades (4), the pressing and attaching assembly (61) is arranged on the side wall, close to the blades (4), of the pressing plates (602), and a connecting ring (604) is sleeved on the outer wall of the rotating cylinder (601) in a rotating mode;

The cooperation locking group (63) comprises an annular groove (630) formed in the inner wall of the rotary cylinder (601), an annular sliding groove (631) is formed in the side wall of the sleeve (62), a clamping ring (632) sliding along the axial direction of the sleeve (62) is connected in the annular sliding groove (631), the vertical section of the clamping ring (632) is of an L-shaped structure, the clamping ring (632) is connected with the annular groove (630) through a reset spring (633), inserting grooves (634) which are uniformly distributed along the circumferential direction of the clamping ring are formed in the side wall of the annular groove (630), inserting blocks (635) which correspond to the inserting grooves (634) one by one are arranged on the clamping ring (632), an abutting ring (636) is arranged on the vertical end face of the clamping ring (632), inclined planes are formed in the inner wall and the outer wall of one end, far away from the clamping ring (632), of the connecting ring (604) and the annular groove (630) are jointly provided with an inserting driving assembly which pushes the abutting ring (636) and the clamping ring (632) to drive the inserting blocks (635) to be inserted into the inserting grooves (634);

The plug-in driving assembly comprises an annular through groove (640) which is formed in the side wall of an annular groove (630) and divides a rotary drum (601) into two sections along the axial direction of the annular through groove, a pull rod (641) which slides up and down is connected to a connecting ring (604), a semi-annular frame (642) is arranged after the pull rod (641) penetrates through the annular through groove (640) and enters the annular groove (630), pushing rods (643) are arranged at the upper end and the lower end of the semi-annular frame (642), the pushing rods (643) located at the upper side are in abutting contact with inclined surfaces of the outer walls of the pushing rings (636), and the pushing rods (643) located at the lower side are in abutting contact with inclined surfaces of the inner walls of the pushing rings (636).

2. The wind turbine component mounting strength detection device according to claim 1, wherein: the detection driving mechanism (7) comprises a plurality of connecting columns (70) which are arranged along the circumference of the connecting rings (604) and are arranged at one ends of the blades (4) far away from the connecting rings (604), the supplementing plates (71) are fixedly arranged at one ends of the connecting columns (70) far away from the connecting rings (604), a movable shaft (72) is fixedly arranged between the two supplementing plates (71), the movable shaft (72) penetrates through the rotating shaft (3) and is connected with the rotating shaft (3) through a linear bearing, a hydraulic cylinder (74) is arranged on the detection table (1) through a fixing frame (73), and the telescopic end of the hydraulic cylinder (74) is connected with one of the supplementing plates (71).

3. The wind turbine component mounting strength detection device according to claim 2, wherein: the horizontal segment top of test bench (1) has seted up and has accomodate the groove, accomodates inslot connection and has upper and lower gliding lifter plate (10), and lifter plate (10) top sliding connection has slider (11), is connected with slider (11) after the lower extreme penetration go-between (604) of pull rod (641).

4. The wind turbine component mounting strength detection device according to claim 1, wherein: the abutting and attaching assembly (61) is a 匚 -shaped clamping strip with an opening facing the blade (4), and the inner wall of the 匚 -shaped clamping strip is matched with the corresponding side wall of the blade (4).

5. The wind turbine component mounting strength detection device according to claim 1, wherein: the rotary driving group (5) comprises a gear ring (50) fixedly sleeved on the rotary shaft (3), a driving shaft (51) is rotatably connected to one of the supporting frames (2), and a gear (52) meshed with the gear ring (50) is fixedly sleeved on the driving shaft (51).

6. The wind turbine component mounting strength detection device according to claim 1, wherein: the end face, close to the blade (4), of the connecting ring (604) is rotationally connected with a rotating ring (650), and a sloping plate (651) is arranged between the end face, far away from the blade (4), of the pressing plate (602) and the rotating ring (650).

7. The wind turbine component mounting strength detection device according to claim 1, wherein: a triangular bracket (20) is arranged on the lower end face of one end of the support frame (2) far away from the vertical section of the detection table (1).