阅读说明：本技术 一种海上风力发电机底座的加工装置及加工方法 (Machining device and machining method for offshore wind turbine base ) 是由 傅慧 赵可亮 于 2021-11-08 设计创作，主要内容包括：本发明涉及海洋电力技术领域,且公开了一种海上风力发电机底座的加工装置及加工方法,包括加工台,所述加工台的顶部开设有导轨,所述导轨的内部滑动连接有定位滑块,所述定位滑块的顶端固定连接有控制器,所述控制器的侧壁固定连接有连杆,所述连杆的另一端固定连接有液压筒,所述液压筒的底壁滑动连接有冲头。本发明通过底座本体的底壁与定位块的接触实现第一弹簧的压缩进而实现定位块的滑动,同时通过定位块的底壁与检测板之间的配合设置实现对底座本体的夹持固定,显著提高了加工过程中的稳定性,同时通过冲压过程中检测板与压电块之间的配合设置实现对冲压区域的倾斜度检测,增强底座本体的稳定性,进而增强了风力发电机的稳定性。(The invention relates to the technical field of ocean power, and discloses a processing device and a processing method for an offshore wind turbine base. The base body is provided with a base body, a detection plate is arranged on the base body, the bottom wall of the base body is in contact with the detection plate, the detection plate is arranged on the base body, the base body is clamped and fixed through the bottom wall of the base body, and the detection plate is arranged on the base body.)

1. A processingequipment of offshore wind turbine base, includes processing platform (1), its characterized in that: the top of the processing table (1) is provided with a guide rail (2), the inside of the guide rail (2) is connected with a positioning slide block (3) in a sliding manner, the top end of the positioning slide block (3) is fixedly connected with a controller (4), the side wall of the controller (4) is fixedly connected with a connecting rod (5), the other end of the connecting rod (5) is fixedly connected with a hydraulic cylinder (6), the bottom wall of the hydraulic cylinder (6) is connected with a punch (7) in a sliding manner, the top wall of the processing table (1) is provided with a processing groove (8), the processing groove (8) is positioned on the inner side of the guide rail (2), the processing groove (8) is rectangular, a base body (9) is arranged inside the processing groove (8), and a positioning mechanism is arranged inside the processing groove (8);

positioning mechanism is including offering constant head tank (10) at processing groove (8) lateral wall, the top of constant head tank (10) is equipped with driving sleeve (101), the inside sliding connection of driving sleeve (101) has locating piece (11), the first spring of dorsal part fixedly connected with (13) of locating piece (11), the other end fixed connection of first spring (13) is on the inner wall of driving sleeve (101), the inboard of constant head tank (10) is equipped with actuating mechanism.

2. The processing device of offshore wind turbine foundation as claimed in claim 1, wherein: the driving mechanism comprises sliding chutes (12) arranged on the left side wall and the right side wall of the positioning groove (10), and the inner side walls of the sliding chutes (12) are connected with two first electromagnets (121) in a sliding manner;

the driving mechanism further comprises a sleeve (14) fixedly connected to the bottom wall of the driving sleeve (101), an electromagnetic correction mechanism is arranged inside the sleeve (14), a detection plate (102) is arranged at the bottom of the sleeve (14), two piezoelectric blocks (15) are fixedly connected to the top wall of the detection plate (102), and the two piezoelectric blocks (15) are located at the bottom of the base body (9).

3. The processing device of offshore wind turbine foundation as claimed in claim 1, wherein: the electromagnetic correction mechanism comprises a limiting rod (141) which is connected to the bottom of the sleeve (14) in a sliding mode, a permanent magnet (142) is fixedly connected to the bottom of the limiting rod (141), the other end of the permanent magnet (142) is fixedly connected to the detection plate (102), a second spring (143) is fixedly connected to the top end of the limiting rod (141), and a second electromagnet (144) is fixedly connected to the other end of the second spring (143).

4. A processing device of offshore wind turbine foundation according to claim 3, characterized in that: the second electromagnet (144) is positioned on the inner top wall of the sleeve (14), and the second electromagnet (144) and the permanent magnet (142) have the same magnetism.

5. The processing device of offshore wind turbine foundation as claimed in claim 1, wherein: set up three groups along the horizontal equidistant setting of drive sleeve (101) in locating piece (11), the roof of locating piece (11) and the one side that is close to base body (9) set up to the wedge face.

6. The processing device of offshore wind turbine foundation as claimed in claim 2, wherein: the thickness of the first electromagnet (121) is smaller than the distance value between the sliding groove (12) and the driving sleeve (101), and the surface of the first electromagnet (121) is made of smooth wear-resistant materials.

7. The processing device of offshore wind turbine foundation as claimed in claim 1, wherein: the bottom of the processing tank (8) is fixedly connected with a supporting plate (92), and the supporting plate (92) is positioned at the bottom of the base body (9).

8. The processing device of offshore wind turbine foundation as claimed in claim 1, wherein: the supporting plate (92) is provided with a through hole (93), the diameter value of the through hole (93) is larger than that of the screw hole (91), the position of the through hole (93) corresponds to that of the screw hole (91), and the center of the through hole (93) and the center of the screw hole (91) are positioned on the same straight line.

9. A processing method of an offshore wind turbine base comprises the following steps:

s1, placing the base body (9) to be processed in the processing groove (8), compressing the first spring (13) through the extrusion contact of the side wall of the base body (9) and the positioning block (11), and when the bottom wall of the base body (9) moves to the detection plate (102), restoring the original length of the first spring (13) to realize the clamping and positioning of the bottom wall of the positioning block (11) and the detection plate (102) to the base body (9);

s2, the controller (4) is started to control the hydraulic cylinder (6) to drive the punch (7) to move downwards for punching, and the piezoelectric current of the piezoelectric block (15) on one side of the base body (9) is recorded according to the punching acting force in the punching process to detect the inclination of the base body (9);

s3, controlling the second electromagnet (144) on the side, which is smaller in piezoelectric current and detected by the piezoelectric block (15), to close the first electromagnet (121), so that the current flowing through the second electromagnet (144) is reduced, further compressing the second spring (143), enabling the limiting rod (141) to slide along the inside of the sleeve (14), driving the driving sleeve (101) to slide along the inside of the sliding groove (12), and realizing inclination correction of the base body (9).

Technical Field

The invention relates to the technical field of ocean power, in particular to a processing device and a processing method for an offshore wind turbine base.

Background

The offshore wind driven generator has high requirements on the stability of a generator base in the building process, the weight of the generator is required to be borne, the impact of sea waves is required to be borne, the processing of the base has very strict requirements for ensuring the stability of the generator base, the influence of sea water impact force and sea water corrosion is eliminated, and the precision and various stability parameters of the processing process of the base directly influence the service life of the offshore wind driven generator.

The existing offshore wind turbine base processing process has the following technical defects: firstly, because the base is huge in size, the steel plate on one side stamped by the base is easy to deform in the base punching process, so that the flatness of the bottom wall contact surface of the base is influenced, and the working stability of the wind driven generator is further influenced; secondly, after the base is deformed by stamping in the machining process, the prior art cannot realize timely correction, and when the punching is continued, the screw hole stamping is inclined, so that the accuracy of the hole opening of the screw hole of the base is directly influenced, and the stability of the base of the wind driven generator is influenced.

Disclosure of Invention

Aiming at the defects of the existing offshore wind turbine base processing device in the background technology in the using process, the invention provides the offshore wind turbine base processing device and the offshore wind turbine base processing method, which have the advantage of high stability and solve the technical problems in the background technology.

The invention provides the following technical scheme: a machining device and a machining method for an offshore wind turbine base comprise a machining table, wherein a guide rail is arranged at the top of the machining table, a positioning slide block is connected inside the guide rail in a sliding mode, a controller is fixedly connected to the top end of the positioning slide block, a connecting rod is fixedly connected to the side wall of the controller, a hydraulic cylinder is fixedly connected to the other end of the connecting rod, a punch is connected to the bottom wall of the hydraulic cylinder in a sliding mode, a machining groove is formed in the top wall of the machining table and located on the inner side of the guide rail, the machining groove is rectangular, a base body is arranged inside the machining groove, and a positioning mechanism is arranged inside the machining groove;

positioning mechanism is including seting up the constant head tank at the processing groove lateral wall, the top of constant head tank is equipped with the driving sleeve, the inside sliding connection of driving sleeve has the locating piece, the first spring of dorsal part fixedly connected with of locating piece, the other end fixed connection of first spring is on the inner wall of driving sleeve, the inboard of constant head tank is equipped with actuating mechanism.

Preferably, the driving mechanism comprises sliding chutes arranged on the left side wall and the right side wall of the positioning groove, and the inner side walls of the sliding chutes are connected with two first electromagnets in a sliding manner;

the driving mechanism further comprises a sleeve fixedly connected to the bottom wall of the driving sleeve, an electromagnetic correction mechanism is arranged inside the sleeve, a detection plate is arranged at the bottom of the sleeve, two piezoelectric blocks are fixedly connected to the top wall of the detection plate, and the two piezoelectric blocks are located at the bottom of the base body.

Preferably, the electromagnetic correction mechanism comprises a limiting rod connected to the bottom of the sleeve in a sliding manner, a permanent magnet is fixedly connected to the bottom of the limiting rod, the other end of the permanent magnet is fixedly connected to the detection plate, a second spring is fixedly connected to the top end of the limiting rod, and a second electromagnet is fixedly connected to the other end of the second spring.

Preferably, the second electromagnet is positioned on the inner top wall of the sleeve, and the second electromagnet and the permanent magnet have the same magnetism.

Preferably, the locating piece sets up three groups along the horizontal equidistant setting of driving sleeve, the roof of locating piece and the one side that is close to base body set up to the wedge.

Preferably, the thickness of the second electromagnet is smaller than the distance between the sliding groove and the driving sleeve, and the surface of the second electromagnet is made of a smooth wear-resistant material.

Preferably, the bottom of the processing tank is fixedly connected with a support plate, and the support plate is positioned at the bottom of the base body.

Preferably, the supporting plate is provided with a through hole, the diameter value of the through hole is larger than that of the screw hole, the position of the through hole corresponds to that of the screw hole, and the center of the through hole and the center of the screw hole are positioned on the same straight line.

Preferably, the method for processing the offshore wind turbine base comprises the following steps:

s1, placing the base body to be processed in the processing groove, compressing the first spring through the extrusion contact of the side wall of the base body and the positioning block, and when the bottom wall of the base body moves to the detection plate, the first spring restores to the original length to realize the clamping and positioning of the bottom wall of the positioning block and the detection plate on the base body;

s2, starting a controller to control a hydraulic cylinder to drive a punch to move downwards for punching, and recording piezoelectric current of a piezoelectric block on one side of the base body according to the acting force of punching to detect the inclination of the base body in the punching process;

s3, controlling the piezoelectric block to detect the second electromagnet on the side with smaller piezoelectric current, closing the first electromagnet, reducing the current flowing through the second electromagnet, compressing the second spring, sliding the limiting rod along the inside of the sleeve, driving the driving sleeve to slide along the inside of the sliding groove, and realizing the inclination correction of the base body.

The invention has the following beneficial effects:

1. the compression of the first spring is realized through the contact between the bottom wall of the base body and the positioning block, so that the sliding of the positioning block is realized, meanwhile, the clamping and fixing of the base body are realized through the matching arrangement between the bottom wall of the positioning block and the detection plate, the shaking of the base body in the machining process is reduced, and the stability in the machining process is obviously improved.

2. According to the invention, the base body to be punched is punched through the matching arrangement of the positioning slide block, the controller, the hydraulic cylinder and the punch, meanwhile, the inclination detection of a punching area is realized through the matching arrangement of the detection plate and the piezoelectric block in the punching process, the accurate processing in the hole punching process is realized, the processing precision is high, the stability of the base body is enhanced, and further, the stability of the wind driven generator is enhanced.

3. According to the invention, the gradient is accurately recorded by the size of the piezoelectric current of the stamping area generated by the detection mechanism, and the deformation area is timely corrected by the matching arrangement of the sleeve, the second spring, the second electromagnet and the permanent magnet, so that the processing precision is further enhanced, the stability of the base body is obviously improved, and further the stability of the wind driven generator is enhanced.

4. According to the invention, the driving sleeve is adsorbed and positioned by the magnetic adsorption effect of the first electromagnet, so that the shaking of the base body at the moment of processing and stamping is reduced, the stability of the base body is further enhanced, and the stability of the wind driven generator during working is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a part of a cross-sectional structure of a processing table according to the present invention;

FIG. 3 is a schematic view of a driving sleeve according to the present invention;

FIG. 4 is a schematic cross-sectional view of a driving sleeve according to the present invention;

FIG. 5 is a schematic view of the internal cross-sectional structure of the driving sleeve of the present invention;

FIG. 6 is a schematic view of the internal structure of the chute of the present invention;

fig. 7 is a schematic cross-sectional view of the interior of the sleeve of the present invention.

In the figure: 1. a processing table; 2. a guide rail; 3. positioning the sliding block; 4. a controller; 5. a connecting rod; 6. a hydraulic cylinder; 7. a punch; 8. processing a tank; 9. a base body; 91. a screw hole; 92. a support plate; 93. a through hole; 10. positioning a groove; 101. a drive sleeve; 102. detecting a plate; 11. positioning blocks; 12. a chute; 121. a first electromagnet; 13. a first spring; 14. a sleeve; 141. a limiting rod; 142. a permanent magnet; 143. a second spring; 144. a second electromagnet; 15. a piezoelectric stack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a machining device and a machining method for an offshore wind turbine base include a machining table 1, a guide rail 2 is arranged at the top of the machining table 1, a positioning slider 3 is slidably connected inside the guide rail 2, a controller 4 is fixedly connected to the top end of the positioning slider 3, a connecting rod 5 is fixedly connected to the side wall of the controller 4, a hydraulic cylinder 6 is fixedly connected to the other end of the connecting rod 5, a punch 7 is slidably connected to the bottom wall of the hydraulic cylinder 6, a machining groove 8 is arranged on the top wall of the machining table 1, the machining groove 8 is located on the inner side of the guide rail 2, the machining groove 8 is rectangular, a base body 9 is arranged inside the machining groove 8, and a positioning mechanism is arranged inside the machining groove 8;

the positioning mechanism comprises a positioning groove 10 arranged on the side wall of the processing groove 8, a driving sleeve 101 is arranged at the top of the positioning groove 10, a positioning block 11 is connected inside the driving sleeve 101 in a sliding manner, a first spring 13 is fixedly connected to the back side of the positioning block 11, the other end of the first spring 13 is fixedly connected to the inner wall of the driving sleeve 101, the base body 9 to be processed is placed inside the processing groove 8, the first spring 13 is compressed through the extrusion contact between the side wall of the base body 9 and the positioning block 11, when the bottom wall of the base body 9 moves onto the detection plate 102, the first spring 13 recovers to the original length, the clamping and positioning of the bottom wall of the positioning block 11 and the detection plate 102 on the base body 9 are realized, the compression of the first spring 13 is realized through the contact between the bottom wall of the base body 9 and the positioning block 11, the sliding of the positioning block 11 is realized, and the clamping and the fixing of the base body 9 is realized through the matching arrangement between the bottom wall of the positioning block 11 and the detection plate 102, the rocking of base body 9 in the course of working has been reduced, is showing the stability that has improved in the course of working, and the inboard of constant head tank 10 is equipped with actuating mechanism.

The driving mechanism comprises sliding chutes 12 arranged on the left side wall and the right side wall of the positioning groove 10, the inner side walls of the sliding chutes 12 are connected with two first electromagnets 121 in a sliding manner, the driving sleeve 101 is adsorbed and positioned through the magnetic adsorption effect of the first electromagnets 121, the shaking of the base body 9 at the moment of processing and stamping is reduced, the stability of the base body 9 is further enhanced, and the stability of the wind driven generator during working is improved;

the driving mechanism further comprises a sleeve 14 fixedly connected to the bottom wall of the driving sleeve 101, an electromagnetic correction mechanism is arranged inside the sleeve 14, a detection plate 102 is arranged at the bottom of the sleeve 14, two piezoelectric blocks 15 are fixedly connected to the top wall of the detection plate 102, the two piezoelectric blocks 15 are located at the bottom of the base body 9, then the controller 4 is started to control the hydraulic cylinder 6 to drive the punch 7 to move downwards for punching, the piezoelectric blocks 15 on one side of the base body 9 are recorded according to the stamping action force in the punching process, piezoelectric current is generated by the piezoelectric blocks 15 on one side of stamping, when the piezoelectric current value on one side is larger than that on the other side, the base body 9 on the side is larger in action force, deformation and inclination occur, the piezoelectric current value at the moment indicates the deformation amount of the stamping area, and therefore the accurate value of the inclination is achieved.

The electromagnetic correction mechanism comprises a limiting rod 141 connected to the bottom of the sleeve 14 in a sliding manner, a permanent magnet 142 is fixedly connected to the bottom of the limiting rod 141, the other end of the permanent magnet 142 is fixedly connected to the detection plate 102, a second spring 143 is fixedly connected to the top end of the limiting rod 141, a second electromagnet 144 is fixedly connected to the other end of the second spring 143, the second electromagnet 144 controls the side, with smaller piezoelectric current, detected by the piezoelectric block 15, to close the first electromagnet 121, so that the driving sleeve 101 can slide along the inside of the sliding groove 12, the controller 4 is operated to reduce the current flowing through the second electromagnet 144, so that the second spring 143 is compressed, the limiting rod 141 slides along the inside of the sleeve 14, the driving sleeve 101 is driven to slide along the inside of the sliding groove 12, the base body 9 on the corresponding side is inclined, and the punch 7 always keeps a vertical direction to penetrate through the bottom wall of the base body 9 in the punching process, stability in the base body 9 course of working has been improved, so far realize base body 9's slope correction, the accurate record to the gradient is realized to the size of the regional piezoelectricity electric current of punching press that produces through detection mechanism, set up the timely correction of realization to deformation region through the cooperation between sleeve 14, second spring 143, second electro-magnet 144, the permanent magnet 142 simultaneously, further strengthened the machining precision, showing the stability that has improved base body 9, and then reinforcing aerogenerator's stability.

The second electromagnet 144 is located on the inner top wall of the sleeve 14, the second electromagnet 144 and the permanent magnet 142 have the same magnetism, stable support for the driving sleeve 101 is achieved under the magnetic repulsion effect of the second electromagnet 144 and the permanent magnet 142, and when the current of the second electromagnet 144 is reduced, downward movement of the driving sleeve 101 can be achieved, and therefore inclination correction is achieved.

Locating piece 11 sets up three groups along the horizontal equidistant setting of driving sleeve 101, and the stable centre gripping of base body 9 can be realized to driving sleeve 101 that three equidistant settings of group support, and the roof of locating piece 11 and the one side that is close to base body 9 set up to the wedge face, and base body 9's the moving down of being convenient for is set up to the wedge face, and then makes inside locating piece 11 faster slip to driving sleeve 101.

The thickness of first electro-magnet 121 is less than the interval value of spout 12 and driving sleeve 101, ensures that first electro-magnet 121 can adsorb the centre gripping to driving sleeve 101 for base body 9 corrects the stability of in-process and moves down, and the surface of first electro-magnet 121 sets up to smooth wear-resisting material, reduces the wearing and tearing of base body 9 driving sleeve 101 slip in-process.

The bottom of the processing tank 8 is fixedly connected with a supporting plate 92, and the supporting plate 92 is positioned at the bottom of the base body 9 to support the base body 9 to be processed.

The through hole 93 has been seted up on the backup pad 92, and the diameter value of through hole 93 is greater than the diameter value of screw 91, and the position and the screw 91 of through hole 93 correspond each other, and the center of through hole 93 is in same straight line with the center of screw 91, ensures that drift 7 moves down the punching press and runs through to the diapire of base body 9, realizes running through the perforation.

A processing method of an offshore wind turbine base comprises the following steps:

s1, placing the base body 9 to be processed in the processing tank 8, compressing the first spring 13 through the extrusion contact between the side wall of the base body 9 and the positioning block 11, and when the bottom wall of the base body 9 moves to the detection plate 102, the first spring 13 recovers to the original length, so that the clamping and positioning of the bottom wall of the positioning block 11 and the detection plate 102 on the base body 9 are realized;

s2, the controller 4 is started to control the hydraulic cylinder 6 to drive the punch 7 to move downwards for punching, and the piezoelectric current of the piezoelectric block 15 on one side of the base body 9 is recorded according to the punching acting force in the punching process to detect the inclination of the base body 9;

s3, controlling the second electromagnet 144 on the side where the piezoelectric current detected by the piezoelectric block 15 is smaller, closing the first electromagnet 121, so as to reduce the current flowing through the second electromagnet 144, further compressing the second spring 143, so that the limiting rod 141 slides along the inside of the sleeve 14, driving the driving sleeve 101 to slide along the inside of the sliding groove 12, and thus implementing the inclination correction of the base body 9.

The use method (working principle) of the invention is as follows:

the base body 9 to be processed is placed in the processing groove 8, the first spring 13 is compressed through the extrusion contact between the side wall of the base body 9 and the positioning block 11, when the bottom wall of the base body 9 moves onto the detection plate 102, the first spring 13 recovers to the original length, and the clamping and positioning of the bottom wall of the positioning block 11 and the detection plate 102 on the base body 9 are realized;

then, the controller 4 is started to control the hydraulic cylinder 6 to drive the punch 7 to move downwards for punching, the piezoelectric block 15 on one side of the base body 9 is recorded according to the punching acting force in the punching process, so that the piezoelectric block 15 on the punched side generates piezoelectric current, when the piezoelectric current value on one side is larger than that on the other side, the base body 9 on the punched side is indicated to be subjected to larger acting force, deformation inclination occurs, the piezoelectric current value at the moment indicates the deformation amount of a punching area, and therefore the accurate value of the inclination is achieved;

the tilt correction process is as follows: the second electromagnet 144 of the smaller side of the piezoelectric current detected by the control piezoelectric block 15, close the first electromagnet 121, make the driving sleeve 101 slide along the inside of the sliding groove 12, the operation controller 4 makes the current flowing through the second electromagnet 144 reduce, and further make the second spring 143 compress, make the limiting rod 141 slide along the inside of the sleeve 14, drive the driving sleeve 101 slide along the inside of the sliding groove 12, make the base body 9 of the corresponding side incline, make the punch 7 punch the in-process, keep the vertical direction to pass through the bottom wall of the base body 9 all the time, the stability in the processing process of the base body 9 is improved, so far, the inclination correction of the base body 9 is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.