Automatic precision machining device and method for doubly-fed cabin generator component

Abstract

The invention relates to the technical field of machining, in particular to a doubly-fed cabin generator component automatic precision machining device which comprises a lifting part arranged on a base plane, two L-shaped loading plates mounted on the lifting part and two sets of tipping parts mounted on the two L-shaped loading plates correspondingly. The two sets of tipping parts are arranged on the base plane, the two sets of pressing and fixing mechanisms are arranged on the side faces of the two sets of tipping parts correspondingly, the two sets of pressing and fixing mechanisms are arranged oppositely, the balance weight base is arranged on the base plane, the supporting table is vertically installed on the balance weight base, and the equal-distance punching assembly is placed on the supporting table. Introduction of accumulative errors and errors caused by manual multi-time clamping, adjustment and calibration are effectively avoided, the machining time and cost are reduced, the machining difficulty is reduced through appropriate auxiliary means, the machining precision is comprehensively enhanced, the machining precision of the base serving as a key component of the doubly-fed generator is improved, and the machining quality is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of machining, and more particularly, to an automated precision machining device for a doubly-fed nacelle generator component. Background Art

[0002] With the transformation of the global energy structure and the widespread application of renewable energy, wind power generation, as a clean and renewable energy form, has developed rapidly. As one of the core components of a wind turbine generator set, the performance of a doubly-fed generator directly affects the efficiency and stability of wind power generation. The nacelle on a wind turbine generator set houses the key equipment of the wind turbine generator, including a gearbox, a generator, etc., and maintenance personnel can enter the nacelle through the wind turbine generator tower.

[0003] A traditional motor usually consists of two parts: a rotor and a stator, while a doubly-fed motor consists of a rotor, a stator, a rotor winding, a core, etc. It adopts a doubly-fed structure, dividing the motor into inner and outer parts that are respectively connected to two windings, enabling the motor to have better torque and control performance, improved electromagnetic performance, higher efficiency and reliability. A doubly-fed generator can capture wind energy by adjusting the rotor speed and optimize the power output through the control of an inverter, thereby maintaining good output performance at different wind speeds, achieving variable-speed constant-frequency power generation and flexible power regulation, enabling the wind turbine generator to maintain a stable frequency output at different wind speeds, and improving the adaptability and response speed of the wind turbine unit. Therefore, due to its unique advantages, the doubly-fed generator is increasingly widely used in wind turbine generators.

[0004] During the manufacturing process of a doubly-fed generator, the base, as one of the key components, plays a crucial role. The base is the basic support structure of the doubly-fed generator, providing a solid support point for the stable installation of the generator. The base prevents the generator from shifting or tilting due to factors such as vibration and wind force during operation, thus ensuring the stable operation of the entire power generation system. The base not only bears the weight of the generator itself but also carries external loads such as torque and thrust from the wind turbine rotor. It effectively transfers these loads to the ground or the tower, and at the same time disperses stress through a reasonable structural design to prevent damage caused by local stress concentration, etc. Therefore, it is important to ensure that the size and shape of the base meet the design requirements. However, traditional machining methods have some limitations, such as low machining efficiency, poor quality consistency, and high labor intensity of the operating workers. In addition, due to the special nature of the doubly-fed generator, such as the need to maintain a stable power output under variable-speed conditions, there are more stringent requirements for the machining accuracy of the base.

[0005] In traditional processing methods, multiple clampings may be required to complete the entire processing process. This not only increases the processing time and cost, but also multiple clampings may introduce cumulative errors, resulting in a decrease in the accuracy of the final product. At the same time, for large equipment such as doubly-fed generators, manual adjustment and calibration are also very time-consuming and error-prone processes. In addition, the base has a complex shape, including multiple curved surfaces and hole systems, which increases the processing difficulty and is more likely to cause deviations in processing accuracy. Summary of the Invention

[0006] The object of the present invention is to provide an automated precision processing device for doubly-fed nacelle generator components to solve the above problems.

[0007] To achieve the above object, the present invention provides an automated precision processing device for doubly-fed nacelle generator components, including: a lifting and placing part arranged on a base surface, two L-shaped load plates installed on the lifting and placing part, two groups of tilting parts respectively installed on the two L-shaped load plates, two groups of pressing and fixing mechanisms respectively arranged on the sides of the two groups of tilting parts, and the two groups of pressing and fixing mechanisms are arranged facing each other, a counterweight base arranged on the base surface, a support platform vertically installed on the counterweight base, and an equidistant punching component placed on the support platform;

[0008] The two groups of tilting parts respectively support the two ends of the base, where:

[0009] The lifting and placing part is adapted to form a unilateral circular motion trajectory to lift or lower one end of the base;

[0010] The two groups of tilting parts are driven to be able to synchronously perform local two-way rotation to make the base on them tilt forward or backward;

[0011] The two groups of pressing and fixing mechanisms are driven to be able to successively perform vertical and lateral pressing on the two ends of the base to achieve double-effect fixation of the base;

[0012] The equidistant punching component is adapted to accurately control the gap between adjacent holes.

[0013] Further, the tilting part includes a middle support plate arm located above the L-shaped load plate, an arc-shaped rack and a connecting support member respectively and fixedly installed on both sides of the middle support plate arm, an arc-shaped open-bottom pier and a motor installed on the L-shaped load plate, and a gear installed on the output shaft of the motor;

[0014] The arc-shaped rack has an opening upward, and the gear meshes with the arc-shaped rack;

[0015] The connecting support member is movably installed in the arc-shaped open-bottom pier, where:

[0016] The middle support plate arm is adapted to fit and support the base.

[0017] Further, the pressing and fixing mechanism includes a movable platform connected to the outer side surface of the middle support plate arm, a first hydraulic cylinder vertically arranged at the tail of the movable platform, two vertical plates correspondingly installed on the movable platform and in front of the first hydraulic cylinder, a first movable shaft rotatably installed between the tops of the two vertical plates, a rotary pressing arm installed on the first movable shaft, and a first pressing member connected to the end of the rotary pressing arm;

[0018] The output end of the first hydraulic cylinder is hinged to the tail of the rotary pressing arm;

[0019] The bottom surface of the first pressing member is arc-shaped.

[0020] Further, the pressing and fixing mechanism further includes a rectangular sleeve plate installed on the rotary pressing arm and directly above the first pressing member, two side pressing arms slidably inserted into the rectangular sleeve plate in a fitting manner, two second pressing members respectively connected to the ends of the two side pressing arms, a second hydraulic cylinder arranged on the top surface of the rotary pressing arm, and a pressure discharging hammer member connected to the output end of the second hydraulic cylinder;

[0021] The side surfaces of the two second pressing members are arc-shaped;

[0022] The corners of the two side pressing arms on the side opposite to the pressure discharging hammer member are all arc-shaped;

[0023] A through groove is formed on one side of the rectangular sleeve plate facing the pressure discharging hammer member, where:

[0024] The through groove on the rectangular sleeve plate is adapted to allow the pressure discharging hammer member to enter and exit.

[0025] Further, the lifting and placing part includes a U-shaped seat and a cushion plate arranged at intervals on the base surface, an electric jack installed on the cushion plate, a first transition mounting member hinged to the output end of the electric jack, a second movable shaft rotatably installed in the U-shaped seat, and a second transition mounting member connected to the second movable shaft;

[0026] The two L-shaped load plates are respectively arranged on the first transition mounting member and the second transition mounting member.

[0027] Further, the equidistant punching assembly includes a first installation rear seat placed on the support platform, a punching tool arranged in the first installation rear seat, a distance control rod with one end connected to the middle part of the side surface of the first installation rear seat, a second installation rear seat connected to the other end of the distance control rod, and a plug rod connected to the second installation rear seat;

[0028] The plug rod is arranged in the same direction as the punching tool.

[0029] Further, the movable platform includes an inner flat plate fixedly connected to the outer side surface of the middle support plate arm, an outer plate sleeved on the inner flat plate, and a plurality of locking bolts helically installed on the side surface of the outer plate, and the plurality of locking bolts are all screwed into the inner flat plate;

[0030] The first hydraulic cylinder and the two vertical plates are located on the outer plate.

[0031] Further, the tilting part further includes two inner injection grooves opened on the bottom pier of the arc-shaped opening;

[0032] The two inner injection grooves are respectively attached to both sides of the connecting support member.

[0033] According to the second aspect of the present invention, a method for using an automated precision machining device for a doubly-fed nacelle generator component is provided:

[0034] S1: Place the base to be machined on the two middle support plate arms with both ends as the reference. Then, pull the outer plate forward until it completely sleeves the inner flat plate, and then tighten a plurality of locking bolts to prevent the outer plate from moving;

[0035] S2: Drive the first hydraulic cylinder to continuously push up the tail of the rotating pressure arm, so that it rotates around the center of the first movable shaft until the first pressing member at the end of the rotating pressure arm tightly presses on the base, and then stop driving the first hydraulic cylinder. Then, drive the second hydraulic cylinder to push the pressure discharging hammer member forward into the rectangular sleeve plate, and gradually squeeze the two side pressure arms along the rectangular sleeve plate to both sides by the entry of the pressure discharging hammer member until the second pressing members at the ends of the two side pressure arms tightly press the base;

[0036] S3: Synchronously drive the two motors to drive the corresponding gears to rotate, so that the two gears respectively engage with the two arc-shaped racks to drive the connecting support member to move in the inner arc direction of the arc-shaped opening bottom pier, driving the base to tilt forward or backward. In addition, the electric jack can be driven and supported by the in-situ rotation of the U-shaped seat and the second movable shaft on the other side to push up or pull down the L-shaped load plate on one side of the electric jack, lifting or lowering one end of the base, and diversely changing the angular state of the base to cooperate with the corresponding machining steps;

[0037] S4: When continuously punching holes, use a punching tool to process the first hole. After the first hole is processed, insert the insertion rod into the hole. Then, align the first installation rear seat and the punching tool to process the next hole. After the second hole is processed, pull out the insertion rod and insert it into the second hole, and so on to process the continuously arranged holes.

[0038] Compared with the prior art, the present invention has the following beneficial effects:

[0039] 1. The automatic precision machining device for the double-fed nacelle generator component can generate a strong and stable vertical force through the lifting and lowering part, so as to lift or lower one end of the base, and then achieve the purpose of automatically changing the inclination of the base in the left-right direction without disassembling the base;

[0040] 2. The automatic precision machining device for the double-fed nacelle generator component can drive the base to perform a partial circular motion through a series of transmissions by two tilting parts, so as to make the base tilt forward or backward, and then automatically change the inclination of the base in the front-back direction without disassembling the base;

[0041] 3. Both sets of pressing and fixing mechanisms of the automatic precision machining device for the double-fed nacelle generator component can generate vertical and lateral pressures and act on both ends of the base, so as to firmly fix the base on the two tilting parts, ensuring that the base can still remain stable and not shift even when undergoing the adjustment actions of the lifting and lowering part and the two tilting parts, and then avoiding the need for frequent manual adjustment and calibration of the position of the base;

[0042] 4. The automatic precision machining device for the double-fed nacelle generator component can accurately position the machining position of the next hole based on the position of the previous formed hole when machining a series of holes arranged continuously on the base through the equidistant hole punching component, so as to automatically control the hole pitch and make it consistent during the continuous hole punching process;

[0043] 5. The automatic precision machining device for the double-fed nacelle generator component effectively abandons the mode in the traditional machining method that requires multiple clamping of the base to complete the entire machining process, and can perform the same effect of adjustment while the base remains clamped, so as to effectively avoid introducing cumulative errors and errors caused by manual multiple clamping, adjustment and calibration, reduce the machining time and cost, reduce the machining difficulty with appropriate auxiliary means, comprehensively enhance the machining precision, improve the machining precision of the base which is a key component of the double-fed generator, and ensure the machining quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The present invention will be further described below with reference to the drawings and embodiments.

[0045] Figure 1 The perspective view of the present invention is shown;

[0046] Figure 2 The first partial perspective view of the present invention is shown;

[0047] Figure 3 The second partial perspective view of the present invention is shown;

[0048] Figure 4 The third partial perspective view of the present invention is shown;

[0049] Figure 5 Shows a partial perspective view of the present invention in another state;

[0050] Figure 6 Shows a partial perspective view of the present invention from another angle;

[0051] Figure 7 Shows a partial perspective view of the present invention from yet another angle;

[0052] Figure 8 Shows the present invention Figure 2 An enlarged view of part A;

[0053] Figure 9 Shows the present invention Figure 6 An enlarged view of part B;

[0054] Figure 10 Shows the present invention Figure 7 An enlarged view of part C.

[0055] In the figures, the same reference numerals denote the same structural elements, where:

[0056] 1, base surface; 2, lifting and placing part; 21, U-shaped seat; 22, backing plate; 23, electric jack; 24, first transition mounting member; 25, second movable shaft; 26, second transition mounting member; 3, L-shaped load plate; 4, tilting part; 41, middle support plate arm; 42, arc-shaped rack; 43, connecting support member; 44, arc-shaped open-bottom pier; 45, motor; 46, gear; 47, inner injection groove; 5, pressing and fixing mechanism; 51, movable platform; 511, inner flat plate; 512, outer jacket plate; 513, locking bolt; 52, first hydraulic cylinder; 53, vertical plate; 54, first movable shaft; 55, rotating pressure arm; 56, first pressing member; 57, rectangular sleeve plate; 58, side pressure arm; 59, second pressing member; 591, second hydraulic cylinder; 592, pressure discharging hammer member; 6, counterweight base; 7, support platform; 8, equally spaced punching assembly; 81, first mounting rear seat; 82, punching tool; 83, distance control rod; 84, second mounting rear seat; 85, inserting rod; 9, base. Detailed Description of the Invention

[0057] Now, the present invention will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, and therefore only showing the components related to the present invention.

[0058] As Figures 1-10As shown in the figure, an automated precision machining device for a double-fed nacelle generator component includes: a lifting and placing part 2 arranged on a base surface 1, two L-shaped load plates 3 installed on the lifting and placing part 2, two groups of tilting parts 4 respectively installed on the two L-shaped load plates 3, two groups of pressing and fixing mechanisms 5 respectively arranged on the sides of the two groups of tilting parts 4, and the two groups of pressing and fixing mechanisms 5 are arranged facing each other, a counterweight base 6 arranged on the base surface 1, a support platform 7 vertically installed on the counterweight base 6, and an equidistant punching component 8 placed on the support platform 7;

[0059] The two groups of tilting parts 4 respectively support the two ends of a base 9, where:

[0060] The lifting and placing part 2 is adapted to form a unilateral circular motion trajectory to lift or lower one end of the base 9;

[0061] Drive the two groups of tilting parts 4 to be able to synchronously perform local two-way rotation to make the base 9 on them tilt forward or backward;

[0062] Drive the two groups of pressing and fixing mechanisms 5 to be able to successively press the two ends of the base 9 vertically and laterally to achieve double-effect fixation of the base 9;

[0063] The equidistant hole punching assembly 8 is suitable for accurately controlling the gap between adjacent holes. The automatic precision machining device for the double-fed nacelle generator component can generate a powerful and stable vertical force through the lifting and lowering part 2, so as to lift or lower one end of the base 9, and then achieve the purpose of automatically changing the inclination of the base 9 in the left-right direction without disassembling the base 9. Through the two tilting parts 4, a series of transmissions can be used to drive the base 9 to perform a partial circular motion, so that the base 9 tilts forward or backward, and then the inclination of the base 9 in the front-back direction can be automatically changed without disassembling the base 9. Both groups of clamping mechanisms 5 can generate vertical and lateral pressures and act on both ends of the base 9, so as to firmly fix the base 9 on the two tilting parts 4, ensuring that the base 9 can still remain stable and not shift even when undergoing the adjustment actions of the lifting and lowering part 2 and the two tilting parts 4, thereby avoiding the need to manually adjust and calibrate the position of the base 9 too frequently. When the equidistant hole punching assembly 8 is used for machining a series of holes arranged continuously on the base 9, it can accurately position the machining position of the next hole relying on the position of the previous formed hole, so as to automatically control the hole pitch and make it consistent during the continuous hole punching process. The automatic precision machining device for the double-fed nacelle generator component effectively abandons the traditional machining mode that requires multiple clamping of the base 9 to complete the entire machining process, and can perform the same effect of adjustment while the base 9 remains clamped, thereby effectively avoiding the introduction of cumulative errors and errors caused by manual multiple clamping, adjustment and calibration, reducing the machining time and cost, reducing the machining difficulty with appropriate auxiliary means, comprehensively enhancing the machining precision, improving the machining precision of the base 9 which is a key component of the double-fed generator, and ensuring the machining quality.

[0064] Optionally, the tilting part 4 includes a middle support plate arm 41 located above the L-shaped load plate 3, an arc-shaped rack 42 and a connecting member 43 respectively and fixedly installed on both sides of the middle support plate arm 41, an arc-shaped open-bottom pier 44 and a motor 45 installed on the L-shaped load plate 3, and a gear 46 installed on the output shaft of the motor 45;

[0065] The arc-shaped rack 42 has an upward opening, and the gear 46 meshes with the arc-shaped rack 42;

[0066] The connecting member 43 is movably installed in the arc-shaped open-bottom pier 44, wherein:

[0067] The middle support plate arm 41 is adapted to fit and support the base 9. When placing the base 9 of one of the double-fed generator components on the two middle support plate arms 41, so that the two middle support plate arms 41 hold the two ends of the base 9 in a fitting manner and fix the base 9 for processing, the two motors 45 on both sides can be synchronously driven to directly drive the gear 46 to rotate. Immediately, under the meshing transmission of the gear 46 and the arc-shaped rack 42, the arc-shaped rack 42, the middle support plate arm 41 and the connecting support member 43 move synchronously. The connecting support member 43 moves along its internal track in the arc-shaped opening bottom pier 44, so that the base 9 on the two middle support plate arms 41 performs a forward tilt or backward fall action, and then the angle adjustment in the front-back direction can be carried out on the base 9 without re-clamping the base 9 until the state of the base 9 reaches the optimal processing position (such as making a certain surface or part face the processing personnel for processing), realizing the automatic adjustment without disassembling the workpiece.

[0068] Optionally, the pressing mechanism 5 includes a movable platform 51 connected to the outer side surface of the middle support plate arm 41, a first hydraulic cylinder 52 vertically arranged at the tail of the movable platform 51, two vertical plates 53 correspondingly installed on the movable platform 51 and in front of the first hydraulic cylinder 52, a first movable shaft 54 rotatably installed between the tops of the two vertical plates 53, a rotating pressing arm 55 installed on the first movable shaft 54, and a first pressing member 56 connected to the end of the rotating pressing arm 55;

[0069] The output end of the first hydraulic cylinder 52 is hinged to the tail of the rotating pressing arm 55;

[0070] The bottom surface of the first pressing member 56 is arc-shaped. After placing the base 9 on the two middle support plate arms 41, the first hydraulic cylinder 52 is driven to push up the tail of the rotating pressing arm 55, and the end of the rotating pressing arm 55 moves downward under the rotation action of the first movable shaft 54 until the first pressing member 56 tightly presses on the base 9, so as to use the two groups of pressing mechanisms 5 to tightly press and fix the base 9 on the two middle support plate arms 41 below, indirectly realizing the clamping of the base 9 and ensuring the smooth progress of subsequent processing.

[0071] Optionally, the pressing mechanism 5 further includes a rectangular sleeve plate 57 installed on the rotating pressing arm 55 and directly above the first pressing member 56, two side pressing arms 58 slidably inserted into the rectangular sleeve plate 57 in a fitting manner, two second pressing members 59 respectively connected to the ends of the two side pressing arms 58, a second hydraulic cylinder 591 arranged on the top surface of the rotating pressing arm 55, and a pressure discharging hammer member 592 connected to the output end of the second hydraulic cylinder 591;

[0072] The sides of the two second pressing members 59 are arc-shaped, ensuring that the surfaces of the two second pressing members 59 and the first pressing member 56 in contact with the base 9 can fit together, ensuring the contact area between them to ensure the effect of pressing and fixing;

[0073] The corners of the two side pressing arms 58 on the side opposite to the row pressing hammer member 592 are both arc-shaped, so that the parts where the row pressing hammer member 592 starts to contact the two side pressing arms 58 are rounded arcs with chamfers, thus ensuring that the row pressing hammer member 592 can push the two side pressing arms 58 to both sides and enter them;

[0074] A through groove is formed on one side of the rectangular sleeve plate 57 facing the row pressing hammer member 592, where:

[0075] The through groove on the rectangular sleeve plate 57 is suitable for the row pressing hammer member 592 to enter and exit. In the initial state, the two side pressing arms 58 are centered and adhered to each other inside the rectangular sleeve plate 57. After the first pressing member 56 presses the base 9, the second hydraulic cylinder 591 is driven to continuously push the row pressing hammer member 592 forward. The row pressing hammer member 592 enters through the through groove on the rectangular sleeve plate 57 and contacts the two side pressing arms 58. As the row pressing hammer member 592 continues to feed, the two side pressing arms 58 are gradually pushed outward along the rectangular sleeve plate 57 until the two second pressing members 59 are tightly pressed on the base 9, and the base 9 is pressed and fixed again with lateral pressure. Cooperating with the vertical pressure of the first pressing member 56 effectively strengthens the fixing effect, thus ensuring that the base 9 is firmly fixed, ensuring that the base 9 can still remain stable and not shift even when undergoing the adjustment actions of the lifting and placing part 2 and the two groups of tilting parts 4, thereby avoiding the need for too frequent manual adjustment and calibration of the position of the base 9 and causing errors, and improving the processing precision of the base 9, which is a key component of the double-fed generator.

[0076] Optionally, the lifting and placing part 2 includes a U-shaped seat 21 and a cushion plate 22 spaced apart on the base surface 1, an electric jack 23 installed on the cushion plate 22, a first transition mounting member 24 hinged to the output end of the electric jack 23, a second movable shaft 25 rotatably installed in the U-shaped seat 21, and a second transition mounting member 26 connected to the second movable shaft 25;

[0077] The two L-shaped load plates 3 are respectively arranged on the first transition mounting member 24 and the second transition mounting member 26, ensuring a certain span between the two L-shaped load plates 3, so that the two middle support plate arms 41 can have sufficient spacing to support the base 9. During the processing, the electric jack 23 can be driven to drive the L-shaped load plate 3 connected thereto through the first transition mounting member 24, so that the end of the base 9 on this side is lifted upward or lowered, and the angle adjustment in the left-right direction can be carried out on the base 9 without re-clamping the base 9 until the base 9 reaches the optimal processing position, ensuring that the cooperation with the tilting part 4 can achieve automatic all-round adjustment without disassembling the workpiece, effectively abandoning the traditional processing mode in which the base 9 needs to be clamped multiple times to complete the entire processing process, and being able to carry out the same effect adjustment while the base 9 remains clamped, avoiding the introduction of cumulative errors and errors caused by manual multiple clamping, adjustment and calibration, improving the processing precision of the base 9 which is a key component of the doubly-fed generator, ensuring the processing quality, and reducing the processing time and cost.

[0078] Optionally, the equidistant punching assembly 8 includes a first installation rear seat 81 placed on the support platform 7, a punching tool 82 arranged in the first installation rear seat 81, a distance control rod 83 with one end connected to the middle part of the side surface of the first installation rear seat 81, a second installation rear seat 84 connected to the other end of the distance control rod 83, and a plug rod 85 connected to the second installation rear seat 84;

[0079] The plug rod 85 is arranged in the same direction as the punching tool 82. The distance control rod 83 is detachably installed with both the first installation rear seat 81 and the second installation rear seat 84, and can be quickly removed and replaced with a distance control rod 83 of other lengths to obtain different distance control effects. Moreover, the distance control rod 83 is movably connected to the first installation rear seat 81 so as to be able to push the first installation rear seat 81 forward to feed the punching tool 82 forward for hole processing. When continuous arranged holes need to be processed on the base 9, the punching tool 82 is used to complete the processing of the first hole at the corresponding position on the base 9. After the first hole is punched, the plug rod 85 with a matching thickness is inserted into the formed hole, and then the processing position of the next hole can be accurately determined by using the distance control rod 83. Then, only by aligning the punching tool 82 can the processing of the next hole be carried out, ensuring that continuous positioning can be quickly and automatically carried out, ensuring that the hole distance is well controlled and consistent, preventing the mutual distance between the finally punched continuous holes from being inconsistent due to manual control of the hole position and affecting the processing quality of the base 9, thereby reducing the processing difficulty with appropriate auxiliary means, comprehensively enhancing the processing precision, improving the processing precision of the base 9 which is a key component of the doubly-fed generator, and ensuring the processing quality.

[0080] Optionally, the movable platform 51 includes an inner flat plate 511 fixedly connected to the outer side surface of the middle support plate arm 41, an outer plate 512 sleeved on the inner flat plate 511, and a plurality of locking bolts 513 helically installed on the side surface of the outer plate 512, and a plurality of the locking bolts 513 are screwed into the inner flat plate 511;

[0081] The first hydraulic cylinder 52 and the two vertical plates 53 are located on the outer plate 512. When it is necessary to place the base 9 on the two middle support plate arms 41 or remove it after processing, the outer plate 512 is pulled backward, so as to drive the first pressing member 56, the rectangular sleeve plate 57, the two side pressing arms 58, etc. away from directly above the base 9 to prevent obstruction of the base 9. When it is necessary to fix the base 9, the outer plate 512 is used to completely cover the inner flat plate 511 and the plurality of locking bolts 513 are tightened to keep the outer plate 512 in a state of being attached to the middle support plate arm 41, ensuring that the first pressing member 56 and the two second pressing members 59 can all be in normal contact with the base 9 to fix it.

[0082] Optionally, the tilting part 4 further includes two inner injection grooves 47 opened on the arc-shaped opening bottom pier 44;

[0083] The two inner injection grooves 47 are respectively attached to both sides of the connecting member 43. Lubricating liquids such as lubricating oil can be injected through the two inner injection grooves 47 to ensure good lubrication between the arc-shaped opening bottom pier 44 and the connecting member 43, preventing negative effects such as difficult movement and severe wear of the connecting member 43 caused by excessive friction.

[0084] In addition, in another embodiment of the invention, a method for using the double-fed nacelle generator component automatic precision machining device is provided, including the following steps:

[0085] S1: Place the base 9 to be processed on the two middle support plate arms 41 with both ends as the reference. Then, pull the outer plate 512 forward until it completely covers the inner flat plate 511 and then tighten a plurality of locking bolts 513 to prevent the outer plate 512 from moving;

[0086] S2: Drive the first hydraulic cylinder 52 to continuously push the tail of the rotating pressure arm 55 upward, so that it rotates around the center of the first movable shaft 54 until the first pressing member 56 at the end of the rotating pressure arm 55 tightly presses on the base 9, and then stop driving the first hydraulic cylinder 52. Then, drive the second hydraulic cylinder 591 to push the pressure discharging hammer member 592 forward into the rectangular sleeve plate 57. By the entry of the pressure discharging hammer member 592, gradually squeeze the two side pressing arms 58 along the rectangular sleeve plate 57 to both sides until the second pressing members 59 at the ends of the two side pressing arms 58 tightly press the base 9;

[0087] S3: Synchronously drive the two motors 45 to drive the corresponding gears 46 to rotate, so as to cause the two gears 46 to engage and drive with the two arc-shaped racks 42 respectively, so as to cause the connecting support member 43 to move in the inner arc direction of the arc-shaped opening bottom pier 44, driving the base 9 to tilt forward or backward. In addition, the electric jack 23 can be driven and, with the support of the in-situ rotation of the U-shaped seat 21 and the second movable shaft 25 on the other side, the L-shaped load plate 3 on one side of the electric jack 23 can be jacked up or pulled down, lifting or lowering one end of the base 9, diversely changing the angular state of the base 9 to cooperate with the corresponding processing steps;

[0088] S4: When continuously punching holes, use the punching tool 82 to process the first hole. After the processing of the first hole is completed, insert the inserting rod 85 into the hole. Then, align the first installation rear seat 81 and the punching tool 82 to process the next hole. After the second hole is processed, pull out the inserting rod 85 and insert it into the second hole, and so on to process the continuously arranged holes.

[0089] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automated precision machining device for a double-fed nacelle generator component, characterized in that, Comprising: A lifting and placing part (2) arranged on a base surface (1), two L-shaped load plates (3) installed on the lifting and placing part (2), two groups of tilting parts (4) respectively installed on the two L-shaped load plates (3), two groups of pressing and fixing mechanisms (5) respectively arranged on the sides of the two groups of tilting parts (4), and the two groups of pressing and fixing mechanisms (5) are arranged facing each other, a counterweight base (6) arranged on the base surface (1), a support platform (7) vertically installed on the counterweight base (6), and an equidistant hole punching assembly (8) placed on the support platform (7); The two groups of tilting parts (4) respectively support the two ends of a base (9), wherein: The lifting and placing part (2) is adapted to form a unilateral circular motion trajectory to lift or lower one end of the base (9); Driving the two groups of tilting parts (4) can synchronously perform partial two-way rotation to make the base (9) thereon lean forward or backward; Driving the two groups of pressing and fixing mechanisms (5) can successively perform vertical and lateral pressing on the two ends of the base (9) to achieve double-effect fixation of the base (9); The equidistant hole punching assembly (8) is adapted to accurately control the gap between adjacent holes.

2. The automatic precision machining device for double-fed nacelle generator components according to claim 1, wherein The tilting part (4) includes a middle support plate arm (41) located above the L-shaped load plate (3), an arc-shaped rack (42) and a connecting support (43) respectively and fixedly installed on both sides of the middle support plate arm (41), an arc-shaped open-bottom pier (44) and a motor (45) installed on the L-shaped load plate (3), and a gear (46) installed on the output shaft of the motor (45); The arc-shaped rack (42) has an opening upward, and the gear (46) meshes with the arc-shaped rack (42); The connecting support (43) is movably installed in the arc-shaped open-bottom pier (44), wherein: The middle support plate arm (41) is adapted to fit and support the base (9).

3. The automatic precision machining device for double-fed nacelle generator components according to claim 2, wherein The pressing and fixing mechanism (5) includes a movable platform (51) connected to the outer side surface of the middle support plate arm (41), a first hydraulic cylinder (52) vertically arranged at the tail of the movable platform (51), two vertical plates (53) correspondingly installed on the movable platform (51) and in front of the first hydraulic cylinder (52), a first movable shaft (54) rotatably installed between the tops of the two vertical plates (53), a rotating pressing arm (55) installed on the first movable shaft (54), and a first pressing member (56) connected to the end of the rotating pressing arm (55); The output end of the first hydraulic cylinder (52) is hinged to the tail of the rotating pressing arm (55); The bottom surface of the first pressing member (56) is arc-shaped.

4. The automatic precision machining device for double-fed nacelle generator components according to claim 3, wherein The pressing and consolidating mechanism (5) further includes a rectangular sleeve plate (57) installed on the rotary pressing arm (55) and located directly above the first pressing member (56), two side pressing arms (58) slidably inserted into the rectangular sleeve plate (57) in a fitting manner, two second pressing members (59) respectively connected to the ends of the two side pressing arms (58), a second hydraulic cylinder (591) arranged on the top surface of the rotary pressing arm (55), and a pressure discharging hammer member (592) connected to the output end of the second hydraulic cylinder (591); The sides of the two second pressing members (59) are arc-shaped; The corners of the two side pressing arms (58) on the side opposite to the pressure discharging hammer member (592) are both arc-shaped; A through groove is formed on one side of the rectangular sleeve plate (57) facing the pressure discharging hammer member (592), where: The through groove on the rectangular sleeve plate (57) is adapted to allow the pressure discharging hammer member (592) to enter and exit.

5. The automatic precision machining device for double-fed nacelle generator components according to claim 4, characterized in that The lifting and placing part (2) includes a U-shaped seat (21) and a backing plate (22) arranged at intervals on the base surface (1), an electric jack (23) installed on the backing plate (22), a first transition mounting member (24) hinged to the output end of the electric jack (23), a second movable shaft (25) rotatably installed in the U-shaped seat (21), and a second transition mounting member (26) connected to the second movable shaft (25); The two L-shaped load plates (3) are respectively arranged on the first transition mounting member (24) and the second transition mounting member (26).

6. The automatic precision machining device for double-fed nacelle generator components according to claim 5, characterized in that The equidistant punching assembly (8) includes a first mounting rear seat (81) placed on the support platform (7), a punching tool (82) arranged in the first mounting rear seat (81), a distance control rod (83) with one end connected to the middle part of the side surface of the first mounting rear seat (81), a second mounting rear seat (84) connected to the other end of the distance control rod (83), and a plug rod (85) connected to the second mounting rear seat (84); The plug rod (85) is arranged in the same direction as the punching tool (82).

7. The automatic precision machining device for double-fed nacelle generator components according to claim 6, characterized in that The movable platform (51) includes an inner flat plate (511) fixedly connected to the outer side surface of the middle support plate arm (41), an outer sleeve plate (512) slidably sleeved on the inner flat plate (511), and a plurality of locking bolts (513) helically installed on the side surface of the outer sleeve plate (512), and the plurality of locking bolts (513) are all screwed into the inner flat plate (511); The first hydraulic cylinder (52) and the two vertical plates (53) are located on the outer sleeve plate (512).

8. The automatic precision machining device for double-fed nacelle generator components according to claim 7, characterized in that The tilting part (4) further includes two inner injection grooves (47) formed in the bottom pier (44) of the arc-shaped opening; The two inner injection grooves (47) are respectively attached to both sides of the connecting support (43).

9. The automated precision machining device for a doubly-fed nacelle generator component according to any one of claims 1-8, and its usage method is as follows: S1: Place the base (9) to be machined on two middle support plate arms (41) with both ends as a reference. Then, pull the outer jacket plate (512) forward until it completely covers the inner flat plate (511), and then tighten a number of locking bolts (513) to prevent the outer jacket plate (512) from moving; S2: Drive the first hydraulic cylinder (52) to continuously push the tail of the rotating pressure arm (55) upward, so that it rotates around the center of the first moving shaft (54) until the first pressing member (56) at the end of the rotating pressure arm (55) tightly presses on the base (9), and then stop driving the first hydraulic cylinder (52). Then, drive the second hydraulic cylinder (591) to push the pressure discharging hammer member (592) forward into the inside of the rectangular jacket plate (57), and use the entry of the pressure discharging hammer member (592) to gradually squeeze the two side pressure arms (58) along the rectangular jacket plate (57) to both sides until the second pressing members (59) at the ends of the two side pressure arms (58) tightly press the base (9); S3: Synchronously drive the two motors (45) to drive the corresponding gears (46) to rotate, so that the two gears (46) respectively engage and drive with the two arc-shaped racks (42), so as to promote the connecting support (43) to move in the inner arc direction of the arc-shaped opening bottom pier (44), drive the base (9) to tilt forward or backward. In addition, the electric jack (23) can be driven, and with the support of the in-situ rotation of the U-shaped seat (21) and the second moving shaft (25) on the other side, the L-shaped load plate (3) on one side of the electric jack (23) can be pushed upward or pulled downward, lift or lower one end of the base (9), and diversely change the angular state of the base (9) to cooperate with the corresponding machining steps; S4: When continuously drilling holes, use the drilling tool (82) to process the first hole. After the first hole is processed, insert the insertion rod (85) into the hole. Then, align the first installation rear seat (81) and the drilling tool (82) to process the next hole. After the second hole is processed, pull out the insertion rod (85) and insert it into the second hole, and so on to process the continuously arranged holes.

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