Positioning equipment for machining main frame of cabin chassis of wind driven generator

Abstract

The invention discloses positioning equipment for machining a main frame of a cabin chassis of a wind driven generator, and relates to the technical field of machining of accessories of the wind driven generator. The positioning equipment comprises a chassis, a bearing plate is arranged above the chassis, a rotating mechanism for driving the bearing plate to rotate is arranged on the chassis, and a hollow bearing table is arranged above the bearing plate; a plurality of parallel strip-shaped grooves are formed in an upper end plate of the hollow bearing table, conveying rollers are rotationally connected into the strip-shaped grooves, and a driving mechanism used for driving the conveying rollers to rotate is arranged on one side of the hollow bearing table. By means of the strip-shaped groove and the driving mechanism, the wind driven generator cabin chassis main rack can be conveyed during working, the wind driven generator cabin chassis main rack is conveyed to the machining position, and then the machine box rack can be fed and discharged conveniently.

Description

Technical Field

[0001] The invention relates to the technical field of wind turbine generator parts processing, in particular to a positioning device for processing a main frame of a wind turbine generator nacelle chassis. Background Art

[0002] Wind turbines are devices that convert wind energy into electrical energy. They are mainly composed of blades, generators, mechanical parts and electrical parts. According to the different rotating axes, wind turbines are mainly divided into two categories: horizontal axis wind turbines and vertical axis wind turbines. At present, horizontal axis wind turbines occupy the mainstream position in the market.

[0003] Public document CN118456073B discloses a large-size component machining positioning fixture, including a leveling mechanism and a clamping mechanism. The leveling mechanism can level the processing plate, and the clamping mechanism can position the two ends, both sides, and upper and lower sides of the processing plate. The fixture can position and fix some large mechanical parts.

[0004] The existing public technology uses a downward pressing method for fixing, which is only suitable for the processing of some parts with lower heights. In the process of processing the main frame of the wind turbine nacelle chassis, due to the large volume, heavy weight and large height dimension of the main frame of the wind turbine nacelle chassis, the existing positioning equipment is difficult to apply, and due to the heavy weight, it is very difficult to load and unload the main frame of the wind turbine nacelle chassis. At the same time, due to different models of wind turbines, the contour shapes of the main frame also vary greatly, and the existing positioning equipment is difficult to apply to the positioning of multiple models of frames.

[0005] In view of the above problems, we provide a positioning device for processing the main frame of the wind turbine nacelle chassis to solve the above-mentioned problems. Summary of the invention

[0006] The object of the present invention is to provide a device that can facilitate loading and unloading of a main frame device of a nacelle chassis of a wind turbine and can position main frames with different contour shapes, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A positioning device for processing a main frame of a chassis of a wind turbine nacelle, comprising a chassis, a bearing plate is arranged above the chassis, a rotating mechanism for driving the bearing plate to rotate is arranged on the chassis, a hollow bearing platform is arranged above the bearing plate, a plurality of strip grooves parallel to each other are opened on the upper end plate of the hollow bearing platform, conveying rollers are rotatably connected in the strip grooves, and a driving mechanism for driving the conveying rollers to rotate is arranged on one side of the hollow bearing platform;

[0009] A buffer mechanism is installed in the middle of one end of the upper end surface of the hollow bearing platform, and a plurality of side slide grooves are opened on both sides of the upper end plate of the hollow bearing platform, and positioning mechanisms are provided inside the side slide grooves. An air push mechanism for driving the positioning mechanism to move is provided between the bearing plate and the hollow bearing platform, and a pressing mechanism for applying pressure to the positioning mechanism is also provided between the bearing plate and the hollow bearing platform. A plurality of supporting mechanisms for supporting the hollow bearing platform are also provided on the bearing plate, and locking mechanisms for locking the position of the hollow bearing platform are also provided at both ends of the bearing plate.

[0010] As a further solution of the present invention: the rotating mechanism includes a rotating column, which is fixedly connected to a position in the middle of the upper end surface of the chassis, the upper end of the rotating column is rotatably connected to the supporting plate, the lower end surface of the supporting plate is fixedly connected to an annular bevel gear concentric with the rotating column, a second motor is installed on one side of the upper end surface of the chassis, a driving bevel gear is installed at the output end of the second motor, the driving bevel gear is meshed with the annular bevel gear, the upper end surface of the chassis is fixedly connected to an annular track, and support rollers matching the annular track are installed at the four corners of the lower end surface of the supporting plate.

[0011] As a further solution of the present invention: the driving mechanism includes a sprocket, which is installed at the position where the connecting shaft at one end of the conveying roller passes through the hollow supporting platform, and a chain is installed between two adjacent sprockets. A worm gear is also installed at the coaxial position of the sprocket at one end of the hollow supporting platform. A first motor is provided on one side of the hollow supporting platform, and a worm is provided at the output end of the first motor, and the worm is meshed with the worm wheel.

[0012] As a further solution of the present invention: the buffer mechanism includes an installation slide groove, which is opened in the middle of one end of the upper end surface of the hollow supporting platform, and a blocking slider is slidably connected inside the installation slide groove, and a buffer is installed between the side of the blocking slider away from the conveying roller and the side wall of the installation slide groove.

[0013] As a further scheme of the present invention: the positioning mechanism includes a hollow slider, the lower end of the hollow slider is provided with a sliding protrusion slidably connected with the side sliding groove, the upper end of the hollow slider is slidably connected with an inclined push block, and the end of the inclined push block away from the hollow slider is fixedly connected with a positioning plate, and the end of the inclined push block located inside the hollow slider is an inclined surface, and the positions of the inclined push blocks on both sides of the hollow slider are fixedly connected with spring seats, and a third return spring is installed between the spring seat and the inner wall of the hollow slider; a vertical slide plate is slidably connected to one side of the hollow slider, and a roller cooperating with the inclined surface of the inclined push block is provided on the upper end of the vertical slide plate, and a tension spring is installed between one side of the vertical slide plate and the lower end surface of the hollow slider; the bottom of the hollow slider is also provided with a one-way locking mechanism for locking the position of the hollow slider.

[0014] As a further solution of the present invention: the one-way locking mechanism includes a sliding inner groove, which is slidably connected to the positions on both sides of the hollow slider respectively, and iron inclined locking blocks are slidably connected in the sliding inner groove, and fourth reset springs are installed on both sides of the sliding inner groove, and an electromagnet is installed in the middle of the internal end surface of the sliding inner groove, and the lower end surface of the upper end plate of the hollow supporting platform is fixedly connected to the positions on both sides of the side sliding groove.

[0015] As a further scheme of the present invention: the air push mechanism includes an inner cylindrical cavity, the inner cylindrical cavity is respectively opened at a position inside the hollow bearing platform on one side of the side slide groove, and a slider cavity connected to the side slide groove is opened at a position inside the hollow bearing platform on the other side of the side slide groove, the slider cavity and the inner cylindrical cavity are respectively distributed at positions on both sides of the side slide groove, an inner piston is slidably connected in the inner cylindrical cavity, one end of the inner piston is fixedly connected to a sliding push rod, and the end of the sliding push rod away from the inner piston is fixedly connected to a connecting slider, the connecting slider is fixedly connected to the hollow slider, an inner spring is installed in the rodless cavity of the inner cylindrical cavity, one side of the hollow bearing platform is provided with an air passage connected to the rod cavity of the inner cylindrical cavity, a plurality of inflation cylinders are fixedly connected to the upper end surface of the bearing plate, a second piston rod is slidably connected in the inflation cylinder, two conveying air pipes are connected to the lower end of the inflation cylinder, and the ends of the conveying air pipes away from the inflation cylinder are respectively connected to the air passages, and two pipe openings are provided at the bottom of the inflation cylinder, one pipe opening is provided with a second solenoid valve, and the other pipe opening is provided with a pressure relief valve.

[0016] As a further solution of the present invention: the jacking mechanism includes a jacking plate, which is respectively arranged at positions on both sides of the inside of the hollow bearing platform, and the four corners of the lower end surface of the jacking plate are fixedly connected with vertical sliding rods, and the vertical sliding rods are slidably connected to the lower end plate of the hollow bearing platform. Hydraulic cylinders are installed at positions on both sides of the lower end plate of the hollow bearing platform, and the output end of the hydraulic cylinder is fixedly connected to the jacking plate.

[0017] As a further solution of the present invention: the supporting mechanism includes a second supporting cylinder body, a limiting slider is slidably connected in the second supporting cylinder body, a supporting slide rod is fixedly connected to the upper end surface of the limiting slide rod, the supporting slide rod is slidably connected to the second supporting cylinder body, and a second spring is installed between the limiting slide rod and the lower end surface of the second supporting cylinder body.

[0018] As a further scheme of the present invention: the locking mechanism includes an oil box, which is installed on the upper end surface of a supporting plate, and the positions of the supporting plate on both sides of the oil box are fixedly connected to a first supporting cylinder body, a first piston rod is slidably connected to the body of the first supporting cylinder, and a return spring is installed between the lower end of the first piston rod and the lower end surface of the first supporting cylinder body, and an inner piston plate is slidably connected to the inside of the oil box, and a first spring is installed on both sides of the upper end of the inner piston plate and the upper end plate of the oil box, connecting pipes are connected to both sides of the bottom of the oil box, and a first solenoid valve is installed on the connecting pipe, and the end of the connecting pipe away from the oil box is connected to the lower end of the first supporting cylinder body, the lower end cavity of the oil box and the rodless cavity of the first supporting cylinder body are filled with hydraulic oil, and exhaust holes are provided on the upper ends of the oil box and the first supporting cylinder body.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention can transport the main frame of the wind turbine nacelle chassis during operation by means of the provided strip groove and driving mechanism, and transport the main frame of the wind turbine nacelle chassis to the processing position, thereby facilitating loading and unloading of the chassis frame.

[0021] 2. The present invention can position and clamp the main frame of the wind turbine nacelle chassis during operation by means of the positioning mechanism, air push mechanism, top pressure mechanism and locking mechanism. During positioning, the air push mechanism can push the positioning mechanism close to the side of the frame contour, and then position the positioning mechanism through the top pressure mechanism, while pushing the positioning plate to move to firmly fix the frame to prevent the frame from moving during processing. Since the positioning plates can be close to the frame contour respectively, frames of different models and different contour shapes can be positioned and fixed, greatly improving the applicability of the equipment.

[0022] 3. The present invention can drive the bearing plate to rotate during operation by means of the rotating mechanism, so that when processing the main frame of the wind turbine nacelle chassis, the frame can be driven to rotate, which is convenient for processing as needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention.

[0024] Figure 2 It is a structural schematic diagram of the other side of the present invention.

[0025] Figure 3 It is a structural schematic diagram of the rotating mechanism in the present invention.

[0026] Figure 4 It is a structural schematic diagram of the buffer mechanism in the present invention.

[0027] Figure 5It is a structural schematic diagram of the locking mechanism in the present invention.

[0028] Figure 6 It is a structural schematic diagram of the top pressing mechanism in the present invention.

[0029] Figure 7 It is a structural schematic diagram of the support mechanism in the present invention.

[0030] Figure 8 It is a structural schematic diagram of the positioning mechanism in the present invention.

[0031] Fig. 9 It is a schematic diagram of the internal structure of the hollow slider in the present invention.

[0032] Fig.10 It is a structural schematic diagram of the one-way locking mechanism in the present invention.

[0033] Fig.11 It is a structural schematic diagram of the air propulsion mechanism in the present invention.

[0034] Fig.12 It is a schematic diagram of the structure of the inflation cylinder in the present invention.

[0035] Among them: 1. chassis; 2. hollow bearing platform; 3. buffer mechanism; 4. air push mechanism; 5. top pressure mechanism; 6. locking mechanism; 7. driving mechanism; 8. supporting mechanism; 9. rotating mechanism; 10. strip groove; 11. bearing plate; 12. positioning mechanism; 13. conveying roller; 14. side slide groove;

[0036] 301, blocking slider; 302, buffer; 303, mounting slide;

[0037] 401, inner cylindrical cavity; 402, inner piston; 403, inner spring; 404, sliding push rod; 405, air passage; 406, air delivery pipe; 407, pressure relief valve; 408, second solenoid valve; 409, charging cylinder; 410, second piston rod; 411, connecting slider; 412, slider cavity;

[0038] 501, hydraulic cylinder; 502, lifting plate; 503, vertical slide rod;

[0039] 601, return spring; 602, first piston rod; 603, connecting pipe; 604, exhaust hole; 605, inner piston plate; 606, first solenoid valve; 607, first spring; 608, oil box; 609, first supporting cylinder;

[0040] 701, first motor; 702, worm; 703, worm wheel; 704, sprocket; 705, chain;

[0041] 801, second spring; 802, limit slider; 803, support slide bar; 804, second support cylinder;

[0042] 901, annular bevel gear; 902, rotating column; 903, driving bevel gear; 904, second motor; 905, supporting roller; 906, annular track;

[0043] 121. hollow slider; 122. sliding protrusion; 123. vertical slider; 124. one-way locking mechanism; 125. inclined push block; 126. positioning plate; 127. spring seat; 128. third return spring; 129. tension spring;

[0044] 1241. Iron inclined plane locking block; 1242. Sliding inner groove; 1243. Fourth return spring; 1244. Electromagnet; 1245. Inclined plane tooth block. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] See also Figure 1-Figure 12 In an embodiment of the present invention, a positioning device for processing a main frame of a chassis of a wind turbine nacelle includes a chassis 1, a bearing plate 11 is provided above the chassis 1, a rotating mechanism 9 for driving the bearing plate 11 to rotate is provided on the chassis 1, the rotating mechanism 9 includes a rotating column 902, the rotating column 902 is fixedly connected to the middle position of the upper end surface of the chassis 1, the upper end of the rotating column 902 is rotatably connected to the bearing plate 11, the lower end surface of the bearing plate 11 is fixedly connected to a ring bevel gear 901 concentric with the rotating column 902, a second motor 904 is installed on one side of the upper end surface of the chassis 1, and a The driving bevel gear 903 is meshed with the annular bevel gear 901. The upper end surface of the chassis 1 is fixedly connected with an annular track 906. The four corners of the lower end surface of the carrying plate 11 are equipped with support rollers 905 that cooperate with the annular track 906. When working, the second motor 904 starts to drive the driving bevel gear 903 to rotate, the driving bevel gear 903 drives the annular bevel gear 901 to operate, and the annular bevel gear 901 drives the carrying plate 11 to rotate. At the same time, the supporting rollers 905 and the annular track 906 can support the carrying plate 11 during work to improve the strength and prevent deformation after heavy loading.

[0047] See also Figure 2A hollow bearing platform 2 is provided above the bearing plate 11, and a plurality of mutually parallel strip grooves 10 are provided on the upper end plate of the hollow bearing platform 2, and conveying rollers 13 are rotatably connected in the strip grooves 10. A driving mechanism 7 for driving the conveying rollers 13 to rotate is provided on one side of the hollow bearing platform 2; the driving mechanism 7 includes a sprocket 704, and the sprocket 704 is installed at a position where the connecting shaft at one end of the conveying roller 13 passes through the hollow bearing platform 2, and a chain 705 is installed between two adjacent sprockets 704, and a worm gear 703 is also installed at the coaxial position of the sprocket 704 at one end of the hollow bearing platform 2, and a driving mechanism 704 is provided on one side of the hollow bearing platform 2. There is a first motor 701, and a worm 702 is provided at the output end of the first motor 701. The worm 702 is meshed with a worm wheel 703. When working, the first motor 701 drives the worm 702 to rotate, and the rotation of the worm 702 drives the worm wheel 703 to rotate, and the rotation of the worm wheel 703 drives the corresponding sprocket 704 to rotate, and the rotation of the sprocket 704 drives the chain 705 to operate, thereby driving the conveying roller 13 to rotate synchronously. At the same time, the worm wheel 703 and the worm 702 are used as the transmission components of the driving source, which have a large transmission ratio, so that the conveying roller 13 can obtain sufficient knob torque, thereby realizing the movement of a heavy-weight frame.

[0048] See also Figure 3 A buffer mechanism 3 is installed in the middle of one end of the upper end surface of the hollow supporting platform 2, and the buffer mechanism 3 includes an installation slide groove 303, and the installation slide groove 303 is opened in the middle of one end of the upper end surface of the hollow supporting platform 2. A blocking slider 301 is slidably connected inside the installation slide groove 303, and a buffer 302 is installed between the side of the blocking slider 301 away from the conveying roller 13 and the side wall of the installation slide groove 303; the blocking slider 301 can be used to limit the conveying frame, and the buffer 302 can be used for buffering when the frame collides with the blocking slider 301.

[0049] See also Figure 1 and Figure 8-Figure 10, a plurality of side slide grooves 14 are provided on both sides of the upper end plate of the hollow bearing platform 2, and a positioning mechanism 12 is provided inside the side slide grooves 14, and the positioning mechanism 12 includes a hollow slider 121, and a sliding protrusion 122 slidably connected to the side slide groove 14 is provided at the lower end of the hollow slider 121, and an inclined push block 125 is slidably connected to the upper end of the hollow slider 121, and the end of the inclined push block 125 away from the hollow slider 121 is fixedly connected to a positioning plate 126, and the end of the inclined push block 125 located inside the hollow slider 121 is an inclined surface, and the positions of the inclined push block 125 on both sides of the hollow slider 121 are fixedly connected to spring seats 127, and a third return spring 128 is installed between the spring seat 127 and the inner wall of the hollow slider 121, and a vertical slide plate 123 is slidably connected to one side of the hollow slider 121. A roller is provided at the upper end of 123, which cooperates with the inclined surface of the inclined surface push block 125. A tension spring 129 is installed between one side of the interior of the vertical slide plate 123 and the lower end surface of the hollow slide block 121. A one-way locking mechanism 124 for locking the position of the hollow slide block 121 is also provided at the bottom of the hollow slide block 121; the one-way locking mechanism 124 includes a sliding inner groove 1242, and the sliding inner groove 1242 is respectively slidably connected to the positions on both sides of the hollow slide block 121. The sliding inner groove 1242 is slidably connected with an iron inclined surface locking block 1241, and the sliding inner groove 1242 is slidably connected with the iron inclined surface locking block 1241. The sliding inner groove 1242 is provided with a fourth return spring 1243 on both sides of the interior of the sliding inner groove 1242. An electromagnet 1244 is installed in the middle of the inner end surface of the sliding inner groove 1242. The lower end surface of the upper end plate of the hollow bearing platform 2 is located on both sides of the side slide groove 14 and is fixedly connected with an inclined surface tooth block 1245.

[0050] When the hollow slider 121 moves toward the frame, the iron inclined surface locking block 1241 will be retracted into the sliding inner groove 1242 under the cooperation of the inclined surface of the fourth return spring 1243 and the inclined surface tooth block 1245, and will not block the movement of the hollow slider 121. When the hollow slider 121 reaches the frame position, the iron inclined surface locking block 1241 will be stuck in the tooth groove of the inclined surface tooth block 1245 under the action of the fourth return spring 1243, realizing one-way locking, so that the hollow slider 121 cannot move away from the frame, and then the pressing mechanism 5 will push the vertical slide plate 123 to move upward, and the vertical slide plate 12 The upward movement will drive the inclined surface push block 125 to move, and the inclined surface push block 125 pushes out to drive the positioning plate 126 to move in the direction of the frame, and exerts pressure on the frame to achieve the positioning and fixation of the frame, so as to avoid the problem of the frame moving during processing. When the hollow bearing platform 2 is reset upward, the electromagnet 1244 is started to make the iron inclined surface locking block 1241 retract into the sliding inner groove 1242, and then the second electromagnetic valve 408 is opened, and the inner piston 402 is reset under the action of the inner spring 403, thereby driving the hollow slider 121 to move, so that the hollow slider 121 is reset to the initial position.

[0051] See also Fig.11and Fig.12 A pneumatic push mechanism 4 for driving the positioning mechanism 12 to move is provided between the bearing plate 11 and the hollow bearing platform 2, and the pneumatic push mechanism 4 includes an inner cylindrical cavity 401, and the inner cylindrical cavity 401 is respectively opened at a position on one side of the side slide groove 14 inside the hollow bearing platform 2, and a slider cavity 412 connected to the side slide groove 14 is opened at a position on the other side of the side slide groove 14 inside the hollow bearing platform 2, and the slider cavity 412 and the inner cylindrical cavity 401 are respectively distributed at positions on both sides of the side slide groove 14, and an inner piston 402 is slidably connected in the inner cylindrical cavity 401, and one end of the inner piston 402 is fixedly connected to a sliding push rod 404, and the end of the sliding push rod 404 away from the inner piston 402 is fixedly connected to a connecting rod A connecting slider 411 is fixedly connected to the hollow slider 121, an inner spring 403 is installed in the rodless cavity of the inner cylindrical cavity 401, one side of the hollow supporting platform 2 is provided with an air duct 405 connected with the rod cavity of the inner cylindrical cavity 401, a plurality of inflation cylinders 409 are fixedly connected to the upper end surface of the supporting plate 11, a second piston rod 410 is slidably connected in the inflation cylinder 409, two conveying air pipes 406 are connected to the lower end of the inflation cylinder 409, one end of the conveying air pipe 406 away from the inflation cylinder 409 is respectively connected to the air duct 405, two pipe openings are provided at the bottom of the inflation cylinder 409, a second solenoid valve 408 is provided on one pipe opening, and a pressure relief valve 407 is provided on the other pipe opening.

[0052] During operation, when the hollow support platform 2 descends, the second piston rod 410 pushes the gas in the inflation cylinder 409 into the delivery pipe 406, and then the delivery pipe 406 delivers the gas to the inside of the air passage 405. Since the delivery pipes 406 on both sides are connected to the inflation cylinder 409, gas can be delivered to the two inner cylindrical cavities 401 at the same time. After the gas enters the rod cavity of the inner cylindrical cavity 401, it pushes the inner piston 402 to move, and the inner piston 402 drives the sliding push rod 404, and the sliding push rod 404 drives the connecting slider 411, and the connecting slider 411 drives the hollow slider 121 to move closer to the frame. When the hollow slider 121 on one side abuts the frame, if the other side does not contact the frame, it will continue to move under the action of air pressure until it abuts the frame, thereby being able to fix frames of different shapes and sizes. The set pressure relief valve 407 can relieve pressure when the air pressure exceeds the set value, and the set second solenoid valve 408 can be opened when the second piston rod 410 is reset to compensate for the air volume.

[0053] See also Figure 6A pressing mechanism 5 for applying pressure to the positioning mechanism 12 is also provided between the bearing plate 11 and the hollow bearing platform 2, and the pressing mechanism 5 includes a lifting plate 502, and the lifting plates 502 are respectively arranged at positions on both sides of the inside of the hollow bearing platform 2, and the four corners of the lower end surface of the lifting plate 502 are fixedly connected with vertical sliding rods 503, and the vertical sliding rods 503 are slidably connected to the lower end plate of the hollow bearing platform 2, and hydraulic cylinders 501 are installed at positions on both sides of the lifting plate 502 on the lower end plate of the hollow bearing platform 2, and the output end of the hydraulic cylinder 501 is fixedly connected to the lifting plate 502; when working, the hydraulic cylinder 501 pushes the lifting plate 502 to move upward, and after the hydraulic cylinder 501 moves upward, it can push the vertical slide plate 123 to move, and the vertical sliding rod 503 can limit the lifting plate 502 to prevent the lifting plate 502 from deflecting.

[0054] See also Figure 7 , the carrying plate 11 is also provided with a plurality of supporting mechanisms 8 for supporting the hollow carrying platform 2, the supporting mechanism 8 includes a second supporting cylinder body 804, a limiting slider 802 is slidably connected inside the second supporting cylinder body 804, a supporting slide bar 803 is fixedly connected to the upper end surface of the limiting slider 802, the supporting slide bar 803 is slidably connected to the second supporting cylinder body 804, and a second spring 801 is installed between the limiting slider 802 and the lower end surface of the second supporting cylinder body 804; the arranged second spring 801 can provide an upward force for the hollow carrying platform 2 after the rack is unloaded after the processing is completed, so that the hollow carrying platform 2 can be smoothly reset upward.

[0055] See also Figure 6, both ends of the carrier plate 11 are also provided with a locking mechanism 6 for locking the position of the hollow carrier platform 2; the locking mechanism 6 includes an oil box 608, the oil box 608 is installed on the upper end surface of the carrier plate 11, the positions of the carrier plate 11 on both sides of the oil box 608 are fixedly connected with a first supporting cylinder body 609, the first supporting cylinder body 609 is slidably connected with a first piston rod 602, and a return spring 601 is installed between the lower end of the first piston rod 602 and the lower end surface of the first supporting cylinder body 609, the oil box 608 is slidably connected with an inner piston plate 605, the upper end of the inner piston plate 605 and both sides of the upper end plate of the oil box 608 are installed with a first spring 607, the bottom of the oil box 608 is connected with a connecting pipe 603 on both sides, and the connecting pipe 603 is installed with a first solenoid valve 6 06, one end of the connecting pipe 603 away from the oil box 608 is connected to the lower end of the first supporting cylinder body 609, the lower end cavity of the oil box 608 and the rodless cavity of the first supporting cylinder body 609 are filled with hydraulic oil, and the upper ends of the oil box 608 and the first supporting cylinder body 609 are provided with exhaust holes 604. During operation, in the loading stage, the first solenoid valve 606 is in a closed state, and the first supporting cylinder body 609 and the oil box 608 cannot communicate with each other. Therefore, when the frame moves to the hollow supporting platform 2, the hollow supporting platform 2 will not descend. After the frame is transferred to the hollow supporting platform 2, the first solenoid valve 606 is opened to make the oil box 608 and the first supporting cylinder body 609 communicate with each other, so that the oil in the first supporting cylinder body 609 can enter the inside of the oil box 608. At this time, the hollow supporting platform 2 will descend under the action of the gravity of the frame.

[0056] The working principle of the present invention is as follows: during operation, the main frame of the wind turbine cabin chassis to be processed is transferred to the hollow bearing platform 2, and then the conveying roller 13 is cooperated to enable the main frame to be moved to a predetermined position, and the conveyed frame can be limited and blocked by the provided blocking slider 301, and the provided buffer 302 can buffer when the frame collides with the blocking slider 301, and then the first solenoid valve 606 is opened to make the oil box 608 and the first supporting cylinder body 609 communicate with each other, so that the oil in the first supporting cylinder body 609 can enter the inside of the oil box 608, and at this time the hollow bearing platform 2 will The frame descends under the action of gravity. When the hollow supporting platform 2 descends, the second piston rod 410 pushes the gas in the inflation cylinder 409 into the delivery pipe 406, and then the delivery pipe 406 delivers the gas to the inside of the air passage 405. Since the delivery pipes 406 on both sides are connected to the inflation cylinder 409, gas can be delivered to the two inner cylindrical cavities 401 at the same time. After the gas enters the rod cavity of the inner cylindrical cavity 401, it pushes the inner piston 402 to move, and the inner piston 402 drives the sliding push rod 404, the sliding push rod 404 drives the connecting slider 411, and the connecting slider 411 drives the hollow slider 12 1 moves closer to the frame. When the hollow slider 121 moves toward the frame, the iron inclined surface locking block 1241 will be retracted into the sliding inner groove 1242 under the cooperation of the inclined surface of the fourth return spring 1243 and the inclined surface tooth block 1245, and will not block the movement of the hollow slider 121. When the hollow slider 121 reaches the frame position, the iron inclined surface locking block 1241 will be stuck in the tooth groove of the inclined surface tooth block 1245 under the action of the fourth return spring 1243, realizing one-way locking, so that the hollow slider 121 cannot move away from the frame, and then the pressing mechanism 5 will push the vertical slide plate 123 to move upward, and the vertical slide plate 123 moves upward. The movement will drive the inclined push block 125 to move, and the inclined push block 125 will be pushed out to drive the positioning plate 126 to move in the direction of the frame and exert pressure on the frame to achieve the positioning and fixation of the frame. During processing, when the frame needs to be rotated, the second motor 904 starts to drive the driving bevel gear 903 to rotate, and the driving bevel gear 903 drives the annular bevel gear 901 to operate, and the annular bevel gear 901 drives the bearing plate 11 to rotate. At the same time, the supporting rollers 905 and the annular track 906 can support the bearing plate 11 during work to improve the strength and prevent deformation after heavy loading.

[0057] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although this specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A positioning device for processing a main frame of a nacelle chassis of a wind turbine generator, comprising a chassis (1), a bearing plate (11) being arranged above the chassis (1), characterized in that: The chassis (1) is provided with a rotating mechanism (9) for driving the carrying plate (11) to rotate; a hollow carrying platform (2) is provided above the carrying plate (11); a plurality of mutually parallel strip grooves (10) are provided on the upper end plate of the hollow carrying platform (2); conveying rollers (13) are rotatably connected in the strip grooves (10); and a driving mechanism (7) for driving the conveying rollers (13) to rotate is provided on one side of the hollow carrying platform (2); A buffer mechanism (3) is installed in the middle of one end of the upper end surface of the hollow bearing platform (2), a plurality of side slide grooves (14) are opened on both sides of the upper end plate of the hollow bearing platform (2), and a positioning mechanism (12) is arranged inside the side slide grooves (14). An air push mechanism (4) for driving the positioning mechanism (12) to move is arranged between the bearing plate (11) and the hollow bearing platform (2), and a pressing mechanism (5) for applying pressure to the positioning mechanism (12) is also arranged between the bearing plate (11) and the hollow bearing platform (2). A plurality of supporting mechanisms (8) for supporting the hollow bearing platform (2) are also arranged on the bearing plate (11), and locking mechanisms (6) for locking the position of the hollow bearing platform (2) are also arranged at both ends of the bearing plate (11).

2. A positioning device for processing a main frame of a wind turbine nacelle chassis according to claim 1, characterized in that: The rotating mechanism (9) comprises a rotating column (902), wherein the rotating column (902) is fixedly connected to a position in the middle of the upper end surface of the chassis (1), the upper end of the rotating column (902) is rotatably connected to the bearing plate (11), the lower end surface of the bearing plate (11) is fixedly connected to an annular bevel gear (901) concentric with the rotating column (902), a second motor (904) is mounted on one side of the upper end surface of the chassis (1), a driving bevel gear (903) is mounted on the output end of the second motor (904), the driving bevel gear (903) is meshed with the annular bevel gear (901), the upper end surface of the chassis (1) is fixedly connected to an annular track (906), and support rollers (905) cooperating with the annular track (906) are mounted at four corners of the lower end surface of the bearing plate (11).

3. The positioning device for processing the main frame of the nacelle chassis of a wind turbine generator according to claim 1, characterized in that: The driving mechanism (7) comprises a sprocket (704), wherein the sprocket (704) is installed at a position where a connecting shaft at one end of the conveying roller (13) passes through the hollow supporting platform (2), a chain (705) is installed between two adjacent sprockets (704), a worm wheel (703) is also installed at a coaxial position of the sprocket (704) at one end of the hollow supporting platform (2), a first motor (701) is provided on one side of the hollow supporting platform (2), a worm (702) is provided at the output end of the first motor (701), and the worm (702) is meshed with the worm wheel (703).

4. The positioning device for processing the main frame of the nacelle chassis of a wind turbine generator according to claim 1, characterized in that: The buffer mechanism (3) comprises an installation slide groove (303), wherein the installation slide groove (303) is arranged at a middle position of one end of the upper end surface of the hollow bearing platform (2), a blocking slider (301) is slidably connected inside the installation slide groove (303), and a buffer (302) is installed between a side of the blocking slider (301) away from the conveying roller (13) and a side wall of the installation slide groove (303).

5. The positioning device for processing the main frame of the nacelle chassis of a wind turbine generator according to claim 1, characterized in that: The positioning mechanism (12) comprises a hollow slider (121), the lower end of the hollow slider (121) is provided with a sliding protrusion (122) slidably connected to the side sliding groove (14), the upper end of the hollow slider (121) is slidably connected to an inclined push block (125), one end of the inclined push block (125) away from the hollow slider (121) is fixedly connected to a positioning plate (126), one end of the inclined push block (125) located inside the hollow slider (121) is an inclined surface, and the positions of the inclined push block (125) located on both sides inside the hollow slider (121) are fixedly connected to springs. A third return spring (128) is installed between the spring seat (127) and the inner wall of the hollow slider (121); one side of the interior of the hollow slider (121) is slidably connected with a vertical slider (123); the upper end of the vertical slider (123) is provided with a roller that cooperates with the inclined surface of the inclined push block (125); a tension spring (129) is installed between one side of the interior of the vertical slider (123) and the lower end surface of the hollow slider (121); and the bottom of the hollow slider (121) is also provided with a one-way locking mechanism (124) for locking the position of the hollow slider (121).

6. A positioning device for processing a main frame of a wind turbine nacelle chassis according to claim 5, characterized in that: The one-way locking mechanism (124) comprises an inner sliding groove (1242), wherein the inner sliding groove (1242) is respectively slidably connected to positions on both sides of the hollow slider (121), and an iron inclined surface locking block (1241) is slidably connected in the inner sliding groove (1242), and a fourth return spring (1243) is installed on both sides of the inner sliding groove (1242), and an electromagnet (1244) is installed in the middle of the inner end surface of the inner sliding groove (1242), and the lower end surface of the upper end plate of the hollow bearing platform (2) is fixedly connected to the positions on both sides of the side sliding groove (14) with inclined surface tooth blocks (1245).

7. The positioning device for processing the main frame of the nacelle chassis of a wind turbine generator according to claim 1, characterized in that: The pneumatic propulsion mechanism (4) comprises an inner cylindrical cavity (401), wherein the inner cylindrical cavity (401) is respectively opened in a position located on one side of the side slide groove (14) inside the hollow bearing platform (2), and a slider cavity (412) connected to the side slide groove (14) is opened in a position located on the other side of the side slide groove (14) inside the hollow bearing platform (2), and the slider cavity (412) and the inner cylindrical cavity (401) are respectively distributed at positions on both sides of the side slide groove (14), and an inner piston (402) is slidably connected in the inner cylindrical cavity (401), and a sliding push rod (404) is fixedly connected to one end of the inner piston (402), and a connecting slider (411) is fixedly connected to the end of the sliding push rod (404) away from the inner piston (402), and the connecting slider (411) is connected to the hollow bearing platform (2). The inner cylindrical cavity (401) is fixedly connected to the center slider (121), an inner spring (403) is installed in the rodless cavity of the inner cylindrical cavity (401), one side of the hollow supporting platform (2) is provided with an air duct (405) connected with the rod cavity of the inner cylindrical cavity (401), a plurality of inflation cylinders (409) are fixedly connected to the upper end surface of the supporting plate (11), a second piston rod (410) is slidably connected in the inflation cylinder (409), two air delivery pipes (406) are connected to the lower end of the inflation cylinder (409), and the ends of the air delivery pipes (406) away from the inflation cylinder (409) are respectively connected to the air duct (405), and the bottom of the inflation cylinder (409) is provided with two pipe openings, one of which is provided with a second solenoid valve (408), and the other is provided with a pressure relief valve (407).

8. The positioning device for processing a main frame of a wind turbine nacelle chassis according to claim 1, characterized in that: The jacking mechanism (5) comprises a jacking plate (502), wherein the jacking plates (502) are respectively arranged at positions on both sides of the interior of the hollow bearing platform (2), and four corners of the lower end surface of the jacking plate (502) are fixedly connected with vertical sliding rods (503), and the vertical sliding rods (503) are slidably connected to the lower end plate of the hollow bearing platform (2), and hydraulic cylinders (501) are installed at positions on both sides of the lower end plate of the hollow bearing platform (2), and the output end of the hydraulic cylinder (501) is fixedly connected to the jacking plate (502).

9. The positioning device for processing a main frame of a nacelle chassis of a wind turbine generator according to claim 1, characterized in that: The support mechanism (8) comprises a second support cylinder body (804), a limiting slider (802) being slidably connected inside the second support cylinder body (804), a support slide bar (803) being fixedly connected to the upper end surface of the limiting slider (802), the support slide bar (803) being slidably connected to the second support cylinder body (804), and a second spring (801) being installed between the limiting slider (802) and the lower end surface of the second support cylinder body (804).

10. The positioning device for processing the main frame of the nacelle chassis of a wind turbine generator according to claim 1, characterized in that: The locking mechanism (6) comprises an oil box (608), wherein the oil box (608) is mounted on the upper end surface of a carrier plate (11), and the positions of the carrier plate (11) on both sides of the oil box (608) are fixedly connected with a first supporting cylinder body (609), and a first piston rod (602) is slidably connected inside the first supporting cylinder body (609), and a return spring (601) is installed between the lower end of the first piston rod (602) and the lower end surface of the first supporting cylinder body (609), and an inner piston plate (605) is slidably connected inside the oil box (608), and the inner piston plate (605) is slidably connected inside the oil box (608). ) and both sides of the upper end plate of the oil box (608), a first spring (607) is installed, both sides of the bottom of the oil box (608) are connected with a connecting pipe (603), and a first solenoid valve (606) is installed on the connecting pipe (603), and the end of the connecting pipe (603) away from the oil box (608) is connected to the lower end of the first supporting cylinder body (609), the lower end cavity of the oil box (608) and the rodless cavity of the first supporting cylinder body (609) are filled with hydraulic oil, and the upper ends of the oil box (608) and the first supporting cylinder body (609) are provided with exhaust holes (604).

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