Linear laser projector for laying and positioning land wind power blade

Abstract

The utility model relates to the technical field of blade paving and positioning, in particular to a linear laser projector for paving and positioning a land wind power blade, which is characterized by comprising a cross beam, a position adjusting device and a laser projector, and the position adjusting device is connected with the cross beam; the position adjusting device can move along the X axis, rotate around the Y axis and swing around the Z axis in a pitching mode. A light beam emitted by the laser projector is vertically downward along the Y-axis direction; the laser projector comprises a Powell prism assembly, and a light beam emitted by the laser projector is modulated by the Powell prism assembly and then is emitted out; the position adjusting device is used for adjusting the position and the posture of the laser projector, so that a light beam emitted by the laser projector enters a blade positioning area; the device has the advantages that high-precision linear laser beams are emitted through the laser, the lens and the Powell prism via the light transmitting opening, accurate positioning reference is provided for paving of the wind power blade, and the accuracy of the mounting position and angle of the blade is ensured.

Description

Technical Field

[0001] This utility model relates to the field of blade installation and positioning technology, and in particular to a linear laser projector for onshore wind turbine blade installation and positioning. Background Technology

[0002] In the manufacturing process of onshore wind turbine blades, installation and positioning are crucial steps to ensure the structural accuracy and performance of the blades. Traditional installation and positioning methods mainly rely on manual measurement and marking, which is not only inefficient but also prone to insufficient positioning accuracy due to human error, affecting the quality and performance of the blades. With the continuous increase in the size of wind turbine blades, higher demands are placed on the accuracy and efficiency of installation and positioning. Linear laser projectors, as a high-precision optical positioning tool, can project clear straight lines or reference lines onto the blade surface, providing an intuitive and accurate positioning benchmark for installation operations. Applying them to the installation and positioning of onshore wind turbine blades can effectively solve the problems of low efficiency and poor accuracy of traditional methods, improving the automation level of blade manufacturing and product quality. Utility Model Content

[0003] In view of this, the present invention aims to provide a linear laser projector for onshore wind turbine blade paving and positioning. By adjusting the position and attitude of the laser projector through a position adjustment device, the laser beam emitted by the laser projector is incident on the blade positioning area, which effectively solves the technical problem of wind turbine blade paving and positioning, shortens the blade component positioning time, improves positioning accuracy, and ensures the forming quality of wind turbine blades.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows: A linear laser projector for positioning and paving onshore wind turbine blades, characterized in that it includes: a crossbeam; a position adjustment device connected to the crossbeam; the position adjustment device is movable along the X-axis, rotatable around the Y-axis, and pitch-swinging around the Z-axis; a laser projector connected to the position adjustment device, the laser beam emitted by the laser projector being vertically downward along the Y-axis; the laser projector including a Powell prism assembly, the laser beam emitted by the laser projector being modulated by the Powell prism assembly before being emitted; the position adjustment device adjusts the position and attitude of the laser projector so that the laser beam emitted by the laser projector is incident on the blade positioning area; wherein, any two of the X-axis, Y-axis, and Z-axis are perpendicular to each other; the Y-axis is perpendicular to the bottom surface of the crossbeam, and both the X-axis and Z-axis are parallel to the bottom surface of the crossbeam.

[0005] Furthermore, the position adjustment device includes a slide rail mounting plate, a crossbeam connecting assembly, a horizontal movement assembly, a rotating pan-tilt head, a swing pan-tilt head, and a projector connecting plate; the slide rail mounting plate is connected to the crossbeam via the crossbeam connecting assembly; the horizontal movement assembly is mounted on the slide rail mounting plate; the rotating pan-tilt head is connected to the horizontal movement assembly; the swing pan-tilt head is connected to the rotating pan-tilt head; and the projector connecting plate is connected to the swing pan-tilt head.

[0006] Furthermore, the transverse movement assembly includes a motor, a lead screw assembly, and two linear guides; the two linear guides are spaced apart on the slide rail mounting plate; the fixed end of the motor is connected to the slide rail mounting plate, the output end of the motor is connected to one end of the lead screw assembly, and the other end of the lead screw assembly is rotatably connected to the slide rail mounting plate through a bearing; the lead screw assembly is located between the two linear guides; the swing gimbal is connected to the lead screw nut of the lead screw assembly and the sliders of the two linear guides.

[0007] Furthermore, the laser projector also includes a heat sink, a housing, a laser assembly, and a lens assembly; the heat sink is connected to a position adjustment device; the laser assembly, the lens assembly, and the Powell prism assembly are sequentially arranged on the heat sink along the optical path; the housing is connected to the heat sink and covers the laser assembly, the lens assembly, and the Powell prism assembly, and the housing has a light-transmitting opening on the light-emitting side corresponding to the Powell prism.

[0008] Furthermore, the outer casing is also equipped with a window and two light-shielding plates. The window covers the light-transmitting opening and is connected to the outer casing; the two light-shielding plates are set at an angle on both sides of the window along the light path direction.

[0009] Furthermore, the lens assembly includes a lens, a lens mount, and a slide motor; the slide motor is connected to a heat sink, and the lens is connected to the slide motor via the lens mount.

[0010] Furthermore, the Powell prism assembly includes a Powell prism, an adjustment block, and an adjustment frame. The adjustment frame is connected to a heat sink via the adjustment block, and the Powell prism is mounted on the adjustment frame.

[0011] Furthermore, the laser assembly includes a laser, a pad, a cooling chip, and a thermistor; the cooling chip is connected to a heat sink, and the laser is connected to the cooling chip via the pad; the thermistor is connected to the pad.

[0012] Furthermore, the laser projector also includes a fan and limit switches; both the fan and limit switches are mounted on a heat sink and located on opposite sides of the heat sink; the fan is located below the laser assembly, and the limit switches are located at the beginning and end of the travel of the slide motor.

[0013] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0014] 1) Using a laser, lens and Powell prism assembly, a high-precision linear laser beam is projected through the light-transmitting port to provide a precise positioning reference for the installation of wind turbine blades, ensuring the accuracy of the installation position and angle.

[0015] 2) Adjust the position and attitude of the laser projector through the position adjustment device so that the beam emitted by the laser projector is accurately incident on the blade positioning area.

[0016] 3) The laser projector uses heat sinks, semiconductor cooling chips and fans to work together to control the operating temperature of the laser projector, ensuring that the laser, lens assembly and Powell prism assembly operate in the optimal temperature range, so that it can adapt to complex industrial environments such as high temperature and high dust, and maintain long-term stable operation.

[0017] 4) Linear laser projectors can improve the paving efficiency of operators. Operators can quickly align the blades, reduce the time spent on manual measurement and adjustment, and significantly improve paving efficiency. Attached Figure Description

[0018] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0019] Figure 1 This is a structural schematic diagram of a linear laser projector for onshore wind turbine blade paving and positioning provided according to an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the position adjustment device provided according to an embodiment of the present utility model from one perspective;

[0021] Figure 3 This is a structural schematic diagram of the position adjustment device provided according to an embodiment of the present utility model from another perspective;

[0022] Figure 4 This is a structural schematic diagram of the outer shell provided according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the structure of a laser projector without a housing from one viewing angle, according to an embodiment of the present invention;

[0024] Figure 6 This is a structural schematic diagram of a laser projector provided according to an embodiment of the present invention, excluding the outer casing, from another perspective.

[0025] The reference numerals in the attached drawings include: 1. Crossbeam; 2. Position adjustment device; 21. Slide rail mounting plate; 22. Crossbeam connecting assembly; 221. First connecting plate; 222. I-beam buckle; 23. Horizontal movement assembly; 231. Motor; 232. Lead screw assembly; 233. Linear guide rail; 24. Swinging pan / tilt head; 25. Rotating pan / tilt head; 26. Projector connecting plate; 27. Connecting seat; 3. Laser projector; 31. Heat sink; 32. Housing; 33. Laser assembly; 331. Laser; 332. Pad; 333. Semiconductor cooling chip; 334. Thermistor; 34. Lens assembly; 341. Lens; 342. Lens mount; 343. Slide table motor; 35. Powell prism assembly; 351. Powell prism; 352. Adjusting block; 353. Adjusting frame; 36. Fan; 37. Limit switch; 38. Window plate; 39. Light shield. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and do not constitute a limitation thereof.

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0028] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] like Figures 1 to 6 As shown in the figure, this utility model provides a linear laser projector for positioning onshore wind turbine blades, comprising: a crossbeam 1, a position adjustment device 2, and a laser projector 3. In this embodiment, the crossbeam 1 is an I-beam structure.

[0032] The position adjustment device 2 is connected to the crossbeam 1. The position adjustment device 2 can move along the X-axis, rotate around the Y-axis, and pitch around the Z-axis. The laser projector 3 is connected to the position adjustment device 2, and the beam emitted by the laser projector 3 is vertically downward along the Y-axis. The position adjustment device 2 adjusts the position and attitude of the laser projector 3 so that the beam emitted by the laser projector 3 is incident on the blade positioning area.

[0033] In this embodiment, any two of the X, Y, and Z axes are perpendicular to each other; the Y axis is perpendicular to the bottom surface of the beam 1, and both the X and Z axes are parallel to the bottom surface of the beam 1. In this embodiment, the X axis is parallel to the length direction of the beam 1.

[0034] The position adjustment device 2 includes a slide rail mounting plate 21, a crossbeam connecting assembly 22, a horizontal movement assembly 23, a swing pan / tilt head 24, a rotary pan / tilt head 25, and a projector connection plate 26. The slide rail mounting plate 21 is connected to the crossbeam 1 via the crossbeam connecting assembly 22. The rotary pan / tilt head 25 is connected to the horizontal movement assembly 23, the swing pan / tilt head 24 is connected to the rotary pan / tilt head 25, and the projector connection plate 26 is connected to the swing pan / tilt head 24.

[0035] The crossbeam connecting assembly 22 includes a first connecting plate 221 and an I-beam buckle 222. One end of the I-beam buckle 222 is connected to the crossbeam 1, and the other end is connected to the first connecting plate 221. The first connecting plate 221 is connected to the slide rail mounting plate 21.

[0036] The traverse assembly 23 is mounted on the slide rail mounting plate 21. The traverse assembly 23 includes a motor 231, a lead screw assembly 232, and two linear guide rails 233. The two linear guide rails 233 are spaced apart on the slide rail mounting plate 21. The fixed end of the motor 231 is connected to the slide rail mounting plate 21, and the output end of the motor 231 is connected to one end of the lead screw assembly 232. The other end of the lead screw assembly 232 is rotatably connected to the slide rail mounting plate 21 via a bearing. The lead screw assembly 232 is located between the two linear guide rails 233. The rotating gimbal 25 is connected to the lead screw nut of the lead screw assembly 232 and the sliders of the two linear guide rails 233 via a connecting seat 27.

[0037] Motor 231 drives the rotating gimbal 25, the swing gimbal 24 and the projector connecting plate 26 through the lead screw assembly 232, thereby moving the laser projector 3 along the length direction (X-axis) of the crossbeam 1 to achieve horizontal position adjustment of the laser projector 3.

[0038] The rotating gimbal 25 rotates the laser projector 3 around the Y-axis via the swinging gimbal 24, adjusting the horizontal attitude of the laser projector 3. The swinging gimbal 24 drives the laser projector 3 to swing around the Z-axis via the projector connection plate 26, adjusting the pitch angle of the laser projector 3, and finally completing the attitude adjustment of the laser projector 3.

[0039] The 24-inch swing gimbal is a purchased part, manufactured by Beijing Padway Instruments Co., Ltd., model number RC01RA100-2.

[0040] The rotating gimbal 25 is a purchased part, manufactured by Beijing Padway Instruments Co., Ltd., model: PX110-100.

[0041] The laser projector 3 includes a heat sink 31, a housing 32, a laser assembly 33, a lens assembly 34, a Powell prism assembly 35, a fan 36, and a limit switch 37. The heat sink 31 is connected to the projector connection plate 26 of the position adjustment device 2. The laser assembly 33, lens assembly 34, and Powell prism assembly 35 are sequentially arranged on the heat sink 31 along the optical path. The housing 32 is connected to the heat sink 31 and covers the laser assembly 33, lens assembly 34, and Powell prism assembly 35. The housing 32 has a light-transmitting opening on the light-emitting side corresponding to the Powell prism assembly 35. The housing 32 also has a window 38 and two light-shielding plates 39. The window 38 covers the light-transmitting opening and is connected to the housing 32. The two light-shielding plates 39 are arranged at an angle on both sides of the window 38 along the optical path. The window 38 is a light-transmitting device, while the housing 32 is an opaque device. The light-shielding plates 39 optimize the beam output quality and reduce stray light interference.

[0042] Both the fan 36 and the limit switch 37 are mounted on the heat sink 31, located on opposite sides of the heat sink 31. The fan 36 is positioned below the laser assembly 33, and the limit switches 37 are located at the beginning and end of the travel of the slide motor 343 in the lens assembly 34. These limit switches are used to restrict the range of motion of the slide motor 343, ensuring the accuracy and safety of the adjustment.

[0043] The laser assembly 33 includes a laser 331, a pad 332, a thermoelectric cooler 333, and a thermistor 334. The thermoelectric cooler 333 is connected to a heat sink 31, and the laser 331 is connected to the thermoelectric cooler 333 via the pad 332. The thermistor 334 is connected to the pad 332. The thermistor 334 monitors the temperature changes of the laser projector 3 in real time.

[0044] The heat sink 31, the semiconductor cooling chip 333, and the fan 36 work together to effectively control the temperature of the laser projector 3, ensuring that the laser 331, the lens assembly 34, and the Powell prism assembly 35 operate within the optimal temperature range.

[0045] The lens assembly 34 includes a lens 341, a lens mount 342, and a slide motor 343. The slide motor 343 is connected to the heat sink 31, and the lens 341 is connected to the slide motor 343 through the lens mount 342.

[0046] The Powell prism assembly 35 includes a Powell prism 351, an adjustment block 352, and an adjustment frame 353. The adjustment frame 353 is connected to the heat sink 31 via the adjustment block 352, and the Powell prism 351 is mounted on the adjustment frame 353. The angles of the Powell prism 351 around the X and Y axes are adjusted by the adjustment frame 353 to bring it close to an ideal state.

[0047] The adjustable frame 353 is a purchased part, manufactured by Guangzhou Hengyang Electronic Technology Co., Ltd., model: MTMSO-1R.

[0048] Laser 331 emits a laser beam onto lens 341. The distance between lens 341 and laser 331 is adjusted by slide motor 343 to focus and collimate the beam. The collimated beam is then incident on Powell prism 351. By adjusting the frame 353, the beam is decomposed and forms a uniformly distributed straight beam spot, which is emitted through window 38 and illuminates the blade positioning area to form a straight reference.

[0049] The specific embodiments described above do not constitute a limitation on the scope of protection of this utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A linear laser projector for positioning and paving onshore wind turbine blades, characterized in that, include: beam; A position adjustment device is connected to the crossbeam; the position adjustment device can move along the X-axis, rotate around the Y-axis, and pitch around the Z-axis. A laser projector, connected to the position adjustment device, wherein the laser projector emits a beam that is vertically downward along the Y-axis; the laser projector includes a Powell prism assembly, wherein the laser beam emitted by the laser projector is modulated by the Powell prism assembly before being emitted; The position adjustment device adjusts the position and attitude of the laser projector so that the beam emitted by the laser projector is incident on the blade positioning area; In this configuration, any two of the X-axis, Y-axis, and Z-axis are perpendicular to each other; the Y-axis is perpendicular to the bottom surface of the beam, and both the X-axis and Z-axis are parallel to the bottom surface of the beam.

2. The linear laser projector for onshore wind turbine blade installation and positioning according to claim 1, characterized in that, The position adjustment device includes a slide rail mounting plate, a crossbeam connecting assembly, a transverse moving assembly, a rotating gimbal, a swinging gimbal, and a projector connecting plate. The slide rail mounting plate is connected to the crossbeam via a crossbeam connecting assembly; the transverse moving assembly is mounted on the slide rail mounting plate; the rotating gimbal is connected to the transverse moving assembly; the swinging gimbal is connected to the rotating gimbal; and the projector connecting plate is connected to the swinging gimbal.

3. The linear laser projector for onshore wind turbine blade installation and positioning according to claim 2, characterized in that, The traverse assembly includes a motor, a lead screw assembly, and two linear guides; Two linear guide rails are spaced apart on the slide rail mounting plate; the fixed end of the motor is connected to the slide rail mounting plate, the output end of the motor is connected to one end of the lead screw assembly, the other end of the lead screw assembly is rotatably connected to the slide rail mounting plate through a bearing, and the lead screw assembly is located between the two linear guide rails; the rotating gimbal is connected to the lead screw assembly's nut and the sliders of the two linear guide rails.

4. The linear laser projector for positioning onshore wind turbine blades according to claim 1, characterized in that, The laser projector also includes a heat sink, a housing, a laser assembly, and a lens assembly; The heat sink is connected to the position adjustment device; the laser assembly, the lens assembly, and the Powell prism assembly are sequentially arranged on the heat sink along the optical path; The outer casing is connected to the heat sink and covers the laser assembly, lens assembly and Powell prism assembly. The outer casing has a light-transmitting opening corresponding to the light-emitting side of the Powell prism.

5. The linear laser projector for onshore wind turbine blade installation and positioning according to claim 4, characterized in that, The outer casing is also provided with a window and two light-shielding plates. The window covers the light-transmitting opening and is connected to the outer casing. The two light-shielding plates are arranged at an angle on both sides of the window along the light path direction.

6. The linear laser projector for onshore wind turbine blade installation and positioning according to claim 4, characterized in that, The lens assembly includes a lens, a lens mount, and a slide motor; the slide motor is connected to the heat sink, and the lens is connected to the slide motor via the lens mount.

7. The linear laser projector for onshore wind turbine blade installation and positioning according to claim 4, characterized in that, The Powell prism assembly includes a Powell prism, an adjustment block, and an adjustment frame. The adjustment frame is connected to the heat sink via the adjustment block, and the Powell prism is mounted on the adjustment frame.

8. The linear laser projector for onshore wind turbine blade installation and positioning according to claim 4, characterized in that, The laser assembly includes a laser, a pad, a cooling chip, and a thermistor; the cooling chip is connected to the heat sink, and the laser is connected to the cooling chip via the pad; the thermistor is connected to the pad.

9. The linear laser projector for onshore wind turbine blade installation and positioning according to claim 6, characterized in that, The laser projector also includes a fan and limit switches; the fan and limit switches are both disposed on the heat sink and are located on opposite sides of the heat sink respectively; the fan is located below the laser assembly, and the limit switches are respectively disposed at the beginning and end of the travel of the slide motor.

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