Kiloton six-component load sensor calibration device

Abstract

The invention provides a kiloton six-component load sensor calibration device which comprises a supporting assembly, the supporting assembly comprises a bottom plate, first supporting frames, second supporting frames and a supporting plate, and the first supporting frames are fixedly installed at the two ends of the top of the bottom plate respectively. According to the kiloton-level six-component load sensor calibration device provided by the invention, through mutual cooperation of the supporting assembly, the loading assembly, the loading tool, the guiding assembly, the moving assembly and other structures, a worker only needs to place a kiloton-level six-component load sensor needing to be calibrated on the top of the moving platform; the kiloton-level six-component load sensor is loaded on the loading tool, then the moving platform is pushed until the kiloton-level six-component load sensor is moved to the bottom of the loading tool, then the loading tool is pushed through the loading assembly, the kiloton-level six-component load sensor can be calibrated, other transfer equipment is not needed for cooperative operation, the operation process is simplified, and the working efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of sensor technology, and in particular to a calibration device for a six-component load sensor with a capacity of thousands of tons. Background Technology

[0002] In the field of wind power, the blades are subjected to complex loads during operation. Their rotational dynamic information is crucial for evaluating the performance of wind power equipment, ensuring operational safety, and optimizing design. The six-component load sensor, as a key device for acquiring this information, can monitor the forces (axial force, radial force, and tangential force) and moments (pitch moment, yaw moment, and roll moment) in three directions on the blades in real time.

[0003] However, the accuracy of the six-component load cell is crucial before actual use. If the sensor is not accurate enough, the collected data will be biased, which may lead to misjudgment of the blade's operating status. For example, it may lead to an incorrect assessment of the load on the blade, preventing maintenance personnel from discovering potential safety hazards in time, thereby increasing the risk of equipment failure and causing economic losses. In the wind power equipment design phase, inaccurate data will affect the scientificity and rationality of the design, and reduce the performance and reliability of the equipment.

[0004] Currently, there are many challenges in calibrating a six-component load cell with a capacity of thousands of tons. Due to the large size and weight of the sensor to be calibrated, other transfer equipment is needed to move the sensor accurately to the bottom of the loading fixture when it is transferred to the bottom of the loading fixture. Furthermore, the limited space at the bottom of the loading fixture makes the operation quite cumbersome.

[0005] Therefore, it is necessary to provide a calibration device for a six-component load sensor with a capacity of thousands of tons to solve the above-mentioned technical problems. Summary of the Invention

[0006] This invention provides a calibration device for a thousand-ton-level six-component load cell, which solves the problem that the existing thousand-ton-level six-component load cell calibration process requires the use of other transfer equipment and is relatively cumbersome.

[0007] To solve the above-mentioned technical problems, the present invention provides a calibration device for a six-component load cell with a capacity of 1,000 tons, comprising:

[0008] A support assembly includes a base plate, a first support frame, a second support frame, and a support plate. The first support frame is fixedly installed at both ends of the top of the base plate, the second support frame is fixedly installed at both sides of the top of the base plate, and the support plate is fixedly installed at both ends of one side of a second support frame.

[0009] Six loading components, which are respectively connected to two first support frames, two second support frames and two support plates;

[0010] A loading fixture is provided on the mobile end of the six loading components;

[0011] A guide assembly is disposed on the top of the base plate. The guide assembly includes two slide rails and two connecting plates. The two slide rails are fixedly installed on the top of the base plate, and the two connecting plates are respectively fixedly installed at both ends in the middle of the two slide rails.

[0012] A movable component is disposed on the top of the slide rail. The movable component includes a movable platform and rollers. The rollers are fixedly installed around the bottom of the movable platform and are rotatably connected to the inner side of the slide rail.

[0013] Preferably, each of the six loading components has a rotating component at its moving end. The rotating component includes a rotating seat and a rotating block. The rotating block is rotatably connected to the inner side of the rotating seat. The rotating seat and the loading fixture are fixedly installed. The rotating block and the moving end of the loading component are fixedly installed.

[0014] Preferably, a drive telescopic component is also fixedly installed around the bottom of the mobile platform, and a pad is fixedly installed at the moving end of the drive telescopic component.

[0015] Preferably, an adjustment component is fixedly installed at the bottom of both slide rails.

[0016] Preferably, the adjusting assembly includes a threaded sleeve, a threaded rod, and a contact plate. The top of the threaded sleeve is fixedly installed on the bottom of the slide rail, the threaded rod is threadedly connected to the inner side of the threaded sleeve, and the contact plate is fixedly installed on the bottom of the threaded rod.

[0017] Preferably, the calibration device for the thousand-ton-level six-component load sensor further includes a drive assembly, which includes a drive component, a reduction gearbox, and a lead screw. The reduction gearbox is fixedly installed on one side of the connecting plate, the output end of the drive component and the input end of the reduction gearbox are fixedly installed, and one end of the lead screw is fixedly installed on the output end of the reduction gearbox.

[0018] Preferably, a movable block is provided on the outer side of the lead screw, and the movable block is fixedly installed on the bottom of the mobile platform.

[0019] Preferably, each end of the movable block is slidably connected to a sliding rod, and the two ends of the sliding rod are respectively fixedly installed in the middle of the two connecting plates.

[0020] Preferably, the calibration device for the thousand-ton-level six-component load sensor further includes a drive motor, the output end of which is fixedly mounted with a bidirectional threaded rod, both ends of the outer side of the bidirectional threaded rod are threadedly connected with clamping plates, and a rubber pad is fixedly mounted on one side of the clamping plate.

[0021] Preferably, the top of the mobile platform is provided with a slide groove, the drive motor is fixedly installed on one side of the mobile platform, one end of the bidirectional threaded rod is rotatably connected to one side of the inner side of the slide groove, and the bottom of the clamping plate is slidably connected to the inner side of the slide groove.

[0022] Compared with related technologies, the calibration device for a six-component load sensor with a capacity of thousands of tons provided by the present invention has the following beneficial effects:

[0023] This invention provides a calibration device for a kiloton-level six-component load cell. Through the coordinated operation of a support component, a loading component, a loading fixture, a guide component, and a moving component, the operator only needs to place the kiloton-level six-component load cell to be calibrated on top of the moving platform, then push the platform until the load cell is moved to the bottom of the loading fixture. The loading component then pushes the loading fixture to calibrate the kiloton-level six-component load cell. No other transport equipment is required, simplifying the operation process and improving work efficiency. Attached Figure Description

[0024] Figure 1 A schematic diagram of the structure of a first embodiment of a calibration device for a kiloton-level six-component load sensor provided by the present invention;

[0025] Figure 2 for Figure 1 The diagram shows the supporting component structure.

[0026] Figure 3 for Figure 1 The diagram shows the structure of the guide component.

[0027] Figure 4 for Figure 2 The enlarged schematic diagram of part A shown below;

[0028] Figure 5 for Figure 3 The enlarged schematic diagram of section B is shown below;

[0029] Figure 6 This is a schematic diagram of the second embodiment of a calibration device for a kiloton-level six-component load sensor provided by the present invention;

[0030] Figure 7This is a schematic diagram of the third embodiment of a calibration device for a six-component load sensor with a capacity of 1,000 tons provided by the present invention.

[0031] The following are the labeling elements in the diagram: 1. Support assembly; 11. Base plate; 12. First support frame; 13. Second support frame; 14. Support plate; 2. Loading assembly; 3. Rotating assembly; 31. Rotating seat; 32. Rotating block; 4. Loading fixture; 5. Guide assembly; 51. Slide rail; 52. Connecting plate; 53. Slide rod; 6. Drive assembly; 61. Drive component; 62. Gearbox; 63. Lead screw; 7. Moving assembly; 71. Moving platform; 72. Roller; 73. Drive telescopic component; 74. Pad; 8. Adjusting assembly; 81. Threaded sleeve; 82. Threaded rod; 83. Contact plate; 9. Drive motor; 91. Bidirectional threaded rod; 92. Clamping plate; 93. Rubber pad; 94. Slide groove. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0033] First Embodiment

[0034] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of a calibration device for a kiloton-level six-component load sensor provided by the present invention; Figure 2 for Figure 1 The diagram shows the supporting component structure. Figure 3 for Figure 1 The diagram shows the structure of the guide component. Figure 4 for Figure 2 The enlarged schematic diagram of part A shown below; Figure 5 for Figure 3 The enlarged schematic diagram of part B is shown. A calibration device for a six-component load cell with a capacity of 1,000 tons includes: a support assembly 1, which includes a base plate 11, a first support frame 12, a second support frame 13, and a support plate 14. The first support frame 12 is fixedly installed at both ends of the top of the base plate 11, the second support frame 13 is fixedly installed at both sides of the top of the base plate 11, and the support plate 14 is fixedly installed at both ends of one side of the second support frame 14.

[0035] Six loading components 2 are respectively connected to two first support frames 12, two second support frames 13 and two support plates 14;

[0036] Loading fixture 4, which is disposed on the moving ends of the six loading components 2;

[0037] The guide component 5 is disposed on the top of the base plate 11. The guide component 5 includes two slide rails 51 and two connecting plates 52. The two slide rails 51 are fixedly installed on the top of the base plate 1, and the two connecting plates 52 are respectively fixedly installed at the two ends in the middle of the two slide rails 51.

[0038] The movable component 7 is disposed on the top of the slide rail 51. The movable component 7 includes a movable platform 71 and rollers 72. The rollers 72 are fixedly installed around the bottom of the movable platform 71 and are rotatably connected to the inner side of the slide rail 51.

[0039] Each of the six moving ends of the loading components 2 is provided with a rotating component 3. The rotating component 3 includes a rotating seat 31 and a rotating block 32. The rotating block 32 is rotatably connected to the inner side of the rotating seat 32. The rotating seat 32 and the loading fixture 4 are fixedly installed. The rotating block 32 and the moving end of the loading component 2 are fixedly installed.

[0040] The bottom of the mobile platform 71 is also fixedly installed around the perimeter of a drive telescopic component 73, and a pad 74 is fixedly installed on the moving end of the drive telescopic component 73.

[0041] An adjustment assembly 8 is fixedly installed at the bottom of each of the two slide rails 51.

[0042] The adjusting assembly 8 includes a threaded sleeve 81, a threaded rod 82, and a contact plate 83. The top of the threaded sleeve 81 is fixedly installed on the bottom of the slide rail 51, the threaded rod 82 is threadedly connected to the inner side of the threaded sleeve 81, and the contact plate 83 is fixedly installed on the bottom of the threaded rod 82.

[0043] Support component 1 serves as the basic support structure for the entire device. It includes a base plate 11, a first support frame 12, a second support frame 13, and a support plate 14. It provides an installation position for loading component 2, ensuring that the entire device structure is stable and can withstand loads of thousands of tons.

[0044] The six loading components 2 are connected to two first support frames 12, two second support frames 13 and two support plates 14 respectively. They are key components for loading and calibrating the thousand-ton-level six-component load sensor. The loading components 2 can accurately apply forces and torques of different directions and magnitudes according to calibration requirements, simulating the complex loads that wind turbine blades are subjected to in actual operation, thereby achieving comprehensive calibration of the sensor.

[0045] The loading fixture 4 is located at the moving end of the six loading components 2. It is the component that directly contacts and transmits the load to the thousand-ton-level six-component load sensor. The design of the loading fixture 4 can ensure that the load is applied to the sensor evenly and accurately, thus guaranteeing the reliability of the calibration results.

[0046] The guide component 5 is located on the top of the base plate 11 and includes two slide rails 51 and two connecting plates 52. The two slide rails 51 are fixedly installed on the top of the base plate 11 to provide a precise moving track for the moving component 7, ensuring that the moving platform 71 can move smoothly along the preset direction. The two connecting plates 52 are fixedly installed at the two ends in the middle of the two slide rails 51, which enhances the structural stability of the slide rails 51.

[0047] The moving component 7 is located on the top of the slide rail 51 and includes a moving platform 71 and rollers 72. The rollers 72 are fixedly installed around the bottom of the moving platform 71. The rollers 72 are tactilely connected to the inner side of the slide rail 51, allowing the moving platform 71 to slide easily on the slide rail 51. The operator can push the moving platform 71 to quickly and accurately move the thousand-ton-level six-component load sensor placed on it to the bottom of the loading fixture 4, making the operation convenient.

[0048] The rotating component 3 enables the loading fixture 4 to rotate flexibly according to the actual situation when subjected to the force of the loading component 2, so as to better simulate the stress state of the wind turbine blade under complex working conditions and improve the accuracy of calibration.

[0049] Once the mobile platform 71 has moved to the designated position, the drive telescopic component 73 can extend, allowing the pad 74 to contact the ground or other support surfaces and provide additional support force, preventing the mobile platform 71 from shifting or shaking during loading, and further ensuring the stability of the calibration process.

[0050] By rotating the threaded rod 82, the height and level of the slide rail 51 can be adjusted to adapt to different installation sites and calibration requirements, ensuring the installation accuracy and calibration effect of the entire device.

[0051] The working principle of the calibration device for a kiloton-level six-component load cell provided by this invention is as follows:

[0052] When calibrating a kiloton-level six-component load cell, the sensor is first placed on top of the moving platform 71. Due to the rolling connection between the roller 72 and the slide rail 51, the operator can easily push the moving platform 71 to slide smoothly along the slide rail 51. When the moving platform 71 moves directly under the loading fixture 4, it stops moving. At this time, the drive telescopic component 73 is activated, causing it to extend. The pad 74 contacts the base plate 1, providing additional support for the moving platform 71. This not only prevents the moving platform 71 from shaking but also limits its movement. Then, the loading component 2 is activated. The moving end of the loading component 2 pushes the rotating block 32, which rotates within the rotating seat 31. This, in turn, causes the loading fixture 4 to apply forces and torques of different directions and magnitudes to the kiloton-level six-component load cell, simulating the force conditions of the sensor in actual operation.

[0053] Compared with related technologies, the calibration device for a six-component load sensor with a capacity of thousands of tons provided by the present invention has the following beneficial effects:

[0054] By having the support component 1, loading component 2, loading fixture 4, guide component 5, and moving component 7 work together, the operator only needs to place the thousand-ton-class six-component load sensor to be calibrated on top of the moving platform 71, then push the moving platform 71 until the thousand-ton-class six-component load sensor is moved to the bottom of the loading fixture 4. Then, the loading component 2 pushes the loading fixture 4 to calibrate the thousand-ton-class six-component load sensor. No other transfer equipment is required, which simplifies the operation process and improves work efficiency.

[0055] Second Embodiment

[0056] Please refer to the following: Figure 6 Based on the first embodiment of this application which provides a calibration device for a six-component load cell with a capacity of 1,000 tons, the second embodiment of this application proposes another calibration device for a six-component load cell with a capacity of 1,000 tons. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0057] Specifically, the second embodiment of this application provides a different calibration device for a kiloton-level six-component load sensor, which further includes a drive assembly 6. The drive assembly 6 includes a drive component 61, a reduction gearbox 62, and a lead screw 63. The reduction gearbox 62 is fixedly installed on one side of a connecting plate 52. The output end of the drive component 61 and the input end of the reduction gearbox 62 are fixedly installed. One end of the lead screw 63 is fixedly installed on the output end of the reduction gearbox 62.

[0058] A movable block 75 is provided on the outer side of the lead screw 63, and the movable block 75 is fixedly installed on the bottom of the mobile platform 71.

[0059] Both ends of the movable block 75 are slidably connected to slide rods 53, and the two ends of the slide rods 53 are respectively fixedly installed in the middle of the two connecting plates 52.

[0060] The working principle of the calibration device for a kiloton-level six-component load cell provided by this invention is as follows:

[0061] When calibrating a six-component load cell of a thousand-ton level, the sensor is first placed on the moving platform 71, and the drive unit 61 is started. The drive unit 61 drives the reduction gearbox 62 to work, and the reduction gearbox 62 drives the lead screw 63 to rotate. The rotation of the lead screw 63 drives the moving block 75 to move, which in turn causes the moving platform 71 to move along the slide rail 51 until the moving platform 71 is moved directly under the loading fixture 4 and then stops.

[0062] Compared with related technologies, the calibration device for a six-component load sensor with a capacity of thousands of tons provided by the present invention has the following beneficial effects:

[0063] Through the cooperation of the drive component 6, the moving block 75 and the slide bar 53, the sensor can be automatically moved to the bottom of the loading fixture 4 by the drive component 61 during use, realizing the automated movement of the moving platform 71, making the operation more labor-saving and precise.

[0064] Third Embodiment

[0065] Please refer to the following: Figure 7 Based on the first embodiment of this application which provides a calibration device for a six-component load cell with a capacity of 1,000 tons, the third embodiment of this application proposes another calibration device for a six-component load cell with a capacity of 1,000 tons. The third embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the separate implementation of the first embodiment.

[0066] Specifically, the third embodiment of this application provides a different calibration device for a kiloton-level six-component load sensor, which further includes a drive motor 9. The output end of the drive motor 9 is fixedly mounted with a bidirectional threaded rod 91. Both ends of the outer side of the bidirectional threaded rod 91 are threadedly connected to clamping plates 92. A rubber pad 93 is fixedly mounted on one side of the clamping plate 92.

[0067] The top of the mobile platform 71 is provided with a slide groove 94, the drive motor 9 is fixedly installed on one side of the mobile platform 71, one end of the bidirectional threaded rod 91 is rotatably connected to one side of the inner side of the slide groove 94, and the bottom of the clamping plate 92 is slidably connected to the inner side of the slide groove 94.

[0068] The working principle of the calibration device for a kiloton-level six-component load cell provided by this invention is as follows:

[0069] When calibrating a six-component load cell with a capacity of thousands of tons, the sensor is placed on the moving platform 71, and the drive motor 9 is started. The drive motor 9 drives the bidirectional threaded rod 91 to rotate, causing the clamping plates 92 to move towards each other and clamp the sensor.

[0070] Compared with related technologies, the calibration device for a six-component load sensor with a capacity of thousands of tons provided by the present invention has the following beneficial effects:

[0071] By setting up a clamping structure consisting of a drive motor 9, a bidirectional threaded rod 91, and a clamping plate 92, the sensor can be quickly and stably fixed before calibration, avoiding the sensor's position change from affecting the calibration results during the loading calibration process, thus improving the accuracy and reliability of the calibration.

[0072] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A calibration device for a six-component load cell with a capacity of 1,000 tons, characterized in that, include: A support assembly includes a base plate, a first support frame, a second support frame, and a support plate. The first support frame is fixedly installed at both ends of the top of the base plate, the second support frame is fixedly installed at both sides of the top of the base plate, and the support plate is fixedly installed at both ends of one side of a second support frame. Six loading components, which are respectively connected to two first support frames, two second support frames and two support plates; A loading fixture is provided on the mobile end of the six loading components; A guide assembly is disposed on the top of the base plate. The guide assembly includes two slide rails and two connecting plates. The two slide rails are fixedly installed on the top of the base plate, and the two connecting plates are respectively fixedly installed at both ends in the middle of the two slide rails. A movable component is disposed on the top of the slide rail. The movable component includes a movable platform and rollers. The rollers are fixedly installed around the bottom of the movable platform and are rotatably connected to the inner side of the slide rail.

2. The calibration device for a kiloton-class six-component load cell according to claim 1, characterized in that, Each of the six loading components has a rotating component at its moving end. The rotating component includes a rotating seat and a rotating block. The rotating block is rotatably connected to the inner side of the rotating seat. The rotating seat and the loading fixture are fixedly installed. The rotating block and the moving end of the loading component are fixedly installed.

3. The calibration device for a kiloton-class six-component load cell according to claim 1, characterized in that, The mobile platform is also fixedly installed around its bottom, and a pad is fixedly installed on the moving end of the drive telescopic component.

4. The calibration device for a kiloton-class six-component load cell according to claim 1, characterized in that, An adjustment assembly is fixedly installed at the bottom of both slide rails.

5. A calibration device for a kiloton-class six-component load cell according to claim 4, characterized in that, The adjusting assembly includes a threaded sleeve, a threaded rod, and a contact plate. The top of the threaded sleeve is fixedly installed on the bottom of the slide rail, the threaded rod is threadedly connected to the inner side of the threaded sleeve, and the contact plate is fixedly installed on the bottom of the threaded rod.

6. The calibration device for a kiloton-class six-component load cell according to claim 1, characterized in that, It also includes a drive assembly, which includes a drive component, a reduction gearbox, and a lead screw. The reduction gearbox is fixedly installed on one side of one of the connecting plates. The output end of the drive component and the input end of the reduction gearbox are fixedly installed. One end of the lead screw is fixedly installed on the output end of the reduction gearbox.

7. A calibration device for a kiloton-class six-component load cell according to claim 6, characterized in that, A movable block is provided on the outer side of the lead screw, and the movable block is fixedly installed on the bottom of the mobile platform.

8. A calibration device for a kiloton-class six-component load cell according to claim 7, characterized in that, Both ends of the movable block are slidably connected to sliding rods, and the two ends of the sliding rods are respectively fixedly installed in the middle of the two connecting plates.

9. A calibration device for a kiloton-class six-component load cell according to claim 1, characterized in that, It also includes a drive motor, the output end of which is fixedly mounted with a bidirectional threaded rod, both ends of which are threadedly connected to clamping plates, and a rubber pad is fixedly mounted on one side of the clamping plate.

10. A calibration device for a kiloton-class six-component load cell according to claim 9, characterized in that, The top of the mobile platform is provided with a sliding groove, the drive motor is fixedly installed on one side of the mobile platform, one end of the bidirectional threaded rod is rotatably connected to one side of the inner side of the sliding groove, and the bottom of the clamping plate is slidably connected to the inner side of the sliding groove.

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