A complex curved surface contact type measuring point device

Abstract

The utility model relates to the technical field of curved surface contact type measuring point device, and disclose a kind of complex curved surface contact type measuring point device, comprising: measuring point support frame, vacuum adsorption disc, electric lifting assembly and contact probe, the bottom fixed connection fixed support platform of measuring point support frame, the top surface fixed connection vacuum adsorption disc of fixed support platform, the top surface of fixed support platform is rectangular equidistant distribution, the top of measuring point support frame is electrically set lifting assembly, the bottom of electric lifting assembly is set contact probe;Position adjusting assembly between measuring point support frame and electric lifting assembly is set;Flexible measuring head component between electric lifting assembly and contact probe is set, the utility model is fixed workpiece by vacuum adsorption disc, longitudinal and transverse position adjusting assembly accurately moves probe, flexible measuring head component self-adapting curved surface and control pressure, realize complex curved surface efficient nondestructive high-precision measurement.

Description

Technical Field

[0001] This utility model relates to the technical field of curved surface contact measuring devices, specifically a complex curved surface contact measuring device. Background Technology

[0002] In aerospace, automotive manufacturing, and precision mold making, the machining accuracy of complex curved surface workpieces (such as turbine blades, engine blocks, and high-precision molds) directly affects equipment performance and service life. Although traditional contact measurement methods (such as coordinate measuring machines) have high accuracy, they exhibit significant limitations when dealing with complex structures such as abrupt curvature changes, deep grooves, and bosses: First, rigid probes cannot adapt to rapid changes in the surface normal vector, and the fixed probe posture often causes the contact point to deviate from the theoretical position, resulting in measurement blind spots; Second, the rigid contact between the probe and the workpiece easily causes surface scratches, especially for soft materials such as aluminum alloys and titanium alloys, where the risk of damage is significant; Fourth, manual intervention or preset paths are difficult to match the actual shape of the curved surface, and data acquisition errors can reach ±0.05mm or more, which cannot meet the micron-level accuracy requirements. With the upgrading of workpiece tolerance control in intelligent manufacturing, traditional devices can no longer meet the requirements for efficient, non-destructive, and high-precision measurement. Therefore, we propose a complex curved surface contact measurement device. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a complex curved surface contact measuring device, which solves the aforementioned problems.

[0004] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0005] A complex curved surface contact measuring device includes:

[0006] The measuring point support frame includes a vacuum adsorption plate, an electric lifting assembly, and a contact probe. The bottom of the measuring point support frame is fixedly connected to a fixed support platform, and the top surface of the fixed support platform is fixedly connected to a vacuum adsorption plate. The vacuum adsorption plates are distributed in a rectangular and equidistant manner on the top surface of the fixed support platform. An electric lifting assembly is installed at the top of the measuring point support frame, and a contact probe is installed at the bottom of the electric lifting assembly.

[0007] A position adjustment component is installed between the measuring point support frame and the electric lifting assembly, the position adjustment component being composed of a longitudinal position adjustment component and a lateral position adjustment component;

[0008] A flexible probe assembly is disposed between an electric lifting assembly and a contact probe. The bottom surface of the electric lifting assembly is fixedly connected to a sliding sleeve, and the flexible probe assembly is disposed on the inner side of the sliding sleeve.

[0009] Preferably, the longitudinal position adjustment assembly includes a longitudinal rotation spindle, a longitudinal axis drive motor, a longitudinal synchronous belt, a synchronous pulley, and a longitudinal sliding support rod. A motor support platform is fixedly connected to the top surface of the measuring point support frame, and a rotating support platform is fixedly connected to the top surface of the measuring point support frame. The rotating support platforms are distributed in a rectangular equidistant pattern on the top surface of the measuring point support frame. The rotating support platforms and the motor support platforms are used to provide installation support positions for the longitudinal position adjustment assembly.

[0010] Preferably, a longitudinal axis drive motor is fixedly connected to the top surface of the motor support platform. The longitudinal axis drive motors are distributed longitudinally at equal intervals on the top surface of the motor support platform. The output shaft of the longitudinal axis drive motor is fixedly connected to a longitudinal rotating main shaft. The longitudinal rotating main shaft is rotatably connected to the inner side of the rotating support platform. A synchronous pulley is fixedly connected to the outer side of the longitudinal rotating main shaft. The synchronous pulleys are distributed laterally at equal intervals on the outer side of the longitudinal rotating main shaft. A longitudinal synchronous belt is meshed with the outer side of the synchronous pulley. A longitudinal sliding support rod is slidably connected to the top surface of the measuring point support frame. The longitudinal synchronous belt and the longitudinal sliding support rod are fixedly connected.

[0011] Preferably, the lateral position adjustment assembly includes a lateral moving slider, a synchronous pulley, a lateral synchronous belt, a lateral rotating main shaft, a lateral shaft drive motor, and a lateral support shaft. A motor mounting platform is fixedly connected to the side of the longitudinal sliding support rod, and a shaft support platform is fixedly connected to the bottom surface of the longitudinal sliding support rod. The shaft support platforms are equidistantly distributed laterally on the bottom surface of the longitudinal sliding support rod. The longitudinal sliding support rod is used to provide a support mounting position for the lateral position adjustment assembly.

[0012] Preferably, a horizontal shaft drive motor is fixedly connected to the bottom surface of the motor mounting platform on the side of the longitudinal sliding support rod. The output shaft of the horizontal shaft drive motor is fixedly connected to a transverse rotation main shaft. A transverse rotation main shaft is rotatably connected to the inner side of the rotating shaft support platform on the bottom surface of the longitudinal sliding support rod. A transverse support rotating shaft is rotatably connected to the inner side of the rotating shaft support platform on the other side of the bottom surface of the longitudinal sliding support rod. A synchronous pulley is fixedly connected to the outer side of the transverse rotation main shaft and the transverse support rotating shaft. A transverse synchronous belt is meshed with the outer side of the synchronous pulley. A transverse moving slider is slidably connected to the bottom surface of the longitudinal sliding support rod. A transverse synchronous belt is fixedly connected to the inner side of the transverse moving slider. An electric lifting assembly is fixedly connected to the bottom surface of the transverse moving slider. A flexible detection assembly is provided on the bottom surface of the electric lifting assembly.

[0013] Preferably, the flexible detection component includes a silicone sleeve, a sliding sleeve, a contact probe, a sliding rod, and a pressure sensor. The bottom surface of the electric lifting component is fixedly connected to the sliding sleeve, the inner side of the sliding sleeve is fixedly connected to the pressure sensor, the bottom surface of the pressure sensor is slidably connected to the sliding rod, the inner side of the sliding sleeve is slidably connected to the sliding rod, the bottom surface of the sliding rod is fixedly connected to the contact probe, and the outer side of the contact probe is fixedly connected to the silicone sleeve.

[0014] Compared with the prior art, the advantages of this utility model are:

[0015] A complex curved surface contact measuring device is provided, which has the following advantages:

[0016] This invention achieves high-precision, non-destructive measurement of complex curved surfaces through multi-component collaboration. The vacuum adsorption plate firmly adsorbs the workpiece, preventing workpiece movement during measurement and ensuring measurement stability. The longitudinal and lateral position adjustment components, driven by a motor and synchronous belt, can accurately and quickly adjust the lateral and longitudinal positions of the contact probe, covering the entire area of ​​the complex curved surface and improving measurement efficiency. In the flexible probe component, the silicone sleeve and pressure sensor, together with the sliding rod, enable the contact probe to adapt to the curvature of the curved surface. The pressure sensor monitors the contact pressure in real time and provides feedback adjustment, controlling the pressure within a suitable range to ensure measurement accuracy while avoiding scratching the workpiece. The overall structure can meet the needs of intelligent manufacturing for high-precision, efficient, and non-destructive measurement of complex curved workpieces. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram showing the overall structure of this utility model disassembled;

[0019] Figure 3 This is a cross-sectional view of the overall structure of this utility model;

[0020] Figure 4 This is a cross-sectional schematic diagram of a portion of the longitudinal position adjustment component of this utility model.

[0021] In the diagram: 1. Measuring point support frame; 2. Complex curved panel; 3. Fixed support platform; 4. Vacuum adsorption plate; 5. Silicone wrapping sleeve; 6. Sliding sleeve; 7. Electric lifting assembly; 8. Lateral moving slider; 9. Longitudinal rotating spindle; 10. Longitudinal axis drive motor; 11. Longitudinal synchronous belt; 12. Synchronous pulley; 13. Longitudinal sliding support rod; 14. Lateral synchronous belt; 15. Rotating support platform; 16. Motor support platform; 17. Contact probe; 18. Sliding rod; 19. Pressure sensor; 20. Lateral rotating spindle; 21. Horizontal axis drive motor; 22. Lateral support shaft. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] A complex curved surface contact measuring device includes:

[0025] The measuring point support frame 1, vacuum adsorption plate 4, electric lifting assembly 7 and contact probe 17 are provided. The bottom of the measuring point support frame 1 is fixedly connected to the fixed support platform 3, and the top surface of the fixed support platform 3 is fixedly connected to the vacuum adsorption plate 4. The vacuum adsorption plates 4 are distributed in a rectangular equidistant pattern on the top surface of the fixed support platform 3. The electric lifting assembly 7 is set at the top of the measuring point support frame 1, and the contact probe 17 is set at the bottom of the electric lifting assembly 7.

[0026] A position adjustment component is installed between the measuring point support frame 1 and the electric lifting assembly 7. The position adjustment component consists of a longitudinal position adjustment component and a lateral position adjustment component.

[0027] A flexible probe assembly is disposed between the electric lifting assembly 7 and the contact probe 17. The bottom surface of the electric lifting assembly 7 is fixedly connected to a sliding sleeve 6, and the flexible probe assembly is disposed on the inner side of the sliding sleeve 6.

[0028] Furthermore, the longitudinal position adjustment assembly includes a longitudinal rotation spindle 9, a longitudinal axis drive motor 10, a longitudinal synchronous belt 11, a synchronous pulley 12, and a longitudinal sliding support rod 13. A motor support platform 16 is fixedly connected to the top surface of the measuring point support frame 1, and a rotating support platform 15 is fixedly connected to the top surface of the measuring point support frame 1. The rotating support platforms 15 are distributed in a rectangular equidistant pattern on the top surface of the measuring point support frame 1. The rotating support platforms 15 and the motor support platforms 16 are used to provide installation support positions for the longitudinal position adjustment assembly.

[0029] Furthermore, a longitudinal drive motor 10 is fixedly connected to the top surface of the motor support platform 16. The longitudinal drive motors 10 are distributed longitudinally at equal intervals on the top surface of the motor support platform 16. The output shaft of the longitudinal drive motor 10 is fixedly connected to a longitudinal rotating main shaft 9. The longitudinal rotating main shaft 9 is rotatably connected to the inner side of the rotating support platform 15. A synchronous pulley 12 is fixedly connected to the outer side of the longitudinal rotating main shaft 9. The synchronous pulleys 12 are distributed laterally at equal intervals on the outer side of the longitudinal rotating main shaft 9. A longitudinal synchronous belt 11 is meshed with the outer side of the synchronous pulley 12. A longitudinal sliding support rod 13 is slidably connected to the top surface of the measuring point support frame 1. The longitudinal synchronous belt 11 and the longitudinal sliding support rod 13 are fixedly connected. Through the action of the longitudinal position adjustment component, the longitudinal position of the contact probe 17 can be quickly adjusted.

[0030] Furthermore, the lateral position adjustment assembly includes a lateral moving slider 8, a synchronous pulley 12, a lateral synchronous belt 14, a lateral rotating main shaft 20, a lateral shaft drive motor 21, and a lateral support rotating shaft 22. A motor mounting platform is fixedly connected to the side of the longitudinal sliding support rod 13, and a rotating shaft support platform is fixedly connected to the bottom surface of the longitudinal sliding support rod 13. The rotating shaft support platforms are equidistantly distributed laterally on the bottom surface of the longitudinal sliding support rod 13. The longitudinal sliding support rod 13 is used to provide a support mounting position for the lateral position adjustment assembly.

[0031] Furthermore, a horizontal axis drive motor 21 is fixedly connected to the bottom surface of the motor mounting platform on the side of the longitudinal sliding support rod 13. The output shaft of the horizontal axis drive motor 21 is fixedly connected to a horizontal rotation main shaft 20. The inner side of the rotating shaft support platform on the bottom surface of the longitudinal sliding support rod 13 is rotatably connected to the horizontal rotation main shaft 20. The inner side of the rotating shaft support platform on the other side of the bottom surface of the longitudinal sliding support rod 13 is rotatably connected to a horizontal support shaft 22. A synchronous pulley 12 is fixedly connected to the outer side of the horizontal rotation main shaft 20 and the horizontal support shaft 22. A horizontal synchronous belt 14 is meshed with the outer side of the synchronous pulley 12. A horizontal moving slider 8 is slidably connected to the bottom surface of the longitudinal sliding support rod 13. A horizontal synchronous belt 14 is fixedly connected to the inner side of the horizontal moving slider 8. An electric lifting assembly 7 is fixedly connected to the bottom surface of the horizontal moving slider 8. A flexible detection assembly is provided on the bottom surface of the electric lifting assembly 7. Through the action of the horizontal position adjustment assembly, the horizontal position of the contact probe 17 can be quickly adjusted.

[0032] Furthermore, the flexible detection component includes a silicone sleeve 5, a sliding sleeve 6, a contact probe 17, a sliding rod 18, and a pressure sensor 19. The sliding sleeve 6 is fixedly connected to the bottom surface of the electric lifting component 7. The pressure sensor 19 is fixedly connected to the inner side of the sliding sleeve 6. The sliding rod 18 is slidably connected to the bottom surface of the pressure sensor 19. The sliding rod 18 is slidably connected to the inner side of the sliding sleeve 6. The contact probe 17 is fixedly connected to the bottom surface of the sliding rod 18. The silicone sleeve 5 is fixedly connected to the outer side of the contact probe 17. Through the action of the flexible detection component, flexible detection of the contact probe 17 is achieved. The pressure sensor 19 is a FlexiForce A201 pressure sensor. The pressure sensor 19 monitors the pressure of the contact surface in real time and makes adjustments in real time.

[0033] Structural Description:

[0034] Measuring point support frame 1: The bottom is fixedly connected to the fixed support platform 3, and the top is equipped with an electric lifting component 7, which is used to support the entire measuring device and provide an installation base for the position adjustment component;

[0035] Fixed support platform 3: Fixed to the bottom of measuring point support frame 1, with rectangular vacuum adsorption plates 4 evenly distributed on the top surface, used to install the vacuum adsorption plates and support the measuring point support frame;

[0036] Vacuum adsorption plate 4: Fixed to the top surface of the fixed support platform 3, it fixes the workpiece by adsorption force to prevent the workpiece from shaking during measurement and ensure measurement stability;

[0037] Electric lifting assembly 7: The bottom is connected to the contact probe 17, which can drive the probe to rise and fall, so as to realize the contact and separation between the probe and the workpiece surface;

[0038] Contact probe 17: The outer side is wrapped with a silicone sleeve 5, and the bottom surface is connected to the pressure sensor 19 through a sliding rod 18, which is used to contact the workpiece surface for measurement;

[0039] Longitudinal rotating main shaft 9: Driven to rotate by longitudinal axis drive motor 10, with synchronous pulley 12 fixed on the outer side, and driven longitudinal sliding support rod 13 to move longitudinally through longitudinal synchronous belt 11;

[0040] Longitudinal axis drive motor 10: fixed to the top surface of motor support platform 16, with output shaft connected to longitudinal rotation main shaft 9, providing power for longitudinal position adjustment;

[0041] Longitudinal synchronous belt 11: meshes with the outer side of synchronous pulley 12 and is fixedly connected to longitudinal sliding support rod 13, driving the longitudinal sliding support rod to move longitudinally;

[0042] Synchronous pulley 12: Fixed to the outside of the longitudinal rotating main shaft 9 and the transverse rotating main shaft 20, used for synchronous belt drive to realize power transmission;

[0043] Longitudinal sliding support rod 13: slides on the top surface of measuring point support frame 1, and a lateral position adjustment component is installed on the bottom surface for longitudinal position adjustment and to support the lateral position adjustment component;

[0044] Motor support platform 16: fixed to the top surface of measuring point support frame 1, used to install longitudinal axis drive motor 10;

[0045] Rotating support platform 15: fixed to the top surface of measuring point support frame 1, and rotatably connected to the longitudinal rotating main shaft 9 on the inner side, providing support for the longitudinal rotating main shaft;

[0046] Lateral sliding slider 8: slides on the bottom surface of longitudinal sliding support rod 13, with a lateral synchronous belt 14 fixed on the inner side and an electric lifting assembly 7 connected to the bottom surface for lateral position adjustment;

[0047] Transverse synchronous belt 14: meshes with the outer side of synchronous pulley 12 and is fixedly connected to transverse moving slider 8, driving the transverse moving slider to move laterally;

[0048] Horizontal rotation main shaft 20: driven by horizontal shaft drive motor 21, with synchronous pulley 12 fixed on the outside, and horizontal moving slider 8 is driven to move horizontally through horizontal synchronous belt 14;

[0049] Horizontal axis drive motor 21: Fixed to the motor mounting platform on the side of the longitudinal sliding support rod 13, the output shaft is connected to the transverse rotation main shaft 20 to provide power for transverse position adjustment;

[0050] Lateral support shaft 22: Rotatably connected to the bottom shaft support platform of the longitudinal sliding support rod 13, with a synchronous pulley 12 fixed on the outside, and auxiliary transmission via the lateral synchronous belt 14;

[0051] Sliding sleeve 6: Fixed to the bottom surface of electric lifting assembly 7, with sliding rod 18 slidably connected to the inner side, fixing pressure sensor 19, and used to install flexible probe assembly;

[0052] Sliding rod 18: slides inside sliding sleeve 6, with pressure sensor 19 connected to the top surface and contact probe 17 fixed to the bottom surface to transmit contact pressure;

[0053] Pressure sensor 19: Fixed inside the sliding sleeve 6, with its bottom surface slidably connected to the sliding rod 18, it monitors the contact pressure in real time and provides feedback for adjustment;

[0054] Silicone sleeve 5: Wrapped around the outside of the contact probe 17 to make the probe adapt to the curvature of the surface and avoid scratching the workpiece;

[0055] Working principle: When this utility model is needed, the workpiece is fixed by the vacuum adsorption plate 4 to ensure that the workpiece is stable and does not shake during measurement. Then, the longitudinal axis drive motor 10 drives the longitudinal rotating main shaft 9 to rotate. Through the synchronous pulley 12 and the longitudinal synchronous belt 11, the longitudinal sliding support rod 13 moves longitudinally on the top surface of the measuring point support frame 1, realizing the longitudinal position adjustment of the contact probe 17. At the same time, the transverse axis drive motor 21 drives the transverse rotating main shaft 20 to rotate. Through the synchronous pulley 12 and the transverse synchronous belt 14, the transverse moving slider 8 moves laterally on the bottom surface of the longitudinal sliding support rod 13, completing the transverse position adjustment of the probe, thereby covering the entire curved surface area. During measurement, the electric lifting component 7 drives the probe to descend. When it contacts the curved surface, the sliding rod 18 slides in the sliding sleeve 6. The pressure sensor 19 monitors the contact pressure in real time. The silicone sleeve 5 makes the probe adapt to the curvature of the curved surface. When the pressure exceeds the range, feedback adjustment is made to ensure accurate measurement under appropriate pressure.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A complex curved surface contact measuring device, characterized in that, include: The measuring point support frame (1), vacuum adsorption plate (4), electric lifting assembly (7) and contact probe (17) are provided. The bottom of the measuring point support frame (1) is fixedly connected to the fixed support platform (3), and the top surface of the fixed support platform (3) is fixedly connected to the vacuum adsorption plate (4). The vacuum adsorption plates (4) are distributed in a rectangular equidistant pattern on the top surface of the fixed support platform (3). The electric lifting assembly (7) is provided at the top of the measuring point support frame (1), and the contact probe (17) is provided at the bottom of the electric lifting assembly (7). A position adjustment component is provided between the measuring point support frame (1) and the electric lifting assembly (7), the position adjustment component being composed of a longitudinal position adjustment component and a transverse position adjustment component; A flexible probe assembly is disposed between the electric lifting assembly (7) and the contact probe (17). The bottom surface of the electric lifting assembly (7) is fixedly connected to a sliding sleeve (6), and the flexible probe assembly is disposed on the inner side of the sliding sleeve (6).

2. The complex curved surface contact measuring device according to claim 1, characterized in that, The longitudinal position adjustment assembly includes a longitudinal rotation spindle (9), a longitudinal axis drive motor (10), a longitudinal synchronous belt (11), a synchronous pulley (12), and a longitudinal sliding support rod (13). A motor support platform (16) is fixedly connected to the top surface of the measuring point support frame (1), and a rotating support platform (15) is fixedly connected to the top surface of the measuring point support frame (1). The rotating support platforms (15) are distributed in a rectangular equidistant pattern on the top surface of the measuring point support frame (1). The rotating support platforms (15) and the motor support platforms (16) are used to provide installation support positions for the longitudinal position adjustment assembly.

3. The complex curved surface contact measuring device according to claim 2, characterized in that, A longitudinal drive motor (10) is fixedly connected to the top surface of the motor support platform (16). The longitudinal drive motors (10) are distributed longitudinally at equal intervals on the top surface of the motor support platform (16). The output shaft of the longitudinal drive motor (10) is fixedly connected to a longitudinal rotating main shaft (9). The inner side of the rotating support platform (15) is rotatably connected to the longitudinal rotating main shaft (9). A synchronous pulley (12) is fixedly connected to the outer side of the longitudinal rotating main shaft (9). The synchronous pulleys (12) are distributed laterally at equal intervals on the outer side of the longitudinal rotating main shaft (9). A longitudinal synchronous belt (11) is meshed with the outer side of the synchronous pulley (12). A longitudinal sliding support rod (13) is slidably connected to the top surface of the measuring point support frame (1). The longitudinal synchronous belt (11) and the longitudinal sliding support rod (13) are fixedly connected.

4. The complex curved surface contact measuring device according to claim 3, characterized in that, The lateral position adjustment assembly includes a lateral moving slider (8), a synchronous pulley (12), a lateral synchronous belt (14), a lateral rotating main shaft (20), a lateral axis drive motor (21), and a lateral support rotating shaft (22). A motor mounting platform is fixedly connected to the side of the longitudinal sliding support rod (13), and a rotating shaft support platform is fixedly connected to the bottom surface of the longitudinal sliding support rod (13). The rotating shaft support platforms are laterally equidistantly distributed on the bottom surface of the longitudinal sliding support rod (13). The longitudinal sliding support rod (13) is used to provide a support installation position for the lateral position adjustment assembly.

5. The complex curved surface contact measuring device according to claim 4, characterized in that, A horizontal shaft drive motor (21) is fixedly connected to the bottom surface of the motor mounting platform on the side of the longitudinal sliding support rod (13). The output shaft of the horizontal shaft drive motor (21) is fixedly connected to a horizontal rotation main shaft (20). The inner side of the rotating shaft support platform on the bottom surface of the longitudinal sliding support rod (13) is rotatably connected to the horizontal rotation main shaft (20). The inner side of the rotating shaft support platform on the other side of the bottom surface of the longitudinal sliding support rod (13) is rotatably connected to a horizontal support rotating shaft (22). A synchronous pulley (12) is fixedly connected to the outer side of the horizontal rotation main shaft (20) and the horizontal support rotating shaft (22). A horizontal synchronous belt (14) is meshed with the outer side of the synchronous pulley (12). A horizontal moving slider (8) is slidably connected to the bottom surface of the longitudinal sliding support rod (13). A horizontal synchronous belt (14) is fixedly connected to the inner side of the horizontal moving slider (8). An electric lifting assembly (7) is fixedly connected to the bottom surface of the horizontal moving slider (8). A flexible detection assembly is provided on the bottom surface of the electric lifting assembly (7).

6. The complex curved surface contact measuring device according to claim 5, characterized in that, The flexible detection assembly includes a silicone sleeve (5), a sliding sleeve (6), a contact probe (17), a sliding rod (18), and a pressure sensor (19). The bottom surface of the electric lifting assembly (7) is fixedly connected to the sliding sleeve (6). The inner side of the sliding sleeve (6) is fixedly connected to the pressure sensor (19). The bottom surface of the pressure sensor (19) is slidably connected to the sliding rod (18). The inner side of the sliding sleeve (6) is slidably connected to the sliding rod (18). The bottom surface of the sliding rod (18) is fixedly connected to the contact probe (17). The outer side of the contact probe (17) is fixedly connected to the silicone sleeve (5).

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