Portable valve sealing surface automatic grinding device based on optical detection

Abstract

The invention relates to the technical field of grinding equipment, and discloses a portable valve sealing surface automatic grinding device based on optical detection, which comprises a base, a main body base is arranged on the base, and the main body base is rotatably connected with the base through a rotating piece; the grinding assembly comprises a sealing face angle detection module, a sealing face surface damage detection module and a sealing face grinding module, and the sealing face angle detection module, the sealing face surface damage detection module and the sealing face grinding module are detachably connected with the main body base. The sealing face angle detection module, the sealing face surface damage detection module and the sealing face grinding module are sequentially used for achieving sealing face angle detection, sealing face surface damage optical detection and sealing face grinding of the valve sealing face. Working parameters in the grinding process are reasonably controlled according to different damage characteristics and damage degrees, the accuracy of grinding operation is improved, modular design and lightweight materials are adopted as a whole, and the portability of field operation is improved.

Description

Technical Field

[0001] The invention relates to the technical field of grinding equipment, and in particular to a portable automatic grinding device for valve sealing surfaces based on optical detection. Background Art

[0002] Valves are important components in fluid delivery systems and are used to control the flow direction of fluids. Due to the high pressure in the process of controlling fluids, high sealing requirements are placed on valves. Therefore, during valve maintenance, it is necessary to perform precision grinding on the valve sealing surface.

[0003] In the prior art, the grinding of valve sealing surfaces is mostly performed by manually controlling equipment to perform grinding and judge the grinding effect, resulting in poor accuracy in the grinding of the valve sealing surfaces. In addition, the existing grinding devices are mostly integrated structures, and the equipment is complex and not light, inconvenient to use and has poor adaptability.

[0004] Therefore, there is an urgent need for a portable automatic valve sealing surface grinding device based on optical detection to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a portable automatic valve sealing surface grinding device based on optical detection to solve the problems existing in the above-mentioned prior art.

[0006] To achieve the above object, the present invention provides the following solution: The present invention provides a portable automatic grinding device for valve sealing surface based on optical detection, comprising:

[0007] A base, wherein a main body base is arranged on the base, and the main body base is rotatably connected to the base via a rotating member;

[0008] A grinding assembly includes a sealing surface angle detection module, a sealing surface surface damage detection module and a sealing surface grinding module, wherein the sealing surface angle detection module, the sealing surface surface damage detection module and the sealing surface grinding module are respectively detachably connected to the main body base, and are configured to realize sealing surface angle detection, optical detection of sealing surface surface damage and sealing surface grinding of the valve sealing surface by using the sealing surface angle detection module, the sealing surface surface damage detection module and the sealing surface grinding module in sequence.

[0009] Preferably, the sealing surface angle detection module includes a base connection support, which is detachably connected to the main base. A lifting rod is slidably connected to the base connection support. The bottom end of the lifting rod is fixedly connected with a sensor position adjustment bracket. An infrared ranging module is arranged on the sensor position adjustment bracket, and the infrared ranging module is used to collect the facing distance of the valve sealing surface. An AD acquisition module and a gyroscope are arranged on the lifting rod, and the AD acquisition module is used to collect the data of the infrared ranging module and the gyroscope.

[0010] Preferably, the sealing surface surface damage detection module includes a base connection support, which is detachably connected to the main base. A lifting rod is slidably connected to the base connection support. The bottom end of the lifting rod is connected with a sensor winding module through an angle adjustment module. A flatness detection sensor is fixedly connected to the sensor winding module, and the flatness detection sensor is used to collect the image and data of the valve sealing surface.

[0011] Preferably, the sealing surface grinding module includes a base connection support, which is detachably connected to the main base. A lifting rod is slidably connected to the base connection support. A grinding rod is connected to the lifting rod through a grinding rod lifting mechanism. The bottom end of the grinding rod is connected with a grinding module through a grinding disc rotation module, and the grinding module is used to grind the valve sealing surface.

[0012] Preferably, the rotating part includes a rotating motor fixedly connected to the main base. A gear is fixedly connected to the output shaft of the rotating motor through a connecting shaft. A rack is fixedly connected to the top end of the base. The gear meshes with the rack. A slide rail is arranged on the base, and the pulley at the bottom of the main base is connected with the slide rail.

[0013] Preferably, a quick-release device female head is fixedly connected to the main base, and a quick-release device male head is fixedly connected to the base connection support. The quick-release device female head is adapted to the quick-release device male head.

[0014] Preferably, a lifting motor is arranged on the main base, and a lifting rack is arranged on the lifting rod. The lifting rack meshes with the gear on the lifting motor.

[0015] Preferably, a zero position locking device is arranged on the base connection support, and the zero position locking device is used to separate / lock the lifting rod.

[0016] Preferably, a reaction linear motor and a reaction pull rod are provided on the main body base. The reaction pull rod is connected to the reaction linear motor and is used to provide a reaction force to the grinding module. A pressure adjustment meter is provided on the main body base, and the pressure adjustment meter is used to monitor the pressure of the grinding module on the valve sealing surface.

[0017] Preferably, a three-dimensional profiler driver and a quick-connect aviation plug are provided on the main body base. The flatness detection sensor transmits data to the three-dimensional profiler driver through a connecting wire, and the quick-connect aviation plug is used to connect to a remote control module for overall power supply and data transmission of the device.

[0018] Compared with the prior art, the present invention has the following advantages and technical effects:

[0019] A portable automatic grinding device for valve sealing surfaces based on optical detection provided by the present invention. The main body base is rotatably connected to the base through a rotating member. By sequentially arranging a sealing surface angle detection module, a sealing surface surface damage detection module, and a sealing surface grinding module on the main body base in a combined operation mode, through collecting and digitally analyzing the actual damage conditions of the valve sealing surface, scientifically setting the grinding operation parameters, realizing a fully automated process for each sub-operation process, so as to reduce the number of operators and lower the operation difficulty coefficient. The present invention is equipped with optical detection means, reasonably controls the working parameters of the grinding process according to different damage characteristics and degrees of damage, improves the accuracy of the valve sealing surface grinding operation. At the same time, the device adopts a modular and lightweight design, reduces the operation burden of the operator, enhances the precision, automation, and digitalization capabilities of the grinding operation, and has high portability and adaptability, which will greatly improve the efficiency and quality of the valve sealing surface grinding operation. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following described drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0021] Figure 1 It is a structural effect diagram of the flange surface fixed base of the present invention;

[0022] Figure 2 It is a structural effect diagram of the sealing surface angle detection module of the present invention;

[0023] Figure 3 It is a structural effect diagram of the sealing surface surface damage detection module;

[0024] Figure 4It is the structural effect diagram of the sealing surface grinding module;

[0025] Among them, 1. Pressure adjustment table; 2. 3D profiler driver; 3. Quick-connect aviation plug; 4. Rotary motor; 5. Main body base; 6. Lifting motor; 7. Female head of the quick-release device; 8. Structural reinforcing rib; 9. Rack; 10. Slide rail; 11. Base; 12. Reaction linear motor; 13. Reaction pull rod; 14. Male head of the quick-release device; 15. Lifting rack; 16. AD acquisition module; 17. Data transmission interface; 18. Gyroscope; 19. Sensor position adjustment bracket; 20. Infrared ranging module; 21. Zero position locking device; 22. Base connection support; 23. Support stability module; 24. Angle adjustment module; 25. Sensor wire winding module; 26. Flatness detection sensor; 27. Grinding rod lifting mechanism; 28. Grinding module; 29. Grinding disc rotation module; 30. Grinding rod. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Referring to Figures 1 - 4 , the present invention provides a portable valve sealing surface automatic grinding device based on optical detection, including:

[0029] A base 11, on which a main body base 5 is provided, and the main body base 5 is rotationally connected to the base 11 through a rotating member;

[0030] A grinding assembly, including a sealing surface angle detection module, a sealing surface surface damage detection module, and a sealing surface grinding module. The sealing surface angle detection module, the sealing surface surface damage detection module, and the sealing surface grinding module are respectively detachably connected to the main body base 5, and are configured to perform sealing surface angle detection, sealing surface surface damage optical detection, and sealing surface grinding on the valve sealing surface by sequentially using the sealing surface angle detection module, the sealing surface surface damage detection module, and the sealing surface grinding module.

[0031] In an embodiment of the present invention, the base 11 is arranged at the bottom of the overall module. There are several positioning ports on its surface, which are connected to the valve flange surface through positioning pins, providing a positioning and supporting function for the overall module. The main body base 5 is integrally processed from an integral aluminum block, and the two sides are hollowed out, featuring lightweight and high stability. It is used to drive and connect the sealing surface angle detection module, the sealing surface surface damage detection module, and the sealing surface grinding module. By sequentially arranging the sealing surface angle detection module, the sealing surface surface damage detection module, and the sealing surface grinding module on the main body base in a combined operation mode, through collecting and digitally analyzing the actual damage situation of the valve sealing surface, scientifically setting the grinding operation parameters, and realizing the full automation process of each sub-operation process, so as to reduce the number of operating personnel and lower the operation difficulty coefficient.

[0032] Specifically, the main body base 5 is also provided with a structural reinforcing rib 8 for ensuring the structural strength.

[0033] In a further optimized solution, the sealing surface angle detection module includes a base connection support 22. The base connection support 22 is detachably connected to the main body base 5. A lifting rod is slidably connected to the base connection support 22. The bottom end of the lifting rod is fixedly connected to a sensor position adjustment bracket 19. An infrared ranging module 20 is arranged on the sensor position adjustment bracket 19. The infrared ranging module 20 is used to collect the facing distance of the valve sealing surface. An AD acquisition module 16 and a gyroscope 18 are arranged on the lifting rod. The AD acquisition module 16 is used to collect the data of the infrared ranging module 20 and the gyroscope 18.

[0034] In an embodiment of the present invention, referring to Figure 2 , the gyroscope 18 is used to obtain the current actual coordinate value of the sealing surface angle detection module, providing a reference data value for angle calculation; the sensor position adjustment bracket 19 is arranged at the bottom end of the sealing surface angle detection module for fixing and adjusting the infrared ranging module 20; the infrared ranging module 20 is used to collect the facing distance of the valve sealing surface; the AD acquisition module 16 is used to collect the data of the infrared ranging module 20 and the gyroscope 18.

[0035] Specifically, the AD acquisition module 21 is also provided with a data transmission interface 17 for connecting the circuit.

[0036] In a further optimized solution, the sealing surface surface damage detection module includes a base connection support 22. The base connection support 22 is detachably connected to the main body base 5. A lifting rod is slidably connected to the base connection support 22. The bottom end of the lifting rod is connected to a sensor winding module 25 through an angle adjustment module 24. A flatness detection sensor 26 is fixedly connected to the sensor winding module 25. The flatness detection sensor 26 is used to collect the image and data of the valve sealing surface.

[0037] In an embodiment of the present invention, referring to Figure 3, a support and stability module 23 is also provided on the lifting rod, which is used to provide a lateral support force for the sealing surface surface damage detection module. At the same time, the support and stability module 23 can independently adjust the extension distance on one side to align the movement center of the flatness detection sensor with the center of the valve sealing surface; the angle adjustment module 24 is arranged on the sealing surface surface damage detection module, which is used to provide a pitch angle adjustment function for the flatness detection sensor; the sensor wire winding module 25, which is composed of a disk body, a torque spring, and a sliding pin block as a whole, is used to collect the connecting wires of the flatness detection sensor and at the same time is used to fix the flatness detection sensor 26; the flatness detection sensor 26 is used to collect images and data of the valve sealing surface.

[0038] In a further optimized solution, the sealing surface grinding module includes a base connection support 22, the base connection support 22 is detachably connected to the main body base 5, a lifting rod is slidably connected to the base connection support 22, a grinding rod 30 is connected to the lifting rod through a grinding rod lifting mechanism 27, the bottom end of the grinding rod 30 is connected to a grinding module 28 through a grinding disk rotation module 29, and the grinding module 28 is used to grind the valve sealing surface.

[0039] In an embodiment of the present invention, referring to Figure 4 , the grinding rod lifting mechanism 27 provides a lifting function for the grinding rod 30; the grinding disk rotation module 29, which is composed of a servo motor, is used to provide power output for the grinding module 28; the grinding module 28, which is composed of a grinding disk and a grinding wheel, is used for grinding the valve sealing surface.

[0040] In a further optimized solution, the rotating part includes a rotating motor 4 fixedly connected to the main body base 5, a gear is fixedly connected to the output shaft of the rotating motor 4 through a connecting shaft, a rack 9 is fixedly connected to the top end of the base 11, the gear meshes with the rack 9, a slide rail 10 is arranged on the base 11, and the pulley at the bottom of the main body base 5 is connected to the slide rail 10.

[0041] In an embodiment of the present invention, referring to Figure 1 , the titanium alloy rack 9 is arranged above the base 11 and meshes with the gear part of the rotating motor 4 to provide a rotating support force and rotation amount control for the main body base 5; the slide rail 10 is arranged in an arc shape above the base 11 and is connected to the pulley part at the bottom of the main body base 5, which is used to provide a support force and rotation guidance for the main body base 5.

[0042] In a further optimized solution, a quick-release device female head 7 is fixedly connected to the main body base 5, a quick-release device male head 14 is fixedly connected to the base connection support 22, and the quick-release device female head 7 is adapted to the quick-release device male head 14.

[0043] In an embodiment of the present invention, referring to Figure 2 , Figure 3 , Figure 4, the female connector 7 of the quick-release device is arranged at the upper end of the main body base 5, and is used to dock with the male connectors 14 of the sealing surface angle detection module, the sealing surface surface damage detection module and the sealing surface grinding module, providing a quick connection and locking function. The male connector 14 of the quick-release device is composed of two rotary quick-lock switches and is arranged at the top of the base connection support 22.

[0044] In a further optimized solution, a lifting motor 6 is arranged on the main body base 5, a lifting rack 15 is arranged on the lifting rod, and the lifting rack 15 meshes with the gear on the lifting motor 6.

[0045] In one embodiment of the present invention, referring to Figure 2 , Figure 3 , Figure 4 , the lifting motor 6 is arranged inside the main body base 5 and is used to provide lifting power for the sealing surface angle detection module, the sealing surface surface damage detection module and the sealing surface grinding module.

[0046] In a further optimized solution, a zero position locking device 21 is arranged on the base connection support 22, and the zero position locking device 21 is used to separate / lock the lifting rod.

[0047] In one embodiment of the present invention, referring to Figure 2 , Figure 3 , the zero position locking device 21 is provided to separate / lock the lifting rod.

[0048] In a further optimized solution, a reaction force linear motor 12 and a reaction force pull rod 13 are arranged on the main body base 5. The reaction force pull rod 13 is connected to the reaction force linear motor 12 and is used to provide a reaction force to the grinding module 28. A pressure adjustment meter 1 is arranged on the main body base 5, and the pressure adjustment meter 1 is used to monitor the pressure of the grinding module 28 on the valve sealing surface.

[0049] In a further optimized solution, a three-dimensional profiler driver 2 and a quick-insert aviation plug 3 are arranged on the main body base 5. The flatness detection sensor 26 transmits data to the three-dimensional profiler driver 2 through a connecting wire. The quick-insert aviation plug 3 is used to connect to a remote control module to supply power to the device as a whole and transmit data.

[0050] Specifically, the zero position locking device 21 realizes quick locking through plugging operation during use. The support stability module 23 utilizes a rotating link structure, and the telescopic length of the link is realized by the rotation of the motor. This device is mainly used to provide a certain support force to eliminate the vibration interference caused by the motor during rotation detection and grinding. The angle adjustment module 24 is controlled by a motor and is connected to a sensor to enable the detection device and the object to be measured to be on the same horizontal plane. The sensor wire winding module 25 is composed of structures such as a return spring and a turntable to prevent wire winding during the working process.

[0051] A portable automatic grinding device for valve sealing surfaces based on optical detection. By adopting modular design and remote device control, according to the damaged information of the valve sealing surface actually collected, parameters are set to control the grinding process and parameter setting, ensuring the precision, automation and digitalization of valve grinding operations. The specific steps are as follows:

[0052] Step 1: Fix the base 11 with the flange surface to be installed and docked with the valve to be inspected. At the same time, connect it to the remote control module with a wire harness to establish data communication and power supply;

[0053] Step 2: Connect the sealing surface angle detection module to the main body base 5, and at the same time connect it to the base 11 with a wire harness to establish data communication and power supply;

[0054] Step 3: Align the male head 14 of the quick-release device and lock it to the female head 7 of the quick-release device. The lifting rack 15 meshes with the gear of the lifting motor 6, and the zero-position locking device 21 pops out, separating the lifting rod from the base connection support 22;

[0055] Step 4: The remote control module performs the valve sealing surface angle detection function through an independent software, and the sealing surface angle detection module descends to the preset position;

[0056] Step 5: The gyroscope 18 and the infrared ranging module 20 obtain the current information, and the data is transmitted back to the remote control module through the AD acquisition module 16 to obtain the corresponding angle of the current valve sealing surface;

[0057] Specifically, the AD acquisition module transmits the detection data to the remote control module, and uses the data analysis algorithm to obtain the opening angle parameter of the valve sealing surface.

[0058] Step 6: Pull out the connection wire harness, separate the sealing surface angle detection module with the male head 14 of the quick-release device, and at the same time slightly move the lifting rod upward, so that the zero-position locking device 21 connects the lifting rod to the base connection support 22;

[0059] Specifically, by adopting the method of sensor plus data processing, the opposite distance parameter of the valve sealing surface is collected, and according to the actual calibration coordinates of the gyroscope 18, the opening angle of the valve sealing surface is obtained by using data processing technology.

[0060] Step 7: Repeat the above steps, connect the sealing surface surface damage detection module to the main body base 5, and additionally connect the wire harness of the flatness detection sensor 26 to the three-dimensional profiler driver 2;

[0061] Step 8: The sealing surface surface damage detection module descends to the area to be inspected, and the support stability module 23 and the angle adjustment module 24 are fine-tuned according to the data of the flatness detection sensor 26, so that the sensor probe is parallel to the plane of the sealing surface to be inspected, and the rotation center is opposite to the center of the circle of the sealing surface to be inspected;

[0062] Step 9: Rotate the sensor winding module 25 by 360° so that the flatness detection sensor 26 detects the valve sealing surface;

[0063] Step 10: The flatness detection sensor 26 uploads the detection data to the remote control module. The remote control module will detect the image data, frame out the damage type and mark the position. The point cloud data will be calculated to regenerate the valve reconstruction surface to obtain the flatness information of the valve sealing surface;

[0064] Step 11: Lift the lifting rod by the lifting motor 6;

[0065] Step 12: Rotate to the other side of the valve sealing surface by the rotation motor 4;

[0066] Step 13: Repeat the above steps to detect the other side of the valve sealing surface;

[0067] Step 14: Repeat the above steps to unload the sealing surface surface damage detection module;

[0068] Step 15: The remote control module analyzes the damage condition of the valve sealing surface to obtain the grinding operation parameters;

[0069] Specifically, use the flatness detection sensor to pre-inspect the valve sealing surface and correct the current position according to the returned laser value: turn on the control instruction of the sensor winding module, and the flatness detection sensor 26 starts to work; analyze the returned distance data to obtain the positional relationship between the valve sealing surface and the flatness detection sensor 26; use the remote control system to adjust the position parameters of the support stability module 23 and the angle adjustment module 24 so that the reference surface of the flatness detection sensor 26 is parallel to the valve sealing surface and the rotation center of the sensor winding module 25 is opposite to the center of the valve sealing surface circle; use the flatness detection sensor 26 to collect the damage information of the valve sealing surface and transmit the damage type, damage position and damage degree to the remote control module; the remote control module integrates the obtained point cloud data, image data and motor operation data to generate a restored diagram of the sealing surface in the form of a heat map, and at the same time splices and processes the image data to completely describe the damage characteristics; the remote control sets the best grinding parameters based on the preset grinding database.

[0070] Through multi-sensor information extraction, perceive the damage characteristics, damage position and damage degree of the valve sealing surface before the grinding operation, and timely formulate the best grinding parameter setting to ensure the precision, intelligence and automation of the grinding operation.

[0071] Step 16: Repeat the above steps to install the sealing surface grinding module;

[0072] Step 17: The reaction linear motor 12 rotates left / right according to the grinding operation parameters to control the extension / retraction of the reaction pull rod 13 on the grinding rod 30, and obtain the corresponding grinding pressure;

[0073] Step 18: The grinding disk rotation servo motor controls the grinding disk rotation speed parameter according to the grinding operation parameters;

[0074] Step 19: Repeat the above steps to unload the sealing surface grinding module.

[0075] Specifically, after grinding is completed, switch to the sealing surface surface damage detection module to detect the valve sealing surface after grinding operations to judge the quality of the grinding operations.

[0076] Through the operation mode combining the sealing surface angle detection module, the sealing surface surface damage detection module and the sealing surface grinding module, by collecting and digitally analyzing the actual damage conditions of the valve sealing surface, scientifically setting the grinding operation parameters, and using the base and the remote control module to realize the full automation process of each sub-operation process, so as to reduce the number of operators, lower the operation difficulty coefficient. At the same time, the device adopts a modular and lightweight design to reduce the operation burden of the operators. While improving the precision, automation and digitalization capabilities of the grinding operations, it also has high portability and adaptability, which will greatly improve the efficiency and quality of the valve sealing surface grinding operations.

[0077] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0078] The embodiments described above are only used to describe the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A portable automatic grinding device for valve sealing surface based on optical detection, characterized in that: include: A base (11), wherein a main body base (5) is arranged on the base (11), and the main body base (5) is rotatably connected to the base (11) via a rotating member; A grinding assembly comprises a sealing surface angle detection module, a sealing surface surface damage detection module and a sealing surface grinding module, wherein the sealing surface angle detection module, the sealing surface surface damage detection module and the sealing surface grinding module are respectively detachably connected to the main body base (5), and are configured to realize sealing surface angle detection, sealing surface surface damage optical detection and sealing surface grinding of the valve sealing surface by using the sealing surface angle detection module, the sealing surface surface damage detection module and the sealing surface grinding module in sequence.

2. A portable automatic valve sealing surface grinding device based on optical detection according to claim 1, characterized in that: The sealing surface angle detection module comprises a base connection support (22), the base connection support (22) is detachably connected to the main body base (5), a lifting rod is slidably connected to the base connection support (22), a sensor position adjustment bracket (19) is fixedly connected to the bottom end of the lifting rod, an infrared distance measurement module (20) is arranged on the sensor position adjustment bracket (19), the infrared distance measurement module (20) is used to collect the facing distance of the valve sealing surface, and an AD acquisition module (16) and a gyroscope (18) are arranged on the lifting rod, and the AD acquisition module (16) is used to collect data of the infrared distance measurement module (20) and the gyroscope (18).

3. A portable automatic valve sealing surface grinding device based on optical detection according to claim 1, characterized in that: The sealing surface damage detection module comprises a base connection support (22), the base connection support (22) is detachably connected to the main body base (5), a lifting rod is slidably connected to the base connection support (22), the bottom end of the lifting rod is connected to a sensor winding module (25) through an angle adjustment module (24), and a flatness detection sensor (26) is fixedly connected to the sensor winding module (25), and the flatness detection sensor (26) is used to collect images and data of the valve sealing surface.

4. A portable automatic valve sealing surface grinding device based on optical detection according to claim 1, characterized in that: The sealing surface grinding module comprises a base connection support (22), the base connection support (22) is detachably connected to the main body base (5), a lifting rod is slidably connected to the base connection support (22), a grinding rod (30) is connected to the lifting rod via a grinding rod lifting mechanism (27), the bottom end of the grinding rod (30) is connected to a grinding module (28) via a grinding disc rotating module (29), and the grinding module (28) is used to grind the valve sealing surface.

5. The portable automatic valve sealing surface grinding device based on optical detection according to claim 1 is characterized in that: The rotating member comprises a rotating motor (4) fixedly connected to the main body base (5); a gear is fixedly connected to the output shaft of the rotating motor (4) via a connecting shaft; a rack (9) is fixedly connected to the top of the base (11); the gear meshes with the rack (9); a slide rail (10) is arranged on the base (11); and a pulley at the bottom of the main body base (5) is connected to the slide rail (10).

6. A portable automatic valve sealing surface grinding device based on optical detection according to any one of claims 2 to 4, characterized in that: The main body base (5) is fixedly connected with a quick-release device female head (7), the base connection support (22) is fixedly connected with a quick-release device sub-head (14), and the quick-release device female head (7) is compatible with the quick-release device sub-head (14).

7. A portable automatic valve sealing surface grinding device based on optical detection according to claim 6, characterized in that: A lifting motor (6) is arranged on the main body base (5), a lifting rack (15) is arranged on the lifting rod, and the lifting rack (15) is meshed with a gear on the lifting motor (6).

8. A portable automatic valve sealing surface grinding device based on optical detection according to any one of claims 2-3, characterized in that: A zero-point position locking device (21) is provided on the base connection support (22), and the zero-point position locking device (21) is used to separate / lock the lifting rod.

9. The portable automatic valve sealing surface grinding device based on optical detection according to claim 4, characterized in that: The main body base (5) is provided with a reaction force linear motor (12) and a reaction force pull rod (13), and the reaction force pull rod (13) is connected to the reaction force linear motor (12) and is used to provide a reaction force to the grinding module (28). The main body base (5) is provided with a pressure adjustment gauge (1), and the pressure adjustment gauge (1) is used to monitor the pressure of the grinding module (28) on the valve sealing surface.

10. The portable automatic valve sealing surface grinding device based on optical detection according to claim 3, characterized in that: The main body base (5) is provided with a three-dimensional profiler driver (2) and a quick-plug aviation plug (3); the flatness detection sensor (26) transmits data to the three-dimensional profiler driver (2) via a connecting line; the quick-plug aviation plug (3) is used to connect a remote control module to power the device as a whole and transmit data.

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