In-situ on-line detection device for pre-cured state

Abstract

A pre-cured state in-situ online detection device, comprising a walking unit, a lifting unit, a linear translation unit, a measuring unit and a control unit; the lifting unit and the control unit are arranged side by side on the walking unit; the linear translation unit is arranged on the lifting unit; and the measuring unit is arranged on the linear translation unit. The pre-cured state in-situ online detection device can replace the operation mode of the technical personnel judging whether the liner reaches the semi-cured state by finger touch feeling, realize quantitative high-precision online automatic detection of the pre-cured degree, reduce the dependence on the skills and experience of the technical personnel, meet the needs of different types of solid rocket engines, warhead casting charges and other energetic material products for pre-cured state in-situ online detection, have strong adaptability to high-temperature, narrow, deep-hole and complex cavity operation environments, and can meet the requirements of curved surface multi-position detection, effectively guarantee the stability and reliability of the interface bonding quality.

Description

Technical Field

[0001] This invention belongs to the field of energetic material product molding and manufacturing technology, and in particular relates to an in-situ online detection device for pre-cured state. Background Technology

[0002] In the molding and manufacturing process of energetic material products (such as solid rocket engine combustion chamber liners, warhead casting charges, etc.), precise control of the pre-cured state is a key process to ensure the final structural integrity and safety of the product.

[0003] In solid rocket motors, the degree of pre-curing of the combustion chamber liner directly determines the interfacial bonding quality of the subsequent propellant pouring; similarly, in the warhead loading process, the pre-curing state of the propellant slurry also affects the compactness of the loading, the distribution of shrinkage stress, and the bonding strength with the shell.

[0004] Taking the combustion chamber liner of a solid rocket motor as an example, currently, determining whether the liner has reached a semi-cured state mainly relies on the tactile sense of technicians. However, the above method has serious limitations. On the one hand, this method relies excessively on the accumulated skills and experience of operators, is highly subjective, and lacks quantitative indicators, making it difficult to guarantee the process stability between batches. On the other hand, the manufacturing of energetic materials products is often accompanied by a high-temperature curing environment, and the working space is often narrow, with deep holes or complex cavity structures (such as inside the engine cylinder section or the irregular flow channel of the warhead). Manual close-range operation is difficult and risky. Once a judgment is made incorrectly, it may lead to blistering, sagging, or adhesion failure of the liner, thereby triggering the risk of product explosion.

[0005] Although quantitative testing equipment for pre-curing degree can be purchased on the market, due to the high temperature and narrow working environment inside the combustion chamber, the existing testing equipment cannot be used for testing the pre-curing state of the combustion chamber lining of solid rocket engines, let alone meet the requirements for multi-position testing of the curved surface of the combustion chamber lining. Summary of the Invention

[0006] To address the problems existing in the prior art, this invention provides an in-situ online detection device for pre-cured state, which can replace the operation method of technicians judging whether the liner has reached the semi-cured state by touch. It realizes quantitative and high-precision online automatic detection of pre-curing degree, reduces the dependence on the skills and experience of technicians, and can meet the needs of in-situ online detection of pre-cured state of different types of solid rocket engines, warhead casting charges and other energetic material products. It has strong adaptability to working environments such as high temperature, narrow, deep holes and complex cavities, and can meet the requirements of multi-position detection on curved surfaces, effectively ensuring the stability and reliability of interface bonding quality.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a pre-cured state in-situ online detection device, comprising a walking unit, a lifting unit, a linear translation unit, a measuring unit, and a control unit; the lifting unit and the control unit are arranged side by side on the walking unit; the linear translation unit is arranged on the lifting unit; and the measuring unit is arranged on the linear translation unit.

[0008] The walking unit includes a cargo frame, casters, pedal-type fixed supports, and push handles; the casters are located at the four corners of the bottom of the cargo frame; the pedal-type fixed supports are located at the bottom of the cargo frame and between the casters; the push handles are respectively located at the rear and sides of the cargo frame; a power battery pack is installed inside the cargo frame, and the power battery pack is electrically connected to the control unit, serving as the power supply for the control unit.

[0009] The lifting unit includes a lifting support frame, a lifting drive motor, a lead screw, a lead screw nut, a lifting slide frame, lifting guide rails, and a lifting slider. The lifting drive motor is vertically fixed on the lifting support frame. The lead screw is vertically arranged, with one end coaxially fixed to the motor shaft of the lifting drive motor via a coupling, and the other end rotatably connected to the lifting support frame via a bearing seat. The lifting guide rails are vertically arranged and adopt a parallel double-rail structure, with the lead screw located in the middle of the two lifting guide rails. The lifting slider is slidably connected to the lifting guide rails. The lifting slide frame is fixedly connected to the lifting slider. The lead screw nut is fitted onto the lead screw and fixedly connected to the lifting slide frame. The lifting drive motor is electrically connected to the control unit.

[0010] An upper travel limit switch is installed on the lifting support frame above the lifting slide frame, and a lower travel limit switch is installed on the lifting support frame below the lifting slide frame; both the upper and lower travel limit switches are electrically connected to the control unit.

[0011] A lifting height positioning proximity switch is also installed on the lifting support frame, and the lifting height positioning proximity switch is connected to the lifting support frame by adsorption and fixing; the lifting height positioning proximity switch is electrically connected to the control unit.

[0012] The linear translation unit includes a linear translation drive motor, a gear, a rack, a linear translation support rod, a support rod bracket, a support rod guide slider, and a support rod guide rail. The linear translation drive motor is vertically fixed on the lifting slide frame. The gear is coaxially fixed on the motor shaft of the linear translation drive motor. The support rod bracket is horizontally fixed on the top of the lifting slide frame. The support rod guide slider is fixedly installed on the support rod bracket. The support rod guide rail is fixedly installed on the linear translation support rod and is parallel to the linear translation support rod. The support rod guide rail and the support rod guide slider are slidably connected. The rack is fixedly installed on the linear translation support rod and is parallel to the linear translation support rod. The gear meshes with the rack. The linear translation drive motor is electrically connected to the control unit.

[0013] The measuring unit includes an adapter, an adapter shaft, a housing frame, a data acquisition processor, a laser rangefinder, a vision camera, an electric cylinder, and a probe. The adapter is fixedly connected to the front end of a linear translation support rod. The adapter shaft is horizontally inserted into the adapter, and the adapter shaft is rotatably connected to the adapter via a bearing. The rear end of the housing frame is fixedly connected to the adapter shaft, and the rear end of the housing frame is circumferentially positioned with the adapter by fastening screws. The data acquisition processor, laser rangefinder, vision camera, and electric cylinder are all housed inside the housing frame. The electric cylinder has a built-in pressure sensor and a displacement sensor. The data output terminals of the laser rangefinder, vision camera, pressure sensor, and displacement sensor are all electrically connected to the data acquisition processor, which is electrically connected to the control unit. The control terminals of the laser rangefinder, vision camera, and electric cylinder are all electrically connected to the control unit. High-temperature resistant viewing windows are provided on the housing frame facing the laser rangefinder and vision camera. The probe is located outside the housing frame and is fixedly connected to the power output shaft of the electric cylinder.

[0014] The high-temperature resistant viewing window on the housing frame is made of quartz glass. A guide rail and slider guiding mechanism is provided between the probe and the housing frame. The guide rail and slider guiding mechanism includes a probe guide rail and a probe guide slider. The probe guide rail is fixedly installed on the housing frame and is distributed parallel to the power output shaft of the electric cylinder. The probe guide slider is slidably connected to the probe guide rail. The probe is fixedly installed on the probe guide slider and is distributed parallel to the probe guide rail. The power output shaft of the electric cylinder is fixedly connected to the probe guide slider through a force transmission frame.

[0015] A linear translation positioning proximity sensor is fixedly installed at the front end of the housing frame, and the linear translation positioning proximity sensor is electrically connected to the control unit.

[0016] Cooling air inlet and cooling air outlet are respectively provided at the front and rear ends of the housing frame, and the cooling air inlet and cooling air outlet are connected to the circulating air refrigeration unit through air guide pipes.

[0017] The beneficial effects of this invention are: The pre-cured state in-situ online detection device of the present invention can replace the operation method of technicians judging whether the liner has reached the semi-cured state by touch, realize the quantitative and high-precision online automatic detection of the pre-curing degree, reduce the dependence on the skills and experience of technicians, and meet the needs of in-situ online detection of the pre-cured state of different types of solid rocket engines, warhead casting charges and other energetic material products. It has strong adaptability to working environments such as high temperature, narrow, deep holes and complex cavities, and can meet the requirements of multi-position detection on curved surfaces, effectively ensuring the stability and reliability of interface bonding quality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the operation of an in-situ online detection device for pre-cured state according to the present invention; Figure 2 This is a schematic diagram of the structure of an in-situ online detection device for pre-cured state according to the present invention; Figure 3 This is a schematic diagram of the combined structure of the lifting unit, linear translation unit and measuring unit of the present invention (the protective plate and telescopic protective cover on the lifting unit are not shown). Figure 4 This is a schematic diagram of the structure of the measuring unit of the present invention (one side wall panel of the housing frame is not shown). In the diagram, 1—cargo frame, 2—caster wheel, 3—pedal-type fixed support, 4—pushing handle, 5—PLC control box, 6—lifting support frame, 7—lifting drive motor, 8—lead screw, 9—lifting slide frame, 10—lifting guide rail, 11—lifting slider, 12—upper travel limit switch, 13—lower travel limit switch, 14—lifting height positioning proximity switch, 15—linear translation drive motor, 16—gear, 17—rack, 18—linear translation support rod, 19—support rod bracket, 20—support rod guide slider, 21—drag chain bracket, 22—cable routing drag chain, 23—adapter base, 24—adapter shaft, 25—housing frame, 26—data acquisition processor, 27—laser rangefinder. 28—Vision camera, 29—Electric cylinder, 30—Probe, 31—Linear translation positioning proximity sensor, 32—Cooling air inlet connector, 33—Cooling air outlet connector, 34—Pre-curing chamber, 35—Solid rocket engine combustion chamber. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] like Figures 1-4As shown, a pre-cured state in-situ online detection device includes a walking unit, a lifting unit, a linear translation unit, a measuring unit, and a control unit; the lifting unit and the control unit are arranged side by side on the walking unit; the linear translation unit is arranged on the lifting unit; and the measuring unit is arranged on the linear translation unit.

[0021] In this embodiment, the control unit is a PLC control box 5.

[0022] The walking unit includes a cargo frame 1, casters 2, pedal-type fixed supports 3, and push handles 4; the casters 2 are located at the four corners of the bottom of the cargo frame 1; the pedal-type fixed supports 3 are located at the bottom of the cargo frame 1 and between the casters 2; the push handles 4 are respectively located at the rear and sides of the cargo frame 1; a power battery pack is installed inside the cargo frame 1, and the power battery pack is electrically connected to the control unit, serving as the power supply for the control unit.

[0023] The lifting unit includes a lifting support frame 6, a lifting drive motor 7, a lead screw 8, a lead screw nut, a lifting slide frame 9, a lifting guide rail 10, and a lifting slider 11. The lifting drive motor 7 is vertically fixed on the lifting support frame 6. The lead screw 8 is vertically arranged, with one end coaxially fixed to the motor shaft of the lifting drive motor 7 via a coupling, and the other end rotatably connected to the lifting support frame 6 via a bearing seat. The lifting guide rail 10 is vertically arranged and adopts a parallel double-rail structure, with the lead screw 8 located in the middle of the two lifting guide rails 10. The lifting slider 11 is slidably connected to the lifting guide rail 10. The lifting slide frame 9 is fixedly connected to the lifting slider 11. The lead screw nut is fitted onto the lead screw 8 and fixedly connected to the lifting slide frame 9. The lifting drive motor 7 is electrically connected to the control unit.

[0024] In this embodiment, protective plates are provided on the outside of both the lifting support frame 6 and the lifting slide frame 9, and a telescopic protective cover is provided between the lifting slide frame 9 and the lifting support frame 6.

[0025] An upper travel limit switch 12 is provided on the lifting support frame 6 above the lifting slide frame 9, and a lower travel limit switch 13 is provided on the lifting support frame 6 below the lifting slide frame 9; both the upper travel limit switch 12 and the lower travel limit switch 13 are electrically connected to the control unit.

[0026] Specifically, when the upper travel limit switch 12 and the lower travel limit switch 13 are triggered, the running lifting drive motor 7 stops synchronously.

[0027] A lifting height positioning proximity switch 14 is also provided on the lifting support frame 6. The lifting height positioning proximity switch 14 and the lifting support frame 6 are connected by adsorption and fixation. The lifting height positioning proximity switch 14 is electrically connected to the control unit.

[0028] The linear translation unit includes a linear translation drive motor 15, a gear 16, a rack 17, a linear translation support rod 18, a support rod bracket 19, a support rod guide slider 20, and a support rod guide rail. The linear translation drive motor 15 is vertically fixed on the lifting slide frame 9. The gear 16 is coaxially fixed on the motor shaft of the linear translation drive motor 15. The support rod bracket 19 is horizontally fixed on the top of the lifting slide frame 9. The support rod guide slider 20 is fixedly installed on the support rod bracket 19. The support rod guide rail is fixedly installed on the linear translation support rod 18, and the support rod guide rail is parallel to the linear translation support rod 18. The support rod guide rail and the support rod guide slider 20 are slidably connected. The rack 17 is fixedly installed on the linear translation support rod 18, and the rack 17 is parallel to the linear translation support rod 18. The gear 16 meshes with the rack 17. The linear translation drive motor 15 is electrically connected to the control unit.

[0029] In this embodiment, a cable drag chain bracket 21 is horizontally fixed on the lifting slide frame 9, and a cable routing drag chain 22 is provided between the cable drag chain bracket 21 and the linear translation support rod 18.

[0030] The measuring unit includes an adapter 23, an adapter shaft 24, a housing frame 25, a data acquisition processor 26, a laser rangefinder 27, a vision camera 28, an electric cylinder 29, and a probe 30. The adapter 23 is fixedly connected to the front end of the linear translation support rod 18. The adapter shaft 24 is horizontally inserted into the adapter 23, and the adapter shaft 24 is rotatably connected to the adapter 23 via bearings. The rear end of the housing frame 25 is fixedly connected to the adapter shaft 24, and the rear end of the housing frame 25 is circumferentially positioned with the adapter 23 by fastening screws. The data acquisition processor 26, laser rangefinder 27, vision camera 28, and electric cylinder 29 are all equipped with... The device is housed inside the housing frame 25; the electric cylinder 29 has a built-in pressure sensor and displacement sensor; the data output terminals of the laser rangefinder 27, vision camera 28, pressure sensor, and displacement sensor are all electrically connected to the data acquisition processor 26, which is electrically connected to the control unit; the control terminals of the laser rangefinder 27, vision camera 28, and electric cylinder 29 are all electrically connected to the control unit; a high-temperature resistant viewing window is provided on the housing frame 25 facing the laser rangefinder 27 and vision camera 28; the probe 30 is located outside the housing frame 25 and is fixedly connected to the power output shaft of the electric cylinder 29.

[0031] The high-temperature resistant viewing window on the housing frame 25 is made of quartz glass. A guide rail and slider guiding mechanism is provided between the probe 30 and the housing frame 25. The guide rail and slider guiding mechanism includes a probe guide rail and a probe guide slider. The probe guide rail is fixedly installed on the housing frame 25 and is distributed parallel to the power output shaft of the electric cylinder 29. The probe guide slider is slidably connected to the probe guide rail. The probe 30 is fixedly installed on the probe guide slider and is distributed parallel to the probe guide rail. The power output shaft of the electric cylinder 29 is fixedly connected to the probe guide slider through a force transmission frame.

[0032] A linear translation positioning proximity sensor 31 is fixedly installed at the front end of the housing frame 25, and the linear translation positioning proximity sensor 31 is electrically connected to the control unit.

[0033] Cooling air inlet connector 32 and cooling air outlet connector 33 are respectively provided at the front and rear ends of the housing frame 25. Cooling air inlet connector 32 and cooling air outlet connector 33 are connected to the circulating air refrigeration unit through air guide pipes.

[0034] The following description, in conjunction with the accompanying drawings, illustrates the usage of this invention: Before testing, the cargo frame 1 of the walking unit is initially moved to the front area of ​​the pre-curing chamber 34 by using the push handle 4 at the rear of the cargo frame 1 and the universal wheels 2. Then, the cargo frame 1 of the walking unit is precisely moved laterally to the front of one of the solid rocket engine combustion chambers 35 in the pre-curing chamber 34 by using the push handle 4 on the side of the cargo frame 1 and the universal wheels 2. Then, the pedal-type fixed support foot 3 is stepped down to fix the cargo frame 1 of the walking unit to the ground.

[0035] After the carrier frame 1 of the walking unit is fixed to the ground, the height position of the lifting height positioning proximity switch 14 is manually adjusted so that the height of the lifting height positioning proximity switch 14 matches the height of the solid rocket engine combustion chamber 35 to be tested. Then, the lifting drive motor 7 is started, driving the lead screw 8 to rotate. The rotational motion of the lead screw 8 is synchronously converted into the vertical upward motion of the lead screw nut, which in turn drives the lifting slide frame 9 to move upward along the lifting guide rail 10 until the support bracket 19 is raised to the height position of the lifting height positioning proximity switch 14. The lifting height positioning proximity switch 14 is triggered, and the lifting drive motor 7 stops synchronously. At this time, the height position adjustment of the linear translation unit and the measurement unit is completed.

[0036] After the height positions of the linear translation unit and the measuring unit are adjusted, the linear translation drive motor 15 is started, which drives the gear 16, and then drives the rack 17 meshing with it to move linearly. The rack 17 will synchronously drive the linear translation support rod 18 and the support rod guide rail to move linearly on the support rod bracket 19, so that the measuring unit gradually extends into the combustion chamber 35 of the solid rocket engine. When the linear translation positioning proximity sensor 31 is triggered, the linear translation drive motor 15 stops synchronously. At this time, the horizontal position adjustment of the measuring unit is completed.

[0037] After the horizontal position of the measuring unit is adjusted, the laser rangefinder 27 is started first. The laser rangefinder 27 collects the initial distance between the measuring unit and the combustion chamber lining surface. This initial distance data is transmitted to the PLC control box 5 through the data acquisition processor 26. The PLC control box 5 will automatically determine the initial distance between the probe tip of the probe 30 and the combustion chamber lining surface based on the feedback data. Then, the PLC control box 5 sends a start command to the electric cylinder 29 to drive the probe 30 to move toward the combustion chamber lining surface until the probe tip of the probe 30 is in a state of micro-stress contact with the combustion chamber lining surface.

[0038] After the probe tip of the probe 30 completes micro-stress contact with the surface of the combustion chamber lining, the pressure sensor and displacement sensor built into the electric cylinder 29 are first zeroed, and then the electric cylinder 29 is restarted to make the probe 30 press down on the combustion chamber lining according to the preset distance value. The preset distance value is fed back in real time by the displacement sensor. After the preset distance value is pressed down, the pressure sensor collects the pressure data. The measured pressure data is transmitted to the PLC control box 5 through the data acquisition processor 26 and compared with the standard pressure value in the database. Based on the comparison result, it is determined whether the pre-curing state meets the standard.

[0039] During the inspection process, real-time images of the combustion chamber lining surface can be acquired using the vision camera 28 to assist in the assessment of the pre-curing state. Simultaneously, the circulating air chiller continuously injects cooling air into the housing frame 25 through the cooling air inlet connector 32, ensuring that the data acquisition processor 26, laser rangefinder 27, vision camera 28, and electric cylinder 29 within the housing frame 25 are always within a suitable temperature range. This prevents high temperatures from affecting their operational reliability and service life. The cooling air outlet connector 33 will then exhaust the heated air, after heat exchange, from the housing frame 25 back to the circulating air chiller for further cooling circulation.

[0040] When it is necessary to inspect other points on the curved surface of the combustion chamber lining, first retract the probe 30 to the initial position, then retract the measuring unit out of the solid rocket motor combustion chamber 35 to the initial position, then loosen the circumferential positioning fastening screws between the rear end of the shell frame 25 and the adapter 23, and then manually rotate the shell frame 25 to adjust the direction angle of the probe 30. After the direction angle of the probe 30 is adjusted, retighten the fastening screws between the rear end of the shell frame 25 and the adapter 23 to restore the circumferential positioning of the shell frame 25 and the adapter 23, and then the inspection can be carried out again.

[0041] The solutions in the embodiments are not intended to limit the scope of protection of the present invention. All equivalent implementations or modifications that do not depart from the present invention are included in the scope of protection of the present invention.

Claims

1. A pre-cured state in-situ online detection device, characterized in that: It includes a walking unit, a lifting unit, a linear translation unit, a measuring unit, and a control unit; the lifting unit and the control unit are arranged side by side on the walking unit; the linear translation unit is arranged on the lifting unit; and the measuring unit is arranged on the linear translation unit.

2. The in-situ online detection device for pre-cured state according to claim 1, characterized in that: The walking unit includes a cargo frame, casters, pedal-type fixed supports, and push handles; the casters are located at the four corners of the bottom of the cargo frame; the pedal-type fixed supports are located at the bottom of the cargo frame and between the casters; the push handles are respectively located at the rear and sides of the cargo frame; a power battery pack is installed inside the cargo frame, and the power battery pack is electrically connected to the control unit, serving as the power supply for the control unit.

3. The in-situ online detection device for pre-cured state according to claim 1, characterized in that: The lifting unit includes a lifting support frame, a lifting drive motor, a lead screw, a lead screw nut, a lifting slide frame, lifting guide rails, and a lifting slider. The lifting drive motor is vertically fixed on the lifting support frame. The lead screw is vertically arranged, with one end coaxially fixed to the motor shaft of the lifting drive motor via a coupling, and the other end rotatably connected to the lifting support frame via a bearing seat. The lifting guide rails are vertically arranged and adopt a parallel double-rail structure, with the lead screw located in the middle of the two lifting guide rails. The lifting slider is slidably connected to the lifting guide rails. The lifting slide frame is fixedly connected to the lifting slider. The lead screw nut is fitted onto the lead screw and fixedly connected to the lifting slide frame. The lifting drive motor is electrically connected to the control unit.

4. The in-situ online detection device for pre-cured state according to claim 3, characterized in that: An upper travel limit switch is installed on the lifting support frame above the lifting slide frame, and a lower travel limit switch is installed on the lifting support frame below the lifting slide frame; both the upper and lower travel limit switches are electrically connected to the control unit.

5. The in-situ online detection device for pre-cured state according to claim 3, characterized in that: A lifting height positioning proximity switch is also installed on the lifting support frame, and the lifting height positioning proximity switch is connected to the lifting support frame by adsorption and fixing; the lifting height positioning proximity switch is electrically connected to the control unit.

6. The in-situ online detection device for pre-cured state according to claim 3, characterized in that: The linear translation unit includes a linear translation drive motor, a gear, a rack, a linear translation support rod, a support rod bracket, a support rod guide slider, and a support rod guide rail. The linear translation drive motor is vertically fixed on the lifting slide frame. The gear is coaxially fixed on the motor shaft of the linear translation drive motor. The support rod bracket is horizontally fixed on the top of the lifting slide frame. The support rod guide slider is fixedly installed on the support rod bracket. The support rod guide rail is fixedly installed on the linear translation support rod and is parallel to the linear translation support rod. The support rod guide rail and the support rod guide slider are slidably connected. The rack is fixedly installed on the linear translation support rod and is parallel to the linear translation support rod. The gear meshes with the rack. The linear translation drive motor is electrically connected to the control unit.

7. The in-situ online detection device for pre-cured state according to claim 6, characterized in that: The measuring unit includes an adapter, an adapter shaft, a housing frame, a data acquisition processor, a laser rangefinder, a vision camera, an electric cylinder, and a probe. The adapter is fixedly connected to the front end of a linear translation support rod. The adapter shaft is horizontally inserted into the adapter, and the adapter shaft is rotatably connected to the adapter via a bearing. The rear end of the housing frame is fixedly connected to the adapter shaft, and the rear end of the housing frame is circumferentially positioned with the adapter by fastening screws. The data acquisition processor, laser rangefinder, vision camera, and electric cylinder are all housed inside the housing frame. The electric cylinder has a built-in pressure sensor and a displacement sensor. The data output terminals of the laser rangefinder, vision camera, pressure sensor, and displacement sensor are all electrically connected to the data acquisition processor, which is electrically connected to the control unit. The control terminals of the laser rangefinder, vision camera, and electric cylinder are all electrically connected to the control unit. High-temperature resistant viewing windows are provided on the housing frame facing the laser rangefinder and vision camera. The probe is located outside the housing frame and is fixedly connected to the power output shaft of the electric cylinder.

8. The in-situ online detection device for pre-cured state according to claim 7, characterized in that: The high-temperature resistant viewing window on the housing frame is made of quartz glass. A guide rail and slider guiding mechanism is provided between the probe and the housing frame. The guide rail and slider guiding mechanism includes a probe guide rail and a probe guide slider. The probe guide rail is fixedly installed on the housing frame and is distributed parallel to the power output shaft of the electric cylinder. The probe guide slider is slidably connected to the probe guide rail. The probe is fixedly installed on the probe guide slider and is distributed parallel to the probe guide rail. The power output shaft of the electric cylinder is fixedly connected to the probe guide slider through a force transmission frame.

9. The in-situ online detection device for pre-cured state according to claim 7, characterized in that: A linear translation positioning proximity sensor is fixedly installed at the front end of the housing frame, and the linear translation positioning proximity sensor is electrically connected to the control unit.

10. The in-situ online detection device for pre-cured state according to claim 7, characterized in that: Cooling air inlet and cooling air outlet are respectively provided at the front and rear ends of the housing frame, and the cooling air inlet and cooling air outlet are connected to the circulating air refrigeration unit through air guide pipes.

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