Sample ice taking device for ice pool model ice in-situ test

Abstract

The invention provides an ice pool model ice in-situ test sample ice taking device. The ice pool model ice in-situ test sample ice taking device comprises a three-dimensional moving support, an ice cutting assembly and a control system. The three-dimensional moving support comprises X / Y / Z-direction moving platforms, and accurate movement of the ice cutting assembly can be achieved. The ice cutting assembly comprises a cutting device and an adsorption device, the cutting device is provided with a spiral cutting knife and efficiently cuts an ice layer, and the adsorption device comprises a vacuum suction cup and can evenly adsorb and fix the ice surface, prevent ice blocks from displacement and breakage and assist in ice taking after cutting is completed; the control system comprises a displacement module, a pressure feedback module and a safety protection module, accurate positioning and speed coordination can be achieved, the negative pressure value can be monitored and adjusted in real time, and safety is guaranteed. The device is compact and reasonable in structure and convenient to operate, the ice taking quality and success rate can be improved, the complexity and cost of the device are reduced, and the automation degree, working efficiency, working reliability and stability of the device are improved.

Description

Technical Field

[0001] This invention relates to the field of ice extraction technology from ice-water pools, and in particular to an ice extraction device for in-situ ice extraction samples from ice-water pool model ice. Background Technology

[0002] In low-temperature freezing ice-water pool laboratories, model ice samples are currently mainly obtained by manual cutting for related ice mechanical property experiments. However, this method has the following drawbacks. Traditional in-situ de-icing methods involve experimental technicians relying on experience to prepare samples, which differ in shape and size from standard samples. Traditional saw-type ice cutters have low sampling accuracy and are inconvenient to change direction. Ice is easily damaged and cracked during the cutting process. When the ice is about to be cut and separated, without a fixation, the fracture position will be affected by the horizontal displacement caused by the ice falling off and the water flow fluctuation, which will affect the flatness of the fracture and also easily damage the cutting tool.

[0003] Meanwhile, traditional ice cutters using a sawing motion have too small a gap after cutting the ice, which can easily cause localized sticking under the low temperatures of the laboratory, affecting ice removal.

[0004] Therefore, we propose an ice-taking device for in-situ ice sampling in an ice-water pool model. Summary of the Invention

[0005] Therefore, it is necessary to provide an in-situ ice-retrieving device for model ice samples obtained in a cryogenic freezing ice-water bath laboratory. This device addresses the technical problems of traditional manual cutting methods for obtaining model ice samples, such as differences in shape and size compared to standard samples, low sampling accuracy, easy damage and breakage of the ice layer during the cutting process, impact on cutting accuracy, and difficulty in removing the cut ice blocks due to limited space. This device would enable the accurate and efficient acquisition of qualified model ice samples in a cryogenic freezing ice-water bath laboratory, effectively solving many problems associated with traditional manual cutting methods and improving the reliability and scientific validity of experimental results.

[0006] This application provides an ice-retrieving device for in-situ ice testing of an ice-water pool model, comprising a three-dimensional moving support, including an X-axis moving platform, a Y-axis moving platform, and a Z-axis moving platform connected to each other, wherein the X-axis moving platform is fixedly connected to the outside of the test ice pool via a fixed base; an ice-cutting assembly, fixedly connected to the Z-axis moving platform, the ice-cutting assembly including a cutting device and an adsorption device; wherein the cutting device includes a rotary drive device, and a spiral cutting blade is connected to the output shaft of the rotary drive device; the adsorption device comprises two devices connected to the housing of the rotary drive device, and the two adsorption devices are symmetrically distributed along the cutting line of the spiral cutting blade; the adsorption device includes a vacuum suction cup, the vacuum suction cup being connected to a vacuum pump via an air pipe, and the vacuum suction cup is used to achieve contact sliding or fixed clamping with the ice surface by controlling the negative pressure value of the vacuum suction cup; the three-dimensional moving support enables the ice-cutting assembly to move in the X-Y-axis direction. Precise movement in the Z direction allows for accurate positioning of the ice-cutting component at any designated location within the test ice pool, meeting the cutting requirements of ice samples in different locations. The spiral cutting blade of the cutting device can efficiently cut the ice layer, and two symmetrically distributed adsorption devices can uniformly adsorb and fix the ice surface during the cutting process, preventing ice displacement or breakage and improving cutting accuracy. After cutting, it can also assist in removing the ice. The entire device has a compact and reasonable structure, is easy to operate, and greatly improves the quality and success rate of ice removal.

[0007] In other embodiments, the cutting device further includes a first linear telescopic device, the rotary drive device is connected to the drive shaft of the first linear telescopic device, and a mounting cover is connected to one end of the cutting device near the rotary drive device. The mounting cover is connected to the Z-axis moving platform via a connecting bracket. The axial height of the mounting cover is greater than the axial height of the spiral cutter plus the axial height of the rotary drive device. The first linear telescopic device can precisely control the movement distance of the spiral cutter in the Z-axis, thereby accurately controlling the cutting depth and meeting the cutting requirements of ice samples of different thicknesses. The mounting cover can house the rotary drive device and the spiral cutter, protect the equipment from collision damage, and also play a protective role during the cutting process, preventing ice chips generated during cutting from flying and injuring people.

[0008] In other embodiments, the spiral cutter includes a rotating shaft distributed along the Z-direction, and spirally arranged blades are arranged radially on the rotating shaft. The end of the rotating shaft away from the rotary drive device is provided with a spike. The spirally arranged blades can cut the ice layer more efficiently during rotation. The unique spiral structure makes the cutting process smoother, reduces cutting resistance, and makes the cut smoother. It also ensures that there is a certain distance between two adjacent in-situ ice pieces, making it convenient to remove ice. The spike-like design at one end of the rotating shaft facilitates the rapid insertion of the spiral cutter into the ice layer, providing a starting point for the cutting process and improving cutting efficiency.

[0009] In other embodiments, a flexible pad is connected to the end of the mounting cover away from the first linear telescopic device, and the spiral cutting blade passes through the flexible pad. When the cutting blade cuts the ice layer, the flexible pad comes into contact with the ice surface. The flexible pad can play a buffering role during the cutting process, reducing rigid collisions between the cutting device and the ice surface, protecting the ice surface and the cutting device, reducing the vibration of the cutting blade, improving cutting accuracy, avoiding breakage of the cutting part, and filling the tiny gaps between the ice surface and the mounting cover, preventing ice chips generated during cutting from entering the interior of the mounting cover and affecting the normal operation of the equipment.

[0010] In other embodiments, the two adsorption devices share the same housing, and the housing has through holes for the mounting cover to pass through and connect. Sharing the housing simplifies the structure of the adsorption device, reduces the number of parts, and lowers the complexity and cost of the device. The through holes ensure the connection stability between the mounting cover and the adsorption device, while facilitating installation and maintenance, and improving the overall integration of the device.

[0011] In other embodiments, the adsorption device further includes a second linear telescopic device that drives the vacuum suction cup to move in the Z direction, and a pressure sensor is provided on the second linear telescopic device. The second linear telescopic device can further precisely control the position of the vacuum suction cup in the Z direction, so that it can better fit with the ice surface. The pressure sensor can monitor the pressure between the vacuum suction cup and the ice surface in real time and feed the pressure signal back to the control system so as to adjust the negative pressure value of the vacuum suction cup in a timely manner, ensuring the stability and reliability of the adsorption effect, and improving the adaptability and intelligence level of the adsorption device.

[0012] In other embodiments, the X-axis moving platform, Y-axis moving platform, and Z-axis moving platform adopt screw drive or cylinder drive. Screw drive has the advantages of high transmission accuracy, good stability, and high transmission efficiency, and can achieve precise position control. Cylinder drive has the characteristics of simple structure, fast response speed, and large power output, and is suitable for occasions that require rapid movement. Selecting the appropriate transmission method according to actual use needs can give full play to the performance advantages of each moving platform.

[0013] In other embodiments, the negative pressure value when the vacuum suction cup slides on the ice surface is less than the negative pressure value when the vacuum suction cup is fixedly adsorbed on the ice surface. In the sliding state, the smaller negative pressure value can reduce the friction between the vacuum suction cup and the ice surface, allowing the ice-cutting component to move smoothly; while in the fixed adsorption state, the larger negative pressure value can ensure that the vacuum suction cup is tightly adsorbed on the ice surface, providing stable support for the cutting process and preventing the ice block from moving. By reasonably controlling the negative pressure value, the vacuum suction cup can play its best role at different stages, improving the working performance and reliability of the entire ice-removing device.

[0014] In other embodiments, the edge sealing ring of the vacuum suction cup adopts a serrated microstructure to adapt to the slight unevenness of the ice surface and enhance the dynamic sealing effect. The ice surface usually has slight unevenness, and the serrated microstructure sealing ring can better fit the ice surface, fill the tiny gaps, and improve the sealing performance. During dynamic operation, this microstructure can also automatically adjust the sealing state according to the changes in the ice surface, ensuring that the vacuum suction cup always maintains a good adsorption effect, effectively preventing air leakage, ensuring the stability of the negative pressure inside the vacuum suction cup, thereby improving the working reliability and stability of the adsorption device.

[0015] In other embodiments, a control system is also included. This control system includes a displacement control module for controlling the movement distance of the X / Y / Z-axis moving platforms and coordinating the X / Y / Z-axis movement speed of the three-dimensional moving support with the rotation speed of the spiral cutting blade, reducing displacement errors between the adsorption device and the cutting device during the cutting process; a pressure feedback module, mounted on the vacuum pump, for real-time monitoring of the negative pressure value of the vacuum suction cup and controlling the negative pressure value of the vacuum suction cup based on the movement distances of the X, Y, and Z-axis moving platforms; a safety protection module that triggers emergency braking of the three-dimensional moving support when the pressure sensor detects that the adsorption force of the vacuum suction cup is below a safety threshold. The displacement control module, through precise algorithms and program control, can achieve accurate positioning and speed coordination of each moving platform, ensuring smooth cutting and improving cutting accuracy. The pressure feedback module can adjust the negative pressure value of the vacuum suction cup in real-time according to the working status of the device, ensuring that the adsorption device can play its best role at different stages, improving the automation level and work efficiency of the device. The safety protection module can effectively prevent safety accidents caused by ice block detachment due to insufficient adsorption force, ensuring the safety of equipment and personnel, and improving the stability and accuracy of the entire cutting process. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the ice-cutting component in this invention.

[0018] Figure 3 This is a schematic diagram of the cutting device in this invention.

[0019] in: 100. Ice-cutting assembly; 110. Cutting device; 111. Rotary drive device; 112. Spiral cutter; 1121. Rotating shaft; 1122. Blade; 1123. Spike; 113. First linear telescopic device; 114. Mounting cover; 115. Flexible pad; 120. Adsorption device; 121. Vacuum suction cup; 122. Air pipe; 123. Second linear telescopic device; 130. Outer shell; 200. Three-dimensional moving support; 210. X-axis moving platform; 211. Fixed base; 220. Y-axis moving platform; 230. Z-axis moving platform; 231. Connecting support; 300. Experimental ice pool; 310. In-situ ice. Detailed Implementation

[0020] The specific embodiments of the present invention will now be described with reference to the accompanying drawings.

[0021] like Figures 1-3 As shown in the figure, this embodiment discloses an ice-retrieving device for in-situ testing of model ice in an ice-water pool. It includes a three-dimensional moving support 200 and an ice-cutting component 100 for in-situ ice retrieval in an ice-water pool 300. This device meets the need for precise and efficient acquisition of model ice samples in a low-temperature freezing ice-water pool laboratory, effectively solving many problems associated with traditional manual cutting methods. In a low-temperature freezing ice-water pool laboratory, accurately acquiring model ice samples that meet specific requirements is crucial for conducting ice mechanical property experiments. Traditional acquisition methods struggle to guarantee the shape and dimensional accuracy of the samples. This device, through the coordinated operation of the three-dimensional moving support 200 and the ice-cutting component 100, can accurately position and cut qualified model ice samples according to preset requirements, providing accurate and reliable basic data for subsequent experiments and improving the credibility and scientific validity of the experimental results.

[0022] Specifically, the three-dimensional moving support 200 in this embodiment is used to achieve movement in the X-Y-Z directions. Its structure includes an X-axis moving platform 210, a Y-axis moving platform 220, and a Z-axis moving platform 230 connected to each other. The X-axis moving platform 210 is fixedly connected to the outside of the test ice pool 300 by a fixing seat 211, thereby fixing the three-dimensional moving support 200. This fixing method ensures the stability of the entire device during the test and avoids affecting the ice-taking accuracy due to device shaking. The Y-axis moving platform 220 is connected to the X-axis moving platform 210 and moves along the X-axis, allowing the ice-cutting component 100 to be adjusted in position along the X-axis to meet the cutting requirements of ice samples at different positions. The Z-axis moving platform 230 is connected to the Y-axis moving platform 220 and moves along the Y-axis, further expanding the range of movement of the ice-cutting component 100 in the horizontal plane. The ice-cutting component 100 is fixedly connected to the Z-axis moving platform 230 by a connecting bracket 231 and moves along the Z-axis, thereby realizing the cutting operation of the ice layer at different depths. The three-dimensional moving support 200 can accurately position the ice cutting component 100 to any designated position within the test ice pool 300 through independent movement and coordinated operation in three directions, providing a strong guarantee for accurately cutting ice samples at different positions and depths.

[0023] like Figure 2 and Figure 3As shown, in this embodiment, the ice-cutting assembly 100 is fixedly connected to the Z-axis moving platform 230 via a connecting bracket 231. The ice-cutting assembly 100 includes a cutting device 110 and an adsorption device 120. The cutting device 110 is responsible for cutting and separating the ice layer according to predetermined requirements, while the adsorption device 120 is used to adsorb and fix the ice surface during the cutting process to prevent the in-situ ice 310 from shifting or breaking during the cutting process. It also assists in removing the in-situ ice 310 after cutting. The organic combination of the cutting device 110 and the adsorption device 120 makes the ice removal process more stable and efficient. The cutting device 110 achieves precise cutting of the ice layer, while the adsorption device 120 ensures the stability of the in-situ ice 310 during the cutting process. Their cooperation greatly improves the quality and success rate of ice removal, reduces repeated cutting work caused by the movement or breakage of the in-situ ice 310, and improves work efficiency.

[0024] The cutting device 110 includes a rotary drive device 111, and a spiral cutter 112 is connected to the output shaft of the rotary drive device 111. The rotary drive device 111 provides rotational power to the spiral cutter 112, enabling it to cut the ice layer quickly and effectively. There are two adsorption devices 120 connected to the housing 130 of the rotary drive device 111, and the two adsorption devices 120 are symmetrically distributed along the cutting line of the spiral cutter 112. This symmetrical distribution design makes the adsorption force of the adsorption devices 120 on the ice surface more uniform, ensuring the force balance of the in-situ ice 310 during the cutting process, and further improving the cutting accuracy.

[0025] The rotary drive device 111 ensures that the spiral cutter 112 rotates at a stable speed, thereby achieving uniform and smooth cutting. Two adsorption devices 120 are symmetrically distributed on both sides of the cutting line, fixing the in-situ ice 310 from both sides during the cutting process. On one hand, they position the ice, preventing it from shifting or tilting due to the cutting force. On the other hand, they provide support when the ice 310 is about to break, preventing horizontal displacement under the force of water when it falls off, which would affect the smoothness of the cut and damage the cutter. Furthermore, since the adsorption device 120 is a vacuum suction cup 121, its soft texture helps prevent the in-situ ice 310 from breaking when the cutter cuts it, effectively ensuring that the cut ice 310 has a regular shape and accurate dimensions.

[0026] The adsorption device 120 in this embodiment includes a vacuum suction cup 121. The vacuum suction cup 121 is connected to a vacuum pump via an air pipe 122, and the vacuum pump controls the negative pressure value of the vacuum suction cup 121 to achieve either a sliding or fixed clamping motion between the vacuum suction cup 121 and the ice surface. When it is necessary to move the ice-cutting component 100, the negative pressure value of the vacuum suction cup 121 is reduced, allowing it to slide in close contact with the ice surface, reducing friction and facilitating the movement of the ice-cutting component 100 on the ice surface. When performing a cutting operation, the negative pressure value of the vacuum suction cup 121 is increased, causing it to adhere tightly to the ice surface, providing stable support for the cutting process. By precisely controlling the negative pressure value of the vacuum suction cup 121, the working state of the adsorption device 120 can be flexibly switched to meet the needs of different working stages. This design not only improves the operational flexibility of the device but also effectively protects the ice surface, preventing damage caused by excessive adsorption or friction, and ensuring the integrity of the ice sample.

[0027] In this embodiment, the cutting device 110 further includes a first linear telescopic device 113. The rotary drive device 111 is connected to the drive shaft of the first linear telescopic device 113. The end of the cutting device 110 near the rotary drive device 111 is also connected to a mounting cover 114. The mounting cover 114 and the Z-axis moving platform 230 are connected to each other through a connecting bracket 231. The axial height of the mounting cover 114 is greater than the axial height of the spiral cutter 112 plus the axial height of the rotary drive device 111. The mounting cover 114 can accommodate the rotary drive device 111 and the spiral cutter 112. The first linear telescopic device 113 determines the cutting depth of the spiral cutter 112 and accommodates the spiral cutter 112, which facilitates the subsequent clamping of the in-situ ice 310 by the adsorption device 120. The first linear telescopic device 113 can precisely control the movement distance of the spiral cutter 112 in the Z direction, thereby accurately controlling the cutting depth and meeting the cutting requirements of ice samples of different thicknesses. The design of the mounting cover 114 can not only protect the rotary drive device 111 and the spiral cutter 112 from collision damage when they are not in operation, but also play a certain protective role during the cutting process to avoid ice chips from flying and injuring people.

[0028] The addition of the first linear telescopic device 113 further enhances the functionality of the cutting device 110. Through precise linear motion control, it enables accurate adjustment of the cutting depth, improving the flexibility and adaptability of the cutting process. The rational design of the mounting cover 114 not only considers the protection requirements of the equipment but also takes into account operational safety.

[0029] In this embodiment, the spiral cutter 112 includes a rotating shaft 1121 distributed along the Z-direction, and a spirally arranged blade 1122 is arranged radially on the rotating shaft 1121. A spike 1123 is provided at the end of the rotating shaft 1121 away from the rotary drive device 111. The spirally arranged blade 1122 can cut the ice layer more efficiently during rotation. Its unique spiral structure makes the cutting process smoother and reduces cutting resistance. The spike 1123 at one end of the rotating shaft 1121 facilitates the rapid insertion of the spiral cutter 112 into the ice layer, providing a starting point for the cutting process and improving cutting efficiency. The spiral blade 1122 of the spiral cutter 112 is designed with full use of mechanical principles. It can generate a large cutting force when rotating, while dispersing the stress generated during the cutting process, reducing the wear and damage of the blade 1122, making the cut smoother, and also ensuring that there is a certain distance between two adjacent in-situ ice 310, which facilitates ice removal. This is because in order to ensure that the ice in the laboratory will not melt, its internal temperature is generally less than or equal to 0 degrees. If the gap is too small (using a saw-type cutter), it will cause local adhesion and affect ice removal.

[0030] The design of the spike 1123 further optimizes the operation at the beginning of the cutting process, allowing the spiral cutter 112 to easily enter the ice layer, thus improving the efficiency and stability of the entire cutting process.

[0031] In this embodiment, a flexible pad 115 is connected to the end of the mounting cover 114 away from the first linear telescopic device 113, and the spiral cutting blade 112 passes through the flexible pad 115. When the spiral cutting blade 112 cuts the ice layer, the flexible pad 115 contacts the ice surface. The flexible pad 115 acts as a buffer during the cutting process, reducing rigid collisions between the cutting device 110 and the ice surface, protecting both the ice surface and the cutting device 110. Simultaneously, after the flexible pad 115 contacts the ice surface, it reduces the vibration of the spiral cutting blade 112, improving cutting accuracy and preventing breakage of the cut area. Furthermore, the flexible pad 115 can fill the tiny gaps between the ice surface and the mounting cover 114, preventing ice chips generated during cutting from entering the mounting cover 114 and affecting the normal operation of the equipment.

[0032] In this embodiment, the two adsorption devices 120 share the same outer shell 130, and the outer shell 130 has a through hole for the mounting cover 114 to pass through and connect to. The shared outer shell 130 simplifies the structure of the adsorption device 120, reduces the number of parts, and lowers the complexity and cost of the device. The through hole ensures the connection stability between the mounting cover 114 and the adsorption device 120, while also facilitating installation and maintenance. While ensuring the functionality of the adsorption device 120, the device has been optimized and simplified, improving its overall integration.

[0033] In this embodiment, the adsorption device 120 further includes a second linear telescopic device 123 that drives the vacuum suction cup 121 to move in the Z direction, and a pressure sensor is installed on the second linear telescopic device 123. The second linear telescopic device 123 can further precisely control the position of the vacuum suction cup 121 in the Z direction, making it better fit with the ice surface; the pressure sensor can monitor the pressure between the vacuum suction cup 121 and the ice surface in real time, and feed the pressure signal back to the control system so as to adjust the negative pressure value of the vacuum suction cup 121 in a timely manner, ensuring the stability and reliability of the adsorption effect. The combined use of the second linear telescopic device 123 and the pressure sensor enables the adsorption device 120 to achieve more precise adsorption control. By monitoring pressure changes in real time, the control system can dynamically adjust the negative pressure value according to the actual situation, ensuring that the vacuum suction cup 121 can provide appropriate adsorption force under different working conditions, improving the adaptability and intelligence level of the adsorption device 120.

[0034] In this embodiment, the X-axis moving platform 210, Y-axis moving platform 220, and Z-axis moving platform 230 employ either screw drive or cylinder drive. Screw drive offers advantages such as high transmission accuracy, good stability, and high transmission efficiency, enabling precise position control; cylinder drive features simple structure, fast response speed, and high power output, making it suitable for applications requiring rapid movement. Selecting the appropriate transmission method based on actual usage requirements allows for full utilization of the performance advantages of each moving platform.

[0035] In this embodiment, the negative pressure value of the vacuum suction cup 121 when sliding on the ice surface is less than the negative pressure value when the vacuum suction cup 121 is fixedly adsorbed onto the ice surface. In the sliding state, the smaller negative pressure value reduces the friction between the vacuum suction cup 121 and the ice surface, allowing the ice-cutting component 100 to move smoothly. In the fixed adsorption state, the larger negative pressure value ensures that the vacuum suction cup 121 is firmly adsorbed onto the ice surface, providing stable support for the cutting process and preventing the in-situ ice 310 from moving. This design, which adjusts the negative pressure value according to different working states, fully considers the performance requirements of the vacuum suction cup 121 in different working scenarios. By reasonably controlling the negative pressure value, the vacuum suction cup 121 can play its optimal role at different stages, ensuring both the mobility of the ice-cutting component 100 and the stability of the cutting process, thereby improving the overall performance and reliability of the ice-retrieving device.

[0036] In this embodiment, the edge sealing ring of the vacuum suction cup 121 adopts a serrated microstructure to adapt to the slight unevenness of the ice surface and enhance the dynamic sealing effect. Ice surfaces typically have slight unevenness; the serrated microstructure sealing ring can better conform to the ice surface, fill tiny gaps, and improve sealing performance. During dynamic operation, this microstructure can also automatically adjust the sealing state according to changes in the ice surface, ensuring that the vacuum suction cup 121 maintains a good adsorption effect at all times. The serrated microstructure sealing ring is designed specifically for ice surfaces, fully considering the actual conditions of the ice surface, and solves the problem of poor sealing effect of traditional sealing rings on ice surfaces through a unique structural design. This sealing ring can effectively prevent air leakage, ensure stable negative pressure inside the vacuum suction cup 121, thereby improving the operational reliability and stability of the adsorption device 120.

[0037] In this embodiment, a control system is also included, which comprises a displacement control module, a pressure feedback module, and a safety protection module, thereby improving the stability and accuracy of the entire cutting process.

[0038] Specifically, the displacement control module in this embodiment controls the movement distance of the X / Y / Z-axis moving platforms (X-axis moving platform 210, Y-axis moving platform 220, and Z-axis moving platform 230) to ensure that the required in-situ ice 310 is cut out. Simultaneously, it coordinates the X / Y / Z-axis moving speed of the three-dimensional moving support 200 with the rotational speed of the spiral cutter 112, reducing the displacement error between the adsorption device 120 and the cutting device 110 during the cutting process. Through precise algorithms and program control, the displacement control module can achieve accurate positioning and speed coordination of each moving platform, ensuring the smooth progress of the cutting process. It can precisely control the movement of each moving platform based on preset parameters and real-time feedback information. By coordinating the movement speed in different directions and the rotational speed of the spiral cutter 112, errors during the cutting process can be effectively reduced, cutting accuracy improved, and the cut in-situ ice 310 ensured to meet experimental requirements.

[0039] In this embodiment, the pressure feedback module is installed on the vacuum pump to monitor the negative pressure value of the vacuum suction cup 121 in real time. Based on the moving distance of the X-axis moving platform 210, Y-axis moving platform 220, and Z-axis moving platform 230, the negative pressure value of the vacuum suction cup 121 is controlled. That is, when the X-axis moving platform 210 is about to reach the predetermined position, the negative pressure value of the vacuum suction cup 121 is adjusted to change the ice surface from sliding connection to fixed adsorption. Since the vacuum suction cup 121 is large in size, it can adsorb a large area, providing support for the cutting of the in-situ ice 310 that is about to be broken, and improving the cutting accuracy. At the same time, after the cutting is completed, the negative pressure value is adjusted to change the fixed adsorption to sliding adhesion. Then, the ice cutting component 100 is moved to the middle of the in-situ ice 310 to be fixed by the X-axis moving platform 210. Then, the negative pressure value is adjusted again to adsorb the in-situ ice 310. At the same time, the in-situ ice 310 is removed by the Z-axis moving platform 230. The pressure feedback module can adjust the negative pressure value of the vacuum suction cup 121 in real time according to the working status of the device, ensuring that the adsorption device 120 can play its best role in different stages. This intelligent control method enables the adsorption device 120 to better adapt to different working scenarios, improves the automation level and working efficiency of the device, reduces manual intervention, and lowers the difficulty of operation and error rate.

[0040] In this embodiment, the safety protection module triggers an emergency stop on the three-dimensional moving support 200 when the pressure sensor detects that the suction force of the vacuum suction cup 121 is below a safety threshold. This safety protection module effectively prevents accidents caused by the detachment of in-situ ice 310 due to insufficient suction force, ensuring the safety of equipment and personnel. This safety protection mechanism reflects the user-friendly design of the device and a high degree of emphasis on safety.

[0041] The above description is an explanation of the present invention and not a limitation thereof. The scope of the present invention is defined by the claims. Within the scope of protection of the present invention, any form of modification may be made.

Claims

1. A device for taking ice samples from an in-situ ice-water tank model ice test specimen, characterized in that, include: A three-dimensional moving support includes an X-axis moving platform, a Y-axis moving platform, and a Z-axis moving platform that are connected to each other, wherein the X-axis moving platform is connected to the outside of the test ice pool via a fixed base; An ice-cutting assembly is fixedly connected to a Z-axis moving platform, and the ice-cutting assembly includes a cutting device and an adsorption device. The cutting device includes a rotary drive device, and a spiral cutting blade is connected to the output shaft of the rotary drive device; the number of adsorption devices is two and they are connected to the housing of the rotary drive device, and the two adsorption devices are symmetrically distributed along the cutting line of the spiral cutting blade. The adsorption device includes a vacuum suction cup, which is connected to a vacuum pump via an air pipe. The vacuum pump controls the negative pressure value of the vacuum suction cup to achieve the sliding or fixed clamping of the vacuum suction cup onto the ice surface.

2. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: The cutting device further includes a first linear telescopic device, and the rotary drive device is connected to the drive shaft of the first linear telescopic device. The end of the cutting device near the rotary drive device is also connected to a mounting cover. The mounting cover is connected to the Z-axis moving platform through a connecting bracket. The axial height of the mounting cover is greater than the axial height of the spiral cutting blade plus the axial height of the rotary drive device.

3. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: The spiral cutting blade includes a rotating shaft distributed along the Z direction, and a spirally arranged blade is provided in the radial direction of the rotating shaft, and a spike is provided at the end of the rotating shaft away from the rotary drive device.

4. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 2, characterized in that: The end of the mounting cover away from the first linear telescopic device is connected to a flexible pad, and the spiral cutter passes through the flexible pad. When the spiral cutter cuts the ice layer, the flexible pad comes into contact with the ice surface.

5. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: The two adsorption devices share the same housing, and the housing has through holes for the mounting cover to pass through and connect.

6. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: The adsorption device also includes a second linear telescopic device that drives the vacuum suction cup to move in the Z direction, and a pressure sensor is provided on the second linear telescopic device.

7. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: The X-axis moving platform, Y-axis moving platform, and Z-axis moving platform are driven by screw drives or cylinder drives.

8. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: The negative pressure value when the vacuum suction cup slides on the ice surface is less than the negative pressure value when the vacuum suction cup is fixed and adsorbed on the ice surface.

9. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: The edge sealing ring of the vacuum suction cup adopts a serrated microstructure to adapt to the slight unevenness of the ice surface and enhance the dynamic sealing effect.

10. The ice-collecting device for in-situ ice testing of an ice-water pool model as described in claim 1, characterized in that: It also includes a control system, which includes: The displacement control module is used to control the moving distance of the X / Y / Z axis moving platform, and at the same time coordinate the X / Y / Z axis moving speed of the three-dimensional moving support with the rotation speed of the spiral cutting blade to reduce the displacement error between the adsorption device and the cutting device during the cutting process. The pressure feedback module, which is installed on the vacuum pump, is used to monitor the negative pressure value of the vacuum suction cup in real time, and control the negative pressure value of the vacuum suction cup according to the moving distance of the X-axis moving platform, Y-axis moving platform and Z-axis moving platform.

Images