A device and method for detecting the snow surface strength of a compacted snow runway at a polar airport

Abstract

The invention discloses a device and method for detecting the surface strength of snow on a compacted snow runway of a polar airport. The invention relates to the field of snow engineering technology, and comprises two groups of latching tooth support frames, wherein the top surfaces of the two groups of latching tooth support frames are both provided with electromagnetic transmission mechanisms, and a snow layer detection device is provided between the two groups of electromagnetic transmission mechanisms. The invention has the advantages that a staff member can extend an arc plate from the four sides of a rectangular plate by starting an electric telescopic rod to apply pressure to the snow surface, and then detect the pressure exerted on each arc plate by a pressure sensor provided on the top surface of the arc plate, and transmit the detected data to a data detection terminal provided above the hydraulic rod through a data line for analysis, thereby achieving the effect of multi-block detection, not only performing force analysis on the pressure of snow surfaces of different sizes to make the detected data more accurate, but also timely discovering the situation in which the snow surface strength difference in a region is too large.

Description

Technical Field

[0001] The invention relates to the technical field of snow engineering, and in particular to a device and method for detecting the surface strength of snow on a compacted snow runway of a polar airport. Background Art

[0002] In polar regions, due to extreme climatic conditions and geographical environment, snow and ice cover is a common phenomenon. Polar airports are usually covered with snow for a long time in winter, which poses certain challenges to aircraft takeoff and landing and ground operations. In polar regions, the compaction of snow plays a vital role in the safety and efficiency of airport operations.

[0003] In polar regions, pressure testing of snow surfaces is mostly done manually in extremely cold environments for a long time, which not only causes certain damage to the bodies of testers, but also has a high risk of error when testing the strength of snow surfaces manually. This may result in insufficient snow surface strength due to inaccurate test data, affecting the safety of aircraft takeoff and landing. To this end, we propose a device and method for testing the surface strength of snow on compacted snow runways at polar airports. Summary of the invention

[0004] The purpose of the present invention is to provide a device and method for detecting the surface strength of snow on a compacted snow runway of a polar airport.

[0005] In order to solve the problems raised in the above-mentioned background technology, the present invention provides the following technical solutions: the surface strength detection device of the snow surface of the compacted snow runway of the polar airport comprises two groups of latch support frames, the top surfaces of the two groups of the latch support frames are provided with electromagnetic transmission mechanisms, a snow layer detection device is provided between the two groups of the electromagnetic transmission mechanisms, the snow layer detection device comprises an electromagnetic guide component, a pressure detection component and a fixing component, the front end of the electromagnetic guide component is connected to the top of the pressure detection component, the rear end of the electromagnetic guide component is connected to the top of the fixing component, the pressure detection component comprises a hydraulic rod, a data detection terminal, a rectangular plate, an arc plate, an electric telescopic rod and a pressure sensor, the data detection terminal is fixedly installed on the top of the hydraulic rod, the bottom end of the hydraulic rod is connected to the top surface of the rectangular plate, the four sides of the rectangular plate are connected to the base end of the electric telescopic rod, the extension ends of the four groups of the electric telescopic rods are connected to one side of the arc plate, and the surfaces of the four arc plates are fixedly connected to the surface of the pressure sensor.

[0006] As a further solution of the present invention: the fixing assembly includes a first servo motor, a fixing block, a threaded sleeve, a threaded screw, an electric flap, a conical head and a fixing rivet, the surface of the fixing block is fixedly connected to the surface of the first servo motor, the output end of the first servo motor is connected to the top end of the threaded sleeve, the inner wall of the threaded sleeve is threadedly connected to the surface of the threaded screw, the bottom end of the threaded screw is fixedly connected to the top surface of the conical head, both sides of the surface of the conical head are connected to the surface of the electric flap, the flipping bottom surfaces of the two electric flaps are fixedly connected to the top surface of the fixing rivet, and the number of the fixing rivets is eight.

[0007] As a further solution of the present invention: the electromagnetic guide assembly includes an electromagnetic guide, a transmission guide rod and an electromagnetic movable gear, the interior of the electromagnetic guide is electromagnetically connected to the surface of the transmission guide rod, and both ends of the transmission guide rod are connected to the inner wall of the electromagnetic movable gear.

[0008] As a further solution of the present invention: a first mounting hole for adapting to a data detection terminal is opened at the front end inside the electromagnetic guide, a second mounting hole for adapting to a threaded sleeve is opened at the rear end inside the electromagnetic guide, and a stabilizer for stability is provided at the connection between the electromagnetic guide and the transmission guide rod.

[0009] As a further solution of the present invention: the electromagnetic transmission mechanism includes an electromagnetic transmission component and a mechanical transmission component, the bottom surface of the mechanical transmission component is fixedly installed on one side of the electromagnetic transmission component, the electromagnetic transmission component includes an electromagnetic controller, a limit mounting frame, a rack and an alarm, the bottom surface of the electromagnetic controller is fixedly installed on one side of the surface of the limit mounting frame, the bottom surface of the inner wall of the limit mounting frame is connected to the bottom surface of the rack, and the alarm is arranged on one side of the surface of the electromagnetic controller.

[0010] As a further solution of the present invention: the mechanical transmission assembly includes a control panel, a second servo motor, a transmission rod and a transmission gear, the interior of the second servo motor is linearly connected to the interior of the control panel via a data line, the output end of the second servo motor is spline-connected to the top end of the transmission rod, and the bottom end of the transmission rod is fixedly connected to the top surface of the transmission gear.

[0011] As a further solution of the present invention: the bottom surface of the control panel and the bottom surface of the second servo motor are fixedly mounted on one side of the surface of the limit mounting frame by bolts, and a notch is opened at the edge of the right side surface of the limit mounting frame, and the diameter of the notch is larger than the diameter of the transmission gear.

[0012] As a further solution of the present invention: a slider for connection is arranged at the top of the latch support frame, a sliding groove adapted to the slider is opened on the bottom surface of the limit mounting frame, a latch groove adapted to the transmission gear is opened on the outer side of the surface of the latch support frame, and the latch grooves are arranged in a straight line.

[0013] In addition, the present invention also provides a method for detecting the surface strength of snow on a compacted snow runway at a polar airport, comprising the following steps:

[0014] Step 1: The staff installs two sets of card tooth support frames on both sides of the compacted snow runway at the polar airport, extends the two sets of card tooth support frames according to the length of the snow runway, and makes the two sets of card tooth support frames flush with the airport runway, so as to facilitate the installation of the limit mounting frame on the card tooth support frames;

[0015] Step 2: After the electromagnetic transmission mechanism is installed on the latch gear support frame, the staff controls the second servo motor through the control panel to drive the transmission rod and the transmission gear to rotate, and then drives the limit installation frame to move forward and backward on the surface of the latch gear support frame through the transmission gear and the latch gear groove on the outer surface of the latch gear support frame;

[0016] Step 3: While the limit installation frame is moving on the surface of the latching gear support frame, the staff can control the electromagnetic movable gear meshing with the rack inside the limit installation frame through the electromagnetic controller to make it reciprocate inside the limit installation frame, so as to subsequently detect the snow surface between the two sets of limit installation frames;

[0017] Step 4: Install the electromagnetic guide on the transmission guide rod and control the electromagnetic guide to drive the snow layer detection device to move horizontally. The staff starts the first servo motor to drive the electric flap and conical head under the threaded screw to descend, so as to ensure the stability of the device during detection.

[0018] By adopting the above technical solution, compared with the prior art, the beneficial effects of the present invention are:

[0019] The present invention starts the hydraulic rod to drive the rectangular plate connected to the bottom end to move downward, thereby driving the rectangular plate to contact the snow surface, and then the electric telescopic rods arranged around the rectangular plate allow the staff to start the electric telescopic rods to extend the arc plate from the four sides of the rectangular plate to apply pressure to the snow surface, and then the pressure on each arc plate is detected by the pressure sensor arranged on the top surface of the arc plate, and the detected data is transmitted to the data detection terminal arranged above the hydraulic rod through the data line for analysis, thereby achieving the effect of multi-block detection, not only performing force analysis on the pressure of snow surfaces of different sizes to make the detected data more accurate, but also timely discovering the situation where the snow surface strength difference in the area is too large.

[0020] Through the arrangement of the fixing component and the electromagnetic guide component, the staff can start the first servo motor to drive the threaded screw to perform lifting and lowering movements, thereby driving the electric flap and the conical head to descend, so that the fixing rivets on the bottom of the conical head and the flap are fixed to the snow surface, thereby achieving the effect of assisting the pressure detection component to ensure the stability of the pressure detection component during operation, and then controlling the electromagnetic guide to drive the pressure detection component and the fixing component to modify parameters on the transmission guide rod, and move a certain distance in stages, thereby achieving the effect of regional detection.

[0021] The present invention arranges a latching tooth support frame and a transmission gear, so that a worker can drive the transmission rod and the transmission gear to rotate by starting a second servo motor, and a latching tooth groove adapted to the transmission gear is provided on the outer side of the surface of the latching tooth support frame, and the latching tooth grooves are arranged in a straight line, so that the electromagnetic transmission mechanism can drive the snow layer detection device to move a long distance according to the length of the latching tooth support frame, and then the electromagnetic transmission mechanism includes an electromagnetic transmission component and a mechanical transmission component, so that the interior of the electromagnetic transmission mechanism has two different transmission modes, thereby effectively avoiding the occurrence of mechanical conflicts. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an overall schematic diagram of an embodiment of the present invention;

[0023] Figure 2 A schematic diagram of an electromagnetic transmission assembly in an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of a position limiting installation frame in an embodiment of the present invention;

[0025] Figure 4 Schematic diagram of a transmission gear in an embodiment of the present invention;

[0026] Figure 5 Schematic diagram of a transmission guide rod in an embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of a fixed block in an embodiment of the present invention;

[0028] Figure 7 A schematic diagram of a curved plate in an embodiment of the present invention;

[0029] Figure 8 A schematic diagram of a conical head in an embodiment of the present invention;

[0030] Fig. 9 Schematic diagram of electromagnetic movable gear in an embodiment of the present invention.

[0031] In the figure: 1. Gear support frame; 101. Sliding block; 2. Electromagnetic transmission mechanism; 21. Electromagnetic transmission assembly; 211. Electromagnetic controller; 212. Positioning mounting frame; 213. Rack; 214. Alarm; 22. Mechanical transmission assembly; 221. Control panel; 222. Second servo motor; 223. Transmission rod; 224. Transmission gear; 3. Snow layer detection device; 31. Electromagnetic guide assembly; 311. Electromagnetic guide; 312. Transmission guide rod; 313. Electromagnetic movable gear; 32. Pressure detection assembly; 321. Hydraulic rod; 322. Data detection terminal; 323. Rectangular plate; 324. Arc plate; 325. Electric telescopic rod; 326. Pressure sensor; 33. Fixing assembly; 331. First servo motor; 332. Fixing block; 333. Threaded sleeve; 334. Threaded screw; 335. Electric flap; 336. Conical head; 337. Fixing rivet. DETAILED DESCRIPTION

[0032] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0033] Example 1, please refer to the attached Figure 1 -Attached Fig. 9 The present invention provides a technical solution: the surface strength detection device of the snow surface of the compacted snow runway of the polar airport comprises two groups of latch tooth support frames 1, the top surfaces of the two groups of latch tooth support frames 1 are both provided with electromagnetic transmission mechanisms 2, a snow layer detection device 3 is provided between the two groups of electromagnetic transmission mechanisms 2, the snow layer detection device 3 comprises an electromagnetic guide component 31, a pressure detection component 32 and a fixing component 33, the front end of the electromagnetic guide component 31 is connected to the top end of the pressure detection component 32, the rear end of the electromagnetic guide component 31 is connected to the top end of the fixing component 33, and the pressure detection component 3 The data detection terminal 322 comprises a hydraulic rod 321, a data detection terminal 322, a rectangular plate 323, an arc plate 324, an electric telescopic rod 325 and a pressure sensor 326. The data detection terminal 322 is fixedly mounted on the top of the hydraulic rod 321. The bottom of the hydraulic rod 321 is connected to the top surface of the rectangular plate 323. The four sides of the rectangular plate 323 are connected to the base end of the electric telescopic rod 325. The extension ends of the four groups of electric telescopic rods 325 are connected to one side of the arc plate 324. The surfaces of the four arc plates 324 are fixedly connected to the surface of the pressure sensor 326.

[0034] In this embodiment, the pressure detection component 32 can be well fixed and installed on one side of the snow through the setting of the conical head 336 and the fixing rivet 337, so as to ensure the stability during detection. The fixing component 33 includes a first servo motor 331, a fixing block 332, a threaded sleeve 333, a threaded screw 334, an electric flap 335, a conical head 336 and a fixing rivet 337. The surface of the fixing block 332 is fixedly connected to the surface of the first servo motor 331, the output end of the first servo motor 331 is connected to the top of the threaded sleeve 333, the inner wall of the threaded sleeve 333 is threadedly connected to the surface of the threaded screw 334, the bottom end of the threaded screw 334 is fixedly connected to the top surface of the conical head 336, both sides of the surface of the conical head 336 are connected to the surface of the electric flap 335, the flipping bottom surfaces of the two electric flaps 335 are fixedly connected to the top surface of the fixing rivet 337, and the number of the fixing rivets 337 is eight.

[0035] In this embodiment, a bearing is arranged inside the electromagnetic movable gear 313, so that the pressure detection component 32 can be adjusted to a certain extent when facing a snow surface with a certain inclination, so as to prevent data deviation during detection. The electromagnetic guide component 31 includes an electromagnetic guide 311, a transmission guide rod 312 and an electromagnetic movable gear 313. The interior of the electromagnetic guide 311 is electromagnetically connected to the surface of the transmission guide rod 312, and both ends of the transmission guide rod 312 are connected to the inner wall of the electromagnetic movable gear 313.

[0036] Specifically, the rectangular plate 323 connected to the bottom is driven downward by starting the hydraulic rod 321, thereby driving the rectangular plate 323 to contact the snow surface, and then the electric telescopic rod 325 arranged around the rectangular plate 323 allows the staff to extend the arc plate 324 from the four sides of the rectangular plate 323 to apply pressure to the snow surface, and then the pressure sensor 326 arranged on the top surface of the arc plate 324 is used to detect the pressure on each arc plate 324, and the detected data is transmitted to the data detection terminal 322 arranged above the hydraulic rod 321 through the data line for analysis, thereby achieving the effect of multi-block detection, not only performing force analysis on the pressure of snow surfaces of different sizes to make the detected data more accurate, but also timely discovering the situation where the snow surface strength difference in the area is too large.

[0037] Example 2, please refer to the attached Figure 1 -Attached Fig. 9The present invention provides a technical solution: the surface strength detection device of the snow surface of the compacted snow runway of the polar airport comprises two groups of latch tooth support frames 1, the top surfaces of the two groups of latch tooth support frames 1 are both provided with electromagnetic transmission mechanisms 2, a snow layer detection device 3 is provided between the two groups of electromagnetic transmission mechanisms 2, the snow layer detection device 3 comprises an electromagnetic guide component 31, a pressure detection component 32 and a fixing component 33, the front end of the electromagnetic guide component 31 is connected to the top end of the pressure detection component 32, the rear end of the electromagnetic guide component 31 is connected to the top end of the fixing component 33, and the pressure detection component 3 The data detection terminal 322 comprises a hydraulic rod 321, a data detection terminal 322, a rectangular plate 323, an arc plate 324, an electric telescopic rod 325 and a pressure sensor 326. The data detection terminal 322 is fixedly mounted on the top of the hydraulic rod 321. The bottom of the hydraulic rod 321 is connected to the top surface of the rectangular plate 323. The four sides of the rectangular plate 323 are connected to the base end of the electric telescopic rod 325. The extension ends of the four groups of electric telescopic rods 325 are connected to one side of the arc plate 324. The surfaces of the four arc plates 324 are fixedly connected to the surface of the pressure sensor 326.

[0038] In this embodiment, the data detection terminal 322 and the threaded sleeve 333 can be fixed by setting the first mounting hole and the second mounting hole. The front end of the electromagnetic guide 311 is provided with a first mounting hole adapted to the data detection terminal 322, and the rear end of the electromagnetic guide 311 is provided with a second mounting hole adapted to the threaded sleeve 333. A stabilizer for stability is provided at the connection between the electromagnetic guide 311 and the transmission guide rod 312.

[0039] In this embodiment, the setting of the alarm 214 can promptly remind the staff when a problem occurs inside the electromagnetic transmission mechanism 2. The electromagnetic transmission mechanism 2 includes an electromagnetic transmission component 21 and a mechanical transmission component 22. The bottom surface of the mechanical transmission component 22 is fixedly installed on one side of the electromagnetic transmission component 21. The electromagnetic transmission component 21 includes an electromagnetic controller 211, a limit mounting frame 212, a rack 213 and an alarm 214. The bottom surface of the electromagnetic controller 211 is fixedly installed on one side of the surface of the limit mounting frame 212. The bottom surface of the inner wall of the limit mounting frame 212 is connected to the bottom surface of the rack 213. The alarm 214 is set on one side of the surface of the electromagnetic controller 211.

[0040] In this embodiment, the mechanical transmission assembly 22 includes a control panel 221, a second servo motor 222, a transmission rod 223 and a transmission gear 224. The interior of the second servo motor 222 is linearly connected to the interior of the control panel 221 via a data line. The output end of the second servo motor 222 is spline-connected to the top end of the transmission rod 223. The bottom end of the transmission rod 223 is fixedly connected to the top surface of the transmission gear 224. The surface of the rack 213 is meshedly connected to the surface of the electromagnetic movable gear 313.

[0041] Specifically, through the setting of the fixing component 33 and the electromagnetic guide component 31, the staff can start the first servo motor 331 to drive the threaded screw 334 to perform lifting and lowering movements, thereby driving the electric flap 335 and the conical head 336 to descend, so that the conical head 336 and the fixing rivets 337 on the bottom of the flap are fixed to the snow surface, thereby achieving the effect of assisting the pressure detection component 32 to ensure the stability of the pressure detection component 32 during operation, and then controlling the electromagnetic guide 311 so that the electromagnetic guide 311 drives the pressure detection component 32 and the fixing component 33 to modify parameters on the transmission guide rod 312, and periodically moves a certain distance, thereby achieving the effect of regional detection.

[0042] Example 3, please refer to the attached Figure 1 -Attached Fig. 9 The present invention provides a technical solution: the surface strength detection device of the snow surface of the compacted snow runway of the polar airport comprises two groups of latch tooth support frames 1, the top surfaces of the two groups of latch tooth support frames 1 are both provided with electromagnetic transmission mechanisms 2, a snow layer detection device 3 is provided between the two groups of electromagnetic transmission mechanisms 2, the snow layer detection device 3 comprises an electromagnetic guide component 31, a pressure detection component 32 and a fixing component 33, the front end of the electromagnetic guide component 31 is connected to the top end of the pressure detection component 32, the rear end of the electromagnetic guide component 31 is connected to the top end of the fixing component 33, and the pressure detection component 3 The data detection terminal 322 comprises a hydraulic rod 321, a data detection terminal 322, a rectangular plate 323, an arc plate 324, an electric telescopic rod 325 and a pressure sensor 326. The data detection terminal 322 is fixedly mounted on the top of the hydraulic rod 321. The bottom of the hydraulic rod 321 is connected to the top surface of the rectangular plate 323. The four sides of the rectangular plate 323 are connected to the base end of the electric telescopic rod 325. The extension ends of the four groups of electric telescopic rods 325 are connected to one side of the arc plate 324. The surfaces of the four arc plates 324 are fixedly connected to the surface of the pressure sensor 326.

[0043] In this embodiment, the bottom surface of the control panel 221 and the bottom surface of the second servo motor 222 are fixedly mounted on one side of the surface of the limiting mounting frame 212 by bolts. A slot is opened along the right side of the limiting mounting frame 212, and the slot diameter is larger than the diameter of the transmission gear 224.

[0044] In this embodiment, a slider 101 for connection is provided at the top of the latch support frame 1, a sliding groove adapted to the slider 101 is provided on the bottom surface of the limit mounting frame 212, and a latch groove adapted to the transmission gear 224 is provided on the outer surface of the latch support frame 1, and the latch grooves are arranged in a straight line.

[0045] Specifically, by setting the latch support frame 1 and the transmission gear 224, the staff can drive the transmission rod 223 and the transmission gear 224 to rotate by starting the second servo motor 222, and the outer surface of the latch support frame 1 is provided with a latch groove adapted to the transmission gear 224, and the latch grooves are arranged in a straight line, so that the electromagnetic transmission mechanism 2 can drive the snow layer detection device 3 to move a long distance according to the length of the latch support frame 1, and then the electromagnetic transmission mechanism 2 includes an electromagnetic transmission component 21 and a mechanical transmission component 22, so that the interior of the electromagnetic transmission mechanism 2 has two different transmission modes, thereby effectively avoiding the occurrence of mechanical conflicts.

[0046] Working principle:

[0047] Step 1: The staff installs two sets of latching gear support frames 1 on both sides of the compacted snow runway of the polar airport, and extends the two sets of latching gear support frames 1 according to the length of the snow runway, and makes the two sets of latching gear support frames 1 flush with the airport runway, so as to facilitate the installation of the limit mounting frame 212 on the latching gear support frames 1;

[0048] Step 2: After the electromagnetic transmission mechanism 2 is installed on the latching gear support frame 1, the staff controls the second servo motor 222 through the control panel 221, thereby driving the transmission rod 223 and the transmission gear 224 to rotate, and then through the transmission gear 224 and the latching gear groove on the outer surface of the latching gear support frame 1, the limit installation frame 212 is driven to move forward and backward on the surface of the latching gear support frame 1;

[0049] Step 3: While the limit installation frame 212 is moving on the surface of the latch support frame 1, the staff can control the electromagnetic movable gear 313 meshing with the rack 213 inside the limit installation frame 212 through the electromagnetic controller 211 to make it reciprocate inside the limit installation frame, so as to subsequently detect the snow surface between the two sets of limit installation frames 212;

[0050] Step 4: Then, by installing the electromagnetic guide 311 on the transmission guide rod 312 and controlling the electromagnetic guide 311, it drives the snow layer detection device 3 to move horizontally. The staff starts the first servo motor 331 to drive the electric flap 335 and the conical head 336 under the threaded screw 334 to descend, so as to ensure the stability of the device during detection. At this point, the entire work process is completed.

[0051] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0052] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, 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 therefore should not be understood as limiting the scope of protection of the present invention.

[0053] It should be noted that the device structure and the drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above invention, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field.

[0054] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0055] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A device for detecting the surface strength of snow on a compacted snow runway at a polar airport, comprising two sets of latching tooth support frames (1), characterized in that: The top surfaces of the two groups of the latching tooth support frames (1) are both provided with an electromagnetic transmission mechanism (2), and a snow layer detection device (3) is provided between the two groups of the electromagnetic transmission mechanisms (2). The snow layer detection device (3) comprises an electromagnetic guide component (31), a pressure detection component (32), and a fixing component (33). The front end of the electromagnetic guide component (31) is connected to the top end of the pressure detection component (32), the rear end of the electromagnetic guide component (31) is connected to the top end of the fixing component (33), and the pressure detection component (32) comprises a hydraulic rod (321), a data detection terminal (322), a torque sensor (33), and a pressure sensor (33). The invention relates to a hydraulic rod (321), a rectangular plate (323), an arc-shaped plate (324), an electric telescopic rod (325), and a pressure sensor (326); the data detection terminal (322) is fixedly mounted on the top of a hydraulic rod (321); the bottom end of the hydraulic rod (321) is connected to the top surface of the rectangular plate (323); the four sides of the rectangular plate (323) are connected to the base end of the electric telescopic rod (325); the extension ends of the four groups of electric telescopic rods (325) are connected to one side of the arc-shaped plate (324); and the surfaces of the four arc-shaped plates (324) are fixedly connected to the surface of the pressure sensor (326).

2. The device for detecting the snow surface strength of a compacted snow runway at a polar airport according to claim 1, characterized in that: The fixing assembly (33) comprises a first servo motor (331), a fixing block (332), a threaded sleeve (333), a threaded screw (334), an electric flap (335), a conical head (336), and a fixing rivet (337); the surface of the fixing block (332) is fixedly connected to the surface of the first servo motor (331); the output end of the first servo motor (331) is connected to the top end of the threaded sleeve (333); the inner wall of the threaded sleeve (333) is threadedly connected to the surface of the threaded screw (334); the bottom end of the threaded screw (334) is fixedly connected to the top surface of the conical head (336); both sides of the surface of the conical head (336) are connected to the surface of the electric flap (335); the flip bottom surfaces of the two electric flaps (335) are fixedly connected to the top surface of the fixing rivet (337); and the number of the fixing rivets (337) is eight.

3. The device for detecting the snow surface strength of a compacted snow runway at a polar airport according to claim 1, characterized in that: The electromagnetic guide assembly (31) comprises an electromagnetic guide (311), a transmission guide rod (312), and an electromagnetic movable gear (313); the interior of the electromagnetic guide (311) is electromagnetically connected to the surface of the transmission guide rod (312), and both ends of the transmission guide rod (312) are connected to the inner wall of the electromagnetic movable gear (313).

4. The device for detecting the snow surface strength of a compacted snow runway at a polar airport according to claim 3, characterized in that: A first mounting hole adapted to the data detection terminal (322) is provided at the front end of the electromagnetic guide (311), a second mounting hole adapted to the threaded sleeve (333) is provided at the rear end of the electromagnetic guide (311), and a stabilizer for stabilization is provided at the connection between the electromagnetic guide (311) and the transmission guide rod (312).

5. The device for detecting the snow surface strength of a compacted snow runway at a polar airport according to claim 1, characterized in that: The electromagnetic transmission mechanism (2) comprises an electromagnetic transmission component (21) and a mechanical transmission component (22); the bottom surface of the mechanical transmission component (22) is fixedly mounted on one side of the electromagnetic transmission component (21); the electromagnetic transmission component (21) comprises an electromagnetic controller (211), a position-limiting mounting frame (212), a rack (213) and an alarm (214); the bottom surface of the electromagnetic controller (211) is fixedly mounted on one side of the surface of the position-limiting mounting frame (212); the bottom surface of the inner wall of the position-limiting mounting frame (212) is connected to the bottom surface of the rack (213); and the alarm (214) is arranged on one side of the surface of the electromagnetic controller (211).

6. The device for detecting the snow surface strength of a compacted snow runway at a polar airport according to claim 5, characterized in that: The mechanical transmission assembly (22) comprises a control panel (221), a second servo motor (222), a transmission rod (223) and a transmission gear (224); the interior of the second servo motor (222) is linearly connected to the interior of the control panel (221) via a data line; the output end of the second servo motor (222) is spline-connected to the top end of the transmission rod (223); the bottom end of the transmission rod (223) is fixedly connected to the top surface of the transmission gear (224); and the surface of the rack (213) is meshingly connected to the surface of the electromagnetic movable gear (313).

7. The device for detecting the snow surface strength of a compacted snow runway at a polar airport according to claim 6, characterized in that: The bottom surface of the control panel (221) and the bottom surface of the second servo motor (222) are both fixedly mounted on one side of the surface of the limit mounting frame (212) by means of bolts, and a notch is provided at the edge of the right side surface of the limit mounting frame (212), and the diameter of the notch is larger than the diameter of the transmission gear (224).

8. The device for detecting the snow surface strength of a compacted snow runway at a polar airport according to claim 7, characterized in that: A slider (101) for connection is arranged at the top of the latching tooth support frame (1), a sliding groove adapted to the slider (101) is provided on the bottom surface of the position limiting mounting frame (212), and a latching tooth groove adapted to the transmission gear (224) is provided on the outer surface of the latching tooth support frame (1), and the latching tooth grooves are arranged in a straight line.

9. A method for detecting the surface strength of snow on a compacted snow runway at a polar airport according to a device for detecting the surface strength of snow on a compacted snow runway at a polar airport according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1: The staff installs two sets of latching gear support frames (1) on both sides of the compacted snow runway of the polar airport, and extends the two sets of latching gear support frames (1) according to the length of the snow runway, and makes the two sets of latching gear support frames (1) flush with the airport runway, so as to facilitate the installation of the limit mounting frame (212) on the latching gear support frames (1); Step 2: After the electromagnetic transmission mechanism (2) is installed on the latching gear support frame (1), the staff controls the second servo motor (222) through the control panel (221), thereby driving the transmission rod (223) and the transmission gear (224) to rotate, and then driving the limit installation frame (212) to move forward and backward on the surface of the latching gear support frame (1) through the transmission gear (224) and the latching gear groove provided on the outer surface of the latching gear support frame (1); Step 3: while the limit installation frame (212) is moving on the surface of the latching tooth support frame (1), the staff controls the electromagnetic movable gear (313) meshing with the rack (213) inside the limit installation frame (212) through the electromagnetic controller (211), so that the electromagnetic movable gear (313) performs reciprocating motion inside the limit installation frame, so as to subsequently detect the snow surface between the two sets of limit installation frames (212); Step 4: The electromagnetic guide (311) is then mounted on the transmission guide rod (312), and the electromagnetic guide (311) is controlled to drive the snow layer detection device (3) to move horizontally. The staff starts the first servo motor (331) to drive the electric flap (335) and the conical head (336) below the threaded screw (334) to descend, so as to ensure the stability of the device during detection.

Images