CN114518097A - High-speed railway operation line subsides detection device - Google Patents
High-speed railway operation line subsides detection device Download PDFInfo
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- CN114518097A CN114518097A CN202210217275.5A CN202210217275A CN114518097A CN 114518097 A CN114518097 A CN 114518097A CN 202210217275 A CN202210217275 A CN 202210217275A CN 114518097 A CN114518097 A CN 114518097A
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- fixedly connected
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Abstract
The invention discloses a high-speed railway operation line settlement detection device, which relates to the technical field of settlement detection, and comprises a mounting seat and also comprises: the air-flow-direction-adjustable automatic alarm device comprises an installation frame, an installation shell, a driving motor, an adjustment rod, an adjustment block, an installation plate, a main air pipe, a telescopic assembly and an air duct, wherein the installation frame is arranged above the installation seat, the installation shell is fixedly connected between the installation frame and the installation seat, the driving motor is fixedly connected in the installation shell, the adjustment rod is rotatably connected in the installation frame, one side of the adjustment rod is fixedly connected with one end of an output shaft of the driving motor, the adjustment block is sleeved on the adjustment rod through threads, the installation plate is arranged on one side of the installation frame, one side of the installation plate is fixedly connected with the adjustment block, the air valve assembly is used for providing standard detection air pressure for the main air pipe, the air valve assembly is connected with the telescopic assembly, when the telescopic assembly moves upwards, the air valve assembly is opened to realize the communication between the air direction and the main air pipe, when a settlement phenomenon occurs, the telescopic assembly drives the alarm assembly to move downwards, and when the alarm assembly extends out of the air in an air duct, the air is sprayed out of the alarm assembly, so as to realize automatic alarm.
Description
Technical Field
The invention relates to the technical field of settlement detection, in particular to a settlement detection device for a high-speed railway operation line.
Background
The railway subgrade is a mixture consisting of a plurality of materials, and the settlement deformation of the railway subgrade is a result of comprehensive actions such as the particularity of the deformation performance of soil materials, external loads and other environmental factors. Most materials recover quickly and remain stable when subjected to external forces of less than destructive strength, but earth materials do not, which also determines the complexity of the railway subgrade settlement.
Traditional detection device that subsides when using, generally all fixed point detects, and the measuring range is less, detects insufficiently comprehensively, and traditional detection device simultaneously, the result that subsides that detects out generally need just can reach after the manual measurement, and traditional detection device does not have and subsides alarming function, and the operating personnel of being not convenient for investigation ground takes place the position that subsides, and the practicality is not high.
Disclosure of Invention
The invention provides a high-speed railway operation line settlement detection device, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high-speed railway operation line subsides detection device, includes the mount pad, still includes: the mounting frame is arranged above the mounting seat, the mounting frame is fixedly connected with the mounting seat, the driving motor is fixedly connected in the mounting shell, the mounting frame is rotatably connected with the adjusting rod, one side of the adjusting rod is fixedly connected with one end of an output shaft of the driving motor, the adjusting rod is provided with the adjusting block in a threaded sleeve manner, one side of the mounting frame is provided with the mounting plate, one side of the mounting plate is fixedly connected with the adjusting block, the bottom of the mounting plate is fixedly provided with the main air pipe, the detection mechanism is arranged on one side of the main air pipe and comprises a mounting beam, one side of the mounting beam is fixedly connected with the side wall of the main air pipe, the air guide pipes are fixedly connected between the mounting beam and the main air pipe, a plurality of air guide pipes are arranged, the bottom of the mounting beam is fixedly connected with the telescopic pipes, the telescopic pipes are arranged corresponding to the air guide pipes, the limiting plates are arranged below the telescopic pipes and fixedly connected with the main air guide pipes, and the limiting plates are provided with accommodating grooves in a penetrating manner, a telescopic component is arranged in the accommodating groove in the limiting plate, an alarm component is arranged on the telescopic component, and when the detection is actually carried out, the probe is contacted with the detection surface; set up in air feed mechanism of main air pipe one side, including bellows, bellows fixed set up in mounting panel bottom one side, the fixed connecting tube of the end of giving vent to anger of bellows, pipe one side and main air pipe fixed connection, and inside intercommunication, pipe one side sets up the valve module, the valve module with be used for providing standard detection atmospheric pressure to the main air pipe, the valve module is connected with flexible subassembly, and when flexible subassembly rebound, the valve module is opened, realizes the intercommunication of wind direction and main air pipe, then when the phenomenon of subsiding appears, flexible subassembly drives the warning subassembly and moves down, when the warning subassembly stretches out from accomodating the groove, gas in the bellows is from warning subassembly blowout, and then realizes automatic alarm.
As a preferred technical scheme of the invention, the telescopic assembly comprises an air guide cylinder which is arranged in the accommodating groove in a sliding penetrating manner, the top of the air guide cylinder is fixedly connected with a fixed block, one side of the fixed block is fixedly connected with the telescopic pipe, a supporting piece is sleeved on the air guide cylinder between the fixed block and the limiting plate, and the air guide cylinder can slide up and down in the accommodating groove of the limiting plate.
As a preferable technical solution of the present invention, the alarm assembly includes a buzzer fixedly disposed on a side wall below the gas cylinder, a gas outlet is formed on a side wall of the gas cylinder on one side of the buzzer, and when the buzzer moves into the receiving groove, the gas outlet of the buzzer is sealed.
As a preferred technical scheme of the invention, the valve component comprises a limiting column which penetrates through one side of the fixed block in a sliding manner, the top of the limiting column is fixedly connected with a valve rod, the limiting column is sleeved with a telescopic piece, a communication port is formed in the valve rod, the upper end of the valve rod penetrates through the guide pipe in a sliding manner, and the valve rod moves up and down and can realize the sealing and opening of the guide pipe under the action of the communication port.
As a preferable technical scheme of the invention, a mounting groove is formed in the valve rod below the communication opening, a rotating column is arranged in the mounting groove, the rotating column is rotatably connected with the bottom wall of the mounting groove, a transmission bevel gear is fixedly sleeved on the rotating column, a driving bevel gear is arranged on one side of the transmission bevel gear, the driving bevel gear is rotatably connected with the inner wall of the mounting groove, the driving bevel gear is in meshing transmission connection with the transmission bevel gear, the side wall of the valve rod on one side of a rotating shaft of the driving bevel gear is rotatably connected with a handle, and one side of the handle is fixedly connected with one end of the rotating shaft of the driving bevel gear.
As a preferred technical scheme of the invention, the top of the rotating column is fixedly connected with a screw rod, a driving block is sleeved on the screw rod in a threaded manner, two sides of the driving block are in sliding contact with the side wall of the mounting groove, two sides of the driving block are fixedly connected with connecting rods, the top of each connecting rod is fixedly connected with a piston block, and the top of each piston block is fixedly connected with a piston column.
As a preferable technical scheme of the invention, the side walls of the valve rods on two sides of the piston column are provided with an installation cylinder in a sliding and penetrating manner, the installation cylinder is internally and fixedly connected with a resetting piece, one side of the resetting piece is fixedly connected with a piston tooth, two ends of the piston column are hinged with transmission rods, one end of each transmission rod is hinged with the installation cylinder, and when the piston column moves up and down, the installation cylinder can be driven to move left and right under the action of the transmission rods.
As a preferred technical scheme of the invention, the bottom of the guide pipe at two sides of the valve rod is fixedly connected with the mounting arm, the side wall of the mounting arm is fixedly connected with the stopping tooth, the stopping tooth and the piston tooth are both in structures with inclined surfaces at one side, the inclined surfaces of the stopping tooth and the piston tooth are oppositely arranged, and the valve rod can only move upwards in one direction during actual operation.
The invention has the following advantages: when the device is actually used, one side of the mounting seat of the device is placed above the ground, one side of the detection mechanism is placed on the inclined plane of the foundation to be detected, the driving motor drives the adjusting rod to rotate to realize the contact of the detection mechanism and the foundation, the probe moves downwards along with the downward movement of the mounting plate under the supporting action of the foundation, the gas guide cylinder moves upwards relative to the limiting plate until the buzzer on the gas guide cylinder moves into the accommodating groove of the limiting plate, the gas outlet end of the buzzer is in contact with the inner wall of the accommodating groove to realize sealing, meanwhile, the fixing block drives the valve rod to ascend, the communication port on the valve rod moves into the guide pipe to realize communication, at the moment, under the action of the air box, high-pressure gas enters the gas guide cylinder from the gas guide pipe and the telescopic pipe, because the honey device is in a sealing state at the moment, the gas cannot flow out, when the detection surface is settled, under the action of the supporting piece, the gas guide cylinder resets, then bee calling organ stretches out from accomodating the inslot, when the gas guide cylinder drives the fixed block and moves down simultaneously, because valve pole both sides are provided with the locking tooth, move down when the fixed block, valve pole is under the effect of locking tooth, still keep static different, the intercommunication mouth in the device is still in the pipe, the pipe is still in the air guide intercommunication state, gas flows out from bee calling organ this moment, under bee calling organ's effect, sound realization warning, the staff can be according to the sound source of warning, the position that takes place to subside is look for, then carry out timely remedial measure, the device operation is convenient on the whole, the measuring point location is many, the scope is big, and actually examine time measuring, can in time handle the measuring point according to the alarm situation, the work efficiency that the workman detected is improved, the practicality is higher.
Drawings
Fig. 1 is a schematic structural diagram of a main body of a high-speed railway operation line settlement detection device.
Fig. 2 is a schematic structural diagram of the front side of a detection mechanism in the high-speed railway operation line settlement detection device.
Fig. 3 is a schematic structural view of a valve assembly in the high-speed railway service line settlement detection device.
Fig. 4 is an enlarged structural diagram of a in fig. 3.
Fig. 5 is a schematic structural diagram of an air duct in the high-speed railway operation line settlement detection device.
In the figure: 1. a mounting seat; 2. a drive motor; 3. mounting a shell; 4. installing a frame; 5. adjusting a rod; 6. an adjusting block; 7. an air box; 8. mounting a plate; 9. rotating the column; 10. a conduit; 11. a main air pipe; 12. an air duct; 13. a telescopic pipe; 14. a limiting plate; 15. a probe; 16. a drive bevel gear; 17. a valve rod; 18. a telescoping member; 19. a limiting column; 20. mounting a beam; 21. a receiving groove; 22. a support member; 23. a buzzer; 24. an air outlet; 25. an air guide cylinder; 26. a piston post; 27. mounting grooves; 28. a stop tooth; 29. mounting an arm; 30. a piston tooth; 31. a transmission rod; 32. a reset member; 33. a piston block; 34. mounting the cylinder; 35. a screw rod; 36. a drive block; 37. a drive bevel gear; 38. a fixed block; 39. a communication port; 40. a connecting rod; 41. a detection mechanism; 42. an air supply mechanism; 43. a valve assembly; 44. an alarm component; 45. a telescoping assembly.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
Referring to fig. 1-5, a high-speed railway service line settlement detection device includes a mounting base 1, and further includes: the mounting device comprises a mounting frame 4 arranged above a mounting seat 1, a mounting shell 3 is fixedly connected between the mounting frame 4 and the mounting seat 1, a driving motor 2 is fixedly connected in the mounting shell 3, an adjusting rod 5 is rotatably connected in the mounting frame 4, one side of the adjusting rod 5 is fixedly connected with one end of an output shaft of the driving motor 2, an adjusting block 6 is sleeved on the adjusting rod 5 through threads, a mounting plate 8 is arranged on one side of the mounting frame 4, one side of the mounting plate 8 is fixedly connected with the adjusting block 6, a main air pipe 11 is fixedly arranged at the bottom of the mounting plate 8, a detection mechanism 41 arranged on one side of the main air pipe 11 comprises a mounting beam 20, one side of the mounting beam 20 is fixedly connected with the side wall of the main air pipe 11, an air guide pipe 12 is fixedly connected between the mounting beam 20 and the main air pipe 11, a plurality of air guide pipes 12 are arranged, a telescopic pipe 13 is fixedly connected at the bottom of the mounting beam 20, the telescopic pipe 13 is arranged corresponding to the air guide pipe 12, a limiting plate 14 is arranged below the telescopic pipe 13, the limiting plate 14 is fixedly connected with the main gas pipe 11, a containing groove 21 is formed in the limiting plate 14 in a penetrating mode, a telescopic assembly 45 is arranged in the containing groove 21 in the limiting plate 14, an alarm assembly 44 is arranged on the telescopic assembly 45, and when detection is actually carried out, the probe 15 is in contact with a detection surface;
The air supply mechanism 42 arranged on one side of the main air pipe 11 comprises an air box 7, the air box 7 is fixedly arranged on one side of the bottom of the mounting plate 8, the air outlet end of the air box 7 is fixedly connected with a guide pipe 10, one side of the guide pipe 10 is fixedly connected with the main air pipe 11 and is communicated with the inside of the main air pipe, one side of the guide pipe 10 is provided with a valve assembly 43, the valve assembly 43 is connected with a telescopic assembly 45 and is used for providing standard detection air pressure for the main air pipe 11, the valve assembly 43 is connected with the telescopic assembly 45, when the telescopic assembly 45 moves upwards, the valve assembly 43 is opened to realize the communication between the air direction and the main air pipe 11, when the sedimentation phenomenon occurs, the telescopic assembly 45 drives the alarm assembly 44 to move downwards, when the alarm assembly 44 extends out of the accommodating groove 21, the air in the air box 7 is sprayed out from the alarm assembly 44, so that automatic alarm is realized, one side of the device mounting seat 1 is placed above the ground, and then one side of the detection mechanism 41 is placed on the slope of the foundation to be detected, meanwhile, the driving motor 2 drives the adjusting rod 5 to rotate, so that the detection mechanism 41 is contacted with the foundation, and positioning detection is carried out.
Example 2
Referring to fig. 1-5, the other contents of the present embodiment are the same as embodiment 1, except that: the flexible subassembly 45 runs through the gas cylinder 25 that sets up in accomodating the groove 21 including sliding, gas cylinder 25 top fixed connection fixed block 38, fixed block 38 one side and flexible pipe 13 fixed connection, support piece 22 is established to the cover on the gas cylinder 25 between fixed block 38 and the limiting plate 14, and gas cylinder 25 can slide from top to bottom in the accomodating groove 21 of limiting plate 14.
The alarm assembly 44 comprises a buzzer 23 fixedly arranged on the side wall below the gas cylinder 25, the gas outlet 24 is formed in the side wall of the gas cylinder 25 on one side of the buzzer 23, when the buzzer 23 moves into the accommodating groove 21, the gas outlet 24 of the buzzer 23 is sealed, in actual use, under the supporting effect of a foundation, the gas cylinder 25 moves upwards relative to the limiting plate 14 under the supporting effect of the probe 15, until the buzzer 23 on the gas cylinder 25 moves into the accommodating groove 21 of the limiting plate 14, and the gas outlet end of the buzzer 23 is in contact with the inner wall of the accommodating groove 21 to realize sealing.
The valve component 43 comprises a limiting column 19 which penetrates through one side of a fixing block 38 in a sliding mode, the top of the limiting column 19 is fixedly connected with a valve rod 17, a telescopic part 18 is sleeved on the limiting column 19, a communicating opening 39 is formed in the valve rod 17, the upper end of the valve rod 17 penetrates through the guide pipe 10 in a sliding mode, the valve rod 17 moves up and down, sealing and opening of the guide pipe 10 can be achieved under the effect of the communicating opening 39, when the valve is used for detecting and positioning, the fixing block 38 drives the valve rod 17 to ascend, the communicating opening 39 in the valve rod 17 moves into the guide pipe 10, the guide pipe 10 is communicated, high-pressure gas enters the gas guide cylinder 25 from the gas guide pipe 12 and the telescopic pipe 13 under the effect of the bellows 7, and the gas cannot flow out due to the fact that the honey device is in a sealing state at the moment.
The valve rod 17 below the communication port 39 is internally provided with a mounting groove 27, the mounting groove 27 is internally provided with a rotating column 9, the rotating column 9 is rotatably connected with the bottom wall of the mounting groove 27, the rotating column 9 is fixedly sleeved with a transmission bevel gear 16, one side of the transmission bevel gear 16 is provided with a drive bevel gear 37, the drive bevel gear 37 is rotatably connected with the inner wall of the mounting groove 27, the drive bevel gear 37 is in meshing transmission connection with the transmission bevel gear 16, the side wall of the valve rod 17 on one side of the rotating shaft of the drive bevel gear 37 is rotatably connected with a handle, and one side of the handle is fixedly connected with one end of the rotating shaft of the drive bevel gear 37.
The top of the rotating column 9 is fixedly connected with a screw rod 35, a driving block 36 is sleeved on the screw rod 35 in a threaded manner, two sides of the driving block 36 are in sliding contact with the side wall of the mounting groove 27, two sides of the driving block 36 are fixedly connected with a connecting rod 40, the top of the connecting rod 40 is fixedly connected with a piston block 33, and the top of the piston block 33 is fixedly connected with a piston column 26.
The valve rod 17 lateral wall of piston post 26 both sides slides and runs through and sets up installation section of thick bamboo 34, and fixed connection resets 32 in the installation section of thick bamboo 34, resets 32 one side fixed connection piston tooth 30, piston post 26 both ends are articulated transfer line 31, and transfer line 31 one end is articulated with installation section of thick bamboo 34 and is connected, when piston post 26 reciprocated, under the effect of transfer line 31, can drive installation section of thick bamboo 34 and remove, and the operating personnel of being convenient for resets valve rod 17.
The bottom of the conduit 10 on both sides of the valve rod 17 is fixedly connected with a mounting arm 29, the side wall of the mounting arm 29 is fixedly connected with a stop tooth 28, the stop tooth 28 and the piston tooth 30 are both in a structure with one side being an inclined plane, and the inclined planes of the stop tooth 28 and the piston tooth 30 are oppositely arranged, in actual operation, the valve rod 17 can only move upwards in one direction, when the detection surface is settled, under the action of the supporting member 22, the gas guide cylinder 25 is reset, the buzzer 23 extends out of the accommodating groove 21, and simultaneously when the gas guide cylinder 25 drives the fixed block 38 to move downwards, because the stop teeth 28 are arranged on both sides of the valve rod 17, when the fixed block 38 moves downwards, the valve rod 17 still keeps different under the action of the stop tooth 28, namely, the communication port 39 in the apparatus is still in the conduit 10, the conduit 10 is still in a gas-guiding communication state, at the same time, gas flows out from the buzzer 23, under the action of the buzzer 23, the alarm is realized by making a sound, and the worker can search the position where the settlement occurs according to the sound source of the alarm and then carry out timely remedial measures.
Generally speaking the device operation is convenient, and it is many to measure the position, and the scope is big, and during actual detection, can in time handle the detection site according to the alarm situation, workman's detection efficiency is higher.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-speed railway service line subsides detection device, includes the mount pad, its characterized in that still includes:
the mounting frame is arranged above the mounting seat, a mounting plate is arranged on one side of the mounting frame, and a main air pipe is arranged at the bottom of the mounting plate
The detection mechanism comprises an installation beam, a plurality of air guide pipes are fixedly connected between the installation beam and the main air pipe, a telescopic pipe is fixedly connected to the bottom of the installation beam, a limiting plate is arranged below the telescopic pipe and fixedly connected with the main air pipe, a containing groove is formed in the limiting plate in a penetrating mode, a telescopic assembly is arranged in the containing groove in the limiting plate, an alarm assembly is arranged on the telescopic assembly, and when detection is actually carried out, a probe is in contact with a detection surface;
Set up in air feed mechanism of main trachea one side, including bellows, the fixed connection pipe of the end of giving vent to anger of bellows, pipe one side and main trachea fixed connection, and inside intercommunication, pipe one side sets up the valve subassembly, and the valve subassembly with be used for providing standard detection atmospheric pressure to main trachea, the valve subassembly is connected with flexible subassembly, and when flexible subassembly rebound, the valve subassembly is opened, realizes the intercommunication of wind direction and main trachea, then when subsiding the phenomenon and appearing, flexible subassembly drives the warning subassembly and moves down, when the warning subassembly stretches out from accomodating the groove, gas in the bellows is from warning subassembly blowout, and then realizes automatic alarm.
2. The high-speed railway operation line settlement detection device of claim 1, wherein the telescopic assembly comprises an air guide cylinder slidably arranged in the accommodating groove in a penetrating manner, the top of the air guide cylinder is fixedly connected with a fixed block, one side of the fixed block is fixedly connected with the telescopic pipe, and a support member is sleeved on the air guide cylinder between the fixed block and the limiting plate.
3. The high-speed railway service line settlement detection device of claim 2, wherein the alarm assembly comprises a buzzer arranged on the side wall below the gas cylinder, and the gas cylinder on one side of the buzzer is provided with a gas outlet.
4. The high-speed railway operating line settlement detection device of claim 1, wherein the valve assembly comprises a limiting column which penetrates through one side of the fixing block in a sliding manner, the top of the limiting column is fixedly connected with a valve rod, a telescopic part is sleeved on the limiting column, a communication port is formed in the valve rod, and the upper end of the valve rod penetrates through the guide pipe in a sliding manner.
5. The device for detecting the settlement of the operating line of the high-speed railway according to claim 4, wherein a mounting groove is formed in the valve rod below the communication port, a rotating column is arranged in the mounting groove, a transmission bevel gear is fixedly sleeved on the rotating column, a driving bevel gear is arranged on one side of the transmission bevel gear, and the driving bevel gear is in meshing transmission connection with the transmission bevel gear.
6. The high-speed railway operation line settlement detection device of claim 5, wherein the top of the rotating column is fixedly connected with a screw rod, a driving block is sleeved on the screw rod through threads, two sides of the driving block are fixedly connected with connecting rods, the top of each connecting rod is fixedly connected with a piston block, and the top of each piston block is fixedly connected with a piston column.
7. The high-speed railway operation line settlement detection device of claim 6, wherein the side walls of the valve rods on two sides of the piston column are slidably penetrated and provided with an installation cylinder, a resetting piece is fixedly connected in the installation cylinder, one side of the resetting piece is fixedly connected with a piston tooth, two ends of the piston column are hinged with transmission rods, and one end of each transmission rod is hinged with the installation cylinder.
8. The high-speed railway service line settlement detection device of claim 7, wherein the bottom of the guide tube on both sides of the valve rod is fixedly connected with a mounting arm, the side wall of the mounting arm is fixedly connected with a stop tooth, and the stop tooth and the piston tooth are both in a structure with one side being an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217275.5A CN114518097A (en) | 2022-03-07 | 2022-03-07 | High-speed railway operation line subsides detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217275.5A CN114518097A (en) | 2022-03-07 | 2022-03-07 | High-speed railway operation line subsides detection device |
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| Publication Number | Publication Date |
|---|---|
| CN114518097A true CN114518097A (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210217275.5A Pending CN114518097A (en) | 2022-03-07 | 2022-03-07 | High-speed railway operation line subsides detection device |
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| CN (1) | CN114518097A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404838A (en) * | 2022-10-18 | 2022-11-29 | 河南省交通规划设计研究院股份有限公司 | Roadbed settlement detection device and detection method |
-
2022
- 2022-03-07 CN CN202210217275.5A patent/CN114518097A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404838A (en) * | 2022-10-18 | 2022-11-29 | 河南省交通规划设计研究院股份有限公司 | Roadbed settlement detection device and detection method |
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