CN115199337A - Tunnel structure stability detection alarm device and monitoring method - Google Patents
Tunnel structure stability detection alarm device and monitoring method Download PDFInfo
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- CN115199337A CN115199337A CN202210895212.5A CN202210895212A CN115199337A CN 115199337 A CN115199337 A CN 115199337A CN 202210895212 A CN202210895212 A CN 202210895212A CN 115199337 A CN115199337 A CN 115199337A
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Abstract
The invention discloses a tunnel structure stability detection alarm device and a monitoring method, wherein the tunnel structure stability detection alarm device comprises the following steps: the top surface of the mounting bottom plate is provided with a control platform body for finishing data processing and alarm alarming functions; an angle adjustment assembly. This a tunnel structure stability detects alarm device and monitoring method, through mutually supporting of angle adjusting part and distance adjusting part, make the adjustment of radar detector body position more accurate, be favorable to operating personnel to carry out even control, simultaneously also can adapt to different tunnel height, bottom spring and side adaptation spring through colliding in the adaptation subassembly mutually support, fix the adaptation piece, when the unevenness or when having the obstacle appear in the bottom surface, bottom spring and partial side adaptation spring compression, the spring of compression is with radar detector body and the laminating of tunnel inner wall, from not influencing normal detection ability, after crossing the obstacle, the spring will adapt to the piece rebound normal position.
Description
Technical Field
The invention belongs to the technical field of tunnel detection devices, and particularly relates to a tunnel structure stability detection alarm device and a monitoring method.
Background
Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and the tunnel conference held by the international economic cooperation and development organization in 1970 integrates various factors, and the definition of the tunnel is as follows: the tunnel is a cavity with a cross section area larger than 2 square meters and built according to a specified shape and size by any method under the ground for a certain purpose, and the structure of the tunnel comprises two parts, namely a main building and accessory equipment. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a vehicle-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment.
The tunnel engineering survey is a survey conducted at various stages of planning, survey design, construction and operation management of the tunnel engineering. In order to ensure that the tunnel can be accurately penetrated with a prescribed accuracy and that the relevant buildings and structures are correctly positioned, it is required that: a planning stage, which provides a topographic map for tunnel route selection and mapping data required by geological mapping; in the survey design stage, a survey map control net is distributed along the tunnel line, a strip-shaped topographic map is surveyed, the measurement and the setting of a tunnel opening point, a central line control pile and a central line turning point are carried out on site, and engineering design maps such as a tunnel circuit plan, a longitudinal section map, a tunnel body engineering geological cross section map, a longitudinal section map of a main opening and an auxiliary opening are drawn; the construction stage, carry on the corresponding measurement according to the precision and construction sequence that the tunnel construction requires, carry on the laying and measuring of the construction control network outside the tunnel and entrance to a cave of the opening control network according to the shape and main entrance to a cave of the tunnel circuit at first, and then carry on the calculation and measurement of the relation of entering a cave of the midline, extend the basic control network in the hole forward stage with the tunnel forward extension, and carry on the laying and measuring of the construction control wire and construction setting-out of the midline continuously, guide and guarantee to link up with the predetermined precision between different working faces, carry on the measurement of the actual through error and adjustment of the central line of the circuit after linking up, carry on the measurement of the longitudinal and transverse sections of the tunnel and setting-out of the relevant building in the construction process, and carry on the completion measurement; and in the construction and operation management stages, settlement observation and displacement observation of all parts of the earth surface and the tunnel body and related buildings are regularly carried out.
At present, current tunnel detection is accomplished through radar detector usually, but current radar detector is when detecting, adopt the operation of artifical support and support usually, artifical support stands in the vehicle for the detection personnel usually, and lift radar detector, make its top and the contact of tunnel inner wall, operating personnel is comparatively tired during the detection, simultaneously because the shock, make detected data comparatively inaccurate, support is a fixed support on the vehicle that removes, later on install radar detector on the support, the support is after installing radar detector, radar detector's top will contact with tunnel top inner wall, fixed support of usefulness is difficult to regulate and control simultaneously, and when obstacle or bottom surface are not at ordinary times appear in the bottom surface, radar detector and the contact of tunnel inner wall will be stronger or weaker gap, if great or obstacle is more serious, can make the contact of radar detector and tunnel inner wall become physical collision, make radar detector's detected data inaccurate, under the serious condition, can lead to radar detector to damage, lead to unnecessary economic loss.
Disclosure of Invention
The invention aims to: through the mutually supporting of angle adjusting part and distance adjusting part, adjust the position of mounting panel, the adjustment of adjustable shelf angle is more accurate simultaneously, make the angular position of radar detector body more accurate, later under electric telescopic handle's the effect, can adjust the relative height of radar detector body, the position to radar detector body under mutually supporting of subassembly is controlled, the adjustment of position is more accurate, even be favorable to operating personnel to control, simultaneously also can adapt to different tunnel heights, bottom spring and side adaptation spring through among the collision adaptation subassembly mutually support, carry out fixed connection to the adaptation piece, when the unevenness appears in the bottom surface or there is the obstacle, bottom spring and partial side adaptation spring compression, the spring of compression is with laminating of radar detector body and tunnel inner wall, from not influencing normal detection ability, after crossing the obstacle, the spring will adapt to the piece normal position.
The technical scheme adopted by the invention is as follows: a tunnel structure stability detection alarm device comprises: the top surface of the mounting bottom plate is provided with a control platform body for finishing data processing and alarm functions; the angle adjusting assembly comprises a fixed plate, a threaded rod, a limiting plate, a movable block, an insertion rod and two connecting rods, wherein the fixed plate is fixedly connected to the top surface of the mounting bottom plate, the threaded rod is rotatably connected to the outer wall of one side of the fixed plate, the limiting plate is rotatably connected to the outer wall of the threaded rod, the limiting plate is fixedly connected to the top surface of the mounting bottom plate, the movable block is movably sleeved on the outer wall of the threaded rod, a through hole is formed in the outer wall of one side of the movable block, the insertion rod is rotatably connected into the through hole, and the two connecting rods are respectively and fixedly connected to the two ends of the insertion rod; the distance adjusting assembly comprises a transfer rod, a movable frame, a limiting frame, a movable plate frame, a mounting plate and a control assembly, the transfer rod is fixedly connected between one ends of two connecting rods, the movable frame is rotatably connected to the top surface of the mounting base plate, the transfer rod penetrates through the movable frame in a movable mode, the limiting frame is fixedly connected to the top surface of the movable frame, sliding penetrating grooves are formed in the outer walls of the two sides of the limiting frame, the movable plate frame is connected between the inner walls of the limiting frame in a sliding mode, the mounting plate is fixedly connected to the outer wall of one side of the movable plate frame, and the control assembly is arranged on the top surface of the limiting frame and used for controlling the position of the movable plate frame; the collision adaptation component is arranged on the top surface of the mounting plate and used for improving the safety of the tunnel structure in stability detection; and the radar detector body is arranged at the top end of the collision adaptation assembly and used for realizing the detection function of the tunnel structure.
Wherein, collision adaptation subassembly is including adaptation case, a plurality of bottom spring, adaptation piece, a plurality of side adaptation spring and top cooperation board, adaptation case fixed connection is in the top surface of mounting panel, and is a plurality of the equal fixed connection of bottom spring is in the interior bottom surface of adaptation case, adaptation piece fixed connection is between the one end of a plurality of bottom springs, and is a plurality of side adaptation spring difference fixed connection is in one side inner wall of adaptation case, and the other end of a plurality of side adaptation springs and the equal fixed connection of outer wall of adaptation piece, top cooperation board fixed connection is in the top surface of side adaptation spring, the top surface of top cooperation board and the bottom surface of radar detection ware body are connected.
The motor is installed on the top surface of the installation bottom plate, and the output end of the motor is fixedly connected with one end of the threaded rod.
And a limiting rod is fixedly connected between the outer walls of one sides of the fixed plate and the limiting plate, and the limiting rod penetrates through the movable block in a sliding manner.
Wherein, the manipulation subassembly includes control panel, two electric telescopic handle and jacking plate, control panel fixed connection is in the top surface of limit frame, two electric telescopic handle all installs in one side outer wall of control panel, jacking plate fixed connection is in the top surface of activity grillage, and one side outer wall of jacking plate and two electric telescopic handle's output fixed connection.
The side adapts to the bottom surface of spring and the interior top surface of adaptation case and has all seted up the embedded groove, two the inside of embedded groove all inlays and is equipped with magnet.
The top surface fixedly connected with guardrail of mounting plate, the top surface extension of guardrail is provided with the handrail.
Wherein, a plurality of universal wheels are installed to the bottom surface of mounting plate.
Wherein, the both sides outer wall of activity grillage is fixedly connected with dislocation prevention pole respectively, every group dislocation prevention pole all is provided with two, and two sets of dislocation prevention pole set up respectively in corresponding slip through-groove.
A monitoring method of a tunnel structure stability detection alarm device comprises the following steps: s1, checking before starting: judging whether the radar detector body can normally operate or not by pressing the radar detector body and adjusting the control platform body, checking whether a buzzer of the control platform body can normally operate or not, and checking a data connection line between the radar detector body and the buzzer;
s2, preparation before detection: the device is moved to a preset position through a guardrail, a handrail and universal wheels, and then the top surface of the radar detector body is contacted with the inner wall of the tunnel through an angle adjusting component and a distance adjusting component; s3, tunnel detection: through handrail and universal wheel control the device removal, when meetting uneven bottom surface or debris, the adaptation piece can be driven by the radar detector body and turn on one's side, oppresses bottom spring and side adaptation spring, and after crossing the obstacle, bottom spring and side adaptation spring will adapt to the piece and move back the normal position.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) According to the radar detector, the position of the mounting plate is adjusted through the mutual matching of the angle adjusting component and the distance adjusting component, meanwhile, under the action of the threaded rod, the angle of the movable frame is adjusted more accurately, so that the angle position of the radar detector body is more accurate, then, under the action of the electric telescopic rod, the relative height of the radar detector body can be adjusted, the radar detector body is controlled under the mutual matching of the components, the position is adjusted more accurately, an operator can control the radar detector body, and meanwhile, the radar detector can adapt to different tunnel heights.
(2) According to the invention, the bottom spring and the side adaptive springs in the collision adaptive assembly are mutually matched to fixedly connect the adaptive blocks, when the bottom surface is uneven or has an obstacle, the bottom spring and part of the side adaptive springs are compressed, the compressed springs attach the radar detector body to the inner wall of the tunnel, so that the normal detection capability is not influenced, and after the obstacle is crossed, the adaptive blocks are rebounded to the original position by the springs.
(3) According to the invention, the maximum and minimum moving paths of the movable plate frame are limited through the dislocation prevention rod, the movable plate frame can be prevented from shifting or separating, the guardrail is used for protecting elements in the device, the control platform body is used for analyzing the acquired data, and then the alarm and the warning are carried out through the existing buzzer.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial rear perspective view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a perspective view of the angle adjustment assembly of the present invention;
FIG. 5 is a bottom perspective view of the angle adjustment assembly of the present invention;
FIG. 6 is a cross-sectional perspective view of the impact accommodation assembly of the present invention;
fig. 7 is a perspective view, partially in section, of an impact adaptation assembly of the present invention.
The mark in the figure is: 1. mounting a bottom plate; 2. a control platform body; 3. an angle adjustment assembly; 301. a fixing plate; 302. a threaded rod; 303. a limiting plate; 304. a movable block; 305. an insertion rod; 306. a connecting rod; 307. a motor; 308. a restraining bar; 4. a distance adjustment assembly; 401. a middle rotating rod; 402. a movable frame; 403. a restraint frame; 404. a movable plate frame; 405. a dislocation prevention lever; 406. mounting a plate; 5. a collision-accommodating component; 501. an adaptation box; 502. a bottom spring; 503. an adaptation block; 504. the side edge adapts to the spring; 505. a top mating plate; 6. a steering assembly; 601. a control panel; 602. an electric telescopic rod; 603. jacking up the plate; 7. a radar detector body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one, with reference to fig. 1-7: a tunnel structure stability detection alarm device and a monitoring method comprise the following steps: the system comprises a mounting base plate 1, a control platform body 2 is mounted on the top surface of the mounting base plate 1 and used for completing data processing and alarm functions; the angle adjusting assembly 3, the angle adjusting assembly 3 includes a fixing plate 301, a threaded rod 302, a limiting plate 303, a movable block 304, an insertion rod 305 and two connecting rods 306, the fixing plate 301 is fixedly connected to the top surface of the installation bottom plate 1, the threaded rod 302 is rotatably connected to the outer wall of one side of the fixing plate 301, the limiting plate 303 is rotatably connected to the outer wall of the threaded rod 302, the limiting plate 303 is fixedly connected to the top surface of the installation bottom plate 1, the movable block 304 is movably sleeved on the outer wall of the threaded rod 302, a through hole is formed in the outer wall of one side of the movable block 304, the insertion rod 305 is rotatably connected to the through hole, and the two connecting rods 306 are respectively and fixedly connected to two ends of the insertion rod 305; distance adjusting assembly 4, distance adjusting assembly 4 includes transit bar 401, movable frame 402, limiting frame 403, activity grillage 404, mounting panel 406 and manipulation subassembly 6, transit bar 401 fixed connection is between the one end of two connecting rods 306, movable frame 402 rotates and connects in the top surface of mounting plate 1, and transit bar 401 activity runs through movable frame 402, limiting frame 403 fixed connection is in the top surface of movable frame 402, the both sides outer wall of limiting frame 403 all has seted up the slip and has run through the groove, activity grillage 404 sliding connection is between the inner wall of limiting frame 403, mounting panel 406 fixed connection is in one side outer wall of activity grillage 404, manipulation subassembly 6 sets up in the top surface of limiting frame 403, be used for controlling the position of activity grillage 404; the collision adaptation component 5 is arranged on the top surface of the mounting plate 406, and is used for improving the safety of the stability detection of the tunnel structure; and radar detector body 7, radar detector body 7 is installed on the top of collision adaptation component 5, so as to realize the detection function of the tunnel structure, motor 307 is installed on the top surface of installation bottom plate 1, the output end of motor 307 is fixedly connected with one end of threaded rod 302, limit rod 308 is fixedly connected between one side outer wall of fixed plate 301 and limit plate 303, limit rod 308 slides to penetrate through movable block 304, by starting motor 307, motor 307 drives threaded rod 302 to rotate, threaded rod 302 and movable block 304 are in threaded connection, movable block 304 is driven by threaded rod 302, and at the same time, under the limit of limit rod 308, linear movement is performed, connecting rod 306 is driven to move, so that the angle of movable frame 402 changes, and the relative angle of installation plate 406 can be changed, then two electric telescopic rods 602 are started, electric telescopic rods 602 drive two jacking plates 603 to move forward, jacking plates 603 drive movable plate frame 404 and installation plate 404 to move, at this time, under the limit of anti-dislocation rod 405, so that movable plate 404 cannot turn over, and simultaneously, and cannot fall off from within limit frame 403, through angle adjustment component 3 and distance adjustment component 4 and manipulation component 6, radar detector body 7, and detection platform 2, and buzzer control platform are favorable for detecting the detection, and detection of radar detector body, and buzzer detection, and buzzer control platform are favorable for detecting the detection of the detection platform.
Referring to FIGS. 1-7: the collision adapting component 5 comprises an adapting box 501, a plurality of bottom springs 502, an adapting block 503, a plurality of side adapting springs 504 and a top matching plate 505, the adapting box 501 is fixedly connected to the top surface of the mounting plate 406, the bottom springs 502 are fixedly connected to the inner bottom surface of the adapting box 501, the adapting block 503 is fixedly connected between one ends of the bottom springs 502, the side adapting springs 504 are respectively and fixedly connected to the inner wall of one side of the adapting box 501, the other ends of the side adapting springs 504 and the outer wall of the adapting block 503 are fixedly connected, the top matching plate 505 is fixedly connected to the top surface of the side adapting springs 504, the top surface of the top matching plate 505 is connected with the bottom surface of the radar detector body 7, the operating component 6 comprises an operating plate 601, two electric telescopic rods 602 and a jacking plate 603, the operating plate 601 is fixedly connected to the top surface of the limiting frame 403, two electric telescopic rods 602 are all arranged on the outer wall of one side of the control board 601, the jacking board 603 is fixedly connected with the top surface of the movable board frame 404, one outer wall of one side of the jacking board 603 is fixedly connected with the output ends of the two electric telescopic rods 602, embedded grooves are respectively arranged on the bottom surface of the side adaptive spring 504 and the inner top surface of the adaptive box 501, magnets are embedded in the two embedded grooves, the top surface of the installation bottom board 1 is fixedly connected with guardrails, handrails are arranged on the top surface of the guardrails in an extending manner, a plurality of universal wheels are arranged on the bottom surface of the installation bottom board 1, dislocation prevention rods 405 are respectively and fixedly connected with the outer walls of two sides of the movable board frame 404, two dislocation prevention rods 405 are respectively arranged in the corresponding sliding through grooves, when the device is used for detection, because the ground can have irresistible fluctuating situations, the bottom spring 502 and part of the side adaptive spring 504 are compressed, make radar detector body 7 maintain the state of laminating with the tunnel wall for it can avoid the influence of ground undulation and obstacle on the road, after passing through the obstacle district, the spring of compression kick-backs, and then inter attraction between the magnet limits the position between adaptation case 501 and the adaptation piece 503, makes its return speed faster, and dislocation prevention pole 405 also can prevent that movable grillage 404 from taking place the skew or breaking away from when playing spacing effect.
A monitoring method of a tunnel structure stability detection alarm device comprises the following steps: s1, checking before starting: judging whether the radar detector body 7 can normally operate or not by pressing the radar detector body and adjusting the control platform body 2, checking whether a buzzer of the control platform body 2 can normally operate or not, and checking a data connection line between the two; s2, preparation before detection: the device is moved to a preset position through a guardrail, a handrail and universal wheels, and then the top surface of the radar detector body 7 is contacted with the inner wall of the tunnel through an angle adjusting component 3 and a distance adjusting component 4; s3, tunnel detection: the device is controlled to move by the armrests and the universal wheels, when an uneven bottom surface or sundries are encountered, the adaptation blocks 503 are driven by the radar detector body 7 to turn over, the bottom springs 502 and the side adaptation springs 504 are pressed, and after the obstacles are overcome, the adaptation blocks 503 are moved back to the original position by the bottom springs 502 and the side adaptation springs 504.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a tunnel structure stability detection alarm device which characterized in that includes:
the device comprises a mounting base plate (1), wherein a control platform body (2) is mounted on the top surface of the mounting base plate (1) and used for completing data processing and alarm functions;
the angle adjusting assembly (3) comprises a fixing plate (301), a threaded rod (302), a limiting plate (303), a movable block (304), an inserting rod (305) and two connecting rods (306), wherein the fixing plate (301) is fixedly connected to the top surface of the mounting base plate (1), the threaded rod (302) is rotatably connected to the outer wall of one side of the fixing plate (301), the limiting plate (303) is rotatably connected to the outer wall of the threaded rod (302), the limiting plate (303) is fixedly connected with the top surface of the mounting base plate (1), the movable block (304) is movably sleeved on the outer wall of the threaded rod (302), a through hole is formed in the outer wall of one side of the movable block (304), the inserting rod (305) is rotatably connected in the through hole, and the two connecting rods (306) are respectively and fixedly connected to two ends of the inserting rod (305);
distance adjusting assembly (4), distance adjusting assembly (4) includes transfer lever (401), adjustable shelf (402), limiting frame (403), movable grillage (404), mounting panel (406) and control subassembly (6), transfer lever (401) fixed connection is between the one end of two connecting rods (306), adjustable shelf (402) rotate to be connected in the top surface of mounting plate (1), and transfer lever (401) activity runs through adjustable shelf (402), limiting frame (403) fixed connection is in the top surface of adjustable shelf (402), the both sides outer wall of limiting frame (403) has all seted up the slip and has run through the groove, movable grillage (404) sliding connection is between the inner wall of limiting frame (403), mounting panel (406) fixed connection is in one side outer wall of movable grillage (404), control subassembly (6) set up in the top surface of limiting frame (403) for control the position of movable grillage (404);
the collision adaptation component (5) is arranged on the top surface of the mounting plate (406) and used for improving the safety of the tunnel structure in stability detection; and
the radar detector body (7), radar detector body (7) are installed on the top of collision adaptation subassembly 5 for realize tunnel structure and detect the function.
2. The tunnel structure stability detection alarm device according to claim 1, wherein: collision adaptation subassembly (5) is including adaptation case (501), a plurality of bottom spring (502), adaptation piece (503), a plurality of side adaptation spring (504) and top cooperation board (505), adaptation case (501) fixed connection is in the top surface of mounting panel (406), and is a plurality of bottom spring (502) equal fixed connection is in the interior bottom surface of adaptation case (501), adaptation piece (503) fixed connection is between the one end of a plurality of bottom spring (502), and is a plurality of side adaptation spring (504) is fixed connection in one side inner wall of adaptation case (501) respectively, and the equal fixed connection of the other end of a plurality of sides adaptation spring (504) and the outer wall of adaptation piece (503), top cooperation board (505) fixed connection is in the top surface of side adaptation spring (504), the top surface of top cooperation board (505) and the bottom surface of radar detector body (7) are connected.
3. The tunnel structure stability detection alarm device according to claim 1, wherein: the motor (307) is installed to the top surface of mounting plate (1), the output of motor (307) and the one end fixed connection of threaded rod (302).
4. The tunnel structure stability detection alarm device according to claim 1, wherein: a limiting rod (308) is fixedly connected between the outer walls of one sides of the fixing plate (301) and the limiting plate (303), and the limiting rod (308) penetrates through the movable block (304) in a sliding mode.
5. The tunnel structure stability detection alarm device according to claim 1, wherein: the control assembly (6) comprises a control plate (601), two electric telescopic rods (602) and a jacking plate (603), the control plate (601) is fixedly connected to the top surface of the limiting frame (403), the two electric telescopic rods (602) are installed on the outer wall of one side of the control plate (601), the jacking plate (603) is fixedly connected to the top surface of the movable plate frame (404), and the outer wall of one side of the jacking plate (603) is fixedly connected to the output ends of the two electric telescopic rods (602).
6. The tunnel structure stability detection alarm device according to claim 2, wherein: the bottom surface of side adaptation spring (504) and the interior top surface of adaptation case (501) have all been seted up the embedded groove, two the inside of embedded groove all is inlayed and is equipped with magnet.
7. The tunnel structure stability detection alarm device according to claim 1, wherein: the top surface fixedly connected with guardrail of mounting plate (1), the top surface extension of guardrail is provided with the handrail.
8. The tunnel structure stability detection alarm device according to claim 1, wherein: a plurality of universal wheels are installed on the bottom surface of the installation bottom plate (1).
9. The tunnel structure stability detection alarm device of claim 6, wherein: the both sides outer wall of activity grillage (404) is fixedly connected with dislocation prevention pole (405) respectively, every group dislocation prevention pole (405) all is provided with two, and two sets of dislocation prevention pole (405) set up respectively in corresponding the slip runs through the inslot.
10. A monitoring method for a tunnel structure stability detection alarm device, which is applied to the tunnel structure stability detection alarm device of any one of claims 1 to 9, and comprises the following steps:
s1, checking before starting: judging whether the radar detector body (7) can normally operate or not by pressing the radar detector body and the adjusting control platform body (2), checking whether a buzzer of the control platform body (2) can normally operate or not, and checking a data connection line between the radar detector body and the buzzer;
s2, preparation before detection: the device is moved to a preset position through a guardrail, a handrail and universal wheels, and then the top surface of the radar detector body (7) is contacted with the inner wall of the tunnel through an angle adjusting component (3) and a distance adjusting component (4);
s3, tunnel detection: the device is controlled to move through the armrests and the universal wheels, when the device encounters uneven ground or sundries, the adaptive block (503) can be driven by the radar detector body (7) to turn on the side, the bottom spring (502) and the side adaptive spring (504) are pressed, and after the obstacle is overcome, the adaptive block (503) is moved back to the original position through the bottom spring (502) and the side adaptive spring (504).
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