CN116879168A - Vehicle-mounted nondestructive automatic detection device for tunnel lining quality - Google Patents
Vehicle-mounted nondestructive automatic detection device for tunnel lining quality Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a vehicle-mounted nondestructive automatic detection device for tunnel lining quality. The detection device comprises a carrying module, a storage module, a sliding module, a longitudinal telescopic module, a transverse telescopic module and a detection module. The detection module can detect the flatness of the tunnel lining, and can also adjust the detection angle, the detection height and the detection range; the lifting module can adjust the height of the detection module in a larger range so as to adapt to different tunnel vaults; the storage module can store the lifting module and the detection module. The detection device mainly solves the problems that the existing detection device is limited in detection range and cannot automatically stretch and retract for fine adjustment, and the whole device is heavy, poor in flexibility and insufficient in rigidity, achieves the functions of fine adjustability of detection points, high in automation degree and retractable storage of the whole device, and improves the flexibility, safety and economical efficiency of tunnel lining quality on-site detection operation.
Description
Technical Field
The invention relates to the technical field of tunnel detection, in particular to a vehicle-mounted nondestructive automatic detection device for tunnel lining quality.
Background
Along with the continuous promotion of tunnel construction technology, the length of tunnel is constantly increased, and the construction degree of difficulty also increases along with it, and the rock around the tunnel takes place to warp and collapse easily. The lining is a permanent supporting structure which is built for preventing surrounding rocks from deforming and collapsing and protecting tunnels. The lining material is usually made of masonry, steel bars and concrete, and after mixing several materials, the construction team builds the lining material around the tunnel or directly on the tunnel. However, due to the change of geological conditions, many factors in the construction process, deformation, movement and cracking of tunnel lining may occur, which affects the construction and driving safety. Therefore, it is necessary to periodically detect the flatness of the tunnel lining.
The radar in the current tunnel detection device is most widely applied, and the detection modes of the radar include various detection modes such as manual detection, vehicle-mounted detection and the like. Compared with manual detection, the vehicle-mounted radar has the advantage that the detection efficiency is improved greatly. Tunnel detection devices have evolved rapidly in recent years, publication No.: CN107678026a, chinese patent publication day 2018, 2, 9 discloses a tunnel lining status detecting device. The device installs the detection radar on mechanical bent arm, adjusts the detection scope through the flexible of mechanical bent arm, adapts to tunnel lining's shape. But the mechanical bent arm of the device adopts a bending lifting principle, the bent arm is stretched and contracted through the gear shaft, the whole detection device is not enough in structural rigidity, and the detection range is limited because the mechanical bent arm cannot be adjusted according to different tunnel lining shapes. Publication No.: CN109080649a, chinese patent with publication date of 2018, 12, 25, discloses a tunnel detection device. The device utilizes the probe rod to detect the lining and has or not the crack, and the probe rod is connected with the drawing line subassembly, detects the position that the crack appears in the probability through the drawing line. But the detection precision of the device is not high, the detection rod needs to be tightly attached to the lining in the whole process of detection, and the problem that the whole device cannot be folded and unfolded finely and flexibly exists.
To sum up, the existing tunnel lining quality detection device has the following problems:
1. the detection device cannot be adjusted according to the shape of the tunnel lining, the detection range and the precision are guaranteed, and the bending arm is insufficient in detection overall rigidity, so that the detection device capable of being adjusted according to the shape of the tunnel lining is required, and has good rigidity and reliability is guaranteed.
2. The detection accuracy of the detection device is not high, and if the pure mechanical device receives external interference in the detection process, the detection accuracy fluctuates greatly, so that the detection is required to be carried out by adopting an automatic device, and the detection direction and angle of the device can be adjusted.
3. Each detection device can only detect lining flatness on a straight line, can not carry out telescopic adjustment in the transverse direction and the longitudinal direction, and if a turning part or tunnel lining shape is changed, the detection range is easily affected, so that the detection device is required to carry out transverse or longitudinal telescopic operation, and the detection range is ensured not to be greatly affected in the driving process of the detection device.
4. The whole volume of current detection device is huge, all exposes outside and deposits when not working, can't carry out the recovery and seal and deposit, leads to the inspection device to appear inefficacy, trouble easily, and the whole life of device is shorter, needs frequent maintenance and maintenance, can't effectively pack up the device after the detection is accomplished and be convenient for transport.
Aiming at the problems of the existing tunnel lining quality detection device, the invention is needed to invent a telescopic tunnel lining quality detection device so as to solve the problems that the existing detection device is insufficient in detection range and reliability, low in detection precision, easy to influence in detection range and incapable of being recovered.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a vehicle-mounted nondestructive automatic detection device for the tunnel lining quality. The invention is provided with a carrying module, a storage module, a sliding module, a longitudinal telescopic module, a transverse telescopic module and a detection device. The carrying module can carry other modules to a detection position for detection; the storage module can store the sliding module, the longitudinal telescopic module, the transverse telescopic module and the detection module after detection is completed, so that the next use is facilitated, and meanwhile, the jack in the storage module can expand the longitudinal detection range of the detection module, so that the detection module is suitable for a higher tunnel; the sliding module is matched with the transverse telescopic module to realize transverse movement of the detection module, expand the transverse detection range and adjust according to the width of the tunnel; the longitudinal telescopic module can enable the detection device to longitudinally move, the height of the detection module is adjusted through the ball screw pair, the detection module has higher-precision longitudinal movement, and the detection precision of the device is improved; the transverse telescopic module can carry the detection module to transversely move, and the column groove processed on the support column can adjust the transverse movement range of the detection module, so that the detection module has higher-precision longitudinal movement, and the detection precision of the device is improved; the lining quality detection radar or the camera is arranged on the detection module, the device is provided with the transverse rolling shaft and the pitching shaft which are both connected with the motor, the rotation freedom degree of the detection radar or the camera in two directions can be realized, the detection range is enlarged, meanwhile, the vibration of the detection module brought by the detection device body in the running process can be reduced by the elastic rubber damping ball at the lower end, and the detection precision of the device is improved.
The technical scheme adopted by the invention is as follows: the vehicle-mounted nondestructive automatic detection device for the tunnel lining quality is divided into six modules: the device comprises a carrying module, a storage module, a sliding module, a longitudinal telescopic module, a transverse telescopic module and a detection module.
The carrying module consists of a headstock, a wheel shaft, wheels and a tailstock. The storage module consists of a jack, a jack platform, a storage platform and a storage warehouse; the jack top is connected with the jack platform, the jack platform top is connected with the storage platform, the storage platform is embedded in the storage warehouse, and the storage module achieves the storage functions of the sliding module, the longitudinal telescopic module, the transverse telescopic module and the detection module. When the carrying module conveys the whole device to a designated position, the detection module is conveyed to the vicinity of the detection position through the jack in the storage module, and the position is accurately adjusted through the longitudinal telescopic module.
The sliding module consists of a bottom guide rail, a pad rail and an upper guide rail. The bottom guide rail, the pad rail and the upper guide rail are all U-shaped guide rails, and the bottom guide rail sliding groove, the pad rail sliding groove and the upper guide rail are connected to form a guide rail kinematic pair. The sliding module realizes the transverse sliding of the telescopic module and the detection module, and the transverse detection range is enlarged. When the sliding module works, the bottom guide rail does not move, the pad rail and the upper guide rail move through the connected motor, and when the position to be detected is far away from the detection module in the transverse distance, the device is brought to the vicinity of the detection module through the sliding module, and the position is accurately adjusted through the transverse telescopic module.
The longitudinal telescopic module consists of a guide rail sliding block, a support base I, a support sliding rod, a scissor support I, a connecting pin II, a motor, a scissor support II, a support table, a connecting pin III, a coupler, a ball screw pair, a hydraulic cylinder and a support base II; the inner groove of the guide rail slide block is matched with the upper guide rail, and the support base I is fixedly connected with the upper part of the guide rail slide block, so that the base can move linearly back and forth on the guide rail; base sliding grooves are formed in two sides of the support base I, and the support sliding rod can slide in the base sliding grooves. The two scissor supports I are connected through a connecting pin I; two ends of the scissor bracket I are provided with bracket holes I, and two bracket holes at the lower end are respectively connected to the bracket sliding rod and the base joint of the bracket base I; the two support holes I at the upper end are connected with the scissor support holes of the scissor support II through the connecting pins II, and a support joint is processed at the upper end of the scissor support II and fixedly connected with a support stand support at the bottom of the support stand; the two sides of the whole longitudinal expansion module are provided with the mechanisms, wherein the scissor supports II on the two sides are connected with the connecting pin III through the middle support middle holes; the motor is fixed on the bracket base I, the motor shaft is connected with the ball screw pair through the coupler, and a screw nut of the ball screw pair is fixedly connected with the bracket slide bar; the bottom of the hydraulic cylinder is fixedly connected with a screw nut, and the top of the hydraulic cylinder is fixedly connected with a connecting pin III; the longitudinal telescopic device can adjust the detection height of the detection module, is suitable for a tunnel vault which is not used, and realizes the controllable detection height of the device. When the longitudinal telescopic module works, the motor is started, the motor shaft drives the ball screw to rotate through the coupling, the screw nut makes linear motion on the ball screw, the support sliding rod connected to the screw nut makes horizontal movement in the sliding groove, the movable end scissor support I is driven to form an included angle with the fixed end scissor support I, and the primary lifting mechanism starts to work. The hydraulic cylinder fixed at the bottom of the bracket and propped against the screw nut is driven to lift, the hydraulic cylinder lifts the connecting pin III connected with the hydraulic cylinder through expansion, an included angle is formed between the two scissor brackets II, and the secondary lifting mechanism starts to work. The longitudinal detection range of the detection module is improved.
The transverse telescopic module consists of a support column I, a support column II, a support column III, telescopic pins and connecting strips; the telescopic pins are respectively embedded in a column groove I of the support column I, a column groove II of the support column II and a column groove III of the support column III, holes on the connecting strips are matched with the telescopic pins, and each column groove surface of the support column is provided with two connecting strips matched with one pin; the transverse telescopic module can convey the detection module to a detection position farther, so that the horizontal detection range of the device is controllable. When the transverse telescopic module works, the motor on the guide rail sliding block drives the whole device to transversely move, the support columns I, II and III are connected through connecting strips, and the distance between the three detection modules can be adjusted in the detection process so as to adapt to lining surfaces with different radians.
The detection module consists of a camera fixing plate, a pitching shaft, a connecting shaft bracket, a pitching shaft motor, a rolling shaft motor, a transverse rolling shaft, a damping ball bracket and a rubber damping ball; a plate groove is formed in the bottom of the camera fixing plate and is matched with the pitching shaft; the two ends of the pitching shaft are fixed on a connecting shaft frame, one end of the connecting shaft frame is provided with a hole, the hole is matched with a motor shaft of a pitching shaft motor to form a shaft hole, and the motor shaft is fixedly connected with the pitching shaft; the connecting shaft frame is matched with the transverse rolling shaft through a top hole and a transverse rolling shaft motor shaft in a hole-shaft mode, and the transverse rolling shaft is matched with the transverse rolling shaft motor shaft through a shaft hole; a plurality of rubber damping balls are embedded in the damping ball frame, a bottom shaft hole is processed on a shaft seat at the lower end of the transverse rolling shaft, and a ball frame shaft at the top of the damping ball frame is matched with the bottom shaft hole of the transverse rolling shaft to form a shaft hole; the detection module is responsible for detecting the flatness of the tunnel lining, and meanwhile, the rotation degrees of freedom of the two directions of the detection radar or the camera can be adjusted through the transverse rolling shaft and the pitching shaft, so that the detection angle of the device is controllable. When the detection module works, the detection radar or the camera can be adjusted to a proper angle for detection by rotating the transverse rolling shaft and the pitching shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the detection range is adjustable and the adjustment range is larger. The sliding module can horizontally move the detection module to the vicinity of the detection position, the detection position is accurately adjusted through the transverse telescopic module, the jack in the storage module can vertically move the detection module to the vicinity of the detection position, the detection position is accurately adjusted through the longitudinal telescopic module, and the positioning of the detection module is realized.
2. The detection accuracy of the detection device is high. The detection radar or the camera can be conveyed to the detection position for detection through the accurate positioning of the detection position by other modules and the angle adjustment of the roll axis and the pitch axis on the detection module.
3. The detection device can realize automation, detects through a plurality of module cooperation, compares in pure mechanical detection device, and external interference resistance ability is stronger.
4. The detection device can be recovered, the lifting platform descends after detection is completed, the whole device is placed in the storage warehouse, the detection device is effectively protected, the reliability of the detection device is improved, the maintenance cost is reduced, and the whole device is convenient to transport.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a carrying module of a vehicle-mounted nondestructive automatic detection device for tunnel lining quality;
FIG. 2 is a schematic diagram of a three-dimensional structure of a sliding module and a longitudinal telescopic module of a tunnel lining quality vehicle-mounted nondestructive automatic detection device;
FIG. 3 is a schematic diagram of a three-dimensional structure of a transverse expansion module of a tunnel lining quality vehicle-mounted nondestructive automatic detection device;
FIG. 4 is a schematic perspective view of a storage module of a tunnel lining quality vehicle-mounted nondestructive automatic detection device;
FIG. 5 is a schematic diagram of the operation of a transverse sliding module of a tunnel lining quality vehicle-mounted nondestructive automatic detection device;
FIG. 6 is a schematic diagram of the operation of the transverse expansion module and the longitudinal expansion module of the tunnel lining quality vehicle-mounted nondestructive automatic detection device;
FIG. 7 is a schematic diagram of the operation of a storage module of the tunnel lining quality vehicle-mounted nondestructive automatic detection device;
FIG. 8 is a schematic diagram of the key structure of the bracket base I;
FIG. 9 is a schematic diagram of the key structure of the scissor bracket I;
FIG. 10 is a schematic diagram of a key structure of a scissor bracket II;
in the figure: 1-a headstock; 2-wheels; 3-wheel axle; 4-vehicle tail; 5-storing the module; 501-jack; 502-jack stands; 503-a storage stage; 504-a repository; 6-a bottom rail; 7-pad rail; 8-upper guide rail; 9-a longitudinal expansion module; 901-a guide rail slide block; 902-a bracket base I; 903-rack slide bar; 904-a scissor bracket I; 905-connection pins I; 906-connecting pin II; 907-motor; 908-a scissor bracket II; 909-a stand; 910-connection pin iii; 911-coupling; 912-ball screw pair; 913-hydraulic cylinder; 914-a bracket base II; 10-a transverse expansion module; 1001-supporting column I; 1002-supporting column II; 1003-supporting column III; 1004-telescoping pins; 1005-connecting strips; 11-a detection module; 1101-camera fixation plate; 1102-pitch axis; 1103-coupling rack; 1104-pitch axis motor; 1105-roll axis motor; 1106-a cross roller; 1107-a shock-absorbing ball frame; 1108-rubber shock ball.
Detailed Description
The technical scheme of the invention is further specifically described below through specific embodiments and with reference to the accompanying drawings.
The vehicle-mounted nondestructive automatic detection device for the tunnel lining quality is divided into six modules: the device comprises a carrying module, a storage module, a sliding module, a longitudinal telescopic module, a transverse telescopic module and a detection module. The carrying module consists of a headstock, a wheel shaft, wheels and a tailstock. The storage module consists of a jack, a jack platform, a storage platform and a storage warehouse; the jack top is connected with the jack platform, the jack platform top is connected with the storage platform, the storage platform is embedded in the storage warehouse, and the storage module achieves the storage functions of the sliding module, the longitudinal telescopic module, the transverse telescopic module and the detection module. When the carrying module conveys the whole device to a designated position, the detection module is conveyed to the vicinity of the detection position through the jack in the storage module, and the position is accurately adjusted through the longitudinal telescopic module. The sliding module consists of a bottom guide rail, a pad rail and an upper guide rail. The bottom guide rail, the pad rail and the upper guide rail are all U-shaped guide rails, and the bottom guide rail sliding groove, the pad rail sliding groove and the upper guide rail are connected to form a guide rail kinematic pair. The sliding module realizes the transverse sliding of the telescopic module and the detection module, and the transverse detection range is enlarged. When the sliding module works, the bottom guide rail does not move, the pad rail and the upper guide rail move through the connected motor, and when the position to be detected is far away from the detection module in the transverse distance, the device is brought to the vicinity of the detection module through the sliding module, and the position is accurately adjusted through the transverse telescopic module. The longitudinal telescopic module consists of a guide rail sliding block, a support base I, a support sliding rod, a scissor support I, a connecting pin II, a motor, a scissor support II, a support table, a connecting pin III, a coupler, a ball screw pair, a hydraulic cylinder and a support base II; the inner groove of the guide rail slide block is matched with the upper guide rail, and the support base I is fixedly connected with the upper part of the guide rail slide block, so that the base can move linearly back and forth on the guide rail; base sliding grooves are formed in two sides of the support base I, and the support sliding rod can slide in the base sliding grooves. The two scissor supports I are connected through a connecting pin I; two ends of the scissor bracket I are provided with bracket holes I, and two bracket holes at the lower end are respectively connected to the bracket sliding rod and the base joint of the bracket base I; the two support holes I at the upper end are connected with the scissor support holes of the scissor support II through the connecting pins II, and a support joint is processed at the upper end of the scissor support II and fixedly connected with a support stand support at the bottom of the support stand; the two sides of the whole longitudinal expansion module are provided with the mechanisms, wherein the scissor supports II on the two sides are connected with the connecting pin III through the middle support middle holes; the motor is fixed on the bracket base I, the motor shaft is connected with the ball screw pair through the coupler, and a screw nut of the ball screw pair is fixedly connected with the bracket slide bar; the bottom of the hydraulic cylinder is fixedly connected with a screw nut, and the top of the hydraulic cylinder is fixedly connected with a connecting pin III; the longitudinal telescopic device can adjust the detection height of the detection module, is suitable for a tunnel vault which is not used, and realizes the controllable detection height of the device. When the longitudinal telescopic module works, the motor is started, the motor shaft drives the ball screw to rotate through the coupling, the screw nut makes linear motion on the ball screw, the support sliding rod connected to the screw nut makes horizontal movement in the sliding groove, the movable end scissor support I is driven to form an included angle with the fixed end scissor support I, and the primary lifting mechanism starts to work. The hydraulic cylinder fixed at the bottom of the bracket and propped against the screw nut is driven to lift, the hydraulic cylinder lifts the connecting pin III connected with the hydraulic cylinder through expansion, an included angle is formed between the two scissor brackets II, and the secondary lifting mechanism starts to work. The longitudinal detection range of the detection module is improved. The transverse expansion module consists of a support column I, a support column II, a support column III, a connecting pin and a connecting strip; the connecting pins are respectively embedded in a column groove I of the supporting column I, a column groove II of the supporting column II and a column groove III of the supporting column III, holes on the connecting strips are matched with the connecting pins, and each column groove surface of the supporting column is provided with two connecting strips matched with one pin; the transverse telescopic module can convey the detection module to a detection position farther, so that the horizontal detection range of the device is controllable. When the transverse telescopic module works, the motor on the guide rail sliding block drives the whole device to transversely move, the support columns I, II and III are connected through connecting strips, and the distance between the three detection modules can be adjusted in the detection process so as to adapt to lining surfaces with different radians. The detection module consists of a camera fixing plate, a pitching shaft, a connecting shaft bracket, a pitching shaft motor, a rolling shaft motor, a transverse rolling shaft, a damping ball bracket and a rubber damping ball; a plate groove is formed in the bottom of the camera fixing plate and is matched with the pitching shaft; the two ends of the pitching shaft are fixed on a connecting shaft frame, one end of the connecting shaft frame is provided with a hole, the hole is matched with a motor shaft of a pitching shaft motor to form a shaft hole, and the motor shaft is fixedly connected with the pitching shaft; the connecting shaft frame is matched with the transverse rolling shaft through a top hole and a transverse rolling shaft motor shaft in a hole-shaft mode, and the transverse rolling shaft is matched with the transverse rolling shaft motor shaft through a shaft hole; a plurality of rubber damping balls are embedded in the damping ball frame, a bottom shaft hole is processed on a shaft seat at the lower end of the transverse rolling shaft, and a ball frame shaft at the top of the damping ball frame is matched with the bottom shaft hole of the transverse rolling shaft to form a shaft hole; the detection module is responsible for detecting the flatness of the tunnel lining, and meanwhile, the rotation degrees of freedom of the two directions of the detection radar or the camera can be adjusted through the transverse rolling shaft and the pitching shaft, so that the detection angle of the device is controllable. When the detection module works, the detection radar or the camera can be adjusted to a proper angle for detection by rotating the transverse rolling shaft and the pitching shaft.
The conveying process comprises the following steps:
before starting the detection, the carrying module carries the device to a specified position, and prepares to start the range adjustment.
The range adjustment process comprises the following steps:
the pad rail in the telescopic module horizontally moves left and right, the upper guide rail horizontally moves left and right to enlarge the detection range, and the detection module is conveyed to the vicinity below the detection position; the jack in the storage module moves upwards, and the lifting platform conveys the detection module to the vicinity of the detection position; the guide rail slide block drives the transverse telescopic modules by driving the devices, adjusts the horizontal distance among the three detection modules and conveys the detection modules to the position below the detection position; the longitudinal telescopic module lifts the accurate control detection module to a detection position through the transmission of the ball screw pair.
The detection process comprises the following steps:
the detection radar or the camera arranged on the camera fixing plate in the detection module starts to detect the tunnel lining, and in the detection process, the rotation angles of the horizontal rolling shaft and the pitching shaft are adjusted to detect a plurality of angles at the same position of the tunnel lining.
And (3) recycling and storing:
the longitudinal telescopic module descends the detection module by a certain height, and the device is lowered into the storage warehouse through the jack in the storage warehouse to complete the recovery process, so that the whole process of tunnel lining quality detection is completed.
Finally, what should be said is: the above embodiments are only for illustrating the technical aspects of the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (8)
1. The utility model provides a on-vehicle harmless automatic checkout device of tunnel lining quality which characterized in that: the device is divided into six modules: the device comprises a carrying module, a storage module, a sliding module, a longitudinal telescopic module, a transverse telescopic module and a detection module;
the carrying module consists of a headstock (1), a wheel shaft (2), wheels (3) and a tailstock (4);
the storage module (5) consists of a jack (501), a jack platform (502), a storage platform (503) and a storage warehouse (504); the top of the jack (501) is connected with a jack platform (502), the top of the jack platform (502) is connected with a storage platform (503), the storage platform (503) is embedded into a storage warehouse (504), and the storage module realizes the storage functions of a sliding module, a longitudinal expansion module, a transverse expansion module and a detection module;
the sliding module consists of a bottom guide rail (6), a pad rail (7) and an upper guide rail (8). The bottom guide rail (6), the pad rail (7) and the upper guide rail (8) are all U-shaped guide rails, and the bottom guide rail sliding groove (601) is connected with the pad rail (7), the pad rail sliding groove (701) and the upper guide rail (8) to form a guide rail kinematic pair. The sliding module realizes the transverse sliding of the telescopic module and the detection module, and increases the transverse detection range;
the longitudinal telescopic module (9) consists of a guide rail sliding block (901), a bracket base I (902), a bracket sliding rod (903), a scissors bracket I (904), a connecting pin I (905), a connecting pin II (906), a motor (907), a scissors bracket II (908), a bracket table (909), a connecting pin III (910), a coupler (911), a ball screw pair (912), a hydraulic cylinder (913) and a bracket base II (914); an inner groove (90101) of the guide rail slide block (901) is matched with an upper guide rail, and a bracket base I (902) is fixedly connected with the upper part of the guide rail slide block (901) to realize the reciprocating linear motion of the base on the guide rail; base sliding grooves (90202) are formed in two sides of the support base I (902), and support sliding rods (903) can slide in the base sliding grooves. One end of the scissor bracket I (904) is provided with a bracket joint (90401), and two bracket joints (90401) at the lower end are respectively connected to a bracket slide rod (903) and a base joint (90203) of the bracket base I (902); the two bracket joints (90401) at the upper end are connected with a scissors bracket hole (90801) of a scissors bracket II (908) through a connecting pin II (906), a bracket joint (90802) is processed at the upper end of the scissors bracket II (908), and the scissors bracket II is fixedly connected with a bracket table support (90901) at the bottom of a bracket table (909); the two sides of the whole longitudinal telescopic module (9) are respectively provided with the mechanisms, wherein the scissor supports II (908) on the two sides are connected with the connecting pin III (910) through the support middle holes (90802) in the middle; the motor (907) is fixed on the bracket base I (902), the motor shaft is connected with the ball screw pair (912) through the coupler (911), and the screw nut (91201) of the ball screw pair is fixedly connected with the bracket slide bar (903); the bottom of the hydraulic cylinder (913) is fixedly connected with the screw nut (91201), and the top of the hydraulic cylinder is fixedly connected with the connecting pin III (910); the longitudinal telescopic device can adjust the detection height of the detection module, is suitable for a tunnel vault which is not used, and realizes the controllable detection height of the device;
the transverse telescopic module (10) consists of a support column I (1001), a support column II (1002), a support column III (1003), a telescopic pin (1004) and a connecting strip (1005); the telescopic pins (1004) are respectively embedded into a column groove I (100101) of the support column I (1001), a column groove II (100201) of the support column II (1002) and a column groove III (100301) of the support column III (1003), connecting holes (100501) on the connecting strips (1005) are matched with the telescopic pins (1004), and each column groove surface of the support column is provided with two connecting strips and one pin for matching; the transverse telescopic module (10) can convey the detection module to a more distant detection position, so that the horizontal detection range of the device is controllable;
the detection module consists of a camera fixing plate (1101), a pitching shaft (1102), a connecting shaft frame (1103), a pitching shaft motor (1104), a rolling shaft motor (1105), a rolling shaft (1106), a damping ball frame (1107) and rubber damping balls (1108); a plate groove (110101) is formed in the bottom of the camera fixing plate (1101), and the plate groove (110101) is matched with the pitching shaft (1102); two ends of a pitching shaft (1102) are fixed on a connecting shaft frame (1103), one end of the connecting shaft frame is provided with a hole (110301), the hole (110301) is matched with a motor shaft (110401) of a pitching shaft motor (1104) to form a shaft hole, and the motor shaft (110401) is fixedly connected with the pitching shaft (1102); the connecting shaft bracket (1103) is matched with the shaft of the rolling shaft motor (1105) through a top hole (110302), and the transverse rolling shaft (1106) is matched with the shaft of the rolling shaft motor (1105) through a shaft hole (110601); a plurality of rubber damping balls (1108) are embedded in the damping ball frame (1107), a bottom shaft hole (110602) is formed in a shaft seat at the lower end of the transverse rolling shaft (1106), and a ball frame shaft (110701) at the top of the damping ball frame (1107) and the bottom shaft hole (110602) of the transverse rolling shaft form shaft hole matching; the detection module is responsible for detecting the flatness of the tunnel lining, and meanwhile, the transverse rolling shaft (1106) and the pitching shaft (1102) can adjust and detect the degrees of freedom of two directions of a radar or a camera, so that the detection angle of the device is controllable.
2. The tunnel lining quality vehicle-mounted nondestructive automatic detection device according to claim 1, wherein: gaps exist between the outer edge of the storage table (503) and the inner edge of the storage warehouse (504), so that the resistance in the lifting process is ensured to be smaller; the jack (501) is fixed between the vehicle head (1) and the vehicle tail (4).
3. The tunnel lining quality vehicle-mounted nondestructive automatic detection device according to claim 1, wherein: the bottom of the support table (909) is provided with 5 support table supports (90901) which are distributed on two sides of the support table (909), and the support table supports (90901) are connected with support joints (90802) on the scissor support II (908) through threads so as to fix the support table (909) and the scissor support II (908).
4. The tunnel lining quality vehicle-mounted nondestructive automatic detection device according to claim 1, wherein: a mobile pair is formed between a base joint (90203) processed on two sides of a support base I (902) and a support slide rod (903), a slide rod head (90301) is processed on one end of the support slide rod (903), the diameter of the slide rod is larger than the width of a slide groove, the freedom degree of the support slide rod (903) vertical to the side face of the support base I (902) is limited, and the support slide rod (903) is prevented from being separated from the base slide groove (90202).
5. The tunnel lining quality vehicle-mounted nondestructive automatic detection device according to claim 1, wherein: the bottom of the motor (907) is fixed on a base bottom groove (90201) of the bracket base I (902), a chamfer is machined at the joint of the base bottom groove (90201) and two side surfaces, a motor shaft is connected with a coupler (911), the other end of the coupler (911) is connected with a ball screw (91201) of a ball screw pair (912), the ball screw pair (912) consists of a ball screw (91201) and a screw nut (91202), threads are machined on the ball screw (91201), the screw nut (91202) is installed on the ball screw (91201) through threaded connection, and the coupler (911) ensures concentricity and coaxiality between a motor (907) shaft and the ball screw pair (912). One end of each of the left bracket slide rod and the right bracket slide rod (903) is fixedly connected with a screw nut (91202) and moves along with the screw nut (91202); one end of a hydraulic cylinder (913) is fixed on the base chute (90202), and the cylinder body is propped against the front end of the screw nut (91202); one end is fixedly connected to the connecting pin III (910).
6. The tunnel lining quality vehicle-mounted nondestructive automatic detection device according to claim 1, wherein: according to the functions of the longitudinal telescopic mechanism, the lifting mechanism is divided into a primary lifting mechanism and a secondary lifting mechanism; the primary lifting mechanism comprises: a scissor bracket I (904) and a connecting pin I (905), wherein a bracket joint (90401) is processed at one end of the scissor bracket I (904), and two bracket joints (90401) at the lower end are respectively connected with a bracket slide rod (903) and a base joint (90203) of a bracket base I (902); the two support holes I (90402) at the upper end are connected with the scissor support holes (90801) of the scissor support II (908) through the connecting pins II (906), and the two scissor supports I (904) are connected through the support holes II (90403) and the connecting pins I (905); each pair of scissors brackets I (904) is provided with two scissors brackets I (904) and two connecting pins I (905), and the scissors brackets I (904) are connected on a plane parallel to the bracket base I (902) in a cross manner; the second-stage lifting mechanism comprises: a scissor bracket II (908), a connecting pin II (906) and a connecting pin III (910); the shear fork support I (904) is connected with the shear fork support II (908) through a connecting pin II (906), a support hole II (90801) is formed in the bottom end of the shear fork support II (908), a support joint (90802) is formed in the upper end of the shear fork support II (908), a thread wire is formed in the front end of the support joint (90802), and the shear fork support II is connected with a threaded hole of a support table support (90901) through threads; a middle of the shear fork support II (908) is provided with a support middle hole (90803), the connecting pin III (910) is connected with the shear fork support II (908) through the support middle hole (90803), each pair of shear fork supports II (908) is provided with two shear fork supports, the cross connection is performed on a plane parallel to the support base I (902), and the secondary lifting mechanism is provided with two pairs of shear fork supports II (908), two connecting pins II (906) and one connecting pin III (910).
7. The tunnel lining quality vehicle-mounted nondestructive automatic detection device according to claim 1, wherein: support column I (1001), support column II (1002), support column III (1003) bottom all is fixed on support base I (902) and support base II (914), for the shape of adaptation tunnel lining, and three support columns adopt the arc to lay, lets top detection module form an curved detection zone, makes things convenient for the detection of lining.
8. The tunnel lining quality vehicle-mounted nondestructive automatic detection device according to claim 1, wherein: the operation method of the detection device comprises the following steps:
s1: the conveying process specifically comprises the following steps:
before starting detection, starting a carrying module to carry the device to a designated position, and preparing to start range adjustment;
s2: the range adjustment process specifically comprises the following steps:
starting the telescopic module, enabling the pad rail (7) to horizontally move, enabling the upper guide rail (8) to horizontally move to increase the detection range, and conveying the detection module to the vicinity below the detection position; starting a jack (501) in the storage module (5), moving the jack (501) upwards, and conveying the detection module to the vicinity of the detection position by a jack stand (502); the guide rail sliding block (901) is operated to drive the transverse telescopic modules (10) by driving the devices, the horizontal distance among the three detection modules is adjusted, and the detection modules are conveyed to the position below the detection position; starting a motor (907) in the longitudinal telescopic module (9), driving a ball screw (91201) to rotate by the motor (907) through a coupler (911), and lifting the accurate control detection module to a detection position through transmission of a ball screw pair (912);
s3: the detection process specifically comprises the following steps:
a detection radar or a camera arranged on a camera fixing plate (1101) in the detection module starts to detect the tunnel lining, and in the detection process, the rotation angles of a transverse rolling shaft and a pitching shaft are adjusted by starting a transverse rolling shaft motor (1105), so that a plurality of angles at the same position of the tunnel lining are detected.
S4: the recycling and storing process specifically comprises the following steps:
the motor (907) is reversely operated, the detection module is lowered by a certain height by the longitudinal telescopic module (9), the device is lowered into the storage warehouse by the jack (501) in the storage warehouse (504) to complete the recovery process, and the whole process of tunnel lining quality detection is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310811752.5A CN116879168A (en) | 2023-07-04 | 2023-07-04 | Vehicle-mounted nondestructive automatic detection device for tunnel lining quality |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310811752.5A CN116879168A (en) | 2023-07-04 | 2023-07-04 | Vehicle-mounted nondestructive automatic detection device for tunnel lining quality |
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| CN116879168A true CN116879168A (en) | 2023-10-13 |
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| CN202310811752.5A Pending CN116879168A (en) | 2023-07-04 | 2023-07-04 | Vehicle-mounted nondestructive automatic detection device for tunnel lining quality |
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