CN110936881B - Tunnel lining radar detection device - Google Patents
Tunnel lining radar detection device Download PDFInfo
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- CN110936881B CN110936881B CN201911323614.2A CN201911323614A CN110936881B CN 110936881 B CN110936881 B CN 110936881B CN 201911323614 A CN201911323614 A CN 201911323614A CN 110936881 B CN110936881 B CN 110936881B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
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Abstract
The invention provides a tunnel lining radar detection device, and belongs to the field of tunnel detection equipment. The radar detection device for the tunnel lining can not only effectively avoid obstacles during working, but also improve the detection quality of the device by timely cleaning the surface of the tunnel lining, and can also transmit detection information in real time, thereby greatly improving the detection working efficiency. The tunnel maintenance method is suitable for the field of tunnel detection and maintenance.
Description
Technical Field
The invention belongs to the field of tunnel detection equipment, and particularly relates to a tunnel lining radar detection device. The radar detection device for the tunnel lining can not only effectively avoid obstacles during working, but also improve the detection quality of the device by timely cleaning the surface of the tunnel lining.
Background
The tunnel is an engineering building buried in the ground, and the large-section excavation construction of the tunnel can cause damage to the surrounding ground, which easily causes deformation and collapse of the tunnel. Therefore, the lining of the tunnel must be effectively detected after the tunnel is finished, and the strength and the quality of the lining are ensured, so that the safety accident of the tunnel is effectively prevented. Lining is often problematic in that the thickness of the lining is not sufficient and voids exist behind the lining. At present, two common detection methods for tunnel lining are provided, one method is a manual hammering method, experienced constructors knock the detection positions by using knocking hammers and judge whether cavities exist behind the lining according to sound, the method consumes manpower and has low efficiency, and the detection result has subjective judgment of people; the other method is to adopt a geological radar for detection, use a lifting platform to lift detection personnel to a certain height, and the detection personnel lift the geological radar to make the geological radar contact with the vault. At present, a detection device replacing manual lifting is also provided, but the lack of flexibility easily causes the geological radar antenna and the vault to generate great pressure, thereby causing the damage of the radar antenna, in addition, because the tunnel vault often has an electric wire and a lighting device, when the device is detected, the electric wire and the lighting device are inevitably touched to cause economic loss, if the attachment sundries exist on the surface of the lining, the radar antenna and the vault cannot be in direct contact, the great adverse effect is brought to the detection quality, in addition, the detection position information and the detection quality information are often manually recorded and checked, and the efficiency of the detection work is greatly reduced.
Disclosure of Invention
In view of the defects of the technology, the invention aims to provide a tunnel lining radar detection device which can effectively avoid obstacles during working, clean the surface of a lining to ensure the detection quality, and ensure that a detection radar antenna is in close contact with a vault and is not crushed.
The invention is realized by adopting the following technical scheme:
the invention provides a radar detection device for a tunnel lining, which comprises a bottom plate, a power device, a telescopic device, an obstacle avoidance device, a vault sweeping device and a radar antenna clamping device, wherein the power device is arranged on the bottom plate; the power device is arranged on the bottom plate;
the power device comprises a first motor, a worm wheel, a worm, a first gear, a second gear and a worm wheel shaft, wherein the first motor is installed on a bottom plate and connected with the worm wheel through the worm wheel shaft; the bottom plate is provided with a sector plate, and the first mechanical arm rotates around the sector plate through the rotation of the first motor;
the telescopic device is realized by driving a second mechanical arm to stretch and retract in a first mechanical arm through a first hydraulic cylinder and a second hydraulic cylinder, the top end of the first mechanical arm is provided with a hollow groove, and the second mechanical arm is embedded in the hollow groove and can move in the hollow groove; the two sides of the first mechanical arm are respectively provided with a side seat, the side seats are fixedly connected with one ends of the first hydraulic cylinder and the second hydraulic cylinder through short shafts, the two sides of the second mechanical arm are respectively provided with an angle seat, and the angle seats are fixedly connected with the other ends of the first hydraulic cylinder and the second hydraulic cylinder through the short shafts;
the obstacle avoidance device comprises an obstacle avoidance hydraulic cylinder, a camera, a rotating flat plate, an obstacle avoidance motor and a rotating shaft, wherein plate-shaped grooves are formed in the front surface and the back surface of the second mechanical arm, the rotating shaft is arranged at the upper end of each plate-shaped groove, one end of the rotating flat plate is rotatably connected with the rotating shaft, the bottom end of the rotating flat plate is connected with the telescopic end of the obstacle avoidance hydraulic cylinder, and the fixed end of the obstacle avoidance hydraulic cylinder is rotatably connected with the second mechanical arm; the obstacle avoidance hydraulic cylinder is telescopically matched with the rotation of the rotating shaft to enable the rotating flat plate to be unfolded or stored; an obstacle avoidance motor is fixed on the rotating flat plate and is rotationally connected with the camera through a transmission structure, the camera is driven to rotate through the rotation of the obstacle avoidance motor, so that a wide visual field is obtained, and obstacles encountered during device construction can be observed in time to avoid obstacles in time;
the vault sweeping device comprises a sweeping disc, a longitudinal telescopic hydraulic cylinder, a transverse telescopic hydraulic cylinder and a rotating motor, wherein the left side and the right side of a second mechanical arm are respectively connected with the longitudinal telescopic hydraulic cylinder through short shafts, the middle section of the longitudinal telescopic hydraulic cylinder is fixedly connected with one end of the transverse telescopic hydraulic cylinder, the other end of the transverse telescopic hydraulic cylinder is fixedly connected with the second mechanical arm, and the longitudinal telescopic hydraulic cylinder can rotate around the short shafts under the thrust action of the transverse telescopic hydraulic cylinder; the telescopic end of the longitudinal telescopic hydraulic cylinder is fixedly connected with a rotating motor, and the output end of the rotating motor is fixedly connected with a cleaning disc; the cleaning disc can clean the attachment of the lining at different angles through the simultaneous movement of the longitudinal telescopic hydraulic cylinder and the transverse telescopic hydraulic cylinder and the rotation of the rotating motor, so that the detection quality is improved;
the radar antenna clamping device comprises a radar hydraulic cylinder, a swinging flat plate, antenna supporting plates, vertical baffle plates, vertical springs, transverse springs, a pressure sensor, a rotating structure and a pressing plate, wherein the swinging flat plate is connected with the upper end of a second mechanical arm through the rotating structure, the lower side of the swinging flat plate is connected with one end of the radar hydraulic cylinder, the other end of the radar hydraulic cylinder is connected with the upper end of the second mechanical arm, two vertical baffle plates are fixed above the swinging flat plate, two antenna supporting plates are arranged between the two vertical baffle plates, the cross sections of the antenna supporting plates are L-shaped, the two antenna supporting plates are correspondingly connected with the two vertical baffle plates through the transverse springs, a radar antenna is placed between the two antenna supporting plates, the upper ends of the two, a pressure sensor is arranged between the vertical baffle and the pressing plate, the upper end of the pressure sensor is fixed with the pressing plate, and the lower end of the pressure sensor is fixed with the vertical baffle; the upper surface of the pressure plate and the upper surface of the radar antenna are arranged at the same height, so that whether the radar antenna is in contact with the vault or not is judged through a pressure value measured by the pressure sensor, and early warning is carried out on the pressure applied to the radar antenna;
the rotating structure comprises a hinge shaft, the hinge shaft is connected with the swinging flat plate and the second mechanical arm, the upper end and the lower end of the hinge shaft are respectively connected with the swinging flat plate and the second mechanical arm in a rotating mode, the two hinge shafts are respectively located on the front side and the rear side of the second mechanical arm, the upper portions of the left side and the right side of the second mechanical arm are connected with a sleeve shaft, the radar hydraulic cylinder is connected onto the sleeve shaft through a sleeve, and the radar hydraulic cylinder can rotate around the sleeve shaft.
Furthermore, the power device is provided with a self-locking structure.
Further, the bottom plate is arranged on the vehicle underframe.
Further, wheels are arranged below the vehicle underframe, and the vehicle underframe and the control room jointly form a transportation main body.
Furthermore, a control system is arranged in the control chamber.
Further, the sector plates are two, and the first mechanical arm is located between the two sector plates.
Further, the number of the cleaning discs is two, and the two cleaning discs are symmetrically arranged relative to the second mechanical arm.
Furthermore, the number of the radar hydraulic cylinders is two, and the two radar hydraulic cylinders are symmetrically arranged relative to the radar antenna.
Furthermore, the number of the rotating flat plates is two, and the rotating flat plates are symmetrically arranged relative to the second mechanical arm.
Furthermore, the bottom plate is connected to the vehicle underframe through a rotating base.
The invention has the following technical characteristics:
(1) the rotatable cameras are arranged on the two sides of the device, so that the work of the device can be monitored, timely obstacle avoidance can be performed, and the safety of a working chamber of the device is guaranteed.
(2) Set up cleaning device and clean the detection area of lining, eliminate the attachment on the lining and to detection quality's influence, guarantee lining surface and radar antenna direct contact, improve detection quality.
(3) Be equipped with pressure sensor in antenna clamping device, whether contact between geological radar and the vault in time can be judged, the too big early warning of pressure that receives geological radar antenna simultaneously.
(4) The current detection position can be determined by measuring the rotation angle information and the determined position information of the mechanical arm, and the information can be quickly transmitted to a lining quality evaluation system in real time by a zigbee wireless information transmission technology, so that the detection working efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention in an overall working state;
FIG. 2 is a three-dimensional view of the main structure of the present invention;
FIG. 3 is a front view of the main structure of the present invention;
FIG. 4 is a side view of the main structure of the present invention;
FIG. 5 is a front view of a geological radar antenna clamping arrangement provided by the present invention;
FIG. 6 is a side view of a geological radar antenna clamping arrangement provided by the present invention;
FIG. 7 is a schematic view of the present invention in a transport state;
the reference numbers are as follows: 1. the control room 2, the wheels 3, the chassis 4, the bottom plate 5, the rotating base 6, the base 7, the first support 8, the first gear 9, the worm wheel 10, the worm wheel shaft 11, the first motor 12, the motor bracket 13, the first shaft 14, the second support 15, the worm 16, the second gear 17, the second shaft 18, the first groove 19, the second groove 20, the angle sensor 21, the sector plate 22, the first mechanical arm 23, the first hydraulic cylinder 24, the second mechanical arm 25, the first rotating flat plate 26, the second motor 27, the second motor shaft 28, the first mounting base 29, the first camera 30, the second camera 31, the third motor shaft 32, the third motor 33, the second mounting base 34, the second rotating flat plate 35, the first hydraulic telescopic rod 36, the first short shaft 37, the side base 38, the second hydraulic cylinder 39, the second short shaft 40, the angle base 41, the first longitudinal telescopic hydraulic cylinder 42, the first sweeping disc 43, First rotating electrical machines 44, second cleaning plate 45, second rotating electrical machines 46, second longitudinal telescopic hydraulic cylinders 47, rotating shafts 48, rotating connectors 49, first transverse telescopic hydraulic cylinders 50, second hydraulic telescopic rods 51, second transverse telescopic hydraulic cylinders 52, first radar hydraulic cylinders 53, first vertical baffles 54/66, vertical springs 55, first pressing plates 56, transverse springs 57, first antenna supporting plates 58, radar antennas 59, second antenna supporting plates 60, second pressing plates 61, second vertical baffles 62, swinging flat plates 63, second radar hydraulic cylinders 64, sleeve shafts 65, first hinge shafts 67, pressure sensors 68, connecting parts 69, second hinge shafts
Detailed Description
The construction and operation of the embodiments of the invention are explained in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the radar detection device for tunnel lining provided by the invention is connected with a rotating base 5 of an underframe 3 of a detection vehicle through a bottom plate 4 during working, and the detection vehicle comprises a control room 1, wheels 2, an underframe 3 of the detection vehicle and the rotating base 5; thereby it drives detection device forward to walk through the walking forward in the tunnel of detection car and realize the omnidirectional detection in tunnel.
As shown in fig. 2-6, the present invention comprises a base plate 4, wherein the base plate 4 has a second groove 19 and a first groove 18 on both sides for placing a first mechanical arm 22 in a transportation state, the base plate 4 can be connected with a rotating base 5 of a detection vehicle, a motor support 12 is fixed on the base plate 4, a first motor 11 is screwed on the motor support 12, the output end of the first motor 11 is fixedly connected with one end of a worm wheel shaft 10, the other end of the worm wheel shaft is fixedly connected with a worm wheel 9, the worm wheel 9 is meshed with a worm 15, the worm 15 is connected with a first gear 8 through a first shaft 13, the worm 15 is coaxially arranged with the first gear 8, the first shaft 13 is supported by a second support 14 and a first support 7 on the base plate 4, the first gear 8 is meshed with a second gear 16, the second gear 16 and the first mechanical arm 22 are both fixed on a second shaft 17, one end of the second shaft 17 is provided with an angle sensor 20, the angle sensor 20 is used for measuring the current rotating angle of the first mechanical arm 22, the second shaft 17 is supported by a sector plate 21 on the bottom plate, and the first mechanical arm 22 is finally driven to rotate around the second shaft 17 through the rotation of the first motor 11; the first motor 11, the worm gear shaft 10, the worm gear 9, the first shaft 13, the worm 15, the first gear 8, the second shaft 17 and the second gear 16 jointly form the driving device of the invention; the base 6 is provided with a wireless communication device which comprises a zigbee electronic positioning label and a zigbee signal transmitter, wherein the zigbee electronic positioning label is used for positioning the device, and the zigbee signal transmitter is used for transmitting information.
The first mechanical arm 22 and the upper end are provided with empty grooves, the second mechanical arm 24 is arranged in the empty grooves, the first mechanical arm 22 and the second mechanical arm 24 are connected with the two sets of hydraulic cylinders through connecting structures, side seats 37 are arranged on two sides of the first mechanical arm 22, the side seats 37 are fixedly connected with one ends of the first hydraulic cylinder 23 and one end of the second hydraulic cylinder 38 through short shafts, corner seats 40 are arranged on two sides of the second mechanical arm 24, the corner seats 40 are fixedly connected with the other ends of the first hydraulic cylinder 23 and the second hydraulic cylinder 38 through the short shafts, and the second mechanical arm 24 moves in the empty grooves of the first mechanical arm 22 through the extension and retraction of the hydraulic cylinders 23 and 38 to achieve the extension and retraction in height.
Plate-shaped grooves are formed in the front side and the rear side of the second mechanical arm 24, rotating shafts 47 are fixed to the upper portions of the front side plate-shaped groove and the rear side plate-shaped groove, the rotating shafts 47 on the two sides are respectively connected with the first rotating flat plate 25, one end of the second rotating flat plate 34 is rotatably connected, short shafts are fixed to the lower portions of the two side plate-shaped grooves, the short shafts on the two sides are respectively connected with the second hydraulic telescopic rod 50, one end of the first hydraulic telescopic rod 35 is fixedly connected, the second hydraulic telescopic rod 50 and the other end of the first hydraulic telescopic rod 35 are respectively connected with the first rotating flat plate 25 and the other end of the second rotating flat plate 34 through a rotating connecting piece 48, the first rotating flat plate 25 can be achieved through the telescopic movement of the second hydraulic telescopic rod 50 and the first hydraulic telescopic; the second motor 26 and the third motor 32 are respectively fixed on the first rotating flat plate 25 and the second rotating flat plate 34, the output ends of the second motor 26 and the third motor 32 are respectively connected with the second motor shaft 27 and the third motor shaft 31, the first camera 29 and the second camera 30 are respectively installed on the second motor shaft 27 and the third motor shaft 31, the second motor shaft 27 and the third motor shaft 31 are respectively supported by the first installation seat 28 and the second installation seat 33 which are fixed on the rotating flat plate, and the first camera 29 and the second camera 30 are driven to rotate by the rotation of the second motor 26 and the third motor 32, so that obstacles which may be encountered during device construction can be timely observed to timely avoid obstacles.
The left side and the right side of the second mechanical arm 24 are respectively connected with the first longitudinal telescopic hydraulic cylinder 41 and the second longitudinal telescopic hydraulic cylinder 46 by adopting a connecting structure, in addition, the left side and the right side of the second mechanical arm 24 are provided with a first transverse hydraulic telescopic cylinder 49 and a second transverse telescopic hydraulic cylinder 51, the first transverse telescopic hydraulic cylinder 49 and the second transverse telescopic hydraulic cylinder 51 are respectively fixedly connected with the first longitudinal telescopic hydraulic cylinder 41 and the fixed end of the second longitudinal telescopic hydraulic cylinder 46, the telescopic ends of the first longitudinal telescopic hydraulic cylinder 41 and the second longitudinal telescopic hydraulic cylinder 46 are respectively fixedly connected with a first rotating motor 43 and a second rotating motor 45, and one ends of the first rotating motor 43 and the second rotating motor 45 are provided with a first cleaning disc 42 and a second cleaning disc 44; the cleaning disc can clean the attachment of the lining at different angles through the simultaneous movement of the first longitudinal telescopic hydraulic cylinder 41, the second longitudinal telescopic hydraulic cylinder 46, the transverse telescopic hydraulic cylinder 49 and the transverse telescopic hydraulic cylinder 51 and the rotation of the first rotating motor 43 and the second rotating motor 45, so that the detection quality is improved.
The upper end of the second mechanical arm 24 is connected with the swing flat plate 62 through a first hinge shaft 65 and a second hinge shaft 69, two sides of the swing flat plate 62 are respectively connected with the first radar hydraulic cylinder 52, one end of the second radar hydraulic cylinder 63 is connected with the connecting part 68, the first radar hydraulic cylinder 52 and the other end of the second radar hydraulic cylinder 63 are connected with the upper end of the second mechanical arm 24 through two sets of sleeve shafts 64, so that the radar antenna 58 can be ensured to be in close contact with the lining at different detection positions, the swing flat plate 62 is fixedly provided with a first vertical baffle plate 53, a second vertical baffle plate 61, a first antenna supporting plate 57, a second antenna supporting plate 59, the first vertical baffle plate 53 and a second vertical baffle plate 61 are respectively connected through two sets of springs 56, the radar antenna 58 is arranged between the first antenna supporting plate 57 and the second antenna supporting plate 59, the first vertical baffle plate 53, the upper end of the second vertical baffle plate 61 is connected with the first pressing plate 55, and the second pressing plate, 66 connection, be provided with two pressure sensor 67 between two sets of vertical baffles and clamp plates, two pressure sensor 67 upper ends respectively with first clamp plate 55, second clamp plate 60 is fixed, lower extreme and first vertical baffle 53, the vertical baffle 61 of second is fixed, first clamp plate 55, second clamp plate 60 and radar antenna 58 set up under same height, thereby judge through the pressure numerical value that two pressure sensor 67 record whether contact is too big to carry out the early warning to the pressure that geological radar antenna 58 received simultaneously between geological radar antenna 58 and the vault, prevent that geological radar antenna from damaging.
FIG. 7 is a schematic view of the present invention in a transport state, after the detection operation is completed, the rotating plate is retracted into the cavity of the second mechanical arm 24 by the hydraulic cylinder; the simultaneous contraction of the first longitudinal telescopic hydraulic cylinder, the second longitudinal telescopic hydraulic cylinder, the first transverse telescopic hydraulic cylinder 49 and the second transverse telescopic hydraulic cylinder 51 can retract the first cleaning disc 42 and the second cleaning disc 44, the contraction of the first hydraulic cylinder 23 and the second hydraulic cylinder 38 can realize that the second mechanical arm 24 is retracted in the empty slot of the first mechanical arm 22, finally, the first mechanical arm 22 is finally driven to rotate around the second shaft 17 to the first groove 18 of the bottom plate 4 through the rotation of the first motor 11, and the rotation of the rotating chassis 5 of the detection vehicle can enable the detection device to be retracted at the tail of the vehicle, so that the occupied space is reduced, and the transportation of the device is facilitated.
The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the drawings. Therefore, equivalents and modifications may be made thereto without departing from the spirit of the disclosure.
Claims (10)
1. A tunnel lining radar detection device is characterized in that: the device comprises a bottom plate, a power device, a telescopic device, an obstacle avoidance device, a vault sweeping device and a radar antenna clamping device; the power device is arranged on the bottom plate;
the power device comprises a first motor, a worm wheel, a worm, a first gear, a second gear and a worm wheel shaft, wherein the first motor is installed on a bottom plate and connected with the worm wheel through the worm wheel shaft; the bottom plate is provided with a sector plate, and the first mechanical arm rotates around the sector plate through the rotation of the first motor;
the telescopic device is realized by driving a second mechanical arm to stretch and retract in a first mechanical arm through a first hydraulic cylinder and a second hydraulic cylinder, the top end of the first mechanical arm is provided with a hollow groove, and the second mechanical arm is embedded in the hollow groove and can move in the hollow groove; the two sides of the first mechanical arm are respectively provided with a side seat, the side seats are fixedly connected with one ends of the first hydraulic cylinder and the second hydraulic cylinder through short shafts, the two sides of the second mechanical arm are respectively provided with an angle seat, and the angle seats are fixedly connected with the other ends of the first hydraulic cylinder and the second hydraulic cylinder through the short shafts;
the obstacle avoidance device comprises an obstacle avoidance hydraulic cylinder, a camera, a rotating flat plate, an obstacle avoidance motor and a rotating shaft, wherein plate-shaped grooves are formed in the front surface and the back surface of the second mechanical arm, the rotating shaft is arranged at the upper end of each plate-shaped groove, one end of the rotating flat plate is rotatably connected with the rotating shaft, the bottom end of the rotating flat plate is connected with the telescopic end of the obstacle avoidance hydraulic cylinder, and the fixed end of the obstacle avoidance hydraulic cylinder is rotatably connected with the second mechanical arm; the obstacle avoidance hydraulic cylinder is telescopically matched with the rotation of the rotating shaft to enable the rotating flat plate to be unfolded or stored; an obstacle avoidance motor is fixed on the rotating flat plate and is rotationally connected with the camera through a transmission structure, the camera is driven to rotate through the rotation of the obstacle avoidance motor, so that a wide visual field is obtained, and obstacles encountered during device construction can be observed in time to avoid obstacles in time; the vault sweeping device comprises a sweeping disc, a longitudinal telescopic hydraulic cylinder, a transverse telescopic hydraulic cylinder and a rotating motor, wherein the left side and the right side of a second mechanical arm are respectively connected with the longitudinal telescopic hydraulic cylinder through short shafts, the middle section of the longitudinal telescopic hydraulic cylinder is fixedly connected with one end of the transverse telescopic hydraulic cylinder, the other end of the transverse telescopic hydraulic cylinder is fixedly connected with the second mechanical arm, and the longitudinal telescopic hydraulic cylinder can rotate around the short shafts under the thrust action of the transverse telescopic hydraulic cylinder; the telescopic end of the longitudinal telescopic hydraulic cylinder is fixedly connected with a rotating motor, and the output end of the rotating motor is fixedly connected with a cleaning disc; the cleaning disc can clean the attachment of the lining at different angles through the simultaneous movement of the longitudinal telescopic hydraulic cylinder and the transverse telescopic hydraulic cylinder and the rotation of the rotating motor, so that the detection quality is improved;
the radar antenna clamping device comprises a radar hydraulic cylinder, a swinging flat plate, antenna supporting plates, vertical baffle plates, vertical springs, transverse springs, a pressure sensor, a rotating structure and a pressing plate, wherein the swinging flat plate is connected with the upper end of a second mechanical arm through the rotating structure, the lower side of the swinging flat plate is connected with one end of the radar hydraulic cylinder, the other end of the radar hydraulic cylinder is connected with the upper end of the second mechanical arm, two vertical baffle plates are fixed above the swinging flat plate, two antenna supporting plates are arranged between the two vertical baffle plates, the cross sections of the antenna supporting plates are L-shaped, the two antenna supporting plates are correspondingly connected with the two vertical baffle plates through the transverse springs, a radar antenna is placed between the two antenna supporting plates, the upper ends of the two, a pressure sensor is arranged between the vertical baffle and the pressing plate, the upper end of the pressure sensor is fixed with the pressing plate, and the lower end of the pressure sensor is fixed with the vertical baffle; the upper surface of the pressure plate and the upper surface of the radar antenna are arranged at the same height, so that whether the radar antenna is in contact with the vault or not is judged through a pressure value measured by the pressure sensor, and early warning is carried out on the pressure applied to the radar antenna;
the rotating structure comprises a hinge shaft, the hinge shaft is connected with the swinging flat plate and the second mechanical arm, the upper end and the lower end of the hinge shaft are respectively connected with the swinging flat plate and the second mechanical arm in a rotating mode, the two hinge shafts are respectively located on the front side and the rear side of the second mechanical arm, the upper portions of the left side and the right side of the second mechanical arm are connected with a sleeve shaft, the radar hydraulic cylinder is connected onto the sleeve shaft through a sleeve, and the radar hydraulic cylinder can rotate around the sleeve shaft.
2. A tunnel lining radar detection apparatus as claimed in claim 1, wherein: the power device is provided with a self-locking structure.
3. A tunnel lining radar detection apparatus as claimed in claim 1, wherein: the bottom plate is arranged on the vehicle underframe.
4. A tunnel lining radar detection apparatus as claimed in claim 3, wherein: wheels are arranged below the vehicle underframe, and the vehicle underframe and the control room jointly form a transportation main body.
5. A tunnel lining radar detection apparatus according to claim 4, wherein: and a control system is arranged in the control chamber.
6. A tunnel lining radar detection apparatus as claimed in claim 1, wherein: the sector plates are two, and the first mechanical arm is located between the two sector plates.
7. A tunnel lining radar detection apparatus as claimed in claim 1, wherein: the number of the cleaning discs is two, and the two cleaning discs are symmetrically arranged relative to the second mechanical arm.
8. A tunnel lining radar detection apparatus as claimed in claim 1, wherein: the number of the radar hydraulic cylinders is two, and the two radar hydraulic cylinders are symmetrically arranged relative to the radar antenna.
9. A tunnel lining radar detection apparatus as claimed in claim 1, wherein: the two rotating flat plates are symmetrically arranged relative to the second mechanical arm.
10. A tunnel lining radar detection apparatus as claimed in claim 3, wherein: the bottom plate is connected to the vehicle underframe through a rotating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323614.2A CN110936881B (en) | 2019-12-20 | 2019-12-20 | Tunnel lining radar detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323614.2A CN110936881B (en) | 2019-12-20 | 2019-12-20 | Tunnel lining radar detection device |
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| CN110936881A CN110936881A (en) | 2020-03-31 |
| CN110936881B true CN110936881B (en) | 2021-03-23 |
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| CN111852560A (en) * | 2020-06-24 | 2020-10-30 | 中铁十一局集团第四工程有限公司 | System for controlling automatic driving of carrying equipment of tunnel secondary lining hole detection instrument |
| CN114397645A (en) * | 2022-01-20 | 2022-04-26 | 广州市博睿仪器科技有限公司 | Perspective imaging device for radar detection |
| CN115524761B (en) * | 2022-09-28 | 2023-07-18 | 水利部交通运输部国家能源局南京水利科学研究院 | Comprehensive automatic diagnosis equipment platform for long-distance diversion tunnel lining and supporting |
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| CN107272075B (en) * | 2017-06-29 | 2019-01-15 | 中国地质大学（武汉） | Vehicle-mounted railway tunnel vault geological radar continuous detecting system |
| CN207096447U (en) * | 2017-09-08 | 2018-03-13 | 中国铁路总公司 | Tunnel-liner condition checkout gear |
| CN109017517B (en) * | 2018-07-06 | 2020-09-22 | 中国铁建重工集团股份有限公司 | Vehicle-mounted tunnel lining quality detection vehicle |
| CN108678800B (en) * | 2018-07-12 | 2023-05-30 | 中交第二公路工程局有限公司 | Tunnel health preserving dust removing device and dust removing method |
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