CN220772993U - Tunnel lining structure damage detection robot - Google Patents

Tunnel lining structure damage detection robot Download PDF

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Publication number
CN220772993U
CN220772993U CN202322349255.6U CN202322349255U CN220772993U CN 220772993 U CN220772993 U CN 220772993U CN 202322349255 U CN202322349255 U CN 202322349255U CN 220772993 U CN220772993 U CN 220772993U
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China
Prior art keywords
detection
plate
tunnel
lining structure
driving
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CN202322349255.6U
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Chinese (zh)
Inventor
李学民
李旺顺
田超
汪魁
忽海庄
李建
徐丽霞
董小山
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Chongqing Jiaotong University
PowerChina Roadbridge Group Co Ltd
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Chongqing Jiaotong University
PowerChina Roadbridge Group Co Ltd
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Abstract

The utility model discloses a tunnel lining structure damage detection robot which comprises a detection vehicle, a controller module arranged on the detection vehicle and an ultrasonic detector arranged on the detection vehicle, wherein the ultrasonic detector is provided with a detection probe in a matching way, one end of the upper surface of the detection vehicle, which is close to the front side, is provided with a lifting mechanism, the output end of the lifting mechanism is provided with a support frame, and the top end of the support frame is provided with an azimuth adjusting mechanism for adjusting the position of the detection probe. This tunnel lining structure damage detection robot can carry out ultrasonic detection to a plurality of points of tunnel lining structure coplanar to gather the analysis with detection data and take the average record, through adjusting the position of probe car in the tunnel and carry out multiple spot ultrasonic detection to other plane lining structures of tunnel, need not to arrange a plurality of detection stations in the tunnel inside, solved the present problem that a plurality of detection stations exist in the tunnel in order to guarantee the reliability of tunnel lining structure damage testing result and the work load is big and detection efficiency is low.

Description

Tunnel lining structure damage detection robot
Technical Field
The utility model relates to the technical field of tunnel structure detection, in particular to a tunnel lining structure damage detection robot.
Background
Tunnel lining refers to a protective layer on the inner wall of a tunnel, and is usually made of concrete or masonry and other materials. The tunnel lining has the functions of preventing the problems of loose soil and stones, water flow leakage, wall surface cracking and the like in the tunnel, and simultaneously ensuring safe passing of vehicles and pedestrians.
The ultrasonic detection method utilizes ultrasonic wave to propagate in the concrete, the propagation speed and frequency of the ultrasonic wave reflect the performance, the internal structure and the composition condition of the concrete material, and the ultrasonic detector is mainly used for detecting the lining strength.
At present, according to the difference of lining intensities of different sections of a tunnel, a plurality of detection stations are generally required to be arranged so as to more objectively reflect the defect condition of the tunnel, meanwhile, in order to ensure the reliability of detection results, different detection points are required to be arranged in the same detection station, and then the average value is taken, so that the detection results are more reasonable, however, the method for arranging a plurality of detection stations in the tunnel has the problems of large workload and low detection efficiency.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the tunnel lining structure damage detection robot comprises a detection vehicle, a controller module and an ultrasonic detector, wherein the controller module is arranged on the detection vehicle, the ultrasonic detector is arranged on the detection vehicle, a detection probe is arranged in a matched mode, one end, close to the front side, of the upper surface of the detection vehicle is provided with a lifting mechanism, the output end of the lifting mechanism is provided with a support frame, and the top end of the support frame is provided with an azimuth adjusting mechanism for adjusting the position of the detection probe;
the azimuth adjusting mechanism comprises a central fluted disc which is arranged at the top end of the support frame in a rotating way along the vertical central line of the support frame and a telescopic component which is arranged at the center of the front surface of the central fluted disc; the detection probe is arranged at the output end of the telescopic component;
the driving assembly is used for driving the central fluted disc to rotate; the driving assembly comprises a movable plate, a threaded sleeve, a driving screw rod and a driving source, wherein the movable plate is arranged on the upper surface of the top of the supporting frame in a sliding manner, the threaded sleeve is arranged in the center of the lower surface of the movable plate, the driving screw rod is rotatably arranged on the upper surface of the top of the supporting frame and is in threaded connection with the threaded sleeve, and the driving source is arranged on the top of the supporting frame and is used for driving the driving screw rod to rotate; the movable plate is characterized in that an extension plate is arranged on one side arm of the movable plate, and teeth connected with a central fluted disc in a meshed mode are uniformly arranged on one side of the lower surface of the extension plate.
As a preferable technical scheme of the utility model, a protection component is arranged between the telescopic component and the detection probe;
the protection component comprises a platform plate arranged at the output end of the telescopic component, sliding rods symmetrically arranged at two ends of the upper surface of the platform plate, a circular plate arranged at the top end of the sliding rod, a pressure sensor arranged on the upper surface of the platform plate and positioned between the sliding rods, two floating plates which are arranged on the sliding rod in a sliding manner and arranged up and down manner, and a protection spring sleeved on the sliding rod and positioned between the two floating plates.
As a preferable technical scheme of the utility model, the pressure sensor is positioned below the floating plate below, a fixed sleeve matched with the detection probe is embedded in the center of the floating plate above, and the detection probe is arranged in the fixed sleeve.
As a preferable technical scheme of the utility model, the center of the lower surface of the top of the support frame is provided with a shaft seat, an adaptive rotating shaft is arranged in the shaft seat, and one end of the front surface of the rotating shaft is fixedly connected with the center of the central fluted disc.
As a preferable technical scheme of the utility model, the upper surface of the top of the support frame is symmetrically provided with a first T-shaped guide rail, the lower surface of the movable plate is provided with a chute matched with the first T-shaped guide rail, two sides of the upper surface of the top of the support frame are symmetrically provided with earmuffs for supporting the driving screw rod, one end of the driving screw rod extends to the outer side of the earmuffs, and the driving source inputs power to the driving screw rod through the extending end of the driving screw rod.
As a preferable technical scheme of the utility model, the lifting mechanism comprises a portal frame arranged on one end of the upper surface of the detection vehicle, which is close to the front side, a transverse plate arranged in the portal frame, which is close to the bottom end, a lifting screw rod rotatably arranged between the transverse plate and a top plate body of the portal frame, a driving motor arranged on the upper surface of the detection vehicle and used for driving the lifting screw rod to rotate, a lifting plate arranged on one side of the front side of the portal frame in a sliding manner, and a thread cylinder arranged on the back of the lifting plate and matched with the lifting screw rod; and two ends of the bottom of the support frame are fixedly connected with the lifting plate respectively.
As a preferable technical scheme of the utility model, the vertical section plate bodies on two sides of the portal frame are symmetrically provided with the second T-shaped guide rails, and two ends of the lifting plate are respectively provided with a sliding sleeve matched with the second T-shaped guide rails.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the tunnel lining structure damage detection robot, through the structures such as the detection vehicle, the detection probe, the support frame, the central fluted disc, the telescopic component, the movable plate, the threaded sleeve, the driving screw rod, the driving source, the extension plate and the tooth, which are arranged, ultrasonic detection can be carried out on a plurality of points on the same plane of the tunnel lining structure, detection data are summarized, analyzed and recorded in an average value, meanwhile, the positions of the detection vehicle in the tunnel are adjusted to carry out multi-point ultrasonic detection on other plane lining structures of the tunnel, a plurality of detection stations are not required to be arranged in the tunnel, the problems of large workload and low detection efficiency existing in order to ensure the reliability of the damage detection result of the tunnel lining structure in the tunnel at present are solved, and the tunnel lining structure damage detection robot has stronger practicability;
2. through the structures such as the platform plate, the slide bar, the circular plate, the pressure sensor, the floating plate and the protection spring, the situation that the detection probe is damaged due to excessive extrusion between the detection probe and the tunnel lining concrete wall is prevented under the premise that the detection probe is attached to the tunnel lining concrete wall and the detection data is accurate is guaranteed.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic top perspective view of the present utility model;
FIG. 2 is a schematic bottom perspective view of the present utility model;
FIG. 3 is a schematic view of the structure of the movable plate of the present utility model;
FIG. 4 is a schematic top perspective view of the utility model with FIG. 3 removed;
FIG. 5 is a schematic view of the structure of FIG. 1 at A according to the present utility model;
FIG. 6 is a schematic view of the structure of FIG. 2 at B in accordance with the present utility model;
FIG. 7 is a schematic view of the structure of FIG. 4 at C in accordance with the present utility model;
fig. 8 is a schematic diagram of the structure D in fig. 4 according to the present utility model.
In the figure: 1. a detection vehicle; 2. a controller module; 3. an ultrasonic detector; 4. a detection probe; 5. a support frame; 6. a central fluted disc; 7. a telescopic member; 8. a movable plate; 9. a thread sleeve; 10. driving a screw rod; 11. a driving source; 12. an extension plate; 13. teeth; 14. a platform plate; 15. a slide bar; 16. a circular plate; 17. a pressure sensor; 18. a floating plate; 19. a protection spring; 20. a fixed sleeve; 21. a shaft seat; 22. a rotating shaft; 23. a first T-shaped rail; 24. a chute; 25. ear muffs; 26. a portal frame; 27. a cross plate; 28. lifting the screw rod; 29. a driving motor; 30. a lifting plate; 31. a thread cylinder; 32. a second T-shaped rail; 33. and a sliding sleeve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
The division of the modules in the present application is a logical division, and may be implemented in another manner in practical application, for example, a plurality of modules may be combined or integrated in another system, or some features may be omitted or not implemented, and in addition, coupling or direct coupling or communication connection between the modules that are shown or discussed may be through some interfaces, and indirect coupling or communication connection between the modules may be in an electrical or other similar form, which is not limited in this application. The modules or sub-modules described as separate components may or may not be physically separate, or may be distributed in a plurality of circuit modules, and some or all of the modules may be selected according to actual needs to achieve the purposes of the present application.
As shown in fig. 1 to 8, the tunnel lining structure damage detection robot comprises a detection vehicle 1, a controller module 2 arranged on the detection vehicle 1 and an ultrasonic detector 3 arranged on the detection vehicle 1, wherein the ultrasonic detector 3 is provided with a detection probe 4 in a matching way, one end, close to the front side, of the upper surface of the detection vehicle 1 is provided with a lifting mechanism, the output end of the lifting mechanism is provided with a support frame 5, and the top end of the support frame 5 is provided with an azimuth adjusting mechanism for adjusting the position of the detection probe 4; the azimuth adjusting mechanism comprises a central fluted disc 6 which is arranged at the top end of the supporting frame 5 along the vertical central line of the supporting frame 5 in a rotating way and a telescopic part 7 which is arranged at the center of the front surface of the central fluted disc 6; the detection probe 4 is arranged at the output end of the telescopic component 7; the driving assembly is used for driving the central fluted disc 6 to rotate; the driving assembly comprises a movable plate 8 arranged on the upper surface of the top of the supporting frame 5 in a sliding manner, a threaded sleeve 9 arranged in the center of the lower surface of the movable plate 8, a driving screw rod 10 rotatably arranged on the upper surface of the top of the supporting frame 5 and in threaded connection with the threaded sleeve 9, and a driving source 11 arranged on the top of the supporting frame 5 and used for driving the driving screw rod 10 to rotate; an arm at one side of the movable plate 8 is provided with an extension plate 12, and teeth 13 which are engaged and connected by a central fluted disc 6 are uniformly arranged at one side of the lower surface of the extension plate 12;
in the present embodiment, a protection component is provided between the telescopic member 7 and the detection probe 4; the protection component comprises a platform plate 14 arranged at the output end of the telescopic component 7, sliding rods 15 symmetrically arranged at two ends of the upper surface of the platform plate 14, a circular plate 16 arranged at the top end of the sliding rods 15, a pressure sensor 17 arranged on the upper surface of the platform plate 14 and positioned between the sliding rods 15, two floating plates 18 which are arranged on the sliding rods 15 in a sliding manner and are arranged up and down, and a protection spring 19 which is sleeved on the sliding rods 15 and positioned between the two floating plates 18; it should be noted that, the telescopic component 7 is preferably an electric telescopic rod, the ultrasonic detector 3, the telescopic component 7 and the pressure sensor 17 are all electrically connected with the controller module 2, and when the pressure borne by the pressure sensor 17 reaches a predetermined value, the controller module 2 controls the telescopic component 7 to stop working;
the specific working process of the protection component is as follows: after the central fluted disc 6 rotates by a proper angle, the telescopic component 7 starts to drive the detection probe 4 on the platform plate 14 to approach the tunnel wall and contact with the tunnel wall, the upper floating plate 18 and the lower floating plate 18 are driven to slide along the sliding rod 15 along with the further extension of the detection probe 4 by the telescopic component 7, the lower floating plate 18 extrudes the pressure sensor 17 at the bottom, in the process, the protection spring 19 is acted by the two floating plates 18 to be in a compressed state, after the pressure value born by the pressure sensor 17 reaches a preset value, the controller module 2 controls the telescopic component 7 to stop working, and at the moment, the detection probe 4 is attached to the tunnel wall to detect the tunnel lining concrete; through the structures of the platform plate 14, the slide bar 15, the circular plate 16, the pressure sensor 17, the floating plate 18, the protection spring 19 and the like, the situation that the detection probe 4 is damaged due to excessive extrusion between the detection probe 4 and the tunnel lining concrete wall can be prevented on the premise that the detection probe 4 is attached to the tunnel lining concrete wall and the detection data is accurate can be guaranteed.
Specifically, the pressure sensor 17 is located below the lower floating plate 18, the fixing sleeve 20 matched with the detection probe 4 is embedded in the center of the upper floating plate 18, the detection probe 4 is installed inside the fixing sleeve 20, and then the detection probe 4 is installed on the upper floating plate 18, so that the protection component composed of the sliding rod 15, the pressure sensor 17 and other structures below the detection probe 4 is guaranteed to protect the detection probe 4.
Preferably, the center of the lower surface of the top of the support frame 5 is provided with a shaft seat 21, an adaptive rotating shaft 22 is arranged in the shaft seat 21, and one end of the front surface of the rotating shaft 22 is fixedly connected with the center of the central fluted disc 6; it should be noted that the rotating shaft 22 is inserted into the shaft seat 21, and limiting rings are disposed on two sides of the rotating shaft 22 located on the shaft seat 21, so as to realize the rotation between the central fluted disc 6 and the supporting frame 5.
Specifically, the upper surface of the top of the support frame 5 is symmetrically provided with a first T-shaped guide rail 23, the lower surface of the movable plate 8 is provided with a chute 24 matched with the first T-shaped guide rail 23, so that the movable plate 8 is arranged at the top of the support frame 5 in a sliding manner, the two sides of the upper surface of the top of the support frame 5 are symmetrically provided with earmuffs 25 for supporting the driving screw rods 10, the driving screw rods 10 are inserted into the earmuffs 25, and the two sides of the driving screw rods 10, which are positioned on the earmuffs 25, are provided with limiting rings; one end of the driving screw rod 10 extends to the outer side of the earmuff 25, the driving source 11 inputs power to the driving screw rod 10 through the extending end of the driving screw rod 10, it is to be noted that a driven belt wheel is arranged at one end of the outer side of the driving screw rod 10, the driving source 11 is preferably a motor, a driving belt wheel is arranged at the output end of the driving source 11, and the driving belt wheel is in transmission connection with the driven belt wheel through a synchronous belt, so that the power of the driving source 11 is input to the driving screw rod 10.
The lifting mechanism comprises a portal frame 26 arranged on the upper surface of the detection vehicle 1 and close to one end of the front side, a transverse plate 27 arranged in the portal frame 26 and close to the bottom end, a lifting screw rod 28 rotatably arranged between the transverse plate 27 and a plate body at the top of the portal frame 26, a driving motor 29 arranged on the upper surface of the detection vehicle 1 and used for driving the lifting screw rod 28 to rotate, a lifting plate 30 arranged on one side of the front side of the portal frame 26 in a sliding manner, and a threaded cylinder 31 arranged on the back of the lifting plate 30 and matched with the lifting screw rod 28; two ends of the bottom of the supporting frame 5 are fixedly connected with the lifting plate 30 respectively; it should be noted that, the driving motor 29 is electrically connected with the controller module 2;
the working process of the lifting mechanism is as follows: the driving motor 29 works to drive the lifting screw rod 28 to rotate, the lifting plate 30 is driven to move along the portal frame 26 under the cooperation of the threaded cylinder 31, then the supporting frame 5 and the detection probe 4 and other structures mounted on the top of the supporting frame are driven to move, when detection is needed, the detection probe 4 stops when approaching to the tunnel lining concrete wall, after detection is finished, the lifting plate 30 is driven to descend to the bottom end of the portal frame 26, and the detection probe 4 and other structures on the supporting frame 5 are reset.
Preferably, the vertical section plate bodies at two sides of the portal frame 26 are symmetrically provided with second T-shaped guide rails 32, and two ends of the lifting plate 30 are respectively provided with a sliding sleeve 33 matched with the second T-shaped guide rails 32, so that the lifting plate 30 is arranged on the front surface of the portal frame 26 in a sliding manner.
Working principle: when the detection device is used, the detection vehicle 1 is driven into a tunnel to be detected, after the detection vehicle 1 moves to a lining part to be detected of the tunnel, the driving motor 29 is started to drive the lifting plate 30 and the support frame 5 to lift along the portal frame 26, when the detection probe 4 at the top of the support frame 5 is close to the lining surface of the tunnel, the driving motor 29 is closed, the telescopic part 7 is subsequently started to drive the detection probe 4 at the top output end to be attached to the lining surface of the tunnel, the telescopic part 7 is closed after the detection probe 4 is attached to the lining surface of the tunnel, the detection probe 4 transmits detected data to the ultrasonic detector 3, and the ultrasonic detector 3 continuously transmits the data to the controller module 2; after the point position is detected, the telescopic part 7 is regulated to shrink so as to separate the detection probe 4 from the lining surface of the tunnel, the driving source 11 is started to drive the driving screw rod 10 to rotate, the movable plate 8 is driven to move left and right along the top of the supporting frame 5 under the cooperation of the threaded sleeve 9, the extension plate 12 moves synchronously along with the movable plate 8, the tooth 13 drives the central fluted disc 6 to rotate on the top of the supporting frame 5, the azimuth orientation of the detection probe 4 is regulated, the driving source 11 is closed after the orientation of the detection probe 4 is regulated, the telescopic part 7 is started again, the detection probe 4 is attached to the lining surface of the tunnel to detect other parts of the lining wall of the tunnel on the same plane, and detection data are transmitted to the ultrasonic detector 3 and the controller module 2; according to the mode, average value of detection data of the lining walls of the tunnels on the same plane is recorded;
the detection vehicle 1 is started subsequently to move according to a certain distance, ultrasonic detection is carried out on other planes of the lining wall of the tunnel, and the detected data are compared and analyzed subsequently, so that the damage degree of the lining structure of the tunnel is obtained, the maintenance is carried out timely, and the occurrence of safety accidents is prevented.
This tunnel lining structure damage detection robot is through the probe truck 1, the test probe 4, the support frame 5, the central fluted disc 6, telescopic part 7, fly leaf 8, thread bush 9, drive lead screw 10, the drive source 11, extension board 12, tooth 13 isotructures, can carry out ultrasonic detection to the planar a plurality of points of tunnel lining structure, and gather the analysis with the detected data and get the average record, meanwhile, through adjusting the position of probe truck 1 in the tunnel and carry out multiple spot ultrasonic detection to other planar lining structures of tunnel, need not to arrange a plurality of detecting stations in the tunnel inside, the problem that the work load that exists is big and detection efficiency is low in order to guarantee the reliability of tunnel lining structure damage testing result and arrange a plurality of detecting stations in the tunnel at present has stronger practicality.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims (7)

1. Tunnel lining structure damage detection robot, including probe car (1), set up controller module (2) on probe car (1) and set up ultrasonic detector (3) on probe car (1), ultrasonic detector (3) are supporting to be provided with test probe (4), its characterized in that: the detection device is characterized in that a lifting mechanism is arranged at one end, close to the front side, of the upper surface of the detection vehicle (1), a supporting frame (5) is arranged at the output end of the lifting mechanism, and an azimuth adjusting mechanism for adjusting the position of the detection probe (4) is arranged at the top end of the supporting frame (5);
the azimuth adjusting mechanism comprises a central fluted disc (6) which is arranged at the top end of the supporting frame (5) along the vertical central line of the supporting frame (5) in a rotating way and a telescopic component (7) which is arranged at the center of the front surface of the central fluted disc (6); the detection probe (4) is arranged at the output end of the telescopic component (7);
the device also comprises a driving component for driving the central fluted disc (6) to rotate; the driving assembly comprises a movable plate (8) arranged on the upper surface of the top of the supporting frame (5) in a sliding manner, a threaded sleeve (9) arranged in the center of the lower surface of the movable plate (8), a driving screw rod (10) rotatably arranged on the upper surface of the top of the supporting frame (5) and in threaded connection with the threaded sleeve (9), and a driving source (11) arranged on the top of the supporting frame (5) and used for driving the driving screw rod (10) to rotate; an extending plate (12) is arranged on one side arm of the movable plate (8), and teeth (13) which are connected with the central fluted disc (6) in a meshed mode are uniformly arranged on one side of the lower surface of the extending plate (12).
2. The tunnel lining structure damage detection robot of claim 1, wherein: a protection component is arranged between the telescopic component (7) and the detection probe (4);
the protection component comprises a platform plate (14) arranged at the output end of the telescopic component (7), sliding rods (15) symmetrically arranged at two ends of the upper surface of the platform plate (14), a circular plate (16) arranged at the top end of the sliding rods (15), a pressure sensor (17) arranged on the upper surface of the platform plate (14) and located between the sliding rods (15), two floating plates (18) which are arranged on the sliding rods (15) in a sliding manner and are arranged up and down, and a protection spring (19) sleeved on the sliding rods (15) and located between the two floating plates (18).
3. The tunnel lining structure damage detection robot of claim 2, wherein: the pressure sensor (17) is located below the floating plate (18), a fixed sleeve (20) matched with the detection probe (4) is embedded in the center of the floating plate (18) above, and the detection probe (4) is installed inside the fixed sleeve (20).
4. The tunnel lining structure damage detection robot of claim 1, wherein: the center of the lower surface of the top of the supporting frame (5) is provided with a shaft seat (21), an adaptive rotating shaft (22) is arranged in the shaft seat (21), and one end of the front surface of the rotating shaft (22) is fixedly connected with the center of the center fluted disc (6).
5. The tunnel lining structure damage detection robot of claim 1, wherein: the utility model discloses a motor drive device, including support frame (5), movable plate (8), support frame (5) top upper surface symmetry is provided with first T type guide rail (23), spout (24) with first T type guide rail (23) adaptation have been seted up to movable plate (8) lower surface, support frame (5) top upper surface bilateral symmetry is provided with ear muff (25) that are used for supporting drive lead screw (10), drive lead screw (10) one end extends to the ear muff (25) outside, drive source (11) are through drive lead screw (10) extension end with power input to drive lead screw (10).
6. The tunnel lining structure damage detection robot of claim 1, wherein: the lifting mechanism comprises a portal frame (26) arranged on the upper surface of the detection vehicle (1) and close to one end of the front side, a transverse plate (27) arranged in the portal frame (26) and close to the bottom end, a lifting screw rod (28) rotatably arranged between the transverse plate (27) and a top plate body of the portal frame (26), a driving motor (29) arranged on the upper surface of the detection vehicle (1) and used for driving the lifting screw rod (28) to rotate, a lifting plate (30) arranged on one side of the front side of the portal frame (26) in a sliding manner, and a threaded cylinder (31) arranged on the back side of the lifting plate (30) and matched with the lifting screw rod (28); two ends of the bottom of the supporting frame (5) are fixedly connected with the lifting plate (30) respectively.
7. The tunnel lining structure damage detection robot of claim 6, wherein: the vertical section plate body of portal frame (26) both sides symmetry is provided with second T type guide rail (32), lifter plate (30) both ends all are provided with sliding sleeve (33) with second T type guide rail (32) adaptation.
CN202322349255.6U 2023-08-30 2023-08-30 Tunnel lining structure damage detection robot Active CN220772993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322349255.6U CN220772993U (en) 2023-08-30 2023-08-30 Tunnel lining structure damage detection robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322349255.6U CN220772993U (en) 2023-08-30 2023-08-30 Tunnel lining structure damage detection robot

Publications (1)

Publication Number Publication Date
CN220772993U true CN220772993U (en) 2024-04-12

Family

ID=90605737

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322349255.6U Active CN220772993U (en) 2023-08-30 2023-08-30 Tunnel lining structure damage detection robot

Country Status (1)

Country Link
CN (1) CN220772993U (en)

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