CN210452736U

CN210452736U - Sling type crack detection robot

Info

Publication number: CN210452736U
Application number: CN201821501110.6U
Authority: CN
Inventors: 范吉军; 王立宗; 余南辉
Original assignee: Wuhan Polytechnic University
Current assignee: Wuhan Polytechnic University
Priority date: 2018-09-13
Filing date: 2018-09-13
Publication date: 2020-05-05
Anticipated expiration: 2028-09-13

Abstract

The utility model discloses a hoist cable formula crackle detection robot, include: a sling; the detection vehicle is arranged on the sling and provided with an infrared detector, a temperature changing device and a control module, and the infrared detector and the temperature changing device are respectively connected to the control module; the suspension structure is arranged on the detection vehicle and matched with the sling, and comprises a snap ring, a plurality of pairs of fixed wheels and driving wheels, the plurality of pairs of fixed wheels and driving wheels are arranged on side frames on two sides of the detection vehicle, the snap ring is positioned between the fixed wheels and the driving wheels and fixedly connected with the side frames of the detection vehicle, and the common tangent lines of the fixed wheels and the driving wheels penetrate through the snap ring. The sling type crack detection robot is used for replacing manual detection operation, crack detection is carried out by utilizing an infrared thermal imaging principle, the crack detection accuracy and detection efficiency are improved, and the building safety and the worker personal safety are greatly guaranteed.

Description

Sling type crack detection robot

Technical Field

The utility model belongs to the detection equipment field, more specifically relates to a hoist cable formula crackle detection robot.

Background

With the development of science and technology and the requirements of production and living, people create various large-scale engineering buildings, the engineering buildings are dominated by concrete structures, cracks are generated on the outer surfaces of the large-scale concrete building structures under the conditions of stress action, temperature change and the like, the cracks are physical structural changes of the concrete structures due to the action of internal and external factors and are main reasons for reducing the bearing capacity, durability and waterproofness of the concrete structures, therefore, whether the cracks are harmful cracks needs to be identified in time, corresponding safety measures need to be taken in time for the harmful cracks, a manual detection mode is usually adopted in the traditional method, the cracks are easy to be missed and judged by manual detection, and on steep walls of some large-scale building structures, the manual operation is high in danger, low in efficiency and difficult to move.

Therefore, it is necessary to develop a sling type crack detection robot to replace manual operation, avoid danger during manual operation, avoid omission of detection areas, improve crack detection accuracy and detection efficiency, and ensure building safety to a great extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoist cable formula crack detection robot replaces manual work, utilizes the infrared thermal imaging principle to carry out the crack detection, improves the degree of accuracy and the detection efficiency that the crack was surveyed, and the security of building and workman's personal safety are guaranteed to very big degree.

In order to achieve the above object, the utility model provides a hoist cable formula crack detection robot includes:

a sling;

the detection vehicle is arranged on the sling and provided with an infrared detector, a temperature changing device and a control module, and the infrared detector and the temperature changing device are respectively connected to the control module;

the suspension structure, suspension structure set up in on the probe vehicle, cooperate in the hoist cable, including snap ring, many pairs of tight pulley and action wheel install in on the side bearer on probe vehicle both sides, the snap ring is located between tight pulley and the action wheel, with probe vehicle's side bearer fixed connection, the public tangent line of tight pulley and action wheel passes the snap ring.

Preferably, a main shaft of the driving wheel is provided with a double-output shaft stepping motor, and two sides of the hub of the driving wheel and the fixed wheel are provided with baffles.

Preferably, the driving wheel is arranged in the middle of the detection vehicle, and the fixed wheels are arranged at the front end and the rear end of the detection vehicle.

Preferably, the fixed wheels are fixed on the side frames at two sides of the detection vehicle through pin shafts.

Preferably, the temperature changing device comprises a high-pressure sprayer, a first steering engine, a conveying pipe, a pump and a storage tank, wherein the high-pressure sprayer is arranged on the first steering engine, one end of the conveying pipe is connected with the high-pressure sprayer, and the other end of the conveying pipe is connected with the storage tank through the pump.

Preferably, the temperature changing device comprises a hot air nozzle, an air duct, a second steering engine and an air blower, the hot air nozzle is arranged on the second steering engine, one end of the air duct is connected with the hot air nozzle, and the other end of the air duct is connected with the air blower.

Preferably, both ends of the sling are connected to the synchronous rail car, and the sling is arranged between the two rails through the synchronous rail car.

Preferably, the control module comprises a central processing unit, a wireless transmission module and a stepping motor driver.

Preferably, the top of probe vehicle is equipped with solar panel, solar panel connects in the battery.

Preferably, a bottom plate of the probe vehicle is provided with honeycomb-shaped heat dissipation holes.

The beneficial effects of the utility model reside in that:

1. the detection vehicle is hung on a to-be-detected surface of a building through the matching of the clamp ring, the multiple pairs of fixed wheels, the driving wheel and the sling on the detection vehicle, so that the detection vehicle can move along the sling, the control module can control the temperature changing device and the infrared detector, the temperature changing device is used for changing the temperature on the surface of a local building, the temperature difference is generated between the surface and a crack, and the position and the size of the crack are detected by utilizing the thermal imaging principle of the infrared detector.

2. The main shaft is provided with a double-output shaft stepping motor, so that the driving wheel rotates to provide power for advancing of the detection vehicle, and the two sides of the hub of the driving wheel and the fixed wheel are provided with baffles to prevent the sling from slipping off the hub, so that the detection vehicle is separated from an advancing route.

3. The driving wheel and the fixed wheel are arranged at intervals, so that the detection vehicle is matched with the sling more firmly, and the running is more stable.

4. When ambient temperature was on the high side, control module control pump passed through the conveyer pipe with the coolant in the holding vessel and is spouted by high pressure nozzle, sprays the detection plantago on the surface of treating to detect, with surface rapid cooling, the heat that the crack radiation was out this moment will be different with the surface by the cooling, when infrared detector surveyed, can come out the crack correlation data rapid detection.

5. When ambient temperature is lower, control module control air-blower work, with air transport to hot air shower nozzle, with hot-blast spraying to the detection plantago on waiting to survey the surface, with surperficial rapid heating up, the heat that the crack radiation was out this moment will be different with the surface that is cooled down, when infrared detector surveyed, can come out the crack correlation data short-term test.

6. Two parallel tracks are arranged on two sides of the surface of a building to be detected, synchronous railcars are arranged on the two tracks, two ends of a sling are connected to the synchronous railcars on the two tracks, the sling can change positions along with the movement of the synchronous railcars, and a detection area of the detection car on the sling completely covers a surface to be detected.

7. The solar panel is arranged at the top of the detection vehicle, so that partial electric energy can be provided for the work of the detection vehicle, the detection vehicle is energy-saving and environment-friendly, and can also be used as emergency electric energy, and the detection operation is guaranteed to be carried out smoothly.

8. The bottom plate is provided with honeycomb-shaped heat dissipation holes, so that heat dissipation of the solar panel is facilitated.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.

Fig. 1 shows a schematic structural diagram of a sling-type crack detection robot according to an embodiment of the present invention.

Fig. 2 shows a schematic bottom structure diagram of a probe vehicle according to an embodiment of the present invention.

Fig. 3 shows a schematic top structure diagram of a probe vehicle according to an embodiment of the present invention.

Fig. 4 shows a schematic structural diagram of a temperature varying device according to an embodiment of the present invention.

Fig. 5 shows a partial schematic view of a temperature change device according to an embodiment of the present invention.

Fig. 6 shows a schematic structural view of a hot blast nozzle according to an embodiment of the present invention.

Fig. 7 shows a schematic position diagram of a snap ring according to an embodiment of the invention.

Fig. 8 shows a control relationship diagram according to an embodiment of the invention.

Description of the reference numerals

1. A track; 2. synchronizing the rail cars; 3. a sling; 4. detecting a vehicle; 5. a base plate; 6. a side frame plate; 7. a driving wheel; 8. a step motor with double output shafts; 9. a fixed wheel; 10. an infrared detector; 11. a central processing unit; 12. a stepper motor driver; 13. a wireless transmission module; 14. a solar panel; 15. A storage battery; 16. heat dissipation holes; 17. a brush roller; 18. a coupling; 19. a drive motor; 20. a high pressure spray head; 21. a first steering engine; 22. a delivery pipe; 23. a pump; 24. a storage tank; 25. a hot air shower nozzle; 26. an air duct; 27. a second steering engine; 28. a blower; 29. a thermal resistor; 30. a gas ejector tube; 31. buckling; 32. a fixed mount; 33. a gas injection hole; 34. a support bar; 35. a clamping sleeve; 36. a diversion conduit; 37. a conduit; 38. a soft catheter; 39. a main shaft; 40. a snap ring;

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

According to the utility model discloses a hoist cable formula crackle detection robot includes:

a sling;

the suspension structure is arranged on the detection vehicle and matched with the sling, and comprises a snap ring, a plurality of pairs of fixed wheels and driving wheels, the plurality of pairs of fixed wheels and driving wheels are arranged on side frames on two sides of the detection vehicle, the snap ring is positioned between the fixed wheels and the driving wheels and fixedly connected with the side frames of the detection vehicle, and the common tangent lines of the fixed wheels and the driving wheels penetrate through the snap ring.

Specifically, a sling is arranged on the surface to be detected of the building, the detection vehicle is hung on the surface to be detected of the building through the matching of a snap ring, a plurality of pairs of fixed wheels, a driving wheel and the sling, the detection vehicle can move along the sling, the control module can control the temperature changing device and the infrared detector, the temperature changing device is used for changing the temperature on the surface of a local building, so that the temperature difference is generated between the surface and the crack, and the position and the size of the crack are detected by utilizing the thermal imaging principle of the infrared detector.

As the preferred scheme, be equipped with dual output shaft step motor on the main shaft of action wheel, the wheel hub both sides of action wheel and fixed pulley are equipped with the baffle.

Specifically, a double-output-shaft stepping motor is arranged on the main shaft, so that the driving wheel rotates to provide power for advancing of the detection vehicle, and baffles are arranged on two sides of the hub of the driving wheel and the fixed wheel to prevent the sling from slipping off the hub, so that the detection vehicle is separated from an advancing route.

As preferred scheme, the action wheel sets up in the middle part of detecting the car, and the tight pulley sets up in the front and back both ends of detecting the car.

Particularly, the driving wheel and the fixed wheel are arranged at intervals, so that the detection vehicle is matched with the sling more firmly, and the running is more stable.

As the preferred scheme, the fixed wheels are fixed on the side frames at two sides of the detection vehicle through pin shafts.

As preferred scheme, the alternating temperature device includes high pressure nozzle, first steering wheel, conveyer pipe, pump and holding vessel, and high pressure nozzle sets up in first steering wheel, and conveyer pipe one end is connected in high pressure nozzle, and the other end passes through the pump to be connected in the holding vessel.

More preferably, a clamping sleeve is arranged on a rotating shaft of the first steering engine, a guide pipe is arranged on the clamping sleeve, a diversion guide pipe is arranged at the front end of the guide pipe, and the high-pressure spray head is arranged on the diversion guide pipe.

More preferably, the storage tank is filled with a cooling medium.

More preferably, the cooling medium is an aqueous solution or dry ice.

Specifically, when ambient temperature was on the high side, control module control pump passed through the coolant in with the holding vessel and is spouted by high pressure nozzle through the conveyer pipe, sprays the detection plantago and treats to survey on the surface, with surperficial rapid cooling, the heat that the crack radiation goes out this moment will be different with the surface that is cooled down, when infrared detector surveyed, can come out the crack correlation data rapid detection.

As a preferred scheme, the temperature changing device comprises a hot air spray head, an air guide pipe, a second steering engine and a blower, wherein the hot air spray head is arranged on the second steering engine, one end of the air guide pipe is connected with the hot air spray head, and the other end of the air guide pipe is connected with the blower.

Specifically, when ambient temperature is lower, control module control air-blower work, with air transport to hot air shower nozzle, with hot-blast spraying to the detection plantago on waiting to survey the surface, with the surface rapid heating up, the heat that the crack radiation was out this moment will be different with the surface that is cooled down, when infrared detector surveyed, can come out the crack correlation data short-term test.

More preferably, the hot air nozzle comprises a thermal resistor, an air injection pipe, a buckle and a fixing frame, an air injection hole is formed in the air injection pipe, the thermal resistor and the air injection pipe are arranged on the fixing frame in parallel through the buckle, and the thermal resistor is located on the side of the air injection hole.

More preferably, be equipped with the centre gripping sleeve in the pivot of second steering wheel, be connected with the bracing piece on the centre gripping sleeve, the mount sets up on the bracing piece.

Specifically, the hot air spray head is provided with the thermal resistor at the air injection empty position, so that the normal-temperature air conveyed by the air blower can be directly heated, and the hot air is sufficiently and timely supplied.

As preferred scheme, the hoist cable both ends are connected in synchronous railcar, and the hoist cable passes through synchronous railcar and sets up between two tracks.

Specifically, two parallel tracks are arranged on two sides of the surface of the building to be detected, synchronous railcars are arranged on the two tracks, two ends of a sling are connected to the synchronous railcars on the two tracks, the sling can change positions along with the movement of the synchronous railcars, and a detection area of the detection car on the sling completely covers the surface to be detected.

As the preferred scheme, the control module comprises a central processing unit, a wireless transmission module and a stepping motor driver.

More preferably, the control module comprises a control base station, a wireless transmission module, a central processing unit and a stepping motor driver, wherein the infrared detector, the temperature varying device and the stepping motor driver are connected to the central processing unit, the central processing unit is connected to the wireless transmission module, and the wireless transmission module is connected to the control base station.

The control base station is internally provided with a controller and a host, the host is connected with the controller, and a bridge detection program and a damage database are installed in the host.

The host machine transmits the bridge detection program to the controller through an electric signal, the controller transmits the electric signal to the central processing unit through the wireless transmission module, and the central processing unit executes detection actions according to the electric signal.

The measured data of the infrared detector is transmitted to the central processing unit, the central processing unit transmits the measured data to the host through the wireless transmission module, and the host compares and analyzes the measured data with the damage database.

As preferred scheme, the top of probe vehicle is equipped with solar panel, and solar panel connects in the battery.

Specifically, set up solar panel at detection roof portion, can provide partial electric energy for the work of detecting the car, energy-concerving and environment-protective, also can regard as emergent electric energy, guarantee that the detection operation goes on smoothly.

Preferably, the bottom plate of the probe vehicle is provided with honeycomb-shaped heat dissipation holes.

Specifically, the bottom plate is provided with honeycomb-shaped heat dissipation holes, so that heat dissipation of the solar panel is facilitated.

More preferably, be equipped with cleaning device on the probe car, including brush roller, driving motor and shaft coupling, the brush roller passes through the rotation axis and sets up in the probe car front end, and the brush roller passes through the shaft coupling with driving motor and is connected.

Specifically, set up cleaning device in the front end of detection plantago direction, utilize central processing unit start driving motor to drive the brush roller and rotate, will wait to detect the dust and the impurity clearance on concrete surface, avoid surface attachment to bring the influence to infrared detector's formation of image, make the detection result more accurate.

Examples

Fig. 1 shows a schematic structural view of a sling-type crack detection robot according to an embodiment of the present invention; fig. 2 shows a schematic bottom structure of a probe vehicle according to an embodiment of the present invention; fig. 3 shows a schematic top structure of a probe vehicle according to an embodiment of the present invention; fig. 4 shows a schematic structural view of a temperature changing device according to an embodiment of the present invention; fig. 5 illustrates a partial schematic view of a temperature change device according to an embodiment of the present invention; fig. 6 shows a schematic structural view of a hot blast nozzle according to an embodiment of the present invention; fig. 7 is a schematic view of the position of a snap ring according to an embodiment of the present invention; fig. 8 shows a control relationship diagram according to an embodiment of the invention. As shown in fig. 1 to 8, the sling type crack detecting robot includes:

the two ends of the sling 3 are connected with the synchronous rail car 2, and the sling 3 is arranged between the two rails 1 through the synchronous rail car 2;

the detection vehicle 4 is erected on the sling 3, the detection vehicle 4 comprises a bottom plate 5 and side frame plates 6 located on two sides of the bottom plate, honeycomb-shaped heat dissipation holes 16 are formed in the bottom plate 5, a plurality of pairs of fixed wheels 9 and driving wheels 7 are installed on the side frame plates 6, a double-output-shaft stepping motor 8 is arranged on a main shaft 39 of each driving wheel 7, the detection vehicle 4 is erected on the sling 3 through the cooperation of the fixed wheels 9 and the driving wheels 7, the driving wheels 7 are arranged in the middle of the detection vehicle 4, the fixed wheels 9 are arranged at the front end and the rear end of the detection vehicle 4, the fixed wheels 9 are fixed on the side frame plates 6 on two sides of the detection vehicle 4 through pin shafts, snap rings 40 are located between the fixed wheels 9 and the driving wheels 7 and fixedly connected with the side frame plates 6 of the detection vehicle 4, common tangent lines of the fixed wheels 9 and the driving wheels 7 penetrate through the. The detection vehicle 4 is provided with an infrared detector 10 and a control module, and the infrared detector 10 is connected to the control module.

The control module comprises a control base station and a wireless transmission module 13, the system comprises a central processing unit 11 and a stepping motor driver 12, an infrared detector 10, a temperature changing device and the stepping motor driver 12 are connected to the central processing unit 11, the central processing unit 11 is connected to a wireless transmission module 13, the wireless transmission module 13 is connected to a control base station, a controller and a host are arranged in the control base station, the host is connected to the controller, a bridge detection program and a damage database are installed in the host, the host transmits the bridge detection program to the controller through an electric signal, the controller transmits the electric signal to the central processing unit 11 through the wireless transmission module, the central processing unit 11 executes a detection action according to the electric signal, measurement data of the infrared detector 10 are transmitted to the central processing unit 11, the central processing unit 11 transmits the measurement data to the host through the wireless transmission module 13, and the host compares.

The temperature changing device is arranged on the detection vehicle 3 and connected to the control module, and comprises a heating device and a cooling device, wherein:

the cooling device comprises a high-pressure nozzle 20, a first steering engine 21, a conveying pipe 22, a pump 23 and a storage tank 24, a clamping sleeve 35 is arranged on a rotating shaft of the first steering engine 21, a guide pipe 37 is arranged on the clamping sleeve 35, a diversion guide pipe 36 is arranged at the front end of the guide pipe 37, the high-pressure nozzle 20 is arranged on the diversion guide pipe 36, the conveying pipe 22 is connected to the high-pressure nozzle 20 through a soft guide pipe 38, the other end of the conveying pipe is connected to the storage tank 24 through the pump 23, and a cooling medium is filled in the. .

Rising temperature device includes hot air shower nozzle 25, air duct 26, second steering wheel 27, air-blower 28, hot air shower nozzle 25 includes thermal resistor 29, jet-propelled pipe 30, buckle 31 and mount 32, jet orifice 33 has been seted up on jet-propelled pipe 30, thermal resistor 29 sets up on mount 32 through buckle 31 with jet-propelled pipe 30 side by side, thermal resistor 29 is located jet orifice 33 side, set up on second steering wheel 27, be equipped with centre gripping sleeve 35 in second steering wheel 27's the pivot, be connected with bracing piece 34 on the centre gripping sleeve 35, mount 32 sets up on bracing piece 34, air duct 26 one end is connected in hot air shower nozzle 25, the other end is connected in air-blower 28.

The detection vehicle 4 is also provided with a cleaning device which comprises a brush roller 17, a driving motor 19 and a coupling 18, wherein the brush roller 17 is arranged at the front end of the detection vehicle 4 through a rotating shaft, and the brush roller 17 is connected with the driving motor 19 through the coupling 18; the top of the probe vehicle 4 is provided with a solar panel 14, and the solar panel 14 is connected to a storage battery 15.

After the bridge is constructed, the detection robot is manually erected at the fragile part (stress concentration area) of the bridge body, the whole device is installed, and the electric wire and the cooling medium water conveying pipe are laid. When the specified bridge body detection time is reached, the base station controls a central processing unit of the trolley to enable the trolley to move, and meanwhile, the central processing unit controls the brush roller to rotate, so that dust and impurities on the front concrete surface are cleaned; when the environment temperature is higher, the central processing unit controls a steering engine of the cooling system to rotate, the guide pipe is rotated to a proper angle position, and meanwhile, the pump starts to spray cooling medium in the storage tank out of the high-pressure spray head through the soft guide pipe and laterally sprays the cooling medium onto the surface of the bridge body to be measured in front of the front trolley, so that the surface is rapidly cooled; at the moment, the wall cracks are regarded as a black body, based on the black body radiation principle, the heat radiated by the cracks is different from the cooled wall surface, when the red detector detects, the related data of the cracks can be quickly detected by adopting the mode, and the crack detection speed and the accuracy of the width size of the crack detection speed are improved. When the ambient temperature is lower, the central processing unit controls the steering gear of the cooling system to drive the supporting rod to rotate to a proper angle, and simultaneously controls the steering gear to rotate, so that hot air is sprayed onto the wall body in the front, and the thermal imaging processor can quickly detect the relevant size of the crack according to the black body radiation principle.

The appearance of the crack is transmitted to a host of a base station through a wireless transmission module of the robot, so that the aim of visual flaw detection is fulfilled; and the bridge detection APP in the host and the damage database are used for comparison, analysis and study and judgment, so that comprehensive coping means such as bridge safety and even alarm are obtained.

The installation process of the detection vehicle comprises the following steps: after the synchronous railcar mechanism is installed, driving wheels, driven wheels and slings on two sides of the detection trolley are fixedly arranged, then four clamping rings on the side frames are opened, the bilateral slings are placed into the clamping rings, and then the clamping rings are automatically closed by the internal springs.

Taking down the process: the clamping ring is opened firstly, the sling is taken out of the clamping ring, and then the whole trolley is taken down and recovered.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A hoist cable type crack detecting robot, characterized by comprising:

a sling;

2. The sling type crack detecting robot according to claim 1, wherein a main shaft of the driving wheel is provided with a stepping motor with two output shafts, and the driving wheel and the fixed wheel are provided with baffles at two sides of a hub.

3. The sling type crack detecting robot according to claim 1, wherein the driving wheel is disposed at a middle portion of the detecting vehicle, and the fixing wheels are disposed at front and rear ends of the detecting vehicle.

4. The sling type crack detecting robot according to claim 1, wherein the fixed wheels are fixed to side frames at both sides of the probe car by pins.

5. The sling type crack detection robot as recited in claim 1, wherein the temperature varying device comprises a high pressure nozzle, a first steering engine, a delivery pipe, a pump and a storage tank, the high pressure nozzle is arranged on the first steering engine, one end of the delivery pipe is connected to the high pressure nozzle, and the other end of the delivery pipe is connected to the storage tank through the pump.

6. The sling type crack detection robot as recited in claim 1, wherein the temperature varying device comprises a hot air nozzle, an air duct, a second steering engine and a blower, the hot air nozzle is arranged on the second steering engine, one end of the air duct is connected to the hot air nozzle, and the other end of the air duct is connected to the blower.

7. The sling-type crack detecting robot according to claim 1, wherein both ends of the sling are connected to a synchronous railcar, and the sling is disposed between the two rails by the synchronous railcar.

8. The sling-type crack detection robot of claim 1, wherein the control module comprises a central processor, a wireless transmission module, and a stepper motor driver.

9. The sling type crack detecting robot according to claim 1, wherein a solar panel is provided on the top of the detecting vehicle, and the solar panel is connected to a storage battery.

10. The sling type crack detecting robot according to claim 1, wherein a bottom plate of the detecting vehicle is provided with honeycomb-shaped heat dissipation holes.