CN115128164B - Wall-climbing flaw detection device for detection of cooling tower - Google Patents
Wall-climbing flaw detection device for detection of cooling tower Download PDFInfo
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- CN115128164B CN115128164B CN202211047692.6A CN202211047692A CN115128164B CN 115128164 B CN115128164 B CN 115128164B CN 202211047692 A CN202211047692 A CN 202211047692A CN 115128164 B CN115128164 B CN 115128164B
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- cooling tower
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/024—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members specially adapted for moving on inclined or vertical surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to the technical field of cooling tower detection, in particular to a wall-climbing flaw detection device for cooling tower detection, which comprises an air bag frame, a detection platform, a flaw detection detector and a lifting power mechanism, wherein the top surface of the air bag frame is fixedly connected with a top platform for installing the lifting power mechanism, two ends of the bottom surface of the detection platform are fixedly provided with multi-shaft crawling wheel assemblies, the surface of the detection platform is provided with a mobile power supply, an inflation assembly and a holder protection frame, the flaw detection detector is rotatably arranged on the inner side of the holder protection frame, and the air outlet end of the inflation assembly is communicated with the inner cavity of the air bag frame. According to the invention, an inflatable climbing machine body structure is adopted, an air bag frame is inflated to expand to form an arched vehicle body, the detection platform, the flaw detection detector and the inner wall of the cooling tower are abutted and connected under the driving of the lifting power mechanism, so that the multi-shaft crawling wheel assembly and the flaw detection detector are always attached and abutted to the inner wall of the cooling tower to realize crawling motion and close-range ultrasonic flaw detection, and the working stability of the whole wall climbing flaw detection device is ensured.
Description
Technical Field
The invention relates to the technical field of cooling tower detection, in particular to a wall-climbing flaw detection device for cooling tower detection.
Background
Large-scale chimney or nuclear cooling tower device are petrochemical industry, the common device in fields such as nuclear industry, in order to guarantee that they pull out the fire and pull out the cigarette, improve the utility of combustion conditions, their maintenance and detection have also become the important component part of enterprise's daily work, and detection and maintenance to chimney or nuclear cooling tower inner wall are limited to the manual work only today, this work is dangerous not only and the engineering volume is big, waste time and energy, climb detection and maintenance that the wall device can the wide application in above-mentioned situation, replace manual work, reduce the operating cost, improve work efficiency, detect still to belong to blank about realizing the intelligent outer wall of chimney and nuclear cooling tower in the existing market, mainly promote the cooperation manual detection operation through the hanging flower basket.
Due to the special structure of the cooling tower, the height is generally high, the height of a large cooling tower is generally about 150m, and the highest cooling tower in the world is 210m at present. If the top of the cooling tower needs to be overhauled, only the overhauling crawling ladder on the wall of the tower cylinder is used. The hyperbolic cooling tower belongs to a special structure, and is greatly different from a common industrial building. The hyperbola cooling tower is thin-walled structure, and structural style throat diameter is minimum, and from the bottom to the throat, tower section of thick bamboo diameter crescent, from throat to top, tower section of thick bamboo diameter reduces gradually, and section of thick bamboo wall is the overhang form more than the throat. In the lifting movement of the hanging basket, the hanging basket can only execute the movement in the vertical direction, so that the movement cannot be attached to the inner wall of the cooling tower, the manual operation on the hanging basket is separated from the surface of the inner wall, the flaw detection is difficult to be rapidly carried out, the detection dead angle is more, the flexibility of the manual operation mode is lower, and the detection period is long.
In view of this, the present invention provides a wall-climbing flaw detection device for detecting a cooling tower, which is improved in view of the conventional problems, so as to solve the problem that no professional detection equipment is available due to low detection efficiency, and the purpose of solving the problem and improving the practical value is achieved by the technology.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows: a wall-climbing flaw detection device for detecting a cooling tower comprises: the detection device comprises an air bag frame, a detection platform, a flaw detection detector and a lifting power mechanism, wherein the top surface of the air bag frame is fixedly connected with a top platform for mounting the lifting power mechanism, two ends of the bottom surface of the detection platform are fixedly provided with multi-shaft crawling wheel assemblies, the surface of the detection platform is provided with a mobile power supply, an inflation assembly and a holder protection frame, the flaw detection detector is rotatably mounted on the inner side of the holder protection frame, the air outlet end of the inflation assembly is communicated with the inner cavity of the air bag frame, the surface of the lifting power mechanism is provided with a cable, and the other end of the cable is fixedly connected with a traction hook lug;
the gasbag frame includes the master disc and supports the leg, support the quantity of supporting the leg for four and one end all with the fixed surface of master disc be connected, adjacent support and be equipped with the intercommunication purlin pipe between the leg, the master disc, support the leg and communicate the purlin pipe and be the integrated into one piece structure, the bottom surface fixedly connected with tractive tension rope of master disc, the other end of tractive tension rope is connected and the tie point is close to the bottom that supports the leg with the surface that supports the leg is connected.
The present invention in a preferred example may be further configured to: the top surface of master plate and the bottom that supports the leg are equipped with top platform and detain the ear and the foot platform is detained the ear respectively, top platform is detained the ear and is the rivet form with the foot platform is detained the ear, the card hole with top platform knot ear and foot platform knot ear looks adaptation is seted up respectively on top platform and testing platform's surface.
The present invention in a preferred example may be further configured to: the main disc, the supporting legs and the communicating truss pipes are rubber members, and the top platform and the detection platform are polyethylene or aluminum alloy members.
The invention in a preferred example may be further configured to: the inflation assembly is of a high-pressure air pump structure, and a power supply end of the inflation assembly is electrically connected with an output end of the mobile power supply.
The present invention in a preferred example may be further configured to: the inflation assembly is one of a helium storage tank or a hydrogen storage tank, a control valve is fixedly mounted on the surface of the inflation assembly, and the other end of the control valve is communicated with the inner cavity of the air bag frame.
The present invention in a preferred example may be further configured to: the multi-shaft crawling wheel assembly comprises a first deflection steering engine, a first connecting rod, a second deflection steering engine and a driving wheel, the first deflection steering engine and the second deflection steering engine are fixedly mounted on the bottom surface of the detection platform and one end of the second connecting rod respectively, the output ends of the first deflection steering engine and the second deflection steering engine are connected with two ends of the first connecting rod respectively, the driving wheel is fixedly mounted at the other end of the second connecting rod, and the second connecting rod comprises an outer rotor motor and a wheel sleeve located on the outer side of the outer rotor motor.
The present invention in a preferred example may be further configured to: the flaw detection device is of an ultrasonic detector structure, a steering engine is embedded in the inner side of the holder, and the side face of the flaw detection device is fixedly connected with the output end of the steering engine.
The present invention in a preferred example may be further configured to: promote power unit and include hydraulic drive cylinder, hydraulic motor and spool, the output of hydraulic drive cylinder communicates with hydraulic motor's feed liquor end, spool fixed mounting is in hydraulic motor's output, the one end winding of traction hook ear is fixed in hydraulic motor's surface.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, by adopting an inflatable climbing machine body structure, an air bag frame is inflated to expand to form an arched vehicle body, the detection platform, the flaw detection detector and the inner wall of the cooling tower are butted and lifted under the driving of the lifting power mechanism, so that the multi-shaft crawling wheel assembly and the flaw detection detector are always attached and butted with the inner wall of the cooling tower to realize crawling motion and short-distance ultrasonic flaw detection, and the working stability of the whole wall climbing flaw detection device is ensured.
2. According to the invention, the detection platform and the flaw detection detector are always attached to the inner wall of the cooling tower through inflation and expansion of the main disc and the supporting legs, so that the cooling tower is suitable for cooling tower bodies with various sizes and shapes, the abutting effect of various arc-shaped surfaces of the cooling tower body is ensured, the relative distance between the flaw detection detector and the inner wall of the tower body is kept consistent, and the flaw detection is more accurate.
3. According to the invention, by adopting a novel multi-shaft crawling wheel assembly structure, the inclination angle of the driving wheel is adjusted by the deflection of the first deflection steering engine and the second deflection steering engine, so that the driving wheel can transversely or obliquely move on the inner wall of the cooling tower to drive the detection platform and the air bag frame to integrally rotate or spirally ascend along the inner wall of the cooling tower, the movement flexibility of the flaw detection detector is improved, the accurate flaw detection of each point of the cooling tower body is realized, and the detection dead angle is avoided.
Drawings
FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural view of an airbag frame according to an embodiment of the present invention;
FIG. 3 is a schematic plan view of an airbag frame of one embodiment of the present invention;
FIG. 4 is a schematic diagram of an exemplary inspection platform;
FIG. 5 is a schematic view of a surface structure of a detection platform according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a lifting power mechanism according to an embodiment of the present invention;
fig. 7 is a schematic view of a multi-axis creeper wheel assembly configuration in accordance with an embodiment of the present invention.
Reference numerals are as follows:
100. an air bag frame; 110. a master disk; 120. supporting the legs; 130. pulling the tension rope; 111. a top platform buckle lug; 121. a footstool fastening lug; 122. the truss pipes are communicated;
200. detecting a platform; 210. a multi-axis creeping wheel assembly; 220. a mobile power supply; 230. an inflation assembly; 240. a holder is protected; 211. a first deflection steering engine; 212. a first link; 213. a second link; 214. a second deflection steering engine; 215. a drive wheel;
300. a flaw detection detector;
400. a power mechanism is lifted; 410. a cable; 420. a traction hook ear; 401. a hydraulic drive cylinder; 402. a hydraulic motor; 403. a reel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
The following describes a wall climbing flaw detection device for detecting a cooling tower according to some embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 7, a wall-climbing flaw detection apparatus for detecting a cooling tower according to the present invention includes: the inspection device comprises an air bag frame 100, a detection platform 200, a flaw detection detector 300 and a lifting power mechanism 400, wherein the top surface of the air bag frame 100 is fixedly connected with a top platform for mounting the lifting power mechanism 400, two ends of the bottom surface of the detection platform 200 are fixedly provided with multi-shaft crawling wheel assemblies 210, the surface of the detection platform 200 is provided with a mobile power supply 220, an inflation assembly 230 and a holder 240, the flaw detection detector 300 is rotatably mounted on the inner side of the holder 240, the air outlet end of the inflation assembly 230 is communicated with the inner cavity of the air bag frame 100, the surface of the lifting power mechanism 400 is provided with a cable 410, and the other end of the cable 410 is fixedly connected with a traction hook lug 420; the airbag frame 100 comprises a main disc 110 and supporting legs 120, the number of the supporting legs 120 is four, one end of each supporting leg 120 is fixedly connected with the surface of the main disc 110, a communicating truss pipe 122 is arranged between every two adjacent supporting legs 120, the main disc 110, the supporting legs 120 and the communicating truss pipes 122 are of an integrally formed structure, the bottom surface of the main disc 110 is fixedly connected with a traction tension rope 130, the other end of the traction tension rope 130 is connected with the surface of the supporting legs 120, and the connecting point is close to the bottom ends of the supporting legs 120.
In this embodiment, the top surface of the main plate 110 and the bottom end of the supporting leg 120 are respectively provided with a top platform fastening lug 111 and a foot platform fastening lug 121, the top platform fastening lug 111 and the foot platform fastening lug 121 are in a rivet shape, and the surfaces of the top platform and the detection platform 200 are respectively provided with a fastening hole matched with the top platform fastening lug 111 and the foot platform fastening lug 121.
Specifically, the modularized installation of the crawling device is realized through the surface clamping hole connection of the top platform buckling lug 111 and the foot platform buckling lug 121 with the top platform and the detection platform 200, the crawling device is convenient to disassemble, assemble and use, the inflatable structure matched with the air bag frame 100 is convenient to store, and the use experience of the crawling device is improved.
In this embodiment, the main tray 110, the support legs 120 and the connecting truss tubes 122 are made of rubber, and the top platform and the testing platform 200 are made of polyethylene or aluminum alloy.
Specifically, the rubber airbag type vehicle body structure is matched with the low-quality top platform and the detection platform 200 to serve as a vehicle body main body, the airbag frame 100 is inflated to form an arched vehicle body, the detection platform 200, the flaw detection detector 300 and the inner wall of the cooling tower are abutted, and are lifted under the driving of the lifting power mechanism 400, so that the multi-shaft crawling wheel assembly 210 and the flaw detection detector 300 are always abutted with the inner wall of the cooling tower in a fit manner, and crawling motion and close-range ultrasonic flaw detection are achieved.
In this embodiment, the inflation assembly 230 is a high pressure air pump structure, and a power end of the inflation assembly 230 is electrically connected to an output end of the mobile power supply 220.
Specifically, the airbag frame 100 is inflated directly by the inflator 230 to automatically expand the airbag frame 100, and the inspection platform 200 and the flaw detector 300 are brought into contact with the inner wall of the cooling tower.
In another embodiment, the inflation assembly 230 is one of a helium storage tank or a hydrogen storage tank, a control valve is fixedly mounted on the surface of the inflation assembly 230, and the other end of the control valve is communicated with the inner cavity of the airbag frame 100.
Specifically, when the device is used, the pressure storage tank with a large amount of low-density gas can be replaced, high-pressure gas in the inflation assembly 230 is released into the airbag frame 100 directly through opening of the control valve to fill the airbag frame 100, and the buoyancy of the low-density helium gas is utilized to provide a certain lifting effect for the whole device, so that the load weight of the power mechanism 400 can be reduced, or the flaw detection operation can be performed without lifting the power mechanism 400.
In this embodiment, the multi-axis crawling wheel assembly 210 includes a first deflection steering engine 211, a first connecting rod 212, a second connecting rod 213, a second deflection steering engine 214 and a driving wheel 215, the first deflection steering engine 211 and the second deflection steering engine 214 are respectively and fixedly installed on the bottom surface of the detection platform 200 and one end of the second connecting rod 213, output ends of the first deflection steering engine 211 and the second deflection steering engine 214 are respectively connected with two ends of the first connecting rod 212, the driving wheel 215 is fixedly installed on the other end of the second connecting rod 213, and the second connecting rod 213 includes an outer rotor motor and a wheel sleeve located outside the outer rotor motor.
Specifically, the inclination angle of the driving wheel 215 is changed through the deflection driving of the first deflection steering engine 211 and the second deflection steering engine 214, so that the surface of the driving wheel 215 is transversely abutted or obliquely abutted against the inner wall of the cooling tower, the detection platform 200 and the air bag frame 100 are driven to integrally rotate or spirally ascend along the inner wall of the cooling tower, the movement flexibility of the flaw detection detector 300 is improved, and accurate flaw detection of each point position of the cooling tower body is realized.
In this embodiment, the flaw detection detector 300 is an ultrasonic detector structure, a steering engine is embedded in the inner side of the holder 240, and the side surface of the flaw detection detector 300 is fixedly connected with the output end of the steering engine.
Specifically, the steering engine is used for adjusting the angle deflection of the flaw detection detector 300 so as to adapt to the hyperbolic curve inner wall structure of the cooling tower to adjust the deflection, and the detection end of the flaw detection detector 300 is always kept parallel to the inner wall of the cooling tower, so that the accuracy of an ultrasonic detection result is ensured.
In this embodiment, the lifting power mechanism 400 includes a hydraulic cylinder 401, a hydraulic motor 402, and a reel 403, wherein an output end of the hydraulic cylinder 401 is connected to an input end of the hydraulic motor 402, the reel 403 is fixedly installed at the output end of the hydraulic motor 402, and one end of the traction hook 420 is wound around and fixed on a surface of the hydraulic motor 402.
Specifically, a hydraulic driving cylinder 401 and a hydraulic motor 402 are used for carrying out hydraulic driving rolling to improve rolling driving torque, so that large-mass objects are lifted, and stable lifting and descending movement of the whole device are guaranteed.
The working principle and the using process of the invention are as follows:
when the wall-climbing flaw detection device for the cooling tower detection is used, one end of a traction hook lug 420 is fixed at the top end of the cooling tower, an air bag frame 100 is inflated by an inflation assembly 230, a main disc 110 and a support leg 120 are expanded to be combined into an arch-shaped climbing under the traction of a traction tension rope 130, a driving wheel 215 on the surface of a detection platform 200 is abutted to the inner wall of the cooling tower by a vehicle body, a hydraulic motor 402 is driven to rotate by a hydraulic driving cylinder 401 under the control of a controller, a cable 410 is wound by a scroll 403 to lift the whole device, the detection platform 200 and a flaw detection detector 300 climb upwards along the inner wall of the cooling tower, the detection platform 200 and the flaw detection detector 300 are always attached to the inner wall of the cooling tower by the support of a flexible support leg 120 in the climbing process, the cooling tower is suitable for cooling towers with various sizes and shapes, the abutting effect of various arc-shaped surfaces of the cooling tower is ensured, the relative distance between the flaw detection detector 300 and the inner wall of the tower is kept consistent, and the flaw detection is more accurate;
the inclination angle of the driving wheel 215 is changed by the deflection driving of the first deflection steering engine 211 and the second deflection steering engine 214 during detection, so that the surface of the driving wheel 215 is transversely abutted or obliquely abutted against the inner wall of the cooling tower, the driving wheel 215 rotates in the transverse abutment to enable the whole device to perform autorotation motion along the inner wall of the cooling tower, the flaw detection detector 300 is enabled to perform annular scanning detection, when the driving wheel 215 is obliquely abutted against the inner wall of the tower body, the winding and unwinding motion of the power mechanism 400 can be matched to realize spiral ascending or descending motion of the whole device, the motion flexibility of the flaw detection detector 300 is improved, accurate flaw detection of each point position of the cooling tower body is realized, and detection dead angles are avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (7)
1. The utility model provides a cooling tower detects with climbing wall device of detecting a flaw which characterized in that includes: the inspection device comprises an air bag frame (100), a detection platform (200), an inspection detector (300) and a lifting power mechanism (400), wherein the top surface of the air bag frame (100) is fixedly connected with a top platform for installing the lifting power mechanism (400), two ends of the bottom surface of the detection platform (200) are fixedly provided with multi-shaft crawling wheel assemblies (210), the surface of the detection platform (200) is provided with a mobile power supply (220), an inflation assembly (230) and a holder protection frame (240), the inspection detector (300) is rotatably installed on the inner side of the holder protection frame (240), the air outlet end of the inflation assembly (230) is communicated with an inner cavity of the air bag frame (100), the surface of the lifting power mechanism (400) is provided with a cable (410), and the other end of the cable (410) is fixedly connected with a traction hook lug (420);
the air bag frame (100) comprises a main disc (110) and supporting legs (120), the number of the supporting legs (120) is four, one end of each supporting leg (120) is fixedly connected with the surface of the main disc (110), a communicating truss pipe (122) is arranged between every two adjacent supporting legs (120), the main disc (110), the supporting legs (120) and the communicating truss pipes (122) are of an integrally formed structure, a drawing tension rope (130) is fixedly connected to the bottom surface of the main disc (110), the other end of the drawing tension rope (130) is connected with the surface of the supporting legs (120), and the connecting point of the drawing tension rope is close to the bottom ends of the supporting legs (120);
the multi-shaft crawling wheel assembly (210) comprises a first deflection steering engine (211), a first connecting rod (212), a second connecting rod (213), a second deflection steering engine (214) and a driving wheel (215), wherein the first deflection steering engine (211) and the second deflection steering engine (214) are fixedly installed on the bottom surface of the detection platform (200) and one end of the second connecting rod (213) respectively, the output ends of the first deflection steering engine (211) and the second deflection steering engine (214) are connected with the two ends of the first connecting rod (212) respectively, the driving wheel (215) is fixedly installed at the other end of the second connecting rod (213), and the second connecting rod (213) comprises an outer rotor motor and a wheel sleeve located outside the outer rotor motor.
2. The wall-climbing flaw detection device for the cooling tower detection according to claim 1, wherein a top platform buckling lug (111) and a foot platform buckling lug (121) are respectively arranged on the top surface of the main plate (110) and the bottom end of the supporting leg (120), the top platform buckling lug (111) and the foot platform buckling lug (121) are in a rivet shape, and clamping holes matched with the top platform buckling lug (111) and the foot platform buckling lug (121) are respectively formed in the surfaces of the top platform and the detection platform (200).
3. The wall-climbing flaw detection device for the cooling tower detection according to claim 1, wherein the main plate (110), the support legs (120) and the communication truss pipes (122) are rubber members, and the top platform and the detection platform (200) are polyethylene or aluminum alloy members.
4. The climbing wall inspection device for the cooling tower inspection according to claim 1, wherein the air inflation assembly (230) is a high-pressure air pump structure, and a power supply end of the air inflation assembly (230) is electrically connected with an output end of the mobile power supply (220).
5. The climbing wall flaw detection device for the cooling tower detection according to claim 1, wherein the inflation assembly (230) is one of a helium storage tank or a hydrogen storage tank, a control valve is fixedly mounted on the surface of the inflation assembly (230), and the other end of the control valve is communicated with the inner cavity of the airbag frame (100).
6. The wall-climbing flaw detection device for the detection of the cooling tower according to claim 1, wherein the flaw detection detector (300) is of an ultrasonic detector structure, a steering engine is embedded in the inner side of the holder protection frame (240), and the side surface of the flaw detection detector (300) is fixedly connected with the output end of the steering engine.
7. The climbing wall flaw detection device for the cooling tower detection according to claim 1, wherein the lifting power mechanism (400) comprises a hydraulic driving cylinder (401), a hydraulic motor (402) and a reel (403), an output end of the hydraulic driving cylinder (401) is communicated with a liquid inlet end of the hydraulic motor (402), the reel (403) is fixedly installed at an output end of the hydraulic motor (402), and one end of the traction hook lug (420) is wound and fixed on the surface of the hydraulic motor (402).
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| CN202211047692.6A CN115128164B (en) | 2022-08-30 | 2022-08-30 | Wall-climbing flaw detection device for detection of cooling tower |
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| CN202211047692.6A CN115128164B (en) | 2022-08-30 | 2022-08-30 | Wall-climbing flaw detection device for detection of cooling tower |
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| CN115128164B true CN115128164B (en) | 2022-11-11 |
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