CN114216965B - Ultrasonic detection pretreatment method for crane - Google Patents
Ultrasonic detection pretreatment method for crane Download PDFInfo
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- CN114216965B CN114216965B CN202111536679.2A CN202111536679A CN114216965B CN 114216965 B CN114216965 B CN 114216965B CN 202111536679 A CN202111536679 A CN 202111536679A CN 114216965 B CN114216965 B CN 114216965B
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000002203 pretreatment Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 100
- 239000010959 steel Substances 0.000 claims abstract description 100
- 238000004140 cleaning Methods 0.000 claims abstract description 91
- 238000009659 non-destructive testing Methods 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000012360 testing method Methods 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 238000013016 damping Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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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
- G01N29/225—Supports, positioning or alignment in moving situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A crane ultrasonic detection pretreatment method uses a crane ultrasonic detection auxiliary device which is arranged in front of a nondestructive detection vehicle and is used for cleaning a steel rail of a crane cart, and comprises the following steps: the device comprises a clamping arm shell, a transverse clamping arm, a brush body assembly and an adjusting device; aligning the ultrasonic detection auxiliary device with the steel rail to ensure that the two brush body assemblies are distributed on the left side and the right side of the steel rail; the adjusting device acts to adjust the space between the two transverse moving clamping arms, namely the space between the two brush body assemblies, so as to clamp the steel rail; step 2, walking along the steel rail and cleaning the steel rail: the ultrasonic auxiliary device moves along with the nondestructive testing vehicle, and the brush body assembly cleans the steel rail.
Description
Technical Field
The application relates to the technical field of nondestructive testing of cranes, in particular to an ultrasonic testing pretreatment method for cranes.
Background
With the development of economy in China and the increase of international trade, the hoisting industry is also vigorous. The large-scale hoisting machinery equipment is an important material foundation for realizing construction mechanization, is indispensable equipment in modern construction, and lifts or lifts objects and moves the objects within a limited range in an intermittent working mode. The transmission chain of the crane comprises a motor, a reducer, a steel cable, a steel rail and the like.
Rail testing for crane trucks is a typical application for non-destructive testing. The prior art is developed to detect the steel rail and find the damage such as cracks, defects and the like by walking on the steel rail through a hand-push type steel rail detection vehicle. The patent publication No. CN202110443399.0 discloses an ultrasonic device for nondestructive testing of a steel rail, which is a hand-push type nondestructive testing vehicle. However, in actual operation, the crane cart steel rail is usually directly laid on the ground due to the severe operating environment. Leading to the surface of the rail becoming full of dust and oxide scale. The detection result is seriously influenced.
It is therefore necessary to design a device for cleaning the surface of the rail. In the prior art, a roller brush is mostly directly used for cleaning. However, it has the following problems: 1. the shape of the roller brush is difficult to be completely matched with the shape of the steel rail, the cylindrical roller brush can only clean one plane generally, and the steel rail with the I-shaped section is difficult to be cleaned in all directions; 2. and a power supply and a motor are additionally assembled to be used as a power device, so that the manufacturing cost is high and the structure is complex. The device is designed in the scheme, the appearance of the steel rail can be perfectly matched, and all-round thorough cleaning is realized; and the rail is cleaned automatically by skillfully taking the relative movement of the nondestructive testing vehicle relative to the rail as a power source.
Disclosure of Invention
A pretreatment method for ultrasonic detection of a crane,
use a hoist ultrasonic testing auxiliary device, set up in nondestructive test car the place ahead for clear up the rail of crane cart, include:
the clamping arm shell is fixed in front of the nondestructive testing vehicle;
the left side and the right side of the clamping arm shell are respectively provided with one transverse clamping arm in a sliding manner;
two brush body assemblies are arranged, and each transverse clamping arm is respectively provided with one brush body assembly;
the adjusting device is arranged in the clamping arm shell and used for adjusting the distance between the two transverse clamping arms;
aligning the ultrasonic detection auxiliary device with the steel rail to ensure that the two brush body assemblies are distributed on the left side and the right side of the steel rail;
the adjusting device acts to adjust the space between the two transverse moving clamping arms, namely the space between the two brush body assemblies, so as to clamp the steel rail;
the ultrasonic detection auxiliary device travels along with the nondestructive testing vehicle, and the brush body assembly cleans the steel rail.
As a further technical scheme:
the arm lock casing includes:
the hollow longitudinal cylinder is arranged along the longitudinal direction, and the inner wall of the hollow longitudinal cylinder is respectively provided with an upper convex ring and a middle convex ring from top to bottom;
the left side and the right side of the lower end of the hollow longitudinal cylinder are respectively provided with a transverse sliding cylinder, the joint of each transverse sliding cylinder and the hollow longitudinal cylinder is also provided with a lower limiting hole, and the lower end of each transverse sliding cylinder is also provided with a transverse sliding hole;
the adjusting device comprises:
the driving bevel wheel assembly comprises a driving disc which is rotatably arranged between an upper convex ring and a middle convex ring, a driving bevel gear which is arranged below the driving disc, an axial slideway which is formed at the upper end of the driving disc, edge jacks which are circumferentially and uniformly distributed at the outer edge of the upper end surface of the axial slideway, and a middle round hole which is arranged at the middle part of the upper end of the axial slideway;
the torsion bar assembly comprises an axial slide block, lower locking rods and a torsion bar body, wherein the axial slide block is slidably inserted into the axial slide way, the lower locking rods are circumferentially and uniformly distributed on the upper end face of the axial slide block and are in one-to-one insertion correspondence with the side jacks, the torsion bar body is arranged at the upper end of the axial slide block and penetrates through the middle round hole, the upper end of the torsion bar body penetrates through the upper end face of the hollow longitudinal cylinder, a spring baffle disc is further arranged at the upper end of the torsion bar body, and a compression spring is further wound on the part, located between the spring baffle disc and the hollow longitudinal cylinder, of the outer wall of the torsion bar body;
the sideslip arm lock includes:
the screw rod assembly comprises a screw rod body which is rotatably arranged in the transverse sliding barrel, a limiting ring groove which is formed on the outer wall of the screw rod body and is in rotating fit with the corresponding lower limiting hole, and a driven bevel gear which is formed at one end of the screw rod body, which is close to the hollow longitudinal barrel;
the nut assembly comprises a nut body which is arranged in the transverse sliding cylinder in a sliding way and is meshed with the corresponding screw rod body, a lower connecting block which is formed below the nut body and penetrates through the transverse sliding hole, and a clamping arm body which is arranged below the lower connecting block;
the brush body assembly includes:
the brush body shell is fixedly connected with the clamping arm body, and a brush roll side window is arranged on one side, close to the steel rail, of the brush body shell;
the upper end and the lower end of the friction roller are respectively formed with a friction roller shaft penetrating through the brush body shell, and each friction roller shaft is also provided with a friction bevel gear;
the upper end and the lower end of the main cleaning roller are respectively formed with a cleaning roller shaft penetrating through the shell of the brush body, and each cleaning roller shaft is also provided with a cleaning bevel gear;
the brush body shell is provided with two side gear shafts, the upper end and the lower end of the brush body shell are respectively provided with one gear shaft body, the front end and the rear end of each gear shaft body are connected with the brush body shell through connecting longitudinal rods, the gear shaft bodies are sequentially provided with a front annular groove, a middle annular groove and a rear annular groove from front to rear, and stop lugs are arranged in the rear annular groove;
the first transmission assembly is in one-to-one correspondence with the edge-mounted gear shafts and comprises a transmission sleeve which is rotatably sleeved on the corresponding gear shaft body, a first convex ring which is formed on the inner wall of the transmission sleeve and is in rotatable fit with the front annular groove, a first front bevel gear which is formed at the front end of the transmission sleeve and is meshed with the friction bevel gear, and a first rear bevel gear which is formed at the rear end of the transmission sleeve and is meshed with the cleaning bevel gear;
the second transmission assembly is in one-to-one correspondence with the edge-mounted gear shafts and comprises a transmission sleeve ring which is rotatably sleeved on the corresponding gear shaft body, a second convex ring which is formed on the inner wall of the transmission sleeve ring and is in rotatable fit with the middle-mounted ring groove, a second front bevel gear which is formed at the front end of the transmission sleeve ring and is meshed with the cleaning bevel gear, and a second rear bevel gear which is formed at the rear end of the transmission sleeve ring;
the torsional brush body corresponds to the edge-mounted gear shafts one by one and comprises a brush body rotating shaft, a rotating shaft through hole which is arranged on the brush body rotating shaft and used for sleeving the gear shaft body, and a limiting lug which is arranged on the inner wall of the rotating shaft through hole and inserted into the rear annular groove, the torsional brush body also comprises an auxiliary cleaning roller which is rotatably arranged on the brush body rotating shaft, a movable bevel gear which is formed at the lower end of the auxiliary cleaning roller and is meshed with the second rear bevel gear, and a torsional spring which is wound at the rear end of the gear shaft body;
based on the specific embodiment of the ultrasonic detection auxiliary device, the step 1 specifically includes the following steps:
step 1.1, pressing in a steel rail:
placing the nondestructive testing vehicle on the steel rail, aligning the ultrasonic testing auxiliary device with the steel rail, and then pressing down the ultrasonic testing auxiliary device to enable the two brush body assemblies to preliminarily surround the steel rail, wherein the brush body shells are flush with the rail web of the steel rail;
step 1.2, tightly attaching the steel rail:
step 1.2.1, rotating a driving cone wheel component;
step 1.2.2, attaching a brush body shell to a steel rail:
the driving cone wheel component drives the left and right transverse clamping arms to synchronously move:
the driving bevel gear drives the driven bevel gear, the limiting ring groove and the screw rod body to rotate, and the screw rod body drives the corresponding nut body, the lower connecting block and the clamping arm body to transversely move;
the clamping arm bodies of the left and right transverse clamping arms move close to each other to drive the brush body assemblies on the left and right sides to move close to each other;
the brush body shell, the friction roller and the main cleaning roller are tightly attached to the rail web;
step 1.2.3, the torsion brush body is attached to the steel rail:
the torsion brush body positioned above is extruded by the rail top, and the rotating shaft of the brush body overcomes the torsion of the torsion spring to deflect towards the direction deviating from the steel rail and always keeps attached to the lower inclined plane of the rail top;
the torsion brush body positioned below is extruded by the rail bottom, and the rotating shaft of the brush body overcomes the torsion of the torsion spring to deflect towards the direction deviating from the steel rail and is always attached to the upper inclined plane of the rail bottom.
Further, the step 2 specifically includes the following steps:
step 2.1, rotating the friction roller:
pushing the nondestructive testing vehicle to drive the ultrasonic testing auxiliary device to move forwards along the steel rail;
the friction roller rotationally walks on the rail web of the steel rail;
step 2.2, cleaning the rail web:
the friction bevel gear drives the first front bevel gear, the transmission sleeve and the first rear bevel gear to rotate;
the first rear bevel gear drives the cleaning bevel gear and the main cleaning roller to rotate, the main cleaning roller rotates in the direction opposite to that of the friction roller, and the rail waist is cleaned;
step 2.3, cleaning the rail top and the rail bottom:
the cleaning bevel gear drives the second front bevel gear, the transmission lantern ring and the second rear bevel gear to rotate;
the second rear bevel gear rotates to drive the movable bevel gear and the auxiliary cleaning roller to rotate;
the auxiliary cleaning roller rotates to clean the rail top or the rail bottom.
Step 1.2.1, the driving cone wheel assembly rotates, providing the following two embodiments:
embodiment one, fast turn:
the spring stop disc is pressed downwards to overcome the damping of the compression spring, and the lower locking rod is separated from the upper locking block;
the spring baffle disc, the torsion bar body, the axial slide block and the lower locking rod are quickly rotated;
the lower locking rod acts on the edge-mounted jack, and then drives the driving disc and the driving bevel gear to rotate.
Embodiment two, accurate rotation:
the adjusting device also comprises a precise adjusting device, the precise adjusting device comprises a driven worm wheel which is rotatably arranged on the hollow longitudinal cylinder and is positioned above the upper convex ring, a worm wheel round hole for accommodating the torsion bar body to penetrate through is formed in the middle of the driven worm wheel, upper locking blocks which are in one-to-one insertion connection and corresponding to the lower locking rods are uniformly distributed on the lower end surface of the driven worm wheel in the circumferential direction, the adjusting device also comprises a driving worm which transversely penetrates through the hollow longitudinal cylinder and is meshed with the driven worm wheel, and two ends of the driving worm are respectively provided with a hand-held handle;
under a normal state, the compression spring drives the spring baffle disc, the torsion bar body, the axial slide block and the lower locking rod to move upwards, and the lower locking rod is in contact locking with the upper locking block;
the handle is rotated, the driving worm drives the driven worm wheel and the upper locking block to rotate;
thereby driving the lower locking rod to rotate;
the lower locking rod acts on the edge-mounted jack, and then drives the driving disc and the driving bevel gear to rotate.
As a further embodiment, before step 1, there is further included step 3 of preconditioning the depression damping of the torsion bar assembly:
the adjusting device 2 further comprises a damping adjusting device, the damping adjusting device comprises an internal thread cylinder which is rotatably sleeved on the torsion bar body, a cylinder inner annular groove which is formed in the inner wall of the internal thread cylinder and is in running fit with the spring baffle disc, a middle longitudinal cavity which is longitudinally arranged on the upper half part of the torsion bar body, side longitudinal holes which are circumferentially and uniformly distributed on the periphery of the middle longitudinal cavity, a sliding longitudinal rod which is slidably arranged in the middle longitudinal cavity, thread insertion blocks which are circumferentially and uniformly distributed at the upper end of the sliding longitudinal rod and penetrate through the side longitudinal holes, radial insertion rods which are circumferentially and uniformly distributed at the lower end of the sliding longitudinal rod and penetrate through the side longitudinal holes, and a movable retainer ring which is slidably arranged on the outer wall of the torsion bar body and is connected with the radial insertion rods, and an external thread which is meshed with the internal thread cylinder is formed at the far end of the thread insertion blocks;
the method for pre-adjusting the down-pressure damping comprises the following steps:
rotating the internal thread cylinder;
the internal thread cylinder drives the thread insert block, the sliding longitudinal rod, the radial insert rod and the movable check ring to move longitudinally;
the movable retainer ring adjusts the compression degree and the elasticity of the compression spring under the normal state.
As a further embodiment:
the rotating shaft of the brush body and the limiting lug deflect towards the direction close to the steel rail under the torsion action of the torsion spring and abut against the stopping lug, and the torsion spring is in a vertical posture in the state.
Further:
an upper fixed brush used for cleaning the top end face of the rail is further arranged below the clamping arm shell.
And further:
the side of the clamping arm body is also provided with a side fixing brush for cleaning the side of the rail top.
Advantageous effects
The present case ultrasonic testing auxiliary device can realize the omnidirectional and closely cover at the bottom of the railhead, the web of a rail, the rail of I shape cross-section, the clearance is effectual:
the main cleaning roller is tightly attached to the rail web, the upper fixed brush, the side fixed brush and the auxiliary cleaning roller located above are tightly attached to the rail top, the auxiliary cleaning roller located below is tightly attached to the rail bottom, and therefore the full coverage of the outer surface of the I-shaped steel rail is achieved.
Ultrasonic testing auxiliary device, utilize hand push nondestructive test car for the removal of rail, realize the walking of friction roller on the rail, and then drive and drive rotation such as main clearance roller, vice clearance roller, clear up the rail.
The advancing direction of the part, actually attached to the steel rail, of the main cleaning roller and the auxiliary cleaning roller and the advancing direction of the nondestructive testing vehicle are both moving forwards, namely the main cleaning roller and the auxiliary cleaning roller move forwards along with the nondestructive testing vehicle as a whole, and the part, close to the steel rail, of the main cleaning roller and the auxiliary cleaning roller rotates forwards relative to the steel rail through rotation of the main cleaning roller and the auxiliary cleaning roller, so that the rotating speed of the part, actually contacted with the steel rail, of the main cleaning roller and the auxiliary cleaning roller is improved, and the cleaning efficiency is increased.
The ultrasonic detection auxiliary device of present case, the torsion brush body can adapt to the rail top and the rail bottom at different inclinations to keep inseparable laminating:
when the torsion brush body moves along with the clamping arm body to the direction close to the steel rail, the torsion brush body is extruded by the rail top, so that the rotating shaft of the brush body deflects to the direction deviating from the steel rail by overcoming the torsion of the torsion spring and always keeps attached to the lower inclined plane of the rail top. For different types of steel rails, the inclination angles of the inclined planes of the rail top and the rail bottom are different, and the torsion brush body has good adaptability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of the ultrasonic testing auxiliary device and a nondestructive testing vehicle.
FIG. 2 is a side view of one embodiment of the ultrasonic testing aid.
Fig. 3 is a formal diagram of a first embodiment of the ultrasonic testing aid.
Fig. 4 is a formal diagram of a second embodiment of the ultrasonic testing aid.
Fig. 5 is a formal diagram of a third embodiment of the ultrasonic testing aid.
FIG. 6 is a partial cross-sectional view of one embodiment of the ultrasonic testing aid.
FIG. 7 is a partial cross-sectional view of another embodiment of the ultrasonic testing aid.
Fig. 8 is an enlarged schematic view of part B of fig. 7.
Fig. 9 is a cross-sectional view a-a of fig. 3 (the rail is not shown).
Figure 10 is a schematic view of one embodiment of the brush assembly.
Figure 11 is a cross-sectional view of one embodiment of a brush assembly.
Fig. 12 is an enlarged schematic view of the portion C in fig. 11.
Fig. 13 is a cross-sectional view D-D of fig. 11 (rail shown).
Icon:
m, a steel rail, m1. rail web, m2 rail top, m3 rail bottom, n nondestructive testing vehicle, p, upper fixed brush and q, side fixed brush;
1. the clamp arm comprises a clamp arm shell, 11 hollow longitudinal cylinders, 11a upper convex ring, 11b middle convex ring, 12 transverse sliding cylinders, 12a lower limiting hole and 12b transverse sliding holes;
2. an adjustment device;
21. the driving bevel wheel assembly comprises a driving disk 21a, a driving bevel gear 21b, an axial slideway 21c, an edge-arranged jack 21d and a middle-arranged round hole 21 e;
22. a torsion bar assembly, 22a, an axial slide block, 22b, a lower locking bar, 22c, a torsion bar body, 22d, a spring baffle disc and 22e, a compression spring;
23. a precision adjusting device 23a, a driven worm wheel 23b, an upper locking block 23b, a driving worm 23b and a hand-held handle 23 c;
24. the damping adjusting device comprises a damping adjusting device, a threaded cylinder 24a, a cylinder inner ring groove 24b, a middle longitudinal cavity 24c, a side longitudinal hole 24d, a sliding longitudinal rod 24e, a threaded insert block 24f, a radial insert rod 24g and a movable retainer ring 24 h;
3. transversely moving the clamping arm;
31. the lead screw assembly comprises a lead screw body 31a, a limiting ring groove 31b and a driven bevel gear 31 c;
32. the nut assembly is 32a, the nut body is 32b, the lower connecting block is 32c, and the clamping arm body is 32 c;
4. a brush body assembly, 41, a brush body shell, 41a, a brush roll side window, 42, a friction roller, 42a, a friction bevel gear, 43, a main cleaning roller, 43a, a cleaning bevel gear,
44. the gear shaft is arranged at the edge, 44a is a gear shaft body, 44b is a connecting longitudinal rod, 44c is a front annular groove, 44d is a middle annular groove, and 44e is a rear annular groove;
45. a first transmission assembly, 45a. a transmission sleeve, 45b. a first convex ring, 45c. a first front bevel gear, 45d. a first rear bevel gear;
46. a second drive assembly 46a. drive collar 46b. second male ring 46c. second front bevel gear 46d. second rear bevel gear;
47. the brush body is twisted, 47a is a brush body rotating shaft, 47b is a rotating shaft through hole, 47c is a limiting bump, 47d is an auxiliary cleaning roller, 47e is a movable bevel gear, and 47f is a torsion spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
A pretreatment method for ultrasonic detection of a crane,
use a hoist ultrasonic testing auxiliary device, set up in nondestructive test car n the place ahead for clear up the rail m of crane cart, include:
the clamping arm shell 1 is fixed in front of the nondestructive testing vehicle n;
two transverse clamping arms 3 are arranged, and the left side and the right side of the clamping arm shell 1 are respectively provided with one transverse clamping arm 3 in a sliding manner;
two brush body assemblies 4 are arranged, and each transverse clamping arm 3 is provided with one brush body assembly 4;
the adjusting device 2 is arranged in the clamping arm shell 1 and used for adjusting the distance between the two transverse clamping arms 3;
aligning the ultrasonic detection auxiliary device to the steel rail m to ensure that the two brush body assemblies 4 are distributed on the left side and the right side of the steel rail;
the adjusting device 2 acts to adjust the distance between the two transverse moving clamping arms 3, namely the distance between the two brush body assemblies 4, so as to clamp the steel rail m;
the ultrasonic detection auxiliary device travels along with the nondestructive testing vehicle n, and the brush body assembly 4 cleans the steel rail m.
As a further technical scheme:
the clamp arm housing 1 includes:
the hollow longitudinal cylinder 11 is arranged along the longitudinal direction, and the inner wall of the hollow longitudinal cylinder 11 is respectively provided with an upper convex ring 11a and a middle convex ring 11b from top to bottom;
the left side and the right side of the lower end of the hollow longitudinal cylinder 11 are respectively provided with a transverse sliding cylinder 12, the joint of each transverse sliding cylinder 12 and the hollow longitudinal cylinder 11 is also provided with a lower limiting hole 12a, and the lower end of each transverse sliding cylinder 12 is also formed with a transverse sliding hole 12 b;
the adjusting device 2 comprises:
the driving bevel wheel assembly 21 comprises a driving disc 21a which is rotatably arranged between the upper convex ring 11a and the middle convex ring 11b, a driving bevel gear 21b which is arranged below the driving disc 21a, an axial slideway 21c which is formed at the upper end of the driving disc 21a, edge jacks 21d which are uniformly distributed at the outer edge of the upper end surface of the axial slideway 21c in the circumferential direction, and a middle round hole 21e which is arranged at the middle part of the upper end of the axial slideway 21 c;
the torsion bar assembly 22 comprises an axial sliding block 22a which is slidably inserted into the axial slideway 21c, lower locking rods 22b which are circumferentially and uniformly distributed on the upper end surface of the axial sliding block 22a and are in one-to-one insertion correspondence with the side insertion holes 21d, and a torsion bar body 22c which is arranged on the upper end of the axial sliding block 22a and penetrates through the middle round hole 21e, wherein the upper end of the torsion bar body 22c penetrates through the upper end surface of the hollow longitudinal cylinder 11, a spring retaining disc 22d is further arranged on the upper end of the torsion bar body 22c, and a compression spring 22e is further wound on the part of the outer wall of the torsion bar body 22c, which is positioned between the spring retaining disc 22d and the hollow longitudinal cylinder 11;
the traverse clamping arm 3 comprises:
the screw rod assembly 31 comprises a screw rod body 31a which is rotatably arranged in the transverse sliding barrel 12, a limiting ring groove 31b which is formed on the outer wall of the screw rod body 31a and is in running fit with the corresponding lower limiting hole 12a, and a driven bevel gear 31c which is formed at one end of the screw rod body 31a close to the hollow vertical barrel 11;
the nut assembly 32 comprises a nut body 32a which is slidably arranged in the transverse sliding cylinder 12 and is engaged with the corresponding lead screw body 31a, a lower connecting block 32b which is formed below the nut body 32a and passes through the transverse sliding hole 12b, and a clamping arm body 32c which is arranged below the lower connecting block 32 b;
the brush body assembly 4 includes:
the brush body shell 41 is fixedly connected with the clamping arm body 32c, and one side, close to the steel rail m, of the brush body shell 41 is provided with a brush roller side window 41 a;
the friction roller 42 is rotatably arranged at the front half part in the brush roller side window 41a, the upper end and the lower end of the friction roller 42 are respectively provided with a friction roller shaft penetrating through the brush body shell 41, and each friction roller shaft is also provided with a friction bevel gear 42 a;
further:
the outer wall of the friction roller 42 is formed with an anti-skid layer made of anti-skid material.
Further, the anti-slip layer is made of rubber materials.
Thanks to the improved technical scheme, the friction roller 42 and the rail web m2 of the steel rail have enough friction force, so that when the device is pushed to move forwards, the friction roller 42 rotates on the rail web m2 to move without slipping;
the main cleaning roller 43 is rotatably arranged at the rear half part in the brush roll side window 41a, the upper end and the lower end of the main cleaning roller 43 are respectively provided with a cleaning roller shaft penetrating through the brush body shell 41, and each cleaning roller shaft is also provided with a cleaning bevel gear 43 a;
further:
the main cleaning roller 43 at least comprises a main roller body made of hard material and a cylindrical brush layer densely distributed on the main roller body for cleaning the steel rail m.
Still further, the outer diameter of the main roller body is smaller than that of the friction roller 42, and the outer diameter of the bristle layer is larger than that of the friction roller 42.
Thanks to the improved technical scheme, when the outer wall of the friction roller 42 is in close contact with the steel rail, the brush layer is in close contact with the steel rail to play a good cleaning effect, and the auxiliary roller body is not in contact with the steel rail so as to avoid interference with the close contact between the friction roller 42 and the steel rail;
the brush body shell 41 is provided with two side gear shafts 44, the upper end and the lower end of the brush body shell 41 are respectively provided with one gear shaft body 44a, the front end and the rear end of the gear shaft body 44a are connected with the brush body shell 41 through connecting longitudinal rods 44b, the gear shaft body 44a is sequentially provided with a front annular groove 44c, a middle annular groove 44d and a rear annular groove 44e from front to back, and a stopping lug 44f is arranged in the rear annular groove 44 e;
the first transmission assemblies 45 correspond to the edge-mounted gear shafts 44 one by one and comprise transmission sleeves 45a which are rotatably sleeved on the corresponding gear shaft bodies 44a, first convex rings 45b which are formed on the inner walls of the transmission sleeves 45a and are in rotatable fit with the front annular grooves 44c, first front bevel gears 45c which are formed at the front ends of the transmission sleeves 45a and are meshed with the friction bevel gears 42a, and first rear bevel gears 45d which are formed at the rear ends of the transmission sleeves 45a and are meshed with the cleaning bevel gears 43 a;
the second transmission assemblies 46 correspond to the side gear shafts 44 one by one and comprise transmission lantern rings 46a which are rotatably sleeved on the corresponding gear shaft bodies 44a, second convex rings 46b which are formed on the inner walls of the transmission lantern rings 46a and are in rotatable fit with the middle annular grooves 44d, second front bevel gears 46c which are formed at the front ends of the transmission lantern rings 46a and are meshed with the cleaning bevel gears 43a and second rear bevel gears 46d which are formed at the rear ends of the transmission lantern rings 46 a;
the torsional brush body 47, correspond to the side set gear shaft 44 one-to-one, including the body spindle 47a of the brush, set up in the body spindle 47a of the brush in order to set up the spindle through hole 47b of the body 44a of the gear shaft, set up in the through hole 47b inner wall of spindle and insert the spacing lug 47c in the postposition annular groove 44e, the body 47 of the said torsional brush also includes the rotatable one pair of cleaning drums 47d set up on the body spindle 47a of the brush, form in the inferior extremity of cleaning drum 47d of pair and with the second movable bevel gear 47e that 46d meshes, the torsion spring 47f of the back end of the body 44a of the said gear shaft of the winding connection;
further:
the auxiliary cleaning roller 47d of the twist brush body 47 at least comprises an auxiliary roller main body made of hard material and a cylindrical brush layer densely distributed on the auxiliary roller main body for cleaning the steel rail m.
Thanks to the improved technical scheme, the rail top m2 of the steel rail m can be cleaned in all directions.
Further:
the side gear shaft 44 is further provided with a protective cover which covers all the area except the rotation range of the torsion brush body 47, so that the first transmission assembly 45 and the second transmission assembly 46 are well protected;
based on the specific embodiment of the ultrasonic detection auxiliary device, the step 1 includes the following steps:
step 1.1, pressing in a steel rail m:
placing a nondestructive testing vehicle n on a steel rail m, aligning an ultrasonic testing auxiliary device with the steel rail m, and then pressing down the ultrasonic testing auxiliary device to enable two brush body assemblies 4 to preliminarily surround the steel rail m, wherein the brush body shell 41 is flush with the rail waist m1 of the steel rail m;
step 1.2, tightly attaching a steel rail m:
step 1.2.1, rotating a driving cone wheel component 21;
step 1.2.2, the brush body shell 41 is attached to a steel rail m:
the driving cone wheel component 21 drives the left and right transverse clamping arms 3 to synchronously move:
the driving bevel gear 21b drives the driven bevel gear 31c, the limiting ring groove 31b and the lead screw body 31a to rotate, and the lead screw body 31a drives the corresponding nut body 32a, the lower connecting block 32b and the clamping arm body 32c to transversely move;
the clamping arm bodies 32c of the left and right transverse clamping arms 3 move close to each other to drive the brush body assemblies 4 on the left and right sides to move close to each other;
the brush body shell 41, the friction roller 42 and the main cleaning roller 43 are tightly attached to the rail web m 1;
step 1.2.3, the torsion brush body 47 is attached to a steel rail m:
the torsion brush body 47 positioned above is pressed by the rail top m2, and the brush body rotating shaft 47a overcomes the torsion force of the torsion spring 47f to deflect in the direction deviating from the steel rail m and always keeps jointed with the lower inclined plane of the rail top m 2;
the lower torsion brush 47 is pressed by the rail bottom m3, and the brush rotating shaft 47a is deflected in a direction deviating from the rail m against the torsion force of the torsion spring 47f and always keeps in contact with the upper inclined surface of the rail bottom m3.
Further, the step 2 comprises the following steps:
step 2.1, the friction roller 42 rotates:
pushing the nondestructive testing vehicle n to drive the ultrasonic testing auxiliary device to move forwards along the steel rail m;
the friction roller 42 runs on the web m1 of the steel rail m in a rotating way;
step 2.2, cleaning the rail web m 1:
the friction bevel gear 42a drives the first front bevel gear 45c, the transmission sleeve 45a and the first rear bevel gear 45d to rotate;
the first rear bevel gear 45d drives the cleaning bevel gear 43a and the main cleaning roller 43 to rotate, the main cleaning roller 43 rotates in the direction opposite to that of the friction roller 42, and the rail web m1 is cleaned;
step 2.3, cleaning a rail top m2 and a rail bottom m 3:
the cleaning bevel gear 43a drives the second front bevel gear 46c, the transmission collar 46a and the second rear bevel gear 46d to rotate;
the second rear bevel gear 46d rotates to drive the movable bevel gear 47e and the auxiliary cleaning roller 47d to rotate;
the sub-cleaning roller 47d is rotated to clean the rail top m2 or the rail bottom m3.
Step 1.2.1, the drive cone wheel assembly 21 rotates, providing the following two embodiments:
embodiment one, fast turn:
pressing down the spring plate 22d against the damping of the compression spring 22e, the lower lock lever 22b being out of contact with the upper lock 22 b;
the spring stop disc 22d, the torsion bar body 22c, the axial slide block 22a and the lower locking rod 22b are rotated rapidly;
the lower locking rod 22b acts on the edge-mounted insertion hole 21d, and then drives the driving disc 21a and the driving bevel gear 21b to rotate.
Embodiment two, accurate rotation:
the adjusting device 2 further comprises a precision adjusting device 23, the precision adjusting device 23 comprises a driven worm wheel 23a which is rotatably arranged on the hollow longitudinal cylinder 11 and is positioned above the upper convex ring 11a, a worm wheel round hole for accommodating the torsion bar body 22c to penetrate through is formed in the middle of the driven worm wheel 23a, upper locking blocks 23b which are in one-to-one insertion connection with the lower locking rods 22b are uniformly distributed on the lower end surface of the driven worm wheel 23a in the circumferential direction, the adjusting device 2 further comprises a driving worm 23c which transversely penetrates through the hollow longitudinal cylinder 11 and is meshed with the driven worm wheel 23a, and two ends of the driving worm 23c are respectively provided with a hand-holding handle 23 d;
under normal state, the compression spring 22e drives the spring catch disc 22d, the torsion bar body 22c, the axial slider 22a and the lower locking rod 22b to move upwards, and the lower locking rod 22b is in contact with the upper locking block 23b for locking;
the handle 23d is rotated, the driving worm 23c drives the driven worm wheel 23a and the upper locking block 23b to rotate;
thereby driving the lower locking rod 22b to rotate;
the lower locking rod 22b acts on the edge-mounted insertion hole 21d, and then drives the driving disc 21a and the driving bevel gear 21b to rotate.
As a further embodiment, before step 1, step 3 is included, pre-adjusting the damping of depression of torsion bar assembly 22:
the adjusting device 2 further comprises a damping adjusting device 24, the damping adjusting device 24 comprises an internal thread cylinder 24a which is rotatably sleeved on the torsion bar body 22c, a cylinder inner ring groove 24b which is formed on the inner wall of the internal thread cylinder 24a and is rotationally matched with the spring baffle disc 22d, a middle longitudinal cavity 24c which is longitudinally arranged on the upper half part of the torsion bar body 22c, side longitudinal holes 24d which are circumferentially and uniformly distributed on the periphery of the middle longitudinal cavity 24c, a sliding longitudinal bar 24e which is slidably arranged in the middle longitudinal cavity 24c, thread insertion blocks 24f which are circumferentially and uniformly distributed on the upper end of the sliding longitudinal bar 24e and penetrate through the side longitudinal holes 24d, radial insertion bars 24g which are circumferentially and uniformly distributed on the lower end of the sliding longitudinal bar 24e and penetrate through the side longitudinal holes 24d, and a movable retainer ring 24h which is slidably arranged on the outer wall of the torsion bar body 22c and is connected with the radial insertion bars 24g, the outer thread meshed with the inner thread cylinder 24a is formed at the far end of the thread insert block 24 f;
the preconditioning method comprises the steps of:
rotating the internally threaded barrel 24 a;
the internal thread cylinder 24a drives the thread insert block 24f, the sliding longitudinal rod 24e, the radial insert rod 24g and the movable retainer ring 24h to move longitudinally;
the movable retainer 24h regulates the degree of compression and the spring force of the compression spring 22e in the normal state.
As a further embodiment:
the brush body rotating shaft 47a and the limit projection 47c are deflected in the direction approaching the steel rail m by the torsion force of the torsion spring 47f and abut against the stop projection 44f, and the torsion spring 47f is in a vertical posture in this state.
Further:
an upper fixed brush p for cleaning the upper end surface of the rail top m2 is further arranged below the clamping arm shell 1.
And further:
the side surface of the clamping arm body 32c is also provided with a side fixing brush q for cleaning the side surface of the rail top m2.
As a further embodiment, in step 2, the nondestructive testing vehicle n is pushed to run along the steel rail m in a reciprocating manner until the steel rail m is cleaned, and the nondestructive testing vehicle n is shut down in the process. And after cleaning, starting the machine and pushing the nondestructive testing vehicle n again to perform nondestructive testing.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. The ultrasonic detection pretreatment method for the crane is characterized by comprising the following steps:
use a crane ultrasonic testing auxiliary device, set up in the place ahead of nondestructive test car (n), for the rail (m) of clearance crane cart, include:
the clamping arm shell (1) is fixed in front of the nondestructive testing vehicle (n);
two transverse clamping arms (3) are arranged, and the left side and the right side of the clamping arm shell (1) are respectively provided with one transverse clamping arm (3) in a sliding manner;
two brush body assemblies (4) are arranged, and each transverse clamping arm (3) is provided with one brush body assembly (4) respectively;
the adjusting device (2) is arranged in the clamping arm shell (1) and is used for adjusting the distance between the two transverse clamping arms (3);
the pretreatment method comprises the following steps:
step 1, aligning and clamping a steel rail (m):
aligning the ultrasonic detection auxiliary device to the steel rail (m) to ensure that the two brush body assemblies (4) are distributed on the left side and the right side of the steel rail;
the adjusting device (2) acts to adjust the distance between the two transverse moving clamping arms (3), namely the distance between the two brush body assemblies (4), so as to clamp the steel rail (m);
step 2, walking along the steel rail (m) and cleaning the steel rail (m):
the ultrasonic detection auxiliary device moves along with the nondestructive detection vehicle (n), and the brush body assembly (4) cleans a steel rail (m);
the clamp arm housing (1) includes:
the hollow longitudinal cylinder (11) is arranged along the longitudinal direction, and the inner wall of the hollow longitudinal cylinder (11) is respectively provided with an upper convex ring (11a) and a middle convex ring (11b) from top to bottom;
the left side and the right side of the lower end of the hollow longitudinal cylinder (11) are respectively provided with a transverse sliding cylinder (12), the joint of each transverse sliding cylinder (12) and the hollow longitudinal cylinder (11) is also provided with a lower limiting hole (12a), and the lower end of each transverse sliding cylinder (12) is also formed with a transverse sliding hole (12 b);
the adjustment device (2) comprises:
the driving bevel wheel assembly (21) comprises a driving disc (21a) which is rotatably arranged between an upper convex ring (11a) and a middle convex ring (11b), a driving bevel gear (21b) which is arranged below the driving disc (21a), an axial slideway (21c) which is formed at the upper end of the driving disc (21a), edge-mounted jacks (21d) which are circumferentially and uniformly distributed at the outer edge of the upper end surface of the axial slideway (21c), and a middle round hole (21e) which is arranged at the middle part of the upper end of the axial slideway (21 c);
the torsion bar assembly (22) comprises an axial sliding block (22a) which is slidably inserted into the axial sliding way (21c), lower locking rods (22b) which are circumferentially and uniformly distributed on the upper end face of the axial sliding block (22a) and are in one-to-one insertion correspondence with side jacks (21d), and a torsion bar body (22c) which is arranged at the upper end of the axial sliding block (22a) and penetrates through a middle round hole (21e), wherein the upper end of the torsion bar body (22c) penetrates through the upper end face of the hollow longitudinal cylinder (11), a spring baffle disc (22d) is further arranged at the upper end of the torsion bar body (22c), and a compression spring (22e) is further wound on the part of the outer wall of the torsion bar body (22c) between the spring baffle disc (22d) and the hollow longitudinal cylinder (11);
the traverse clamping arm (3) comprises:
the screw rod assembly (31) comprises a screw rod body (31a) which is rotatably arranged in the transverse sliding barrel (12), a limiting ring groove (31b) which is formed on the outer wall of the screw rod body (31a) and is in running fit with the corresponding lower limiting hole (12a), and a driven bevel gear (31c) which is formed at one end, close to the hollow longitudinal barrel (11), of the screw rod body (31 a);
the nut assembly (32) comprises a nut body (32a) which is slidably arranged in the transverse sliding barrel (12) and is meshed with the corresponding lead screw body (31a), a lower connecting block (32b) which is formed below the nut body (32a) and penetrates through the transverse sliding hole (12b), and a clamping arm body (32c) which is arranged below the lower connecting block (32 b);
the brush body assembly (4) includes:
the brush body shell (41) is fixedly connected with the clamping arm body (32c), and one side, close to the steel rail (m), of the brush body shell (41) is provided with a brush roller side window (41 a);
the friction roller (42) is rotatably arranged at the front half part in the brush roll side window (41a), the upper end and the lower end of the friction roller (42) are respectively provided with a friction roller shaft penetrating through the brush body shell (41), and each friction roller shaft is also provided with a friction bevel gear (42 a);
the main cleaning roller (43) is rotatably arranged at the rear half part in the brush roll side window (41a), the upper end and the lower end of the main cleaning roller (43) are respectively provided with a cleaning roller shaft penetrating through the brush body shell (41), and each cleaning roller shaft is also provided with a cleaning bevel gear (43 a);
the brush body shell (41) is provided with two side gear shafts (44), the upper end and the lower end of the brush body shell (41) are respectively provided with one gear shaft body (44a), the front end and the rear end of the gear shaft body (44a) are connected with the brush body shell (41) through connecting longitudinal rods (44b), the gear shaft body (44a) is sequentially provided with a front annular groove (44c), a middle annular groove (44d) and a rear annular groove (44e) from front to back, and a stop lug (44f) is arranged in the rear annular groove (44 e);
the first transmission components (45) correspond to the edge-mounted gear shafts (44) one by one and comprise transmission sleeves (45a) which are rotatably sleeved on the corresponding gear shaft bodies (44a), first convex rings (45b) which are formed on the inner walls of the transmission sleeves (45a) and are in rotatable fit with the front annular grooves (44c), first front bevel gears (45c) which are formed at the front ends of the transmission sleeves (45a) and are meshed with the friction bevel gears (42a), and first rear bevel gears (45d) which are formed at the rear ends of the transmission sleeves (45a) and are meshed with the cleaning bevel gears (43 a);
the second transmission assemblies (46) correspond to the side gear shafts (44) one by one and comprise transmission lantern rings (46a) which are rotatably sleeved on the corresponding gear shaft bodies (44a), second convex rings (46b) which are formed on the inner walls of the transmission lantern rings (46a) and are in rotatable fit with the middle annular grooves (44d), second front bevel gears (46c) which are formed at the front ends of the transmission lantern rings (46a) and are meshed with the cleaning bevel gears (43a), and second rear bevel gears (46d) which are formed at the rear ends of the transmission lantern rings (46 a);
the torsional brush body (47) corresponds to the side-mounted gear shafts (44) one by one, and comprises a brush body rotating shaft (47a), a rotating shaft through hole (47b) which is arranged on the brush body rotating shaft (47a) and used for sleeving the gear shaft body (44a), and a limiting bump (47c) which is arranged on the inner wall of the rotating shaft through hole (47b) and inserted into the rear ring groove (44e), wherein the torsional brush body (47) further comprises an auxiliary cleaning roller (47d) which is rotatably arranged on the brush body rotating shaft (47a), a movable bevel gear (47e) which is formed at the lower end of the auxiliary cleaning roller (47d) and is meshed with the second rear bevel gear (46d), and a torsional spring (47f) which is wound at the rear end of the gear shaft body (44 a);
the step 1 of aligning and clamping the steel rail (m) specifically comprises the following steps:
step 1.1, pressing in a steel rail (m):
placing a nondestructive testing vehicle (n) on a steel rail (m) and aligning an ultrasonic testing auxiliary device with the steel rail (m), then pressing down the ultrasonic testing auxiliary device to enable two brush body assemblies (4) to preliminarily surround the steel rail (m), and enabling a brush body shell (41) to be level with a rail waist (m1) of the steel rail (m);
step 1.2, tightly adhering to a steel rail (m):
step 1.2.1, rotating a driving cone wheel component (21);
step 1.2.2, the brush body shell (41) is attached to the steel rail (m):
the driving cone wheel component (21) drives the left and right transverse clamping arms (3) to synchronously move:
the driving bevel gear (21b) drives the driven bevel gear (31c), the limiting ring groove (31b) and the lead screw body (31a) to rotate, and the lead screw body (31a) drives the corresponding nut body (32a), the lower connecting block (32b) and the clamping arm body (32c) to move transversely;
the clamping arm bodies (32c) of the left and right transverse clamping arms (3) move close to each other to drive the brush body assemblies (4) on the left and right sides to move close to each other;
the brush body shell (41), the friction roller (42) and the main cleaning roller (43) are tightly attached to the rail waist (m 1);
step 1.2.3, the torsion brush body (47) is attached to the steel rail (m):
the torsion brush body (47) positioned above is pressed by the rail top (m2), and the rotating shaft (47a) of the brush body deflects to the direction deviating from the steel rail (m) against the torsion force of the torsion spring (47f) and always keeps to be jointed with the lower inclined surface of the rail top (m 2);
the torsion brush body (47) positioned below is pressed by the rail bottom (m3), and the rotating shaft (47a) of the brush body is deflected to the direction deviating from the rail (m) against the torsion force of the torsion spring (47f) and is always kept in contact with the upper inclined surface of the rail bottom (m 3).
2. The crane ultrasonic detection pretreatment method according to claim 1, characterized by comprising the following steps:
the step 2 of walking along the steel rail (m) and cleaning the steel rail (m) specifically comprises the following steps:
step 2.1, the friction roller (42) rotates:
pushing the nondestructive testing vehicle (n) to drive the ultrasonic testing auxiliary device to move forwards along the steel rail (m);
the friction roller (42) runs on the rail web (m1) of the steel rail (m) in a rotating way;
step 2.2, cleaning the rail web (m 1):
the friction bevel gear (42a) drives the first front bevel gear (45c), the transmission sleeve (45a) and the first rear bevel gear (45d) to rotate;
the first rear bevel gear (45d) drives the cleaning bevel gear (43a) and the main cleaning roller (43) to rotate, the main cleaning roller (43) rotates in the direction opposite to that of the friction roller (42), and the rail waist (m1) is cleaned;
step 2.3, cleaning the rail top (m2) and the rail bottom (m 3):
the cleaning bevel gear (43a) drives the second front bevel gear (46c), the transmission sleeve ring (46a) and the second rear bevel gear (46d) to rotate;
the second rear bevel gear (46d) rotates to drive the movable bevel gear (47e) and the auxiliary cleaning roller (47d) to rotate;
the auxiliary cleaning roller (47d) is rotated to clean the rail top (m2) or the rail bottom (m 3).
3. The crane ultrasonic detection pretreatment method according to claim 2, characterized by comprising the following steps:
step 1.2.1, the driving cone wheel assembly (21) rotates, and the method specifically comprises the following steps:
pressing down the spring stop disc (22d) to overcome the damping of the compression spring (22e), and the lower locking rod (22b) is separated from the upper locking block (23 b);
the spring catch disc (22d), the torsion bar body (22c), the axial slide block (22a) and the lower locking rod (22b) are rotated rapidly;
the lower locking rod (22b) acts on the edge-mounted jack (21d) to drive the driving disc (21a) and the driving bevel gear (21b) to rotate.
4. The crane ultrasonic detection pretreatment method according to claim 2, characterized by comprising the following steps:
the adjusting device (2) further comprises a precision adjusting device (23), the precision adjusting device (23) comprises a driven worm wheel (23a) which is rotatably arranged on the hollow longitudinal cylinder (11) and is positioned above the upper convex ring (11a), a worm wheel round hole which is used for accommodating a torsion bar body (22c) to penetrate through is formed in the middle of the driven worm wheel (23a), upper locking blocks (23b) which are in one-to-one insertion connection and corresponding to the lower locking rods (22b) are uniformly distributed on the lower end face of the driven worm wheel (23a) in the circumferential direction, the adjusting device (2) further comprises a driving worm (23c) which transversely penetrates through the hollow longitudinal cylinder (11) and is meshed with the driven worm wheel (23a), and two ends of the driving worm (23c) are respectively provided with a hand-holding handle (23 d);
step 1.2.1, the driving cone wheel assembly (21) rotates, and the method specifically comprises the following steps:
under a normal state, the compression spring (22e) drives the spring stop disc (22d), the torsion bar body (22c), the axial sliding block (22a) and the lower locking rod (22b) to move upwards, and the lower locking rod (22b) is in contact locking with the upper locking block (23 b);
the handle (23d) is rotated, the driving worm (23c) drives the driven worm wheel (23a) and the upper locking block (23b) to rotate;
thereby driving the lower locking rod (22b) to rotate;
the lower locking rod (22b) acts on the edge-mounted jack (21d) to drive the driving disc (21a) and the driving bevel gear (21b) to rotate.
5. The ultrasonic crane inspection pretreatment method according to claim 3 or 4, characterized in that:
the adjusting device (2) further comprises a damping adjusting device (24), the damping adjusting device (24) comprises an internal thread cylinder (24a) which is rotatably sleeved on the torsion bar body (22c), a cylinder inner ring groove (24b) which is formed on the inner wall of the internal thread cylinder (24a) and is in rotating fit with the spring baffle disc (22d), a middle longitudinal cavity (24c) which is longitudinally arranged on the upper half part of the torsion bar body (22c), side longitudinal holes (24d) which are circumferentially and uniformly distributed on the periphery of the middle longitudinal cavity (24c), a sliding longitudinal rod (24e) which is slidably arranged in the middle longitudinal cavity (24c), thread insertion blocks (24f) which are circumferentially and uniformly distributed on the upper end of the sliding longitudinal rod (24e) and penetrate through the side longitudinal holes (24d), radial insertion rods (24g) which are circumferentially and uniformly distributed on the lower end of the sliding longitudinal rod (24e) and penetrate through the side longitudinal holes (24d), and movable retainer rings which are slidably arranged on the outer wall of the torsion bar body (22c) and are connected with the radial insertion rods (24g) 24h) The distal end of the thread insert block (24f) is formed with an external thread meshed with the internal thread cylinder (24 a);
prior to step 1, there is also included step 3 of preconditioning the depression damping of the torsion bar assembly (22):
rotating the internally threaded barrel (24 a);
the internal thread cylinder (24a) drives the thread insert block (24f), the sliding longitudinal rod (24e), the radial insert rod (24g) and the movable retainer ring (24h) to move longitudinally;
the movable retainer ring (24h) adjusts the degree of compression and the elastic force of the compression spring (22e) in a normal state.
6. The ultrasonic detection pretreatment method for the crane according to claim 5, characterized in that:
the rotating shaft (47a) of the brush body and the limit lug (47c) deflect towards the direction close to the steel rail (m) under the torsion action of the torsion spring (47f) and are abutted against the stop lug (44f), and the torsion spring (47f) is in a vertical posture in the state.
7. The ultrasonic detection pretreatment method for the crane according to claim 6, characterized in that:
an upper fixed brush (p) used for cleaning the upper end surface of the rail top (m2) is further arranged below the clamping arm shell (1).
8. The crane ultrasonic detection pretreatment method according to claim 7, characterized by comprising the following steps:
the side surface of the clamping arm body (32c) is also provided with a side fixing brush (q) for cleaning the side surface of the rail top (m 2).
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| CN114216967B (en) * | 2021-12-16 | 2023-08-22 | 江苏省特种设备安全监督检验研究院 | Crane nondestructive inspection pretreatment method |
| CN115077974B (en) * | 2022-06-15 | 2024-03-29 | 国网山东省电力公司利津县供电公司 | Power grid material random sampling detection device |
| CN117387946B (en) * | 2023-10-15 | 2024-10-01 | 常山县鑫顺精密机械有限公司 | Mechanical arm of bearing detection machine |
| CN118437703B (en) * | 2024-07-03 | 2024-10-08 | 河南科技学院 | Crane track cleaning and protecting equipment |
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| CN203411868U (en) * | 2013-08-15 | 2014-01-29 | 金鹰重型工程机械有限公司 | Rail-side cleaning device for steel rail |
| JP6308664B2 (en) * | 2014-05-30 | 2018-04-11 | 株式会社Ｓｋｂ | Door device with rail cleaning tool |
| CN107458419B (en) * | 2017-09-18 | 2023-06-23 | 四川曜诚无损检测技术有限公司 | Ultrasonic flaw detector for rail base metal rail bottom |
| CN208072111U (en) * | 2018-03-14 | 2018-11-09 | 李小芳 | A kind of rail derusting device |
| CN209707443U (en) * | 2018-12-25 | 2019-11-29 | 盐城纳得自动化设备有限公司 | A kind of rail examination machine |
| CN112575729A (en) * | 2019-09-29 | 2021-03-30 | 湖南工业大学 | Grafting formula rail laminating cleaning device |
| CN211922476U (en) * | 2019-11-12 | 2020-11-13 | 苏州高新城市轨道交通检验认证有限公司 | Foreign matter remover for flaw detection trolley |
| CN112326792A (en) * | 2020-10-31 | 2021-02-05 | 佛山常帮科技有限公司 | Double-rail type steel rail ultrasonic flaw detector |
| CN214328320U (en) * | 2021-01-20 | 2021-10-01 | 徐楚容 | Railway track mounting device |
| CN112894021A (en) * | 2021-01-22 | 2021-06-04 | 李一鸣 | High-speed rail motor car track rust cleaning device |
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