CN113484494A - Nondestructive testing device for metal shaft body - Google Patents
Nondestructive testing device for metal shaft body Download PDFInfo
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- CN113484494A CN113484494A CN202110653262.8A CN202110653262A CN113484494A CN 113484494 A CN113484494 A CN 113484494A CN 202110653262 A CN202110653262 A CN 202110653262A CN 113484494 A CN113484494 A CN 113484494A
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- 239000002184 metal Substances 0.000 title claims abstract description 22
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000009193 crawling Effects 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 241000219098 Parthenocissus Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/204—Structure thereof, e.g. crystal structure
- G01N33/2045—Defects
-
- 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
-
- 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
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
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- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a nondestructive testing device for a metal shaft body, which comprises a fixing ring, a cleaning brush assembly and a crawling assembly, wherein the fixing ring consists of two semicircular plates, and a plurality of crawling assemblies are distributed on the circumference of one side, close to the circle center, of the fixing ring; a plurality of connecting rods extending in the vertical direction are fixed above the fixing ring, the other ends of the connecting rods are connected with the gear ring in a rotatable mode, the gear ring is composed of two semi-annular gear rings, and a plurality of cleaning brush assemblies are distributed on the circumference of one side, close to the circle center, of the gear ring; an arc-shaped rotating ring is fixed below each semi-annular gear ring of the gear rings in the direction close to the circle center relative to the connecting rod, and a detection device is arranged in each rotating ring; compared with the prior art, the invention can prevent the shaft body from sliding off and smoothly crawl on the shaft body, can clean the surface of the shaft body to be detected during detection, and can adapt to the detection of the shaft body with larger diameter range.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a nondestructive detection device for a metal shaft body.
Background
The nondestructive detection is a technology for detecting defects, chemical and physical parameters of materials, parts and equipment by adopting ray, ultrasonic, infrared, electromagnetic and other principle technologies and combining instruments on the premise of not damaging or influencing the use performance of an object to be detected. Common detection methods are as follows: visual and optical inspection, X-ray inspection, magnetic particle inspection, ultrasonic inspection, and the like.
The shaft body is needed to be used for the transmission, connection, support and other structures of mechanical equipment used in the industries of metallurgy, electric power, petrochemical industry, ships and the like, and is often an important part and a vulnerable part, so the flaw detection of the shaft body is very important. In the prior art, the detachable type and non-detachable type flaw detection are adopted, the detachable type flaw detection can carry out more comprehensive detection, but some larger shaft parts such as piston rods (dozens of meters) of hydraulic opening and closing machines of gates of hydropower stations are inconvenient to detach, manual erection of platforms is needed to carry out non-detachable flaw detection, the danger is large, the engineering quantity is large, the danger is high, the efficiency is low, and the frequent inspection requirement cannot be met.
In the prior art, the shaft parts can be detected through the pole-climbing robot, so that the engineering quantity can be reduced, but the pole-climbing robot is not flexible and comprehensive in detection and has the risk of slipping reliably. In addition, if the surface of the part to be detected is stained with objects such as impurity dirt, rusty spot and the like, the detection is deviated, and false alarm is easy to occur if the climbing rod robot cannot perform timely treatment and feedback, and the workload is increased.
Therefore, it is necessary to provide a nondestructive testing apparatus for metal shaft bodies to solve the above problems in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a nondestructive testing device for a metal shaft body comprises a fixing ring, a cleaning brush assembly and a crawling assembly, wherein the fixing ring is composed of two semicircular plates, and a plurality of crawling assemblies are distributed on the circumference of one side, close to the circle center, of the fixing ring;
a plurality of connecting rods extending in the vertical direction are fixed above the fixing ring, the other ends of the connecting rods are connected with the gear ring in a rotatable mode, the gear ring is composed of two semi-annular gear rings, and a plurality of cleaning brush assemblies are distributed on the circumference of one side, close to the circle center, of the gear ring;
an arc-shaped rotating ring is fixed below each semi-annular gear ring of the gear rings in the direction close to the circle center relative to the connecting rod, and a detection device is arranged in each rotating ring;
the two semi-annular fixed rings and the two semi-annular gear rings are detachably spliced through two lock catches arranged at seams respectively;
the fixed ring is fixed with a motor on the Shanghai, an output shaft of the motor is connected with a gear, and the gear is meshed with the gear ring.
Further, as preferred, solid fixed ring goes up circumference evenly distributed and has the screw rod seat, is connected with the guiding axle along solid fixed ring's radial slidable in every screw rod seat and threaded connection has adjusting screw, every adjusting screw and guiding axle are close to solid fixed ring direction and are connected with a subassembly of crawling.
Further, preferably, the crawling assembly comprises a connecting seat and a belt, the connecting seat is rotatably connected with the end face of the adjusting screw rod through a screw rod bearing in the direction close to the screw rod seat and is fixedly connected with the guide shaft;
the centers of two sides of the connecting seat are rotatably connected with two pairs of scissors connecting rods, each pair of scissors connecting rods consists of two Y-shaped connecting rods which are symmetrically arranged and are branched from one end of a long rod into two short rods, and the crossed positions of the long rod and the two short rods are rotatably connected with the side surface of the connecting seat;
every one end that the short bar was kept away from to the scissors fork connecting rod rotationally is connected with the belt pulley, and two belt pulleys in every pair of scissors fork connecting rod twine a belt with the supporting wheel that rotationally sets up in the connecting seat jointly, just the belt forms the isosceles triangle who uses one section between two belt pulleys as the base.
Preferably, the short rod of the scissors connecting rod close to one side of the bottom edge of the belt is rotatably connected with the center of the parallel wheel rod, and two ends of the parallel wheel rod are rotatably connected with the parallel wheels.
Preferably, a damping telescopic rod is hinged between one short rod of the scissor connecting rod close to one side of the supporting wheel and the other short rod of the scissor connecting rod in the same direction, a spring is sleeved on the periphery of the damping telescopic rod, and two ends of the spring are fixedly connected with the corresponding short rods of the two scissor connecting rods.
Further, as preferred, in the same subassembly of crawling, two belt pulleys of same horizontal position pass through shaft fixed connection, and pass through the belt drive in one of them shaft and fix the belt motor transmission in the connecting seat and be connected, and the output shaft of belt motor is located the center of connecting seat.
Further, as preferred, there is the sand grip in the one side that the belt is close to the belt pulley, and also has corresponding recess and belt synchronous drive in the belt pulley to be connected, the belt is kept away from the line that has the increase frictional force in the belt pulley one side.
Further, preferably, an annular guide rail is arranged below the gear ring, and grooves are formed in two sides of the guide rail;
a rotary seat is fixed above the connecting rod, a pulley seat is rotatably connected above the rotary seat along the center, and the pulley seat is vertically symmetrical with the guide rail;
the position of the pulley block relative to the two sides of the guide rail is provided with a horizontal side pulley, and the side pulley is connected with the grooves on the two sides of the guide rail in a clamping manner.
Further, preferably, the cleaning brush assembly comprises a sliding rod and a center brush, wherein a through groove is formed in the center of the sliding rod along the length direction of the sliding rod, the sliding rod is connected with the upper surface of the gear ring in an elastic mode through a set screw penetrating through the through groove, and the length of the sliding rod is smaller than the distance from the side face of the inner ring of the gear ring to the tooth root circle;
and a central brush is fixed in one end of the sliding rod in the inner ring of the gear ring.
Further, as preferred, the clearance brush subassembly still includes the limit brush, the limit brush telescopically sets up the both sides at central brush, the limit brush is kept away from one side of central brush and is articulated to have the adjustment connecting rod, two the adjustment connecting rod articulates jointly to be located the fixed hinge department of slide bar top, fixed hinge and ring gear fixed connection. Compared with the prior art, the invention has the beneficial effects that:
according to the belt support device, when the bottom edge of the belt is attached to a shaft body to be detected, the bottom edge of the belt is kept parallel to the surface of the shaft body through the support of the parallel wheels and provides uniform support force, when pressure is further applied, each group of scissors connecting rods are stressed to do scissors movement, the damping telescopic rods and the springs respectively provide reverse damping and elastic force, and the belt can be attached to the shaft body to creep while large friction force can be kept between the belt and the surface of the shaft body. So that the present invention can prevent slipping from the shaft body and can smoothly creep thereon.
According to the invention, when the sliding rod slides towards the circle center of the gear ring, the connecting rod is adjusted to pull the side brush to retract into the central brush, so that the side brush can be attached to a shaft body with a smaller diameter, otherwise, the side brush is extended, so that the side brush can be attached to a shaft body with a larger diameter in a larger area, and therefore, the cleaning effect is better, and the device can be suitable for detecting shaft bodies with a larger diameter range.
Drawings
FIG. 1 is a schematic structural diagram of a nondestructive testing apparatus for metal shaft bodies;
FIG. 2 is a schematic side view of a creeper assembly for a nondestructive inspection apparatus for metal shafts;
FIG. 3 is a schematic top view of a creeper assembly for a nondestructive inspection apparatus for metal shafts;
FIG. 4 is a schematic structural view of a guide rail and a measuring pulley for a nondestructive testing device for metal shafts;
FIG. 5 is a schematic structural view of a cleaning brush assembly for a nondestructive testing apparatus for metal shaft bodies;
in the figure: 1. a fixing ring; 2. a connecting rod; 3. a ring gear; 31. a guide rail; 4. a rotating ring; 5. cleaning the brush assembly; 6. a gear; 7. a motor; 8. a crawling assembly; 9. adjusting the screw rod; 91. a screw bearing; 10. a guide shaft; 11. a screw seat; 12. locking; 13. a detection device; 21. rotating; 22. a pulley seat; 23. a side pulley; 51. a slide bar; 52. a central brush; 53. brushing edges; 54. adjusting the connecting rod; 55. fixing the hinge; 56. tightening the screw; 81. a connecting seat; 82. a belt; 83. a scissor linkage; 84. a belt pulley; 841. a wheel axle; 85. a parallel wheel; 851. parallel wheel rods; 86. damping telescopic rods; 87. a spring; 88. a transmission belt; 89. a belt motor; 810. and supporting the wheels.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a nondestructive testing apparatus for a metal shaft body includes a fixing ring 1, a cleaning brush assembly 5 and a crawling assembly 8, where the fixing ring 1 is composed of two semicircular plates, and a plurality of crawling assemblies 8 are circumferentially distributed on one side of the fixing ring 1 close to a circle center;
a plurality of connecting rods 2 extending in the vertical direction are fixed above the fixing ring 1, the other ends of the connecting rods 2 are connected with a gear ring 3 in a rotatable mode, the gear ring 3 is composed of two semi-annular gear rings, and a plurality of cleaning brush assemblies 5 are distributed on the circumference of one side, close to the circle center, of the gear ring 3;
an arc-shaped rotating ring 4 is fixed below each semi-annular gear ring of the gear ring 3 in the direction close to the circle center relative to the connecting rod 2, a detection device 13 is arranged in each rotating ring 4, the detection device 13 can be a ray, ultrasonic, infrared, electromagnetic and other flaw detector, and the specific form of the detection device can be not limited;
the two semi-annular fixing rings 1 and the gear ring 3 are detachably spliced through two lock catches 12 arranged at seams respectively, the lock catches 12 can be tightly connected, and the specific form of the lock catches can be unlimited;
the fixed ring 1 is fixed with a motor 7 in the Shanghai, an output shaft of the motor 7 is connected with a gear 6, and the gear 6 is meshed with the gear ring 3.
In this embodiment, solid fixed ring 1 goes up circumference evenly distributed and has screw rod seat 11, is connected with guiding axle 10 and threaded connection along solid fixed ring 1's radial slidable in every screw rod seat 11 and has adjusting screw 9, every adjusting screw 9 and guiding axle 10 are close to solid fixed ring 1 direction and are connected with one subassembly 8 of crawling.
Referring to fig. 2, in the present embodiment, the crawling assembly 8 includes a connecting seat 81 and a belt 82, the connecting seat 81 is rotatably connected to the end surface of the adjusting screw 9 through a screw bearing 91 in the direction close to the screw seat 11, and is fixedly connected to the guiding shaft 10;
the centers of two sides of the connecting seat 81 are rotatably connected with two pairs of scissors connecting rods 83, each pair of scissors connecting rods 83 is composed of two Y-shaped connecting rods which are symmetrically arranged and are branched into two short rods from one end of a long rod, and the crossed positions of the long rod and the two short rods are rotatably connected with the side surface of the connecting seat 81;
one end of each scissors connecting rod 83, which is far away from the short rod, is rotatably connected with a belt pulley 84, two belt pulleys 84 in each pair of scissors connecting rods 83 and a supporting wheel 810 rotatably arranged in the connecting seat 81 are wound together with one belt 82, and the belt 82 forms an isosceles triangle with a section between the two belt pulleys 84 as a bottom edge;
that is to say, by rotating the adjusting screw 9, the connecting seat 81 and the belt 82 thereon can be pushed to move towards the center of the circle, so that the bottom edge of the belt 82 can be attached to the surface of the shaft body to be detected.
In this embodiment, a short rod of the scissors link 83 near one side of the bottom edge of the belt 82 is rotatably connected with the center of the parallel wheel rod 851, and two ends of the parallel wheel rod 851 are rotatably connected with the parallel wheels 85;
that is, when the bottom side of the belt 82 is fitted to the shaft body to be tested, the support by the parallel wheels 85 keeps the bottom side of the belt 82 parallel to the shaft body surface and provides a more uniform supporting force, so that the frictional force between the belt 82 and the shaft body surface can be greater.
In this embodiment, a damping telescopic rod 86 is hinged between one short rod of the scissors connecting rod 83 close to one side of the supporting wheel 810 and the other short rod of the same group of scissors connecting rods 83 in the same direction, a spring 87 is sleeved on the periphery of the damping telescopic rod 86, and two ends of the spring 87 are fixedly connected with the corresponding short rods of the two scissors connecting rods 83;
that is, when the bottom edge of the belt 82 is attached to the shaft to be tested and pressure is applied, each set of scissors connecting rods 83 is stressed to perform scissors movement, and the damping telescopic rods 86 and the springs 87 respectively provide opposite damping and elastic forces, so that the belt 82 can stick to the shaft to crawl while the belt 82 can keep a large friction force with the surface of the shaft.
Referring to fig. 3, in the embodiment, in the same crawling assembly 8, two belt pulleys 84 at the same horizontal position are fixedly connected through an axle 841, one axle 841 is in transmission connection with a belt motor 89 fixed in the connecting seat 81 through a transmission belt 88, and an output shaft of the belt motor 89 is located at the center of the connecting seat 81, so that the belt pulleys 84 are kept at the same distance from the output shaft of the belt motor 89 all the time during movement.
In this embodiment, one surface of the belt 82 close to the belt pulley 84 has a convex strip, and the belt pulley 84 also has a corresponding concave groove connected with the belt 82 in a synchronous transmission manner, and the surface of the belt 82 far away from the belt pulley 84 has a texture for increasing friction.
Referring to fig. 4, in this embodiment, an annular guide rail 31 is disposed below the gear ring 3, grooves are disposed on two sides of the guide rail 31, and the connecting rod 2 and the gear ring 3 are connected in a wheel-track manner through the guide rail 31, specifically:
a rotary seat 21 is fixed above the connecting rod 2, a pulley seat 22 is rotatably connected above the rotary seat 21 along the center, and the pulley seat 22 is vertically symmetrical to the guide rail 31;
the position of pulley holder 22 both sides relative to guide rail 31 is equipped with horizontally side pulley 23, the recess clamp connection of side pulley 23 and guide rail 31 both sides for connecting rod 2 can restrict the removal of vertical direction and can slide each other with ring gear 3, and because rotatable between pulley holder 22 and swivel mount 21, can ensure to keep tangent between pulley holder 22 and guide rail 31, make its roll connection more smooth and easy, avoid taking place the relative slip.
Referring to fig. 1 and 5, in the present embodiment, the cleaning brush assembly 5 includes a sliding rod 51 and a central brush 52, a through groove is formed in the center of the sliding rod 51 along the length direction thereof, and is elastically connected to the upper surface of the gear ring 3 by a set screw 56 penetrating through the through groove, and the length of the sliding rod 51 is smaller than the distance from the inner ring side surface of the gear ring 3 to the tooth root circle;
a central brush 52 is fixed to the slide bar 51 in one end inside the inner ring of the ring gear 3.
In this embodiment, the cleaning brush assembly 5 further includes side brushes 53, the side brushes 53 are telescopically arranged on two sides of the central brush 52, one side of the side brush 53 away from the central brush 52 is hinged with an adjusting connecting rod 54, the two adjusting connecting rods 54 are hinged to a fixed hinge 55 above the sliding rod 51, and the fixed hinge 55 is fixedly connected with the gear ring 3;
that is, when the sliding rod 51 slides towards the center of the gear ring 3, the adjusting link 54 pulls the side brush 53 to retract into the central brush 52, so that the side brush 53 can be attached to a shaft body with a smaller diameter, otherwise, the side brush 53 is extended, so that the side brush can be attached to a shaft body with a larger diameter in a larger area, and the cleaning effect is better.
In specific implementation, the wire loosens the lock catches 12 in the fixed ring 1 and the gear ring 3 to divide the equipment into two parts, and the equipment is sleeved on the surface of the shaft body to be detected and then fastens all the lock catches 12 to form a whole;
each crawling assembly 8 is pushed to move towards the circle center by rotating the adjusting screw 9, so that the bottom edge of the belt 82 is attached to the surface of the shaft body to be detected;
when the bottom edge of the belt 82 is attached to a shaft body to be detected, the bottom edge of the belt 82 is kept parallel to the surface of the shaft body by the support of the parallel wheels 85 and provides uniform support force, when pressure is further applied, each group of scissors connecting rods 83 is stressed to do scissors movement, and the damping telescopic rods 86 and the springs 87 respectively provide reverse damping and elastic force, so that the belt 82 can be attached to the shaft body to crawl while large friction force is kept between the belt 82 and the surface of the shaft body;
loosening the set screw 56, enabling the sliding rod 51 to slide towards the circle center direction of the gear ring 3, enabling the adjusting connecting rod 54 to pull the side brush 53 to retract into the central brush 52, enabling the side brush 53 to be attached to a shaft body with a smaller diameter, otherwise enabling the side brush 53 to extend, enabling the side brush 53 to be attached to the shaft body with a larger diameter in a larger area, enabling the cleaning effect to be better, and tightening the set screw 56 after adjustment is completed;
start every belt motor 89 and can drive arrangement along the axis body crawl, starter motor 7 makes its drive ring gear 3 rotate, makes central brush 52 and limit brush 53 clear up and wait to detect the axis body surface, and detecting device 13 synchronous revolution can detect every direction of axis body simultaneously.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A nondestructive testing device for a metal shaft body comprises a fixing ring (1), a cleaning brush assembly (5) and a crawling assembly (8), and is characterized in that the fixing ring (1) consists of two semicircular plates, and a plurality of crawling assemblies (8) are distributed on the circumference of one side, close to the circle center, of the fixing ring (1);
a plurality of connecting rods (2) extending in the vertical direction are fixed above the fixing ring (1), the other ends of the connecting rods (2) are connected with the gear ring (3) in a rotatable manner, the gear ring (3) consists of two semi-annular gear rings, and a plurality of cleaning brush assemblies (5) are distributed on the circumference of one side, close to the circle center, of the gear ring (3);
an arc-shaped rotating ring (4) is fixed below each semi-annular gear ring of the gear ring (3) in the direction close to the circle center relative to the connecting rod (2), and a detection device (13) is arranged in each rotating ring (4);
the two semi-annular fixing rings (1) and the gear ring (3) are detachably spliced through two lock catches (12) arranged at seams respectively;
fixed ring (1) shanghai is fixed with motor (7), the output shaft of motor (7) has gear (6), gear (6) and ring gear (3) intermeshing.
2. The nondestructive testing device for the metal shaft body according to claim 1 is characterized in that screw seats (11) are uniformly distributed on the circumference of the fixing ring (1), a guide shaft (10) and an adjusting screw (9) are slidably connected in each screw seat (11) along the radial direction of the fixing ring (1) and are in threaded connection, and a crawling assembly (8) is connected in a direction of each adjusting screw (9) and each guide shaft (10) close to the fixing ring (1).
3. The nondestructive testing device for the metal shaft body according to claim 2, wherein the crawling assembly (8) comprises a connecting seat (81), a belt (82), the connecting seat (81) is rotatably connected with the end surface of the adjusting screw (9) through a screw bearing (91) in the direction close to the screw seat (11) and is fixedly connected with the guide shaft (10);
the centers of two sides of the connecting seat (81) are rotatably connected with two pairs of scissors connecting rods (83), each pair of scissors connecting rods (83) consists of two Y-shaped connecting rods which are symmetrically arranged and are formed by branching one end of a long rod into two short rods, and the crossed positions of the long rod and the two short rods are rotatably connected with the side surface of the connecting seat (81);
each scissors connecting rod (83) is kept away from one end of quarter butt and is rotationally connected with belt pulley (84), and two belt pulleys (84) in every pair of scissors connecting rod (83) twine a belt (82) with supporting wheel (810) that rotationally sets up in connecting seat (81) jointly, just belt (82) form and use one section between two belt pulleys (84) to be the isosceles triangle of base.
4. The nondestructive testing device for the metal shaft bodies according to claim 3, wherein a short rod of the scissors link (83) near one side of the bottom edge of the belt (82) is rotatably connected with the center of a parallel wheel rod (851), and the two ends of the parallel wheel rod (851) are rotatably connected with parallel wheels (85).
5. The nondestructive testing device for the metal shaft body according to claim 3, wherein a damping telescopic rod (86) is hinged between one short rod of the scissors connecting rod (83) close to one side of the supporting wheel (810) and the other short rod of the same group of scissors connecting rods (83) in the same direction, a spring (87) is sleeved on the periphery of the damping telescopic rod (86), and two ends of the spring (87) are fixedly connected with the corresponding short rods of the two scissors connecting rods (83).
6. The nondestructive testing device for the metal shaft body according to claim 3 is characterized in that in the same crawling assembly (8), two belt pulleys (84) at the same horizontal position are fixedly connected through an axle (841), one axle (841) is in transmission connection with a belt motor (89) fixed in the connecting seat (81) through a transmission belt (88), and an output shaft of the belt motor (89) is positioned at the center of the connecting seat (81).
7. The device for nondestructive testing of metal shafts as claimed in claim 3 wherein the belt (82) has ribs on a side thereof adjacent the pulley (84) and corresponding grooves in the pulley (84) for synchronous drive connection with the belt (82), and the belt (82) has friction enhancing ribs on a side thereof remote from the pulley (84).
8. The nondestructive testing device for the metal shaft body according to the claim 1 is characterized in that an annular guide rail (31) is arranged below the gear ring (3), and two sides of the guide rail (31) are provided with grooves;
a rotary seat (21) is fixed above the connecting rod (2), a pulley seat (22) is rotatably connected above the rotary seat (21) along the center, and the pulley seat (22) is vertically symmetrical with the guide rail (31);
the pulley seat (22) is provided with horizontal side pulleys (23) at positions corresponding to two sides of the guide rail (31), and the side pulleys (23) are connected with grooves at two sides of the guide rail (31) in a clamping manner.
9. The nondestructive testing device for the metal shaft body is characterized in that the cleaning brush assembly (5) comprises a sliding rod (51) and a central brush (52), wherein the center of the sliding rod (51) is provided with a through groove along the length direction of the sliding rod, the sliding rod is elastically connected with the upper surface of the gear ring (3) through a set screw (56) penetrating through the sliding rod, and the length of the sliding rod (51) is smaller than the distance from the side surface of the inner ring of the gear ring (3) to a tooth root circle;
and a central brush (52) is fixed in one end of the sliding rod (51) in the inner ring of the gear ring (3).
10. The nondestructive testing device for the metal shaft body according to claim 9 is characterized in that the cleaning brush assembly (5) further comprises an edge brush (53), the edge brush (53) is telescopically arranged at two sides of the central brush (52), one side of the edge brush (53) far away from the central brush (52) is hinged with an adjusting connecting rod (54), the two adjusting connecting rods (54) are hinged together at a fixed hinge (55) above the sliding rod (51), and the fixed hinge (55) is fixedly connected with the gear ring (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653262.8A CN113484494B (en) | 2021-06-11 | 2021-06-11 | Nondestructive testing device for metal shaft body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653262.8A CN113484494B (en) | 2021-06-11 | 2021-06-11 | Nondestructive testing device for metal shaft body |
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| CN113484494A true CN113484494A (en) | 2021-10-08 |
| CN113484494B CN113484494B (en) | 2024-04-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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