CN218036583U

CN218036583U - End face ultrasonic flaw detection device

Info

Publication number: CN218036583U
Application number: CN202221908643.2U
Authority: CN
Inventors: 蒋和; 俞兰程; 王丹
Original assignee: Changzhou Chunlei Electronic High Tech Co ltd
Current assignee: Changzhou Chunlei Electronic High Tech Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-13
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a terminal surface ultrasonic inspection device, including casing and coaxial arrangement in the casing and the fixed track dish and the fixed plate that link to each other of interval, set up three group's spouts along radial distribution on the track dish, three group slidable mounting has the subassembly of detecting a flaw in the spout respectively, install power module, circuit board and the reciprocating drive motor that connects in proper order electricity on the fixed plate to and the gear drive subassembly that links to each other with the reciprocating drive motor output, the bottom fixed mounting of the subassembly of detecting a flaw has the slider that runs through the spout and links to each other with the output of gear drive subassembly, reciprocating drive motor is suitable for and drives slider reciprocating motion through the gear drive subassembly. The utility model discloses blind area appears when can effectively avoiding sweeping the check in convenient operation, improves the accuracy of testing result.

Description

End face ultrasonic flaw detection device

Technical Field

The utility model relates to a nondestructive inspection detects technical field, especially relates to a terminal surface ultrasonic inspection device.

Background

Ultrasonic flaw detection is a method for detecting the flaw of a part by using the characteristic that ultrasonic energy penetrates into the depth of a metal material and is reflected at the edge of an interface when the ultrasonic energy enters another section from the section.

The axle is a key component influencing the running safety of the railway freight car and is one of the most important components for flaw detection of a railway system, and the technical state of the axle directly influences the running safety of a vehicle. At present, the mode of carrying out wheel axle flaw detection through end face scanning is economical and practical, and mainly is that a single crystal small-angle ultrasonic probe is manually held for flaw detection, and because the stability of speed, pressure, distance and angle cannot be continuously guaranteed when flaw detection operators carry out end face ultrasonic scanning, detection results are seriously influenced, and the detection omission is easily caused. Therefore, a new end face ultrasonic flaw detection device needs to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a terminal surface ultrasonic inspection device to prior art's weak point, need not artifical manual reciprocating motion probe, blind area appears when effectively avoiding sweeping the check in convenient operation, improves testing result's accuracy.

Realize the utility model discloses purpose technical scheme is:

the utility model provides an end face ultrasonic inspection device, includes casing and coaxial arrangement in the casing and fixed continuous track dish and fixed plate of interval, set up three spouts along radial distribution of group on the track dish, three groups respectively slidable mounting has the subassembly of detecting a flaw in the spout, install power module, circuit board and the reciprocal driving motor that connects in proper order the electricity on the fixed plate to and the gear drive subassembly that links to each other with the reciprocal driving motor output, the bottom fixed mounting of the subassembly of detecting a flaw has the slider that runs through the spout and links to each other with the output of gear drive subassembly, reciprocal driving motor is suitable for drive gear drive subassembly to drive the slider and realizes reciprocating motion.

Further, the gear transmission assembly comprises a first gear fixedly mounted at the output end of the reciprocating driving motor and three groups of second gears rotatably mounted on the fixing plate and located under the sliding groove, a third gear rotatably mounted on the fixing plate is meshed between the first gear and the two second gears located on two sides, a fourth gear rotatably mounted on the fixing plate is meshed between the other second gear and the two second gears located on two sides, a connecting piece is eccentrically rotatably mounted on the second gear, and the other end of the connecting piece is rotatably connected with the sliding block.

Further, the coaxial rotation of fixed plate is located in the casing, the fixed ring gear that is equipped with of inner wall of casing, the bottom fixed mounting of fixed plate has the connecting plate, fixed mounting has the circumference driving motor who is connected with the circuit board electricity on the connecting plate, the coaxial fixed mounting of circumference driving motor's output has the fifth gear, the meshing is equipped with the rotation between fifth gear and the ring gear and installs the sixth gear on the connecting plate.

Furthermore, the shell comprises an upper shell and a lower shell which are fixedly connected with each other and a cover plate which is movably arranged at the bottom of the lower shell, and a support rod is fixedly connected between the cover plate and the fixing plate; and a bearing is arranged between the fixed plate and the upper shell, the inner ring of the bearing is connected with the fixed plate, and the outer ring of the bearing is connected with the upper shell.

Furthermore, a first photoelectric switch electrically connected with the circuit board is fixedly mounted below the fixing plate, and a first light barrier matched with the first photoelectric switch is fixedly mounted on the inner wall of the shell.

Furthermore, three sets of chutes are communicated with each other at one end close to the center of the track disc to form a wiring port suitable for flat cable of the flaw detection assembly, a through hole is formed in the center of the fixing plate, a wire outlet is formed in the center of the bottom of the shell, and a threading pipe is connected between the through hole and the wire outlet.

Further, a support is fixedly mounted on the track disc, and one end of the support extends to the center of the track disc and is fixedly provided with a positioning column protruding out of the upper end face of the shell.

Furthermore, the outer wall of the shell is fixedly provided with a handle, so that the handheld operation is facilitated.

Further, install ground packing ring on the outer peripheral face of casing bottom, when vertical placing, can effectively alleviate the vibrations with the contact surface to probe assembly in the protective housing guarantees the precision of detecting a flaw.

Furthermore, the three groups of chutes are communicated with one another at the ends close to the center of the track disc to form a T-shaped through groove.

Furthermore, a second light-blocking plate is fixedly mounted at the bottom of the sliding block, a second photoelectric switch matched with the second light-blocking plate is fixedly mounted at the bottom of the track disc, and the second photoelectric switch is electrically connected with the circuit board.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

(1) The utility model discloses a set up three group and detect a flaw subassembly slidable mounting on the track dish, utilize reciprocal driving motor and gear drive subassembly to drive the slider and be reciprocating motion along the spout to the automation of realizing detecting a flaw the subassembly is swept and is looked into, solves artifical handheld probe and is reciprocating motion operation's instability, effectively avoids sweeping simultaneously and looks into the blind area, improves testing result's accuracy.

(2) The utility model discloses gear drive subassembly drives two adjacent third gear rotations through first gear, thereby drive two second gear rotations of both sides and third gear engagement, and then drive another second gear rotation through two fourth gears, because the eccentric connection piece that links to each other with the slider that is equipped with on the second gear, thereby realize driving probe assembly and remove along the spout, through the initial position that sets up three group's second gears, when can realizing that two sets of probe assemblies are combined motion, track dish center is kept away from to another group's probe assembly, when two sets of probe assemblies were the motion of leaving, another group's probe assembly is close to track dish center, thereby guarantee probe assembly's motion mutually noninterference.

(3) The utility model discloses a circumference driving motor drives fifth gear revolve to drive the sixth gear for the ring gear rotates, because the ring gear is immovable, the fixed plate be coaxial rotation install in the casing and with track dish fixed connection, when circumference driving motor during operation, drive the track dish and rotate, thereby realize that the probe subassembly is circular motion when reciprocating motion, further improve and sweep the precision of looking into.

(4) The utility model has a shell body composed of an upper shell, a lower shell and a cover plate which is movably arranged, which is convenient for disassembly and assembly; the fixing plate can stably rotate relative to the shell by arranging the bearing.

(5) The utility model discloses a set up first photoelectric switch and the first barn door of mutually supporting, ensure fixed plate rotation a week, guarantee that the shaft terminal surface can be swept comprehensively and look into.

(6) The utility model discloses be equipped with line mouth, through-hole and outlet respectively at the center of track dish, fixed plate and casing bottom, form probe unit's test wire walk the line passageway, realize that the test wire directly links outside ultrasonic equipment, pass through the switching mode for traditional test wire and connect ultrasonic equipment, more accurate when carrying out the calibration of probe unit.

(7) The utility model discloses a set up the reference column at the center, be convenient for the disect insertion shaft end face in the centre bore to guarantee that casing up end and shaft end face are aligned, convenient to use.

(8) The utility model discloses a second photoelectric switch uses with the cooperation of second fender board, effectively guarantees that probe assembly carries out complete periodic reciprocating motion, avoids lou examining, improves the degree of accuracy of detecting a flaw.

(9) The utility model discloses a set up magnet, detect when detecting a flaw and directly adsorb at the shaft terminal surface constantly, convenient to use need not artifical long-time handheld, alleviates testing personnel intensity of labour.

(10) The utility model discloses the spout forms T type and leads to the groove, and processing is convenient, reduce cost.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings, in which:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal transmission structure of the present invention;

fig. 4 is a schematic structural view of the track disc of the present invention.

The reference numbers in the drawings are:

the device comprises a shell 1, an upper shell 1-1, a lower shell 1-2, a cover plate 1-3, a support rod 1-4, a first light barrier 1-5, a wire outlet 1-6, a track disc 2, a chute 2-1, a second photoelectric switch 2-2, a fixing plate 3, a first photoelectric switch 3-1, a through hole 3-2, a magnet 4, a flaw detection assembly 5, a power module 6, a circuit board 7, a reciprocating drive motor 8, a slider 9, a second light barrier 9-1, a first gear 10, a second gear 11, a third gear 12, a fourth gear 13, a connecting sheet 14, a bearing 15, a gear ring 16, a connecting plate 17, a circumferential drive motor 18, a fifth gear 19, a sixth gear 20, a threading pipe 21, a support 22, a positioning column 23, a handle 24 and a ground cushion ring 25.

Detailed Description

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

(example 1)

The end face ultrasonic flaw detection device shown in fig. 1 to 4 includes a housing 1, and a track disc 2 and a fixing plate 3 coaxially installed in the housing 1, wherein the track disc 2 and the fixing plate 3 are fixedly connected by four hexagonal aluminum rods arranged in parallel. The upper end face of the shell 1 is evenly embedded with a plurality of magnets 4 along the circumferential direction, and the magnets can be directly adsorbed on the end face of the wheel shaft to be detected, so that the instability of reciprocating movement operation of a manual handheld probe is solved. Three groups of sliding grooves 2-1 distributed along the radial direction are formed in the track disc 2, a group of flaw detection assemblies 5 are arranged in each sliding groove 2-1 in a sliding mode, a power module 6, a circuit board 7 and a reciprocating driving motor 8 which are sequentially and electrically connected are fixedly arranged on the lower end face of the fixing plate 3, a gear transmission assembly connected with the output end of the reciprocating driving motor 8 is arranged on the upper end face of the fixing plate, the battery module 6 adopts a battery pack, a sliding block 9 which penetrates through the sliding grooves 2-1 and is connected with the output end of the gear transmission assembly is fixedly arranged at the bottom of the flaw detection assembly 5, the gear transmission assembly is driven by the reciprocating driving motor 8 to drive the sliding block 9 to achieve reciprocating motion of the flaw detection assemblies 5, automatic scanning is achieved, scanning dead zones are effectively avoided, and accuracy of detection results is improved.

Specifically, the shell 1 comprises an upper shell 1-1 and a lower shell 1-2 which are fixedly connected through screws and a cover plate 1-3 which is movably arranged at the bottom of the lower shell 1-2, wherein four support rods 1-4 are fixedly arranged between the cover plate 1-3 and the fixing plate 3, so that the assembly and disassembly are convenient, and the production, assembly and later maintenance are convenient.

The gear transmission assembly comprises a first gear 10, three second gears 11, two third gears 12, two fourth gears 13 and three connecting pieces 14, wherein the first gear 10 is coaxially and fixedly installed at the output end of the reciprocating driving motor 8, the second gears 11, the third gears 12 and the fourth gears 13 are all rotatably installed on the fixing plate 3 and are arranged in a closed loop in a surrounding mode according to the arrangement sequence of the first gear 10, the third gears 12, the second gears 11, the fourth gears 13, the second gears 11 and the third gears 12 and are sequentially meshed with one another, and meanwhile, the three second gears 11 are respectively located right below the sliding grooves 2-1. One end of each of the three connecting pieces 14 is eccentrically and rotatably mounted on the three second gears 11, and the other end of each of the three connecting pieces is rotatably connected with the three sliders 9. Two adjacent third gears 12 are driven to rotate by the first gear 10, so that two second gears 11, two sides of which are meshed with the third gears 12, are driven to rotate, and then the other second gear 11 is driven to rotate by the two fourth gears 13, so that the connecting piece 14 drives the sliding block 9 to drive the probe assembly 5 to move along the sliding groove 2-1. The one end that three group's spouts 2-1 of this embodiment is close to track dish 2 center communicates each other and forms T type logical groove, when reducing the processing degree of difficulty, make probe unit 5's stroke maximize, through setting for the initial position of three group's second gear 12, can realize that two sets of probe unit 5 are when doing the concerted motion, track dish center is kept away from to another group of probe unit 5, when two sets of probe unit 5 are the phase separation motion, another group of probe unit 5 is close to track dish center and finally is located same straight line with other two sets of probe unit 5, not only guarantee probe unit 5's motion mutual noninterference, compare with the detection device of two probes or four probes simultaneously, stop the scanning blind area of center department.

The bottom of the sliding block 9 is fixedly provided with a second light blocking plate 9-1, the bottom of the track disc 2 is fixedly provided with a second photoelectric switch 2-2 matched with the second light blocking plate 9-1, and the second photoelectric switch 2-2 is electrically connected with the circuit board 7, so that the probe assembly 5 is effectively ensured to perform reciprocating motion in a complete period, the omission is avoided, and the flaw detection accuracy is improved.

In order to further improve the comprehensiveness of the scanning surface of the probe assembly 5, a bearing 15 is disposed between the fixed plate 3 and the upper shell 1-1, wherein an inner ring of the bearing 15 is connected to the fixed plate 3, and an outer ring thereof is connected to the upper shell 1-1, so that the fixed plate 3 is coaxially and rotatably disposed in the shell 1. A gear ring 16 is fixedly arranged on the inner wall of the upper shell 1-1, a connecting plate 17 is fixedly arranged at the bottom of the fixing plate 3, a circumferential driving motor 18 electrically connected with the circuit board 7 is fixedly arranged on the connecting plate 17, a fifth gear 19 is coaxially and fixedly arranged at the output end of the circumferential driving motor 18, and a sixth gear 20 rotatably arranged on the connecting plate 17 is arranged between the fifth gear 19 and the gear ring 16 in a meshing manner. The circumference driving motor 18 drives the fifth gear 19 to rotate, so that the sixth gear 20 is driven to rotate relative to the gear ring 16, and as the gear ring 16 is fixed, when the circumference driving motor 18 works, the track disc 2 is driven to rotate relative to the shell 1, so that the probe assembly 5 does reciprocating motion and does circular motion at the same time, and the scanning precision is improved. A first photoelectric switch 3-1 electrically connected with the circuit board 7 is fixedly arranged below the fixing plate 3, and a first light barrier 1-5 matched with the first photoelectric switch 3-1 is fixedly arranged on the inner wall of the upper shell 1-1, so that the fixing plate 3 can rotate for a complete circle, and the end face of the wheel shaft can be comprehensively scanned.

Because three groups of chutes 2-1 of this embodiment are communicated with each other, a wire running port suitable for the wire arrangement of the flaw detection assembly 5 is formed at the center, the through hole 3-2 is formed at the center of the fixing plate 3, and the wire outlet 1-6 is formed at the center of the bottom of the shell 1, so that a wire running channel of the test wire of the probe assembly 5 is formed, the test wire is directly connected with external ultrasonic equipment, and the test wire is more accurate when the probe assembly 5 is calibrated compared with the traditional test wire which is connected with the ultrasonic equipment in a switching mode. A threading pipe 21 is connected between the through hole 3-2 and the wire outlet 1-6 to ensure the neat wire arrangement.

Fixed mounting has support 22 on the track dish 3, and the one end of support 22 extends to the center of track dish 3 and fixed mounting has the reference column 23 of protrusion casing 1 up end, is convenient for the direct insertion in the centre bore of shaft terminal surface to guarantee that casing 1 up end and shaft terminal surface are aligned, convenient to use.

In order to take conveniently, the outer wall of the shell 1 is fixedly provided with a handle 24, and in addition, the outer peripheral surface of the bottom of the shell 1 is also provided with a ground gasket 25, so that when the shell is vertically placed, the vibration of the contact surface can be effectively relieved, the probe assembly 5 in the shell 1 is protected, and the flaw detection precision is ensured.

But this embodiment direct absorption is on the shaft terminal surface that awaits measuring, solves artifical handheld operation's instability, and probe subassembly is equipped with three groups, can be reciprocating motion simultaneously, through gear drive assembly's setting, guarantees mutual noninterference and according to predetermined orbit motion, avoids leaking the inspection condition owing to detect a flaw subassembly self size restriction and the wheel end center that appears, improves the precision of detecting a flaw, and meanwhile, the whole rotation of track dish 3 effectively avoids appearing sweeping the accuracy that looks into the blind area and improve the testing result.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An end face ultrasonic flaw detection device characterized in that: including casing (1) and coaxial arrangement in casing (1) and fixed track dish (2) and fixed plate (3) that link to each other of interval are fixed, set up three groups on track dish (2) along spout (2-1) of radial distribution, three groups there are subassembly (5) of detecting a flaw in spout (2-1) respectively slidable mounting, install power module (6), circuit board (7) and reciprocating drive motor (8) that electricity is connected in proper order on fixed plate (3) to and the gear drive subassembly that links to each other with reciprocating drive motor (8) output, the bottom fixed mounting of subassembly (5) of detecting a flaw runs through spout (2-1) and slider (9) that link to each other with gear drive assembly's output, reciprocating drive motor (8) are suitable for drive gear drive subassembly and drive slider (9) reciprocating motion.

2. An end-face ultrasonic testing apparatus according to claim 1, characterized in that: the gear transmission assembly comprises a first gear (10) and three groups of gears, wherein the first gear (10) and the three groups of gears are fixedly installed at the output end of a reciprocating driving motor (8) and are rotatably installed on a fixing plate (3) and positioned on second gears (11) under sliding chutes (2-1), a third gear (12) rotatably installed on the fixing plate (3) is meshed between the first gear (10) and two second gears (11) positioned on two sides, a fourth gear (13) rotatably installed on the fixing plate (3) is meshed between the other second gear (11) and two second gears (11) positioned on two sides, a connecting piece (14) is eccentrically installed on the second gear (11) in a rotating mode, and the other end of the connecting piece (14) is rotatably connected with a sliding block (9).

3. An end-face ultrasonic testing apparatus according to claim 1, characterized in that: casing (1) is located in fixed plate (3) coaxial rotation, the fixed ring gear (16) that is equipped with of inner wall of casing (1), the bottom fixed mounting of fixed plate (3) has connecting plate (17), fixed mounting has circumference driving motor (18) of being connected with circuit board (7) electricity on connecting plate (17), the coaxial fixed mounting of output of circumference driving motor (18) has fifth gear (19), the meshing is equipped with between fifth gear (19) and ring gear (16) and rotates and install sixth gear (20) on connecting plate (17).

4. An end-face ultrasonic testing apparatus according to claim 3, characterized in that: the shell (1) comprises an upper shell (1-1) and a lower shell (1-2) which are fixedly connected and a cover plate (1-3) which is movably arranged at the bottom of the lower shell (1-2), wherein a support rod (1-4) is fixedly connected between the cover plate (1-3) and the fixing plate (3); a bearing (15) is arranged between the fixed plate (3) and the upper shell (1-1), the inner ring of the bearing (15) is connected with the fixed plate (3), and the outer ring of the bearing is connected with the upper shell (1-1).

5. An end face ultrasonic testing apparatus according to claim 3, characterized in that: a first photoelectric switch (3-1) electrically connected with the circuit board (7) is fixedly mounted below the fixing plate (3), and a first light barrier (1-5) matched with the first photoelectric switch (3-1) is fixedly mounted on the inner wall of the shell (1).

6. An end-face ultrasonic testing apparatus according to claim 1 or 3, wherein: three sets of spout (2-1) are close to the one end at track dish (2) center and communicate each other and form the line mouth of being suitable for the subassembly (5) winding displacement of detecting a flaw, the center of fixed plate (3) is equipped with through-hole (3-2), the bottom center of casing (1) is equipped with outlet (1-6), be connected with through wires pipe (21) between through-hole (3-2) and outlet (1-6).

7. An end-face ultrasonic testing apparatus according to claim 1 or 3, characterized in that: fixed mounting has support (22) on track dish (2), the one end of support (22) extends to track dish (2) center and fixed mounting has reference column (23) of protrusion casing (1) up end.

8. An end-face ultrasonic testing apparatus according to claim 1, characterized in that: a second light blocking plate (9-1) is fixedly installed at the bottom of the sliding block (9), a second photoelectric switch (2-2) matched with the second light blocking plate (9-1) is fixedly installed at the bottom of the track disc (2), and the second photoelectric switch (2-2) is electrically connected with the circuit board (7).

9. An end face ultrasonic testing apparatus according to claim 1, characterized in that: the upper end surface of the shell (1) is evenly embedded with a plurality of magnets (4) along the circumferential direction.

10. An end-face ultrasonic testing apparatus according to claim 1, characterized in that: and the three groups of chutes (2-1) are communicated with one another at one ends close to the center of the track disc (2) to form a T-shaped through groove.