CN212228846U - Ultrasonic probe wheel test bed - Google Patents

Abstract

The utility model relates to an ultrasonic probe wheel test stand, which comprises a portal frame assembly, a test stand frame, a probe wheel assembly and a rail base angle adjusting device; the gantry assembly is in sliding connection with the test bed; the detection wheel assembly is connected with the portal frame through an adjusting mechanism in an assembling way and horizontally and/or vertically moves above the test bench; the rail foot angle adjusting device is fixed on the test bed and is at least one. The utility model has the advantages that: the utility model discloses ultrasonic wave is visited wheel test bench can directly adorn the spy wheel on the test bench, convenient debugging, mark, the check-up operation need not with the help of external condition, the adjustable spy wheel equipment of portal equipment and adjustment mechanism position for the test block, the installation of spy wheel just once can detect a plurality of states of a plurality of test blocks on the test bench or a test block, avoid visiting the repeated equipment of wheel, the debugging, improve the equipment and the debugging efficiency of spy wheel, the operating efficiency has been improved greatly.

Description

Ultrasonic probe wheel test bed

Technical Field

The utility model relates to an ultrasonic testing field, concretely relates to ultrasonic probe wheel test bench.

Background

Ultrasonic detection is a widely used nondestructive detection method, is widely applied in various fields, and is used for rail ultrasonic detection, wherein a sliding shoe type ultrasonic detection probe and a probe wheel type ultrasonic detection probe are basically adopted between the conventional ultrasonic probe and a detection workpiece. The probe wheel is a novel detection method, has the advantages of high detection speed, reduced abrasion and strong adaptability, and is increasingly emphasized. The double-rail type steel rail ultrasonic flaw detector adopts wheel type flaw detection, greatly improves the detection speed, takes the detection wheel as main equipment of the flaw detector, integrates various technologies such as ultrasound, machinery, electricity, software and the like, and is a key component in the double-rail type steel rail ultrasonic flaw detector.

However, the operation of debugging, calibration and verification of the conventional probe wheel is mainly realized by adopting a mode that the vehicle-mounted probe wheel tests on a large steel rail calibration line, and the mode needs to apply for an operation point according to the requirements of the railway industry, so that the time is difficult to grasp, and the operation of debugging, calibration and verification is low. Therefore, it is necessary to develop a test bed for a steel rail probe wheel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is how to carry out the debugging, the demarcation or the check-up of visiting the wheel under the line.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an ultrasonic probe wheel test bed comprises a portal assembly, a test bed frame, a probe wheel assembly and a rail base angle adjusting device;

the gantry assembly is in sliding connection with the test bed;

the detection wheel assembly is connected with the portal frame through an adjusting mechanism in an assembling way and horizontally and/or vertically moves above the test bench;

the rail foot angle adjusting device is fixed on the test bed and is at least one.

The utility model has the advantages that: the utility model discloses ultrasonic wave is visited wheel test bench can directly adorn the spy wheel on the test bench, convenient debugging, mark, the check-up operation need not with the help of external condition, the adjustable spy wheel equipment of portal equipment and adjustment mechanism position for the test block, the installation of spy wheel just once can detect a plurality of states of a plurality of test blocks on the test bench or a test block, avoid visiting the repeated equipment of wheel, the debugging, improve the equipment and the debugging efficiency of spy wheel, the operating efficiency has been improved greatly.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, adjustment mechanism is including the motion equipment and visit wheel adjustment equipment, the motion equipment set firmly in on the portal frame assembly, the motion equipment with visit wheel adjustment assembly transmission and be connected, and drive visit wheel adjustment assembly and slide on the portal frame assembly, visit the wheel assembly with visit wheel adjustment assembly fixed connection.

Further, the portal equipment includes the portal and is fixed in removal guide rail on the portal, the motion equipment includes a drive mechanism and lead screw, the lead screw rotationally install in on the portal, a drive mechanism with lead screw transmission is connected and can drive its rotation, visit wheel adjustment equipment with lead screw thread drive is connected, and with removal guide rail sliding connection.

The beneficial effect of adopting the further scheme is that: the first driving mechanism drives the lead screw to rotate, so that the probe wheel is adjusted and assembled to move along the movable guide rail, and the position of the probe wheel assembly is adjusted.

Further, visit wheel adjustment assembly including adjustment lead screw and connecting block, the motion equipment with the connecting block transmission is connected, and the drive the connecting block is in slide on the portal assembly, the adjustment lead screw is rotationally vertical to be located visit on the wheel assembly, the middle part of adjustment lead screw with connecting block screw thread transmission is connected.

The beneficial effect of adopting the further scheme is that: the adjusting lead screw is rotated, and the connecting block does not displace in the vertical direction, so that the adjusting lead screw and the connecting block are in threaded transmission, the adjusting lead screw can drive the probe wheel assembly to move up and down, and the height adjustment of the probe wheel assembly is realized.

Furthermore, visit wheel adjustment equipment still includes slewing bearing and support, slewing bearing includes inner circle and outer lane that can rotate relatively, the inner circle with connecting block fixed connection, the outer lane with support fixed connection, the support with visit the wheel equipment and link to each other.

The beneficial effect of adopting the further scheme is that: the probe wheel assembly can rotate relative to the connecting block, so that the probe wheel assembly can rotate horizontally. The detection wheel assembly can be rotated by 180 degrees, and the detection wheel assembly is used for simulating the condition that the detection wheel is assembled on the steel rail and turned around.

Furthermore, the probe wheel adjusting assembly also comprises a positioning plate, the positioning plate is fixedly connected with the inner ring, and the positioning plate is detachably connected with the bracket; or the positioning plate is fixedly connected with the support, and the positioning plate is detachably connected with the inner ring.

The beneficial effect of adopting the further scheme is that: after the probe wheel is assembled and rotated, the positioning plate is connected with the inner ring and the outer ring to lock the inner ring and the outer ring, so that the rotation in the detection process is avoided.

Further, visit wheel adjustment equipment and still include slide rail set spare and visit the wheel connecting plate, slide rail set spare includes sliding connection's first slide rail and second slide rail, first slide rail is vertical to be fixed in on the support, the second slide rail is vertical to be fixed in visit on the wheel connecting plate, visit the wheel connecting plate with visit wheel assembly fixed connection, the adjustment lead screw is rotationally vertical to be located visit on the wheel connecting plate.

The beneficial effect of adopting the further scheme is that: the slide rail assembly provides the direction for visiting the round connecting plate and reciprocating to for visiting round connecting plate and support provide circumference location, drive when making slewing bearing's outer lane and support rotate and visit the round connecting plate synchronous revolution.

Furthermore, the probe wheel adjusting assembly further comprises a lifting driving assembly in transmission connection with the adjusting lead screw.

The beneficial effect of adopting the further scheme is that: thereby the height of the equipment of spy wheel is adjusted in the rotation of lift drive assembly drive adjustment lead screw.

Further, rail base angle adjusting device includes base, support and two locating pieces, the base with test bench fixed connection, the support with the base rotates to be connected and is used for fixed test block, two the locating piece is located respectively the both sides of support, every the locating piece clamp is located the support with between the test bench.

The beneficial effect of adopting the further scheme is that: the rail base angle adjusting device capable of adjusting the angle of the test block relative to the detection wheel assembly is arranged below the standard steel rail damage test block, the left-right deflection and the gradient of the rail base angle in an actual steel rail line can be simulated, and the actual position of the detection wheel assembly relative to the steel rail damage test block is strictly guaranteed.

And the electric control device is arranged on the test bench and is electrically connected with the adjusting mechanism.

Drawings

FIG. 1 is a structural diagram of the ultrasonic probe wheel test bed of the present invention;

FIG. 2 is a diagram of the adjustment assembly and assembly of the probe wheel according to the present invention;

FIG. 3 is a structural diagram of the rail foot angle adjusting device of the present invention;

fig. 4 is a partial enlarged view I of fig. 1 according to the present invention;

fig. 5 is a partial enlarged view II of fig. 1 according to the present invention;

fig. 6 is a partial enlarged view of the probe wheel adjusting assembly of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a gantry assembly 11, a gantry guide rail 12, a gantry upright post 13, a gantry beam,

2. motion assembly, 21, a servo motor, 22, a speed reducer, 23, a coupling, 24, a bearing seat, 25 and a ball screw,

3. a probe wheel adjusting assembly 30, a positioning plate 31, an adjusting hand wheel 32, an adjusting screw rod 33, a connecting block 34, a slewing bearing 35, a bracket 36, a lifting driving assembly 37, a sliding rail assembly 38, a probe wheel connecting plate 39 and a synchronous belt,

4. the test block is made of a material with a certain density,

5. a test bed is arranged on the test bed,

6. an electric control device 61, a control button 62, a display 63, an information processing unit 64, a display instrument 65 and a position sensor,

7. a probe wheel assembly 71, a probe wheel 72 and a centering device,

8. rail foot angle adjusting device 81, base, 82, round pin axle, 83, support, 84, test block clamp plate, 85, locating piece.

Detailed Description

The principles and features of the present invention are described below, with the examples being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention.

As shown in fig. 1 to 6, the present embodiment provides an ultrasonic probe wheel test bed, which includes a gantry assembly 1, a test bed frame 5, a probe wheel assembly 7, and a rail base angle adjusting device 8;

the gantry assembly 1 is in sliding connection with the test bed 5;

the probe wheel assembly 7 is connected with the portal assembly 1 through an adjusting mechanism and horizontally and/or vertically moves above the test bench 5;

the rail foot angle adjusting device 8 is fixed on the test bench 5 and is at least one.

Specifically, the rail base angle adjusting device 8 is used for fixing the test block 4, and the test block 4 is a damaged test block, or a standard test block can be adopted according to the use requirement.

The probe wheel assembly 7 specifically comprises a probe wheel 71 and a centering device 72, and the specific structure and installation mode of the probe wheel assembly 7 can be realized by adopting the prior art. The adjusting mechanism can be directly connected with the probe wheel 71, and can also be connected with the centering device 72 with the probe wheel 71, so that the probe wheel 71 can be conveniently assembled on the flaw detector after being adjusted, errors caused by readjustment of the position of the probe wheel 71 in the assembling process are reduced, and the debugging process of the probe wheel 71 is optimized.

As a further scheme of this embodiment, the adjustment mechanism includes movement assembly 2 and probe wheel adjustment assembly 3, movement assembly 2 set firmly on portal assembly 1, movement assembly 2 with probe wheel adjustment assembly 3 transmission is connected, and drives probe wheel adjustment assembly 3 slides on portal assembly 1, probe wheel assembly 7 with probe wheel adjustment assembly 3 fixed connection.

As a further scheme of this embodiment, the portal assembly 1 includes a portal and a movable guide rail fixed on the portal, the motion assembly 2 includes a first driving mechanism and a lead screw 25, the lead screw 25 is rotatably installed on the portal, the first driving mechanism is in transmission connection with the lead screw 25 and can drive the lead screw to rotate, and the probe wheel adjustment assembly 3 is in threaded transmission connection with the lead screw 25 and is in sliding connection with the movable guide rail.

Specifically, as shown in fig. 1, the portal includes portal columns 12 and portal beams 13, two portal columns 12 are respectively fixed at two ends of the portal beams 13, two portal guide rails 11 parallel to each other are fixed on the test bed 5, the portal guide rails 11 are perpendicular to the plane where the portal is located, and the lower ends of the two portal columns 12 are respectively connected with the corresponding portal guide rails 11 in a sliding manner. The moving guide rail is arranged along the gantry beam 13 and is fixedly connected with the gantry beam 13. The gantry assembly 1 can move on the test bed 5 through the gantry guide rail 11, the test block 4 can be selected as required, and the gantry upright post 12 and the gantry beam 13 are formed by welding steel. Further, two ends of each gantry guide rail 11 are respectively provided with a stop block, and the stop blocks are used for preventing the gantry from falling off from the end parts of the gantry guide rails 11.

Specifically, the test block 4 is perpendicular to the gantry guide rail 11, and the movable guide rail is horizontally arranged and perpendicular to the gantry guide rail 11.

Specifically, first actuating mechanism includes servo motor 21, speed reducer 22 and shaft coupling 23, motion equipment 2 still includes bearing frame 24, servo motor 21 with speed reducer 22 connects gradually, speed reducer 22 passes through shaft coupling 23 with lead screw 25 fixed connection, bearing frame 24 is equipped with two, two bearing frame 24 sets firmly in on the portal, lead screw 25's both ends are passed through respectively bearing frame 24 with the portal rotates to be connected. Preferably, the screw 25 may be a ball screw. The rotation of the screw 25 drives the probe wheel adjusting assembly 3 to move on the movable slide rail, so that the probe wheel 71 in the probe wheel assembly 7 can roll along the test block 4 for detection, and the detection rate of the probe wheel 71 to damage can be calibrated. Alternatively, the first driving mechanism may not be provided with the speed reducer 22, and the servo motor 21 may also be a motor in other common forms.

As a further scheme of this embodiment, as shown in fig. 2, the probe wheel adjusting assembly 3 includes an adjusting screw 32 and a connecting block 33, the moving assembly 2 is in transmission connection with the connecting block 33 and drives the connecting block 33 to slide on the gantry assembly 1, the adjusting screw 32 is rotatably and vertically disposed on the probe wheel assembly 7, and a middle portion of the adjusting screw 32 is in threaded transmission connection with the connecting block 33.

Specifically, the probe wheel adjusting assembly 3 further comprises an adjusting hand wheel 31, and the adjusting hand wheel 31 is fixedly arranged at the upper end of the adjusting screw rod 32.

Specifically, a transmission nut is fixed on the connecting block 33, and the transmission nut is in threaded transmission with the lead screw 25.

As a further scheme of this embodiment, the probe wheel adjusting assembly 3 further includes a rotary support 34 and a bracket 35, where the rotary support 34 includes an inner ring and an outer ring that can rotate relatively, the inner ring is fixedly connected to the connecting block 33, the outer ring is fixedly connected to the bracket 35, and the bracket 35 is connected to the probe wheel assembly 7.

As a further scheme of this embodiment, as shown in fig. 6, the probe wheel adjustment assembly 3 further includes a positioning plate 30, the positioning plate 30 is fixedly connected to the inner ring, and the positioning plate 30 is detachably connected to the bracket 35; or, the positioning plate 30 is fixedly connected with the bracket 35, and the positioning plate 30 is detachably connected with the inner ring.

Specifically, a plurality of first positioning holes are formed in the bracket 35 or the inner ring along the circumferential direction, a second positioning hole is formed in the positioning plate 30, after the inner ring and the outer ring rotate relatively, the second positioning hole is aligned with the first positioning hole in the corresponding position, and then a positioning pin is inserted into the aligned first positioning hole and the aligned second positioning hole to realize positioning, so that the positioning plate 30 is detachably connected with the bracket 35 or the inner ring. Specifically, the positioning plate 30 is in a bar shape, and at least one end of the positioning plate 30 is provided with the second positioning hole.

As a further scheme of this embodiment, the probe wheel adjusting assembly 3 further includes a slide rail assembly 37 and a probe wheel connecting plate 38, the slide rail assembly includes a first slide rail and a second slide rail which are connected in a sliding manner, the first slide rail is vertically fixed on the bracket 35, the second slide rail is vertically fixed on the probe wheel connecting plate 38, the probe wheel connecting plate 38 is fixedly connected with the probe wheel assembly 7, and the adjusting screw 32 is vertically arranged on the probe wheel connecting plate 38 in a rotating manner.

As a further solution of this embodiment, the probe wheel adjusting assembly 3 further includes a lifting driving assembly 36 in transmission connection with the adjusting screw 32.

Specifically, the lifting driving assembly 36 is fixed on the probe wheel connecting plate 38, and the output end of the lifting driving assembly is in transmission connection with the adjusting screw 32 through a synchronous belt 39.

As a further scheme of this embodiment, as shown in fig. 3, the rail base angle adjusting device 8 includes a base 81, a support 83, and two positioning blocks 85, where the base 81 is fixedly connected to the test bed 5, the support 83 is rotatably connected to the base 81 and is used for fixing a test block, the two positioning blocks 85 are respectively disposed on two sides of the support 83, and each positioning block 85 is interposed between the support 83 and the test bed 5.

Specifically, the both sides of base 81 lower part have first journal stirrup respectively, the bottom of support 83 has the second journal stirrup, the support 83 is located on the base 81, just the second journal stirrup passes the base 81 roof is located two between the first journal stirrup, rail foot angle adjusting device 8 still includes round pin axle 82, round pin axle 82 passes one of them first journal stirrup, second journal stirrup and another first journal stirrup in proper order. The support 83 is rotatable about the pin 82. The rail base angle adjusting device 8 further comprises two test block pressing plates 84, and the two test block pressing plates 84 are detachably connected to two sides of the support 83 respectively. When the test block 4 is mounted, the test block 4 is firstly placed on the support 83, then the test block pressing plate 84 is pressed on one side of the test block 4, and then the test block pressing plate 84 and the support 83 are connected. The angle of the test block can be adjusted by rotating the support 83, and after the adjustment is finished, the positioning blocks 85 are inserted into the lower parts of the two sides of the support 83, and the positioning blocks 85 are fixed. The left-right deflection and the gradient of the rail base angle in the actual steel rail line can be simulated, and the actual position of the detection wheel 71 relative to the steel rail damage test block is strictly ensured.

Specifically, a plurality of rail foot angle adjusting devices 8 may be provided, and each test block 4 is fixed by a plurality of rail foot angle adjusting devices 8.

As a further scheme of this embodiment, the test bench further comprises an electric control device 6, and the electric control device 6 is mounted on the test bench 5 and electrically connected with the adjusting mechanism.

Specifically, the electric control device 6 includes a control button 61, a display 62, an information processing unit 63, a display instrument 64 and a position sensor 65, and the control button 61, the display 62, the display instrument 64, the position sensor 65, the servo motor 21 and the lifting drive assembly 36 are all electrically connected to the information processing unit 63. The two position sensors 65 are respectively arranged at two ends of the lead screw 25 and used for detecting signals of the detection wheel assembly 7 moving in place, limiting the stroke of the detection wheel assembly 7 and preventing the motor from overloading and damaging the detection wheel 71. The control button 61 is used for sending an instruction to the information processing unit 63, and the information processing unit 63 receives the instruction and then controls the servo motor 21 or the lifting driving component 36 to work or stop. The information processing unit 63 calculates and processes the rotating speed of the servo motor 21 to obtain the moving speed of the probe wheel assembly 7, and sends the moving speed of the probe wheel assembly 7 to the display instrument 64 for displaying. The information processing unit 63 will be able to detect and control the movement and adjustment of the probe wheel assembly 7 and process the detected information via the information processing unit 63 for display to the operator via the display 62. The above-described control manner of the information processing unit 63 and the information processing manner can be realized by the prior art.

The working process of the ultrasonic probe wheel test bed of the embodiment is as follows:

the test block 4 is arranged on the support 83, the angle of the test block can be adjusted by rotating the support 83, and after the adjustment is finished, the positioning blocks 85 are inserted into the lower parts of the two sides of the support 83 and are fixed with the positioning blocks 85. As shown in fig. 1, a plurality of test blocks 4 may be mounted side by side on the test bed 5.

And pushing the gantry to slide along the gantry guide rail 11 to the test block 4 to be detected. The control button 61 is used for sending an instruction to the information processing unit 63, the information processing unit 63 receives the instruction and then controls the servo motor 21 to work, and the servo motor 21 drives the lead screw 25 to rotate, so that the probe wheel adjusting assembly 3 in threaded transmission connection with the lead screw 25 moves along the lead screw 25 to reach a detection initial position.

The adjusting lead screw 32 is driven to rotate by the adjusting hand wheel 31 or the lifting driving assembly 36, the adjusting lead screw 32 is in threaded transmission connection with the connecting block 33, and the adjusting lead screw 32 drives the probe wheel connecting plate 38 and the probe wheel assembly 7 fixed on the probe wheel connecting plate 38 to move up and down, so that the probe wheel assembly 7 is close to the test block 4 to start detection. When the probe wheel connecting plate 38 moves up and down, the first slide rail and the second slide rail provide vertical guidance. During detection, the servo motor 21 drives the lead screw 25 to rotate, and the detection wheel adjusting assembly 3 moves along the lead screw 25, so that the detection wheel assembly 7 moves along the length direction of the test block 4 for detection.

The detection is completed after the probe wheel assembly 7 moves to the end part of the test block 4, and then the adjusting screw rod 32 can be rotated to enable the probe wheel assembly 7 to be far away from the test block 4, so that the detection is finished or the next test is started.

Furthermore, the connection between the positioning plate 30 and the bracket 35 or the inner ring can be released, the bracket 35 can rotate 180 degrees relative to the inner ring, the situation after the turning around is simulated, and then the positioning plate 30 is connected and positioned with the bracket 35 or the inner ring for detection again. And the times of secondary clamping tests are reduced. Time is saved, and efficiency is improved.

The ultrasonic probe wheel test bed of this embodiment can diversely adjust probe wheel assembly 7 simulates the position relation of probe wheel and test block under various operating mode conditions to obtain data, test the demarcation to the probe wheel.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. An ultrasonic probe wheel test bed is characterized by comprising a portal assembly (1), a test bed frame (5), a probe wheel assembly (7) and a rail base angle adjusting device (8);

the gantry assembly (1) is in sliding connection with the test bench (5);

the probe wheel assembly (7) is connected with the gantry assembly (1) through an adjusting mechanism and horizontally and/or vertically moves above the test bench (5);

the rail base angle adjusting device (8) is fixed on the test bench (5) and is at least one.

2. The ultrasonic probe wheel test bed according to claim 1, wherein the adjusting mechanism comprises a motion assembly (2) and a probe wheel adjusting assembly (3), the motion assembly (2) is fixedly arranged on the gantry assembly (1), the motion assembly (2) is in transmission connection with the probe wheel adjusting assembly (3) and drives the probe wheel adjusting assembly (3) to slide on the gantry assembly (1), and the probe wheel assembly (7) is fixedly connected with the probe wheel adjusting assembly (3).

3. The ultrasonic probe wheel test bed according to claim 2, wherein the gantry assembly (1) comprises a gantry and a moving guide rail fixed on the gantry, the motion assembly (2) comprises a first driving mechanism and a lead screw (25), the lead screw (25) is rotatably mounted on the gantry, the first driving mechanism is in transmission connection with the lead screw (25) and can drive the lead screw to rotate, and the probe wheel adjusting assembly (3) is in threaded transmission connection with the lead screw (25) and is in sliding connection with the moving guide rail.

4. The ultrasonic probe wheel test bed according to claim 2, wherein the probe wheel adjusting assembly (3) comprises an adjusting lead screw (32) and a connecting block (33), the moving assembly (2) is in transmission connection with the connecting block (33) and drives the connecting block (33) to slide on the gantry assembly (1), the adjusting lead screw (32) is rotatably and vertically arranged on the probe wheel assembly (7), and the middle part of the adjusting lead screw (32) is in threaded transmission connection with the connecting block (33).

5. The ultrasonic probe wheel test stand according to claim 4, wherein the probe wheel adjustment assembly (3) further comprises a rotary support (34) and a bracket (35), the rotary support (34) comprises an inner ring and an outer ring which can rotate relatively, the inner ring is fixedly connected with the connecting block (33), the outer ring is fixedly connected with the bracket (35), and the bracket (35) is connected with the probe wheel assembly (7).

6. The ultrasonic probe wheel test bed according to claim 5, wherein the probe wheel adjusting assembly (3) further comprises a positioning plate (30), the positioning plate (30) is fixedly connected with the inner ring, and the positioning plate (30) is detachably connected with the bracket (35); or the positioning plate (30) is fixedly connected with the bracket (35), and the positioning plate (30) is detachably connected with the inner ring.

7. The ultrasonic probe wheel test bed according to claim 5, wherein the probe wheel adjusting assembly (3) further comprises a slide rail assembly (37) and a probe wheel connecting plate (38), the slide rail assembly comprises a first slide rail and a second slide rail which are slidably connected, the first slide rail is vertically fixed on the bracket (35), the second slide rail is vertically fixed on the probe wheel connecting plate (38), the probe wheel connecting plate (38) is fixedly connected with the probe wheel assembly (7), and the adjusting screw rod (32) is rotatably and vertically arranged on the probe wheel connecting plate (38).

8. The ultrasonic probe wheel test stand according to any one of claims 4 to 7, wherein the probe wheel adjustment assembly (3) further comprises a lifting drive assembly (36) in driving connection with the adjustment screw (32).

9. The ultrasonic probe wheel test bed according to claim 1, wherein the rail base angle adjusting device (8) comprises a base (81), a support (83) and two positioning blocks (85), the base (81) is fixedly connected with the test bed (5), the support (83) is rotatably connected with the base (81) and used for fixing a test block, the two positioning blocks (85) are respectively arranged on two sides of the support (83), and each positioning block (85) is clamped between the support (83) and the test bed (5).

10. An ultrasonic probe test stand according to any of claims 1 to 7 or 9, further comprising an electrical control device (6), wherein the electrical control device (6) is mounted on the test stand (5) and electrically connected to the adjustment mechanism.

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