Rapid quality inspection device for newly-manufactured wheels

Abstract

The invention discloses a new wheel rapid quality inspection device, and relates to the technical field of wheel set detection, the new wheel rapid quality inspection device comprises a chassis, a motor fixing device, a wheel quality detection device and a wheel fixing device, the wheel fixing device is installed at the upper end of the wheel quality detection device, and the wheel fixing device and the wheel quality detection device are coaxially arranged; the wheel quality detection device is installed on the bearing fixing device, the bearing fixing device is installed in the middle of the bottom frame through bolts, the wheel surface detection device is arranged between the bottom frame and the motor fixing device, and the wheel surface detection device is arranged on the periphery of the wheel quality detection device. According to the new wheel rapid quality inspection device, the quality, the rotational inertia and the surface shape of the detected wheel can be detected at the same time, the detection period is shortened, the detection efficiency is improved, and the detection result is accurate.

Description

Technical Field

[0001] The invention relates to the technical field of wheel set detection, in particular to a rapid quality inspection device for newly manufactured wheels. Background Art

[0002] With the rapid development of my country's high-speed railways, more and more high-speed trains are put into use. As a key part of high-speed trains, wheelsets need to be strictly inspected after they are produced. The quality of wheels has a great impact on the running quality of vehicles. For vehicles running on track, the wear of their wheels will cause the roundness of the wheels to deteriorate, causing running shock, reducing passenger comfort, and reducing the life of related parts. During the operation of rail trains, wheels are the only parts that contact the vehicle and the track. They rotate at high speed and work in a harsh environment. The accuracy of their shape accuracy and moment of inertia has an important impact on the working life of the wheels and must be guaranteed. An important way to ensure a long service life of wheels and safe and stable operation on track is to conduct scientific and effective inspections after the wheels are newly manufactured or rotated. How to quickly complete the detection of wheel shape and moment of inertia, that is, how to quickly detect the tread shape and moment of inertia parameter value of the wheels and verify them is the key to improving production efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a new wheel rapid quality inspection device, which can quickly and comprehensively inspect the wheels newly off the production line, reduce the inspection cycle and improve the inspection efficiency.

[0004] To achieve the above-mentioned purpose, the present invention provides a new wheel rapid quality inspection device, including a chassis, a motor fixing device, a wheel quality detection device and a wheel fixing device, the wheel fixing device is installed at the upper end of the wheel quality detection device and is coaxially arranged with the wheel quality detection device, the wheel quality detection device is installed on a bearing fixing device, and the bearing fixing device is installed in the middle of the chassis by bolts, a wheel surface detection device is arranged between the chassis and the motor fixing device, and the wheel surface detection device is arranged around the wheel quality detection device.

[0005] Preferably, the wheel quality detection device includes a spoke wheel pressure sensor and a gear transmission disc, the upper end of the gear transmission disc is provided with a disc groove, and the disc groove is provided with a plurality of disc grooves, and the plurality of disc grooves are connected to the spoke wheel pressure sensor, and a brass washer is installed above the spoke wheel pressure sensor, and the upper part of the brass washer is connected to the groove wheel transmission device; the lower end of the gear transmission disc is installed on the bearing fixing device.

[0006] Preferably, the bearing fixing device includes an external bearing fixing component, a double-row tapered roller bearing and an internal bearing fixing component, the internal bearing fixing component is connected to the bottom of the gear transmission disc, and carries the telescopic device, the double-row tapered roller bearing is arranged between the internal bearing fixing component and the external bearing fixing component, and the external bearing fixing component is fixed to the base frame by the bolts.

[0007] Preferably, the grooved wheel transmission device includes a connecting pin and a groove-type chuck, the groove-type chuck is provided with a connecting pin groove, the connecting pin groove is connected to the connecting pin, the lower end of the connecting pin is connected to the gear transmission disc, the upper end of the connecting pin is connected to the chuck, the middle part of the chuck is connected to the tension sensor, and the end of the chuck is connected to the groove through a nut.

[0008] Preferably, the wheel fixing device includes a mechanical claw, a mechanical claw base is provided at the bottom of the mechanical claw, the mechanical claw base is installed in a sliding groove provided on the groove-type chuck and moves along the sliding groove, a slide plate is provided in the sliding groove, the slide plate is provided at the bottom of the mechanical claw and carries the wheel, a protruding disc is provided on the upper part of the mechanical claw, the protruding disc moves along the surface of the wheel hub, and an inner ring inclined surface is provided inside the mechanical claw.

[0009] Preferably, a circular protrusion is provided on the base of the mechanical claw, and the circular protrusion is adapted to the circular groove provided on the wheel center fixed horizontal stopper, the lower end of the wheel center fixed horizontal stopper is connected to the groove-type chuck, the wheel center fixed horizontal stopper is connected to the wheel center fixed clamping piece by fixing bolts, and the two ends of the wheel center fixed clamping piece are connected to the groove-type chuck by fixing screws.

[0010] Preferably, the telescopic device includes a hydraulic cylinder, an M20 screw and a top block, one end of the top block is fixedly connected to the M20 screw, the other end of the top block is connected to the hydraulic cylinder through a stud column, and the hydraulic cylinder is connected to the shaft tube of the gear transmission disc.

[0011] Preferably, the wheel surface detection device includes a support and a laser displacement sensor, wherein the laser displacement sensor is arranged at the top of the support, facing the tread of the wheel, and the support is installed around the wheel fixing device.

[0012] Preferably, the motor fixing device includes a motor, a motor fixing seat and a gear disc, the gear disc is parallel and meshed with the gear transmission disc, the gear disc is installed on the top of the motor, the motor is installed inside the motor fixing seat through a nut, and the motor fixing seat is arranged on the outside of the wheel fixing device.

[0013] Therefore, the present invention adopts the above-mentioned new wheel rapid quality inspection device, which can simultaneously detect the mass, moment of inertia and surface shape of the inspected wheel, reduce the detection cycle, improve the detection efficiency, and ensure accurate detection results; the wheel is fixed by a wheel fixing device and can be adjusted according to different sizes, which is easy to use and highly practical.

[0014] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment of a new wheel rapid quality inspection device of the present invention; Figure 2 It is a schematic structural diagram of the load-bearing wheel of the present invention; Figure 3 It is a structural schematic diagram of the wheel surface detection device of the present invention; Figure 4 It is a structural schematic diagram of the bearing fixing device of the present invention; Figure 5 It is a structural schematic diagram of the wheel quality detection device of the present invention; Figure 6 It is a structural schematic diagram of the wheel fixing device of the present invention; Figure 7 This is a schematic diagram of the structure of the connection of the clamp head of the present invention; Figure 8 This is a schematic diagram of the tightening part of the mechanical claw of the present invention; Fig. 9 It is a schematic diagram of the structure of the telescopic device of the present invention; Fig.10 This is a schematic diagram of the structure of the motor fixing device of the present invention; Fig.11 It is a schematic diagram of the motor structure of the present invention; Reference numerals 1. Wheel surface detection device; 11. Surface detection device base; 12. Pillar; 13. Locking screw; 14. Laser displacement sensor; 2. Chassis; 3. Bearing fixing device; 31. Hexagonal nut; 32. Double-row tapered roller bearing; 33. Upper baffle of bearing external fixing device; 34. Lower baffle of bearing external fixing device; 35. Bearing internal fixing component; 4. Wheel quality detection device; 41. Gear transmission disc; 42. Spoke wheel pressure sensor; 43. Brass washer; 44. Shaft cylinder; 5. Wheel fixing device; 51. Connecting pin; 52. Nut; 53. Tension sensor; 54. Chuck; 55. Fixing screw; 56. Sliding groove; 57. Wheel center fixing block; 58. Hexagonal bolt; 59. Wheel center fixing Horizontal stopper; 510, slotted chuck; 511, circular groove; 512, mechanical claw; 513, circular protrusion; 514, mechanical claw base; 515, protruding disc; 516, connecting pin groove; 517, internal bevel; 6, telescopic device; 61, hydraulic cylinder; 62, hydraulic cylinder shaft; 63, double-headed column chuck; 64, top stopper; 65, fixing bolt; 66, M20 screw; 67, double-headed column; 7, motor fixing device; 71, column; 72, motor fixing box; 73, motor transmission gear; 74, fixing nut; 75, motor; 76, gusset plate; 77, gear cover; 78, screw; 79, motor fixing seat; 710, motor threaded hole; 711, flat key; 712, motor output shaft; 8, wheel. DETAILED DESCRIPTION

[0016] The technical solution of the present invention is further described below through the accompanying drawings and embodiments.

[0017] Unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0018] Example See also Figure 1-11 ,like Figure 1As shown, the present invention proposes a new wheel rapid quality inspection device comprising a wheel surface inspection device 1, a chassis 2, a wheel quality inspection device 4, a wheel fixing device 5, a motor fixing device 7, and a telescopic device 6. For the convenience of description, the following is introduced. Figure 1 The spatial rectangular coordinate system in represents the orientation, wherein the direction indicated by X represents the rear, the direction indicated by Y represents the left, and the direction indicated by Z represents the top.

[0019] like Figure 3 As shown, the wheel surface detection device 1 is arranged on the outside of the wheel fixing device 5, and the wheel quality detection device 1 includes a pillar 12, a laser displacement sensor 14, and a locking screw 13. The four laser displacement sensors 14 are arranged in a rectangular shape, and the pillars 12 of the laser displacement sensor 14 are embedded in the gap between the motor fixing device 7 and the wheel fixing device 5, making the device more compact. A surface detection device base 11 is provided at the bottom end of the pillar. The pillar 12 supporting the laser displacement sensor 14 is retractable, and the retractable part of the pillar 12 can be adjusted according to the different parts of the wheel tread to be measured. The retractable part is composed of a thinner rod at one end of the laser displacement sensor 14 inserted into a thick rod and a locking screw 13 at the bottom. The locking screw 13 is connected to the outer thick rod through a thread, and at the same time, it is pressed against the inserted thick rod to achieve a locking effect.

[0020] like Figure 4 As shown, the chassis 2 of the wheel rapid quality inspection device is located on a horizontal plane and is kept vertical to the ground, wherein the bearing fixing device 3 is installed in the middle of the chassis, and the bearing fixing device 3 includes a bearing external fixing component, a double-row tapered roller bearing 32 and a bearing internal fixing component 35, and the bearing external fixing component includes an upper baffle plate 33 of the bearing external fixing device and a lower baffle plate 34 of the bearing external fixing device, and the upper and lower baffle plates of the bearing external fixing component are respectively installed in parallel at the upper and lower parts of the chassis 2 and fixed by hexagonal nuts 31. The bearing internal fixing component 35 is installed at the bottom of the gear transmission disc 41 to carry the telescopic device 6. The double-row tapered roller bearing 32 is installed on the upper part of the bearing internal fixing component 35, between the bearing external fixing component and the gear transmission disc 41, to bear the large axial force and radial force generated by the telescopic device 6, and ensure the up and down movement of the telescopic device 6.

[0021] like Figure 5As shown, the wheel quality detection device 4 is arranged on the upper part of the bearing fixture 3, and the wheel quality detection device 4 includes a shaft cylinder 44, a gear drive disc 41, a spoke wheel pressure sensor 42 and a brass washer 43. The shaft cylinder 44 is installed inside the double-row tapered roller bearing 32, and the position of the gear drive disc 41 is parallel to the horizontal plane. The gear drive disc 41 is installed between the bearing fixture 3 and the grooved chuck 510, and can rotate around the telescopic device 6. Four spoke wheel pressure sensors 42 are arranged on the upper part of the gear drive disc 41, and are kept vertically with the gear drive disc 41. A brass washer 43 is arranged on the upper part of the spoke wheel pressure sensor 42. The brass washer 43 is used to protect the spoke wheel pressure sensor 42 and avoid direct contact. When the detected wheel 8 is installed on the wheel fixture 5, its weight will be displayed on the spoke wheel pressure sensor 42, and the mass of the detected wheel 8 will be read.

[0022] like Figure 6 As shown, the wheel fixing device 5 is installed on the upper part of the wheel quality detection device 4 and is installed coaxially with the wheel quality detection device 4. Figure 6 , Figure 7 As shown, the gear transmission disc 41 and the grooved chuck 510 are connected by a connecting pin 51 in a connecting pin groove 516 in the front. One end of the connecting pin 51 is fixed in a hole in the gear transmission disc 41, and the other end is hinged to a chuck 54. A tension sensor 53 is provided in the middle of the chuck 54. When the gear transmission disc 41 rotates, the grooved chuck 510 is driven to rotate, which is convenient for calculating the moment of inertia. The upper part of the clamping head 54 is fixed by a nut 52, and the other end of the clamping head 54 is fixed to the clamping groove of the groove-type clamping disc 510. The groove-type clamping disc 510 is provided with four sliding grooves 56, and there are four sliding grooves 56. Mechanical claws 512 are installed inside the four sliding grooves 56. A mechanical claw base 514 is provided at the bottom of the mechanical claw 512, and its width is consistent with the width of the base. The mechanical claw base 514 can move along the sliding groove 56. There is a circular protrusion 513 in the middle of the mechanical claw base 514, and the circular protrusion 513 is adapted to the circular groove 511 provided on the wheel center fixed horizontal stopper 59. The wheel center fixed horizontal stopper 59 is connected to the wheel center fixed stopper 57 by a hexagonal bolt 58. The left and right ends of the wheel center fixed stopper 57 are fixed to the groove-type clamping disc 510 by fixing screws 55. There is a U-shaped protrusion in the middle of the wheel center fixed stopper 57. The diameter of the circular groove 511 is equal to the circular protrusion 513 of the mechanical claw base 514, and the positions are in the same plane. When the mechanical claw 512 moves, the circular protrusion 513 can directly form a surface contact with the circular groove 511. Fig. 9As shown, the bottom surface of the mechanical clamp 512 forms a surface contact with the wheel 8 to support the wheel 8. The protruding disc 515 of the mechanical clamp 512 contacts the hub of the wheel 8, and the protruding disc 515 is located on the upper part of the hub surface to fix the wheel 8. The inner ring inclined surface 517 is provided inside the mechanical clamp 512 to contact the top stopper 64, which is the path for the top stopper 64 to move downward.

[0023] exist Fig. 9 In the figure, there is a telescopic device 6 of the wheel rapid quality inspection device, and the entire telescopic device 6 is located at the geometric center of the wheel fixing device 5. The hydraulic cylinder 61 is located in the shaft tube 44 of the gear transmission disc 41, so that the hydraulic cylinder 61 can move up and down along the shaft tube 44, and the base of the hydraulic cylinder 61 is connected to the base of the bearing fixing device 3 to bear the weight of the hydraulic cylinder 61. The hydraulic cylinder shaft 62 is arranged on the upper part of the hydraulic cylinder 61 and is perpendicular to the hydraulic cylinder 61. The upper part of the hydraulic cylinder shaft 62 is a double-headed column clamp 63, and the upper part of the double-headed column clamp 63 is a double-headed column 67 and an M20 screw 66. The hydraulic cylinder shaft 62, the double-headed column 67 and the M20 screw 66 are connected together through two double-headed column clamps 63. The connection is fixed with a fixing bolt 65, and an M20 through hole is set in the center of the top stopper 64. The top stopper 64 and the double-headed column clamp 63 are fixed by an M20 screw 66. When the hydraulic cylinder 61 moves up and down, it will also move with the top stopper 64 to fix the wheel 8.

[0024] exist Fig.10 , Fig.11 In the figure, it is the motor fixing device 7 of the whole wheel rapid quality inspection device. The motor fixing seat 79 is located on the right side of the wheel fixing device 5. The motor fixing box 72 adopts a vertical box structure. The two ends of the motor fixing seat 79 are composed of gussets 76. Each column 71 has 4 gussets 76, which are arranged symmetrically on the left and right. The bottom plate of the motor fixing device 7 is welded to the column, and the column is welded to the upper box. The box adopts the form of left and right sealing and opening in the middle to ensure that there is enough strength to support the motor 75. The motor 75 is connected to the box through a fixing nut 74. The transmission of the motor transmission gear 73 relies on the connection of the flat key 711. The fixing of the gear relies on the clamping of the gear cover 77 and the motor 75. That is, the motor threaded hole 710 is made at the top of the motor output shaft 712, and the gear cover 77 is fastened to the motor output shaft 712 by screws 78. The height of the motor transmission gear 73 is consistent with the height of the gear transmission disc 41, and the gears are meshed with each other, and the speed generated by the motor 75 is transmitted to the gear transmission disc 41, driving the wheel 8 to be inspected to run.

[0025] Therefore, the present invention adopts the above-mentioned new wheel rapid quality inspection device, which can simultaneously inspect the mass, moment of inertia and surface shape of the inspected wheel, reduce the inspection cycle, improve the inspection efficiency, and obtain accurate inspection results.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A new wheel rapid quality inspection device, characterized by: It includes a chassis, a motor fixing device, a wheel quality detection device and a wheel fixing device, wherein the wheel fixing device is installed at the upper end of the wheel quality detection device and is coaxially arranged with the wheel quality detection device, the wheel quality detection device is installed on a bearing fixing device, and the bearing fixing device is installed in the middle of the chassis by bolts, a wheel surface detection device is arranged between the chassis and the motor fixing device, and the wheel surface detection device is arranged around the wheel quality detection device.

2. A new wheel rapid quality inspection device according to claim 1, characterized in that: The wheel quality detection device includes a spoke wheel pressure sensor and a gear transmission disc, wherein a disc groove is arranged at the upper end of the gear transmission disc, and a plurality of the disc grooves are arranged, and the plurality of the disc grooves are connected to the spoke wheel pressure sensor, and a brass washer is installed above the spoke wheel pressure sensor, and the upper part of the brass washer is connected to the groove wheel transmission device; the lower end of the gear transmission disc is installed on the bearing fixing device.

3. A new wheel rapid quality inspection device according to claim 2, characterized in that: The bearing fixing device includes an external bearing fixing component, a double-row tapered roller bearing and an internal bearing fixing component. The internal bearing fixing component is connected to the bottom of the gear transmission disc and carries the telescopic device. The double-row tapered roller bearing is arranged between the internal bearing fixing component and the external bearing fixing component. The external bearing fixing component is fixed to the base frame by the bolts.

4. A new wheel rapid quality inspection device according to claim 3, characterized in that: The grooved wheel transmission device includes a connecting pin and a grooved chuck, the grooved chuck is provided with a connecting pin groove, the connecting pin groove is connected to the connecting pin, the lower end of the connecting pin is connected to the gear transmission disc, the upper end of the connecting pin is connected to the chuck, the middle part of the chuck is connected to the tension sensor, and the end of the chuck is connected to the groove through a nut.

5. A new wheel rapid quality inspection device according to claim 4, characterized in that: The wheel fixing device includes a mechanical claw, a mechanical claw base is provided at the bottom of the mechanical claw, the mechanical claw base is installed in a sliding groove provided on the groove-type chuck and moves along the sliding groove, a slide plate is provided in the sliding groove, the slide plate is provided at the bottom of the mechanical claw and carries the wheel, a protruding disc is provided on the upper part of the mechanical claw, the protruding disc moves along the surface of the wheel hub, and an inner ring inclined surface is provided inside the mechanical claw.

6. A new wheel rapid quality inspection device according to claim 5, characterized in that: A circular protrusion is provided on the base of the mechanical clamping claw, and the circular protrusion is adapted to the circular groove provided on the fixed horizontal block of the wheel center, the lower end of the fixed horizontal block of the wheel center is connected to the groove-shaped chuck, the fixed horizontal block of the wheel center is connected to the wheel center fixed clamping piece by fixing bolts, and the two ends of the wheel center fixed clamping piece are connected to the groove-shaped chuck by fixing screws.

7. A new wheel rapid quality inspection device according to claim 6, characterized in that: The telescopic device includes a hydraulic cylinder, an M20 screw and a top block, one end of the top block is fixedly connected to the M20 screw, the other end of the top block is connected to the hydraulic cylinder through a double-headed column, and the hydraulic cylinder is connected to the shaft tube of the gear transmission disc.

8. A new wheel rapid quality inspection device according to claim 7, characterized in that: The wheel surface detection device comprises a support and a laser displacement sensor. The laser displacement sensor is arranged at the top of the support and faces the tread of the wheel. The support is installed around the wheel fixing device.

9. A new wheel rapid quality inspection device according to claim 8, characterized in that: The motor fixing device includes a motor, a motor fixing seat and a gear disc, the gear disc is parallel and meshed with the gear transmission disc, the gear disc is installed on the top of the motor, the motor is installed inside the motor fixing seat through a nut, and the motor fixing seat is arranged on the outside of the wheel fixing device.

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