CN112924201A - Truck wheel bearing detection machine - Google Patents
Truck wheel bearing detection machine Download PDFInfo
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- CN112924201A CN112924201A CN202110124186.1A CN202110124186A CN112924201A CN 112924201 A CN112924201 A CN 112924201A CN 202110124186 A CN202110124186 A CN 202110124186A CN 112924201 A CN112924201 A CN 112924201A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
- G01M17/10—Suspensions, axles or wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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Abstract
本发明公开了一种货车车轮轴承检测机，包括平行设置的钢轨、设置在钢轨之间的第一定位推动架和若干第二定位推动架，轮对设置在钢轨上沿钢轨运动，轮对的两侧设有轴承，第二定位推动架与第一定位架结构相同，呈90度布置，其中，第一定位推动架和第二定位推动架推动轮对向前运动；第二定位推动架两侧位于钢轨两侧分别设有轴承下座转体，车轮轴承下座转体上方设有轴承上座旋转台，轴承上座旋转台和轴承下座转体配合将轮对上的轴承进行对夹，轴承下座转体的两侧分别设有滑台组件，滑台组件上安装橡胶轮，橡胶轮在轴承检测时，驱动车轮进行旋转。本发明可对不同型号车轮和轴承进行检测，而且一次同时检测两组车轮中四套轴承。
The invention discloses a truck wheel bearing testing machine, comprising steel rails arranged in parallel, a first positioning push frame and a plurality of second positioning push frames arranged between the steel rails. The wheelset is arranged on the steel rail and moves along the steel rail. Bearings are provided on both sides, and the second positioning push frame has the same structure as the first positioning frame and is arranged at a 90-degree angle, wherein the first positioning push frame and the second positioning push frame push the wheel pair to move forward; There are bearing lower seat swivels on both sides of the rail, and a bearing upper seat swivel is arranged above the wheel bearing lower seat swivel. The bearing upper seat swivel and the bearing lower seat swivel cooperate to clamp the bearings on the wheel set. Two sides of the lower seat swivel are respectively provided with sliding table components, and rubber wheels are installed on the sliding table components, and the rubber wheels drive the wheels to rotate when the bearing is detected. The invention can detect different types of wheels and bearings, and simultaneously detect four sets of bearings in two groups of wheels at one time.
Description
Technical Field
The invention belongs to the technical field of bearing detection, and particularly relates to a wagon wheel bearing detector.
Background
The bearing is the main supporting part of the railway wagon wheel, and the running state of the bearing is directly related to the safety of railway transportation. The state stipulates that all wheel set bearings run for a certain time and must be overhauled in the vehicle section. Therefore, the workload of detecting the bearings of the truck is large.
In a traditional bearing detection field of a truck wheel pair, experienced detection workers rotate bearings arranged at two ends of a wheel pair shaft by hands, and judge whether the bearings have faults or not according to experience. Statistics shows that the common bearing fault forms are as follows: outer ring damage, inner ring damage, rolling cone damage, cage cracking, chipping, and the like. The above shows that the labor intensity of manual detection is high, the detection reliability is easily influenced by human factors, and the production rate is not high.
Disclosure of Invention
The invention aims to provide a wagon wheel bearing detector which can simultaneously detect four sets of bearings in two sets of wheels at one time. The bearing pedestal rotating platform can be used for rotatably switching three bearing pedestals with different specifications to adapt to bearings with different models.
In order to achieve the purpose, the invention provides the following scheme:
a truck wheel bearing detector comprises steel rails arranged in parallel, a first positioning pushing frame and a plurality of second positioning pushing frames, wherein the first positioning pushing frame and the plurality of second positioning pushing frames are arranged between the steel rails; the second location promotes frame both sides and is located the rail both sides are equipped with the bearing lower base respectively and rotate, wheel bearing lower base is rotated the top and is equipped with the bearing upper base revolving stage, the bearing upper base revolving stage with the cooperation of rotating of bearing lower base will the bearing on the wheel pair is to pressing from both sides, the both sides that the bearing lower base was rotated are equipped with the slip table subassembly respectively, install the rubber wheel on the slip table subassembly, the rubber wheel is detected at the bearing, and driving wheel rotates.
Furthermore, the steel rails comprise a first steel rail and a second steel rail, the second steel rail is arranged at the lower seat swivel body of the bearing, the second steel rail is disconnected with the first steel rail, a steel rail guide frame is arranged below the second steel rail, and the steel rail guide frame is used for driving the second steel rail to move up and down.
Further, first location propelling movement frame with second location propelling movement frame includes the locating rack bottom plate, installs pedal frame on the locating rack bottom plate, the locating rack bottom plate is equipped with two sets of location propelling movement frame jacking subassemblies of central symmetry, location propelling movement frame jacking subassembly includes first pneumatic cylinder, location propelling movement frame apron is connected at first pneumatic cylinder top, location propelling movement frame apron is connected perpendicularly with location propelling movement frame push pedal, location propelling movement frame push pedal side connection location propelling movement frame slider, location propelling movement frame slider with location propelling movement frame slide rail cooperation, location propelling movement frame slide rail links firmly and connects on location propelling movement frame stand, pedal frame is frame construction, its top surface be equipped with the identical through-hole of location propelling movement frame apron shape.
Further, the sliding table assembly comprises a transverse sliding table, a longitudinal sliding table, a rubber wheel driving assembly and a sliding table assembly cover body, wherein the transverse sliding table comprises an inner transverse sliding table bottom plate, a longitudinal sliding table, a rubber wheel driving assembly and a sliding table assembly cover body, the longitudinal sliding table comprises a longitudinal sliding table bottom plate, a first motor and a first coupler, a motor shaft of the first motor is connected with a first ball screw pair, the first ball screw pair is arranged on the longitudinal sliding table bottom plate, a nut of the first ball screw pair is connected with a longitudinal sliding block, two sides of the longitudinal sliding block are matched with a longitudinal sliding rail arranged on the longitudinal sliding table bottom plate, the top surface of the longitudinal sliding block is connected with the transverse sliding table, the transverse sliding table comprises a transverse sliding table bottom plate, a second motor and a second coupler, a motor shaft of the second motor is connected with a second ball screw pair, the second ball screw pair is arranged on, the lateral sliding block is fixedly connected with a lateral sliding block connecting plate, a third motor is fixedly connected above the lateral sliding block connecting plate, and a motor shaft of the third motor drives the rubber wheel.
Further, the lower bearing seat rotating body comprises a lower bearing seat support bottom plate, two sides of the lower bearing seat support bottom plate are fixedly mounted on the longitudinal sliding blocks of the adjacent sliding tables and follow the longitudinal sliding blocks to move synchronously, a lower bearing seat mounting plate is arranged on the lower bearing seat support bottom plate and is connected with the lower bearing seat support bottom plate in a rotating mode through a bearing, a driving motor for driving the lower bearing seat mounting plate to rotate is arranged at the bottom of the lower bearing seat support bottom plate, and lower bearing seats of 3 models are mounted on the lower bearing seat mounting plate respectively.
Further, the bearing upper seat rotating platform comprises a stand column lower support, the stand column lower support is connected with a stand column middle part lower flange base plate in a rotating mode, a driving motor for driving the stand column middle part lower flange base plate to rotate is arranged in the stand column lower support, a stand column middle part sleeve is fixedly connected to the stand column middle part lower flange base plate, a stand column upper part sleeve is fixedly connected to the stand column middle part sleeve, the stand column upper part sleeve is a rectangular sleeve, the side face of the stand column upper part sleeve is fixedly connected with a stand column upper part side pipe, each stand column upper part side pipe is connected with a bearing upper seat rotating platform ball screw pair, a bearing upper seat rotating platform ball screw pair nut is fixedly connected with an upper bearing seat bracket, and the bottom of the upper bearing bracket is fixedly connected with bearing upper seats of different models.
Further, the steel rail guide frame comprises a guide frame bottom plate, a guide frame hydraulic cylinder is fixedly connected in the middle of the guide frame bottom plate, the top end of a push rod of the guide frame hydraulic cylinder is fixedly connected in the middle of the second steel rail, watermark steel rail guide frame columns are arranged on two sides of the guide frame hydraulic cylinder, a steel rail guide frame slide rail is arranged on the outer side of each steel rail guide frame column, the steel rail guide frame slide rail is in sliding connection with a steel rail guide frame slide block, a steel rail guide frame vertical plate is fixedly connected to the steel rail guide frame slide block, and the top ends of the steel rail guide frame vertical plates are respectively connected to two ends of the.
Furthermore, a signal collector is fixedly connected to the bearing upper seat.
Compared with the prior art, the invention has the following beneficial technical effects:
the detection machine detects the bearing and adopts a full-automatic detection mode. The truck wheels are firstly placed in front of the detection machine, then the machine is started, then the wheels go in and out and lift, and the whole process of bearing detection can be completed fully automatically. The invention can detect wheels and bearings of different types, and can simultaneously detect four sets of bearings in two sets of wheels at one time. The bearing pedestal rotating platform can be used for rotatably switching three bearing pedestals with different specifications to adapt to bearings with different models. Under the control of a servo motor, when the bearing is detected, the rotating speed of the wheel is 200-300 revolutions per minute, the rotating speed can be adjusted according to the detection requirement, and the whole process of detecting the bearing is not more than 3 minutes.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first positioning pushing frame and a second positioning pushing frame of the present invention;
FIG. 3 is a schematic view of the internal structure of the first positioning pushing frame and the second positioning pushing frame of the present invention;
FIG. 4 is a schematic structural view of the ramp assembly of the present invention;
FIG. 5 is a schematic view of the upper portion of the longitudinal slide of the present invention;
FIG. 6 is a schematic view of a swivel structure of the lower bearing seat of the present invention
FIG. 7 is a schematic view of a rotary table of the upper bearing seat of the present invention;
FIG. 8 is a schematic view of a ball screw assembly of the bearing upper seat rotary table according to the present invention;
FIG. 9 is an exploded view of the rail guide of the present invention;
FIG. 10 is a schematic view of the wheel set configuration of the present invention;
wherein: 1-a first rail; 2-a second steel rail; 3-a first positioning pushing frame; 4-a second positioning pushing frame; 5-wheel pair; 6-a bearing; 7-a bearing lower seat rotator; 8-bearing upper seat rotating platform; 9-a slip assembly; 10-a rubber wheel; 11-a rail guide frame; 12-a positioning frame bottom plate; 13-a pedal frame; 14-positioning a pushing frame jacking assembly; 15-a first hydraulic cylinder; 16-positioning the pushing frame cover plate; 17-positioning the push plate of the push frame; 18-positioning the pushing frame slide block; 19-positioning the pushing frame slide rail; 20-positioning the pushing frame upright post; 21-a transverse slipway; 22-longitudinal slipway; 23-a rubber wheel drive assembly; 24-a slip assembly housing; 25-longitudinal slipway bottom plate; 26-a first motor; 27-a first coupling; 28-a first ball screw pair; 29-longitudinal slide block; 30-longitudinal sliding rail; 31-transverse slipway bottom plate; 32-a second motor; 33-a second coupling; 34-a second ball screw pair; 35-transverse slide block; 36-transverse slide rail; 37-a third motor; 38-bearing seat lower bracket bottom plate; 39-bearing lower seat mounting plate; 40-a drive motor; 41-bearing lower seat; 42-column lower support; 43-column middle tube lower flange backing plate; 44-column middle sleeve; 45-column upper sleeve; 46-column upper side tube; 47-ball screw pair of a bearing upper seat rotating platform; 48-upper bearing seat bracket, 49-upper bearing seat; 50-a guide frame bottom plate; 51-a guide frame hydraulic cylinder; 52-steel rail guide frame upright post; 53-rail guide rack slide rail; 54-rail guide frame slide block; 55-steel rail guide frame vertical plate; 56-signal collector.
Detailed Description
The technical solution and the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a mechanical structure of a truck wheel bearing detecting machine of the present invention, which includes parallel steel rails, a first positioning pushing frame 3 and a plurality of second positioning pushing frames 4 disposed between the steel rails, a wheel pair 5 disposed on the steel rails and moving along the steel rails, bearings 6 disposed on two sides of the wheel pair 5, and the second positioning pushing frames 4 having the same structure as the first positioning frame and arranged at 90 degrees, wherein the first positioning pushing frame 3 and the second positioning pushing frame 4 push the wheel pair 5 to move forward; the second location promotes 4 both sides of frame and is located the rail both sides are equipped with bearing lower base and turn 7 respectively, wheel bearing lower base is turned 7 tops and is equipped with bearing upper base revolving stage 8, bearing upper base revolving stage 8 with the cooperation of bearing lower base and turn 7 will the bearing on the wheel pair 5 is to pressing from both sides, the both sides of bearing lower base and turn 7 are equipped with slip table subassembly 9 respectively, install rubber wheel 10 on the slip table subassembly 9, rubber wheel 10 detects time measuring at the bearing, and driving wheel rotates. In this embodiment, the first positioning pushing frame 3 is provided with one, the second positioning pushing frame 4 is provided with two, the first positioning pushing frame 3 and the second positioning pushing frame 4 are both arranged between two parallel steel rails, wherein the two sides of the second positioning pushing frame 4 are respectively provided with a wheel bearing lower seat swivel 7 and a bearing upper seat swivel 8 which are arranged in pairs, the wheel bearing lower seat swivel 7 and the bearing upper seat swivel 8 are matched to clamp bearings on two sides of the wheel set 5, the front side and the rear side of the wheel bearing lower seat swivel 7 and the bearing upper seat swivel 8 are both provided with a pair of sliding table assemblies 9, the positions of the rubber wheels 10 can be adjusted transversely and longitudinally by the sliding table assemblies 9, and the rubber wheels 10 drive the wheels to rotate when the bearings are detected.
In a further preferred embodiment, the rails include a first rail 1 and a second rail 2, the second rail 2 is disposed at the lower seat swivel 7 of the bearing, the second rail 2 is disconnected from the first rail 1, a rail guide frame 11 is disposed below the second rail 2, and the rail guide frame 11 is used for driving the second rail 2 to move up and down. In the above embodiment, the rail guide frame 11 is located at the lower end of the second rail 2, and can lift the rail, and when the wheelset 5 moves onto the second rail 2, the second rail 2 descends to enable the bearing of the wheelset 5 to smoothly fall into the bearing lower seat 41.
In a further preferred embodiment, as shown in fig. 2 and 3, the first positioning pushing frame 3 and the second positioning pushing frame 4 comprise a positioning frame base plate 12, a pedal frame 13 mounted on the positioning frame base plate 12, the positioning frame bottom plate 12 is provided with two groups of positioning pushing frame jacking components 14 which are centrosymmetric, the positioning pushing frame jacking components 14 comprise first hydraulic cylinders 15, the top of the first hydraulic cylinder 15 is connected with a positioning pushing frame cover plate 16, the positioning pushing frame cover plate 16 is vertically connected with a positioning pushing frame push plate 17, the side surface of the positioning pushing frame push plate 17 is connected with a positioning pushing frame slide block 18, the positioning pushing frame slide block 18 is matched with the positioning pushing frame slide rail 19, the positioning pushing frame sliding rail 19 is fixedly connected to the positioning pushing frame upright post 20, the pedal frame 13 is of a frame structure, and the top surface of the pedal frame 13 is provided with a through hole matched with the positioning pushing frame cover plate 16 in shape. In the above embodiment, the first positioning pushing frame 3 and the second positioning pushing frame 4 have the same structure, the first positioning pushing frame 3 is started, and after the first positioning pushing frame 3 is lifted, the first set of wheels of the truck push against the front of the first positioning pushing frame 3, wherein the positioning moving frame comprises two hydraulic cylinders, one hydraulic cylinder is used for positioning the wheels, and the other hydraulic cylinder pushes the wheels to move forward.
As shown in fig. 4 and 5, the sliding table assembly 9 includes a transverse sliding table 21, a longitudinal sliding table 22, a rubber wheel driving assembly 23 and a sliding table assembly cover 24, wherein the longitudinal sliding table 22 includes a longitudinal sliding table bottom plate 25, a first motor 26 and a first coupler 27, a motor shaft of the first motor 26 is connected with a first ball screw pair 28, the first ball screw pair 28 is disposed on the longitudinal sliding table bottom plate 25, a longitudinal sliding block 29 is connected on a nut of the first ball screw pair 28, two sides of the longitudinal sliding block 29 are matched with a longitudinal sliding rail 30 disposed on the longitudinal sliding table bottom plate 25, a top surface of the longitudinal sliding block 29 is connected with the transverse sliding table 21, the transverse sliding table 21 includes a transverse sliding table bottom plate 31, a second motor 32 and a second coupler 33, a motor shaft of the second motor 32 is connected with a second ball screw pair 34, the second ball screw pair 34 is disposed on the transverse sliding table bottom plate 31, connect horizontal slider 35 on the nut of second ball screw pair 34, horizontal slider 35 both sides and the cooperation of the horizontal slide rail 36 of setting on horizontal slip table bottom plate 31, horizontal slip table 21 and vertical slip table 22 set up perpendicularly, the horizontal slider 35 connecting plate of fixed connection on the horizontal slider 35, horizontal slider 35 connecting plate top fixed connection third motor 37, the motor shaft drive of third motor 37 rubber wheel 10. In the above-mentioned embodiment, slip table subassembly 9 includes vertical slip table 22 and the horizontal slip table 21 of perpendicular setting respectively, wherein horizontal slip table 21 sets up along rail length direction, vertical slip table 22 sets up along perpendicular to rail length direction, horizontal slip table 21 and vertical slip table 22 can drive rubber wheel drive assembly 23 in the wheel and the bearing of the wheel of the position of adjusting rubber wheel 10 in horizontal and vertical with adapting to different models respectively, rubber wheel 10 sets up respectively in the wheel both sides, the rotation of rubber wheel 10 is used for driving the wheel and rotates.
As shown in fig. 6, the lower bearing seat swivel body 7 includes a lower bearing seat support bottom plate 38, both sides of the lower bearing seat support bottom plate are fixedly mounted on the longitudinal sliding blocks 29 of the adjacent sliding tables to follow the synchronous longitudinal movement of the longitudinal sliding blocks 29, a lower bearing seat mounting plate 39 is arranged on the lower bearing seat support bottom plate, the lower bearing seat mounting plate 39 is connected with the lower bearing seat support bottom plate through the bearing rotation, a driving motor 40 for driving the lower bearing seat mounting plate 39 to rotate is arranged at the bottom of the lower bearing seat support bottom plate 38, and lower bearing seats 41 of 3 models are respectively mounted on the lower bearing seat mounting plate 39.
As shown in fig. 7 and 8, the bearing upper seat rotating platform 8 includes a column lower support 42, a column middle tube lower flange backing plate 43 is rotatably connected to the column lower support 42, a driving motor 40 is provided in the column lower support 42 for driving the column middle tube lower flange backing plate 43 to rotate, a column middle sleeve 44 is fixedly connected to the column middle tube lower flange backing plate 43, a column upper sleeve 45 is fixedly connected to the column middle sleeve 44, the column upper sleeve 45 is a rectangular sleeve, a column upper sleeve 45 is fixedly connected to a side surface of the column upper sleeve 46, each column upper side sleeve 46 is connected to a bearing upper seat rotating platform ball screw pair 47, a bearing upper seat bracket 48 is fixedly connected to a nut of the bearing upper seat rotating platform ball screw pair 47, and bearing upper seats 49 of different models are fixedly connected to the bottom of the bearing bracket. The bearing upper seat 49 is fixedly connected with a signal collector 56.
In the above embodiment, 3 types of the upper bearing seats 49 are fixedly connected above the upper bearing seat rotating platform 8, and the height of the upper bearing seats 49 can be adjusted through the upper bearing seat rotating platform ball screw pair 47, similarly, 3 types of the lower bearing seats 41 corresponding to the upper bearing seats 49 are also arranged on the lower bearing seat rotating body 7, and the upper bearing seats 49 and the lower bearing seats 41 cooperate to clamp the corresponding types of the bearing pairs to be detected.
As shown in fig. 9, the rail guide 11 includes a guide base plate 50, a guide hydraulic cylinder 51 is fixedly connected to the middle of the guide base plate 50, the top end of a push rod of the guide hydraulic cylinder 51 is fixedly connected to the middle of the second rail 2, rail guide uprights 52 are arranged on two sides of the guide hydraulic cylinder 51, a rail guide slide rail 53 is arranged on the outer side of the rail guide upright 52, the rail guide slide rail 53 is slidably connected to a rail guide slide block 54, a rail guide riser 55 is fixedly connected to the rail guide slide block 54, and the top ends of the rail guide risers 55 are respectively connected to two ends of the second rail 2.
Truck wheels as shown in fig. 10, two bearings are provided at both ends of the truck wheel axle for detection.
The working process of the invention is as follows:
1. starting the first positioning pushing frame 3, and pushing a first group of wagon wheels to the front of one positioning pushing frame after the first positioning pushing frame 3 is lifted; the first positioning pushing frame 3 comprises two hydraulic cylinders, one hydraulic cylinder is used for positioning the wheels, and the other hydraulic cylinder pushes the wheels to move forwards;
2. the first group of bearing upper seat rotating platform 8 adjusts the position of a bearing upper seat 49, the first group of bearing lower seat rotating body 7 adjusts the position of a bearing lower seat 41, meanwhile, the first positioning pushing frame 3 descends, the second positioning pushing frame 4 ascends to push the first group of truck wheels to move forwards, the first group of truck wheels are stopped at the first group of bearing upper seat rotating platform 8 before moving to the first second positioning pushing frame 4;
3, the first group of steel rail guide frames 11 descend, the wagon wheels fall in the semi-circular bearing lower seats 41, the bearing upper seats 49 on the two sides descend simultaneously to press the two bearings, and the first group of wagon wheels reach a detection station;
4. the second group of truck wheels starts to start, the first positioning pushing frame 3 descends, the second positioning pushing frame 4 ascends, and the second group of truck wheels pushes against the front of the second positioning pushing frame;
5. the first group of bearing upper seat rotating platform 8 adjusts the position of a bearing upper seat 49, the first group of bearing lower seat rotating body 7 adjusts the position of a bearing lower seat 41, and meanwhile, the first second positioning pushing frame 4 rises;
6. and a second group of truck wheels are pushed to move forwards and move to the front of a second positioning pushing frame 4 to be stopped, and the second group of truck wheels stop at a second group of bearing upper seat rotating platform 8.
7. The second group of steel rail guide frames 11 descend, the second group of truck wheels fall in the semi-circular bearing lower seats 41, the bearing upper seats 49 on the two sides descend simultaneously to press the two bearings, and the second group of truck wheels reach a detection station;
8. simultaneously second location pushing frame 4 descends, and eight rubber tyers 10 of group move through slip table subassembly 9 and stretch out simultaneously, draw close the wheel, then drive the wheel through autogiration and rotate, and the wheel rotation is automatic shutdown after 10 seconds, and eight rubber tyers 10 of group return simultaneously.
9. The four sets of bearing upper seats 49 are lifted simultaneously, and the detection work is completed.
10. The first group of truck wheels moves out of the detection machine, the first group of steel rail guide frame 11 is lifted, the first group of truck wheels is lifted to the steel rail plane, and the first second positioning pushing frame 4 is lifted to push the first group of truck wheels to move out of the detection machine.
11. And the second group of truck wheels moves out of the detector, the second group of steel rail guide frame 11 is lifted, the second group of truck wheels is lifted to the steel rail plane, and the second positioning pushing frame 4 is lifted to push the second group of truck wheels to move out of the detector.
In the above embodiment, the inspection machine has two identical sets of bearing housing tables, each set having three rotatable bearing housings.
A4-20 mA signal collector 56 is arranged above each group of upper bearing seats, and can be used for wheels, axles and bearings of each type. The vertical rotating bearing seat is controlled by a speed reducer and a servo motor, can accurately rotate an angle, and can be parked according to instructions.
Under the control of a servo motor, when a bearing is detected, the rotating speed of a wheel is 200-300 r/min, and the rotating speed can be adjusted according to the detection requirement. The entire process of inspecting the bearings may not exceed 3 minutes. When the bearing is detected, the wheel rotates after being loaded with load, and the load of a single wheel is not less than 3.75 tons. The loading assembly adopts a linear guide rail, a ball screw, a bearing, a speed reducer and a servo motor to form a wheel driving mechanism.
And when the wheels of the truck reach the instructed bearing seats, the upper bearing seat moves downwards to be closed with the lower bearing seat, the upper bearing seat and the lower bearing seat are connected in a seamless mode, and the whole bearing is wrapped in the bearing seats. The size tolerance of the closed bearing seat is manufactured according to the national 6-grade precision, and the bearing seat can bear high-strength load. Each wheel is driven by two groups of rollers, and probes are arranged on the edges of the rollers to enable the rollers to move back and forth. The wheels with different sizes can automatically adjust the positions of the rollers even if the surfaces of the wheels are not round and uneven, the wheels are closed to drive the wheels to rotate, and the rollers can be controlled to transmit wheel load force.
In the above embodiment, the right side of fig. 1 is the first set of devices, and the left side is the second set of devices.
The foregoing examples are provided for illustration and description of the invention only and are not intended to limit the invention to the scope of the described examples. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, all of which fall within the scope of the invention as claimed.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124186.1A CN112924201B (en) | 2021-01-29 | 2021-01-29 | A testing machine for truck wheel bearings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124186.1A CN112924201B (en) | 2021-01-29 | 2021-01-29 | A testing machine for truck wheel bearings |
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| CN112924201A true CN112924201A (en) | 2021-06-08 |
| CN112924201B CN112924201B (en) | 2023-08-08 |
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| CN110712770A (en) * | 2019-08-15 | 2020-01-21 | 燕山大学 | A 9-DOF Hybrid Attitude Adjustment Platform for Solar Wing Horizontal Docking Assembly in Low Space |
| CN111906531A (en) * | 2019-11-15 | 2020-11-10 | 中车大同电力机车有限公司 | Electric locomotive wheel drive unit assembly line |
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Effective date of registration: 20250520 Address after: 448200 West Intersection of Industrial Sixth Road and Industrial Seventh Road, Shayang Economic Development Zone, Jingmen City, Hubei Province Patentee after: Hubei Jingye Heavy Industry Equipment Technology Co.,Ltd. Country or region after: China Address before: 430068 Eru, Wuhan, Hongshan, Hubei, No. 28 Patentee before: HUBEI University OF TECHNOLOGY Country or region before: China |