CN201731997U - Device for detecting grinding of bearing on railway wagon wheel pair - Google Patents
Device for detecting grinding of bearing on railway wagon wheel pair Download PDFInfo
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- CN201731997U CN201731997U CN2009202546698U CN200920254669U CN201731997U CN 201731997 U CN201731997 U CN 201731997U CN 2009202546698 U CN2009202546698 U CN 2009202546698U CN 200920254669 U CN200920254669 U CN 200920254669U CN 201731997 U CN201731997 U CN 201731997U
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- wheel
- bearing
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Abstract
The utility model provides a device for detecting the grinding of a bearing on a railway wagon wheel pair, belonging to the technical field of the detection of the railway wagon. The device is structurally characterized in that an upper beam, a left stand column, a right stand column and a lower beam form into a sealed frame; a main hydraulic cylinder arranged on the upper beam is articulated with a movable beam, and the lower surface of the movable beam is connected with a bogie and a load bearing saddle of the railway wagon; the four corners of the lower beam are evenly provided with a plurality of driving wheels and a plurality of driven wheels which can support the wheel, each driving wheel is connected with a variable frequency motor, and each driven wheel is provided with a rotary encoder; a plurality of infrared ray temperature-detecting systems which can detect the temperature of the bearing on the wheel pair are arranged beside the driving wheels and the driven wheels; and a plurality of lifting devices are arranged in the middle of each pair of the driving wheel and the driven wheel, and a plurality of tracks for walking the wheel pair are arranged at the front and the back of the lower beam. The device can detect the grinding of the bearing on the wheel pair of the railway wagon under the conditions of high speed and heavy load, and can effectively overcome the defect in the prior art.
Description
Technical field
The utility model belongs to rolling stock detection technique field, is specifically related to a kind of device that the goods train vehicle wheel is carried out the break-in detection to last bearing.
Technical background
At present, along with the industrialization great development, the railway freight-car travelling speed rises to 80km/h～100km/h significantly from the 40km/h～50km/h in past, and every joint compartment net deadweight also rises to 70 tons～80 tons.Wheel is to being the critical piece of railway freight-car, and it is to be press-fited by two wheels and an axletree to form, and two ends is equipped with the bearing (double-row conical bearing) that can bear high speed, heavy duty at wheel.For guaranteeing traffic safety,, prevent from because of heating major accident to take place in the operational process to being fitted in wheel to the complete detection that the bearing at two ends all will carry out strictness.Present domestic railway freight-car to the break-in examination criteria of bearing according to the regulation in Ministry of Railways's " assembling of railway freight-car wheel shaft, maintenance and rule " (No. [2007] 98, Railway transportation): " behind the bearing press mounting, carry out rotating speed and be not less than 200r/min, time and be no less than 5 minutes break-in test.The bearing different sound that do not have when rotating should use the temperature rise of temperature measurer test bearing in the period of adjustment, should use separate diagnostic tester test bearing state, and carry out record.Period of adjustment centre bearer temperature rise should not be higher than 40 ℃." and the rotating speed of 200r/min only to be equivalent to the lorry travelling speed be 30.9km/h; such low speed, the break-in method of testing that does not load; its reflection only be that the situation and the part of bearing seal part press-fits quality problems; and at a high speed, many quality problems that may occur under the heavily loaded situation; can not get comprehensive monitoring in above-mentioned simple test, Zu Zhuan lorry can not guarantee 100% traffic safety rate like this.The first half of the year in 2008, two overheating of axle bearing accidents in servicely took place in railway freight-car, and main cause all is that wheel is too high and cause axletree heating and then generation accident to last bearing temperature rise.Therefore, how bearing being carried out the break-in detection at present railway freight-car under the situation of high speed, heavy service is a new research topic.
Summary of the invention
The utility model purpose provide a kind of at a high speed, under the heavy service situation to the railway freight-car wheel on bearing carry out the new equipment that break-in detects, can overcome the shortcoming that prior art exists effectively.
The utility model is to realize like this, it is a kind of device that the railway freight-car wheel is carried out the break-in detection to last bearing, its architectural feature is: the middle part is shaped on the entablature and a left side of circular hole, right column is connected to form the frame of a shape, a left side, the right column lower end is fixedly connected on the sill of a deltiod, form the framework of a sealing, a left side, on the medial surface of right column rail plate is installed, can do the both ends and a left side of the moved cross beam that slides up and down, rail plate on the right column matches, link with hydraulic system, its piston-rod lower end and moved cross beam are hinged, and can drive moved cross beam and do in the circular hole that the main hydraulic cylinder that moves up and down is installed in entablature middle part, the centre is connected with the bogie of railway freight-car by ring flange below the moved cross beam, four bights are equipped with four adapters that can match to head bearing with wheel below bogie, the driving wheel and the engaged wheels that can support two right four wheels of wheel are installed at the Si Jiaochu of sill, driving wheel and engaged wheel equal and opposite in direction, be placed on the position of sustained height, the four frequency conversion motors that can drive four driving wheels rotations is installed on the relevant position at four jiaos of places above the sill, on four engaged wheels, the rotary encoder that can write down secondary speed is installed, be equipped with on the every pair of driving wheel on the sill and engaged wheel next door and can carry out the temperature detection and the infrared thermometry system of record temperature variation automatically four danger positions on the tested bearing, be equipped with can be to wheel to carrying out the jacking gear of lifting place, the centre position of the every pair of driving wheel and engaged wheel on sill, and be equipped with at the place ahead of sill and rear can be for the track of wheel to walking.
Advantage of the present utility model and good effect are:
1. but the utility model analogue simulation railway freight-car wheel is to the real work state of head bearing.This equipment adopts sealing stress frame structure, bogie, adapter and the tested wheel of lorry are placed framed structure to last bearing, during detection, main hydraulic cylinder directly loads on the cartridge of bogie by moved cross beam, at the driving lower whorl of adjustable frequency motor under the load of regulation, speed, rotating, the duty of its head bearing be similar to railway freight-car at a high speed, real work state under the fully loaded transportation condition during operation.Under this dynamical state, carry out break-in and detect, can make the real result, reliable of detection.
2. use the temperature variation and the automatic record of four danger positions of infrared thermometry system's The real time measure bearing in the period of adjustment, adopt two kinds of forms of numeral and chart to export, meet abnormal conditions and report to the police automatically.Automatically judge the whether qualified detection form of also printing after test finishes, make testing realize full-automatic operation.
3. this pick-up unit can be installed in and press-fit on the production line, and wheel does not need hanging device to after assembling with bearing, and wheel carries out the bearing test to can directly delivering to along track on this device, easy and simple to handle, laborsaving.
Description of drawings:
Fig. 1 is the utility model structural representation (front elevation);
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 takes turns structural representation for railway freight-car;
Fig. 5 is lifting device structure synoptic diagram (front elevation, double dot dash line represents that shift fork is horizontal state among the figure);
Fig. 6 is the right view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5;
Among the figure:
1-main hydraulic cylinder 2-entablature 3-left column 4-right column 5-moved cross beam
6-rail plate 7-ring flange 8-bogie
The 9-wheel is to (representing with double dot dash line among Fig. 1～Fig. 3) 10-wheel 11-track
12-adjustable frequency motor 13-bearing seat 14-driving wheel 15-sill
16-engaged wheel 17-jacking gear 18-adapter (four) 19-axletree
20-protecgulum 21-bearing 22- backstop 23,24,25,26-danger position
27-lifting hydraulic cylinder 28-piston rod head 29,30-shift fork
31,32-chute 33,34-fixed pin shaft 35,36-holder
37,38-detection position (detecting bearing 21 hour wheels) to 9 residing positions
Embodiment:
As Fig. 1～shown in Figure 7, a kind of device that the railway freight-car wheel is carried out the break-in detection to last bearing, its architectural feature is: the middle part is shaped on the entablature 2 and a left side of circular hole, right column 3,4 are connected to form the frame of a shape, a left side, right column 3,4 lower ends are fixedly connected on the sill 15 of a deltiod, form a closed frame, a left side, right column 3, rail plate 6 is installed on 4 the medial surface, can do the both ends and a left side of the moved cross beam 5 that slides up and down, right column 3, rail plate 6 on 4 matches, link with hydraulic system, its piston-rod lower end and moved cross beam 5 are hinged, and can drive the main hydraulic cylinder 1 that moved cross beam 5 moves up and down and be installed in the entablature 2 middle part circular holes, the centre is connected with the bogie 8 of railway freight-car by ring flange 7 below the moved cross beam 5, and four bights are equipped with four adapters 18 that can match with four bearings 21 on taking turns 9 below bogie 8; Be equipped with at the Si Jiaochu of sill 15 and can support driving wheel 14 and the engaged wheel 16 of two wheels four wheels 10 of 9, driving wheel 14 with engaged wheel 16 equal and opposite in directions, be placed on the position of sustained height, can drive four frequency conversion motors 12 that four driving wheels 14 rotate and be installed in above the sill 15 on the four Jiao Chu relevant positions; On four engaged wheels 16, the rotary encoder that can write down engaged wheel 16 rotating speeds is installed, being equipped with on every pair of driving wheel on the sill 15 14 and engaged wheel 16 next doors can be to four danger position 23 on the tested bearing 21,24,25,26 carry out the infrared thermometry system of temperature detection and automatic record temperature variation, the infrared temp measuring system of every cover is made up of four infrared thermometers, aim at four danger positions on the tested bearing 21 respectively, described four danger positions are respectively in protecgulum 20 and bearing 21 contact positions 23, the centre of sphere line position 24 of two row's balls in the bearing 21,25 and bearing 21 and backstop 22 contact positions 26; Be equipped with can be to wheel to 9 jacking gears 17 that carry out lifting at the place, centre position of the every pair of driving wheel 14 and engaged wheel 16 on sill 15; The place ahead and rear at sill 15 are equipped with the tracks 11 that can supply to take turns to 9 walkings.
Described can to the wheel to 9 jacking gears 17 that carry out lifting, its structure is mounted in upper end and two shift forks 29 of the piston rod head 28 of the lifting hydraulic cylinder 27 on the sill 15,30 are hinged, two shift forks 29,30 middle and upper part is shaped on chute 31,32, by chute 31,32 with holder 35, fixed pin shaft 33 on 36,34 are hinged, two shift forks 29,30 liftings with the piston rod head 28 of lifting hydraulic cylinder 27 can reach horizontal level or drop to extreme lower position, can be at shift fork 29 in the horizontal level hour wheel to 9 wheel 10, roll on 30, when dropping to extreme lower position wheel 10 by frame on the tread of driving wheel 14 and engaged wheel 16.
In the time need carrying out the break-in detection to last bearing, can operate according to following processing step to the railway freight-car wheel:
1. operate main hydraulic cylinder 1 and rise, drive moved cross beam 5, ring flange 7, bogie 8, four adapters 18 are raised to the extreme higher position;
2. operating lifting hydraulic cylinder 27 rises makes two shift forks 29,30 keep horizontal levels;
3. two wheels that installed bearing 21 are pushed into detection position 37,38 by track 11 successively to 9;
4. operate lifting hydraulic cylinder 27 and fall, make two shift forks 29,30 keep extreme lower position, two wheels drop to wheel 10 treads to 9 with shift fork 29,30 and contact with the tread of driving wheel 14 and engaged wheel 16;
5. operate main hydraulic cylinder 1 and depress, drive moved cross beam 5, ring flange 7, bogie 8, four adapters 18 are depressed, four adapters 18 are pressed in respectively on four bearings 21;
6. control of conversion motor 12 drives driving wheel 14 rotations, engaged wheel 16 and wheel also rotate together to 9 thereupon, control main hydraulic cylinder 1 is loaded into 40 tons gradually when engaged wheel 16 rotating speeds reach initial set value 30km/h, and control of conversion motor 12 continues to quicken to reach 80km/h up to engaged wheel 16 rotating speeds simultaneously; Quicken, in the loading procedure, quadruplet infrared thermometry system detects the temperature of 16 danger positions 23,24,25,26 on four bearings 21 on 9 two wheels respectively and writes down temperature variation automatically, meets abnormal conditions and reports to the police automatically;
7. reach the regulation running-in time in the time of 10 minutes, adjustable frequency motor 15 stops operating, and driving wheel 14 stops operating thereupon, and engaged wheel 16 and wheel stop under the friction force effect voluntarily to 9;
8. automatic printing test form;
9. main hydraulic cylinder 1 drive moved cross beam 5, ring flange 7, bogie 8, adapter 18 upwards are lifted to the extreme higher position;
10. operate lifting hydraulic cylinder 27 and rise, make two shift forks 29,30 rise to horizontal level, wheel disengages with main 14 driving wheels, engaged wheel 16 tread of 9 wheel 10;
Claims (2)
1. one kind is carried out the device that break-in detects to railway freight-car wheel to last bearing, its architectural feature is: the middle part is shaped on the entablature (2) and a left side of circular hole, right column (3,4) be connected to form the frame of a shape, a left side, right column (3,4) lower end is fixedly connected on the sill (15) of a deltiod, form the framework of a sealing, a left side, right column (3, rail plate (6) is installed on the medial surface 4), can do the both ends and a left side of the moved cross beam (5) that slides up and down, right column (3,4) rail plate on (6) matches, link with hydraulic system, its piston-rod lower end and moved cross beam (5) are hinged, and can drive moved cross beam (5) and do in the circular hole that the main hydraulic cylinder (1) that moves up and down is installed in entablature (2) middle part, the centre is connected with the bogie (8) of railway freight-car by ring flange (7) below the moved cross beam (5), four bights are equipped with four adapters (18) that can match to the bearing on (9) (21) with wheel below bogie (8), be equipped with at the Si Jiaochu of sill (15) and can support driving wheel (14) and the engaged wheel (16) of two wheels four wheels (10) of (9), driving wheel (14) and engaged wheel (16) equal and opposite in direction, be placed on the position of sustained height, the four frequency conversion motors (12) that can drive four driving wheels (14) rotation is installed on the relevant positions at four jiaos of places above the sill (15), the rotary encoder that can write down engaged wheel (16) rotating speed is installed on four engaged wheels (16), being equipped with engaged wheel (16) next door at the last every pair of driving wheel of sill (15) (14) can be to four danger position (23 on the tested bearing (21), 24,25,26) carry out temperature detection and the automatic infrared thermometry system that writes down temperature variation, described four danger positions are respectively in protecgulum (20) and bearing (21) contact position (23), the centre of sphere line position (24 of two row's balls in the bearing (21), 25) and bearing (21) and backstop (22) contact position (26), place, centre position with engaged wheel (16) is equipped with and can at the place ahead and the rear of sill (15) track (11) that can supply to take turns to (9) walking be installed to taking turns the jacking gear (17) that (9) are carried out lifting at the last every pair of driving wheel of sill (15) (14).
2. the jacking gear (17) that can carry out lifting to (9) to wheel as claimed in claim 1, its architectural feature is: the upper end and two shift forks (29,30) that are installed in the piston rod head (28) of the lifting hydraulic cylinder (27) on the sill (15) are hinged, the middle and upper part of two shift forks (29,30) is shaped on chute (31,32), is hinged by the fixed pin shaft (33,34) on chute (31,32) and the holder (35,36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202546698U CN201731997U (en) | 2009-11-19 | 2009-11-19 | Device for detecting grinding of bearing on railway wagon wheel pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202546698U CN201731997U (en) | 2009-11-19 | 2009-11-19 | Device for detecting grinding of bearing on railway wagon wheel pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731997U true CN201731997U (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202546698U Expired - Fee Related CN201731997U (en) | 2009-11-19 | 2009-11-19 | Device for detecting grinding of bearing on railway wagon wheel pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731997U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897422A (en) * | 2015-07-01 | 2015-09-09 | 北车建设工程有限责任公司 | Comprehensive car bogie test bed |
| CN107462428A (en) * | 2017-06-27 | 2017-12-12 | 中车青岛四方机车车辆股份有限公司 | Temperature compensation and temperature compensation means |
| CN111024419A (en) * | 2019-12-11 | 2020-04-17 | 神华铁路货车运输有限责任公司 | Mounting structure for detection, bearing and wheel detection equipment |
| CN112924201A (en) * | 2021-01-29 | 2021-06-08 | 湖北工业大学 | Truck wheel bearing detection machine |
-
2009
- 2009-11-19 CN CN2009202546698U patent/CN201731997U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897422A (en) * | 2015-07-01 | 2015-09-09 | 北车建设工程有限责任公司 | Comprehensive car bogie test bed |
| CN104897422B (en) * | 2015-07-01 | 2017-11-17 | 北车建设工程有限责任公司 | Bogie of car multi-function test stand |
| CN107462428A (en) * | 2017-06-27 | 2017-12-12 | 中车青岛四方机车车辆股份有限公司 | Temperature compensation and temperature compensation means |
| CN111024419A (en) * | 2019-12-11 | 2020-04-17 | 神华铁路货车运输有限责任公司 | Mounting structure for detection, bearing and wheel detection equipment |
| CN112924201A (en) * | 2021-01-29 | 2021-06-08 | 湖北工业大学 | Truck wheel bearing detection machine |
| CN112924201B (en) * | 2021-01-29 | 2023-08-08 | 湖北工业大学 | Truck wheel bearing detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20121119 |