CN104458259A - Railway bearing testing machine - Google Patents
Railway bearing testing machine Download PDFInfo
- Publication number
- CN104458259A CN104458259A CN201410763841.8A CN201410763841A CN104458259A CN 104458259 A CN104458259 A CN 104458259A CN 201410763841 A CN201410763841 A CN 201410763841A CN 104458259 A CN104458259 A CN 104458259A
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- bearing
- test
- base
- main shaft
- hydraulic cylinder
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Abstract
The invention discloses a railway bearing testing machine which is characterized by comprising a testing shaft box, a main transmission system, a hydraulic cylinder and a base. The testing shaft box is used for installing a testing bearing. The base supports the main transmission system and the hydraulic cylinder. The main transmission system comprises a main shaft used for simulating and driving the testing bearing to rotate on a train, and a motor for driving the main shaft to rotate. The testing bearing is installed on the main shaft. The motor is installed on the base. The hydraulic cylinder is installed on the base. A telescopic rod of the hydraulic cylinder is connected with the testing shaft box. The base is provided with a supporting shaft box for supporting the main shaft. The railway bearing testing machine is simple in structure and low in cost; the testing machine comprises the main transmission system for carrying out axial loading on the testing bearing, and the hydraulic cylinder for carrying out radial loading on the testing bearing, the main shaft can simulate and drive the testing bearing to rotate on the train under driving of the motor, the radial loading of the hydraulic cylinder to the testing bearing can simulate the weight borne by the testing bearing in the operating process of the train, and the testing machine is suitable for application and popularization.
Description
Technical field
The present invention relates to a kind of test unit of simulating railway bearing running environment, particularly relate to a kind of railway bearing testing machine.
Background technology
Production of bearing out can not come into operation later at once, only have after being up to state standards by behavior in service test and just can come into operation, verified by bearing operation performance test and design whether defectiveness, whether the technique in production engineering is normal, comprises Vehicle Processing, mill processing, thermal treatment, flaw detection etc.Railway bearing carries transportation by railroad, and its behavior in service detects particularly important.But the railway bearing test unit complex structure used at present, cost is high, is also not easy to operation.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of railway bearing testing machine, to expect to solve the railway bearing test unit complex structure used at present, cost is high, is also not easy to the problem operated.
The object of invention is achieved through the following technical solutions:
Railway bearing testing machine, it comprises for the test axle box of installation test bearing, main transmission, hydraulic cylinder and the base supporting main transmission and hydraulic cylinder, described main transmission comprises the motor of main shaft and the drive shaft rotation of rotating aboard for analog-driven test bearing, described test bearing is arranged on main shaft, described motor is arranged on base, described hydraulic cylinder is arranged on base, the expansion link of described hydraulic cylinder is connected with test axle box, described base is also provided with the support axle box of supports main shaft.
Further technical scheme is, described test axle box is two, and these two test axle boxes are arranged on the two ends of main shaft respectively by the test bearing of correspondence.
Further technical scheme is, described test axle box comprises test bearing seat, for test bearing being arranged on the first end cap on test bearing seat and the second end cap, described expansion link is bolted on the first end cap or the second end cap.
Further technical scheme is, described main shaft is connected on motor by belt dressing, described belt dressing comprises the first belt pulley be connected on main shaft, the second belt pulley be connected on machine shaft, and described first belt pulley is connected by belt with the second belt pulley.
Further technical scheme is, described support axle box is two, and these two support axle boxes are positioned at the two ends of main shaft, and these two support axle boxes are between two test axle boxes.
Further technical scheme is, described back shaft case comprises the supporting bearing base be arranged on base, is arranged in supporting bearing base and the spring bearing be connected with main shaft, and described spring bearing is arranged in supporting bearing base by two the 3rd end caps.
Further technical scheme is, the worktable that described base comprises base body, is arranged on the bearing on base body and is arranged on bearing, and described motor is arranged on base body, and described hydraulic cylinder and supporting bearing base are installed on worktable.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) not only structure is simple for testing machine of the present invention, and it is with low cost, testing machine of the present invention comprises and carries out for test bearing the main transmission that axially loads and carry out the hydraulic cylinder of radial loaded for test bearing, main shaft can the rotation aboard of analog-driven test bearing under the driving of motor, and hydraulic cylinder then can the gravity that bears in train running of simulation test bearing to the radial loaded of test bearing.
(2) test of the present invention is axially two, can realize testing two test bearings simultaneously, therefore can improve test efficiency.
(3) test axle box of the present invention can be used for installation test bearing, to realize the test to test bearing.
(4) main shaft of the present invention is connected on motor by belt dressing, and the power transmission that motor can be exported by belt dressing, to main shaft, is rotated with drive shaft, and then the rotation aboard of analog-driven test bearing.
(5) support axle box of the present invention is used for supports main shaft, can prevent from diameter run-out occurring, to ensure the stability of main axis during main axis.Described support axle box is set to two, and these two support axle boxes are positioned at the two ends of main shaft, can the motion of balancing main shaft further.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Wherein, the name corresponding to the Reference numeral in accompanying drawing is called:
1-base body, the 2-the first bolt, 3-bearing, 4-worktable, 5-the first end cap, the 6-the second bolt, 7-test bearing seat, 8-test bearing, 9-the three bolt, the 10-the second end cap, the 11-the three end cap, 12-supporting bearing base, 13-spring bearing, the 14-the first belt pulley, 15-belt, 16-main shaft, the 17-the second belt pulley, 18-motor, 19-hydraulic cylinder, 20-expansion link.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment
As shown in Figure 1, railway bearing testing machine of the present invention, it comprises the test axle box for installation test bearing 8, and described test bearing 8 is arranged in test axle box and is combined into an one-piece construction.During test, by needing the test bearing 8 of test to be arranged in test axle box, then this test axle box being arranged on testing machine and carrying out testing, after having tested, test axle box being pulled down, and dismantled the test bearing 8 of test, carry out again when needing next time to test other bearings installing.Described test axle box comprises test bearing seat 7, described test bearing 8 is arranged in test bearing seat 7, described test bearing 8 is installed by the first end cap 5 and the second end cap 10, described first end cap 5 and the second end cap 10 are arranged on the two ends, left and right of test bearing 8 respectively, first end cap 5 is connected on test bearing seat 7 by the second bolt 6, and the second end cap 10 is connected on test bearing seat 7 by the 3rd bolt 9.
Railway bearing testing machine of the present invention also comprises and carries out the main transmission axially loaded, the hydraulic cylinder 19 test bearing 8 being carried out to radial loaded to test bearing 8 and support the base of main transmission and hydraulic cylinder 19, described base comprises base body 1, base body 1 is provided with bearing 3, described bearing 3 is connected on base body 1 by the first bolt 2.Described bearing 3 is provided with worktable 4, and described worktable 4 is arranged on bearing 3 by bolt, and described hydraulic cylinder 19 is arranged on worktable 4, as shown in Figure 1.
Described main transmission comprises the motor 18 of main shaft 16 and drive shaft 16 rotation, and described motor 18 is arranged on base body 1, and described main shaft 16 is connected on motor 18 by belt dressing.Described belt dressing comprises the first belt pulley 14 and the second belt pulley 17, and described first belt pulley 14 is connected by belt 15 with between the second belt pulley 17, and belt 15 is for transmitting power.Described first belt pulley 14 is connected on main shaft 16, and described second belt pulley 17 is connected in the rotating shaft of motor 18, and the power transmission that motor 18 can be exported by belt dressing is to main shaft 16, thus drive shaft 16 is rotated.
Described test bearing 8 is arranged on main shaft 16, and described main shaft 16, can analog-driven test bearing 8 rotation aboard for carrying out axial loading to test bearing 8.Test axle box of the present invention is set to two, and these two test axle boxes are arranged on the two ends of main shaft 16 respectively by the test bearing 8 of correspondence, and therefore, testing machine of the present invention can be tested two test bearings 8 simultaneously.Described hydraulic cylinder 19 is arranged with test bearing 8 one_to_one corresponding, and this hydraulic cylinder 19 is positioned at the below of test bearing 8, and the expansion link 20 of this hydraulic cylinder 19 is bolted on the first end cap 5 or the second end cap 10.Described hydraulic cylinder 19 works, and can carry out radial loaded, the gravity that simulation test bearing 8 bears in train running to test bearing 8.Meanwhile, described main shaft 16 also can support test axle box with expansion link 20.After completing test, test axle box is disassembled from expansion link 20 and main shaft 16.
There is diameter run-out when rotating to prevent main shaft 16, to ensure the stability that main shaft 16 rotates, described main shaft 16 being also provided with the support axle box for supporting this main shaft 16, as shown in Figure 1.Described support axle box is also set to two, and these two support axle boxes are positioned at the two ends of main shaft 16, and these two support axle boxes are between two test axle boxes.Described back shaft case comprises supporting bearing base 12, this supporting bearing base 12 is arranged on worktable 4 by bolt, in this supporting shaft holder 12, be provided with spring bearing 13, described block bearing 13 is connected with main shaft 16, and described spring bearing 13 to be socketed on main shaft 16 and to match with main shaft 16.Described spring bearing 13 is arranged on supporting shaft holder 12 by two the 3rd end caps 11, and described two the 3rd end caps 11 lay respectively at the two ends, left and right of spring bearing 13, and as shown in Figure 1, and the 3rd end cap 11 is bolted in supporting bearing base 12.
The devices such as the configurable electric control system of testing machine of the present invention, hydraulic control system, so that realize the loading of Automated condtrol to test bearing 8, and the size of controlled loading power accurately.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. railway bearing testing machine, it is characterized in that it comprises the test axle box for installation test bearing (8), main transmission, the base of hydraulic cylinder (19) and support main transmission and hydraulic cylinder (19), described main transmission comprises the motor (18) that the main shaft (16) that rotates aboard for analog-driven test bearing (8) and drive shaft (16) are rotated, described test bearing (8) is arranged on main shaft (16), described motor (18) is arranged on base, described hydraulic cylinder (19) is arranged on base, the expansion link (20) of described hydraulic cylinder (19) is connected with test axle box, described base is also provided with the support axle box of supports main shaft (16).
2. according to railway bearing testing machine according to claim 1, it is characterized in that described test axle box is two, these two test axle boxes are arranged on the two ends of main shaft (16) respectively by the test bearing (8) of correspondence.
3. according to the railway bearing testing machine described in claim 1 or 2, it is characterized in that described test axle box comprises test bearing seat (7), for test bearing (8) being arranged on the first end cap (5) on test bearing seat (7) and the second end cap (10), described expansion link (20) is bolted on the first end cap (5) or the second end cap (10).
4. according to railway bearing testing machine according to claim 3, it is characterized in that described main shaft (16) is connected on motor (18) by belt dressing, described belt dressing comprises the first belt pulley (14) be connected on main shaft (16), the second belt pulley (17) be connected in motor (18) rotating shaft, and described first belt pulley (14) is connected by belt (15) with the second belt pulley (17).
5. according to railway bearing testing machine according to claim 2, it is characterized in that described support axle box is two, these two support axle boxes are positioned at the two ends of main shaft (16), and these two support axle boxes are between two test axle boxes.
6. according to the railway bearing testing machine described in claim 4 or 5, it is characterized in that described back shaft case comprises the supporting bearing base (12) be arranged on base, is arranged on the upper and spring bearing (13) be connected with main shaft (16) of supporting bearing base (12), described spring bearing (13) is arranged in supporting bearing base (12) by two the 3rd end caps (11).
7. according to railway bearing testing machine according to claim 6, it is characterized in that the worktable (4) that described base comprises base body (1), is arranged on the bearing (3) on base body (1) and is arranged on bearing (3), described motor (18) is arranged on base body (1), and described hydraulic cylinder (19) and supporting bearing base (12) are installed on worktable (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763841.8A CN104458259A (en) | 2014-12-11 | 2014-12-11 | Railway bearing testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763841.8A CN104458259A (en) | 2014-12-11 | 2014-12-11 | Railway bearing testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104458259A true CN104458259A (en) | 2015-03-25 |
Family
ID=52904675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410763841.8A Pending CN104458259A (en) | 2014-12-11 | 2014-12-11 | Railway bearing testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104458259A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285968A (en) * | 2019-08-02 | 2019-09-27 | 大连交通大学 | A kind of high-speed rail bearing test loading device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082720A (en) * | 2006-09-26 | 2008-04-10 | Ntn Corp | Testing device of railway vehicle axle bearing |
| CN101936810A (en) * | 2010-08-02 | 2011-01-05 | 沈机集团昆明机床股份有限公司 | Comprehensive test experiment device for dynamic and static properties of rolling bearing-main shaft system |
| CN102445344A (en) * | 2011-12-26 | 2012-05-09 | 瓦房店轴承集团有限责任公司 | Heavy axle load railway bearing tester |
| CN102866011A (en) * | 2012-07-02 | 2013-01-09 | 西安理工大学 | Loading device for bearing test of high speed railway |
| CN102889991A (en) * | 2012-10-26 | 2013-01-23 | 浙江大学 | Bearing axially-symmetric loading mechanism of high speed railway |
| CN103439112A (en) * | 2013-09-16 | 2013-12-11 | 洛阳Lyc轴承有限公司 | Comprehensive performance test bed for high-speed railway bearing |
| CN204286790U (en) * | 2014-12-11 | 2015-04-22 | 成都天马铁路轴承有限公司 | Railway bearing testing machine |
-
2014
- 2014-12-11 CN CN201410763841.8A patent/CN104458259A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082720A (en) * | 2006-09-26 | 2008-04-10 | Ntn Corp | Testing device of railway vehicle axle bearing |
| CN101936810A (en) * | 2010-08-02 | 2011-01-05 | 沈机集团昆明机床股份有限公司 | Comprehensive test experiment device for dynamic and static properties of rolling bearing-main shaft system |
| CN102445344A (en) * | 2011-12-26 | 2012-05-09 | 瓦房店轴承集团有限责任公司 | Heavy axle load railway bearing tester |
| CN102866011A (en) * | 2012-07-02 | 2013-01-09 | 西安理工大学 | Loading device for bearing test of high speed railway |
| CN102889991A (en) * | 2012-10-26 | 2013-01-23 | 浙江大学 | Bearing axially-symmetric loading mechanism of high speed railway |
| CN103439112A (en) * | 2013-09-16 | 2013-12-11 | 洛阳Lyc轴承有限公司 | Comprehensive performance test bed for high-speed railway bearing |
| CN204286790U (en) * | 2014-12-11 | 2015-04-22 | 成都天马铁路轴承有限公司 | Railway bearing testing machine |
Non-Patent Citations (1)
| Title |
|---|
| 乔鸿春等: "新型汽车发电机轴承试验机", 《轴承》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285968A (en) * | 2019-08-02 | 2019-09-27 | 大连交通大学 | A kind of high-speed rail bearing test loading device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |