CN206114315U - High -speed EMUs wheel impact fatigue testing machine - Google Patents
High -speed EMUs wheel impact fatigue testing machine Download PDFInfo
- Publication number
- CN206114315U CN206114315U CN201620942138.8U CN201620942138U CN206114315U CN 206114315 U CN206114315 U CN 206114315U CN 201620942138 U CN201620942138 U CN 201620942138U CN 206114315 U CN206114315 U CN 206114315U
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- pendulum
- hydraulic cylinder
- connecting rod
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- impact
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Abstract
The utility model discloses a high -speed EMUs wheel impact fatigue testing machine. There is not at present special impact fatigue testing machine to high -speed EMUs wheel. The utility model discloses a vertical clamping mechanism, horizontal clamping mechanism, repeated beater mechanism and workstation, vertical clamping mechanism and horizontal clamping mechanism are used for pressing from both sides tight high -speed EMUs wheel, fix high -speed EMUs wheel on the workstation, repeat the beater mechanism and be used for providing impact load, act on high -speed EMUs wheel with impact load. The utility model discloses testable high -speed EMUs wheel is repeating impact load effect life down, and it utilizes gravity loading impact force, can guarantee pendulum etc. During repeated impact and highly accommodate, and ensure the invariable of impact force, impact velocity, required impact force is realized to the quality piece of accessible change correspondence moreover, and is simple and convenient.
Description
Technical field
The utility model belongs to repeated impact test equipment, and more particularly to one kind can carry out that impact fatigue is repeated several times
The EMU wheel impact fatigue testing machine of test.
Background technology
Train of high-speed motor train unit in the process of moving, because the reasons such as wheel flat, the low joint of track undergo wheel
Impact loading is repeated several times, its impact fatigue characteristic need to be evaluated.At present, also there is not maturation in domestic impact fatigue testing machine
Product, in existing fatigue tester and shock machine, fatigue tester can carry out the fatigue test of conventional test specimen, but nothing
Method carries out repeated impact test；And shock machine is then mainly used in single-impact test, the impact toughness of material is entered emphatically
Row is determined.Although China's high ferro development in the last few years is swift and violent, the test platform related to high ferro is quite to lack.
The content of the invention
The purpose of this utility model is the shortage for EMU wheel test platform, there is provided a kind of EMU
Wheel impacts fatigue tester, the testing machine can effectively clamp EMU wheel, using gravitational load, can be repeated
Constant impulsive force is impacted and kept, and can be realized to the effective of required impulsive force size by changing different kind masses
Adjustment.
The technical solution adopted in the utility model is：
The utility model includes vertical clamp system, horizontal-clamping mechanism, repeated impacts mechanism and workbench；N level
Clamp system is uniformly distributed along the circumference, n >=4；Described vertical clamp system is by installing plate, vertical hydraulic cylinder, adapter sleeve, V-type connection
Bar, connecting plate, short connecting rod, long connecting rod and hold-down head composition；Described installing plate is fixed on the table；Vertical hydraulic cylinder
Cylinder body be hinged with installing plate, piston rod and the adapter sleeve of vertical hydraulic cylinder are threaded connection；Adapter sleeve and V-type connecting rod
One arm top is hinged；Connecting plate is welded on a mounting board；One end of the bottom of V-type connecting rod and long connecting rod is and connecting plate
It is hinged；Another arm top and one end of short connecting rod of V-type connecting rod is hinged；The other end of short connecting rod and long connecting rod middle part
It is hinged；The other end of long connecting rod is hinged with hold-down head.
Described horizontal-clamping mechanism is made up of clamp jaw, horizontal hydraulic cylinder and hydraulic cylinder mounting seat；The clamp jaw
Head is arcwall face；The afterbody of clamp jaw is threaded connection with the piston rod of horizontal hydraulic cylinder；The cylinder body of horizontal hydraulic cylinder is consolidated
In being scheduled on hydraulic cylinder mounting seat；Hydraulic cylinder mounting seat is fixed by screws on workbench.
Described repeated impacts mechanism includes bracing frame, motor, small pulley, belt, big belt wheel, bearing spider, rotating shaft, rotation
Turning handle, pendulum shaft stool, oscillating weight axle, pendulum bearing, pendulum, slip-off preventing screw, mass and drift；Described bracing frame and electricity
Machine is each attached on workbench；Small pulley is affixed with the output shaft of motor, and is connected by belt with big belt wheel；Big belt wheel is affixed
In rotating shaft；Bearing spider is fixed on bracing frame；Described rotating shaft is bearing on bearing spider by bearing；In rotating handle
It is fixed in rotating shaft at the heart；The top of pendulum is bearing on oscillating weight axle by pendulum bearing；Impactor is fixed on pendulum top；It is anti-
Releasing screw is connected with oscillating weight axle end thread, to pendulum axial limiting；Described oscillating weight axle is fixed on pendulum shaft stool, pendulum
Hammer shaft stool is fixed on bracing frame；Oscillating weight axle axle center is set to a with rotating shaft core distance, and the length of rotating handle is set to b, oscillating weight axle
The diameter of axle is set to r, and oscillating weight axle axle center is set to c with Impactor outer end threshold value, then b/+r ＜ a ＜ b/+c；Two pieces of masses pass through
Studs is symmetrically mounted on pendulum bottom；Described drift is threaded connection with pendulum bottom.
Described workbench is made up of the worktable support post of workbench flat board and support works platform flat board.
Described vertical hydraulic cylinder, horizontal hydraulic cylinder and motor are by controller control.
The utility model has the advantage that：
1st, the utility model can test service life of the EMU wheel under repeated impact effect；
2nd, the utility model utilizes gravitational load impulsive force, can ensure that the height such as pendulum is accommodated during repeated impacts, it is ensured that punching
Hit power, impact velocity it is invariable；
3rd, the utility model can realize required impulsive force by exchanging corresponding mass, simple and convenient；
4th, rod member of the present utility model reduces impact of the impulsive force to vertical hydraulic cylinder radial direction, particularly short connecting rod and
The comprehensive function of V-type connecting rod, effectively extends the life-span of vertical hydraulic cylinder；
5th, the utility model is with low cost, takes up space little, and dismounting is easy, it is easy to keep in repair.
Description of the drawings
Fig. 1 is a side isometric view of the present utility model；
Fig. 2 is another side isometric view of the present utility model；
Fig. 3 is the stereogram of vertical clamp system in the utility model；
Fig. 4 is the schematic diagram of mechanism of vertical clamp system in the utility model；
Fig. 5 is the stereogram of horizontal-clamping mechanism in the utility model；
Fig. 6 is the stereogram of repeated impacts mechanism in the utility model；
Fig. 7 is the partial enlarged drawing of repeated impacts mechanism in the utility model；
Fig. 8 is the schematic diagram of mechanism of repeated impacts mechanism in the utility model.
In figure：1st, worktable support post, 2, vertical clamp system, 2-1, installing plate, 2-2, vertical hydraulic cylinder, 2-3, connection
Set, 2-4, V-type connecting rod, 2-5, connecting plate, 2-6, short connecting rod, 2-7, long connecting rod, 2-8, hold-down head, 3, horizontal-clamping machine
Structure, 3-1, clamp jaw, 3-2, horizontal hydraulic cylinder, 3-3, hydraulic cylinder mounting seat, 4, EMU wheel, 5, repeated impacts machine
Structure, 5-1, bracing frame, 5-2, motor, 5-3, small pulley, 5-4, belt, 5-5, big belt wheel, 5-6, bearing spider, 5-7, rotating shaft,
5-8, rotating handle, 5-9, pendulum shaft stool, 5-10, oscillating weight axle, 5-11, pendulum bearing, 5-12, pendulum, 5-13, slip-off preventing spiral shell
Nail, 5-14, mass, 5-15, drift, 6, workbench flat board.
Specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As illustrated in fig. 1 and 2, a kind of EMU wheel impact fatigue testing machine, by controller, vertical clamp system 2,
Horizontal-clamping mechanism 3, repeated impacts mechanism 5 and workbench composition；Four horizontal-clamping mechanisms 3 are uniformly distributed along the circumference；Workbench by
The worktable support post 1 of workbench flat board 6 and support works platform flat board 6 is constituted.Controller controls the vertical of vertical clamp system
Hydraulic cylinder 2-2 and the horizontal hydraulic cylinder 3-2 actions of horizontal-clamping mechanism, so as to clamp or unclamp EMU wheel 4, and control
The motor 5-2 start and stop of repeated impacts mechanism 5 processed.
As shown in Figures 3 and 4, vertical clamp system 2 is by installing plate 2-1, vertical hydraulic cylinder 2-2, adapter sleeve 2-3, V-type connection
Bar 2-4, connecting plate 2-5, short connecting rod 2-6, long connecting rod 2-7 and hold-down head 2-8 composition；Installing plate 2-1 is fixed by screw
On workbench flat board 6；The cylinder body of vertical hydraulic cylinder 2-2 is hinged with installing plate 2-1, the piston rod of vertical hydraulic cylinder 2-2 and company
Female connector 2-3 is threaded connection；Adapter sleeve 2-3 is hinged with an arm top of V-type connecting rod 2-4；Connecting plate 2-5 is welded on peace
On dress plate 2-1；One end of the bottom of V-type connecting rod 2-4 and long connecting rod 2-7 is hinged with connecting plate 2-5；V-type connecting rod 2-4
Another arm top be hinged with one end of short connecting rod 2-6；The other end of short connecting rod 2-6 is hinged with long connecting rod 2-7 middle part；
The other end of long connecting rod 2-7 is hinged with hold-down head 2-8.
As shown in figure 5, horizontal-clamping mechanism 3 is by clamp jaw 3-1, horizontal hydraulic cylinder 3-2 and hydraulic cylinder mounting seat 3-3 group
Into；The head of clamp jaw 3-1 is arcwall face；The afterbody of clamp jaw 3-1 is connected with the piston rod of horizontal hydraulic cylinder 3-2 by screw thread
Connect；The cylinder body of horizontal hydraulic cylinder 3-2 is fixed in hydraulic cylinder mounting seat 3-3；Hydraulic cylinder mounting seat 3-3 is fixed by screws in work
Make on platform flat board 6.
As shown in Fig. 6,7 and 8, repeated impacts mechanism 5 is by bracing frame 5-1, motor 5-2, small pulley 5-3, belt 5-4, big
Belt wheel 5-5, bearing spider 5-6, rotating shaft 5-7, rotating handle 5-8, pendulum shaft stool 5-9, oscillating weight axle 5-10, pendulum bearing 5-11,
Pendulum 5-12, slip-off preventing screw 5-13, mass 5-14 and drift 5-15 composition；Bracing frame 5-1 and motor 5-2 are each attached to work
Make on platform flat board 6；Small pulley 5-3 is affixed with the output shaft of motor 5-2, and is connected by belt 5-4 with big belt wheel 5-5；Big band
Wheel 5-5 is fixed on rotating shaft 5-7；Bearing spider 5-6 is fixed on bracing frame 5-1；Rotating shaft 5-7 is bearing in bearing by bearing
On seat 5-6；The center of rotating handle 5-8 is fixed on rotating shaft 5-7；The top of pendulum 5-12 is bearing in by pendulum bearing 5-11
On oscillating weight axle 5-10；Impactor is fixed on pendulum 5-12 tops；Slip-off preventing screw 5-13 is connected with oscillating weight axle 5-10 end threads,
To pendulum 5-12 axial limitings, prevent pendulum 5-12 from coming off；Oscillating weight axle 5-10 is fixed on pendulum shaft stool 5-9 by screw,
Pendulum shaft stool 5-9 is fixed on bracing frame 5-1；Oscillating weight axle 5-10 axle center is set to a, rotating handle 5-8 with rotating shaft 5-7 axle center distance
Length be set to b, the oscillating weight axle 5-10 diameters of axle are set to r, and oscillating weight axle 5-10 axle center is set to c with Impactor outer end threshold value, then b/2
+ r ＜ a ＜ b/2+c, ensure Impactor and Impactor outer end Intermittent Contact；Two pieces of mass 5-14 are symmetrically pacified by studs
It is mounted in pendulum 5-12 bottoms；Drift 5-15 and pendulum 5-12 bottoms are threaded connection, and are directed at EMU wheel 4.
The operation principle of the EMU wheel impact fatigue testing machine：
The impulsive force size for being needed according to test first installs suitable mass 5-14, then by motor train unit
Wheel 4 is placed on workbench flat board 6, is then passed through controller and is controlled vertical clamp system 2 and horizontal-clamping mechanism 3, is made vertical
Clamp system 2 and horizontal-clamping mechanism 3 clamp EMU wheel 4.Motor 5-2 is started by controller, motor 5-2 passes through
Tape handler (small pulley 5-3, belt 5-4 and big belt wheel 5-5) drives rotary shaft 5-7, clockwise so as to handle 5-8 is rotated
Rotation, when rotating handle 5-8 is contacted with Impactor, drives pendulum 5-12 to rotate around oscillating weight axle 5-10, when pendulum 5-12 goes to necessarily
Highly, rotating handle 5-8 and Impactor depart from, pendulum 5-12 due to mass 5-14 Action of Gravity Field and the bottom so that be arranged on
Drift 5-15 impact high speed EMUs wheel 4 on pendulum 5-12, rebounds after drift 5-15 impact high speed EMUs wheel 4, this
When the rotating handle 5-8 other ends contact with Impactor again, drive pendulum 5-12 is rotated up around oscillating weight axle 5-10, to certain height,
Rotating handle 5-8 departs from Impactor, the pendulum 5-12 bottoms, drift 5-15 impact high speed EMUs wheel 4.Rotating handle 5-8 is circulated
Rotate, drift 5-15 just periodic shock EMU wheels 4, until EMU wheel 4 is damaged.
Claims (3)
1. a kind of EMU wheel impact fatigue testing machine, including vertical clamp system, horizontal-clamping mechanism, repeated impacts
Mechanism and workbench, it is characterised in that：N horizontal-clamping mechanism is uniformly distributed along the circumference, n >=4；Described vertical clamp system is by pacifying
Dress plate, vertical hydraulic cylinder, adapter sleeve, V-type connecting rod, connecting plate, short connecting rod, long connecting rod and hold-down head composition；Described
Installing plate is fixed on the table；The cylinder body of vertical hydraulic cylinder is hinged with installing plate, the piston rod and adapter sleeve of vertical hydraulic cylinder
It is threaded connection；Adapter sleeve is hinged with an arm top of V-type connecting rod；Connecting plate is welded on a mounting board；V-type connecting rod
Bottom and one end of long connecting rod be hinged with connecting plate；Cut with scissors with one end of short connecting rod on another arm top of V-type connecting rod
Connect；The other end of short connecting rod is hinged with long connecting rod middle part；The other end of long connecting rod is hinged with hold-down head；
Described horizontal-clamping mechanism is made up of clamp jaw, horizontal hydraulic cylinder and hydraulic cylinder mounting seat；The head of the clamp jaw
For arcwall face；The afterbody of clamp jaw is threaded connection with the piston rod of horizontal hydraulic cylinder；The cylinder body of horizontal hydraulic cylinder is fixed on
In hydraulic cylinder mounting seat；Hydraulic cylinder mounting seat is fixed by screws on workbench；
Described repeated impacts mechanism includes bracing frame, motor, small pulley, belt, big belt wheel, bearing spider, rotating shaft, rotation
Handle, pendulum shaft stool, oscillating weight axle, pendulum bearing, pendulum, slip-off preventing screw, mass and drift；Described bracing frame and motor
It is each attached on workbench；Small pulley is affixed with the output shaft of motor, and is connected by belt with big belt wheel；Big belt wheel is fixed in
In rotating shaft；Bearing spider is fixed on bracing frame；Described rotating shaft is bearing on bearing spider by bearing；The center of rotating handle
Place is fixed in rotating shaft；The top of pendulum is bearing on oscillating weight axle by pendulum bearing；Impactor is fixed on pendulum top；Anticreep
The screw that falls is connected with oscillating weight axle end thread, to pendulum axial limiting；Described oscillating weight axle is fixed on pendulum shaft stool, pendulum
Shaft stool is fixed on bracing frame；Oscillating weight axle axle center is set to a with rotating shaft core distance, and the length of rotating handle is set to b, oscillating weight axle axle
Footpath is set to r, and oscillating weight axle axle center is set to c with Impactor outer end threshold value, then b/+r ＜ a ＜ b/+c；Two pieces of masses are by double
Header stud is symmetrically mounted on pendulum bottom；Described drift is threaded connection with pendulum bottom.
2. a kind of EMU wheel impact fatigue testing machine according to claim 1, it is characterised in that：Described work
Make platform to be made up of the worktable support post of workbench flat board and support works platform flat board.
3. a kind of EMU wheel impact fatigue testing machine according to claim 1, it is characterised in that：Described hangs down
To hydraulic cylinder, horizontal hydraulic cylinder and motor by controller control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942138.8U CN206114315U (en) | 2016-08-25 | 2016-08-25 | High -speed EMUs wheel impact fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942138.8U CN206114315U (en) | 2016-08-25 | 2016-08-25 | High -speed EMUs wheel impact fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114315U true CN206114315U (en) | 2017-04-19 |
Family
ID=58513420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620942138.8U Withdrawn - After Issue CN206114315U (en) | 2016-08-25 | 2016-08-25 | High -speed EMUs wheel impact fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353112A (en) * | 2016-08-25 | 2017-01-25 | 浙江理工大学 | Wheel impact fatigue testing machine for high-speed EMU |
-
2016
- 2016-08-25 CN CN201620942138.8U patent/CN206114315U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353112A (en) * | 2016-08-25 | 2017-01-25 | 浙江理工大学 | Wheel impact fatigue testing machine for high-speed EMU |
| CN106353112B (en) * | 2016-08-25 | 2019-01-15 | 浙江理工大学 | High-speed EMUs wheel impact fatigue testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20190115 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20190115 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |