CN201429542Y - Traction node fatigue test device - Google Patents
Traction node fatigue test device Download PDFInfo
- Publication number
- CN201429542Y CN201429542Y CN2009200649280U CN200920064928U CN201429542Y CN 201429542 Y CN201429542 Y CN 201429542Y CN 2009200649280 U CN2009200649280 U CN 2009200649280U CN 200920064928 U CN200920064928 U CN 200920064928U CN 201429542 Y CN201429542 Y CN 201429542Y
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- force application
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Abstract
The utility model discloses a traction node fatigue test device. A traction node is arranged in a test piece coat, and a spindle is fixed on a base. The base is installed on a test bed, and a pendulumrod system is linked with a linkage system together by the test piece coat for packing the traction node. The linkage system is connected with a vertical force application device, and the pendulum rod system is connected with a horizontal force application device. The vertical force application device is installed above the vertical direction of the base and is connected with the linkage system from the vertical direction. The vertical force application device uses a vertical oil cylinder to be linked with the test piece coat together by the linkage system for transferring vertical load. Theside face of the base is horizontally provided with the horizontal force application device which touches with the pendulum rod system from the horizontal direction and applies axial test force and deflecting torque for the test piece coat. The traction node fatigue test device uses the pendulum rod system to translate horizontal load to axial load and deflecting torque subjected by the traction node, and accurately simulates the force carrying characteristic of the traction node in bearing simultaneously in the axial direction, the deflection and the radial direction.
Description
Technical field
The utility model relates to a kind of metal-rubber composite article---the three-dimensional fatigue experimental device of traction node, be that a kind of system architecture characteristics of utilizing transfer loads on the traction node specifically, system suffered two to straight line load be converted into the traction node axially, deflection and the radially fatigue test method and the device of three direction load, analog equipment actual loading, belong to testing equipment, rig for testing field.
Background technology
The traction node is widely used in the new city tramcar, is the traction flexible member on the bogie, and the round spring of such bogie is arranged in axle box one side.This form can effectively reduce the height of bogie frame, brings convenience for other designs, as roof device etc.Traction node bearing load is big, the fatigue condition strictness.
If product is carried out folk prescription respectively to loading, the tired carrying situation of multidirectional while that then can't more truly reflect test specimen, thereby also just can't reflect the true fatigue behaviour that it has, unidirectional on the other hand load test has also prolonged the test period, has increased unnecessary experimentation cost.If the simple real load direction force application apparatus of using loads the traction node simultaneously, can produce multidirectional load again and interfere mutually.In sum, the test unit that necessary design is novel satisfies the testing requirements of product actual loading.
The utility model content
The purpose of this utility model is in order to solve the deficiency of present traction node fatigue rig or device, a kind of novel traction node fatigue experimental device to be provided.This device can more truly reflect the specific tired carrying situation of drawing node, the mutually noninterfere of a plurality of direction load, and the test period shorten greatly.
The purpose of this utility model is achieved through the following technical solutions: a kind of traction node fatigue experimental device, and the traction node places in the testpieces overcoat, and mandrel is fixed on the base, base is installed on the test platform again; Testpieces overcoat by parcel traction node is bound up fork system, linked system; Linked system links to each other with vertical force application apparatus, and the fork system links to each other with horizontal force application apparatus.Vertical force application apparatus is installed above the base vertical direction, and vertical force application apparatus contacts with linked system from vertical direction, and the testpieces overcoat is applied the power of radially testing; Vertical force application apparatus is bound up by linked system and the testpieces overcoat that transmits vertical load with vertical oil cylinder; Horizontally disposed in the side of base have a horizontal force application apparatus, it loads center line and keeps certain offset distance with the center line that draws the node mandrel, horizontal force application apparatus contacts with the fork system from horizontal direction, and the testpieces overcoat is applied axial test power and deflecting torque; Horizontal force application apparatus is bound up by fork system and the testpieces overcoat that transmits axial load and deflecting torque with cross cylinder.By the fork system being applied horizontal force and linked system being applied vertical force both direction straight line load, utilize fork service system design feature that horizontal load is converted into axial load and the deflecting torque that the traction node is subjected to, utilize the linked system characteristics that vertical load is delivered on the traction node and do not interfered, thereby make that product is subjected to axially simultaneously, deflection and three direction load radially.
The utility model is that the testpieces overcoat that wraps up the traction node is carried out two devices to the torture test that loads simultaneously, make horizontal load be converted into axial load and deflecting torque that the traction node is subjected to by a cover fork system, vertical load be delivered on the product and do not interfered by linked system, accurately simulate the traction node axially, deflection and the mechanical characteristic when radially carrying simultaneously.
Description of drawings
Fig. 1 is a structural representation front view of the present utility model;
Fig. 2 is a structural representation vertical view of the present utility model;
Fig. 3 is a structural representation side view of the present utility model.
Among the figure: 1, vertical force application apparatus, 2, gimbal suspension, 3, the rolling slide unit, 4, the radial loaded frame, 5, the testpieces overcoat, 6, traction node, 7, the arm of force, 8, connecting rod, 9, pivot pin, 10, horizontal connector, 11, guide piece, 12, horizontal force application apparatus, 13, base.
Embodiment
Accompanying drawing has provided an embodiment of the present utility model, and the utility model will be further described below in conjunction with accompanying drawing.
From accompanying drawing as can be seen, the utility model is a kind of traction node fatigue experimental device, the traction node places in the testpieces overcoat, mandrel is fixed on the base, base is installed on the test platform, the testpieces overcoat that draws node by parcel is bound up fork system, linked system again; Linked system links to each other with vertical force application apparatus, and the fork system links to each other with horizontal force application apparatus.Vertical force application apparatus is installed above the base vertical direction, and vertical force application apparatus contacts with linked system from vertical direction, and the testpieces overcoat is applied the power of radially testing; Vertical force application apparatus is bound up by linked system and the testpieces overcoat that transmits vertical load with vertical oil cylinder; Horizontally disposed in the side of base have a horizontal force application apparatus, it loads center line and keeps certain offset distance with the center line that draws the node mandrel, horizontal force application apparatus contacts with the fork system from horizontal direction, and the testpieces overcoat is applied axial test power and deflecting torque; Horizontal force application apparatus is bound up by fork system and the testpieces overcoat that transmits axial load and deflecting torque with cross cylinder.By the fork system being applied horizontal force and linked system being applied vertical force both direction straight line load, utilize fork system architecture characteristics that horizontal load is converted into axial load and the deflecting torque that the traction node is subjected to, utilize the linked system characteristics that vertical load is delivered on the traction node and do not interfered, thereby make that product is subjected to axially simultaneously, deflection and three direction load radially.
Embodiment one
A kind of traction node fatigue experimental device has a testpieces overcoat 5 at least, wraps the traction node; Have a base 13 at least, the mandrel of traction node is fixed by certain way; Have a horizontal force application apparatus 12 at least, horizontal force application apparatus 12 contacts with the fork system from horizontal direction, and testpieces overcoat 5 is applied axial test power and deflecting torque; Have a vertical force application apparatus 1 at least, vertical force application apparatus 1 contacts with linked system from vertical, and testpieces overcoat 5 is applied the power of radially testing; By fork system, linked system, horizontal force application apparatus 12, vertical force application apparatus 1 realize to the traction node carry out simultaneously axially, deflection and radial loaded test.Described fork system, form by the arm of force 7, connecting rod 8, pivot pin 9, horizontal connector 10, be bound up by pivot pin 9 respectively between the arm of force 7 and connecting rod 8, connecting rod 8 and the horizontal connector 10, the central axis of horizontal connector 10 is L with the distance of traction node center axis, is being subjected to the certain angle of deflection simultaneously under the situation of certain axial load in order to guarantee product; Described linked system is made up of gimbal suspension 2, rolling slide unit 3, radial loaded frame 4, radial loaded frame 4 can be clamped the testpieces overcoat 5 and the arm of force 7 simultaneously, gimbal suspension 2 is used for the deflection degree of freedom of release products, rolling slide unit 3 can release products axial freedom, product can radially be moved under the situation that is subjected to axial load and deflecting torque; Described horizontal force application apparatus 12 is horizontally disposed, and horizontal force application apparatus 12 is a kind of cross cylinders that can do to come and go tangential movement.Horizontal force application apparatus 12 is bound up by guide piece 11 and fork system and testpieces overcoat 5; Described vertical force application apparatus 1 is installed in base 13 tops, is the vertical oil cylinder of (coming and going) catenary motion about a kind of can the work.The vertical oil cylinder of vertical force application apparatus 1 usefulness is bound up by linked system and testpieces overcoat 5.
During the design assembling, to draw node 6 presses fit in the testpieces overcoat 5, and a mandrel of traction node 6 is fixed by bolts on the base 13, clamp testpieces overcoat 5 with radial loaded frame 4 again, lock with bolt, rolling slide unit 3 is placed on the last plane of radial loaded frame 4,2 tops that are positioned over rolling slide unit 3 of gimbal suspension, and an end of gimbal suspension 2 links to each other with vertical force application apparatus 1; The arm of force 7 is stuck in the certain position of radial loaded frame 4, use bolt, one end of connecting rod 8 and the arm of force 7 are bound up by a pivot pin 9, the other end of connecting rod 8 then is bound up with horizontal connector 10 by another pivot pin 9, and an end of horizontal connector 10 passes guide piece 11 and links to each other with horizontal force application apparatus 12.When horizontal force application apparatus 12 was loaded into certain load, axial displacements took place in traction node 6, and deflect into certain angle, and by linked system, vertical force application apparatus 1 can be realized the radially dynamic load to traction node 6.
Claims (3)
1, a kind of traction node fatigue experimental device, it is characterized in that: the traction node places in the testpieces overcoat, mandrel is fixed on the base, and base is installed on the test platform, and the testpieces overcoat that draws node by parcel is bound up fork system, linked system; Linked system links to each other with vertical force application apparatus, and the fork system links to each other with horizontal force application apparatus; Vertical force application apparatus is installed above the base vertical direction, and vertical force application apparatus contacts with linked system from vertical direction, and the testpieces overcoat is applied the power of radially testing; Vertical force application apparatus is bound up by linked system and the testpieces overcoat that transmits vertical load with vertical oil cylinder; Horizontally disposed in the side of base have a horizontal force application apparatus, and its center line that loads center line and traction node mandrel maintains offset distance, and horizontal force application apparatus contacts with the fork system from horizontal direction, and the testpieces overcoat is applied axial test power and deflecting torque; Horizontal force application apparatus is bound up by fork system and the testpieces overcoat that transmits axial load and deflecting torque with cross cylinder.
2, traction node fatigue experimental device as claimed in claim 1, it is characterized in that: described fork system, form by the arm of force, connecting rod, pivot pin, horizontal connector, be bound up by pivot pin respectively between the arm of force and connecting rod, connecting rod and the horizontal connector, and the central axis of horizontal connector keeps certain offset distance with traction node center axis.
3, traction node fatigue experimental device as claimed in claim 1 or 2, it is characterized in that: described linked system, form by gimbal suspension, rolling slide unit, radial loaded frame, the radial loaded frame is clamped the testpieces overcoat and the arm of force simultaneously, rolling slide unit, the top placement gimbal suspension of rolling slide unit are placed in the last plane of radial loaded frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200649280U CN201429542Y (en) | 2009-06-26 | 2009-06-26 | Traction node fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200649280U CN201429542Y (en) | 2009-06-26 | 2009-06-26 | Traction node fatigue test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201429542Y true CN201429542Y (en) | 2010-03-24 |
Family
ID=42033281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200649280U Expired - Lifetime CN201429542Y (en) | 2009-06-26 | 2009-06-26 | Traction node fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201429542Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975706A (en) * | 2010-09-29 | 2011-02-16 | 黄衍国 | Novel axial fatigue tester |
| CN109724870A (en) * | 2017-10-27 | 2019-05-07 | 上海国上机电科技有限公司 | A kind of device for the detection of automobile towing pin anti-fatigue test |
| CN112881187A (en) * | 2021-01-15 | 2021-06-01 | 江苏晨鑫波纹管有限公司 | Multifunctional test platform |
-
2009
- 2009-06-26 CN CN2009200649280U patent/CN201429542Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975706A (en) * | 2010-09-29 | 2011-02-16 | 黄衍国 | Novel axial fatigue tester |
| CN109724870A (en) * | 2017-10-27 | 2019-05-07 | 上海国上机电科技有限公司 | A kind of device for the detection of automobile towing pin anti-fatigue test |
| CN112881187A (en) * | 2021-01-15 | 2021-06-01 | 江苏晨鑫波纹管有限公司 | Multifunctional test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100324 |