CN103175642A - Rotating arm type axle box force measuring device and method thereof - Google Patents
Rotating arm type axle box force measuring device and method thereof Download PDFInfo
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- CN103175642A CN103175642A CN2011104306883A CN201110430688A CN103175642A CN 103175642 A CN103175642 A CN 103175642A CN 2011104306883 A CN2011104306883 A CN 2011104306883A CN 201110430688 A CN201110430688 A CN 201110430688A CN 103175642 A CN103175642 A CN 103175642A
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Abstract
The invention discloses a rotating arm type axle box force measuring device and a method thereof. According to distribution positions of loads exerted on rotating arm type axle boxes, the normative testing method is specified for vertical loads exerted on shock absorber bases and spring bases and vertical, transverse and longitudinal loads exerted on elastic nodes, so that actual and reliable testing parameters are provided for scientific judgment and measurement of the magnitude and directions of loads exerted on rotating arm type axle boxes. The rotating arm type axle box force measuring method comprises the steps of adopting the force measuring device comprising a loading cross beam and a simulation structure to install four rotating arm type axle boxes on the simulation structure according to actual usage positions; connecting a pair of vertical actuating cylinders between the simulation structure and the loading cross beam in the vertical direction, and connecting a transverse actuating cylinder and a longitudinal actuating cylinder respectively on horizontal side portions of the simulation structure; and connecting a first sensor between a vertical shock absorber and the simulation structure, connecting a second sensor between an axle box spring and the simulation structure, and connecting a third sensor between a node base and the simulation structure.
Description
Technical field
The present invention relates to a kind of pivoted arm axle box for being applied to rail vehicle truck and carry out the devices and methods therefor that multiaxis loading is measured, belong to the track traffic technical field.
Background technology
Along with the significantly lifting of rapidly universal and the Vehicle Speed of domestic city track traffic, for the bogie frame of bearing body and transmitting tractive power, higher design and use requirement has been proposed.
The primary spring of bogie that present domestic track traffic is adopted adopts the axle box locator meams at large, and namely axle box pivoted arm location structure form, be normally defined the pivoted arm axle box.
As formerly applying for a patent of following content disclosed, application number is 201020542266.6, to be called rail vehicle one be elastic positioning device to name, its be arranged on bogie frame and axletree vertical between, the primary spring device that includes the pivoted arm axle box and be arranged at the axle box top.In framework, its other end is connected with framework by a vertical damper one end of axle box by the caoutchouc elasticity node installation.
Because pivoted arm axle box stress in the reality use is comparatively complicated, current motor train unit than new construction, subway and city rail vehicle all belong to imitation, Analogy for the design of pivoted arm axle box, test figure as guidance, just can't systematically, scientifically not draw the optimized design conclusion yet accurately.
The distribution of the suffered load of pivoted arm axle box, size and moment of flexure problem can not only limit to axle box is directly connected on the framework of actual motion and simply test.Can not depend on former car framework as carrier, otherwise just can not carry out corresponding test, and each test will be wasted a framework, 4 axle boxes and the node more than at least 8.
In view of the test process of above-mentioned prior art, do not have reference value, can't form the judgement that the main cause that cracks for the power value, load distribution and the axle box that are loaded on axle box is made qualitative and quantitative, therefore present patent application is proposed.
Summary of the invention
Pivoted arm axle box device for measuring force of the present invention and method thereof, its purpose is to solve problem that above-mentioned prior art exists and according to the distribution locations of the suffered load of pivoted arm axle box, respectively for damper base, the suffered vertical load of spring base, and for suffered vertical, the test method that horizontal and vertical load is made standardization of elastic panel nodes, thereby for judgement scientifically with weigh that the magnitude of load and the direction that put on the pivoted arm axle box provide truly, reliable experiment parameter.
Another goal of the invention is, solves the too harsh limitation of existing test method, uses analogue framework as the carrier of repeatedly testing, and correspondingly protects framework, axle box and node, controls experimental cost to reduce the stress damage.
Goal of the invention also is, adopts the device for measuring force of modular construction, to being applicable to the stand under load situation test of various pivoted arm axle boxes, economizes on resources and reduces experimental cost.
For achieving the above object, described pivoted arm axle box force measuring method is as follows:
Employing includes the device for measuring force that loads crossbeam and analogue framework, by actual use location, 4 pivoted arm axle boxes is installed on analogue framework;
Analogue framework with load crossbeam and be connected a pair of vertical start cylinder between vertical, connect respectively horizontal start cylinder, vertical start cylinder in the horizontal side of analogue framework;
Be connected first sensor between vertical damper and analogue framework, to test and to obtain the vertical load that the damper base of pivoted arm axle box is subject to;
Be connected the second sensor between journal box spring and analogue framework, to test and to obtain the vertical load that the spring base of pivoted arm axle box is subject to;
Be connected the 3rd sensor between node bearing and analogue framework, to test and to obtain vertical, the horizontal and vertical load that the elastic panel nodes of pivoted arm axle box is subject to.
As above-mentioned basic scheme, the suffered load of pivoted arm axle box mainly is distributed in damper base, spring base and elastic panel nodes place in the rail vehicle actual motion, and damper base and spring base only be subject to vertical load, but elastic panel nodes but is subject to from vertical, horizontal and vertical combined load impact.Above-mentioned force measuring method is according to the load distribution position, and correspondingly standard goes out force-detecting position and method of testing.
The analogue framework that uses plays the effect of infrastest platform, can be used for repeated multiple times experiment, due to close with actual operating position, therefore can effectively protect framework, axle box and node, and reason is not tested improper and damaged.
Vertical, horizontal and vertical load at first integrally puts on analogue framework, be passed to again each test point, therefore the distribution that is installed on four suffered combined loads of pivoted arm axle box of analogue framework is uniformly, and between each pivoted arm axle box, the distribution of suffered equidirectional load is also uniform.
A plurality of load that are subject to for test and evaluation elastic panel nodes synthetically place are effects and rule simultaneously, described the 3rd sensor can be adopted six-component sensor, namely based on a sensor rather than three sensors, measure size, direction and the moment of flexure that elastic panel nodes is subject to load simultaneously.
For improving the mensuration precision of vertical load, can take following further improvement project, be about to the bottom of described 2 vertical start cylinders, be connected to the air spring seat of analogue framework, the top of vertical start cylinder is connected in the loading crossbeam by start cylinder flap seat.
Based on identical design angle, for improving the mensuration precision of transverse load, described horizontal start cylinder can be connected in curb girder, in horizontal start cylinder bottom section loading start cylinder resiliency supported.
For improving the mensuration precision of longitudinal loading, described vertical start cylinder can be connected in the crossbeam of centrepin or analogue framework, in vertical start cylinder bottom section loading start cylinder resiliency supported.
Based on the modular construction of above-mentioned device for measuring force, the stand under load situation test for the pivoted arm axle box that solves adaptively various dissimilar, specifications can according to the requirement of axle box dynamometry, change the specification of node bearing.
Dynamometry requirement for different directions load, can take the test process of following comparatively preferred and refinement, measure in the vertical load process, horizontal start cylinder and vertical start cylinder are set to free state, obtain the load data of first sensor, the second sensor and the output of the 3rd sensor;
Measure in the transverse load process, vertical start cylinder and vertical start cylinder are set to free state, obtain the load data of first sensor, the second sensor and the output of the 3rd sensor;
Measure in the longitudinal loading process, vertical start cylinder and horizontal start cylinder are set to free state, obtain the load data of first sensor, the second sensor and the output of the 3rd sensor.
Further, in measuring resultant force used load process, vertical start cylinder, horizontal start cylinder and vertical start cylinder all move, and obtain the load data of first sensor, the second sensor and the output of the 3rd sensor, to determine to be loaded into magnitude of load and the direction on the pivoted arm axle box.
As described in above-mentioned inventive concept, and use above pivoted arm axle box force measuring method and can realize the device for measuring force of following organization plan:
Device for measuring force includes and loads crossbeam and analogue framework, by actual use location, 4 pivoted arm axle boxes is installed;
Analogue framework with load crossbeam and be connected a pair of vertical start cylinder between vertical, connect respectively horizontal start cylinder, vertical start cylinder in the horizontal side of analogue framework;
Between vertical damper and analogue framework, connect the first sensor that is used for measuring the suffered vertical load of damper base;
Between journal box spring and analogue framework, connect the second sensor that is used for measuring the suffered vertical load of spring base;
Between node bearing and analogue framework, connect to be used for measure the 3rd sensor of suffered vertical, the horizontal and vertical load of elastic panel nodes.
Also can take particularly following various modified measure, described the 3rd sensor is six-component sensor.
With the bottom of described 2 vertical start cylinders, be connected to the air spring seat of analogue framework, the top of vertical start cylinder is connected in the loading crossbeam by start cylinder flap seat.
Described horizontal start cylinder is connected in curb girder.Section loads start cylinder resiliency supported at horizontal start cylinder bottom.
Described vertical start cylinder is connected in the crossbeam of centrepin or analogue framework.Section loads start cylinder resiliency supported at vertical start cylinder bottom.
Content to sum up, pivoted arm axle box device for measuring force of the present invention and method thereof mainly have the following advantages:
1, make innovatively the test method of standardization, thus for judgement scientifically with weigh that magnitude of load and the direction put on the pivoted arm axle box provide truly, reliable experiment parameter.
2, solve the too harsh limitation of existing test method, use analogue framework as the carrier of repeatedly testing.
3, effectively protect axle box and node, to reduce the stress damage.
4, adopt the device for measuring force of modular construction, can be applicable to the stand under load situation test of various pivoted arm axle boxes.
Description of drawings
Now in conjunction with the following drawings the present invention is described further.
Fig. 1 is the structural representation of described pivoted arm axle box device for measuring force;
Fig. 2 is the side schematic view of Fig. 1;
Fig. 3 is bowing to schematic diagram of Fig. 1;
As shown in Figure 1 to Figure 3, axle box bearing 1, vertical damper 2, journal box spring 3, pivoted arm axle box 4, node bearing 5, analogue framework 6, start cylinder bearing 10, load crossbeam 11, start cylinder flap seat 13, start cylinder resiliency supported 14, vertical start cylinder 15, horizontal start cylinder 16, vertical start cylinder 17, first sensor 18, the second sensors 19, the 3rd sensor 20, damper base 21, spring base 22, elastic panel nodes 23, air spring seat 24, curb girder 25, centrepin 26.
Embodiment
Embodiment 1, as shown in Figure 1 to Figure 3, is used for realizing that the device for measuring force of pivoted arm axle box force measuring method mainly includes, and loads crossbeam 11 and analogue framework 6, by actual use location, 4 pivoted arm axle boxes 4 is installed.
Wherein, analogue framework 6 with load crossbeam 11 and be connected a pair of vertical start cylinder 15 between vertical, be about to the bottom of 2 vertical start cylinders 15, be connected to the air spring seat 24 of analogue framework 6 both sides, the top of vertical start cylinder 15 is connected in by start cylinder flap seat 13 and loads crossbeam 11;
Vertical start cylinder 17 is connected in centrepin 26, in vertical start cylinder 17 bottom-loaded start cylinder resiliency supported 14;
Between vertical damper 2 and analogue framework 6, connect the first sensor 18 that is used for measuring damper base 21 suffered vertical loads;
Between journal box spring 3 and analogue framework 6, connect the second sensor 19 that is used for measuring spring base 22 suffered vertical loads;
Between node bearing 5 and analogue framework 6, connect to be used for measuring suffered vertical, the 3rd sensor 20, the three sensors 20 horizontal and vertical load of elastic panel nodes 23 is six-component sensor.
State in the use on the basis of device for measuring force, the pivoted arm axle box force measuring method of realizing is:
Employing includes the device for measuring force that loads crossbeam 11 and analogue framework 6, by actual use location, 4 pivoted arm axle boxes 4 is installed on analogue framework 6;
With the bottom of 2 vertical start cylinders 15, be connected to the air spring seat 24 of analogue framework 6, the top of vertical start cylinder 15 is connected in by start cylinder flap seat 13 and loads crossbeam 11;
Vertical start cylinder 17 is connected in the crossbeam of centrepin 26 or analogue framework 6, in vertical start cylinder 17 bottom-loaded start cylinder resiliency supported 14;
Be connected first sensor 18 between vertical damper 2 and analogue framework 6, to test and to obtain the vertical load that the damper base 21 of pivoted arm axle box is subject to;
Be connected the second sensor 19 between journal box spring 3 and analogue framework 6, to test and to obtain the vertical load that the spring base 22 of pivoted arm axle box 4 is subject to;
Be connected the 3rd sensor 20 between node bearing 5 and analogue framework 6, to test and to obtain vertical, the horizontal and vertical load that the elastic panel nodes 23 of pivoted arm axle box 4 is subject to; The 3rd sensor 20 is six-component sensor, thereby measures size, direction and moment of flexure that described elastic panel nodes 23 is subject to load.
Can according to the requirement of axle box dynamometry, change the specification of node bearing 5.
Concrete experimentation is as follows:
In measuring the vertical load process, horizontal start cylinder 16 and vertical start cylinder 17 are set to free state, obtain the load data of first sensor 18, the second sensor 19 and the 3rd sensor 20 outputs;
Measure in the transverse load process, vertical start cylinder 15 and vertical start cylinder 17 are set to free state, obtain the load data of first sensor 18, the second sensor 19 and the 3rd sensor 20 outputs;
Measure in the longitudinal loading process, vertical start cylinder 15 and horizontal start cylinder 16 are set to free state, obtain the load data of first sensor 18, the second sensor 19 and the 3rd sensor 20 outputs;
Measure in resultant force used load process, vertical start cylinder 15, horizontal start cylinder 16 and vertical start cylinder 17 all move, obtain the load data of first sensor 18, the second sensor 19 and the 3rd sensor 20 outputs, to determine to be loaded into magnitude of load and the direction on pivoted arm axle box 4.
As mentioned above, given scheme content, can derive similar technical scheme in conjunction with the accompanying drawings and embodiments.In every case be the content that does not break away from technical solution of the present invention, to any simple modification, equivalent variations and modification that above embodiment does, all still belong to the protection domain of technical solution of the present invention according to above-mentioned technical spirit.
Claims (15)
1. a pivoted arm axle box force measuring method, is characterized in that: adopt to include the device for measuring force that loads crossbeam (11) and analogue framework (6), by actual use location, 4 pivoted arm axle boxes (4) are installed on analogue framework (6);
Analogue framework (6) with load crossbeam (11) and be connected a pair of vertical start cylinder (15) between vertical, connect respectively horizontal start cylinder (16), vertical start cylinder (17) in the horizontal side of analogue framework (6);
Be connected first sensor (18) between vertical damper (2) and analogue framework (6), the vertical load that is subject to the damper base (21) of testing and obtain the pivoted arm axle box;
Be connected the second sensor (19) between journal box spring (3) and analogue framework (6), the vertical load that is subject to the spring base (22) of testing and obtain pivoted arm axle box (4);
Be connected the 3rd sensor (20) between node bearing (5) and analogue framework (6), vertical, the horizontal and vertical load that is subject to the elastic panel nodes (23) of testing and obtain pivoted arm axle box (4).
2. pivoted arm axle box force measuring method according to claim 1, it is characterized in that: described the 3rd sensor (20) is six-component sensor, thereby measures size, direction and the moment of flexure that described elastic panel nodes (23) is subject to load.
3. pivoted arm axle box force measuring method according to claim 1 and 2, it is characterized in that: with the bottom of described 2 vertical start cylinders (15), be connected to the air spring seat (24) of analogue framework (6), the top of vertical start cylinder (15) is connected in by start cylinder flap seat (13) and loads crossbeam (11).
4. pivoted arm axle box force measuring method according to claim 1 and 2, is characterized in that: described horizontal start cylinder (16) is connected in curb girder (25), in horizontal start cylinder (16) bottom-loaded start cylinder resiliency supported (14).
5. pivoted arm axle box force measuring method according to claim 1 and 2, it is characterized in that: described vertical start cylinder (17) is connected in the crossbeam of centrepin (26) or analogue framework (6), in vertical start cylinder (17) bottom-loaded start cylinder resiliency supported (14).
6. pivoted arm axle box force measuring method according to claim 1 and 2, is characterized in that: according to the requirement of axle box dynamometry, change the specification of node bearing (5).
7. pivoted arm axle box force measuring method according to claim 1 and 2, it is characterized in that: measure in the vertical load process, horizontal start cylinder (16) and vertical start cylinder (17) are set to free state, obtain the load data of first sensor (18), the second sensor (19) and the 3rd sensor (20) output;
Measure in the transverse load process, vertical start cylinder (15) and vertical start cylinder (17) are set to free state, obtain the load data of first sensor (18), the second sensor (19) and the 3rd sensor (20) output;
Measure in the longitudinal loading process, vertical start cylinder (15) and horizontal start cylinder (16) are set to free state, obtain the load data of first sensor (18), the second sensor (19) and the 3rd sensor (20) output.
8. pivoted arm axle box force measuring method according to claim 7, it is characterized in that: measure in resultant force used load process, vertical start cylinder (15), laterally start cylinder (16) and vertically all operations of start cylinder (17), obtain the load data of first sensor (18), the second sensor (19) and the 3rd sensor (20) output, to determine to be loaded into magnitude of load and the direction on pivoted arm axle box (4).
9. realize it is characterized in that: include and load crossbeam (11) and analogue framework (6), by actual use location installation 4 pivoted arm axle boxes (4) as the device for measuring force of pivoted arm axle box force measuring method as described in claim 1 to 8;
Analogue framework (6) with load crossbeam (11) and be connected a pair of vertical start cylinder (15) between vertical, connect respectively horizontal start cylinder (16), vertical start cylinder (17) in the horizontal side of analogue framework (6);
Between vertical damper (2) and analogue framework (6), connect the first sensor (18) that is used for measuring the suffered vertical load of damper base (21);
Between journal box spring (3) and analogue framework (6), connect the second sensor (19) that is used for measuring the suffered vertical load of spring base (22);
Between node bearing (5) and analogue framework (6), connect to be used for measure the 3rd sensor (20) of suffered vertical, the horizontal and vertical load of elastic panel nodes (23).
10. pivoted arm axle box device for measuring force according to claim 9, it is characterized in that: described the 3rd sensor (20) is six-component sensor.
11. according to claim 9 or 10 described pivoted arm axle box device for measuring force, it is characterized in that: with the bottom of described 2 vertical start cylinders (15), be connected to the air spring seat (24) of analogue framework (6), the top of vertical start cylinder (15) is connected in by start cylinder flap seat (13) and loads crossbeam (11).
12. according to claim 9 or 10 described pivoted arm axle box device for measuring force is characterized in that: described horizontal start cylinder (16) is connected in curb girder (25).
13. pivoted arm axle box device for measuring force according to claim 12 is characterized in that: in horizontal start cylinder (16) bottom-loaded start cylinder resiliency supported (14).
14. according to claim 9 or 10 described pivoted arm axle box device for measuring force is characterized in that: the crossbeam that described vertical start cylinder (17) is connected in centrepin (26) or analogue framework (6).
15. pivoted arm axle box device for measuring force according to claim 14 is characterized in that: in vertical start cylinder (17) bottom-loaded start cylinder resiliency supported (14).
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| CN201110430688.3A CN103175642B (en) | 2011-12-20 | 2011-12-20 | Rotating arm type axle box force measuring device and method thereof |
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| CN104880313A (en) * | 2015-06-23 | 2015-09-02 | 南车戚墅堰机车有限公司 | Internal combustion locomotive bogie axle box strength experiment device |
| CN107356416A (en) * | 2017-06-28 | 2017-11-17 | 中车青岛四方机车车辆股份有限公司 | A kind of bogie axle casing static strength and fatigue experimental device |
| CN110608840A (en) * | 2018-06-15 | 2019-12-24 | 北京交通大学 | Braking force system testing structure of tread braking type force measuring frame and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104880313A (en) * | 2015-06-23 | 2015-09-02 | 南车戚墅堰机车有限公司 | Internal combustion locomotive bogie axle box strength experiment device |
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| CN110608840B (en) * | 2018-06-15 | 2024-06-04 | 北京交通大学 | Brake force system test structure of tread brake type force measuring framework and manufacturing method thereof |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |