CN210136083U - Carbon fiber skirtboard multichannel loading test device - Google Patents
Carbon fiber skirtboard multichannel loading test device Download PDFInfo
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- CN210136083U CN210136083U CN201921178647.8U CN201921178647U CN210136083U CN 210136083 U CN210136083 U CN 210136083U CN 201921178647 U CN201921178647 U CN 201921178647U CN 210136083 U CN210136083 U CN 210136083U
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- carbon fiber
- skirtboard
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- actuator
- connecting rod
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Abstract
The utility model discloses a carbon fiber apron board multichannel loading test device, which comprises a stress application steel beam used for connecting a carbon fiber apron board and a plurality of groups of load loading devices connected with the stress application steel beam; each group of load loading devices comprises a connecting rod, an actuator, a force bearing part and a PLC (programmable logic controller), wherein one end of the connecting rod is connected with the stress application steel beam, the actuator is connected with the other end of the connecting rod, the force bearing part is connected with the actuator, and the PLC is simultaneously connected with all the force sensors. The utility model relates to a rationally, convenient to use, its mode through multichannel loading load carries out mechanical test to the carbon fiber skirtboard, can simulate out true operating mode as far as possible to comparatively accurately inspect the mechanical properties of carbon fiber skirtboard, satisfy the inspection demand. Therefore, the utility model discloses be suitable for extensive popularization and application in rail vehicle technical field.
Description
Technical Field
The utility model relates to a rail vehicle part technical field, concretely relates to carbon fiber skirtboard multichannel loading test device.
Background
At present, skirtboards of rail vehicle bodies are mostly made of carbon fiber materials, and the skirtboards have good strength and rigidity. However, since the external mechanical environment is very complicated, in order to examine the structural mechanical properties of the carbon fiber skirt for subsequent research and improvement, a load test needs to be performed on the carbon fiber skirt.
The existing load test aiming at the carbon fiber skirtboard of the railway vehicle is mostly unidirectional or bidirectional, and the load bearing performance of the carbon fiber skirtboard under the real working condition can not be tested accurately, so that the test requirement can not be met well. Therefore, there is a need for an improved manner of loading the carbon fiber skirt.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model provides a carbon fiber skirtboard multichannel load test device.
In order to achieve the above object, the utility model adopts the following technical scheme:
a carbon fiber skirtboard multichannel loading test device comprises stress application steel beams used for connecting a carbon fiber skirtboard and a plurality of groups of load loading devices connected with the stress application steel beams; each group of load loading devices comprises a connecting rod, an actuator, a force bearing part and a PLC (programmable logic controller), wherein one end of the connecting rod is connected with the stress application steel beam, the actuator is connected with the other end of the connecting rod, the force bearing part is connected with the actuator, and the PLC is simultaneously connected with all the force sensors.
The actuator comprises a magnetic yoke, a guide rail arranged in the magnetic yoke, a permanent magnet fixed on the guide rail, a moving iron core connected with the guide rail in a sliding manner, and an electromagnetic control coil arranged in the magnetic yoke and used for matching with the permanent magnet to control the moving iron core to reciprocate; the moving iron core is connected with the connecting rod, and the magnet yoke is fixed on the force bearing piece.
Preferably, the permanent magnet is a neodymium iron boron permanent magnet.
Preferably, the force sensor is a strain tube force sensor, a diaphragm force sensor or a strain beam force sensor.
Further, the utility model discloses still including the support frame that is used for carrying out the support to carbon fiber skirtboard.
Preferably, the PLC controller is Siemens S7-224 XP.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a set up afterburning girder steel and multiunit load loading device, utilize afterburning girder steel fixed carbon fiber skirtboard to be measured, multiunit actuator loads use load, design load to the skirtboard step by step according to the load spectrum that sets up in advance, measure the strain, the displacement of skirtboard, test the intensity of skirtboard; and the rigidity test is carried out by loading the service load of the skirting board and repeating the operation for several times, measuring the deformation of the skirting board and testing the rigidity characteristic of the skirting board. In this way, by the load force applied by the actuator (pulling the steel beam via the connecting rod), a predetermined test of the axial compression, bending moment or concentrated force of the carbon fiber skirt board can be realized.
(2) The traditional actuator, such as an electromagnetic actuator, uses an electromagnet as a main body mechanism, and relies on the electromagnetic attraction of the electromagnet to generate motion to realize the motion of a moving iron core. But this kind of motion is only one-way, need adopt the differential type structure to realize during the return stroke, and structural design is last comparatively complicated, and the utility model discloses an actuator through setting up the permanent magnet, utilizes the magnetic field's that permanent magnet and solenoid electric coil produced respectively interact, can make magnetic field produce suction or repulsion to moving iron core to control moving iron core reciprocating motion, therefore, under the prerequisite that satisfies carbon fiber skirtboard load test, this kind of actuator not only structural design and control mode are simple, low cost moreover.
(3) The utility model relates to a rationally, convenient to use, its mode through multichannel loading load carries out mechanical test to the carbon fiber skirtboard, can simulate out true operating mode as far as possible to comparatively accurately inspect the mechanical properties of carbon fiber skirtboard, satisfy the inspection demand.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a load spectrum in an embodiment of the present invention.
Fig. 3 is a schematic structural view of the actuator.
Wherein, the names corresponding to the reference numbers are:
the device comprises 1-a carbon fiber apron board, 2-a stress steel beam, 3-a connecting rod, 4-a force sensor, 5-an actuator, 501-a magnetic yoke, 502-an electromagnetic control coil, 503-a guide rail, 504-a moving iron core, 505-a permanent magnet, 6-a force bearing part, 7-a PLC controller and 8-a support frame.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
The utility model provides a carbon fiber skirtboard multichannel loading test device, as shown in figure 1, it includes the load loading device that afterburning girder steel 2 and multiunit and afterburning girder steel 2 homogeneous phase are connected. Stress application girder steel 2 is used for fixing carbon fiber skirtboard 1, and every group load loading device all includes connecting rod 3 that one end is connected with stress application girder steel 2, actuator 5 of being connected with the connecting rod 3 other end, force transducer 4 (can adopt strain tube formula force transducer, diaphragm formula force transducer or strain beam formula force transducer) of setting on connecting rod 3, load spare 6 (can fix subaerial) of being connected with actuator 5, PLC controller 7 (the model preferably adopts siemens S7-224XP) of being connected with all force transducers simultaneously, and be used for carrying out the support frame 8 that supports to carbon fiber skirtboard.
The utility model discloses during the use, control a set of or multiunit load loading device pull down afterburning girder steel 2 according to experimental needs, afterburning girder steel 2 evenly transmits the load for carbon fiber skirtboard 1 along circumference, realizes that predetermined axle load, moment of flexure or concentrated power are experimental. In the test process, a plurality of groups of actuators are loaded to the use load and the design load of the skirtboard step by step according to a preset load spectrum (the force sensor 4 detects the tension data of the connecting rod in real time and the PLC controller processes and displays the tension data), the strain and the displacement of the carbon fiber skirtboard are measured, and the strength of the skirtboard is tested; and the rigidity test is carried out by loading the service load of the skirting board and repeating the operation for several times, measuring the deformation of the skirting board and testing the rigidity characteristic of the skirting board. The utility model discloses a load spectrum as shown in figure 2.
In addition, under the prerequisite that does not influence the experiment, the utility model discloses still improve the structure of actuator to simplify the structure of actuator, reduce design cost. As shown in fig. 3, the actuator 5 of the present invention includes a magnetic yoke 501, a guide rail 503 disposed in the magnetic yoke 501, a permanent magnet 505 (such as a neodymium-iron-boron permanent magnet) fixed on the guide rail (503), a moving iron core 504 slidably connected to the guide rail, and an electromagnetic control coil 502 disposed in the magnetic yoke 501 for cooperating with the permanent magnet to control the reciprocating movement of the moving iron core. Because the permanent magnets are arranged, two magnetic fields exist in the magnetic yoke, and the magnetic fields of the permanent magnets are not changed, so that when the current direction of the electromagnetic control coil is changed, the magnetic field direction of the electromagnetic control coil can be changed and is interacted with the magnetic field of the permanent magnets, suction force or repulsion force is generated on the moving iron core 504, the moving iron core can be operated to do reciprocating motion, and load loading control on the carbon fiber apron board is achieved.
The utility model discloses rational in infrastructure, the simple operation can not only realize the multichannel load test of carbon fiber skirtboard, satisfies the detection demand of mechanical properties, simple structure, low cost moreover, therefore are suitable for extensive popularization and application in rail vehicle technical field.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Accordingly, the present invention is not to be limited to the embodiments shown herein.
Claims (6)
1. A carbon fiber skirtboard multichannel loading test device is characterized by comprising stress application steel beams (2) used for connecting a carbon fiber skirtboard and a plurality of groups of load loading devices connected with the stress application steel beams (2) in a homogeneous phase; every group load loading device all includes connecting rod (3) that one end is connected with afterburning girder steel (2), actuator (5) of being connected with the connecting rod (3) other end, sets up force transducer (4) on connecting rod (3), load spare (6) of being connected with actuator (5) to and PLC controller (7) of being connected with all force transducers simultaneously.
2. The carbon fiber apron multichannel loading test device is characterized in that the actuator (5) comprises a magnetic yoke (501), a guide rail (503) arranged in the magnetic yoke (501), a permanent magnet (505) fixed on the guide rail (503), a moving iron core (504) connected with the guide rail in a sliding way, and an electromagnetic control coil (502) arranged in the magnetic yoke (501) and used for cooperating with the permanent magnet to control the moving iron core to reciprocate; the moving iron core (504) is connected with the connecting rod (3), and the magnet yoke (501) is fixed on the force bearing piece (6).
3. The carbon fiber apron multichannel loading test device as claimed in claim 2, characterized in that the permanent magnet (505) is a neodymium iron boron permanent magnet.
4. The carbon fiber apron multichannel loading test device as claimed in any one of claims 1-3, characterized in that the force sensor (4) is a strain tube type force sensor, a diaphragm type force sensor or a strain beam type force sensor.
5. The carbon fiber apron multichannel loading test device is characterized by further comprising a supporting frame (8) for supporting the carbon fiber apron.
6. The carbon fiber apron multichannel loading test device as claimed in claim 1, wherein the model of the PLC controller (7) is Siemens S7-224 XP.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921178647.8U CN210136083U (en) | 2019-07-24 | 2019-07-24 | Carbon fiber skirtboard multichannel loading test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921178647.8U CN210136083U (en) | 2019-07-24 | 2019-07-24 | Carbon fiber skirtboard multichannel loading test device |
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| CN210136083U true CN210136083U (en) | 2020-03-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766137A (en) * | 2020-08-27 | 2020-10-13 | 中车青岛四方机车车辆股份有限公司 | Test tool and test method for train apron board |
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2019
- 2019-07-24 CN CN201921178647.8U patent/CN210136083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766137A (en) * | 2020-08-27 | 2020-10-13 | 中车青岛四方机车车辆股份有限公司 | Test tool and test method for train apron board |
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