CN112525563A - Suspension bogie comprehensive test bed and test equipment - Google Patents
Suspension bogie comprehensive test bed and test equipment Download PDFInfo
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- CN112525563A CN112525563A CN202011313121.3A CN202011313121A CN112525563A CN 112525563 A CN112525563 A CN 112525563A CN 202011313121 A CN202011313121 A CN 202011313121A CN 112525563 A CN112525563 A CN 112525563A
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 239000000725 suspension Substances 0.000 title claims abstract description 83
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 238000012546 transfer Methods 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 241001669679 Eleotris Species 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000005339 levitation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000004513 sizing Methods 0.000 description 1
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a suspension bogie comprehensive test bed and test equipment, which comprise a base, two gantry loading devices, two bracket arm detection devices, a supporting structure platform, a transfer device, an electrical control system and an acquisition test system, wherein the base comprises a base frame, two gantry loading devices, two bracket arm detection devices and two bracket arm detection devices, the two bracket arm detection devices are arranged on the base frame, the two bracket arm detection: the two gantry loading devices are parallelly and alternately arranged on the base; the two bracket arm detection devices are vertically arranged on the base and are positioned between the two gantry loading devices; the supporting structure platform is fixed on the base and is arranged perpendicular to the gantry loading device; the transfer device is connected with the base through two sliding guide rails arranged in parallel; the electrical control system is respectively connected with the gantry loading device, the bracket arm detection device and the supporting structure platform; the acquisition and test system is connected with the electrical control system and is used for measuring the vertical loading of the suspension bogie, the rolling amount of the supporting arm and the air gap of the linear motor and the air gap of the suspension electromagnet. The device has the advantages of simple structure, convenient operation and accurate working condition simulation.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a suspension bogie comprehensive test bed and test equipment.
Background
The suspension bogie is a key core component of a train running mechanism, and the performance quality and the working normality of the suspension bogie directly relate to the running safety of a train. Therefore, before the bogie is loaded, the performance of the bogie needs to be comprehensively tested so as to ensure normal work after the bogie is loaded. Meanwhile, after the device is operated for a period of time, the device also needs to be maintained and detected by utilizing equipment on the ground.
The suspension bogie comprehensive test bed of the medium-speed maglev train is mainly used for medium-speed magnetic levitation train sections and comprehensive bases, and is special equipment for comprehensively evaluating the manufacturing and assembling quality of a bogie assembly and further determining whether the bogie meets the requirements of final assembly and on-line.
Disclosure of Invention
In view of the above, the invention provides a comprehensive test bed of a suspension bogie and test equipment, which have the advantages of simple structure, convenience in operation and accurate simulation of the actual working condition of a vehicle.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: the invention provides a suspension bogie comprehensive test bed, which comprises a base, a gantry loading device, a bracket arm detection device, a supporting structure platform, a transfer device, an electrical control system and an acquisition test system, wherein the base comprises a base frame, a gantry loading device, a bracket arm detection device, a supporting structure platform, a transfer device and an electrical control system, and the acquisition test system comprises: the number of the gantry loading devices is two, and the two gantry loading devices are parallelly and alternately arranged on the base in a standing manner; the number of the bracket arm detection devices is two, and the two bracket arm detection devices are parallelly and vertically arranged on the base at intervals and are positioned between the two gantry loading devices; the supporting structure platform is fixed on the base and is arranged perpendicular to the gantry loading device; the transfer device is connected with the base through two sliding guide rails arranged in parallel; the electrical control system is respectively connected with the gantry loading device, the bracket arm detection device and the supporting structure platform; the acquisition and test system is connected with the electrical control system and is used for completing the vertical loading measurement, the supporting arm rolling amount measurement, the linear motor air gap measurement and the suspension electromagnet air gap measurement of the suspension bogie.
Further, the basic base includes main base, two trailing arm detection bases, two preceding direction bases and four first limit stop at least, two trailing arm detection bases install respectively in the left and right sides of main base, two preceding direction bases all set up in the front side of main base to constitute the support base that is used for supporting two sliding guide with main base jointly, and two the both ends of guide rail all are provided with first limit stop.
Furthermore, each gantry loading device comprises two loading upright columns which are arranged in parallel, the upper ends of the two loading upright columns are transversely provided with loading cross beams which are perpendicular to the two loading upright columns, the two ends of each loading cross beam are provided with first lifting devices which can slide up and down, and air springs (13) are arranged at the lower ends of the first lifting devices.
Furthermore, the supporting arm detection device comprises two parallel testing upright columns, and the upper ends of the two testing upright columns are transversely provided with testing beams perpendicular to the two testing upright columns.
Further, the bearing structure platform includes I-steel base, sleeper, F rail, second limit stop and second laser sensor: the I-shaped steel base is fixed on the foundation base, the number of the sleepers is a plurality, and the sleepers are fixed on the I-shaped steel base in parallel at intervals; the number of the F rails is two, and the two F rails are vertically arranged on the plurality of sleepers in parallel at intervals; and at least one equidirectional end of the two F rails is provided with a second limit stop.
Further, transfer device includes connecting rod, second elevating gear, dolly body frame, third stopper at least, supports stopper, commutator, motor, control button box and electric box: the two trolley main frames are arranged on the two sliding guide rails in a parallel and spaced sliding manner, and the connecting rod is arranged between the two trolley main frames; each trolley main frame is provided with a second lifting device, and the second lifting devices are driven by a motor; the control button box is provided with two buttons of ascending and descending and is used for controlling the positive and negative rotation of the motor; the commutator is connected with the motor.
Furthermore, the acquisition testing system comprises a first laser sensor, a second laser sensor and a pressure sensor, wherein the first laser sensor is arranged at two ends of the testing beam and used for measuring the rolling amount of the supporting arm; the second laser sensor is arranged on the two F rails and used for measuring a linear motor air gap and a suspension electromagnet air gap of the suspension bogie; the pressure sensor is arranged between the first lifting device and the air spring and used for measuring vertical loading force.
On the other hand, the invention also provides suspension bogie comprehensive test equipment which comprises a suspension controller, a liquid-gas source cabinet, an electric cabinet, a power supply cabinet, a detection cabinet and any suspension bogie comprehensive test bed arranged on the suspension controller, wherein the electric control system is arranged in the electric cabinet, the electric cabinet is respectively connected with the liquid-gas source cabinet and the detection cabinet, the liquid-gas source cabinet is used for providing compressed air for an air spring of the gantry loading device, and the detection cabinet is connected with the acquisition and test system through the electric control system and is used for completing data acquisition, processing and storage of the acquisition and test system, and displaying of a measurement result, query of a measurement record and generation and printing of a measurement report.
The comprehensive test equipment for the suspension bogie further comprises a hydraulic pressure maintaining test system, and the hydraulic pressure maintaining test system and a hydraulic wheel oil way of the suspension bogie are connected in series to form a hydraulic loop.
Compared with the prior art, the invention has the following advantages:
1) the designed suspension bogie comprehensive test equipment can fully automatically detect various index parameters of the tested suspension bogie;
2) the designed transfer device adopts a guide rail type structure, and has the advantages of simple structure, convenient operation, high precision and the like;
3) the second lifting device in the transfer device is designed into an electric lifting mode, and the transfer device has the advantages of convenience and rapidness in operation and accuracy in positioning;
4) the gantry loading device adopts a high-precision pressure sensor to measure the vertical loading force so as to achieve the purpose of accurately simulating the actual working condition of the vehicle;
5) the second laser sensor is used as a main measuring element for gap measurement (a linear motor air gap and a suspension electromagnet air gap), and has the characteristics of high precision and strong anti-interference capability;
6) the suspension bogie comprehensive test equipment can fully automatically detect all detection contents according to a detection flow, automatically print a detection report, and design a database, so that historical detection data can be conveniently consulted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic perspective view of a suspension bogie comprehensive test bed according to the present invention;
FIG. 2 is a schematic perspective view of the base of FIG. 1;
FIG. 3 is a schematic perspective view of the gantry loading apparatus shown in FIG. 1;
FIG. 4 is a schematic perspective view of the supporting arm detecting device shown in FIG. 1;
FIG. 5 is a perspective view of the support structure platform of FIG. 1;
FIG. 6 is a schematic perspective view of the transfer device shown in FIG. 1;
fig. 7 is a schematic perspective view of a suspension bogie comprehensive test device according to the present invention.
The corresponding relation of the reference numbers is as follows:
1. foundation base 2, gantry loading device 3 and bracket detection device
4. Supporting structure platform 5, transfer device 6 and pedal
7. Bracket detection base 8, main base 9 and sliding guide rail
10. Front guide base 11, first limit stop 12 and adjusting sizing block
13. Air spring 14, loading upright post 15 and first lifting device
16. Loading beam 17, test stand column 18 and test beam
19. First laser sensor 20, sensor mounting frame 21 and I-steel base
22. Sleeper 23, F rail 24, second limit stop
25. Second laser sensor 26, connecting rod 27, second elevating gear
28. The main frame 29 of the trolley, the third limited block 30 and the supporting limited block
29. 31, commutator 32, motor 33, control button box
34. Electric box 41, suspension controller 42 and liquid-gas source cabinet
43. Electrical cabinet 44, power cabinet 45, detection cabinet
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The use orientations such as "left", "right", "front", "rear", "upper" and "lower" are based on the view shown in fig. 1. The terms "first", "second" and "third" are used mainly to distinguish different components, but do not specifically limit the components.
Referring to fig. 1 to 6, the suspension bogie comprehensive test bed of the invention comprises a base 1, a gantry loading device 2, a bracket arm detection device 3, a support structure platform 4, a transfer device 5, an electrical control system and an acquisition test system: the number of the gantry loading devices 2 is two, and the two gantry loading devices 2 are parallelly and alternately arranged on the base 1; the number of the bracket arm detection devices 3 is two, and the two bracket arm detection devices 3 are parallelly and alternately arranged on the base 1 and are positioned between the two gantry loading devices 2; the supporting structure platform 4 is fixed on the base 1 and is arranged perpendicular to the gantry loading device 2; the transfer device 5 is connected with the base 1 through two sliding guide rails 9 arranged in parallel; the electrical control system is respectively connected with the gantry loading device 2, the bracket arm detection device 3 and the supporting structure platform 4; the acquisition and test system is connected with the electrical control system and is used for completing the vertical loading measurement, the supporting arm rolling amount measurement, the linear motor air gap measurement and the suspension electromagnet air gap measurement of the suspension bogie. Preferably, the acquisition testing system comprises a first laser sensor 19, a second laser sensor 25 and a pressure sensor, wherein the first laser sensor 19 is used for measuring the rolling amount of the supporting arm; the second laser sensor 25 is used for measuring a linear motor air gap and a suspension electromagnet air gap of the suspension bogie; the pressure sensor is arranged between the first lifting device 15 and the air spring 13 and used for detecting vertical loading force. It should be noted that the linear motor air gap is the air gap from the lower surface of the linear motor to the upper surface of the F-rail aluminum reaction plate, and the suspension electromagnet air gap is the gap from the magnetic pole surface of the F-rail to the magnetic pole surface of the suspension electromagnet.
Specifically, referring to fig. 2, the base 1 at least includes a pedal 6, a main base 8, two bracket detecting bases 7, two front guide bases 10, four first limit stoppers 11 and a plurality of adjusting shims 12, and the two bracket detecting bases 7 are respectively installed on the left and right sides of the main base 8; the two pedal plates 6 are respectively arranged on the outer side surfaces of the two bracket arm detection bases 7; two preceding direction bases 10 all set up in the front side of main base 8 to constitute the support base that is used for supporting two sliding guide 9 with main base 8 jointly, and the both ends of two sliding guide 9 all are provided with first limit stop 11 in order to prevent transfer device 5 derail, and guaranteed the position accuracy of the suspension bogie that detects. The bracket detecting base 7 and the main base 8 are separated, so that the vibration generated by the main base 8 is prevented from affecting the bracket detecting device 3. It should be noted that, in order to prevent the front guiding base 10 and the main base 8 from being unequal in height and affecting the sliding of the transferring device 5, a plurality of adjusting parallels 12 are respectively disposed at the lower end of the front guiding base 10.
Meanwhile, as shown in fig. 3, each gantry loading device mainly comprises an air spring 13, two loading columns 14, a first lifting device 15 and a loading cross beam 16, the number of the loading columns 14 is two, the two loading columns 14 are arranged in parallel, the upper ends of the loading cross beams are transversely provided with the loading cross beams 16 perpendicular to the loading columns, the two ends of each loading cross beam 16 are provided with the first lifting devices 15 capable of sliding up and down, each lifting device 15 is driven and controlled by an independent servo motor and can be loaded independently according to detection requirements to meet test requirements, the lower end of each first lifting device 15 is provided with the air spring 13, and a pressure sensor is arranged between each first lifting device 15 and the air spring 13 and used for measuring vertical loading force. It should be noted that the first lifting device 15 is preferably a screw rod, and the vertical displacement of the air spring 13 is driven by four synchronous screw rods driven by a servo motor. After the suspension bogie reaches the detection position, the air spring 13 connected to the end part below the suspension bogie is pressed into a supporting arm air spring cavity of the suspension bogie by controlling the screw rod to move downwards, then the liquid air source cabinet 42 is controlled by the electric control system to inflate the air spring 13, the vertical loading force is detected by the pressure sensor arranged above the air spring 13, and then the air spring 13 is controlled to inflate and deflate, so that the control and measurement of different vertical loading forces are realized. After the vertical loading measurement is finished, the air spring 13 is controlled to deflate, the air spring 13 is lifted out of an air spring cavity of the suspension bogie through the control screw rod, and the suspension bogie can be transported away through the transporting device 5.
Further, as shown in fig. 4, each support arm detection device 3 mainly comprises two test columns 17, two test beams 18, a first laser sensor 19 and a sensor mounting frame 20, the two test columns 17 are arranged in parallel, the upper ends of the two test columns 17 are transversely provided with the test beams 18 perpendicular to the two test columns, the first laser sensors 19 are arranged at two ends of the test beams 18, and the vertical distance from the first laser sensors 19 to the upper surface of the support arm is measured by the present invention, so as to calculate the support arm rolling amount. The laser displacement sensor is used for measuring the vertical height of the supporting arm by a reflection type triangular method, and the measurement precision and the anti-interference capability are high.
As a preferred embodiment of the invention, referring to fig. 5, the support structure platform 4 includes an i-steel base 21, ties 22, F-rails 23, and second limit stops 24. The I-shaped steel base 21 is fixed on the base 1, the number of the sleepers 22 is several, and the sleepers 22 are fixed on the I-shaped steel base 21 in parallel at intervals; the number of the F rails 23 is two, and the two F rails 23 are vertically arranged on the plurality of sleepers 22 in parallel at intervals; at least one of the two F rails 23 is provided with a second limit stop 24 at the same direction end, and a second laser sensor 25 is installed on the two F rails 23. It should be noted that, pressure laser sensor mounting holes are uniformly distributed on the two F rails 23, and the second laser sensor 25 is mounted on the two F rails 23 through the pressure laser sensor mounting holes.
Meanwhile, as shown in fig. 6, the transfer device 5 at least includes a connecting rod 26, a second lifting device 27, a cart main frame 28, a third stopper 29, a support stopper 30, a commutator 31, a motor 32, a control button box 33, and an electrical box 34: the number of the trolley main frames 28 is two, the two trolley main frames 28 are arranged on the two sliding guide rails 9 in a parallel and interval sliding manner, and the connecting rod 26 is arranged between the two trolley main frames 28; each trolley main frame 28 is provided with a lifting device 27, and the lifting device 27 is driven by a motor 32; the control button box 33 is provided with two buttons of ascending and descending for controlling the positive and negative rotation of the motor 32, and the commutator is connected with the motor 32. The suspension bogie is controlled by the second lifting device 27 to fall at the detection position, so that the transfer from a previous station to the comprehensive test bed of the suspension bogie is realized.
On the other hand, the invention also provides a suspension bogie comprehensive test device, as shown in fig. 7, which comprises a suspension controller 41, a liquid-gas source cabinet 42, an electrical cabinet 43, a power supply cabinet 44, a detection cabinet 45, a hydraulic pressure maintaining test system and a suspension bogie comprehensive test bed thereon, wherein the electrical control system is installed in the electrical cabinet 43, the electrical cabinet 43 is respectively connected with the liquid-gas source cabinet 42 and the detection cabinet 45, the liquid-gas source cabinet 42 is used for providing compressed air for the air spring 13 of the gantry loading device, the detection cabinet 45 is connected with the acquisition test system through the electrical control system, and the hydraulic pressure maintaining test system and a hydraulic wheel oil circuit of the suspension bogie are connected in series to form a hydraulic circuit. Specifically, the electrical control system of the electrical cabinet 43 mainly comprises a PLC controller, a servo motor driver and the like, wherein the PLC controller is a lower computer in the test equipment and receives a logic control instruction of a measurement and control computer in the detection cabinet to realize direct logic control of specific equipment such as the servo motor, the hydraulic system, the air compressor, the air spring inflation and deflation, the first lifting device and the like; the liquid gas source cabinet 42 mainly comprises a small-sized hydraulic station, a hydraulic pipeline and a valve bank, a small-sized air compressor, a gas circuit and a valve bank and the like, and mainly realizes the purpose of providing a pressure oil source and compressed air for the gantry loading device 2, the bracket arm detection device 3, the supporting structure platform 4 and the transfer device 5, and the operation control of the gantry loading device, the bracket arm detection device, the supporting structure platform and the transfer device is completed by a PLC (programmable logic controller) in the electric cabinet; the measurement and control cabinet mainly comprises an industrial personal computer, a data acquisition system, a printer and the like, the measurement and control cabinet mainly completes the functions of data acquisition, processing and storage of the acquisition and test system, human-computer interaction of measurement result display, measurement record query, measurement report generation, printing and the like, the measurement and control system of an upper computer and a lower computer is formed between the industrial personal computer and the PLC, and the setting and modification of control parameters are completed through a human-computer interaction terminal. The hydraulic pressure maintaining test system mainly comprises a control valve group, an oil pressure sensor, a hydraulic hose, a quick connector and the like. An operator connects the equipment and a hydraulic wheel oil circuit of the suspension bogie in series through a hydraulic hose and a quick connector to form a hydraulic loop, and the equipment controls a hydraulic station to circularly inject oil into a hydraulic wheel of the suspension bogie for a period of time so as to evacuate air in the hydraulic wheel; and then controlling the hydraulic station to gradually increase the oil pressure of the loop until the oil pressure exceeds 18MPa, closing oil inlet and outlet valves of the loop, and starting a pressure maintaining test. During the pressure maintaining period, the equipment detects the change of the oil pressure along with the time, and judges whether the pressure maintaining test is passed according to whether the pressure drop during the pressure maintaining period exceeds 0.36 MPa.
The working principle of the suspension bogie comprehensive test equipment is as follows: firstly, after the suspension bogie is assembled, moving the suspension bogie to a suspension bogie comprehensive test bed through a transfer device 5; secondly, the suspension bogie is positioned at a detection position through a sliding guide rail 9 and is descended to a state that a skid is supported by the rail; thirdly, relevant data are measured by the collecting and testing system, specifically, the rolling amount of the supporting arm is measured by a first laser sensor 19 arranged above each supporting arm, the measurement of the air gap of the linear motor and the air gap of the suspension electromagnet is measured by a second laser sensor 25 arranged on an F rail, a given vertical load is applied to the suspension bogie by a gantry loading device 2, the condition that the rolling amount of the supporting arm changes along with the load can be measured, the anti-rolling rigidity of the suspension bogie is further calculated, and the vertical loading force is detected by a pressure sensor; fourthly, the suspension bogie is controlled to suspend/fall under the action of the suspension controller 41, and the floating and suspension currents under different loads can be measured; fifthly, applying a given vibration to the suspension module through the suspension controller 41, the vibration performance of the suspension bogie in the suspension state can be measured; sixthly, gradually pressurizing the hydraulic wheel system of the suspension bogie to be more than 18MPa through the liquid gas source cabinet 42, maintaining the pressure for 20min, measuring the initial pressure and the final pressure, and realizing the pressure maintaining test function of the hydraulic wheel; and seventhly, generating a test report according to the test data after all the tests are finished.
In summary, compared with the prior art, the invention has the following advantages:
1) the designed suspension bogie comprehensive test equipment can fully automatically detect various index parameters of the tested suspension bogie;
2) the designed transfer device 5 adopts a guide rail type structure, and has the advantages of simple structure, convenient operation, high precision and the like;
3) the second lifting device 27 in the transfer device 5 is designed into an electric lifting mode, and has the advantages of convenience and rapidness in operation and accuracy in positioning;
4) a gantry loading device 2 formed by matching a servo motor and a screw rod is adopted, and a high-precision pressure sensor is used for measuring a vertical loading force, so that the aim of accurately simulating the actual working condition of a vehicle is fulfilled;
5) the laser sensor is used as a main measuring element for gap measurement (a linear motor air gap and a suspension electromagnet air gap), and has the characteristics of high precision and strong anti-interference capability;
6) the suspension bogie comprehensive test equipment can fully automatically detect all detection contents according to a detection flow, automatically print a detection report, and design a database, so that historical detection data can be conveniently consulted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a suspension bogie combined test platform which characterized in that, includes basic base (1), longmen loading device (2), trailing arm detection device (3), bearing structure platform (4), transfer device (5), electrical control system and gathers test system: the number of the gantry loading devices (2) is two, and the two gantry loading devices (2) are erected on the base (1) in parallel at intervals; the number of the bracket arm detection devices (3) is two, and the two bracket arm detection devices (3) are erected on the base (1) in parallel at intervals and are positioned between the two gantry loading devices (2); the supporting structure platform (4) is fixed on the base (1) and is arranged perpendicular to the gantry loading device (2); the transfer device (5) is connected with the base (1) through two sliding guide rails (9) arranged in parallel; the electrical control system is respectively connected with the gantry loading device (2), the bracket arm detection device (3) and the supporting structure platform (4); the acquisition and test system is connected with the electrical control system and is used for completing the vertical loading measurement, the supporting arm rolling amount measurement, the linear motor air gap measurement and the suspension electromagnet air gap measurement of the suspension bogie.
2. The suspension bogie comprehensive test bed according to claim 1, wherein the base (1) at least comprises a main base (8), two bracket arm detection bases (7), two front guide bases (10) and four first limit stops (11), the two bracket arm detection bases (7) are respectively installed at the left side and the right side of the main base (8), the two front guide bases (10) are both arranged at the front side of the main base (8) and jointly form a supporting base for supporting two sliding guide rails (9) with the main base (8), and the first limit stops (11) are arranged at both ends of the two sliding guide rails (9).
3. The suspension bogie comprehensive test bed according to claim 2, wherein each gantry loading device (2) comprises two loading columns (14) which are arranged in parallel, the upper ends of the two loading columns (14) are transversely provided with loading beams (16) which are perpendicular to the two loading columns, the two ends of each loading beam (16) are provided with first lifting devices (15) which can slide up and down, and air springs (13) are arranged at the lower ends of the first lifting devices (15).
4. The suspension bogie comprehensive test bed according to claim 3, characterized in that each bracket arm detection device (3) comprises two parallel test columns (17), and the upper ends of the two test columns (17) are transversely provided with test beams (18) perpendicular to the test columns.
5. Suspension bogie comprehensive test bed according to claim 4, characterized in that the support structure platform (4) comprises an I-steel base (21), a sleeper (22), an F rail (23) and a second limit stop (24): the I-shaped steel base (21) is fixed on the base (1), the number of the sleepers (22) is a plurality, and the sleepers (22) are fixed on the I-shaped steel base (21) in parallel at intervals; the number of the F rails (23) is two, and the two F rails (23) are vertically arranged on a plurality of sleepers (22) in parallel at intervals; at least one equidirectional end of the two F rails (23) is provided with a second limit stop (24).
6. Suspension bogie comprehensive test bed according to claim 5, characterized in that the transfer device (5) comprises at least a connecting rod (26), a second lifting device (27), a trolley main frame (28), a third stopper (29), a support stopper (30), a commutator (31), a motor (32), a control button box (33) and an electrical box (34): the number of the trolley main frames (28) is two, the two trolley main frames (28) are arranged on the two sliding guide rails (9) in a parallel and spaced sliding manner, and the connecting rod (26) is arranged between the two trolley main frames (28); each trolley main frame (28) is provided with a second lifting device (27), and the second lifting device (27) is driven by a motor (32); the control button box (33) is provided with two buttons of ascending and descending and is used for controlling the positive and negative rotation of the motor (32); the commutator is connected with a motor (32).
7. The suspension bogie comprehensive test bed according to claim 6, wherein the acquisition test system comprises a first laser sensor (19), a second laser sensor (25) and a pressure sensor, and the first laser sensors (19) are arranged at two ends of a test beam (18) and used for measuring the rolling amount of a supporting arm; the second laser sensors (25) are arranged on the two F rails (23) and used for measuring a linear motor air gap and a suspension electromagnet air gap of the suspension bogie; the pressure sensor is arranged between the first lifting device (15) and the air spring (13) and is used for measuring vertical loading force.
8. The comprehensive test equipment for the suspension bogie is characterized by comprising a suspension controller (41), a liquid-gas source cabinet (42), an electric cabinet (43), a power supply cabinet (44), a detection cabinet (45) and the comprehensive test bed for the suspension bogie as claimed in any one of claims 1 to 7, wherein the electric control system is installed in the electric cabinet (43), the electric cabinet (43) is respectively connected with the liquid-gas source cabinet (42) and the detection cabinet (45), the liquid-gas source cabinet (42) is used for providing compressed air for an air spring (13) of a gantry loading device (2), and the detection cabinet (45) is connected with a collection test system through the electric control system and is used for completing data collection, processing and storage of the collection test system, and displaying, inquiring and generating and printing of measurement results and measurement reports.
9. The levitation bogie comprehensive test apparatus according to claim 8, further comprising a hydraulic pressure holding test system, wherein the hydraulic pressure holding test system is connected in series with a hydraulic wheel oil path of the levitation bogie to form a hydraulic circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313121.3A CN112525563B (en) | 2020-11-20 | 2020-11-20 | Suspension bogie comprehensive test bed and test equipment |
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|---|---|---|---|
| CN202011313121.3A CN112525563B (en) | 2020-11-20 | 2020-11-20 | Suspension bogie comprehensive test bed and test equipment |
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| CN112525563A true CN112525563A (en) | 2021-03-19 |
| CN112525563B CN112525563B (en) | 2023-11-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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