CN112525563B - Suspension bogie comprehensive test bed and test equipment - Google Patents
Suspension bogie comprehensive test bed and test equipment Download PDFInfo
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- CN112525563B CN112525563B CN202011313121.3A CN202011313121A CN112525563B CN 112525563 B CN112525563 B CN 112525563B CN 202011313121 A CN202011313121 A CN 202011313121A CN 112525563 B CN112525563 B CN 112525563B
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 239000000725 suspension Substances 0.000 title claims abstract description 82
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000012546 transfer Methods 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 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
- 239000007788 liquid Substances 0.000 claims description 5
- 241001669679 Eleotris Species 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000005339 levitation Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 239000000306 component Substances 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
- 238000004513 sizing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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Abstract
The invention provides a suspension bogie comprehensive test bed and test equipment, which comprises a foundation 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 two gantry loading devices are arranged on the foundation base: the two gantry loading devices are arranged on the foundation base in parallel at intervals; the two bracket arm detection devices are vertically arranged on the foundation base and are positioned between the two gantry loading devices; the supporting structure platform is fixed on the foundation base and is perpendicular to the gantry loading device; the transfer device is connected with the foundation base through two sliding guide rails which are arranged in parallel; the electric control system is respectively connected with the gantry loading device, the bracket arm detection device and the support structure platform; the acquisition test system is connected with the electrical control system and is used for measuring the vertical loading of the suspension bogie, the rolling quantity of the supporting arm, 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 condition of the suspension bogie are directly related to the running safety of the train. Therefore, before loading the bogie, the performance of the bogie needs to be comprehensively tested so as to ensure that the bogie works normally after loading. Meanwhile, after a period of operation, equipment is required to be used on the ground for maintenance and fault hidden trouble detection.
The integrated test bed for the suspension bogie of the medium-speed maglev train is mainly used for medium-speed maglev train sections and integrated bases, and is special equipment for comprehensively evaluating the manufacturing and assembling quality of bogie assemblies so as to determine whether the bogie meets the requirements of assembly and line-up.
Disclosure of Invention
In view of the above, the invention provides a suspension bogie comprehensive test bed and test equipment, which have the advantages of simple structure, convenient operation and accurate simulation of actual working conditions of vehicles.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows: the invention provides a suspension bogie comprehensive test bed which comprises a foundation base, a gantry loading device, a bracket detection device, a support structure platform, a transfer device, an electrical control system and an acquisition test system, wherein the gantry loading device is arranged on the foundation base: the number of the gantry loading devices is two, and the two gantry loading devices are arranged on the foundation base in parallel at intervals; the number of the supporting arm detection devices is two, and the two supporting arm detection devices are arranged on the foundation base in parallel at intervals and are positioned between the two gantry loading devices; the supporting structure platform is fixed on the foundation base and is perpendicular to the gantry loading device; the transfer device is connected with the foundation base through two sliding guide rails which are arranged in parallel; the electric control system is respectively connected with the gantry loading device, the bracket arm detection device and the support structure platform; the acquisition test system is connected with the electrical control system and is used for finishing vertical loading measurement of the suspension bogie, bracket rolling quantity measurement, linear motor air gap measurement and suspension electromagnet air gap measurement.
Further, the foundation base includes main base, two trailing arm detection bases, two preceding direction bases and four first limit stop, two the trailing arm detection bases is installed 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 jointly with main base, and two the both ends of guide rail all are provided with first limit stop.
Further, each gantry loading device comprises two loading stand columns which are arranged in parallel, loading cross beams which are perpendicular to the two loading stand columns are transversely arranged at the upper ends of the two loading stand columns, first lifting devices capable of sliding up and down are arranged at the two ends of each loading cross beam, and air springs (13) are arranged at the lower ends of each first lifting device.
Further, the bracket detection device comprises two parallel test upright posts, and the upper ends of the two test upright posts are transversely provided with a test cross beam perpendicular to the test upright posts.
Further, the support structure platform comprises an I-steel base, a sleeper, an F-rail, a second limit stop and a 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 parallel and fixed on the I-shaped steel base at intervals; the number of the F-shaped rails is two, and the two F-shaped rails are vertically arranged on a plurality of sleepers in parallel at intervals; at least one of the two F-shaped rails is provided with a second limit stop.
Further, transfer device includes connecting rod, second elevating gear, dolly body frame, third stopper, supports stopper, commutator, motor, control button box and electrical box at least: the number of the trolley main frames is two, the two trolley main frames are parallel and are slidably arranged on the two sliding guide rails at intervals, and the connecting rod is arranged between the two trolley main frames; a second lifting device is arranged on each trolley main frame and driven by a motor; the control button box is provided with two lifting buttons and two descending buttons which are used for controlling the forward and reverse rotation of the motor; the commutator is connected with the motor.
Further, the acquisition test 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 test beam and is used for measuring the rolling quantity of the bracket arm; the second laser sensor is arranged on the two F rails and is used for measuring the air gap of the linear motor and the air gap of the suspension electromagnet of the suspension bogie; the pressure sensor is arranged between the first lifting device and the air spring and is used for measuring vertical loading force.
On the other hand, the invention also provides a suspension bogie comprehensive test device, which comprises a suspension controller, a liquid-gas source cabinet, an electric cabinet, a power supply cabinet, a detection cabinet and any one of the suspension bogie comprehensive test tables, 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 a gantry loading device, and the detection cabinet is connected with an acquisition test system through the electric control system and is used for completing data acquisition, processing and storage of the acquisition test system, measurement result display, measurement record inquiry and measurement report generation and printing.
The integrated 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 integrated test equipment for the suspension bogie can fully automatically detect various index parameters of the suspension bogie to be tested;
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 has the advantages of convenient and quick operation and accurate 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 adopted 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 each detection content according to the detection flow, automatically print detection reports, and is provided with a database, so that historical detection data can be conveniently consulted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic perspective view of a suspension truck integrated test stand 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 of FIG. 1;
FIG. 4 is a schematic perspective view of the bracket arm detection device in FIG. 1;
FIG. 5 is a schematic perspective view of the support structure platform of FIG. 1;
FIG. 6 is a schematic perspective view of the transfer device of FIG. 1;
fig. 7 is a schematic perspective view of a suspension bogie integrated test apparatus according to the present invention.
The correspondence of the reference numerals is:
1. base 2, gantry loading device 3 and bracket detection device
4. Support structure platform 5, transfer device 6 and foot pedal
7. Bracket arm 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 column 15, first lifting device
16. Loading beam 17, test upright 18, test beam
19. First laser sensor 20, sensor mounting rack 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. Trolley main frame 29, third limiting block 30 and supporting limiting block
31. Commutator 32, motor 33 and control button box
34. Electric box 41, suspension controller 42, liquid-gas source cabinet
43. Electric cabinet 44, power supply cabinet 45 and detection cabinet
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The directions of use, such as "left", "right", "front", "rear", "up", "down", are all based on the view shown in fig. 1. The terms "first," "second," and "third" are used primarily to distinguish between different components, but not to limit the components specifically.
Referring to fig. 1 to 6, the suspension bogie comprehensive test bed of the present invention comprises a foundation 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 arranged on the foundation base 1 in parallel at intervals; the number of the bracket detection devices 3 is two, and the two bracket detection devices 3 are arranged on the foundation 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 foundation base 1 and is arranged perpendicular to the gantry loading device 2; the transfer device 5 is connected with the foundation base 1 through two sliding guide rails 9 which are arranged in parallel; the electric control system is respectively connected with the gantry loading device 2, the bracket arm detection device 3 and the support structure platform 4; the acquisition test system is connected with the electrical control system and is used for finishing vertical loading measurement of the suspension bogie, bracket rolling quantity measurement, linear motor air gap measurement and suspension electromagnet air gap measurement. Preferably, the acquisition test system comprises a first laser sensor 19, a second laser sensor 25 and a pressure sensor, the first laser sensor 19 being used for measuring the amount of roll of the trailing arm; the second laser sensor 25 is used for measuring the air gap of the linear motor and the air gap of the suspension electromagnet of the suspension bogie; a pressure sensor is installed between the first elevating device 15 and the air spring 13 for detecting a vertical loading force. The air gap of the linear motor 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 air gap of the suspension electromagnet is the gap from the magnetic pole surface of the F-rail to the pole surface of the suspension electromagnet.
Specifically, referring to fig. 2, the base 1 at least includes a foot pedal 6, a main base 8, two bracket detection bases 7, two front guide bases 10, four first limit stops 11 and a plurality of adjustment sizing blocks 12, the two bracket detection bases 7 are respectively mounted on the left and right sides of the main base 8; the number of the foot pedals 6 is two, and the foot pedals are respectively arranged on the outer side surfaces of the two bracket arm detection bases 7; the two front guide bases 10 are all arranged on the front side of the main base 8 and form a supporting base together with the main base 8 for supporting the two sliding guide rails 9, and the two ends of the two sliding guide rails 9 are all provided with first limit stops 11 for preventing the transfer device 5 from derailing, and ensuring the position accuracy of the detected suspension bogie. The above-mentioned bracket detection 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 detection device 3. In order to prevent the front guide base 10 from being not equal to the main base 8 and affecting the sliding of the transfer device 5, a plurality of adjusting shims 12 are respectively disposed at the lower ends of the front guide base 10.
Meanwhile, as shown in fig. 3, each gantry loading device mainly comprises an air spring 13, loading upright posts 14, first lifting devices 15 and loading cross beams 16, the number of the loading upright posts 14 is two, the two loading upright posts 14 are arranged in parallel, the loading cross beams 16 perpendicular to the loading upright posts are transversely arranged at the upper ends of the loading upright posts, the first lifting devices 15 capable of sliding up and down are arranged at the two ends of the loading cross beams 16, each lifting device 15 is driven and controlled by a separate servo motor, the test requirement can be met by separate loading according to the detection requirement, the air spring 13 is arranged at the lower end of each first lifting device 15, and a pressure sensor is arranged between the first lifting device 15 and the air spring 13 and used for measuring vertical loading force. The first lifting device 15 is preferably a screw rod, and the air spring 13 is vertically displaced and 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 lower end part of the suspension bogie is pressed into the bracket arm air spring cavity of the suspension bogie through the control screw rod in a downward movement mode, then the air spring 13 is inflated through the control liquid air source cabinet 42 of the electric control system, the vertical loading force is detected through the pressure sensor arranged above the air spring 13, and then the air spring 13 is inflated and deflated, so that control and measurement of different vertical loading forces are realized. After the vertical loading measurement is completed, the air spring 13 is controlled to be deflated, the air spring 13 is lifted out of the hollow 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 bracket detection device 3 mainly comprises two test upright posts 17, a test cross beam 18, a first laser sensor 19 and a sensor mounting frame 20, wherein the number of the test upright posts 17 is two, the two test upright posts 17 are arranged in parallel, the upper ends of the two test upright posts 17 are transversely provided with the test cross beam 18 which is vertical to the test upright posts, the first laser sensor 19 is arranged at two ends of the test cross beam 18, and the first laser sensor 19 measures the vertical distance from the first laser sensor 19 to the upper surface of the bracket, so that the rolling quantity of the bracket is obtained. The laser displacement sensor measures the vertical height of the bracket arm by using a reflective triangle method, and has higher measurement accuracy and anti-interference capability.
As a preferred embodiment of the invention, referring to fig. 5, the support structure platform 4 comprises a i-steel base 21, sleepers 22, F-rails 23 and a second limit stop 24. The I-steel base 21 is fixed on the foundation base 1, the number of the sleepers 22 is a plurality, and the sleepers 22 are fixed on the I-steel base 21 in parallel at intervals; the number of the F-shaped rails 23 is two, and the two F-shaped rails 23 are vertically arranged on a 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, and a second laser sensor 25 is mounted on both F-rails 23. The two F-rails 23 are uniformly provided with pressure laser sensor mounting holes, 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 trolley main frame 28, a third stopper 29, a supporting 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 parallel and are slidably arranged on the two sliding guide rails 9 at intervals, and the connecting rod 26 is arranged between the two trolley main frames 28; a lifting device 27 is arranged on each trolley main frame 28, and the lifting device 27 is driven by a motor 32; the control button box 33 is provided with two buttons of up and down for controlling the forward and reverse rotation of the motor 32, and the commutator is connected with the motor 32. The invention realizes the transfer from the previous station to the comprehensive test bed of the suspension bogie by controlling the second lifting device 27 to drop the suspension bogie at the detection position.
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 the suspension bogie comprehensive test table, wherein the electrical control system is arranged 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 an air spring 13 of a 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 way 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 logic control instructions of a measurement and control computer in the detection cabinet, so that direct logic control of specific equipment such as a servo motor, a hydraulic system, an air compressor, air spring inflation and deflation, a first lifting device and the like is realized; the liquid air source cabinet 42 mainly comprises a small hydraulic station, a hydraulic pipeline and valve group, a small air compressor, an air circuit and valve group and the like, and mainly provides pressure oil source and compressed air for the gantry loading device 2, the bracket detection device 3, the support structure platform 4 and the transfer device 5, and the operation control of the liquid air source cabinet is completed by a PLC (programmable logic controller) in the electrical cabinet 43; the measurement and control cabinet mainly comprises an industrial personal computer, a data acquisition system, a printer and the like, and mainly completes the functions of data acquisition, processing and storage of an acquisition and test system, display of measurement results, inquiry of measurement records, generation of measurement reports, man-machine interaction of printing and the like, wherein the measurement and control system of an upper computer and a lower computer is formed between the industrial personal computer and a PLC, and the setting and modification of control parameters are completed through a man-machine 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 device with a hydraulic wheel oil way of the suspension bogie in series through a hydraulic hose and a quick connector to form a hydraulic loop, and the device controls a hydraulic station to circularly inject oil into a hydraulic wheel of the suspension bogie for a period of time so as to exhaust air in the hydraulic station; and then controlling the hydraulic station to gradually lift the oil pressure of the loop until the oil pressure exceeds 18MPa, closing the loop oil inlet valve and the loop oil outlet valve, and starting a pressure maintaining test. The equipment detects the change condition of oil pressure along with time in the pressure maintaining period, and judges whether the pressure maintaining test is passed or not according to whether the pressure drop in the pressure maintaining period exceeds 0.36 MPa.
The working principle of the suspension bogie comprehensive test equipment is as follows: firstly, after the assembly of the suspension bogie is completed, the suspension bogie is moved to a suspension bogie comprehensive test bed through a transfer device 5; secondly, the suspension bogie is positioned at a detection position through the sliding guide rail 9 and falls to a state that the skid is supported by the rail; thirdly, relevant data are measured through the acquisition and test system, specifically, the rolling amount of the supporting arms is measured through a first laser sensor 19 arranged above each supporting arm, the air gap of a linear motor and the air gap of a suspension electromagnet are measured through a second laser sensor 25 arranged on an F rail, a given vertical load is applied to the suspension bogie through a gantry loading device 2, the condition that the rolling amount of the supporting arms changes along with the load can be measured, the rolling resistance of the suspension bogie is calculated, and the vertical loading force is detected through a pressure sensor; fourth, the suspension/landing of the suspension bogie is controlled under the action of the suspension controller 41, and the floating and suspension currents under different loads can be measured; fifth, the vibration performance of the levitation bogie in the levitation state can be measured by applying a given vibration to the levitation module through the levitation controller 41; sixthly, the hydraulic wheel system of the suspension bogie is pressurized to more than 18MPa step by step through a liquid gas source cabinet 42, the pressure is maintained for 20min, the initial pressure and the final pressure are measured, and the function of a hydraulic wheel pressure maintaining test is realized; seventh, after all the tests are completed, a test report is generated according to the test data.
In summary, compared with the prior art, the invention has the following advantages:
1) The designed integrated test equipment for the suspension bogie can fully automatically detect various index parameters of the suspension bogie to be tested;
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 to be an electric lifting mode, and has the advantages of convenient and quick operation and accurate positioning;
4) The gantry loading device 2 formed by matching a servo motor with a screw rod is adopted, and a high-precision pressure sensor is used for measuring the vertical loading force so as to achieve the purpose of accurately simulating the actual working condition of the vehicle;
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 each detection content according to the detection flow, automatically print detection reports, and is provided with a database, so that historical detection data can be conveniently consulted.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The utility model provides a suspension bogie integrated 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 collection test system: the number of the gantry loading devices (2) is two, and the two gantry loading devices (2) are arranged on the foundation base (1) in parallel at intervals; the number of the supporting arm detection devices (3) is two, and the two supporting arm detection devices (3) are arranged on the foundation 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 foundation base (1) and is perpendicular to the gantry loading device (2); the transfer device (5) is connected with the foundation base (1) through two sliding guide rails (9) which are arranged in parallel; the electric control system is respectively connected with the gantry loading device (2), the bracket arm detection device (3) and the support structure platform (4); the acquisition test system is connected with the electrical control system and is used for finishing vertical loading measurement of the suspension bogie, bracket rolling quantity measurement, linear motor air gap measurement and suspension electromagnet air gap measurement;
the foundation 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), wherein the two bracket arm detection bases (7) are respectively arranged on the left side and the right side of the main base (8), the two front guide bases (10) are all arranged on the front side of the main base (8), and form a supporting base for supporting two sliding guide rails (9) together with the main base (8), and the two ends of the two sliding guide rails (9) are respectively provided with the first limit stops (11); each gantry loading device (2) comprises two loading upright posts (14) which are arranged in parallel, loading cross beams (16) which are perpendicular to the two loading upright posts are transversely arranged at the upper ends of the two loading upright posts (14), first lifting devices (15) which can slide up and down are arranged at the two ends of each loading cross beam (16), and air springs (13) are arranged at the lower ends of each first lifting device (15); the first lifting device (15) is a screw rod, after the suspension bogie reaches a detection position, the air spring (13) connected to the lower end part of the suspension bogie is pressed into a bracket arm air spring cavity of the suspension bogie by controlling the screw rod to move downwards, then an electric control system is used for controlling a liquid air source cabinet (42) to inflate the air spring (13), a pressure sensor arranged above the air spring (13) is used for detecting vertical loading force, and then the air spring (13) is controlled to inflate and deflate, so that control and measurement of different vertical loading forces are realized;
the transfer device (5) at least comprises a connecting rod (26), a second lifting device (27), a trolley main frame (28), a third limiting block (29), a supporting limiting block (30), a commutator (31), a motor (32), a control button box (33) and an electric box (34): the number of the trolley main frames (28) is two, the two trolley main frames (28) are parallel and are slidably arranged on the two sliding guide rails (9) at intervals, and the connecting rod (26) is arranged between the two trolley main frames (28); a second lifting device (27) is arranged on each trolley main frame (28), and the second lifting devices (27) are driven by a motor (32); the control button box (33) is provided with two ascending and descending buttons for controlling the forward and backward rotation of the motor (32); the reverser (31) is connected with a motor (32), and the suspension bogie is lowered to a detection position by controlling the second lifting device (27).
2. The suspension bogie comprehensive test bed according to claim 1, wherein each of the trailing arm detection devices (3) comprises two parallel test columns (17), and the upper ends of the two test columns (17) are transversely provided with a test cross beam (18) perpendicular thereto.
3. The suspension bogie integrated test bench according to claim 2, characterized in that the support structure platform (4) comprises a i-steel base (21), a sleeper (22), an F-rail (23) and a second limit stop (24): the I-steel base (21) is fixed on the foundation base (1), the number of the sleepers (22) is a plurality, and the sleepers (22) are fixed on the I-steel base (21) in parallel at intervals; the number of the F-shaped rails (23) is two, and the two F-shaped rails (23) are vertically arranged on a plurality of sleepers (22) in parallel at intervals; at least one of the two F-shaped rails (23) is provided with a second limit stop (24) at the same direction end.
4. The suspension bogie integrated test bench according to claim 1, characterized in that the acquisition test system comprises a first laser sensor (19), a second laser sensor (25) and a pressure sensor, the first laser sensor (19) being mounted at both ends of the test beam (18) for measuring the amount of rolling of the trailing arm; the second laser sensor (25) is arranged on the two F rails (23) and is used for measuring the air gap of the linear motor and the air gap of the suspension electromagnet 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.
5. The integrated test equipment for the suspension bogie is characterized by comprising a suspension controller (41), a liquid-gas source cabinet (42), an electrical cabinet (43), a power supply cabinet (44), a detection cabinet (45) and the integrated test stand for the suspension bogie according to any one of claims 1 to 4, wherein the electrical control system is arranged 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 an air spring (13) of a gantry loading device (2), and the detection cabinet (45) is connected with an acquisition test system through the electrical control system and is used for completing data acquisition, processing and storage of the acquisition test system, measurement result display, measurement record inquiry, measurement report generation and printing.
6. The integrated test apparatus for a suspension truck of claim 5, further comprising a hydraulic dwell test system, wherein the hydraulic dwell test system is in series with the hydraulic wheel circuit of the suspension truck in a hydraulic circuit.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112525563A CN112525563A (en) | 2021-03-19 |
| CN112525563B true CN112525563B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011313121.3A Active CN112525563B (en) | 2020-11-20 | 2020-11-20 | Suspension bogie comprehensive test bed and test equipment |
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