CN110553859A - Shock resistance and fatigue test device for barrier remover for train - Google Patents
Shock resistance and fatigue test device for barrier remover for train Download PDFInfo
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- CN110553859A CN110553859A CN201810543333.7A CN201810543333A CN110553859A CN 110553859 A CN110553859 A CN 110553859A CN 201810543333 A CN201810543333 A CN 201810543333A CN 110553859 A CN110553859 A CN 110553859A
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 25
- 230000004888 barrier function Effects 0.000 title claims abstract description 18
- 230000035939 shock Effects 0.000 title description 2
- 238000002474 experimental method Methods 0.000 claims abstract description 96
- 239000004575 stone Substances 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000009863 impact test Methods 0.000 claims description 9
- 238000005381 potential energy Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification Methods 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 discloses an impact resistance and fatigue test device of a barrier removal device for a train, which is characterized in that: the device consists of a control console (1), an impact experiment table hydraulic source (2), an impact experiment table (3), a fatigue experiment table (4) and a fatigue experiment table hydraulic source (5), wherein the control console (1) respectively controls the impact experiment table hydraulic source (2) and the fatigue experiment table hydraulic source (5) to provide power for the impact experiment table (3) and the fatigue experiment table (4); the impact experiment table (3) is of a table structure, and the impact resistance of the obstacle deflector for the train is tested by ejecting stones; the fatigue experiment table (4) is of a box type structure, and the fatigue resistance of the train obstacle deflector is tested by applying vertical random vibration loads. The device integrates the impact characteristic and the fatigue characteristic of the obstacle deflector for the train, and has the advantages of simple structure and convenient operation.
Description
Technical Field
The invention relates to the field of rail transit impact resistance and fatigue test devices, in particular to an impact resistance and fatigue test device for a rail-mounted obstacle deflector.
Background
At present, with the rapid development of the rail transit industry in China, rail transit tools such as high-speed rails and motor cars are used by a large number of people for going out, and the safety problem caused by the rail transit tools is increasingly emphasized. The obstacle deflector for the train is used as a special tool for removing obstacles for the train in the running process of the train, and the guarantee of the impact and fatigue reliability of the obstacle deflector for the train is very important. At present, reliability research on the pilot is only carried out by Lijunxian et al of Zhongzhui electric locomotive Co., Ltd. and a static strength test method and a device (publication No. CN201710947145.6) of the pilot of the rail transit vehicle are disclosed. Therefore, in order to fully guarantee the use requirements of the fault deflector for the train, an experimental device is required to be invented to verify the impact performance and the fatigue performance of the fault deflector for the train.
Disclosure of Invention
Aiming at the existing problems, the invention aims to provide an impact resistance and fatigue test device for a train obstacle deflector, aiming at solving the problems of impact performance and fatigue performance verification of the train obstacle deflector.
In order to achieve the aim, the invention provides an impact resistance and fatigue test device of a barrier removal device for a train, which is characterized in that: the device mainly comprises a control console (1), an impact experiment table hydraulic source (2), an impact experiment table (3), a fatigue experiment table (4) and a fatigue experiment table hydraulic source (5), wherein the control console (1) respectively controls the impact experiment table hydraulic source (2) and the fatigue experiment table hydraulic source (5) to provide power for the impact experiment table (3) and the fatigue experiment table (4); the impact experiment table (3) is of a table structure, and the impact resistance of the obstacle deflector for the train is tested by ejecting stones; the fatigue experiment table (4) is of a box type structure, and the fatigue resistance of the train obstacle deflector is tested by applying vertical random vibration loads.
Furthermore, the control console (1) consists of a control console box body (6), a control computer (7) and 6 control buttons (8), and the control console (1) is connected with the impact experiment table hydraulic source (2) and the fatigue experiment table hydraulic source (5) through line pipelines (30).
Further, the hydraulic source (2) of the impact experiment table consists of a first oil tank (9), a first motor (10), a first high-pressure gear pump (13), a first oil filling port (14), a first liquid level meter (11), a first pressure regulating valve (16), a first high-precision pressure gauge (15), a first high-pressure oil pipe (17), a first energy accumulator (12) and a first cooler (18), wherein the first motor (10) is fixedly connected with the upper surface of the first oil tank (9) in a welding mode, the first high-pressure gear pump (13) is connected with the upper surface of the first oil tank (9) in a welding mode, and the first high-pressure gear pump (13) is connected with the inner part of the first oil tank (9) through the first oil. The first oil filling port (14) is located on the right side of the first high-pressure gear pump (13), and the first liquid level meter (11) is located on the front surface of the first oil tank (9) and assembled together through screw connection.
Furthermore, the impact experiment table (3) is connected with the impact experiment table hydraulic source (2) through a stretchable high-pressure loop oil pipe (19), the impact experiment table (3) is located between the impact experiment table hydraulic source (2) and the fatigue experiment table (4), and the impact experiment table (3) consists of a steel plate lower base (20), a steel plate upper base (31), 4 springs (21), a hollow ejection plate (27), 4 ejection guide rails (26), a hanging type object placing table (24), an ejection actuating cylinder (22), 8 spring slots (32), a rear steel plate (33), a stretchable high-pressure loop oil pipe (19) and an ejection plate (25); when the stones are ejected, a driving force is provided through a hydraulic source (2) of the impact experiment table, the hollowed ejection plate (27) is stretched backwards, hydraulic energy is converted into elastic potential energy of 4 springs, then the hollowed ejection plate (27) is released, the elastic potential energy of the 4 springs is converted into kinetic energy of the hollowed ejection plate (27), the stones on the suspended object placing table (24) are impacted through the ejection plate (25), the obstacle deflector (55) for the train is simulated to impact the stones, and the impact performance of the obstacle deflector (55) for the train is tested; the stretchable high-pressure loop oil pipe (19) is connected with the ejection actuating cylinder (22) in a threaded fit mode, the ejection actuating cylinder (22) is in clearance fit with the ejection piston rod (50), 4 springs (21) are inserted into 8 spring slots (32) respectively, the 8 spring slots (32) are welded to a rear steel plate (33) and a hollow ejection plate (27) respectively, the ejection plate (25) is connected with the hollow ejection plate (27) in a welding mode, the hollow size of the hollow ejection plate (27) is consistent with that of the hanging type object placing table (24), the hanging type object placing table (24) is located right in front of the hollow ejection plate (27), and the hanging type object placing table (24) is used for placing stones.
Furthermore, the fatigue experiment table (4) is positioned right in front of the impact experiment table (3), the left side of the hydraulic source (5) of the fatigue experiment table, the fatigue experiment table (4) is composed of a fatigue vibration actuating cylinder (28), a base (26) and a storage table (27), a stretchable high-pressure loop oil pipe (19), a protective screen (25) and a welding fixing plate (29), is connected with a hydraulic source (5) of the fatigue experiment table through a stretchable high-pressure loop oil pipe (19), the stretchable high-pressure loop oil pipe (19) is connected with the fatigue vibration actuating cylinder (28) in a threaded fit mode, the fatigue vibration actuating cylinder (28) is in clearance fit with the fatigue vibration piston rod (51), random vibration load is applied to the obstacle eliminator (55) for the train through the fatigue vibration actuating cylinder (28) and the fatigue vibration piston rod (51), and the impact performance of the obstacle eliminator (55) for the train is tested; the fatigue vibration actuating cylinder (28) is connected with the base (26) through 4 bolts, the object placing table (27) is connected with the obstacle deflector for the train through 6 bolts, the welding fixing plate (29) is connected with the obstacle deflector for the train through 4 bolts, and the protective net (25) is connected with the object placing table (27) in a welding mode.
Further, the hydraulic source (5) of the fatigue test bench consists of a second oil tank (49), a second motor (40), a second high-pressure gear pump (43), a second oil filling port (44), a second liquid level meter (41), a second pressure regulating valve (46), a second high-precision pressure gauge (45), a second high-pressure oil pipe (47), a second energy accumulator (42) and a second cooler (48), wherein the second motor (40) is fixedly connected with the upper surface of the second oil tank (49) in a welding mode, the second high-pressure gear pump (43) is connected with the upper surface of the second oil tank (49) in a welding mode, and the second high-pressure gear pump (43) is connected with the inner part of the second oil tank (49) through the oil. The second oil filling port (44) is located on the right side of the second high-pressure gear pump (43), and the second liquid level meter (41) is located on the front surface of the second oil tank (49) and is assembled together through screw connection.
Compared with the prior art, the invention has the beneficial effects that: the device collects impact experiment function and fatigue experiment function in an organic whole, can verify the impact performance and the fatigue performance of barrier removal ware for train simultaneously, simple structure, convenient operation, high-efficient practical.
Drawings
Fig. 1 is an appearance schematic diagram of an impact and fatigue resistance experiment device of a barrier removal device for a train.
Fig. 2 is a schematic view of a console of an impact and fatigue resistance experiment device of the barrier removal device for the train.
Fig. 3 is a schematic front side view of a hydraulic source of an impact experiment table of the train obstacle deflector impact and fatigue resistance experiment device.
Fig. 4 is a schematic diagram of the rear side of a hydraulic source of an impact experiment table of the impact and fatigue experiment device of the barrier removal device for the train.
Fig. 5 is a schematic view of an impact experiment table of an impact and fatigue experiment device of the barrier removal device for the train.
Fig. 6 is a schematic view of a fatigue test bench of an impact resistance and fatigue test device of the barrier removal device for the train.
Fig. 7 is a schematic front side view of a hydraulic source of a fatigue test bench of the train obstacle deflector impact and fatigue test device.
Fig. 8 is a schematic rear side view of a hydraulic source of a fatigue test bench of the train obstacle deflector impact and fatigue test device.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The train pilot unit impact resistance and fatigue test device consists of a control console (1), an impact test table hydraulic source (2), an impact test table (3), a fatigue test table (4) and a fatigue test table hydraulic source (5). The control console (1) is composed of a control console box body (6), a control computer (7) and 6 control buttons (8), and the control console (1) is connected with the impact experiment table hydraulic source (2) and the fatigue experiment table hydraulic source (5) through line pipelines (30). Control computer (7) embedding control cabinet box (6) in, 6 control button (8) are located control cabinet box (6) upper surface, through controlling control computer (7) and 6 control button (8), realize respectively to the control of impact experiment platform hydraulic pressure source (2), impact experiment platform (3) and fatigue experiment platform (4) and fatigue experiment platform hydraulic pressure source (5).
The hydraulic source (2) of the impact experiment table is composed of a first oil tank (9), a first motor (10), a first high-pressure gear pump (13), a first oil filling port (14), a first liquid level meter (11), a first pressure regulating valve (16), a first high-precision pressure gauge (15), a first high-pressure oil pipe (17), a first energy accumulator (12) and a first cooler (18), wherein the first motor (10) is fixedly connected with the upper surface of the first oil tank (9) in a welding mode, the first high-pressure gear pump (13) is connected with the upper surface of the first oil tank (9) in a welding mode, and the first high-pressure gear pump (17) is connected with the first oil tank (9) in an internal mode. The first oil filling port (14) is located on the right side of the first high-pressure gear pump (13), and the first liquid level meter (11) is located on the front surface of the first oil tank (9) and assembled together through screw connection.
The impact experiment table (3) is connected with the impact experiment table hydraulic source (2) through a stretchable high-pressure loop oil pipe (19), the impact experiment table (3) is located between the impact experiment table hydraulic source (2) and the fatigue experiment table (4), and the impact experiment table (3) consists of a steel plate lower base (20), a steel plate upper base (31), 4 springs (21), a hollow ejection plate (27), 4 ejection guide rails (26), a hanging type object placing table (24), an ejection actuating cylinder (22), 8 spring slots (32), a rear steel plate (33), a stretchable high-pressure loop oil pipe (19) and an ejection plate (25); the stretchable high-pressure loop oil pipe (19) is connected with the ejection actuating cylinder (22) in a threaded fit mode, the ejection actuating cylinder (22) is in clearance fit with the ejection piston rod (50), 4 springs (21) are inserted into 8 spring slots (32) respectively, the 8 spring slots (32) are welded to a rear steel plate (33) and a hollow ejection plate (27) respectively, the ejection plate (25) is connected with the hollow ejection plate (27) in a welding mode, the hollow size of the hollow ejection plate (27) is consistent with that of the hanging type object placing table (24), the hanging type object placing table (24) is located right in front of the hollow ejection plate (27), and the hanging type object placing table (24) is used for placing stones.
When testing barrier removal ware (55) for train impact resistance, adjust fretwork ejection plate (27) in impact experiment platform hydraulic source (2) and impact experiment platform (3) to suitable parameter and position respectively through controlling control computer (7) and 6 control button (8), place the stone in the middle part position of hanging thing platform (24) and with ejection plate (25) position alignment, and will put thing platform (27) upper and lower position in fatigue experiment platform (4) through the adjustment, with stone and train with barrier removal ware (55) upper and lower height and position alignment. Make impact experiment platform hydraulic pressure source (2) provide drive power through controlling control computer (7) and 6 control button (8) during the ejection stone, backward tensile fretwork ejection board (27), convert hydraulic energy into the elastic potential energy of 4 springs, release fretwork ejection board (27) afterwards, convert the elastic potential energy of 4 springs into the kinetic energy of fretwork ejection board (27), put the stone on platform (24) through ejection board (25) striking formula, make the stone strike barrier removal ware (55) for the train, test barrier removal ware (55) impact property for the train.
The fatigue experiment table (4) is located right in front of the impact experiment table (3), the left side of a hydraulic source (5) of the fatigue experiment table is composed of a fatigue vibration acting cylinder (28), a base (26), a storage table (27), a stretchable high-pressure loop oil pipe (19), a protective net (25) and a welding fixing plate (29), the fatigue experiment table (4) is connected with the hydraulic source (5) of the fatigue experiment table through the stretchable high-pressure loop oil pipe (19), the stretchable high-pressure loop oil pipe (19) is connected with the fatigue vibration acting cylinder (28) in a threaded fit mode, the fatigue vibration acting cylinder (28) is in clearance fit with a fatigue vibration piston rod (51), random vibration loads are applied to the obstacle eliminator (55) for the train through the fatigue vibration acting cylinder (28) and the fatigue vibration piston rod (51), and the impact performance of the obstacle eliminator (55) for the train is tested; the fatigue vibration actuating cylinder (28) is connected with the base (26) through 4 bolts, the object placing table (27) is connected with the obstacle deflector for the train through 6 bolts, the welding fixing plate (29) is connected with the obstacle deflector for the train through 4 bolts, and the protective net (25) is connected with the object placing table (27) in a welding mode.
Fatigue test platform hydraulic pressure source (5) by oil tank two (49), motor two (40), high pressure gear pump two (43), oil filler hole two (44), level gauge two (41), pressure-regulating valve two (46), high accuracy manometer two (45), high pressure fuel pipe two (47), energy storage ware two (42) and cooler two (48) are constituteed, motor two (40) and oil tank two (49) upper surface are connected fixedly through the welding mode, high pressure gear pump two (43) and oil tank two (49) upper surface pass through welded connection, and be in the same place through oil pipe (47) and oil tank two (49) internal connection. The second oil filling port (44) is located on the right side of the second high-pressure gear pump (43), and the second liquid level meter (41) is located on the front surface of the second oil tank (49) and is assembled together through screw connection. When testing barrier removal ware (55) fatigue performance for the train, put thing platform (27) in fatigue experiment platform hydraulic pressure source (5) and fatigue experiment platform (4) respectively with fatigue through controlling control computer (7) and 6 control button (8) and adjust to suitable parameter and position, make the stone of putting thing platform (24) middle part position in the formula of putting put in with fatigue experiment platform (4) in put thing platform (27) for the train barrier removal ware (55) position alignment, make fatigue experiment platform (4) do the up-and-down motion through the vertical random vibration load spectrum that control computer (7) set up to the realization is to barrier removal ware (55) fatigue performance for the train test.
Claims (6)
1. The invention discloses an impact resistance and fatigue test device of a barrier removal device for a train, which is characterized in that: the device mainly comprises a control console (1), an impact experiment table hydraulic source (2), an impact experiment table (3), a fatigue experiment table (4) and a fatigue experiment table hydraulic source (5), wherein the control console (1) respectively controls the impact experiment table hydraulic source (2) and the fatigue experiment table hydraulic source (5) to provide power for the impact experiment table (3) and the fatigue experiment table (4); the impact experiment table (3) is of a table structure, and the impact resistance of the obstacle deflector for the train is tested by ejecting stones; the fatigue experiment table (4) is of a box type structure, and the fatigue resistance of the train obstacle deflector is tested by applying vertical random vibration loads.
2. The train pilot impact and fatigue test device as set forth in claim 1, wherein: the control console (1) is composed of a control console box body (6), a control computer (7) and 6 control buttons (8), and the control console (1) is connected with the impact experiment table hydraulic source (2) and the fatigue experiment table hydraulic source (5) through line pipelines (30).
3. The train pilot impact and fatigue test device as set forth in claim 1, wherein: the hydraulic source (2) of the impact experiment table is composed of a first oil tank (9), a first motor (10), a first high-pressure gear pump (13), a first oil filling port (14), a first liquid level meter (11), a first pressure regulating valve (16), a first high-precision pressure gauge (15), a first high-pressure oil pipe (17), a first energy accumulator (12) and a first cooler (18), wherein the first motor (10) is fixedly connected with the upper surface of the first oil tank (9) in a welding mode, the first high-pressure gear pump (13) is connected with the upper surface of the first oil tank (9) in a welding mode, and the first high-pressure gear pump (17) is connected with the first oil tank (9) in an internal mode. The first oil filling port (14) is located on the right side of the first high-pressure gear pump (13), and the first liquid level meter (11) is located on the front surface of the first oil tank (9) and assembled together through screw connection.
4. The train pilot impact and fatigue test device as set forth in claim 1, wherein: the impact experiment table (3) is connected with the impact experiment table hydraulic source (2) through a stretchable high-pressure loop oil pipe (19), the impact experiment table (3) is located between the impact experiment table hydraulic source (2) and the fatigue experiment table (4), and the impact experiment table (3) consists of a steel plate lower base (20), a steel plate upper base (31), 4 springs (21), a hollow ejection plate (27), 4 ejection guide rails (26), a hanging type object placing table (24), an ejection actuating cylinder (22), 8 spring slots (32), a rear steel plate (33), a stretchable high-pressure loop oil pipe (19) and an ejection plate (25); when the stones are ejected, a driving force is provided through a hydraulic source (2) of the impact experiment table, the hollowed ejection plate (27) is stretched backwards, hydraulic energy is converted into elastic potential energy of 4 springs, then the hollowed ejection plate (27) is released, the elastic potential energy of the 4 springs is converted into kinetic energy of the hollowed ejection plate (27), the stones on the suspended object placing table (24) are impacted through the ejection plate (25), the obstacle deflector (55) for the train is simulated to impact the stones, and the impact performance of the obstacle deflector (55) for the train is tested; the stretchable high-pressure loop oil pipe (19) is connected with the ejection actuating cylinder (22) in a threaded fit mode, the ejection actuating cylinder (22) is in clearance fit with the ejection piston rod (50), 4 springs (21) are inserted into 8 spring slots (32) respectively, the 8 spring slots (32) are welded to a rear steel plate (33) and a hollow ejection plate (27) respectively, the ejection plate (25) is connected with the hollow ejection plate (27) in a welding mode, the hollow size of the hollow ejection plate (27) is consistent with that of the hanging type object placing table (24), the hanging type object placing table (24) is located right in front of the hollow ejection plate (27), and the hanging type object placing table (24) is used for placing stones.
5. The train pilot impact and fatigue test device as set forth in claim 1, wherein: the fatigue experiment table (4) is located right in front of the impact experiment table (3), the left side of a hydraulic source (5) of the fatigue experiment table is composed of a fatigue vibration acting cylinder (28), a base (26), a storage table (27), a stretchable high-pressure loop oil pipe (19), a protective net (25) and a welding fixing plate (29), the fatigue experiment table (4) is connected with the hydraulic source (5) of the fatigue experiment table through the stretchable high-pressure loop oil pipe (19), the stretchable high-pressure loop oil pipe (19) is connected with the fatigue vibration acting cylinder (28) in a threaded fit mode, the fatigue vibration acting cylinder (28) is in clearance fit with a fatigue vibration piston rod (51), random vibration loads are applied to the obstacle eliminator (55) for the train through the fatigue vibration acting cylinder (28) and the fatigue vibration piston rod (51), and the impact performance of the obstacle eliminator (55) for the train is tested; the fatigue vibration actuating cylinder (28) is connected with the base (26) through 4 bolts, the object placing table (27) is connected with the obstacle deflector for the train through 6 bolts, the welding fixing plate (29) is connected with the obstacle deflector for the train through 4 bolts, and the protective net (25) is connected with the object placing table (27) in a welding mode.
6. The train pilot impact and fatigue test device as set forth in claim 1, wherein: fatigue test platform hydraulic pressure source (5) by oil tank two (49), motor two (40), high pressure gear pump two (43), oil filler hole two (44), level gauge two (41), pressure-regulating valve two (46), high accuracy manometer two (45), high pressure fuel pipe two (47), energy storage ware two (42) and cooler two (48) are constituteed, motor two (40) and oil tank two (49) upper surface are connected fixedly through the welding mode, high pressure gear pump two (43) and oil tank two (49) upper surface pass through welded connection, and be in the same place through oil pipe (47) and oil tank two (49) internal connection. The second oil filling port (44) is located on the right side of the second high-pressure gear pump (43), and the second liquid level meter (41) is located on the front surface of the second oil tank (49) and is assembled together through screw connection.
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| 胡忠安等: "地铁车辆转向架排障器疲劳分析", 轨道交通装备与技术, pages 30 - 32 * |
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