A fatigue test auxiliary device for a motor train unit bogie

Abstract

The present application relates to motor train unit bogie technical field, specifically disclose a kind of motor train unit bogie fatigue test auxiliary device, guide rail is located at the both sides of mounting seat, first hydraulic cylinder is connected to the upper end of guide rail, large gasket is connected to the upper end of first hydraulic cylinder, upright column sliding is arranged at the four corners of mounting seat, the upper end of upright column is provided with the upwardly open groove, gasket is connected with upright column side wall by adjusting frame and gasket is arranged above upright column, clamping plate is arranged outside upright column and close to the center position of mounting seat, clamping plate is connected with mounting seat by support and second hydraulic cylinder is arranged between clamping plate and support, wheel and support structure are arranged at the lower end of mounting seat;The present application can be suitable for multiple specifications of bogie model, by setting adjusting frame and gasket, it is guaranteed that bogie is not damaged when being tested, by setting wheel and support leg, the moving ability of auxiliary device is enhanced, it is convenient and fast to move, greatly reduce the requirement to test environment when bogie fatigue test.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor train unit bogies. BACKGROUND

[0002] The bogie is one of the most important components in the structure of a railway vehicle, and its main function is to support the car body, bear and transmit various loads and forces, evenly distribute the axle load, ensure the safe operation of the vehicle, and enable the vehicle to run flexibly along a straight line and smoothly through a curve. The motor train unit bogie needs to bear a large load during use, so performance tests need to be repeatedly conducted on a test bench during production and manufacturing. The existing bogie test auxiliary device is a fixed tooling device for testing a single model, and the constraint is relatively single, which may cause the constraint to be not firm, the overall stability to be poor, and the bogie to be damaged during the test. In addition, the existing fatigue test auxiliary device has strict requirements on the size of the motor train unit bogie, and the platform is difficult to move, which is not convenient for transferring different types of bogies. In view of the deficiencies of the existing bogie fatigue test auxiliary tooling device and the above-mentioned problems, it is necessary to research and design a new type of motor train unit bogie fatigue test auxiliary device to overcome the problems existing in the existing market bogie fatigue test auxiliary device. SUMMARY

[0003] In order to solve the above problems existing in the existing bogie test auxiliary device, the present application provides a motor train unit bogie fatigue test auxiliary device.

[0004] The technical scheme adopted by the present application to achieve the above-mentioned purpose is: a motor train unit bogie fatigue test auxiliary device, comprising a mounting seat, a guide rail, a first hydraulic cylinder, a large pad plate, a stand, a pad plate, a clamping plate, a wheel and a support structure, the guide rail is arranged on both sides of the mounting seat, the first hydraulic cylinder is slidingly connected to the upper end of the guide rail, the large pad plate is fixedly connected to the upper end of the first hydraulic cylinder, the stand is slidingly arranged at the four corners of the mounting seat, the upper end of the stand is provided with a upwardly open groove which is the same shape as the bogie and is used for supporting the bogie, the pad plate is connected to the side wall of the stand through an adjusting frame and is arranged above the stand, the pad plate is used to avoid damage to the bogie when the hydraulic machine applies a load, the clamping plate is arranged outside the stand and close to the center position of the mounting seat, the clamping plate is used to limit the left and right movement of the bogie, the clamping plate is connected to the mounting seat through a support, and a second hydraulic cylinder is arranged between the clamping plate and the support, and the wheel and the support structure are arranged at the lower end of the mounting seat.

[0005] Preferably, a lead screw is arranged inside the guide rail, and the first hydraulic cylinder is slidingly connected to the lead screw through a base.

[0006] Preferably, a groove with the same shape as the upper end of the first hydraulic cylinder is arranged at the position corresponding to the first hydraulic cylinder on the lower surface of the large base plate, and the first hydraulic cylinder is clamped with the groove.

[0007] Preferably, the column is slidably connected with the mounting base through a moving plate, the column is fixedly connected with the moving plate, and a reinforcing rib is arranged at the connection position of the column and the moving plate, and the reinforcing rib is used for enhancing the overall strength of the column.

[0008] Preferably, a sliding groove is arranged at the position corresponding to the moving plate on the upper end of the mounting base, and the moving plate is slidably connected with the sliding groove through bolts.

[0009] Preferably, the adjusting frame comprises a first adjusting frame and a second adjusting frame, one end of the first adjusting frame is rotatably connected with the side wall of the column, the other end of the first adjusting frame is rotatably connected with one end of the second adjusting frame through an adjusting frame shaft, and the other end of the second adjusting frame is fixedly connected with the bottom of the base plate.

[0010] Preferably, the second adjusting frame is connected with the bottom of the base plate through bolts.

[0011] Preferably, the support is fixedly installed at the four corners of the mounting base through bolts.

[0012] Preferably, the wheels are arranged at the four corners of the lower end of the mounting base, and the wheels are connected with the lower end of the mounting base through mounting frames.

[0013] Preferably, the support structure comprises a support leg mounting base, support legs and a support disc, the support leg mounting base is fixedly connected with the center of the lower end of the mounting base, the support legs are slidably connected with the support leg mounting base and can be lifted and lowered, when the support legs are lifted, the mounting base is in contact with the ground through the wheels, when the support legs are lowered, the mounting base is in contact with the ground through the support legs, and the support disc is arranged at the lower end of the support legs and is used for increasing the stress area of the support legs.

[0014] Compared with the traditional test tool, the auxiliary device for fatigue test of motor train unit bogie can be applied to bogies of multiple specifications, the adjusting frame and the base plate are arranged to ensure that the bogie is not damaged during the test, the wheels and the support legs are arranged to enhance the moving ability of the auxiliary device, the auxiliary device is convenient and fast to move, and the requirements for the test environment during the fatigue test of the bogie are greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional structure schematic view of an auxiliary device for fatigue test of motor train unit bogie according to an embodiment of the application.

[0016] Figure 2It is a main view structural schematic diagram of a motor train unit bogie fatigue test auxiliary device of an embodiment of the present application.

[0017] Figure 3 It is a left view structural schematic diagram of a motor train unit bogie fatigue test auxiliary device of an embodiment of the present application.

[0018] Figure 4 It is an enlarged schematic diagram of a local structure at a support leg when the support leg falls of an embodiment of the present application.

[0019] In the figure: 1, mounting seat, 2, guide rail, 3, first hydraulic cylinder, 4, large base plate, 5, column, 6, base plate, 7, clamping plate, 8, wheel, 9-1, first adjusting frame, 9-2, second adjusting frame, 10, support, 11, second hydraulic cylinder, 12, moving plate, 13, reinforcing rib, 14, sliding groove, 15, lead screw, 16, base, 17, adjusting frame shaft, 18, mounting frame, 19, support leg mounting seat, 20, support leg, 21, support disc, 22, bogie. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0021] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, in the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0023] A motor train unit bogie fatigue test auxiliary device of the present embodiment is as shown in Figures 1-3As shown, including the mounting seat 1, guide rail 2, first hydraulic cylinder 3, large pad plate 4, column 5, pad plate 6, clamping plate 7, wheel 8 and support structure, guide rail 2 is provided on both sides of the mounting seat 1, the first hydraulic cylinder 3 is slidingly connected to the upper end of the guide rail 2, the large pad plate 4 is fixedly connected to the upper end of the first hydraulic cylinder 3, the first hydraulic cylinder 3 can drive the large pad plate 4 to slide along the guide rail 2 and lift in the vertical direction, the column 5 is slidingly arranged at the four corners of the mounting seat 1, the upper end of the column 5 is provided with a upwardly open groove which is the same shape as the bogie 22, for supporting the bogie 22, the pad plate 6 is connected with the side wall of the column 5 through the adjusting frame and the pad plate 6 is arranged above the column 5, the pad plate 6 is used to avoid damage to the bogie 22 when the hydraulic machine applies load, the clamping plate 7 is arranged outside the column 5 and close to the center position of the mounting seat 1, the clamping plate 7 is used to limit the left and right movement of the framework, the clamping plate 7 is connected with the mounting seat 1 through the bracket 10 and the second hydraulic cylinder 11 is arranged between the clamping plate 7 and the bracket 10, the wheel 8 and the support structure are arranged at the lower end of the mounting seat 1.

[0024] The guide rail 2 is internally provided with a lead screw 15, the first hydraulic cylinder 3 is slidingly connected with the lead screw 15 through a base 16, in order to make the connection between the first hydraulic cylinder 3 and the base 16 more firm, the first hydraulic cylinder 3 can be connected above the base 16 by welding, the lower surface of the large pad plate 4 is provided with a groove which is the same shape as the upper end of the first hydraulic cylinder 3 at the corresponding position of the first hydraulic cylinder 3, the first hydraulic cylinder 3 is clamped with the groove, so that the first hydraulic cylinder 3 can be stably connected with the large pad plate 4, in use, the large pad plate 4 can be moved according to the structure of the bogie 22 through the lead screw 15, the large pad plate 4 can be moved above the air spring in the middle of the bogie 22, avoiding damage to the bogie 22 during the test, when the bogie 22 is loaded or unloaded, the large pad plate 4 can be moved to one side of the mounting seat 1 through the lead screw 15, thereby facilitating the loading and unloading of the bogie 22.

[0025] The column 5 can be slidingly connected with the mounting seat 1 through a moving plate 12, the column 5 is fixedly connected with the moving plate 12, in order to make the connection between the column 5 and the moving plate 12 more firm, the column 5 and the moving plate 12 can be connected by welding, the column 5 and the moving plate 12 are provided with reinforcing ribs 13 at the connection position, the reinforcing ribs 13 are used to enhance the overall strength of the column 5, the reinforcing ribs 13 can be four, and the reinforcing ribs 13 can also be connected with the column 5 and the moving plate 12 by welding, the mounting seat 1 is provided with a sliding groove 14 at the corresponding position of the moving plate 12 at the upper end, the moving plate 12 is slidingly connected with the sliding groove 14 through bolts, in order to make the sliding of the moving plate 12 more smooth, the moving plate 12 can be provided with four bolts. The four corner ends of the bogie 22 are connected with the upper end groove of the column 5 in a plug-in manner, the front and rear movement of the column 5 is driven by the moving plate 12 to adjust the distance between the columns 5, so as to adapt to different models of bogies 22.

[0026] The adjusting frame comprises a first adjusting frame 9-1 and a second adjusting frame 9-2, one end of the first adjusting frame 9-1 is rotatably connected to the side wall of the stand 5, the other end is rotatably connected to one end of the second adjusting frame 9-2 through an adjusting frame shaft 17, the other end of the second adjusting frame 9-2 is fixedly connected to the bottom of the base plate 6, and the second adjusting frame 9-2 is connected to the bottom of the base plate 6 through bolts. The adjusting frame 9 can move according to the movement of the stand 5 to adapt to multiple types of bogies, the connection between the first adjusting frame 9-1 and the second adjusting frame 9-2 is connected by the adjusting frame shaft 17, which can achieve the purpose of folding the first adjusting frame 9-1 and the second adjusting frame 9-2, and the base plate 6 is connected to the top end of the second adjusting frame 9-2 through bolts, which can avoid damage to the bogie 22 when the hydraulic machine applies a load when the bogie 22 is tested by turning the base plate 6 above the bogie 22. The support 10 is fixedly installed at the four corners of the mounting seat 1 through bolts, and the support 10 is located on one side of the stand 5 and is used in conjunction with the stand 5, the second hydraulic cylinder 11 and the clamping plate 7 are installed on the upper part of the support 10, the distance between the clamping plate 7 and the bogie 22 is adjusted through the second hydraulic cylinder 11, so as to limit the left and right movement of the bogie 22 and improve the stability of the bogie 22 during testing.

[0027] As shown in Figure 4 The wheels 8 are arranged at the four corners of the lower end of the mounting seat 1, and the wheels 8 are connected to the lower end of the mounting seat 1 through mounting frames 18. The support structure comprises a support leg mounting seat 19, a support leg 20 and a support disc 21, the support leg mounting seat 19 is fixedly connected to the center of the lower end of the mounting seat 1, the support leg 20 is slidably connected to the support leg mounting seat 19 and can be lifted and lowered, when the support leg 20 is lifted, the mounting seat 1 is in contact with the ground through the wheels 8, when the support leg 20 is lowered, the mounting seat 1 is in contact with the ground through the support leg 20, and the support disc 21 is arranged at the lower end of the support leg 20 and is used for increasing the stress area of the support leg 20. The mounting frame 18 can be welded on the mounting seat 1, the wheels 8 are mounted on the mounting frame 18, so that the device has the ability to move, the support leg mounting seat 19 can be welded on the mounting seat 1, the support leg 20 is telescopically mounted on the support leg mounting seat 19, and the support disc 21 can be welded on the bottom of the support leg 20 to increase the stress area of the support leg 20, in the non-working state, the support leg 20 is lifted, the wheels 8 are in contact with the bottom surface, and the device is transported; in the working state, the support leg 20 is lowered, so that the wheels 8 are no longer stressed, and the purpose of supporting the auxiliary device is achieved.

[0028] The embodiments of the present application are presented by way of example and description, and are not intended to be exhaustive or to limit the application to the form disclosed. Many modifications and variations will be apparent to those skilled in the art. Embodiments are chosen and described in order to best explain the principles of the application and its practical application, and to thereby enable others skilled in the art to best utilize the application in various embodiments and with various modifications as are suited to the particular use contemplated.

Claims

1. A fatigue test auxiliary device for a bogie of a motor train unit, characterized by, The utility model provides a kind of hydraulic press, including mounting seat (1), guide rail (2), first hydraulic cylinder (3), big backing plate (4), stand (5), backing plate (6), clamping plate (7), wheel (8) and support structure, the guide rail (2) is equipped in the mounting seat (1) both sides, the first hydraulic cylinder (3) sliding connection is in the guide rail (2) upper end, the big backing plate (4) fixed connection is in the first hydraulic cylinder (3) upper end, the stand (5) sliding is arranged in the mounting seat (1) four corners, the stand (5) upper end is equipped with with bogie (22) same shape upward opening groove, for supporting bogie (22), the backing plate (6) is connected with the stand (5) side wall by adjusting frame and backing plate (6) is arranged in the upper of the stand (5), the backing plate (6) is used to avoid hydraulic press to load when causing damage to bogie (22), the clamping plate (7) is arranged in the stand (5) outside and close to the mounting seat (1) center position, the clamping plate (7) is used to limit the left and right movement of framework, the clamping plate (7) is connected with the mounting seat (1) by support (10) and second hydraulic cylinder (11) is equipped between the clamping plate (7) and the support (10), the wheel (8) and the support structure are arranged in the mounting seat (1) lower end; The adjusting frame includes first adjusting frame (9-1) and second adjusting frame (9-2), one end of the first adjusting frame (9-1) is rotatably connected to the side wall of the stand (5), the other end is rotatably connected to one end of the second adjusting frame (9-2) through adjusting frame shaft (17), the other end of the second adjusting frame (9-2) is fixedly connected to the bottom of the backing plate (6); The support structure includes support leg mounting seat (19), support leg (20) and support disc (21), the support leg mounting seat (19) is fixedly connected to the lower end center of the mounting seat (1), the support leg (20) is slidingly connected to the support leg mounting seat (19) and can be lifted and lowered, when the mounting seat (1) is in contact with the ground through the wheel (8) when the support leg (20) is lifted, the mounting seat (1) is in contact with the ground through the support leg (20) when the support leg (20) is lowered, the support disc (21) is arranged at the lower end of the support leg (20), and the support disc (21) is used to increase the stress area of the support leg (20).

2. The fatigue test auxiliary device for a bogie of a motor train unit according to claim 1, characterized by The guide rail (2) is provided with a lead screw (15) inside, and the first hydraulic cylinder (3) is slidingly connected to the lead screw (15) through a base (16).

3. The fatigue test auxiliary device for a bogie of a motor train unit according to claim 1, characterized in that, A groove with the same shape as the upper end of the first hydraulic cylinder (3) is arranged on the lower surface of the big backing plate (4) corresponding to the first hydraulic cylinder (3), and the first hydraulic cylinder (3) is clamped with the groove.

4. The fatigue test auxiliary device for a bogie of a motor train unit according to claim 1, characterized by The stand (5) is slidingly connected to the mounting seat (1) through a moving plate (12), the stand (5) is fixedly connected to the moving plate (12), and a reinforcing rib (13) is arranged at the connection between the stand (5) and the moving plate (12), and the reinforcing rib (13) is used to enhance the overall strength of the stand (5).

5. The fatigue test auxiliary device for a bogie of a motor train unit according to claim 4, characterized in that, The upper end of the mounting base (1) is provided with a sliding groove (14) corresponding to the moving plate (12), and the moving plate (12) is slidably connected with the sliding groove (14) through bolts.

6. The fatigue test auxiliary device for a bogie of a motor train unit according to claim 1, characterized by The second adjusting frame (9-2) is connected with the bottom of the backing plate (6) through bolts.

7. The fatigue test auxiliary device for a bogie of a motor train unit according to claim 1, characterized by The bracket (10) is fixedly installed at four corners of the mounting base (1) through bolts.

8. The fatigue test auxiliary device for a bogie of a motor train unit according to claim 1, characterized by The wheels (8) are arranged at four corners of the lower end of the mounting base (1), and the wheels (8) are connected with the lower end of the mounting base (1) through mounting frames (18).

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