Train operation performance test bench

Abstract

The utility model discloses a train operation performance test bench, and particularly relates to the field of train operation performance test equipment, the train operation performance test bench comprises a train operation performance test bench main body, the bottom of the train operation performance test bench main body is fixedly provided with a support column, and the train operation performance test bench main body is internally provided with an aerodynamic resistance simulator; the device is provided with the positioning device for the experiment, and when a single train is placed and subjected to a train operation performance test, the device can adapt to single trains with different sizes, so that the positioning of the single trains with different sizes during the experiment can be conveniently and quickly completed, the positioning and fixing efficiency of the train operation performance experiment is improved, the experiment is convenient to carry out, and the working efficiency is improved. The operation performance of the train can be effectively evaluated and improved; the device is provided with the connecting device, so that the supporting area of the outer side after the supporting column is placed is increased, the stability after the train operation performance test bed main body and the supporting column are fixed is improved, and the train operation performance test is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of train running performance testing equipment, in particular to a train running performance test bench. Background Art

[0002] The actual train line test is conducted on the actual train line, which can truly and completely reflect the impact of aerodynamic forces on the running performance of the following trains. However, the test scale is large, the cost is expensive, the test parameters are difficult to adjust, and the line needs to be occupied, which affects the normal operation of the train. It is difficult to carry out on-site tests under extreme working conditions, which is prone to safety hazards. The model test of the train mostly uses a reduced scale model and a simulation of the actual operating environment to obtain the aerodynamic characteristics of the train. Because it is easy to control and can realize the research of more working conditions, it is more convenient and effective than the actual train line test. Therefore, the train running performance test bench is now used for train running performance tests.

[0003] A Chinese patent discloses a test bench for train running performance under the action of aerodynamic force (authorization announcement number CN116519340B). The patented technology comprises a left base, a right base, a single train, first to eighth loading columns, first to fifth loading frames, multiple rubber pads, four aerodynamic resistance simulators, a first aerodynamic lift simulator, a second aerodynamic lift simulator, a first lateral actuator, a second lateral actuator, first to fourth roll actuators, a first shake actuator, a second shake actuator, etc. The test bench of the present invention works reliably. The test bench can simulate the aerodynamic resistance, aerodynamic lift, lateral force, shake moment and roll moment of the train during operation, thereby achieving the purpose of simulating the running state of the actual vehicle under the action of aerodynamic force, solving the problem of difficulty in simulating the aerodynamic force of the train during operation on the actual line. It can be used for aerodynamic tests of high-speed trains, heavy-load trains and urban rail transit systems, and is convenient for scientific research such as vehicle selection and train speed increase.

[0004] However, during the use of the above-mentioned train running performance test bench, when a single train is placed and undergoing a train running performance test, there is a problem that it is difficult to position the outer side due to the different sizes of single trains of different models; therefore, technical personnel in this field have provided a train running performance test bench to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a train running performance test bench to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a train running performance test bench, comprising a train running performance test bench body, a support column is fixed at the bottom of the train running performance test bench body, an aerodynamic resistance simulator is arranged inside the train running performance test bench body, a mounting and fixing pad is arranged inside the train running performance test bench body, an experimental positioning device is fixed on the outside of the mounting and fixing pad, an oblique support frame is fixed on the outside of the support column, and a connecting device is installed on one side of the support column;

[0007] The experimental positioning device includes an installation metal sleeve, a fixed installation pad is provided on one side of the installation metal sleeve, a fixed installation seat is fixed between the inner walls of both sides of the installation metal sleeve, a mounting foot is provided on one side of the fixed installation pad, a servo motor is fixed on the outer side of the fixed installation seat, and a metal eccentric wheel is fixed on the outer side of the output shaft of the servo motor.

[0008] As a further solution of the utility model: the outer side of the fixed mounting seat is rotatably connected to a rotating connecting sleeve via a rotating shaft, and one end of the rotating connecting sleeve is rotatably connected to a rotating frame via a rotating shaft.

[0009] As a further solution of the utility model: one end of the rotating frame is rotatably connected to a supporting movable pad through a rotating shaft, a connecting spring is provided on one side of the fixed mounting pad, one end of the connecting spring is connected to a movable limiting pad, an installation shell is fixed to the outer side of the fixed mounting pad, one side of the movable limiting pad is connected to a movable connecting column, and one end of the movable connecting column is fixedly connected to the supporting movable pad.

[0010] As a further solution of the utility model: a metal connecting rod is arranged on the outer side of the supporting movable pad, a positioning reinforcement block is fixed to one end of the metal connecting rod, the mounting foot and the mounting fixed pad are fixedly connected, and a through hole is opened inside the mounting fixed pad to accommodate the positioning reinforcement block.

[0011] As a further solution of the utility model: the connecting device includes a stabilizing block, a reinforcement frame is fixed to one side of the stabilizing block, the outer side of the stabilizing block is rotatably connected to a rotating rod via a rotating shaft, a plastic rod is fixed to one end of the rotating rod, a rubber sleeve is provided on the outer side of the plastic rod, the outer side of the rotating rod is rotatably connected to a rotating bracket via a rotating shaft, one end of the rotating bracket is rotatably connected to a stainless steel column via a rotating shaft, and a threaded hole mounting pad is fixed to the bottom of the stainless steel column.

[0012] As a further solution of the utility model: the reinforcement frame is embedded and fixed inside the support column, and the outer side of the plastic rod is provided with anti-slip grooves.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] 1. The device is provided with an experimental positioning device, so that the positioning reinforcement block on one side of the metal connecting rod can be adaptively fitted and positioned to the outside of the installation fixing pad, and when the lock needs to be released after positioning, the movable limit pad and the supporting movable pad can be pushed by the connecting spring to achieve reset. When placing and conducting the train running performance test, the single-section train can adapt to single-section trains of different sizes, so as to facilitate and quickly complete the positioning of single-section trains of different sizes during the test, improve the positioning and fixing efficiency of the train running performance test, and facilitate the test, which can effectively evaluate and improve the running performance of the train;

[0015] 2. This device is provided with a connecting device. When the supporting column at the bottom of the train running performance test bench body is placed on the ground, the threaded hole mounting pad at the bottom of the stainless steel column can fit the ground where the supporting column is placed and can be fixed with bolts, thereby increasing the supporting area on the outside after the supporting column is placed, improving the stability of the train running performance test bench body and the supporting column after fixation, and facilitating the implementation of the train running performance test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the experimental positioning device of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the installation shell of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the connecting device of the utility model;

[0021] In the figure: 1. Train running performance test bench body; 2. Support column; 3. Aerodynamic drag simulator; 4. Mounting pad; 5. Experimental positioning device; 51. Mounting metal sleeve; 52. Fixed mounting pad; 53. Fixed mounting seat; 54. Mounting foot; 55. Servo motor; 56. Metal eccentric wheel; 57. Rotating connecting sleeve; 58. Rotating frame; 59. Connecting spring; 510. Supporting movable pad; 511. Mounting shell; 512. Movable limit pad; 513. Movable connecting column; 514. Metal connecting rod; 515. Positioning reinforcement block; 6. Diagonal support frame; 7. Connecting device; 71. Stabilizing block; 72. Reinforcement frame; 73. Rotating rod; 74. Plastic rod; 75. Rubber sleeve; 76. Rotating bracket; 77. Stainless steel column; 78. Threaded hole mounting pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 3 The utility model provides a train running performance test bench, comprising a train running performance test bench body 1, a support column 2 is fixed at the bottom of the train running performance test bench body 1, an aerodynamic resistance simulator 3 is arranged inside the train running performance test bench body 1, a fixing pad 4 is installed inside the train running performance test bench body 1, an experimental positioning device 5 is fixed on the outside of the fixing pad 4, an oblique support frame 6 is fixed on the outside of the support column 2, and a connecting device 7 is installed on one side of the support column 2;

[0024] The experimental positioning device 5 includes a mounting metal sleeve 51, a fixed mounting pad 52 is provided on one side of the mounting metal sleeve 51, a fixed mounting seat 53 is fixed between the inner walls of both sides of the mounting metal sleeve 51, a mounting foot 54 is provided on one side of the fixed mounting pad 52, a servo motor 55 is fixed on the outer side of the fixed mounting seat 53, a metal eccentric wheel 56 is fixed on the outer side of the output shaft of the servo motor 55, a rotating connecting sleeve 57 is rotatably connected to the outer side of the fixed mounting seat 53 through a rotating shaft, one end of the rotating connecting sleeve 57 is rotatably connected to a rotating frame 58 through a rotating shaft, one end of the rotating frame 58 is rotatably connected to a supporting movable pad 510 through a rotating shaft, and the fixed mounting seat 53 is fixed to the outer side of the fixed mounting seat 53 through a rotating shaft. A connecting spring 59 is provided on one side of the fixed mounting pad 52, one end of the connecting spring 59 is connected to a movable limiting pad 512, a mounting shell 511 is fixed to the outer side of the fixed mounting pad 52, a movable connecting column 513 is connected to one side of the movable limiting pad 512, one end of the movable connecting column 513 is fixedly connected to the supporting movable pad 510, a metal connecting rod 514 is provided on the outer side of the supporting movable pad 510, a positioning reinforcement block 515 is fixed to one end of the metal connecting rod 514, a through hole for accommodating the positioning reinforcement block 515 is opened inside the mounting fixed pad 4, and the mounting foot 54 and the mounting fixed pad 4 are fixedly connected.

[0025] During use of the device, the train running performance test can be carried out through the aerodynamic resistance simulator 3 and the installation fixing pad 4, and when a single train is placed on the aerodynamic resistance simulator 3, the connecting spring 59 in the installation shell 511 provides elastic force to push the movable limit pad 512 and the movable connecting column 513, so that the supporting movable pad 510 can drive the positioning reinforcement block 515 at one end of the metal connecting rod 514 away from the outer wall of the installation fixing pad 4, and the servo motor 55 can be started and the metal eccentric wheel 56 can be driven to rotate through the output shaft of the servo motor 55. At this time, the metal eccentric wheel 56 can periodically push the rotating connecting sleeve 57, and the rotating connecting sleeve 57 can be pushed to rotate a certain angle, and the supporting movable pad 510 can be driven to move through the rotating frame 58, so that the positioning reinforcement block 515 on one side of the metal connecting rod 514 can position the outside of the single train, which can conveniently and quickly complete the fixation of single trains of different sizes during experiments.

[0026] See also Figure 1 and Figure 4 The utility model provides a train running performance test bench. The connecting device 7 includes a stabilizing block 71. The stabilizing block 71 plays the role of installation and connection. A reinforcement frame 72 is fixed on one side of the stabilizing block 71. The reinforcement frame 72 plays the role of installation and reinforcement. The outer side of the stabilizing block 71 is rotatably connected to a rotating rod 73 through a rotating shaft. A plastic rod 74 is fixed at one end of the rotating rod 73. The plastic rod 74 is convenient for the user to hold and operate. The reinforcement frame 72 is embedded and fixed in the interior of the supporting column 2. The outer side of the plastic rod 74 is provided with anti-slip grooves. A rubber sleeve 75 is provided on the outer side of the plastic rod 74. The outer side of the rotating rod 73 is rotatably connected to a rotating bracket 76 through a rotating shaft. One end of the rotating bracket 76 is rotatably connected to a stainless steel column 77 through a rotating shaft. A threaded hole mounting pad 78 is fixed to the bottom of the stainless steel column 77.

[0027] During the use of the device, when the support column 2 at the bottom of the train running performance test bench body 1 is placed on the ground, the operator can move the plastic rod 74 to drive the rotating rod 73 to rotate on the outside of the stabilizing block 71. At this time, the rubber sleeve 75 can squeeze the outside of the rotating bracket 76 and drive the rotating bracket 76 to squeeze the stainless steel column 77 to move. The threaded hole mounting pad 78 at the bottom of the stainless steel column 77 can fit with the ground where the support column 2 is placed, thereby increasing the support area of ​​the outside of the support column 2 after placement, and can be fixed with bolts, and the fixing process is simple.

[0028] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A train running performance test bench, comprising a train running performance test bench body (1), characterized in that: A support column (2) is fixed at the bottom of the train running performance test bench body (1), an aerodynamic resistance simulator (3) is arranged inside the train running performance test bench body (1), a mounting and fixing pad (4) is arranged inside the train running performance test bench body (1), an experimental positioning device (5) is fixed on the outside of the mounting and fixing pad (4), an inclined support frame (6) is fixed on the outside of the support column (2), and a connecting device (7) is installed on one side of the support column (2); The experimental positioning device (5) comprises a mounting metal sleeve (51), a fixed mounting pad (52) is provided on one side of the mounting metal sleeve (51), a fixed mounting seat (53) is fixed between the inner walls of both sides of the mounting metal sleeve (51), a mounting foot (54) is provided on one side of the fixed mounting pad (52), a servo motor (55) is fixed on the outer side of the fixed mounting seat (53), and a metal eccentric wheel (56) is fixed on the outer side of the output shaft of the servo motor (55).

2. The train running performance test bench according to claim 1, characterized in that: The outer side of the fixed mounting seat (53) is rotatably connected to a rotating sleeve (57) via a rotating shaft, and one end of the rotating sleeve (57) is rotatably connected to a rotating frame (58) via a rotating shaft.

3. The train running performance test bench according to claim 2, characterized in that: One end of the rotating frame (58) is rotatably connected to a supporting movable pad (510) via a rotating shaft; a connecting spring (59) is provided on one side of the fixed mounting pad (52); one end of the connecting spring (59) is connected to a movable limiting pad (512); a mounting shell (511) is fixed to the outer side of the fixed mounting pad (52); one side of the movable limiting pad (512) is connected to a movable connecting column (513); one end of the movable connecting column (513) is fixedly connected to the supporting movable pad (510).

4. The train running performance test bench according to claim 3 is characterized in that: A metal connecting rod (514) is arranged on the outer side of the supporting movable pad (510), a positioning reinforcement block (515) is fixed to one end of the metal connecting rod (514), the mounting foot (54) and the mounting fixed pad (4) are fixedly connected, and a through hole for accommodating the positioning reinforcement block (515) is provided inside the mounting fixed pad (4).

5. The train running performance test bench according to claim 1, characterized in that: The connecting device (7) comprises a stabilizing block (71), a reinforcing frame (72) is fixed to one side of the stabilizing block (71), a rotating rod (73) is rotatably connected to the outer side of the stabilizing block (71) via a rotating shaft, a plastic rod (74) is fixed to one end of the rotating rod (73), a rubber sleeve (75) is arranged on the outer side of the plastic rod (74), a rotating bracket (76) is rotatably connected to the outer side of the rotating rod (73) via a rotating shaft, one end of the rotating bracket (76) is rotatably connected to a stainless steel column (77) via a rotating shaft, and a threaded hole mounting pad (78) is fixed to the bottom of the stainless steel column (77).

6. The train running performance test bench according to claim 5, characterized in that: The reinforcement frame (72) is embedded and fixed inside the support column (2), and the outer side of the plastic rod (74) is provided with anti-slip grooves.

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