Inter-city rail transit vehicle pressure wave test prototype

Abstract

The utility model belongs to the technical field of pressure control, and relates to an intercity rail transit vehicle pressure wave test prototype. The device comprises a machine shell, the upper side of the machine shell is hinged to a machine cover through a hinge, the vertical side wall of the machine shell is fixedly communicated with an air guide pipe, the inner wall of the bottom of the machine shell is fixedly connected with a pressure adjusting system, and the vertical side wall of the machine shell is fixedly communicated with an air inlet pipe and an air outlet pipe. The air inlet pipe and the air outlet pipe communicate with the pressure adjusting system, mounting openings are formed in the left end and the right end of the machine shell correspondingly, and vehicle internal pressure monitors are fixedly connected into the mounting openings and electrically connected with the pressure adjusting system. Pressure waves generated in the high-speed running process of the rail transit vehicle can be reduced, the riding comfort of passengers in the vehicle is effectively improved, and damage of the pressure waves to the air tightness and structural integrity of the vehicle can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle pressure regulation and relates to a pressure wave test prototype for an intercity rail transit vehicle. Background Art

[0002] Urban rail transit vehicles are an important part of urban transportation. The rapid development of intercity rail transit has brought higher requirements for vehicle performance, especially in improving passenger experience and ensuring operational safety.

[0003] Pressure waves are generated during the operation of urban rail vehicles. The pressure wave problem is caused by the aerodynamic effect and the pressure difference inside and outside the tunnel when the vehicle is running at high speed. This not only affects the comfort of passengers, but also damages the air tightness and structural integrity of the vehicle. Utility Model Content

[0004] The purpose of the utility model is to provide a pressure wave test prototype for intercity rail transit vehicles in order to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pressure wave test prototype for an intercity rail transit vehicle comprises a casing, wherein the upper side of the casing is hingedly connected to a cover, the vertical side walls of the casing are fixedly connected to an air duct, the inner wall of the bottom of the casing is fixedly connected to a pressure regulating system, the vertical side walls of the casing are fixedly connected to an air inlet pipe and an air outlet pipe, both of which are connected to the pressure regulating system, mounting openings are provided at both left and right ends of the casing, and a vehicle internal pressure monitor is fixedly connected in the mounting opening, and the vehicle internal pressure monitor is electrically connected to the pressure regulating system.

[0007] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, the vertical side wall of the casing is fixedly connected to an automatic pressure relief valve, and the automatic pressure relief valve is located near the middle of the front side of the casing.

[0008] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, the outer walls on both the front and rear sides of the casing are fixedly connected with mounting seats, the height of the bottom of the mounting seat is lower than the height of the bottom of the casing, and a mounting hole is provided at the bottom of the mounting seat.

[0009] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, the casing includes a U-shaped shell, and the left and right sides of the U-shaped shell are fixedly connected with sealing plates. The two vehicle internal pressure monitors are respectively fixedly connected to the two sealing plates, and the vertical inner wall of the U-shaped shell is fixedly connected with multiple reinforcement plates, and the reinforcement plates are fixedly connected to the machine cover by bolts.

[0010] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, a plurality of lifting lugs are fixedly connected to the vertical outer wall of the casing. The lifting lugs are located above the mounting seat and are provided with pin holes.

[0011] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, the machine cover includes a cover plate connected to the machine casing, and the left and right ends of the cover plate are fixedly connected with bent plates. The side wall on the lower side of the cover plate is fixedly connected with a rectangular frame, and two vertical rods are symmetrically fixedly connected in the rectangular frame, and two horizontal rods are fixedly connected between the two vertical rods.

[0012] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, a plurality of U-shaped connectors are fixedly connected to the side wall on the upper side of the casing, and the U-shaped connectors are fixedly connected to the cover via locking bolts.

[0013] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, two mounting rails are symmetrically fixedly connected to the inner wall of the bottom of the casing, and a mounting frame is fixedly connected to the lower side of the pressure regulating system, and the mounting frame is fixedly connected between the two mounting rails.

[0014] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, the side walls on the opposite sides of the two sealing plates are fixedly connected with protection frames.

[0015] In the above-mentioned intercity rail transit vehicle pressure wave test prototype, two U-shaped fasteners for limiting the pressure regulating system are symmetrically fixedly connected to the mounting rail.

[0016] Compared with the existing technology, the advantages of this utility model are:

[0017] The utility model is provided with a casing, a machine cover, an air duct, a pressure regulating system, an air inlet pipe, an air outlet pipe and a vehicle internal pressure monitor. When in use, the prototype is installed in a rail transit vehicle. The two vehicle internal pressure monitors can monitor the internal and external pressures of the rail transit vehicle in real time. When it is monitored that the pressure difference between the inside and outside of the rail transit vehicle is too large, the pressure regulating system regulates the air pressure in the rail transit vehicle through the air inlet pipe and the air outlet pipe, thereby reducing the internal and external pressure difference of the rail transit vehicle, thereby reducing the pressure wave generated during the high-speed operation of the rail transit vehicle, effectively improving the riding comfort of passengers in the vehicle, and reducing the damage caused by the pressure wave to the air tightness and structural integrity of the vehicle.

[0018] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a structural diagram of the utility model in another direction.

[0021] Figure 3 It is a top view of the present utility model.

[0022] Figure 4 It is a structural schematic diagram of the utility model with the machine cover removed.

[0023] Figure 5 yes Figure 4 Schematic diagram of the structure in another direction.

[0024] Figure 6 yes Figure 4 Top view of .

[0025] Figure 7 yes Figure 1 Schematic diagram of the structure of the middle engine cover.

[0026] Figure 8 yes Figure 4 Schematic diagram of the structure of part A.

[0027] In the figure: 1. Casing; 2. Cover; 3. Air duct; 4. Pressure regulating system; 5. Inlet pipe; 6. Exhaust pipe; 7. Vehicle internal pressure monitor; 8. Automatic pressure relief valve; 9. Mounting seat; 10. Mounting hole; 11. U-shaped shell; 12. Closing plate; 13. Reinforcement plate; 14. Lifting ear plate; 15. Pin hole; 16. Cover plate; 17. Bending plate; 18. Rectangular frame; 19. Vertical rod; 20. Horizontal rod; 21. U-shaped connector; 22. Locking bolt; 23. Mounting rail; 24. Mounting frame; 25. Protective frame; 26. U-shaped fastener. DETAILED DESCRIPTION

[0028] The present invention will be further described below with reference to the accompanying drawings.

[0029] like Figure 1-8 As shown, a pressure wave test prototype of an intercity rail transit vehicle includes a casing 1, a cover 2 is hingedly connected to the upper side of the casing 1, an air duct 3 is fixedly connected to the vertical side wall of the casing 1, a pressure regulating system 4 is fixedly connected to the inner wall of the bottom of the casing 1, an air inlet pipe 5 and an air outlet pipe 6 are fixedly connected to the vertical side wall of the casing 1, and the air inlet pipe 5 and the air outlet pipe 6 are both connected to the pressure regulating system 4, and mounting ports are opened at both left and right ends of the casing 1, and a vehicle internal pressure monitor 7 is fixedly connected in the mounting port, and the vehicle internal pressure monitor 7 is electrically connected to the pressure regulating system 4.

[0030] In this embodiment, when in use, the prototype is installed in a rail transit vehicle, and the two vehicle internal pressure monitors 7 are capable of monitoring the internal and external pressures of the rail transit vehicle in real time. When it is detected that the pressure difference between the inside and outside of the rail transit vehicle is too large, the pressure regulating system 4 adjusts the air pressure in the rail transit vehicle through the air inlet pipe 5 and the air outlet pipe 6, thereby reducing the internal and external pressure difference of the rail transit vehicle, thereby reducing the pressure waves generated during the high-speed operation of the rail transit vehicle, effectively improving the riding comfort of passengers in the vehicle, and reducing the damage caused by the pressure waves to the air tightness and structural integrity of the vehicle.

[0031] The vertical side wall of the casing 1 is fixedly connected to an automatic pressure relief valve 8 , and the automatic pressure relief valve 8 is located near the middle of the front side of the casing 1 .

[0032] In this embodiment, the automatic pressure relief valve 8 can prevent the prototype from being damaged by excessive pressure, thereby improving the safety of the prototype.

[0033] The outer walls on both the front and rear sides of the housing 1 are fixedly connected with mounting bases 9 . The height of the bottom of the mounting base 9 is lower than the height of the bottom of the housing 1 . A mounting hole 10 is provided at the bottom of the mounting base 9 .

[0034] In the above embodiment, the provided mounting seat 9 and mounting hole 10 can improve the convenience of the prototype installation.

[0035] The casing 1 includes a U-shaped shell 11, and the left and right sides of the U-shaped shell 11 are fixedly connected with sealing plates 12. The two vehicle internal pressure monitors 7 are respectively fixedly connected to the two sealing plates 12. The vertical inner wall of the U-shaped shell 11 is fixedly connected with multiple reinforcement plates 13, and the reinforcement plates 13 are fixedly connected to the hood 2 by bolts.

[0036] In this embodiment, the plurality of reinforcement plates 13 can improve the structural strength of the housing 1 , thereby improving the anti-deformation performance of the housing 1 .

[0037] A plurality of lifting lugs 14 are fixedly connected to the vertical outer wall of the housing 1 . The lifting lugs 14 are located above the mounting seat 9 . Pin holes 15 are formed on the lifting lugs 14 .

[0038] In the above embodiment, the provided lifting lugs 14 and pin holes 15 can improve the convenience of hoisting the prototype, thereby improving the flexibility of installing the prototype.

[0039] The cover 2 includes a cover plate 16 connected to the casing 1, and the left and right ends of the cover plate 16 are fixedly connected to a bent plate 17. The side wall of the lower side of the cover plate 16 is fixedly connected to a rectangular frame 18. Two vertical rods 19 are symmetrically fixedly connected in the rectangular frame 18, and two horizontal rods 20 are fixedly connected between the two vertical rods 19.

[0040] In this embodiment, the rectangular frame 18 , vertical bars 19 and horizontal bars 20 can support and reinforce the cover 2 , effectively improving the compression resistance of the cover 2 .

[0041] A plurality of U-shaped connectors 21 are fixedly connected to the side wall of the upper side of the housing 1 , and the U-shaped connectors 21 are fixedly connected to the cover 2 via locking bolts 22 .

[0042] In the above embodiment, the U-shaped connector 21 can improve the stability of the connection between the housing 1 and the cover 2, thereby improving the overall structural stability of the prototype.

[0043] Two mounting rails 23 are symmetrically fixedly connected to the inner wall of the bottom of the casing 1 , and a mounting bracket 24 is fixedly connected to the lower side of the pressure regulating system 4 . The mounting bracket 24 is fixedly connected between the two mounting rails 23 .

[0044] In the above recovery, the provided mounting rails 23 and mounting brackets 24 cooperate with each other to improve the convenience and stability of the installation of the pressure regulating system 4.

[0045] The side walls of the two sealing plates 12 on opposite sides are both fixedly connected with a protection frame 25 .

[0046] In this embodiment, the protective frame 25 can protect the vehicle interior pressure monitor 7 , thereby improving the safety of the vehicle interior pressure monitor 7 .

[0047] Two U-shaped fasteners 26 for limiting the pressure regulating system 4 are symmetrically fixedly connected to the mounting rail 23 .

[0048] In the above embodiment, the provision of the U-shaped fastener 26 can improve the stability of the pressure regulating system 4 .

[0049] The working principle of this utility model is:

[0050] When in use, the prototype is fixedly installed through multiple mounting bases 9 on the casing 1, so that the prototype can be installed in a rail transit vehicle. During the operation of the intercity rail transit vehicle, the two vehicle internal pressure monitors 7 can monitor the internal and external pressures of the rail transit vehicle in real time. When it is detected that the pressure difference between the inside and outside of the rail transit vehicle is too large, the pressure regulating system 4 adjusts the air pressure in the rail transit vehicle through the air inlet pipe 5 and the air outlet pipe 6, thereby reducing the internal and external pressure difference of the rail transit vehicle. When the internal and external pressure difference of the vehicle is reduced, the pressure wave generated by the intercity rail transit vehicle during operation will be reduced, thereby reducing the impact of the pressure wave on passengers, effectively improving the riding comfort of passengers in the vehicle, and reducing the damage caused by the pressure wave to the air tightness and structural integrity of the vehicle.

[0051] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the spirit of the present invention.

[0052] Although this document frequently uses terms such as 1. housing; 2. cover; 3. air duct; 4. pressure regulating system; 5. air inlet pipe; 6. air outlet pipe; 7. vehicle internal pressure monitor; 8. automatic pressure relief valve; 9. mounting seat; 10. mounting hole; 11. U-shaped housing; 12. sealing plate; 13. reinforcement plate; 14. lifting ear plate; 15. pin hole; 16. cover plate; 17. bent plate; 18. rectangular frame; 19. vertical rod; 20. horizontal rod; 21. U-shaped connector; 22. locking bolt; 23. mounting rail; 24. mounting frame; 25. protective frame; 26. U-shaped fastener, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention. Interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A pressure wave test prototype for an intercity rail transit vehicle, comprising a housing (1), characterized in that: The upper side of the housing (1) is hingedly connected to a cover (2), the vertical side wall of the housing (1) is fixedly connected to an air duct (3), the inner wall of the bottom of the housing (1) is fixedly connected to a pressure regulating system (4), the vertical side wall of the housing (1) is fixedly connected to an air inlet pipe (5) and an air outlet pipe (6), both of which are connected to the pressure regulating system (4), and mounting ports are provided at both left and right ends of the housing (1), and a vehicle internal pressure monitor (7) is fixedly connected in the mounting port, and the vehicle internal pressure monitor (7) is electrically connected to the pressure regulating system (4).

2. The intercity rail transit vehicle pressure wave test prototype according to claim 1 is characterized in that: The vertical side wall of the casing (1) is fixedly connected to an automatic pressure relief valve (8), and the automatic pressure relief valve (8) is located near the middle of the front side of the casing (1).

3. The intercity rail transit vehicle pressure wave test prototype according to claim 2, characterized in that: The outer walls on both the front and rear sides of the casing (1) are fixedly connected with mounting seats (9), the bottom of the mounting seats (9) is lower than the bottom of the casing (1), and a mounting hole (10) is provided at the bottom of the mounting seats (9).

4. The intercity rail transit vehicle pressure wave test prototype according to claim 3 is characterized in that: The housing (1) comprises a U-shaped shell (11), the left and right sides of the U-shaped shell (11) are fixedly connected to sealing plates (12), the two vehicle internal pressure monitors (7) are fixedly connected to the two sealing plates (12), and the vertical inner wall of the U-shaped shell (11) is fixedly connected to a plurality of reinforcing plates (13), and the reinforcing plates (13) are fixedly connected to the cover (2) by bolts.

5. The intercity rail transit vehicle pressure wave test prototype according to claim 4, characterized in that: A plurality of lifting lugs (14) are fixedly connected to the vertical outer wall of the casing (1), the lifting lugs (14) are located above the mounting seat (9), and pin holes (15) are provided on the lifting lugs (14).

6. The intercity rail transit vehicle pressure wave test prototype according to claim 5, characterized in that: The machine cover (2) comprises a cover plate (16) connected to the machine housing (1), the left and right ends of the cover plate (16) are fixedly connected to bent plates (17), the side wall on the lower side of the cover plate (16) is fixedly connected to a rectangular frame (18), two vertical rods (19) are symmetrically fixedly connected inside the rectangular frame (18), and two horizontal rods (20) are fixedly connected between the two vertical rods (19).

7. The intercity rail transit vehicle pressure wave test prototype according to claim 6, characterized in that: A plurality of U-shaped connectors (21) are fixedly connected to the side wall on the upper side of the casing (1), and the U-shaped connectors (21) are fixedly connected to the cover (2) via locking bolts (22).

8. The intercity rail transit vehicle pressure wave test prototype according to claim 7, characterized in that: Two mounting rails (23) are symmetrically fixedly connected to the inner wall of the bottom of the casing (1), and a mounting frame (24) is fixedly connected to the lower side of the pressure regulating system (4), and the mounting frame (24) is fixedly connected between the two mounting rails (23).

9. The intercity rail transit vehicle pressure wave test prototype according to claim 8, characterized in that: The side walls of the two sealing plates (12) on the opposite sides are both fixedly connected with a protection frame (25).

10. The intercity rail transit vehicle pressure wave test prototype according to claim 9, characterized in that: Two U-shaped fasteners (26) for limiting the pressure regulating system (4) are symmetrically fixedly connected to the mounting rail (23).

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