Adjustable locomotive air duct structure applied to center sill bearing

Abstract

The utility model relates to the technical field of adjustable locomotive air duct structures applied to center sill bearing, in particular to an adjustable locomotive air duct structure applied to center sill bearing, which comprises an air duct body and an air volume adjusting device. An air inlet is formed in one end of the air duct body, arc-shaped flow guide plates are arranged on the two sides of the air inlet, and a near-end ventilation air duct and a far-end ventilation air duct are arranged on the side faces of the arc-shaped flow guide plates respectively. Three sets of air volume adjusting devices are arranged on the side, close to the air inlet, of the near-end ventilation air duct. Three sets of air volume adjusting devices are arranged on the side, away from the air inlet, of the near-end ventilation air duct. The air volume adjusting device comprises an air outlet and an air volume adjusting plate, and the air outlet is connected with the air volume adjusting plate in a sliding mode. A frame ventilation cavity is optimized, the problems of air pressure slowing down and air volume attenuation during long-distance ventilation of the locomotive are solved, the air volume and the air pressure of each air outlet can be further controlled through the air volume adjusting device, and air volume distribution of each air outlet can be matched to the maximum extent.

Description

Technical Field

[0001] The utility model relates to the technical field of an adjustable locomotive air duct structure applied to center sill bearing, in particular to an adjustable locomotive air duct structure applied to center sill bearing. Background Art

[0002] Limited by the space structure of the locomotive, usually one fan is used to ventilate and cool several devices, and the internal cavity of the frame is used as a ventilation air duct. The frame ventilation air duct is divided into an air inlet and several air outlets. The air inlet is connected to the fan, and the air outlets are respectively connected to the devices that need ventilation and cooling. However, the frame also has a bearing function, and its internal cavity has partition members to strengthen the strength and rigidity of the frame, but it also divides the air duct into several air chambers. The turbulent flow generated near the partition members will affect the air pressure and air volume in the air duct. Due to the different distances of each air outlet from the air inlet and the different partition members passed through, the attenuation of air pressure and air volume is also different, and it is difficult to ensure that the air pressure and air volume of each air outlet meet the design requirements. Content of the Utility Model

[0003] In order to overcome the existing deficiencies, the utility model provides an adjustable locomotive air duct structure applied to center sill bearing.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an adjustable locomotive air duct structure applied to center sill bearing, including an air duct body and an air volume adjusting device; one end of the air duct body is provided with an air inlet, arc-shaped guide plates are arranged on both sides of the air inlet, and a proximal ventilation air duct and a distal ventilation air duct are respectively arranged on the side surfaces of the arc-shaped guide plates; three groups of air volume adjusting devices are arranged on the proximal ventilation air duct near the air inlet side; three groups of air volume adjusting devices are arranged on the proximal ventilation air duct far from the air inlet side; the air volume adjusting device includes an air outlet and an air volume adjusting plate, and the air volume adjusting plate is slidably connected to the air outlet.

[0005] According to another embodiment of the utility model, it further includes that an air outlet is opened on the bottom plate of the air duct body, a screw rod motor is installed on one side of the air outlet through a motor seat, and the output shaft of the screw rod motor is connected to the air volume adjusting plate.

[0006] According to another embodiment of the utility model, it further includes that both sides of the air volume adjusting plate are slidably connected to sliding tracks, and the sliding tracks are arranged on the bottom plate of the air duct body on both sides of the air outlet.

[0007] According to another embodiment of the utility model, it further includes that the output shaft of the screw rod motor is connected to a screw rod, and a screw rod nut is arranged in the middle of the screw rod; the air volume adjusting plate is fixed at the bottom of the screw rod nut.

[0008] According to another embodiment of the present utility model, it further includes that the arc-shaped flow guide plate includes a distal flow guide plate and a proximal flow guide plate, wherein a fast air duct is provided between the distal flow guide plate and the air volume regulating device.

[0009] According to another embodiment of the present utility model, it further includes that among the three groups of proximal ventilation air ducts, the air outlets of the two right groups of air volume regulating devices are on the left side of the lead screw motor, and the air outlet of the other group is on the right side of the lead screw motor; among the three groups of distal ventilation air ducts, the air outlets of the two left groups of air volume regulating devices are on the right side of the lead screw motor, and the air outlet of the other group is on the left side of the lead screw motor.

[0010] The beneficial effects of the present utility model are as follows: 1. The arc-shaped flow guide plate provided at the air inlet can make the turning of the incoming air smoother and have a smaller reverse damping;

[0011] 2. The unique fast air duct provided in the air duct for long-distance ventilation can effectively prevent local turbulence generated by adjacent components, affecting its air volume distribution and air inlet loss, and further affecting the air volume demand at its air outlet;

[0012] 3. The air volume correction and adjustment plates provided at each air outlet can also best match the air volume distribution at each air outlet. Description of the Drawings

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a top view of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the air volume regulating device;

[0017] Figure 4 is Figure 3 a cross-sectional view taken along A-A in

[0018] In the figure, 1 is the air duct body, 2 is the air volume regulating device, 3 is the air inlet, 4 is the arc-shaped flow guide plate, 5 is the proximal ventilation air duct, 6 is the distal ventilation air duct, 7 is the air outlet, 8 is the air volume regulating plate, 9 is the lead screw motor, 10 is the sliding track, 11 is the lead screw, 12 is the lead screw nut, and 13 is the fast air duct. Detailed Embodiments

[0019] As Figure 1It is a structural schematic diagram of the present utility model, an adjustable locomotive air duct structure applied to the center beam load-bearing. Its characteristics are as follows: it includes an air duct body 1 and an air volume adjustment device 2; one end of the air duct body 1 is provided with an air inlet 3, and arc-shaped flow guiding plates 4 are arranged on both sides of the air inlet 3. The proximal ventilation air duct 5 and the distal ventilation air duct 6 are respectively arranged on the side surfaces of the arc-shaped flow guiding plates 4; three groups of air volume adjustment devices 2 are arranged on the side of the proximal ventilation air duct 5 close to the air inlet 3; three groups of air volume adjustment devices 2 are arranged on the side of the proximal ventilation air duct 5 far from the air inlet 3; the air volume adjustment device 2 includes an air outlet 7 and an air volume adjustment plate 8, and the air volume adjustment plate 8 is slidably connected to the air outlet 7.

[0020] Specifically, the arc-shaped flow guiding plates 4 reduce the damping of the incoming air turning and divide the incoming air into the proximal ventilation air duct 5.

[0021] According to another embodiment of the present utility model, it further includes that an air outlet 7 is opened on the bottom plate of the air duct body 1, and a lead screw motor 9 is installed on one side of the air outlet 7 through a motor base, and the output shaft of the lead screw motor 9 is connected to the air volume adjustment plate 8.

[0022] Specifically, the position of the air volume adjustment plate 8 can be adjusted by the corresponding lead screw motor 9 for each air outlet, changing the air outlet aperture / air outlet cross-sectional area of the corresponding air outlet 7, so as to match the air volume requirements of each air outlet 7.

[0023] According to another embodiment of the present utility model, it further includes that both sides of the air volume adjustment plate 8 are slidably connected to the sliding track 10, and the sliding track 10 is arranged on the bottom plate of the air duct body 1 on both sides of the air outlet 7.

[0024] According to another embodiment of the present utility model, it further includes that the output shaft of the lead screw motor 9 is connected to a lead screw 11, and a lead screw nut 12 is arranged in the middle of the lead screw 11; the air volume adjustment plate 8 is fixed at the bottom of the lead screw nut 12.

[0025] According to another embodiment of the present utility model, it further includes that the arc-shaped flow guiding plate 4 includes a distal flow guiding plate and a proximal flow guiding plate. Among them, a fast air duct 13 is arranged between the distal flow guiding plate and the air volume adjustment device 2.

[0026] Specifically, the fast air duct 13 arranged in the distal ventilation air duct 6 isolates the additional turbulence generated by several partition members in the long-distance ventilation, resulting in a serious mismatch between the air volume and air pressure at the end air outlets of the proximal ventilation air duct 5 and the distal ventilation air duct 6.

[0027] According to another embodiment of the present utility model, it further includes that, among the three groups of the proximal ventilation air duct 5, the air outlets 7 of the two right groups of the air volume adjusting devices 2 are on the left side of the lead screw motor 9, and the air outlets 7 of the other group are on the right side of the lead screw motor 9; among the three groups of the distal ventilation air duct 6, the air outlets 7 of the two left groups of the air volume adjusting devices 2 are on the right side of the lead screw motor 9, and the air outlets 7 of the other group are on the left side of the lead screw motor 9.

[0028] During the specific operation process, adjust the lead screw motor 9 according to the air volume and air pressure, so that the output shaft of the lead screw motor 9 controls the rotation of the lead screw 11, and thus the lead screw nut 12 on the lead screw 11 controls the position of the air volume adjusting plate 8 at the air outlet 7, so that the air enters the air duct body 1 from the air inlet 2, making the air volumes of the air outlets of the proximal ventilation air duct 5 and the distal ventilation air duct 6 match each other.

[0029] The above description is illustrative rather than restrictive to the present utility model. Those of ordinary skill in the art understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all of them will fall within the protection scope of the present utility model.

Claims

1. An adjustable locomotive air duct structure used for center beam bearing, characterized in that: The invention comprises an air duct body (1) and an air volume regulating device (2); an air inlet (3) is provided at one end of the air duct body (1); arc-shaped guide plates (4) are provided on both sides of the air inlet (3); and the sides of the arc-shaped guide plates (4) are respectively provided with a proximal ventilation duct (5) and a distal ventilation duct (6); the proximal ventilation duct (5) is provided with three groups of air volume regulating devices (2) on a side close to the air inlet (3); the proximal ventilation duct (5) is provided with three groups of air volume regulating devices (2) on a side far from the air inlet (3); the air volume regulating device (2) comprises an air outlet (7) and an air volume regulating plate (8); the air outlet (7) is slidably connected to the air volume regulating plate (8).

2. The adjustable locomotive air duct structure used for center beam bearing according to claim 1 is characterized in that: An air outlet (7) is provided on the bottom plate of the air duct body (1), and a screw motor (9) is installed on one side of the air outlet (7) via a motor seat, wherein the output shaft of the screw motor (9) is connected to an air volume adjustment plate (8).

3. The adjustable locomotive air duct structure used for center beam bearing according to claim 2 is characterized in that: The air volume adjustment plate (8) is slidably connected on two sides to a sliding rail (10), and the sliding rail (10) is arranged on the bottom plate of the air duct body (1) on both sides of the air outlet (7).

4. The adjustable locomotive air duct structure used for center beam bearing according to claim 2 is characterized in that: The output shaft of the screw motor (9) is connected to a screw (11), a screw nut (12) is provided in the middle of the screw (11), and an air volume adjustment plate (8) is fixed to the bottom of the screw nut (12).

5. The adjustable locomotive air duct structure used for center beam bearing according to claim 1 is characterized in that: The arc-shaped guide plate (4) comprises a distal guide plate and a proximal guide plate, wherein a fast air duct (13) is provided between the distal guide plate and the air volume adjustment device (2).

6. The adjustable locomotive air duct structure used for center beam bearing according to claim 1 is characterized in that: Among the three groups of the near-end ventilation duct (5), the two right-side groups of air outlets (7) of the air volume regulating device (2) are located on the left side of the screw motor (9), and the other group of air outlets (7) are located on the right side of the screw motor (9); among the three groups of the far-end ventilation duct (6), the two right-side groups of air volume regulating device (2) air outlets (7) are located on the right side of the screw motor (9), and the other group of air outlets (7) are located on the left side of the screw motor (9).

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