Locomotive electric control room shutter

Abstract

The utility model discloses a locomotive electric control room shutter which comprises a plurality of blades which are installed on two side frames in a rectangular frame in parallel and can rotate upwards and downwards, and a reversing connecting rod which is arranged on one side outside the rectangular frame and can be connected with all the blades in a rotating mode. And the reversing connecting rod is provided with a force applying mechanism for pushing the blades to turn upwards and downwards and a positioning mechanism for keeping the blades in an upwards-turning posture and a downwards-turning posture. The device has the advantages that under the condition of not depending on the control of an electric power mechanism, the direction of the blades of the louver is converted manually; under the conditions of no dependence on control of an electric power mechanism and unattended operation, the orientation of the blades of the louver is automatically converted.

Description

Technical Field

[0001] The utility model relates to a louver for a locomotive electric control room, belonging to the technical field of ventilation and cooling of locomotive electrical equipment. Background Technique

[0002] The ventilation window of the locomotive electric control room is arranged on the side wall of the outer corridor on the side of the locomotive, and is used for heat dissipation and ventilation of the controller components such as the main generator and traction motor and the braking resistor arranged in the electric control room. Among them, the braking resistor is a kind of locomotive electric braking method. It uses the reversible principle of the DC motor. In the braking condition, the DC motor is changed to operate as a DC generator, and the kinetic energy of the train is converted into electrical energy and consumed on the braking resistor, which will dissipate a large amount of heat in the electric control room. Therefore, the ventilation window is a necessary setting for timely dissipating the heat in the electric control room and maintaining a suitable ambient temperature for each heat dissipation component.

[0003] Generally, the ventilation window adopts a louver that can switch the exhaust direction up and down as needed. Since the ventilation window is arranged on the side wall of the outer corridor on the side of the locomotive, in order to avoid blowing uncomfortable hot air when people pass by, usually the exhaust direction is upward (the blades are outward and upward). However, when it rains, the blades of the upward exhaust louver will introduce rainwater into the electric control room. If a large amount of rainwater enters the electric control room, the safety of the electric control equipment will be endangered. Therefore, it is necessary to turn the exhaust direction of the louver downward (the blades are outward and downward).

[0004] The conversion of the exhaust direction of the existing louver is controlled electrically. However, in actual applications, when the locomotive is parked outside the station, most of the electrical equipment on the locomotive is in a state of no power supply. At this time, it is very inconvenient to switch the blades of the electrically controlled louver to outward and downward. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is: how to achieve the conversion of the blade orientation of the louver without relying on electric control.

[0006] In view of the above problems, the technical solution proposed by the utility model is:

[0007] The louver for the locomotive electric control room includes a plurality of blades that can rotate up and down and are parallelly installed on both side frames of a rectangular frame. On one side outside the rectangular frame, there is a reversing connecting rod that can be rotatably connected to all the blades. The reversing connecting rod is provided with a force application mechanism for pushing the blades to turn up and down and a positioning mechanism for maintaining the up-turned posture and down-turned posture of the blades.

[0008] The force application mechanism is a handle pushed manually.

[0009] The positioning mechanism includes a positioning seat fixed on the frame of a rectangular frame close to one side of the reversing link, a latch installed in a through hole 1 set on the positioning seat, and a positioning hole 1 when the blade is facing upward and a positioning hole 2 when the blade is facing downward on the reversing link. One end of the latch can be inserted into the positioning hole 1 and the positioning hole 2 and can be withdrawn from the positioning hole 1 and the positioning hole 2.

[0010] The positioning mechanism also includes a spring limit plug and a return spring. The spring limit plug has a through hole 2 through which the pin can pass. The front section of the pin is provided with a limit flange. The spring limit plug is fixed to the rear part of the through hole 1. The return spring is sleeved outside the pin, with the front end against the limit flange and the rear end against the annular end surface of the front end of the spring limit plug. When the return spring is extended, the pin is inserted into the positioning hole 1 or the positioning hole 2.

[0011] The force-applying mechanism includes a drain pan and a water collection box. The drain pan is fixed at the bottom of the rectangular frame with the rear end higher than the front end. The rear end of the drain pan is located below the rear side of the blade for catching rainwater falling from the rear side of the blade. A water guide groove is provided at the front end. The water collection box is fixed at the lower end of the reversing connecting rod. The upper end of the water collection box is open and located below the water outlet of the water guide groove. The total weight of the rear ends of all blades is greater than the total weight of the front ends of all blades including the reversing connecting rod and the empty water collection box. When the water collection box is filled with rainwater, the total weight of the front ends of all blades is greater than the total weight of the rear ends of all blades.

[0012] A weight is provided at the rear of one or more blades.

[0013] A water leakage hole is arranged at the bottom of the water accumulation box, and a water leakage plug is pressed downwards into the water leakage hole.

[0014] The leaking plug is provided with a micro-leakage hole which passes through from top to bottom and allows a small flow of accumulated water to leak out.

[0015] The positioning mechanism comprises an upward-turning limiting rod whose two ends are respectively fixed on both sides of the upper part of the rectangular frame and a downward-turning limiting rod whose two ends are respectively fixed on both sides of the lower part of the rectangular frame. Beneficial Effects

[0016] 1. The direction of the shutter blades can be changed manually without relying on the control of the power mechanism;

[0017] 2. Automatically switch the direction of the shutter blades without relying on the control of the power mechanism and without supervision;

[0018] 3. Simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional schematic diagram of the shutters described in Example 1;

[0020] Figure 2Cross-sectional schematic view of the positioning mechanism described in the first embodiment;

[0021] Figure 3 Three-dimensional schematic view of the shutter described in the second embodiment;

[0022] Figure 4 For Figure 3 Partial schematic view of;

[0023] Figure 5 Three-dimensional schematic view of the water leakage plug.

[0024] In the figure: 1, rectangular frame; 2, blades; 3, reversing link; 301, second positioning hole; 4, handle; 5, positioning seat; 501, first through hole; 6, plug; 7, spring limit plug; 701, second through hole; 8, return spring; 9, limiting flange; 10, water draining tray; 1001, water guiding groove; 11, water collecting box; 12, water leakage plug; 1201, micro leakage hole; 13, weight; 14, upward turning limit rod; 15, downward turning limit rod. Detailed implementation manners

[0025] The following further describes the present utility model with reference to the accompanying drawings: First embodiment

[0026] As Figure 1 , 2 shown, the locomotive electric control room shutter includes a plurality of blades 2 that are parallelly installed on both side frames inside the rectangular frame 1 and can rotate up and down. On one side outside the rectangular frame 1, there is a reversing link 3 that is rotatably connected to all the blades 2. The reversing link 3 is provided with a force application mechanism for pushing the blades 2 to turn up and down and a positioning mechanism for maintaining the up-turned posture and down-turned posture of the blades 2. During application, the reversing link 3 is pushed by the force application mechanism to turn all the blades up or down, and then the positioning mechanism is used for positioning to keep the blades 2 in the up-turned posture or down-turned posture.

[0027] In this embodiment, the force application mechanism is a manually pushed handle 4.

[0028] In this embodiment, the positioning mechanism includes a positioning seat 5 fixed on the side frame of the rectangular frame 1 close to the reversing link 3, a plug 6 installed in the first through hole 501 provided on the positioning seat 5, and a first positioning hole (not shown in the figure) when the blade 2 on the reversing link 3 faces up and a second positioning hole 301 when the blade 2 faces down. One end of the plug 6 can be inserted into and withdrawn from the first positioning hole and the second positioning hole 301.

[0029] Further, the positioning mechanism further includes a spring limit plug 7 and a return spring 8. The spring limit plug 7 has a through hole two 701 that can pass through the bolt 6. A limit flange 9 is provided at the front section of the bolt 6. The spring limit plug 7 is fixed at the rear part inside the through hole one 501. The return spring 8 is sleeved outside the bolt 6, with its front end abutted against the limit flange 9 and its rear end abutted against the annular end face at the front end of the spring limit plug 7. When the return spring 8 extends, the bolt 6 is inserted into the positioning hole one or the positioning hole two 301. During application, the bolt 6 is pulled backward by hand, so that the bolt 6 overcomes the elastic force of the return spring 8 and withdraws from the positioning hole one or the positioning hole two 301. Then, the reversing link 3 is pushed by the handle 4 to turn the blade upward or downward. After the upward or downward turning is in place, the bolt 6 is released, and the bolt 6 is inserted into the corresponding positioning hole one or the positioning hole two 301 under the action of the return spring 8.

[0030] In this way, the conversion of the orientation of the shutter blade 2 is realized without relying on the control of the electric mechanism. Embodiment 2

[0031] As Figure 3 —5 shows, the difference from Embodiment 1 is that the force application mechanism includes a water draining tray 10 and a water accumulation box 11. The water draining tray 10 is fixed at the bottom of the rectangular frame 1 with its rear end higher than the front end. Its rear end is located below the rear side of the blade 2 and is used to catch the rainwater dripping from the rear side of the blade 2. A water guiding groove 1001 is provided at its front end. The water accumulation box 11 is fixed at the lower end of the reversing link. The upper end of the water accumulation box 11 is open and is located below the water outlet of the water guiding groove 1001. The total weight of the rear ends of all the blades 2 is greater than the total weight of the front ends of all the blades 2 including the reversing link 3 and the empty water accumulation box 11. When the water accumulation box 11 is full of rainwater, the total weight of the front ends of all the blades 2 is greater than the total weight of the rear ends of all the blades 2. When it rains and there is no one on duty, the rainwater falling on the upward-turned blades 2 on the outside drips into the water draining tray 10. The rainwater falling into the water draining tray 10 flows into the water accumulation box 11 through the water guiding groove 1001. As the rainwater in the water accumulation box 11 gradually fills up, the total weight of the front ends of the blades 2 begins to be greater than the total weight of the rear ends of the blades 2, and the blades 2 on the outside of the shutter begin to turn downward, thus completing the downward turning of the blades without the participation of human or electric power, so that the rainwater cannot float into the electric control room. After the water in the water accumulation box 11 flows out, the outer blades 2 automatically turn upward.

[0032] Here, the setting of the water draining tray 10 can also directly drain a large amount of rainwater out of the window.

[0033] Further, a weight 13 is provided at the rear part of one or more blades 2 to achieve that the total weight of the rear ends of all the blades 2 is greater than the total weight of the front ends of all the blades 2 including the reversing link 3 and the empty water accumulation box 11.

[0034] A water leakage hole is provided at the bottom of the water accumulation box 11, and a water leakage plug 12 is pressed downward in the water leakage hole. Pulling out the water leakage plug 12 can empty the water in the water accumulation box 11.

[0035] A micro-leakage hole 1201 that penetrates up and down and allows a small flow of accumulated water to leak out is provided in the water leakage plug 12. In this way, even if no one pulls out the water leakage plug 12 after the rain stops, the accumulated water in the water accumulation box will slowly drain through the micro-leakage hole 1201, so that the blade can be turned upward without the participation of human power or electricity.

[0036] The positioning mechanism includes an upward turning limit rod 14 fixed at both ends on the upper sides of the two sides of the rectangular frame 1 and a downward turning limit rod 15 fixed at both ends on the lower sides of the two sides of the rectangular frame 1. When the blade 2 turns upward to the upward turning limit rod 14, under the action of the gravity at the rear end of the blade 2, the blade 2 is tightly pressed on the upward turning limit rod 14 to realize the positioning of the upward posture; when the blade 2 turns downward to the downward turning limit rod 15, under the action of the gravity at the front end of the blade 2, the blade 2 is tightly pressed on the downward turning limit rod 15 to realize the positioning of the downward posture.

[0037] The above embodiments are only used to describe the present invention more clearly and should not be regarded as limiting the protection scope covered by the present invention. Any equivalent form of modification should be regarded as falling within the protection scope covered by the present invention.

Claims

1. A locomotive electric control room shutter, comprising a plurality of blades (2) mounted in parallel on both sides of a rectangular frame (1) and capable of rotating upward and downward, and a reversing connecting rod (3) rotatably connecting all the blades (2) on one side outside the rectangular frame (1), characterized in that: The reversing connecting rod (3) is provided with a force applying mechanism for pushing the blade (2) to flip upward and downward, and a positioning mechanism for maintaining the blade (2) in the flipping upward posture and the flipping downward posture.

2. The locomotive electric control room shutter according to claim 1, characterized in that: The force applying mechanism is a handle (4) pushed by hand.

3. The locomotive electric control room shutter according to claim 1, characterized in that: The positioning mechanism comprises a positioning seat (5) fixed on a frame of a rectangular frame (1) on one side close to the reversing link (3), a latch (6) installed in a through hole 1 (501) provided on the positioning seat (5), and a positioning hole 1 when the blade faces upward and a positioning hole 2 (301) when the blade faces downward on the reversing link (3), one end of the latch (6) being able to be inserted into the positioning hole 1 and the positioning hole 2 (301) and being able to be withdrawn from the positioning hole 1 and the positioning hole 2 (301).

4. The locomotive electric control room shutter according to claim 3, characterized in that: The positioning mechanism further comprises a spring stopper (7) and a return spring (8). The spring stopper (7) has a second through hole (701) through which the latch (6) can pass. The front section of the latch (6) is provided with a stopper flange (9). The spring stopper (7) is fixed at the rear portion of the first through hole (501). The return spring (8) is sleeved outside the latch (6), with the front end abutting against the stopper flange (9) and the rear end abutting against the annular end surface of the front end of the spring stopper (7). When the return spring (8) is extended, the latch (6) is inserted into the first positioning hole or the second positioning hole (301).

5. The locomotive electric control room shutter according to claim 1, characterized in that: The force-applying mechanism comprises a drain pan (10) and a water collection box (11); the drain pan (10) is fixed to the bottom of the rectangular frame (1) with its rear end higher than its front end; its rear end is located below the rear side of the blade (2) and is used to collect rainwater falling from the rear side of the blade (2); its front end is provided with a water guide groove (1001); the water collection box (11) is fixed to the lower end of the reversing connecting rod; the upper end of the water collection box (11) is open and is located below the water outlet of the water guide groove (1001); the total weight of the rear ends of all blades (2) is greater than the total weight of the front ends of all blades (2) including the reversing connecting rod (3) and the empty water collection box (11); and when the water collection box (11) is filled with rainwater, the total weight of the front ends of all blades (2) is greater than the total weight of the rear ends of all blades (2).

6. The locomotive electric control room shutter according to claim 5, characterized in that: A weight block (13) is arranged at the rear of one or more blades (2).

7. The locomotive electric control room shutter according to claim 5, characterized in that: A water leakage hole is provided at the bottom of the water collection box (11), and a water leakage plug (12) is pressed downward into the water leakage hole.

8. The locomotive electric control room shutter according to claim 7, characterized in that: A micro-leakage hole (1201) is provided on the water leakage plug (12) and is connected vertically and allows a small amount of accumulated water to leak out.

9. The locomotive electric control room shutter according to any one of claims 5 to 8, characterized in that: The positioning mechanism comprises an upward-turning limit rod (14) whose two ends are respectively fixed to both sides of the upper part of the rectangular frame (1) and a downward-turning limit rod (15) whose two ends are respectively fixed to both sides of the lower part of the rectangular frame (1).

Images