Precise control device for oil pressure of locomotive liquid transmission box

Abstract

The utility model discloses a locomotive liquid transmission box oil pressure accurate control device, and particularly relates to the locomotive liquid transmission box control field, the locomotive liquid transmission box oil pressure accurate control device comprises a mounting plate and a box body fixedly arranged at the bottom end of the mounting plate, the bottom end of the box body is fixedly provided with a machine core assembly, and the lower end of the machine core assembly is provided with a protective cap; a wiring terminal is fixedly arranged on one side of the box body, a binding post is arranged on the wiring terminal, a moisture-proof mechanism is arranged in the box body, and an electric contact plug is arranged in the box body. Through the arrangement of the machine core assembly, the binding post and the electric contact plug, the fully-enclosed relay adopting pressure to directly trigger the contacts to be closed to give out signals can continuously act for more than 30 thousands of times, the service life is long, liquid transmission signals are accurately controlled, contact between the contacts and air is cut off, oxidation of the contacts is reduced, and the service life is prolonged. And the moisture-proof particles can be subjected to reverse treatment, so that the moisture-proof particles have the sustainable use effect, and the moisture-proof effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the locomotive liquid transmission case pressure control technical field, concretely is a kind of locomotive liquid transmission case oil pressure precision control device. BACKGROUND

[0002] Liquid transmission case is the key component of locomotive driving forward and backward driven by locomotive wheel, and oil pressure relay is used to transmit signal to determine whether the oil pressure of liquid transmission case is in the normal pressure range, and the oil pressure relay provides pressure to the relay through the liquid transmission case pipeline, when the oil pressure reaches 2.5MP, the traction of the locomotive can reach 323KN, if the oil pressure does not reach 2.5MP, the traction can only reach 150KN, the locomotive power is insufficient, four oil pressure relays control the locomotive forward and backward, two as a group control forward and backward, when the traction increases automatically into second gear during walking, one of the five pressure relays in a vehicle is 2.5MP, and the other four are 0.04MP, the vehicle cannot run if the pressure value is not in the range, the original DP-10 type oil pressure relay oil top lever touch micro switch contact is closed to give signal, the micro switch is often damaged by frequent operation, and the service life is short. Moreover, the existing oil pressure relay control device has poor moisture-proof effect and is inconvenient to use. SUMMARY

[0003] The utility model aims at providing a kind of locomotive liquid transmission case oil pressure precision control device to solve the problems raised in the above background.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of locomotive liquid transmission case oil pressure precision control device, including mounting plate and the box body of fixed setting in the bottom end of mounting plate, the bottom end of the box body is fixedly arranged with machine core component, the lower end of the machine core component is provided with protective cap, one side of the box body is fixedly arranged with terminal, the terminal is provided with terminal post, the inside of the box body is provided with moisture-proof mechanism, the inside of the box body is provided with electric contact plug.

[0005] In a preferred embodiment, the mounting plate is provided with a mounting hole, and an O-shaped sealing ring is arranged between the machine core component and the protective cap. The mounting hole facilitates the installation of the device, and the O-shaped sealing ring improves the sealing performance of the box body.

[0006] In a preferred embodiment, the bottom end of the terminal is provided with a terminal cover, the bottom end of the box body is provided with a box cover, and the box cover is provided with a nameplate.

[0007] In a preferred implementation form, the moisture-proof mechanism comprises a sandwich layer fixedly arranged on the inner side wall of the box body, the sandwich layer is internally filled with moisture-proof particles, a plurality of moisture absorption holes are uniformly arranged on the sandwich layer, a moving plate is arranged in the sandwich layer, a reset spring is fixedly arranged on one side of the moving plate, one end of the reset spring is fixedly arranged on the inner side wall of the box body, a first contact is fixedly arranged on one end of the moving plate, a second contact is fixedly arranged on the inner side wall of the box body, and a heating rod is fixedly arranged in the sandwich layer.

[0008] In a preferred implementation form, a micro fan is fixedly arranged in the box body, the heating rod, the micro fan, the first contact and the second contact are electrically connected, and the heights of the first contact and the second contact are matched; when the first contact and the second contact are in contact, the micro fan and the heating rod start to operate, so that the moisture-proof particles can be heated to volatilize the moisture in the moisture-proof particles.

[0009] In a preferred implementation form, the moisture-proof particles are made of nano water-absorbing and swelling materials, and the moisture-proof particles can swell after absorbing moisture.

[0010] In a preferred implementation form, limit protrusions are fixedly arranged on the upper and lower ends of the moving plate, the limit protrusions are slidingly arranged in limit sliding grooves, and the limit sliding grooves are arranged on the inner side wall of the box body; the limit protrusions and the limit sliding grooves can make the moving plate more stable when moving.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The utility model discloses a core assembly, wiring post and electric contact plug are arranged, and the full-enclosed relay that adopts pressure to directly touch contact to close and give signal can continuously act more than 300000 times, and the service life is long, and the liquid transmission signal is accurately controlled, the contact with air is cut off, and the contact oxidation is reduced to improve the life.

[0013] 2、The utility model discloses a moisture-proof mechanism, and moisture-proof particles can absorb the moisture in the box body, and the moisture-proof particles that absorb moisture swell and press the moving plate, when the moving plate moves to a certain position, the first contact and the second contact are in contact, so that the micro fan and the heating rod are started, and the moisture-proof particles can be treated reversely, so that the moisture-proof particles have the sustainable use effect, and the moisture-proof effect is better. DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0015] Figure 1 is a front view structural schematic diagram of the present application;

[0016] Figure 2 is a partial structural schematic diagram of the present application;

[0017] Figure 3 is a structural schematic diagram of a moisture-proof mechanism inside a box body of the present application;

[0018] Figure 4 is an enlarged schematic diagram of structure A of the present application. Figure 3

[0019] In the figure: 1, mounting plate; 2, box body; 3, core assembly; 4, protective cap; 5, wiring terminal; 6, wiring post; 7, mounting hole; 8, O-shaped sealing ring; 9, terminal cover; 10, box cover; 11, electrical contact plug; 12, interlayer; 13, moisture-proof particle; 14, moisture absorption hole; 15, moving plate; 16, return spring; 17, first contact; 18, second contact; 19, heating rod; 20, micro fan; 21, limiting protrusion; 22, limiting sliding groove. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-4 The present application provides a locomotive hydraulic transmission box oil pressure precise control device, which comprises a mounting plate 1 and a box body 2 fixedly arranged at the bottom end of the mounting plate 1, the bottom end of the box body 2 is fixedly provided with a core assembly 3, the lower end of the core assembly 3 is provided with a protective cap 4, one side of the box body 2 is fixedly provided with a wiring terminal 5, the wiring terminal 5 is provided with a wiring post 6, the inside of the box body 2 is provided with a moisture-proof mechanism, and the inside of the box body 2 is provided with an electrical contact plug 11.

[0021] In a preferred embodiment, mounting holes 7 are formed in the mounting plate 1, O-shaped sealing rings 8 are arranged between the core assembly 3 and the protective cap 4, the mounting holes 7 facilitate the mounting and fixing of the mounting plate 1, and the O-shaped sealing rings 8 can improve the sealing performance of the box body 2.

[0022] In a preferred embodiment, the bottom end of the wiring terminal 5 is provided with a terminal cover 9, the bottom end of the box body 2 is provided with a box cover 10, and the box cover 10 is provided with a nameplate.

[0023] ​In a preferred embodiment, the moisture-proof mechanism comprises a sandwich 12 fixedly arranged on the inner side wall of the box body 2, the inside of the sandwich 12 is filled with moisture-proof particles 13, a plurality of moisture absorption holes 14 are uniformly arranged on the sandwich 12, a moving plate 15 is arranged in the inside of the sandwich 12, a reset spring 16 is fixedly arranged on one side of the moving plate 15, one end of the reset spring 16 is fixedly arranged on the inner side wall of the box body 2, a first contact 17 is fixedly arranged on one end of the moving plate 15, a second contact 18 is fixedly arranged on the inner side wall of the box body 2, and a heating rod 19 is fixedly arranged in the inside of the sandwich 12; the moisture in the inside of the box body 2 is absorbed by the moisture-proof particles 13 through the moisture absorption holes 14, and the moisture-proof particles 13 expand after absorbing the moisture; the expanded moisture-proof particles 13 push the moving plate 15 to move, so that the moving plate 15 extrudes the reset spring 16; when the moving plate 15 moves to a certain position, the first contact 17 and the second contact 18 are in contact, and the heating rod 19 and the micro fan 20 are started.

[0024] In a preferred embodiment, the inside of the box body 2 is fixedly provided with a micro fan 20, the heating rod 19, the micro fan 20 and the first contact 17 and the second contact 18 are electrically connected, and the heights of the first contact 17 and the second contact 18 are matched; the micro fan 20 and the heating rod 19 are started by the contact of the first contact 17 and the second contact 18, and the degree of intelligence is high, and the use is more convenient.

[0025] In a preferred embodiment, the moisture-proof particles 13 are made of nano water-absorbing expansion material.

[0026] In a preferred embodiment, limit protrusions 21 are fixedly arranged on the upper and lower ends of the moving plate 15, the limit protrusions 21 are slidingly arranged in limit sliding grooves 22, and the limit sliding grooves 22 are arranged on the inner side wall of the box body 2; the limit protrusions 21 and the limit sliding grooves 22 make the moving plate 15 more stable when moving.

[0027] The working principle of the utility model is as follows:

[0028] The device is installed on the locomotive liquid transmission box by the mounting plate 1, the terminal post 6, the electric contact plug 11 and the movement assembly 3 are connected with the locomotive liquid transmission box, the full-enclosed relay with pressure directly touching the contact to close to give signal can continuously act more than 300000 times, the service life is long, the moisture in the box body 2 can be absorbed by the moisture-proof particles 13 through the moisture absorption holes 14, the moisture-proof particles 13 are made of nano water absorption expansion material, the moisture-proof particles 13 expand after absorbing moisture, the expanded moisture-proof particles 13 push the moving plate 15 to extrude the reset spring 16, the moving plate 15 moves, when the moisture-proof particles 13 absorb enough moisture and expand more, the moving plate 15 is pushed to a certain position, the first contact 17 and the second contact 18 are in contact, at this time, the miniature fan 20 and the heating rod 19 are opened, the heating rod 19 heats the moisture-proof particles 13, the moisture in the moisture-proof particles 13 is heated and discharged, the miniature fan 20 can exhaust the heated moisture out of the box body 2, the nano moisture-proof particles 13 become small after discharging moisture, the moving plate 15 is reset under the elastic force of the reset spring 16, the first contact 17 and the second contact 18 are separated, the miniature fan 20 and the heating rod 19 stop working, the moisture-proof particles 13 are used for moisture-proof in ordinary times, the moisture-proof particles 13 are inversely processed by the miniature fan 20 and the heating rod 19 regularly, so that the moisture-proof particles 13 can be reused.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A precise control device for hydraulic transmission box oil pressure of a locomotive, comprising a mounting plate (1) and a box body (2) fixedly arranged at the bottom end of the mounting plate (1), characterized in that: The bottom end of the box body (2) is fixedly provided with a movement assembly (3), the lower end of the movement assembly (3) is provided with a protective cap (4), one side of the box body (2) is fixedly provided with a terminal (5), the terminal (5) is provided with a terminal post (6), the inside of the box body (2) is provided with a moisture-proof mechanism, and the inside of the box body (2) is provided with an electric contact plug (11).

2. The device according to claim 1, characterized in that: The mounting plate (1) is provided with a mounting hole (7), and the movement assembly (3) and the protective cap (4) are provided with an O-shaped sealing ring (8).

3. The device according to claim 1, characterized in that: The bottom end of the terminal (5) is provided with a terminal cover (9), the bottom end of the box body (2) is provided with a box cover (10), and the box cover (10) is provided with a nameplate.

4. The device according to claim 1, characterized in that: The moisture-proof mechanism comprises a clamping layer (12) fixedly arranged on the inner side wall of the box body (2), the inside of the clamping layer (12) is filled with moisture-proof particles (13), a plurality of moisture absorption holes (14) are uniformly arranged on the clamping layer (12), the inside of the clamping layer (12) is provided with a moving plate (15), one side of the moving plate (15) is fixedly provided with a reset spring (16), one end of the reset spring (16) is fixedly arranged on the inner side wall of the box body (2), one end of the moving plate (15) is fixedly provided with a first contact (17), the inner side wall of the box body (2) is fixedly provided with a second contact (18), and the inside of the clamping layer (12) is fixedly provided with a heating rod (19).

5. The device according to claim 4, characterized in that: The inside of the box body (2) is fixedly provided with a micro fan (20), the heating rod (19), the micro fan (20), the first contact (17) and the second contact (18) are electrically connected, and the heights of the first contact (17) and the second contact (18) are matched.

6. The device according to claim 4, characterized in that: The moisture-proof particles (13) are made of nano water absorption expansion materials.

7. The device according to claim 4, characterized in that: The upper and lower ends of the moving plate (15) are fixedly provided with limiting protrusions (21), the limiting protrusions (21) are slidably arranged in limiting sliding grooves (22), and the limiting sliding grooves (22) are arranged on the inner side wall of the box body (2).

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