CN220376351U

CN220376351U - EMUs overhauls filling dolly

Info

Publication number: CN220376351U
Application number: CN202320563797.0U
Authority: CN
Inventors: 樊昕; 朱明�; 刘云飞; 周春光; 宋健宇; 曹超; 刘明月; 凌越; 杨阳
Original assignee: Nanjing EMU of China Railway Shanghai Group Co Ltd
Current assignee: Nanjing EMU of China Railway Shanghai Group Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2024-01-23
Anticipated expiration: 2033-03-22

Abstract

The present disclosure provides a EMUs overhauls filling dolly, include: the device comprises an electric trolley, a liquid storage device, a filling pipeline, a liquid supplementing pipeline, a filling gun capable of automatically jumping the gun and a water pipe reel. The liquid storage device is fixedly connected to the bottom plate of the electric trolley, the water inlet of the filling pipeline is connected to the liquid outlet of the liquid storage device, the water inlet of the water pipe reel is connected to the water outlet of the filling pipeline, the water outlet of the liquid filling pipeline is connected to the liquid inlet of the liquid storage device, the electric trolley is provided with a mounting plate, and an electric cabinet, an operation button and a placing frame are arranged on the mounting plate. The filling trolley for overhauling the motor train unit can carry and fill filling liquid required by the motor train unit, so that the operation time and the workload are saved, and the on-site overhauling efficiency is improved; the utility model can realize the functions of quantitative filling, manual filling and one-key fluid infusion by only operating the control button, and simultaneously has the functions of voice prompt and water shortage protection, and is convenient to operate, safe and reliable.

Description

EMUs overhauls filling dolly

Technical Field

The disclosure relates to the field of high-speed motor train unit operation overhauling, in particular to a motor train unit overhauling and filling trolley.

Background

Along with rapid development of high-speed railways, the number of the high-speed motor train units is continuously increased, the requirement for the maintenance and filling liquid of the motor train units is greatly increased, and how to improve the maintenance efficiency of the motor train units is a problem to be solved urgently.

The motor train unit needs to be filled with various maintenance filling liquids in the daily application process, a great deal of manpower, material resources and time are needed by the filling mode and the transportation mode adopted at present, and the filling liquid cannot be accurately filled in the filling process, so that the filling liquid is easy to overflow to cause waste and pollution, the maintenance efficiency is low, the maintenance quality is not guaranteed, and a technology is needed to make up for the defect.

Disclosure of Invention

The main object of the present disclosure is to provide a motor train unit maintenance filling trolley, so as to at least solve the above technical problems existing in the prior art.

To achieve the above object, a first aspect of the present disclosure provides a motor train unit maintenance filling trolley, including: the device comprises an electric trolley, a liquid storage device, a filling pipeline, a liquid supplementing pipeline, a filling gun capable of automatically jumping the gun and a water pipe reel. The liquid storage device is fixedly connected to the bottom plate of the electric trolley, the water inlet of the filling pipeline is connected to the liquid outlet of the liquid storage device, the water inlet of the water pipe reel is connected to the water outlet of the filling pipeline, the water outlet of the liquid supplementing pipeline is connected to the liquid inlet of the liquid storage device, the electric trolley is provided with a mounting plate, and an electric cabinet, an operation button and a placing frame are arranged on the mounting plate.

In an embodiment, the filling pipeline comprises a first pipeline, a second pipeline and a third pipeline, the first pipeline is in sealing connection with the third pipeline through the second pipeline, a water inlet of the first pipeline is a water inlet of the filling pipeline, and a water outlet of the third pipeline is a water outlet of the filling pipeline.

In an implementation manner, the first pipeline is provided with an auxiliary pump, a first connecting pipe and a second connecting pipe in parallel, the water inlet of the auxiliary pump is connected with the liquid outlet of the liquid storage device in a sealing manner through the first connecting pipe, and the water outlet of the auxiliary pump is connected with the water inlet of the second pipeline in a sealing manner through the second connecting pipe.

In an implementation mode, the second pipeline is a horizontal straight pipe and has a length greater than 50cm, the second pipeline is provided with a filling pump, a flowmeter and an auxiliary pump pressure switch in sequence, the flowmeter is arranged at the middle position of the filling pump and the auxiliary pump pressure switch, and the filling pump is fixed on the bottom plate of the electric trolley.

In an implementation manner, the third pipeline is sequentially provided with an exhaust valve, a main pressure switch and a water flow switch, the third pipeline and the second pipeline are at the same horizontal height, the diameter of the third pipeline is smaller than that of the second pipeline, and the third pipeline adopts a U-shaped structure.

In an implementation manner, the fluid infusion pipeline comprises a fluid infusion pump, a third connecting pipe and a fourth connecting pipe, the fluid infusion pump is fixed on the bottom plate of the electric trolley, a water inlet of the fluid infusion pump is connected with the third connecting pipe, a water outlet of the fluid infusion pump is connected with a liquid inlet of the liquid storage device through the fourth connecting pipe, and the third connecting pipe adopts a hose.

In an embodiment, the filling gun is connected to the water outlet of the water pipe reel, and the filling gun is arranged on the placing frame.

In one embodiment, the water line reel is fixed to the floor of the electric trolley.

In one embodiment, the fill line is a rigid material.

The utility model has the beneficial effects that: the utility model can carry and fill filling liquid needed, saves operation time and workload, and improves on-site maintenance efficiency; the utility model can realize the functions of quantitative filling, manual filling and one-key fluid infusion by only operating the control button, and simultaneously has the functions of voice prompt and water shortage protection, and is convenient to operate, safe and reliable.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings, in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a perspective view of a fill line and a refill line of the present utility model;

FIG. 3 is a front view of the fill line and refill line of the present utility model;

FIG. 4 is a top view of the fill line and refill line of the present utility model;

FIG. 5 is a rear view of the fill line and refill line of the present utility model;

fig. 6 is a schematic diagram of the fill line and refill line of the present utility model.

Wherein the above figures include the following reference numerals:

1. an electric trolley; 2. a liquid storage device; 3. a filling line; 4. a first pipeline; 5. a second pipeline; 6. a third pipeline; 7. a fluid supplementing pipeline; 8. a filling gun; 9. a water pipe reel; 11. a mounting plate; 12. an electric control box; 13. operating a button; 14. a placing rack; 41. a sub-pump; 42. a first connection pipe; 43. a second connection pipe; 51. a filling pump; 52. a flow meter; 53. a secondary pump pressure switch; 61. an exhaust valve; 62 a main pressure switch; 63. a water flow switch; 71. a third connection pipe; 72. a fluid supplementing pump; 73. and a fourth connecting pipe.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more comprehensible, the technical solutions in the embodiments of the present disclosure will be clearly described in conjunction with the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Referring to fig. 1-6, the utility model is a motor train unit maintenance filling trolley, comprising: the automatic gun-jumping type electric vehicle comprises an electric vehicle 1, a liquid storage device 2, a filling pipeline 3, a liquid supplementing pipeline 7, a filling gun 8 capable of automatically jumping the gun and a water pipe reel 9. The liquid storage device 2 is fixedly connected to a carriage bottom plate of the electric trolley 1, a water inlet of the filling pipeline 3 is connected to a liquid outlet of the liquid storage device 2, a water inlet of the water pipe reel 9 is connected to a water outlet of the filling pipeline 3, a water outlet of the liquid supplementing pipeline 7 is connected to a liquid inlet of the liquid storage device 2, the electric trolley 1 is provided with a mounting plate 11, an electric cabinet 12, an operation button 13 and a placing frame 14 are arranged on the mounting plate 11, and the filling gun 8 is placed on the placing frame 14.

Specifically, the filling pipeline 3 comprises a first pipeline 4, a second pipeline 5 and a third pipeline 6, the first pipeline 4 is in sealing connection with the third pipeline 6 through the second pipeline 5, the water inlet of the first pipeline 4 is the water inlet of the filling pipeline 3, the water outlet of the third pipeline 6 is the water outlet of the filling pipeline 3, the filling pipeline 3 is made of rigid materials, and the pipeline is prevented from being damaged due to overlarge liquid pressure.

Specifically, the first pipeline 4 is provided with a secondary pump 41, a first connecting pipe 42 and a second connecting pipe 43 in parallel, a water inlet of the secondary pump 41 is connected to a liquid outlet of the liquid storage device 2 in a sealing manner through the first connecting pipe 42, a water outlet of the secondary pump 41 is connected to a water inlet of the second pipeline 5 in a sealing manner through the second connecting pipe 43, and the secondary pump 41 can pre-pressurize the filling pipeline 3 to enable each control switch on the filling pipeline 3 to act.

Specifically, the second pipeline 5 is a horizontal straight pipe and has a length greater than 50cm, the second pipeline 5 is sequentially provided with a filling pump 51, a flowmeter 52 and a secondary pump pressure switch 53, and the flowmeter 52 is arranged at the middle position of the filling pump 51 and the secondary pump pressure switch 53, so that the accuracy of the flowmeter can be ensured.

Specifically, the third pipeline 6 has set gradually discharge valve 61, main pressure switch 62 and rivers switch 63, and third pipeline 6 and second pipeline 5 are at same level, and third pipeline 6 diameter is less than second pipeline 5 diameter, and third pipeline 6 adopts U type structure, can prolong the length of third pipeline 6 when saving space, makes the liquid flow in the pipeline reach a steady state, makes auxiliary pump pressure switch 53, main pressure switch 62 and rivers switch 63 function normal.

Specifically, the fluid infusion pipeline 7 includes a fluid infusion pump 72, a third connecting pipe 71 and a fourth connecting pipe 73, the water inlet of the fluid infusion pump 72 is connected with the third connecting pipe 71, the water outlet of the fluid infusion pump 72 is connected with the liquid inlet of the liquid storage device 2 through the fourth connecting pipe 73, the third connecting pipe 71 adopts a hose, and various conditions can be adapted in the fluid infusion process, and the fluid infusion device is convenient to store.

Specifically, its characterized in that, filling rifle 8 is connected in the delivery port of water pipe reel 9, can satisfy the filling demand of on-vehicle and the not co-altitude under the car, and simultaneously, water pipe reel 9 occupation space is little, is convenient for accomodate.

Specifically, the water pipe reel 9, the filling pump 51, and the fluid replacement pump 72 are fixed to the bottom plate of the electric vehicle 1.

In summary, both dosing and manual dosing may be selected during use. When quantitative filling is selected, a quantitative filling button is pressed, a filling pump 51 starts to work, filling liquid is extracted from the liquid storage device 2, reaches a water pipe reel 9 through a filling pipeline 3, and finally is filled through a filling gun 8, the filling amount is calculated through a flowmeter 52, and when the filling amount reaches a set value, the filling pump 51 stops working, and quantitative filling is completed; when manual filling is selected, a manual filling button is pressed, the auxiliary pump 41 works, filling liquid is extracted from the liquid storage device 2 into the filling pipeline 3, the water flow switch 63 is closed, the filling pump 51 starts to work, the filling liquid is extracted from the liquid storage device 2, passes through the filling pipeline 3 to reach the water pipe reel 9 and is filled through the filling gun 8, when the pressure in the filling pipeline 2 reaches the threshold value of the auxiliary pump pressure switch 53, the auxiliary pump pressure switch 53 is opened, the auxiliary pump 41 stops working, the filling pump 51 continues to work, the filling gun 8 is released, the pressure in the filling pipeline 3 rises, when the pressure reaches the threshold value of the main pressure switch 62, the main pressure switch 62 is opened, the filling pump 51 stops working, and manual filling is completed; when the refill button is pressed, the refill pump 72 starts to operate, and the refill liquid is pumped from the reservoir to the liquid storage device 2. When the liquid level in the liquid storage device 2 is too low, the filling trolley can only operate the liquid filling button, and the filling button fails, so that the water shortage protection function is realized. Through the effect of electric cabinet 12, every operation is provided with voice prompt, prevents the misoperation of operating personnel.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps recited in the present disclosure may be performed in parallel or sequentially or in a different order, provided that the desired results of the technical solutions of the present disclosure are achieved, and are not limited herein.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A EMUs overhauls filling dolly, includes: the automatic jump gun filling device is characterized in that the liquid storage device (2) is fixedly connected to a bottom plate of the electric trolley (1), a water inlet of the liquid storage device (2) is connected to a liquid outlet of the liquid storage device (2), a water inlet of the water pipe reel (9) is connected to a water outlet of the liquid storage device (3), a water outlet of the liquid supplementing pipeline (7) is connected to a liquid inlet of the liquid storage device (2), the electric trolley (1) is provided with a mounting plate (11), and an electric cabinet (12), an operation button (13) and a placement frame (14) are arranged on the mounting plate (11).

2. The motor train unit overhaul filling trolley according to claim 1, wherein the filling pipeline (3) comprises a first pipeline (4), a second pipeline (5) and a third pipeline (6), the first pipeline (4) is in sealing connection with the third pipeline (6) through the second pipeline (5), a water inlet of the first pipeline (4) is a water inlet of the filling pipeline (3), and a water outlet of the third pipeline (6) is a water outlet of the filling pipeline (3).

3. The motor train unit maintenance filling trolley according to claim 2, wherein an auxiliary pump (41), a first connecting pipe (42) and a second connecting pipe (43) are arranged on the first pipeline (4) in parallel, a water inlet of the auxiliary pump (41) is connected with a liquid outlet of the liquid storage device (2) in a sealing manner through the first connecting pipe (42), and a water outlet of the auxiliary pump (41) is connected with a water inlet of the second pipeline (5) in a sealing manner through the second connecting pipe (43).

4. The motor train unit overhauling and filling trolley according to claim 2, wherein the second pipeline (5) is a horizontal straight pipe and has a length larger than 50cm, the second pipeline (5) is sequentially provided with a filling pump (51), a flow meter (52) and a secondary pump pressure switch (53), the flow meter (52) is arranged at the middle position of the filling pump (51) and the secondary pump pressure switch (53), and the filling pump (51) is fixed on the bottom plate of the electric trolley (1).

5. The motor train unit maintenance filling trolley according to claim 2, wherein the third pipeline (6) is sequentially provided with an exhaust valve (61), a main pressure switch (62) and a water flow switch (63), the third pipeline (6) and the second pipeline (5) are at the same horizontal height, the diameter of the third pipeline (6) is smaller than that of the second pipeline (5), and the third pipeline (6) adopts a U-shaped structure.

6. The motor train unit maintenance filling trolley according to claim 1, wherein the fluid infusion pipeline (7) comprises a fluid infusion pump (72), a third connecting pipe (71) and a fourth connecting pipe (73), the fluid infusion pump (72) is fixed on a bottom plate of the motor-driven trolley (1), a water inlet of the fluid infusion pump (72) is connected with the third connecting pipe (71), a water outlet of the fluid infusion pump (72) is connected with a fluid inlet of the fluid storage device (2) through the fourth connecting pipe (73), and the third connecting pipe (71) adopts a hose.

7. Motor train unit service filling trolley according to claim 1, characterized in that the filling gun (8) is connected to the water outlet of the water line reel (9), the filling gun (8) being arranged on the rack (14).

8. Motor train unit service filling trolley according to claim 1, characterized in that the water line reel (9) is fixed on the floor of the electric trolley (1).

9. A motor train unit service filling trolley according to claim 1, characterized in that the filling line (3) is of rigid material.