Maintenance platform for water pressurizing unit of EMU

Abstract

The utility model relates to EMU maintenance equipment technical field discloses the uniform shape EMU water pressure increasing unit maintenance platform, include: base, the base includes the bottom plate of horizontal setting in the workbench, and the vertical connection bearing seat on the bottom plate, press the buckle cylinder, press the buckle cylinder to be provided with three, three press the buckle cylinder and arrange on the bottom plate with bearing seat as the center annular array, press the buckle cylinder horizontal setting and its output end all face bearing seat, simultaneously, the output end of each press buckle cylinder all coaxially connect with a limit piece, and the free end of limit piece all set up the horizontal V type groove, press the lid cylinder, press the lid cylinder vertical connection in the bottom plate and locate the just above bearing seat, and the output end of press the lid cylinder faces bearing seat and coaxially connects with a gland seat. The utility model discloses through setting press the buckle cylinder and press the lid cylinder, can fast, accurately realize the compression of water pressure increasing unit casing, greatly shortens the maintenance time, improves the field operation efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of EMU maintenance equipment, especially relates to a uniform shape EMU water pressurization unit maintenance platform. BACKGROUND

[0002] With the rapid development of high-speed railway in China, EMU has become an important carrier of railway passenger transport. In the long-term operation process, the water pressurization unit as an important part of the toilet system directly affects the travel experience of passengers. However, due to the long-term use of the water pressurization unit, the water pressurization unit fails frequently. After the failure of the uniform type EMU water pressurization unit, the internal stored water is easily inverted under the action of pressure, causing damage to the electromagnetic valve and affecting the function of the toilet. At present, the maintenance of the EMU water pressurization unit mainly depends on replacing the entire unit, which not only causes great economic loss, but also leads to resource waste. After disassembling the water pressurization unit, it is found that the cause of the failure is the damage of the internal rubber bowl, which causes the sealing function to fail. By replacing the faulty parts, the original function of the water pressurization unit can be restored, and the maintenance cost of the EMU can be reduced. In order to realize the compression of the water pressurization unit shell during maintenance, a uniform shape EMU water pressurization unit maintenance platform is designed to facilitate maintenance operation and improve maintenance efficiency. SUMMARY

[0003] In view of this, the purpose of the utility model is to provide a uniform shape EMU water pressurization unit maintenance platform to solve the problems pointed out in the background art.

[0004] In order to achieve the above utility model purposes, the technical scheme adopted is as follows:

[0005] The uniform shape EMU water pressurization unit maintenance platform comprises:

[0006] The base comprises a bottom plate horizontally arranged on the workbench and a bearing seat vertically connected to the bottom plate;

[0007] The pressure buckle cylinder is provided with three, the three pressure buckle cylinders are arranged in a ring array on the bottom plate with the bearing seat as the center, the pressure buckle cylinders are horizontally arranged and their output ends all face the bearing seat, and the output end of each pressure buckle cylinder is coaxially connected with a limiting piece, and the free end of the limiting piece is provided with a horizontal V-shaped groove;

[0008] The pressure cover cylinder is vertically connected to the bottom plate and located directly above the bearing seat, the output end of the pressure cover cylinder faces the bearing seat and is coaxially connected with a pressure cover seat.

[0009] As a further improvement of the utility model, the base further comprises a connecting arm and two mounting seats, the connecting arm and the two mounting seats are arranged in a circular array around the bearing seat on the bottom plate, and three pressing buckle cylinders are connected to the bottom plate through the connecting arm and the two mounting seats respectively.

[0010] As a further improvement of the utility model, the connecting arm is L-shaped, comprising a first section and a second section perpendicular to each other, the free end of the first section is connected to the bottom plate perpendicularly, and the free end of the second section extends horizontally above the bearing seat; one pressing buckle cylinder is connected to the first section horizontally, and the pressing cover cylinder is connected to the second section perpendicularly.

[0011] As a further improvement of the utility model, the bottom plate is a circular plate, the bottom plate is rotatably connected to the workbench, at least one threaded hole is vertically formed in the bottom plate, and a limiting bolt is screwed into the threaded hole and extends into an arc-shaped limiting slot formed in the workbench.

[0012] As a further improvement of the utility model, a rotating shaft is coaxially connected to the bottom of the bottom plate, and the rotating shaft is rotatably connected to a mounting hole formed in the workbench through a bearing.

[0013] As a further improvement of the utility model, the central angle of the arc-shaped limiting slot is 120°, the bottom of the bottom plate is fixedly connected with a limiting clamping column, and the end of the limiting clamping column is slidably connected to the arc-shaped limiting slot; through the cooperation of the limiting clamping column and the arc-shaped limiting slot, the bottom plate can rotate within a range of 120°, which facilitates the observation of the pressing condition of the upper and lower shells of the water booster unit and avoids the wires of the components from being pulled.

[0014] As a further improvement of the utility model, a controller is further included, the controller is installed inside the workbench, the controller is connected with the pressing buckle cylinders and the pressing cover cylinders respectively, and the controller is connected with a control button installed on the side of the workbench.

[0015] As a further improvement of the utility model, the bearing seat and the pressing cover seat are both circular groove structures, and two notches are symmetrically formed in the side surfaces of the bearing seat and the pressing cover seat, which facilitates installation and taking.

[0016] As a further improvement of the utility model, the heights of the output shafts of the pressing buckle cylinders are all higher than the height of the top of the bearing seat.

[0017] As a further improvement of the utility model, four casters with brake function are symmetrically arranged at the bottom of the workbench.

[0018] The utility model discloses an advantageous effect is: the utility model discloses through setting up pressure buckle cylinder and gland cylinder, can fast, accurately realize the compression of water pressure booster unit casing, greatly shorten the maintenance time, improve the field operation efficiency. The utility model guarantees the stability of pressure in the maintenance process, avoids the secondary damage caused by too big or too small pressure, improves the security of maintenance process. In addition, the rotation design of bottom plate makes the maintenance personnel can conveniently observe the compression of water pressure booster unit upper and lower casing, and adjusts when necessary, improves the accuracy of maintenance. The rotation range limitation of bottom plate and the design of limit stopper effectively prevent the wire from being pulled during the maintenance process, prolong the service life of equipment. The trundle with brake function that the workbench bottom is provided with makes the maintenance platform can be moved easily, adapts the need of different work sites, improves the flexibility of use. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings are provided to explain embodiments of the present application and are not meant to limit the present application. In the drawings:

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a second perspective structural schematic diagram of the utility model;

[0022] Figure 3 It is Figure 2 It is an enlarged view of A part structure;

[0023] Figure 4 It is a partial structural schematic diagram of the utility model;

[0024] Figure 5 It is a structural schematic diagram of water pressure booster unit.

[0025] In the drawing: 1, base, 2, workbench, 3, bottom plate, 4, bearing seat, 5, pressure buckle cylinder, 6, limit piece, 7, V-shaped groove, 8, gland cylinder, 9, gland seat, 10, connecting arm, 11, mounting seat, 12, limit bolt, 13, arc-shaped limit slot, 14, bearing, 15, limit stopper, 16, trundle, 17, water pressure booster unit, 18, upper casing, 19, lower casing, 20, arc-shaped buckle, 21, connecting bolt. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0027] In order to enable personnel in the technical field to better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work should fall within the scope of protection of the present application.

[0028] As shown in Figures 1-4 , the EMU water pressurizing unit maintenance platform comprises:

[0029] a base 1, the base 1 comprising a bottom plate 3 horizontally arranged on a workbench 2, and a bearing seat 4 vertically connected to the bottom plate 3;

[0030] a press buckle cylinder 5, the press buckle cylinder 5 being provided with three, the three press buckle cylinders 5 being arranged in a ring array on the bottom plate 3 with the bearing seat 4 as the center, the press buckle cylinder 5 being horizontally arranged and having its output end facing the bearing seat 4, and each output end of the press buckle cylinder 5 being coaxially connected with a limiting piece 6, the free end of the limiting piece 6 being provided with a horizontal V-shaped groove 7;

[0031] a press cover cylinder 8, the press cover cylinder 8 being vertically connected to the bottom plate 3 and located directly above the bearing seat 4, the output end of the press cover cylinder 8 facing the bearing seat 4 and being coaxially connected with a press cover seat 9.

[0032] The base 1 further comprises a connecting arm 10 and two mounting seats 11, the connecting arm 10 and the two mounting seats 11 being arranged in a ring array on the bottom plate 3 with the bearing seat 4 as the center, and the three press buckle cylinders 5 being connected to the bottom plate 3 through the connecting arm 10 and the two mounting seats 11 respectively.

[0033] The connecting arm 10 is L-shaped, comprising a first section and a second section perpendicular to each other, the free end of the first section being vertically connected to the bottom plate 3, and the free end of the second section extending horizontally to directly above the bearing seat 4; one of the press buckle cylinders 5 is horizontally connected to the first section, and the press cover cylinder 8 is vertically connected to the second section.

[0034] The bottom plate 3 is a circular plate, the bottom plate 3 being rotationally connected to the workbench 2, at least one threaded hole being vertically provided in the bottom plate 3, and a limiting bolt 12 being screwed into the threaded hole, the limiting bolt 12 extending into an arc-shaped limiting groove 13 provided in the workbench 2.

[0035] A rotating shaft is coaxially connected to the bottom of the bottom plate 3, and the rotating shaft is rotationally connected to a mounting hole provided in the workbench 2 through a bearing 14.

[0036] The center angle of the circular arc limiting groove 13 is 120°, the bottom of the bottom plate 3 is fixed with a limiting clamping column 15, the end of the limiting clamping column 15 is slidingly connected to the circular arc limiting groove 13, and through the cooperation of the limiting clamping column 15 and the circular arc limiting groove 13, the bottom plate 3 can rotate within a range of 120°, which is convenient for observing the compression of the upper shell 18 and the lower shell 19 of the water pressurizing unit 17 and can avoid that the wires of the components are pulled.

[0037] Further comprising a controller installed inside the workbench 2, the controller is connected with the pressing buckle cylinder 5 and the pressing cover cylinder 8 respectively, and the controller is connected with a control button installed on the side of the workbench 2.

[0038] The bearing seat 4 and the pressing cover seat 9 are both circular groove structures, and two notches are symmetrically arranged on the side of the bearing seat 4 and the pressing cover seat 9, which facilitates installation and taking.

[0039] The height of the output shaft of each pressing buckle cylinder 5 is higher than the height of the top of the bearing seat 4.

[0040] The bottom of the workbench 2 is symmetrically provided with four casters 16 with brake function.

[0041] As shown in Figure 5 When the utility model is used, the upper shell 18 and the lower shell 19 of the water pressurizing unit 17 are compressed through the bearing seat 4 and the pressing cover seat 9, then a plurality of arc-shaped buckles 20 are sleeved on the connecting part of the upper shell 18 and the lower shell 19, the three arc-shaped buckles 20 are uniformly stressed through the cooperation of the three pressing buckle cylinders 5 and the limiting members 6, and then the adjacent two arc-shaped buckles 20 are connected together through the connecting bolts 21.

[0042] The above only describes preferred embodiments of the utility model and is not used to limit the utility model. For those skilled in the art, the utility model can be changed and varied in various ways. Any modification, equivalent replacement, improvement, component disassembly or combination, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A maintenance platform for a water pressurization unit of a multiple unit motor car, characterized in that, The utility model relates to a base, the base includes the bottom plate that is arranged horizontally on the workbench, and the bearing seat is connected vertically on the bottom plate, three pressure buckle cylinders are arranged on the bottom plate, the three pressure buckle cylinders are arranged in the ring array around the bearing seat, the output end of the pressure buckle cylinder is arranged horizontally and all faces the bearing seat, and the output end of each pressure buckle cylinder is coaxially connected with a limiting piece, the free end of the limiting piece is provided with a horizontal V-shaped groove, a pressure cover cylinder is connected vertically on the bottom plate and located above the bearing seat, the output end of the pressure cover cylinder faces the bearing seat and is coaxially connected with a pressure cover seat, the base further includes a connecting arm and two mounting seats, the connecting arm and the two mounting seats are arranged in the ring array around the bearing seat on the bottom plate, and the three pressure buckle cylinders are connected to the bottom plate through the connecting arm and the two mounting seats, the connecting arm is L-shaped and includes a first section and a second section which are perpendicular to each other, the free end of the first section is connected perpendicularly to the bottom plate, the free end of the second section extends horizontally above the bearing seat, one pressure buckle cylinder is connected horizontally on the first section, and the pressure cover cylinder is connected vertically on the second section, the bottom plate is a circular plate, the bottom plate is rotatably connected to the workbench, at least one threaded hole is vertically provided on the bottom plate, a limiting bolt is screwed into the threaded hole, and the limiting bolt extends into an arc-shaped limiting slot provided on the workbench, a rotating shaft is coaxially connected to the bottom of the bottom plate, the rotating shaft is rotatably connected to a mounting hole provided on the workbench through a bearing, the central angle of the arc-shaped limiting slot is 120 degrees, the bottom of the bottom plate is fixedly connected with a limiting clamping column, and the end of the limiting clamping column is slidably connected to the arc-shaped limiting slot, a controller is further included, the controller is installed inside the workbench, the controller is connected to the pressure buckle cylinders and the pressure cover cylinder respectively, and the controller is connected with a control button installed on the side of the workbench, the bearing seat and the pressure cover seat are both circular groove structures, and two symmetrical notches are provided on the side of the bearing seat and the pressure cover seat, the height of the output shaft of each pressure buckle cylinder is higher than the height of the top of the bearing seat, and four casters with brake function are symmetrically provided on the bottom of the workbench. ​ ​ ​ 2. The EMU water pressurizing unit maintenance platform according to claim 1, characterized in that: ​ 3. The EMU water pressurizing unit maintenance platform according to claim 2, characterized in that: ​ 4. The EMU water pressurizing unit maintenance platform according to claim 1, characterized in that: ​ 5. The EMU water pressurizing unit maintenance platform according to claim 4, characterized in that: ​ 6. The EMU water pressurizing unit maintenance platform according to claim 5, characterized in that: ​ 7. The EMU water pressurizing unit maintenance platform according to claim 1, characterized in that: ​ 8. The EMU water pressurizing unit maintenance platform according to claim 1, characterized in that: ​ 9. The EMU water pressurizing unit maintenance platform according to claim 1, characterized in that: ​ 10. The EMU water pressurizing unit maintenance platform according to claim 1, characterized in that: ​

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