CN217260021U

CN217260021U - Equipment compartment mounting structure under car

Info

Publication number: CN217260021U
Application number: CN202221192834.3U
Authority: CN
Inventors: 陈雪; 单宝珠; 王曦宇; 关旭日; 张一�
Original assignee: Qingdao Sifang Alstom Railway Transportation Equipment Co ltd
Current assignee: Qingdao Sifang Alstom Railway Transportation Equipment Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-23
Anticipated expiration: 2032-05-17

Abstract

The application provides an under-vehicle equipment compartment mounting structure which comprises an underframe boundary beam, a bottom cover plate and apron plates arranged at two ends of the bottom cover plate; the bottom frame boundary beam is connected with the vehicle body, and a skirtboard locking bracket is arranged below the bottom frame boundary beam; the upper end of the apron board is connected with the apron board locking bracket, and the lower end of the apron board is provided with an apron board clamping hook; a bottom cover plate clamping hook is arranged at the position, corresponding to the apron plate, of the end part of the bottom cover plate; the apron board clamping hook is connected with the bottom cover plate clamping hook in an occlusion way; the lower part of the apron board is connected with the bottom cover plate in a mutually meshed hook type, so that the structure is simple and reliable, and the installation and the maintenance are convenient; meanwhile, the sealing assembly and the second sealing rubber strip are arranged to guarantee the sealing effect of the equipment cabin.

Description

Equipment compartment mounting structure under car

Technical Field

The application relates to an equipment compartment mounting structure under a car, which is suitable for the field of rail vehicle design.

Background

At present, motor train units and passenger trains operated at home and abroad usually install large equipment below a train body underframe, and an under-train equipment cabin not only can contain under-train equipment, but also has the functions of protecting the under-train equipment and improving the aerodynamic performance. At present, partial equipment cabins have the defects of poor sealing effect and complex structure, and when equipment under a vehicle breaks down and needs to be maintained and replaced, the disassembly and maintenance procedures are complex. With the continuous development of vehicle technology, the equipment compartment with simple structure, reliable performance and convenient installation and maintenance is the development trend in the future.

In view of this, the present application is specifically made.

Disclosure of Invention

In order to solve one of the technical defects, the embodiment of the application provides an under-vehicle equipment compartment mounting structure.

According to a first aspect of the embodiments of the present application, there is provided an under-vehicle equipment compartment mounting structure, including an underframe edge beam, a bottom cover plate, and skirt boards arranged at two ends of the bottom cover plate;

the bottom frame boundary beam is connected with the vehicle body, and a skirtboard locking bracket is arranged below the bottom frame boundary beam;

the upper end of the skirtboard is connected with the skirtboard locking bracket, and the lower end of the skirtboard locking bracket is provided with a skirtboard clamping hook;

a bottom cover plate clamping hook is arranged at the position of the end part corresponding to the apron plate; the apron board hook is connected with the bottom cover board hook in an occlusion way.

Preferably, the bottom cover plate includes:

the bottom cover plate profiles are connected in sequence, and the bottom cover plate profiles at the end parts are connected to the lower end of the apron plate;

the lapping assemblies are arranged between the bottom cover plate profiles at intervals along the longitudinal direction;

and the sealing assembly is arranged between the bottom cover plate section bar at the end part and the apron plate.

Preferably, the lap joint assembly comprises:

the lap joint plate is arranged at the end part of the bottom cover plate profile; the lap plates at the end parts of the adjacent bottom cover plate profiles are arranged up and down;

a thread block disposed on an upper surface of the upper end of the lap plate;

and the fastener is used for connecting the lap plate and the thread block.

Preferably, the seal assembly comprises:

the sealing plate structure that the end of the bottom cover plate is provided with provides a space stop for the first sealing rubber strip.

The adhesive tape clamping groove is formed in the apron board and used for containing a first sealing adhesive tape.

Preferably, a second sealing rubber strip is arranged between the apron board and the edge beam of the underframe.

Preferably, a limiting assembly is further arranged between the bottom cover plate and the apron plate; the spacing subassembly includes:

the apron board lower bracket is connected with the apron board;

a gap is arranged above the limiting bracket to form a limiting space for accommodating the lower bracket of the skirtboard; the limiting space is used for limiting the movement of the apron board lower support along the length direction of the vehicle body.

Preferably, a safety rope is further arranged between the apron board locking support and the apron board; one end of the safety rope is connected with the apron board locking support, and the other end of the safety rope is connected with the apron board.

Adopt the equipment compartment mounting structure under car that provides in this application embodiment, have following beneficial effect:

according to the installation structure of the equipment cabin under the vehicle, the lower part of the apron board and the bottom cover plate are connected in a mutually meshed hook type manner, the structure is simple and reliable, and the installation and the maintenance are convenient; meanwhile, the sealing assembly and the second sealing rubber strip are arranged to guarantee the sealing effect of the equipment compartment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of an under-vehicle equipment compartment mounting structure provided in the present application;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

FIG. 4 is a first schematic view of a connection structure of a skirt board and a side beam of a bottom frame according to the present application;

FIG. 5 is a second schematic view of the connection structure of the skirt board and the underframe edge beam according to the present application;

fig. 6 is a schematic view of the mounting structure of the limiting bracket of the present application.

In the figure:

1. a skirtboard lower support; 2. a limiting space; 3. a safety cord; 4. the apron board locks the support; 5. a second sealing rubber strip; 6. a bottom cover plate; 601. a bottom cover plate section bar; 602. an overlapping component; 621. a lap plate; 622. a thread block; 623. a fastener; 603. a seal assembly; 631. the adhesive tape is clamped in the groove; 632. a first sealing rubber strip; 633. sealing plates; 604. a bottom cover plate hook; 7. a skirt board; 701. the apron board is clamped; 8. an underframe edge beam; 9. a limiting bracket; 10. a skirt plate lock.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Fig. 1 is a schematic view of an installation structure of an equipment cabin under a vehicle provided by the present application; FIG. 2 is an enlarged schematic view of A in FIG. 1; FIG. 3 is an enlarged view of B in FIG. 1; FIG. 4 is a first schematic view of a connection structure of a skirt board and a side beam of a bottom frame according to the present application; FIG. 5 is a second schematic view of the connection structure of the skirt board and the underframe edge beam according to the present application; fig. 6 is a schematic view of the mounting structure of the limiting bracket of the present application.

As shown in fig. 1 to 6, in the embodiment of the present application, an under-vehicle equipment compartment mounting structure is provided, which includes an underframe side beam 8, a bottom cover plate 6, and skirt boards 7 disposed at two ends of the bottom cover plate 6;

the underframe boundary beam 8 is connected with the car body, and the apron plate locking bracket 4 is arranged below the underframe boundary beam 8;

the apron plate 7 is connected with the apron plate locking bracket 4 at the upper end and provided with an apron plate clamping hook 701 at the lower end; specifically, the upper end of the apron 7 is fixed to the apron lock bracket 4 by the apron lock 10.

A bottom cover plate hook 604 is arranged at the end part of the bottom cover plate 6 corresponding to the apron plate 7; the skirt hook 701 is engaged with the bottom cover hook 604.

As an embodiment of the present application, the bottom cover plate 6 comprises a bottom cover plate profile 601, a lap joint assembly 602, and a sealing assembly 603;

a plurality of bottom cover plate section bars 601, wherein the bottom cover plate section bars 601 are connected in sequence, and the bottom cover plate section bars 601 at the end part are connected to the lower end of the apron board 7; the lapping assemblies 602 are arranged between the bottom cover plate profiles 601 at intervals along the longitudinal direction; and a sealing assembly 603 arranged between the end bottom cover plate section 601 and the skirt board 7.

The bottom cover plate 6 is a structure formed by welding a plurality of bottom cover plate profiles 601, and an overlapping component 602 is arranged in the width direction and is used for absorbing welding deformation and assembly errors; the width of the bottom cover plate 6 is ensured to meet the use requirement.

As an embodiment of the present application, the lap joint assembly 602 includes a lap plate 621, a threaded block 622, and a fastener 623;

a lap plate 621 provided at an end of the bottom cover plate section 601; the lap plates 621 at the end parts of the adjacent bottom cover plate profiles 601 are arranged up and down;

a screw block 622 provided on an upper surface of the upper-end lapping plate 621;

and a fastener 623 connecting the lapping plate 621 and the screw block 622.

As an example of the present application, the sealing assembly 603 includes a first sealing bead 632.

The sealing plate 633 structure disposed at the end of the bottom cover plate 6 provides a space stop for the first sealing rubber strip 632.

The rubber strip clamping groove 631 is formed in the skirt board 7 and used for accommodating the first sealing rubber strip 632.

Through seal assembly 603, be the state of compressing tightly after skirtboard 7 installation, guaranteed the sealed requirement in the equipment compartment under the car.

As an embodiment of the present application, a second sealing rubber strip 5 is provided between the skirt board 7 and the underframe edge beam 8.

As an embodiment of the application, a limit component is further arranged between the bottom cover plate 6 and the apron plate 7; the spacing subassembly includes:

the apron plate lower support 1 is connected with the apron plate 7;

a limiting bracket 9 with a gap above to form a limiting space 2 for accommodating the apron board lower bracket 1; the limiting space 2 is used for limiting the movement of the skirtboard lower bracket 1 along the length direction of the vehicle body. The skirt 7 can be effectively prevented from being shifted due to vibration during high-speed operation of the vehicle.

Spacing support 9 is installed on end cover plate 6, and skirtboard lower carriage 1 is installed on skirtboard 7, and during the equipment, place skirtboard lower carriage 1 inside spacing space 2 of spacing support 9, the motion of skirtboard 7 on vehicle length direction is restricted like this, can effectively prevent the drunkenness of skirtboard 7 in the vehicle operation process.

As an embodiment of the present application, a safety rope 3 is further disposed between the skirt board locking bracket 4 and the skirt board 7; one end of the safety rope 3 is connected with the apron board locking bracket 4, and the other end is connected with the apron board 7.

The skirtboard locking support 4 is connected to 3 one ends of safety rope, and skirtboard 7 is connected to the other end, can prevent that the accident of vehicle operation in-process skirtboard 7 from droing, can make skirtboard 7 keep certain angle that opens at the maintenance in-process simultaneously, the convenient maintenance.

The apron board 7 and the bottom cover plate 6 are both in a profile structure, the apron board 7 is in a hook-shaped structure matched with the apron board at the corresponding position of the bottom cover plate 6, and the apron board 7 and the bottom cover plate are mutually meshed; the upper part and the lower part of the apron board 7 are provided with groove structures for installing sealing rubber strips so as to ensure the sealing requirement of the equipment cabin under the vehicle.

As an embodiment of the present application, the skirt board 7 and the bottom cover plate 6 may be of an aluminum profile structure.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. An under-vehicle equipment compartment mounting structure is characterized by comprising an underframe boundary beam (8), a bottom cover plate (6) and apron plates (7) arranged at two ends of the bottom cover plate (6);

the underframe boundary beam (8) is connected with the car body, and an apron board locking bracket (4) is arranged below the underframe boundary beam (8);

the upper end of the skirtboard (7) is connected with the skirtboard locking bracket (4), and the lower end of the skirtboard (7) is provided with a skirtboard hook (701);

a bottom cover plate hook (604) is arranged at the end part of the bottom cover plate (6) corresponding to the apron plate (7); the apron plate hook (701) is connected with the bottom cover plate hook (604) in a snap-in mode.

2. The under-vehicle equipment compartment mounting structure according to claim 1, wherein the floor panel (6) includes:

a plurality of bottom cover plate section bars (601), wherein the bottom cover plate section bars (601) are connected in sequence, and the bottom cover plate section bars (601) at the end parts are connected to the lower end of the skirtboard (7);

the lap joint components (602) are arranged between the bottom cover plate profiles (601) at intervals along the longitudinal direction;

and the sealing assembly (603) is arranged between the bottom cover plate section bar (601) at the end part and the apron plate (7).

3. The under-vehicle equipment compartment mounting structure according to claim 2, wherein the lap joint assembly (602) includes:

a lap plate (621) arranged at the end of the bottom cover plate section bar (601); the lapping plates (621) at the end parts of the adjacent bottom cover plate profiles (601) are arranged up and down;

a screw block (622) provided on the upper surface of the upper end of the lap plate (621);

and the fastener (623) is used for connecting the lap plate (621) and the thread block (622).

4. The under-vehicle equipment compartment mounting structure according to claim 2, wherein the seal assembly (603) includes:

a sealing plate (633) structure arranged at the end part of the bottom cover plate (6) provides a space stop for the first sealing rubber strip (632);

the rubber strip clamping groove (631) is arranged on the apron board (7) and used for accommodating a first sealing rubber strip (632).

5. The under-vehicle equipment compartment mounting structure according to claim 1, wherein a second bead (5) is provided between the skirt (7) and the chassis side member (8).

6. The under-vehicle equipment compartment mounting structure according to claim 1, wherein a stopper member is further provided between the bottom cover plate (6) and the skirt plate (7); the spacing subassembly includes:

the apron plate lower support (1) is connected with the apron plate (7);

a limiting bracket (9) with a gap above to form a limiting space (2) for accommodating the apron plate lower bracket (1); the limiting space (2) is used for limiting the movement of the apron board lower support (1) along the length direction of the vehicle body.

7. The under-vehicle equipment compartment mounting structure according to claim 6, wherein a safety rope (3) is further provided between the skirt lock bracket (4) and the skirt (7); one end of the safety rope (3) is connected with the apron board locking bracket (4), and the other end of the safety rope is connected with the apron board (7).