CN110588684B

CN110588684B - Self-adaptive skirt board for vehicle body steering

Info

Publication number: CN110588684B
Application number: CN201910839159.5A
Authority: CN
Inventors: 丁叁叁; 单永林; 顾玉林; 梁海廷; 王万静
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-08-28
Anticipated expiration: 2039-09-05
Also published as: CN110588684A

Abstract

The invention provides a self-adaptive skirt board for vehicle body steering, which comprises: the apron board comprises a framework, an apron board body and a plurality of spherical hinge guide rods; the spherical hinge guide rod comprises at least two spherical hinge pieces, and a buffer layer is arranged between a spherical shell of each spherical hinge piece and the mandrel; one end of the spherical hinge guide rod is hinged with the framework through a spherical hinge part, and the plurality of spherical hinge guide rods are uniformly distributed on two sides of the framework; the other end of the spherical hinge guide rod is hinged with the vehicle body through another spherical hinge piece; the apron board body is rotationally connected with the framework, and the apron board body covers the outer side of the framework. According to the self-adaptive skirt board for vehicle body steering provided by the embodiment of the invention, the hinging characteristic of the spherical hinge guide rod and the elastic deformation of the buffer layer are utilized, the self-adaptive skirt board can self-adapt to vehicle body dislocation when a vehicle body is steered, and the relative position or relative angle between the skirt board and the vehicle body is passively adjusted, so that the self-adaptation of the vehicle body during steering is realized.

Description

Self-adaptive skirt board for vehicle body steering

Technical Field

The invention relates to the technical field of train skirtboards, in particular to a self-adaptive skirtboard for vehicle body steering.

Background

At present, a high-speed maglev train is high in running speed, in order to reduce running resistance and noise, a skirt plate for reducing resistance, reducing noise and protecting equipment below the train needs to be arranged below the train, and the skirt plate needs to be arranged outside a suspension frame for guiding flow, so that the running resistance and the noise are reduced.

The skirt board of the existing maglev train is generally fixed on the suspension frame in a bolt mode and the like, and the existing skirt board can play a role in noise reduction and flow guidance when the maglev train moves straight; however, when the train passes through a curved route, the train needs to turn, at the moment, complex relative dislocation exists between the multiple sections of the suspension frames of the maglev train, and the traditional apron board is not suitable for the scene of train body turning.

Disclosure of Invention

In order to solve the above problems, an object of an embodiment of the present invention is to provide a vehicle body steering adaptive skirt panel.

The embodiment of the invention provides a self-adaptive skirt board for vehicle body steering, which comprises: the apron board comprises a framework, an apron board body and a plurality of spherical hinge guide rods; the spherical hinge guide rod comprises at least two spherical hinge pieces, and a buffer layer is arranged between a spherical shell of each spherical hinge piece and the mandrel;

one end of the spherical hinge guide rod is hinged with the framework through a spherical hinge part, and the spherical hinge guide rods are uniformly distributed on two sides of the framework; the other end of the spherical hinge guide rod is hinged with the vehicle body through another spherical hinge piece;

the apron board body is rotatably connected with the framework, and the apron board body covers the outer side of the framework.

In one possible embodiment, some or all of the ball joint links are three-point links, which at least comprise three ball joints.

In one possible implementation, the adaptive skirt further includes: a connecting member;

the three-point type guide rod and at least one other spherical hinge guide rod are hinged with one end of the connecting piece, and the other end of the connecting piece is fixedly connected with the vehicle body.

In one possible implementation, the apron body includes: an upper skirt plate and a lower skirt plate;

the lower side edge of the upper apron board is rotatably connected with the framework, and the upper side edge of the lower apron board is rotatably connected with the framework; the lower side edge of the upper apron board is adjacent to the upper side edge of the lower apron board.

In one possible implementation mode, the framework is an H-shaped framework provided with a cross bar in the middle;

the upper apron board and the lower apron board are rotatably connected with the cross bar of the framework.

In a possible implementation manner, the framework comprises latch locks arranged on two sides, a support is arranged on the inner surface of the apron board body, and the support is provided with latch holes matched with the latch locks.

In one possible implementation, the deadbolt lock includes: the locking device comprises a locking screw and an L-shaped fixing frame, wherein the L-shaped fixing frame is provided with a locking screw limiting hole;

the apron plate body is provided with a locking screw through hole matched with the locking screw limiting hole.

In one possible implementation, the skeleton includes lock cylinders disposed at both sides;

the apron board body is provided with a fixing through hole at a position corresponding to the lock core.

In a possible implementation, the framework is provided with a positioning block facing the apron board body;

and the apron board body is provided with a positioning groove at the position corresponding to the positioning block.

In one possible implementation, the adaptive skirt further includes: a telescopic stay bar;

one end of the telescopic support rod is rotatably connected with the framework, and the other end of the telescopic support rod is rotatably connected with the inner side of the apron board body.

In a possible realization, the bottom of the apron body is provided with a cushion rubber made of sound absorbing material.

In a possible realization, the apron body is provided with elastic parts at the sides connected with other apron bodies.

In the scheme provided by the embodiment of the invention, one side of the apron board body can rotate around the framework, so that a worker can conveniently open the apron board body and maintain or inspect the vehicle body; in addition, the hinging characteristic of the spherical hinge guide rod and the elastic deformation of the buffer layer are utilized, the self-adaption vehicle body can be subjected to dislocation when the vehicle body turns, the relative position or the relative angle between the apron board and the vehicle body is passively adjusted, and the self-adaption of the vehicle body during turning is realized.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a vehicle body steering adaptive skirt panel provided by an embodiment of the invention in an open state;

FIG. 2 is a schematic structural diagram of a vehicle body steering adaptive skirt panel provided by the embodiment of the invention in a closed state;

FIG. 3 is a schematic structural diagram of a ball joint guide rod in the self-adaptive steering skirt of the vehicle body according to the embodiment of the invention;

FIG. 4 is a schematic structural diagram of a three-point type guide rod in the self-adaptive steering skirt of the vehicle body according to the embodiment of the invention;

FIG. 5 is a schematic structural diagram of a framework in the self-adaptive steering skirt board of the vehicle body provided by the embodiment of the invention;

FIG. 6 is a schematic structural diagram of a latch lock on a framework in the self-adaptive steering skirt of the vehicle body according to the embodiment of the invention;

fig. 7 shows a cross-sectional view a-a of the body steering adaptive skirt provided by the embodiment of the present invention with the carcass and skirt body separated;

FIG. 8 shows a cross-sectional view A-A of the body steering adaptive skirt as the carcass and skirt body are brought into close proximity in accordance with an embodiment of the present invention;

fig. 9 shows a cross-sectional view a-a of the body steering adaptive panel provided in the embodiment of the present invention when the skeleton and the panel body are fixed.

Icon: 10-a framework; 20-apron board body; 30-ball hinge guide rod; 40-a connector; 50-a telescopic stay; 60-a vehicle body; 11-bolt lock; 111-anti-loose screws; 112-L shaped fixing frame; 1121-stop screw limiting hole; 12-a lock cylinder; 13-positioning blocks; 21-upper apron board; 22-lower apron board; 23-a support; 24-cushion rubber; 25-an elastic member; 231-bolt holes; 201-anti-loose screw through hole; 202-fixing through holes; 203-positioning grooves; 31-a spherical hinge; 311-spherical shell; 312-a mandrel; 313-buffer layer.

Detailed Description

In the description of the present invention, 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", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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 invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and 2, an adaptive skirt panel for vehicle body steering according to an embodiment of the present invention includes: the structure comprises a framework 10, an apron board body 20 and a plurality of spherical hinge guide rods 30; the ball joint guide 30 includes at least two ball joints 31, and as shown in fig. 2, a buffer layer 313 is disposed between the spherical shell 311 of the ball joint 31 and the mandrel 312. The buffer layer 313 serves as an elastic buffer, and may be made of a rubber material.

Specifically, one end of the spherical hinge guide rod 30 is hinged to the framework 10 through one spherical hinge 31, and the other end of the spherical hinge guide rod 30 is hinged to the vehicle body 60 through the other spherical hinge 31; and a plurality of ball hinge guide rods 30 are uniformly arranged at both sides of the frame 10. Three ball-and-socket joints 30 are illustrated in fig. 1 and 2.

The apron body 20 is rotatably connected to the frame 10, and the apron body 20 covers the outer side of the frame 10. In this embodiment, the skirt body 20 is divided into two parts, and the skirt body 20 includes: an upper skirt panel 21 and a lower skirt panel 22; the lower side edge of the upper apron board 21 is rotatably connected with the framework 10, and the upper side edge of the lower apron board 22 is rotatably connected with the framework 10; the lower side of the upper apron 21 is adjacent to the upper side of the lower apron 22.

The self-adaptive skirt board for vehicle body steering provided by the embodiment of the invention can be arranged outside the lower part of the train body 60, and particularly can be arranged on a suspension bracket. As shown in fig. 1 and 2, the apron body 20 of the adaptive apron is rotatable around the framework 10, fig. 1 is a schematic view of the apron body 20 in an open state, and fig. 2 is a schematic view of the apron body 20 in a closed state. Under normal conditions skirtboard body 20 is the closed condition, when needs maintain or inspect the train, can open skirtboard body 20, makes things convenient for staff to maintain or inspect the automobile body.

Under normal conditions, the apron body 20 is fixed on the framework 10, and the framework is hinged with the train body 60 through the spherical hinge guide rod 30, so that the self-adaptive apron can wrap the outer side of the train running mechanism. Because the framework 10 is hinged with the vehicle body through the spherical hinge guide rod 30, and the buffer layer 313 is arranged inside each spherical hinge piece 31 of the spherical hinge guide rod 30, the mandrel 312 can adaptively rotate in the spherical shell 311; when the train needs to turn through a curve line, the adaptive skirting board can passively adjust the relative position or relative angle between the skirting board and the train body by using the action of the spherical hinge guide rod 30 according to the turning requirement of the train body, such as passively adjusting the deflection angle of the skirting board in the train body direction, the pitch angle and the rotation angle in the vertical direction and the like, so that the train body can be adaptively steered through a complex curve line.

According to the self-adaptive skirt board for vehicle body steering, provided by the embodiment of the invention, one side of the skirt board body can rotate around the framework, so that a worker can conveniently open the skirt board body and maintain or inspect a vehicle body; in addition, the hinging characteristic of the spherical hinge guide rod and the elastic deformation of the buffer layer are utilized, the self-adaption vehicle body can be subjected to dislocation when the vehicle body turns, the relative position or the relative angle between the apron board and the vehicle body is passively adjusted, and the self-adaption of the vehicle body during turning is realized.

On the basis of the above-described embodiment, part or all of the ball-joint guide 30 is a three-point guide. In this embodiment, the three-point link comprises at least three ball joints 31. A schematic of a three-point link is shown in fig. 4. If a ball joint guide 30 having only two ball joints (such as the ball joint guide shown in fig. 3, which is a two-point type guide including two ball joints 31) is used, it is easy to cause the movement between the frame 10 and the vehicle body 60. In the embodiment, the three-point guide rod is added, so that the relative displacement between the framework and the vehicle body can be avoided, and the stability of the self-adaptive apron board installation is ensured. In the present embodiment, fig. 1 and 2 show that the adaptive skirt board comprises a three-point type guide rod and two-point type guide rods; since the spherical hinge guide rods 30 are uniformly arranged on both sides of the framework 10, fig. 1 and 2 are side views of the adaptive skirt panel, so that the adaptive skirt panel actually comprises two three-point guide rods and four two-point guide rods as a whole.

In addition, referring to fig. 1 and 2, the adaptive skirt further includes: a connecting member 40; the three-point link and at least one other ball joint link 30 are both hinged to one end of the link 40, and the other end of the link 40 is fixedly connected to the vehicle body 60. In this embodiment, the ball joint guide 30 is connected to the vehicle body by a connecting member 40.

On the basis of the above embodiments, the framework 10 in the present embodiment is an H-shaped framework with a cross bar in the middle. The structural schematic diagram of the H-shaped framework is shown in figure 5. When the skirt body 20 comprises an upper skirt 21 and a lower skirt 22, both the upper skirt 21 and the lower skirt 22 are rotatably connected to the cross bar of the carcass 10.

Optionally, in the embodiment of the present invention, the apron body 20 is fixed to the framework through the latch lock 11 in the closed state. Specifically, as shown in fig. 6 and 7, fig. 6 is an enlarged schematic view of the upper left side of the framework shown in fig. 5. Specifically, the framework 10 includes latch locks 11 disposed at both sides; when the framework 10 is an H-shaped framework, the latch lock 11 can be arranged on the vertical rods on both sides of the H-shaped framework, as shown in fig. 5. Meanwhile, the apron body 20 is provided with a support 23 on the inner surface thereof, and the support 23 is provided with a latch hole 231 matched with the latch lock 11.

As shown in fig. 6 and 7, latch lock 11 further includes: the locking device comprises a locking screw 111 and an L-shaped fixing frame 112, wherein the L-shaped fixing frame 112 is provided with a locking screw limiting hole 1121; the apron body 20 is provided with a lock screw through hole 201 matched with the lock screw limiting hole 1121.

In this embodiment, the fixed upper skirt panel 21 is described as an example. In this embodiment, fig. 7 is a sectional view taken along line a-a in fig. 2, and the framework 10 and the apron body 20 in fig. 7 are separated from each other. When the apron body 20 needs to be fixed, the apron body 20 is rotated to a position close to the framework 10, and the state at this time can be seen in fig. 8. The lock cylinder 12 is then rotated so that the pins of the latch lock 11 can pass into the latch holes 231 in the abutments 23, thereby limiting the position between the carcass 10 and the skirt body 20. Meanwhile, after the lock cylinder of the latch lock 11 is inserted into the latch hole 231, the lock screw 111 may pass through the lock screw through hole 201 of the apron body 20 and the lock screw limiting hole 1121 of the L-shaped fixing frame 112 in sequence, thereby fixing the L-shaped fixing frame 112.

In addition, in the embodiment of the present invention, referring to fig. 6 to 9, the frame 10 includes lock cylinders 12 provided at both sides; the skirt body 20 is provided with a stepped fixing through hole 202 at a position corresponding to the key cylinder 12. After the apron body 20 is tightly attached to the framework 10, as shown in fig. 8, the lock core 12 can pass through the fixing through hole 202, and then the apron body 20 and the framework 10 can be fixed by the matched nuts.

On the basis of the above embodiment, referring to fig. 1, the framework 10 is provided with a positioning block 13 facing the apron board body 20; the apron body 20 is provided with a positioning groove 203 at a position corresponding to the positioning block 13. Through setting up locating piece and constant head tank, can be so that realize accurate location between skirtboard body 20 and the skeleton 10, make things convenient for bolt lock 11 fixed skirtboard body 20.

On the basis of the above embodiment, referring to fig. 1 and 2, the adaptive skirt further includes: a telescopic stay 50; one end of the telescopic stay bar 50 is rotatably connected with the framework 10, and the other end of the telescopic stay bar 50 is rotatably connected with the inner side of the apron board body 20. When the apron body 20 needs to be opened, the telescopic stay bar 50 can be extended at the moment; conversely, when it is desired to close the panel body, the telescopic stay 50 may be shortened.

On the basis of the above embodiment, the bottom of the apron body 20 is provided with the cushion rubber 24 made of a sound absorbing material. The magnet is arranged below the suspension bracket of a common magnetic suspension train, the bottom of the apron board body 20 is arranged near the magnet, and the noise of the train can be reduced by arranging the buffer rubber 24.

On the basis of the above embodiment, referring to fig. 7 to 9, the apron body 20 is provided with the elastic member 25 at the side connected to the other apron bodies. In this embodiment, the outer part of the car body of one car is covered with a plurality of the car body steering adaptive skirtings, and an elastic part 25 is arranged between the adjacent adaptive skirtings to connect the adaptive skirtings into a whole and ensure that no gap exists between the skirtings when the car body is steering, so that the running resistance and the aerodynamic noise can be reduced when the car body is steering. In particular, the elastic member 25 may be a flexible rubber material.

According to the self-adaptive skirt board for vehicle body steering, provided by the embodiment of the invention, one side of the skirt board body can rotate around the framework, so that a worker can conveniently open the skirt board body and maintain or inspect a vehicle body; in addition, the hinging characteristic of the spherical hinge guide rod and the elastic deformation of the buffer layer are utilized, the self-adaption vehicle body can be subjected to dislocation when the vehicle body turns, the relative position or the relative angle between the apron board and the vehicle body is passively adjusted, and the self-adaption of the vehicle body during turning is realized. The cladding is in order to guarantee that the surface is smooth-going in the maglev train operation process outside the suspension frame, reduces running resistance and aerodynamic noise. Through elastic node and rubber construction two-stage buffer structure, can relatively the dislocation between the adjacent skirtboard when realizing the suspension frame and passing through the curve, make things convenient for the vehicle to pass through the curve. A two-stage buffering structure is realized through the spherical hinge guide rod and the elastic component, and then the suspension frame moves relatively between the adjacent apron boards when passing through a curve.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A vehicle body steering adaptive skirt, comprising: the apron board comprises a framework, an apron board body and a plurality of spherical hinge guide rods; the spherical hinge guide rod comprises at least two spherical hinge pieces, and a buffer layer is arranged between a spherical shell of each spherical hinge piece and the mandrel;

2. The body steering adaptive skirt of claim 1, wherein some or all of the ball-and-socket links are three-point links comprising at least three ball-and-socket members.

3. The vehicle body steering adaptive skirt according to claim 2, further comprising: a connecting member;

4. The vehicle body steering adaptive skirt of claim 1, wherein the skirt body comprises: an upper skirt plate and a lower skirt plate;

5. The vehicle body steering adaptive skirt board of claim 4, wherein the framework is an H-shaped framework provided with a cross bar in the middle;

6. The adaptive vehicle steering skirt of claim 1, wherein the frame comprises latch locks disposed on both sides, and the skirt body has a seat formed on an inner surface thereof, the seat having a latch hole for receiving the latch lock.

7. The body steering adaptive skirt of claim 6, wherein the latch lock comprises: the locking device comprises a locking screw and an L-shaped fixing frame, wherein the L-shaped fixing frame is provided with a locking screw limiting hole;

8. The vehicle body steering adaptive skirt according to claim 1, wherein said skeleton comprises lock cylinders provided at both sides;

9. The vehicle body steering adaptive skirt according to claim 1, wherein the skeleton is provided with a positioning block facing the skirt body;

10. The vehicle body steering adaptive skirt according to claim 1, further comprising: a telescopic stay bar;

11. The vehicle body steering adaptive skirt according to claim 1, wherein a bottom of the skirt body is provided with a cushion rubber made of a sound absorbing material.

12. The adaptive panel according to any one of claims 1 to 11, wherein the panel body is provided with an elastic member at a side connected to the other panel body.