CN211685082U - EMUs carriage limit top is constituteed - Google Patents

EMUs carriage limit top is constituteed Download PDF

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Publication number
CN211685082U
CN211685082U CN201922402036.3U CN201922402036U CN211685082U CN 211685082 U CN211685082 U CN 211685082U CN 201922402036 U CN201922402036 U CN 201922402036U CN 211685082 U CN211685082 U CN 211685082U
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CN
China
Prior art keywords
screw hole
structure part
cover plate
train unit
structure portion
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Active
Application number
CN201922402036.3U
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Chinese (zh)
Inventor
刘刚
魏晓东
庄严
曹华
廖文军
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Sichuan D&f Electrical Technology Co ltd
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Sichuan D&f Electrical Technology Co ltd
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Priority to CN201922402036.3U priority Critical patent/CN211685082U/en
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Abstract

The utility model discloses a EMUs carriage limit top is constituteed, including the apron, the apron includes first structural part, second structural part and third structural part, the second structural part is connected with first structural part and third structural part respectively; the first structure part and the third structure part are flat plates, and the second structure part is an arc-shaped arch plate; the first structure part is provided with a mounting module for bearing the gravity of the cover plate, and the third structure part is provided with a positioning module for fixing the cover plate. Through redesign limit top's structure, make the installation of limit top constitution fixed more firm, can use for a long time and do not take place to stick up the limit.

Description

EMUs carriage limit top is constituteed
Technical Field
The utility model relates to a EMUs interior trim structure, concretely relates to EMUs carriage limit top is constituteed.
Background
Along with the rapid construction of high-speed rail motor cars, motor train unit components are well known as one of common transportation tools for people to go out. With the improvement of riding frequency and the more frequent contact experience, the public requirements on the interior decoration of the motor train unit are higher and higher.
The motor train unit vehicle interior trim generally adopts a block-shaped plate splicing hasp, and a sealing rubber strip is arranged at the joint, so that the interior of a carriage is covered and decorated. The roof is arranged in a transition area between the top and the side of the carriage and is used for connecting the middle roof and the wallboard to form complete interior decoration covering for the interior of the carriage.
The problem lies in, need leave the clearance that is used for laying pipelines such as ventilation pipe, cable between limit top and the carriage, therefore the unable laminating carriage inner wall setting of limit top can only be connected with predetermined bearing structure through limit top upper and lower side, realizes the installation of limit top fixedly. Because the top of the carriage and the side edges form a certain angle, the side edges need to be provided with bending structures. The load position is too concentrated, and the structure of just buckling is unfavorable for the homodisperse of stress for the limit top takes place easily after long-term the use and sticks up the limit deformation, produces great gap or constantly shakes and sends out the noise, has influenced the comfort level when the passenger takes motor train unit train.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides a EMUs carriage limit top is constituteed, through redesign limit top's structure, makes the installation of limit top constitution more firm, can use for a long time and not take place to warp the limit.
In order to solve the technical problem, the technical scheme provided by the utility model is that the motor train unit carriage edge top assembly comprises a cover plate, wherein the cover plate comprises a first structure part, a second structure part and a third structure part, and the second structure part is respectively connected with the first structure part and the third structure part; the first structure part and the third structure part are flat plates, and the second structure part is an arc-shaped arch plate; the first structure part is provided with a mounting module for bearing the gravity of the cover plate, and the third structure part is provided with a positioning module for fixing the cover plate.
Preferably, the mounting module comprises a vertical plate and a bearing plate, two side edges of the vertical plate are respectively and vertically connected with the first structure part and the bearing plate, and the extension directions of the bearing plate and the first structure part are parallel.
Preferably, a plurality of waist-shaped holes are formed in the bearing plate, and long axes of the waist-shaped holes are collinear; the length-width ratio of the waist-shaped holes is 4:1, and the ratio of the distance between every two adjacent waist-shaped holes to the length of each waist-shaped hole is 11.5-13.5: 1.
Preferably, the positioning module comprises a clamping sheet fixedly connected with the side edge of the third structure part.
Preferably, one side edge of the engaging piece is flush with one side edge of the third structure portion, and the engaging piece has a width smaller than that of the third structure portion.
Preferably, the third structure part is provided with a first screw hole, a second screw hole, a third screw hole and a fourth screw hole; the distance from the first screw hole to the side edge of the clamping sheet far away from the third structure part is a1The distance from the first screw hole to the second screw hole is a2The distance from the second screw hole to the third screw hole is a3The distance from the third screw hole to the fourth screw hole is a4(ii) a Then there is a1< a2<a3<a4
Preferably, the first structure portion and the second structure portion are both provided with support blocks, and the support blocks are arranged on the surface where the arc-shaped convex side of the second structure portion is located.
Preferably, the supporting block and the positioning module are arranged on the same side edge of the cover plate.
Compared with the prior art, the application has the beneficial effects that:
the cover plate forms a shape of 'flat plate-arch plate-flat plate' through the three structural parts, and the upper side edge and the lower side edge of the cover plate can be fixedly installed with the carriage in a flat structure, so that the problem that the structures cannot be stably connected due to the arc generated by corner transition is avoided. The positioning module enables the cover plate to be accurately installed at a preset position; the mounting module is connected with a preset bearing structure and bears partial stress action, so that the cover plate is not easy to deform due to stress, and the structure can be kept stable for a long time.
The vertical plate and the bearing plate which are arranged on the first structure part form a stage, and the bearing plate and the cover plate are the same in extension direction but different in height, so that the cover plate can be fixedly arranged under the condition that the cover plate is flush with the surface of the bearing structure, and the interior trim of the carriage is more integrated.
The length and the width of the waist-shaped holes and the distance between the waist-shaped holes are in a certain proportional relation, the strength of the cover plate is prevented from being reduced due to the fact that the holes are too dense, and meanwhile, the cover plate cannot be sufficiently fastened and installed on a preset supporting structure due to the fact that the intervals of the waist-shaped holes are too large.
One side of clamping and stopping the piece is flush with the third structure part, and when the clamping and stopping piece is used for butt joint positioning, the structure of the clamping and stopping piece is integrated with the third structure part, so that the positioning is more convenient and rapid.
The closer to the clamping and stopping sheet, the smaller the screw hole space on the third structure part, so that the third structure part connected with the clamping and stopping sheet can be more stably installed and fixed. Keep away from the screw interval grow gradually that blocks card piece one side, reduce the quantity of punching when guaranteeing the installation steadiness, reduce the influence to the holistic structural strength of apron.
The supporting block is arranged on the cover plate, so that after the cover plate is installed in the carriage, the edge of the cover plate can be more accurately fixed, the adjacent edge tops can be better butted and fixed, and the integrity of the interior trim of the carriage is improved.
Drawings
FIG. 1 is a schematic view of a usage status of the motor train unit carriage roof assembly of the present invention;
FIG. 2 is a schematic front view of the structure of the carriage side roof assembly of the motor train unit of the present invention;
FIG. 3 is a schematic top view of the structure of the carriage side roof assembly of the motor train unit of the present invention;
fig. 4 is the utility model discloses the structure schematic side view that EMUs carriage limit top is constituteed.
Reference numerals: the wall plate assembly 11, the side roof assembly 12, the middle roof assembly 13, the cover plate 2, the first structure part 21, the second structure part 22, the third structure part 23, the hanging module 3, the vertical plate 31, the bearing plate 32, the waist-shaped hole 4, the clamping and stopping piece 5, the first screw hole 61, the second screw hole 62, the third screw hole 63, the fourth screw hole 64 and the supporting block 7.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the interior trim of the carriage of the motor train unit is mainly formed by splicing a wallboard assembly 11, a side roof assembly 12 and a middle roof assembly 13, the side roof assembly 12 provided by the application is arranged at a corner of the top of the carriage of the motor train unit, and the upper side edge and the lower side edge of the side roof assembly are respectively in butt joint with the wallboard assembly 11 and the middle roof assembly 13 and are fixedly installed through a preset bearing structure in the carriage.
Example one
Referring to fig. 2-4, the embodiment provides a motor train unit compartment roof assembly, including a cover plate 1, where the cover plate 1 includes a first structure portion 21, a second structure portion 22 and a third structure portion 23, and the second structure portion 22 is connected to the first structure portion 21 and the third structure portion 23 respectively; the first structure portion 21 and the third structure portion 23 are flat plates, and the second structure portion 22 is an arc-shaped arch plate. The first structure part 21 is provided with a mounting module 3 for bearing the gravity of the cover plate 1, the mounting module 3 comprises a vertical plate 31 and a bearing plate 32, two side edges of the vertical plate 31 are respectively vertically connected with the first structure part 21 and the bearing plate 32, and the extending directions of the bearing plate 32 and the first structure part 21 are parallel; the bearing plate 32 is provided with a plurality of waist-shaped holes 4, and the long axes of the waist-shaped holes 4 are collinear; the aspect ratio of the waist-shaped holes 4 is 4:1, and the ratio of the distance between the adjacent waist-shaped holes 4 to the length of the waist-shaped holes 4 is 11.5-13.5: 1.
The third structure part 23 has a positioning module for fixing the cover plate 1. The positioning module comprises a locking piece 5 fixedly connected with the side edge of the third structure part 23. One strip of the locking piece 5The side edge is flush with one side edge of the third structure part 23, and the width of the stop piece 5 is smaller than that of the third structure part 23. The third structure part 13 is provided with a first screw hole 61, a second screw hole 62, a third screw hole 63 and a fourth screw hole 64; the distance from the first screw hole 61 to the side of the locking piece 5 away from the third structure part 23 is a1The distance from the first screw hole 61 to the second screw hole 62 is a2The distance from the second screw hole 62 to the third screw hole 63 is a3The distance from the third screw hole 63 to the fourth screw hole 64 is a4(ii) a Then there is a1<a2<a3<a4
The first structure portion 21 and the second structure portion 22 are both provided with a supporting block 7, and the supporting block 7 is arranged on the surface of the arc-shaped outer convex side of the second structure portion 22. The supporting block 7 and the positioning module are arranged on the same side edge of the cover plate 1.
The EMUs carriage roof that this embodiment provided constitutes, through being divided into flat plate part and arch bar part with apron 2, also can fix the installation better when guaranteeing the apron smooth transition, with the better butt joint that matches of other structures of carriage interior trim. Set up and stop slice 5 and make the butt joint of apron 1 set up more accurately, the carry module that riser 31 and loading board 32 constitute forms the support along apron 1 structure direction to apron 1, makes apron 1 can use for a long time and can not take place to stick up the limit because of stress action. The interval of waist shape hole and screw is according to the overall structure design adjustment of apron 1, reduces the trompil on the apron 1 under the circumstances of guaranteeing the mounting point quantity, makes the fixed more firm that the limit top is constituteed.
Example two
Referring to fig. 2-4, the embodiment provides a motor train unit compartment roof assembly, including a cover plate 1 with a length of 2321.5mm, where the cover plate 1 includes a first structure portion 21, a second structure portion 22 and a third structure portion 23, and the second structure portion 22 is connected to the first structure portion 21 and the third structure portion 23 respectively; the first structure portion 21 and the third structure portion 23 are flat plates, and the second structure portion 22 is an arc-shaped arch plate. The first structure part 21 is provided with a mounting module 3 for bearing the gravity of the cover plate 1, the mounting module 3 comprises a vertical plate 31 and a bearing plate 32, two side edges of the vertical plate 31 are respectively vertically connected with the first structure part 21 and the bearing plate 32, and the extending directions of the bearing plate 32 and the first structure part 21 are parallel; the bearing plate 32 is provided with 5 waist-shaped holes 4, and the long axes of the waist-shaped holes 4 are collinear; the length of the waist-shaped holes 4 is 40mm, the width is 10mm, and the distance between the middle points of the adjacent waist-shaped holes 4 is 580mm, 510mm, 530mm and 570mm in sequence.
The third structure part 23 has a positioning module for fixing the cover plate 1. The positioning module comprises a locking piece 5 fixedly connected with the side edge of the third structure part 23. One side edge of the locking piece 5 is flush with one side edge of the third structure part 23, the width of the locking piece 5 is 230mm, and the width of the third structure part 23 is 340 mm. The third structure part 13 is provided with a first screw hole 61, a second screw hole 62, a third screw hole 63 and a fourth screw hole 64; the first screw hole 61 is spaced from the side a of the locking piece 5 away from the third structure part 231178mm, distance a from the first screw hole 61 to the second screw hole 622258mm, the distance a from the second screw hole 62 to the third screw hole 633300mm, the distance a from the third screw hole 63 to the fourth screw hole 644Is 302 mm.
The first structure portion 21 and the second structure portion 22 are both provided with a supporting block 7, and the supporting block 7 is arranged on the surface of the arc-shaped outer convex side of the second structure portion 22. The supporting block 7 and the positioning module are arranged on the same side edge of the cover plate 1.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (8)

1. The motor train unit compartment roof assembly comprises a cover plate and is characterized in that the cover plate comprises a first structure part, a second structure part and a third structure part, wherein the second structure part is respectively connected with the first structure part and the third structure part; the first structure part and the third structure part are flat plates, and the second structure part is an arc-shaped arch plate; the first structure part is provided with a mounting module for bearing the gravity of the cover plate, and the third structure part is provided with a positioning module for fixing the cover plate.
2. The motor train unit compartment roof assembly of claim 1, wherein the mounting module comprises a vertical plate and a bearing plate, two side edges of the vertical plate are respectively and vertically connected with the first structure portion and the bearing plate, and the extension directions of the bearing plate and the first structure portion are parallel.
3. The motor train unit compartment roof assembly of claim 2, wherein the bearing plate is provided with a plurality of waist-shaped holes, and long axes of the waist-shaped holes are collinear; the length-width ratio of the waist-shaped holes is 4:1, and the ratio of the distance between every two adjacent waist-shaped holes to the length of each waist-shaped hole is 11.5-13.5: 1.
4. The motor train unit compartment ceiling assembly of claim 1, wherein the positioning module comprises a locking piece fixedly connected with the side edge of the third structure portion.
5. The motor train unit box side roof assembly of claim 4, wherein one side edge of the locking piece is flush with one side edge of the third structure portion, and the width of the locking piece is smaller than that of the third structure portion.
6. The motor train unit compartment roof assembly of claim 4, wherein the third structure portion is provided with a first screw hole, a second screw hole, a third screw hole and a fourth screw hole; the distance from the first screw hole to the side edge of the clamping sheet far away from the third structure part is a1The distance from the first screw hole to the second screw hole is a2The distance from the second screw hole to the third screw hole is a3The distance from the third screw hole to the fourth screw hole is a4(ii) a Then there is a1<a2<a3<a4
7. The motor train unit compartment roof assembly of claim 1, wherein the first structure portion and the second structure portion are provided with support blocks, and the support blocks are arranged on the surface where the arc-shaped convex side of the second structure portion is located.
8. The motor train unit box roof assembly of claim 7, wherein the support block and the positioning module are disposed on the same side of the cover plate.
CN201922402036.3U 2019-12-27 2019-12-27 EMUs carriage limit top is constituteed Active CN211685082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922402036.3U CN211685082U (en) 2019-12-27 2019-12-27 EMUs carriage limit top is constituteed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922402036.3U CN211685082U (en) 2019-12-27 2019-12-27 EMUs carriage limit top is constituteed

Publications (1)

Publication Number Publication Date
CN211685082U true CN211685082U (en) 2020-10-16

Family

ID=72795583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922402036.3U Active CN211685082U (en) 2019-12-27 2019-12-27 EMUs carriage limit top is constituteed

Country Status (1)

Country Link
CN (1) CN211685082U (en)

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