CN114802327A - Loose-end mounting structure and rail vehicle - Google Patents
Loose-end mounting structure and rail vehicle Download PDFInfo
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- CN114802327A CN114802327A CN202210536090.0A CN202210536090A CN114802327A CN 114802327 A CN114802327 A CN 114802327A CN 202210536090 A CN202210536090 A CN 202210536090A CN 114802327 A CN114802327 A CN 114802327A
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- flap
- plate
- movable cover
- mounting
- mounting seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses a movable cover mounting structure and a railway vehicle, belonging to the technical field of movable cover mounting of railway vehicles, and comprising a connecting structure and a movable cover, wherein the connecting structure is fixed on a vehicle body and comprises a movable cover mounting seat and a fastener; the bushing is sleeved between the first connecting hole and the fastener, the adjusting screw sleeve is sleeved on the inner side of the bushing, the adjusting screw sleeve is in contact with the mounting surface of the movable cover mounting seat, and the length of the adjusting screw sleeve between the movable cover and the movable cover mounting seat is adjustable. The length of the adjusting screw sleeve between the movable cover and the movable cover mounting seat is adjusted through the arrangement of the connecting structure adjusting screw sleeve, so that the adjusting screw sleeve can adapt to the conditions of different gaps between the movable cover and the mounting seat, and an adjusting gasket is not required to be installed.
Description
Technical Field
The invention belongs to the technical field of movable cover installation of rail vehicles, and particularly relates to a movable cover installation structure and a rail vehicle.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, the movable cover and the vehicle body of the railway vehicle are mostly in a mounting structure connected by a direct bolt. Because the movable cover structure is consistent with the outline appearance of the vehicle body, the upper surfaces of the installation seats have height difference along the height direction due to the deformation of the vehicle body, the movable cover is of an integral structure, and a gap is formed between the fixed point of the movable cover and the installation seats.
In order to eliminate the clearance between flap fixed point and the mount pad, the current way is to increase the adjusting shim between flap and mount pad, the inventor finds that, because space restriction, need flap side breach can guarantee to put into the adjusting shim, influence the structural appearance, and also inconvenient operation, simultaneously because the thickness of gasket is certain, but the clearance is not even unanimous between flap and the mount pad, consequently adjust the clearance through increasing the gasket and need operate many times just can accomplish whole process, this installation requirement under to narrow and small space is extremely high, the installation effectiveness is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a movable cover mounting structure and a railway vehicle.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a flap mounting structure, which comprises a connecting structure and a flap, wherein the connecting structure is fixed on a vehicle body and comprises a flap mounting seat and a fastener, the flap mounting seat is arranged at the bottom of the flap, the flap is provided with a first connecting hole, the mounting surface of the flap mounting seat is provided with a second connecting hole, and the fastener penetrates through the first connecting hole and the second connecting hole; the bushing is sleeved between the first connecting hole and the fastener, the adjusting screw sleeve is sleeved on the inner side of the bushing, the adjusting screw sleeve is in contact with the mounting surface of the movable cover mounting seat, and the length of the adjusting screw sleeve between the movable cover and the movable cover mounting seat is adjustable.
As a further technical scheme, the adjusting thread sleeve has elasticity in the axial direction, and a hollow space is formed in the middle of the adjusting thread sleeve and used for a fastener to penetrate through.
As a further technical scheme, the T-shaped connecting piece is sleeved on the outer side of the fastening piece, and the top surface of the T-shaped connecting piece is propped against the bottom of the mounting surface of the movable cover mounting seat.
As a further technical scheme, the movable cover mounting seat is of a C-shaped structure, and a C-shaped opening of the movable cover mounting seat faces the top of the vehicle body; the fastener is also sleeved with a gasket.
As a further technical scheme, the main structure of the movable cover is a 3D hollow fabric structure, and a boss reinforcing rib is arranged in the middle of the movable cover.
As a further technical scheme, the flap comprises a front flap and a rear flap which are adjacently arranged, and the front flap and the rear flap are respectively provided with a plurality of connecting points and are connected with a connecting structure.
As a further technical scheme, a plurality of connecting points are arranged on both sides of the front flap, and the connecting points on both sides of the front flap are symmetrically arranged; a plurality of connecting points are arranged on both sides of the rear flap, and the connecting points on both sides of the rear flap are symmetrically arranged; the distance between the two side connecting points of the front flap is larger than the distance between the two side connecting points of the rear flap.
As a further technical scheme, the front movable cover and the rear movable cover respectively comprise a bevel plate structure, a transition plate structure and a bevel plate structure which are sequentially connected into a whole, the transition plate structure covers the middle area of the vehicle body, and the bevel plate structures are positioned on two sides of the transition plate structure.
As a further technical scheme, the angle folding plate structure comprises a first plate, a second plate and a third plate which are sequentially connected, the first plate and the transition plate structure are connected into a whole, the first plate is bent towards the inner side of the front flap from the end part of the transition plate structure, and the first plate and the transition plate structure form an obtuse angle.
As a further technical scheme, the second plate is horizontally arranged, and an included angle between the first plate and the second plate is an acute angle; the third plate is arc-shaped, the first plate is obliquely and upwards arranged at the joint of the first plate and the second plate, and the third plate is obliquely and downwards arranged at the joint of the third plate and the second plate.
In a second aspect, the invention also provides a rail vehicle comprising a vehicle body and a flap mounting structure as described above.
As a further technical scheme, the movable cover mounting seat is fixedly connected with the vehicle body.
The beneficial effects of the invention are as follows:
according to the movable cover mounting structure, the movable cover is fixed on the vehicle body through the connecting structure, the connecting structure connects the movable cover and the movable cover mounting seat through the fastening piece, the lining and the adjusting screw sleeve are arranged between the fastening piece and the first connecting hole of the movable cover, the adjusting screw sleeve is in contact with the mounting surface of the movable cover mounting seat, and therefore the mounting gap between the movable cover and the mounting seat caused by factors such as welding deformation of vehicle body manufacturing is compensated.
According to the movable cover mounting structure, the length of the adjusting screw sleeve between the movable cover and the movable cover mounting seat can be adjusted by screwing the adjusting screw sleeve, the condition that the sizes of the upper surface of the movable cover mounting seat along the height direction are inconsistent can be adapted, the gap between the movable cover and the mounting seat is eliminated, a gasket does not need to be adjusted, a gap does not need to be formed at the side mounting point, the mounting and the operation are convenient, and the attractiveness of the whole automobile can be improved.
According to the movable cover mounting structure, the movable cover is arranged above the roof of the region between the head cover of the cab of the railway vehicle and the air conditioner of the passenger room, the movable cover consists of the front movable cover and the rear movable cover, and the movable cover is connected with a plurality of fixed points of a vehicle body through the connecting structure along the vehicle length direction, so that the structure with or without the cab air conditioner can be considered, and the adaptability to the form of the railway vehicle is greatly improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic illustration of a flap and body attachment according to one or more embodiments of the present invention;
FIG. 2 is a schematic top view of a flap according to one or more embodiments of the present invention;
FIG. 3 is a schematic illustration of a flap mounting arrangement according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1-front flap, 2-back flap, 3-car body, 4-flap mount pad;
11-a fastener, 12-a T-shaped connecting piece, 13-a bushing, 14-an adjusting screw sleeve, 15-a gasket, 16-a bevel plate structure, 17-a transition plate structure and 18-a connecting structure;
161-first plate, 162 second plate, 163 third plate.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1:
in a typical embodiment of the present invention, as shown in fig. 1 to 3, a flap mounting structure is proposed, which comprises a front flap 1 and a rear flap 2, the front flap 1 and the rear flap 2 being disposed adjacent to each other in the front-rear direction, and the entire flap structure being disposed in the region between a hood of a cab and an air conditioner of the cab.
As shown in fig. 2, the front flap 1 is connected to a plurality of fixing points of the vehicle body through a connecting structure 18 along the vehicle length direction of the rail vehicle, and the rear flap 2 is also connected to a plurality of fixing points of the vehicle body through a connecting structure 18 along the vehicle length direction of the rail vehicle.
The positions of all the connecting points of the front flap 1 are non-uniformly arranged, namely, the distances among the connecting points of the front flap 1 are not equal; the positions of the connecting points of the rear flap 2 are also non-uniformly arranged, namely, the distances among the connecting points of the rear flap 2 are not equal; it will be appreciated that the particular attachment points may be set according to the strength requirements of the flap installation.
A plurality of connecting points are arranged on both sides of the front flap 1, and the connecting points on both sides of the front flap are symmetrically arranged; a plurality of connecting points are arranged on two sides of the rear flap 2, and the connecting points on two sides of the rear flap are symmetrically arranged.
It should be noted that the positions of the attachment points of front flap 1 and rear flap 2 are different: the distance D between the connection points at the two sides of the front flap 1 is larger than the distance between the connection points at the two sides of the rear flap 2; that is, the connection points of both sides of the front flap 1 are disposed further toward the outside thereof, and the connection points of both sides of the rear flap 2 are disposed further toward the inside thereof. Therefore, the mounting positions of the front flap and the rear flap can be more matched with a head cover and a passenger room air conditioner of a railway vehicle.
The front flap 1 and the rear flap 2 are of an integral structure, the front end of the profile of the cross section is consistent with the profile of a cab hood, the rear end of the profile of the cross section is consistent with the profile of a passenger room air conditioner, and the middle area of the cross section is in smooth transition. The size and the outline of the front movable cover are consistent with the external dimension of the air conditioner of the cab; when the rail vehicle is provided with the cab air conditioner, the front movable cover is removed, and the structure and the installation mode of the rear movable cover are kept unchanged.
The movable cover is designed to have a streamline profile along the side surface in the vehicle length direction, and the surface smoothness design reduces airflow impact and pneumatic resistance.
Specifically, the front flap and the rear flap of the flap mounting structure are both fixedly connected with the car body 3 of the railway vehicle through a connecting structure, and the structural forms and the connecting structures of the front flap and the rear flap are the same, and the structural form and the connecting structure of the front flap are explained below.
The two sides of the front movable cover 1 are arranged in a folded angle mode corresponding to the fixed points, the front movable cover comprises a folded angle plate structure 16, a transition plate structure 17 and a folded angle plate structure 16 which are sequentially connected into a whole, the transition plate structure 17 covers the middle area of the vehicle body, and the folded angle plate structures 16 are positioned on the two sides of the transition plate structure 17 and correspond to the two side areas of the vehicle body.
The gusset plate structure 16 includes a first plate 161, a second plate 162 and a third plate 163 connected in sequence, the first plate 161 and the transition plate structure 17 are connected into a whole, the first plate 161 is bent from the end of the transition plate structure toward the inner side of the front flap, and the first plate 161 and the transition plate structure 17 form an obtuse angle.
In the present embodiment, the definition about the medial-lateral side is: the side of the front flap close to the vehicle body is the inner side, and the side far away from the vehicle body is the outer side.
The second plate 162 is horizontally disposed, and an included angle is formed between the first plate 161 and the second plate 162, and the included angle is an acute angle, so that an installation space can be provided for the connection structure 18, and the installation operation is more convenient.
The third plate 163 is arc-shaped, and is located at the end of the front flap, and has a contour identical to the contour of the outside of the vehicle body, and forms a uniform appearance with the outside of the vehicle body.
In this embodiment, the first plate is disposed obliquely, specifically, the first plate is disposed obliquely upward from the connection with the second plate, and the third plate is disposed obliquely downward from the connection with the second plate, so that the front flap forms an installation region of the inward recess at the connection structure.
In a preferred embodiment, the corner plate structure and the transition plate structure of the front flap are integrated.
The rear flap and the front flap have the same configuration, but have different positions of the connection points, and will be described below.
The rear movable cover comprises a folded angle plate structure, a transition plate structure and a folded angle plate structure which are sequentially connected into a whole, the transition plate structure covers the middle area of the vehicle body, and the folded angle plate structure is positioned on two sides of the transition plate structure and corresponds to the areas on two sides of the vehicle body.
The angle folding plate structure comprises a first plate, a second plate and a third plate which are sequentially connected, the first plate and the transition plate structure are connected into a whole, the first plate is arranged by bending the end part of the transition plate structure towards the inner side of the rear movable cover, and the first plate and the transition plate structure form an obtuse angle.
The second board level sets up, has the contained angle between first board and the second board, and its contained angle is the acute angle, can provide installation space for connection structure from this, and installation operation is more convenient.
The third plate is arc-shaped, is positioned at the end part of the rear movable cover, is consistent with the outline of the outer side of the vehicle body and forms consistent impression with the outer side of the vehicle body.
In this embodiment, the first plate is disposed obliquely, specifically, the first plate is disposed obliquely upward from the connection with the second plate, and the third plate is disposed obliquely downward from the connection with the second plate, so that the rear flap forms an installation region of the inward recess at the connection structure.
In a preferred embodiment, the corner plate structure and the transition plate structure of the rear flap are integrated.
The connecting structure 18 specifically comprises a flap mounting seat 4, a fastener 11, a T-shaped connecting piece 12, a bushing 13, an adjusting thread sleeve 14 and a gasket 15, wherein the flap (comprising a front flap and a rear flap) is fixedly connected with the vehicle body through the connecting structure, and the mounting surface of the flap is consistent with the outer contour of the vehicle body. The connecting structure is fixed at the second plate of the flap during the specific installation.
The connecting hole is seted up to the flap, sets up flap mount pad 4 between flap bottom and the 3 tops of automobile body, and flap mount pad 4 is C font structure, and its C font opening sets up towards the automobile body top, and 4 installation faces of flap mount pad contact with the adjustment thread bush, and 4 installation faces of flap mount pad also have the connecting hole and supply fastener 11 to pass.
In this embodiment, the flap mounting base 4 is welded to the top of the vehicle body.
The fastener 11 penetrates through the connecting hole of the movable cover, the fastener 11 penetrates through the connecting hole of the mounting surface of the movable cover mounting seat 4, the T-shaped connecting piece 12 is sleeved on the outer side of the fastener 11, and the top surface of the T-shaped connecting piece is propped against the bottom of the mounting surface of the movable cover mounting seat, so that the connection tightness of the fastener and the movable cover can be enhanced.
A lining 13 is sleeved between the movable cover connecting hole and the fastener 11, an adjusting screw sleeve 14 is sleeved on the inner side of the lining 13, the lining 13 is arranged close to the movable cover connecting hole, the adjusting screw sleeve 14 has certain elasticity in the axial direction, a hollow space is arranged in the middle of the adjusting screw sleeve for the fastener to pass through, when fastening is carried out, the adjusting screw sleeve is firstly contacted with the mounting surface of the movable cover mounting seat, then the fastener is screwed to fix the movable cover and the movable cover mounting seat, and in the process, the adjusting screw sleeve can eliminate the gap between the movable cover and the movable cover mounting seat; because the adjusting thread bush has certain elasticity in the axial direction, and the length of the adjusting thread bush between the movable cover and the movable cover mounting seat can be changed by screwing the adjusting thread bush in the installation process, the condition that the size of the upper surface of the movable cover mounting seat is inconsistent along the height direction can be adapted in the fastening process of the fastener.
In this embodiment, the fastener adopts the bolt, and T type connecting piece adopts T type nut, and the bush also sets up to T shape.
In an alternative embodiment, the fastener is also sleeved with a washer 15.
In the preferred embodiment, the major structure of flap is 3D hollow fabric structure, and the boss strengthening rib that increases rigidity is only set up in the middle of the flap, thickens flap installation face position only in the fixed point department, and all the other unfixed departments are even thickness, can realize the lightweight.
The movable cover is connected with a plurality of fixed points of the vehicle body through the connecting structure along the vehicle length direction, the adjusting screw sleeve replaces an adjusting gasket to eliminate the installation gap, and the side mounting point is not required to be notched, so that the attractiveness of the whole vehicle is greatly improved.
The mounting process of the movable cover mounting structure is as follows:
pre-assembling the movable cover mounting seat 4 and the T-shaped connecting piece 12 in advance, and welding the pre-assembled movable cover mounting seat on the body of the railway vehicle;
pre-embedding a lining and an adjusting thread sleeve in advance on the movable cover body;
the movable cover is installed, due to factors such as welding deformation during vehicle body manufacturing, the size of the upper surface of the movable cover installation seat is inconsistent along the height direction, a gap is formed between the movable cover and the installation surface of the movable cover installation seat, firstly, the adjusting screw sleeve is screwed out of the connecting hole of the movable cover to eliminate the installation gap, the movable cover is made to be in contact with the installation surface of the movable cover installation seat, then, the movable cover is fixed in the T-shaped connecting piece of the movable cover installation seat through the fastening piece 11, and fastening of a bolt under the condition that the bolt is not pulled is guaranteed. The whole process is simple and easy to install.
Example 2:
in the present embodiment, a rail vehicle is proposed, which comprises the flap mounting structure as described above.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A movable cover mounting structure is characterized by comprising a connecting structure and a movable cover, wherein the connecting structure and the movable cover are fixed on a vehicle body, the connecting structure comprises a movable cover mounting seat and a fastening piece, the movable cover mounting seat is arranged at the bottom of the movable cover, the movable cover is provided with a first connecting hole, the mounting surface of the movable cover mounting seat is provided with a second connecting hole, and the fastening piece penetrates through the first connecting hole and the second connecting hole; the bushing is sleeved between the first connecting hole and the fastener, the adjusting screw sleeve is sleeved on the inner side of the bushing, the adjusting screw sleeve is in contact with the mounting surface of the movable cover mounting seat, and the length of the adjusting screw sleeve between the movable cover and the movable cover mounting seat is adjustable.
2. The flap-mounting structure as claimed in claim 1, wherein the adjusting screw sleeve has elasticity in an axial direction thereof, and a hollow space is provided in a middle portion of the adjusting screw sleeve for a fastening member to pass through.
3. The flap mounting structure according to claim 1 or 2, wherein the fastener is sleeved with a T-shaped connecting member, and the top surface of the T-shaped connecting member abuts against the bottom of the mounting surface of the flap mounting seat.
4. The flap mounting structure according to claim 1, wherein the flap mounting seat is a C-shaped structure having a C-shaped opening disposed toward a top of the vehicle body; the fastener is also sleeved with a gasket.
5. The flap mounting structure according to claim 1, wherein the main body structure of the flap is a 3D hollow fabric structure, and a boss reinforcing rib is provided in the middle of the flap.
6. The flap mounting structure as recited in claim 1 wherein the flap comprises a front flap and a rear flap disposed adjacently, each of the front flap and the rear flap being provided with a plurality of attachment points and attachment structure connections.
7. The flap mounting structure as claimed in claim 6, wherein a plurality of connection points are provided at both sides of the front flap, and the connection points at both sides of the front flap are symmetrically provided; a plurality of connecting points are arranged on both sides of the rear flap, and the connecting points on both sides of the rear flap are symmetrically arranged; the distance between the two side connecting points of the front flap is larger than the distance between the two side connecting points of the rear flap.
8. The flap mounting structure as claimed in claim 6, wherein the front flap and the rear flap each comprise a flap plate structure, a transition plate structure, and a flap plate structure which are integrally connected in sequence, the transition plate structure covering a middle region of the vehicle body, the flap plate structures being located at both sides of the transition plate structure.
9. The flap-mounting structure as claimed in claim 8, wherein the gusset structure comprises a first plate, a second plate and a third plate which are connected in series, the first plate and the transition plate structure are integrally connected, the first plate is bent from an end of the transition plate structure toward an inner side of the flap, and the first plate and the transition plate structure form an obtuse angle.
10. The flap mounting structure as claimed in claim 9, wherein the second plate is horizontally disposed, and an included angle between the first plate and the second plate is an acute angle; the third plate is arc-shaped, the first plate is obliquely and upwards arranged at the joint of the first plate and the second plate, and the third plate is obliquely and downwards arranged at the joint of the third plate and the second plate.
11. A rail vehicle comprising a vehicle body and a flap mounting arrangement as claimed in any one of claims 1 to 10.
12. The railway vehicle as claimed in claim 11, wherein the flap mount is fixedly connected to the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210536090.0A CN114802327B (en) | 2022-05-17 | 2022-05-17 | Movable cover mounting structure and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210536090.0A CN114802327B (en) | 2022-05-17 | 2022-05-17 | Movable cover mounting structure and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114802327A true CN114802327A (en) | 2022-07-29 |
| CN114802327B CN114802327B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210536090.0A Active CN114802327B (en) | 2022-05-17 | 2022-05-17 | Movable cover mounting structure and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114802327B (en) |
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| CN206781756U (en) * | 2017-04-01 | 2017-12-22 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle top cover plate mounting structure |
| CN107676190A (en) * | 2017-10-31 | 2018-02-09 | 广西玉柴机器股份有限公司 | A kind of mounting structure of valve mechanism cover |
| CN111688736A (en) * | 2020-05-06 | 2020-09-22 | 中车青岛四方机车车辆股份有限公司 | Roof protector, rail vehicle automobile body and rail vehicle |
| CN211820335U (en) * | 2019-12-30 | 2020-10-30 | 珠海格力电器股份有限公司 | Fastening assembly and washing machine |
| CN213008119U (en) * | 2020-08-25 | 2021-04-20 | 长春长客-庞巴迪轨道车辆有限公司 | Rail vehicle integrated form air conditioner and automobile body leak protection ability of swimming connecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3007089B1 (en) * | 1999-03-16 | 2000-02-07 | 日本ピラー工業株式会社 | Mechanical seal |
| CN1360684A (en) * | 1999-07-09 | 2002-07-24 | Obe奥马赫特&鲍姆格特纳有限公司 | Screw connection of hinge parts |
| CN202243470U (en) * | 2011-09-29 | 2012-05-30 | 南车青岛四方机车车辆股份有限公司 | Installing structure of water tank detachable cover on roof of railway vehicle |
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| CN107676190A (en) * | 2017-10-31 | 2018-02-09 | 广西玉柴机器股份有限公司 | A kind of mounting structure of valve mechanism cover |
| CN211820335U (en) * | 2019-12-30 | 2020-10-30 | 珠海格力电器股份有限公司 | Fastening assembly and washing machine |
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| CN213008119U (en) * | 2020-08-25 | 2021-04-20 | 长春长客-庞巴迪轨道车辆有限公司 | Rail vehicle integrated form air conditioner and automobile body leak protection ability of swimming connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114802327B (en) | 2023-10-03 |
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