CN114750789A - Car body equipment compartment door opening structure - Google Patents
Car body equipment compartment door opening structure Download PDFInfo
- Publication number
- CN114750789A CN114750789A CN202210369100.6A CN202210369100A CN114750789A CN 114750789 A CN114750789 A CN 114750789A CN 202210369100 A CN202210369100 A CN 202210369100A CN 114750789 A CN114750789 A CN 114750789A
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- China
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- plate
- door opening
- bottom plate
- equipment compartment
- apron
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Support Devices For Sliding Doors (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention relates to the technical field of rail transit, in particular to a car body equipment compartment door opening structure, which comprises: the apron plate door opening mechanism comprises an outer baffle plate and an inner push plate, the outer baffle plate and the inner push plate are respectively positioned on the outer side and the inner side of the apron plate, and the outer baffle plate protrudes towards one side of the inner push plate to form a channel for the apron plate to move; the bottom plate door opening mechanism comprises a lifting assembly and an adjusting assembly, the lifting assembly is symmetrically arranged along the door opening direction of the bottom plate, and the adjusting assembly comprises an adjusting groove; the outer baffle plate and the inner push plate move relatively along the width direction of the equipment compartment, clamp the apron plate and move out of a closing position, then laterally move the apron plate to be opened, move the height of the adjusting groove downwards, and open the bottom plate along the length direction of the adjusting groove; each apron board and the bottom plate are provided with the independent frame modules for opening the door, so that the bottom plate and the apron board are respectively opened, the front-back sequence relation does not exist, the door opening sequence of the equipment compartment is simplified, the performance requirements on the apron boards and the bottom plate are reduced, and the door opening practicability of the equipment compartment is improved.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a car body equipment compartment door opening structure.
Background
The vehicle body equipment compartment is generally located in an equipment interlayer between a vehicle power mechanism and a compartment, and generally is provided with some vehicle-mounted equipment, such as: the electrical equipment with the functions of control and communication protects the vehicle-mounted equipment by the equipment cabin in the process of high-speed running of the vehicle, so that the vehicle-mounted equipment is prevented from being damaged.
Generally, an equipment compartment needs to be opened, equipment in the equipment compartment needs to be inspected and maintained periodically, so that the service life of the equipment is guaranteed, the door opening process is generally realized by opening an equipment compartment skirt board and a bottom board, in the related art, the opening of the skirt board and the bottom board has a sequential process, one of the skirt board and the bottom board needs to be opened to open the other, the door opening process is complicated, and the requirements on the performance of the skirt board and the bottom board are high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a car body equipment compartment structure of opening a door realizes that skirtboard and bottom plate independently open a door, improves the practicality that the equipment compartment opened a door.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a vehicle body equipment compartment door opening structure comprising:
the apron plate door opening mechanism is arranged at two ends of the apron plate in the height direction and comprises an outer baffle plate and an inner push plate, the outer baffle plate and the inner push plate are respectively positioned at the outer side and the inner side of the apron plate, and the outer baffle plate protrudes towards one side of the inner push plate to form a channel for the apron plate to move;
the bottom plate door opening mechanism is connected with the apron plate door opening mechanism through a stepped plate and comprises lifting components and adjusting components, the lifting components are symmetrically arranged along the door opening direction of the bottom plate, the adjusting components comprise adjusting grooves, the adjusting grooves are arranged on two sides of the width direction of the bottom plate, and the height positions of the adjusting grooves are changed along the vertical direction;
the outer baffle plate and the inner push plate move relatively along the width direction of the equipment compartment, clamp the apron plate and move out of a closed position, then laterally move the apron plate along the channel to be opened, move the height of the adjusting groove downwards, and then open the bottom plate along the length direction of the adjusting groove.
Furthermore, the two ends of the bulge of the outer baffle plate in the length direction extend towards the equipment compartment to form a long arm, and the long arm is of a hollow structure and is in sliding connection with one side, away from the adjusting groove, of the stepped plate; the middle part of the inner push plate extends to the inside of the equipment compartment and is in sliding connection with the adjusting groove.
Furthermore, the inner push plate and the outer baffle are arranged in parallel.
Further, the step plate along the direction that the bottom plate removed sets up, the step plate evenly is equipped with the echelonment reinforcing plate along length direction, the reinforcing plate will the step plate separates for a plurality of ladder pieces.
Furthermore, the adjusting groove sets up the department of bending below the notch cuttype board, every regulating block with all fix through adjusting screw between the adjusting groove, the length of adjusting screw is promptly the height that the adjusting groove changed.
Further, the adjusting assembly further comprises rollers fixed at positions on two sides of the bottom plate and limited in the adjusting grooves, and the rollers roll along the adjusting grooves, so that the bottom plate moves relatively along the length direction of the adjusting grooves.
Furthermore, every be equipped with the lock between ladder piece and the automobile body, the lock will bottom plate movable connects on the ladder board.
Furthermore, lifting unit includes manipulator and rings, rings are fixed the bottom plate is towards the inboard one side of automobile body, the manipulator passes through the L template to be fixed on the bottom plate roof beam, is located the rings top.
Furthermore, the manipulator includes the clamping jaw of two relative settings, the clamping jaw passes rings axis, the terminal surface butt is in the same place.
Furthermore, one side of the L-shaped plate, which faces the manipulator, is provided with a slide rail and a slide block, the slide rail is arranged along the vertical direction, the slide block is connected with the slide rail in a sliding manner, and the manipulator is fixed on the slide block.
The beneficial effects of the invention are as follows: the invention opens the door of the bottom plate and the apron plate of the equipment cabin respectively by arranging the apron plate door opening mechanism and the bottom plate door opening mechanism, so that the door opening between the bottom plate and the apron plate is not interfered with each other, the outer baffle plate and the inner push plate are arranged, the outer baffle plate protrudes towards one side of the inner push plate to form a channel for the apron plate to move, when the apron plate needs to be opened, the outer baffle plate and the inner push plate move relatively to clamp the apron plate and push the apron plate outwards simultaneously, the apron plate is laterally moved and opened along the channel, the adjusting groove moves downwards under the action of the lifting assembly by arranging the lifting assembly and the adjusting assembly, the bottom plate can move along the length direction of the adjusting groove, each apron plate and the bottom plate are provided with an independent door opening frame module, so that the door opening of the bottom plate and the door opening are respectively realized, the front-back sequence relation between the bottom plate and the door opening is avoided, the door opening sequence of the whole equipment cabin is simplified, and the performance requirements on the apron plate and the bottom plate are also reduced, the practicality that the equipment compartment opened the door has been improved.
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 described in 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 view of a cabin opening structure of a vehicle body equipment in an embodiment of the invention;
FIG. 2 is a schematic view of the door opening structure of the bottom plate in the embodiment of the present invention;
FIG. 3 is a schematic view of the door opening structure of the top of the skirt board in the embodiment of the present invention;
FIG. 4 is a schematic view of a door opening structure at the bottom of a skirt panel according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a connection between a skirt opening structure and a bottom plate opening structure in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a lift assembly according to an embodiment of the present invention;
FIG. 7 is a schematic view of the position of the adjustment slot before it moves down in the embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating the position of the adjustment slot after moving down in the embodiment of the present invention.
Reference numerals: 01. a skirt board; 02. a base plate; 10. an outer baffle; 10a, a protrusion; 10b, a channel; 10c, a long arm; 11. an inner push plate; 12. a step plate; 12a, a reinforcing plate; 12b, a step block; 20. a lifting assembly; 21. a manipulator; 21a, a clamping jaw; 22. a hoisting ring; 23. an L-shaped plate; 23a, a slide rail; 23b, a slider; 30. an adjustment assembly; 31. an adjustment groove; 32. adjusting the bolt; 33. a roller; 34. and (4) locking.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The vehicle body equipment compartment door opening structure shown in fig. 1 to 8 includes:
the apron board 01 door opening mechanism is arranged at two ends of the apron board 01 in the height direction and comprises an outer baffle plate 10 and an inner push plate 11, the outer baffle plate 10 and the inner push plate 11 are respectively positioned at the outer side and the inner side of the apron board 01, and the outer baffle plate 10 protrudes 10a towards one side of the inner push plate 11 to form a channel 10b for the apron board 01 to move;
the bottom plate 02 door opening mechanism is connected with the apron plate 01 door opening mechanism through a stepped plate 12 and comprises a lifting component 20 and an adjusting component 30, the lifting component 20 is symmetrically arranged along the door opening direction of the bottom plate 02, the adjusting component 30 comprises adjusting grooves 31, and the adjusting grooves 31 are arranged on two sides of the width direction of the bottom plate 02 and change the height position of the bottom plate 02 along the vertical direction;
the outer baffle plate 10 and the inner push plate 11 move relatively along the width direction of the equipment compartment, clamp the apron board 01 and move out of the closed position, then laterally move and open the apron board 01 along the channel 10b, move the height of the adjusting groove 31 downwards, and then open the bottom plate 02 along the length direction of the adjusting groove 31.
The door opening mechanism of the skirtboard 01 and the door opening mechanism of the bottom board 02 are arranged, the door opening of the bottom board 02 and the skirtboard 01 of the equipment compartment is respectively carried out, the door opening between the skirtboard 01 and the equipment compartment is not interfered with each other, the outer baffle plate 10 and the inner push plate 11 are arranged, the outer baffle plate 10 protrudes towards one side 10a of the inner push plate 11 to form a channel 10b for the movement of the skirtboard 01, when the skirtboard 01 needs to be opened, the outer baffle plate 10 and the inner push plate 11 relatively move to clamp the skirtboard 01 and simultaneously push the skirtboard 01 outwards, the skirtboard 01 is laterally moved and opened along the channel 10b, the lifting assembly 20 and the adjusting assembly 30 are arranged, the adjusting groove 31 moves downwards under the action of the lifting assembly 20, the bottom board 02 can move along the length direction of the adjusting groove 31, each skirtboard 01 and the bottom board 02 are provided with an independent door opening frame module, the bottom board 02 and the skirtboard 01 are respectively opened, and the front-back sequence relation does not exist between the front-back sequence, the door opening sequence of the whole equipment compartment is simplified, the performance requirements on the apron board 01 and the bottom board 02 are reduced, and the door opening practicability of the equipment compartment is improved.
It should be noted here that, since the apron 01 and the bottom plate 02 both move in the corresponding tracks, for example, a motor may be provided for driving, or switch handles may be provided on the apron 01 and the bottom plate 02 for manual operation, which is not limited in detail herein, and may achieve the effect of driving the apron 01 and the bottom plate 02 to move.
As a preference of the above embodiment, the protrusions 10a of the outer baffle 10 extend into the equipment compartment at both ends in the length direction to form long arms 10c, the long arms 10c are hollow structures, the thickness and width of the long arms 10c can be adjusted adaptively according to the size of the installation, and the long arms 10c of the outer baffle 10 at the bottom of the apron board 01 are connected with the side of the stepped plate 12 departing from the adjusting groove 31 in a sliding manner; the middle part of the inner push plate 11 extends towards the inside of the equipment cabin and is in sliding connection with the adjusting groove 31, and similarly, the outer baffle 10 on the upper part of the apron board 01 and the inner push plate 11 are also in sliding connection with the framework on the upper part of the equipment cabin, and the sliding connection can be realized in a mode of a sliding rail 23a and a sliding block 23b, so that the stability of opening the door of the apron board 01 is ensured due to the characteristics of strong bearing capacity, stable movement and the like.
As a preference of the above embodiment, the inward extending portion of the inner pushing plate 11 is divided into three sections, and the included angle formed between each section is an obtuse angle, so that on one hand, stable and uniform force applied when the skirt plate 01 is pushed outwards can be ensured, and on the other hand, a space is reserved for an internal sliding mechanism to form protection, and the moving process is prevented from being influenced.
Specifically, interior push pedal 11 and outer baffle 10 parallel arrangement, guarantee that it can laminate with the inboard and the outside of skirtboard 01, guarantee the homogeneity of atress, when the side is moved simultaneously and is opened, also can form level and smooth passageway 10b, the contained angle between interior push pedal 11 and outer baffle 10 and the horizontal plane is not restricted, for example the contained angle between the interior push pedal 11 and the outer baffle 10 and the horizontal plane at skirtboard 01 top is 90 in this embodiment, the contained angle that the bottom set up is 135, according to the angle adaptability adjustment of the top of skirtboard 01 and bottom can.
Preferably, the stepped plate 12 is disposed along the direction in which the bottom plate 02 moves, the stepped plate 12 is uniformly provided with a stepped reinforcing plate 12a along the length direction, the reinforcing plate 12a divides the stepped plate 12 into a plurality of stepped blocks 12b, and here, it should be noted that, since the stepped plate 12 connects the apron 01 door opening mechanism and the bottom plate 02 door opening mechanism, the stepped plate 12 is subjected to a large force, and since the length of the equipment compartment itself is limited, the stepped plate is easily bent and deformed after a long time use, and after the reinforcing plate 12a is disposed, the problem of the deformation due to the force can be alleviated, and at the same time, the reinforcing plate 12a is disposed in a stepped shape to be adapted to the arrangement of the contour of the stepped plate 12 itself, thereby ensuring that each part of the stepped plate 12 can be reinforced.
As a preference of the above embodiment, the adjusting groove 31 is disposed at a bending position below the stepped plate 12, an opening of the adjusting groove 31 is disposed toward one side of the bottom plate 02, each adjusting block and the adjusting groove 31 are fixed by an adjusting screw, and are fixed in multiple points, so that uniformity and stability of connection of each portion are ensured, a length of the adjusting screw is a height changed by the adjusting groove 31, where it should be noted that a length of the adjusting screw may be changed by manual rotation, and a position of the adjusting screw may also be changed by other transmission driving modes without specific limitations.
Specifically, the adjusting assembly 30 further includes rollers 33, the rollers 33 are fixed at positions on two sides of the bottom plate 02 and are limited in the adjusting groove 31, the rollers 33 roll along the adjusting groove 31, so that the bottom plate 02 relatively moves along the length direction of the adjusting groove 31, a lock 34 is arranged between each step block 12b and the vehicle body, the lock 34 movably connects the bottom plate 02 to the step plate 12, when the bottom plate 02 needs to be opened, the lock 34 needs to be unlocked first, so that the bottom plate 02 is separated from the step plate 12, then the height of the adjusting groove 31 moves downward through an adjusting screw, and the rollers 33 on two sides of the bottom plate 02 assist the bottom plate 02 to move along the adjusting groove 31, so that the bottom plate 02 is opened.
Preferably, the lifting assembly 20 comprises a manipulator 21 and a lifting ring 22, the lifting ring 22 is fixed on one surface of the bottom plate 02 facing the inner side of the vehicle body, and the manipulator 21 is fixed on the bottom plate 02 beam through an L-shaped plate 23 and is positioned above the lifting ring 22; the manipulator 21 comprises two clamping jaws 21a which are arranged oppositely, the clamping jaws 21a penetrate through the central axis of the lifting ring 22, the end faces of the clamping jaws are butted together, after the height of the adjusting groove 31 is moved downwards, the other manipulator 21 grasps the lifting ring 22, the bottom plate 02 keeps the original height unchanged, the bottom plate 02 on one side needing to be opened loosens the lifting ring 22, the bottom plate 02 is moved downwards, a height difference is formed between the bottom plate 02 on the other side and the bottom plate 02 on the other side, and a space for opening the door of the bottom plate 02 is reserved.
Preferably, as for the above embodiment, a slide rail 23a and a slide block 23b are arranged on one side of the L-shaped plate 23 facing the manipulator 21, the slide rail 23a is arranged along the vertical direction, the slide block 23b is slidably connected with the slide rail 23a, the manipulator 21 is fixed on the slide block 23b, the manipulator 21 can move up and down along the L-shaped plate 23 under the action of the slide block 23b and the slide rail 23a, when the door is opened, the manipulator 21 moves down to place the bottom plate 02 in the downward-moving adjusting groove 31, conversely, after the bottom plate 02 is closed, the manipulator 21 grasps the hanging ring 22, and under the action of the slide rail 23a and the slide block 23b, the bottom plate 02 is lifted to the initial position, and then the adjusting groove 31 is returned to the closed position through the adjusting screw rod, so as to open and close the door of the bottom plate 02.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A vehicle body equipment compartment door opening structure, characterized by comprising:
the apron plate door opening mechanism is arranged at two ends of the apron plate in the height direction and comprises an outer baffle plate and an inner push plate, the outer baffle plate and the inner push plate are respectively positioned at the outer side and the inner side of the apron plate, and the outer baffle plate protrudes towards one side of the inner push plate to form a channel for the apron plate to move;
the bottom plate door opening mechanism is connected with the apron plate door opening mechanism through a stepped plate and comprises lifting components and adjusting components, the lifting components are symmetrically arranged along the door opening direction of the bottom plate, the adjusting components comprise adjusting grooves, the adjusting grooves are arranged on two sides of the width direction of the bottom plate, and the height positions of the adjusting grooves are changed along the vertical direction;
the outer baffle plate and the inner push plate move relatively along the width direction of the equipment compartment, clamp the apron plate and move out of a closed position, then laterally move the apron plate along the channel to be opened, move the height of the adjusting groove downwards, and then open the bottom plate along the length direction of the adjusting groove.
2. The vehicle body equipment compartment door opening structure according to claim 1, wherein the protrusions of the outer baffle extend towards the equipment compartment at both ends in the length direction to form long arms, and the long arms are of hollow structures and are slidably connected with one side of the stepped plate, which is far away from the adjusting groove; the middle part of the inner push plate extends to the inside of the equipment cabin and is connected with the adjusting groove in a sliding mode.
3. The vehicle body equipment compartment door opening structure according to claim 2, wherein the inner push plate is disposed in parallel with the outer barrier.
4. The vehicle body equipment compartment door opening structure according to claim 1, wherein the step plate is disposed along a direction in which the bottom plate moves, and a step-shaped reinforcing plate is uniformly disposed along a length direction of the step plate, and is divided into a plurality of step blocks by the reinforcing plate.
5. The vehicle body equipment compartment door opening structure according to claim 4, wherein the adjusting groove is arranged at a bent position below the stepped plate, each adjusting block and the adjusting groove are fixed through an adjusting screw, and the length of the adjusting screw is equal to the height changed by the adjusting groove.
6. The vehicle body equipment compartment door opening structure according to claim 5, wherein the adjustment assembly further comprises rollers fixed at positions on both sides of the bottom plate and confined in the adjustment groove, the rollers rolling along the adjustment groove so that the bottom plate relatively moves along a length direction of the adjustment groove.
7. The car body equipment compartment door opening structure according to claim 4, wherein a lock is provided between each step block and the car body, and the lock movably connects the bottom plate to the step plate.
8. The vehicle body equipment compartment door opening structure according to claim 1, wherein the lifting assembly comprises a mechanical arm and a lifting ring, the lifting ring is fixed on one surface of the bottom plate facing the inner side of the vehicle body, and the mechanical arm is fixed on the bottom plate beam through an L-shaped plate and is positioned above the lifting ring.
9. The car body equipment compartment door opening structure according to claim 8, wherein the manipulator comprises two oppositely arranged clamping jaws, the clamping jaws penetrate through the central axis of the hanging ring, and the end faces of the clamping jaws are abutted together.
10. The vehicle body equipment compartment door opening structure according to claim 9, wherein a slide rail and a slide block are arranged on one side of the L-shaped plate facing the manipulator, the slide rail is arranged along a vertical direction, the slide block is slidably connected with the slide rail, and the manipulator is fixed on the slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210369100.6A CN114750789B (en) | 2022-04-08 | 2022-04-08 | Car body equipment compartment door opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210369100.6A CN114750789B (en) | 2022-04-08 | 2022-04-08 | Car body equipment compartment door opening structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114750789A true CN114750789A (en) | 2022-07-15 |
| CN114750789B CN114750789B (en) | 2022-10-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210369100.6A Active CN114750789B (en) | 2022-04-08 | 2022-04-08 | Car body equipment compartment door opening structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN114750789B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415793A1 (en) * | 1994-05-05 | 1995-11-09 | Ammendorf Waggonbau | Access apron for underbody equipment of high speed rail vehicles |
| KR100824957B1 (en) * | 2006-10-31 | 2008-04-28 | 현대로템 주식회사 | Rotation the railway car skirt which is possible |
| CN201419706Y (en) * | 2009-05-18 | 2010-03-10 | 唐山轨道客车有限责任公司 | Apron board locking structure for high-speed motor train unit |
| CN104843022A (en) * | 2015-05-12 | 2015-08-19 | 南车青岛四方机车车辆股份有限公司 | Installing structure of device cabin bottom plate |
| CN208325225U (en) * | 2018-06-25 | 2019-01-04 | 中车长春轨道客车股份有限公司 | A kind of push-and-pull bottom deck assembly and vehicle bottom equipment compartment |
| CN109398376A (en) * | 2018-12-21 | 2019-03-01 | 常州市新创智能科技有限公司 | A kind of Transit Equipment cabin support construction |
| CN112441037A (en) * | 2019-08-29 | 2021-03-05 | 比亚迪股份有限公司 | Skirtboard subassembly and rail vehicle who has it |
-
2022
- 2022-04-08 CN CN202210369100.6A patent/CN114750789B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415793A1 (en) * | 1994-05-05 | 1995-11-09 | Ammendorf Waggonbau | Access apron for underbody equipment of high speed rail vehicles |
| KR100824957B1 (en) * | 2006-10-31 | 2008-04-28 | 현대로템 주식회사 | Rotation the railway car skirt which is possible |
| CN201419706Y (en) * | 2009-05-18 | 2010-03-10 | 唐山轨道客车有限责任公司 | Apron board locking structure for high-speed motor train unit |
| CN104843022A (en) * | 2015-05-12 | 2015-08-19 | 南车青岛四方机车车辆股份有限公司 | Installing structure of device cabin bottom plate |
| CN208325225U (en) * | 2018-06-25 | 2019-01-04 | 中车长春轨道客车股份有限公司 | A kind of push-and-pull bottom deck assembly and vehicle bottom equipment compartment |
| CN109398376A (en) * | 2018-12-21 | 2019-03-01 | 常州市新创智能科技有限公司 | A kind of Transit Equipment cabin support construction |
| CN112441037A (en) * | 2019-08-29 | 2021-03-05 | 比亚迪股份有限公司 | Skirtboard subassembly and rail vehicle who has it |
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| Publication number | Publication date |
|---|---|
| CN114750789B (en) | 2022-10-18 |
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