CN112249051A - Installation structure of lower skirt plate of railway passenger car - Google Patents
Installation structure of lower skirt plate of railway passenger car Download PDFInfo
- Publication number
- CN112249051A CN112249051A CN202011074895.5A CN202011074895A CN112249051A CN 112249051 A CN112249051 A CN 112249051A CN 202011074895 A CN202011074895 A CN 202011074895A CN 112249051 A CN112249051 A CN 112249051A
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- CN
- China
- Prior art keywords
- apron
- apron board
- passenger car
- mounting structure
- lower skirt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 title claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000638 solvent extraction Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to a lower skirt plate mounting structure of a railway passenger car, which comprises a skirt plate mounting frame, a skirt plate and a connecting beam, wherein two ends of the skirt plate mounting frame are respectively provided with an angle-shaped upright post, a groove-shaped cross beam is arranged at the upper end between the two upright posts, the skirt plate mounting frame is connected with a side beam of an underframe through the cross beam and is connected with the connecting plate welded on the underframe through an upper plane of the upright post by a bolt; the upright posts of the two adjacent apron board mounting frames are connected into a whole, a rubber plate is arranged between the upright posts, cover seam groove plates are arranged on the outer sides of the upright posts, the adjacent apron boards are in lap joint with the cover seam groove plates, and a rubber pad is arranged between the apron boards and the cover seam groove plates. The installation frame of the lower apron board of the railway passenger car and the apron board corresponding to the installation structure are both movable apron boards, can adapt to different arrangement of equipment under the car, and have the advantages of better universality, simple structure and uniform partitioning, thereby being beneficial to unification of the apron boards, improving the appearance of the apron boards, and improving the design and production efficiency; the installation frames of the adjacent apron boards are connected into a whole, so that the stability is improved; the apron board has larger installation space and convenient assembly, disassembly and use.
Description
Technical Field
The invention belongs to the technical field of railway vehicle bodies, and particularly relates to a lower skirt plate mounting structure of a railway passenger car.
Background
Domestic railway carriages comprise 25G type carriages of 120km/h, 25T type carriages of 160km/h and motor train units, and motor train units of more than 200 km/h. Skirtboards are arranged on the two sides under the common passenger car with the speed of 160 km/h. The apron board can reduce the air resistance in operation, protects suspension equipment under the vehicle, prevents foreign matters from entering the vehicle bottom, and can also improve the safety and the stability of the vehicle. The skirt board under the car of conventional passenger train divide into fixed skirt board and activity skirt board, and the lateral part that corresponds in the position of equipment under the car is equipped with the activity skirt board, the overhaul of the equipments of being convenient for.
The Chinese utility model patent CN208774770U discloses a skirt board, which comprises a fixed skirt board and a movable skirt board detachably connected with the fixed skirt board. The underframe needs to be additionally provided with longitudinal beams of the mounting seat, the number of parts is large, the inclined strut occupies the space of the underframe, and the skirt board is complex to mount.
The prior art has the following defects:
1) the distribution of the equipment under the vehicle is greatly restricted, if the position of the equipment under the vehicle is adjusted, the apron board needs to be designed in blocks again, the flexibility is lacked, and the design time is increased;
2) the fixed apron board and the movable apron board are partitioned according to the positions of equipment under the vehicle and occupied space, the length of the apron boards is not uniform, the appearance of the skirt board is affected, and the production efficiency is reduced;
3) the prior art has certain limitations. The fixed skirt board and the movable skirt board are arranged at intervals, only the movable skirt board can be opened, and the gas spring for opening the movable skirt board or the threaded lock for locking the movable skirt board need to support the fixed skirt board. The prior art is only suitable for vehicles with less equipment under the vehicle, and the technology can not meet the requirement when the fixed apron board can not be arranged for the vehicles with more equipment under the vehicle;
4) the apron board mounting structure is complicated, and the chassis needs to be equipped with a plurality of mount pads and longeron, and space is less under the car.
Disclosure of Invention
The invention mainly aims to overcome the defects in the prior art and provides a lower skirt board mounting structure of a railway passenger car, which is simple in structure and can be opened at the same time for all skirt boards. The problem of the skirtboard piecemeal receive equipment restriction under the car is solved, the piecemeal is even, has improved the commonality and the aesthetic property of skirtboard, has improved design and production efficiency, has solved the complicated problem of skirtboard loading and unloading.
In order to solve the technical problem, the lower skirt plate mounting structure of the railway passenger car comprises a skirt plate mounting frame, skirt plates and connecting beams, and is characterized in that: the apron board installation frame is a square frame with a downward opening, 1 corner-shaped upright post is respectively arranged at each of two ends of the apron board installation frame, a groove-shaped cross beam is arranged at the upper end between the two upright posts, the apron board installation frame is connected with a C-shaped groove bolt on the lower plane of the side beam of the underframe through the cross beam and is connected with a side connecting plate of the underframe through an upper plane of the upright post; the upright columns of the two adjacent apron plate installation frames are connected into a whole through bolts, the rubber plates are arranged between the two adjacent upright columns, the cover seam groove plates are arranged on the outer sides of the upright columns, the adjacent apron plates are in lap joint with the cover seam groove plates, and the rubber pads are arranged between the apron plates and the cover seam groove plates.
The invention also protects a rail vehicle, which is characterized in that: the railway passenger car lower skirt plate mounting structure comprises the railway passenger car lower skirt plate mounting structure.
The invention has the following beneficial effects:
the apron board mounting frame and the apron board corresponding to the mounting structure are movable apron boards, can adapt to different arrangement of equipment under a vehicle, have better universality, simple structure and uniform partitioning, are beneficial to unification of the apron boards, improve the external appearance of the apron boards, and also improve the design and production efficiency; the installation frames of the adjacent apron boards are connected into a whole, so that the stability is improved; the apron board has larger installation space and convenient assembly, disassembly and use. When the railway passenger car with the speed grade of 160km/h or above adopts the plate girder structure body, the apron board mounting structure can refer to or use the invention.
Drawings
FIG. 1 is a schematic view of a skirt board assembly axis according to the present invention.
FIG. 2 is a schematic axial view of a skirt mounting frame according to the present invention.
FIG. 3 is a cross-sectional view of the skirt installation of the present invention.
Fig. 4 is an isometric view of the undercarriage attachment plate of the present invention.
Fig. 5 is a schematic view of the installation of the safety chain according to the invention.
FIG. 6 is a top view of the installation of adjacent skirts according to the present invention.
Fig. 7 is a cross-sectional view of the hinge assembly of the present invention.
Fig. 8 is a schematic view of the hinge mounting shaft of the present invention.
The numbers in the figures are as follows:
1-apron board, 2-apron board mounting frame, 3-connecting beam, 4-upright post, 5-cross beam, 6-reinforcing plate, 7-C-shaped groove, 8-safety chain mounting seat, 9-side beam, 10-gas spring mounting seat, 11-lock catch plate, 12-apron board connecting seat, 13-cover slot plate, 14-rubber plate, 15-hinge, 16-gas spring, 17-thread lock, 18-weight and 19-connecting plate.
Detailed Description
The following explains an embodiment of the present invention with reference to the drawings.
As shown in fig. 1 to 8, the installation structure of the lower skirt board of the railway passenger car of the present embodiment includes a skirt board 1, a skirt board installation frame 2, and a connection beam 3. The apron board mounting frame 2 is a square frame with a downward opening, two ends of the apron board mounting frame are respectively provided with 1 corner type upright post 4, a horizontal flanging is arranged above the upright posts 4, and 2 long round holes are formed in the flanging; a C-shaped groove 7 is arranged below the connecting rod and is used for installing a gas spring connecting seat 10 and a threaded lock locking plate 11; the bottom is equipped with safety chain connecting seat 8, and safety chain one end is connected with skirtboard 1, and one end is connected with this safety chain mount pad 8, prevents that the vehicle operation in-process, the unexpected turn-up that opens of skirtboard. A groove-shaped cross beam 5 is arranged at the upper end between the two upright posts 4, the opening of the groove-shaped cross beam 5 faces downwards, and a plurality of long round holes are formed in the upper plane. The junction of the upright post 4 and the cross beam 5 is provided with a reinforcing plate 6, so that stress concentration is avoided. The connecting beam 3 is made of special-shaped section extruded aluminum profiles and is connected with the outer side face of the cross beam 5 through bolts through an extruded C-shaped groove. The apron board installation frame 2 is connected with a C-shaped groove bolt on the lower plane of the underframe side beam 9 through a cross beam 5, and is connected with a connecting plate 19 welded on the underframe through the upper plane of the upright post 4. The upper end of the connecting beam 3 is propped against the lower plane of the underframe side beam 9, and the gap between the apron board mounting frame 2 and the underframe side beam is shielded.
In the embodiment, 2-3 aluminum section bar hinges 15 are arranged at the upper end of the apron board 1, the hinges 15 are extruded into a hook shape, the hook tips are similar to pin shafts, a C-shaped groove is arranged below the hook tips, and the C-shaped groove is connected to the apron board 1 through bolts. The hinge 15 is clamped at the groove of the connecting beam 3 through an angle-shaped press iron 18, and the press iron 18 is connected with the C-shaped groove of the connecting beam 3 through a bolt. The back of the hinge 15 is provided with a square notch, which is convenient for installing the weight 18. The apron board 1 can rotate up and down through the hook point of the hinge 15, so as to realize opening and closing. The gas spring 16 acts as a support when the panel 1 is open and the screw lock locks when closed. Two adjacent skirtboard installation frame 2 stands 4 pass through bolted connection as an organic whole, have improved the stability of frame. Rubber plates 14 are arranged between the upright posts 4 to reduce vibration and noise between frames. The outer side of the upright column 4 is provided with a cover seam groove plate 13, the adjacent apron board 1 is in lap joint with the cover seam groove plate 13, and a rubber pad is arranged between the apron board 1 and the cover seam groove plate 13.
In this embodiment, the apron board mounting frame is composed of two upright posts 4, a cross beam 5, two reinforcing plates 6, six C-shaped grooves 7 and two safety chain connecting seats 8, and the connection mode between the parts is welding. The upright post 4 is an angle-shaped section with the thickness of 4mm, two long circular holes are formed in the upper surface of the upright post, the length direction of each long circular hole is perpendicular to the cross beam 5 and is connected with a connecting plate 19 on the underframe, each connecting plate is a steel plate with the thickness of 14mm multiplied by 125mm multiplied by 170mm, two long circular holes are formed in the upper surface of the upright post, the length direction of each long circular hole is perpendicular to the long circular holes in the upper plane of the upright post 4, and when the apron board; the connecting plate 19 is provided with a groove of 8mm, and the bolt has an anti-rotation function during installation. And a C-shaped groove 7 below the upright post for installing a gas spring connecting seat 10 and a lock catch plate 11 of the thread lock. The safety chain connecting seat 8 is used for connecting a safety chain, and the other end of the safety chain is connected with the apron board connecting seat 12 on the apron board.
The side surface of the upright post 4 is provided with a long round hole for installing a cover seam groove plate 13, the adjacent apron plate is lapped with the cover seam groove plate, and the gap is 5 mm; the cover seam frid 13 is 2mm resistant steel channel section of waiting, is equipped with 3 groups of long round holes on the ventral surface, and the long round hole length direction is horizontal, forms the cross with the long round hole in the stand 4 outside and stands in, and convenient the regulation during installation. 4 vertical planes of stand are equipped with the round hole for connect adjacent skirtboard installation frame, improved the stability of frame. Rubber plates 14 are arranged between the upright columns of the adjacent skirtboard mounting frames and between the skirtboard 1 and the cover seam groove plate 13, so that vibration and noise between the frames are reduced.
The cross beam 2 is a downward groove-shaped section, the upper plane is provided with a long circular hole, the length direction of the long circular hole is perpendicular to the length direction of the cross beam and is connected with a C-shaped groove on the lower plane of the side beam 9 of the underframe, and the outer side surface is provided with a long circular hole in the vertical direction and is connected with the mounting beam 3; the upper end of the connecting beam is propped against the lower plane of the side beam of the underframe, and a gap between the shielding cross beam 2 and the side beam 9 of the underframe is reserved. The apron is provided with two hinges 15, two gas springs 16, two screw locks 17, two safety chain connection seats 12. The hinge 15 is an extruded aluminum section bar which is in a hook shape, the hook point is similar to a pin shaft, a C-shaped groove is arranged below the hinge point and is connected to the apron board through bolts. The hinge passes through angle type weight 18, blocks in the recess department of tie-beam 3, and the weight is connected with the C type groove of tie-beam 3. The back of the hinge 15 is provided with a square notch, which is convenient for installing the weight 18 on the connecting beam 3. The apron can be rotated up and down by means of a hinge 15, and when opened, the gas spring 16 acts as a support, and when closed, the screw lock 17 locks onto the strike plate 10. The safety chain is connected with the safety chain connecting seat 8 on the apron board mounting frame through the safety chain connecting seat 12, and the apron board is prevented from being accidentally opened and turned upwards in the vehicle running process.
Except that the connecting beam 3 and the hinge 15 are aluminum profiles, other parts are made of carbon steel; except that the parts in the apron board installation frame are welded, all other parts are connected by bolts.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a passenger train lower skirt board mounting structure, includes skirtboard installation frame (2), skirtboard (1) and tie-beam (3), its characterized in that: the apron board installation frame (2) is a square frame with a downward opening, 1 corner type upright post (4) is respectively arranged at two ends of the apron board installation frame, a groove type cross beam (5) is arranged at the upper end between the two upright posts (4), the apron board installation frame (2) is connected with a C-shaped groove bolt of the lower plane of the underframe side beam (9) through the cross beam (5), and is connected with a connecting plate (19) welded on the underframe through a bolt of the upper plane of the upright post (4); the upright columns (4) of the two adjacent apron board mounting frames (2) are connected into a whole through bolts, a rubber plate (14) is arranged between the two adjacent upright columns (4), cover seam groove plates (13) are arranged on the outer sides of the upright columns (4), the adjacent apron boards (1) are in lap joint with the cover seam groove plates (13), and rubber pads are arranged between the apron boards (1) and the cover seam groove plates (13).
2. The railway passenger car lower skirt plate mounting structure of claim 1, wherein: and a horizontal flanging is arranged above the upright post (4), and 2 long round holes are formed in the flanging.
3. The railway passenger car lower skirt plate mounting structure of claim 1, wherein: a C-shaped groove (7) is arranged below the upright post (4) and is used for installing a gas spring connecting seat (10) and a threaded lock latch plate (11); the bottom end is provided with a safety chain connecting seat (8), one end of the safety chain is connected with the apron board connecting seat (12) on the apron board (1), and the other end of the safety chain is connected with the safety chain mounting seat (8).
4. The railway passenger car lower skirt plate mounting structure of claim 1, wherein: the opening of the groove-shaped cross beam (5) faces downwards, a plurality of long round holes are formed in the upper plane, and a reinforcing plate (6) is arranged at the joint of the upright column (4) and the cross beam (5).
5. The railway passenger car lower skirt plate mounting structure of claim 1, wherein: the connecting beam (3) is made of extruded aluminum profiles and is connected with the outer side face of the cross beam (5) through bolts through an extruded C-shaped groove.
6. The railway passenger car lower skirt plate mounting structure of claim 1, wherein: the upper end of the connecting beam (3) is propped against the lower plane of the underframe side beam (9) to shield the gap between the apron board mounting frame (2) and the underframe side beam.
7. The railway passenger car lower skirt plate mounting structure of claim 1, wherein: the upper end of the apron board (1) is fixed with a hinge (15) through a bolt, the hinge (15) is extruded into a hook shape, a hook tip is a pin shaft, and the hook tip of the hinge (15) is clamped at the groove of the connecting beam (3) through an angle-shaped press iron (18).
8. A rail vehicle underframe structure is characterized in that: a passenger train lower skirt mounting structure having any one of claims 1 to 6.
9. A rail vehicle, characterized in that: a passenger train lower skirt mounting structure having any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011074895.5A CN112249051A (en) | 2020-10-09 | 2020-10-09 | Installation structure of lower skirt plate of railway passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011074895.5A CN112249051A (en) | 2020-10-09 | 2020-10-09 | Installation structure of lower skirt plate of railway passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112249051A true CN112249051A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011074895.5A Pending CN112249051A (en) | 2020-10-09 | 2020-10-09 | Installation structure of lower skirt plate of railway passenger car |
Country Status (1)
| Country | Link |
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| CN (1) | CN112249051A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506353A (en) * | 2022-03-10 | 2022-05-17 | 中车浦镇阿尔斯通运输系统有限公司 | Straddle type monorail lower apron board mounting and connecting assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2319061A1 (en) * | 1973-04-14 | 1974-10-31 | Linke Hofmann Busch | SKIRT FOR RAIL VEHICLES |
| CN201516849U (en) * | 2009-10-14 | 2010-06-30 | 青岛四方庞巴迪铁路运输设备有限公司 | Cabin apron board structure of vehicle chassis equipment |
| CN202624227U (en) * | 2012-04-24 | 2012-12-26 | 南车南京浦镇车辆有限公司 | General type skirt plate connecting device |
| CN205292644U (en) * | 2015-11-24 | 2016-06-08 | 中车唐山机车车辆有限公司 | Skirtboard connection structure and body construction |
| CN107628043A (en) * | 2017-09-21 | 2018-01-26 | 中车株洲电力机车有限公司 | A kind of skirt plate of railway vehicle and installation method |
| CN208774770U (en) * | 2018-06-05 | 2019-04-23 | 中车唐山机车车辆有限公司 | Skirtboard |
| CN210027413U (en) * | 2019-05-08 | 2020-02-07 | 唐山宏正机械设备有限公司 | High-speed train apron board and movement mechanism thereof |
| CN211139318U (en) * | 2019-12-24 | 2020-07-31 | 北京轨道交通技术装备集团有限公司 | Skirt board structure under car |
-
2020
- 2020-10-09 CN CN202011074895.5A patent/CN112249051A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2319061A1 (en) * | 1973-04-14 | 1974-10-31 | Linke Hofmann Busch | SKIRT FOR RAIL VEHICLES |
| CN201516849U (en) * | 2009-10-14 | 2010-06-30 | 青岛四方庞巴迪铁路运输设备有限公司 | Cabin apron board structure of vehicle chassis equipment |
| CN202624227U (en) * | 2012-04-24 | 2012-12-26 | 南车南京浦镇车辆有限公司 | General type skirt plate connecting device |
| CN205292644U (en) * | 2015-11-24 | 2016-06-08 | 中车唐山机车车辆有限公司 | Skirtboard connection structure and body construction |
| CN107628043A (en) * | 2017-09-21 | 2018-01-26 | 中车株洲电力机车有限公司 | A kind of skirt plate of railway vehicle and installation method |
| CN208774770U (en) * | 2018-06-05 | 2019-04-23 | 中车唐山机车车辆有限公司 | Skirtboard |
| CN210027413U (en) * | 2019-05-08 | 2020-02-07 | 唐山宏正机械设备有限公司 | High-speed train apron board and movement mechanism thereof |
| CN211139318U (en) * | 2019-12-24 | 2020-07-31 | 北京轨道交通技术装备集团有限公司 | Skirt board structure under car |
Non-Patent Citations (1)
| Title |
|---|
| 马松花: "《动车组机械设备维护与检修》", pages: 143 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506353A (en) * | 2022-03-10 | 2022-05-17 | 中车浦镇阿尔斯通运输系统有限公司 | Straddle type monorail lower apron board mounting and connecting assembly |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
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| RJ01 | Rejection of invention patent application after publication |