CN111301461A - Piggyback car and underframe assembly thereof - Google Patents
Piggyback car and underframe assembly thereof Download PDFInfo
- Publication number
- CN111301461A CN111301461A CN202010130570.8A CN202010130570A CN111301461A CN 111301461 A CN111301461 A CN 111301461A CN 202010130570 A CN202010130570 A CN 202010130570A CN 111301461 A CN111301461 A CN 111301461A
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- Prior art keywords
- tray
- underframe
- chassis
- supporting
- support
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- Pending
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- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
- B61D3/16—Wagons or vans adapted for carrying special loads
- B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
- B61D3/187—Details, e.g. bridges for floor connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps
- B61D47/005—Loading or unloading devices combined with road vehicles carrying wagons, e.g. ramps, turntables, lifting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Packaging Of Machine Parts And Wound Products (AREA)
Abstract
The invention discloses a piggyback car and a chassis assembly thereof, wherein the chassis assembly comprises two end part chassis and a bottom supporting frame positioned between the two end part chassis, two ends of the bottom supporting frame are respectively fixed on the two end part chassis, the upper surface of the bottom supporting frame is lower than that of the end part chassis, a cavity is arranged in the middle of the bottom supporting frame, and the bottom of a tray of the piggyback car can penetrate through the cavity and extend to the lower part of the bottom supporting frame. The integrity of the piggyback car body can be improved by arranging the support underframe and arranging the cavity for the bottom of the tray to pass through in the middle of the support underframe.
Description
Technical Field
The invention relates to the technical field of piggyback transportation, in particular to a piggyback car and an underframe thereof.
Background
Piggyback transportation refers to a convenient transportation mode that after goods are loaded on road vehicles such as road trucks or semi-trailers, the road vehicles automatically start a piggyback car at a train station at an origin and finish long-distance transportation through railways, and after the road vehicles reach a train station at a destination, the road vehicles can automatically start the piggyback car and drive to the final destination.
The body of the existing piggyback car comprises an end underframe and a tray which can be separated from the end underframe, when the piggyback car loads and unloads goods, the tray is separated from the end underframe, so that the piggyback car can be conveniently driven on and off by road vehicles, and after the goods are loaded and unloaded, the tray is arranged on the end underframe. Such a structure has poor body integrity.
In view of the above, it is a technical problem to be solved by those skilled in the art to improve the integrity of the body of a piggyback car.
Disclosure of Invention
In order to solve the technical problem, the invention provides an underframe assembly of a piggyback car, which comprises two end underframe parts and a cradle arranged between the two end underframe parts, wherein the two end of the cradle are respectively fixed on the two end underframe parts, the upper surface of the cradle is lower than that of the end underframe parts, the middle part of the cradle is provided with a cavity, and the bottom of a tray of the piggyback car can penetrate through the cavity and extend to the lower part of the cradle.
The integrity of the piggyback car body can be improved by arranging the support underframe and arranging the cavity for the bottom of the tray to pass through in the middle of the support underframe.
Optionally, the end chassis includes an end chassis body and a support protrusion, the support protrusion is fixed on an upper surface of the end chassis body, the tray is mounted on the chassis in a state of being assembled, and the support protrusion extends into a hook opening of an end connection hook of the tray and contacts and upwardly supports the tray with an upper surface thereof.
Optionally, when the tray is mounted on the bottom frame, the outer side of the supporting protrusion contacts with the inner side of the hook head of the end connecting hook.
Optionally, the outer side surface of the supporting projection is an inclined surface with an upper side inclined inward relative to the lower side, so as to be attached to the inner side surface with an upper side inclined inward relative to the lower side of the hook head.
Optionally, the end chassis further includes a support portion formed by extending the inner side of the end chassis body inward and downward, and the tray is mounted on the chassis in a state where the tray is assembled, and an inner side surface of the support portion contacts an outer side surface of the tray.
Optionally, the inner side surface of the supporting portion is an inclined surface inclined outwards from the upper side to the lower side, so as to be attached to the outer side surface inclined outwards from the upper side to the lower side of the tray.
Optionally, each end chassis is provided with two support protrusions and two support portions, the two support protrusions are arranged at intervals in the transverse direction, and the two support portions are arranged at intervals in the transverse direction.
Optionally, the inner side surface of the supporting portion and the outer side surface of the supporting protrusion are both provided with a wear plate.
Optionally, the base bracket comprises two side beams, the two side beams extend along the longitudinal direction and are arranged at intervals along the transverse direction, and the interval area between the two side beams is the cavity.
In addition, the invention also provides a piggyback car which comprises a tray and a chassis, wherein the chassis is composed of any one of the above chassis.
Since the underframe assembly has the technical effect, the piggyback car comprising the underframe assembly also has the technical effect.
Drawings
FIG. 1 is a front view of one embodiment of a chassis assembly provided by the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of a tray of a piggyback car;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a front view of the tray mounted to the chassis.
The reference numerals are explained below:
1 end chassis, 11 end chassis body, 12 supporting lug, 13 supporting part and 14 wearing plate;
2-bracket underframe, 21 side beam and 22 cavity;
3 tray, 31 end connecting hook, 311 hook head;
4 bogie frame.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
It should be noted that, in the description of the present invention, the width direction of the body of the piggyback car is taken as the transverse direction, the length direction of the body of the piggyback car is taken as the longitudinal direction, and along the longitudinal direction, the position close to the center of the body is taken as the inner position, and the position far away from the center of the body is taken as the outer position.
As shown in fig. 1, the chassis assembly includes two end chassis 1. The two end chassis 1 are arranged longitudinally spaced apart. As shown in fig. 5, in the applied state, the two end bogies 1 are supported on two bogies 4, respectively.
As shown in fig. 1, the bottom frame assembly further comprises a bottom supporting frame 2, the bottom supporting frame 2 is located between the two end bottom frames 1, two ends of the bottom supporting frame 2 are respectively fixed to the two end bottom frames 1 and can be welded and fixed, the upper surface of the bottom supporting frame 2 is lower than the upper surface of the end bottom frame 1, and a cavity 22 is formed in the middle of the bottom supporting frame 2. As shown in fig. 5, in a state that the tray 3 of the piggyback car is mounted on the underframe, the bottom of the tray 3 passes through the cavity 22 to extend below the cradle 2.
The integrity of the piggyback car body can be improved by arranging the tray chassis 2 and arranging the cavity 22 for the bottom of the tray 3 to pass through in the middle of the tray chassis 2.
Specifically, as shown in fig. 1, the end underframe 1 includes an end underframe body 11, the end underframe body 11 is a frame structure composed of cross beams, longitudinal beams, sleeper beams, etc., and the structure of the end underframe body 11 is well known to those skilled in the art and will not be described herein.
Specifically, as shown in fig. 2, the underframe 2 comprises two side beams 21, the two side beams 21 extend along the longitudinal direction and are arranged at intervals along the transverse direction, and the interval area between the two side beams 21 is the cavity 22.
Further, as shown in fig. 1, the end chassis 1 further includes a support protrusion 12, and the support protrusion 12 is fixed on an upper surface of the end chassis body 11. As shown in fig. 3, the tray 3 is provided with end connection hooks 31, and hook openings of the end connection hooks 31 face downward. As shown in fig. 5, in a state where the tray 3 is mounted to the chassis assembly, the support protrusions 12 are protruded into the hook openings of the end connection hooks 31, and the upper surfaces of the support protrusions 12 are brought into contact with the tray 3 and support the tray 3 upward. This connection structure is highly reliable and facilitates the mounting and separation of the tray 3 from the chassis.
In a specific scheme, as shown in fig. 2, each end chassis 1 includes two supporting protrusions 12, the two supporting protrusions 12 are arranged at intervals in the transverse direction, as shown in fig. 4, each end of the tray 3 is provided with two end connecting hooks 31, the two end connecting hooks 31 are arranged at intervals in the transverse direction, and in an installation state, the end connecting hooks 31 are connected with the supporting protrusions 12 in a one-to-one correspondence.
Preferably, as shown in fig. 5, in a state where the tray 3 is mounted on the chassis assembly, the outer side surface of the support protrusion 12 is in contact with the inner side surface of the hook 311 of the end connection hook 31, so that the reliability of connection between the tray 3 and the chassis assembly can be further improved.
Preferably, as shown in fig. 1, the outer side surface of the supporting protrusion 12 is a slope surface whose upper side is inclined inward relative to the lower side, and as shown in fig. 3, the inner side surface of the hook head 311 is also a slope surface whose upper side is inclined inward relative to the lower side, and the slopes of the two slope surfaces are the same. As shown in fig. 5, the tray 3 is mounted on the chassis, and the outer side of the supporting protrusion 12 is attached to the inner side of the hook 311, so as to further improve the connection reliability between the tray 3 and the chassis, thereby improving the integrity of the vehicle body, and in addition, the tray 3 can be guided to facilitate the mounting of the tray 3 and the chassis.
Further, as shown in fig. 1, the end chassis 1 further includes a support portion 13, and the support portion 13 is formed by extending from the inner side of the end chassis body 11 to the lower side. As shown in fig. 5, in a state where the tray 3 is mounted on the chassis assembly, the inner side surface of the support portion 13 is in contact with the outer side surface of the tray 3, so that the reliability of connection between the tray 3 and the chassis assembly can be further improved, thereby improving the integrity of the vehicle body.
Preferably, as shown in fig. 1, the inner side surface of the support portion 13 is an inclined surface whose upper side is inclined outward with respect to the lower side, and as shown in fig. 3, the outer side surface of the tray 3 is also an inclined surface whose upper side is inclined outward with respect to the lower side, and the inclination of the two inclined surfaces is the same. As shown in fig. 5, tray 3 is installed in the state that the chassis is constituteed, and the medial surface of supporting part 13 is laminated with the lateral surface of tray 3, sets up like this, can further promote the reliability of being connected that tray 3 and chassis are constituteed to promote the wholeness of automobile body, in addition, can play the guide effect to tray 3, the installation that tray 3 and chassis of being convenient for are constituteed.
In a specific embodiment, as shown in fig. 2, each end chassis 1 is provided with two supporting portions 13, and the two supporting portions 13 are arranged at intervals in the lateral direction. As shown in fig. 1, both ends of the side members of the cradle 2 are fixed to the lower ends of the support portions 13 of the two-end chassis 1, respectively.
In a specific embodiment, the inner side surface of the supporting portion 13 and the outer side surface of the supporting protrusion 12 are both provided with a wear plate 14.
The invention provides a piggyback car and the underframe thereof, which are described in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The underframe assembly of the piggyback car is characterized by comprising two end underframe (1) and a supporting underframe (2) positioned between the two end underframe (1), wherein two ends of the supporting underframe (2) are respectively fixed on the two end underframe (1), the upper surface of the supporting underframe (2) is lower than the upper surface of the end underframe (1), a cavity (22) is arranged in the middle of the supporting underframe (2), and the bottom of a tray (3) of the piggyback car can penetrate through the cavity (22) and extend to the lower part of the supporting underframe (2).
2. The chassis assembly according to claim 1, wherein the end chassis (1) includes an end chassis body (11) and a support protrusion (12), the support protrusion (12) is fixed on an upper surface of the end chassis body (11), and the tray (3) is mounted in the state of the chassis assembly, the support protrusion (12) is protruded into a hook opening of an end coupling hook (31) of the tray (3) to contact and upwardly support the tray (3) with an upper surface thereof.
3. The base frame assembly of claim 2, wherein the outer side of the support protrusion (12) is in contact with the inner side of the hook head (311) of the end connection hook (31) in a state where the tray (3) is mounted to the base frame assembly.
4. The chassis assembly of claim 3, wherein the outer side of the support protrusions (12) is a slope having an upper side inclined inward relative to a lower side to fit against the inner side of the hook heads (311) having an upper side inclined inward relative to a lower side.
5. The chassis assembly of claim 3, wherein the end chassis (1) further comprises a support portion (13), the support portion (13) is formed by extending the inner side of the end chassis body (11) inward and downward, and the inner side of the support portion (13) is in contact with the outer side of the tray (3) in a state where the tray (3) is mounted on the chassis assembly.
6. -undercarriage assembly according to claim 5, characterised in that the inner side of the support (13) is bevelled with an upper side inclined outwards with respect to the lower side, to engage with the outer side of the tray (3) with an upper side inclined outwards with respect to the lower side.
7. -undercarriage assembly according to claim 5, characterised in that each of the end undercarriages (1) is provided with two of the supporting cams (12) and two of the supporting parts (13), the two supporting cams (12) being arranged laterally spaced apart and the two supporting parts (13) being arranged laterally spaced apart.
8. Undercarriage composition according to claim 5, characterised in that the inner side of the support part (13) and the outer side of the support cam (12) are provided with wear plates (14).
9. The underframe assembly of any one of claims 1-8, characterized in that said underframe (2) comprises two side members (21), said side members (21) extending in the longitudinal direction and being spaced apart in the transverse direction, the space between said side members (21) being said cavity (22).
10. A piggyback car comprising a tray (3) and a chassis assembly, characterized in that said chassis assembly is a chassis assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130570.8A CN111301461A (en) | 2020-02-28 | 2020-02-28 | Piggyback car and underframe assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130570.8A CN111301461A (en) | 2020-02-28 | 2020-02-28 | Piggyback car and underframe assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111301461A true CN111301461A (en) | 2020-06-19 |
Family
ID=71153509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010130570.8A Pending CN111301461A (en) | 2020-02-28 | 2020-02-28 | Piggyback car and underframe assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111301461A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0622284A1 (en) * | 1993-04-29 | 1994-11-02 | Immobiliare Varcas S.P.A. | An improvement to a rail car for the carriage and transportation of commercial road vehicles |
| EP1712444A1 (en) * | 2005-04-14 | 2006-10-18 | Arbel Fauvet Rail S.A. | Movable bed for receiving a semi-trailer, wagon equipped with such a bed and loading procedure of the semi-trailer |
| CN107667049A (en) * | 2015-03-11 | 2018-02-06 | 凯斯伯尔运输技术有限公司 | The load bearing equipment that can be lifted |
| CN110785335A (en) * | 2017-06-30 | 2020-02-11 | 罗尔工业公司 | Method for loading/unloading a road semi-trailer on a tank car and tank car suitable for the method |
| CN110775087A (en) * | 2018-07-30 | 2020-02-11 | 罗尔工业公司 | Connecting system of highway-railway combined transport carriage |
| CN211617706U (en) * | 2020-02-28 | 2020-10-02 | 中车齐齐哈尔车辆有限公司 | Piggyback car and underframe assembly thereof |
-
2020
- 2020-02-28 CN CN202010130570.8A patent/CN111301461A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0622284A1 (en) * | 1993-04-29 | 1994-11-02 | Immobiliare Varcas S.P.A. | An improvement to a rail car for the carriage and transportation of commercial road vehicles |
| EP1712444A1 (en) * | 2005-04-14 | 2006-10-18 | Arbel Fauvet Rail S.A. | Movable bed for receiving a semi-trailer, wagon equipped with such a bed and loading procedure of the semi-trailer |
| CN107667049A (en) * | 2015-03-11 | 2018-02-06 | 凯斯伯尔运输技术有限公司 | The load bearing equipment that can be lifted |
| CN110785335A (en) * | 2017-06-30 | 2020-02-11 | 罗尔工业公司 | Method for loading/unloading a road semi-trailer on a tank car and tank car suitable for the method |
| CN110775087A (en) * | 2018-07-30 | 2020-02-11 | 罗尔工业公司 | Connecting system of highway-railway combined transport carriage |
| CN211617706U (en) * | 2020-02-28 | 2020-10-02 | 中车齐齐哈尔车辆有限公司 | Piggyback car and underframe assembly thereof |
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