EP3875341A1 - Freight train chassis and freight train - Google Patents
Freight train chassis and freight train Download PDFInfo
- Publication number
- EP3875341A1 EP3875341A1 EP18925721.5A EP18925721A EP3875341A1 EP 3875341 A1 EP3875341 A1 EP 3875341A1 EP 18925721 A EP18925721 A EP 18925721A EP 3875341 A1 EP3875341 A1 EP 3875341A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chassis
- freight train
- connecting member
- module
- chassis module
- 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
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- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 241001669679 Eleotris Species 0.000 claims description 9
- 239000000463 material Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
- B61D3/005—Wagons or vans convertible
-
- 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
- B61D3/20—Wagons or vans adapted for carrying special loads for forwarding containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D45/00—Means or devices for securing or supporting the cargo, including protection against shocks
- B61D45/007—Fixing containers
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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
Definitions
- the present invention relates to a technical field of freight train, in particular, to a freight train chassis and a freight train.
- the vehicle chassis of the freight train mainly adopts the welded overall structure, and the size of the vehicle chassis is mainly manufactured according to relevant standard rules.
- the size of the vehicle chassis of the freight train is fixed after the production of the vehicle chassis is completed.
- the invention provides a freight train chassis and a freight train to solve the problem in the prior art that, when the transportation is performed using the freight train with the fixed size chassis for different sizes of containers, the space thereof cannot be effectively utilized and the railway transportation efficiency and the transportation volume thereof are affected.
- the freight train chassis and the freight train provided by the invention improve the adaptability of the freight train to different sizes of goods and the space utilization rate of the freight train, and improve the transportation efficiency and transportation volume of railway transportation.
- the present invention provides a freight train chassis, including: a first chassis module, a plurality of connecting modules and at least one second chassis module, where the first chassis module and the second chassis module are disposed along a length direction of a freight train, the second chassis module is connected to the first chassis module by one or more connecting modules of the plurality of connecting modules, and the second chassis modules are connected by one or more connecting modules of the plurality of connecting modules.
- the present invention provides a freight train chassis, the second chassis module is connected to the first chassis module by at least two of the plurality of connecting modules, and the second chassis modules are connected by at least two of the plurality of connecting modules.
- the present invention provides a freight train chassis
- the connecting module includes a first connecting member, a second connecting member, a connecting shaft and a tensioner, where a profile hole matching the tensioner is disposed on the first connecting member and a circular hole is disposed on the second connecting member, the connecting shaft passes through the profile hole and the circular hole to connect the first connecting member and the second connecting member, the tensioner is used to be inserted into the profile hole and abutted against the connecting shaft, so that the first connecting member is rigidly connected with the second connecting member; and the first connecting member and/or the second connecting member are connected to the first chassis module; and the first connecting member and/or the second connecting member are connected to the second chassis module.
- the present invention provides a freight train chassis, the tensioner is a wedge block, the connecting shaft has a slope matching the wedge block, and when the tensioner is inserted into the profile hole, the wedge block is abutted against the slope; and both of the number of the slope and the number of the wedge block are at least two, and the two slopes are respectively located on two ends of the connecting shaft or are respectively located on opposite sides of a same end of the connecting shaft.
- the present invention provides a freight train chassis, the connecting module further includes an adjusting plate, and the adjusting plate has an adjustable thickness, the adjusting plate is used to be abutted against the second connecting member when the tensioner is inserted into the profile hole.
- the present invention provides a freight train chassis, the number of the adjusting plate is plural, and the plurality of adjusting plates have different thicknesses, and one of the adjusting plates is selected to be detachably connected to the first connecting member.
- the present invention provides a freight train chassis, the first connecting member has a U-shaped groove, the U-shaped groove is disposed along the length direction of the freight train, an opening direction of the U-shaped groove is perpendicular to an axis of the profile hole, the U-shaped groove is in communication with the profile hole, the second connecting member is inserted into the U-shaped groove, and the connecting shaft sequentially passes through the profile hole on one side of the U-shaped groove, the circular hole and the profile hole on the other side of the U-shaped groove to connect the first connecting member and the second connecting member.
- the present invention provides a freight train chassis, and the adjusting plate is located at a bottom of the U-shaped groove.
- the present invention provides a freight train chassis
- the first chassis module includes two side beams, a sleeper beam, an end beam and at least one first crossbeam, and the two side beams are oppositely disposed parallel to the length direction of the freight train; and the sleeper beam, the end beam and the at least one first crossbeam are located between the two side beams, and two ends of the sleeper beam are respectively connected to the two side beams, two ends of the end beam are respectively connected to the two side beams, and two ends of the at least one first crossbeam are respectively connected to the two side beams.
- the present invention provides a freight train chassis, the first connecting member and/or the second connecting member are located on end surfaces of the two side beams perpendicular to the length direction of the freight train, and is connected to one end of the two side beams which is connected to the second chassis module.
- the present invention provides a freight train chassis, a thickness of one end of each side beam of the side beams which is not connected to the second chassis module in a vertical direction is smaller than a thickness of one end of the side beam which is connected to the second chassis module in the vertical direction.
- the present invention provides a freight train chassis
- the second chassis module includes two boundary beams and a plurality of second crossbeams; the two boundary beams are disposed opposite to each other in a direction parallel to the length direction of the freight train, and the plurality of second crossbeams are disposed between the two boundary beams and are connected to sides, opposite to each other, of the two boundary beams.
- the present invention provides a freight train chassis, and the first connecting member and/or the second connecting member are located on end surfaces of the two boundary beams perpendicular to the length direction of the freight train.
- the present invention provides a freight train chassis, a thickness of each boundary beam of the boundary beams in a vertical direction is equal to the thickness of one end of the crossbeam which is connected to the second chassis module in the vertical direction.
- the present invention provides a freight train chassis, and both the side beams and the boundary beams are -shaped steel or H-shaped steel.
- the present invention provides a freight train chassis.
- the freight train chassis further includes a locking member, the number of the locking member is plural, and both the first chassis module and the second chassis module are provided with the locking members, and the locking members are used to fix goods.
- the present invention provides a freight train.
- the freight train includes the freight train chassis of the first aspect of the present invention.
- the present invention provides a freight train.
- the freight train further includes a coupler buffer device, where the coupler buffer device is disposed on the first chassis module.
- the present invention provides a freight train.
- the freight train further includes a bogie, where the bogie is connected to a bottom of the first chassis module.
- the present invention provides a freight train.
- the freight train further includes an upper center plate, disposed at the bottom of the first chassis module, where the upper center plate is used to connect to the bogie and the first chassis module.
- the freight train chassis and the freight train provided by the present invention provide a first chassis module, a plurality of connecting modules and at least one second chassis module, where the first chassis module and the second chassis module are disposed along a length direction of a freight train, the second chassis module is connected to the first chassis module by the connecting module, and the second chassis modules are connected by the connecting module.
- the number of the second chassis module can be adjusted as required for different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate of the freight train, and improves the transportation efficiency and transportation volume of railway transportation.
- the vehicle chassis of the freight train mainly adopts the welded overall structure, and the size of the vehicle chassis is mainly manufactured according to relevant standard rules.
- the size of the vehicle chassis of the freight train is fixed after the production of the vehicle chassis is completed.
- FIG. 1 is a schematic view showing an overall structure of a freight train chassis provided by the present invention.
- FIG. 2a is a schematic view of a structure of a freight train chassis connected with a plurality of second chassis modules provided by the present invention.
- FIG. 2b is a schematic view of a structure of a freight train chassis connected with a single second chassis module provided by the present invention.
- FIG. 2c is a schematic view of a structure of a freight train chassis not connected with a second chassis module provided by the present invention.
- FIG. 3 is a schematic view showing an overall structure of a connecting module of the freight train chassis provided by the present invention.
- FIG. 4 is a cross-sectional view of a connecting module of a freight train chassis provided by the present invention.
- FIG. 5 is a schematic view of a structure of a first chassis module of a freight train chassis provided by the present invention.
- FIG. 6 is a partial enlarged view of one end of a first chassis module of a freight train chassis connected to a second chassis module provided by the present invention.
- FIG. 7 is a schematic view showing an overall structure of a second chassis module of a freight train chassis provided by the present invention.
- the freight train chassis 1 includes a first chassis module 110, a plurality of connecting modules 130 and at least one second chassis module 120.
- the first chassis module 110 and the second chassis module 120 are disposed along a length direction of a freight train, the second chassis module 120 is connected to the first chassis module 110 by the connecting module 130, and the second chassis modules 120 are connected by the connecting module 130.
- a first chassis module, a plurality of connecting modules and at least one second chassis module are provided, where the first chassis module and the second chassis module are disposed along a length direction of the freight train, the second chassis module is connected to the first chassis module by the connecting modules, and the second chassis modules are connected by the connecting modules.
- the number of the second chassis module can be adjusted according to the needs of different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate of the freight train, and improves the transportation efficiency and transportation volume of railway transportation.
- FIG. 2a is a schematic view of a structure of a freight train chassis connected with a plurality of second chassis modules provided by the present invention
- FIG. 2b is a schematic view of a structure of a freight train chassis connected with a single second chassis module provided by the present invention
- FIG. 2c is a schematic view of a structure of a freight train chassis not connected with a second chassis module provided by the present invention.
- the plurality of second chassis modules 120 are connected to each other through the connection module 130, then, they are connected to the first chassis module 110 through the connection module 130.
- the length of the freight train chassis 1 can be adjusted to accommodate different sizes and lengths of goods.
- the freight train chassis 1 provided in the present embodiment may comprise only two first chassis modules 110 connected through the connecting module 130. In this way, in the case that the length of the train chassis is fixed, for the small-sized goods, the space of the train chassis is too large, space waste is avoided, and the space utilization rate of the freight train and the transportation volume of the freight train are improved.
- the second chassis module 120 is connected to the first chassis module 110 by at least two connecting modules 130, and the second chassis modules 120 are connected by the at least two connecting modules 130.
- the at least two connecting modules 130 may be disposed on an end surface of the second chassis module 120 perpendicular to the length direction of the freight train, and the at least two connecting modules 130 may be disposed in parallel with each other on the end surface of the second chassis module 120, and the at least two connecting modules 130 may also be disposed at opposite corners of the end surface of the second chassis module 120.
- the connecting module 130 is connected to the first chassis module 110.
- the connecting module 130 may also be disposed on the end surface of the first chassis module 110 perpendicular to the length direction of the freight train, and the connecting module 130 is connected to the second chassis module 120.
- four connecting modules 130 may be set, and the four connecting modules 130 are disposed on four corners of the end surface of the second connecting module 120 perpendicular to the length direction of the freight train; or, the four connecting modules 130 are disposed on four corners of the end surface of the first connecting module 110 perpendicular to the length direction of the freight train.
- the number of the connecting module is set to four, which increases the rigidity and stability of the connection surface, improves the rigidity of the overall vertical direction of the frame, and further increases the bearing capacity of the freight train chassis.
- the connecting module 130 includes a first connecting member 131, a second connecting member 132, a connecting shaft 133 and a tensioner 134, where a profile hole 1311 matching the tensioner 134 is disposed on the first connecting member 131, a circular hole 1321 is disposed on the second connecting member 132, the connecting shaft 133 passes through the profile hole 1311 and the circular hole 1321 to connect the first connecting member 131 and the second connecting member 132, and the tensioner 134 is used to be inserted into the profile hole 1311 and abutted against the connecting shaft 133 so that the first connecting member 131 is rigidly connected with the second connecting member 132; and
- the first connecting member 131 and/or the second connecting member 132 are connected to the first chassis module 110; and the first connecting member 131 and/or the second connecting member 132 are connected to the second chassis module 120.
- the tensioner 134 is a wedge block
- the connecting shaft 133 has a slope matching the wedge block, and when the tensioner 134 is inserted into the profile hole 1311, the wedge block is abutted against the slope; and both of the number of the slope and the number of the wedge block are at least two, and the two slopes are respectively located on two ends of the connecting shaft 133 or are respectively located on opposite sides of a same end of the connecting shaft 133.
- the slope of the connecting shaft 133 is disposed on the slope side of the connecting shaft 133 is disposed perpendicular to the diametrical direction along the length of the freight train and away from one side of the first connecting member 131, and the spacing between the slope of the connecting shaft 133 and the inner wall of the profile hole 1311 gradually decreases from the both ends to the center of the connecting shaft 133.
- the tensioner 134 is inserted into the profile hole 1311, the tensioner 134 and the slope of the connecting shaft 133 are abutted against each other, thereby pushing the connecting shaft 133 to move in the direction indicated by the arrow in FIG.
- the connecting shaft 133 may be a pin.
- the present embodiment provides a freight train chassis.
- the connecting module 130 further includes an adjusting plate 135, the adjusting plate 135 has an adjustable thickness, and the adjusting plate 135 is used to be abutted against the second connecting member 132 when the tensioner 134 is inserted into the profile hole 1311.
- the connecting shaft 133 drives the second connecting member 132 to move and abuts on the adjusting plate 135, and a pre-tightening force is generated between the adjusting plate 135 and the second connecting member 132, so that the first connecting member 131 and the second connecting member 132 are rigidly connected.
- the adjusting plate by providing the adjusting plate, the accurate alignment between the profile hole on the first connecting member and the circular hole on the second connecting member can be guaranteed, which improves the efficiency of connection installation between the first chassis module and the second chassis module, and increases the rigidity of the connection of the first connecting member and the second connecting member.
- the number of the adjusting plate 135 is plural, the plurality of adjusting plates 135 have different thicknesses, and one of the adjusting plates 135 is selected to be detachably connected to the first connecting member 130.
- the adjusting plate 135 may be fixed to the first connecting member 131 by bolts.
- the thickness of the adjusting plate 135 can be adjusted by replacing the adjusting plates 135 with different thicknesses after disassembly.
- the materials of the first connecting member 131 and the second connecting member 132 may be forged steel, or the materials of the first connecting member 131 and the second connecting member 132 may be rolled steel; of course, the material of one of the first connecting member 131 and the second connecting member 132 may be forged steel and the material of the other one is rolled steel.
- the present embodiment provides a freight train chassis.
- the first connecting member 131 has a U-shaped groove, the U-shaped groove is disposed along the length direction of the freight train, an opening direction of the U-shaped groove is perpendicular to an axis of the profile hole 1311, and the U-shaped groove is in communication with the profile hole 1311.
- the second connecting member 132 is inserted into the U-shaped groove, and the connecting shaft 133 sequentially passes through the profile hole 1311 on one side of the U-shaped groove, the circular hole 1321 and the profile hole 1311 on the other side of the U-shaped groove to connect the first connecting member 131 and the second connecting member 132.
- the end portion of the T-shaped structure of the second connecting member 132 along the length direction of the freight train is inserted into the U-shaped groove of the first connecting member 131, and is abutted against the U-shaped groove.
- the end portion of the T-shaped structure of the second connecting member 132 perpendicular to the length direction of the freight train is connected to the first chassis module 110 or the second chassis module 120.
- the adjusting plate 135 is located at a bottom of the U-shaped groove.
- the adjusting plate 135 and the inner wall of the U-shaped groove perpendicular to the length direction of the freight train are detachably connected by bolts, screws, or the like.
- the present embodiment provides a freight train chassis.
- the first chassis module 110 includes two side beams 111, a sleeper beam 112, an end beam 113 and at least one first crossbeam 114, and the two side beams 111 are oppositely disposed parallel to the length direction of the freight train; and the sleeper beam 112, the end beam 113 and the at least one first crossbeam 114 are located between the two side beams 111, two ends of the sleeper beam 112 are respectively connected to the two side beams 111, two ends of the end beam 113 are respectively connected to the two side beams 111, and two ends of the at least one first crossbeam 114 are respectively connected to the two side beams 111.
- the plurality of the first crossbeams 114 may be disposed, referring to FIG. 5 , for example, three first crossbeam 114s are disposed, of course, other numbers may be set for the crossbeam 114, which is not specifically limited in the present embodiment.
- the present embodiment provides a freight train chassis.
- the first connecting member 131 and/or the second connecting member 132 are located on end surfaces of the two side beams 111 perpendicular to the length direction of the freight train, and are connected to one end of the two side beams 111 which is connected to the second chassis module 120.
- one end of the two side beams 111 connected to the second chassis module 120 is formed with four corners, and each of two of the four corners is provided with the first connecting member 131 diagonally, and each of the other two corners is provided with the second connecting member 132 diagonally.
- the number of the first connecting members 131 and the number of the second connecting members 132 are both set as four, where, for the first chassis module 110, two first connecting members 131 are disposed on the first chassis module 110, and two second connecting members 132 are also disposed on the first chassis module 110.
- first connecting members 131 in the present embodiment may also be all disposed on the first chassis module 110, at the same time, four second connecting members 132 may also be all disposed on the second chassis module 120; in another alternative implementation, the position of the first connecting members 131 and the position of the second connecting members 132 are also interchangeable.
- the interchange of the position of the first connecting members 131 and the position of the second connecting members 132 may be not only an interchange between on the first chassis module 110 and on the second chassis module 120, but also may also be an interchange of positions on the four corners provided on the first chassis module 110 or the second chassis module 120; for example, in an alternative implementation, the first connecting member 131 may be disposed on two corners of the four corners of the first chassis module 110 as shown in FIG. 5 and FIG. 6 at the top of the first chassis module 110.
- one end of the first chassis module 110 connected to the second chassis module 120 is disposed as four corners, and the number of the first connecting member 131 and the number of the second connecting member 132 are both set as four, the four connecting modules 130 are separated on four corners.
- the vertical rigidity of the first chassis module and the second chassis module is improved, and the stability of the connection surface is increased.
- the present embodiment provides a freight train chassis.
- the thickness of one end of each side beam of the side beams 111 which is not connected to the second chassis module 120 in the vertical direction is smaller than the thickness of one end of the side beams 111 which is connected to the second chassis module 120 in the vertical direction.
- the thickness D2 of the side beams 111 is greater than the thickness D1. In this way, setting the thickness D2 greater than the thickness D1 for the side beams 111 improves the rigidity and load bearing capacity of the joint between the first chassis module 110 and the second chassis module 120.
- the present embodiment provides a freight train chassis.
- the second chassis module 120 includes two boundary beams 121 and a plurality of second crossbeams 122; the two boundary beams 121 are disposed opposite to each other in the direction parallel to the length direction of the freight train, and the plurality of second crossbeams 122 are disposed between the two boundary beams 121 and are connected to sides, opposite to each other, of the two boundary beams 121.
- the second crossbeams 122 may be a plurality of second crossbeams uniformly disposed along the length direction of the freight train.
- at least three second crossbeams 122 can be disposed.
- the case where five second crossbeams 122 are disposed is shown in FIG. 7 , where three second crossbeams 122 are disposed at the top of the boundary beam 121, and the other two second crossbeams 122 are disposed at the bottom of the boundary beam 121 and located at both ends of the boundary beam 121 along the length direction of the freight train. In this way, the number of the second crossbeams to be used can be saved while increasing the rigidity of the second chassis module.
- the first connecting member 131 and/or the second connecting member 132 are located on end surfaces of the two boundary beams 121 perpendicular to the length direction of the freight train.
- the thickness of the boundary beam 121 in the vertical direction is equal to the thickness of the end of the crossbeam 111 connected to the second chassis module 120 in the vertical direction.
- the thickness D3 of the boundary beams 121 is equal to the thickness D2 of the crossbeam 111. In this way, the rigidity and load bearing capacity after the boundary beams 121 being connected to the crossbeam 111 are improved.
- both the side beams 111 and the boundary beams 121 are -shaped steel or H-shaped steel.
- both the side beams 111 and the boundary beams 121 can be the -shaped steel or the H-shaped steel, of course, the side beams 111 may be the -shaped steel and the boundary beams 121 may be the H-shaped steel, and vice versa.
- the side beams 111 and the boundary beams 121 are arranged as the -shaped steel or the H-shaped steel, which increases the cross-sectional dimension of the steel section and improves the overall rigidity of the freight train chassis.
- the present invention provides a freight train chassis.
- the freight train chassis further includes a locking member 140, the number of the locking member 140 is plural, both the first chassis module 110 and the second chassis module 120 are provided with the locking members 140, and the locking members 140 are used to fix goods.
- the locking members 140 may be disposed on the side beams 111 and the boundary beams 121, the locking member 140 may be uniformly disposed on the side beams 111 and may be uniformly disposed on the boundary beams 121, and fixedly connected to the side beams 111 and the boundary beams 121.
- the locking members 140 may also be slidably connected to the side beams 111 and the boundary beams 121.
- the plurality of locking member can use different cargo sizes to fix the goods in a targeted manner.
- a first chassis module, a plurality of connecting modules and at least one second chassis module are provided, the first chassis module and the second chassis module are disposed along a length direction of a freight train, the second chassis module is connected to the first chassis module by the connecting modules, and the second chassis modules are connected by the connecting modules.
- the number of the second chassis module can be adjusted as required for different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate thereof, and improves the transportation efficiency and transportation volume of railway transportation.
- FIG. 8 is a schematic view showing an overall structure of a freight train provided by the present invention.
- FIG. 9 is a schematic view of a structure of another perspective view of a first chassis module of a freight train chassis provided by the present invention.
- an embodiment of the second aspect of the present invention provides a freight train.
- the freight train includes the freight train chassis 1 of the first aspect of the present invention.
- the present embodiment provides a freight train.
- the freight train further includes a coupler buffer device 2, and the coupler buffer device 2 is disposed on the first chassis module 110.
- the coupler buffer device 2 may be disposed at one end of the first chassis module 110 which is not connected to the second chassis module 120.
- the coupler buffer device 2 is used to connect to the coupler buffer device 2 provided on other freight train chassis 1 of the freight train.
- the present embodiment provides a freight train.
- the freight train further includes a bogie 3, and the bogie 3 is connected to a bottom of the first chassis module 110.
- the bogie 3 can be disposed at the bottom of the one end frame of the first chassis module 110 having the thickness D1, so that the bogie can support the first chassis module 110 and improve the bearing capacity of the first chassis module.
- the present embodiment provides a freight train.
- the freight train further includes an upper center plate 1153, the upper center plate 1153 is disposed at a bottom of the first chassis module 110, and the upper center plate 1153 is used to connect to the bogie 3 and the first chassis module 110.
- the present embodiment provides a freight train.
- the first chassis module 110 further includes a center beam 115.
- the center beam 115 is a box-shaped structure welded by a plate, and a front coupler seat 1151 and a rear coupler seat 1152 are disposed inside the center beam 115 of the box structure.
- the front coupler seat 1151 is located at one end of the box structure facing away from the second chassis module 120
- the rear coupler seat 1152 is located at one end of the box structure adjacent to the second chassis module 120.
- the coupler buffer device 2 is disposed between the front coupler seat 1151 and the rear coupler seat 1152, and a portion of the coupler buffer device 2 protrudes from an end of the first chassis module 110 that is not connected to the second chassis module 120.
- the upper center plate 1152 may be disposed at the bottom of the center beam 115, and connected to the bogie 3.
- the specific structures, of the coupler buffer device 2 and the bogie 3 in the present embodiment can be referred to the structural arrangements of the coupler buffer device and the bogie in the art, which will not be described in detail in the present embodiment.
- the freight train provided by the present invention provides a first chassis module, a plurality of connecting modules and at least one second chassis module, the first chassis module and the second chassis module are disposed along the length direction of the freight train, the second chassis module is connected to the first chassis module by the connecting modules, and the second chassis modules are connected by the connecting modules.
- the number of the second chassis module can be adjusted as required for different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate thereof, and improves the transportation efficiency and transportation volume of railway transportation.
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Abstract
Description
- The present invention relates to a technical field of freight train, in particular, to a freight train chassis and a freight train.
- Railway transportation has the characteristics of fast transportation speed and large transportation volume. Therefore, a freight train has become the main means of land transportation.
- In the related art, the vehicle chassis of the freight train mainly adopts the welded overall structure, and the size of the vehicle chassis is mainly manufactured according to relevant standard rules. The size of the vehicle chassis of the freight train is fixed after the production of the vehicle chassis is completed.
- However, with the development of the railway transportation industry, the types and sizes of goods transported are increasing. For different sizes of containers, when the transportation is performed using the freight train with the fixed chassis, there may be a situation where the chassis transport space is narrow and the containers cannot be loaded, or there may be a situation where the transportation space of the chassis is too large and the transportation space is wasted, which seriously affects the transportation efficiency and transportation volume of railway transportation.
- The invention provides a freight train chassis and a freight train to solve the problem in the prior art that, when the transportation is performed using the freight train with the fixed size chassis for different sizes of containers, the space thereof cannot be effectively utilized and the railway transportation efficiency and the transportation volume thereof are affected. The freight train chassis and the freight train provided by the invention improve the adaptability of the freight train to different sizes of goods and the space utilization rate of the freight train, and improve the transportation efficiency and transportation volume of railway transportation.
- In a first aspect, the present invention provides a freight train chassis, including: a first chassis module, a plurality of connecting modules and at least one second chassis module, where the first chassis module and the second chassis module are disposed along a length direction of a freight train, the second chassis module is connected to the first chassis module by one or more connecting modules of the plurality of connecting modules, and the second chassis modules are connected by one or more connecting modules of the plurality of connecting modules.
- As an alternative embodiment, the present invention provides a freight train chassis, the second chassis module is connected to the first chassis module by at least two of the plurality of connecting modules, and the second chassis modules are connected by at least two of the plurality of connecting modules.
- As an alternative embodiment, the present invention provides a freight train chassis, the connecting module includes a first connecting member, a second connecting member, a connecting shaft and a tensioner, where a profile hole matching the tensioner is disposed on the first connecting member and a circular hole is disposed on the second connecting member, the connecting shaft passes through the profile hole and the circular hole to connect the first connecting member and the second connecting member, the tensioner is used to be inserted into the profile hole and abutted against the connecting shaft, so that the first connecting member is rigidly connected with the second connecting member; and
the first connecting member and/or the second connecting member are connected to the first chassis module; and the first connecting member and/or the second connecting member are connected to the second chassis module. - As an alternative embodiment, the present invention provides a freight train chassis, the tensioner is a wedge block, the connecting shaft has a slope matching the wedge block, and when the tensioner is inserted into the profile hole, the wedge block is abutted against the slope; and
both of the number of the slope and the number of the wedge block are at least two, and the two slopes are respectively located on two ends of the connecting shaft or are respectively located on opposite sides of a same end of the connecting shaft. - As an alternative embodiment, the present invention provides a freight train chassis, the connecting module further includes an adjusting plate, and the adjusting plate has an adjustable thickness, the adjusting plate is used to be abutted against the second connecting member when the tensioner is inserted into the profile hole.
- As an alternative embodiment, the present invention provides a freight train chassis, the number of the adjusting plate is plural, and the plurality of adjusting plates have different thicknesses, and one of the adjusting plates is selected to be detachably connected to the first connecting member.
- As an alternative embodiment, the present invention provides a freight train chassis, the first connecting member has a U-shaped groove, the U-shaped groove is disposed along the length direction of the freight train, an opening direction of the U-shaped groove is perpendicular to an axis of the profile hole, the U-shaped groove is in communication with the profile hole, the second connecting member is inserted into the U-shaped groove, and the connecting shaft sequentially passes through the profile hole on one side of the U-shaped groove, the circular hole and the profile hole on the other side of the U-shaped groove to connect the first connecting member and the second connecting member.
- As an alternative embodiment, the present invention provides a freight train chassis, and the adjusting plate is located at a bottom of the U-shaped groove.
- As an alternative embodiment, the present invention provides a freight train chassis, the first chassis module includes two side beams, a sleeper beam, an end beam and at least one first crossbeam, and the two side beams are oppositely disposed parallel to the length direction of the freight train; and
the sleeper beam, the end beam and the at least one first crossbeam are located between the two side beams, and two ends of the sleeper beam are respectively connected to the two side beams, two ends of the end beam are respectively connected to the two side beams, and two ends of the at least one first crossbeam are respectively connected to the two side beams. - As an alternative embodiment, the present invention provides a freight train chassis, the first connecting member and/or the second connecting member are located on end surfaces of the two side beams perpendicular to the length direction of the freight train, and is connected to one end of the two side beams which is connected to the second chassis module.
- As an alternative embodiment, the present invention provides a freight train chassis, a thickness of one end of each side beam of the side beams which is not connected to the second chassis module in a vertical direction is smaller than a thickness of one end of the side beam which is connected to the second chassis module in the vertical direction.
- As an alternative embodiment, the present invention provides a freight train chassis, the second chassis module includes two boundary beams and a plurality of second crossbeams; the two boundary beams are disposed opposite to each other in a direction parallel to the length direction of the freight train, and the plurality of second crossbeams are disposed between the two boundary beams and are connected to sides, opposite to each other, of the two boundary beams.
- As an alternative embodiment, the present invention provides a freight train chassis, and the first connecting member and/or the second connecting member are located on end surfaces of the two boundary beams perpendicular to the length direction of the freight train.
- As an alternative embodiment, the present invention provides a freight train chassis, a thickness of each boundary beam of the boundary beams in a vertical direction is equal to the thickness of one end of the crossbeam which is connected to the second chassis module in the vertical direction.
-
- As an alternative embodiment, the present invention provides a freight train chassis. The freight train chassis further includes a locking member, the number of the locking member is plural, and both the first chassis module and the second chassis module are provided with the locking members, and the locking members are used to fix goods.
- In the second aspect, the present invention provides a freight train. The freight train includes the freight train chassis of the first aspect of the present invention.
- As an alternative embodiment, the present invention provides a freight train. The freight train further includes a coupler buffer device, where the coupler buffer device is disposed on the first chassis module.
- As an alternative embodiment, the present invention provides a freight train. The freight train further includes a bogie, where the bogie is connected to a bottom of the first chassis module.
- As an alternative embodiment, the present invention provides a freight train. The freight train further includes an upper center plate, disposed at the bottom of the first chassis module, where the upper center plate is used to connect to the bogie and the first chassis module.
- The freight train chassis and the freight train provided by the present invention provide a first chassis module, a plurality of connecting modules and at least one second chassis module, where the first chassis module and the second chassis module are disposed along a length direction of a freight train, the second chassis module is connected to the first chassis module by the connecting module, and the second chassis modules are connected by the connecting module. In this way, the number of the second chassis module can be adjusted as required for different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate of the freight train, and improves the transportation efficiency and transportation volume of railway transportation.
- In order to more clearly illustrate embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative efforts.
-
FIG. 1 is a schematic view showing an overall structure of a freight train chassis provided by the present invention; -
FIG. 2a is a schematic view of a structure of a freight train chassis connected with a plurality of second chassis modules provided by the present invention; -
FIG. 2b is a schematic view of a structure of a freight train chassis connected with a single second chassis module provided by the present invention; -
FIG. 2c is a schematic view of a structure of a freight train chassis not connected with a second chassis module provided by the present invention; -
FIG. 3 is a schematic view showing an overall structure of a connecting module of the freight train chassis provided by the present invention; -
FIG. 4 is a cross-sectional view of a connecting module of a freight train chassis provided by the present invention; -
FIG. 5 is a schematic view of a structure of a first chassis module of a freight train chassis provided by the present invention; -
FIG. 6 is a partial enlarged view of one end of a first chassis module of a freight train chassis connected to a second chassis module provided by the present invention; -
FIG. 7 is a schematic view showing an overall structure of a second chassis module of a freight train chassis provided by the present invention; -
FIG. 8 is a schematic view showing an overall structure of a freight train provided by the present invention; and -
FIG. 9 is a schematic view of a structure of another perspective view of a first chassis module of a freight train chassis provided by the present invention. - The reference numerals in the figures indicate:
- 1-Freight train chassis;
- 110-First chassis module;
- 111-Side beam; 112-Sleeper beam; 113-End beam;
- 114-First crossbeam; 115-Center beam;
- 1151-Front coupler seat; 1152-Rear coupler seat; 1153-Upper center plate;
- 120-Second chassis module;
- 121-Boundary beam; 122-Second crossbeam;
- 130-Connecting module;
- 131-First connecting member;
- 1311-Profile hole;
- 132-Second connecting member;
- 1321-Circular hole;
- 133-Connecting shaft; 134-Tensioner; 135-Adjusting plate;
- 140-Locking member;
- 2-Coupler buffer device; and
- 3-Bogie.
- In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is apparent that the described embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the protection scope of the present invention.
- Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The same numbers refer to the same or similar elements in the different figures unless otherwise indicated when the following description refers to the drawings.
- In the related art, the vehicle chassis of the freight train mainly adopts the welded overall structure, and the size of the vehicle chassis is mainly manufactured according to relevant standard rules. The size of the vehicle chassis of the freight train is fixed after the production of the vehicle chassis is completed.
- However, with the development of the railway transportation industry, the types and sizes of goods transported are increasing. For different sizes of containers, when the transportation is performed using the freight train with the fixed chassis, there may be a situation where the chassis transport space is narrow and the containers cannot be loaded, or there may be a situation where the transportation space of the chassis is too large and the transportation space is wasted, which seriously affects the transportation efficiency and transportation volume of railway transportation.
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FIG. 1 is a schematic view showing an overall structure of a freight train chassis provided by the present invention.FIG. 2a is a schematic view of a structure of a freight train chassis connected with a plurality of second chassis modules provided by the present invention.FIG. 2b is a schematic view of a structure of a freight train chassis connected with a single second chassis module provided by the present invention.FIG. 2c is a schematic view of a structure of a freight train chassis not connected with a second chassis module provided by the present invention.FIG. 3 is a schematic view showing an overall structure of a connecting module of the freight train chassis provided by the present invention.FIG. 4 is a cross-sectional view of a connecting module of a freight train chassis provided by the present invention.FIG. 5 is a schematic view of a structure of a first chassis module of a freight train chassis provided by the present invention.FIG. 6 is a partial enlarged view of one end of a first chassis module of a freight train chassis connected to a second chassis module provided by the present invention.FIG. 7 is a schematic view showing an overall structure of a second chassis module of a freight train chassis provided by the present invention. - An embodiment of the present invention according to a first aspect provides a
freight train chassis 1, referring toFIG. 1 to FIG. 7 , thefreight train chassis 1 includes afirst chassis module 110, a plurality of connectingmodules 130 and at least onesecond chassis module 120. Thefirst chassis module 110 and thesecond chassis module 120 are disposed along a length direction of a freight train, thesecond chassis module 120 is connected to thefirst chassis module 110 by the connectingmodule 130, and thesecond chassis modules 120 are connected by the connectingmodule 130. - In the freight train chassis and the freight train provided by the present invention, a first chassis module, a plurality of connecting modules and at least one second chassis module are provided, where the first chassis module and the second chassis module are disposed along a length direction of the freight train, the second chassis module is connected to the first chassis module by the connecting modules, and the second chassis modules are connected by the connecting modules. In this way, the number of the second chassis module can be adjusted according to the needs of different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate of the freight train, and improves the transportation efficiency and transportation volume of railway transportation.
- Specifically, referring to
FIG. 2a to FIG. 2c, FIG. 2a is a schematic view of a structure of a freight train chassis connected with a plurality of second chassis modules provided by the present invention,FIG. 2b is a schematic view of a structure of a freight train chassis connected with a single second chassis module provided by the present invention, andFIG. 2c is a schematic view of a structure of a freight train chassis not connected with a second chassis module provided by the present invention. In thefreight train chassis 1 provided by the present embodiment, in order to accommodate different sizes and lengths of goods or containers, the plurality ofsecond chassis modules 120 are connected to each other through theconnection module 130, then, they are connected to thefirst chassis module 110 through theconnection module 130. In this way, the length of thefreight train chassis 1 can be adjusted to accommodate different sizes and lengths of goods. Optionally, referring toFIG. 2c , when the size of the goods is short, thefreight train chassis 1 provided in the present embodiment may comprise only twofirst chassis modules 110 connected through the connectingmodule 130. In this way, in the case that the length of the train chassis is fixed, for the small-sized goods, the space of the train chassis is too large, space waste is avoided, and the space utilization rate of the freight train and the transportation volume of the freight train are improved. - Optionally, in the freight train chassis provided in the present embodiment, the
second chassis module 120 is connected to thefirst chassis module 110 by at least two connectingmodules 130, and thesecond chassis modules 120 are connected by the at least two connectingmodules 130. - Specifically, referring to
FIG. 5 to FIG. 7 , in the present embodiment, the at least two connectingmodules 130 may be disposed on an end surface of thesecond chassis module 120 perpendicular to the length direction of the freight train, and the at least two connectingmodules 130 may be disposed in parallel with each other on the end surface of thesecond chassis module 120, and the at least two connectingmodules 130 may also be disposed at opposite corners of the end surface of thesecond chassis module 120. The connectingmodule 130 is connected to thefirst chassis module 110. Optionally, in the present embodiment, the connectingmodule 130 may also be disposed on the end surface of thefirst chassis module 110 perpendicular to the length direction of the freight train, and the connectingmodule 130 is connected to thesecond chassis module 120. Optionally, in the present embodiment, four connectingmodules 130 may be set, and the four connectingmodules 130 are disposed on four corners of the end surface of the second connectingmodule 120 perpendicular to the length direction of the freight train; or, the four connectingmodules 130 are disposed on four corners of the end surface of the first connectingmodule 110 perpendicular to the length direction of the freight train. In the present embodiment, the number of the connecting module is set to four, which increases the rigidity and stability of the connection surface, improves the rigidity of the overall vertical direction of the frame, and further increases the bearing capacity of the freight train chassis. - Optionally, referring to
FIG. 3 andFIG. 4 , the present embodiment provides a freight train chassis. The connectingmodule 130 includes a first connectingmember 131, a second connectingmember 132, a connectingshaft 133 and atensioner 134, where aprofile hole 1311 matching thetensioner 134 is disposed on the first connectingmember 131, acircular hole 1321 is disposed on the second connectingmember 132, the connectingshaft 133 passes through theprofile hole 1311 and thecircular hole 1321 to connect the first connectingmember 131 and the second connectingmember 132, and thetensioner 134 is used to be inserted into theprofile hole 1311 and abutted against the connectingshaft 133 so that the first connectingmember 131 is rigidly connected with the second connectingmember 132; and - The first connecting
member 131 and/or the second connectingmember 132 are connected to thefirst chassis module 110; and the first connectingmember 131 and/or the second connectingmember 132 are connected to thesecond chassis module 120. - Specifically, referring to
FIG. 5 , in the present embodiment, thetensioner 134 is a wedge block, the connectingshaft 133 has a slope matching the wedge block, and when thetensioner 134 is inserted into theprofile hole 1311, the wedge block is abutted against the slope; and
both of the number of the slope and the number of the wedge block are at least two, and the two slopes are respectively located on two ends of the connectingshaft 133 or are respectively located on opposite sides of a same end of the connectingshaft 133. - Specifically, referring to
FIG. 5 , in the present embodiment, the slope of the connectingshaft 133 is disposed on the slope side of the connectingshaft 133 is disposed perpendicular to the diametrical direction along the length of the freight train and away from one side of the first connectingmember 131, and the spacing between the slope of the connectingshaft 133 and the inner wall of theprofile hole 1311 gradually decreases from the both ends to the center of the connectingshaft 133. In this way, after thetensioner 134 is inserted into theprofile hole 1311, thetensioner 134 and the slope of the connectingshaft 133 are abutted against each other, thereby pushing the connectingshaft 133 to move in the direction indicated by the arrow inFIG. 5 , thereby abutting the end of the second connectingmember 132 against the first connectingmember 131, which achieves a rigid connection between the first connectingmember 131 and the second connectingmember 132. Optionally, in the present embodiment, the connectingshaft 133 may be a pin. - In further, referring to
FIG. 3 andFIG. 4 , the present embodiment provides a freight train chassis. The connectingmodule 130 further includes an adjustingplate 135, the adjustingplate 135 has an adjustable thickness, and the adjustingplate 135 is used to be abutted against the second connectingmember 132 when thetensioner 134 is inserted into theprofile hole 1311. - Specifically, referring to
FIG. 4 , in the present embodiment, after thetensioner 134 is inserted into theprofile hole 1311, the connectingshaft 133 drives the second connectingmember 132 to move and abuts on the adjustingplate 135, and a pre-tightening force is generated between the adjustingplate 135 and the second connectingmember 132, so that the first connectingmember 131 and the second connectingmember 132 are rigidly connected. In the present embodiment, by providing the adjusting plate, the accurate alignment between the profile hole on the first connecting member and the circular hole on the second connecting member can be guaranteed, which improves the efficiency of connection installation between the first chassis module and the second chassis module, and increases the rigidity of the connection of the first connecting member and the second connecting member. - In further, in the present implementation, the number of the adjusting
plate 135 is plural, the plurality of adjustingplates 135 have different thicknesses, and one of the adjustingplates 135 is selected to be detachably connected to the first connectingmember 130. - Specifically, referring to
FIG. 3 , in the present embodiment, the adjustingplate 135 may be fixed to the first connectingmember 131 by bolts. In the present embodiment, the thickness of the adjustingplate 135 can be adjusted by replacing the adjustingplates 135 with different thicknesses after disassembly. Optionally, in the present embodiment, in order to increase the rigidity of the first connectingmember 131 and the second connectingmember 132, the materials of the first connectingmember 131 and the second connectingmember 132 may be forged steel, or the materials of the first connectingmember 131 and the second connectingmember 132 may be rolled steel; of course, the material of one of the first connectingmember 131 and the second connectingmember 132 may be forged steel and the material of the other one is rolled steel. - Optionally, referring to
FIG. 3 andFIG. 4 , the present embodiment provides a freight train chassis. The first connectingmember 131 has a U-shaped groove, the U-shaped groove is disposed along the length direction of the freight train, an opening direction of the U-shaped groove is perpendicular to an axis of theprofile hole 1311, and the U-shaped groove is in communication with theprofile hole 1311. The second connectingmember 132 is inserted into the U-shaped groove, and the connectingshaft 133 sequentially passes through theprofile hole 1311 on one side of the U-shaped groove, thecircular hole 1321 and theprofile hole 1311 on the other side of the U-shaped groove to connect the first connectingmember 131 and the second connectingmember 132. - Specifically, referring to
FIG. 3 andFIG. 4 , in the present embodiment, the end portion of the T-shaped structure of the second connectingmember 132 along the length direction of the freight train is inserted into the U-shaped groove of the first connectingmember 131, and is abutted against the U-shaped groove. The end portion of the T-shaped structure of the second connectingmember 132 perpendicular to the length direction of the freight train is connected to thefirst chassis module 110 or thesecond chassis module 120. - In further, in the freight train chassis provided by the present embodiment, the adjusting
plate 135 is located at a bottom of the U-shaped groove. - Specifically, the adjusting
plate 135 and the inner wall of the U-shaped groove perpendicular to the length direction of the freight train are detachably connected by bolts, screws, or the like. - Optionally, referring to
FIG. 5 , the present embodiment provides a freight train chassis. Thefirst chassis module 110 includes twoside beams 111, asleeper beam 112, anend beam 113 and at least onefirst crossbeam 114, and the twoside beams 111 are oppositely disposed parallel to the length direction of the freight train; and
thesleeper beam 112, theend beam 113 and the at least onefirst crossbeam 114 are located between the twoside beams 111, two ends of thesleeper beam 112 are respectively connected to the twoside beams 111, two ends of theend beam 113 are respectively connected to the twoside beams 111, and two ends of the at least onefirst crossbeam 114 are respectively connected to the two side beams 111. - Optionally, in the present embodiment, in order to improve the rigidity and the bearing capacity of the
first chassis module 110, the plurality of thefirst crossbeams 114 may be disposed, referring toFIG. 5 , for example, three first crossbeam 114s are disposed, of course, other numbers may be set for thecrossbeam 114, which is not specifically limited in the present embodiment. - Optionally, referring to
FIG. 5 andFIG. 6 , the present embodiment provides a freight train chassis. The first connectingmember 131 and/or the second connectingmember 132 are located on end surfaces of the twoside beams 111 perpendicular to the length direction of the freight train, and are connected to one end of the twoside beams 111 which is connected to thesecond chassis module 120. - Specifically, referring to
FIG. 5 andFIG. 6 , in the present embodiment, one end of the twoside beams 111 connected to thesecond chassis module 120 is formed with four corners, and each of two of the four corners is provided with the first connectingmember 131 diagonally, and each of the other two corners is provided with the second connectingmember 132 diagonally. In other words, in the present embodiment, the number of the first connectingmembers 131 and the number of the second connectingmembers 132 are both set as four, where, for thefirst chassis module 110, two first connectingmembers 131 are disposed on thefirst chassis module 110, and two second connectingmembers 132 are also disposed on thefirst chassis module 110. Of course, it can be understood that only one exemplary embodiment is shown inFIG. 5 andFIG. 6 , four first connectingmembers 131 in the present embodiment may also be all disposed on thefirst chassis module 110, at the same time, four second connectingmembers 132 may also be all disposed on thesecond chassis module 120; in another alternative implementation, the position of the first connectingmembers 131 and the position of the second connectingmembers 132 are also interchangeable. Here, the interchange of the position of the first connectingmembers 131 and the position of the second connectingmembers 132 may be not only an interchange between on thefirst chassis module 110 and on thesecond chassis module 120, but also may also be an interchange of positions on the four corners provided on thefirst chassis module 110 or thesecond chassis module 120; for example, in an alternative implementation, the first connectingmember 131 may be disposed on two corners of the four corners of thefirst chassis module 110 as shown inFIG. 5 andFIG. 6 at the top of thefirst chassis module 110. - In the present implementation, one end of the
first chassis module 110 connected to thesecond chassis module 120 is disposed as four corners, and the number of the first connectingmember 131 and the number of the second connectingmember 132 are both set as four, the four connectingmodules 130 are separated on four corners. The vertical rigidity of the first chassis module and the second chassis module is improved, and the stability of the connection surface is increased. - In further, referring to
FIG. 5 , the present embodiment provides a freight train chassis. The thickness of one end of each side beam of the side beams 111 which is not connected to thesecond chassis module 120 in the vertical direction is smaller than the thickness of one end of the side beams 111 which is connected to thesecond chassis module 120 in the vertical direction. - Specifically, referring to
FIG. 5 , the thickness D2 of the side beams 111 is greater than the thickness D1. In this way, setting the thickness D2 greater than the thickness D1 for the side beams 111 improves the rigidity and load bearing capacity of the joint between thefirst chassis module 110 and thesecond chassis module 120. - Optionally, referring to
FIG. 7 , the present embodiment provides a freight train chassis. Thesecond chassis module 120 includes twoboundary beams 121 and a plurality ofsecond crossbeams 122; the twoboundary beams 121 are disposed opposite to each other in the direction parallel to the length direction of the freight train, and the plurality ofsecond crossbeams 122 are disposed between the twoboundary beams 121 and are connected to sides, opposite to each other, of the two boundary beams 121. - Specifically, referring to
FIG. 7 , in the present embodiment, thesecond crossbeams 122 may be a plurality of second crossbeams uniformly disposed along the length direction of the freight train. Optionally, in order to improve the rigidity and the bearing capacity of thesecond chassis modules 120, at least threesecond crossbeams 122 can be disposed. Optionally, the case where fivesecond crossbeams 122 are disposed is shown inFIG. 7 , where threesecond crossbeams 122 are disposed at the top of theboundary beam 121, and the other twosecond crossbeams 122 are disposed at the bottom of theboundary beam 121 and located at both ends of theboundary beam 121 along the length direction of the freight train. In this way, the number of the second crossbeams to be used can be saved while increasing the rigidity of the second chassis module. - Optionally, referring to
FIG. 7 , the first connectingmember 131 and/or the second connectingmember 132 are located on end surfaces of the twoboundary beams 121 perpendicular to the length direction of the freight train. - Optionally, referring to
FIG. 7 , the thickness of theboundary beam 121 in the vertical direction is equal to the thickness of the end of thecrossbeam 111 connected to thesecond chassis module 120 in the vertical direction. - Specifically, referring to
FIG. 5 andFIG. 7 , the thickness D3 of the boundary beams 121 is equal to the thickness D2 of thecrossbeam 111. In this way, the rigidity and load bearing capacity after the boundary beams 121 being connected to thecrossbeam 111 are improved. -
- Specifically, both the side beams 111 and the boundary beams 121 can be the -shaped steel or the H-shaped steel, of course, the side beams 111 may be the -shaped steel and the boundary beams 121 may be the H-shaped steel, and vice versa. In the present embodiment, the side beams 111 and the boundary beams 121 are arranged as the -shaped steel or the H-shaped steel, which increases the cross-sectional dimension of the steel section and improves the overall rigidity of the freight train chassis.
- In further, referring to
FIG. 5 andFIG. 7 , the present invention provides a freight train chassis. The freight train chassis further includes a lockingmember 140, the number of the lockingmember 140 is plural, both thefirst chassis module 110 and thesecond chassis module 120 are provided with the lockingmembers 140, and the lockingmembers 140 are used to fix goods. - Specifically, in the present embodiment, the locking
members 140 may be disposed on the side beams 111 and the boundary beams 121, the lockingmember 140 may be uniformly disposed on the side beams 111 and may be uniformly disposed on the boundary beams 121, and fixedly connected to the side beams 111 and the boundary beams 121. Of course, in the present embodiment, the lockingmembers 140 may also be slidably connected to the side beams 111 and the boundary beams 121. In the present embodiment, by providing a plurality of locking members, the plurality of locking member can use different cargo sizes to fix the goods in a targeted manner. - In the freight train chassis provided by the present invention, a first chassis module, a plurality of connecting modules and at least one second chassis module are provided, the first chassis module and the second chassis module are disposed along a length direction of a freight train, the second chassis module is connected to the first chassis module by the connecting modules, and the second chassis modules are connected by the connecting modules. In this way, the number of the second chassis module can be adjusted as required for different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate thereof, and improves the transportation efficiency and transportation volume of railway transportation.
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FIG. 8 is a schematic view showing an overall structure of a freight train provided by the present invention.FIG. 9 is a schematic view of a structure of another perspective view of a first chassis module of a freight train chassis provided by the present invention. - Referring to
FIG. 8 and FIG. 9 , an embodiment of the second aspect of the present invention provides a freight train. The freight train includes thefreight train chassis 1 of the first aspect of the present invention. - Optionally, referring to
FIG. 8 , the present embodiment provides a freight train. The freight train further includes acoupler buffer device 2, and thecoupler buffer device 2 is disposed on thefirst chassis module 110. - Specifically, in the present embodiment, the
coupler buffer device 2 may be disposed at one end of thefirst chassis module 110 which is not connected to thesecond chassis module 120. Thecoupler buffer device 2 is used to connect to thecoupler buffer device 2 provided on otherfreight train chassis 1 of the freight train. - Optionally, referring to
FIG. 8 , the present embodiment provides a freight train. The freight train further includes abogie 3, and thebogie 3 is connected to a bottom of thefirst chassis module 110. - Specifically, the
bogie 3 can be disposed at the bottom of the one end frame of thefirst chassis module 110 having the thickness D1, so that the bogie can support thefirst chassis module 110 and improve the bearing capacity of the first chassis module. - In further, referring to
FIG. 9 , the present embodiment provides a freight train. The freight train further includes anupper center plate 1153, theupper center plate 1153 is disposed at a bottom of thefirst chassis module 110, and theupper center plate 1153 is used to connect to thebogie 3 and thefirst chassis module 110. - Specifically, referring to
FIG. 9 , the present embodiment provides a freight train. Thefirst chassis module 110 further includes acenter beam 115. Optionally, thecenter beam 115 is a box-shaped structure welded by a plate, and afront coupler seat 1151 and arear coupler seat 1152 are disposed inside thecenter beam 115 of the box structure. Specifically, thefront coupler seat 1151 is located at one end of the box structure facing away from thesecond chassis module 120, and therear coupler seat 1152 is located at one end of the box structure adjacent to thesecond chassis module 120. Thecoupler buffer device 2 is disposed between thefront coupler seat 1151 and therear coupler seat 1152, and a portion of thecoupler buffer device 2 protrudes from an end of thefirst chassis module 110 that is not connected to thesecond chassis module 120. Specifically, in the present embodiment, theupper center plate 1152 may be disposed at the bottom of thecenter beam 115, and connected to thebogie 3. In the present embodiment, the specific structures, of thecoupler buffer device 2 and thebogie 3 in the present embodiment can be referred to the structural arrangements of the coupler buffer device and the bogie in the art, which will not be described in detail in the present embodiment. - The freight train provided by the present invention provides a first chassis module, a plurality of connecting modules and at least one second chassis module, the first chassis module and the second chassis module are disposed along the length direction of the freight train, the second chassis module is connected to the first chassis module by the connecting modules, and the second chassis modules are connected by the connecting modules. In this way, the number of the second chassis module can be adjusted as required for different sizes of goods or containers, thereby adjusting the length of the freight train chassis, which improves the adaptability of the freight train to different sizes of goods and the space utilization rate thereof, and improves the transportation efficiency and transportation volume of railway transportation.
- Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that the technical solutions described in the foregoing embodiments may be modified or equivalently substituted for some or all of the technical features, and the modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (20)
- A freight train chassis, comprising: a first chassis module, a plurality of connecting modules and at least one second chassis module, wherein the first chassis module and the second chassis module are disposed along a length direction of a freight train, the second chassis module is connected to the first chassis module by one or more connecting modules of the plurality of connecting modules, and the second chassis modules are connected by one or more connecting modules of the plurality of connecting modules.
- The freight train chassis according to claim 1, wherein the second chassis module is connected to the first chassis module by at least two of the plurality of connecting modules, and the second chassis modules are connected by at least two of the plurality of connecting modules.
- The freight train chassis according to claim 1, wherein the connecting module comprises a first connecting member, a second connecting member, a connecting shaft and a tensioner, wherein a profile hole matching the tensioner is disposed on the first connecting member and a circular hole is disposed on the second connecting member, the connecting shaft passes through the profile hole and the circular hole to connect the first connecting member and the second connecting member, and the tensioner is used to be inserted into the profile hole and abutted against the connecting shaft so that the first connecting member is rigidly connected with the second connecting member; and
the first connecting member and/or the second connecting member are connected to the first chassis module; and the first connecting member and/or the second connecting member are connected to the second chassis module. - The freight train chassis according to claim 3, wherein the tensioner is a wedge block, the connecting shaft has a slope matching the wedge block, and when the tensioner is inserted into the profile hole, the wedge block is abutted against the slope; and
both of the number of the slope and the number of the wedge block are at least two, and the two slopes are respectively located on two ends of the connecting shaft or are respectively located on opposite sides of a same end of the connecting shaft. - The freight train chassis according to claim 3, wherein the connecting module further comprises an adjusting plate, the adjusting plate has an adjustable thickness, and the adjusting plate is used to be abutted against the second connecting member when the tensioner is inserted into the profile hole.
- The freight train chassis according to claim 5, wherein the number of the adjusting plate is plural, and the plurality of adjusting plates have different thicknesses, and one of the adjusting plates is selected to be detachably connected to the first connecting member.
- The freight train chassis according to claim 5, wherein the first connecting member has a U-shaped groove, the U-shaped groove is disposed along the length direction of the freight train, an opening direction of the U-shaped groove is perpendicular to an axis of the profile hole, the U-shaped groove is in communication with the profile hole, the second connecting member is inserted into the U-shaped groove, and the connecting shaft sequentially passes through the profile hole on one side of the U-shaped groove, the circular hole and the profile hole on the other side of the U-shaped groove to connect the first connecting member and the second connecting member.
- The freight train chassis according to claim 7, wherein the adjusting plate is located at a bottom of the U-shaped groove.
- The freight train chassis according to claim 3, wherein the first chassis module comprises two side beams, a sleeper beam, an end beam and at least one first crossbeam, and the two side beams are oppositely disposed parallel to the length direction of the freight train; and
the sleeper beam, the end beam and the at least one first crossbeam are located between the two side beams, and two ends of the sleeper beam are respectively connected to the two side beams, two ends of the end beam are respectively connected to the two side beams, and two ends of the at least one first crossbeam are respectively connected to the two side beams. - The freight train chassis according to claim 9, wherein the first connecting member and/or the second connecting member are located on end surfaces of the two side beams perpendicular to the length direction of the freight train, and are connected to one end of the two side beams which is connected to the second chassis module.
- The freight train chassis according to claim 9, wherein a thickness of one end of each side beam of the side beams which is not connected to the second chassis module in a vertical direction is smaller than a thickness of one end of the side beam which is connected to the second chassis module in the vertical direction.
- The freight train chassis according to claim 11, wherein the second chassis module comprises two boundary beams and a plurality of second crossbeams; the two boundary beams are disposed opposite to each other in a direction parallel to the length direction of the freight train, and the plurality of second crossbeams are disposed between the two boundary beams and are connected to sides, opposite to each other, of the two boundary beams.
- The freight train chassis according to claim 12, wherein the first connecting member and/or the second connecting member are located on end surfaces of the two boundary beams perpendicular to the length direction of the freight train.
- The freight train chassis according to claim 12, wherein a thickness of each boundary beam of the boundary beams in a vertical direction is equal to the thickness of one end of the crossbeam which is connected to the second chassis module in the vertical direction.
- The freight train chassis according to any one of claims 1-15, further comprising a locking member, the number of the locking member is plural, both the first chassis module and the second chassis module are provided with the locking members, and the locking members are used to fix goods.
- A freight train, comprising: the freight train chassis according to any one of claims 1-16.
- The freight train according to claim 17, further comprising a coupler buffer device, wherein the coupler buffer device is disposed on the first chassis module.
- The freight train according to claim 17, further comprising a bogie, wherein the bogie is connected to a bottom of the first chassis module.
- The freight train according to claim 19, further comprising an upper center plate, disposed at the bottom of the first chassis module, wherein the upper center plate is used to connect the bogie and the first chassis module.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/113165 WO2020087385A1 (en) | 2018-10-31 | 2018-10-31 | Freight train chassis and freight train |
Publications (2)
Publication Number | Publication Date |
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EP3875341A1 true EP3875341A1 (en) | 2021-09-08 |
EP3875341A4 EP3875341A4 (en) | 2022-06-15 |
Family
ID=70461989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18925721.5A Pending EP3875341A4 (en) | 2018-10-31 | 2018-10-31 | Freight train chassis and freight train |
Country Status (2)
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EP (1) | EP3875341A4 (en) |
WO (1) | WO2020087385A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU214178U1 (en) * | 2022-04-05 | 2022-10-14 | Общество С Ограниченной Ответственностью "Рейл1520 Ай Пи" (Ооо "Рейл1520 Ай Пи") | CAR-PLATFORM FRAME |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115123330A (en) * | 2021-03-24 | 2022-09-30 | 中车山东机车车辆有限公司 | Vehicle body chassis and vehicle |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6930111U (en) * | 1969-04-16 | 1972-11-23 | Rheinstahl Ag Transporttechnik | BASE FOR RAIL VEHICLES. |
US4905608A (en) * | 1989-03-14 | 1990-03-06 | Trailer Train Company | Railroad well car |
DE19515817C2 (en) * | 1995-04-29 | 1997-11-27 | Waggonfabrik Talbot Gmbh & Co | Rail vehicle undercarriage and method for its production |
CN201372992Y (en) * | 2008-12-23 | 2009-12-30 | 康佳集团股份有限公司 | Locking plug pin structure |
CN201745581U (en) * | 2010-07-20 | 2011-02-16 | 济南轨道交通装备有限责任公司 | Railway multi-purpose depressed center flat car |
CN102079313B (en) * | 2010-12-10 | 2012-06-20 | 南车二七车辆有限公司 | Vehicle combined body for railway rail laying and bridging machine |
WO2012177163A1 (en) * | 2011-06-22 | 2012-12-27 | Basilashvili Nikolay Borisovich | Rolling stock underframe |
CN202251494U (en) * | 2011-09-01 | 2012-05-30 | 上海格什特螺杆科技有限公司 | Shaft hole matching self expansion connecting structure of permanent magnet synchronous motor rotor and screw compressor rotor |
CN202541553U (en) * | 2012-03-28 | 2012-11-21 | 南车二七车辆有限公司 | Changeable heavy-duty car undercarriage |
CN102602413B (en) * | 2012-03-28 | 2014-04-16 | 南车二七车辆有限公司 | Variable underframe for oversize commodity car |
CN104149799B (en) * | 2014-08-15 | 2016-10-05 | 中车眉山车辆有限公司 | Multi-mode combination loads container unitrain |
CN205632506U (en) * | 2016-05-27 | 2016-10-12 | 中车眉山车辆有限公司 | Concave structures chassis |
DE202016104134U1 (en) * | 2016-07-27 | 2016-09-19 | Wbn Waggonbau Niesky Gmbh | Undercarriage of a rail vehicle |
DE102016113907B3 (en) * | 2016-07-27 | 2017-08-03 | Wbn Waggonbau Niesky Gmbh | Undercarriage of a rail vehicle |
-
2018
- 2018-10-31 WO PCT/CN2018/113165 patent/WO2020087385A1/en unknown
- 2018-10-31 EP EP18925721.5A patent/EP3875341A4/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU214178U1 (en) * | 2022-04-05 | 2022-10-14 | Общество С Ограниченной Ответственностью "Рейл1520 Ай Пи" (Ооо "Рейл1520 Ай Пи") | CAR-PLATFORM FRAME |
Also Published As
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EP3875341A4 (en) | 2022-06-15 |
WO2020087385A1 (en) | 2020-05-07 |
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