CN115743201A

CN115743201A - Inter-vehicle damping device for high-speed motor train unit

Info

Publication number: CN115743201A
Application number: CN202211426030.XA
Authority: CN
Inventors: 晋永荣; 陈晓丽
Original assignee: HUNAN RAILWAY PROFESSIONAL TECHNOLOGY COLLEGE
Current assignee: HUNAN RAILWAY PROFESSIONAL TECHNOLOGY COLLEGE
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-07
Anticipated expiration: 2042-11-14
Also published as: CN115743201B

Abstract

The invention discloses a device for reducing drag between high-speed motor train unit vehicles, which belongs to the technical field of drag reduction between vehicles, and comprises a first carriage and a second carriage, wherein the first carriage is adjacent to the second carriage, and a drag reduction mechanism is arranged between the first carriage and the second carriage; resistance reducing mechanism is including coupling mechanism and rimq mechanism, coupling mechanism includes the restriction pole, the screw thread, the slide bar, a spring, the body of rod, arc and catching groove, arc fixed connection is in a side of the body of rod, the catching groove is seted up in the inside one side position of arc, a terminal surface of arc is kept away from at the body of rod to slide bar fixed connection, the slide bar runs through the inside one side position at the restriction pole, the spring cup joints in the outside of slide bar, and the spring is located the inside of restriction pole, the dismouting efficiency to resistance reducing mechanism has been improved greatly, during the installation, need pass through the position connection installation of connecting plate with two adjacent rubber separation blades, connect between it through bolt and screw, can the windage when greatly reduced motor car moves, and is comparatively practical.

Description

Inter-vehicle damping device for high-speed motor train unit

Technical Field

The invention relates to the technical field of inter-vehicle drag reduction, in particular to an inter-vehicle drag reduction device for a high-speed motor train unit.

Background

When the running speed of the ordinary train is 120km/h, the air resistance of the train accounts for 40% of the total resistance, and when the running speed is 160km/h, the air resistance accounts for 70% of the total resistance. Since the train air resistance is proportional to the square of the train running speed, increasing the train running speed requires a reduction in the train air resistance. Factors influencing the air resistance of the train comprise the running speed, the shape of the head of the train body, the appearance of the train body, the structural form of the train end and the like, a gap exists between two connected carriages, and the gap between the two carriages needs to be sealed in order to ensure that the two carriages are not subjected to wind resistance reduction.

The existing drag reduction device between high-speed motor train unit vehicles is difficult to rapidly and stably disassemble and assemble the drag reduction mechanism, when rubber is used for a long time and is influenced by corrosive wear to be used, the rubber is inconvenient to replace and maintain, drag reduction is guaranteed while convenience in disassembly and assembly is difficult to guarantee, defects exist in use, and the use of the existing drag reduction device is difficult to meet.

Disclosure of Invention

The invention aims to provide a drag reduction device between high-speed motor train unit vehicles, which aims to solve the problems that in the background technology, the drag reduction mechanism is difficult to quickly and stably disassemble and assemble, when rubber is used for a long time and is influenced by corrosion and abrasion, the rubber is inconvenient to replace and maintain, and the disassembly and assembly convenience are difficult to ensure while the drag reduction is ensured.

In order to achieve the purpose, the invention provides the following technical scheme: a damping device between high-speed motor train unit vehicles comprises a first carriage and a second carriage, wherein the first carriage is adjacent to the second carriage, and a damping mechanism is arranged between the first carriage and the second carriage;

the rubber baffle is installed between two carriages through the connecting strip, then the limiting rod is inserted into a connecting hole between the carriages and the connecting strip, then the limiting rod can be rotated through the arc plate, and further the limiting rod can be connected with the carriages through threads, the arc plate is rotated together through the limiting rod until the arc plate can be attached to the radian of the carriages, the pulling force on the arc plate is cancelled, then the arc plate is moved close to the position of the limiting rod through the sliding rod under the action of the spring, and further the arc plate can be embedded into the carriages, and the arc plate is the same as the radian of the carriages and can not protrude, so that the wind resistance is reduced.

Preferably, the sliding rod is a square rod, the vertical section of the sliding rod is arranged in a T shape, and the sliding rod is not separated from the limiting rod all the time.

Preferably, the wind shielding mechanism comprises a rubber baffle, a connecting strip, a connecting plate and a screw hole.

Preferably, the number of the wind shielding mechanisms is four, the wind shielding mechanisms respectively surround the edge position between the first carriage and the second carriage, one wind shielding mechanism is provided with two connecting strips, the connecting strips are fixedly connected to the two ends of the rubber retaining sheet, and the connecting strips are connected to the inner parts of the first carriage and the second carriage in a contact embedding mode.

Preferably, the limiting rod penetrates through the inner part of the connecting strip, the limiting rod is connected with the first carriage and the second carriage through threads, and the arc-shaped plates are attached to the arc-shaped parts of four corners of the first carriage and the second carriage.

Preferably, the positions of the two sides of the rubber separation blade are both arc-shaped, the shape of the rubber separation blade is the same as that of the arc-shaped first carriage and the arc-shaped second carriage, the connecting plate is fixedly connected to the inner side positions of the two ends of the rubber separation blade, and the screw hole is formed in the connecting plate.

Preferably, the four-corner arc-shaped parts of the first carriage and the second carriage are fixedly connected with mounting plates, and the mounting plates are in bolted connection with the edge positions of the two ends of the rubber blocking sheet.

Preferably, the rubber baffles are elastic and deformable, and the four rubber baffles are closely connected.

Compared with the prior art, the invention has the beneficial effects that: the limiting rod is inserted into a connecting hole between a carriage and a connecting strip, the limiting rod can be rotated through the arc plate, the limiting rod is further connected with the carriage through threads, the arc plate is rotated together through the limiting rod to be attached to the radian of the carriage, the pulling force on the arc plate is cancelled, the arc plate is moved close to the position of the limiting rod through the sliding rod under the action of the spring, the arc plate can be embedded into the carriage, the arc plate is identical to the radian of the carriage and does not protrude, the wind resistance is reduced, when the limiting rod is required to be detached, the buckling groove is buckled to pull out the arc plate, the threaded position of the limiting rod and the carriage can be detached by rotating the arc plate, the dismounting efficiency of the resistance reducing mechanism is greatly improved, the mounting is convenient, two adjacent rubbers are required to be connected and mounted through the positions of the connecting plate, the rubbers are connected through the bolts and the screw holes, the wind resistance when the bullet train runs can be greatly reduced, the dismounting and mounting of the resistance reducing mechanism can be quickly and stably mounted, when the rubbers are used for a long time, the use, the damping mechanism is convenient to replace and maintain, the damping performance of the damping is ensured, and the damping is also convenient to dismount and mount.

Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing the connection of the connecting strip and the rubber stopper according to the present invention;

FIG. 3 is a view of the combination of the arcuate plate and the catch groove of the present invention;

FIG. 4 is a view of the rubber stopper and the connecting mechanism of the present invention;

FIG. 5 is a view showing the combination of the rubber stopper and the connecting plate according to the present invention

In the drawings, the reference numbers indicate the following list of parts:

1. a first carriage; 2. a second carriage; 3. a connecting strip; 4. a rubber baffle plate; 5. a connecting mechanism; 6. a connecting plate; 7. mounting a plate; 8. an arc-shaped plate; 9. buckling grooves; 10. a rod body; 11. a restraining bar; 12. a thread; 13. a spring; 14. a slide bar; 15. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the invention provides a technical scheme of a drag reduction device between high-speed motor train unit vehicles: the device comprises a first carriage 1 and a second carriage 2, wherein the first carriage 1 and the second carriage 2 are arranged adjacently, and a resistance reducing mechanism is arranged between the first carriage 1 and the second carriage 2;

the rubber baffle 4 is installed between two carriages through the connecting strip 3, then the limiting rod 11 is inserted into a connecting hole between the carriages and the connecting strip 3, then the limiting rod 11 can be rotated through the arc plate 8, further the limiting rod 11 is in threaded connection with the carriages through the threads 12, the arc plate 8 is rotated together through the limiting rod 11 until the arc plate can be attached to the radian of the carriages, the pulling force on the arc plate 8 is cancelled, then the arc plate 8 is moved close to the position of the limiting rod 11 through the sliding rod 14 under the action of the spring 13, further the arc plate 8 can be embedded into the carriages, the radian of the arc plate is the same as that of the carriages, the arc plate 8 cannot be protruded, the wind resistance is reduced, when the arc plate needs to be disassembled, the buckling groove 9 is buckled to pull out the arc plate 8, further the position of the thread 12 of the limiting rod 11 and the carriage can be disassembled by rotating the arc plate 8, the assembly and disassembly are convenient, the drag reduction mechanism comprises a connecting mechanism 5 and a wind shielding mechanism, the connecting mechanism 5 comprises the limiting rod 11, the thread 12, the spring 13, the rod 11 is in a square position which is connected with the limiting rod 9, one side of the limiting rod 11, the limiting rod 14, the fixed end face of the slide rod 11 is far away from the outside the slide rod 14, one side of the slide rod 14, and the limiting rod 14, one side of the limiting rod 8 is arranged inside the arc plate 14, and the slide rod 14, and the fixed arc plate 14, one side of the slide rod 11 is arranged inside the arc plate 14.

The wind shielding mechanism comprises rubber separation blades 4, connecting strips 3, connecting plates 6 and screw holes 15, the number of the wind shielding mechanisms is four, the wind shielding mechanisms respectively surround the edge positions between a carriage I1 and a carriage II 2, each wind shielding mechanism is provided with two connecting strips 3, the connecting strips 3 are fixedly connected to the two end positions of the rubber separation blades 4, the connecting strips 3 are in contact embedding connection in the carriages I1 and the carriage II 2, limiting rods 11 penetrate through the insides of the connecting strips 3, the limiting rods 11 are connected with the carriages I1 and the carriage II 2 through threads 15, and arc-shaped plates 8 are attached to the four-corner arc-shaped parts of the carriages I1 and the carriage II 2. The both sides position of rubber catch 4 all is the arc setting, and its shape is the same with the arc of carriage one 1 and carriage two 2, 6 fixed connection at the inboard position in both ends of rubber catch 4 of connecting plate, screw 12 is seted up in the inside of connecting plate 6, carriage one 1 and carriage two 2's four corners arc part fixedly connected with mounting panel 7, mounting panel 7 and the both ends border position bolted connection of rubber catch 4, rubber catch 4 elasticity and deformation, the zonulae occludens between four rubber catch 4.

One specific application of this embodiment is: the space exists between two carriages which are connected, in order to ensure that the damping is not reduced by wind, the space between the two carriages needs to be sealed, rubber blocking pieces 4 are firstly installed between the two carriages through connecting strips 3, then limiting rods 11 are inserted into connecting holes between the carriages and the connecting strips 3, then the limiting rods 11 can be rotated through arc plates 8, further the limiting rods 11 are connected with the carriages through threads 12, the arc plates 8 are rotated together through the limiting rods 11 to be attached to the radian of the carriages, the tensile force to the arc plates 8 is cancelled, then the arc plates 8 are moved close to the limiting rods 11 through sliding rods 14 under the action of springs 13, further the arc plates 8 can be embedded into the carriages, the arc plates are the same as the radian of the carriages, the arc plates cannot be protruded, the wind resistance is reduced, when the arc plates need to be disassembled, the buckling grooves 9 pull out the arc plates 8, further the positions of the threads 12 of the limiting rods 11 and the carriages can be connected through bolts 15 conveniently when the arc plates need to be disassembled and disassembled, the damping mechanism is greatly improved, the damping mechanism, when the damping mechanism needs to be disassembled and the damping mechanism is disassembled, the practical installation mechanism, the rubber blocking pieces can be conveniently connected through two screw holes 6, and the rubber blocking pieces, and the rubber blocking plates can be conveniently installed.

The product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased to be more matched and consistent with the technical scheme of the invention, the product model is an optimal application technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is well known by the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a fairing between high-speed EMUs vehicle, includes carriage one (1) and carriage two (2), its characterized in that: the first carriage (1) and the second carriage (2) are arranged adjacently, and a resistance reducing mechanism is arranged between the first carriage and the second carriage;

drag reduction mechanism is including coupling mechanism (5) and the mechanism that keeps out the wind, coupling mechanism (5) are including defining pole (11), screw thread (12), slide bar (14), spring (13), the body of rod (10), arc (8) and catching groove (9), arc (8) fixed connection is in the side of the body of rod (10), catching groove (9) are seted up in inside one side position of arc (8), slide bar (14) fixed connection is in the body of rod (10) a terminal surface of keeping away from arc (8), slide bar (14) run through in inside one side position of defining pole (11), spring (13) cup joint in the outside of slide bar (14), and spring (13) are located the inside of defining pole (11), the one end position of arc (8) is kept away from in the outside of defining pole (11) in screw thread (12) setting.

2. The inter-vehicle damping device for the high-speed motor train unit according to claim 1, characterized in that: the sliding rod (14) is a square rod, the vertical section of the sliding rod (14) is arranged in a T shape, and the sliding rod (14) is not separated from the limiting rod (11) all the time.

3. The inter-vehicle damping device for the high-speed motor train unit according to claim 1, characterized in that: the wind shielding mechanism comprises a rubber baffle (4), a connecting strip (3), a connecting plate (6) and a screw hole (15).

4. The inter-vehicle damping device for the high-speed motor train unit according to claim 3, characterized in that: the quantity of mechanism of keeping out the wind is four, and it just centers on respectively around the marginal position between carriage one (1) and carriage two (2), one the mechanism of keeping out the wind has two connecting strips (3), connecting strip (3) fixed connection is in the both ends position of rubber separation blade (4), the inside at carriage one (1) and carriage two (2) is connected in connecting strip (3) contact embedding.

5. The device of claim 4, wherein the device comprises: limiting rod (11) run through the inside at connecting strip (3), limiting rod (11) are connected with carriage one (1) and carriage two (2) through screw thread (15), four corners arc part of carriage one (1) and carriage two (2) is laminated in arc (8).

6. The inter-vehicle drag reduction device for the high-speed motor train unit according to claim 1, characterized in that: the both sides position of rubber separation blade (4) all is the arc setting, and its shape is the same with the arc of carriage one (1) and carriage two (2), connecting plate (6) fixed connection is in the inboard position in both ends of rubber separation blade (4), the inside at connecting plate (6) is seted up in screw (12).

7. The device of claim 6, wherein the device comprises: the four-corner arc-shaped part of the first carriage (1) and the second carriage (2) is fixedly connected with a mounting plate (7), and the mounting plate (7) is connected with the edge positions of the two ends of the rubber blocking piece (4) through bolts.

8. The inter-vehicle damping device for the high-speed motor train unit according to claim 1, characterized in that: the rubber blocking pieces (4) are elastic and deformable, and the four rubber blocking pieces (4) are closely connected.