CN213323089U

CN213323089U - Sound insulation damping plate for railway vehicle carriage

Info

Publication number: CN213323089U
Application number: CN202020698822.2U
Authority: CN
Inventors: 顾久林
Original assignee: Zhenjiang Yonggu Rail Coach Accessories Co ltd
Current assignee: Zhenjiang Yonggu Rail Coach Accessories Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-06-01
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a vehicle carriage technical field's a rail vehicle carriage is with shock attenuation board that gives sound insulation, including the board main part, board main part inner chamber is provided with the puigging, board main part left end face is provided with base plate one, board main part right-hand member face is provided with base plate two, just terminal surface all runs through about base plate one, base plate two and the board main part and is provided with unanimous manhole, base plate one and base plate two are opposite all evenly to be provided with damping device, damping device on the base plate one keeps away from base plate one end and all is connected with the mounting panel, the grafting is all run through to mounting panel four corners department and is provided with bolt one, damping device on the base plate two keeps away from two one ends of base plate and all is connected with the reinforcing plate.

Description

Sound insulation damping plate for railway vehicle carriage

Technical Field

The utility model relates to a vehicle carriage technical field specifically is a rail vehicle carriage is with damping plate that gives sound insulation.

Background

The rail car (including trailer, the same below) is the main transport tool for the construction departments of railway equipment maintenance, overhaul, capital construction and the like to execute tasks. The rail car is divided into a heavy type rail car and a light type rail car, and can be withdrawn from a line at any time by passengers, so that the rail car is called a light rail car; the railway car is called a heavy-duty railway car, and passengers cannot withdraw the railway at any time.

The railway vehicle inevitably generates vibration and noise in the running process, the currently used plates of the railway vehicle carriage do not have sound insulation and shock absorption capacity, so that the amplitude of vibration generated by the carriage fixing plate following the vibration of the vehicle in the use process is larger, the service life of the carriage plate is reduced, but also influences the overall stability of the carriage, the sound insulation effect of the carriage plate is poor, the normal sleep of people in the carriage is influenced, meanwhile, the noise can also influence the health of people, the existing plate material for the carriage has unstable structure and short service life, and a plurality of hidden dangers still occur after the plate material is used for a period of time, therefore, the plate needs to be designed to increase the structural rigidity, thereby bringing the passengers with a sense of security, when the damage comes, the damage caused by the damage can be reduced, so that the sound-insulating and shock-absorbing plate for the railway vehicle carriage has practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rail vehicle carriage is with shock attenuation board gives sound insulation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rail vehicle carriage is with shock attenuation board that gives sound insulation, includes the board main part, board main part inner chamber is provided with the puigging, board main part left end face is provided with base plate one, board main part right-hand member face is provided with base plate two, just terminal surface all runs through about base plate one, base plate two and the board main part and is provided with unanimous manhole, base plate one and base plate two are all evenly provided with damping device face to face, damping device on the base plate one keeps away from base plate one end and all is connected with the mounting panel, the mounting panel four corners department all runs through to peg graft and is provided with bolt one, damping device on the base plate two keeps away from.

Preferably, damping device includes female pole, female pole inner chamber cup joints the one end that is provided with sub-pole, the sub-pole other end extends female pole inner chamber, just the sub-pole other end is connected with connecting plate two, sub-pole periphery cup joints and is provided with the spring, female pole is kept away from spring one end and is provided with connecting plate one, connecting plate one and two four corners departments of connecting plate all run through the grafting and are provided with bolt two.

Preferably, the female rod and the male rod are both cylindrical structures, and the outer diameter of the spring is larger than the inner diameter of the female rod.

Preferably, the female rod and the male rod are made of stainless steel.

Preferably, rock and mineral wool is uniformly filled in the inner cavity of the sound insulation layer.

Preferably, reinforce board inner chamber left side and be provided with aluminum plate two, two right sides glues of aluminum plate are provided with soft polyurethane layer, soft polyurethane layer right side glues and is provided with aluminum plate one, just aluminum plate two and aluminum plate one all through screw and reinforced board swing joint.

Compared with the prior art, the beneficial effects of the utility model are that: when noise occurs, the noise enters the interior of the plate main body through the inlet hole, and then the noise insulation layer is used for carrying out isolated noise reduction treatment on the noise, a large number of tiny communicated holes are formed in a soundproof cotton material filled in the sound insulation layer, sound waves can penetrate into the interior of the material along the holes, and the sound waves and the material generate friction action to convert sound energy into heat energy, so that the noise reduction treatment on the noise is realized;

the boron nitride fire-resistant coating is brushed on the outer walls of the plate main body, the reinforced plate and the mounting plate, so that the fire-resistant treatment of the plate main body, the reinforced plate and the mounting plate is realized, and the plate has the advantages of low friction coefficient, good high-temperature stability, good heat and shock resistance, high strength, high heat conductivity coefficient, low expansion coefficient, high resistivity, corrosion resistance, microwave permeability or infrared ray permeability;

the damping device between the first base plate and the mounting plate and the damping device between the second base plate and the reinforcing plate are used for damping vibration, so that the vibration influence of the carriage on the plates is reduced;

the shock generated by the carriage is transmitted to the mounting plate through the carriage, then transmitted to the female rod through the mounting plate, and transmitted to the spring through the female rod so as to realize shock absorption treatment on the shock, the spring is sleeved on the periphery of the sub-rod without independently adopting the spring for shock absorption, so that the problem that the spring is independently arranged to enable the spring to generate resonance with the carriage shock to influence the overall shock absorption stability is avoided, and meanwhile, the shock absorption effect cannot be achieved;

the vibration is primarily damped through the damping device between the first base plate and the mounting plate, secondary damping processing is realized when the vibration is transmitted to the damping device between the second base plate and the reinforcing plate, the vibration is transmitted to the second base plate through the plate main body in the same way, then the vibration is transmitted to the second connecting plate through the second base plate, and finally the vibration is transmitted to the spring through the second connecting plate to be damped;

when the surface of the reinforcing plate is impacted by external impact, external acting force is transmitted to the female rod through the reinforcing plate, and then the female rod transmits the acting force to the spring, so that the external acting force is damped and buffered, and the carriage plate is protected;

the device increases the hardness to the reinforcing plate through the inside aluminum plate one and the inside aluminum plate two of reinforcing plate, and the density of aluminium is very little, is only 2.7g/cm³Although it is relatively soft, it can be made into various aluminium alloys, such as duralumin, ultraduralumin, rustproof aluminium, cast aluminium, etc. These aluminum alloys are widely used in the manufacturing industries of airplanes, automobiles, trains, ships, and the like. In addition, the space rocket, the space shuttle and the artificial satellite also use a large amount of aluminum and aluminum alloy thereof, and the capacity of resisting external impact of the reinforced plate is ensured through the first aluminum plate and the second aluminum plate, so that the reinforced plate is not easy to damage, and the service life is prolonged.

Drawings

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

FIG. 2 is a schematic view of the structure of the damping device of the present invention;

fig. 3 is a schematic diagram of the structure of the reinforced plate of the present invention.

In the figure: 1. a plate main body; 2. a sound insulating layer; 3. an access hole; 4. a first substrate; 5. a second substrate; 6. a damping device; 61. a female rod; 62. a sub-rod; 63. a spring; 64. a first connecting plate; 65. a second connecting plate; 66. A second bolt; 7. a reinforcing plate; 8. mounting a plate; 9. a first bolt; 10. a first aluminum plate; 11. a second aluminum plate; 12. A soft polyurethane layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a sound insulation and shock absorption plate for a railway vehicle carriage comprises a plate main body 1, wherein a sound insulation layer 2 is arranged in an inner cavity of the plate main body 1, a first base plate 4 is arranged on the left end face of the plate main body 1, a second base plate 5 is arranged on the right end face of the plate main body 1, a consistent inlet hole 3 is formed in the first base plate 4, the second base plate 5 and the left and right end faces of the plate main body 1 in a penetrating mode, when noise occurs, the noise enters the plate main body 1 through the inlet hole 3, then the noise insulation and noise reduction treatment is carried out on the noise through the sound insulation layer 2, shock absorption devices 6 are uniformly arranged on the opposite faces of the first base plate 4 and the second base plate 5, shock absorption treatment is carried out on the shock through the shock absorption devices 6 between the first base plate 4 and a mounting plate 8 and between the second base plate 5 and a reinforcing plate 7, the influence of the carriage on the, when vibration is transmitted to the damping device 6 between the second substrate 5 and the reinforcing plate 7, secondary damping processing is achieved, one end, far away from the first substrate 4, of the damping device 6 on the first substrate 4 is connected with the mounting plate 8, the four corners of the mounting plate 8 are provided with the first bolts 9 in a penetrating and inserting mode, and one end, far away from the second substrate 5, of the damping device 6 on the second substrate 5 is connected with the reinforcing plate 7.

Referring to fig. 1 and 2, the damping device 6 includes a female rod 61, one end of a secondary rod 62 is sleeved in an inner cavity of the female rod 61, the other end of the secondary rod 62 extends out of the inner cavity of the female rod 61, a connecting plate two 65 is connected to the other end of the secondary rod 62, a spring 63 is sleeved on the outer periphery of the secondary rod 62, a connecting plate one 64 is arranged at one end of the female rod 61, which is far away from the spring 63, a bolt two 66 is inserted in four corners of the connecting plate one 64 and the connecting plate two 65, vibration generated by the carriage is transmitted to the mounting plate 8 through the carriage, then transmitted to the female rod 61 through the mounting plate 8, and then transmitted to the spring 63 by the female rod 61, so as to realize damping treatment of the vibration, the spring 63 is sleeved on the outer periphery of the secondary rod 62 without independently adopting the spring 63 for damping, so as to avoid resonance generated between the spring 63 and the carriage vibration, when the surface of the reinforced plate 7 is subjected to external impact, external acting force is transmitted to the female rod 61 through the reinforced plate 7, then the female rod 61 transmits the acting force to the spring 63, so that damping and buffering processing on the external acting force is realized, the protection on the body of the carriage is realized, when vibration is transmitted to the damping device 6 between the second substrate 5 and the reinforced plate 7, secondary damping processing is realized, the plate body 1 transmits the vibration to the second substrate 5 in the same way, the second substrate 5 transmits the vibration to the second connecting plate 65, and finally the second connecting plate 65 transmits the vibration to the spring 63 for damping processing.

Referring to fig. 2, the female rod 61 and the male rod 62 are both cylindrical, and the outer diameter of the spring 63 is larger than the inner diameter of the female rod 61, so as to prevent the spring 63 from entering the female rod 61, thereby affecting the damping effect.

Referring to fig. 2, the female rod 61 and the male rod 62 are made of stainless steel.

Referring to fig. 1, rock wool is uniformly filled in the inner cavity of the sound insulation layer 2, a large number of micro communicated pores are formed in the rock wool filled in the sound insulation layer 2, sound waves can penetrate into the material along the pores, and the sound waves and the material generate friction to convert sound energy into heat energy, so that noise reduction treatment on noise is realized.

Referring to fig. 1, the left side of the inner cavity of the reinforced plate 7 is provided with a second aluminum plate 11, the right side of the second aluminum plate 11 is adhered with a soft polyurethane layer 12, the right side of the soft polyurethane layer 12 is adhered with a first aluminum plate 10, the second aluminum plate 11 and the first aluminum plate 10 are movably connected with the reinforced plate 7 through screws, the device can increase the rigidity of the reinforced plate 7 through the first aluminum plate 10 and the second aluminum plate 11 inside the reinforced plate 7, the density of aluminum is very low and is only 2.7g/cm³Although it is relatively soft, it can be made into various aluminium alloys, such as duralumin, ultraduralumin, rustproof aluminium, cast aluminium, etc. These aluminum alloys are widely used in the manufacturing industries of airplanes, automobiles, trains, ships, and the like. In addition, space rockets, space shuttles, and satellites also use large amounts of aluminum and aluminum alloys thereof byThe first aluminum plate 10 and the second aluminum plate 11 ensure the capability of the reinforced plate 7 to resist external impact, so that the reinforced plate 7 is not easy to damage and the service life is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rail vehicle carriage is with shock attenuation board that gives sound insulation, includes board main part (1), its characterized in that: the utility model discloses a damping device, including board main part (1), base plate (4), damping device (6), mounting panel (8), board main part (1) inner chamber is provided with puigging (2), board main part (1) left end face is provided with base plate (4), just the terminal surface all runs through about base plate (4), base plate (5) and board main part (1) and is provided with unanimous manhole (3), base plate (4) and base plate (5) opposite face all evenly are provided with damping device (6), damping device (6) on base plate (4) are kept away from base plate (4) one end and all are connected with mounting panel (8), mounting panel (8) four corners department all runs through the grafting and is provided with bolt (9), damping device (6) on base plate (5) are kept away from base plate (5) one end and all are connected with.

2. The sound-insulating and shock-absorbing panel for a railway vehicle car as claimed in claim 1, wherein: damping device (6) are including female pole (61), female pole (61) inner chamber cup joints the one end that is provided with sub-pole (62), sub-pole (62) other end extends female pole (61) inner chamber, just sub-pole (62) other end is connected with connecting plate two (65), sub-pole (62) periphery cup joints and is provided with spring (63), female pole (61) are kept away from spring (63) one end and are provided with connecting plate one (64), connecting plate one (64) and connecting plate two (65) four corners department all run through to peg graft and are provided with bolt two (66).

3. The sound-insulating and shock-absorbing panel for a railway vehicle car as claimed in claim 2, wherein: the female rod (61) and the sub-rod (62) are both of cylindrical structures, and the outer diameter of the spring (63) is larger than the inner diameter of the female rod (61).

4. The sound-insulating and shock-absorbing panel for a railway vehicle car as claimed in claim 2, wherein: the female rod (61) and the sub-rod (62) are made of stainless steel.

5. The sound-insulating and shock-absorbing panel for a railway vehicle car as claimed in claim 1, wherein: rock mineral wool is uniformly filled in the inner cavity of the sound insulation layer (2).

6. The sound-insulating and shock-absorbing panel for a railway vehicle car as claimed in claim 1, wherein: reinforce board (7) inner chamber left side and be provided with two (11) of aluminum plate, two (11) right sides glues of aluminum plate are provided with soft polyurethane layer (12), soft polyurethane layer (12) right side glues and is provided with one (10) of aluminum plate, just two (11) of aluminum plate and one (10) of aluminum plate all through screw and reinforce board (7) swing joint.